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-rw-r--r--drivers/net/ethernet/8390/Kconfig2
-rw-r--r--drivers/net/ethernet/8390/ax88796.c5
-rw-r--r--drivers/net/ethernet/8390/etherh.c5
-rw-r--r--drivers/net/ethernet/Kconfig1
-rw-r--r--drivers/net/ethernet/Makefile1
-rw-r--r--drivers/net/ethernet/aeroflex/greth.c6
-rw-r--r--drivers/net/ethernet/alacritech/slicoss.c11
-rw-r--r--drivers/net/ethernet/allwinner/sun4i-emac.c5
-rw-r--r--drivers/net/ethernet/alteon/acenic.c6
-rw-r--r--drivers/net/ethernet/altera/altera_msgdma.c13
-rw-r--r--drivers/net/ethernet/altera/altera_msgdma.h13
-rw-r--r--drivers/net/ethernet/altera/altera_msgdmahw.h13
-rw-r--r--drivers/net/ethernet/altera/altera_sgdma.c13
-rw-r--r--drivers/net/ethernet/altera/altera_sgdma.h13
-rw-r--r--drivers/net/ethernet/altera/altera_sgdmahw.h13
-rw-r--r--drivers/net/ethernet/altera/altera_tse.h13
-rw-r--r--drivers/net/ethernet/altera/altera_tse_ethtool.c13
-rw-r--r--drivers/net/ethernet/altera/altera_tse_main.c13
-rw-r--r--drivers/net/ethernet/altera/altera_utils.c13
-rw-r--r--drivers/net/ethernet/altera/altera_utils.h13
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_admin_defs.h61
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_com.c145
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_com.h19
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_eth_com.c54
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_eth_com.h73
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_ethtool.c35
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_netdev.c389
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_netdev.h42
-rw-r--r--drivers/net/ethernet/amd/am79c961a.c5
-rw-r--r--drivers/net/ethernet/amd/am79c961a.h5
-rw-r--r--drivers/net/ethernet/amd/au1000_eth.c19
-rw-r--r--drivers/net/ethernet/amd/au1000_eth.h19
-rw-r--r--drivers/net/ethernet/apple/bmac.h6
-rw-r--r--drivers/net/ethernet/apple/mace.h6
-rw-r--r--drivers/net/ethernet/apple/macmace.c6
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/Makefile16
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_cfg.h12
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_common.h5
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.c2
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.h2
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c5
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_ethtool.h5
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_filters.c12
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_filters.h2
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_hw.h5
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.c5
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.h5
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_main.c39
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_main.h5
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_nic.c34
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_nic.h8
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c5
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_pci_func.h5
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_ring.c60
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_ring.h14
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_rss.h5
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_utils.h5
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_vec.c5
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_vec.h5
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c7
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.h5
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0_internal.h5
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c150
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h5
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0_internal.h12
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c21
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h10
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h23
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c19
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h5
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c9
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/ver.h10
-rw-r--r--drivers/net/ethernet/arc/emac_arc.c11
-rw-r--r--drivers/net/ethernet/arc/emac_main.c5
-rw-r--r--drivers/net/ethernet/arc/emac_rockchip.c11
-rw-r--r--drivers/net/ethernet/atheros/Kconfig10
-rw-r--r--drivers/net/ethernet/atheros/Makefile1
-rw-r--r--drivers/net/ethernet/atheros/ag71xx.c1901
-rw-r--r--drivers/net/ethernet/atheros/atl1c/atl1c.h15
-rw-r--r--drivers/net/ethernet/atheros/atl1c/atl1c_ethtool.c16
-rw-r--r--drivers/net/ethernet/atheros/atl1c/atl1c_hw.c15
-rw-r--r--drivers/net/ethernet/atheros/atl1c/atl1c_hw.h15
-rw-r--r--drivers/net/ethernet/atheros/atl1c/atl1c_main.c17
-rw-r--r--drivers/net/ethernet/atheros/atl1e/atl1e.h15
-rw-r--r--drivers/net/ethernet/atheros/atl1e/atl1e_ethtool.c16
-rw-r--r--drivers/net/ethernet/atheros/atl1e/atl1e_hw.c15
-rw-r--r--drivers/net/ethernet/atheros/atl1e/atl1e_hw.h15
-rw-r--r--drivers/net/ethernet/atheros/atl1e/atl1e_main.c15
-rw-r--r--drivers/net/ethernet/atheros/atl1e/atl1e_param.c15
-rw-r--r--drivers/net/ethernet/atheros/atlx/atl1.c2
-rw-r--r--drivers/net/ethernet/atheros/atlx/atl1.h15
-rw-r--r--drivers/net/ethernet/atheros/atlx/atl2.c16
-rw-r--r--drivers/net/ethernet/atheros/atlx/atl2.h15
-rw-r--r--drivers/net/ethernet/atheros/atlx/atlx.c15
-rw-r--r--drivers/net/ethernet/atheros/atlx/atlx.h15
-rw-r--r--drivers/net/ethernet/aurora/nb8800.c12
-rw-r--r--drivers/net/ethernet/broadcom/Kconfig2
-rw-r--r--drivers/net/ethernet/broadcom/bcm63xx_enet.c1
-rw-r--r--drivers/net/ethernet/broadcom/bcmsysport.c25
-rw-r--r--drivers/net/ethernet/broadcom/bcmsysport.h9
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c10
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c7
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h1
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c33
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.h3
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c164
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.h27
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c2
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_debugfs.c6
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_dim.c9
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c10
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c18
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_tc.h4
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c6
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c29
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c144
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.h7
-rw-r--r--drivers/net/ethernet/broadcom/genet/bcmgenet.c80
-rw-r--r--drivers/net/ethernet/broadcom/genet/bcmgenet.h9
-rw-r--r--drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c5
-rw-r--r--drivers/net/ethernet/broadcom/genet/bcmmii.c5
-rw-r--r--drivers/net/ethernet/broadcom/tg3.c2
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_cee.c10
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_cee.h10
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_cs.h10
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_defs.h10
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_defs_cna.h10
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_defs_mfg_comm.h10
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_defs_status.h10
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_ioc.c10
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_ioc.h10
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c10
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_msgq.c10
-rw-r--r--drivers/net/ethernet/brocade/bna/bfa_msgq.h10
-rw-r--r--drivers/net/ethernet/brocade/bna/bfi.h10
-rw-r--r--drivers/net/ethernet/brocade/bna/bfi_cna.h10
-rw-r--r--drivers/net/ethernet/brocade/bna/bfi_enet.h10
-rw-r--r--drivers/net/ethernet/brocade/bna/bfi_reg.h10
-rw-r--r--drivers/net/ethernet/brocade/bna/bna.h10
-rw-r--r--drivers/net/ethernet/brocade/bna/bna_enet.c10
-rw-r--r--drivers/net/ethernet/brocade/bna/bna_hw_defs.h10
-rw-r--r--drivers/net/ethernet/brocade/bna/bna_tx_rx.c10
-rw-r--r--drivers/net/ethernet/brocade/bna/bna_types.h10
-rw-r--r--drivers/net/ethernet/brocade/bna/bnad.c10
-rw-r--r--drivers/net/ethernet/brocade/bna/bnad.h10
-rw-r--r--drivers/net/ethernet/brocade/bna/bnad_debugfs.c10
-rw-r--r--drivers/net/ethernet/brocade/bna/bnad_ethtool.c10
-rw-r--r--drivers/net/ethernet/brocade/bna/cna.h10
-rw-r--r--drivers/net/ethernet/brocade/bna/cna_fwimg.c10
-rw-r--r--drivers/net/ethernet/cadence/Kconfig10
-rw-r--r--drivers/net/ethernet/cadence/macb.h24
-rw-r--r--drivers/net/ethernet/cadence/macb_main.c261
-rw-r--r--drivers/net/ethernet/cadence/macb_pci.c13
-rw-r--r--drivers/net/ethernet/cadence/macb_ptp.c20
-rw-r--r--drivers/net/ethernet/calxeda/xgmac.c17
-rw-r--r--drivers/net/ethernet/cavium/liquidio/lio_core.c2
-rw-r--r--drivers/net/ethernet/cavium/liquidio/request_manager.c6
-rw-r--r--drivers/net/ethernet/cavium/thunder/nic.h5
-rw-r--r--drivers/net/ethernet/cavium/thunder/nic_main.c5
-rw-r--r--drivers/net/ethernet/cavium/thunder/nic_reg.h5
-rw-r--r--drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c5
-rw-r--r--drivers/net/ethernet/cavium/thunder/nicvf_main.c5
-rw-r--r--drivers/net/ethernet/cavium/thunder/nicvf_queues.c5
-rw-r--r--drivers/net/ethernet/cavium/thunder/nicvf_queues.h5
-rw-r--r--drivers/net/ethernet/cavium/thunder/q_struct.h5
-rw-r--r--drivers/net/ethernet/cavium/thunder/thunder_bgx.c5
-rw-r--r--drivers/net/ethernet/cavium/thunder/thunder_bgx.h5
-rw-r--r--drivers/net/ethernet/cavium/thunder/thunder_xcv.c5
-rw-r--r--drivers/net/ethernet/chelsio/cxgb/my3126.c4
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/Makefile2
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cudbg_common.c14
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h14
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h14
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c33
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h14
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cudbg_lib_common.h14
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.c14
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h14
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4.h62
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c14
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.h14
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c14
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.h14
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c14
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c49
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.h2
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c246
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c241
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c30
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.h6
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c13
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c21
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h2
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/sched.c1
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_hw.c99
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_regs.h4
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h28
-rw-r--r--drivers/net/ethernet/chelsio/libcxgb/libcxgb_ppm.c47
-rw-r--r--drivers/net/ethernet/chelsio/libcxgb/libcxgb_ppm.h7
-rw-r--r--drivers/net/ethernet/cirrus/ep93xx_eth.c6
-rw-r--r--drivers/net/ethernet/davicom/dm9000.c11
-rw-r--r--drivers/net/ethernet/dec/tulip/de4x5.c1
-rw-r--r--drivers/net/ethernet/dec/tulip/dmfe.c10
-rw-r--r--drivers/net/ethernet/dec/tulip/uli526x.c10
-rw-r--r--drivers/net/ethernet/dlink/dl2k.c5
-rw-r--r--drivers/net/ethernet/dlink/dl2k.h5
-rw-r--r--drivers/net/ethernet/dnet.c5
-rw-r--r--drivers/net/ethernet/dnet.h5
-rw-r--r--drivers/net/ethernet/ec_bhf.c11
-rw-r--r--drivers/net/ethernet/emulex/benet/be.h6
-rw-r--r--drivers/net/ethernet/emulex/benet/be_cmds.c6
-rw-r--r--drivers/net/ethernet/emulex/benet/be_cmds.h6
-rw-r--r--drivers/net/ethernet/emulex/benet/be_ethtool.c36
-rw-r--r--drivers/net/ethernet/emulex/benet/be_hw.h6
-rw-r--r--drivers/net/ethernet/emulex/benet/be_main.c17
-rw-r--r--drivers/net/ethernet/emulex/benet/be_roce.c6
-rw-r--r--drivers/net/ethernet/emulex/benet/be_roce.h6
-rw-r--r--drivers/net/ethernet/ethoc.c5
-rw-r--r--drivers/net/ethernet/ezchip/nps_enet.c13
-rw-r--r--drivers/net/ethernet/ezchip/nps_enet.h13
-rw-r--r--drivers/net/ethernet/faraday/ftgmac100.c2
-rw-r--r--drivers/net/ethernet/freescale/dpaa/dpaa_eth.c9
-rw-r--r--drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c4
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/Kconfig3
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c151
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h11
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c3
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.c242
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dprtc-cmd.h48
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dprtc.c191
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dprtc.h62
-rw-r--r--drivers/net/ethernet/freescale/enetc/Kconfig10
-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc.c216
-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc.h18
-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc_ethtool.c31
-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc_hw.h25
-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc_pf.c2
-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc_ptp.c5
-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc_vf.c2
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c20
-rw-r--r--drivers/net/ethernet/freescale/fec_ptp.c2
-rw-r--r--drivers/net/ethernet/freescale/fman/fman_keygen.c3
-rw-r--r--drivers/net/ethernet/freescale/fsl_pq_mdio.c7
-rw-r--r--drivers/net/ethernet/freescale/gianfar.c6
-rw-r--r--drivers/net/ethernet/freescale/gianfar.h6
-rw-r--r--drivers/net/ethernet/freescale/gianfar_ethtool.c5
-rw-r--r--drivers/net/ethernet/freescale/ucc_geth.c6
-rw-r--r--drivers/net/ethernet/freescale/ucc_geth.h6
-rw-r--r--drivers/net/ethernet/freescale/ucc_geth_ethtool.c6
-rw-r--r--drivers/net/ethernet/google/Kconfig27
-rw-r--r--drivers/net/ethernet/google/Makefile5
-rw-r--r--drivers/net/ethernet/google/gve/Makefile4
-rw-r--r--drivers/net/ethernet/google/gve/gve.h459
-rw-r--r--drivers/net/ethernet/google/gve/gve_adminq.c387
-rw-r--r--drivers/net/ethernet/google/gve/gve_adminq.h217
-rw-r--r--drivers/net/ethernet/google/gve/gve_desc.h113
-rw-r--r--drivers/net/ethernet/google/gve/gve_ethtool.c245
-rw-r--r--drivers/net/ethernet/google/gve/gve_main.c1231
-rw-r--r--drivers/net/ethernet/google/gve/gve_register.h27
-rw-r--r--drivers/net/ethernet/google/gve/gve_rx.c446
-rw-r--r--drivers/net/ethernet/google/gve/gve_tx.c584
-rw-r--r--drivers/net/ethernet/hisilicon/Kconfig10
-rw-r--r--drivers/net/ethernet/hisilicon/hip04_eth.c151
-rw-r--r--drivers/net/ethernet/hisilicon/hisi_femac.c7
-rw-r--r--drivers/net/ethernet/hisilicon/hix5hd2_gmac.c13
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hnae.c6
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hnae.h6
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c6
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c6
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-rw-r--r--drivers/net/ethernet/sfc/falcon/mtd.c5
-rw-r--r--drivers/net/ethernet/sfc/falcon/net_driver.h5
-rw-r--r--drivers/net/ethernet/sfc/falcon/nic.c5
-rw-r--r--drivers/net/ethernet/sfc/falcon/nic.h5
-rw-r--r--drivers/net/ethernet/sfc/falcon/phy.h5
-rw-r--r--drivers/net/ethernet/sfc/falcon/qt202x_phy.c5
-rw-r--r--drivers/net/ethernet/sfc/falcon/rx.c5
-rw-r--r--drivers/net/ethernet/sfc/falcon/selftest.c5
-rw-r--r--drivers/net/ethernet/sfc/falcon/selftest.h5
-rw-r--r--drivers/net/ethernet/sfc/falcon/tenxpress.c5
-rw-r--r--drivers/net/ethernet/sfc/falcon/tx.c5
-rw-r--r--drivers/net/ethernet/sfc/falcon/tx.h5
-rw-r--r--drivers/net/ethernet/sfc/falcon/txc43128_phy.c5
-rw-r--r--drivers/net/ethernet/sfc/falcon/workarounds.h5
-rw-r--r--drivers/net/ethernet/sfc/farch.c5
-rw-r--r--drivers/net/ethernet/sfc/farch_regs.h5
-rw-r--r--drivers/net/ethernet/sfc/filter.h5
-rw-r--r--drivers/net/ethernet/sfc/io.h5
-rw-r--r--drivers/net/ethernet/sfc/mcdi.c5
-rw-r--r--drivers/net/ethernet/sfc/mcdi.h5
-rw-r--r--drivers/net/ethernet/sfc/mcdi_mon.c5
-rw-r--r--drivers/net/ethernet/sfc/mcdi_pcol.h5
-rw-r--r--drivers/net/ethernet/sfc/mcdi_port.c5
-rw-r--r--drivers/net/ethernet/sfc/mtd.c5
-rw-r--r--drivers/net/ethernet/sfc/net_driver.h5
-rw-r--r--drivers/net/ethernet/sfc/nic.c5
-rw-r--r--drivers/net/ethernet/sfc/nic.h5
-rw-r--r--drivers/net/ethernet/sfc/ptp.c5
-rw-r--r--drivers/net/ethernet/sfc/rx.c5
-rw-r--r--drivers/net/ethernet/sfc/selftest.c5
-rw-r--r--drivers/net/ethernet/sfc/selftest.h5
-rw-r--r--drivers/net/ethernet/sfc/siena.c5
-rw-r--r--drivers/net/ethernet/sfc/siena_sriov.c5
-rw-r--r--drivers/net/ethernet/sfc/siena_sriov.h5
-rw-r--r--drivers/net/ethernet/sfc/sriov.c5
-rw-r--r--drivers/net/ethernet/sfc/sriov.h5
-rw-r--r--drivers/net/ethernet/sfc/tx.c5
-rw-r--r--drivers/net/ethernet/sfc/tx.h5
-rw-r--r--drivers/net/ethernet/sfc/tx_tso.c5
-rw-r--r--drivers/net/ethernet/sfc/vfdi.h5
-rw-r--r--drivers/net/ethernet/sfc/workarounds.h5
-rw-r--r--drivers/net/ethernet/sgi/meth.c6
-rw-r--r--drivers/net/ethernet/sis/sis900.c34
-rw-r--r--drivers/net/ethernet/smsc/Kconfig6
-rw-r--r--drivers/net/ethernet/socionext/Kconfig1
-rw-r--r--drivers/net/ethernet/socionext/netsec.c577
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/Kconfig16
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/Makefile2
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.c13
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.h13
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/chain_mode.c12
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/common.h32
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/descs.h14
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/descs_com.h12
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c14
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c10
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c8
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c8
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c8
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c11
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c131
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c6
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c3
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c57
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c11
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac100.h12
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac1000.h13
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c34
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c20
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c25
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c20
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac4.h12
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c91
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c18
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.h5
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c14
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.h6
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c9
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h12
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c12
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h20
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c29
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c4
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c41
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/enh_desc.c12
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/hwif.c9
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/hwif.h25
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/mmc.h16
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/mmc_core.c25
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/norm_desc.c12
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/ring_mode.c12
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac.h53
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c108
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c14
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c857
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c115
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c13
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_pcs.h6
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c43
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h12
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c12
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h12
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c850
-rw-r--r--drivers/net/ethernet/sun/niu.c2
-rw-r--r--drivers/net/ethernet/tehuti/tehuti.c6
-rw-r--r--drivers/net/ethernet/tehuti/tehuti.h6
-rw-r--r--drivers/net/ethernet/ti/Kconfig2
-rw-r--r--drivers/net/ethernet/ti/cpsw-phy-sel.c4
-rw-r--r--drivers/net/ethernet/ti/cpsw.c587
-rw-r--r--drivers/net/ethernet/ti/cpsw_ethtool.c99
-rw-r--r--drivers/net/ethernet/ti/cpsw_priv.h8
-rw-r--r--drivers/net/ethernet/ti/cpts.c88
-rw-r--r--drivers/net/ethernet/ti/cpts.h2
-rw-r--r--drivers/net/ethernet/ti/davinci_cpdma.c187
-rw-r--r--drivers/net/ethernet/ti/davinci_cpdma.h9
-rw-r--r--drivers/net/ethernet/ti/davinci_emac.c6
-rw-r--r--drivers/net/ethernet/ti/netcp_ethss.c9
-rw-r--r--drivers/net/ethernet/ti/tlan.c1
-rw-r--r--drivers/net/ethernet/toshiba/ps3_gelic_net.c15
-rw-r--r--drivers/net/ethernet/toshiba/ps3_gelic_net.h17
-rw-r--r--drivers/net/ethernet/toshiba/ps3_gelic_wireless.c14
-rw-r--r--drivers/net/ethernet/toshiba/ps3_gelic_wireless.h14
-rw-r--r--drivers/net/ethernet/toshiba/spider_net.c15
-rw-r--r--drivers/net/ethernet/toshiba/spider_net.h15
-rw-r--r--drivers/net/ethernet/toshiba/spider_net_ethtool.c15
-rw-r--r--drivers/net/ethernet/toshiba/tc35815.c4
-rw-r--r--drivers/net/ethernet/tundra/tsi108_eth.c14
-rw-r--r--drivers/net/ethernet/via/via-velocity.h2
-rw-r--r--drivers/net/ethernet/wiznet/w5100-spi.c27
-rw-r--r--drivers/net/ethernet/wiznet/w5100.c3
-rw-r--r--drivers/net/ethernet/wiznet/w5100.h3
-rw-r--r--drivers/net/ethernet/wiznet/w5300.c3
-rw-r--r--drivers/net/ethernet/xilinx/Kconfig6
-rw-r--r--drivers/net/ethernet/xilinx/ll_temac.h5
-rw-r--r--drivers/net/ethernet/xilinx/ll_temac_main.c258
-rw-r--r--drivers/net/ethernet/xilinx/ll_temac_mdio.c20
-rw-r--r--drivers/net/ethernet/xilinx/xilinx_axienet.h35
-rw-r--r--drivers/net/ethernet/xilinx/xilinx_axienet_main.c678
-rw-r--r--drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c111
-rw-r--r--drivers/net/ethernet/xilinx/xilinx_emaclite.c6
-rw-r--r--drivers/net/ethernet/xscale/ixp4xx_eth.c6
919 files changed, 43543 insertions, 15075 deletions
diff --git a/drivers/net/ethernet/8390/Kconfig b/drivers/net/ethernet/8390/Kconfig
index bb09319feedf..2a3e2450968e 100644
--- a/drivers/net/ethernet/8390/Kconfig
+++ b/drivers/net/ethernet/8390/Kconfig
@@ -50,7 +50,7 @@ config XSURF100
tristate "Amiga XSurf 100 AX88796/NE2000 clone support"
depends on ZORRO
select AX88796
- select ASIX_PHY
+ select AX88796B_PHY
help
This driver is for the Individual Computers X-Surf 100 Ethernet
card (based on the Asix AX88796 chip). If you have such a card,
diff --git a/drivers/net/ethernet/8390/ax88796.c b/drivers/net/ethernet/8390/ax88796.c
index 3dcc61821ed5..172947fc051a 100644
--- a/drivers/net/ethernet/8390/ax88796.c
+++ b/drivers/net/ethernet/8390/ax88796.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* drivers/net/ethernet/8390/ax88796.c
*
* Copyright 2005,2007 Simtec Electronics
@@ -5,10 +6,6 @@
*
* Asix AX88796 10/100 Ethernet controller support
* Based on ne.c, by Donald Becker, et-al.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/module.h>
diff --git a/drivers/net/ethernet/8390/etherh.c b/drivers/net/ethernet/8390/etherh.c
index 77191a281866..bd22a534b1c0 100644
--- a/drivers/net/ethernet/8390/etherh.c
+++ b/drivers/net/ethernet/8390/etherh.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/drivers/acorn/net/etherh.c
*
* Copyright (C) 2000-2002 Russell King
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
* NS8390 I-cubed EtherH and ANT EtherM specific driver
* Thanks to I-Cubed for information on their cards.
* EtherM conversion (C) 1999 Chris Kemp and Tim Watterton
diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig
index fe115b7caba0..93a2d4deb27c 100644
--- a/drivers/net/ethernet/Kconfig
+++ b/drivers/net/ethernet/Kconfig
@@ -76,6 +76,7 @@ source "drivers/net/ethernet/ezchip/Kconfig"
source "drivers/net/ethernet/faraday/Kconfig"
source "drivers/net/ethernet/freescale/Kconfig"
source "drivers/net/ethernet/fujitsu/Kconfig"
+source "drivers/net/ethernet/google/Kconfig"
source "drivers/net/ethernet/hisilicon/Kconfig"
source "drivers/net/ethernet/hp/Kconfig"
source "drivers/net/ethernet/huawei/Kconfig"
diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile
index 7b5bf9682066..fb9155cffcff 100644
--- a/drivers/net/ethernet/Makefile
+++ b/drivers/net/ethernet/Makefile
@@ -39,6 +39,7 @@ obj-$(CONFIG_NET_VENDOR_EZCHIP) += ezchip/
obj-$(CONFIG_NET_VENDOR_FARADAY) += faraday/
obj-$(CONFIG_NET_VENDOR_FREESCALE) += freescale/
obj-$(CONFIG_NET_VENDOR_FUJITSU) += fujitsu/
+obj-$(CONFIG_NET_VENDOR_GOOGLE) += google/
obj-$(CONFIG_NET_VENDOR_HISILICON) += hisilicon/
obj-$(CONFIG_NET_VENDOR_HP) += hp/
obj-$(CONFIG_NET_VENDOR_HUAWEI) += huawei/
diff --git a/drivers/net/ethernet/aeroflex/greth.c b/drivers/net/ethernet/aeroflex/greth.c
index 90080a886cd9..010a2f48aea5 100644
--- a/drivers/net/ethernet/aeroflex/greth.c
+++ b/drivers/net/ethernet/aeroflex/greth.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Aeroflex Gaisler GRETH 10/100/1G Ethernet MAC.
*
@@ -12,11 +13,6 @@
* The Gigabit version supports scatter/gather DMA, any alignment of
* buffers and checksum offloading.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
* Contributors: Kristoffer Glembo
* Daniel Hellstrom
* Marko Isomaki
diff --git a/drivers/net/ethernet/alacritech/slicoss.c b/drivers/net/ethernet/alacritech/slicoss.c
index 4f7e792e50e9..80ef3e15bd22 100644
--- a/drivers/net/ethernet/alacritech/slicoss.c
+++ b/drivers/net/ethernet/alacritech/slicoss.c
@@ -1,19 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Driver for Gigabit Ethernet adapters based on the Session Layer
* Interface (SLIC) technology by Alacritech. The driver does not
* support the hardware acceleration features provided by these cards.
*
* Copyright (C) 2016 Lino Sanfilippo <LinoSanfilippo@gmx.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
*/
#include <linux/kernel.h>
diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c
index 9e06dff619c3..3434730a7699 100644
--- a/drivers/net/ethernet/allwinner/sun4i-emac.c
+++ b/drivers/net/ethernet/allwinner/sun4i-emac.c
@@ -224,8 +224,8 @@ static int emac_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
static void emac_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
- strlcpy(info->driver, DRV_NAME, sizeof(DRV_NAME));
- strlcpy(info->version, DRV_VERSION, sizeof(DRV_VERSION));
+ strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
+ strlcpy(info->version, DRV_VERSION, sizeof(info->version));
strlcpy(info->bus_info, dev_name(&dev->dev), sizeof(info->bus_info));
}
@@ -818,7 +818,6 @@ static int emac_probe(struct platform_device *pdev)
SET_NETDEV_DEV(ndev, &pdev->dev);
db = netdev_priv(ndev);
- memset(db, 0, sizeof(*db));
db->dev = &pdev->dev;
db->ndev = ndev;
diff --git a/drivers/net/ethernet/alteon/acenic.c b/drivers/net/ethernet/alteon/acenic.c
index 1827ef1f6d55..46b4207d3266 100644
--- a/drivers/net/ethernet/alteon/acenic.c
+++ b/drivers/net/ethernet/alteon/acenic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* acenic.c: Linux driver for the Alteon AceNIC Gigabit Ethernet card
* and other Tigon based cards.
@@ -12,11 +13,6 @@
* about the driver. Send mail to linux-acenic-help@sunsite.auc.dk to
* see how to subscribe.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
* Additional credits:
* Pete Wyckoff <wyckoff@ca.sandia.gov>: Initial Linux/Alpha and trace
* dump support. The trace dump support has not been
diff --git a/drivers/net/ethernet/altera/altera_msgdma.c b/drivers/net/ethernet/altera/altera_msgdma.c
index 0ae723f75341..ac1efd08267a 100644
--- a/drivers/net/ethernet/altera/altera_msgdma.c
+++ b/drivers/net/ethernet/altera/altera_msgdma.c
@@ -1,17 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Altera TSE SGDMA and MSGDMA Linux driver
* Copyright (C) 2014 Altera Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/netdevice.h>
diff --git a/drivers/net/ethernet/altera/altera_msgdma.h b/drivers/net/ethernet/altera/altera_msgdma.h
index 42cf61c81057..9813fbfff4d3 100644
--- a/drivers/net/ethernet/altera/altera_msgdma.h
+++ b/drivers/net/ethernet/altera/altera_msgdma.h
@@ -1,17 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/* Altera TSE SGDMA and MSGDMA Linux driver
* Copyright (C) 2014 Altera Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ALTERA_MSGDMA_H__
diff --git a/drivers/net/ethernet/altera/altera_msgdmahw.h b/drivers/net/ethernet/altera/altera_msgdmahw.h
index 89cd11d86642..019f5a12630e 100644
--- a/drivers/net/ethernet/altera/altera_msgdmahw.h
+++ b/drivers/net/ethernet/altera/altera_msgdmahw.h
@@ -1,17 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/* Altera TSE SGDMA and MSGDMA Linux driver
* Copyright (C) 2014 Altera Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ALTERA_MSGDMAHW_H__
diff --git a/drivers/net/ethernet/altera/altera_sgdma.c b/drivers/net/ethernet/altera/altera_sgdma.c
index 88ef67a998b4..db97170da8c7 100644
--- a/drivers/net/ethernet/altera/altera_sgdma.c
+++ b/drivers/net/ethernet/altera/altera_sgdma.c
@@ -1,17 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Altera TSE SGDMA and MSGDMA Linux driver
* Copyright (C) 2014 Altera Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/list.h>
diff --git a/drivers/net/ethernet/altera/altera_sgdma.h b/drivers/net/ethernet/altera/altera_sgdma.h
index 584977e29ef9..08afe1c9994f 100644
--- a/drivers/net/ethernet/altera/altera_sgdma.h
+++ b/drivers/net/ethernet/altera/altera_sgdma.h
@@ -1,17 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/* Altera TSE SGDMA and MSGDMA Linux driver
* Copyright (C) 2014 Altera Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ALTERA_SGDMA_H__
diff --git a/drivers/net/ethernet/altera/altera_sgdmahw.h b/drivers/net/ethernet/altera/altera_sgdmahw.h
index bbd52f02330b..3304518e2cbf 100644
--- a/drivers/net/ethernet/altera/altera_sgdmahw.h
+++ b/drivers/net/ethernet/altera/altera_sgdmahw.h
@@ -1,17 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/* Altera TSE SGDMA and MSGDMA Linux driver
* Copyright (C) 2014 Altera Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ALTERA_SGDMAHW_H__
diff --git a/drivers/net/ethernet/altera/altera_tse.h b/drivers/net/ethernet/altera/altera_tse.h
index e2feee87180a..f17acfb579a0 100644
--- a/drivers/net/ethernet/altera/altera_tse.h
+++ b/drivers/net/ethernet/altera/altera_tse.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/* Altera Triple-Speed Ethernet MAC driver
* Copyright (C) 2008-2014 Altera Corporation. All rights reserved
*
@@ -14,18 +15,6 @@
*
* Original driver contributed by SLS.
* Major updates contributed by GlobalLogic
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ALTERA_TSE_H__
diff --git a/drivers/net/ethernet/altera/altera_tse_ethtool.c b/drivers/net/ethernet/altera/altera_tse_ethtool.c
index 7c367713c3e6..23823464f2e7 100644
--- a/drivers/net/ethernet/altera/altera_tse_ethtool.c
+++ b/drivers/net/ethernet/altera/altera_tse_ethtool.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Ethtool support for Altera Triple-Speed Ethernet MAC driver
* Copyright (C) 2008-2014 Altera Corporation. All rights reserved
*
@@ -13,18 +14,6 @@
*
* Original driver contributed by SLS.
* Major updates contributed by GlobalLogic
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/ethtool.h>
diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c
index 877e67f4344b..bb032be7fe31 100644
--- a/drivers/net/ethernet/altera/altera_tse_main.c
+++ b/drivers/net/ethernet/altera/altera_tse_main.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Altera Triple-Speed Ethernet MAC driver
* Copyright (C) 2008-2014 Altera Corporation. All rights reserved
*
@@ -14,18 +15,6 @@
*
* Original driver contributed by SLS.
* Major updates contributed by GlobalLogic
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/atomic.h>
diff --git a/drivers/net/ethernet/altera/altera_utils.c b/drivers/net/ethernet/altera/altera_utils.c
index d7eeb1713ad2..e6a7fc9d8fb1 100644
--- a/drivers/net/ethernet/altera/altera_utils.c
+++ b/drivers/net/ethernet/altera/altera_utils.c
@@ -1,17 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Altera TSE SGDMA and MSGDMA Linux driver
* Copyright (C) 2014 Altera Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "altera_tse.h"
diff --git a/drivers/net/ethernet/altera/altera_utils.h b/drivers/net/ethernet/altera/altera_utils.h
index baf100ccf587..b7d772f2dcbb 100644
--- a/drivers/net/ethernet/altera/altera_utils.h
+++ b/drivers/net/ethernet/altera/altera_utils.h
@@ -1,17 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/* Altera TSE SGDMA and MSGDMA Linux driver
* Copyright (C) 2014 Altera Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/kernel.h>
diff --git a/drivers/net/ethernet/amazon/ena/ena_admin_defs.h b/drivers/net/ethernet/amazon/ena/ena_admin_defs.h
index 9f80b73f90b1..d19f2ecf8e84 100644
--- a/drivers/net/ethernet/amazon/ena/ena_admin_defs.h
+++ b/drivers/net/ethernet/amazon/ena/ena_admin_defs.h
@@ -60,6 +60,7 @@ enum ena_admin_aq_feature_id {
ENA_ADMIN_MAX_QUEUES_NUM = 2,
ENA_ADMIN_HW_HINTS = 3,
ENA_ADMIN_LLQ = 4,
+ ENA_ADMIN_MAX_QUEUES_EXT = 7,
ENA_ADMIN_RSS_HASH_FUNCTION = 10,
ENA_ADMIN_STATELESS_OFFLOAD_CONFIG = 11,
ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG = 12,
@@ -421,7 +422,13 @@ struct ena_admin_get_set_feature_common_desc {
/* as appears in ena_admin_aq_feature_id */
u8 feature_id;
- u16 reserved16;
+ /* The driver specifies the max feature version it supports and the
+ * device responds with the currently supported feature version. The
+ * field is zero based
+ */
+ u8 feature_version;
+
+ u8 reserved8;
};
struct ena_admin_device_attr_feature_desc {
@@ -524,6 +531,39 @@ struct ena_admin_feature_llq_desc {
/* the stride control the driver selected to use */
u16 descriptors_stride_ctrl_enabled;
+
+ /* Maximum size in bytes taken by llq entries in a single tx burst.
+ * Set to 0 when there is no such limit.
+ */
+ u32 max_tx_burst_size;
+};
+
+struct ena_admin_queue_ext_feature_fields {
+ u32 max_tx_sq_num;
+
+ u32 max_tx_cq_num;
+
+ u32 max_rx_sq_num;
+
+ u32 max_rx_cq_num;
+
+ u32 max_tx_sq_depth;
+
+ u32 max_tx_cq_depth;
+
+ u32 max_rx_sq_depth;
+
+ u32 max_rx_cq_depth;
+
+ u32 max_tx_header_size;
+
+ /* Maximum Descriptors number, including meta descriptor, allowed for
+ * a single Tx packet
+ */
+ u16 max_per_packet_tx_descs;
+
+ /* Maximum Descriptors number allowed for a single Rx packet */
+ u16 max_per_packet_rx_descs;
};
struct ena_admin_queue_feature_desc {
@@ -832,6 +872,19 @@ struct ena_admin_get_feat_cmd {
u32 raw[11];
};
+struct ena_admin_queue_ext_feature_desc {
+ /* version */
+ u8 version;
+
+ u8 reserved1[3];
+
+ union {
+ struct ena_admin_queue_ext_feature_fields max_queue_ext;
+
+ u32 raw[10];
+ };
+};
+
struct ena_admin_get_feat_resp {
struct ena_admin_acq_common_desc acq_common_desc;
@@ -844,6 +897,8 @@ struct ena_admin_get_feat_resp {
struct ena_admin_queue_feature_desc max_queue;
+ struct ena_admin_queue_ext_feature_desc max_queue_ext;
+
struct ena_admin_feature_aenq_desc aenq;
struct ena_admin_get_feature_link_desc link;
@@ -908,7 +963,9 @@ struct ena_admin_aenq_common_desc {
u16 syndrom;
- /* 0 : phase */
+ /* 0 : phase
+ * 7:1 : reserved - MBZ
+ */
u8 flags;
u8 reserved1[3];
diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c
index 7f8266b191ae..911a2e7a375a 100644
--- a/drivers/net/ethernet/amazon/ena/ena_com.c
+++ b/drivers/net/ethernet/amazon/ena/ena_com.c
@@ -91,7 +91,7 @@ struct ena_com_stats_ctx {
struct ena_admin_acq_get_stats_resp get_resp;
};
-static inline int ena_com_mem_addr_set(struct ena_com_dev *ena_dev,
+static int ena_com_mem_addr_set(struct ena_com_dev *ena_dev,
struct ena_common_mem_addr *ena_addr,
dma_addr_t addr)
{
@@ -115,7 +115,7 @@ static int ena_com_admin_init_sq(struct ena_com_admin_queue *queue)
GFP_KERNEL);
if (!sq->entries) {
- pr_err("memory allocation failed");
+ pr_err("memory allocation failed\n");
return -ENOMEM;
}
@@ -137,7 +137,7 @@ static int ena_com_admin_init_cq(struct ena_com_admin_queue *queue)
GFP_KERNEL);
if (!cq->entries) {
- pr_err("memory allocation failed");
+ pr_err("memory allocation failed\n");
return -ENOMEM;
}
@@ -160,7 +160,7 @@ static int ena_com_admin_init_aenq(struct ena_com_dev *dev,
GFP_KERNEL);
if (!aenq->entries) {
- pr_err("memory allocation failed");
+ pr_err("memory allocation failed\n");
return -ENOMEM;
}
@@ -190,7 +190,7 @@ static int ena_com_admin_init_aenq(struct ena_com_dev *dev,
return 0;
}
-static inline void comp_ctxt_release(struct ena_com_admin_queue *queue,
+static void comp_ctxt_release(struct ena_com_admin_queue *queue,
struct ena_comp_ctx *comp_ctx)
{
comp_ctx->occupied = false;
@@ -277,7 +277,7 @@ static struct ena_comp_ctx *__ena_com_submit_admin_cmd(struct ena_com_admin_queu
return comp_ctx;
}
-static inline int ena_com_init_comp_ctxt(struct ena_com_admin_queue *queue)
+static int ena_com_init_comp_ctxt(struct ena_com_admin_queue *queue)
{
size_t size = queue->q_depth * sizeof(struct ena_comp_ctx);
struct ena_comp_ctx *comp_ctx;
@@ -285,7 +285,7 @@ static inline int ena_com_init_comp_ctxt(struct ena_com_admin_queue *queue)
queue->comp_ctx = devm_kzalloc(queue->q_dmadev, size, GFP_KERNEL);
if (unlikely(!queue->comp_ctx)) {
- pr_err("memory allocation failed");
+ pr_err("memory allocation failed\n");
return -ENOMEM;
}
@@ -356,7 +356,7 @@ static int ena_com_init_io_sq(struct ena_com_dev *ena_dev,
}
if (!io_sq->desc_addr.virt_addr) {
- pr_err("memory allocation failed");
+ pr_err("memory allocation failed\n");
return -ENOMEM;
}
}
@@ -382,7 +382,7 @@ static int ena_com_init_io_sq(struct ena_com_dev *ena_dev,
devm_kzalloc(ena_dev->dmadev, size, GFP_KERNEL);
if (!io_sq->bounce_buf_ctrl.base_buffer) {
- pr_err("bounce buffer memory allocation failed");
+ pr_err("bounce buffer memory allocation failed\n");
return -ENOMEM;
}
@@ -396,6 +396,10 @@ static int ena_com_init_io_sq(struct ena_com_dev *ena_dev,
0x0, io_sq->llq_info.desc_list_entry_size);
io_sq->llq_buf_ctrl.descs_left_in_line =
io_sq->llq_info.descs_num_before_header;
+
+ if (io_sq->llq_info.max_entries_in_tx_burst > 0)
+ io_sq->entries_in_tx_burst_left =
+ io_sq->llq_info.max_entries_in_tx_burst;
}
io_sq->tail = 0;
@@ -436,7 +440,7 @@ static int ena_com_init_io_cq(struct ena_com_dev *ena_dev,
}
if (!io_cq->cdesc_addr.virt_addr) {
- pr_err("memory allocation failed");
+ pr_err("memory allocation failed\n");
return -ENOMEM;
}
@@ -727,6 +731,9 @@ static int ena_com_config_llq_info(struct ena_com_dev *ena_dev,
supported_feat, llq_info->descs_num_before_header);
}
+ llq_info->max_entries_in_tx_burst =
+ (u16)(llq_features->max_tx_burst_size / llq_default_cfg->llq_ring_entry_size_value);
+
rc = ena_com_set_llq(ena_dev);
if (rc)
pr_err("Cannot set LLQ configuration: %d\n", rc);
@@ -755,16 +762,26 @@ static int ena_com_wait_and_process_admin_cq_interrupts(struct ena_comp_ctx *com
admin_queue->stats.no_completion++;
spin_unlock_irqrestore(&admin_queue->q_lock, flags);
- if (comp_ctx->status == ENA_CMD_COMPLETED)
- pr_err("The ena device have completion but the driver didn't receive any MSI-X interrupt (cmd %d)\n",
- comp_ctx->cmd_opcode);
- else
- pr_err("The ena device doesn't send any completion for the admin cmd %d status %d\n",
+ if (comp_ctx->status == ENA_CMD_COMPLETED) {
+ pr_err("The ena device sent a completion but the driver didn't receive a MSI-X interrupt (cmd %d), autopolling mode is %s\n",
+ comp_ctx->cmd_opcode,
+ admin_queue->auto_polling ? "ON" : "OFF");
+ /* Check if fallback to polling is enabled */
+ if (admin_queue->auto_polling)
+ admin_queue->polling = true;
+ } else {
+ pr_err("The ena device doesn't send a completion for the admin cmd %d status %d\n",
comp_ctx->cmd_opcode, comp_ctx->status);
-
- admin_queue->running_state = false;
- ret = -ETIME;
- goto err;
+ }
+ /* Check if shifted to polling mode.
+ * This will happen if there is a completion without an interrupt
+ * and autopolling mode is enabled. Continuing normal execution in such case
+ */
+ if (!admin_queue->polling) {
+ admin_queue->running_state = false;
+ ret = -ETIME;
+ goto err;
+ }
}
ret = ena_com_comp_status_to_errno(comp_ctx->comp_status);
@@ -822,7 +839,7 @@ static u32 ena_com_reg_bar_read32(struct ena_com_dev *ena_dev, u16 offset)
}
if (read_resp->reg_off != offset) {
- pr_err("Read failure: wrong offset provided");
+ pr_err("Read failure: wrong offset provided\n");
ret = ENA_MMIO_READ_TIMEOUT;
} else {
ret = read_resp->reg_val;
@@ -961,7 +978,8 @@ static int ena_com_get_feature_ex(struct ena_com_dev *ena_dev,
struct ena_admin_get_feat_resp *get_resp,
enum ena_admin_aq_feature_id feature_id,
dma_addr_t control_buf_dma_addr,
- u32 control_buff_size)
+ u32 control_buff_size,
+ u8 feature_ver)
{
struct ena_com_admin_queue *admin_queue;
struct ena_admin_get_feat_cmd get_cmd;
@@ -992,7 +1010,7 @@ static int ena_com_get_feature_ex(struct ena_com_dev *ena_dev,
}
get_cmd.control_buffer.length = control_buff_size;
-
+ get_cmd.feat_common.feature_version = feature_ver;
get_cmd.feat_common.feature_id = feature_id;
ret = ena_com_execute_admin_command(admin_queue,
@@ -1012,13 +1030,15 @@ static int ena_com_get_feature_ex(struct ena_com_dev *ena_dev,
static int ena_com_get_feature(struct ena_com_dev *ena_dev,
struct ena_admin_get_feat_resp *get_resp,
- enum ena_admin_aq_feature_id feature_id)
+ enum ena_admin_aq_feature_id feature_id,
+ u8 feature_ver)
{
return ena_com_get_feature_ex(ena_dev,
get_resp,
feature_id,
0,
- 0);
+ 0,
+ feature_ver);
}
static int ena_com_hash_key_allocate(struct ena_com_dev *ena_dev)
@@ -1078,7 +1098,7 @@ static int ena_com_indirect_table_allocate(struct ena_com_dev *ena_dev,
int ret;
ret = ena_com_get_feature(ena_dev, &get_resp,
- ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG);
+ ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG, 0);
if (unlikely(ret))
return ret;
@@ -1498,7 +1518,7 @@ int ena_com_set_aenq_config(struct ena_com_dev *ena_dev, u32 groups_flag)
struct ena_admin_get_feat_resp get_resp;
int ret;
- ret = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_AENQ_CONFIG);
+ ret = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_AENQ_CONFIG, 0);
if (ret) {
pr_info("Can't get aenq configuration\n");
return ret;
@@ -1643,6 +1663,12 @@ void ena_com_set_admin_polling_mode(struct ena_com_dev *ena_dev, bool polling)
ena_dev->admin_queue.polling = polling;
}
+void ena_com_set_admin_auto_polling_mode(struct ena_com_dev *ena_dev,
+ bool polling)
+{
+ ena_dev->admin_queue.auto_polling = polling;
+}
+
int ena_com_mmio_reg_read_request_init(struct ena_com_dev *ena_dev)
{
struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read;
@@ -1867,7 +1893,7 @@ void ena_com_destroy_io_queue(struct ena_com_dev *ena_dev, u16 qid)
int ena_com_get_link_params(struct ena_com_dev *ena_dev,
struct ena_admin_get_feat_resp *resp)
{
- return ena_com_get_feature(ena_dev, resp, ENA_ADMIN_LINK_CONFIG);
+ return ena_com_get_feature(ena_dev, resp, ENA_ADMIN_LINK_CONFIG, 0);
}
int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev,
@@ -1877,7 +1903,7 @@ int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev,
int rc;
rc = ena_com_get_feature(ena_dev, &get_resp,
- ENA_ADMIN_DEVICE_ATTRIBUTES);
+ ENA_ADMIN_DEVICE_ATTRIBUTES, 0);
if (rc)
return rc;
@@ -1885,17 +1911,34 @@ int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev,
sizeof(get_resp.u.dev_attr));
ena_dev->supported_features = get_resp.u.dev_attr.supported_features;
- rc = ena_com_get_feature(ena_dev, &get_resp,
- ENA_ADMIN_MAX_QUEUES_NUM);
- if (rc)
- return rc;
+ if (ena_dev->supported_features & BIT(ENA_ADMIN_MAX_QUEUES_EXT)) {
+ rc = ena_com_get_feature(ena_dev, &get_resp,
+ ENA_ADMIN_MAX_QUEUES_EXT,
+ ENA_FEATURE_MAX_QUEUE_EXT_VER);
+ if (rc)
+ return rc;
- memcpy(&get_feat_ctx->max_queues, &get_resp.u.max_queue,
- sizeof(get_resp.u.max_queue));
- ena_dev->tx_max_header_size = get_resp.u.max_queue.max_header_size;
+ if (get_resp.u.max_queue_ext.version != ENA_FEATURE_MAX_QUEUE_EXT_VER)
+ return -EINVAL;
+
+ memcpy(&get_feat_ctx->max_queue_ext, &get_resp.u.max_queue_ext,
+ sizeof(get_resp.u.max_queue_ext));
+ ena_dev->tx_max_header_size =
+ get_resp.u.max_queue_ext.max_queue_ext.max_tx_header_size;
+ } else {
+ rc = ena_com_get_feature(ena_dev, &get_resp,
+ ENA_ADMIN_MAX_QUEUES_NUM, 0);
+ memcpy(&get_feat_ctx->max_queues, &get_resp.u.max_queue,
+ sizeof(get_resp.u.max_queue));
+ ena_dev->tx_max_header_size =
+ get_resp.u.max_queue.max_header_size;
+
+ if (rc)
+ return rc;
+ }
rc = ena_com_get_feature(ena_dev, &get_resp,
- ENA_ADMIN_AENQ_CONFIG);
+ ENA_ADMIN_AENQ_CONFIG, 0);
if (rc)
return rc;
@@ -1903,7 +1946,7 @@ int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev,
sizeof(get_resp.u.aenq));
rc = ena_com_get_feature(ena_dev, &get_resp,
- ENA_ADMIN_STATELESS_OFFLOAD_CONFIG);
+ ENA_ADMIN_STATELESS_OFFLOAD_CONFIG, 0);
if (rc)
return rc;
@@ -1913,7 +1956,7 @@ int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev,
/* Driver hints isn't mandatory admin command. So in case the
* command isn't supported set driver hints to 0
*/
- rc = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_HW_HINTS);
+ rc = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_HW_HINTS, 0);
if (!rc)
memcpy(&get_feat_ctx->hw_hints, &get_resp.u.hw_hints,
@@ -1924,7 +1967,7 @@ int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev,
else
return rc;
- rc = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_LLQ);
+ rc = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_LLQ, 0);
if (!rc)
memcpy(&get_feat_ctx->llq, &get_resp.u.llq,
sizeof(get_resp.u.llq));
@@ -2161,7 +2204,7 @@ int ena_com_get_offload_settings(struct ena_com_dev *ena_dev,
struct ena_admin_get_feat_resp resp;
ret = ena_com_get_feature(ena_dev, &resp,
- ENA_ADMIN_STATELESS_OFFLOAD_CONFIG);
+ ENA_ADMIN_STATELESS_OFFLOAD_CONFIG, 0);
if (unlikely(ret)) {
pr_err("Failed to get offload capabilities %d\n", ret);
return ret;
@@ -2190,7 +2233,7 @@ int ena_com_set_hash_function(struct ena_com_dev *ena_dev)
/* Validate hash function is supported */
ret = ena_com_get_feature(ena_dev, &get_resp,
- ENA_ADMIN_RSS_HASH_FUNCTION);
+ ENA_ADMIN_RSS_HASH_FUNCTION, 0);
if (unlikely(ret))
return ret;
@@ -2250,7 +2293,7 @@ int ena_com_fill_hash_function(struct ena_com_dev *ena_dev,
rc = ena_com_get_feature_ex(ena_dev, &get_resp,
ENA_ADMIN_RSS_HASH_FUNCTION,
rss->hash_key_dma_addr,
- sizeof(*rss->hash_key));
+ sizeof(*rss->hash_key), 0);
if (unlikely(rc))
return rc;
@@ -2302,7 +2345,7 @@ int ena_com_get_hash_function(struct ena_com_dev *ena_dev,
rc = ena_com_get_feature_ex(ena_dev, &get_resp,
ENA_ADMIN_RSS_HASH_FUNCTION,
rss->hash_key_dma_addr,
- sizeof(*rss->hash_key));
+ sizeof(*rss->hash_key), 0);
if (unlikely(rc))
return rc;
@@ -2327,7 +2370,7 @@ int ena_com_get_hash_ctrl(struct ena_com_dev *ena_dev,
rc = ena_com_get_feature_ex(ena_dev, &get_resp,
ENA_ADMIN_RSS_HASH_INPUT,
rss->hash_ctrl_dma_addr,
- sizeof(*rss->hash_ctrl));
+ sizeof(*rss->hash_ctrl), 0);
if (unlikely(rc))
return rc;
@@ -2563,7 +2606,7 @@ int ena_com_indirect_table_get(struct ena_com_dev *ena_dev, u32 *ind_tbl)
rc = ena_com_get_feature_ex(ena_dev, &get_resp,
ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG,
rss->rss_ind_tbl_dma_addr,
- tbl_size);
+ tbl_size, 0);
if (unlikely(rc))
return rc;
@@ -2778,7 +2821,7 @@ int ena_com_init_interrupt_moderation(struct ena_com_dev *ena_dev)
int rc;
rc = ena_com_get_feature(ena_dev, &get_resp,
- ENA_ADMIN_INTERRUPT_MODERATION);
+ ENA_ADMIN_INTERRUPT_MODERATION, 0);
if (rc) {
if (rc == -EOPNOTSUPP) {
@@ -2913,8 +2956,8 @@ int ena_com_config_dev_mode(struct ena_com_dev *ena_dev,
struct ena_admin_feature_llq_desc *llq_features,
struct ena_llq_configurations *llq_default_cfg)
{
+ struct ena_com_llq_info *llq_info = &ena_dev->llq_info;
int rc;
- int size;
if (!llq_features->max_llq_num) {
ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
@@ -2925,12 +2968,10 @@ int ena_com_config_dev_mode(struct ena_com_dev *ena_dev,
if (rc)
return rc;
- /* Validate the descriptor is not too big */
- size = ena_dev->tx_max_header_size;
- size += ena_dev->llq_info.descs_num_before_header *
- sizeof(struct ena_eth_io_tx_desc);
+ ena_dev->tx_max_header_size = llq_info->desc_list_entry_size -
+ (llq_info->descs_num_before_header * sizeof(struct ena_eth_io_tx_desc));
- if (unlikely(ena_dev->llq_info.desc_list_entry_size < size)) {
+ if (unlikely(ena_dev->tx_max_header_size == 0)) {
pr_err("the size of the LLQ entry is smaller than needed\n");
return -EINVAL;
}
diff --git a/drivers/net/ethernet/amazon/ena/ena_com.h b/drivers/net/ethernet/amazon/ena/ena_com.h
index 078d6f2b4f39..0d3664fe260d 100644
--- a/drivers/net/ethernet/amazon/ena/ena_com.h
+++ b/drivers/net/ethernet/amazon/ena/ena_com.h
@@ -101,6 +101,8 @@
#define ENA_HW_HINTS_NO_TIMEOUT 0xFFFF
+#define ENA_FEATURE_MAX_QUEUE_EXT_VER 1
+
enum ena_intr_moder_level {
ENA_INTR_MODER_LOWEST = 0,
ENA_INTR_MODER_LOW,
@@ -159,6 +161,7 @@ struct ena_com_llq_info {
u16 desc_list_entry_size;
u16 descs_num_before_header;
u16 descs_per_entry;
+ u16 max_entries_in_tx_burst;
};
struct ena_com_io_cq {
@@ -238,6 +241,7 @@ struct ena_com_io_sq {
u8 phase;
u8 desc_entry_size;
u8 dma_addr_bits;
+ u16 entries_in_tx_burst_left;
} ____cacheline_aligned;
struct ena_com_admin_cq {
@@ -281,6 +285,9 @@ struct ena_com_admin_queue {
/* Indicate if the admin queue should poll for completion */
bool polling;
+ /* Define if fallback to polling mode should occur */
+ bool auto_polling;
+
u16 curr_cmd_id;
/* Indicate that the ena was initialized and can
@@ -377,6 +384,7 @@ struct ena_com_dev {
struct ena_com_dev_get_features_ctx {
struct ena_admin_queue_feature_desc max_queues;
+ struct ena_admin_queue_ext_feature_desc max_queue_ext;
struct ena_admin_device_attr_feature_desc dev_attr;
struct ena_admin_feature_aenq_desc aenq;
struct ena_admin_feature_offload_desc offload;
@@ -536,6 +544,17 @@ void ena_com_set_admin_polling_mode(struct ena_com_dev *ena_dev, bool polling);
*/
bool ena_com_get_ena_admin_polling_mode(struct ena_com_dev *ena_dev);
+/* ena_com_set_admin_auto_polling_mode - Enable autoswitch to polling mode
+ * @ena_dev: ENA communication layer struct
+ * @polling: Enable/Disable polling mode
+ *
+ * Set the autopolling mode.
+ * If autopolling is on:
+ * In case of missing interrupt when data is available switch to polling.
+ */
+void ena_com_set_admin_auto_polling_mode(struct ena_com_dev *ena_dev,
+ bool polling);
+
/* ena_com_admin_q_comp_intr_handler - admin queue interrupt handler
* @ena_dev: ENA communication layer struct
*
diff --git a/drivers/net/ethernet/amazon/ena/ena_eth_com.c b/drivers/net/ethernet/amazon/ena/ena_eth_com.c
index f6c2d3855be8..38046bf0ff44 100644
--- a/drivers/net/ethernet/amazon/ena/ena_eth_com.c
+++ b/drivers/net/ethernet/amazon/ena/ena_eth_com.c
@@ -32,7 +32,7 @@
#include "ena_eth_com.h"
-static inline struct ena_eth_io_rx_cdesc_base *ena_com_get_next_rx_cdesc(
+static struct ena_eth_io_rx_cdesc_base *ena_com_get_next_rx_cdesc(
struct ena_com_io_cq *io_cq)
{
struct ena_eth_io_rx_cdesc_base *cdesc;
@@ -59,7 +59,7 @@ static inline struct ena_eth_io_rx_cdesc_base *ena_com_get_next_rx_cdesc(
return cdesc;
}
-static inline void *get_sq_desc_regular_queue(struct ena_com_io_sq *io_sq)
+static void *get_sq_desc_regular_queue(struct ena_com_io_sq *io_sq)
{
u16 tail_masked;
u32 offset;
@@ -71,7 +71,7 @@ static inline void *get_sq_desc_regular_queue(struct ena_com_io_sq *io_sq)
return (void *)((uintptr_t)io_sq->desc_addr.virt_addr + offset);
}
-static inline int ena_com_write_bounce_buffer_to_dev(struct ena_com_io_sq *io_sq,
+static int ena_com_write_bounce_buffer_to_dev(struct ena_com_io_sq *io_sq,
u8 *bounce_buffer)
{
struct ena_com_llq_info *llq_info = &io_sq->llq_info;
@@ -82,6 +82,17 @@ static inline int ena_com_write_bounce_buffer_to_dev(struct ena_com_io_sq *io_sq
dst_tail_mask = io_sq->tail & (io_sq->q_depth - 1);
dst_offset = dst_tail_mask * llq_info->desc_list_entry_size;
+ if (is_llq_max_tx_burst_exists(io_sq)) {
+ if (unlikely(!io_sq->entries_in_tx_burst_left)) {
+ pr_err("Error: trying to send more packets than tx burst allows\n");
+ return -ENOSPC;
+ }
+
+ io_sq->entries_in_tx_burst_left--;
+ pr_debug("decreasing entries_in_tx_burst_left of queue %d to %d\n",
+ io_sq->qid, io_sq->entries_in_tx_burst_left);
+ }
+
/* Make sure everything was written into the bounce buffer before
* writing the bounce buffer to the device
*/
@@ -100,7 +111,7 @@ static inline int ena_com_write_bounce_buffer_to_dev(struct ena_com_io_sq *io_sq
return 0;
}
-static inline int ena_com_write_header_to_bounce(struct ena_com_io_sq *io_sq,
+static int ena_com_write_header_to_bounce(struct ena_com_io_sq *io_sq,
u8 *header_src,
u16 header_len)
{
@@ -131,7 +142,7 @@ static inline int ena_com_write_header_to_bounce(struct ena_com_io_sq *io_sq,
return 0;
}
-static inline void *get_sq_desc_llq(struct ena_com_io_sq *io_sq)
+static void *get_sq_desc_llq(struct ena_com_io_sq *io_sq)
{
struct ena_com_llq_pkt_ctrl *pkt_ctrl = &io_sq->llq_buf_ctrl;
u8 *bounce_buffer;
@@ -151,7 +162,7 @@ static inline void *get_sq_desc_llq(struct ena_com_io_sq *io_sq)
return sq_desc;
}
-static inline int ena_com_close_bounce_buffer(struct ena_com_io_sq *io_sq)
+static int ena_com_close_bounce_buffer(struct ena_com_io_sq *io_sq)
{
struct ena_com_llq_pkt_ctrl *pkt_ctrl = &io_sq->llq_buf_ctrl;
struct ena_com_llq_info *llq_info = &io_sq->llq_info;
@@ -178,7 +189,7 @@ static inline int ena_com_close_bounce_buffer(struct ena_com_io_sq *io_sq)
return 0;
}
-static inline void *get_sq_desc(struct ena_com_io_sq *io_sq)
+static void *get_sq_desc(struct ena_com_io_sq *io_sq)
{
if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV)
return get_sq_desc_llq(io_sq);
@@ -186,7 +197,7 @@ static inline void *get_sq_desc(struct ena_com_io_sq *io_sq)
return get_sq_desc_regular_queue(io_sq);
}
-static inline int ena_com_sq_update_llq_tail(struct ena_com_io_sq *io_sq)
+static int ena_com_sq_update_llq_tail(struct ena_com_io_sq *io_sq)
{
struct ena_com_llq_pkt_ctrl *pkt_ctrl = &io_sq->llq_buf_ctrl;
struct ena_com_llq_info *llq_info = &io_sq->llq_info;
@@ -214,7 +225,7 @@ static inline int ena_com_sq_update_llq_tail(struct ena_com_io_sq *io_sq)
return 0;
}
-static inline int ena_com_sq_update_tail(struct ena_com_io_sq *io_sq)
+static int ena_com_sq_update_tail(struct ena_com_io_sq *io_sq)
{
if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV)
return ena_com_sq_update_llq_tail(io_sq);
@@ -228,7 +239,7 @@ static inline int ena_com_sq_update_tail(struct ena_com_io_sq *io_sq)
return 0;
}
-static inline struct ena_eth_io_rx_cdesc_base *
+static struct ena_eth_io_rx_cdesc_base *
ena_com_rx_cdesc_idx_to_ptr(struct ena_com_io_cq *io_cq, u16 idx)
{
idx &= (io_cq->q_depth - 1);
@@ -237,7 +248,7 @@ static inline struct ena_eth_io_rx_cdesc_base *
idx * io_cq->cdesc_entry_size_in_bytes);
}
-static inline u16 ena_com_cdesc_rx_pkt_get(struct ena_com_io_cq *io_cq,
+static u16 ena_com_cdesc_rx_pkt_get(struct ena_com_io_cq *io_cq,
u16 *first_cdesc_idx)
{
struct ena_eth_io_rx_cdesc_base *cdesc;
@@ -274,24 +285,7 @@ static inline u16 ena_com_cdesc_rx_pkt_get(struct ena_com_io_cq *io_cq,
return count;
}
-static inline bool ena_com_meta_desc_changed(struct ena_com_io_sq *io_sq,
- struct ena_com_tx_ctx *ena_tx_ctx)
-{
- int rc;
-
- if (ena_tx_ctx->meta_valid) {
- rc = memcmp(&io_sq->cached_tx_meta,
- &ena_tx_ctx->ena_meta,
- sizeof(struct ena_com_tx_meta));
-
- if (unlikely(rc != 0))
- return true;
- }
-
- return false;
-}
-
-static inline int ena_com_create_and_store_tx_meta_desc(struct ena_com_io_sq *io_sq,
+static int ena_com_create_and_store_tx_meta_desc(struct ena_com_io_sq *io_sq,
struct ena_com_tx_ctx *ena_tx_ctx)
{
struct ena_eth_io_tx_meta_desc *meta_desc = NULL;
@@ -340,7 +334,7 @@ static inline int ena_com_create_and_store_tx_meta_desc(struct ena_com_io_sq *io
return ena_com_sq_update_tail(io_sq);
}
-static inline void ena_com_rx_set_flags(struct ena_com_rx_ctx *ena_rx_ctx,
+static void ena_com_rx_set_flags(struct ena_com_rx_ctx *ena_rx_ctx,
struct ena_eth_io_rx_cdesc_base *cdesc)
{
ena_rx_ctx->l3_proto = cdesc->status &
diff --git a/drivers/net/ethernet/amazon/ena/ena_eth_com.h b/drivers/net/ethernet/amazon/ena/ena_eth_com.h
index 340d02b64ca6..77986c0ea52c 100644
--- a/drivers/net/ethernet/amazon/ena/ena_eth_com.h
+++ b/drivers/net/ethernet/amazon/ena/ena_eth_com.h
@@ -125,8 +125,55 @@ static inline bool ena_com_sq_have_enough_space(struct ena_com_io_sq *io_sq,
return ena_com_free_desc(io_sq) > temp;
}
+static inline bool ena_com_meta_desc_changed(struct ena_com_io_sq *io_sq,
+ struct ena_com_tx_ctx *ena_tx_ctx)
+{
+ if (!ena_tx_ctx->meta_valid)
+ return false;
+
+ return !!memcmp(&io_sq->cached_tx_meta,
+ &ena_tx_ctx->ena_meta,
+ sizeof(struct ena_com_tx_meta));
+}
+
+static inline bool is_llq_max_tx_burst_exists(struct ena_com_io_sq *io_sq)
+{
+ return (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) &&
+ io_sq->llq_info.max_entries_in_tx_burst > 0;
+}
+
+static inline bool ena_com_is_doorbell_needed(struct ena_com_io_sq *io_sq,
+ struct ena_com_tx_ctx *ena_tx_ctx)
+{
+ struct ena_com_llq_info *llq_info;
+ int descs_after_first_entry;
+ int num_entries_needed = 1;
+ u16 num_descs;
+
+ if (!is_llq_max_tx_burst_exists(io_sq))
+ return false;
+
+ llq_info = &io_sq->llq_info;
+ num_descs = ena_tx_ctx->num_bufs;
+
+ if (unlikely(ena_com_meta_desc_changed(io_sq, ena_tx_ctx)))
+ ++num_descs;
+
+ if (num_descs > llq_info->descs_num_before_header) {
+ descs_after_first_entry = num_descs - llq_info->descs_num_before_header;
+ num_entries_needed += DIV_ROUND_UP(descs_after_first_entry,
+ llq_info->descs_per_entry);
+ }
+
+ pr_debug("queue: %d num_descs: %d num_entries_needed: %d\n", io_sq->qid,
+ num_descs, num_entries_needed);
+
+ return num_entries_needed > io_sq->entries_in_tx_burst_left;
+}
+
static inline int ena_com_write_sq_doorbell(struct ena_com_io_sq *io_sq)
{
+ u16 max_entries_in_tx_burst = io_sq->llq_info.max_entries_in_tx_burst;
u16 tail = io_sq->tail;
pr_debug("write submission queue doorbell for queue: %d tail: %d\n",
@@ -134,6 +181,12 @@ static inline int ena_com_write_sq_doorbell(struct ena_com_io_sq *io_sq)
writel(tail, io_sq->db_addr);
+ if (is_llq_max_tx_burst_exists(io_sq)) {
+ pr_debug("reset available entries in tx burst for queue %d to %d\n",
+ io_sq->qid, max_entries_in_tx_burst);
+ io_sq->entries_in_tx_burst_left = max_entries_in_tx_burst;
+ }
+
return 0;
}
@@ -142,15 +195,17 @@ static inline int ena_com_update_dev_comp_head(struct ena_com_io_cq *io_cq)
u16 unreported_comp, head;
bool need_update;
- head = io_cq->head;
- unreported_comp = head - io_cq->last_head_update;
- need_update = unreported_comp > (io_cq->q_depth / ENA_COMP_HEAD_THRESH);
-
- if (io_cq->cq_head_db_reg && need_update) {
- pr_debug("Write completion queue doorbell for queue %d: head: %d\n",
- io_cq->qid, head);
- writel(head, io_cq->cq_head_db_reg);
- io_cq->last_head_update = head;
+ if (unlikely(io_cq->cq_head_db_reg)) {
+ head = io_cq->head;
+ unreported_comp = head - io_cq->last_head_update;
+ need_update = unreported_comp > (io_cq->q_depth / ENA_COMP_HEAD_THRESH);
+
+ if (unlikely(need_update)) {
+ pr_debug("Write completion queue doorbell for queue %d: head: %d\n",
+ io_cq->qid, head);
+ writel(head, io_cq->cq_head_db_reg);
+ io_cq->last_head_update = head;
+ }
}
return 0;
diff --git a/drivers/net/ethernet/amazon/ena/ena_ethtool.c b/drivers/net/ethernet/amazon/ena/ena_ethtool.c
index fe596bc30a96..b997c3ce9e2b 100644
--- a/drivers/net/ethernet/amazon/ena/ena_ethtool.c
+++ b/drivers/net/ethernet/amazon/ena/ena_ethtool.c
@@ -88,13 +88,14 @@ static const struct ena_stats ena_stats_tx_strings[] = {
static const struct ena_stats ena_stats_rx_strings[] = {
ENA_STAT_RX_ENTRY(cnt),
ENA_STAT_RX_ENTRY(bytes),
+ ENA_STAT_RX_ENTRY(rx_copybreak_pkt),
+ ENA_STAT_RX_ENTRY(csum_good),
ENA_STAT_RX_ENTRY(refil_partial),
ENA_STAT_RX_ENTRY(bad_csum),
ENA_STAT_RX_ENTRY(page_alloc_fail),
ENA_STAT_RX_ENTRY(skb_alloc_fail),
ENA_STAT_RX_ENTRY(dma_mapping_err),
ENA_STAT_RX_ENTRY(bad_desc_num),
- ENA_STAT_RX_ENTRY(rx_copybreak_pkt),
ENA_STAT_RX_ENTRY(bad_req_id),
ENA_STAT_RX_ENTRY(empty_rx_ring),
ENA_STAT_RX_ENTRY(csum_unchecked),
@@ -447,13 +448,32 @@ static void ena_get_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring)
{
struct ena_adapter *adapter = netdev_priv(netdev);
- struct ena_ring *tx_ring = &adapter->tx_ring[0];
- struct ena_ring *rx_ring = &adapter->rx_ring[0];
- ring->rx_max_pending = rx_ring->ring_size;
- ring->tx_max_pending = tx_ring->ring_size;
- ring->rx_pending = rx_ring->ring_size;
- ring->tx_pending = tx_ring->ring_size;
+ ring->tx_max_pending = adapter->max_tx_ring_size;
+ ring->rx_max_pending = adapter->max_rx_ring_size;
+ ring->tx_pending = adapter->tx_ring[0].ring_size;
+ ring->rx_pending = adapter->rx_ring[0].ring_size;
+}
+
+static int ena_set_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring)
+{
+ struct ena_adapter *adapter = netdev_priv(netdev);
+ u32 new_tx_size, new_rx_size;
+
+ new_tx_size = ring->tx_pending < ENA_MIN_RING_SIZE ?
+ ENA_MIN_RING_SIZE : ring->tx_pending;
+ new_tx_size = rounddown_pow_of_two(new_tx_size);
+
+ new_rx_size = ring->rx_pending < ENA_MIN_RING_SIZE ?
+ ENA_MIN_RING_SIZE : ring->rx_pending;
+ new_rx_size = rounddown_pow_of_two(new_rx_size);
+
+ if (new_tx_size == adapter->requested_tx_ring_size &&
+ new_rx_size == adapter->requested_rx_ring_size)
+ return 0;
+
+ return ena_update_queue_sizes(adapter, new_tx_size, new_rx_size);
}
static u32 ena_flow_hash_to_flow_type(u16 hash_fields)
@@ -807,6 +827,7 @@ static const struct ethtool_ops ena_ethtool_ops = {
.get_coalesce = ena_get_coalesce,
.set_coalesce = ena_set_coalesce,
.get_ringparam = ena_get_ringparam,
+ .set_ringparam = ena_set_ringparam,
.get_sset_count = ena_get_sset_count,
.get_strings = ena_get_strings,
.get_ethtool_stats = ena_get_ethtool_stats,
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index 9c83642922c7..664e3ed97ea9 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -182,7 +182,7 @@ static void ena_init_io_rings(struct ena_adapter *adapter)
ena_init_io_rings_common(adapter, rxr, i);
/* TX specific ring state */
- txr->ring_size = adapter->tx_ring_size;
+ txr->ring_size = adapter->requested_tx_ring_size;
txr->tx_max_header_size = ena_dev->tx_max_header_size;
txr->tx_mem_queue_type = ena_dev->tx_mem_queue_type;
txr->sgl_size = adapter->max_tx_sgl_size;
@@ -190,7 +190,7 @@ static void ena_init_io_rings(struct ena_adapter *adapter)
ena_com_get_nonadaptive_moderation_interval_tx(ena_dev);
/* RX specific ring state */
- rxr->ring_size = adapter->rx_ring_size;
+ rxr->ring_size = adapter->requested_rx_ring_size;
rxr->rx_copybreak = adapter->rx_copybreak;
rxr->sgl_size = adapter->max_rx_sgl_size;
rxr->smoothed_interval =
@@ -228,11 +228,11 @@ static int ena_setup_tx_resources(struct ena_adapter *adapter, int qid)
}
size = sizeof(u16) * tx_ring->ring_size;
- tx_ring->free_tx_ids = vzalloc_node(size, node);
- if (!tx_ring->free_tx_ids) {
- tx_ring->free_tx_ids = vzalloc(size);
- if (!tx_ring->free_tx_ids)
- goto err_free_tx_ids;
+ tx_ring->free_ids = vzalloc_node(size, node);
+ if (!tx_ring->free_ids) {
+ tx_ring->free_ids = vzalloc(size);
+ if (!tx_ring->free_ids)
+ goto err_tx_free_ids;
}
size = tx_ring->tx_max_header_size;
@@ -245,7 +245,7 @@ static int ena_setup_tx_resources(struct ena_adapter *adapter, int qid)
/* Req id ring for TX out of order completions */
for (i = 0; i < tx_ring->ring_size; i++)
- tx_ring->free_tx_ids[i] = i;
+ tx_ring->free_ids[i] = i;
/* Reset tx statistics */
memset(&tx_ring->tx_stats, 0x0, sizeof(tx_ring->tx_stats));
@@ -256,9 +256,9 @@ static int ena_setup_tx_resources(struct ena_adapter *adapter, int qid)
return 0;
err_push_buf_intermediate_buf:
- vfree(tx_ring->free_tx_ids);
- tx_ring->free_tx_ids = NULL;
-err_free_tx_ids:
+ vfree(tx_ring->free_ids);
+ tx_ring->free_ids = NULL;
+err_tx_free_ids:
vfree(tx_ring->tx_buffer_info);
tx_ring->tx_buffer_info = NULL;
err_tx_buffer_info:
@@ -278,8 +278,8 @@ static void ena_free_tx_resources(struct ena_adapter *adapter, int qid)
vfree(tx_ring->tx_buffer_info);
tx_ring->tx_buffer_info = NULL;
- vfree(tx_ring->free_tx_ids);
- tx_ring->free_tx_ids = NULL;
+ vfree(tx_ring->free_ids);
+ tx_ring->free_ids = NULL;
vfree(tx_ring->push_buf_intermediate_buf);
tx_ring->push_buf_intermediate_buf = NULL;
@@ -326,7 +326,7 @@ static void ena_free_all_io_tx_resources(struct ena_adapter *adapter)
ena_free_tx_resources(adapter, i);
}
-static inline int validate_rx_req_id(struct ena_ring *rx_ring, u16 req_id)
+static int validate_rx_req_id(struct ena_ring *rx_ring, u16 req_id)
{
if (likely(req_id < rx_ring->ring_size))
return 0;
@@ -377,10 +377,10 @@ static int ena_setup_rx_resources(struct ena_adapter *adapter,
}
size = sizeof(u16) * rx_ring->ring_size;
- rx_ring->free_rx_ids = vzalloc_node(size, node);
- if (!rx_ring->free_rx_ids) {
- rx_ring->free_rx_ids = vzalloc(size);
- if (!rx_ring->free_rx_ids) {
+ rx_ring->free_ids = vzalloc_node(size, node);
+ if (!rx_ring->free_ids) {
+ rx_ring->free_ids = vzalloc(size);
+ if (!rx_ring->free_ids) {
vfree(rx_ring->rx_buffer_info);
rx_ring->rx_buffer_info = NULL;
return -ENOMEM;
@@ -389,7 +389,7 @@ static int ena_setup_rx_resources(struct ena_adapter *adapter,
/* Req id ring for receiving RX pkts out of order */
for (i = 0; i < rx_ring->ring_size; i++)
- rx_ring->free_rx_ids[i] = i;
+ rx_ring->free_ids[i] = i;
/* Reset rx statistics */
memset(&rx_ring->rx_stats, 0x0, sizeof(rx_ring->rx_stats));
@@ -415,8 +415,8 @@ static void ena_free_rx_resources(struct ena_adapter *adapter,
vfree(rx_ring->rx_buffer_info);
rx_ring->rx_buffer_info = NULL;
- vfree(rx_ring->free_rx_ids);
- rx_ring->free_rx_ids = NULL;
+ vfree(rx_ring->free_ids);
+ rx_ring->free_ids = NULL;
}
/* ena_setup_all_rx_resources - allocate I/O Rx queues resources for all queues
@@ -460,7 +460,7 @@ static void ena_free_all_io_rx_resources(struct ena_adapter *adapter)
ena_free_rx_resources(adapter, i);
}
-static inline int ena_alloc_rx_page(struct ena_ring *rx_ring,
+static int ena_alloc_rx_page(struct ena_ring *rx_ring,
struct ena_rx_buffer *rx_info, gfp_t gfp)
{
struct ena_com_buf *ena_buf;
@@ -531,7 +531,7 @@ static int ena_refill_rx_bufs(struct ena_ring *rx_ring, u32 num)
for (i = 0; i < num; i++) {
struct ena_rx_buffer *rx_info;
- req_id = rx_ring->free_rx_ids[next_to_use];
+ req_id = rx_ring->free_ids[next_to_use];
rc = validate_rx_req_id(rx_ring, req_id);
if (unlikely(rc < 0))
break;
@@ -594,7 +594,6 @@ static void ena_free_rx_bufs(struct ena_adapter *adapter,
/* ena_refill_all_rx_bufs - allocate all queues Rx buffers
* @adapter: board private structure
- *
*/
static void ena_refill_all_rx_bufs(struct ena_adapter *adapter)
{
@@ -621,7 +620,7 @@ static void ena_free_all_rx_bufs(struct ena_adapter *adapter)
ena_free_rx_bufs(adapter, i);
}
-static inline void ena_unmap_tx_skb(struct ena_ring *tx_ring,
+static void ena_unmap_tx_skb(struct ena_ring *tx_ring,
struct ena_tx_buffer *tx_info)
{
struct ena_com_buf *ena_buf;
@@ -797,7 +796,7 @@ static int ena_clean_tx_irq(struct ena_ring *tx_ring, u32 budget)
tx_pkts++;
total_done += tx_info->tx_descs;
- tx_ring->free_tx_ids[next_to_clean] = req_id;
+ tx_ring->free_ids[next_to_clean] = req_id;
next_to_clean = ENA_TX_RING_IDX_NEXT(next_to_clean,
tx_ring->ring_size);
}
@@ -911,7 +910,7 @@ static struct sk_buff *ena_rx_skb(struct ena_ring *rx_ring,
skb_put(skb, len);
skb->protocol = eth_type_trans(skb, rx_ring->netdev);
- rx_ring->free_rx_ids[*next_to_clean] = req_id;
+ rx_ring->free_ids[*next_to_clean] = req_id;
*next_to_clean = ENA_RX_RING_IDX_ADD(*next_to_clean, descs,
rx_ring->ring_size);
return skb;
@@ -935,7 +934,7 @@ static struct sk_buff *ena_rx_skb(struct ena_ring *rx_ring,
rx_info->page = NULL;
- rx_ring->free_rx_ids[*next_to_clean] = req_id;
+ rx_ring->free_ids[*next_to_clean] = req_id;
*next_to_clean =
ENA_RX_RING_IDX_NEXT(*next_to_clean,
rx_ring->ring_size);
@@ -956,7 +955,7 @@ static struct sk_buff *ena_rx_skb(struct ena_ring *rx_ring,
* @ena_rx_ctx: received packet context/metadata
* @skb: skb currently being received and modified
*/
-static inline void ena_rx_checksum(struct ena_ring *rx_ring,
+static void ena_rx_checksum(struct ena_ring *rx_ring,
struct ena_com_rx_ctx *ena_rx_ctx,
struct sk_buff *skb)
{
@@ -1001,6 +1000,9 @@ static inline void ena_rx_checksum(struct ena_ring *rx_ring,
if (likely(ena_rx_ctx->l4_csum_checked)) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
+ u64_stats_update_begin(&rx_ring->syncp);
+ rx_ring->rx_stats.csum_good++;
+ u64_stats_update_end(&rx_ring->syncp);
} else {
u64_stats_update_begin(&rx_ring->syncp);
rx_ring->rx_stats.csum_unchecked++;
@@ -1088,7 +1090,7 @@ static int ena_clean_rx_irq(struct ena_ring *rx_ring, struct napi_struct *napi,
/* exit if we failed to retrieve a buffer */
if (unlikely(!skb)) {
for (i = 0; i < ena_rx_ctx.descs; i++) {
- rx_ring->free_tx_ids[next_to_clean] =
+ rx_ring->free_ids[next_to_clean] =
rx_ring->ena_bufs[i].req_id;
next_to_clean =
ENA_RX_RING_IDX_NEXT(next_to_clean,
@@ -1153,7 +1155,7 @@ error:
return 0;
}
-inline void ena_adjust_intr_moderation(struct ena_ring *rx_ring,
+void ena_adjust_intr_moderation(struct ena_ring *rx_ring,
struct ena_ring *tx_ring)
{
/* We apply adaptive moderation on Rx path only.
@@ -1172,7 +1174,7 @@ inline void ena_adjust_intr_moderation(struct ena_ring *rx_ring,
rx_ring->per_napi_bytes = 0;
}
-static inline void ena_unmask_interrupt(struct ena_ring *tx_ring,
+static void ena_unmask_interrupt(struct ena_ring *tx_ring,
struct ena_ring *rx_ring)
{
struct ena_eth_io_intr_reg intr_reg;
@@ -1192,7 +1194,7 @@ static inline void ena_unmask_interrupt(struct ena_ring *tx_ring,
ena_com_unmask_intr(rx_ring->ena_com_io_cq, &intr_reg);
}
-static inline void ena_update_ring_numa_node(struct ena_ring *tx_ring,
+static void ena_update_ring_numa_node(struct ena_ring *tx_ring,
struct ena_ring *rx_ring)
{
int cpu = get_cpu();
@@ -1635,7 +1637,7 @@ static int ena_create_io_tx_queue(struct ena_adapter *adapter, int qid)
ctx.qid = ena_qid;
ctx.mem_queue_type = ena_dev->tx_mem_queue_type;
ctx.msix_vector = msix_vector;
- ctx.queue_size = adapter->tx_ring_size;
+ ctx.queue_size = tx_ring->ring_size;
ctx.numa_node = cpu_to_node(tx_ring->cpu);
rc = ena_com_create_io_queue(ena_dev, &ctx);
@@ -1702,7 +1704,7 @@ static int ena_create_io_rx_queue(struct ena_adapter *adapter, int qid)
ctx.direction = ENA_COM_IO_QUEUE_DIRECTION_RX;
ctx.mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST;
ctx.msix_vector = msix_vector;
- ctx.queue_size = adapter->rx_ring_size;
+ ctx.queue_size = rx_ring->ring_size;
ctx.numa_node = cpu_to_node(rx_ring->cpu);
rc = ena_com_create_io_queue(ena_dev, &ctx);
@@ -1749,6 +1751,112 @@ create_err:
return rc;
}
+static void set_io_rings_size(struct ena_adapter *adapter,
+ int new_tx_size, int new_rx_size)
+{
+ int i;
+
+ for (i = 0; i < adapter->num_queues; i++) {
+ adapter->tx_ring[i].ring_size = new_tx_size;
+ adapter->rx_ring[i].ring_size = new_rx_size;
+ }
+}
+
+/* This function allows queue allocation to backoff when the system is
+ * low on memory. If there is not enough memory to allocate io queues
+ * the driver will try to allocate smaller queues.
+ *
+ * The backoff algorithm is as follows:
+ * 1. Try to allocate TX and RX and if successful.
+ * 1.1. return success
+ *
+ * 2. Divide by 2 the size of the larger of RX and TX queues (or both if their size is the same).
+ *
+ * 3. If TX or RX is smaller than 256
+ * 3.1. return failure.
+ * 4. else
+ * 4.1. go back to 1.
+ */
+static int create_queues_with_size_backoff(struct ena_adapter *adapter)
+{
+ int rc, cur_rx_ring_size, cur_tx_ring_size;
+ int new_rx_ring_size, new_tx_ring_size;
+
+ /* current queue sizes might be set to smaller than the requested
+ * ones due to past queue allocation failures.
+ */
+ set_io_rings_size(adapter, adapter->requested_tx_ring_size,
+ adapter->requested_rx_ring_size);
+
+ while (1) {
+ rc = ena_setup_all_tx_resources(adapter);
+ if (rc)
+ goto err_setup_tx;
+
+ rc = ena_create_all_io_tx_queues(adapter);
+ if (rc)
+ goto err_create_tx_queues;
+
+ rc = ena_setup_all_rx_resources(adapter);
+ if (rc)
+ goto err_setup_rx;
+
+ rc = ena_create_all_io_rx_queues(adapter);
+ if (rc)
+ goto err_create_rx_queues;
+
+ return 0;
+
+err_create_rx_queues:
+ ena_free_all_io_rx_resources(adapter);
+err_setup_rx:
+ ena_destroy_all_tx_queues(adapter);
+err_create_tx_queues:
+ ena_free_all_io_tx_resources(adapter);
+err_setup_tx:
+ if (rc != -ENOMEM) {
+ netif_err(adapter, ifup, adapter->netdev,
+ "Queue creation failed with error code %d\n",
+ rc);
+ return rc;
+ }
+
+ cur_tx_ring_size = adapter->tx_ring[0].ring_size;
+ cur_rx_ring_size = adapter->rx_ring[0].ring_size;
+
+ netif_err(adapter, ifup, adapter->netdev,
+ "Not enough memory to create queues with sizes TX=%d, RX=%d\n",
+ cur_tx_ring_size, cur_rx_ring_size);
+
+ new_tx_ring_size = cur_tx_ring_size;
+ new_rx_ring_size = cur_rx_ring_size;
+
+ /* Decrease the size of the larger queue, or
+ * decrease both if they are the same size.
+ */
+ if (cur_rx_ring_size <= cur_tx_ring_size)
+ new_tx_ring_size = cur_tx_ring_size / 2;
+ if (cur_rx_ring_size >= cur_tx_ring_size)
+ new_rx_ring_size = cur_rx_ring_size / 2;
+
+ if (new_tx_ring_size < ENA_MIN_RING_SIZE ||
+ new_rx_ring_size < ENA_MIN_RING_SIZE) {
+ netif_err(adapter, ifup, adapter->netdev,
+ "Queue creation failed with the smallest possible queue size of %d for both queues. Not retrying with smaller queues\n",
+ ENA_MIN_RING_SIZE);
+ return rc;
+ }
+
+ netif_err(adapter, ifup, adapter->netdev,
+ "Retrying queue creation with sizes TX=%d, RX=%d\n",
+ new_tx_ring_size,
+ new_rx_ring_size);
+
+ set_io_rings_size(adapter, new_tx_ring_size,
+ new_rx_ring_size);
+ }
+}
+
static int ena_up(struct ena_adapter *adapter)
{
int rc, i;
@@ -1768,25 +1876,9 @@ static int ena_up(struct ena_adapter *adapter)
if (rc)
goto err_req_irq;
- /* allocate transmit descriptors */
- rc = ena_setup_all_tx_resources(adapter);
+ rc = create_queues_with_size_backoff(adapter);
if (rc)
- goto err_setup_tx;
-
- /* allocate receive descriptors */
- rc = ena_setup_all_rx_resources(adapter);
- if (rc)
- goto err_setup_rx;
-
- /* Create TX queues */
- rc = ena_create_all_io_tx_queues(adapter);
- if (rc)
- goto err_create_tx_queues;
-
- /* Create RX queues */
- rc = ena_create_all_io_rx_queues(adapter);
- if (rc)
- goto err_create_rx_queues;
+ goto err_create_queues_with_backoff;
rc = ena_up_complete(adapter);
if (rc)
@@ -1815,14 +1907,11 @@ static int ena_up(struct ena_adapter *adapter)
return rc;
err_up:
- ena_destroy_all_rx_queues(adapter);
-err_create_rx_queues:
ena_destroy_all_tx_queues(adapter);
-err_create_tx_queues:
- ena_free_all_io_rx_resources(adapter);
-err_setup_rx:
ena_free_all_io_tx_resources(adapter);
-err_setup_tx:
+ ena_destroy_all_rx_queues(adapter);
+ ena_free_all_io_rx_resources(adapter);
+err_create_queues_with_backoff:
ena_free_io_irq(adapter);
err_req_irq:
ena_del_napi(adapter);
@@ -1942,6 +2031,20 @@ static int ena_close(struct net_device *netdev)
return 0;
}
+int ena_update_queue_sizes(struct ena_adapter *adapter,
+ u32 new_tx_size,
+ u32 new_rx_size)
+{
+ bool dev_up;
+
+ dev_up = test_bit(ENA_FLAG_DEV_UP, &adapter->flags);
+ ena_close(adapter->netdev);
+ adapter->requested_tx_ring_size = new_tx_size;
+ adapter->requested_rx_ring_size = new_rx_size;
+ ena_init_io_rings(adapter);
+ return dev_up ? ena_up(adapter) : 0;
+}
+
static void ena_tx_csum(struct ena_com_tx_ctx *ena_tx_ctx, struct sk_buff *skb)
{
u32 mss = skb_shinfo(skb)->gso_size;
@@ -2152,7 +2255,7 @@ static netdev_tx_t ena_start_xmit(struct sk_buff *skb, struct net_device *dev)
skb_tx_timestamp(skb);
next_to_use = tx_ring->next_to_use;
- req_id = tx_ring->free_tx_ids[next_to_use];
+ req_id = tx_ring->free_ids[next_to_use];
tx_info = &tx_ring->tx_buffer_info[req_id];
tx_info->num_of_bufs = 0;
@@ -2172,6 +2275,13 @@ static netdev_tx_t ena_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* set flags and meta data */
ena_tx_csum(&ena_tx_ctx, skb);
+ if (unlikely(ena_com_is_doorbell_needed(tx_ring->ena_com_io_sq, &ena_tx_ctx))) {
+ netif_dbg(adapter, tx_queued, dev,
+ "llq tx max burst size of queue %d achieved, writing doorbell to send burst\n",
+ qid);
+ ena_com_write_sq_doorbell(tx_ring->ena_com_io_sq);
+ }
+
/* prepare the packet's descriptors to dma engine */
rc = ena_com_prepare_tx(tx_ring->ena_com_io_sq, &ena_tx_ctx,
&nb_hw_desc);
@@ -2447,13 +2557,6 @@ static int ena_device_validate_params(struct ena_adapter *adapter,
return -EINVAL;
}
- if ((get_feat_ctx->max_queues.max_cq_num < adapter->num_queues) ||
- (get_feat_ctx->max_queues.max_sq_num < adapter->num_queues)) {
- netif_err(adapter, drv, netdev,
- "Error, device doesn't support enough queues\n");
- return -EINVAL;
- }
-
if (get_feat_ctx->dev_attr.max_mtu < netdev->mtu) {
netif_err(adapter, drv, netdev,
"Error, device max mtu is smaller than netdev MTU\n");
@@ -3027,18 +3130,32 @@ static int ena_calc_io_queue_num(struct pci_dev *pdev,
struct ena_com_dev *ena_dev,
struct ena_com_dev_get_features_ctx *get_feat_ctx)
{
- int io_sq_num, io_queue_num;
+ int io_tx_sq_num, io_tx_cq_num, io_rx_num, io_queue_num;
- /* In case of LLQ use the llq number in the get feature cmd */
+ if (ena_dev->supported_features & BIT(ENA_ADMIN_MAX_QUEUES_EXT)) {
+ struct ena_admin_queue_ext_feature_fields *max_queue_ext =
+ &get_feat_ctx->max_queue_ext.max_queue_ext;
+ io_rx_num = min_t(int, max_queue_ext->max_rx_sq_num,
+ max_queue_ext->max_rx_cq_num);
+
+ io_tx_sq_num = max_queue_ext->max_tx_sq_num;
+ io_tx_cq_num = max_queue_ext->max_tx_cq_num;
+ } else {
+ struct ena_admin_queue_feature_desc *max_queues =
+ &get_feat_ctx->max_queues;
+ io_tx_sq_num = max_queues->max_sq_num;
+ io_tx_cq_num = max_queues->max_cq_num;
+ io_rx_num = min_t(int, io_tx_sq_num, io_tx_cq_num);
+ }
+
+ /* In case of LLQ use the llq fields for the tx SQ/CQ */
if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV)
- io_sq_num = get_feat_ctx->llq.max_llq_num;
- else
- io_sq_num = get_feat_ctx->max_queues.max_sq_num;
+ io_tx_sq_num = get_feat_ctx->llq.max_llq_num;
io_queue_num = min_t(int, num_online_cpus(), ENA_MAX_NUM_IO_QUEUES);
- io_queue_num = min_t(int, io_queue_num, io_sq_num);
- io_queue_num = min_t(int, io_queue_num,
- get_feat_ctx->max_queues.max_cq_num);
+ io_queue_num = min_t(int, io_queue_num, io_rx_num);
+ io_queue_num = min_t(int, io_queue_num, io_tx_sq_num);
+ io_queue_num = min_t(int, io_queue_num, io_tx_cq_num);
/* 1 IRQ for for mgmnt and 1 IRQs for each IO direction */
io_queue_num = min_t(int, io_queue_num, pci_msix_vec_count(pdev) - 1);
if (unlikely(!io_queue_num)) {
@@ -3212,7 +3329,7 @@ static void ena_release_bars(struct ena_com_dev *ena_dev, struct pci_dev *pdev)
pci_release_selected_regions(pdev, release_bars);
}
-static inline void set_default_llq_configurations(struct ena_llq_configurations *llq_config)
+static void set_default_llq_configurations(struct ena_llq_configurations *llq_config)
{
llq_config->llq_header_location = ENA_ADMIN_INLINE_HEADER;
llq_config->llq_ring_entry_size = ENA_ADMIN_LIST_ENTRY_SIZE_128B;
@@ -3221,36 +3338,70 @@ static inline void set_default_llq_configurations(struct ena_llq_configurations
llq_config->llq_ring_entry_size_value = 128;
}
-static int ena_calc_queue_size(struct pci_dev *pdev,
- struct ena_com_dev *ena_dev,
- u16 *max_tx_sgl_size,
- u16 *max_rx_sgl_size,
- struct ena_com_dev_get_features_ctx *get_feat_ctx)
+static int ena_calc_queue_size(struct ena_calc_queue_size_ctx *ctx)
{
- u32 queue_size = ENA_DEFAULT_RING_SIZE;
+ struct ena_admin_feature_llq_desc *llq = &ctx->get_feat_ctx->llq;
+ struct ena_com_dev *ena_dev = ctx->ena_dev;
+ u32 tx_queue_size = ENA_DEFAULT_RING_SIZE;
+ u32 rx_queue_size = ENA_DEFAULT_RING_SIZE;
+ u32 max_tx_queue_size;
+ u32 max_rx_queue_size;
- queue_size = min_t(u32, queue_size,
- get_feat_ctx->max_queues.max_cq_depth);
- queue_size = min_t(u32, queue_size,
- get_feat_ctx->max_queues.max_sq_depth);
+ if (ctx->ena_dev->supported_features & BIT(ENA_ADMIN_MAX_QUEUES_EXT)) {
+ struct ena_admin_queue_ext_feature_fields *max_queue_ext =
+ &ctx->get_feat_ctx->max_queue_ext.max_queue_ext;
+ max_rx_queue_size = min_t(u32, max_queue_ext->max_rx_cq_depth,
+ max_queue_ext->max_rx_sq_depth);
+ max_tx_queue_size = max_queue_ext->max_tx_cq_depth;
- if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV)
- queue_size = min_t(u32, queue_size,
- get_feat_ctx->llq.max_llq_depth);
+ if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV)
+ max_tx_queue_size = min_t(u32, max_tx_queue_size,
+ llq->max_llq_depth);
+ else
+ max_tx_queue_size = min_t(u32, max_tx_queue_size,
+ max_queue_ext->max_tx_sq_depth);
- queue_size = rounddown_pow_of_two(queue_size);
+ ctx->max_tx_sgl_size = min_t(u16, ENA_PKT_MAX_BUFS,
+ max_queue_ext->max_per_packet_tx_descs);
+ ctx->max_rx_sgl_size = min_t(u16, ENA_PKT_MAX_BUFS,
+ max_queue_ext->max_per_packet_rx_descs);
+ } else {
+ struct ena_admin_queue_feature_desc *max_queues =
+ &ctx->get_feat_ctx->max_queues;
+ max_rx_queue_size = min_t(u32, max_queues->max_cq_depth,
+ max_queues->max_sq_depth);
+ max_tx_queue_size = max_queues->max_cq_depth;
+
+ if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV)
+ max_tx_queue_size = min_t(u32, max_tx_queue_size,
+ llq->max_llq_depth);
+ else
+ max_tx_queue_size = min_t(u32, max_tx_queue_size,
+ max_queues->max_sq_depth);
- if (unlikely(!queue_size)) {
- dev_err(&pdev->dev, "Invalid queue size\n");
- return -EFAULT;
+ ctx->max_tx_sgl_size = min_t(u16, ENA_PKT_MAX_BUFS,
+ max_queues->max_packet_tx_descs);
+ ctx->max_rx_sgl_size = min_t(u16, ENA_PKT_MAX_BUFS,
+ max_queues->max_packet_rx_descs);
}
- *max_tx_sgl_size = min_t(u16, ENA_PKT_MAX_BUFS,
- get_feat_ctx->max_queues.max_packet_tx_descs);
- *max_rx_sgl_size = min_t(u16, ENA_PKT_MAX_BUFS,
- get_feat_ctx->max_queues.max_packet_rx_descs);
+ max_tx_queue_size = rounddown_pow_of_two(max_tx_queue_size);
+ max_rx_queue_size = rounddown_pow_of_two(max_rx_queue_size);
+
+ tx_queue_size = clamp_val(tx_queue_size, ENA_MIN_RING_SIZE,
+ max_tx_queue_size);
+ rx_queue_size = clamp_val(rx_queue_size, ENA_MIN_RING_SIZE,
+ max_rx_queue_size);
- return queue_size;
+ tx_queue_size = rounddown_pow_of_two(tx_queue_size);
+ rx_queue_size = rounddown_pow_of_two(rx_queue_size);
+
+ ctx->max_tx_queue_size = max_tx_queue_size;
+ ctx->max_rx_queue_size = max_rx_queue_size;
+ ctx->tx_queue_size = tx_queue_size;
+ ctx->rx_queue_size = rx_queue_size;
+
+ return 0;
}
/* ena_probe - Device Initialization Routine
@@ -3266,23 +3417,19 @@ static int ena_calc_queue_size(struct pci_dev *pdev,
static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct ena_com_dev_get_features_ctx get_feat_ctx;
- static int version_printed;
- struct net_device *netdev;
- struct ena_adapter *adapter;
+ struct ena_calc_queue_size_ctx calc_queue_ctx = { 0 };
struct ena_llq_configurations llq_config;
struct ena_com_dev *ena_dev = NULL;
- char *queue_type_str;
- static int adapters_found;
+ struct ena_adapter *adapter;
int io_queue_num, bars, rc;
- int queue_size;
- u16 tx_sgl_size = 0;
- u16 rx_sgl_size = 0;
+ struct net_device *netdev;
+ static int adapters_found;
+ char *queue_type_str;
bool wd_state;
dev_dbg(&pdev->dev, "%s\n", __func__);
- if (version_printed++ == 0)
- dev_info(&pdev->dev, "%s", version);
+ dev_info_once(&pdev->dev, "%s", version);
rc = pci_enable_device_mem(pdev);
if (rc) {
@@ -3334,20 +3481,25 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_device_destroy;
}
+ calc_queue_ctx.ena_dev = ena_dev;
+ calc_queue_ctx.get_feat_ctx = &get_feat_ctx;
+ calc_queue_ctx.pdev = pdev;
+
/* initial Tx interrupt delay, Assumes 1 usec granularity.
* Updated during device initialization with the real granularity
*/
ena_dev->intr_moder_tx_interval = ENA_INTR_INITIAL_TX_INTERVAL_USECS;
io_queue_num = ena_calc_io_queue_num(pdev, ena_dev, &get_feat_ctx);
- queue_size = ena_calc_queue_size(pdev, ena_dev, &tx_sgl_size,
- &rx_sgl_size, &get_feat_ctx);
- if ((queue_size <= 0) || (io_queue_num <= 0)) {
+ rc = ena_calc_queue_size(&calc_queue_ctx);
+ if (rc || io_queue_num <= 0) {
rc = -EFAULT;
goto err_device_destroy;
}
- dev_info(&pdev->dev, "creating %d io queues. queue size: %d. LLQ is %s\n",
- io_queue_num, queue_size,
+ dev_info(&pdev->dev, "creating %d io queues. rx queue size: %d tx queue size. %d LLQ is %s\n",
+ io_queue_num,
+ calc_queue_ctx.rx_queue_size,
+ calc_queue_ctx.tx_queue_size,
(ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) ?
"ENABLED" : "DISABLED");
@@ -3373,11 +3525,12 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
adapter->reset_reason = ENA_REGS_RESET_NORMAL;
- adapter->tx_ring_size = queue_size;
- adapter->rx_ring_size = queue_size;
-
- adapter->max_tx_sgl_size = tx_sgl_size;
- adapter->max_rx_sgl_size = rx_sgl_size;
+ adapter->requested_tx_ring_size = calc_queue_ctx.tx_queue_size;
+ adapter->requested_rx_ring_size = calc_queue_ctx.rx_queue_size;
+ adapter->max_tx_ring_size = calc_queue_ctx.max_tx_queue_size;
+ adapter->max_rx_ring_size = calc_queue_ctx.max_rx_queue_size;
+ adapter->max_tx_sgl_size = calc_queue_ctx.max_tx_sgl_size;
+ adapter->max_rx_sgl_size = calc_queue_ctx.max_rx_sgl_size;
adapter->num_queues = io_queue_num;
adapter->last_monitored_tx_qid = 0;
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.h b/drivers/net/ethernet/amazon/ena/ena_netdev.h
index 63870072cbbd..efbcffd22215 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.h
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.h
@@ -44,8 +44,8 @@
#include "ena_eth_com.h"
#define DRV_MODULE_VER_MAJOR 2
-#define DRV_MODULE_VER_MINOR 0
-#define DRV_MODULE_VER_SUBMINOR 3
+#define DRV_MODULE_VER_MINOR 1
+#define DRV_MODULE_VER_SUBMINOR 0
#define DRV_MODULE_NAME "ena"
#ifndef DRV_MODULE_VERSION
@@ -79,6 +79,7 @@
#define ENA_BAR_MASK (BIT(ENA_REG_BAR) | BIT(ENA_MEM_BAR))
#define ENA_DEFAULT_RING_SIZE (1024)
+#define ENA_MIN_RING_SIZE (256)
#define ENA_TX_WAKEUP_THRESH (MAX_SKB_FRAGS + 2)
#define ENA_DEFAULT_RX_COPYBREAK (256 - NET_IP_ALIGN)
@@ -154,6 +155,18 @@ struct ena_napi {
u32 qid;
};
+struct ena_calc_queue_size_ctx {
+ struct ena_com_dev_get_features_ctx *get_feat_ctx;
+ struct ena_com_dev *ena_dev;
+ struct pci_dev *pdev;
+ u16 tx_queue_size;
+ u16 rx_queue_size;
+ u16 max_tx_queue_size;
+ u16 max_rx_queue_size;
+ u16 max_tx_sgl_size;
+ u16 max_rx_sgl_size;
+};
+
struct ena_tx_buffer {
struct sk_buff *skb;
/* num of ena desc for this specific skb
@@ -208,26 +221,24 @@ struct ena_stats_tx {
struct ena_stats_rx {
u64 cnt;
u64 bytes;
+ u64 rx_copybreak_pkt;
+ u64 csum_good;
u64 refil_partial;
u64 bad_csum;
u64 page_alloc_fail;
u64 skb_alloc_fail;
u64 dma_mapping_err;
u64 bad_desc_num;
- u64 rx_copybreak_pkt;
u64 bad_req_id;
u64 empty_rx_ring;
u64 csum_unchecked;
};
struct ena_ring {
- union {
- /* Holds the empty requests for TX/RX
- * out of order completions
- */
- u16 *free_tx_ids;
- u16 *free_rx_ids;
- };
+ /* Holds the empty requests for TX/RX
+ * out of order completions
+ */
+ u16 *free_ids;
union {
struct ena_tx_buffer *tx_buffer_info;
@@ -321,8 +332,11 @@ struct ena_adapter {
u32 tx_usecs, rx_usecs; /* interrupt moderation */
u32 tx_frames, rx_frames; /* interrupt moderation */
- u32 tx_ring_size;
- u32 rx_ring_size;
+ u32 requested_tx_ring_size;
+ u32 requested_rx_ring_size;
+
+ u32 max_tx_ring_size;
+ u32 max_rx_ring_size;
u32 msg_enable;
@@ -372,6 +386,10 @@ void ena_dump_stats_to_dmesg(struct ena_adapter *adapter);
void ena_dump_stats_to_buf(struct ena_adapter *adapter, u8 *buf);
+int ena_update_queue_sizes(struct ena_adapter *adapter,
+ u32 new_tx_size,
+ u32 new_rx_size);
+
int ena_get_sset_count(struct net_device *netdev, int sset);
#endif /* !(ENA_H) */
diff --git a/drivers/net/ethernet/amd/am79c961a.c b/drivers/net/ethernet/amd/am79c961a.c
index 265039c57023..0842da492a64 100644
--- a/drivers/net/ethernet/amd/am79c961a.c
+++ b/drivers/net/ethernet/amd/am79c961a.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/drivers/net/ethernet/amd/am79c961a.c
*
* by Russell King <rmk@arm.linux.org.uk> 1995-2001.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
* Derived from various things including skeleton.c
*
* This is a special driver for the am79c961A Lance chip used in the
diff --git a/drivers/net/ethernet/amd/am79c961a.h b/drivers/net/ethernet/amd/am79c961a.h
index fc5088c70731..73679e053ceb 100644
--- a/drivers/net/ethernet/amd/am79c961a.h
+++ b/drivers/net/ethernet/amd/am79c961a.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* linux/drivers/net/ethernet/amd/am79c961a.h
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef _LINUX_am79c961a_H
diff --git a/drivers/net/ethernet/amd/au1000_eth.c b/drivers/net/ethernet/amd/au1000_eth.c
index e5073aeea06a..650d1bae5f56 100644
--- a/drivers/net/ethernet/amd/au1000_eth.c
+++ b/drivers/net/ethernet/amd/au1000_eth.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
*
* Alchemy Au1x00 ethernet driver
@@ -14,24 +15,6 @@
*
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
- *
- * ########################################################################
- *
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, see <http://www.gnu.org/licenses/>.
- *
- * ########################################################################
- *
- *
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
diff --git a/drivers/net/ethernet/amd/au1000_eth.h b/drivers/net/ethernet/amd/au1000_eth.h
index 4c47c2377d74..e3a3ed29db61 100644
--- a/drivers/net/ethernet/amd/au1000_eth.h
+++ b/drivers/net/ethernet/amd/au1000_eth.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
*
* Alchemy Au1x00 ethernet driver include file
@@ -5,24 +6,6 @@
* Author: Pete Popov <ppopov@mvista.com>
*
* Copyright 2001 MontaVista Software Inc.
- *
- * ########################################################################
- *
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, see <http://www.gnu.org/licenses/>.
- *
- * ########################################################################
- *
- *
*/
diff --git a/drivers/net/ethernet/apple/bmac.h b/drivers/net/ethernet/apple/bmac.h
index a1d19d867ba5..f8826c4ce792 100644
--- a/drivers/net/ethernet/apple/bmac.h
+++ b/drivers/net/ethernet/apple/bmac.h
@@ -1,13 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* mace.h - definitions for the registers in the "Big Mac"
* Ethernet controller found in PowerMac G3 models.
*
* Copyright (C) 1998 Randy Gobbel.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
/* The "Big MAC" appears to have some parts in common with the Sun "Happy Meal"
diff --git a/drivers/net/ethernet/apple/mace.h b/drivers/net/ethernet/apple/mace.h
index 30b7ec0cedb5..697f71cf1937 100644
--- a/drivers/net/ethernet/apple/mace.h
+++ b/drivers/net/ethernet/apple/mace.h
@@ -1,13 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* mace.h - definitions for the registers in the Am79C940 MACE
* (Medium Access Control for Ethernet) controller.
*
* Copyright (C) 1996 Paul Mackerras.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#define REG(x) volatile unsigned char x; char x ## _pad[15]
diff --git a/drivers/net/ethernet/apple/macmace.c b/drivers/net/ethernet/apple/macmace.c
index 376f2c2613e7..8d03578d5e8c 100644
--- a/drivers/net/ethernet/apple/macmace.c
+++ b/drivers/net/ethernet/apple/macmace.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Driver for the Macintosh 68K onboard MACE controller with PSC
* driven DMA. The MACE driver code is derived from mace.c. The
* Mac68k theory of operation is courtesy of the MacBSD wizards.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* Copyright (C) 1996 Paul Mackerras.
* Copyright (C) 1998 Alan Cox <alan@lxorguk.ukuu.org.uk>
*
diff --git a/drivers/net/ethernet/aquantia/atlantic/Makefile b/drivers/net/ethernet/aquantia/atlantic/Makefile
index 1f99cf832476..131cab855be7 100644
--- a/drivers/net/ethernet/aquantia/atlantic/Makefile
+++ b/drivers/net/ethernet/aquantia/atlantic/Makefile
@@ -1,23 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0-only
################################################################################
#
# aQuantia Ethernet Controller AQtion Linux Driver
# Copyright(c) 2014-2017 aQuantia Corporation.
#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-# more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-# The full GNU General Public License is included in this distribution in
-# the file called "COPYING".
-#
# Contact Information: <rdc-drv@aquantia.com>
# aQuantia Corporation, 105 E. Tasman Dr. San Jose, CA 95134, USA
#
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h b/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h
index 8f35c3f883f0..02f1b70c4e25 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File aq_cfg.h: Definition of configuration parameters and constants. */
@@ -12,6 +9,8 @@
#ifndef AQ_CFG_H
#define AQ_CFG_H
+#include <generated/utsrelease.h>
+
#define AQ_CFG_VECS_DEF 8U
#define AQ_CFG_TCS_DEF 1U
@@ -89,10 +88,7 @@
#define AQ_CFG_DRV_AUTHOR "aQuantia"
#define AQ_CFG_DRV_DESC "aQuantia Corporation(R) Network Driver"
#define AQ_CFG_DRV_NAME "atlantic"
-#define AQ_CFG_DRV_VERSION __stringify(NIC_MAJOR_DRIVER_VERSION)"."\
- __stringify(NIC_MINOR_DRIVER_VERSION)"."\
- __stringify(NIC_BUILD_DRIVER_VERSION)"."\
- __stringify(NIC_REVISION_DRIVER_VERSION) \
+#define AQ_CFG_DRV_VERSION UTS_RELEASE \
AQ_CFG_DRV_VERSION_SUFFIX
#endif /* AQ_CFG_H */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_common.h b/drivers/net/ethernet/aquantia/atlantic/aq_common.h
index 235bb3a72d66..42ea8d8daa46 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_common.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_common.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File aq_common.h: Basic includes for all files in project. */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.c b/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.c
index adad6a7acabe..6da65099047d 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
+// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (C) 2014-2019 aQuantia Corporation. */
/* File aq_drvinfo.c: Definition of common code for firmware info in sys.*/
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.h b/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.h
index 41fbb1358068..23a0487893a7 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (C) 2014-2017 aQuantia Corporation. */
/* File aq_drvinfo.h: Declaration of common code for firmware info in sys.*/
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
index 79da48094770..24df132384fb 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File aq_ethtool.c: Definition of ethertool related functions. */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.h b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.h
index 21c126eeb5eb..632b5531db4a 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File aq_ethtool.h: Declaration of ethertool related functions. */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_filters.c b/drivers/net/ethernet/aquantia/atlantic/aq_filters.c
index 18bc035da850..440690b18734 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_filters.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_filters.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
+// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (C) 2014-2017 aQuantia Corporation. */
/* File aq_filters.c: RX filters related functions. */
@@ -843,9 +843,14 @@ int aq_filters_vlans_update(struct aq_nic_s *aq_nic)
return err;
if (aq_nic->ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) {
- if (hweight < AQ_VLAN_MAX_FILTERS)
- err = aq_hw_ops->hw_filter_vlan_ctrl(aq_hw, true);
+ if (hweight < AQ_VLAN_MAX_FILTERS && hweight > 0) {
+ err = aq_hw_ops->hw_filter_vlan_ctrl(aq_hw,
+ !(aq_nic->packet_filter & IFF_PROMISC));
+ aq_nic->aq_nic_cfg.is_vlan_force_promisc = false;
+ } else {
/* otherwise left in promiscue mode */
+ aq_nic->aq_nic_cfg.is_vlan_force_promisc = true;
+ }
}
return err;
@@ -866,6 +871,7 @@ int aq_filters_vlan_offload_off(struct aq_nic_s *aq_nic)
if (unlikely(!aq_hw_ops->hw_filter_vlan_ctrl))
return -EOPNOTSUPP;
+ aq_nic->aq_nic_cfg.is_vlan_force_promisc = true;
err = aq_hw_ops->hw_filter_vlan_ctrl(aq_hw, false);
if (err)
return err;
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_filters.h b/drivers/net/ethernet/aquantia/atlantic/aq_filters.h
index c6a08c6585d5..122e06c88a33 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_filters.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_filters.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (C) 2014-2017 aQuantia Corporation. */
/* File aq_filters.h: RX filters related functions. */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
index 95fd6c852a9d..53d7478689a0 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File aq_hw.h: Declaration of abstract interface for NIC hardware specific
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.c b/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.c
index 22a1c784dc9c..9c7a226d81b6 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File aq_hw_utils.c: Definitions of helper functions used across
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.h b/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.h
index bf73428ed689..9ef82d487e01 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File aq_hw_utils.h: Declaration of helper functions used across hardware
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_main.c b/drivers/net/ethernet/aquantia/atlantic/aq_main.c
index 1ea8b77fc1a7..100722ad5c2d 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_main.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_main.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File aq_main.c: Main file for aQuantia Linux driver. */
@@ -111,11 +108,16 @@ err_exit:
static int aq_ndev_set_features(struct net_device *ndev,
netdev_features_t features)
{
+ bool is_vlan_rx_strip = !!(features & NETIF_F_HW_VLAN_CTAG_RX);
+ bool is_vlan_tx_insert = !!(features & NETIF_F_HW_VLAN_CTAG_TX);
struct aq_nic_s *aq_nic = netdev_priv(ndev);
- struct aq_nic_cfg_s *aq_cfg = aq_nic_get_cfg(aq_nic);
+ bool need_ndev_restart = false;
+ struct aq_nic_cfg_s *aq_cfg;
bool is_lro = false;
int err = 0;
+ aq_cfg = aq_nic_get_cfg(aq_nic);
+
if (!(features & NETIF_F_NTUPLE)) {
if (aq_nic->ndev->features & NETIF_F_NTUPLE) {
err = aq_clear_rxnfc_all_rules(aq_nic);
@@ -138,17 +140,32 @@ static int aq_ndev_set_features(struct net_device *ndev,
if (aq_cfg->is_lro != is_lro) {
aq_cfg->is_lro = is_lro;
-
- if (netif_running(ndev)) {
- aq_ndev_close(ndev);
- aq_ndev_open(ndev);
- }
+ need_ndev_restart = true;
}
}
- if ((aq_nic->ndev->features ^ features) & NETIF_F_RXCSUM)
+
+ if ((aq_nic->ndev->features ^ features) & NETIF_F_RXCSUM) {
err = aq_nic->aq_hw_ops->hw_set_offload(aq_nic->aq_hw,
aq_cfg);
+ if (unlikely(err))
+ goto err_exit;
+ }
+
+ if (aq_cfg->is_vlan_rx_strip != is_vlan_rx_strip) {
+ aq_cfg->is_vlan_rx_strip = is_vlan_rx_strip;
+ need_ndev_restart = true;
+ }
+ if (aq_cfg->is_vlan_tx_insert != is_vlan_tx_insert) {
+ aq_cfg->is_vlan_tx_insert = is_vlan_tx_insert;
+ need_ndev_restart = true;
+ }
+
+ if (need_ndev_restart && netif_running(ndev)) {
+ aq_ndev_close(ndev);
+ aq_ndev_open(ndev);
+ }
+
err_exit:
return err;
}
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_main.h b/drivers/net/ethernet/aquantia/atlantic/aq_main.h
index 5448b82fb7ea..a5a624b9ce73 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_main.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_main.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File aq_main.h: Main file for aQuantia Linux driver. */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
index e82d25a91bc1..e1392766e21e 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File aq_nic.c: Definition of common code for NIC. */
@@ -129,6 +126,9 @@ void aq_nic_cfg_start(struct aq_nic_s *self)
cfg->link_speed_msk &= cfg->aq_hw_caps->link_speed_msk;
cfg->features = cfg->aq_hw_caps->hw_features;
+ cfg->is_vlan_rx_strip = !!(cfg->features & NETIF_F_HW_VLAN_CTAG_RX);
+ cfg->is_vlan_tx_insert = !!(cfg->features & NETIF_F_HW_VLAN_CTAG_TX);
+ cfg->is_vlan_force_promisc = true;
}
static int aq_nic_update_link_status(struct aq_nic_s *self)
@@ -288,7 +288,8 @@ void aq_nic_ndev_init(struct aq_nic_s *self)
self->ndev->hw_features |= aq_hw_caps->hw_features;
self->ndev->features = aq_hw_caps->hw_features;
self->ndev->vlan_features |= NETIF_F_HW_CSUM | NETIF_F_RXCSUM |
- NETIF_F_RXHASH | NETIF_F_SG | NETIF_F_LRO;
+ NETIF_F_RXHASH | NETIF_F_SG |
+ NETIF_F_LRO | NETIF_F_TSO;
self->ndev->priv_flags = aq_hw_caps->hw_priv_flags;
self->ndev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
@@ -429,26 +430,37 @@ static unsigned int aq_nic_map_skb(struct aq_nic_s *self,
unsigned int dx = ring->sw_tail;
struct aq_ring_buff_s *first = NULL;
struct aq_ring_buff_s *dx_buff = &ring->buff_ring[dx];
+ bool need_context_tag = false;
+
+ dx_buff->flags = 0U;
if (unlikely(skb_is_gso(skb))) {
- dx_buff->flags = 0U;
+ dx_buff->mss = skb_shinfo(skb)->gso_size;
+ dx_buff->is_gso = 1U;
dx_buff->len_pkt = skb->len;
dx_buff->len_l2 = ETH_HLEN;
dx_buff->len_l3 = ip_hdrlen(skb);
dx_buff->len_l4 = tcp_hdrlen(skb);
- dx_buff->mss = skb_shinfo(skb)->gso_size;
- dx_buff->is_txc = 1U;
dx_buff->eop_index = 0xffffU;
-
dx_buff->is_ipv6 =
(ip_hdr(skb)->version == 6) ? 1U : 0U;
+ need_context_tag = true;
+ }
+
+ if (self->aq_nic_cfg.is_vlan_tx_insert && skb_vlan_tag_present(skb)) {
+ dx_buff->vlan_tx_tag = skb_vlan_tag_get(skb);
+ dx_buff->len_pkt = skb->len;
+ dx_buff->is_vlan = 1U;
+ need_context_tag = true;
+ }
+ if (need_context_tag) {
dx = aq_ring_next_dx(ring, dx);
dx_buff = &ring->buff_ring[dx];
+ dx_buff->flags = 0U;
++ret;
}
- dx_buff->flags = 0U;
dx_buff->len = skb_headlen(skb);
dx_buff->pa = dma_map_single(aq_nic_get_dev(self),
skb->data,
@@ -537,7 +549,7 @@ mapping_error:
--ret, dx = aq_ring_next_dx(ring, dx)) {
dx_buff = &ring->buff_ring[dx];
- if (!dx_buff->is_txc && dx_buff->pa) {
+ if (!dx_buff->is_gso && !dx_buff->is_vlan && dx_buff->pa) {
if (unlikely(dx_buff->is_sop)) {
dma_unmap_single(aq_nic_get_dev(self),
dx_buff->pa,
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
index c03d38ed105d..255b54a6ae07 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File aq_nic.h: Declaration of common code for NIC. */
@@ -38,6 +35,9 @@ struct aq_nic_cfg_s {
u32 flow_control;
u32 link_speed_msk;
u32 wol;
+ u8 is_vlan_rx_strip;
+ u8 is_vlan_tx_insert;
+ bool is_vlan_force_promisc;
u16 is_mc_list_enabled;
u16 mc_list_count;
bool is_autoneg;
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
index 9cb0864d6d8d..74b9f3f1da81 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File aq_pci_func.c: Definition of PCI functions. */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.h b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.h
index 670f9a940d65..77be7ee0d7b3 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File aq_pci_func.h: Declaration of PCI functions. */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
index 350e385528fd..3901d7994ca1 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File aq_ring.c: Definition of functions for Rx/Tx rings. */
@@ -223,10 +220,10 @@ void aq_ring_queue_stop(struct aq_ring_s *ring)
bool aq_ring_tx_clean(struct aq_ring_s *self)
{
struct device *dev = aq_nic_get_dev(self->aq_nic);
- unsigned int budget = AQ_CFG_TX_CLEAN_BUDGET;
+ unsigned int budget;
- for (; self->sw_head != self->hw_head && budget--;
- self->sw_head = aq_ring_next_dx(self, self->sw_head)) {
+ for (budget = AQ_CFG_TX_CLEAN_BUDGET;
+ budget && self->sw_head != self->hw_head; budget--) {
struct aq_ring_buff_s *buff = &self->buff_ring[self->sw_head];
if (likely(buff->is_mapped)) {
@@ -251,6 +248,7 @@ bool aq_ring_tx_clean(struct aq_ring_s *self)
buff->pa = 0U;
buff->eop_index = 0xffffU;
+ self->sw_head = aq_ring_next_dx(self, self->sw_head);
}
return !!budget;
@@ -298,35 +296,47 @@ int aq_ring_rx_clean(struct aq_ring_s *self,
unsigned int i = 0U;
u16 hdr_len;
- if (buff->is_error)
- continue;
-
if (buff->is_cleaned)
continue;
if (!buff->is_eop) {
- for (next_ = buff->next,
- buff_ = &self->buff_ring[next_]; true;
- next_ = buff_->next,
- buff_ = &self->buff_ring[next_]) {
+ buff_ = buff;
+ do {
+ next_ = buff_->next,
+ buff_ = &self->buff_ring[next_];
is_rsc_completed =
aq_ring_dx_in_range(self->sw_head,
next_,
self->hw_head);
- if (unlikely(!is_rsc_completed)) {
- is_rsc_completed = false;
+ if (unlikely(!is_rsc_completed))
break;
- }
- if (buff_->is_eop)
- break;
- }
+ buff->is_error |= buff_->is_error;
+
+ } while (!buff_->is_eop);
if (!is_rsc_completed) {
err = 0;
goto err_exit;
}
+ if (buff->is_error) {
+ buff_ = buff;
+ do {
+ next_ = buff_->next,
+ buff_ = &self->buff_ring[next_];
+
+ buff_->is_cleaned = true;
+ } while (!buff_->is_eop);
+
+ ++self->stats.rx.errors;
+ continue;
+ }
+ }
+
+ if (buff->is_error) {
+ ++self->stats.rx.errors;
+ continue;
}
dma_sync_single_range_for_cpu(aq_nic_get_dev(self->aq_nic),
@@ -389,10 +399,20 @@ int aq_ring_rx_clean(struct aq_ring_s *self,
AQ_CFG_RX_FRAME_MAX);
page_ref_inc(buff_->rxdata.page);
buff_->is_cleaned = 1;
+
+ buff->is_ip_cso &= buff_->is_ip_cso;
+ buff->is_udp_cso &= buff_->is_udp_cso;
+ buff->is_tcp_cso &= buff_->is_tcp_cso;
+ buff->is_cso_err |= buff_->is_cso_err;
+
} while (!buff_->is_eop);
}
}
+ if (buff->is_vlan)
+ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
+ buff->vlan_rx_tag);
+
skb->protocol = eth_type_trans(skb, ndev);
aq_rx_checksum(self, buff, skb);
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.h b/drivers/net/ethernet/aquantia/atlantic/aq_ring.h
index cfffc301e746..47abd09d06c2 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File aq_ring.h: Declaration of functions for Rx/Tx rings. */
@@ -30,7 +27,7 @@ struct aq_rxpage {
* +----------+----------+----------+-----------
* 4/8bytes|len pkt |len pkt | | skb
* +----------+----------+----------+-----------
- * 4/8bytes|is_txc |len,flags |len |len,is_eop
+ * 4/8bytes|is_gso |len,flags |len |len,is_eop
* +----------+----------+----------+-----------
*
* This aq_ring_buff_s doesn't have endianness dependency.
@@ -47,6 +44,7 @@ struct __packed aq_ring_buff_s {
u8 is_hash_l4;
u8 rsvd1;
struct aq_rxpage rxdata;
+ u16 vlan_rx_tag;
};
/* EOP */
struct {
@@ -62,6 +60,7 @@ struct __packed aq_ring_buff_s {
u8 is_ipv6:1;
u8 rsvd2:7;
u32 len_pkt;
+ u16 vlan_tx_tag;
};
};
union {
@@ -73,11 +72,12 @@ struct __packed aq_ring_buff_s {
u32 is_cso_err:1;
u32 is_sop:1;
u32 is_eop:1;
- u32 is_txc:1;
+ u32 is_gso:1;
u32 is_mapped:1;
u32 is_cleaned:1;
u32 is_error:1;
- u32 rsvd3:6;
+ u32 is_vlan:1;
+ u32 rsvd3:5;
u16 eop_index;
u16 rsvd4;
};
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_rss.h b/drivers/net/ethernet/aquantia/atlantic/aq_rss.h
index 1db6eb20a8f2..39b1f43c8ad7 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_rss.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_rss.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File aq_rss.h: Receive Side Scaling definitions. */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_utils.h b/drivers/net/ethernet/aquantia/atlantic/aq_utils.h
index 786ea8187c69..d3a0b2ec0279 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_utils.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_utils.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File aq_utils.h: Useful macro and structures used in all layers of driver. */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_vec.c b/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
index a2e4ca1782ae..715685aa48c3 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File aq_vec.c: Definition of common structure for vector of Rx and Tx rings.
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_vec.h b/drivers/net/ethernet/aquantia/atlantic/aq_vec.h
index 8bdf60bb3f63..0fe8e0904c7f 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_vec.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_vec.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File aq_vec.h: Definition of common structures for vector of Rx and Tx rings.
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
index 9fe507fe2d7f..359a4d387185 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File hw_atl_a0.c: Definition of Atlantic hardware specific functions. */
@@ -454,7 +451,7 @@ static int hw_atl_a0_hw_ring_tx_xmit(struct aq_hw_s *self,
buff = &ring->buff_ring[ring->sw_tail];
- if (buff->is_txc) {
+ if (buff->is_gso) {
txd->ctl |= (buff->len_l3 << 31) |
(buff->len_l2 << 24) |
HW_ATL_A0_TXD_CTL_CMD_TCP |
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.h
index 25fe954def03..1a294ad4d17d 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File hw_atl_a0.h: Declaration of abstract interface for Atlantic hardware
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0_internal.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0_internal.h
index a021dc431ef7..1b9b2e5601ed 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0_internal.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0_internal.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File hw_atl_a0_internal.h: Definition of Atlantic A0 chip specific
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
index bfcda12d73de..30f7fc4c97ff 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File hw_atl_b0.c: Definition of Atlantic hardware specific functions. */
@@ -43,7 +40,9 @@
NETIF_F_TSO | \
NETIF_F_LRO | \
NETIF_F_NTUPLE | \
- NETIF_F_HW_VLAN_CTAG_FILTER, \
+ NETIF_F_HW_VLAN_CTAG_FILTER | \
+ NETIF_F_HW_VLAN_CTAG_RX | \
+ NETIF_F_HW_VLAN_CTAG_TX, \
.hw_priv_flags = IFF_UNICAST_FLT, \
.flow_control = true, \
.mtu = HW_ATL_B0_MTU_JUMBO, \
@@ -248,6 +247,9 @@ static int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
/* LSO offloads*/
hw_atl_tdm_large_send_offload_en_set(self, 0xFFFFFFFFU);
+ /* Outer VLAN tag offload */
+ hw_atl_rpo_outer_vlan_tag_mode_set(self, 1U);
+
/* LRO offloads */
{
unsigned int val = (8U < HW_ATL_B0_LRO_RXD_MAX) ? 0x3U :
@@ -266,12 +268,11 @@ static int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
*/
hw_atl_rpo_lro_max_coalescing_interval_set(self, 50);
-
hw_atl_rpo_lro_qsessions_lim_set(self, 1U);
hw_atl_rpo_lro_total_desc_lim_set(self, 2U);
- hw_atl_rpo_lro_patch_optimization_en_set(self, 0U);
+ hw_atl_rpo_lro_patch_optimization_en_set(self, 1U);
hw_atl_rpo_lro_min_pay_of_first_pkt_set(self, 10U);
@@ -491,6 +492,7 @@ static int hw_atl_b0_hw_ring_tx_xmit(struct aq_hw_s *self,
unsigned int buff_pa_len = 0U;
unsigned int pkt_len = 0U;
unsigned int frag_count = 0U;
+ bool is_vlan = false;
bool is_gso = false;
buff = &ring->buff_ring[ring->sw_tail];
@@ -505,36 +507,44 @@ static int hw_atl_b0_hw_ring_tx_xmit(struct aq_hw_s *self,
buff = &ring->buff_ring[ring->sw_tail];
- if (buff->is_txc) {
+ if (buff->is_gso) {
+ txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_TCP;
+ txd->ctl |= HW_ATL_B0_TXD_CTL_DESC_TYPE_TXC;
txd->ctl |= (buff->len_l3 << 31) |
- (buff->len_l2 << 24) |
- HW_ATL_B0_TXD_CTL_CMD_TCP |
- HW_ATL_B0_TXD_CTL_DESC_TYPE_TXC;
- txd->ctl2 |= (buff->mss << 16) |
- (buff->len_l4 << 8) |
- (buff->len_l3 >> 1);
+ (buff->len_l2 << 24);
+ txd->ctl2 |= (buff->mss << 16);
+ is_gso = true;
pkt_len -= (buff->len_l4 +
buff->len_l3 +
buff->len_l2);
- is_gso = true;
-
if (buff->is_ipv6)
txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_IPV6;
- } else {
+ txd->ctl2 |= (buff->len_l4 << 8) |
+ (buff->len_l3 >> 1);
+ }
+ if (buff->is_vlan) {
+ txd->ctl |= HW_ATL_B0_TXD_CTL_DESC_TYPE_TXC;
+ txd->ctl |= buff->vlan_tx_tag << 4;
+ is_vlan = true;
+ }
+ if (!buff->is_gso && !buff->is_vlan) {
buff_pa_len = buff->len;
txd->buf_addr = buff->pa;
txd->ctl |= (HW_ATL_B0_TXD_CTL_BLEN &
((u32)buff_pa_len << 4));
txd->ctl |= HW_ATL_B0_TXD_CTL_DESC_TYPE_TXD;
+
/* PAY_LEN */
txd->ctl2 |= HW_ATL_B0_TXD_CTL2_LEN & (pkt_len << 14);
- if (is_gso) {
- txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_LSO;
+ if (is_gso || is_vlan) {
+ /* enable tx context */
txd->ctl2 |= HW_ATL_B0_TXD_CTL2_CTX_EN;
}
+ if (is_gso)
+ txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_LSO;
/* Tx checksum offloads */
if (buff->is_ip_cso)
@@ -543,13 +553,16 @@ static int hw_atl_b0_hw_ring_tx_xmit(struct aq_hw_s *self,
if (buff->is_udp_cso || buff->is_tcp_cso)
txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_TUCSO;
+ if (is_vlan)
+ txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_VLAN;
+
if (unlikely(buff->is_eop)) {
txd->ctl |= HW_ATL_B0_TXD_CTL_EOP;
txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_WB;
is_gso = false;
+ is_vlan = false;
}
}
-
ring->sw_tail = aq_ring_next_dx(ring, ring->sw_tail);
}
@@ -563,6 +576,7 @@ static int hw_atl_b0_hw_ring_rx_init(struct aq_hw_s *self,
{
u32 dma_desc_addr_lsw = (u32)aq_ring->dx_ring_pa;
u32 dma_desc_addr_msw = (u32)(((u64)aq_ring->dx_ring_pa) >> 32);
+ u32 vlan_rx_stripping = self->aq_nic_cfg->is_vlan_rx_strip;
hw_atl_rdm_rx_desc_en_set(self, false, aq_ring->idx);
@@ -582,7 +596,8 @@ static int hw_atl_b0_hw_ring_rx_init(struct aq_hw_s *self,
hw_atl_rdm_rx_desc_head_buff_size_set(self, 0U, aq_ring->idx);
hw_atl_rdm_rx_desc_head_splitting_set(self, 0U, aq_ring->idx);
- hw_atl_rpo_rx_desc_vlan_stripping_set(self, 0U, aq_ring->idx);
+ hw_atl_rpo_rx_desc_vlan_stripping_set(self, !!vlan_rx_stripping,
+ aq_ring->idx);
/* Rx ring set mode */
@@ -685,11 +700,15 @@ static int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s *self,
buff = &ring->buff_ring[ring->hw_head];
+ buff->flags = 0U;
+ buff->is_hash_l4 = 0U;
+
rx_stat = (0x0000003CU & rxd_wb->status) >> 2;
is_rx_check_sum_enabled = (rxd_wb->type >> 19) & 0x3U;
- pkt_type = 0xFFU & (rxd_wb->type >> 4);
+ pkt_type = (rxd_wb->type & HW_ATL_B0_RXD_WB_STAT_PKTTYPE) >>
+ HW_ATL_B0_RXD_WB_STAT_PKTTYPE_SHIFT;
if (is_rx_check_sum_enabled & BIT(0) &&
(0x0U == (pkt_type & 0x3U)))
@@ -710,41 +729,51 @@ static int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s *self,
buff->is_cso_err = 0U;
}
+ if (self->aq_nic_cfg->is_vlan_rx_strip &&
+ ((pkt_type & HW_ATL_B0_RXD_WB_PKTTYPE_VLAN) ||
+ (pkt_type & HW_ATL_B0_RXD_WB_PKTTYPE_VLAN_DOUBLE))) {
+ buff->is_vlan = 1;
+ buff->vlan_rx_tag = le16_to_cpu(rxd_wb->vlan);
+ }
+
if ((rx_stat & BIT(0)) || rxd_wb->type & 0x1000U) {
/* MAC error or DMA error */
buff->is_error = 1U;
- } else {
- if (self->aq_nic_cfg->is_rss) {
- /* last 4 byte */
- u16 rss_type = rxd_wb->type & 0xFU;
-
- if (rss_type && rss_type < 0x8U) {
- buff->is_hash_l4 = (rss_type == 0x4 ||
- rss_type == 0x5);
- buff->rss_hash = rxd_wb->rss_hash;
- }
+ }
+ if (self->aq_nic_cfg->is_rss) {
+ /* last 4 byte */
+ u16 rss_type = rxd_wb->type & 0xFU;
+
+ if (rss_type && rss_type < 0x8U) {
+ buff->is_hash_l4 = (rss_type == 0x4 ||
+ rss_type == 0x5);
+ buff->rss_hash = rxd_wb->rss_hash;
}
+ }
- if (HW_ATL_B0_RXD_WB_STAT2_EOP & rxd_wb->status) {
- buff->len = rxd_wb->pkt_len %
- AQ_CFG_RX_FRAME_MAX;
- buff->len = buff->len ?
- buff->len : AQ_CFG_RX_FRAME_MAX;
- buff->next = 0U;
- buff->is_eop = 1U;
+ if (HW_ATL_B0_RXD_WB_STAT2_EOP & rxd_wb->status) {
+ buff->len = rxd_wb->pkt_len %
+ AQ_CFG_RX_FRAME_MAX;
+ buff->len = buff->len ?
+ buff->len : AQ_CFG_RX_FRAME_MAX;
+ buff->next = 0U;
+ buff->is_eop = 1U;
+ } else {
+ buff->len =
+ rxd_wb->pkt_len > AQ_CFG_RX_FRAME_MAX ?
+ AQ_CFG_RX_FRAME_MAX : rxd_wb->pkt_len;
+
+ if (HW_ATL_B0_RXD_WB_STAT2_RSCCNT &
+ rxd_wb->status) {
+ /* LRO */
+ buff->next = rxd_wb->next_desc_ptr;
+ ++ring->stats.rx.lro_packets;
} else {
- if (HW_ATL_B0_RXD_WB_STAT2_RSCCNT &
- rxd_wb->status) {
- /* LRO */
- buff->next = rxd_wb->next_desc_ptr;
- ++ring->stats.rx.lro_packets;
- } else {
- /* jumbo */
- buff->next =
- aq_ring_next_dx(ring,
- ring->hw_head);
- ++ring->stats.rx.jumbo_packets;
- }
+ /* jumbo */
+ buff->next =
+ aq_ring_next_dx(ring,
+ ring->hw_head);
+ ++ring->stats.rx.jumbo_packets;
}
}
}
@@ -779,8 +808,15 @@ static int hw_atl_b0_hw_packet_filter_set(struct aq_hw_s *self,
unsigned int packet_filter)
{
unsigned int i = 0U;
+ struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
+
+ hw_atl_rpfl2promiscuous_mode_en_set(self,
+ IS_FILTER_ENABLED(IFF_PROMISC));
+
+ hw_atl_rpf_vlan_prom_mode_en_set(self,
+ IS_FILTER_ENABLED(IFF_PROMISC) ||
+ cfg->is_vlan_force_promisc);
- hw_atl_rpfl2promiscuous_mode_en_set(self, IS_FILTER_ENABLED(IFF_PROMISC));
hw_atl_rpfl2multicast_flr_en_set(self,
IS_FILTER_ENABLED(IFF_ALLMULTI), 0);
@@ -789,13 +825,13 @@ static int hw_atl_b0_hw_packet_filter_set(struct aq_hw_s *self,
hw_atl_rpfl2broadcast_en_set(self, IS_FILTER_ENABLED(IFF_BROADCAST));
- self->aq_nic_cfg->is_mc_list_enabled = IS_FILTER_ENABLED(IFF_MULTICAST);
+ cfg->is_mc_list_enabled = IS_FILTER_ENABLED(IFF_MULTICAST);
for (i = HW_ATL_B0_MAC_MIN; i < HW_ATL_B0_MAC_MAX; ++i)
hw_atl_rpfl2_uc_flr_en_set(self,
- (self->aq_nic_cfg->is_mc_list_enabled &&
- (i <= self->aq_nic_cfg->mc_list_count)) ?
- 1U : 0U, i);
+ (cfg->is_mc_list_enabled &&
+ (i <= cfg->mc_list_count)) ?
+ 1U : 0U, i);
return aq_hw_err_from_flags(self);
}
@@ -1087,7 +1123,7 @@ static int hw_atl_b0_hw_vlan_set(struct aq_hw_s *self,
static int hw_atl_b0_hw_vlan_ctrl(struct aq_hw_s *self, bool enable)
{
/* set promisc in case of disabing the vland filter */
- hw_atl_rpf_vlan_prom_mode_en_set(self, !!!enable);
+ hw_atl_rpf_vlan_prom_mode_en_set(self, !enable);
return aq_hw_err_from_flags(self);
}
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h
index b1c0b6850e60..09af1683034b 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File hw_atl_b0.h: Declaration of abstract interface for Atlantic hardware
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0_internal.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0_internal.h
index ea98a08d7820..808d8cd4252a 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0_internal.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0_internal.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File hw_atl_b0_internal.h: Definition of Atlantic B0 chip specific
@@ -110,10 +107,17 @@
#define HW_ATL_B0_RXD_NCEA0 (0x1)
#define HW_ATL_B0_RXD_WB_STAT_RSSTYPE (0x0000000F)
+#define HW_ATL_B0_RXD_WB_STAT_RSSTYPE_SHIFT (0x0)
#define HW_ATL_B0_RXD_WB_STAT_PKTTYPE (0x00000FF0)
+#define HW_ATL_B0_RXD_WB_STAT_PKTTYPE_SHIFT (0x4)
#define HW_ATL_B0_RXD_WB_STAT_RXCTRL (0x00180000)
+#define HW_ATL_B0_RXD_WB_STAT_RXCTRL_SHIFT (0x13)
#define HW_ATL_B0_RXD_WB_STAT_SPLHDR (0x00200000)
#define HW_ATL_B0_RXD_WB_STAT_HDRLEN (0xFFC00000)
+#define HW_ATL_B0_RXD_WB_STAT_HDRLEN_SHIFT (0x16)
+
+#define HW_ATL_B0_RXD_WB_PKTTYPE_VLAN BIT(5)
+#define HW_ATL_B0_RXD_WB_PKTTYPE_VLAN_DOUBLE BIT(6)
#define HW_ATL_B0_RXD_WB_STAT2_DD (0x0001)
#define HW_ATL_B0_RXD_WB_STAT2_EOP (0x0002)
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
index eaab25cd08b3..1149812ae463 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File hw_atl_llh.c: Definitions of bitfield and register access functions for
@@ -1007,6 +1004,22 @@ void hw_atl_rpo_rx_desc_vlan_stripping_set(struct aq_hw_s *aq_hw,
rx_desc_vlan_stripping);
}
+void hw_atl_rpo_outer_vlan_tag_mode_set(void *context,
+ u32 outervlantagmode)
+{
+ aq_hw_write_reg_bit(context, HW_ATL_RPO_OUTER_VL_INS_MODE_ADR,
+ HW_ATL_RPO_OUTER_VL_INS_MODE_MSK,
+ HW_ATL_RPO_OUTER_VL_INS_MODE_SHIFT,
+ outervlantagmode);
+}
+
+u32 hw_atl_rpo_outer_vlan_tag_mode_get(void *context)
+{
+ return aq_hw_read_reg_bit(context, HW_ATL_RPO_OUTER_VL_INS_MODE_ADR,
+ HW_ATL_RPO_OUTER_VL_INS_MODE_MSK,
+ HW_ATL_RPO_OUTER_VL_INS_MODE_SHIFT);
+}
+
void hw_atl_rpo_tcp_udp_crc_offload_en_set(struct aq_hw_s *aq_hw,
u32 tcp_udp_crc_offload_en)
{
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h
index 2eb44e1cff70..0c37abbabca5 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File hw_atl_llh.h: Declarations of bitfield and register access functions for
@@ -491,6 +488,11 @@ void hw_atl_rpo_rx_desc_vlan_stripping_set(struct aq_hw_s *aq_hw,
u32 rx_desc_vlan_stripping,
u32 descriptor);
+void hw_atl_rpo_outer_vlan_tag_mode_set(void *context,
+ u32 outervlantagmode);
+
+u32 hw_atl_rpo_outer_vlan_tag_mode_get(void *context);
+
/* set tcp/udp checksum offload enable */
void hw_atl_rpo_tcp_udp_crc_offload_en_set(struct aq_hw_s *aq_hw,
u32 tcp_udp_crc_offload_en);
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
index b64140924a02..c3febcdfa92e 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File hw_atl_llh_internal.h: Preprocessor definitions
@@ -1386,6 +1383,24 @@
/* default value of bitfield l4_chk_en */
#define HW_ATL_RPOL4CHK_EN_DEFAULT 0x0
+/* RX outer_vl_ins_mode Bitfield Definitions
+ * Preprocessor definitions for the bitfield "outer_vl_ins_mode".
+ * PORT="pif_rpo_outer_vl_mode_i"
+ */
+
+/* Register address for bitfield outer_vl_ins_mode */
+#define HW_ATL_RPO_OUTER_VL_INS_MODE_ADR 0x00005580
+/* Bitmask for bitfield outer_vl_ins_mode */
+#define HW_ATL_RPO_OUTER_VL_INS_MODE_MSK 0x00000004
+/* Inverted bitmask for bitfield outer_vl_ins_mode */
+#define HW_ATL_RPO_OUTER_VL_INS_MODE_MSKN 0xFFFFFFFB
+/* Lower bit position of bitfield outer_vl_ins_mode */
+#define HW_ATL_RPO_OUTER_VL_INS_MODE_SHIFT 2
+/* Width of bitfield outer_vl_ins_mode */
+#define HW_ATL_RPO_OUTER_VL_INS_MODE_WIDTH 1
+/* Default value of bitfield outer_vl_ins_mode */
+#define HW_ATL_RPO_OUTER_VL_INS_MODE_DEFAULT 0x0
+
/* rx reg_res_dsbl bitfield definitions
* preprocessor definitions for the bitfield "reg_res_dsbl".
* port="pif_rx_reg_res_dsbl_i"
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
index 1208f7ecdd76..52646855495e 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File hw_atl_utils.c: Definition of common functions for Atlantic hardware
@@ -335,13 +332,13 @@ static int hw_atl_utils_fw_upload_dwords(struct aq_hw_s *self, u32 a, u32 *p,
{
u32 val;
int err = 0;
- bool is_locked;
- is_locked = hw_atl_sem_ram_get(self);
- if (!is_locked) {
- err = -ETIME;
+ err = readx_poll_timeout_atomic(hw_atl_sem_ram_get, self,
+ val, val == 1U,
+ 10U, 100000U);
+ if (err < 0)
goto err_exit;
- }
+
if (IS_CHIP_FEATURE(REVISION_B1)) {
u32 offset = 0;
@@ -353,8 +350,8 @@ static int hw_atl_utils_fw_upload_dwords(struct aq_hw_s *self, u32 a, u32 *p,
/* 1000 times by 10us = 10ms */
err = readx_poll_timeout_atomic(hw_atl_scrpad12_get,
self, val,
- (val & 0xF0000000) ==
- 0x80000000,
+ (val & 0xF0000000) !=
+ 0x80000000,
10U, 10000U);
}
} else {
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h
index 48278e333462..692bed70e104 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File hw_atl_utils.h: Declaration of common functions for Atlantic hardware
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c
index fbc9d6ac841f..da726489e3c8 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
/* File hw_atl_utils_fw2x.c: Definition of firmware 2.x functions for
@@ -384,7 +381,7 @@ static int aq_fw2x_set_sleep_proxy(struct aq_hw_s *self, u8 *mac)
err = readx_poll_timeout_atomic(aq_fw2x_state2_get,
self, val,
val & HW_ATL_FW2X_CTRL_SLEEP_PROXY,
- 1U, 10000U);
+ 1U, 100000U);
err_exit:
return err;
@@ -404,6 +401,8 @@ static int aq_fw2x_set_wol_params(struct aq_hw_s *self, u8 *mac)
msg = (struct fw2x_msg_wol *)rpc;
+ memset(msg, 0, sizeof(*msg));
+
msg->msg_id = HAL_ATLANTIC_UTILS_FW2X_MSG_WOL;
msg->magic_packet_enabled = true;
memcpy(msg->hw_addr, mac, ETH_ALEN);
diff --git a/drivers/net/ethernet/aquantia/atlantic/ver.h b/drivers/net/ethernet/aquantia/atlantic/ver.h
index b48260114da3..597654b51e01 100644
--- a/drivers/net/ethernet/aquantia/atlantic/ver.h
+++ b/drivers/net/ethernet/aquantia/atlantic/ver.h
@@ -1,20 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
#ifndef VER_H
#define VER_H
-#define NIC_MAJOR_DRIVER_VERSION 2
-#define NIC_MINOR_DRIVER_VERSION 0
-#define NIC_BUILD_DRIVER_VERSION 4
-#define NIC_REVISION_DRIVER_VERSION 0
-
#define AQ_CFG_DRV_VERSION_SUFFIX "-kern"
#endif /* VER_H */
diff --git a/drivers/net/ethernet/arc/emac_arc.c b/drivers/net/ethernet/arc/emac_arc.c
index ffd180570920..78e52d217e56 100644
--- a/drivers/net/ethernet/arc/emac_arc.c
+++ b/drivers/net/ethernet/arc/emac_arc.c
@@ -1,19 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/**
* emac_arc.c - ARC EMAC specific glue layer
*
* Copyright (C) 2014 Romain Perier
*
* Romain Perier <romain.perier@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/etherdevice.h>
diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c
index 13a1d99b29c6..6f2c867785fe 100644
--- a/drivers/net/ethernet/arc/emac_main.c
+++ b/drivers/net/ethernet/arc/emac_main.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2004-2013 Synopsys, Inc. (www.synopsys.com)
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
* Driver for the ARC EMAC 10100 (hardware revision 5)
*
* Contributors:
diff --git a/drivers/net/ethernet/arc/emac_rockchip.c b/drivers/net/ethernet/arc/emac_rockchip.c
index 0f6576802607..42d2e1b02c44 100644
--- a/drivers/net/ethernet/arc/emac_rockchip.c
+++ b/drivers/net/ethernet/arc/emac_rockchip.c
@@ -1,17 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/**
* emac-rockchip.c - Rockchip EMAC specific glue layer
*
* Copyright (C) 2014 Romain Perier <romain.perier@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/etherdevice.h>
diff --git a/drivers/net/ethernet/atheros/Kconfig b/drivers/net/ethernet/atheros/Kconfig
index 953ff1f9ac70..0058051ba925 100644
--- a/drivers/net/ethernet/atheros/Kconfig
+++ b/drivers/net/ethernet/atheros/Kconfig
@@ -6,7 +6,7 @@
config NET_VENDOR_ATHEROS
bool "Atheros devices"
default y
- depends on PCI
+ depends on (PCI || ATH79)
---help---
If you have a network (Ethernet) card belonging to this class, say Y.
@@ -17,6 +17,14 @@ config NET_VENDOR_ATHEROS
if NET_VENDOR_ATHEROS
+config AG71XX
+ tristate "Atheros AR7XXX/AR9XXX built-in ethernet mac support"
+ depends on ATH79
+ select PHYLIB
+ help
+ If you wish to compile a kernel for AR7XXX/91XXX and enable
+ ethernet support, then you should always answer Y to this.
+
config ATL2
tristate "Atheros L2 Fast Ethernet support"
depends on PCI
diff --git a/drivers/net/ethernet/atheros/Makefile b/drivers/net/ethernet/atheros/Makefile
index aa3d394b87e6..aca696cb6425 100644
--- a/drivers/net/ethernet/atheros/Makefile
+++ b/drivers/net/ethernet/atheros/Makefile
@@ -3,6 +3,7 @@
# Makefile for the Atheros network device drivers.
#
+obj-$(CONFIG_AG71XX) += ag71xx.o
obj-$(CONFIG_ATL1) += atlx/
obj-$(CONFIG_ATL2) += atlx/
obj-$(CONFIG_ATL1E) += atl1e/
diff --git a/drivers/net/ethernet/atheros/ag71xx.c b/drivers/net/ethernet/atheros/ag71xx.c
new file mode 100644
index 000000000000..8b69d0d7e726
--- /dev/null
+++ b/drivers/net/ethernet/atheros/ag71xx.c
@@ -0,0 +1,1901 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Atheros AR71xx built-in ethernet mac driver
+ *
+ * Copyright (C) 2019 Oleksij Rempel <o.rempel@pengutronix.de>
+ *
+ * List of authors contributed to this driver before mainlining:
+ * Alexander Couzens <lynxis@fe80.eu>
+ * Christian Lamparter <chunkeey@gmail.com>
+ * Chuanhong Guo <gch981213@gmail.com>
+ * Daniel F. Dickinson <cshored@thecshore.com>
+ * David Bauer <mail@david-bauer.net>
+ * Felix Fietkau <nbd@nbd.name>
+ * Gabor Juhos <juhosg@freemail.hu>
+ * Hauke Mehrtens <hauke@hauke-m.de>
+ * Johann Neuhauser <johann@it-neuhauser.de>
+ * John Crispin <john@phrozen.org>
+ * Jo-Philipp Wich <jo@mein.io>
+ * Koen Vandeputte <koen.vandeputte@ncentric.com>
+ * Lucian Cristian <lucian.cristian@gmail.com>
+ * Matt Merhar <mattmerhar@protonmail.com>
+ * Milan Krstic <milan.krstic@gmail.com>
+ * Petr Štetiar <ynezz@true.cz>
+ * Rosen Penev <rosenp@gmail.com>
+ * Stephen Walker <stephendwalker+github@gmail.com>
+ * Vittorio Gambaletta <openwrt@vittgam.net>
+ * Weijie Gao <hackpascal@gmail.com>
+ * Imre Kaloz <kaloz@openwrt.org>
+ */
+
+#include <linux/if_vlan.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of_mdio.h>
+#include <linux/of_net.h>
+#include <linux/of_platform.h>
+#include <linux/regmap.h>
+#include <linux/reset.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+/* For our NAPI weight bigger does *NOT* mean better - it means more
+ * D-cache misses and lots more wasted cycles than we'll ever
+ * possibly gain from saving instructions.
+ */
+#define AG71XX_NAPI_WEIGHT 32
+#define AG71XX_OOM_REFILL (1 + HZ / 10)
+
+#define AG71XX_INT_ERR (AG71XX_INT_RX_BE | AG71XX_INT_TX_BE)
+#define AG71XX_INT_TX (AG71XX_INT_TX_PS)
+#define AG71XX_INT_RX (AG71XX_INT_RX_PR | AG71XX_INT_RX_OF)
+
+#define AG71XX_INT_POLL (AG71XX_INT_RX | AG71XX_INT_TX)
+#define AG71XX_INT_INIT (AG71XX_INT_ERR | AG71XX_INT_POLL)
+
+#define AG71XX_TX_MTU_LEN 1540
+
+#define AG71XX_TX_RING_SPLIT 512
+#define AG71XX_TX_RING_DS_PER_PKT DIV_ROUND_UP(AG71XX_TX_MTU_LEN, \
+ AG71XX_TX_RING_SPLIT)
+#define AG71XX_TX_RING_SIZE_DEFAULT 128
+#define AG71XX_RX_RING_SIZE_DEFAULT 256
+
+#define AG71XX_MDIO_RETRY 1000
+#define AG71XX_MDIO_DELAY 5
+#define AG71XX_MDIO_MAX_CLK 5000000
+
+/* Register offsets */
+#define AG71XX_REG_MAC_CFG1 0x0000
+#define MAC_CFG1_TXE BIT(0) /* Tx Enable */
+#define MAC_CFG1_STX BIT(1) /* Synchronize Tx Enable */
+#define MAC_CFG1_RXE BIT(2) /* Rx Enable */
+#define MAC_CFG1_SRX BIT(3) /* Synchronize Rx Enable */
+#define MAC_CFG1_TFC BIT(4) /* Tx Flow Control Enable */
+#define MAC_CFG1_RFC BIT(5) /* Rx Flow Control Enable */
+#define MAC_CFG1_SR BIT(31) /* Soft Reset */
+#define MAC_CFG1_INIT (MAC_CFG1_RXE | MAC_CFG1_TXE | \
+ MAC_CFG1_SRX | MAC_CFG1_STX)
+
+#define AG71XX_REG_MAC_CFG2 0x0004
+#define MAC_CFG2_FDX BIT(0)
+#define MAC_CFG2_PAD_CRC_EN BIT(2)
+#define MAC_CFG2_LEN_CHECK BIT(4)
+#define MAC_CFG2_IF_1000 BIT(9)
+#define MAC_CFG2_IF_10_100 BIT(8)
+
+#define AG71XX_REG_MAC_MFL 0x0010
+
+#define AG71XX_REG_MII_CFG 0x0020
+#define MII_CFG_CLK_DIV_4 0
+#define MII_CFG_CLK_DIV_6 2
+#define MII_CFG_CLK_DIV_8 3
+#define MII_CFG_CLK_DIV_10 4
+#define MII_CFG_CLK_DIV_14 5
+#define MII_CFG_CLK_DIV_20 6
+#define MII_CFG_CLK_DIV_28 7
+#define MII_CFG_CLK_DIV_34 8
+#define MII_CFG_CLK_DIV_42 9
+#define MII_CFG_CLK_DIV_50 10
+#define MII_CFG_CLK_DIV_58 11
+#define MII_CFG_CLK_DIV_66 12
+#define MII_CFG_CLK_DIV_74 13
+#define MII_CFG_CLK_DIV_82 14
+#define MII_CFG_CLK_DIV_98 15
+#define MII_CFG_RESET BIT(31)
+
+#define AG71XX_REG_MII_CMD 0x0024
+#define MII_CMD_READ BIT(0)
+
+#define AG71XX_REG_MII_ADDR 0x0028
+#define MII_ADDR_SHIFT 8
+
+#define AG71XX_REG_MII_CTRL 0x002c
+#define AG71XX_REG_MII_STATUS 0x0030
+#define AG71XX_REG_MII_IND 0x0034
+#define MII_IND_BUSY BIT(0)
+#define MII_IND_INVALID BIT(2)
+
+#define AG71XX_REG_MAC_IFCTL 0x0038
+#define MAC_IFCTL_SPEED BIT(16)
+
+#define AG71XX_REG_MAC_ADDR1 0x0040
+#define AG71XX_REG_MAC_ADDR2 0x0044
+#define AG71XX_REG_FIFO_CFG0 0x0048
+#define FIFO_CFG0_WTM BIT(0) /* Watermark Module */
+#define FIFO_CFG0_RXS BIT(1) /* Rx System Module */
+#define FIFO_CFG0_RXF BIT(2) /* Rx Fabric Module */
+#define FIFO_CFG0_TXS BIT(3) /* Tx System Module */
+#define FIFO_CFG0_TXF BIT(4) /* Tx Fabric Module */
+#define FIFO_CFG0_ALL (FIFO_CFG0_WTM | FIFO_CFG0_RXS | FIFO_CFG0_RXF \
+ | FIFO_CFG0_TXS | FIFO_CFG0_TXF)
+#define FIFO_CFG0_INIT (FIFO_CFG0_ALL << FIFO_CFG0_ENABLE_SHIFT)
+
+#define FIFO_CFG0_ENABLE_SHIFT 8
+
+#define AG71XX_REG_FIFO_CFG1 0x004c
+#define AG71XX_REG_FIFO_CFG2 0x0050
+#define AG71XX_REG_FIFO_CFG3 0x0054
+#define AG71XX_REG_FIFO_CFG4 0x0058
+#define FIFO_CFG4_DE BIT(0) /* Drop Event */
+#define FIFO_CFG4_DV BIT(1) /* RX_DV Event */
+#define FIFO_CFG4_FC BIT(2) /* False Carrier */
+#define FIFO_CFG4_CE BIT(3) /* Code Error */
+#define FIFO_CFG4_CR BIT(4) /* CRC error */
+#define FIFO_CFG4_LM BIT(5) /* Length Mismatch */
+#define FIFO_CFG4_LO BIT(6) /* Length out of range */
+#define FIFO_CFG4_OK BIT(7) /* Packet is OK */
+#define FIFO_CFG4_MC BIT(8) /* Multicast Packet */
+#define FIFO_CFG4_BC BIT(9) /* Broadcast Packet */
+#define FIFO_CFG4_DR BIT(10) /* Dribble */
+#define FIFO_CFG4_LE BIT(11) /* Long Event */
+#define FIFO_CFG4_CF BIT(12) /* Control Frame */
+#define FIFO_CFG4_PF BIT(13) /* Pause Frame */
+#define FIFO_CFG4_UO BIT(14) /* Unsupported Opcode */
+#define FIFO_CFG4_VT BIT(15) /* VLAN tag detected */
+#define FIFO_CFG4_FT BIT(16) /* Frame Truncated */
+#define FIFO_CFG4_UC BIT(17) /* Unicast Packet */
+#define FIFO_CFG4_INIT (FIFO_CFG4_DE | FIFO_CFG4_DV | FIFO_CFG4_FC | \
+ FIFO_CFG4_CE | FIFO_CFG4_CR | FIFO_CFG4_LM | \
+ FIFO_CFG4_LO | FIFO_CFG4_OK | FIFO_CFG4_MC | \
+ FIFO_CFG4_BC | FIFO_CFG4_DR | FIFO_CFG4_LE | \
+ FIFO_CFG4_CF | FIFO_CFG4_PF | FIFO_CFG4_UO | \
+ FIFO_CFG4_VT)
+
+#define AG71XX_REG_FIFO_CFG5 0x005c
+#define FIFO_CFG5_DE BIT(0) /* Drop Event */
+#define FIFO_CFG5_DV BIT(1) /* RX_DV Event */
+#define FIFO_CFG5_FC BIT(2) /* False Carrier */
+#define FIFO_CFG5_CE BIT(3) /* Code Error */
+#define FIFO_CFG5_LM BIT(4) /* Length Mismatch */
+#define FIFO_CFG5_LO BIT(5) /* Length Out of Range */
+#define FIFO_CFG5_OK BIT(6) /* Packet is OK */
+#define FIFO_CFG5_MC BIT(7) /* Multicast Packet */
+#define FIFO_CFG5_BC BIT(8) /* Broadcast Packet */
+#define FIFO_CFG5_DR BIT(9) /* Dribble */
+#define FIFO_CFG5_CF BIT(10) /* Control Frame */
+#define FIFO_CFG5_PF BIT(11) /* Pause Frame */
+#define FIFO_CFG5_UO BIT(12) /* Unsupported Opcode */
+#define FIFO_CFG5_VT BIT(13) /* VLAN tag detected */
+#define FIFO_CFG5_LE BIT(14) /* Long Event */
+#define FIFO_CFG5_FT BIT(15) /* Frame Truncated */
+#define FIFO_CFG5_16 BIT(16) /* unknown */
+#define FIFO_CFG5_17 BIT(17) /* unknown */
+#define FIFO_CFG5_SF BIT(18) /* Short Frame */
+#define FIFO_CFG5_BM BIT(19) /* Byte Mode */
+#define FIFO_CFG5_INIT (FIFO_CFG5_DE | FIFO_CFG5_DV | FIFO_CFG5_FC | \
+ FIFO_CFG5_CE | FIFO_CFG5_LO | FIFO_CFG5_OK | \
+ FIFO_CFG5_MC | FIFO_CFG5_BC | FIFO_CFG5_DR | \
+ FIFO_CFG5_CF | FIFO_CFG5_PF | FIFO_CFG5_VT | \
+ FIFO_CFG5_LE | FIFO_CFG5_FT | FIFO_CFG5_16 | \
+ FIFO_CFG5_17 | FIFO_CFG5_SF)
+
+#define AG71XX_REG_TX_CTRL 0x0180
+#define TX_CTRL_TXE BIT(0) /* Tx Enable */
+
+#define AG71XX_REG_TX_DESC 0x0184
+#define AG71XX_REG_TX_STATUS 0x0188
+#define TX_STATUS_PS BIT(0) /* Packet Sent */
+#define TX_STATUS_UR BIT(1) /* Tx Underrun */
+#define TX_STATUS_BE BIT(3) /* Bus Error */
+
+#define AG71XX_REG_RX_CTRL 0x018c
+#define RX_CTRL_RXE BIT(0) /* Rx Enable */
+
+#define AG71XX_DMA_RETRY 10
+#define AG71XX_DMA_DELAY 1
+
+#define AG71XX_REG_RX_DESC 0x0190
+#define AG71XX_REG_RX_STATUS 0x0194
+#define RX_STATUS_PR BIT(0) /* Packet Received */
+#define RX_STATUS_OF BIT(2) /* Rx Overflow */
+#define RX_STATUS_BE BIT(3) /* Bus Error */
+
+#define AG71XX_REG_INT_ENABLE 0x0198
+#define AG71XX_REG_INT_STATUS 0x019c
+#define AG71XX_INT_TX_PS BIT(0)
+#define AG71XX_INT_TX_UR BIT(1)
+#define AG71XX_INT_TX_BE BIT(3)
+#define AG71XX_INT_RX_PR BIT(4)
+#define AG71XX_INT_RX_OF BIT(6)
+#define AG71XX_INT_RX_BE BIT(7)
+
+#define AG71XX_REG_FIFO_DEPTH 0x01a8
+#define AG71XX_REG_RX_SM 0x01b0
+#define AG71XX_REG_TX_SM 0x01b4
+
+#define ETH_SWITCH_HEADER_LEN 2
+
+#define AG71XX_DEFAULT_MSG_ENABLE \
+ (NETIF_MSG_DRV \
+ | NETIF_MSG_PROBE \
+ | NETIF_MSG_LINK \
+ | NETIF_MSG_TIMER \
+ | NETIF_MSG_IFDOWN \
+ | NETIF_MSG_IFUP \
+ | NETIF_MSG_RX_ERR \
+ | NETIF_MSG_TX_ERR)
+
+#define DESC_EMPTY BIT(31)
+#define DESC_MORE BIT(24)
+#define DESC_PKTLEN_M 0xfff
+struct ag71xx_desc {
+ u32 data;
+ u32 ctrl;
+ u32 next;
+ u32 pad;
+} __aligned(4);
+
+#define AG71XX_DESC_SIZE roundup(sizeof(struct ag71xx_desc), \
+ L1_CACHE_BYTES)
+
+struct ag71xx_buf {
+ union {
+ struct {
+ struct sk_buff *skb;
+ unsigned int len;
+ } tx;
+ struct {
+ dma_addr_t dma_addr;
+ void *rx_buf;
+ } rx;
+ };
+};
+
+struct ag71xx_ring {
+ /* "Hot" fields in the data path. */
+ unsigned int curr;
+ unsigned int dirty;
+
+ /* "Cold" fields - not used in the data path. */
+ struct ag71xx_buf *buf;
+ u16 order;
+ u16 desc_split;
+ dma_addr_t descs_dma;
+ u8 *descs_cpu;
+};
+
+enum ag71xx_type {
+ AR7100,
+ AR7240,
+ AR9130,
+ AR9330,
+ AR9340,
+ QCA9530,
+ QCA9550,
+};
+
+struct ag71xx_dcfg {
+ u32 max_frame_len;
+ const u32 *fifodata;
+ u16 desc_pktlen_mask;
+ bool tx_hang_workaround;
+ enum ag71xx_type type;
+};
+
+struct ag71xx {
+ /* Critical data related to the per-packet data path are clustered
+ * early in this structure to help improve the D-cache footprint.
+ */
+ struct ag71xx_ring rx_ring ____cacheline_aligned;
+ struct ag71xx_ring tx_ring ____cacheline_aligned;
+
+ u16 rx_buf_size;
+ u8 rx_buf_offset;
+
+ struct net_device *ndev;
+ struct platform_device *pdev;
+ struct napi_struct napi;
+ u32 msg_enable;
+ const struct ag71xx_dcfg *dcfg;
+
+ /* From this point onwards we're not looking at per-packet fields. */
+ void __iomem *mac_base;
+
+ struct ag71xx_desc *stop_desc;
+ dma_addr_t stop_desc_dma;
+
+ int phy_if_mode;
+
+ struct delayed_work restart_work;
+ struct timer_list oom_timer;
+
+ struct reset_control *mac_reset;
+
+ u32 fifodata[3];
+ int mac_idx;
+
+ struct reset_control *mdio_reset;
+ struct mii_bus *mii_bus;
+ struct clk *clk_mdio;
+ struct clk *clk_eth;
+};
+
+static int ag71xx_desc_empty(struct ag71xx_desc *desc)
+{
+ return (desc->ctrl & DESC_EMPTY) != 0;
+}
+
+static struct ag71xx_desc *ag71xx_ring_desc(struct ag71xx_ring *ring, int idx)
+{
+ return (struct ag71xx_desc *)&ring->descs_cpu[idx * AG71XX_DESC_SIZE];
+}
+
+static int ag71xx_ring_size_order(int size)
+{
+ return fls(size - 1);
+}
+
+static bool ag71xx_is(struct ag71xx *ag, enum ag71xx_type type)
+{
+ return ag->dcfg->type == type;
+}
+
+static void ag71xx_wr(struct ag71xx *ag, unsigned int reg, u32 value)
+{
+ iowrite32(value, ag->mac_base + reg);
+ /* flush write */
+ (void)ioread32(ag->mac_base + reg);
+}
+
+static u32 ag71xx_rr(struct ag71xx *ag, unsigned int reg)
+{
+ return ioread32(ag->mac_base + reg);
+}
+
+static void ag71xx_sb(struct ag71xx *ag, unsigned int reg, u32 mask)
+{
+ void __iomem *r;
+
+ r = ag->mac_base + reg;
+ iowrite32(ioread32(r) | mask, r);
+ /* flush write */
+ (void)ioread32(r);
+}
+
+static void ag71xx_cb(struct ag71xx *ag, unsigned int reg, u32 mask)
+{
+ void __iomem *r;
+
+ r = ag->mac_base + reg;
+ iowrite32(ioread32(r) & ~mask, r);
+ /* flush write */
+ (void)ioread32(r);
+}
+
+static void ag71xx_int_enable(struct ag71xx *ag, u32 ints)
+{
+ ag71xx_sb(ag, AG71XX_REG_INT_ENABLE, ints);
+}
+
+static void ag71xx_int_disable(struct ag71xx *ag, u32 ints)
+{
+ ag71xx_cb(ag, AG71XX_REG_INT_ENABLE, ints);
+}
+
+static int ag71xx_mdio_wait_busy(struct ag71xx *ag)
+{
+ struct net_device *ndev = ag->ndev;
+ int i;
+
+ for (i = 0; i < AG71XX_MDIO_RETRY; i++) {
+ u32 busy;
+
+ udelay(AG71XX_MDIO_DELAY);
+
+ busy = ag71xx_rr(ag, AG71XX_REG_MII_IND);
+ if (!busy)
+ return 0;
+
+ udelay(AG71XX_MDIO_DELAY);
+ }
+
+ netif_err(ag, link, ndev, "MDIO operation timed out\n");
+
+ return -ETIMEDOUT;
+}
+
+static int ag71xx_mdio_mii_read(struct mii_bus *bus, int addr, int reg)
+{
+ struct ag71xx *ag = bus->priv;
+ int err, val;
+
+ err = ag71xx_mdio_wait_busy(ag);
+ if (err)
+ return err;
+
+ ag71xx_wr(ag, AG71XX_REG_MII_ADDR,
+ ((addr & 0x1f) << MII_ADDR_SHIFT) | (reg & 0xff));
+ /* enable read mode */
+ ag71xx_wr(ag, AG71XX_REG_MII_CMD, MII_CMD_READ);
+
+ err = ag71xx_mdio_wait_busy(ag);
+ if (err)
+ return err;
+
+ val = ag71xx_rr(ag, AG71XX_REG_MII_STATUS);
+ /* disable read mode */
+ ag71xx_wr(ag, AG71XX_REG_MII_CMD, 0);
+
+ netif_dbg(ag, link, ag->ndev, "mii_read: addr=%04x, reg=%04x, value=%04x\n",
+ addr, reg, val);
+
+ return val;
+}
+
+static int ag71xx_mdio_mii_write(struct mii_bus *bus, int addr, int reg,
+ u16 val)
+{
+ struct ag71xx *ag = bus->priv;
+
+ netif_dbg(ag, link, ag->ndev, "mii_write: addr=%04x, reg=%04x, value=%04x\n",
+ addr, reg, val);
+
+ ag71xx_wr(ag, AG71XX_REG_MII_ADDR,
+ ((addr & 0x1f) << MII_ADDR_SHIFT) | (reg & 0xff));
+ ag71xx_wr(ag, AG71XX_REG_MII_CTRL, val);
+
+ return ag71xx_mdio_wait_busy(ag);
+}
+
+static const u32 ar71xx_mdio_div_table[] = {
+ 4, 4, 6, 8, 10, 14, 20, 28,
+};
+
+static const u32 ar7240_mdio_div_table[] = {
+ 2, 2, 4, 6, 8, 12, 18, 26, 32, 40, 48, 56, 62, 70, 78, 96,
+};
+
+static const u32 ar933x_mdio_div_table[] = {
+ 4, 4, 6, 8, 10, 14, 20, 28, 34, 42, 50, 58, 66, 74, 82, 98,
+};
+
+static int ag71xx_mdio_get_divider(struct ag71xx *ag, u32 *div)
+{
+ unsigned long ref_clock;
+ const u32 *table;
+ int ndivs, i;
+
+ ref_clock = clk_get_rate(ag->clk_mdio);
+ if (!ref_clock)
+ return -EINVAL;
+
+ if (ag71xx_is(ag, AR9330) || ag71xx_is(ag, AR9340)) {
+ table = ar933x_mdio_div_table;
+ ndivs = ARRAY_SIZE(ar933x_mdio_div_table);
+ } else if (ag71xx_is(ag, AR7240)) {
+ table = ar7240_mdio_div_table;
+ ndivs = ARRAY_SIZE(ar7240_mdio_div_table);
+ } else {
+ table = ar71xx_mdio_div_table;
+ ndivs = ARRAY_SIZE(ar71xx_mdio_div_table);
+ }
+
+ for (i = 0; i < ndivs; i++) {
+ unsigned long t;
+
+ t = ref_clock / table[i];
+ if (t <= AG71XX_MDIO_MAX_CLK) {
+ *div = i;
+ return 0;
+ }
+ }
+
+ return -ENOENT;
+}
+
+static int ag71xx_mdio_reset(struct mii_bus *bus)
+{
+ struct ag71xx *ag = bus->priv;
+ int err;
+ u32 t;
+
+ err = ag71xx_mdio_get_divider(ag, &t);
+ if (err)
+ return err;
+
+ ag71xx_wr(ag, AG71XX_REG_MII_CFG, t | MII_CFG_RESET);
+ usleep_range(100, 200);
+
+ ag71xx_wr(ag, AG71XX_REG_MII_CFG, t);
+ usleep_range(100, 200);
+
+ return 0;
+}
+
+static int ag71xx_mdio_probe(struct ag71xx *ag)
+{
+ struct device *dev = &ag->pdev->dev;
+ struct net_device *ndev = ag->ndev;
+ static struct mii_bus *mii_bus;
+ struct device_node *np;
+ int err;
+
+ np = dev->of_node;
+ ag->mii_bus = NULL;
+
+ ag->clk_mdio = devm_clk_get(dev, "mdio");
+ if (IS_ERR(ag->clk_mdio)) {
+ netif_err(ag, probe, ndev, "Failed to get mdio clk.\n");
+ return PTR_ERR(ag->clk_mdio);
+ }
+
+ err = clk_prepare_enable(ag->clk_mdio);
+ if (err) {
+ netif_err(ag, probe, ndev, "Failed to enable mdio clk.\n");
+ return err;
+ }
+
+ mii_bus = devm_mdiobus_alloc(dev);
+ if (!mii_bus) {
+ err = -ENOMEM;
+ goto mdio_err_put_clk;
+ }
+
+ ag->mdio_reset = of_reset_control_get_exclusive(np, "mdio");
+ if (IS_ERR(ag->mdio_reset)) {
+ netif_err(ag, probe, ndev, "Failed to get reset mdio.\n");
+ return PTR_ERR(ag->mdio_reset);
+ }
+
+ mii_bus->name = "ag71xx_mdio";
+ mii_bus->read = ag71xx_mdio_mii_read;
+ mii_bus->write = ag71xx_mdio_mii_write;
+ mii_bus->reset = ag71xx_mdio_reset;
+ mii_bus->priv = ag;
+ mii_bus->parent = dev;
+ snprintf(mii_bus->id, MII_BUS_ID_SIZE, "%s.%d", np->name, ag->mac_idx);
+
+ if (!IS_ERR(ag->mdio_reset)) {
+ reset_control_assert(ag->mdio_reset);
+ msleep(100);
+ reset_control_deassert(ag->mdio_reset);
+ msleep(200);
+ }
+
+ err = of_mdiobus_register(mii_bus, np);
+ if (err)
+ goto mdio_err_put_clk;
+
+ ag->mii_bus = mii_bus;
+
+ return 0;
+
+mdio_err_put_clk:
+ clk_disable_unprepare(ag->clk_mdio);
+ return err;
+}
+
+static void ag71xx_mdio_remove(struct ag71xx *ag)
+{
+ if (ag->mii_bus)
+ mdiobus_unregister(ag->mii_bus);
+ clk_disable_unprepare(ag->clk_mdio);
+}
+
+static void ag71xx_hw_stop(struct ag71xx *ag)
+{
+ /* disable all interrupts and stop the rx/tx engine */
+ ag71xx_wr(ag, AG71XX_REG_INT_ENABLE, 0);
+ ag71xx_wr(ag, AG71XX_REG_RX_CTRL, 0);
+ ag71xx_wr(ag, AG71XX_REG_TX_CTRL, 0);
+}
+
+static bool ag71xx_check_dma_stuck(struct ag71xx *ag)
+{
+ unsigned long timestamp;
+ u32 rx_sm, tx_sm, rx_fd;
+
+ timestamp = netdev_get_tx_queue(ag->ndev, 0)->trans_start;
+ if (likely(time_before(jiffies, timestamp + HZ / 10)))
+ return false;
+
+ if (!netif_carrier_ok(ag->ndev))
+ return false;
+
+ rx_sm = ag71xx_rr(ag, AG71XX_REG_RX_SM);
+ if ((rx_sm & 0x7) == 0x3 && ((rx_sm >> 4) & 0x7) == 0x6)
+ return true;
+
+ tx_sm = ag71xx_rr(ag, AG71XX_REG_TX_SM);
+ rx_fd = ag71xx_rr(ag, AG71XX_REG_FIFO_DEPTH);
+ if (((tx_sm >> 4) & 0x7) == 0 && ((rx_sm & 0x7) == 0) &&
+ ((rx_sm >> 4) & 0x7) == 0 && rx_fd == 0)
+ return true;
+
+ return false;
+}
+
+static int ag71xx_tx_packets(struct ag71xx *ag, bool flush)
+{
+ struct ag71xx_ring *ring = &ag->tx_ring;
+ int sent = 0, bytes_compl = 0, n = 0;
+ struct net_device *ndev = ag->ndev;
+ int ring_mask, ring_size;
+ bool dma_stuck = false;
+
+ ring_mask = BIT(ring->order) - 1;
+ ring_size = BIT(ring->order);
+
+ netif_dbg(ag, tx_queued, ndev, "processing TX ring\n");
+
+ while (ring->dirty + n != ring->curr) {
+ struct ag71xx_desc *desc;
+ struct sk_buff *skb;
+ unsigned int i;
+
+ i = (ring->dirty + n) & ring_mask;
+ desc = ag71xx_ring_desc(ring, i);
+ skb = ring->buf[i].tx.skb;
+
+ if (!flush && !ag71xx_desc_empty(desc)) {
+ if (ag->dcfg->tx_hang_workaround &&
+ ag71xx_check_dma_stuck(ag)) {
+ schedule_delayed_work(&ag->restart_work,
+ HZ / 2);
+ dma_stuck = true;
+ }
+ break;
+ }
+
+ if (flush)
+ desc->ctrl |= DESC_EMPTY;
+
+ n++;
+ if (!skb)
+ continue;
+
+ dev_kfree_skb_any(skb);
+ ring->buf[i].tx.skb = NULL;
+
+ bytes_compl += ring->buf[i].tx.len;
+
+ sent++;
+ ring->dirty += n;
+
+ while (n > 0) {
+ ag71xx_wr(ag, AG71XX_REG_TX_STATUS, TX_STATUS_PS);
+ n--;
+ }
+ }
+
+ netif_dbg(ag, tx_done, ndev, "%d packets sent out\n", sent);
+
+ if (!sent)
+ return 0;
+
+ ag->ndev->stats.tx_bytes += bytes_compl;
+ ag->ndev->stats.tx_packets += sent;
+
+ netdev_completed_queue(ag->ndev, sent, bytes_compl);
+ if ((ring->curr - ring->dirty) < (ring_size * 3) / 4)
+ netif_wake_queue(ag->ndev);
+
+ if (!dma_stuck)
+ cancel_delayed_work(&ag->restart_work);
+
+ return sent;
+}
+
+static void ag71xx_dma_wait_stop(struct ag71xx *ag)
+{
+ struct net_device *ndev = ag->ndev;
+ int i;
+
+ for (i = 0; i < AG71XX_DMA_RETRY; i++) {
+ u32 rx, tx;
+
+ mdelay(AG71XX_DMA_DELAY);
+
+ rx = ag71xx_rr(ag, AG71XX_REG_RX_CTRL) & RX_CTRL_RXE;
+ tx = ag71xx_rr(ag, AG71XX_REG_TX_CTRL) & TX_CTRL_TXE;
+ if (!rx && !tx)
+ return;
+ }
+
+ netif_err(ag, hw, ndev, "DMA stop operation timed out\n");
+}
+
+static void ag71xx_dma_reset(struct ag71xx *ag)
+{
+ struct net_device *ndev = ag->ndev;
+ u32 val;
+ int i;
+
+ /* stop RX and TX */
+ ag71xx_wr(ag, AG71XX_REG_RX_CTRL, 0);
+ ag71xx_wr(ag, AG71XX_REG_TX_CTRL, 0);
+
+ /* give the hardware some time to really stop all rx/tx activity
+ * clearing the descriptors too early causes random memory corruption
+ */
+ ag71xx_dma_wait_stop(ag);
+
+ /* clear descriptor addresses */
+ ag71xx_wr(ag, AG71XX_REG_TX_DESC, ag->stop_desc_dma);
+ ag71xx_wr(ag, AG71XX_REG_RX_DESC, ag->stop_desc_dma);
+
+ /* clear pending RX/TX interrupts */
+ for (i = 0; i < 256; i++) {
+ ag71xx_wr(ag, AG71XX_REG_RX_STATUS, RX_STATUS_PR);
+ ag71xx_wr(ag, AG71XX_REG_TX_STATUS, TX_STATUS_PS);
+ }
+
+ /* clear pending errors */
+ ag71xx_wr(ag, AG71XX_REG_RX_STATUS, RX_STATUS_BE | RX_STATUS_OF);
+ ag71xx_wr(ag, AG71XX_REG_TX_STATUS, TX_STATUS_BE | TX_STATUS_UR);
+
+ val = ag71xx_rr(ag, AG71XX_REG_RX_STATUS);
+ if (val)
+ netif_err(ag, hw, ndev, "unable to clear DMA Rx status: %08x\n",
+ val);
+
+ val = ag71xx_rr(ag, AG71XX_REG_TX_STATUS);
+
+ /* mask out reserved bits */
+ val &= ~0xff000000;
+
+ if (val)
+ netif_err(ag, hw, ndev, "unable to clear DMA Tx status: %08x\n",
+ val);
+}
+
+static void ag71xx_hw_setup(struct ag71xx *ag)
+{
+ u32 init = MAC_CFG1_INIT;
+
+ /* setup MAC configuration registers */
+ ag71xx_wr(ag, AG71XX_REG_MAC_CFG1, init);
+
+ ag71xx_sb(ag, AG71XX_REG_MAC_CFG2,
+ MAC_CFG2_PAD_CRC_EN | MAC_CFG2_LEN_CHECK);
+
+ /* setup max frame length to zero */
+ ag71xx_wr(ag, AG71XX_REG_MAC_MFL, 0);
+
+ /* setup FIFO configuration registers */
+ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG0, FIFO_CFG0_INIT);
+ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG1, ag->fifodata[0]);
+ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG2, ag->fifodata[1]);
+ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG4, FIFO_CFG4_INIT);
+ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG5, FIFO_CFG5_INIT);
+}
+
+static unsigned int ag71xx_max_frame_len(unsigned int mtu)
+{
+ return ETH_SWITCH_HEADER_LEN + ETH_HLEN + VLAN_HLEN + mtu + ETH_FCS_LEN;
+}
+
+static void ag71xx_hw_set_macaddr(struct ag71xx *ag, unsigned char *mac)
+{
+ u32 t;
+
+ t = (((u32)mac[5]) << 24) | (((u32)mac[4]) << 16)
+ | (((u32)mac[3]) << 8) | ((u32)mac[2]);
+
+ ag71xx_wr(ag, AG71XX_REG_MAC_ADDR1, t);
+
+ t = (((u32)mac[1]) << 24) | (((u32)mac[0]) << 16);
+ ag71xx_wr(ag, AG71XX_REG_MAC_ADDR2, t);
+}
+
+static void ag71xx_fast_reset(struct ag71xx *ag)
+{
+ struct net_device *dev = ag->ndev;
+ u32 rx_ds;
+ u32 mii_reg;
+
+ ag71xx_hw_stop(ag);
+
+ mii_reg = ag71xx_rr(ag, AG71XX_REG_MII_CFG);
+ rx_ds = ag71xx_rr(ag, AG71XX_REG_RX_DESC);
+
+ ag71xx_tx_packets(ag, true);
+
+ reset_control_assert(ag->mac_reset);
+ usleep_range(10, 20);
+ reset_control_deassert(ag->mac_reset);
+ usleep_range(10, 20);
+
+ ag71xx_dma_reset(ag);
+ ag71xx_hw_setup(ag);
+ ag->tx_ring.curr = 0;
+ ag->tx_ring.dirty = 0;
+ netdev_reset_queue(ag->ndev);
+
+ /* setup max frame length */
+ ag71xx_wr(ag, AG71XX_REG_MAC_MFL,
+ ag71xx_max_frame_len(ag->ndev->mtu));
+
+ ag71xx_wr(ag, AG71XX_REG_RX_DESC, rx_ds);
+ ag71xx_wr(ag, AG71XX_REG_TX_DESC, ag->tx_ring.descs_dma);
+ ag71xx_wr(ag, AG71XX_REG_MII_CFG, mii_reg);
+
+ ag71xx_hw_set_macaddr(ag, dev->dev_addr);
+}
+
+static void ag71xx_hw_start(struct ag71xx *ag)
+{
+ /* start RX engine */
+ ag71xx_wr(ag, AG71XX_REG_RX_CTRL, RX_CTRL_RXE);
+
+ /* enable interrupts */
+ ag71xx_wr(ag, AG71XX_REG_INT_ENABLE, AG71XX_INT_INIT);
+
+ netif_wake_queue(ag->ndev);
+}
+
+static void ag71xx_link_adjust(struct ag71xx *ag, bool update)
+{
+ struct phy_device *phydev = ag->ndev->phydev;
+ u32 cfg2;
+ u32 ifctl;
+ u32 fifo5;
+
+ if (!phydev->link && update) {
+ ag71xx_hw_stop(ag);
+ return;
+ }
+
+ if (!ag71xx_is(ag, AR7100) && !ag71xx_is(ag, AR9130))
+ ag71xx_fast_reset(ag);
+
+ cfg2 = ag71xx_rr(ag, AG71XX_REG_MAC_CFG2);
+ cfg2 &= ~(MAC_CFG2_IF_1000 | MAC_CFG2_IF_10_100 | MAC_CFG2_FDX);
+ cfg2 |= (phydev->duplex) ? MAC_CFG2_FDX : 0;
+
+ ifctl = ag71xx_rr(ag, AG71XX_REG_MAC_IFCTL);
+ ifctl &= ~(MAC_IFCTL_SPEED);
+
+ fifo5 = ag71xx_rr(ag, AG71XX_REG_FIFO_CFG5);
+ fifo5 &= ~FIFO_CFG5_BM;
+
+ switch (phydev->speed) {
+ case SPEED_1000:
+ cfg2 |= MAC_CFG2_IF_1000;
+ fifo5 |= FIFO_CFG5_BM;
+ break;
+ case SPEED_100:
+ cfg2 |= MAC_CFG2_IF_10_100;
+ ifctl |= MAC_IFCTL_SPEED;
+ break;
+ case SPEED_10:
+ cfg2 |= MAC_CFG2_IF_10_100;
+ break;
+ default:
+ WARN(1, "not supported speed %i\n", phydev->speed);
+ return;
+ }
+
+ if (ag->tx_ring.desc_split) {
+ ag->fifodata[2] &= 0xffff;
+ ag->fifodata[2] |= ((2048 - ag->tx_ring.desc_split) / 4) << 16;
+ }
+
+ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG3, ag->fifodata[2]);
+
+ ag71xx_wr(ag, AG71XX_REG_MAC_CFG2, cfg2);
+ ag71xx_wr(ag, AG71XX_REG_FIFO_CFG5, fifo5);
+ ag71xx_wr(ag, AG71XX_REG_MAC_IFCTL, ifctl);
+
+ ag71xx_hw_start(ag);
+
+ if (update)
+ phy_print_status(phydev);
+}
+
+static void ag71xx_phy_link_adjust(struct net_device *ndev)
+{
+ struct ag71xx *ag = netdev_priv(ndev);
+
+ ag71xx_link_adjust(ag, true);
+}
+
+static int ag71xx_phy_connect(struct ag71xx *ag)
+{
+ struct device_node *np = ag->pdev->dev.of_node;
+ struct net_device *ndev = ag->ndev;
+ struct device_node *phy_node;
+ struct phy_device *phydev;
+ int ret;
+
+ if (of_phy_is_fixed_link(np)) {
+ ret = of_phy_register_fixed_link(np);
+ if (ret < 0) {
+ netif_err(ag, probe, ndev, "Failed to register fixed PHY link: %d\n",
+ ret);
+ return ret;
+ }
+
+ phy_node = of_node_get(np);
+ } else {
+ phy_node = of_parse_phandle(np, "phy-handle", 0);
+ }
+
+ if (!phy_node) {
+ netif_err(ag, probe, ndev, "Could not find valid phy node\n");
+ return -ENODEV;
+ }
+
+ phydev = of_phy_connect(ag->ndev, phy_node, ag71xx_phy_link_adjust,
+ 0, ag->phy_if_mode);
+
+ of_node_put(phy_node);
+
+ if (!phydev) {
+ netif_err(ag, probe, ndev, "Could not connect to PHY device\n");
+ return -ENODEV;
+ }
+
+ phy_attached_info(phydev);
+
+ return 0;
+}
+
+static void ag71xx_ring_tx_clean(struct ag71xx *ag)
+{
+ struct ag71xx_ring *ring = &ag->tx_ring;
+ int ring_mask = BIT(ring->order) - 1;
+ u32 bytes_compl = 0, pkts_compl = 0;
+ struct net_device *ndev = ag->ndev;
+
+ while (ring->curr != ring->dirty) {
+ struct ag71xx_desc *desc;
+ u32 i = ring->dirty & ring_mask;
+
+ desc = ag71xx_ring_desc(ring, i);
+ if (!ag71xx_desc_empty(desc)) {
+ desc->ctrl = 0;
+ ndev->stats.tx_errors++;
+ }
+
+ if (ring->buf[i].tx.skb) {
+ bytes_compl += ring->buf[i].tx.len;
+ pkts_compl++;
+ dev_kfree_skb_any(ring->buf[i].tx.skb);
+ }
+ ring->buf[i].tx.skb = NULL;
+ ring->dirty++;
+ }
+
+ /* flush descriptors */
+ wmb();
+
+ netdev_completed_queue(ndev, pkts_compl, bytes_compl);
+}
+
+static void ag71xx_ring_tx_init(struct ag71xx *ag)
+{
+ struct ag71xx_ring *ring = &ag->tx_ring;
+ int ring_size = BIT(ring->order);
+ int ring_mask = ring_size - 1;
+ int i;
+
+ for (i = 0; i < ring_size; i++) {
+ struct ag71xx_desc *desc = ag71xx_ring_desc(ring, i);
+
+ desc->next = (u32)(ring->descs_dma +
+ AG71XX_DESC_SIZE * ((i + 1) & ring_mask));
+
+ desc->ctrl = DESC_EMPTY;
+ ring->buf[i].tx.skb = NULL;
+ }
+
+ /* flush descriptors */
+ wmb();
+
+ ring->curr = 0;
+ ring->dirty = 0;
+ netdev_reset_queue(ag->ndev);
+}
+
+static void ag71xx_ring_rx_clean(struct ag71xx *ag)
+{
+ struct ag71xx_ring *ring = &ag->rx_ring;
+ int ring_size = BIT(ring->order);
+ int i;
+
+ if (!ring->buf)
+ return;
+
+ for (i = 0; i < ring_size; i++)
+ if (ring->buf[i].rx.rx_buf) {
+ dma_unmap_single(&ag->pdev->dev,
+ ring->buf[i].rx.dma_addr,
+ ag->rx_buf_size, DMA_FROM_DEVICE);
+ skb_free_frag(ring->buf[i].rx.rx_buf);
+ }
+}
+
+static int ag71xx_buffer_size(struct ag71xx *ag)
+{
+ return ag->rx_buf_size +
+ SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+}
+
+static bool ag71xx_fill_rx_buf(struct ag71xx *ag, struct ag71xx_buf *buf,
+ int offset,
+ void *(*alloc)(unsigned int size))
+{
+ struct ag71xx_ring *ring = &ag->rx_ring;
+ struct ag71xx_desc *desc;
+ void *data;
+
+ desc = ag71xx_ring_desc(ring, buf - &ring->buf[0]);
+
+ data = alloc(ag71xx_buffer_size(ag));
+ if (!data)
+ return false;
+
+ buf->rx.rx_buf = data;
+ buf->rx.dma_addr = dma_map_single(&ag->pdev->dev, data, ag->rx_buf_size,
+ DMA_FROM_DEVICE);
+ desc->data = (u32)buf->rx.dma_addr + offset;
+ return true;
+}
+
+static int ag71xx_ring_rx_init(struct ag71xx *ag)
+{
+ struct ag71xx_ring *ring = &ag->rx_ring;
+ struct net_device *ndev = ag->ndev;
+ int ring_mask = BIT(ring->order) - 1;
+ int ring_size = BIT(ring->order);
+ unsigned int i;
+ int ret;
+
+ ret = 0;
+ for (i = 0; i < ring_size; i++) {
+ struct ag71xx_desc *desc = ag71xx_ring_desc(ring, i);
+
+ desc->next = (u32)(ring->descs_dma +
+ AG71XX_DESC_SIZE * ((i + 1) & ring_mask));
+
+ netif_dbg(ag, rx_status, ndev, "RX desc at %p, next is %08x\n",
+ desc, desc->next);
+ }
+
+ for (i = 0; i < ring_size; i++) {
+ struct ag71xx_desc *desc = ag71xx_ring_desc(ring, i);
+
+ if (!ag71xx_fill_rx_buf(ag, &ring->buf[i], ag->rx_buf_offset,
+ netdev_alloc_frag)) {
+ ret = -ENOMEM;
+ break;
+ }
+
+ desc->ctrl = DESC_EMPTY;
+ }
+
+ /* flush descriptors */
+ wmb();
+
+ ring->curr = 0;
+ ring->dirty = 0;
+
+ return ret;
+}
+
+static int ag71xx_ring_rx_refill(struct ag71xx *ag)
+{
+ struct ag71xx_ring *ring = &ag->rx_ring;
+ int ring_mask = BIT(ring->order) - 1;
+ int offset = ag->rx_buf_offset;
+ unsigned int count;
+
+ count = 0;
+ for (; ring->curr - ring->dirty > 0; ring->dirty++) {
+ struct ag71xx_desc *desc;
+ unsigned int i;
+
+ i = ring->dirty & ring_mask;
+ desc = ag71xx_ring_desc(ring, i);
+
+ if (!ring->buf[i].rx.rx_buf &&
+ !ag71xx_fill_rx_buf(ag, &ring->buf[i], offset,
+ napi_alloc_frag))
+ break;
+
+ desc->ctrl = DESC_EMPTY;
+ count++;
+ }
+
+ /* flush descriptors */
+ wmb();
+
+ netif_dbg(ag, rx_status, ag->ndev, "%u rx descriptors refilled\n",
+ count);
+
+ return count;
+}
+
+static int ag71xx_rings_init(struct ag71xx *ag)
+{
+ struct ag71xx_ring *tx = &ag->tx_ring;
+ struct ag71xx_ring *rx = &ag->rx_ring;
+ int ring_size, tx_size;
+
+ ring_size = BIT(tx->order) + BIT(rx->order);
+ tx_size = BIT(tx->order);
+
+ tx->buf = kcalloc(ring_size, sizeof(*tx->buf), GFP_KERNEL);
+ if (!tx->buf)
+ return -ENOMEM;
+
+ tx->descs_cpu = dma_alloc_coherent(&ag->pdev->dev,
+ ring_size * AG71XX_DESC_SIZE,
+ &tx->descs_dma, GFP_ATOMIC);
+ if (!tx->descs_cpu) {
+ kfree(tx->buf);
+ tx->buf = NULL;
+ return -ENOMEM;
+ }
+
+ rx->buf = &tx->buf[BIT(tx->order)];
+ rx->descs_cpu = ((void *)tx->descs_cpu) + tx_size * AG71XX_DESC_SIZE;
+ rx->descs_dma = tx->descs_dma + tx_size * AG71XX_DESC_SIZE;
+
+ ag71xx_ring_tx_init(ag);
+ return ag71xx_ring_rx_init(ag);
+}
+
+static void ag71xx_rings_free(struct ag71xx *ag)
+{
+ struct ag71xx_ring *tx = &ag->tx_ring;
+ struct ag71xx_ring *rx = &ag->rx_ring;
+ int ring_size;
+
+ ring_size = BIT(tx->order) + BIT(rx->order);
+
+ if (tx->descs_cpu)
+ dma_free_coherent(&ag->pdev->dev, ring_size * AG71XX_DESC_SIZE,
+ tx->descs_cpu, tx->descs_dma);
+
+ kfree(tx->buf);
+
+ tx->descs_cpu = NULL;
+ rx->descs_cpu = NULL;
+ tx->buf = NULL;
+ rx->buf = NULL;
+}
+
+static void ag71xx_rings_cleanup(struct ag71xx *ag)
+{
+ ag71xx_ring_rx_clean(ag);
+ ag71xx_ring_tx_clean(ag);
+ ag71xx_rings_free(ag);
+
+ netdev_reset_queue(ag->ndev);
+}
+
+static void ag71xx_hw_init(struct ag71xx *ag)
+{
+ ag71xx_hw_stop(ag);
+
+ ag71xx_sb(ag, AG71XX_REG_MAC_CFG1, MAC_CFG1_SR);
+ usleep_range(20, 30);
+
+ reset_control_assert(ag->mac_reset);
+ msleep(100);
+ reset_control_deassert(ag->mac_reset);
+ msleep(200);
+
+ ag71xx_hw_setup(ag);
+
+ ag71xx_dma_reset(ag);
+}
+
+static int ag71xx_hw_enable(struct ag71xx *ag)
+{
+ int ret;
+
+ ret = ag71xx_rings_init(ag);
+ if (ret)
+ return ret;
+
+ napi_enable(&ag->napi);
+ ag71xx_wr(ag, AG71XX_REG_TX_DESC, ag->tx_ring.descs_dma);
+ ag71xx_wr(ag, AG71XX_REG_RX_DESC, ag->rx_ring.descs_dma);
+ netif_start_queue(ag->ndev);
+
+ return 0;
+}
+
+static void ag71xx_hw_disable(struct ag71xx *ag)
+{
+ netif_stop_queue(ag->ndev);
+
+ ag71xx_hw_stop(ag);
+ ag71xx_dma_reset(ag);
+
+ napi_disable(&ag->napi);
+ del_timer_sync(&ag->oom_timer);
+
+ ag71xx_rings_cleanup(ag);
+}
+
+static int ag71xx_open(struct net_device *ndev)
+{
+ struct ag71xx *ag = netdev_priv(ndev);
+ unsigned int max_frame_len;
+ int ret;
+
+ max_frame_len = ag71xx_max_frame_len(ndev->mtu);
+ ag->rx_buf_size =
+ SKB_DATA_ALIGN(max_frame_len + NET_SKB_PAD + NET_IP_ALIGN);
+
+ /* setup max frame length */
+ ag71xx_wr(ag, AG71XX_REG_MAC_MFL, max_frame_len);
+ ag71xx_hw_set_macaddr(ag, ndev->dev_addr);
+
+ ret = ag71xx_hw_enable(ag);
+ if (ret)
+ goto err;
+
+ ret = ag71xx_phy_connect(ag);
+ if (ret)
+ goto err;
+
+ phy_start(ndev->phydev);
+
+ return 0;
+
+err:
+ ag71xx_rings_cleanup(ag);
+ return ret;
+}
+
+static int ag71xx_stop(struct net_device *ndev)
+{
+ struct ag71xx *ag = netdev_priv(ndev);
+
+ phy_stop(ndev->phydev);
+ phy_disconnect(ndev->phydev);
+ ag71xx_hw_disable(ag);
+
+ return 0;
+}
+
+static int ag71xx_fill_dma_desc(struct ag71xx_ring *ring, u32 addr, int len)
+{
+ int i, ring_mask, ndesc, split;
+ struct ag71xx_desc *desc;
+
+ ring_mask = BIT(ring->order) - 1;
+ ndesc = 0;
+ split = ring->desc_split;
+
+ if (!split)
+ split = len;
+
+ while (len > 0) {
+ unsigned int cur_len = len;
+
+ i = (ring->curr + ndesc) & ring_mask;
+ desc = ag71xx_ring_desc(ring, i);
+
+ if (!ag71xx_desc_empty(desc))
+ return -1;
+
+ if (cur_len > split) {
+ cur_len = split;
+
+ /* TX will hang if DMA transfers <= 4 bytes,
+ * make sure next segment is more than 4 bytes long.
+ */
+ if (len <= split + 4)
+ cur_len -= 4;
+ }
+
+ desc->data = addr;
+ addr += cur_len;
+ len -= cur_len;
+
+ if (len > 0)
+ cur_len |= DESC_MORE;
+
+ /* prevent early tx attempt of this descriptor */
+ if (!ndesc)
+ cur_len |= DESC_EMPTY;
+
+ desc->ctrl = cur_len;
+ ndesc++;
+ }
+
+ return ndesc;
+}
+
+static netdev_tx_t ag71xx_hard_start_xmit(struct sk_buff *skb,
+ struct net_device *ndev)
+{
+ int i, n, ring_min, ring_mask, ring_size;
+ struct ag71xx *ag = netdev_priv(ndev);
+ struct ag71xx_ring *ring;
+ struct ag71xx_desc *desc;
+ dma_addr_t dma_addr;
+
+ ring = &ag->tx_ring;
+ ring_mask = BIT(ring->order) - 1;
+ ring_size = BIT(ring->order);
+
+ if (skb->len <= 4) {
+ netif_dbg(ag, tx_err, ndev, "packet len is too small\n");
+ goto err_drop;
+ }
+
+ dma_addr = dma_map_single(&ag->pdev->dev, skb->data, skb->len,
+ DMA_TO_DEVICE);
+
+ i = ring->curr & ring_mask;
+ desc = ag71xx_ring_desc(ring, i);
+
+ /* setup descriptor fields */
+ n = ag71xx_fill_dma_desc(ring, (u32)dma_addr,
+ skb->len & ag->dcfg->desc_pktlen_mask);
+ if (n < 0)
+ goto err_drop_unmap;
+
+ i = (ring->curr + n - 1) & ring_mask;
+ ring->buf[i].tx.len = skb->len;
+ ring->buf[i].tx.skb = skb;
+
+ netdev_sent_queue(ndev, skb->len);
+
+ skb_tx_timestamp(skb);
+
+ desc->ctrl &= ~DESC_EMPTY;
+ ring->curr += n;
+
+ /* flush descriptor */
+ wmb();
+
+ ring_min = 2;
+ if (ring->desc_split)
+ ring_min *= AG71XX_TX_RING_DS_PER_PKT;
+
+ if (ring->curr - ring->dirty >= ring_size - ring_min) {
+ netif_dbg(ag, tx_err, ndev, "tx queue full\n");
+ netif_stop_queue(ndev);
+ }
+
+ netif_dbg(ag, tx_queued, ndev, "packet injected into TX queue\n");
+
+ /* enable TX engine */
+ ag71xx_wr(ag, AG71XX_REG_TX_CTRL, TX_CTRL_TXE);
+
+ return NETDEV_TX_OK;
+
+err_drop_unmap:
+ dma_unmap_single(&ag->pdev->dev, dma_addr, skb->len, DMA_TO_DEVICE);
+
+err_drop:
+ ndev->stats.tx_dropped++;
+
+ dev_kfree_skb(skb);
+ return NETDEV_TX_OK;
+}
+
+static int ag71xx_do_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd)
+{
+ if (!ndev->phydev)
+ return -EINVAL;
+
+ return phy_mii_ioctl(ndev->phydev, ifr, cmd);
+}
+
+static void ag71xx_oom_timer_handler(struct timer_list *t)
+{
+ struct ag71xx *ag = from_timer(ag, t, oom_timer);
+
+ napi_schedule(&ag->napi);
+}
+
+static void ag71xx_tx_timeout(struct net_device *ndev)
+{
+ struct ag71xx *ag = netdev_priv(ndev);
+
+ netif_err(ag, tx_err, ndev, "tx timeout\n");
+
+ schedule_delayed_work(&ag->restart_work, 1);
+}
+
+static void ag71xx_restart_work_func(struct work_struct *work)
+{
+ struct ag71xx *ag = container_of(work, struct ag71xx,
+ restart_work.work);
+ struct net_device *ndev = ag->ndev;
+
+ rtnl_lock();
+ ag71xx_hw_disable(ag);
+ ag71xx_hw_enable(ag);
+ if (ndev->phydev->link)
+ ag71xx_link_adjust(ag, false);
+ rtnl_unlock();
+}
+
+static int ag71xx_rx_packets(struct ag71xx *ag, int limit)
+{
+ struct net_device *ndev = ag->ndev;
+ int ring_mask, ring_size, done = 0;
+ unsigned int pktlen_mask, offset;
+ struct sk_buff *next, *skb;
+ struct ag71xx_ring *ring;
+ struct list_head rx_list;
+
+ ring = &ag->rx_ring;
+ pktlen_mask = ag->dcfg->desc_pktlen_mask;
+ offset = ag->rx_buf_offset;
+ ring_mask = BIT(ring->order) - 1;
+ ring_size = BIT(ring->order);
+
+ netif_dbg(ag, rx_status, ndev, "rx packets, limit=%d, curr=%u, dirty=%u\n",
+ limit, ring->curr, ring->dirty);
+
+ INIT_LIST_HEAD(&rx_list);
+
+ while (done < limit) {
+ unsigned int i = ring->curr & ring_mask;
+ struct ag71xx_desc *desc = ag71xx_ring_desc(ring, i);
+ int pktlen;
+ int err = 0;
+
+ if (ag71xx_desc_empty(desc))
+ break;
+
+ if ((ring->dirty + ring_size) == ring->curr) {
+ WARN_ONCE(1, "RX out of ring");
+ break;
+ }
+
+ ag71xx_wr(ag, AG71XX_REG_RX_STATUS, RX_STATUS_PR);
+
+ pktlen = desc->ctrl & pktlen_mask;
+ pktlen -= ETH_FCS_LEN;
+
+ dma_unmap_single(&ag->pdev->dev, ring->buf[i].rx.dma_addr,
+ ag->rx_buf_size, DMA_FROM_DEVICE);
+
+ ndev->stats.rx_packets++;
+ ndev->stats.rx_bytes += pktlen;
+
+ skb = build_skb(ring->buf[i].rx.rx_buf, ag71xx_buffer_size(ag));
+ if (!skb) {
+ skb_free_frag(ring->buf[i].rx.rx_buf);
+ goto next;
+ }
+
+ skb_reserve(skb, offset);
+ skb_put(skb, pktlen);
+
+ if (err) {
+ ndev->stats.rx_dropped++;
+ kfree_skb(skb);
+ } else {
+ skb->dev = ndev;
+ skb->ip_summed = CHECKSUM_NONE;
+ list_add_tail(&skb->list, &rx_list);
+ }
+
+next:
+ ring->buf[i].rx.rx_buf = NULL;
+ done++;
+
+ ring->curr++;
+ }
+
+ ag71xx_ring_rx_refill(ag);
+
+ list_for_each_entry_safe(skb, next, &rx_list, list)
+ skb->protocol = eth_type_trans(skb, ndev);
+ netif_receive_skb_list(&rx_list);
+
+ netif_dbg(ag, rx_status, ndev, "rx finish, curr=%u, dirty=%u, done=%d\n",
+ ring->curr, ring->dirty, done);
+
+ return done;
+}
+
+static int ag71xx_poll(struct napi_struct *napi, int limit)
+{
+ struct ag71xx *ag = container_of(napi, struct ag71xx, napi);
+ struct ag71xx_ring *rx_ring = &ag->rx_ring;
+ int rx_ring_size = BIT(rx_ring->order);
+ struct net_device *ndev = ag->ndev;
+ int tx_done, rx_done;
+ u32 status;
+
+ tx_done = ag71xx_tx_packets(ag, false);
+
+ netif_dbg(ag, rx_status, ndev, "processing RX ring\n");
+ rx_done = ag71xx_rx_packets(ag, limit);
+
+ if (!rx_ring->buf[rx_ring->dirty % rx_ring_size].rx.rx_buf)
+ goto oom;
+
+ status = ag71xx_rr(ag, AG71XX_REG_RX_STATUS);
+ if (unlikely(status & RX_STATUS_OF)) {
+ ag71xx_wr(ag, AG71XX_REG_RX_STATUS, RX_STATUS_OF);
+ ndev->stats.rx_fifo_errors++;
+
+ /* restart RX */
+ ag71xx_wr(ag, AG71XX_REG_RX_CTRL, RX_CTRL_RXE);
+ }
+
+ if (rx_done < limit) {
+ if (status & RX_STATUS_PR)
+ goto more;
+
+ status = ag71xx_rr(ag, AG71XX_REG_TX_STATUS);
+ if (status & TX_STATUS_PS)
+ goto more;
+
+ netif_dbg(ag, rx_status, ndev, "disable polling mode, rx=%d, tx=%d,limit=%d\n",
+ rx_done, tx_done, limit);
+
+ napi_complete(napi);
+
+ /* enable interrupts */
+ ag71xx_int_enable(ag, AG71XX_INT_POLL);
+ return rx_done;
+ }
+
+more:
+ netif_dbg(ag, rx_status, ndev, "stay in polling mode, rx=%d, tx=%d, limit=%d\n",
+ rx_done, tx_done, limit);
+ return limit;
+
+oom:
+ netif_err(ag, rx_err, ndev, "out of memory\n");
+
+ mod_timer(&ag->oom_timer, jiffies + AG71XX_OOM_REFILL);
+ napi_complete(napi);
+ return 0;
+}
+
+static irqreturn_t ag71xx_interrupt(int irq, void *dev_id)
+{
+ struct net_device *ndev = dev_id;
+ struct ag71xx *ag;
+ u32 status;
+
+ ag = netdev_priv(ndev);
+ status = ag71xx_rr(ag, AG71XX_REG_INT_STATUS);
+
+ if (unlikely(!status))
+ return IRQ_NONE;
+
+ if (unlikely(status & AG71XX_INT_ERR)) {
+ if (status & AG71XX_INT_TX_BE) {
+ ag71xx_wr(ag, AG71XX_REG_TX_STATUS, TX_STATUS_BE);
+ netif_err(ag, intr, ndev, "TX BUS error\n");
+ }
+ if (status & AG71XX_INT_RX_BE) {
+ ag71xx_wr(ag, AG71XX_REG_RX_STATUS, RX_STATUS_BE);
+ netif_err(ag, intr, ndev, "RX BUS error\n");
+ }
+ }
+
+ if (likely(status & AG71XX_INT_POLL)) {
+ ag71xx_int_disable(ag, AG71XX_INT_POLL);
+ netif_dbg(ag, intr, ndev, "enable polling mode\n");
+ napi_schedule(&ag->napi);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static int ag71xx_change_mtu(struct net_device *ndev, int new_mtu)
+{
+ struct ag71xx *ag = netdev_priv(ndev);
+
+ ndev->mtu = new_mtu;
+ ag71xx_wr(ag, AG71XX_REG_MAC_MFL,
+ ag71xx_max_frame_len(ndev->mtu));
+
+ return 0;
+}
+
+static const struct net_device_ops ag71xx_netdev_ops = {
+ .ndo_open = ag71xx_open,
+ .ndo_stop = ag71xx_stop,
+ .ndo_start_xmit = ag71xx_hard_start_xmit,
+ .ndo_do_ioctl = ag71xx_do_ioctl,
+ .ndo_tx_timeout = ag71xx_tx_timeout,
+ .ndo_change_mtu = ag71xx_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
+static const u32 ar71xx_addr_ar7100[] = {
+ 0x19000000, 0x1a000000,
+};
+
+static int ag71xx_probe(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ const struct ag71xx_dcfg *dcfg;
+ struct net_device *ndev;
+ struct resource *res;
+ const void *mac_addr;
+ int tx_size, err, i;
+ struct ag71xx *ag;
+
+ if (!np)
+ return -ENODEV;
+
+ ndev = devm_alloc_etherdev(&pdev->dev, sizeof(*ag));
+ if (!ndev)
+ return -ENOMEM;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -EINVAL;
+
+ dcfg = of_device_get_match_data(&pdev->dev);
+ if (!dcfg)
+ return -EINVAL;
+
+ ag = netdev_priv(ndev);
+ ag->mac_idx = -1;
+ for (i = 0; i < ARRAY_SIZE(ar71xx_addr_ar7100); i++) {
+ if (ar71xx_addr_ar7100[i] == res->start)
+ ag->mac_idx = i;
+ }
+
+ if (ag->mac_idx < 0) {
+ netif_err(ag, probe, ndev, "unknown mac idx\n");
+ return -EINVAL;
+ }
+
+ ag->clk_eth = devm_clk_get(&pdev->dev, "eth");
+ if (IS_ERR(ag->clk_eth)) {
+ netif_err(ag, probe, ndev, "Failed to get eth clk.\n");
+ return PTR_ERR(ag->clk_eth);
+ }
+
+ SET_NETDEV_DEV(ndev, &pdev->dev);
+
+ ag->pdev = pdev;
+ ag->ndev = ndev;
+ ag->dcfg = dcfg;
+ ag->msg_enable = netif_msg_init(-1, AG71XX_DEFAULT_MSG_ENABLE);
+ memcpy(ag->fifodata, dcfg->fifodata, sizeof(ag->fifodata));
+
+ ag->mac_reset = devm_reset_control_get(&pdev->dev, "mac");
+ if (IS_ERR(ag->mac_reset)) {
+ netif_err(ag, probe, ndev, "missing mac reset\n");
+ err = PTR_ERR(ag->mac_reset);
+ goto err_free;
+ }
+
+ ag->mac_base = devm_ioremap_nocache(&pdev->dev, res->start,
+ res->end - res->start + 1);
+ if (!ag->mac_base) {
+ err = -ENOMEM;
+ goto err_free;
+ }
+
+ ndev->irq = platform_get_irq(pdev, 0);
+ err = devm_request_irq(&pdev->dev, ndev->irq, ag71xx_interrupt,
+ 0x0, dev_name(&pdev->dev), ndev);
+ if (err) {
+ netif_err(ag, probe, ndev, "unable to request IRQ %d\n",
+ ndev->irq);
+ goto err_free;
+ }
+
+ ndev->netdev_ops = &ag71xx_netdev_ops;
+
+ INIT_DELAYED_WORK(&ag->restart_work, ag71xx_restart_work_func);
+ timer_setup(&ag->oom_timer, ag71xx_oom_timer_handler, 0);
+
+ tx_size = AG71XX_TX_RING_SIZE_DEFAULT;
+ ag->rx_ring.order = ag71xx_ring_size_order(AG71XX_RX_RING_SIZE_DEFAULT);
+
+ ndev->min_mtu = 68;
+ ndev->max_mtu = dcfg->max_frame_len - ag71xx_max_frame_len(0);
+
+ ag->rx_buf_offset = NET_SKB_PAD;
+ if (!ag71xx_is(ag, AR7100) && !ag71xx_is(ag, AR9130))
+ ag->rx_buf_offset += NET_IP_ALIGN;
+
+ if (ag71xx_is(ag, AR7100)) {
+ ag->tx_ring.desc_split = AG71XX_TX_RING_SPLIT;
+ tx_size *= AG71XX_TX_RING_DS_PER_PKT;
+ }
+ ag->tx_ring.order = ag71xx_ring_size_order(tx_size);
+
+ ag->stop_desc = dmam_alloc_coherent(&pdev->dev,
+ sizeof(struct ag71xx_desc),
+ &ag->stop_desc_dma, GFP_KERNEL);
+ if (!ag->stop_desc) {
+ err = -ENOMEM;
+ goto err_free;
+ }
+
+ ag->stop_desc->data = 0;
+ ag->stop_desc->ctrl = 0;
+ ag->stop_desc->next = (u32)ag->stop_desc_dma;
+
+ mac_addr = of_get_mac_address(np);
+ if (!IS_ERR(mac_addr))
+ memcpy(ndev->dev_addr, mac_addr, ETH_ALEN);
+ if (IS_ERR(mac_addr) || !is_valid_ether_addr(ndev->dev_addr)) {
+ netif_err(ag, probe, ndev, "invalid MAC address, using random address\n");
+ eth_random_addr(ndev->dev_addr);
+ }
+
+ ag->phy_if_mode = of_get_phy_mode(np);
+ if (ag->phy_if_mode < 0) {
+ netif_err(ag, probe, ndev, "missing phy-mode property in DT\n");
+ err = ag->phy_if_mode;
+ goto err_free;
+ }
+
+ netif_napi_add(ndev, &ag->napi, ag71xx_poll, AG71XX_NAPI_WEIGHT);
+
+ err = clk_prepare_enable(ag->clk_eth);
+ if (err) {
+ netif_err(ag, probe, ndev, "Failed to enable eth clk.\n");
+ goto err_free;
+ }
+
+ ag71xx_wr(ag, AG71XX_REG_MAC_CFG1, 0);
+
+ ag71xx_hw_init(ag);
+
+ err = ag71xx_mdio_probe(ag);
+ if (err)
+ goto err_put_clk;
+
+ platform_set_drvdata(pdev, ndev);
+
+ err = register_netdev(ndev);
+ if (err) {
+ netif_err(ag, probe, ndev, "unable to register net device\n");
+ platform_set_drvdata(pdev, NULL);
+ goto err_mdio_remove;
+ }
+
+ netif_info(ag, probe, ndev, "Atheros AG71xx at 0x%08lx, irq %d, mode:%s\n",
+ (unsigned long)ag->mac_base, ndev->irq,
+ phy_modes(ag->phy_if_mode));
+
+ return 0;
+
+err_mdio_remove:
+ ag71xx_mdio_remove(ag);
+err_put_clk:
+ clk_disable_unprepare(ag->clk_eth);
+err_free:
+ free_netdev(ndev);
+ return err;
+}
+
+static int ag71xx_remove(struct platform_device *pdev)
+{
+ struct net_device *ndev = platform_get_drvdata(pdev);
+ struct ag71xx *ag;
+
+ if (!ndev)
+ return 0;
+
+ ag = netdev_priv(ndev);
+ unregister_netdev(ndev);
+ ag71xx_mdio_remove(ag);
+ clk_disable_unprepare(ag->clk_eth);
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+static const u32 ar71xx_fifo_ar7100[] = {
+ 0x0fff0000, 0x00001fff, 0x00780fff,
+};
+
+static const u32 ar71xx_fifo_ar9130[] = {
+ 0x0fff0000, 0x00001fff, 0x008001ff,
+};
+
+static const u32 ar71xx_fifo_ar9330[] = {
+ 0x0010ffff, 0x015500aa, 0x01f00140,
+};
+
+static const struct ag71xx_dcfg ag71xx_dcfg_ar7100 = {
+ .type = AR7100,
+ .fifodata = ar71xx_fifo_ar7100,
+ .max_frame_len = 1540,
+ .desc_pktlen_mask = SZ_4K - 1,
+ .tx_hang_workaround = false,
+};
+
+static const struct ag71xx_dcfg ag71xx_dcfg_ar7240 = {
+ .type = AR7240,
+ .fifodata = ar71xx_fifo_ar7100,
+ .max_frame_len = 1540,
+ .desc_pktlen_mask = SZ_4K - 1,
+ .tx_hang_workaround = true,
+};
+
+static const struct ag71xx_dcfg ag71xx_dcfg_ar9130 = {
+ .type = AR9130,
+ .fifodata = ar71xx_fifo_ar9130,
+ .max_frame_len = 1540,
+ .desc_pktlen_mask = SZ_4K - 1,
+ .tx_hang_workaround = false,
+};
+
+static const struct ag71xx_dcfg ag71xx_dcfg_ar9330 = {
+ .type = AR9330,
+ .fifodata = ar71xx_fifo_ar9330,
+ .max_frame_len = 1540,
+ .desc_pktlen_mask = SZ_4K - 1,
+ .tx_hang_workaround = true,
+};
+
+static const struct ag71xx_dcfg ag71xx_dcfg_ar9340 = {
+ .type = AR9340,
+ .fifodata = ar71xx_fifo_ar9330,
+ .max_frame_len = SZ_16K - 1,
+ .desc_pktlen_mask = SZ_16K - 1,
+ .tx_hang_workaround = true,
+};
+
+static const struct ag71xx_dcfg ag71xx_dcfg_qca9530 = {
+ .type = QCA9530,
+ .fifodata = ar71xx_fifo_ar9330,
+ .max_frame_len = SZ_16K - 1,
+ .desc_pktlen_mask = SZ_16K - 1,
+ .tx_hang_workaround = true,
+};
+
+static const struct ag71xx_dcfg ag71xx_dcfg_qca9550 = {
+ .type = QCA9550,
+ .fifodata = ar71xx_fifo_ar9330,
+ .max_frame_len = 1540,
+ .desc_pktlen_mask = SZ_16K - 1,
+ .tx_hang_workaround = true,
+};
+
+static const struct of_device_id ag71xx_match[] = {
+ { .compatible = "qca,ar7100-eth", .data = &ag71xx_dcfg_ar7100 },
+ { .compatible = "qca,ar7240-eth", .data = &ag71xx_dcfg_ar7240 },
+ { .compatible = "qca,ar7241-eth", .data = &ag71xx_dcfg_ar7240 },
+ { .compatible = "qca,ar7242-eth", .data = &ag71xx_dcfg_ar7240 },
+ { .compatible = "qca,ar9130-eth", .data = &ag71xx_dcfg_ar9130 },
+ { .compatible = "qca,ar9330-eth", .data = &ag71xx_dcfg_ar9330 },
+ { .compatible = "qca,ar9340-eth", .data = &ag71xx_dcfg_ar9340 },
+ { .compatible = "qca,qca9530-eth", .data = &ag71xx_dcfg_qca9530 },
+ { .compatible = "qca,qca9550-eth", .data = &ag71xx_dcfg_qca9550 },
+ { .compatible = "qca,qca9560-eth", .data = &ag71xx_dcfg_qca9550 },
+ {}
+};
+
+static struct platform_driver ag71xx_driver = {
+ .probe = ag71xx_probe,
+ .remove = ag71xx_remove,
+ .driver = {
+ .name = "ag71xx",
+ .of_match_table = ag71xx_match,
+ }
+};
+
+module_platform_driver(ag71xx_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c.h b/drivers/net/ethernet/atheros/atl1c/atl1c.h
index c46b489ce9b4..60b2febd7315 100644
--- a/drivers/net/ethernet/atheros/atl1c/atl1c.h
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c.h
@@ -1,22 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright(c) 2008 - 2009 Atheros Corporation. All rights reserved.
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _ATL1C_H_
diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_ethtool.c b/drivers/net/ethernet/atheros/atl1c/atl1c_ethtool.c
index 28e9ae1a193b..b5a70a36fa04 100644
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_ethtool.c
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_ethtool.c
@@ -1,23 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright(c) 2009 - 2009 Atheros Corporation. All rights reserved.
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
*/
#include <linux/netdevice.h>
diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_hw.c b/drivers/net/ethernet/atheros/atl1c/atl1c_hw.c
index 73efdb05a490..140358dcf61e 100644
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_hw.c
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_hw.c
@@ -1,22 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright(c) 2007 Atheros Corporation. All rights reserved.
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <linux/pci.h>
#include <linux/delay.h>
diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_hw.h b/drivers/net/ethernet/atheros/atl1c/atl1c_hw.h
index 21d8c4dbdbe1..ce1a123dce2c 100644
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_hw.h
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_hw.h
@@ -1,22 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright(c) 2008 - 2009 Atheros Corporation. All rights reserved.
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _ATL1C_HW_H_
diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
index 0f1eb1981469..be7f9cebb675 100644
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
@@ -1,22 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright(c) 2008 - 2009 Atheros Corporation. All rights reserved.
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "atl1c.h"
@@ -2214,7 +2201,7 @@ static netdev_tx_t atl1c_xmit_frame(struct sk_buff *skb,
struct net_device *netdev)
{
struct atl1c_adapter *adapter = netdev_priv(netdev);
- u16 tpd_req = 1;
+ u16 tpd_req;
struct atl1c_tpd_desc *tpd;
enum atl1c_trans_queue type = atl1c_trans_normal;
diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e.h b/drivers/net/ethernet/atheros/atl1e/atl1e.h
index 632bb843aed6..e9893da50995 100644
--- a/drivers/net/ethernet/atheros/atl1e/atl1e.h
+++ b/drivers/net/ethernet/atheros/atl1e/atl1e.h
@@ -1,23 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright(c) 2007 Atheros Corporation. All rights reserved.
* Copyright(c) 2007 xiong huang <xiong.huang@atheros.com>
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _ATL1E_H_
diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_ethtool.c b/drivers/net/ethernet/atheros/atl1e/atl1e_ethtool.c
index 282ebdde4769..c6b9e7ea8e38 100644
--- a/drivers/net/ethernet/atheros/atl1e/atl1e_ethtool.c
+++ b/drivers/net/ethernet/atheros/atl1e/atl1e_ethtool.c
@@ -1,23 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright(c) 2007 Atheros Corporation. All rights reserved.
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
*/
#include <linux/netdevice.h>
diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_hw.c b/drivers/net/ethernet/atheros/atl1e/atl1e_hw.c
index 113565da155f..fa89bc27f62d 100644
--- a/drivers/net/ethernet/atheros/atl1e/atl1e_hw.c
+++ b/drivers/net/ethernet/atheros/atl1e/atl1e_hw.c
@@ -1,22 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright(c) 2007 Atheros Corporation. All rights reserved.
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <linux/pci.h>
#include <linux/delay.h>
diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_hw.h b/drivers/net/ethernet/atheros/atl1e/atl1e_hw.h
index 88a6271de5bc..3193f7d26945 100644
--- a/drivers/net/ethernet/atheros/atl1e/atl1e_hw.h
+++ b/drivers/net/ethernet/atheros/atl1e/atl1e_hw.h
@@ -1,22 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright(c) 2007 Atheros Corporation. All rights reserved.
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _ATHL1E_HW_H_
diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
index 9dfe6a9431e6..7f14e010bfeb 100644
--- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
+++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
@@ -1,22 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright(c) 2007 Atheros Corporation. All rights reserved.
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "atl1e.h"
diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_param.c b/drivers/net/ethernet/atheros/atl1e/atl1e_param.c
index fa314282c9ad..6b1d6df8da97 100644
--- a/drivers/net/ethernet/atheros/atl1e/atl1e_param.c
+++ b/drivers/net/ethernet/atheros/atl1e/atl1e_param.c
@@ -1,22 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright(c) 2007 Atheros Corporation. All rights reserved.
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <linux/netdevice.h>
diff --git a/drivers/net/ethernet/atheros/atlx/atl1.c b/drivers/net/ethernet/atheros/atlx/atl1.c
index 7c767ce9aafa..b5c6dc914720 100644
--- a/drivers/net/ethernet/atheros/atlx/atl1.c
+++ b/drivers/net/ethernet/atheros/atlx/atl1.c
@@ -1060,8 +1060,6 @@ static s32 atl1_setup_ring_resources(struct atl1_adapter *adapter)
goto err_nomem;
}
- memset(ring_header->desc, 0, ring_header->size);
-
/* init TPD ring */
tpd_ring->dma = ring_header->dma;
offset = (tpd_ring->dma & 0x7) ? (8 - (ring_header->dma & 0x7)) : 0;
diff --git a/drivers/net/ethernet/atheros/atlx/atl1.h b/drivers/net/ethernet/atheros/atlx/atl1.h
index eacff19ea05b..6b264c5127a5 100644
--- a/drivers/net/ethernet/atheros/atlx/atl1.h
+++ b/drivers/net/ethernet/atheros/atlx/atl1.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved.
* Copyright(c) 2006 - 2007 Chris Snook <csnook@redhat.com>
@@ -5,20 +6,6 @@
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef ATL1_H
diff --git a/drivers/net/ethernet/atheros/atlx/atl2.c b/drivers/net/ethernet/atheros/atlx/atl2.c
index dd81c5863111..3aba38322717 100644
--- a/drivers/net/ethernet/atheros/atlx/atl2.c
+++ b/drivers/net/ethernet/atheros/atlx/atl2.c
@@ -1,23 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright(c) 2006 - 2007 Atheros Corporation. All rights reserved.
* Copyright(c) 2007 - 2008 Chris Snook <csnook@redhat.com>
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <linux/atomic.h>
@@ -304,7 +291,6 @@ static s32 atl2_setup_ring_resources(struct atl2_adapter *adapter)
&adapter->ring_dma);
if (!adapter->ring_vir_addr)
return -ENOMEM;
- memset(adapter->ring_vir_addr, 0, adapter->ring_size);
/* Init TXD Ring */
adapter->txd_dma = adapter->ring_dma ;
diff --git a/drivers/net/ethernet/atheros/atlx/atl2.h b/drivers/net/ethernet/atheros/atlx/atl2.h
index 25ec84cb4853..d97613bd15d5 100644
--- a/drivers/net/ethernet/atheros/atlx/atl2.h
+++ b/drivers/net/ethernet/atheros/atlx/atl2.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/* atl2.h -- atl2 driver definitions
*
* Copyright(c) 2007 Atheros Corporation. All rights reserved.
@@ -6,20 +7,6 @@
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _ATL2_H_
diff --git a/drivers/net/ethernet/atheros/atlx/atlx.c b/drivers/net/ethernet/atheros/atlx/atlx.c
index 46a622cceee4..505a22c703f7 100644
--- a/drivers/net/ethernet/atheros/atlx/atlx.c
+++ b/drivers/net/ethernet/atheros/atlx/atlx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* atlx.c -- common functions for Attansic network drivers
*
* Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved.
@@ -7,20 +8,6 @@
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* Including this file like a header is a temporary hack, I promise. -- CHS */
diff --git a/drivers/net/ethernet/atheros/atlx/atlx.h b/drivers/net/ethernet/atheros/atlx/atlx.h
index 448f5dcc02e6..7f5d4e24eb9f 100644
--- a/drivers/net/ethernet/atheros/atlx/atlx.h
+++ b/drivers/net/ethernet/atheros/atlx/atlx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/* atlx_hw.h -- common hardware definitions for Attansic network drivers
*
* Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved.
@@ -7,20 +8,6 @@
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef ATLX_H
diff --git a/drivers/net/ethernet/aurora/nb8800.c b/drivers/net/ethernet/aurora/nb8800.c
index 3c4967eecef1..3b3370a94a9c 100644
--- a/drivers/net/ethernet/aurora/nb8800.c
+++ b/drivers/net/ethernet/aurora/nb8800.c
@@ -1,23 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2015 Mans Rullgard <mans@mansr.com>
*
* Mostly rewritten, based on driver from Sigma Designs. Original
* copyright notice below.
*
- *
* Driver for tangox SMP864x/SMP865x/SMP867x/SMP868x builtin Ethernet Mac.
*
* Copyright (C) 2005 Maxime Bizon <mbizon@freebox.fr>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/module.h>
diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig
index b123509d385f..e9017caf024d 100644
--- a/drivers/net/ethernet/broadcom/Kconfig
+++ b/drivers/net/ethernet/broadcom/Kconfig
@@ -8,6 +8,7 @@ config NET_VENDOR_BROADCOM
default y
depends on (SSB_POSSIBLE && HAS_DMA) || PCI || BCM63XX || \
SIBYTE_SB1xxx_SOC
+ select DIMLIB
---help---
If you have a network (Ethernet) chipset belonging to this class,
say Y.
@@ -198,6 +199,7 @@ config BNXT
select FW_LOADER
select LIBCRC32C
select NET_DEVLINK
+ select PAGE_POOL
---help---
This driver supports Broadcom NetXtreme-C/E 10/25/40/50 gigabit
Ethernet cards. To compile this driver as a module, choose M here:
diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
index 85e610210477..291e4afd4a1a 100644
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -2659,7 +2659,6 @@ static int bcm_enetsw_probe(struct platform_device *pdev)
if (!dev)
return -ENOMEM;
priv = netdev_priv(dev);
- memset(priv, 0, sizeof(*priv));
/* initialize default and fetch platform data */
priv->enet_is_sw = true;
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index c623896e3ccb..b9c5cea8db16 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Broadcom BCM7xxx System Port Ethernet MAC driver
*
* Copyright (C) 2014 Broadcom Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -612,7 +609,7 @@ static int bcm_sysport_set_coalesce(struct net_device *dev,
struct ethtool_coalesce *ec)
{
struct bcm_sysport_priv *priv = netdev_priv(dev);
- struct net_dim_cq_moder moder;
+ struct dim_cq_moder moder;
u32 usecs, pkts;
unsigned int i;
@@ -995,7 +992,7 @@ static int bcm_sysport_poll(struct napi_struct *napi, int budget)
{
struct bcm_sysport_priv *priv =
container_of(napi, struct bcm_sysport_priv, napi);
- struct net_dim_sample dim_sample;
+ struct dim_sample dim_sample;
unsigned int work_done = 0;
work_done = bcm_sysport_desc_rx(priv, budget);
@@ -1019,8 +1016,8 @@ static int bcm_sysport_poll(struct napi_struct *napi, int budget)
}
if (priv->dim.use_dim) {
- net_dim_sample(priv->dim.event_ctr, priv->dim.packets,
- priv->dim.bytes, &dim_sample);
+ dim_update_sample(priv->dim.event_ctr, priv->dim.packets,
+ priv->dim.bytes, &dim_sample);
net_dim(&priv->dim.dim, dim_sample);
}
@@ -1090,16 +1087,16 @@ static void bcm_sysport_resume_from_wol(struct bcm_sysport_priv *priv)
static void bcm_sysport_dim_work(struct work_struct *work)
{
- struct net_dim *dim = container_of(work, struct net_dim, work);
+ struct dim *dim = container_of(work, struct dim, work);
struct bcm_sysport_net_dim *ndim =
container_of(dim, struct bcm_sysport_net_dim, dim);
struct bcm_sysport_priv *priv =
container_of(ndim, struct bcm_sysport_priv, dim);
- struct net_dim_cq_moder cur_profile =
- net_dim_get_rx_moderation(dim->mode, dim->profile_ix);
+ struct dim_cq_moder cur_profile = net_dim_get_rx_moderation(dim->mode,
+ dim->profile_ix);
bcm_sysport_set_rx_coalesce(priv, cur_profile.usec, cur_profile.pkts);
- dim->state = NET_DIM_START_MEASURE;
+ dim->state = DIM_START_MEASURE;
}
/* RX and misc interrupt routine */
@@ -1440,7 +1437,7 @@ static void bcm_sysport_init_dim(struct bcm_sysport_priv *priv,
struct bcm_sysport_net_dim *dim = &priv->dim;
INIT_WORK(&dim->dim.work, cb);
- dim->dim.mode = NET_DIM_CQ_PERIOD_MODE_START_FROM_EQE;
+ dim->dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE;
dim->event_ctr = 0;
dim->packets = 0;
dim->bytes = 0;
@@ -1449,7 +1446,7 @@ static void bcm_sysport_init_dim(struct bcm_sysport_priv *priv,
static void bcm_sysport_init_rx_coalesce(struct bcm_sysport_priv *priv)
{
struct bcm_sysport_net_dim *dim = &priv->dim;
- struct net_dim_cq_moder moder;
+ struct dim_cq_moder moder;
u32 usecs, pkts;
usecs = priv->rx_coalesce_usecs;
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.h b/drivers/net/ethernet/broadcom/bcmsysport.h
index 6f3141c86436..6d80735fbc7f 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.h
+++ b/drivers/net/ethernet/broadcom/bcmsysport.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Broadcom BCM7xxx System Port Ethernet MAC driver
*
* Copyright (C) 2014 Broadcom Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef __BCM_SYSPORT_H
@@ -14,7 +11,7 @@
#include <linux/bitmap.h>
#include <linux/ethtool.h>
#include <linux/if_vlan.h>
-#include <linux/net_dim.h>
+#include <linux/dim.h>
/* Receive/transmit descriptor format */
#define DESC_ADDR_HI_STATUS_LEN 0x00
@@ -705,7 +702,7 @@ struct bcm_sysport_net_dim {
u16 event_ctr;
unsigned long packets;
unsigned long bytes;
- struct net_dim dim;
+ struct dim dim;
};
/* Software view of the TX ring */
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 008ad0ca89ba..e2be5a685130 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -285,6 +285,9 @@ int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata)
hw_cons = le16_to_cpu(*txdata->tx_cons_sb);
sw_cons = txdata->tx_pkt_cons;
+ /* Ensure subsequent loads occur after hw_cons */
+ smp_rmb();
+
while (sw_cons != hw_cons) {
u16 pkt_cons;
@@ -684,7 +687,7 @@ static void *bnx2x_frag_alloc(const struct bnx2x_fastpath *fp, gfp_t gfp_mask)
if (unlikely(gfpflags_allow_blocking(gfp_mask)))
return (void *)__get_free_page(gfp_mask);
- return netdev_alloc_frag(fp->rx_frag_size);
+ return napi_alloc_frag(fp->rx_frag_size);
}
return kmalloc(fp->rx_buf_size + NET_SKB_PAD, gfp_mask);
@@ -3857,9 +3860,12 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) {
if (!(bp->flags & TX_TIMESTAMPING_EN)) {
+ bp->eth_stats.ptp_skip_tx_ts++;
BNX2X_ERR("Tx timestamping was not enabled, this packet will not be timestamped\n");
} else if (bp->ptp_tx_skb) {
- BNX2X_ERR("The device supports only a single outstanding packet to timestamp, this packet will not be timestamped\n");
+ bp->eth_stats.ptp_skip_tx_ts++;
+ netdev_err_once(bp->dev,
+ "Device supports only a single outstanding packet to timestamp, this packet won't be timestamped\n");
} else {
skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
/* schedule check for Tx timestamp */
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
index 0745cccd416d..4a0ba6801c9e 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
@@ -182,7 +182,9 @@ static const struct {
{ STATS_OFFSET32(driver_filtered_tx_pkt),
4, false, "driver_filtered_tx_pkt" },
{ STATS_OFFSET32(eee_tx_lpi),
- 4, true, "Tx LPI entry count"}
+ 4, true, "Tx LPI entry count"},
+ { STATS_OFFSET32(ptp_skip_tx_ts),
+ 4, false, "ptp_skipped_tx_tstamp" },
};
#define BNX2X_NUM_STATS ARRAY_SIZE(bnx2x_stats_arr)
@@ -1609,7 +1611,8 @@ static int bnx2x_get_module_info(struct net_device *dev,
}
if (!sff8472_comp ||
- (diag_type & SFP_EEPROM_DIAG_ADDR_CHANGE_REQ)) {
+ (diag_type & SFP_EEPROM_DIAG_ADDR_CHANGE_REQ) ||
+ !(diag_type & SFP_EEPROM_DDM_IMPLEMENTED)) {
modinfo->type = ETH_MODULE_SFF_8079;
modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
} else {
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h
index b7d251108c19..7115f5025664 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h
@@ -62,6 +62,7 @@
#define SFP_EEPROM_DIAG_TYPE_ADDR 0x5c
#define SFP_EEPROM_DIAG_TYPE_SIZE 1
#define SFP_EEPROM_DIAG_ADDR_CHANGE_REQ (1<<2)
+#define SFP_EEPROM_DDM_IMPLEMENTED (1<<6)
#define SFP_EEPROM_SFF_8472_COMP_ADDR 0x5e
#define SFP_EEPROM_SFF_8472_COMP_SIZE 1
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 03ac10b1cd1e..2cc14db8f0ec 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -15214,11 +15214,24 @@ static void bnx2x_ptp_task(struct work_struct *work)
u32 val_seq;
u64 timestamp, ns;
struct skb_shared_hwtstamps shhwtstamps;
+ bool bail = true;
+ int i;
+
+ /* FW may take a while to complete timestamping; try a bit and if it's
+ * still not complete, may indicate an error state - bail out then.
+ */
+ for (i = 0; i < 10; i++) {
+ /* Read Tx timestamp registers */
+ val_seq = REG_RD(bp, port ? NIG_REG_P1_TLLH_PTP_BUF_SEQID :
+ NIG_REG_P0_TLLH_PTP_BUF_SEQID);
+ if (val_seq & 0x10000) {
+ bail = false;
+ break;
+ }
+ msleep(1 << i);
+ }
- /* Read Tx timestamp registers */
- val_seq = REG_RD(bp, port ? NIG_REG_P1_TLLH_PTP_BUF_SEQID :
- NIG_REG_P0_TLLH_PTP_BUF_SEQID);
- if (val_seq & 0x10000) {
+ if (!bail) {
/* There is a valid timestamp value */
timestamp = REG_RD(bp, port ? NIG_REG_P1_TLLH_PTP_BUF_TS_MSB :
NIG_REG_P0_TLLH_PTP_BUF_TS_MSB);
@@ -15233,16 +15246,18 @@ static void bnx2x_ptp_task(struct work_struct *work)
memset(&shhwtstamps, 0, sizeof(shhwtstamps));
shhwtstamps.hwtstamp = ns_to_ktime(ns);
skb_tstamp_tx(bp->ptp_tx_skb, &shhwtstamps);
- dev_kfree_skb_any(bp->ptp_tx_skb);
- bp->ptp_tx_skb = NULL;
DP(BNX2X_MSG_PTP, "Tx timestamp, timestamp cycles = %llu, ns = %llu\n",
timestamp, ns);
} else {
- DP(BNX2X_MSG_PTP, "There is no valid Tx timestamp yet\n");
- /* Reschedule to keep checking for a valid timestamp value */
- schedule_work(&bp->ptp_task);
+ DP(BNX2X_MSG_PTP,
+ "Tx timestamp is not recorded (register read=%u)\n",
+ val_seq);
+ bp->eth_stats.ptp_skip_tx_ts++;
}
+
+ dev_kfree_skb_any(bp->ptp_tx_skb);
+ bp->ptp_tx_skb = NULL;
}
void bnx2x_set_rx_ts(struct bnx2x *bp, struct sk_buff *skb)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.h
index b2644ed13d06..d55e63692cf3 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.h
@@ -207,6 +207,9 @@ struct bnx2x_eth_stats {
u32 driver_filtered_tx_pkt;
/* src: Clear-on-Read register; Will not survive PMF Migration */
u32 eee_tx_lpi;
+
+ /* PTP */
+ u32 ptp_skip_tx_ts;
};
struct bnx2x_eth_q_stats {
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 8314c00d7537..7134d2c3eb1c 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -54,6 +54,7 @@
#include <net/pkt_cls.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
+#include <net/page_pool.h>
#include "bnxt_hsi.h"
#include "bnxt.h"
@@ -668,19 +669,20 @@ next_tx_int:
}
static struct page *__bnxt_alloc_rx_page(struct bnxt *bp, dma_addr_t *mapping,
+ struct bnxt_rx_ring_info *rxr,
gfp_t gfp)
{
struct device *dev = &bp->pdev->dev;
struct page *page;
- page = alloc_page(gfp);
+ page = page_pool_dev_alloc_pages(rxr->page_pool);
if (!page)
return NULL;
*mapping = dma_map_page_attrs(dev, page, 0, PAGE_SIZE, bp->rx_dir,
DMA_ATTR_WEAK_ORDERING);
if (dma_mapping_error(dev, *mapping)) {
- __free_page(page);
+ page_pool_recycle_direct(rxr->page_pool, page);
return NULL;
}
*mapping += bp->rx_dma_offset;
@@ -716,7 +718,8 @@ int bnxt_alloc_rx_data(struct bnxt *bp, struct bnxt_rx_ring_info *rxr,
dma_addr_t mapping;
if (BNXT_RX_PAGE_MODE(bp)) {
- struct page *page = __bnxt_alloc_rx_page(bp, &mapping, gfp);
+ struct page *page =
+ __bnxt_alloc_rx_page(bp, &mapping, rxr, gfp);
if (!page)
return -ENOMEM;
@@ -1642,6 +1645,8 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
skb = bnxt_copy_skb(bnapi, data_ptr, len, dma_addr);
bnxt_reuse_rx_data(rxr, cons, data);
if (!skb) {
+ if (agg_bufs)
+ bnxt_reuse_rx_agg_bufs(cpr, cp_cons, agg_bufs);
rc = -ENOMEM;
goto next_rx;
}
@@ -1987,6 +1992,9 @@ static int __bnxt_poll_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
}
}
+ if (event & BNXT_REDIRECT_EVENT)
+ xdp_do_flush_map();
+
if (event & BNXT_TX_EVENT) {
struct bnxt_tx_ring_info *txr = bnapi->tx_ring;
u16 prod = txr->tx_prod;
@@ -2128,12 +2136,12 @@ static int bnxt_poll(struct napi_struct *napi, int budget)
}
}
if (bp->flags & BNXT_FLAG_DIM) {
- struct net_dim_sample dim_sample;
+ struct dim_sample dim_sample;
- net_dim_sample(cpr->event_ctr,
- cpr->rx_packets,
- cpr->rx_bytes,
- &dim_sample);
+ dim_update_sample(cpr->event_ctr,
+ cpr->rx_packets,
+ cpr->rx_bytes,
+ &dim_sample);
net_dim(&cpr->dim, dim_sample);
}
return work_done;
@@ -2252,9 +2260,23 @@ static void bnxt_free_tx_skbs(struct bnxt *bp)
for (j = 0; j < max_idx;) {
struct bnxt_sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
- struct sk_buff *skb = tx_buf->skb;
+ struct sk_buff *skb;
int k, last;
+ if (i < bp->tx_nr_rings_xdp &&
+ tx_buf->action == XDP_REDIRECT) {
+ dma_unmap_single(&pdev->dev,
+ dma_unmap_addr(tx_buf, mapping),
+ dma_unmap_len(tx_buf, len),
+ PCI_DMA_TODEVICE);
+ xdp_return_frame(tx_buf->xdpf);
+ tx_buf->action = 0;
+ tx_buf->xdpf = NULL;
+ j++;
+ continue;
+ }
+
+ skb = tx_buf->skb;
if (!skb) {
j++;
continue;
@@ -2341,7 +2363,7 @@ static void bnxt_free_rx_skbs(struct bnxt *bp)
dma_unmap_page_attrs(&pdev->dev, mapping,
PAGE_SIZE, bp->rx_dir,
DMA_ATTR_WEAK_ORDERING);
- __free_page(data);
+ page_pool_recycle_direct(rxr->page_pool, data);
} else {
dma_unmap_single_attrs(&pdev->dev, mapping,
bp->rx_buf_use_size,
@@ -2478,6 +2500,9 @@ static void bnxt_free_rx_rings(struct bnxt *bp)
if (xdp_rxq_info_is_reg(&rxr->xdp_rxq))
xdp_rxq_info_unreg(&rxr->xdp_rxq);
+ page_pool_destroy(rxr->page_pool);
+ rxr->page_pool = NULL;
+
kfree(rxr->rx_tpa);
rxr->rx_tpa = NULL;
@@ -2492,6 +2517,26 @@ static void bnxt_free_rx_rings(struct bnxt *bp)
}
}
+static int bnxt_alloc_rx_page_pool(struct bnxt *bp,
+ struct bnxt_rx_ring_info *rxr)
+{
+ struct page_pool_params pp = { 0 };
+
+ pp.pool_size = bp->rx_ring_size;
+ pp.nid = dev_to_node(&bp->pdev->dev);
+ pp.dev = &bp->pdev->dev;
+ pp.dma_dir = DMA_BIDIRECTIONAL;
+
+ rxr->page_pool = page_pool_create(&pp);
+ if (IS_ERR(rxr->page_pool)) {
+ int err = PTR_ERR(rxr->page_pool);
+
+ rxr->page_pool = NULL;
+ return err;
+ }
+ return 0;
+}
+
static int bnxt_alloc_rx_rings(struct bnxt *bp)
{
int i, rc, agg_rings = 0, tpa_rings = 0;
@@ -2511,10 +2556,22 @@ static int bnxt_alloc_rx_rings(struct bnxt *bp)
ring = &rxr->rx_ring_struct;
+ rc = bnxt_alloc_rx_page_pool(bp, rxr);
+ if (rc)
+ return rc;
+
rc = xdp_rxq_info_reg(&rxr->xdp_rxq, bp->dev, i);
if (rc < 0)
return rc;
+ rc = xdp_rxq_info_reg_mem_model(&rxr->xdp_rxq,
+ MEM_TYPE_PAGE_POOL,
+ rxr->page_pool);
+ if (rc) {
+ xdp_rxq_info_unreg(&rxr->xdp_rxq);
+ return rc;
+ }
+
rc = bnxt_alloc_ring(bp, &ring->ring_mem);
if (rc)
return rc;
@@ -2620,8 +2677,6 @@ static int bnxt_alloc_tx_rings(struct bnxt *bp)
mapping = txr->tx_push_mapping +
sizeof(struct tx_push_bd);
txr->data_mapping = cpu_to_le64(mapping);
-
- memset(txr->tx_push, 0, sizeof(struct tx_push_bd));
}
qidx = bp->tc_to_qidx[j];
ring->queue_id = bp->q_info[qidx].queue_id;
@@ -3020,7 +3075,7 @@ static int bnxt_alloc_vnics(struct bnxt *bp)
int num_vnics = 1;
#ifdef CONFIG_RFS_ACCEL
- if (bp->flags & BNXT_FLAG_RFS)
+ if ((bp->flags & (BNXT_FLAG_RFS | BNXT_FLAG_CHIP_P5)) == BNXT_FLAG_RFS)
num_vnics += bp->rx_nr_rings;
#endif
@@ -5506,7 +5561,16 @@ static int bnxt_cp_rings_in_use(struct bnxt *bp)
static int bnxt_get_func_stat_ctxs(struct bnxt *bp)
{
- return bp->cp_nr_rings + bnxt_get_ulp_stat_ctxs(bp);
+ int ulp_stat = bnxt_get_ulp_stat_ctxs(bp);
+ int cp = bp->cp_nr_rings;
+
+ if (!ulp_stat)
+ return cp;
+
+ if (bnxt_nq_rings_in_use(bp) > cp + bnxt_get_ulp_msix_num(bp))
+ return bnxt_get_ulp_msix_base(bp) + ulp_stat;
+
+ return cp + ulp_stat;
}
static bool bnxt_need_reserve_rings(struct bnxt *bp)
@@ -6377,7 +6441,7 @@ static int bnxt_alloc_ctx_mem(struct bnxt *bp)
if (!ctx || (ctx->flags & BNXT_CTX_FLAG_INITED))
return 0;
- if (bp->flags & BNXT_FLAG_ROCE_CAP) {
+ if ((bp->flags & BNXT_FLAG_ROCE_CAP) && !is_kdump_kernel()) {
pg_lvl = 2;
extra_qps = 65536;
extra_srqs = 8192;
@@ -7122,6 +7186,9 @@ static int bnxt_alloc_rfs_vnics(struct bnxt *bp)
#ifdef CONFIG_RFS_ACCEL
int i, rc = 0;
+ if (bp->flags & BNXT_FLAG_CHIP_P5)
+ return 0;
+
for (i = 0; i < bp->rx_nr_rings; i++) {
struct bnxt_vnic_info *vnic;
u16 vnic_id = i + 1;
@@ -7475,11 +7542,7 @@ unsigned int bnxt_get_avail_cp_rings_for_en(struct bnxt *bp)
unsigned int bnxt_get_avail_stat_ctxs_for_en(struct bnxt *bp)
{
- unsigned int stat;
-
- stat = bnxt_get_max_func_stat_ctxs(bp) - bnxt_get_ulp_stat_ctxs(bp);
- stat -= bp->cp_nr_rings;
- return stat;
+ return bnxt_get_max_func_stat_ctxs(bp) - bnxt_get_func_stat_ctxs(bp);
}
int bnxt_get_avail_msix(struct bnxt *bp, int num)
@@ -7616,22 +7679,23 @@ static void bnxt_clear_int_mode(struct bnxt *bp)
bp->flags &= ~BNXT_FLAG_USING_MSIX;
}
-int bnxt_reserve_rings(struct bnxt *bp)
+int bnxt_reserve_rings(struct bnxt *bp, bool irq_re_init)
{
int tcs = netdev_get_num_tc(bp->dev);
- bool reinit_irq = false;
+ bool irq_cleared = false;
int rc;
if (!bnxt_need_reserve_rings(bp))
return 0;
- if (BNXT_NEW_RM(bp) && (bnxt_get_num_msix(bp) != bp->total_irqs)) {
+ if (irq_re_init && BNXT_NEW_RM(bp) &&
+ bnxt_get_num_msix(bp) != bp->total_irqs) {
bnxt_ulp_irq_stop(bp);
bnxt_clear_int_mode(bp);
- reinit_irq = true;
+ irq_cleared = true;
}
rc = __bnxt_reserve_rings(bp);
- if (reinit_irq) {
+ if (irq_cleared) {
if (!rc)
rc = bnxt_init_int_mode(bp);
bnxt_ulp_irq_restart(bp, rc);
@@ -7810,7 +7874,7 @@ static void bnxt_enable_napi(struct bnxt *bp)
if (bp->bnapi[i]->rx_ring) {
INIT_WORK(&cpr->dim.work, bnxt_dim_work);
- cpr->dim.mode = NET_DIM_CQ_PERIOD_MODE_START_FROM_EQE;
+ cpr->dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE;
}
napi_enable(&bp->bnapi[i]->napi);
}
@@ -8530,7 +8594,7 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
return rc;
}
}
- rc = bnxt_reserve_rings(bp);
+ rc = bnxt_reserve_rings(bp, irq_re_init);
if (rc)
return rc;
if ((bp->flags & BNXT_FLAG_RFS) &&
@@ -9584,7 +9648,7 @@ int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs,
return -ENOMEM;
vnics = 1;
- if (bp->flags & BNXT_FLAG_RFS)
+ if ((bp->flags & (BNXT_FLAG_RFS | BNXT_FLAG_CHIP_P5)) == BNXT_FLAG_RFS)
vnics += rx_rings;
if (bp->flags & BNXT_FLAG_AGG_RINGS)
@@ -9844,32 +9908,19 @@ static int bnxt_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
}
}
-static int bnxt_setup_tc_block(struct net_device *dev,
- struct tc_block_offload *f)
-{
- struct bnxt *bp = netdev_priv(dev);
-
- if (f->binder_type != TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
- return -EOPNOTSUPP;
-
- switch (f->command) {
- case TC_BLOCK_BIND:
- return tcf_block_cb_register(f->block, bnxt_setup_tc_block_cb,
- bp, bp, f->extack);
- case TC_BLOCK_UNBIND:
- tcf_block_cb_unregister(f->block, bnxt_setup_tc_block_cb, bp);
- return 0;
- default:
- return -EOPNOTSUPP;
- }
-}
+static LIST_HEAD(bnxt_block_cb_list);
static int bnxt_setup_tc(struct net_device *dev, enum tc_setup_type type,
void *type_data)
{
+ struct bnxt *bp = netdev_priv(dev);
+
switch (type) {
case TC_SETUP_BLOCK:
- return bnxt_setup_tc_block(dev, type_data);
+ return flow_block_cb_setup_simple(type_data,
+ &bnxt_block_cb_list,
+ bnxt_setup_tc_block_cb,
+ bp, bp, true);
case TC_SETUP_QDISC_MQPRIO: {
struct tc_mqprio_qopt *mqprio = type_data;
@@ -10230,6 +10281,7 @@ static const struct net_device_ops bnxt_netdev_ops = {
.ndo_udp_tunnel_add = bnxt_udp_tunnel_add,
.ndo_udp_tunnel_del = bnxt_udp_tunnel_del,
.ndo_bpf = bnxt_xdp,
+ .ndo_xdp_xmit = bnxt_xdp_xmit,
.ndo_bridge_getlink = bnxt_bridge_getlink,
.ndo_bridge_setlink = bnxt_bridge_setlink,
.ndo_get_devlink_port = bnxt_get_devlink_port,
@@ -10259,10 +10311,10 @@ static void bnxt_remove_one(struct pci_dev *pdev)
bnxt_dcb_free(bp);
kfree(bp->edev);
bp->edev = NULL;
+ bnxt_cleanup_pci(bp);
bnxt_free_ctx_mem(bp);
kfree(bp->ctx);
bp->ctx = NULL;
- bnxt_cleanup_pci(bp);
bnxt_free_port_stats(bp);
free_netdev(dev);
}
@@ -10434,7 +10486,7 @@ static int bnxt_set_dflt_rings(struct bnxt *bp, bool sh)
if (sh)
bp->flags |= BNXT_FLAG_SHARED_RINGS;
- dflt_rings = netif_get_num_default_rss_queues();
+ dflt_rings = is_kdump_kernel() ? 1 : netif_get_num_default_rss_queues();
/* Reduce default rings on multi-port cards so that total default
* rings do not exceed CPU count.
*/
@@ -10722,11 +10774,12 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
goto init_err_pci_clean;
}
- /* Read the adapter's DSN to use as the eswitch switch_id */
- rc = bnxt_pcie_dsn_get(bp, bp->switch_id);
- if (rc)
- goto init_err_pci_clean;
-
+ if (BNXT_PF(bp)) {
+ /* Read the adapter's DSN to use as the eswitch switch_id */
+ rc = bnxt_pcie_dsn_get(bp, bp->switch_id);
+ if (rc)
+ goto init_err_pci_clean;
+ }
bnxt_hwrm_func_qcfg(bp);
bnxt_hwrm_vnic_qcaps(bp);
bnxt_hwrm_port_led_qcaps(bp);
@@ -10855,6 +10908,7 @@ static void bnxt_shutdown(struct pci_dev *pdev)
if (system_state == SYSTEM_POWER_OFF) {
bnxt_clear_int_mode(bp);
+ pci_disable_device(pdev);
pci_wake_from_d3(pdev, bp->wol);
pci_set_power_state(pdev, PCI_D3hot);
}
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index eca36dd6b751..16694b704d15 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -20,10 +20,13 @@
#include <linux/interrupt.h>
#include <linux/rhashtable.h>
+#include <linux/crash_dump.h>
#include <net/devlink.h>
#include <net/dst_metadata.h>
#include <net/xdp.h>
-#include <linux/net_dim.h>
+#include <linux/dim.h>
+
+struct page_pool;
struct tx_bd {
__le32 tx_bd_len_flags_type;
@@ -586,15 +589,21 @@ struct nqe_cn {
#define BNXT_HWRM_CHNL_CHIMP 0
#define BNXT_HWRM_CHNL_KONG 1
-#define BNXT_RX_EVENT 1
-#define BNXT_AGG_EVENT 2
-#define BNXT_TX_EVENT 4
+#define BNXT_RX_EVENT 1
+#define BNXT_AGG_EVENT 2
+#define BNXT_TX_EVENT 4
+#define BNXT_REDIRECT_EVENT 8
struct bnxt_sw_tx_bd {
- struct sk_buff *skb;
+ union {
+ struct sk_buff *skb;
+ struct xdp_frame *xdpf;
+ };
DEFINE_DMA_UNMAP_ADDR(mapping);
+ DEFINE_DMA_UNMAP_LEN(len);
u8 is_gso;
u8 is_push;
+ u8 action;
union {
unsigned short nr_frags;
u16 rx_prod;
@@ -792,6 +801,7 @@ struct bnxt_rx_ring_info {
struct bnxt_ring_struct rx_ring_struct;
struct bnxt_ring_struct rx_agg_ring_struct;
struct xdp_rxq_info xdp_rxq;
+ struct page_pool *page_pool;
};
struct bnxt_cp_ring_info {
@@ -809,7 +819,7 @@ struct bnxt_cp_ring_info {
u64 rx_bytes;
u64 event_ctr;
- struct net_dim dim;
+ struct dim dim;
union {
struct tx_cmp *cp_desc_ring[MAX_CP_PAGES];
@@ -1369,7 +1379,8 @@ struct bnxt {
#define BNXT_CHIP_TYPE_NITRO_A0(bp) ((bp)->flags & BNXT_FLAG_CHIP_NITRO_A0)
#define BNXT_RX_PAGE_MODE(bp) ((bp)->flags & BNXT_FLAG_RX_PAGE_MODE)
#define BNXT_SUPPORTS_TPA(bp) (!BNXT_CHIP_TYPE_NITRO_A0(bp) && \
- !(bp->flags & BNXT_FLAG_CHIP_P5))
+ !(bp->flags & BNXT_FLAG_CHIP_P5) && \
+ !is_kdump_kernel())
/* Chip class phase 5 */
#define BNXT_CHIP_P5(bp) \
@@ -1790,7 +1801,7 @@ unsigned int bnxt_get_avail_stat_ctxs_for_en(struct bnxt *bp);
unsigned int bnxt_get_max_func_cp_rings(struct bnxt *bp);
unsigned int bnxt_get_avail_cp_rings_for_en(struct bnxt *bp);
int bnxt_get_avail_msix(struct bnxt *bp, int num);
-int bnxt_reserve_rings(struct bnxt *bp);
+int bnxt_reserve_rings(struct bnxt *bp, bool irq_re_init);
void bnxt_tx_disable(struct bnxt *bp);
void bnxt_tx_enable(struct bnxt *bp);
int bnxt_hwrm_set_pause(struct bnxt *);
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
index 70775158c8c4..07301cb87c03 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
@@ -396,7 +396,7 @@ static int bnxt_hwrm_queue_dscp_qcaps(struct bnxt *bp)
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_QUEUE_DSCP_QCAPS, -1, -1);
mutex_lock(&bp->hwrm_cmd_lock);
- rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+ rc = _hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (!rc) {
bp->max_dscp_value = (1 << resp->num_dscp_bits) - 1;
if (bp->max_dscp_value < 0x3f)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_debugfs.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_debugfs.c
index 94e208e9789f..61393f351a77 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_debugfs.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_debugfs.c
@@ -11,7 +11,7 @@
#include <linux/module.h>
#include <linux/pci.h>
#include "bnxt_hsi.h"
-#include <linux/net_dim.h>
+#include <linux/dim.h>
#include "bnxt.h"
#include "bnxt_debugfs.h"
@@ -21,7 +21,7 @@ static ssize_t debugfs_dim_read(struct file *filep,
char __user *buffer,
size_t count, loff_t *ppos)
{
- struct net_dim *dim = filep->private_data;
+ struct dim *dim = filep->private_data;
int len;
char *buf;
@@ -61,7 +61,7 @@ static const struct file_operations debugfs_dim_fops = {
.read = debugfs_dim_read,
};
-static struct dentry *debugfs_dim_ring_init(struct net_dim *dim, int ring_idx,
+static struct dentry *debugfs_dim_ring_init(struct dim *dim, int ring_idx,
struct dentry *dd)
{
static char qname[16];
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_dim.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_dim.c
index afa97c8bb081..6f6576dc417a 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_dim.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_dim.c
@@ -7,26 +7,25 @@
* the Free Software Foundation.
*/
-#include <linux/net_dim.h>
+#include <linux/dim.h>
#include "bnxt_hsi.h"
#include "bnxt.h"
void bnxt_dim_work(struct work_struct *work)
{
- struct net_dim *dim = container_of(work, struct net_dim,
- work);
+ struct dim *dim = container_of(work, struct dim, work);
struct bnxt_cp_ring_info *cpr = container_of(dim,
struct bnxt_cp_ring_info,
dim);
struct bnxt_napi *bnapi = container_of(cpr,
struct bnxt_napi,
cp_ring);
- struct net_dim_cq_moder cur_moder =
+ struct dim_cq_moder cur_moder =
net_dim_get_rx_moderation(dim->mode, dim->profile_ix);
cpr->rx_ring_coal.coal_ticks = cur_moder.usec;
cpr->rx_ring_coal.coal_bufs = cur_moder.pkts;
bnxt_hwrm_set_ring_coal(bnapi->bp, bnapi);
- dim->state = NET_DIM_START_MEASURE;
+ dim->state = DIM_START_MEASURE;
}
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index b1263821a6e9..c7ee63d69679 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -831,7 +831,7 @@ static int bnxt_set_channels(struct net_device *dev,
*/
}
} else {
- rc = bnxt_reserve_rings(bp);
+ rc = bnxt_reserve_rings(bp, true);
}
return rc;
@@ -2799,7 +2799,7 @@ static int bnxt_run_loopback(struct bnxt *bp)
dev_kfree_skb(skb);
return -EIO;
}
- bnxt_xmit_xdp(bp, txr, map, pkt_size, 0);
+ bnxt_xmit_bd(bp, txr, map, pkt_size);
/* Sync BD data before updating doorbell */
wmb();
@@ -2842,7 +2842,7 @@ static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
bool offline = false;
u8 test_results = 0;
u8 test_mask = 0;
- int rc, i;
+ int rc = 0, i;
if (!bp->num_tests || !BNXT_SINGLE_PF(bp))
return;
@@ -2913,9 +2913,9 @@ static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
}
bnxt_hwrm_phy_loopback(bp, false, false);
bnxt_half_close_nic(bp);
- bnxt_open_nic(bp, false, true);
+ rc = bnxt_open_nic(bp, false, true);
}
- if (bnxt_test_irq(bp)) {
+ if (rc || bnxt_test_irq(bp)) {
buf[BNXT_IRQ_TEST_IDX] = 1;
etest->flags |= ETH_TEST_FL_FAILED;
}
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
index 44d6c5743fb9..6fe4a7174271 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
@@ -170,10 +170,10 @@ static int bnxt_tc_parse_actions(struct bnxt *bp,
}
static int bnxt_tc_parse_flow(struct bnxt *bp,
- struct tc_cls_flower_offload *tc_flow_cmd,
+ struct flow_cls_offload *tc_flow_cmd,
struct bnxt_tc_flow *flow)
{
- struct flow_rule *rule = tc_cls_flower_offload_flow_rule(tc_flow_cmd);
+ struct flow_rule *rule = flow_cls_offload_flow_rule(tc_flow_cmd);
struct flow_dissector *dissector = rule->match.dissector;
/* KEY_CONTROL and KEY_BASIC are needed for forming a meaningful key */
@@ -1262,7 +1262,7 @@ static void bnxt_tc_set_src_fid(struct bnxt *bp, struct bnxt_tc_flow *flow,
* The hash-tables are already protected by the rhashtable API.
*/
static int bnxt_tc_add_flow(struct bnxt *bp, u16 src_fid,
- struct tc_cls_flower_offload *tc_flow_cmd)
+ struct flow_cls_offload *tc_flow_cmd)
{
struct bnxt_tc_flow_node *new_node, *old_node;
struct bnxt_tc_info *tc_info = bp->tc_info;
@@ -1348,7 +1348,7 @@ done:
}
static int bnxt_tc_del_flow(struct bnxt *bp,
- struct tc_cls_flower_offload *tc_flow_cmd)
+ struct flow_cls_offload *tc_flow_cmd)
{
struct bnxt_tc_info *tc_info = bp->tc_info;
struct bnxt_tc_flow_node *flow_node;
@@ -1363,7 +1363,7 @@ static int bnxt_tc_del_flow(struct bnxt *bp,
}
static int bnxt_tc_get_flow_stats(struct bnxt *bp,
- struct tc_cls_flower_offload *tc_flow_cmd)
+ struct flow_cls_offload *tc_flow_cmd)
{
struct bnxt_tc_flow_stats stats, *curr_stats, *prev_stats;
struct bnxt_tc_info *tc_info = bp->tc_info;
@@ -1585,14 +1585,14 @@ void bnxt_tc_flow_stats_work(struct bnxt *bp)
}
int bnxt_tc_setup_flower(struct bnxt *bp, u16 src_fid,
- struct tc_cls_flower_offload *cls_flower)
+ struct flow_cls_offload *cls_flower)
{
switch (cls_flower->command) {
- case TC_CLSFLOWER_REPLACE:
+ case FLOW_CLS_REPLACE:
return bnxt_tc_add_flow(bp, src_fid, cls_flower);
- case TC_CLSFLOWER_DESTROY:
+ case FLOW_CLS_DESTROY:
return bnxt_tc_del_flow(bp, cls_flower);
- case TC_CLSFLOWER_STATS:
+ case FLOW_CLS_STATS:
return bnxt_tc_get_flow_stats(bp, cls_flower);
default:
return -EOPNOTSUPP;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.h
index 8a0968967bc5..ffec57d1a5ec 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.h
@@ -196,7 +196,7 @@ struct bnxt_tc_flow_node {
};
int bnxt_tc_setup_flower(struct bnxt *bp, u16 src_fid,
- struct tc_cls_flower_offload *cls_flower);
+ struct flow_cls_offload *cls_flower);
int bnxt_init_tc(struct bnxt *bp);
void bnxt_shutdown_tc(struct bnxt *bp);
void bnxt_tc_flow_stats_work(struct bnxt *bp);
@@ -209,7 +209,7 @@ static inline bool bnxt_tc_flower_enabled(struct bnxt *bp)
#else /* CONFIG_BNXT_FLOWER_OFFLOAD */
static inline int bnxt_tc_setup_flower(struct bnxt *bp, u16 src_fid,
- struct tc_cls_flower_offload *cls_flower)
+ struct flow_cls_offload *cls_flower)
{
return -EOPNOTSUPP;
}
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
index cf475873ce81..fc77caf0a076 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
@@ -147,7 +147,7 @@ static int bnxt_req_msix_vecs(struct bnxt_en_dev *edev, int ulp_id,
bnxt_close_nic(bp, true, false);
rc = bnxt_open_nic(bp, true, false);
} else {
- rc = bnxt_reserve_rings(bp);
+ rc = bnxt_reserve_rings(bp, true);
}
}
if (rc) {
@@ -157,8 +157,10 @@ static int bnxt_req_msix_vecs(struct bnxt_en_dev *edev, int ulp_id,
if (BNXT_NEW_RM(bp)) {
struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
+ int resv_msix;
- avail_msix = hw_resc->resv_irqs - bp->cp_nr_rings;
+ resv_msix = hw_resc->resv_irqs - bp->cp_nr_rings;
+ avail_msix = min_t(int, resv_msix, avail_msix);
edev->ulp_tbl[ulp_id].msix_requested = avail_msix;
}
bnxt_fill_msix_vecs(bp, ent);
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c
index f760921389a3..f9bf7d7250ab 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c
@@ -161,34 +161,19 @@ static int bnxt_vf_rep_setup_tc_block_cb(enum tc_setup_type type,
}
}
-static int bnxt_vf_rep_setup_tc_block(struct net_device *dev,
- struct tc_block_offload *f)
-{
- struct bnxt_vf_rep *vf_rep = netdev_priv(dev);
-
- if (f->binder_type != TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
- return -EOPNOTSUPP;
-
- switch (f->command) {
- case TC_BLOCK_BIND:
- return tcf_block_cb_register(f->block,
- bnxt_vf_rep_setup_tc_block_cb,
- vf_rep, vf_rep, f->extack);
- case TC_BLOCK_UNBIND:
- tcf_block_cb_unregister(f->block,
- bnxt_vf_rep_setup_tc_block_cb, vf_rep);
- return 0;
- default:
- return -EOPNOTSUPP;
- }
-}
+static LIST_HEAD(bnxt_vf_block_cb_list);
static int bnxt_vf_rep_setup_tc(struct net_device *dev, enum tc_setup_type type,
void *type_data)
{
+ struct bnxt_vf_rep *vf_rep = netdev_priv(dev);
+
switch (type) {
case TC_SETUP_BLOCK:
- return bnxt_vf_rep_setup_tc_block(dev, type_data);
+ return flow_block_cb_setup_simple(type_data,
+ &bnxt_vf_block_cb_list,
+ bnxt_vf_rep_setup_tc_block_cb,
+ vf_rep, vf_rep, true);
default:
return -EOPNOTSUPP;
}
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
index 0184ef6f05a7..c6f6f2033880 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
@@ -15,12 +15,14 @@
#include <linux/bpf.h>
#include <linux/bpf_trace.h>
#include <linux/filter.h>
+#include <net/page_pool.h>
#include "bnxt_hsi.h"
#include "bnxt.h"
#include "bnxt_xdp.h"
-void bnxt_xmit_xdp(struct bnxt *bp, struct bnxt_tx_ring_info *txr,
- dma_addr_t mapping, u32 len, u16 rx_prod)
+struct bnxt_sw_tx_bd *bnxt_xmit_bd(struct bnxt *bp,
+ struct bnxt_tx_ring_info *txr,
+ dma_addr_t mapping, u32 len)
{
struct bnxt_sw_tx_bd *tx_buf;
struct tx_bd *txbd;
@@ -29,7 +31,6 @@ void bnxt_xmit_xdp(struct bnxt *bp, struct bnxt_tx_ring_info *txr,
prod = txr->tx_prod;
tx_buf = &txr->tx_buf_ring[prod];
- tx_buf->rx_prod = rx_prod;
txbd = &txr->tx_desc_ring[TX_RING(prod)][TX_IDX(prod)];
flags = (len << TX_BD_LEN_SHIFT) | (1 << TX_BD_FLAGS_BD_CNT_SHIFT) |
@@ -40,30 +41,67 @@ void bnxt_xmit_xdp(struct bnxt *bp, struct bnxt_tx_ring_info *txr,
prod = NEXT_TX(prod);
txr->tx_prod = prod;
+ return tx_buf;
+}
+
+static void __bnxt_xmit_xdp(struct bnxt *bp, struct bnxt_tx_ring_info *txr,
+ dma_addr_t mapping, u32 len, u16 rx_prod)
+{
+ struct bnxt_sw_tx_bd *tx_buf;
+
+ tx_buf = bnxt_xmit_bd(bp, txr, mapping, len);
+ tx_buf->rx_prod = rx_prod;
+ tx_buf->action = XDP_TX;
+}
+
+static void __bnxt_xmit_xdp_redirect(struct bnxt *bp,
+ struct bnxt_tx_ring_info *txr,
+ dma_addr_t mapping, u32 len,
+ struct xdp_frame *xdpf)
+{
+ struct bnxt_sw_tx_bd *tx_buf;
+
+ tx_buf = bnxt_xmit_bd(bp, txr, mapping, len);
+ tx_buf->action = XDP_REDIRECT;
+ tx_buf->xdpf = xdpf;
+ dma_unmap_addr_set(tx_buf, mapping, mapping);
+ dma_unmap_len_set(tx_buf, len, 0);
}
void bnxt_tx_int_xdp(struct bnxt *bp, struct bnxt_napi *bnapi, int nr_pkts)
{
struct bnxt_tx_ring_info *txr = bnapi->tx_ring;
struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
+ bool rx_doorbell_needed = false;
struct bnxt_sw_tx_bd *tx_buf;
u16 tx_cons = txr->tx_cons;
u16 last_tx_cons = tx_cons;
- u16 rx_prod;
int i;
for (i = 0; i < nr_pkts; i++) {
- last_tx_cons = tx_cons;
+ tx_buf = &txr->tx_buf_ring[tx_cons];
+
+ if (tx_buf->action == XDP_REDIRECT) {
+ struct pci_dev *pdev = bp->pdev;
+
+ dma_unmap_single(&pdev->dev,
+ dma_unmap_addr(tx_buf, mapping),
+ dma_unmap_len(tx_buf, len),
+ PCI_DMA_TODEVICE);
+ xdp_return_frame(tx_buf->xdpf);
+ tx_buf->action = 0;
+ tx_buf->xdpf = NULL;
+ } else if (tx_buf->action == XDP_TX) {
+ rx_doorbell_needed = true;
+ last_tx_cons = tx_cons;
+ }
tx_cons = NEXT_TX(tx_cons);
}
txr->tx_cons = tx_cons;
- if (bnxt_tx_avail(bp, txr) == bp->tx_ring_size) {
- rx_prod = rxr->rx_prod;
- } else {
+ if (rx_doorbell_needed) {
tx_buf = &txr->tx_buf_ring[last_tx_cons];
- rx_prod = tx_buf->rx_prod;
+ bnxt_db_write(bp, &rxr->rx_db, tx_buf->rx_prod);
}
- bnxt_db_write(bp, &rxr->rx_db, rx_prod);
}
/* returns the following:
@@ -88,19 +126,19 @@ bool bnxt_rx_xdp(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, u16 cons,
return false;
pdev = bp->pdev;
- txr = rxr->bnapi->tx_ring;
rx_buf = &rxr->rx_buf_ring[cons];
offset = bp->rx_offset;
+ mapping = rx_buf->mapping - bp->rx_dma_offset;
+ dma_sync_single_for_cpu(&pdev->dev, mapping + offset, *len, bp->rx_dir);
+
+ txr = rxr->bnapi->tx_ring;
xdp.data_hard_start = *data_ptr - offset;
xdp.data = *data_ptr;
xdp_set_data_meta_invalid(&xdp);
xdp.data_end = *data_ptr + *len;
xdp.rxq = &rxr->xdp_rxq;
orig_data = xdp.data;
- mapping = rx_buf->mapping - bp->rx_dma_offset;
-
- dma_sync_single_for_cpu(&pdev->dev, mapping + offset, *len, bp->rx_dir);
rcu_read_lock();
act = bpf_prog_run_xdp(xdp_prog, &xdp);
@@ -132,10 +170,34 @@ bool bnxt_rx_xdp(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, u16 cons,
*event = BNXT_TX_EVENT;
dma_sync_single_for_device(&pdev->dev, mapping + offset, *len,
bp->rx_dir);
- bnxt_xmit_xdp(bp, txr, mapping + offset, *len,
- NEXT_RX(rxr->rx_prod));
+ __bnxt_xmit_xdp(bp, txr, mapping + offset, *len,
+ NEXT_RX(rxr->rx_prod));
bnxt_reuse_rx_data(rxr, cons, page);
return true;
+ case XDP_REDIRECT:
+ /* if we are calling this here then we know that the
+ * redirect is coming from a frame received by the
+ * bnxt_en driver.
+ */
+ dma_unmap_page_attrs(&pdev->dev, mapping,
+ PAGE_SIZE, bp->rx_dir,
+ DMA_ATTR_WEAK_ORDERING);
+
+ /* if we are unable to allocate a new buffer, abort and reuse */
+ if (bnxt_alloc_rx_data(bp, rxr, rxr->rx_prod, GFP_ATOMIC)) {
+ trace_xdp_exception(bp->dev, xdp_prog, act);
+ bnxt_reuse_rx_data(rxr, cons, page);
+ return true;
+ }
+
+ if (xdp_do_redirect(bp->dev, &xdp, xdp_prog)) {
+ trace_xdp_exception(bp->dev, xdp_prog, act);
+ page_pool_recycle_direct(rxr->page_pool, page);
+ return true;
+ }
+
+ *event |= BNXT_REDIRECT_EVENT;
+ break;
default:
bpf_warn_invalid_xdp_action(act);
/* Fall thru */
@@ -149,6 +211,56 @@ bool bnxt_rx_xdp(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, u16 cons,
return true;
}
+int bnxt_xdp_xmit(struct net_device *dev, int num_frames,
+ struct xdp_frame **frames, u32 flags)
+{
+ struct bnxt *bp = netdev_priv(dev);
+ struct bpf_prog *xdp_prog = READ_ONCE(bp->xdp_prog);
+ struct pci_dev *pdev = bp->pdev;
+ struct bnxt_tx_ring_info *txr;
+ dma_addr_t mapping;
+ int drops = 0;
+ int ring;
+ int i;
+
+ if (!test_bit(BNXT_STATE_OPEN, &bp->state) ||
+ !bp->tx_nr_rings_xdp ||
+ !xdp_prog)
+ return -EINVAL;
+
+ ring = smp_processor_id() % bp->tx_nr_rings_xdp;
+ txr = &bp->tx_ring[ring];
+
+ for (i = 0; i < num_frames; i++) {
+ struct xdp_frame *xdp = frames[i];
+
+ if (!txr || !bnxt_tx_avail(bp, txr) ||
+ !(bp->bnapi[ring]->flags & BNXT_NAPI_FLAG_XDP)) {
+ xdp_return_frame_rx_napi(xdp);
+ drops++;
+ continue;
+ }
+
+ mapping = dma_map_single(&pdev->dev, xdp->data, xdp->len,
+ DMA_TO_DEVICE);
+
+ if (dma_mapping_error(&pdev->dev, mapping)) {
+ xdp_return_frame_rx_napi(xdp);
+ drops++;
+ continue;
+ }
+ __bnxt_xmit_xdp_redirect(bp, txr, mapping, xdp->len, xdp);
+ }
+
+ if (flags & XDP_XMIT_FLUSH) {
+ /* Sync BD data before updating doorbell */
+ wmb();
+ bnxt_db_write(bp, &txr->tx_db, txr->tx_prod);
+ }
+
+ return num_frames - drops;
+}
+
/* Under rtnl_lock */
static int bnxt_xdp_set(struct bnxt *bp, struct bpf_prog *prog)
{
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.h
index 414b748038ca..0df40c3beb05 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.h
@@ -10,12 +10,15 @@
#ifndef BNXT_XDP_H
#define BNXT_XDP_H
-void bnxt_xmit_xdp(struct bnxt *bp, struct bnxt_tx_ring_info *txr,
- dma_addr_t mapping, u32 len, u16 rx_prod);
+struct bnxt_sw_tx_bd *bnxt_xmit_bd(struct bnxt *bp,
+ struct bnxt_tx_ring_info *txr,
+ dma_addr_t mapping, u32 len);
void bnxt_tx_int_xdp(struct bnxt *bp, struct bnxt_napi *bnapi, int nr_pkts);
bool bnxt_rx_xdp(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, u16 cons,
struct page *page, u8 **data_ptr, unsigned int *len,
u8 *event);
int bnxt_xdp(struct net_device *dev, struct netdev_bpf *xdp);
+int bnxt_xdp_xmit(struct net_device *dev, int num_frames,
+ struct xdp_frame **frames, u32 flags);
#endif
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 374b9ff05c88..a2b57807453b 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Broadcom GENET (Gigabit Ethernet) controller driver
*
* Copyright (c) 2014-2017 Broadcom
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#define pr_fmt(fmt) "bcmgenet: " fmt
@@ -643,7 +640,7 @@ static void bcmgenet_set_rx_coalesce(struct bcmgenet_rx_ring *ring,
static void bcmgenet_set_ring_rx_coalesce(struct bcmgenet_rx_ring *ring,
struct ethtool_coalesce *ec)
{
- struct net_dim_cq_moder moder;
+ struct dim_cq_moder moder;
u32 usecs, pkts;
ring->rx_coalesce_usecs = ec->rx_coalesce_usecs;
@@ -1898,7 +1895,7 @@ static int bcmgenet_rx_poll(struct napi_struct *napi, int budget)
{
struct bcmgenet_rx_ring *ring = container_of(napi,
struct bcmgenet_rx_ring, napi);
- struct net_dim_sample dim_sample;
+ struct dim_sample dim_sample;
unsigned int work_done;
work_done = bcmgenet_desc_rx(ring, budget);
@@ -1909,8 +1906,8 @@ static int bcmgenet_rx_poll(struct napi_struct *napi, int budget)
}
if (ring->dim.use_dim) {
- net_dim_sample(ring->dim.event_ctr, ring->dim.packets,
- ring->dim.bytes, &dim_sample);
+ dim_update_sample(ring->dim.event_ctr, ring->dim.packets,
+ ring->dim.bytes, &dim_sample);
net_dim(&ring->dim.dim, dim_sample);
}
@@ -1919,16 +1916,16 @@ static int bcmgenet_rx_poll(struct napi_struct *napi, int budget)
static void bcmgenet_dim_work(struct work_struct *work)
{
- struct net_dim *dim = container_of(work, struct net_dim, work);
+ struct dim *dim = container_of(work, struct dim, work);
struct bcmgenet_net_dim *ndim =
container_of(dim, struct bcmgenet_net_dim, dim);
struct bcmgenet_rx_ring *ring =
container_of(ndim, struct bcmgenet_rx_ring, dim);
- struct net_dim_cq_moder cur_profile =
+ struct dim_cq_moder cur_profile =
net_dim_get_rx_moderation(dim->mode, dim->profile_ix);
bcmgenet_set_rx_coalesce(ring, cur_profile.usec, cur_profile.pkts);
- dim->state = NET_DIM_START_MEASURE;
+ dim->state = DIM_START_MEASURE;
}
/* Assign skb to RX DMA descriptor. */
@@ -2085,7 +2082,7 @@ static void bcmgenet_init_dim(struct bcmgenet_rx_ring *ring,
struct bcmgenet_net_dim *dim = &ring->dim;
INIT_WORK(&dim->dim.work, cb);
- dim->dim.mode = NET_DIM_CQ_PERIOD_MODE_START_FROM_EQE;
+ dim->dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE;
dim->event_ctr = 0;
dim->packets = 0;
dim->bytes = 0;
@@ -2094,7 +2091,7 @@ static void bcmgenet_init_dim(struct bcmgenet_rx_ring *ring,
static void bcmgenet_init_rx_coalesce(struct bcmgenet_rx_ring *ring)
{
struct bcmgenet_net_dim *dim = &ring->dim;
- struct net_dim_cq_moder moder;
+ struct dim_cq_moder moder;
u32 usecs, pkts;
usecs = ring->rx_coalesce_usecs;
@@ -3086,39 +3083,42 @@ static void bcmgenet_timeout(struct net_device *dev)
netif_tx_wake_all_queues(dev);
}
-#define MAX_MC_COUNT 16
+#define MAX_MDF_FILTER 17
static inline void bcmgenet_set_mdf_addr(struct bcmgenet_priv *priv,
unsigned char *addr,
- int *i,
- int *mc)
+ int *i)
{
- u32 reg;
-
bcmgenet_umac_writel(priv, addr[0] << 8 | addr[1],
UMAC_MDF_ADDR + (*i * 4));
bcmgenet_umac_writel(priv, addr[2] << 24 | addr[3] << 16 |
addr[4] << 8 | addr[5],
UMAC_MDF_ADDR + ((*i + 1) * 4));
- reg = bcmgenet_umac_readl(priv, UMAC_MDF_CTRL);
- reg |= (1 << (MAX_MC_COUNT - *mc));
- bcmgenet_umac_writel(priv, reg, UMAC_MDF_CTRL);
*i += 2;
- (*mc)++;
}
static void bcmgenet_set_rx_mode(struct net_device *dev)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
struct netdev_hw_addr *ha;
- int i, mc;
+ int i, nfilter;
u32 reg;
netif_dbg(priv, hw, dev, "%s: %08X\n", __func__, dev->flags);
- /* Promiscuous mode */
+ /* Number of filters needed */
+ nfilter = netdev_uc_count(dev) + netdev_mc_count(dev) + 2;
+
+ /*
+ * Turn on promicuous mode for three scenarios
+ * 1. IFF_PROMISC flag is set
+ * 2. IFF_ALLMULTI flag is set
+ * 3. The number of filters needed exceeds the number filters
+ * supported by the hardware.
+ */
reg = bcmgenet_umac_readl(priv, UMAC_CMD);
- if (dev->flags & IFF_PROMISC) {
+ if ((dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) ||
+ (nfilter > MAX_MDF_FILTER)) {
reg |= CMD_PROMISC;
bcmgenet_umac_writel(priv, reg, UMAC_CMD);
bcmgenet_umac_writel(priv, 0, UMAC_MDF_CTRL);
@@ -3128,32 +3128,24 @@ static void bcmgenet_set_rx_mode(struct net_device *dev)
bcmgenet_umac_writel(priv, reg, UMAC_CMD);
}
- /* UniMac doesn't support ALLMULTI */
- if (dev->flags & IFF_ALLMULTI) {
- netdev_warn(dev, "ALLMULTI is not supported\n");
- return;
- }
-
/* update MDF filter */
i = 0;
- mc = 0;
/* Broadcast */
- bcmgenet_set_mdf_addr(priv, dev->broadcast, &i, &mc);
+ bcmgenet_set_mdf_addr(priv, dev->broadcast, &i);
/* my own address.*/
- bcmgenet_set_mdf_addr(priv, dev->dev_addr, &i, &mc);
- /* Unicast list*/
- if (netdev_uc_count(dev) > (MAX_MC_COUNT - mc))
- return;
+ bcmgenet_set_mdf_addr(priv, dev->dev_addr, &i);
- if (!netdev_uc_empty(dev))
- netdev_for_each_uc_addr(ha, dev)
- bcmgenet_set_mdf_addr(priv, ha->addr, &i, &mc);
- /* Multicast */
- if (netdev_mc_empty(dev) || netdev_mc_count(dev) >= (MAX_MC_COUNT - mc))
- return;
+ /* Unicast */
+ netdev_for_each_uc_addr(ha, dev)
+ bcmgenet_set_mdf_addr(priv, ha->addr, &i);
+ /* Multicast */
netdev_for_each_mc_addr(ha, dev)
- bcmgenet_set_mdf_addr(priv, ha->addr, &i, &mc);
+ bcmgenet_set_mdf_addr(priv, ha->addr, &i);
+
+ /* Enable filters */
+ reg = GENMASK(MAX_MDF_FILTER - 1, MAX_MDF_FILTER - nfilter);
+ bcmgenet_umac_writel(priv, reg, UMAC_MDF_CTRL);
}
/* Set the hardware MAC address. */
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
index 14b49612aa86..4a8fc03d82fd 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2014-2017 Broadcom
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef __BCMGENET_H__
@@ -16,7 +13,7 @@
#include <linux/mii.h>
#include <linux/if_vlan.h>
#include <linux/phy.h>
-#include <linux/net_dim.h>
+#include <linux/dim.h>
/* total number of Buffer Descriptors, same for Rx/Tx */
#define TOTAL_DESC 256
@@ -581,7 +578,7 @@ struct bcmgenet_net_dim {
u16 event_ctr;
unsigned long packets;
unsigned long bytes;
- struct net_dim dim;
+ struct dim dim;
};
struct bcmgenet_rx_ring {
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c b/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c
index 57582efa362d..ea20d94bd050 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Broadcom GENET (Gigabit Ethernet) Wake-on-LAN support
*
* Copyright (c) 2014-2017 Broadcom
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#define pr_fmt(fmt) "bcmgenet_wol: " fmt
diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
index 51880d83131a..970e478a9017 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Broadcom GENET MDIO routines
*
* Copyright (c) 2014-2017 Broadcom
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 6d1f9c822548..4c404d2213f9 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -6710,7 +6710,7 @@ static int tg3_alloc_rx_data(struct tg3 *tp, struct tg3_rx_prodring_set *tpr,
skb_size = SKB_DATA_ALIGN(data_size + TG3_RX_OFFSET(tp)) +
SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
if (skb_size <= PAGE_SIZE) {
- data = netdev_alloc_frag(skb_size);
+ data = napi_alloc_frag(skb_size);
*frag_size = skb_size;
} else {
data = kmalloc(skb_size, GFP_ATOMIC);
diff --git a/drivers/net/ethernet/brocade/bna/bfa_cee.c b/drivers/net/ethernet/brocade/bna/bfa_cee.c
index 95bc8b644a5d..09fb9315d1ae 100644
--- a/drivers/net/ethernet/brocade/bna/bfa_cee.c
+++ b/drivers/net/ethernet/brocade/bna/bfa_cee.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bfa_cee.h b/drivers/net/ethernet/brocade/bna/bfa_cee.h
index d04eef5d5a77..8e628bb54ba0 100644
--- a/drivers/net/ethernet/brocade/bna/bfa_cee.h
+++ b/drivers/net/ethernet/brocade/bna/bfa_cee.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bfa_cs.h b/drivers/net/ethernet/brocade/bna/bfa_cs.h
index 1d11d666d408..8f0ac7b99973 100644
--- a/drivers/net/ethernet/brocade/bna/bfa_cs.h
+++ b/drivers/net/ethernet/brocade/bna/bfa_cs.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bfa_defs.h b/drivers/net/ethernet/brocade/bna/bfa_defs.h
index d152b3fa6c54..b08b16864bb0 100644
--- a/drivers/net/ethernet/brocade/bna/bfa_defs.h
+++ b/drivers/net/ethernet/brocade/bna/bfa_defs.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bfa_defs_cna.h b/drivers/net/ethernet/brocade/bna/bfa_defs_cna.h
index f048887cbb81..50d3562f7d32 100644
--- a/drivers/net/ethernet/brocade/bna/bfa_defs_cna.h
+++ b/drivers/net/ethernet/brocade/bna/bfa_defs_cna.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bfa_defs_mfg_comm.h b/drivers/net/ethernet/brocade/bna/bfa_defs_mfg_comm.h
index 7e17451c94d1..0478f35ae685 100644
--- a/drivers/net/ethernet/brocade/bna/bfa_defs_mfg_comm.h
+++ b/drivers/net/ethernet/brocade/bna/bfa_defs_mfg_comm.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bfa_defs_status.h b/drivers/net/ethernet/brocade/bna/bfa_defs_status.h
index a43b56002752..0ed9ec2e68a6 100644
--- a/drivers/net/ethernet/brocade/bna/bfa_defs_status.h
+++ b/drivers/net/ethernet/brocade/bna/bfa_defs_status.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.c b/drivers/net/ethernet/brocade/bna/bfa_ioc.c
index 84741d288ffa..4042c2185e98 100644
--- a/drivers/net/ethernet/brocade/bna/bfa_ioc.c
+++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.h b/drivers/net/ethernet/brocade/bna/bfa_ioc.h
index 2c0b4c076355..edd0ed5b5332 100644
--- a/drivers/net/ethernet/brocade/bna/bfa_ioc.h
+++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c b/drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c
index 74e5ed55ac01..bd643d841180 100644
--- a/drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c
+++ b/drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bfa_msgq.c b/drivers/net/ethernet/brocade/bna/bfa_msgq.c
index 9c5bb24e8abb..47125f419530 100644
--- a/drivers/net/ethernet/brocade/bna/bfa_msgq.c
+++ b/drivers/net/ethernet/brocade/bna/bfa_msgq.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bfa_msgq.h b/drivers/net/ethernet/brocade/bna/bfa_msgq.h
index 66bc8b5acd57..75343b535798 100644
--- a/drivers/net/ethernet/brocade/bna/bfa_msgq.h
+++ b/drivers/net/ethernet/brocade/bna/bfa_msgq.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bfi.h b/drivers/net/ethernet/brocade/bna/bfi.h
index 81e59ea8b4f2..09c912e984fe 100644
--- a/drivers/net/ethernet/brocade/bna/bfi.h
+++ b/drivers/net/ethernet/brocade/bna/bfi.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bfi_cna.h b/drivers/net/ethernet/brocade/bna/bfi_cna.h
index fad651101c48..fb78bfd0bcf2 100644
--- a/drivers/net/ethernet/brocade/bna/bfi_cna.h
+++ b/drivers/net/ethernet/brocade/bna/bfi_cna.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bfi_enet.h b/drivers/net/ethernet/brocade/bna/bfi_enet.h
index d7be7ea8c7f5..112aadf493b1 100644
--- a/drivers/net/ethernet/brocade/bna/bfi_enet.h
+++ b/drivers/net/ethernet/brocade/bna/bfi_enet.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bfi_reg.h b/drivers/net/ethernet/brocade/bna/bfi_reg.h
index 2835b51eabec..b15ae9e341af 100644
--- a/drivers/net/ethernet/brocade/bna/bfi_reg.h
+++ b/drivers/net/ethernet/brocade/bna/bfi_reg.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bna.h b/drivers/net/ethernet/brocade/bna/bna.h
index 006dcad9a260..50de1532a807 100644
--- a/drivers/net/ethernet/brocade/bna/bna.h
+++ b/drivers/net/ethernet/brocade/bna/bna.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bna_enet.c b/drivers/net/ethernet/brocade/bna/bna_enet.c
index 6d2d4527357c..40107a9bd120 100644
--- a/drivers/net/ethernet/brocade/bna/bna_enet.c
+++ b/drivers/net/ethernet/brocade/bna/bna_enet.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bna_hw_defs.h b/drivers/net/ethernet/brocade/bna/bna_hw_defs.h
index 52b45c9935aa..f335b7115c1b 100644
--- a/drivers/net/ethernet/brocade/bna/bna_hw_defs.h
+++ b/drivers/net/ethernet/brocade/bna/bna_hw_defs.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bna_tx_rx.c b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c
index 95bc470ae441..b5ecbfe13ab0 100644
--- a/drivers/net/ethernet/brocade/bna/bna_tx_rx.c
+++ b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bna_types.h b/drivers/net/ethernet/brocade/bna/bna_types.h
index c438d032e8bf..666b6922e24d 100644
--- a/drivers/net/ethernet/brocade/bna/bna_types.h
+++ b/drivers/net/ethernet/brocade/bna/bna_types.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c
index ea5f32ea308a..7767ae6fa1fd 100644
--- a/drivers/net/ethernet/brocade/bna/bnad.c
+++ b/drivers/net/ethernet/brocade/bna/bnad.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bnad.h b/drivers/net/ethernet/brocade/bna/bnad.h
index 46f7b842b39c..492a02d54f14 100644
--- a/drivers/net/ethernet/brocade/bna/bnad.h
+++ b/drivers/net/ethernet/brocade/bna/bnad.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bnad_debugfs.c b/drivers/net/ethernet/brocade/bna/bnad_debugfs.c
index 933799be0471..04ad0f2b9677 100644
--- a/drivers/net/ethernet/brocade/bna/bnad_debugfs.c
+++ b/drivers/net/ethernet/brocade/bna/bnad_debugfs.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
index 31032de5843b..b764c9ff9ad1 100644
--- a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
+++ b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/cna.h b/drivers/net/ethernet/brocade/bna/cna.h
index 75f8f1ac9fb7..28d89d0c2297 100644
--- a/drivers/net/ethernet/brocade/bna/cna.h
+++ b/drivers/net/ethernet/brocade/bna/cna.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2006-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/brocade/bna/cna_fwimg.c b/drivers/net/ethernet/brocade/bna/cna_fwimg.c
index 2e7fb97883dc..824eaef30704 100644
--- a/drivers/net/ethernet/brocade/bna/cna_fwimg.c
+++ b/drivers/net/ethernet/brocade/bna/cna_fwimg.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Linux network driver for QLogic BR-series Converged Network Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
/*
* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
diff --git a/drivers/net/ethernet/cadence/Kconfig b/drivers/net/ethernet/cadence/Kconfig
index 1766697c9c5a..f4b3bd85dfe3 100644
--- a/drivers/net/ethernet/cadence/Kconfig
+++ b/drivers/net/ethernet/cadence/Kconfig
@@ -1,6 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
#
-# Atmel device configuration
+# Cadence device configuration
#
config NET_VENDOR_CADENCE
@@ -13,15 +13,15 @@ config NET_VENDOR_CADENCE
If unsure, say Y.
Note that the answer to this question doesn't directly affect the
- kernel: saying N will just cause the configurator to skip all
- the remaining Atmel network card questions. If you say Y, you will be
+ kernel: saying N will just cause the configurator to skip all the
+ remaining Cadence network card questions. If you say Y, you will be
asked for your specific card in the following questions.
if NET_VENDOR_CADENCE
config MACB
tristate "Cadence MACB/GEM support"
- depends on HAS_DMA
+ depends on HAS_DMA && COMMON_CLK
select PHYLIB
---help---
The Cadence MACB ethernet interface is found on many Atmel AT32 and
@@ -42,7 +42,7 @@ config MACB_USE_HWSTAMP
config MACB_PCI
tristate "Cadence PCI MACB/GEM support"
- depends on MACB && PCI && COMMON_CLK
+ depends on MACB && PCI
---help---
This is PCI wrapper for MACB driver.
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h
index acc66a7e7b95..03983bd46eef 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Atmel MACB Ethernet Controller driver
*
* Copyright (C) 2004-2006 Atmel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef _MACB_H
#define _MACB_H
@@ -499,7 +496,11 @@
/* Bitfields in TISUBN */
#define GEM_SUBNSINCR_OFFSET 0
-#define GEM_SUBNSINCR_SIZE 16
+#define GEM_SUBNSINCRL_OFFSET 24
+#define GEM_SUBNSINCRL_SIZE 8
+#define GEM_SUBNSINCRH_OFFSET 0
+#define GEM_SUBNSINCRH_SIZE 16
+#define GEM_SUBNSINCR_SIZE 24
/* Bitfields in TI */
#define GEM_NSINCR_OFFSET 0
@@ -837,6 +838,9 @@ struct gem_tx_ts {
/* limit RX checksum offload to TCP and UDP packets */
#define GEM_RX_CSUM_CHECKED_MASK 2
+/* Scaled PPM fraction */
+#define PPM_FRACTION 16
+
/* struct macb_tx_skb - data about an skb which is being transmitted
* @skb: skb currently being transmitted, only set for the last buffer
* of the frame
@@ -1063,7 +1067,8 @@ struct macb_or_gem_ops {
int (*mog_alloc_rx_buffers)(struct macb *bp);
void (*mog_free_rx_buffers)(struct macb *bp);
void (*mog_init_rings)(struct macb *bp);
- int (*mog_rx)(struct macb_queue *queue, int budget);
+ int (*mog_rx)(struct macb_queue *queue, struct napi_struct *napi,
+ int budget);
};
/* MACB-PTP interface: adapt to platform needs. */
@@ -1080,6 +1085,11 @@ struct macb_ptp_info {
struct ifreq *ifr, int cmd);
};
+struct macb_pm_data {
+ u32 scrt2;
+ u32 usrio;
+};
+
struct macb_config {
u32 caps;
unsigned int dma_burst_length;
@@ -1220,6 +1230,8 @@ struct macb {
int tx_bd_rd_prefetch;
u32 rx_intr_mask;
+
+ struct macb_pm_data pm_data;
};
#ifdef CONFIG_MACB_USE_HWSTAMP
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index bebd9b1aeb64..5ca17e62dc3e 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -1,15 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Cadence MACB/GEM Ethernet Controller driver
*
* Copyright (C) 2004-2006 Atmel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/clk.h>
+#include <linux/clk-provider.h>
#include <linux/crc32.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
@@ -40,6 +38,13 @@
#include <linux/pm_runtime.h>
#include "macb.h"
+/* This structure is only used for MACB on SiFive FU540 devices */
+struct sifive_fu540_macb_mgmt {
+ void __iomem *reg;
+ unsigned long rate;
+ struct clk_hw hw;
+};
+
#define MACB_RX_BUFFER_SIZE 128
#define RX_BUFFER_MULTIPLE 64 /* bytes */
@@ -984,7 +989,8 @@ static void discard_partial_frame(struct macb_queue *queue, unsigned int begin,
*/
}
-static int gem_rx(struct macb_queue *queue, int budget)
+static int gem_rx(struct macb_queue *queue, struct napi_struct *napi,
+ int budget)
{
struct macb *bp = queue->bp;
unsigned int len;
@@ -1066,7 +1072,7 @@ static int gem_rx(struct macb_queue *queue, int budget)
skb->data, 32, true);
#endif
- netif_receive_skb(skb);
+ napi_gro_receive(napi, skb);
}
gem_rx_refill(queue);
@@ -1074,8 +1080,8 @@ static int gem_rx(struct macb_queue *queue, int budget)
return count;
}
-static int macb_rx_frame(struct macb_queue *queue, unsigned int first_frag,
- unsigned int last_frag)
+static int macb_rx_frame(struct macb_queue *queue, struct napi_struct *napi,
+ unsigned int first_frag, unsigned int last_frag)
{
unsigned int len;
unsigned int frag;
@@ -1151,7 +1157,7 @@ static int macb_rx_frame(struct macb_queue *queue, unsigned int first_frag,
bp->dev->stats.rx_bytes += skb->len;
netdev_vdbg(bp->dev, "received skb of length %u, csum: %08x\n",
skb->len, skb->csum);
- netif_receive_skb(skb);
+ napi_gro_receive(napi, skb);
return 0;
}
@@ -1174,7 +1180,8 @@ static inline void macb_init_rx_ring(struct macb_queue *queue)
queue->rx_tail = 0;
}
-static int macb_rx(struct macb_queue *queue, int budget)
+static int macb_rx(struct macb_queue *queue, struct napi_struct *napi,
+ int budget)
{
struct macb *bp = queue->bp;
bool reset_rx_queue = false;
@@ -1211,7 +1218,7 @@ static int macb_rx(struct macb_queue *queue, int budget)
continue;
}
- dropped = macb_rx_frame(queue, first_frag, tail);
+ dropped = macb_rx_frame(queue, napi, first_frag, tail);
first_frag = -1;
if (unlikely(dropped < 0)) {
reset_rx_queue = true;
@@ -1265,7 +1272,7 @@ static int macb_poll(struct napi_struct *napi, int budget)
netdev_vdbg(bp->dev, "poll: status = %08lx, budget = %d\n",
(unsigned long)status, budget);
- work_done = bp->macbgem_ops.mog_rx(queue, budget);
+ work_done = bp->macbgem_ops.mog_rx(queue, napi, budget);
if (work_done < budget) {
napi_complete_done(napi, work_done);
@@ -2849,10 +2856,14 @@ static int macb_get_ts_info(struct net_device *netdev,
static void gem_enable_flow_filters(struct macb *bp, bool enable)
{
+ struct net_device *netdev = bp->dev;
struct ethtool_rx_fs_item *item;
u32 t2_scr;
int num_t2_scr;
+ if (!(netdev->features & NETIF_F_NTUPLE))
+ return;
+
num_t2_scr = GEM_BFEXT(T2SCR, gem_readl(bp, DCFG8));
list_for_each_entry(item, &bp->rx_fs_list.list, list) {
@@ -3012,8 +3023,7 @@ static int gem_add_flow_filter(struct net_device *netdev,
gem_prog_cmp_regs(bp, fs);
bp->rx_fs_list.count++;
/* enable filtering if NTUPLE on */
- if (netdev->features & NETIF_F_NTUPLE)
- gem_enable_flow_filters(bp, 1);
+ gem_enable_flow_filters(bp, 1);
spin_unlock_irqrestore(&bp->rx_fs_lock, flags);
return 0;
@@ -3201,6 +3211,50 @@ static int macb_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
}
}
+static inline void macb_set_txcsum_feature(struct macb *bp,
+ netdev_features_t features)
+{
+ u32 val;
+
+ if (!macb_is_gem(bp))
+ return;
+
+ val = gem_readl(bp, DMACFG);
+ if (features & NETIF_F_HW_CSUM)
+ val |= GEM_BIT(TXCOEN);
+ else
+ val &= ~GEM_BIT(TXCOEN);
+
+ gem_writel(bp, DMACFG, val);
+}
+
+static inline void macb_set_rxcsum_feature(struct macb *bp,
+ netdev_features_t features)
+{
+ struct net_device *netdev = bp->dev;
+ u32 val;
+
+ if (!macb_is_gem(bp))
+ return;
+
+ val = gem_readl(bp, NCFGR);
+ if ((features & NETIF_F_RXCSUM) && !(netdev->flags & IFF_PROMISC))
+ val |= GEM_BIT(RXCOEN);
+ else
+ val &= ~GEM_BIT(RXCOEN);
+
+ gem_writel(bp, NCFGR, val);
+}
+
+static inline void macb_set_rxflow_feature(struct macb *bp,
+ netdev_features_t features)
+{
+ if (!macb_is_gem(bp))
+ return;
+
+ gem_enable_flow_filters(bp, !!(features & NETIF_F_NTUPLE));
+}
+
static int macb_set_features(struct net_device *netdev,
netdev_features_t features)
{
@@ -3208,39 +3262,35 @@ static int macb_set_features(struct net_device *netdev,
netdev_features_t changed = features ^ netdev->features;
/* TX checksum offload */
- if ((changed & NETIF_F_HW_CSUM) && macb_is_gem(bp)) {
- u32 dmacfg;
-
- dmacfg = gem_readl(bp, DMACFG);
- if (features & NETIF_F_HW_CSUM)
- dmacfg |= GEM_BIT(TXCOEN);
- else
- dmacfg &= ~GEM_BIT(TXCOEN);
- gem_writel(bp, DMACFG, dmacfg);
- }
+ if (changed & NETIF_F_HW_CSUM)
+ macb_set_txcsum_feature(bp, features);
/* RX checksum offload */
- if ((changed & NETIF_F_RXCSUM) && macb_is_gem(bp)) {
- u32 netcfg;
-
- netcfg = gem_readl(bp, NCFGR);
- if (features & NETIF_F_RXCSUM &&
- !(netdev->flags & IFF_PROMISC))
- netcfg |= GEM_BIT(RXCOEN);
- else
- netcfg &= ~GEM_BIT(RXCOEN);
- gem_writel(bp, NCFGR, netcfg);
- }
+ if (changed & NETIF_F_RXCSUM)
+ macb_set_rxcsum_feature(bp, features);
/* RX Flow Filters */
- if ((changed & NETIF_F_NTUPLE) && macb_is_gem(bp)) {
- bool turn_on = features & NETIF_F_NTUPLE;
+ if (changed & NETIF_F_NTUPLE)
+ macb_set_rxflow_feature(bp, features);
- gem_enable_flow_filters(bp, turn_on);
- }
return 0;
}
+static void macb_restore_features(struct macb *bp)
+{
+ struct net_device *netdev = bp->dev;
+ netdev_features_t features = netdev->features;
+
+ /* TX checksum offload */
+ macb_set_txcsum_feature(bp, features);
+
+ /* RX checksum offload */
+ macb_set_rxcsum_feature(bp, features);
+
+ /* RX Flow Filters */
+ macb_set_rxflow_feature(bp, features);
+}
+
static const struct net_device_ops macb_netdev_ops = {
.ndo_open = macb_open,
.ndo_stop = macb_close,
@@ -3437,7 +3487,7 @@ static int macb_init(struct platform_device *pdev)
queue = &bp->queues[q];
queue->bp = bp;
- netif_napi_add(dev, &queue->napi, macb_poll, 64);
+ netif_napi_add(dev, &queue->napi, macb_poll, NAPI_POLL_WEIGHT);
if (hw_q) {
queue->ISR = GEM_ISR(hw_q - 1);
queue->IER = GEM_IER(hw_q - 1);
@@ -3576,6 +3626,8 @@ static int macb_init(struct platform_device *pdev)
/* max number of receive buffers */
#define AT91ETHER_MAX_RX_DESCR 9
+static struct sifive_fu540_macb_mgmt *mgmt;
+
/* Initialize and start the Receiver and Transmit subsystems */
static int at91ether_start(struct net_device *dev)
{
@@ -3903,6 +3955,116 @@ static int at91ether_init(struct platform_device *pdev)
return 0;
}
+static unsigned long fu540_macb_tx_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ return mgmt->rate;
+}
+
+static long fu540_macb_tx_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ if (WARN_ON(rate < 2500000))
+ return 2500000;
+ else if (rate == 2500000)
+ return 2500000;
+ else if (WARN_ON(rate < 13750000))
+ return 2500000;
+ else if (WARN_ON(rate < 25000000))
+ return 25000000;
+ else if (rate == 25000000)
+ return 25000000;
+ else if (WARN_ON(rate < 75000000))
+ return 25000000;
+ else if (WARN_ON(rate < 125000000))
+ return 125000000;
+ else if (rate == 125000000)
+ return 125000000;
+
+ WARN_ON(rate > 125000000);
+
+ return 125000000;
+}
+
+static int fu540_macb_tx_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ rate = fu540_macb_tx_round_rate(hw, rate, &parent_rate);
+ if (rate != 125000000)
+ iowrite32(1, mgmt->reg);
+ else
+ iowrite32(0, mgmt->reg);
+ mgmt->rate = rate;
+
+ return 0;
+}
+
+static const struct clk_ops fu540_c000_ops = {
+ .recalc_rate = fu540_macb_tx_recalc_rate,
+ .round_rate = fu540_macb_tx_round_rate,
+ .set_rate = fu540_macb_tx_set_rate,
+};
+
+static int fu540_c000_clk_init(struct platform_device *pdev, struct clk **pclk,
+ struct clk **hclk, struct clk **tx_clk,
+ struct clk **rx_clk, struct clk **tsu_clk)
+{
+ struct clk_init_data init;
+ int err = 0;
+
+ err = macb_clk_init(pdev, pclk, hclk, tx_clk, rx_clk, tsu_clk);
+ if (err)
+ return err;
+
+ mgmt = devm_kzalloc(&pdev->dev, sizeof(*mgmt), GFP_KERNEL);
+ if (!mgmt)
+ return -ENOMEM;
+
+ init.name = "sifive-gemgxl-mgmt";
+ init.ops = &fu540_c000_ops;
+ init.flags = 0;
+ init.num_parents = 0;
+
+ mgmt->rate = 0;
+ mgmt->hw.init = &init;
+
+ *tx_clk = clk_register(NULL, &mgmt->hw);
+ if (IS_ERR(*tx_clk))
+ return PTR_ERR(*tx_clk);
+
+ err = clk_prepare_enable(*tx_clk);
+ if (err)
+ dev_err(&pdev->dev, "failed to enable tx_clk (%u)\n", err);
+ else
+ dev_info(&pdev->dev, "Registered clk switch '%s'\n", init.name);
+
+ return 0;
+}
+
+static int fu540_c000_init(struct platform_device *pdev)
+{
+ struct resource *res;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (!res)
+ return -ENODEV;
+
+ mgmt->reg = ioremap(res->start, resource_size(res));
+ if (!mgmt->reg)
+ return -ENOMEM;
+
+ return macb_init(pdev);
+}
+
+static const struct macb_config fu540_c000_config = {
+ .caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | MACB_CAPS_JUMBO |
+ MACB_CAPS_GEM_HAS_PTP,
+ .dma_burst_length = 16,
+ .clk_init = fu540_c000_clk_init,
+ .init = fu540_c000_init,
+ .jumbo_max_len = 10240,
+};
+
static const struct macb_config at91sam9260_config = {
.caps = MACB_CAPS_USRIO_HAS_CLKEN | MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII,
.clk_init = macb_clk_init,
@@ -3992,6 +4154,7 @@ static const struct of_device_id macb_dt_ids[] = {
{ .compatible = "cdns,emac", .data = &emac_config },
{ .compatible = "cdns,zynqmp-gem", .data = &zynqmp_config},
{ .compatible = "cdns,zynq-gem", .data = &zynq_config },
+ { .compatible = "sifive,fu540-macb", .data = &fu540_c000_config },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, macb_dt_ids);
@@ -4140,7 +4303,7 @@ static int macb_probe(struct platform_device *pdev)
if (PTR_ERR(mac) == -EPROBE_DEFER) {
err = -EPROBE_DEFER;
goto err_out_free_netdev;
- } else if (!IS_ERR(mac)) {
+ } else if (!IS_ERR_OR_NULL(mac)) {
ether_addr_copy(bp->dev->dev_addr, mac);
} else {
macb_get_hwaddr(bp);
@@ -4199,6 +4362,7 @@ err_out_free_netdev:
err_disable_clocks:
clk_disable_unprepare(tx_clk);
+ clk_unregister(tx_clk);
clk_disable_unprepare(hclk);
clk_disable_unprepare(pclk);
clk_disable_unprepare(rx_clk);
@@ -4233,6 +4397,7 @@ static int macb_remove(struct platform_device *pdev)
pm_runtime_dont_use_autosuspend(&pdev->dev);
if (!pm_runtime_suspended(&pdev->dev)) {
clk_disable_unprepare(bp->tx_clk);
+ clk_unregister(bp->tx_clk);
clk_disable_unprepare(bp->hclk);
clk_disable_unprepare(bp->pclk);
clk_disable_unprepare(bp->rx_clk);
@@ -4273,6 +4438,12 @@ static int __maybe_unused macb_suspend(struct device *dev)
spin_lock_irqsave(&bp->lock, flags);
macb_reset_hw(bp);
spin_unlock_irqrestore(&bp->lock, flags);
+
+ if (!(bp->caps & MACB_CAPS_USRIO_DISABLED))
+ bp->pm_data.usrio = macb_or_gem_readl(bp, USRIO);
+
+ if (netdev->hw_features & NETIF_F_NTUPLE)
+ bp->pm_data.scrt2 = gem_readl_n(bp, ETHT, SCRT2_ETHT);
}
netif_carrier_off(netdev);
@@ -4301,6 +4472,13 @@ static int __maybe_unused macb_resume(struct device *dev)
disable_irq_wake(bp->queues[0].irq);
} else {
macb_writel(bp, NCR, MACB_BIT(MPE));
+
+ if (netdev->hw_features & NETIF_F_NTUPLE)
+ gem_writel_n(bp, ETHT, SCRT2_ETHT, bp->pm_data.scrt2);
+
+ if (!(bp->caps & MACB_CAPS_USRIO_DISABLED))
+ macb_or_gem_writel(bp, USRIO, bp->pm_data.usrio);
+
for (q = 0, queue = bp->queues; q < bp->num_queues;
++q, ++queue)
napi_enable(&queue->napi);
@@ -4312,6 +4490,7 @@ static int __maybe_unused macb_resume(struct device *dev)
bp->macbgem_ops.mog_init_rings(bp);
macb_init_hw(bp);
macb_set_rx_mode(netdev);
+ macb_restore_features(bp);
netif_device_attach(netdev);
if (bp->ptp_info)
bp->ptp_info->ptp_init(netdev);
diff --git a/drivers/net/ethernet/cadence/macb_pci.c b/drivers/net/ethernet/cadence/macb_pci.c
index 248a8fc45069..617b3b728dd0 100644
--- a/drivers/net/ethernet/cadence/macb_pci.c
+++ b/drivers/net/ethernet/cadence/macb_pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**
* Cadence GEM PCI wrapper.
*
@@ -5,18 +6,6 @@
*
* Authors: Rafal Ozieblo <rafalo@cadence.com>
* Bartosz Folta <bfolta@cadence.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 of
- * the License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/clk.h>
diff --git a/drivers/net/ethernet/cadence/macb_ptp.c b/drivers/net/ethernet/cadence/macb_ptp.c
index a6dc47edc4cf..43a3f0dbf857 100644
--- a/drivers/net/ethernet/cadence/macb_ptp.c
+++ b/drivers/net/ethernet/cadence/macb_ptp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**
* 1588 PTP support for Cadence GEM device.
*
@@ -5,18 +6,6 @@
*
* Authors: Rafal Ozieblo <rafalo@cadence.com>
* Bartosz Folta <bfolta@cadence.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 of
- * the License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/kernel.h>
#include <linux/types.h>
@@ -115,7 +104,10 @@ static int gem_tsu_incr_set(struct macb *bp, struct tsu_incr *incr_spec)
* to take effect.
*/
spin_lock_irqsave(&bp->tsu_clk_lock, flags);
- gem_writel(bp, TISUBN, GEM_BF(SUBNSINCR, incr_spec->sub_ns));
+ /* RegBit[15:0] = Subns[23:8]; RegBit[31:24] = Subns[7:0] */
+ gem_writel(bp, TISUBN, GEM_BF(SUBNSINCRL, incr_spec->sub_ns) |
+ GEM_BF(SUBNSINCRH, (incr_spec->sub_ns >>
+ GEM_SUBNSINCRL_SIZE)));
gem_writel(bp, TI, GEM_BF(NSINCR, incr_spec->ns));
spin_unlock_irqrestore(&bp->tsu_clk_lock, flags);
@@ -146,7 +138,7 @@ static int gem_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm)
* (temp / USEC_PER_SEC) + 0.5
*/
adj += (USEC_PER_SEC >> 1);
- adj >>= GEM_SUBNSINCR_SIZE; /* remove fractions */
+ adj >>= PPM_FRACTION; /* remove fractions */
adj = div_u64(adj, USEC_PER_SEC);
adj = neg_adj ? (word - adj) : (word + adj);
diff --git a/drivers/net/ethernet/calxeda/xgmac.c b/drivers/net/ethernet/calxeda/xgmac.c
index 13741ee49b9b..99f49d059414 100644
--- a/drivers/net/ethernet/calxeda/xgmac.c
+++ b/drivers/net/ethernet/calxeda/xgmac.c
@@ -1,17 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2010-2011 Calxeda, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/module.h>
#include <linux/mod_devicetable.h>
@@ -1866,7 +1855,7 @@ static void xgmac_pmt(void __iomem *ioaddr, unsigned long mode)
static int xgmac_suspend(struct device *dev)
{
- struct net_device *ndev = platform_get_drvdata(to_platform_device(dev));
+ struct net_device *ndev = dev_get_drvdata(dev);
struct xgmac_priv *priv = netdev_priv(ndev);
u32 value;
@@ -1892,7 +1881,7 @@ static int xgmac_suspend(struct device *dev)
static int xgmac_resume(struct device *dev)
{
- struct net_device *ndev = platform_get_drvdata(to_platform_device(dev));
+ struct net_device *ndev = dev_get_drvdata(dev);
struct xgmac_priv *priv = netdev_priv(ndev);
void __iomem *ioaddr = priv->base;
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_core.c b/drivers/net/ethernet/cavium/liquidio/lio_core.c
index 1c50c10b5a16..d7e805749a5b 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_core.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_core.c
@@ -964,7 +964,7 @@ static void liquidio_schedule_droq_pkt_handlers(struct octeon_device *oct)
if (droq->ops.poll_mode) {
droq->ops.napi_fn(droq);
- oct_priv->napi_mask |= (1 << oq_no);
+ oct_priv->napi_mask |= BIT_ULL(oq_no);
} else {
tasklet_schedule(&oct_priv->droq_tasklet);
}
diff --git a/drivers/net/ethernet/cavium/liquidio/request_manager.c b/drivers/net/ethernet/cavium/liquidio/request_manager.c
index fcf20a8f92d9..032224178b64 100644
--- a/drivers/net/ethernet/cavium/liquidio/request_manager.c
+++ b/drivers/net/ethernet/cavium/liquidio/request_manager.c
@@ -218,15 +218,13 @@ int octeon_setup_iq(struct octeon_device *oct,
return 0;
}
oct->instr_queue[iq_no] =
- vmalloc_node(sizeof(struct octeon_instr_queue), numa_node);
+ vzalloc_node(sizeof(struct octeon_instr_queue), numa_node);
if (!oct->instr_queue[iq_no])
oct->instr_queue[iq_no] =
- vmalloc(sizeof(struct octeon_instr_queue));
+ vzalloc(sizeof(struct octeon_instr_queue));
if (!oct->instr_queue[iq_no])
return 1;
- memset(oct->instr_queue[iq_no], 0,
- sizeof(struct octeon_instr_queue));
oct->instr_queue[iq_no]->q_index = q_index;
oct->instr_queue[iq_no]->app_ctx = app_ctx;
diff --git a/drivers/net/ethernet/cavium/thunder/nic.h b/drivers/net/ethernet/cavium/thunder/nic.h
index 62636c1ed141..090d6b83982a 100644
--- a/drivers/net/ethernet/cavium/thunder/nic.h
+++ b/drivers/net/ethernet/cavium/thunder/nic.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2015 Cavium, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
*/
#ifndef NIC_H
diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c
index c90252829ed3..9361f964bb9b 100644
--- a/drivers/net/ethernet/cavium/thunder/nic_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nic_main.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2015 Cavium, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
*/
#include <linux/module.h>
diff --git a/drivers/net/ethernet/cavium/thunder/nic_reg.h b/drivers/net/ethernet/cavium/thunder/nic_reg.h
index a16c48a1ebb2..b3bd24febe75 100644
--- a/drivers/net/ethernet/cavium/thunder/nic_reg.h
+++ b/drivers/net/ethernet/cavium/thunder/nic_reg.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2015 Cavium, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
*/
#ifndef NIC_REG_H
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c b/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c
index 92ba958e204e..5e0b16bb95a0 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2015 Cavium, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
*/
/* ETHTOOL Support for VNIC_VF Device*/
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
index c032bef1b776..40a44dcb3d9b 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2015 Cavium, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
*/
#include <linux/module.h>
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
index e246f9733bb8..192bc92da881 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2015 Cavium, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
*/
#include <linux/pci.h>
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h
index 5e9a03cf1b4d..bc2427c49b89 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2015 Cavium, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
*/
#ifndef NICVF_QUEUES_H
diff --git a/drivers/net/ethernet/cavium/thunder/q_struct.h b/drivers/net/ethernet/cavium/thunder/q_struct.h
index e47205aa87ea..0df115d42612 100644
--- a/drivers/net/ethernet/cavium/thunder/q_struct.h
+++ b/drivers/net/ethernet/cavium/thunder/q_struct.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* This file contains HW queue descriptor formats, config register
* structures etc
*
* Copyright (C) 2015 Cavium, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
*/
#ifndef Q_STRUCT_H
diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
index a65be851124f..ad22554857bf 100644
--- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
+++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2015 Cavium, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
*/
#include <linux/acpi.h>
diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h
index 5cbc54e9eb19..25888706bdcd 100644
--- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h
+++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2015 Cavium, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
*/
#ifndef THUNDER_BGX_H
diff --git a/drivers/net/ethernet/cavium/thunder/thunder_xcv.c b/drivers/net/ethernet/cavium/thunder/thunder_xcv.c
index 2d5e8dab1f70..3ebb93792831 100644
--- a/drivers/net/ethernet/cavium/thunder/thunder_xcv.c
+++ b/drivers/net/ethernet/cavium/thunder/thunder_xcv.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2016 Cavium, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
*/
#include <linux/acpi.h>
diff --git a/drivers/net/ethernet/chelsio/cxgb/my3126.c b/drivers/net/ethernet/chelsio/cxgb/my3126.c
index 20c09cc4b323..60aa45b375b6 100644
--- a/drivers/net/ethernet/chelsio/cxgb/my3126.c
+++ b/drivers/net/ethernet/chelsio/cxgb/my3126.c
@@ -94,7 +94,7 @@ static int my3126_interrupt_handler(struct cphy *cphy)
return cphy_cause_link_change;
}
-static void my3216_poll(struct work_struct *work)
+static void my3126_poll(struct work_struct *work)
{
struct cphy *cphy = container_of(work, struct cphy, phy_update.work);
@@ -177,7 +177,7 @@ static struct cphy *my3126_phy_create(struct net_device *dev,
return NULL;
cphy_init(cphy, dev, phy_addr, &my3126_ops, mdio_ops);
- INIT_DELAYED_WORK(&cphy->phy_update, my3216_poll);
+ INIT_DELAYED_WORK(&cphy->phy_update, my3126_poll);
cphy->bmsr = 0;
return cphy;
diff --git a/drivers/net/ethernet/chelsio/cxgb4/Makefile b/drivers/net/ethernet/chelsio/cxgb4/Makefile
index 91d8a885deba..20390f6afbb4 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/Makefile
+++ b/drivers/net/ethernet/chelsio/cxgb4/Makefile
@@ -7,7 +7,7 @@ obj-$(CONFIG_CHELSIO_T4) += cxgb4.o
cxgb4-objs := cxgb4_main.o l2t.o smt.o t4_hw.o sge.o clip_tbl.o cxgb4_ethtool.o \
cxgb4_uld.o srq.o sched.o cxgb4_filter.o cxgb4_tc_u32.o \
- cxgb4_ptp.o cxgb4_tc_flower.o cxgb4_cudbg.o \
+ cxgb4_ptp.o cxgb4_tc_flower.o cxgb4_cudbg.o cxgb4_mps.o \
cudbg_common.o cudbg_lib.o cudbg_zlib.o
cxgb4-$(CONFIG_CHELSIO_T4_DCB) += cxgb4_dcb.o
cxgb4-$(CONFIG_CHELSIO_T4_FCOE) += cxgb4_fcoe.o
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_common.c b/drivers/net/ethernet/chelsio/cxgb4/cudbg_common.c
index 8edc49827af0..175e1a675de5 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_common.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_common.c
@@ -1,18 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2017 Chelsio Communications. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * The full GNU General Public License is included in this distribution in
- * the file called "COPYING".
- *
*/
#include "cxgb4.h"
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h b/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h
index b2d617abcf49..69746696a929 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h
@@ -1,18 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2017 Chelsio Communications. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * The full GNU General Public License is included in this distribution in
- * the file called "COPYING".
- *
*/
#ifndef __CUDBG_ENTITY_H__
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h b/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h
index dec63c15c0ba..fc3813050f0d 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h
@@ -1,18 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2017 Chelsio Communications. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * The full GNU General Public License is included in this distribution in
- * the file called "COPYING".
- *
*/
#ifndef __CUDBG_IF_H__
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
index 7c5bfc931128..c2e92786608b 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
@@ -1,18 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2017 Chelsio Communications. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * The full GNU General Public License is included in this distribution in
- * the file called "COPYING".
- *
*/
#include <linux/sort.h>
@@ -1066,14 +1054,12 @@ static void cudbg_t4_fwcache(struct cudbg_init *pdbg_init,
}
}
-static int cudbg_collect_mem_region(struct cudbg_init *pdbg_init,
- struct cudbg_buffer *dbg_buff,
- struct cudbg_error *cudbg_err,
- u8 mem_type)
+static unsigned long cudbg_mem_region_size(struct cudbg_init *pdbg_init,
+ struct cudbg_error *cudbg_err,
+ u8 mem_type)
{
struct adapter *padap = pdbg_init->adap;
struct cudbg_meminfo mem_info;
- unsigned long size;
u8 mc_idx;
int rc;
@@ -1087,7 +1073,16 @@ static int cudbg_collect_mem_region(struct cudbg_init *pdbg_init,
if (rc)
return rc;
- size = mem_info.avail[mc_idx].limit - mem_info.avail[mc_idx].base;
+ return mem_info.avail[mc_idx].limit - mem_info.avail[mc_idx].base;
+}
+
+static int cudbg_collect_mem_region(struct cudbg_init *pdbg_init,
+ struct cudbg_buffer *dbg_buff,
+ struct cudbg_error *cudbg_err,
+ u8 mem_type)
+{
+ unsigned long size = cudbg_mem_region_size(pdbg_init, cudbg_err, mem_type);
+
return cudbg_read_fw_mem(pdbg_init, dbg_buff, mem_type, size,
cudbg_err);
}
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h
index f047a01a3e5b..10ee6ed1d932 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h
@@ -1,18 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2017 Chelsio Communications. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * The full GNU General Public License is included in this distribution in
- * the file called "COPYING".
- *
*/
#ifndef __CUDBG_LIB_H__
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib_common.h b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib_common.h
index 8150ea85d6a5..9fac777b0b24 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib_common.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib_common.h
@@ -1,18 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2017 Chelsio Communications. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * The full GNU General Public License is included in this distribution in
- * the file called "COPYING".
- *
*/
#ifndef __CUDBG_LIB_COMMON_H__
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.c b/drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.c
index 25cc06d75cff..aad55fb3585f 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.c
@@ -1,18 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2018 Chelsio Communications. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * The full GNU General Public License is included in this distribution in
- * the file called "COPYING".
- *
*/
#include <linux/zlib.h>
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h b/drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h
index 60d23805dfc3..f6d83289ff1e 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h
@@ -1,18 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2018 Chelsio Communications. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * The full GNU General Public License is included in this distribution in
- * the file called "COPYING".
- *
*/
#ifndef __CUDBG_ZLIB_H__
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index a8fe0808823d..1fbb640e896a 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -280,6 +280,7 @@ struct tp_params {
unsigned short tx_modq[NCHAN]; /* channel to modulation queue map */
u32 vlan_pri_map; /* cached TP_VLAN_PRI_MAP */
+ u32 filter_mask;
u32 ingress_config; /* cached TP_INGRESS_CONFIG */
/* cached TP_OUT_CONFIG compressed error vector
@@ -600,6 +601,7 @@ struct port_info {
u8 vin;
u8 vivld;
u8 smt_idx;
+ u8 rx_cchan;
};
struct dentry;
@@ -878,6 +880,7 @@ struct uld_msix_info {
unsigned short vec;
char desc[IFNAMSIZ + 10];
unsigned int idx;
+ cpumask_var_t aff_mask;
};
struct vf_info {
@@ -902,10 +905,6 @@ struct mbox_list {
struct list_head list;
};
-struct mps_encap_entry {
- atomic_t refcnt;
-};
-
#if IS_ENABLED(CONFIG_THERMAL)
struct ch_thermal {
struct thermal_zone_device *tzdev;
@@ -914,6 +913,14 @@ struct ch_thermal {
};
#endif
+struct mps_entries_ref {
+ struct list_head list;
+ u8 addr[ETH_ALEN];
+ u8 mask[ETH_ALEN];
+ u16 idx;
+ refcount_t refcnt;
+};
+
struct adapter {
void __iomem *regs;
void __iomem *bar2;
@@ -938,9 +945,10 @@ struct adapter {
struct cxgb4_virt_res vres;
unsigned int swintr;
- struct {
+ struct msix_info {
unsigned short vec;
char desc[IFNAMSIZ + 10];
+ cpumask_var_t aff_mask;
} msix_info[MAX_INGQ + 1];
struct uld_msix_info *msix_info_ulds; /* msix info for uld's */
struct uld_msix_bmap msix_bmap_ulds; /* msix bitmap for all uld */
@@ -965,7 +973,6 @@ struct adapter {
unsigned int rawf_start;
unsigned int rawf_cnt;
struct smt_data *smt;
- struct mps_encap_entry *mps_encap;
struct cxgb4_uld_info *uld;
void *uld_handle[CXGB4_ULD_MAX];
unsigned int num_uld;
@@ -973,6 +980,8 @@ struct adapter {
struct list_head list_node;
struct list_head rcu_node;
struct list_head mac_hlist; /* list of MAC addresses in MPS Hash */
+ struct list_head mps_ref;
+ spinlock_t mps_ref_lock; /* lock for syncing mps ref/def activities */
void *iscsi_ppm;
@@ -1898,5 +1907,46 @@ int cxgb4_dcb_enabled(const struct net_device *dev);
int cxgb4_thermal_init(struct adapter *adap);
int cxgb4_thermal_remove(struct adapter *adap);
+int cxgb4_set_msix_aff(struct adapter *adap, unsigned short vec,
+ cpumask_var_t *aff_mask, int idx);
+void cxgb4_clear_msix_aff(unsigned short vec, cpumask_var_t aff_mask);
+
+int cxgb4_change_mac(struct port_info *pi, unsigned int viid,
+ int *tcam_idx, const u8 *addr,
+ bool persistent, u8 *smt_idx);
+
+int cxgb4_alloc_mac_filt(struct adapter *adap, unsigned int viid,
+ bool free, unsigned int naddr,
+ const u8 **addr, u16 *idx,
+ u64 *hash, bool sleep_ok);
+int cxgb4_free_mac_filt(struct adapter *adap, unsigned int viid,
+ unsigned int naddr, const u8 **addr, bool sleep_ok);
+int cxgb4_init_mps_ref_entries(struct adapter *adap);
+void cxgb4_free_mps_ref_entries(struct adapter *adap);
+int cxgb4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid,
+ const u8 *addr, const u8 *mask,
+ unsigned int vni, unsigned int vni_mask,
+ u8 dip_hit, u8 lookup_type, bool sleep_ok);
+int cxgb4_free_encap_mac_filt(struct adapter *adap, unsigned int viid,
+ int idx, bool sleep_ok);
+int cxgb4_free_raw_mac_filt(struct adapter *adap,
+ unsigned int viid,
+ const u8 *addr,
+ const u8 *mask,
+ unsigned int idx,
+ u8 lookup_type,
+ u8 port_id,
+ bool sleep_ok);
+int cxgb4_alloc_raw_mac_filt(struct adapter *adap,
+ unsigned int viid,
+ const u8 *addr,
+ const u8 *mask,
+ unsigned int idx,
+ u8 lookup_type,
+ u8 port_id,
+ bool sleep_ok);
+int cxgb4_update_mac_filt(struct port_info *pi, unsigned int viid,
+ int *tcam_idx, const u8 *addr,
+ bool persistent, u8 *smt_idx);
#endif /* __CXGB4_H__ */
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c
index 972f0a124714..e374b413d9ac 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c
@@ -1,18 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2017 Chelsio Communications. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * The full GNU General Public License is included in this distribution in
- * the file called "COPYING".
- *
*/
#include "t4_regs.h"
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.h
index ef59ba1ed968..66b805c7a92c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.h
@@ -1,18 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2017 Chelsio Communications. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * The full GNU General Public License is included in this distribution in
- * the file called "COPYING".
- *
*/
#ifndef __CXGB4_CUDBG_H__
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c
index 9bd5f755a0e0..4a872f328fea 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2013-2014 Chelsio Communications. All rights reserved.
*
* Written by Anish Bhatt (anish@chelsio.com)
* Casey Leedom (leedom@chelsio.com)
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * The full GNU General Public License is included in this distribution in
- * the file called "COPYING".
- *
*/
#include "cxgb4.h"