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-rw-r--r--.clang-format8
-rw-r--r--.mailmap9
-rw-r--r--Documentation/ABI/obsolete/sysfs-class-net-batman-adv (renamed from Documentation/ABI/testing/sysfs-class-net-batman-adv)2
-rw-r--r--Documentation/ABI/obsolete/sysfs-class-net-mesh (renamed from Documentation/ABI/testing/sysfs-class-net-mesh)2
-rw-r--r--Documentation/bpf/bpf_design_QA.rst29
-rw-r--r--Documentation/bpf/btf.rst57
-rw-r--r--Documentation/bpf/index.rst10
-rw-r--r--Documentation/bpf/prog_cgroup_sysctl.rst125
-rw-r--r--Documentation/bpf/prog_flow_dissector.rst (renamed from Documentation/networking/bpf_flow_dissector.rst)6
-rw-r--r--Documentation/devicetree/bindings/net/altera_tse.txt5
-rw-r--r--Documentation/devicetree/bindings/net/amd-xgbe.txt5
-rw-r--r--Documentation/devicetree/bindings/net/brcm,amac.txt4
-rw-r--r--Documentation/devicetree/bindings/net/cpsw.txt4
-rw-r--r--Documentation/devicetree/bindings/net/davinci_emac.txt5
-rw-r--r--Documentation/devicetree/bindings/net/dsa/dsa.txt160
-rw-r--r--Documentation/devicetree/bindings/net/dsa/sja1105.txt156
-rw-r--r--Documentation/devicetree/bindings/net/ethernet.txt8
-rw-r--r--Documentation/devicetree/bindings/net/hisilicon-femac.txt4
-rw-r--r--Documentation/devicetree/bindings/net/hisilicon-hix5hd2-gmac.txt4
-rw-r--r--Documentation/devicetree/bindings/net/keystone-netcp.txt10
-rw-r--r--Documentation/devicetree/bindings/net/macb.txt5
-rw-r--r--Documentation/devicetree/bindings/net/marvell-pxa168.txt4
-rw-r--r--Documentation/devicetree/bindings/net/mdio-mux-meson-g12a.txt48
-rw-r--r--Documentation/devicetree/bindings/net/microchip,enc28j60.txt3
-rw-r--r--Documentation/devicetree/bindings/net/microchip,lan78xx.txt5
-rw-r--r--Documentation/devicetree/bindings/net/phy.txt6
-rw-r--r--Documentation/devicetree/bindings/net/qca,qca7000.txt4
-rw-r--r--Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt5
-rw-r--r--Documentation/devicetree/bindings/net/samsung-sxgbe.txt4
-rw-r--r--Documentation/devicetree/bindings/net/snps,dwc-qos-ethernet.txt5
-rw-r--r--Documentation/devicetree/bindings/net/socionext,uniphier-ave4.txt4
-rw-r--r--Documentation/devicetree/bindings/net/socionext-netsec.txt5
-rw-r--r--Documentation/devicetree/bindings/net/wireless/mediatek,mt76.txt5
-rw-r--r--Documentation/devicetree/bindings/net/wireless/qca,ath9k.txt4
-rw-r--r--Documentation/networking/batman-adv.rst110
-rw-r--r--Documentation/networking/devlink-info-versions.rst5
-rw-r--r--Documentation/networking/dsa/bcm_sf2.rst (renamed from Documentation/networking/dsa/bcm_sf2.txt)27
-rw-r--r--Documentation/networking/dsa/dsa.rst (renamed from Documentation/networking/dsa/dsa.txt)279
-rw-r--r--Documentation/networking/dsa/index.rst11
-rw-r--r--Documentation/networking/dsa/lan9303.rst (renamed from Documentation/networking/dsa/lan9303.txt)6
-rw-r--r--Documentation/networking/dsa/sja1105.rst220
-rw-r--r--Documentation/networking/index.rst2
-rw-r--r--Documentation/networking/ip-sysctl.txt32
-rw-r--r--Documentation/packing.txt149
-rw-r--r--MAINTAINERS39
-rw-r--r--Makefile3
-rw-r--r--arch/alpha/include/uapi/asm/sockios.h4
-rw-r--r--arch/arm/mach-mvebu/kirkwood.c3
-rw-r--r--arch/arm64/include/asm/insn.h8
-rw-r--r--arch/arm64/kernel/insn.c40
-rw-r--r--arch/arm64/net/bpf_jit.h8
-rw-r--r--arch/arm64/net/bpf_jit_comp.c29
-rw-r--r--arch/ia64/include/uapi/asm/sockios.h21
-rw-r--r--arch/mips/include/uapi/asm/sockios.h4
-rw-r--r--arch/parisc/include/uapi/asm/sockios.h14
-rw-r--r--arch/powerpc/sysdev/tsi108_dev.c2
-rw-r--r--arch/sh/include/uapi/asm/sockios.h5
-rw-r--r--arch/sparc/include/uapi/asm/sockios.h15
-rw-r--r--arch/um/drivers/vector_kern.c2
-rw-r--r--arch/x86/include/uapi/asm/sockios.h1
-rw-r--r--arch/x86/net/bpf_jit_comp32.c236
-rw-r--r--arch/xtensa/include/uapi/asm/sockios.h4
-rw-r--r--crypto/crypto_user_base.c4
-rw-r--r--drivers/atm/iphase.c4
-rw-r--r--drivers/block/drbd/drbd_nl.c8
-rw-r--r--drivers/block/drbd/drbd_nla.c3
-rw-r--r--drivers/block/nbd.c38
-rw-r--r--drivers/bluetooth/Kconfig15
-rw-r--r--drivers/bluetooth/Makefile1
-rw-r--r--drivers/bluetooth/btbcm.c10
-rw-r--r--drivers/bluetooth/btmrvl_sdio.c36
-rw-r--r--drivers/bluetooth/btmtksdio.c1101
-rw-r--r--drivers/bluetooth/btmtkuart.c2
-rw-r--r--drivers/bluetooth/btqca.c7
-rw-r--r--drivers/bluetooth/btqca.h13
-rw-r--r--drivers/bluetooth/btsdio.c15
-rw-r--r--drivers/bluetooth/hci_bcm.c20
-rw-r--r--drivers/bluetooth/hci_h5.c2
-rw-r--r--drivers/bluetooth/hci_qca.c91
-rw-r--r--drivers/infiniband/core/addr.c8
-rw-r--r--drivers/infiniband/core/iwpm_util.c8
-rw-r--r--drivers/infiniband/core/nldev.c45
-rw-r--r--drivers/infiniband/core/sa_query.c8
-rw-r--r--drivers/infiniband/hw/cxgb4/restrack.c8
-rw-r--r--drivers/infiniband/hw/hfi1/vnic_main.c3
-rw-r--r--drivers/infiniband/hw/mlx5/cmd.c4
-rw-r--r--drivers/infiniband/hw/mlx5/main.c24
-rw-r--r--drivers/infiniband/hw/mlx5/mr.c3
-rw-r--r--drivers/infiniband/hw/mlx5/qp.c2
-rw-r--r--drivers/infiniband/hw/nes/nes_cm.c2
-rw-r--r--drivers/infiniband/ulp/opa_vnic/opa_vnic_netdev.c6
-rw-r--r--drivers/isdn/gigaset/bas-gigaset.c9
-rw-r--r--drivers/isdn/hardware/mISDN/hfcpci.c6
-rw-r--r--drivers/isdn/hisax/config.c6
-rw-r--r--drivers/isdn/i4l/isdn_ppp.c9
-rw-r--r--drivers/media/rc/bpf-lirc.c6
-rw-r--r--drivers/net/Kconfig1
-rw-r--r--drivers/net/appletalk/ipddp.c6
-rw-r--r--drivers/net/bonding/bond_main.c3
-rw-r--r--drivers/net/bonding/bond_netlink.c8
-rw-r--r--drivers/net/dsa/Kconfig4
-rw-r--r--drivers/net/dsa/Makefile1
-rw-r--r--drivers/net/dsa/b53/b53_common.c34
-rw-r--r--drivers/net/dsa/b53/b53_priv.h1
-rw-r--r--drivers/net/dsa/bcm_sf2.c9
-rw-r--r--drivers/net/dsa/lantiq_gswip.c812
-rw-r--r--drivers/net/dsa/microchip/ksz9477.c1
-rw-r--r--drivers/net/dsa/mt7530.c20
-rw-r--r--drivers/net/dsa/mt7530.h1
-rw-r--r--drivers/net/dsa/mv88e6060.c217
-rw-r--r--drivers/net/dsa/mv88e6060.h1
-rw-r--r--drivers/net/dsa/mv88e6xxx/Makefile1
-rw-r--r--drivers/net/dsa/mv88e6xxx/chip.c287
-rw-r--r--drivers/net/dsa/mv88e6xxx/chip.h11
-rw-r--r--drivers/net/dsa/mv88e6xxx/port.h1
-rw-r--r--drivers/net/dsa/mv88e6xxx/smi.c158
-rw-r--r--drivers/net/dsa/mv88e6xxx/smi.h59
-rw-r--r--drivers/net/dsa/sja1105/Kconfig17
-rw-r--r--drivers/net/dsa/sja1105/Makefile9
-rw-r--r--drivers/net/dsa/sja1105/sja1105.h159
-rw-r--r--drivers/net/dsa/sja1105/sja1105_clocking.c601
-rw-r--r--drivers/net/dsa/sja1105/sja1105_dynamic_config.c532
-rw-r--r--drivers/net/dsa/sja1105/sja1105_dynamic_config.h43
-rw-r--r--drivers/net/dsa/sja1105/sja1105_ethtool.c419
-rw-r--r--drivers/net/dsa/sja1105/sja1105_main.c1675
-rw-r--r--drivers/net/dsa/sja1105/sja1105_spi.c590
-rw-r--r--drivers/net/dsa/sja1105/sja1105_static_config.c987
-rw-r--r--drivers/net/dsa/sja1105/sja1105_static_config.h253
-rw-r--r--drivers/net/dummy.c15
-rw-r--r--drivers/net/ethernet/aeroflex/greth.c2
-rw-r--r--drivers/net/ethernet/allwinner/sun4i-emac.c2
-rw-r--r--drivers/net/ethernet/altera/altera_tse_main.c2
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_com.c11
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_ethtool.c4
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_netdev.c35
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-dev.c2
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-drv.c6
-rw-r--r--drivers/net/ethernet/aquantia/Kconfig3
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/Makefile1
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_cfg.h10
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_common.h3
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.c125
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.h15
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c22
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_hw.h4
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.c12
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.h1
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_main.c41
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_main.h2
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_nic.c121
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_nic.h7
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c48
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_pci_func.h7
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_ring.c188
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_ring.h34
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_vec.c3
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c12
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c29
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h3
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0_internal.h2
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c56
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h37
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h16
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c13
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c36
-rw-r--r--drivers/net/ethernet/arc/emac_main.c2
-rw-r--r--drivers/net/ethernet/aurora/nb8800.c10
-rw-r--r--drivers/net/ethernet/broadcom/Kconfig1
-rw-r--r--drivers/net/ethernet/broadcom/bcmsysport.c71
-rw-r--r--drivers/net/ethernet/broadcom/bcmsysport.h10
-rw-r--r--drivers/net/ethernet/broadcom/bgmac-bcma.c2
-rw-r--r--drivers/net/ethernet/broadcom/bgmac-platform.c2
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c5
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h3
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h21
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c52
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c271
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.h12
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c4
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c46
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_hsi.h263
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c25
-rw-r--r--drivers/net/ethernet/broadcom/cnic.c13
-rw-r--r--drivers/net/ethernet/broadcom/genet/bcmgenet.c4
-rw-r--r--drivers/net/ethernet/broadcom/tg3.c5
-rw-r--r--drivers/net/ethernet/cadence/macb_main.c85
-rw-r--r--drivers/net/ethernet/cavium/Kconfig1
-rw-r--r--drivers/net/ethernet/cavium/liquidio/lio_main.c2
-rw-r--r--drivers/net/ethernet/cavium/liquidio/lio_vf_main.c2
-rw-r--r--drivers/net/ethernet/cavium/octeon/octeon_mgmt.c2
-rw-r--r--drivers/net/ethernet/cavium/thunder/thunder_bgx.c18
-rw-r--r--drivers/net/ethernet/chelsio/cxgb3/l2t.c4
-rw-r--r--drivers/net/ethernet/chelsio/cxgb3/l2t.h2
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4.h4
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c23
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c41
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c30
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c5
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_hw.c107
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4fw_version.h12
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c18
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c10
-rw-r--r--drivers/net/ethernet/cisco/enic/enic_main.c2
-rw-r--r--drivers/net/ethernet/cortina/gemini.c2
-rw-r--r--drivers/net/ethernet/davicom/dm9000.c2
-rw-r--r--drivers/net/ethernet/emulex/benet/be_main.c2
-rw-r--r--drivers/net/ethernet/ethoc.c2
-rw-r--r--drivers/net/ethernet/ezchip/nps_enet.c2
-rw-r--r--drivers/net/ethernet/freescale/dpaa/dpaa_eth.c2
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c88
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h25
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c97
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c2
-rw-r--r--drivers/net/ethernet/freescale/fec_mpc52xx.c2
-rw-r--r--drivers/net/ethernet/freescale/fman/mac.c2
-rw-r--r--drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c2
-rw-r--r--drivers/net/ethernet/freescale/gianfar.c2
-rw-r--r--drivers/net/ethernet/freescale/ucc_geth.c2
-rw-r--r--drivers/net/ethernet/freescale/ucc_geth_ethtool.c8
-rw-r--r--drivers/net/ethernet/hisilicon/hisi_femac.c2
-rw-r--r--drivers/net/ethernet/hisilicon/hix5hd2_gmac.c2
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c2
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_enet.c7
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h11
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hnae3.c40
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hnae3.h49
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c9
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_enet.c953
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_enet.h40
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c207
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c17
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h36
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c110
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c1017
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h5
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c910
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h71
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c73
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c11
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c5
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c52
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c148
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h17
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c30
-rw-r--r--drivers/net/ethernet/huawei/hinic/hinic_tx.c2
-rw-r--r--drivers/net/ethernet/ibm/ehea/ehea_main.c2
-rw-r--r--drivers/net/ethernet/ibm/ehea/ehea_qmr.c6
-rw-r--r--drivers/net/ethernet/ibm/ibmveth.c2
-rw-r--r--drivers/net/ethernet/ibm/ibmvnic.c108
-rw-r--r--drivers/net/ethernet/ibm/ibmvnic.h20
-rw-r--r--drivers/net/ethernet/intel/e100.c2
-rw-r--r--drivers/net/ethernet/intel/e1000/e1000_main.c4
-rw-r--r--drivers/net/ethernet/intel/e1000e/netdev.c6
-rw-r--r--drivers/net/ethernet/intel/fm10k/fm10k_main.c4
-rw-r--r--drivers/net/ethernet/intel/i40e/Makefile1
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e.h30
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_adminq.c7
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h36
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_client.c6
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_common.c355
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_dcb.c28
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_dcb.h2
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_ddp.c481
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_debugfs.c4
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_devids.h5
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_ethtool.c82
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_main.c413
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_nvm.c5
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_prototype.h14
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_ptp.c58
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_txrx.c5
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_type.h30
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c171
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h2
-rw-r--r--drivers/net/ethernet/intel/iavf/i40e_adminq_cmd.h2
-rw-r--r--drivers/net/ethernet/intel/iavf/iavf_txrx.c4
-rw-r--r--drivers/net/ethernet/intel/ice/Makefile1
-rw-r--r--drivers/net/ethernet/intel/ice/ice.h110
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-rw-r--r--tools/testing/selftests/bpf/progs/test_verif_scale1.c30
-rw-r--r--tools/testing/selftests/bpf/progs/test_verif_scale2.c30
-rw-r--r--tools/testing/selftests/bpf/progs/test_verif_scale3.c30
-rw-r--r--tools/testing/selftests/bpf/test_btf.c799
-rw-r--r--tools/testing/selftests/bpf/test_btf.h69
-rw-r--r--tools/testing/selftests/bpf/test_libbpf_open.c2
-rwxr-xr-xtools/testing/selftests/bpf/test_lwt_ip_encap.sh134
-rw-r--r--tools/testing/selftests/bpf/test_maps.c18
-rw-r--r--tools/testing/selftests/bpf/test_maps.h17
-rwxr-xr-xtools/testing/selftests/bpf/test_offload.py227
-rw-r--r--tools/testing/selftests/bpf/test_progs.c6
-rw-r--r--tools/testing/selftests/bpf/test_progs.h1
-rw-r--r--tools/testing/selftests/bpf/test_section_names.c5
-rw-r--r--tools/testing/selftests/bpf/test_sock_fields.c115
-rw-r--r--tools/testing/selftests/bpf/test_sysctl.c1567
-rwxr-xr-xtools/testing/selftests/bpf/test_tc_edt.sh99
-rwxr-xr-xtools/testing/selftests/bpf/test_tc_tunnel.sh290
-rwxr-xr-xtools/testing/selftests/bpf/test_tcp_check_syncookie.sh81
-rw-r--r--tools/testing/selftests/bpf/test_tcp_check_syncookie_user.c212
-rw-r--r--tools/testing/selftests/bpf/test_verifier.c215
-rw-r--r--tools/testing/selftests/bpf/trace_helpers.c4
-rw-r--r--tools/testing/selftests/bpf/urandom_read.c15
-rw-r--r--tools/testing/selftests/bpf/verifier/array_access.c159
-rw-r--r--tools/testing/selftests/bpf/verifier/ctx_skb.c1
-rw-r--r--tools/testing/selftests/bpf/verifier/direct_value_access.c347
-rw-r--r--tools/testing/selftests/bpf/verifier/int_ptr.c160
-rw-r--r--tools/testing/selftests/bpf/verifier/jit.c19
-rw-r--r--tools/testing/selftests/bpf/verifier/ld_dw.c9
-rw-r--r--tools/testing/selftests/bpf/verifier/raw_tp_writable.c34
-rw-r--r--tools/testing/selftests/bpf/verifier/ref_tracking.c126
-rw-r--r--tools/testing/selftests/bpf/verifier/scale.c18
-rw-r--r--tools/testing/selftests/bpf/verifier/sock.c116
-rw-r--r--tools/testing/selftests/bpf/verifier/unpriv.c8
-rw-r--r--tools/testing/selftests/bpf/verifier/var_off.c186
-rwxr-xr-xtools/testing/selftests/drivers/net/mlxsw/qos_ets_strict.sh311
-rw-r--r--tools/testing/selftests/drivers/net/mlxsw/qos_lib.sh98
-rwxr-xr-xtools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh122
-rwxr-xr-xtools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh26
-rwxr-xr-xtools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh1
-rwxr-xr-xtools/testing/selftests/drivers/net/mlxsw/spectrum/devlink_resources.sh3
-rwxr-xr-xtools/testing/selftests/drivers/net/mlxsw/spectrum/resource_scale.sh5
-rw-r--r--tools/testing/selftests/net/config2
-rwxr-xr-xtools/testing/selftests/net/fib_tests.sh70
-rwxr-xr-xtools/testing/selftests/net/forwarding/bridge_igmp.sh152
-rw-r--r--tools/testing/selftests/net/forwarding/devlink_lib.sh110
-rwxr-xr-xtools/testing/selftests/net/forwarding/loopback.sh94
-rwxr-xr-xtools/testing/selftests/net/forwarding/router_multicast.sh107
-rwxr-xr-xtools/testing/selftests/net/forwarding/tc_flower.sh59
-rwxr-xr-xtools/testing/selftests/net/forwarding/tc_vlan_modify.sh164
-rwxr-xr-xtools/testing/selftests/net/pmtu.sh213
-rwxr-xr-xtools/testing/selftests/net/rtnetlink.sh11
-rw-r--r--tools/testing/selftests/netfilter/Makefile3
-rwxr-xr-xtools/testing/selftests/netfilter/bridge_brouter.sh146
-rwxr-xr-xtools/testing/selftests/netfilter/nft_nat.sh146
-rw-r--r--tools/testing/selftests/tc-testing/tc-tests/actions/pedit.json903
-rw-r--r--tools/testing/selftests/tc-testing/tc-tests/filters/tests.json20
1636 files changed, 126809 insertions, 26976 deletions
diff --git a/.clang-format b/.clang-format
index f3923a1f9858..2ffd69afc1a8 100644
--- a/.clang-format
+++ b/.clang-format
@@ -387,14 +387,14 @@ ForEachMacros:
- 'rhl_for_each_entry_rcu'
- 'rhl_for_each_rcu'
- 'rht_for_each'
- - 'rht_for_each_continue'
+ - 'rht_for_each_from'
- 'rht_for_each_entry'
- - 'rht_for_each_entry_continue'
+ - 'rht_for_each_entry_from'
- 'rht_for_each_entry_rcu'
- - 'rht_for_each_entry_rcu_continue'
+ - 'rht_for_each_entry_rcu_from'
- 'rht_for_each_entry_safe'
- 'rht_for_each_rcu'
- - 'rht_for_each_rcu_continue'
+ - 'rht_for_each_rcu_from'
- '__rq_for_each_bio'
- 'rq_for_each_bvec'
- 'rq_for_each_segment'
diff --git a/.mailmap b/.mailmap
index 907a5ffd3460..0049c0b49056 100644
--- a/.mailmap
+++ b/.mailmap
@@ -16,6 +16,9 @@ Alan Cox <alan@lxorguk.ukuu.org.uk>
Alan Cox <root@hraefn.swansea.linux.org.uk>
Aleksey Gorelov <aleksey_gorelov@phoenix.com>
Aleksandar Markovic <aleksandar.markovic@mips.com> <aleksandar.markovic@imgtec.com>
+Alexei Starovoitov <ast@kernel.org> <ast@plumgrid.com>
+Alexei Starovoitov <ast@kernel.org> <alexei.starovoitov@gmail.com>
+Alexei Starovoitov <ast@kernel.org> <ast@fb.com>
Al Viro <viro@ftp.linux.org.uk>
Al Viro <viro@zenIV.linux.org.uk>
Andi Shyti <andi@etezian.org> <andi.shyti@samsung.com>
@@ -46,6 +49,12 @@ Christoph Hellwig <hch@lst.de>
Christophe Ricard <christophe.ricard@gmail.com>
Corey Minyard <minyard@acm.org>
Damian Hobson-Garcia <dhobsong@igel.co.jp>
+Daniel Borkmann <daniel@iogearbox.net> <dborkman@redhat.com>
+Daniel Borkmann <daniel@iogearbox.net> <dborkmann@redhat.com>
+Daniel Borkmann <daniel@iogearbox.net> <danborkmann@iogearbox.net>
+Daniel Borkmann <daniel@iogearbox.net> <daniel.borkmann@tik.ee.ethz.ch>
+Daniel Borkmann <daniel@iogearbox.net> <danborkmann@googlemail.com>
+Daniel Borkmann <daniel@iogearbox.net> <dxchgb@gmail.com>
David Brownell <david-b@pacbell.net>
David Woodhouse <dwmw2@shinybook.infradead.org>
Dengcheng Zhu <dzhu@wavecomp.com> <dengcheng.zhu@mips.com>
diff --git a/Documentation/ABI/testing/sysfs-class-net-batman-adv b/Documentation/ABI/obsolete/sysfs-class-net-batman-adv
index 898106849e27..5bdbc8d40256 100644
--- a/Documentation/ABI/testing/sysfs-class-net-batman-adv
+++ b/Documentation/ABI/obsolete/sysfs-class-net-batman-adv
@@ -1,3 +1,5 @@
+This ABI is deprecated and will be removed after 2021. It is
+replaced with the batadv generic netlink family.
What: /sys/class/net/<iface>/batman-adv/elp_interval
Date: Feb 2014
diff --git a/Documentation/ABI/testing/sysfs-class-net-mesh b/Documentation/ABI/obsolete/sysfs-class-net-mesh
index c2b956d44a95..04c1a2932507 100644
--- a/Documentation/ABI/testing/sysfs-class-net-mesh
+++ b/Documentation/ABI/obsolete/sysfs-class-net-mesh
@@ -1,3 +1,5 @@
+This ABI is deprecated and will be removed after 2021. It is
+replaced with the batadv generic netlink family.
What: /sys/class/net/<mesh_iface>/mesh/aggregated_ogms
Date: May 2010
diff --git a/Documentation/bpf/bpf_design_QA.rst b/Documentation/bpf/bpf_design_QA.rst
index 10453c627135..cb402c59eca5 100644
--- a/Documentation/bpf/bpf_design_QA.rst
+++ b/Documentation/bpf/bpf_design_QA.rst
@@ -85,8 +85,33 @@ Q: Can loops be supported in a safe way?
A: It's not clear yet.
BPF developers are trying to find a way to
-support bounded loops where the verifier can guarantee that
-the program terminates in less than 4096 instructions.
+support bounded loops.
+
+Q: What are the verifier limits?
+--------------------------------
+A: The only limit known to the user space is BPF_MAXINSNS (4096).
+It's the maximum number of instructions that the unprivileged bpf
+program can have. The verifier has various internal limits.
+Like the maximum number of instructions that can be explored during
+program analysis. Currently, that limit is set to 1 million.
+Which essentially means that the largest program can consist
+of 1 million NOP instructions. There is a limit to the maximum number
+of subsequent branches, a limit to the number of nested bpf-to-bpf
+calls, a limit to the number of the verifier states per instruction,
+a limit to the number of maps used by the program.
+All these limits can be hit with a sufficiently complex program.
+There are also non-numerical limits that can cause the program
+to be rejected. The verifier used to recognize only pointer + constant
+expressions. Now it can recognize pointer + bounded_register.
+bpf_lookup_map_elem(key) had a requirement that 'key' must be
+a pointer to the stack. Now, 'key' can be a pointer to map value.
+The verifier is steadily getting 'smarter'. The limits are
+being removed. The only way to know that the program is going to
+be accepted by the verifier is to try to load it.
+The bpf development process guarantees that the future kernel
+versions will accept all bpf programs that were accepted by
+the earlier versions.
+
Instruction level questions
---------------------------
diff --git a/Documentation/bpf/btf.rst b/Documentation/bpf/btf.rst
index 7313d354f20e..29396e6943b0 100644
--- a/Documentation/bpf/btf.rst
+++ b/Documentation/bpf/btf.rst
@@ -82,6 +82,8 @@ sequentially and type id is assigned to each recognized type starting from id
#define BTF_KIND_RESTRICT 11 /* Restrict */
#define BTF_KIND_FUNC 12 /* Function */
#define BTF_KIND_FUNC_PROTO 13 /* Function Proto */
+ #define BTF_KIND_VAR 14 /* Variable */
+ #define BTF_KIND_DATASEC 15 /* Section */
Note that the type section encodes debug info, not just pure types.
``BTF_KIND_FUNC`` is not a type, and it represents a defined subprogram.
@@ -393,6 +395,61 @@ refers to parameter type.
If the function has variable arguments, the last parameter is encoded with
``name_off = 0`` and ``type = 0``.
+2.2.14 BTF_KIND_VAR
+~~~~~~~~~~~~~~~~~~~
+
+``struct btf_type`` encoding requirement:
+ * ``name_off``: offset to a valid C identifier
+ * ``info.kind_flag``: 0
+ * ``info.kind``: BTF_KIND_VAR
+ * ``info.vlen``: 0
+ * ``type``: the type of the variable
+
+``btf_type`` is followed by a single ``struct btf_variable`` with the
+following data::
+
+ struct btf_var {
+ __u32 linkage;
+ };
+
+``struct btf_var`` encoding:
+ * ``linkage``: currently only static variable 0, or globally allocated
+ variable in ELF sections 1
+
+Not all type of global variables are supported by LLVM at this point.
+The following is currently available:
+
+ * static variables with or without section attributes
+ * global variables with section attributes
+
+The latter is for future extraction of map key/value type id's from a
+map definition.
+
+2.2.15 BTF_KIND_DATASEC
+~~~~~~~~~~~~~~~~~~~~~~~
+
+``struct btf_type`` encoding requirement:
+ * ``name_off``: offset to a valid name associated with a variable or
+ one of .data/.bss/.rodata
+ * ``info.kind_flag``: 0
+ * ``info.kind``: BTF_KIND_DATASEC
+ * ``info.vlen``: # of variables
+ * ``size``: total section size in bytes (0 at compilation time, patched
+ to actual size by BPF loaders such as libbpf)
+
+``btf_type`` is followed by ``info.vlen`` number of ``struct btf_var_secinfo``.::
+
+ struct btf_var_secinfo {
+ __u32 type;
+ __u32 offset;
+ __u32 size;
+ };
+
+``struct btf_var_secinfo`` encoding:
+ * ``type``: the type of the BTF_KIND_VAR variable
+ * ``offset``: the in-section offset of the variable
+ * ``size``: the size of the variable in bytes
+
3. BTF Kernel API
*****************
diff --git a/Documentation/bpf/index.rst b/Documentation/bpf/index.rst
index 4e77932959cc..d3fe4cac0c90 100644
--- a/Documentation/bpf/index.rst
+++ b/Documentation/bpf/index.rst
@@ -36,6 +36,16 @@ Two sets of Questions and Answers (Q&A) are maintained.
bpf_devel_QA
+Program types
+=============
+
+.. toctree::
+ :maxdepth: 1
+
+ prog_cgroup_sysctl
+ prog_flow_dissector
+
+
.. Links:
.. _Documentation/networking/filter.txt: ../networking/filter.txt
.. _man-pages: https://www.kernel.org/doc/man-pages/
diff --git a/Documentation/bpf/prog_cgroup_sysctl.rst b/Documentation/bpf/prog_cgroup_sysctl.rst
new file mode 100644
index 000000000000..677d6c637cf3
--- /dev/null
+++ b/Documentation/bpf/prog_cgroup_sysctl.rst
@@ -0,0 +1,125 @@
+.. SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+
+===========================
+BPF_PROG_TYPE_CGROUP_SYSCTL
+===========================
+
+This document describes ``BPF_PROG_TYPE_CGROUP_SYSCTL`` program type that
+provides cgroup-bpf hook for sysctl.
+
+The hook has to be attached to a cgroup and will be called every time a
+process inside that cgroup tries to read from or write to sysctl knob in proc.
+
+1. Attach type
+**************
+
+``BPF_CGROUP_SYSCTL`` attach type has to be used to attach
+``BPF_PROG_TYPE_CGROUP_SYSCTL`` program to a cgroup.
+
+2. Context
+**********
+
+``BPF_PROG_TYPE_CGROUP_SYSCTL`` provides access to the following context from
+BPF program::
+
+ struct bpf_sysctl {
+ __u32 write;
+ __u32 file_pos;
+ };
+
+* ``write`` indicates whether sysctl value is being read (``0``) or written
+ (``1``). This field is read-only.
+
+* ``file_pos`` indicates file position sysctl is being accessed at, read
+ or written. This field is read-write. Writing to the field sets the starting
+ position in sysctl proc file ``read(2)`` will be reading from or ``write(2)``
+ will be writing to. Writing zero to the field can be used e.g. to override
+ whole sysctl value by ``bpf_sysctl_set_new_value()`` on ``write(2)`` even
+ when it's called by user space on ``file_pos > 0``. Writing non-zero
+ value to the field can be used to access part of sysctl value starting from
+ specified ``file_pos``. Not all sysctl support access with ``file_pos !=
+ 0``, e.g. writes to numeric sysctl entries must always be at file position
+ ``0``. See also ``kernel.sysctl_writes_strict`` sysctl.
+
+See `linux/bpf.h`_ for more details on how context field can be accessed.
+
+3. Return code
+**************
+
+``BPF_PROG_TYPE_CGROUP_SYSCTL`` program must return one of the following
+return codes:
+
+* ``0`` means "reject access to sysctl";
+* ``1`` means "proceed with access".
+
+If program returns ``0`` user space will get ``-1`` from ``read(2)`` or
+``write(2)`` and ``errno`` will be set to ``EPERM``.
+
+4. Helpers
+**********
+
+Since sysctl knob is represented by a name and a value, sysctl specific BPF
+helpers focus on providing access to these properties:
+
+* ``bpf_sysctl_get_name()`` to get sysctl name as it is visible in
+ ``/proc/sys`` into provided by BPF program buffer;
+
+* ``bpf_sysctl_get_current_value()`` to get string value currently held by
+ sysctl into provided by BPF program buffer. This helper is available on both
+ ``read(2)`` from and ``write(2)`` to sysctl;
+
+* ``bpf_sysctl_get_new_value()`` to get new string value currently being
+ written to sysctl before actual write happens. This helper can be used only
+ on ``ctx->write == 1``;
+
+* ``bpf_sysctl_set_new_value()`` to override new string value currently being
+ written to sysctl before actual write happens. Sysctl value will be
+ overridden starting from the current ``ctx->file_pos``. If the whole value
+ has to be overridden BPF program can set ``file_pos`` to zero before calling
+ to the helper. This helper can be used only on ``ctx->write == 1``. New
+ string value set by the helper is treated and verified by kernel same way as
+ an equivalent string passed by user space.
+
+BPF program sees sysctl value same way as user space does in proc filesystem,
+i.e. as a string. Since many sysctl values represent an integer or a vector
+of integers, the following helpers can be used to get numeric value from the
+string:
+
+* ``bpf_strtol()`` to convert initial part of the string to long integer
+ similar to user space `strtol(3)`_;
+* ``bpf_strtoul()`` to convert initial part of the string to unsigned long
+ integer similar to user space `strtoul(3)`_;
+
+See `linux/bpf.h`_ for more details on helpers described here.
+
+5. Examples
+***********
+
+See `test_sysctl_prog.c`_ for an example of BPF program in C that access
+sysctl name and value, parses string value to get vector of integers and uses
+the result to make decision whether to allow or deny access to sysctl.
+
+6. Notes
+********
+
+``BPF_PROG_TYPE_CGROUP_SYSCTL`` is intended to be used in **trusted** root
+environment, for example to monitor sysctl usage or catch unreasonable values
+an application, running as root in a separate cgroup, is trying to set.
+
+Since `task_dfl_cgroup(current)` is called at `sys_read` / `sys_write` time it
+may return results different from that at `sys_open` time, i.e. process that
+opened sysctl file in proc filesystem may differ from process that is trying
+to read from / write to it and two such processes may run in different
+cgroups, what means ``BPF_PROG_TYPE_CGROUP_SYSCTL`` should not be used as a
+security mechanism to limit sysctl usage.
+
+As with any cgroup-bpf program additional care should be taken if an
+application running as root in a cgroup should not be allowed to
+detach/replace BPF program attached by administrator.
+
+.. Links
+.. _linux/bpf.h: ../../include/uapi/linux/bpf.h
+.. _strtol(3): http://man7.org/linux/man-pages/man3/strtol.3p.html
+.. _strtoul(3): http://man7.org/linux/man-pages/man3/strtoul.3p.html
+.. _test_sysctl_prog.c:
+ ../../tools/testing/selftests/bpf/progs/test_sysctl_prog.c
diff --git a/Documentation/networking/bpf_flow_dissector.rst b/Documentation/bpf/prog_flow_dissector.rst
index b375ae2ec2c4..ed343abe541e 100644
--- a/Documentation/networking/bpf_flow_dissector.rst
+++ b/Documentation/bpf/prog_flow_dissector.rst
@@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0
-==================
-BPF Flow Dissector
-==================
+============================
+BPF_PROG_TYPE_FLOW_DISSECTOR
+============================
Overview
========
diff --git a/Documentation/devicetree/bindings/net/altera_tse.txt b/Documentation/devicetree/bindings/net/altera_tse.txt
index 0e21df94a53f..0b7d4d3758ea 100644
--- a/Documentation/devicetree/bindings/net/altera_tse.txt
+++ b/Documentation/devicetree/bindings/net/altera_tse.txt
@@ -46,9 +46,8 @@ Required properties:
- reg: phy id used to communicate to phy.
- device_type: Must be "ethernet-phy".
-Optional properties:
-- local-mac-address: See ethernet.txt in the same directory.
-- max-frame-size: See ethernet.txt in the same directory.
+The MAC address will be determined using the optional properties defined in
+ethernet.txt.
Example:
diff --git a/Documentation/devicetree/bindings/net/amd-xgbe.txt b/Documentation/devicetree/bindings/net/amd-xgbe.txt
index 93dcb79a5f16..9c27dfcd1133 100644
--- a/Documentation/devicetree/bindings/net/amd-xgbe.txt
+++ b/Documentation/devicetree/bindings/net/amd-xgbe.txt
@@ -24,8 +24,6 @@ Required properties:
- phy-mode: See ethernet.txt file in the same directory
Optional properties:
-- mac-address: mac address to be assigned to the device. Can be overridden
- by UEFI.
- dma-coherent: Present if dma operations are coherent
- amd,per-channel-interrupt: Indicates that Rx and Tx complete will generate
a unique interrupt for each DMA channel - this requires an additional
@@ -34,6 +32,9 @@ Optional properties:
0 - 1GbE and 10GbE (default)
1 - 2.5GbE and 10GbE
+The MAC address will be determined using the optional properties defined in
+ethernet.txt.
+
The following optional properties are represented by an array with each
value corresponding to a particular speed. The first array value represents
the setting for the 1GbE speed, the second value for the 2.5GbE speed and
diff --git a/Documentation/devicetree/bindings/net/brcm,amac.txt b/Documentation/devicetree/bindings/net/brcm,amac.txt
index 0bfad656a9ff..0120ebe93262 100644
--- a/Documentation/devicetree/bindings/net/brcm,amac.txt
+++ b/Documentation/devicetree/bindings/net/brcm,amac.txt
@@ -16,8 +16,8 @@ Required properties:
registers (required for Northstar2)
- interrupts: Interrupt number
-Optional properties:
-- mac-address: See ethernet.txt file in the same directory
+The MAC address will be determined using the optional properties
+defined in ethernet.txt.
Examples:
diff --git a/Documentation/devicetree/bindings/net/cpsw.txt b/Documentation/devicetree/bindings/net/cpsw.txt
index 3264e1978d25..7c7ac5eb0313 100644
--- a/Documentation/devicetree/bindings/net/cpsw.txt
+++ b/Documentation/devicetree/bindings/net/cpsw.txt
@@ -49,10 +49,12 @@ Required properties:
Optional properties:
- dual_emac_res_vlan : Specifies VID to be used to segregate the ports
-- mac-address : See ethernet.txt file in the same directory
- phy_id : Specifies slave phy id (deprecated, use phy-handle)
- phy-handle : See ethernet.txt file in the same directory
+The MAC address will be determined using the optional properties
+defined in ethernet.txt.
+
Slave sub-nodes:
- fixed-link : See fixed-link.txt file in the same directory
diff --git a/Documentation/devicetree/bindings/net/davinci_emac.txt b/Documentation/devicetree/bindings/net/davinci_emac.txt
index ca83dcc84fb8..5e3579e72e2d 100644
--- a/Documentation/devicetree/bindings/net/davinci_emac.txt
+++ b/Documentation/devicetree/bindings/net/davinci_emac.txt
@@ -20,11 +20,12 @@ Required properties:
Optional properties:
- phy-handle: See ethernet.txt file in the same directory.
If absent, davinci_emac driver defaults to 100/FULL.
-- nvmem-cells: phandle, reference to an nvmem node for the MAC address
-- nvmem-cell-names: string, should be "mac-address" if nvmem is to be used
- ti,davinci-rmii-en: 1 byte, 1 means use RMII
- ti,davinci-no-bd-ram: boolean, does EMAC have BD RAM?
+The MAC address will be determined using the optional properties
+defined in ethernet.txt.
+
Example (enbw_cmc board):
eth0: emac@1e20000 {
compatible = "ti,davinci-dm6467-emac";
diff --git a/Documentation/devicetree/bindings/net/dsa/dsa.txt b/Documentation/devicetree/bindings/net/dsa/dsa.txt
index d66a5292b9d3..f66bb7ecdb82 100644
--- a/Documentation/devicetree/bindings/net/dsa/dsa.txt
+++ b/Documentation/devicetree/bindings/net/dsa/dsa.txt
@@ -1,12 +1,6 @@
Distributed Switch Architecture Device Tree Bindings
----------------------------------------------------
-Two bindings exist, one of which has been deprecated due to
-limitations.
-
-Current Binding
----------------
-
Switches are true Linux devices and can be probed by any means. Once
probed, they register to the DSA framework, passing a node
pointer. This node is expected to fulfil the following binding, and
@@ -71,9 +65,8 @@ properties, described in binding documents:
Documentation/devicetree/bindings/net/fixed-link.txt
for details.
-- local-mac-address : See
- Documentation/devicetree/bindings/net/ethernet.txt
- for details.
+The MAC address will be determined using the optional properties
+defined in ethernet.txt.
Example
@@ -262,152 +255,3 @@ linked into one DSA cluster.
};
};
};
-
-Deprecated Binding
-------------------
-
-The deprecated binding makes use of a platform device to represent the
-switches. The switches themselves are not Linux devices, and make use
-of an MDIO bus for management.
-
-Required properties:
-- compatible : Should be "marvell,dsa"
-- #address-cells : Must be 2, first cell is the address on the MDIO bus
- and second cell is the address in the switch tree.
- Second cell is used only when cascading/chaining.
-- #size-cells : Must be 0
-- dsa,ethernet : Should be a phandle to a valid Ethernet device node
-- dsa,mii-bus : Should be a phandle to a valid MDIO bus device node
-
-Optional properties:
-- interrupts : property with a value describing the switch
- interrupt number (not supported by the driver)
-
-A DSA node can contain multiple switch chips which are therefore child nodes of
-the parent DSA node. The maximum number of allowed child nodes is 4
-(DSA_MAX_SWITCHES).
-Each of these switch child nodes should have the following required properties:
-
-- reg : Contains two fields. The first one describes the
- address on the MII bus. The second is the switch
- number that must be unique in cascaded configurations
-- #address-cells : Must be 1
-- #size-cells : Must be 0
-
-A switch child node has the following optional property:
-
-- eeprom-length : Set to the length of an EEPROM connected to the
- switch. Must be set if the switch can not detect
- the presence and/or size of a connected EEPROM,
- otherwise optional.
-
-A switch may have multiple "port" children nodes
-
-Each port children node must have the following mandatory properties:
-- reg : Describes the port address in the switch
-- label : Describes the label associated with this port, special
- labels are "cpu" to indicate a CPU port and "dsa" to
- indicate an uplink/downlink port.
-
-Note that a port labelled "dsa" will imply checking for the uplink phandle
-described below.
-
-Optional property:
-- link : Should be a list of phandles to another switch's DSA port.
- This property is only used when switches are being
- chained/cascaded together. This port is used as outgoing port
- towards the phandle port, which can be more than one hop away.
-
-- phy-handle : Phandle to a PHY on an external MDIO bus, not the
- switch internal one. See
- Documentation/devicetree/bindings/net/ethernet.txt
- for details.
-
-- phy-mode : String representing the connection to the designated
- PHY node specified by the 'phy-handle' property. See
- Documentation/devicetree/bindings/net/ethernet.txt
- for details.
-
-- mii-bus : Should be a phandle to a valid MDIO bus device node.
- This mii-bus will be used in preference to the
- global dsa,mii-bus defined above, for this switch.
-
-Optional subnodes:
-- fixed-link : Fixed-link subnode describing a link to a non-MDIO
- managed entity. See
- Documentation/devicetree/bindings/net/fixed-link.txt
- for details.
-
-Example:
-
- dsa@0 {
- compatible = "marvell,dsa";
- #address-cells = <2>;
- #size-cells = <0>;
-
- interrupts = <10>;
- dsa,ethernet = <&ethernet0>;
- dsa,mii-bus = <&mii_bus0>;
-
- switch@0 {
- #address-cells = <1>;
- #size-cells = <0>;
- reg = <16 0>; /* MDIO address 16, switch 0 in tree */
-
- port@0 {
- reg = <0>;
- label = "lan1";
- phy-handle = <&phy0>;
- };
-
- port@1 {
- reg = <1>;
- label = "lan2";
- };
-
- port@5 {
- reg = <5>;
- label = "cpu";
- };
-
- switch0port6: port@6 {
- reg = <6>;
- label = "dsa";
- link = <&switch1port0
- &switch2port0>;
- };
- };
-
- switch@1 {
- #address-cells = <1>;
- #size-cells = <0>;
- reg = <17 1>; /* MDIO address 17, switch 1 in tree */
- mii-bus = <&mii_bus1>;
- reset-gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
-
- switch1port0: port@0 {
- reg = <0>;
- label = "dsa";
- link = <&switch0port6>;
- };
- switch1port1: port@1 {
- reg = <1>;
- label = "dsa";
- link = <&switch2port1>;
- };
- };
-
- switch@2 {
- #address-cells = <1>;
- #size-cells = <0>;
- reg = <18 2>; /* MDIO address 18, switch 2 in tree */
- mii-bus = <&mii_bus1>;
-
- switch2port0: port@0 {
- reg = <0>;
- label = "dsa";
- link = <&switch1port1
- &switch0port6>;
- };
- };
- };
diff --git a/Documentation/devicetree/bindings/net/dsa/sja1105.txt b/Documentation/devicetree/bindings/net/dsa/sja1105.txt
new file mode 100644
index 000000000000..13fd21074d48
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/dsa/sja1105.txt
@@ -0,0 +1,156 @@
+NXP SJA1105 switch driver
+=========================
+
+Required properties:
+
+- compatible:
+ Must be one of:
+ - "nxp,sja1105e"
+ - "nxp,sja1105t"
+ - "nxp,sja1105p"
+ - "nxp,sja1105q"
+ - "nxp,sja1105r"
+ - "nxp,sja1105s"
+
+ Although the device ID could be detected at runtime, explicit bindings
+ are required in order to be able to statically check their validity.
+ For example, SGMII can only be specified on port 4 of R and S devices,
+ and the non-SGMII devices, while pin-compatible, are not equal in terms
+ of support for RGMII internal delays (supported on P/Q/R/S, but not on
+ E/T).
+
+Optional properties:
+
+- sja1105,role-mac:
+- sja1105,role-phy:
+ Boolean properties that can be assigned under each port node. By
+ default (unless otherwise specified) a port is configured as MAC if it
+ is driving a PHY (phy-handle is present) or as PHY if it is PHY-less
+ (fixed-link specified, presumably because it is connected to a MAC).
+ The effect of this property (in either its implicit or explicit form)
+ is:
+ - In the case of MII or RMII it specifies whether the SJA1105 port is a
+ clock source or sink for this interface (not applicable for RGMII
+ where there is a Tx and an Rx clock).
+ - In the case of RGMII it affects the behavior regarding internal
+ delays:
+ 1. If sja1105,role-mac is specified, and the phy-mode property is one
+ of "rgmii-id", "rgmii-txid" or "rgmii-rxid", then the entity
+ designated to apply the delay/clock skew necessary for RGMII
+ is the PHY. The SJA1105 MAC does not apply any internal delays.
+ 2. If sja1105,role-phy is specified, and the phy-mode property is one
+ of the above, the designated entity to apply the internal delays
+ is the SJA1105 MAC (if hardware-supported). This is only supported
+ by the second-generation (P/Q/R/S) hardware. On a first-generation
+ E or T device, it is an error to specify an RGMII phy-mode other
+ than "rgmii" for a port that is in fixed-link mode. In that case,
+ the clock skew must either be added by the MAC at the other end of
+ the fixed-link, or by PCB serpentine traces on the board.
+ These properties are required, for example, in the case where SJA1105
+ ports are at both ends of a MII/RMII PHY-less setup. One end would need
+ to have sja1105,role-mac, while the other sja1105,role-phy.
+
+See Documentation/devicetree/bindings/net/dsa/dsa.txt for the list of standard
+DSA required and optional properties.
+
+Other observations
+------------------
+
+The SJA1105 SPI interface requires a CS-to-CLK time (t2 in UM10944) of at least
+one half of t_CLK. At an SPI frequency of 1MHz, this means a minimum
+cs_sck_delay of 500ns. Ensuring that this SPI timing requirement is observed
+depends on the SPI bus master driver.
+
+Example
+-------
+
+Ethernet switch connected via SPI to the host, CPU port wired to enet2:
+
+arch/arm/boot/dts/ls1021a-tsn.dts:
+
+/* SPI controller of the LS1021 */
+&dspi0 {
+ sja1105@1 {
+ reg = <0x1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "nxp,sja1105t";
+ spi-max-frequency = <4000000>;
+ fsl,spi-cs-sck-delay = <1000>;
+ fsl,spi-sck-cs-delay = <1000>;
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 {
+ /* ETH5 written on chassis */
+ label = "swp5";
+ phy-handle = <&rgmii_phy6>;
+ phy-mode = "rgmii-id";
+ reg = <0>;
+ /* Implicit "sja1105,role-mac;" */
+ };
+ port@1 {
+ /* ETH2 written on chassis */
+ label = "swp2";
+ phy-handle = <&rgmii_phy3>;
+ phy-mode = "rgmii-id";
+ reg = <1>;
+ /* Implicit "sja1105,role-mac;" */
+ };
+ port@2 {
+ /* ETH3 written on chassis */
+ label = "swp3";
+ phy-handle = <&rgmii_phy4>;
+ phy-mode = "rgmii-id";
+ reg = <2>;
+ /* Implicit "sja1105,role-mac;" */
+ };
+ port@3 {
+ /* ETH4 written on chassis */
+ phy-handle = <&rgmii_phy5>;
+ label = "swp4";
+ phy-mode = "rgmii-id";
+ reg = <3>;
+ /* Implicit "sja1105,role-mac;" */
+ };
+ port@4 {
+ /* Internal port connected to eth2 */
+ ethernet = <&enet2>;
+ phy-mode = "rgmii";
+ reg = <4>;
+ /* Implicit "sja1105,role-phy;" */
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+ };
+ };
+ };
+};
+
+/* MDIO controller of the LS1021 */
+&mdio0 {
+ /* BCM5464 */
+ rgmii_phy3: ethernet-phy@3 {
+ reg = <0x3>;
+ };
+ rgmii_phy4: ethernet-phy@4 {
+ reg = <0x4>;
+ };
+ rgmii_phy5: ethernet-phy@5 {
+ reg = <0x5>;
+ };
+ rgmii_phy6: ethernet-phy@6 {
+ reg = <0x6>;
+ };
+};
+
+/* Ethernet master port of the LS1021 */
+&enet2 {
+ phy-connection-type = "rgmii";
+ status = "ok";
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+};
diff --git a/Documentation/devicetree/bindings/net/ethernet.txt b/Documentation/devicetree/bindings/net/ethernet.txt
index a68621580584..e88c3641d613 100644
--- a/Documentation/devicetree/bindings/net/ethernet.txt
+++ b/Documentation/devicetree/bindings/net/ethernet.txt
@@ -4,12 +4,14 @@ NOTE: All 'phy*' properties documented below are Ethernet specific. For the
generic PHY 'phys' property, see
Documentation/devicetree/bindings/phy/phy-bindings.txt.
-- local-mac-address: array of 6 bytes, specifies the MAC address that was
- assigned to the network device;
- mac-address: array of 6 bytes, specifies the MAC address that was last used by
the boot program; should be used in cases where the MAC address assigned to
the device by the boot program is different from the "local-mac-address"
property;
+- local-mac-address: array of 6 bytes, specifies the MAC address that was
+ assigned to the network device;
+- nvmem-cells: phandle, reference to an nvmem node for the MAC address
+- nvmem-cell-names: string, should be "mac-address" if nvmem is to be used
- max-speed: number, specifies maximum speed in Mbit/s supported by the device;
- max-frame-size: number, maximum transfer unit (IEEE defined MTU), rather than
the maximum frame size (there's contradiction in the Devicetree
@@ -36,7 +38,7 @@ Documentation/devicetree/bindings/phy/phy-bindings.txt.
* "smii"
* "xgmii"
* "trgmii"
- * "2000base-x",
+ * "1000base-x",
* "2500base-x",
* "rxaui"
* "xaui"
diff --git a/Documentation/devicetree/bindings/net/hisilicon-femac.txt b/Documentation/devicetree/bindings/net/hisilicon-femac.txt
index d11af5ecace8..5f96976f3cea 100644
--- a/Documentation/devicetree/bindings/net/hisilicon-femac.txt
+++ b/Documentation/devicetree/bindings/net/hisilicon-femac.txt
@@ -14,7 +14,6 @@ Required properties:
the PHY reset signal(optional).
- reset-names: should contain the reset signal name "mac"(required)
and "phy"(optional).
-- mac-address: see ethernet.txt [1].
- phy-mode: see ethernet.txt [1].
- phy-handle: see ethernet.txt [1].
- hisilicon,phy-reset-delays-us: triplet of delays if PHY reset signal given.
@@ -22,6 +21,9 @@ Required properties:
The 2nd cell is reset pulse in micro seconds.
The 3rd cell is reset post-delay in micro seconds.
+The MAC address will be determined using the optional properties
+defined in ethernet.txt[1].
+
[1] Documentation/devicetree/bindings/net/ethernet.txt
Example:
diff --git a/Documentation/devicetree/bindings/net/hisilicon-hix5hd2-gmac.txt b/Documentation/devicetree/bindings/net/hisilicon-hix5hd2-gmac.txt
index eea73adc678f..cddf46bf6b63 100644
--- a/Documentation/devicetree/bindings/net/hisilicon-hix5hd2-gmac.txt
+++ b/Documentation/devicetree/bindings/net/hisilicon-hix5hd2-gmac.txt
@@ -18,7 +18,6 @@ Required properties:
- #size-cells: must be <0>.
- phy-mode: see ethernet.txt [1].
- phy-handle: see ethernet.txt [1].
-- mac-address: see ethernet.txt [1].
- clocks: clock phandle and specifier pair.
- clock-names: contain the clock name "mac_core"(required) and "mac_ifc"(optional).
- resets: should contain the phandle to the MAC core reset signal(optional),
@@ -31,6 +30,9 @@ Required properties:
The 2nd cell is reset pulse in micro seconds.
The 3rd cell is reset post-delay in micro seconds.
+The MAC address will be determined using the properties defined in
+ethernet.txt[1].
+
- PHY subnode: inherits from phy binding [2]
[1] Documentation/devicetree/bindings/net/ethernet.txt
diff --git a/Documentation/devicetree/bindings/net/keystone-netcp.txt b/Documentation/devicetree/bindings/net/keystone-netcp.txt
index 04ba1dc34fd6..3a65aabc76a2 100644
--- a/Documentation/devicetree/bindings/net/keystone-netcp.txt
+++ b/Documentation/devicetree/bindings/net/keystone-netcp.txt
@@ -135,14 +135,14 @@ Optional properties:
are swapped. The netcp driver will swap the two DWORDs
back to the proper order when this property is set to 2
when it obtains the mac address from efuse.
-- local-mac-address: the driver is designed to use the of_get_mac_address api
- only if efuse-mac is 0. When efuse-mac is 0, the MAC
- address is obtained from local-mac-address. If this
- attribute is not present, then the driver will use a
- random MAC address.
- "netcp-device label": phandle to the device specification for each of NetCP
sub-module attached to this interface.
+The MAC address will be determined using the optional properties defined in
+ethernet.txt, as provided by the of_get_mac_address API and only if efuse-mac
+is set to 0. If any of the optional MAC address properties are not present,
+then the driver will use random MAC address.
+
Example binding:
netcp: netcp@2000000 {
diff --git a/Documentation/devicetree/bindings/net/macb.txt b/Documentation/devicetree/bindings/net/macb.txt
index 8b80515729d7..9c5e94482b5f 100644
--- a/Documentation/devicetree/bindings/net/macb.txt
+++ b/Documentation/devicetree/bindings/net/macb.txt
@@ -26,9 +26,8 @@ Required properties:
Optional elements: 'tsu_clk'
- clocks: Phandles to input clocks.
-Optional properties:
-- nvmem-cells: phandle, reference to an nvmem node for the MAC address
-- nvmem-cell-names: string, should be "mac-address" if nvmem is to be used
+The MAC address will be determined using the optional properties
+defined in ethernet.txt.
Optional properties for PHY child node:
- reset-gpios : Should specify the gpio for phy reset
diff --git a/Documentation/devicetree/bindings/net/marvell-pxa168.txt b/Documentation/devicetree/bindings/net/marvell-pxa168.txt
index 845a148a346e..5574af3554aa 100644
--- a/Documentation/devicetree/bindings/net/marvell-pxa168.txt
+++ b/Documentation/devicetree/bindings/net/marvell-pxa168.txt
@@ -11,7 +11,9 @@ Optional properties:
- #address-cells: must be 1 when using sub-nodes.
- #size-cells: must be 0 when using sub-nodes.
- phy-handle: see ethernet.txt file in the same directory.
-- local-mac-address: see ethernet.txt file in the same directory.
+
+The MAC address will be determined using the optional properties
+defined in ethernet.txt.
Sub-nodes:
Each PHY can be represented as a sub-node. This is not mandatory.
diff --git a/Documentation/devicetree/bindings/net/mdio-mux-meson-g12a.txt b/Documentation/devicetree/bindings/net/mdio-mux-meson-g12a.txt
new file mode 100644
index 000000000000..3a96cbed9294
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/mdio-mux-meson-g12a.txt
@@ -0,0 +1,48 @@
+Properties for the MDIO bus multiplexer/glue of Amlogic G12a SoC family.
+
+This is a special case of a MDIO bus multiplexer. It allows to choose between
+the internal mdio bus leading to the embedded 10/100 PHY or the external
+MDIO bus.
+
+Required properties in addition to the generic multiplexer properties:
+- compatible : amlogic,g12a-mdio-mux
+- reg: physical address and length of the multiplexer/glue registers
+- clocks: list of clock phandle, one for each entry clock-names.
+- clock-names: should contain the following:
+ * "pclk" : peripheral clock.
+ * "clkin0" : platform crytal
+ * "clkin1" : SoC 50MHz MPLL
+
+Example :
+
+mdio_mux: mdio-multiplexer@4c000 {
+ compatible = "amlogic,g12a-mdio-mux";
+ reg = <0x0 0x4c000 0x0 0xa4>;
+ clocks = <&clkc CLKID_ETH_PHY>,
+ <&xtal>,
+ <&clkc CLKID_MPLL_5OM>;
+ clock-names = "pclk", "clkin0", "clkin1";
+ mdio-parent-bus = <&mdio0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ext_mdio: mdio@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ int_mdio: mdio@1 {
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ internal_ephy: ethernet-phy@8 {
+ compatible = "ethernet-phy-id0180.3301",
+ "ethernet-phy-ieee802.3-c22";
+ interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <8>;
+ max-speed = <100>;
+ };
+ };
+};
diff --git a/Documentation/devicetree/bindings/net/microchip,enc28j60.txt b/Documentation/devicetree/bindings/net/microchip,enc28j60.txt
index 24626e082b83..a8275921a896 100644
--- a/Documentation/devicetree/bindings/net/microchip,enc28j60.txt
+++ b/Documentation/devicetree/bindings/net/microchip,enc28j60.txt
@@ -21,8 +21,9 @@ Optional properties:
- spi-max-frequency: Maximum frequency of the SPI bus when accessing the ENC28J60.
According to the ENC28J80 datasheet, the chip allows a maximum of 20 MHz, however,
board designs may need to limit this value.
-- local-mac-address: See ethernet.txt in the same directory.
+The MAC address will be determined using the optional properties
+defined in ethernet.txt.
Example (for NXP i.MX28 with pin control stuff for GPIO irq):
diff --git a/Documentation/devicetree/bindings/net/microchip,lan78xx.txt b/Documentation/devicetree/bindings/net/microchip,lan78xx.txt
index 76786a0f6d3d..11a679530ae6 100644
--- a/Documentation/devicetree/bindings/net/microchip,lan78xx.txt
+++ b/Documentation/devicetree/bindings/net/microchip,lan78xx.txt
@@ -7,9 +7,8 @@ The Device Tree properties, if present, override the OTP and EEPROM.
Required properties:
- compatible: Should be one of "usb424,7800", "usb424,7801" or "usb424,7850".
-Optional properties:
-- local-mac-address: see ethernet.txt
-- mac-address: see ethernet.txt
+The MAC address will be determined using the optional properties
+defined in ethernet.txt.
Optional properties of the embedded PHY:
- microchip,led-modes: a 0..4 element vector, with each element configuring
diff --git a/Documentation/devicetree/bindings/net/phy.txt b/Documentation/devicetree/bindings/net/phy.txt
index 17c1d2bd00f6..9b9e5b1765dd 100644
--- a/Documentation/devicetree/bindings/net/phy.txt
+++ b/Documentation/devicetree/bindings/net/phy.txt
@@ -51,6 +51,10 @@ Optional Properties:
to ensure the integrated PHY is used. The absence of this property indicates
the muxers should be configured so that the external PHY is used.
+- resets: The reset-controller phandle and specifier for the PHY reset signal.
+
+- reset-names: Must be "phy" for the PHY reset signal.
+
- reset-gpios: The GPIO phandle and specifier for the PHY reset signal.
- reset-assert-us: Delay after the reset was asserted in microseconds.
@@ -67,6 +71,8 @@ ethernet-phy@0 {
interrupts = <35 IRQ_TYPE_EDGE_RISING>;
reg = <0>;
+ resets = <&rst 8>;
+ reset-names = "phy";
reset-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
reset-assert-us = <1000>;
reset-deassert-us = <2000>;
diff --git a/Documentation/devicetree/bindings/net/qca,qca7000.txt b/Documentation/devicetree/bindings/net/qca,qca7000.txt
index e4a8a51086df..21c36e524993 100644
--- a/Documentation/devicetree/bindings/net/qca,qca7000.txt
+++ b/Documentation/devicetree/bindings/net/qca,qca7000.txt
@@ -23,7 +23,6 @@ Optional properties:
Numbers smaller than 1000000 or greater than 16000000
are invalid. Missing the property will set the SPI
frequency to 8000000 Hertz.
-- local-mac-address : see ./ethernet.txt
- qca,legacy-mode : Set the SPI data transfer of the QCA7000 to legacy mode.
In this mode the SPI master must toggle the chip select
between each data word. In burst mode these gaps aren't
@@ -31,6 +30,9 @@ Optional properties:
the QCA7000 is setup via GPIO pin strapping. If the
property is missing the driver defaults to burst mode.
+The MAC address will be determined using the optional properties
+defined in ethernet.txt.
+
SPI Example:
/* Freescale i.MX28 SPI master*/
diff --git a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
index 824c0e23c544..7ef6118abd3d 100644
--- a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
+++ b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
@@ -11,20 +11,21 @@ Required properties:
- compatible: should contain one of the following:
* "qcom,qca6174-bt"
* "qcom,wcn3990-bt"
+ * "qcom,wcn3998-bt"
Optional properties for compatible string qcom,qca6174-bt:
- enable-gpios: gpio specifier used to enable chip
- clocks: clock provided to the controller (SUSCLK_32KHZ)
-Required properties for compatible string qcom,wcn3990-bt:
+Required properties for compatible string qcom,wcn399x-bt:
- vddio-supply: VDD_IO supply regulator handle.
- vddxo-supply: VDD_XO supply regulator handle.
- vddrf-supply: VDD_RF supply regulator handle.
- vddch0-supply: VDD_CH0 supply regulator handle.
-Optional properties for compatible string qcom,wcn3990-bt:
+Optional properties for compatible string qcom,wcn399x-bt:
- max-speed: see Documentation/devicetree/bindings/serial/slave-device.txt
diff --git a/Documentation/devicetree/bindings/net/samsung-sxgbe.txt b/Documentation/devicetree/bindings/net/samsung-sxgbe.txt
index 46e591178911..2cff6d8a585a 100644
--- a/Documentation/devicetree/bindings/net/samsung-sxgbe.txt
+++ b/Documentation/devicetree/bindings/net/samsung-sxgbe.txt
@@ -21,10 +21,12 @@ Required properties:
range.
Optional properties:
-- mac-address: 6 bytes, mac address
- max-frame-size: Maximum Transfer Unit (IEEE defined MTU), rather
than the maximum frame size.
+The MAC address will be determined using the optional properties
+defined in ethernet.txt.
+
Example:
aliases {
diff --git a/Documentation/devicetree/bindings/net/snps,dwc-qos-ethernet.txt b/Documentation/devicetree/bindings/net/snps,dwc-qos-ethernet.txt
index 36f1aef585f0..ad3c6e109ce1 100644
--- a/Documentation/devicetree/bindings/net/snps,dwc-qos-ethernet.txt
+++ b/Documentation/devicetree/bindings/net/snps,dwc-qos-ethernet.txt
@@ -103,8 +103,6 @@ Required properties:
Optional properties:
- dma-coherent: Present if dma operations are coherent
-- mac-address: See ethernet.txt in the same directory
-- local-mac-address: See ethernet.txt in the same directory
- phy-reset-gpios: Phandle and specifier for any GPIO used to reset the PHY.
See ../gpio/gpio.txt.
- snps,en-lpi: If present it enables use of the AXI low-power interface
@@ -133,6 +131,9 @@ Optional properties:
- device_type: Must be "ethernet-phy".
- fixed-mode device tree subnode: see fixed-link.txt in the same directory
+The MAC address will be determined using the optional properties
+defined in ethernet.txt.
+
Examples:
ethernet2@40010000 {
clock-names = "phy_ref_clk", "apb_pclk";
diff --git a/Documentation/devicetree/bindings/net/socionext,uniphier-ave4.txt b/Documentation/devicetree/bindings/net/socionext,uniphier-ave4.txt
index fc8f01718690..4e85fc495e87 100644
--- a/Documentation/devicetree/bindings/net/socionext,uniphier-ave4.txt
+++ b/Documentation/devicetree/bindings/net/socionext,uniphier-ave4.txt
@@ -31,8 +31,8 @@ Required properties:
- socionext,syscon-phy-mode: A phandle to syscon with one argument
that configures phy mode. The argument is the ID of MAC instance.
-Optional properties:
- - local-mac-address: See ethernet.txt in the same directory.
+The MAC address will be determined using the optional properties
+defined in ethernet.txt.
Required subnode:
- mdio: A container for child nodes representing phy nodes.
diff --git a/Documentation/devicetree/bindings/net/socionext-netsec.txt b/Documentation/devicetree/bindings/net/socionext-netsec.txt
index 0cff94fb0433..9d6c9feb12ff 100644
--- a/Documentation/devicetree/bindings/net/socionext-netsec.txt
+++ b/Documentation/devicetree/bindings/net/socionext-netsec.txt
@@ -26,11 +26,12 @@ Required properties:
Optional properties: (See ethernet.txt file in the same directory)
- dma-coherent: Boolean property, must only be present if memory
accesses performed by the device are cache coherent.
-- local-mac-address: See ethernet.txt in the same directory.
-- mac-address: See ethernet.txt in the same directory.
- max-speed: See ethernet.txt in the same directory.
- max-frame-size: See ethernet.txt in the same directory.
+The MAC address will be determined using the optional properties
+defined in ethernet.txt.
+
Example:
eth0: ethernet@522d0000 {
compatible = "socionext,synquacer-netsec";
diff --git a/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.txt b/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.txt
index 7b9a776230c0..74665502f4cf 100644
--- a/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.txt
+++ b/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.txt
@@ -13,11 +13,12 @@ properties:
Optional properties:
-- mac-address: See ethernet.txt in the parent directory
-- local-mac-address: See ethernet.txt in the parent directory
- ieee80211-freq-limit: See ieee80211.txt
- mediatek,mtd-eeprom: Specify a MTD partition + offset containing EEPROM data
+The driver is using of_get_mac_address API, so the MAC address can be as well
+be set with corresponding optional properties defined in net/ethernet.txt.
+
Optional nodes:
- led: Properties for a connected LED
Optional properties:
diff --git a/Documentation/devicetree/bindings/net/wireless/qca,ath9k.txt b/Documentation/devicetree/bindings/net/wireless/qca,ath9k.txt
index b7396c8c271c..aaaeeb5f935b 100644
--- a/Documentation/devicetree/bindings/net/wireless/qca,ath9k.txt
+++ b/Documentation/devicetree/bindings/net/wireless/qca,ath9k.txt
@@ -34,9 +34,9 @@ Optional properties:
ath9k wireless chip (in this case the calibration /
EEPROM data will be loaded from userspace using the
kernel firmware loader).
-- mac-address: See ethernet.txt in the parent directory
-- local-mac-address: See ethernet.txt in the parent directory
+The MAC address will be determined using the optional properties defined in
+net/ethernet.txt.
In this example, the node is defined as child node of the PCI controller:
&pci0 {
diff --git a/Documentation/networking/batman-adv.rst b/Documentation/networking/batman-adv.rst
index 245fb6c0ab6f..18020943ba25 100644
--- a/Documentation/networking/batman-adv.rst
+++ b/Documentation/networking/batman-adv.rst
@@ -27,24 +27,8 @@ Load the batman-adv module into your kernel::
$ insmod batman-adv.ko
The module is now waiting for activation. You must add some interfaces on which
-batman can operate. After loading the module batman advanced will scan your
-systems interfaces to search for compatible interfaces. Once found, it will
-create subfolders in the ``/sys`` directories of each supported interface,
-e.g.::
-
- $ ls /sys/class/net/eth0/batman_adv/
- elp_interval iface_status mesh_iface throughput_override
-
-If an interface does not have the ``batman_adv`` subfolder, it probably is not
-supported. Not supported interfaces are: loopback, non-ethernet and batman's
-own interfaces.
-
-Note: After the module was loaded it will continuously watch for new
-interfaces to verify the compatibility. There is no need to reload the module
-if you plug your USB wifi adapter into your machine after batman advanced was
-initially loaded.
-
-The batman-adv soft-interface can be created using the iproute2 tool ``ip``::
+batman-adv can operate. The batman-adv soft-interface can be created using the
+iproute2 tool ``ip``::
$ ip link add name bat0 type batadv
@@ -52,57 +36,46 @@ To activate a given interface simply attach it to the ``bat0`` interface::
$ ip link set dev eth0 master bat0
-Repeat this step for all interfaces you wish to add. Now batman starts
+Repeat this step for all interfaces you wish to add. Now batman-adv starts
using/broadcasting on this/these interface(s).
-By reading the "iface_status" file you can check its status::
-
- $ cat /sys/class/net/eth0/batman_adv/iface_status
- active
-
To deactivate an interface you have to detach it from the "bat0" interface::
$ ip link set dev eth0 nomaster
+The same can also be done using the batctl interface subcommand::
-All mesh wide settings can be found in batman's own interface folder::
+ batctl -m bat0 interface create
+ batctl -m bat0 interface add -M eth0
- $ ls /sys/class/net/bat0/mesh/
- aggregated_ogms fragmentation isolation_mark routing_algo
- ap_isolation gw_bandwidth log_level vlan0
- bonding gw_mode multicast_mode
- bridge_loop_avoidance gw_sel_class network_coding
- distributed_arp_table hop_penalty orig_interval
+To detach eth0 and destroy bat0::
-There is a special folder for debugging information::
+ batctl -m bat0 interface del -M eth0
+ batctl -m bat0 interface destroy
- $ ls /sys/kernel/debug/batman_adv/bat0/
- bla_backbone_table log neighbors transtable_local
- bla_claim_table mcast_flags originators
- dat_cache nc socket
- gateways nc_nodes transtable_global
+There are additional settings for each batadv mesh interface, vlan and hardif
+which can be modified using batctl. Detailed information about this can be found
+in its manual.
-Some of the files contain all sort of status information regarding the mesh
-network. For example, you can view the table of originators (mesh
-participants) with::
+For instance, you can check the current originator interval (value
+in milliseconds which determines how often batman-adv sends its broadcast
+packets)::
- $ cat /sys/kernel/debug/batman_adv/bat0/originators
-
-Other files allow to change batman's behaviour to better fit your requirements.
-For instance, you can check the current originator interval (value in
-milliseconds which determines how often batman sends its broadcast packets)::
-
- $ cat /sys/class/net/bat0/mesh/orig_interval
+ $ batctl -M bat0 orig_interval
1000
and also change its value::
- $ echo 3000 > /sys/class/net/bat0/mesh/orig_interval
+ $ batctl -M bat0 orig_interval 3000
In very mobile scenarios, you might want to adjust the originator interval to a
lower value. This will make the mesh more responsive to topology changes, but
will also increase the overhead.
+Information about the current state can be accessed via the batadv generic
+netlink family. batctl provides human readable version via its debug tables
+subcommands.
+
Usage
=====
@@ -147,43 +120,16 @@ batman-adv module. When building batman-adv as part of kernel, use "make
menuconfig" and enable the option ``B.A.T.M.A.N. debugging``
(``CONFIG_BATMAN_ADV_DEBUG=y``).
-Those additional debug messages can be accessed using a special file in
-debugfs::
+Those additional debug messages can be accessed using the perf infrastructure::
- $ cat /sys/kernel/debug/batman_adv/bat0/log
+ $ trace-cmd stream -e batadv:batadv_dbg
The additional debug output is by default disabled. It can be enabled during
-run time. Following log_levels are defined:
-
-.. flat-table::
-
- * - 0
- - All debug output disabled
- * - 1
- - Enable messages related to routing / flooding / broadcasting
- * - 2
- - Enable messages related to route added / changed / deleted
- * - 4
- - Enable messages related to translation table operations
- * - 8
- - Enable messages related to bridge loop avoidance
- * - 16
- - Enable messages related to DAT, ARP snooping and parsing
- * - 32
- - Enable messages related to network coding
- * - 64
- - Enable messages related to multicast
- * - 128
- - Enable messages related to throughput meter
- * - 255
- - Enable all messages
-
-The debug output can be changed at runtime using the file
-``/sys/class/net/bat0/mesh/log_level``. e.g.::
-
- $ echo 6 > /sys/class/net/bat0/mesh/log_level
-
-will enable debug messages for when routes change.
+run time::
+
+ $ batctl -m bat0 loglevel routes tt
+
+will enable debug messages for when routes and translation table entries change.
Counters for different types of packets entering and leaving the batman-adv
module are available through ethtool::
diff --git a/Documentation/networking/devlink-info-versions.rst b/Documentation/networking/devlink-info-versions.rst
index c79ad8593383..4316342b7746 100644
--- a/Documentation/networking/devlink-info-versions.rst
+++ b/Documentation/networking/devlink-info-versions.rst
@@ -41,3 +41,8 @@ fw.ncsi
Version of the software responsible for supporting/handling the
Network Controller Sideband Interface.
+
+fw.psid
+=======
+
+Unique identifier of the firmware parameter set.
diff --git a/Documentation/networking/dsa/bcm_sf2.txt b/Documentation/networking/dsa/bcm_sf2.rst
index eba3a2431e91..dee234039e1e 100644
--- a/Documentation/networking/dsa/bcm_sf2.txt
+++ b/Documentation/networking/dsa/bcm_sf2.rst
@@ -1,3 +1,4 @@
+=============================================
Broadcom Starfighter 2 Ethernet switch driver
=============================================
@@ -25,27 +26,27 @@ are connected at a lower speed.
The switch hardware block is typically interfaced using MMIO accesses and
contains a bunch of sub-blocks/registers:
-* SWITCH_CORE: common switch registers
-* SWITCH_REG: external interfaces switch register
-* SWITCH_MDIO: external MDIO bus controller (there is another one in SWITCH_CORE,
+- ``SWITCH_CORE``: common switch registers
+- ``SWITCH_REG``: external interfaces switch register
+- ``SWITCH_MDIO``: external MDIO bus controller (there is another one in SWITCH_CORE,
which is used for indirect PHY accesses)
-* SWITCH_INDIR_RW: 64-bits wide register helper block
-* SWITCH_INTRL2_0/1: Level-2 interrupt controllers
-* SWITCH_ACB: Admission control block
-* SWITCH_FCB: Fail-over control block
+- ``SWITCH_INDIR_RW``: 64-bits wide register helper block
+- ``SWITCH_INTRL2_0/1``: Level-2 interrupt controllers
+- ``SWITCH_ACB``: Admission control block
+- ``SWITCH_FCB``: Fail-over control block
Implementation details
======================
-The driver is located in drivers/net/dsa/bcm_sf2.c and is implemented as a DSA
-driver; see Documentation/networking/dsa/dsa.txt for details on the subsystem
+The driver is located in ``drivers/net/dsa/bcm_sf2.c`` and is implemented as a DSA
+driver; see ``Documentation/networking/dsa/dsa.rst`` for details on the subsystem
and what it provides.
The SF2 switch is configured to enable a Broadcom specific 4-bytes switch tag
which gets inserted by the switch for every packet forwarded to the CPU
interface, conversely, the CPU network interface should insert a similar tag for
packets entering the CPU port. The tag format is described in
-net/dsa/tag_brcm.c.
+``net/dsa/tag_brcm.c``.
Overall, the SF2 driver is a fairly regular DSA driver; there are a few
specifics covered below.
@@ -54,7 +55,7 @@ Device Tree probing
-------------------
The DSA platform device driver is probed using a specific compatible string
-provided in net/dsa/dsa.c. The reason for that is because the DSA subsystem gets
+provided in ``net/dsa/dsa.c``. The reason for that is because the DSA subsystem gets
registered as a platform device driver currently. DSA will provide the needed
device_node pointers which are then accessible by the switch driver setup
function to setup resources such as register ranges and interrupts. This
@@ -70,7 +71,7 @@ Broadcom switches connected to a SF2 require the use of the DSA slave MDIO bus
in order to properly configure them. By default, the SF2 pseudo-PHY address, and
an external switch pseudo-PHY address will both be snooping for incoming MDIO
transactions, since they are at the same address (30), resulting in some kind of
-"double" programming. Using DSA, and setting ds->phys_mii_mask accordingly, we
+"double" programming. Using DSA, and setting ``ds->phys_mii_mask`` accordingly, we
selectively divert reads and writes towards external Broadcom switches
pseudo-PHY addresses. Newer revisions of the SF2 hardware have introduced a
configurable pseudo-PHY address which circumvents the initial design limitation.
@@ -86,7 +87,7 @@ firmware gets reloaded. The SF2 driver relies on such events to properly set its
MoCA interface carrier state and properly report this to the networking stack.
The MoCA interfaces are supported using the PHY library's fixed PHY/emulated PHY
-device and the switch driver registers a fixed_link_update callback for such
+device and the switch driver registers a ``fixed_link_update`` callback for such
PHYs which reflects the link state obtained from the interrupt handler.
diff --git a/Documentation/networking/dsa/dsa.txt b/Documentation/networking/dsa/dsa.rst
index 43ef767bc440..ca87068b9ab9 100644
--- a/Documentation/networking/dsa/dsa.txt
+++ b/Documentation/networking/dsa/dsa.rst
@@ -1,10 +1,8 @@
-Distributed Switch Architecture
-===============================
-
-Introduction
+============
+Architecture
============
-This document describes the Distributed Switch Architecture (DSA) subsystem
+This document describes the **Distributed Switch Architecture (DSA)** subsystem
design principles, limitations, interactions with other subsystems, and how to
develop drivers for this subsystem as well as a TODO for developers interested
in joining the effort.
@@ -70,11 +68,11 @@ Switch tagging protocols
DSA currently supports 5 different tagging protocols, and a tag-less mode as
well. The different protocols are implemented in:
-net/dsa/tag_trailer.c: Marvell's 4 trailer tag mode (legacy)
-net/dsa/tag_dsa.c: Marvell's original DSA tag
-net/dsa/tag_edsa.c: Marvell's enhanced DSA tag
-net/dsa/tag_brcm.c: Broadcom's 4 bytes tag
-net/dsa/tag_qca.c: Qualcomm's 2 bytes tag
+- ``net/dsa/tag_trailer.c``: Marvell's 4 trailer tag mode (legacy)
+- ``net/dsa/tag_dsa.c``: Marvell's original DSA tag
+- ``net/dsa/tag_edsa.c``: Marvell's enhanced DSA tag
+- ``net/dsa/tag_brcm.c``: Broadcom's 4 bytes tag
+- ``net/dsa/tag_qca.c``: Qualcomm's 2 bytes tag
The exact format of the tag protocol is vendor specific, but in general, they
all contain something which:
@@ -89,7 +87,7 @@ Master network devices are regular, unmodified Linux network device drivers for
the CPU/management Ethernet interface. Such a driver might occasionally need to
know whether DSA is enabled (e.g.: to enable/disable specific offload features),
but the DSA subsystem has been proven to work with industry standard drivers:
-e1000e, mv643xx_eth etc. without having to introduce modifications to these
+``e1000e,`` ``mv643xx_eth`` etc. without having to introduce modifications to these
drivers. Such network devices are also often referred to as conduit network
devices since they act as a pipe between the host processor and the hardware
Ethernet switch.
@@ -100,40 +98,42 @@ Networking stack hooks
When a master netdev is used with DSA, a small hook is placed in in the
networking stack is in order to have the DSA subsystem process the Ethernet
switch specific tagging protocol. DSA accomplishes this by registering a
-specific (and fake) Ethernet type (later becoming skb->protocol) with the
-networking stack, this is also known as a ptype or packet_type. A typical
+specific (and fake) Ethernet type (later becoming ``skb->protocol``) with the
+networking stack, this is also known as a ``ptype`` or ``packet_type``. A typical
Ethernet Frame receive sequence looks like this:
Master network device (e.g.: e1000e):
-Receive interrupt fires:
-- receive function is invoked
-- basic packet processing is done: getting length, status etc.
-- packet is prepared to be processed by the Ethernet layer by calling
- eth_type_trans
+1. Receive interrupt fires:
+
+ - receive function is invoked
+ - basic packet processing is done: getting length, status etc.
+ - packet is prepared to be processed by the Ethernet layer by calling
+ ``eth_type_trans``
+
+2. net/ethernet/eth.c::
+
+ eth_type_trans(skb, dev)
+ if (dev->dsa_ptr != NULL)
+ -> skb->protocol = ETH_P_XDSA
-net/ethernet/eth.c:
+3. drivers/net/ethernet/\*::
-eth_type_trans(skb, dev)
- if (dev->dsa_ptr != NULL)
- -> skb->protocol = ETH_P_XDSA
+ netif_receive_skb(skb)
+ -> iterate over registered packet_type
+ -> invoke handler for ETH_P_XDSA, calls dsa_switch_rcv()
-drivers/net/ethernet/*:
+4. net/dsa/dsa.c::
-netif_receive_skb(skb)
- -> iterate over registered packet_type
- -> invoke handler for ETH_P_XDSA, calls dsa_switch_rcv()
+ -> dsa_switch_rcv()
+ -> invoke switch tag specific protocol handler in 'net/dsa/tag_*.c'
-net/dsa/dsa.c:
- -> dsa_switch_rcv()
- -> invoke switch tag specific protocol handler in
- net/dsa/tag_*.c
+5. net/dsa/tag_*.c:
-net/dsa/tag_*.c:
- -> inspect and strip switch tag protocol to determine originating port
- -> locate per-port network device
- -> invoke eth_type_trans() with the DSA slave network device
- -> invoked netif_receive_skb()
+ - inspect and strip switch tag protocol to determine originating port
+ - locate per-port network device
+ - invoke ``eth_type_trans()`` with the DSA slave network device
+ - invoked ``netif_receive_skb()``
Past this point, the DSA slave network devices get delivered regular Ethernet
frames that can be processed by the networking stack.
@@ -162,7 +162,7 @@ invoke a specific transmit routine which takes care of adding the relevant
switch tag in the Ethernet frames.
These frames are then queued for transmission using the master network device
-ndo_start_xmit() function, since they contain the appropriate switch tag, the
+``ndo_start_xmit()`` function, since they contain the appropriate switch tag, the
Ethernet switch will be able to process these incoming frames from the
management interface and delivers these frames to the physical switch port.
@@ -170,23 +170,25 @@ Graphical representation
------------------------
Summarized, this is basically how DSA looks like from a network device
-perspective:
-
-
- |---------------------------
- | CPU network device (eth0)|
- ----------------------------
- | <tag added by switch |
- | |
- | |
- | tag added by CPU> |
- |--------------------------------------------|
- | Switch driver |
- |--------------------------------------------|
- || || ||
- |-------| |-------| |-------|
- | sw0p0 | | sw0p1 | | sw0p2 |
- |-------| |-------| |-------|
+perspective::
+
+
+ |---------------------------
+ | CPU network device (eth0)|
+ ----------------------------
+ | <tag added by switch |
+ | |
+ | |
+ | tag added by CPU> |
+ |--------------------------------------------|
+ | Switch driver |
+ |--------------------------------------------|
+ || || ||
+ |-------| |-------| |-------|
+ | sw0p0 | | sw0p1 | | sw0p2 |
+ |-------| |-------| |-------|
+
+
Slave MDIO bus
--------------
@@ -207,31 +209,32 @@ PHYs, external PHYs, or even external switches.
Data structures
---------------
-DSA data structures are defined in include/net/dsa.h as well as
-net/dsa/dsa_priv.h.
+DSA data structures are defined in ``include/net/dsa.h`` as well as
+``net/dsa/dsa_priv.h``:
-dsa_chip_data: platform data configuration for a given switch device, this
-structure describes a switch device's parent device, its address, as well as
-various properties of its ports: names/labels, and finally a routing table
-indication (when cascading switches)
+- ``dsa_chip_data``: platform data configuration for a given switch device,
+ this structure describes a switch device's parent device, its address, as
+ well as various properties of its ports: names/labels, and finally a routing
+ table indication (when cascading switches)
-dsa_platform_data: platform device configuration data which can reference a
-collection of dsa_chip_data structure if multiples switches are cascaded, the
-master network device this switch tree is attached to needs to be referenced
+- ``dsa_platform_data``: platform device configuration data which can reference
+ a collection of dsa_chip_data structure if multiples switches are cascaded,
+ the master network device this switch tree is attached to needs to be
+ referenced
-dsa_switch_tree: structure assigned to the master network device under
-"dsa_ptr", this structure references a dsa_platform_data structure as well as
-the tagging protocol supported by the switch tree, and which receive/transmit
-function hooks should be invoked, information about the directly attached switch
-is also provided: CPU port. Finally, a collection of dsa_switch are referenced
-to address individual switches in the tree.
+- ``dsa_switch_tree``: structure assigned to the master network device under
+ ``dsa_ptr``, this structure references a dsa_platform_data structure as well as
+ the tagging protocol supported by the switch tree, and which receive/transmit
+ function hooks should be invoked, information about the directly attached
+ switch is also provided: CPU port. Finally, a collection of dsa_switch are
+ referenced to address individual switches in the tree.
-dsa_switch: structure describing a switch device in the tree, referencing a
-dsa_switch_tree as a backpointer, slave network devices, master network device,
-and a reference to the backing dsa_switch_ops
+- ``dsa_switch``: structure describing a switch device in the tree, referencing
+ a ``dsa_switch_tree`` as a backpointer, slave network devices, master network
+ device, and a reference to the backing``dsa_switch_ops``
-dsa_switch_ops: structure referencing function pointers, see below for a full
-description.
+- ``dsa_switch_ops``: structure referencing function pointers, see below for a
+ full description.
Design limitations
==================
@@ -240,7 +243,7 @@ Limits on the number of devices and ports
-----------------------------------------
DSA currently limits the number of maximum switches within a tree to 4
-(DSA_MAX_SWITCHES), and the number of ports per switch to 12 (DSA_MAX_PORTS).
+(``DSA_MAX_SWITCHES``), and the number of ports per switch to 12 (``DSA_MAX_PORTS``).
These limits could be extended to support larger configurations would this need
arise.
@@ -279,15 +282,15 @@ Interactions with other subsystems
DSA currently leverages the following subsystems:
-- MDIO/PHY library: drivers/net/phy/phy.c, mdio_bus.c
-- Switchdev: net/switchdev/*
+- MDIO/PHY library: ``drivers/net/phy/phy.c``, ``mdio_bus.c``
+- Switchdev:``net/switchdev/*``
- Device Tree for various of_* functions
MDIO/PHY library
----------------
Slave network devices exposed by DSA may or may not be interfacing with PHY
-devices (struct phy_device as defined in include/linux/phy.h), but the DSA
+devices (``struct phy_device`` as defined in ``include/linux/phy.h)``, but the DSA
subsystem deals with all possible combinations:
- internal PHY devices, built into the Ethernet switch hardware
@@ -296,16 +299,16 @@ subsystem deals with all possible combinations:
- special, non-autonegotiated or non MDIO-managed PHY devices: SFPs, MoCA; a.k.a
fixed PHYs
-The PHY configuration is done by the dsa_slave_phy_setup() function and the
+The PHY configuration is done by the ``dsa_slave_phy_setup()`` function and the
logic basically looks like this:
- if Device Tree is used, the PHY device is looked up using the standard
"phy-handle" property, if found, this PHY device is created and registered
- using of_phy_connect()
+ using ``of_phy_connect()``
- if Device Tree is used, and the PHY device is "fixed", that is, conforms to
the definition of a non-MDIO managed PHY as defined in
- Documentation/devicetree/bindings/net/fixed-link.txt, the PHY is registered
+ ``Documentation/devicetree/bindings/net/fixed-link.txt``, the PHY is registered
and connected transparently using the special fixed MDIO bus driver
- finally, if the PHY is built into the switch, as is very common with
@@ -331,8 +334,8 @@ Device Tree
-----------
DSA features a standardized binding which is documented in
-Documentation/devicetree/bindings/net/dsa/dsa.txt. PHY/MDIO library helper
-functions such as of_get_phy_mode(), of_phy_connect() are also used to query
+``Documentation/devicetree/bindings/net/dsa/dsa.txt``. PHY/MDIO library helper
+functions such as ``of_get_phy_mode()``, ``of_phy_connect()`` are also used to query
per-port PHY specific details: interface connection, MDIO bus location etc..
Driver development
@@ -341,8 +344,8 @@ Driver development
DSA switch drivers need to implement a dsa_switch_ops structure which will
contain the various members described below.
-register_switch_driver() registers this dsa_switch_ops in its internal list
-of drivers to probe for. unregister_switch_driver() does the exact opposite.
+``register_switch_driver()`` registers this dsa_switch_ops in its internal list
+of drivers to probe for. ``unregister_switch_driver()`` does the exact opposite.
Unless requested differently by setting the priv_size member accordingly, DSA
does not allocate any driver private context space.
@@ -350,17 +353,17 @@ does not allocate any driver private context space.
Switch configuration
--------------------
-- tag_protocol: this is to indicate what kind of tagging protocol is supported,
- should be a valid value from the dsa_tag_protocol enum
+- ``tag_protocol``: this is to indicate what kind of tagging protocol is supported,
+ should be a valid value from the ``dsa_tag_protocol`` enum
-- probe: probe routine which will be invoked by the DSA platform device upon
+- ``probe``: probe routine which will be invoked by the DSA platform device upon
registration to test for the presence/absence of a switch device. For MDIO
devices, it is recommended to issue a read towards internal registers using
the switch pseudo-PHY and return whether this is a supported device. For other
buses, return a non-NULL string
-- setup: setup function for the switch, this function is responsible for setting
- up the dsa_switch_ops private structure with all it needs: register maps,
+- ``setup``: setup function for the switch, this function is responsible for setting
+ up the ``dsa_switch_ops`` private structure with all it needs: register maps,
interrupts, mutexes, locks etc.. This function is also expected to properly
configure the switch to separate all network interfaces from each other, that
is, they should be isolated by the switch hardware itself, typically by creating
@@ -375,27 +378,27 @@ Switch configuration
PHY devices and link management
-------------------------------
-- get_phy_flags: Some switches are interfaced to various kinds of Ethernet PHYs,
+- ``get_phy_flags``: Some switches are interfaced to various kinds of Ethernet PHYs,
if the PHY library PHY driver needs to know about information it cannot obtain
on its own (e.g.: coming from switch memory mapped registers), this function
should return a 32-bits bitmask of "flags", that is private between the switch
- driver and the Ethernet PHY driver in drivers/net/phy/*.
+ driver and the Ethernet PHY driver in ``drivers/net/phy/\*``.
-- phy_read: Function invoked by the DSA slave MDIO bus when attempting to read
+- ``phy_read``: Function invoked by the DSA slave MDIO bus when attempting to read
the switch port MDIO registers. If unavailable, return 0xffff for each read.
For builtin switch Ethernet PHYs, this function should allow reading the link
status, auto-negotiation results, link partner pages etc..
-- phy_write: Function invoked by the DSA slave MDIO bus when attempting to write
+- ``phy_write``: Function invoked by the DSA slave MDIO bus when attempting to write
to the switch port MDIO registers. If unavailable return a negative error
code.
-- adjust_link: Function invoked by the PHY library when a slave network device
+- ``adjust_link``: Function invoked by the PHY library when a slave network device
is attached to a PHY device. This function is responsible for appropriately
configuring the switch port link parameters: speed, duplex, pause based on
- what the phy_device is providing.
+ what the ``phy_device`` is providing.
-- fixed_link_update: Function invoked by the PHY library, and specifically by
+- ``fixed_link_update``: Function invoked by the PHY library, and specifically by
the fixed PHY driver asking the switch driver for link parameters that could
not be auto-negotiated, or obtained by reading the PHY registers through MDIO.
This is particularly useful for specific kinds of hardware such as QSGMII,
@@ -405,87 +408,87 @@ PHY devices and link management
Ethtool operations
------------------
-- get_strings: ethtool function used to query the driver's strings, will
+- ``get_strings``: ethtool function used to query the driver's strings, will
typically return statistics strings, private flags strings etc.
-- get_ethtool_stats: ethtool function used to query per-port statistics and
+- ``get_ethtool_stats``: ethtool function used to query per-port statistics and
return their values. DSA overlays slave network devices general statistics:
RX/TX counters from the network device, with switch driver specific statistics
per port
-- get_sset_count: ethtool function used to query the number of statistics items
+- ``get_sset_count``: ethtool function used to query the number of statistics items
-- get_wol: ethtool function used to obtain Wake-on-LAN settings per-port, this
+- ``get_wol``: ethtool function used to obtain Wake-on-LAN settings per-port, this
function may, for certain implementations also query the master network device
Wake-on-LAN settings if this interface needs to participate in Wake-on-LAN
-- set_wol: ethtool function used to configure Wake-on-LAN settings per-port,
+- ``set_wol``: ethtool function used to configure Wake-on-LAN settings per-port,
direct counterpart to set_wol with similar restrictions
-- set_eee: ethtool function which is used to configure a switch port EEE (Green
+- ``set_eee``: ethtool function which is used to configure a switch port EEE (Green
Ethernet) settings, can optionally invoke the PHY library to enable EEE at the
PHY level if relevant. This function should enable EEE at the switch port MAC
controller and data-processing logic
-- get_eee: ethtool function which is used to query a switch port EEE settings,
+- ``get_eee``: ethtool function which is used to query a switch port EEE settings,
this function should return the EEE state of the switch port MAC controller
and data-processing logic as well as query the PHY for its currently configured
EEE settings
-- get_eeprom_len: ethtool function returning for a given switch the EEPROM
+- ``get_eeprom_len``: ethtool function returning for a given switch the EEPROM
length/size in bytes
-- get_eeprom: ethtool function returning for a given switch the EEPROM contents
+- ``get_eeprom``: ethtool function returning for a given switch the EEPROM contents
-- set_eeprom: ethtool function writing specified data to a given switch EEPROM
+- ``set_eeprom``: ethtool function writing specified data to a given switch EEPROM
-- get_regs_len: ethtool function returning the register length for a given
+- ``get_regs_len``: ethtool function returning the register length for a given
switch
-- get_regs: ethtool function returning the Ethernet switch internal register
+- ``get_regs``: ethtool function returning the Ethernet switch internal register
contents. This function might require user-land code in ethtool to
pretty-print register values and registers
Power management
----------------
-- suspend: function invoked by the DSA platform device when the system goes to
+- ``suspend``: function invoked by the DSA platform device when the system goes to
suspend, should quiesce all Ethernet switch activities, but keep ports
participating in Wake-on-LAN active as well as additional wake-up logic if
supported
-- resume: function invoked by the DSA platform device when the system resumes,
+- ``resume``: function invoked by the DSA platform device when the system resumes,
should resume all Ethernet switch activities and re-configure the switch to be
in a fully active state
-- port_enable: function invoked by the DSA slave network device ndo_open
+- ``port_enable``: function invoked by the DSA slave network device ndo_open
function when a port is administratively brought up, this function should be
fully enabling a given switch port. DSA takes care of marking the port with
- BR_STATE_BLOCKING if the port is a bridge member, or BR_STATE_FORWARDING if it
+ ``BR_STATE_BLOCKING`` if the port is a bridge member, or ``BR_STATE_FORWARDING`` if it
was not, and propagating these changes down to the hardware
-- port_disable: function invoked by the DSA slave network device ndo_close
+- ``port_disable``: function invoked by the DSA slave network device ndo_close
function when a port is administratively brought down, this function should be
fully disabling a given switch port. DSA takes care of marking the port with
- BR_STATE_DISABLED and propagating changes to the hardware if this port is
+ ``BR_STATE_DISABLED`` and propagating changes to the hardware if this port is
disabled while being a bridge member
Bridge layer
------------
-- port_bridge_join: bridge layer function invoked when a given switch port is
+- ``port_bridge_join``: bridge layer function invoked when a given switch port is
added to a bridge, this function should be doing the necessary at the switch
level to permit the joining port from being added to the relevant logical
domain for it to ingress/egress traffic with other members of the bridge.
-- port_bridge_leave: bridge layer function invoked when a given switch port is
+- ``port_bridge_leave``: bridge layer function invoked when a given switch port is
removed from a bridge, this function should be doing the necessary at the
switch level to deny the leaving port from ingress/egress traffic from the
remaining bridge members. When the port leaves the bridge, it should be aged
out at the switch hardware for the switch to (re) learn MAC addresses behind
this port.
-- port_stp_state_set: bridge layer function invoked when a given switch port STP
+- ``port_stp_state_set``: bridge layer function invoked when a given switch port STP
state is computed by the bridge layer and should be propagated to switch
hardware to forward/block/learn traffic. The switch driver is responsible for
computing a STP state change based on current and asked parameters and perform
@@ -494,7 +497,7 @@ Bridge layer
Bridge VLAN filtering
---------------------
-- port_vlan_filtering: bridge layer function invoked when the bridge gets
+- ``port_vlan_filtering``: bridge layer function invoked when the bridge gets
configured for turning on or off VLAN filtering. If nothing specific needs to
be done at the hardware level, this callback does not need to be implemented.
When VLAN filtering is turned on, the hardware must be programmed with
@@ -504,61 +507,61 @@ Bridge VLAN filtering
accept any 802.1Q frames irrespective of their VLAN ID, and untagged frames are
allowed.
-- port_vlan_prepare: bridge layer function invoked when the bridge prepares the
+- ``port_vlan_prepare``: bridge layer function invoked when the bridge prepares the
configuration of a VLAN on the given port. If the operation is not supported
- by the hardware, this function should return -EOPNOTSUPP to inform the bridge
+ by the hardware, this function should return ``-EOPNOTSUPP`` to inform the bridge
code to fallback to a software implementation. No hardware setup must be done
in this function. See port_vlan_add for this and details.
-- port_vlan_add: bridge layer function invoked when a VLAN is configured
+- ``port_vlan_add``: bridge layer function invoked when a VLAN is configured
(tagged or untagged) for the given switch port
-- port_vlan_del: bridge layer function invoked when a VLAN is removed from the
+- ``port_vlan_del``: bridge layer function invoked when a VLAN is removed from the
given switch port
-- port_vlan_dump: bridge layer function invoked with a switchdev callback
+- ``port_vlan_dump``: bridge layer function invoked with a switchdev callback
function that the driver has to call for each VLAN the given port is a member
of. A switchdev object is used to carry the VID and bridge flags.
-- port_fdb_add: bridge layer function invoked when the bridge wants to install a
+- ``port_fdb_add``: bridge layer function invoked when the bridge wants to install a
Forwarding Database entry, the switch hardware should be programmed with the
specified address in the specified VLAN Id in the forwarding database
associated with this VLAN ID. If the operation is not supported, this
- function should return -EOPNOTSUPP to inform the bridge code to fallback to
+ function should return ``-EOPNOTSUPP`` to inform the bridge code to fallback to
a software implementation.
-Note: VLAN ID 0 corresponds to the port private database, which, in the context
-of DSA, would be the its port-based VLAN, used by the associated bridge device.
+.. note:: VLAN ID 0 corresponds to the port private database, which, in the context
+ of DSA, would be the its port-based VLAN, used by the associated bridge device.
-- port_fdb_del: bridge layer function invoked when the bridge wants to remove a
+- ``port_fdb_del``: bridge layer function invoked when the bridge wants to remove a
Forwarding Database entry, the switch hardware should be programmed to delete
the specified MAC address from the specified VLAN ID if it was mapped into
this port forwarding database
-- port_fdb_dump: bridge layer function invoked with a switchdev callback
+- ``port_fdb_dump``: bridge layer function invoked with a switchdev callback
function that the driver has to call for each MAC address known to be behind
the given port. A switchdev object is used to carry the VID and FDB info.
-- port_mdb_prepare: bridge layer function invoked when the bridge prepares the
+- ``port_mdb_prepare``: bridge layer function invoked when the bridge prepares the
installation of a multicast database entry. If the operation is not supported,
- this function should return -EOPNOTSUPP to inform the bridge code to fallback
+ this function should return ``-EOPNOTSUPP`` to inform the bridge code to fallback
to a software implementation. No hardware setup must be done in this function.
- See port_fdb_add for this and details.
+ See ``port_fdb_add`` for this and details.
-- port_mdb_add: bridge layer function invoked when the bridge wants to install
+- ``port_mdb_add``: bridge layer function invoked when the bridge wants to install
a multicast database entry, the switch hardware should be programmed with the
specified address in the specified VLAN ID in the forwarding database
associated with this VLAN ID.
-Note: VLAN ID 0 corresponds to the port private database, which, in the context
-of DSA, would be the its port-based VLAN, used by the associated bridge device.
+.. note:: VLAN ID 0 corresponds to the port private database, which, in the context
+ of DSA, would be the its port-based VLAN, used by the associated bridge device.
-- port_mdb_del: bridge layer function invoked when the bridge wants to remove a
+- ``port_mdb_del``: bridge layer function invoked when the bridge wants to remove a
multicast database entry, the switch hardware should be programmed to delete
the specified MAC address from the specified VLAN ID if it was mapped into
this port forwarding database.
-- port_mdb_dump: bridge layer function invoked with a switchdev callback
+- ``port_mdb_dump``: bridge layer function invoked with a switchdev callback
function that the driver has to call for each MAC address known to be behind
the given port. A switchdev object is used to carry the VID and MDB info.
@@ -577,7 +580,7 @@ two subsystems and get the best of both worlds.
Other hanging fruits
--------------------
-- making the number of ports fully dynamic and not dependent on DSA_MAX_PORTS
+- making the number of ports fully dynamic and not dependent on ``DSA_MAX_PORTS``
- allowing more than one CPU/management interface:
http://comments.gmane.org/gmane.linux.network/365657
- porting more drivers from other vendors:
diff --git a/Documentation/networking/dsa/index.rst b/Documentation/networking/dsa/index.rst
new file mode 100644
index 000000000000..0e5b7a9be406
--- /dev/null
+++ b/Documentation/networking/dsa/index.rst
@@ -0,0 +1,11 @@
+===============================
+Distributed Switch Architecture
+===============================
+
+.. toctree::
+ :maxdepth: 1
+
+ dsa
+ bcm_sf2
+ lan9303
+ sja1105
diff --git a/Documentation/networking/dsa/lan9303.txt b/Documentation/networking/dsa/lan9303.rst
index 144b02b95207..e3c820db28ad 100644
--- a/Documentation/networking/dsa/lan9303.txt
+++ b/Documentation/networking/dsa/lan9303.rst
@@ -1,3 +1,4 @@
+==============================
LAN9303 Ethernet switch driver
==============================
@@ -9,10 +10,9 @@ host master network interface (e.g. fixed link).
Driver details
==============
-The driver is implemented as a DSA driver, see
-Documentation/networking/dsa/dsa.txt.
+The driver is implemented as a DSA driver, see ``Documentation/networking/dsa/dsa.rst``.
-See Documentation/devicetree/bindings/net/dsa/lan9303.txt for device tree
+See ``Documentation/devicetree/bindings/net/dsa/lan9303.txt`` for device tree
binding.
The LAN9303 can be managed both via MDIO and I2C, both supported by this driver.
diff --git a/Documentation/networking/dsa/sja1105.rst b/Documentation/networking/dsa/sja1105.rst
new file mode 100644
index 000000000000..ea7bac438cfd
--- /dev/null
+++ b/Documentation/networking/dsa/sja1105.rst
@@ -0,0 +1,220 @@
+=========================
+NXP SJA1105 switch driver
+=========================
+
+Overview
+========
+
+The NXP SJA1105 is a family of 6 devices:
+
+- SJA1105E: First generation, no TTEthernet
+- SJA1105T: First generation, TTEthernet
+- SJA1105P: Second generation, no TTEthernet, no SGMII
+- SJA1105Q: Second generation, TTEthernet, no SGMII
+- SJA1105R: Second generation, no TTEthernet, SGMII
+- SJA1105S: Second generation, TTEthernet, SGMII
+
+These are SPI-managed automotive switches, with all ports being gigabit
+capable, and supporting MII/RMII/RGMII and optionally SGMII on one port.
+
+Being automotive parts, their configuration interface is geared towards
+set-and-forget use, with minimal dynamic interaction at runtime. They
+require a static configuration to be composed by software and packed
+with CRC and table headers, and sent over SPI.
+
+The static configuration is composed of several configuration tables. Each
+table takes a number of entries. Some configuration tables can be (partially)
+reconfigured at runtime, some not. Some tables are mandatory, some not:
+
+============================= ================== =============================
+Table Mandatory Reconfigurable
+============================= ================== =============================
+Schedule no no
+Schedule entry points if Scheduling no
+VL Lookup no no
+VL Policing if VL Lookup no
+VL Forwarding if VL Lookup no
+L2 Lookup no no
+L2 Policing yes no
+VLAN Lookup yes yes
+L2 Forwarding yes partially (fully on P/Q/R/S)
+MAC Config yes partially (fully on P/Q/R/S)
+Schedule Params if Scheduling no
+Schedule Entry Points Params if Scheduling no
+VL Forwarding Params if VL Forwarding no
+L2 Lookup Params no partially (fully on P/Q/R/S)
+L2 Forwarding Params yes no
+Clock Sync Params no no
+AVB Params no no
+General Params yes partially
+Retagging no yes
+xMII Params yes no
+SGMII no yes
+============================= ================== =============================
+
+
+Also the configuration is write-only (software cannot read it back from the
+switch except for very few exceptions).
+
+The driver creates a static configuration at probe time, and keeps it at
+all times in memory, as a shadow for the hardware state. When required to
+change a hardware setting, the static configuration is also updated.
+If that changed setting can be transmitted to the switch through the dynamic
+reconfiguration interface, it is; otherwise the switch is reset and
+reprogrammed with the updated static configuration.
+
+Traffic support
+===============
+
+The switches do not support switch tagging in hardware. But they do support
+customizing the TPID by which VLAN traffic is identified as such. The switch
+driver is leveraging ``CONFIG_NET_DSA_TAG_8021Q`` by requesting that special
+VLANs (with a custom TPID of ``ETH_P_EDSA`` instead of ``ETH_P_8021Q``) are
+installed on its ports when not in ``vlan_filtering`` mode. This does not
+interfere with the reception and transmission of real 802.1Q-tagged traffic,
+because the switch does no longer parse those packets as VLAN after the TPID
+change.
+The TPID is restored when ``vlan_filtering`` is requested by the user through
+the bridge layer, and general IP termination becomes no longer possible through
+the switch netdevices in this mode.
+
+The switches have two programmable filters for link-local destination MACs.
+These are used to trap BPDUs and PTP traffic to the master netdevice, and are
+further used to support STP and 1588 ordinary clock/boundary clock
+functionality.
+
+The following traffic modes are supported over the switch netdevices:
+
++--------------------+------------+------------------+------------------+
+| | Standalone | Bridged with | Bridged with |
+| | ports | vlan_filtering 0 | vlan_filtering 1 |
++====================+============+==================+==================+
+| Regular traffic | Yes | Yes | No (use master) |
++--------------------+------------+------------------+------------------+
+| Management traffic | Yes | Yes | Yes |
+| (BPDU, PTP) | | | |
++--------------------+------------+------------------+------------------+
+
+Switching features
+==================
+
+The driver supports the configuration of L2 forwarding rules in hardware for
+port bridging. The forwarding, broadcast and flooding domain between ports can
+be restricted through two methods: either at the L2 forwarding level (isolate
+one bridge's ports from another's) or at the VLAN port membership level
+(isolate ports within the same bridge). The final forwarding decision taken by
+the hardware is a logical AND of these two sets of rules.
+
+The hardware tags all traffic internally with a port-based VLAN (pvid), or it
+decodes the VLAN information from the 802.1Q tag. Advanced VLAN classification
+is not possible. Once attributed a VLAN tag, frames are checked against the
+port's membership rules and dropped at ingress if they don't match any VLAN.
+This behavior is available when switch ports are enslaved to a bridge with
+``vlan_filtering 1``.
+
+Normally the hardware is not configurable with respect to VLAN awareness, but
+by changing what TPID the switch searches 802.1Q tags for, the semantics of a
+bridge with ``vlan_filtering 0`` can be kept (accept all traffic, tagged or
+untagged), and therefore this mode is also supported.
+
+Segregating the switch ports in multiple bridges is supported (e.g. 2 + 2), but
+all bridges should have the same level of VLAN awareness (either both have
+``vlan_filtering`` 0, or both 1). Also an inevitable limitation of the fact
+that VLAN awareness is global at the switch level is that once a bridge with
+``vlan_filtering`` enslaves at least one switch port, the other un-bridged
+ports are no longer available for standalone traffic termination.
+
+Topology and loop detection through STP is supported.
+
+L2 FDB manipulation (add/delete/dump) is currently possible for the first
+generation devices. Aging time of FDB entries, as well as enabling fully static
+management (no address learning and no flooding of unknown traffic) is not yet
+configurable in the driver.
+
+A special comment about bridging with other netdevices (illustrated with an
+example):
+
+A board has eth0, eth1, swp0@eth1, swp1@eth1, swp2@eth1, swp3@eth1.
+The switch ports (swp0-3) are under br0.
+It is desired that eth0 is turned into another switched port that communicates
+with swp0-3.
+
+If br0 has vlan_filtering 0, then eth0 can simply be added to br0 with the
+intended results.
+If br0 has vlan_filtering 1, then a new br1 interface needs to be created that
+enslaves eth0 and eth1 (the DSA master of the switch ports). This is because in
+this mode, the switch ports beneath br0 are not capable of regular traffic, and
+are only used as a conduit for switchdev operations.
+
+Device Tree bindings and board design
+=====================================
+
+This section references ``Documentation/devicetree/bindings/net/dsa/sja1105.txt``
+and aims to showcase some potential switch caveats.
+
+RMII PHY role and out-of-band signaling
+---------------------------------------
+
+In the RMII spec, the 50 MHz clock signals are either driven by the MAC or by
+an external oscillator (but not by the PHY).
+But the spec is rather loose and devices go outside it in several ways.
+Some PHYs go against the spec and may provide an output pin where they source
+the 50 MHz clock themselves, in an attempt to be helpful.
+On the other hand, the SJA1105 is only binary configurable - when in the RMII
+MAC role it will also attempt to drive the clock signal. To prevent this from
+happening it must be put in RMII PHY role.
+But doing so has some unintended consequences.
+In the RMII spec, the PHY can transmit extra out-of-band signals via RXD[1:0].
+These are practically some extra code words (/J/ and /K/) sent prior to the
+preamble of each frame. The MAC does not have this out-of-band signaling
+mechanism defined by the RMII spec.
+So when the SJA1105 port is put in PHY role to avoid having 2 drivers on the
+clock signal, inevitably an RMII PHY-to-PHY connection is created. The SJA1105
+emulates a PHY interface fully and generates the /J/ and /K/ symbols prior to
+frame preambles, which the real PHY is not expected to understand. So the PHY
+simply encodes the extra symbols received from the SJA1105-as-PHY onto the
+100Base-Tx wire.
+On the other side of the wire, some link partners might discard these extra
+symbols, while others might choke on them and discard the entire Ethernet
+frames that follow along. This looks like packet loss with some link partners
+but not with others.
+The take-away is that in RMII mode, the SJA1105 must be let to drive the
+reference clock if connected to a PHY.
+
+RGMII fixed-link and internal delays
+------------------------------------
+
+As mentioned in the bindings document, the second generation of devices has
+tunable delay lines as part of the MAC, which can be used to establish the
+correct RGMII timing budget.
+When powered up, these can shift the Rx and Tx clocks with a phase difference
+between 73.8 and 101.7 degrees.
+The catch is that the delay lines need to lock onto a clock signal with a
+stable frequency. This means that there must be at least 2 microseconds of
+silence between the clock at the old vs at the new frequency. Otherwise the
+lock is lost and the delay lines must be reset (powered down and back up).
+In RGMII the clock frequency changes with link speed (125 MHz at 1000 Mbps, 25
+MHz at 100 Mbps and 2.5 MHz at 10 Mbps), and link speed might change during the
+AN process.
+In the situation where the switch port is connected through an RGMII fixed-link
+to a link partner whose link state life cycle is outside the control of Linux
+(such as a different SoC), then the delay lines would remain unlocked (and
+inactive) until there is manual intervention (ifdown/ifup on the switch port).
+The take-away is that in RGMII mode, the switch's internal delays are only
+reliable if the link partner never changes link speeds, or if it does, it does
+so in a way that is coordinated with the switch port (practically, both ends of
+the fixed-link are under control of the same Linux system).
+As to why would a fixed-link interface ever change link speeds: there are
+Ethernet controllers out there which come out of reset in 100 Mbps mode, and
+their driver inevitably needs to change the speed and clock frequency if it's
+required to work at gigabit.
+
+MDIO bus and PHY management
+---------------------------
+
+The SJA1105 does not have an MDIO bus and does not perform in-band AN either.
+Therefore there is no link state notification coming from the switch device.
+A board would need to hook up the PHYs connected to the switch to any other
+MDIO bus available to Linux within the system (e.g. to the DSA master's MDIO
+bus). Link state management then works by the driver manually keeping in sync
+(over SPI commands) the MAC link speed with the settings negotiated by the PHY.
diff --git a/Documentation/networking/index.rst b/Documentation/networking/index.rst
index 984e68f9e026..f390fe3cfdfb 100644
--- a/Documentation/networking/index.rst
+++ b/Documentation/networking/index.rst
@@ -9,7 +9,6 @@ Contents:
netdev-FAQ
af_xdp
batman-adv
- bpf_flow_dissector
can
can_ucan_protocol
device_drivers/freescale/dpaa2/index
@@ -25,6 +24,7 @@ Contents:
device_drivers/intel/i40e
device_drivers/intel/iavf
device_drivers/intel/ice
+ dsa/index
devlink-info-versions
ieee802154
kapi
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index c4ac35234f05..725b8bea58a7 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -81,6 +81,11 @@ fib_multipath_hash_policy - INTEGER
0 - Layer 3
1 - Layer 4
+fib_sync_mem - UNSIGNED INTEGER
+ Amount of dirty memory from fib entries that can be backlogged before
+ synchronize_rcu is forced.
+ Default: 512kB Minimum: 64kB Maximum: 64MB
+
ip_forward_update_priority - INTEGER
Whether to update SKB priority from "TOS" field in IPv4 header after it
is forwarded. The new SKB priority is mapped from TOS field value
@@ -1910,16 +1915,41 @@ enhanced_dad - BOOLEAN
icmp/*:
ratelimit - INTEGER
- Limit the maximal rates for sending ICMPv6 packets.
+ Limit the maximal rates for sending ICMPv6 messages.
0 to disable any limiting,
otherwise the minimal space between responses in milliseconds.
Default: 1000
+ratemask - list of comma separated ranges
+ For ICMPv6 message types matching the ranges in the ratemask, limit
+ the sending of the message according to ratelimit parameter.
+
+ The format used for both input and output is a comma separated
+ list of ranges (e.g. "0-127,129" for ICMPv6 message type 0 to 127 and
+ 129). Writing to the file will clear all previous ranges of ICMPv6
+ message types and update the current list with the input.
+
+ Refer to: https://www.iana.org/assignments/icmpv6-parameters/icmpv6-parameters.xhtml
+ for numerical values of ICMPv6 message types, e.g. echo request is 128
+ and echo reply is 129.
+
+ Default: 0-1,3-127 (rate limit ICMPv6 errors except Packet Too Big)
+
echo_ignore_all - BOOLEAN
If set non-zero, then the kernel will ignore all ICMP ECHO
requests sent to it over the IPv6 protocol.
Default: 0
+echo_ignore_multicast - BOOLEAN
+ If set non-zero, then the kernel will ignore all ICMP ECHO
+ requests sent to it over the IPv6 protocol via multicast.
+ Default: 0
+
+echo_ignore_anycast - BOOLEAN
+ If set non-zero, then the kernel will ignore all ICMP ECHO
+ requests sent to it over the IPv6 protocol destined to anycast address.
+ Default: 0
+
xfrm6_gc_thresh - INTEGER
(Obsolete since linux-4.14)
The threshold at which we will start garbage collecting for IPv6
diff --git a/Documentation/packing.txt b/Documentation/packing.txt
new file mode 100644
index 000000000000..f830c98645f1
--- /dev/null
+++ b/Documentation/packing.txt
@@ -0,0 +1,149 @@
+================================================
+Generic bitfield packing and unpacking functions
+================================================
+
+Problem statement
+-----------------
+
+When working with hardware, one has to choose between several approaches of
+interfacing with it.
+One can memory-map a pointer to a carefully crafted struct over the hardware
+device's memory region, and access its fields as struct members (potentially
+declared as bitfields). But writing code this way would make it less portable,
+due to potential endianness mismatches between the CPU and the hardware device.
+Additionally, one has to pay close attention when translating register
+definitions from the hardware documentation into bit field indices for the
+structs. Also, some hardware (typically networking equipment) tends to group
+its register fields in ways that violate any reasonable word boundaries
+(sometimes even 64 bit ones). This creates the inconvenience of having to
+define "high" and "low" portions of register fields within the struct.
+A more robust alternative to struct field definitions would be to extract the
+required fields by shifting the appropriate number of bits. But this would
+still not protect from endianness mismatches, except if all memory accesses
+were performed byte-by-byte. Also the code can easily get cluttered, and the
+high-level idea might get lost among the many bit shifts required.
+Many drivers take the bit-shifting approach and then attempt to reduce the
+clutter with tailored macros, but more often than not these macros take
+shortcuts that still prevent the code from being truly portable.
+
+The solution
+------------
+
+This API deals with 2 basic operations:
+ - Packing a CPU-usable number into a memory buffer (with hardware
+ constraints/quirks)
+ - Unpacking a memory buffer (which has hardware constraints/quirks)
+ into a CPU-usable number.
+
+The API offers an abstraction over said hardware constraints and quirks,
+over CPU endianness and therefore between possible mismatches between
+the two.
+
+The basic unit of these API functions is the u64. From the CPU's
+perspective, bit 63 always means bit offset 7 of byte 7, albeit only
+logically. The question is: where do we lay this bit out in memory?
+
+The following examples cover the memory layout of a packed u64 field.
+The byte offsets in the packed buffer are always implicitly 0, 1, ... 7.
+What the examples show is where the logical bytes and bits sit.
+
+1. Normally (no quirks), we would do it like this:
+
+63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
+7 6 5 4
+31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
+3 2 1 0
+
+That is, the MSByte (7) of the CPU-usable u64 sits at memory offset 0, and the
+LSByte (0) of the u64 sits at memory offset 7.
+This corresponds to what most folks would regard to as "big endian", where
+bit i corresponds to the number 2^i. This is also referred to in the code
+comments as "logical" notation.
+
+
+2. If QUIRK_MSB_ON_THE_RIGHT is set, we do it like this:
+
+56 57 58 59 60 61 62 63 48 49 50 51 52 53 54 55 40 41 42 43 44 45 46 47 32 33 34 35 36 37 38 39
+7 6 5 4
+24 25 26 27 28 29 30 31 16 17 18 19 20 21 22 23 8 9 10 11 12 13 14 15 0 1 2 3 4 5 6 7
+3 2 1 0
+
+That is, QUIRK_MSB_ON_THE_RIGHT does not affect byte positioning, but
+inverts bit offsets inside a byte.
+
+
+3. If QUIRK_LITTLE_ENDIAN is set, we do it like this:
+
+39 38 37 36 35 34 33 32 47 46 45 44 43 42 41 40 55 54 53 52 51 50 49 48 63 62 61 60 59 58 57 56
+4 5 6 7
+7 6 5 4 3 2 1 0 15 14 13 12 11 10 9 8 23 22 21 20 19 18 17 16 31 30 29 28 27 26 25 24
+0 1 2 3
+
+Therefore, QUIRK_LITTLE_ENDIAN means that inside the memory region, every
+byte from each 4-byte word is placed at its mirrored position compared to
+the boundary of that word.
+
+4. If QUIRK_MSB_ON_THE_RIGHT and QUIRK_LITTLE_ENDIAN are both set, we do it
+ like this:
+
+32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
+4 5 6 7
+0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
+0 1 2 3
+
+
+5. If just QUIRK_LSW32_IS_FIRST is set, we do it like this:
+
+31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
+3 2 1 0
+63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
+7 6 5 4
+
+In this case the 8 byte memory region is interpreted as follows: first
+4 bytes correspond to the least significant 4-byte word, next 4 bytes to
+the more significant 4-byte word.
+
+
+6. If QUIRK_LSW32_IS_FIRST and QUIRK_MSB_ON_THE_RIGHT are set, we do it like
+ this:
+
+24 25 26 27 28 29 30 31 16 17 18 19 20 21 22 23 8 9 10 11 12 13 14 15 0 1 2 3 4 5 6 7
+3 2 1 0
+56 57 58 59 60 61 62 63 48 49 50 51 52 53 54 55 40 41 42 43 44 45 46 47 32 33 34 35 36 37 38 39
+7 6 5 4
+
+
+7. If QUIRK_LSW32_IS_FIRST and QUIRK_LITTLE_ENDIAN are set, it looks like
+ this:
+
+7 6 5 4 3 2 1 0 15 14 13 12 11 10 9 8 23 22 21 20 19 18 17 16 31 30 29 28 27 26 25 24
+0 1 2 3
+39 38 37 36 35 34 33 32 47 46 45 44 43 42 41 40 55 54 53 52 51 50 49 48 63 62 61 60 59 58 57 56
+4 5 6 7
+
+
+8. If QUIRK_LSW32_IS_FIRST, QUIRK_LITTLE_ENDIAN and QUIRK_MSB_ON_THE_RIGHT
+ are set, it looks like this:
+
+0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
+0 1 2 3
+32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
+4 5 6 7
+
+
+We always think of our offsets as if there were no quirk, and we translate
+them afterwards, before accessing the memory region.
+
+Intended use
+------------
+
+Drivers that opt to use this API first need to identify which of the above 3
+quirk combinations (for a total of 8) match what the hardware documentation
+describes. Then they should wrap the packing() function, creating a new
+xxx_packing() that calls it using the proper QUIRK_* one-hot bits set.
+
+The packing() function returns an int-encoded error code, which protects the
+programmer against incorrect API use. The errors are not expected to occur
+durring runtime, therefore it is reasonable for xxx_packing() to return void
+and simply swallow those errors. Optionally it can dump stack or print the
+error description.
diff --git a/MAINTAINERS b/MAINTAINERS
index 235fa2042eb1..920a0a1545b7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2796,10 +2796,13 @@ M: Simon Wunderlich <sw@simonwunderlich.de>
M: Antonio Quartulli <a@unstable.cc>
L: b.a.t.m.a.n@lists.open-mesh.org (moderated for non-subscribers)
W: https://www.open-mesh.org/
+B: https://www.open-mesh.org/projects/batman-adv/issues
+C: irc://chat.freenode.net/batman
Q: https://patchwork.open-mesh.org/project/batman/list/
+T: git https://git.open-mesh.org/linux-merge.git
S: Maintained
-F: Documentation/ABI/testing/sysfs-class-net-batman-adv
-F: Documentation/ABI/testing/sysfs-class-net-mesh
+F: Documentation/ABI/obsolete/sysfs-class-net-batman-adv
+F: Documentation/ABI/obsolete/sysfs-class-net-mesh
F: Documentation/networking/batman-adv.rst
F: include/uapi/linux/batadv_packet.h
F: include/uapi/linux/batman_adv.h
@@ -9814,6 +9817,8 @@ F: Documentation/devicetree/bindings/mmc/mtk-sd.txt
MEDIATEK MT76 WIRELESS LAN DRIVER
M: Felix Fietkau <nbd@nbd.name>
M: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+R: Ryder Lee <ryder.lee@mediatek.com>
+R: Roy Luo <royluo@google.com>
L: linux-wireless@vger.kernel.org
S: Maintained
F: drivers/net/wireless/mediatek/mt76/
@@ -9912,15 +9917,6 @@ F: drivers/net/ethernet/mellanox/mlx5/core/accel/*
F: drivers/net/ethernet/mellanox/mlx5/core/fpga/*
F: include/linux/mlx5/mlx5_ifc_fpga.h
-MELLANOX ETHERNET INNOVA IPSEC DRIVER
-R: Boris Pismenny <borisp@mellanox.com>
-L: netdev@vger.kernel.org
-S: Supported
-W: http://www.mellanox.com
-Q: http://patchwork.ozlabs.org/project/netdev/list/
-F: drivers/net/ethernet/mellanox/mlx5/core/en_ipsec/*
-F: drivers/net/ethernet/mellanox/mlx5/core/ipsec*
-
MELLANOX ETHERNET SWITCH DRIVERS
M: Jiri Pirko <jiri@mellanox.com>
M: Ido Schimmel <idosch@mellanox.com>
@@ -10783,6 +10779,7 @@ L: linux-block@vger.kernel.org
L: nbd@other.debian.org
F: Documentation/blockdev/nbd.txt
F: drivers/block/nbd.c
+F: include/trace/events/nbd.h
F: include/uapi/linux/nbd.h
NETWORK DROP MONITOR
@@ -11170,6 +11167,12 @@ S: Maintained
F: Documentation/devicetree/bindings/sound/sgtl5000.txt
F: sound/soc/codecs/sgtl5000*
+NXP SJA1105 ETHERNET SWITCH DRIVER
+M: Vladimir Oltean <olteanv@gmail.com>
+L: linux-kernel@vger.kernel.org
+S: Maintained
+F: drivers/net/dsa/sja1105
+
NXP TDA998X DRM DRIVER
M: Russell King <linux@armlinux.org.uk>
S: Maintained
@@ -11723,6 +11726,14 @@ L: linux-i2c@vger.kernel.org
S: Orphan
F: drivers/i2c/busses/i2c-pasemi.c
+PACKING
+M: Vladimir Oltean <olteanv@gmail.com>
+L: netdev@vger.kernel.org
+S: Supported
+F: lib/packing.c
+F: include/linux/packing.h
+F: Documentation/packing.txt
+
PADATA PARALLEL EXECUTION MECHANISM
M: Steffen Klassert <steffen.klassert@secunet.com>
L: linux-crypto@vger.kernel.org
@@ -13449,6 +13460,12 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.g
S: Maintained
F: drivers/net/wireless/realtek/rtlwifi/
+REALTEK WIRELESS DRIVER (rtw88)
+M: Yan-Hsuan Chuang <yhchuang@realtek.com>
+L: linux-wireless@vger.kernel.org
+S: Maintained
+F: drivers/net/wireless/realtek/rtw88/
+
RTL8XXXU WIRELESS DRIVER (rtl8xxxu)
M: Jes Sorensen <Jes.Sorensen@gmail.com>
L: linux-wireless@vger.kernel.org
diff --git a/Makefile b/Makefile
index cd8b71bfba76..bcf2e7628fe5 100644
--- a/Makefile
+++ b/Makefile
@@ -401,6 +401,7 @@ NM = $(CROSS_COMPILE)nm
STRIP = $(CROSS_COMPILE)strip
OBJCOPY = $(CROSS_COMPILE)objcopy
OBJDUMP = $(CROSS_COMPILE)objdump
+PAHOLE = pahole
LEX = flex
YACC = bison
AWK = awk
@@ -455,7 +456,7 @@ KBUILD_LDFLAGS :=
GCC_PLUGINS_CFLAGS :=
export ARCH SRCARCH CONFIG_SHELL HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE AS LD CC
-export CPP AR NM STRIP OBJCOPY OBJDUMP KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS
+export CPP AR NM STRIP OBJCOPY OBJDUMP PAHOLE KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS
export MAKE LEX YACC AWK INSTALLKERNEL PERL PYTHON PYTHON2 PYTHON3 UTS_MACHINE
export HOSTCXX KBUILD_HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS
diff --git a/arch/alpha/include/uapi/asm/sockios.h b/arch/alpha/include/uapi/asm/sockios.h
index ba287e4b01bf..af92bc27c3be 100644
--- a/arch/alpha/include/uapi/asm/sockios.h
+++ b/arch/alpha/include/uapi/asm/sockios.h
@@ -11,7 +11,7 @@
#define SIOCSPGRP _IOW('s', 8, pid_t)
#define SIOCGPGRP _IOR('s', 9, pid_t)
-#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */
-#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */
+#define SIOCGSTAMP_OLD 0x8906 /* Get stamp (timeval) */
+#define SIOCGSTAMPNS_OLD 0x8907 /* Get stamp (timespec) */
#endif /* _ASM_ALPHA_SOCKIOS_H */
diff --git a/arch/arm/mach-mvebu/kirkwood.c b/arch/arm/mach-mvebu/kirkwood.c
index 0aa88105d46e..9b5f4d665374 100644
--- a/arch/arm/mach-mvebu/kirkwood.c
+++ b/arch/arm/mach-mvebu/kirkwood.c
@@ -92,7 +92,8 @@ static void __init kirkwood_dt_eth_fixup(void)
continue;
/* skip disabled nodes or nodes with valid MAC address*/
- if (!of_device_is_available(pnp) || of_get_mac_address(np))
+ if (!of_device_is_available(pnp) ||
+ !IS_ERR(of_get_mac_address(np)))
goto eth_fixup_skip;
clk = of_clk_get(pnp, 0);
diff --git a/arch/arm64/include/asm/insn.h b/arch/arm64/include/asm/insn.h
index 9c01f04db64d..ec894de0ed4e 100644
--- a/arch/arm64/include/asm/insn.h
+++ b/arch/arm64/include/asm/insn.h
@@ -277,6 +277,7 @@ __AARCH64_INSN_FUNCS(adrp, 0x9F000000, 0x90000000)
__AARCH64_INSN_FUNCS(prfm, 0x3FC00000, 0x39800000)
__AARCH64_INSN_FUNCS(prfm_lit, 0xFF000000, 0xD8000000)
__AARCH64_INSN_FUNCS(str_reg, 0x3FE0EC00, 0x38206800)
+__AARCH64_INSN_FUNCS(ldadd, 0x3F20FC00, 0xB8200000)
__AARCH64_INSN_FUNCS(ldr_reg, 0x3FE0EC00, 0x38606800)
__AARCH64_INSN_FUNCS(ldr_lit, 0xBF000000, 0x18000000)
__AARCH64_INSN_FUNCS(ldrsw_lit, 0xFF000000, 0x98000000)
@@ -394,6 +395,13 @@ u32 aarch64_insn_gen_load_store_ex(enum aarch64_insn_register reg,
enum aarch64_insn_register state,
enum aarch64_insn_size_type size,
enum aarch64_insn_ldst_type type);
+u32 aarch64_insn_gen_ldadd(enum aarch64_insn_register result,
+ enum aarch64_insn_register address,
+ enum aarch64_insn_register value,
+ enum aarch64_insn_size_type size);
+u32 aarch64_insn_gen_stadd(enum aarch64_insn_register address,
+ enum aarch64_insn_register value,
+ enum aarch64_insn_size_type size);
u32 aarch64_insn_gen_add_sub_imm(enum aarch64_insn_register dst,
enum aarch64_insn_register src,
int imm, enum aarch64_insn_variant variant,
diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c
index 7820a4a688fa..9e2b5882cdeb 100644
--- a/arch/arm64/kernel/insn.c
+++ b/arch/arm64/kernel/insn.c
@@ -734,6 +734,46 @@ u32 aarch64_insn_gen_load_store_ex(enum aarch64_insn_register reg,
state);
}
+u32 aarch64_insn_gen_ldadd(enum aarch64_insn_register result,
+ enum aarch64_insn_register address,
+ enum aarch64_insn_register value,
+ enum aarch64_insn_size_type size)
+{
+ u32 insn = aarch64_insn_get_ldadd_value();
+
+ switch (size) {
+ case AARCH64_INSN_SIZE_32:
+ case AARCH64_INSN_SIZE_64:
+ break;
+ default:
+ pr_err("%s: unimplemented size encoding %d\n", __func__, size);
+ return AARCH64_BREAK_FAULT;
+ }
+
+ insn = aarch64_insn_encode_ldst_size(size, insn);
+
+ insn = aarch64_insn_encode_register(AARCH64_INSN_REGTYPE_RT, insn,
+ result);
+
+ insn = aarch64_insn_encode_register(AARCH64_INSN_REGTYPE_RN, insn,
+ address);
+
+ return aarch64_insn_encode_register(AARCH64_INSN_REGTYPE_RS, insn,
+ value);
+}
+
+u32 aarch64_insn_gen_stadd(enum aarch64_insn_register address,
+ enum aarch64_insn_register value,
+ enum aarch64_insn_size_type size)
+{
+ /*
+ * STADD is simply encoded as an alias for LDADD with XZR as
+ * the destination register.
+ */
+ return aarch64_insn_gen_ldadd(AARCH64_INSN_REG_ZR, address,
+ value, size);
+}
+
static u32 aarch64_insn_encode_prfm_imm(enum aarch64_insn_prfm_type type,
enum aarch64_insn_prfm_target target,
enum aarch64_insn_prfm_policy policy,
diff --git a/arch/arm64/net/bpf_jit.h b/arch/arm64/net/bpf_jit.h
index 783de51a6c4e..76606e87233f 100644
--- a/arch/arm64/net/bpf_jit.h
+++ b/arch/arm64/net/bpf_jit.h
@@ -100,11 +100,9 @@
#define A64_STXR(sf, Rt, Rn, Rs) \
A64_LSX(sf, Rt, Rn, Rs, STORE_EX)
-/* Prefetch */
-#define A64_PRFM(Rn, type, target, policy) \
- aarch64_insn_gen_prefetch(Rn, AARCH64_INSN_PRFM_TYPE_##type, \
- AARCH64_INSN_PRFM_TARGET_##target, \
- AARCH64_INSN_PRFM_POLICY_##policy)
+/* LSE atomics */
+#define A64_STADD(sf, Rn, Rs) \
+ aarch64_insn_gen_stadd(Rn, Rs, A64_SIZE(sf))
/* Add/subtract (immediate) */
#define A64_ADDSUB_IMM(sf, Rd, Rn, imm12, type) \
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c
index aaddc0217e73..df845cee438e 100644
--- a/arch/arm64/net/bpf_jit_comp.c
+++ b/arch/arm64/net/bpf_jit_comp.c
@@ -365,7 +365,7 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx,
const bool is64 = BPF_CLASS(code) == BPF_ALU64 ||
BPF_CLASS(code) == BPF_JMP;
const bool isdw = BPF_SIZE(code) == BPF_DW;
- u8 jmp_cond;
+ u8 jmp_cond, reg;
s32 jmp_offset;
#define check_imm(bits, imm) do { \
@@ -756,19 +756,28 @@ emit_cond_jmp:
break;
}
break;
+
/* STX XADD: lock *(u32 *)(dst + off) += src */
case BPF_STX | BPF_XADD | BPF_W:
/* STX XADD: lock *(u64 *)(dst + off) += src */
case BPF_STX | BPF_XADD | BPF_DW:
- emit_a64_mov_i(1, tmp, off, ctx);
- emit(A64_ADD(1, tmp, tmp, dst), ctx);
- emit(A64_PRFM(tmp, PST, L1, STRM), ctx);
- emit(A64_LDXR(isdw, tmp2, tmp), ctx);
- emit(A64_ADD(isdw, tmp2, tmp2, src), ctx);
- emit(A64_STXR(isdw, tmp2, tmp, tmp3), ctx);
- jmp_offset = -3;
- check_imm19(jmp_offset);
- emit(A64_CBNZ(0, tmp3, jmp_offset), ctx);
+ if (!off) {
+ reg = dst;
+ } else {
+ emit_a64_mov_i(1, tmp, off, ctx);
+ emit(A64_ADD(1, tmp, tmp, dst), ctx);
+ reg = tmp;
+ }
+ if (cpus_have_cap(ARM64_HAS_LSE_ATOMICS)) {
+ emit(A64_STADD(isdw, reg, src), ctx);
+ } else {
+ emit(A64_LDXR(isdw, tmp2, reg), ctx);
+ emit(A64_ADD(isdw, tmp2, tmp2, src), ctx);
+ emit(A64_STXR(isdw, tmp2, reg, tmp3), ctx);
+ jmp_offset = -3;
+ check_imm19(jmp_offset);
+ emit(A64_CBNZ(0, tmp3, jmp_offset), ctx);
+ }
break;
default:
diff --git a/arch/ia64/include/uapi/asm/sockios.h b/arch/ia64/include/uapi/asm/sockios.h
deleted file mode 100644
index f27a12f95d20..000000000000
--- a/arch/ia64/include/uapi/asm/sockios.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef _ASM_IA64_SOCKIOS_H
-#define _ASM_IA64_SOCKIOS_H
-
-/*
- * Socket-level I/O control calls.
- *
- * Based on <asm-i386/sockios.h>.
- *
- * Modified 1998, 1999
- * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
- */
-#define FIOSETOWN 0x8901
-#define SIOCSPGRP 0x8902
-#define FIOGETOWN 0x8903
-#define SIOCGPGRP 0x8904
-#define SIOCATMARK 0x8905
-#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */
-#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */
-
-#endif /* _ASM_IA64_SOCKIOS_H */
diff --git a/arch/mips/include/uapi/asm/sockios.h b/arch/mips/include/uapi/asm/sockios.h
index 5b40a88593fa..66f60234f290 100644
--- a/arch/mips/include/uapi/asm/sockios.h
+++ b/arch/mips/include/uapi/asm/sockios.h
@@ -21,7 +21,7 @@
#define SIOCSPGRP _IOW('s', 8, pid_t)
#define SIOCGPGRP _IOR('s', 9, pid_t)
-#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */
-#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */
+#define SIOCGSTAMP_OLD 0x8906 /* Get stamp (timeval) */
+#define SIOCGSTAMPNS_OLD 0x8907 /* Get stamp (timespec) */
#endif /* _ASM_SOCKIOS_H */
diff --git a/arch/parisc/include/uapi/asm/sockios.h b/arch/parisc/include/uapi/asm/sockios.h
deleted file mode 100644
index 66a3ba64d53f..000000000000
--- a/arch/parisc/include/uapi/asm/sockios.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef __ARCH_PARISC_SOCKIOS__
-#define __ARCH_PARISC_SOCKIOS__
-
-/* Socket-level I/O control calls. */
-#define FIOSETOWN 0x8901
-#define SIOCSPGRP 0x8902
-#define FIOGETOWN 0x8903
-#define SIOCGPGRP 0x8904
-#define SIOCATMARK 0x8905
-#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */
-#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */
-
-#endif
diff --git a/arch/powerpc/sysdev/tsi108_dev.c b/arch/powerpc/sysdev/tsi108_dev.c
index 1f1af12f23e2..c92dcac85231 100644
--- a/arch/powerpc/sysdev/tsi108_dev.c
+++ b/arch/powerpc/sysdev/tsi108_dev.c
@@ -105,7 +105,7 @@ static int __init tsi108_eth_of_init(void)
}
mac_addr = of_get_mac_address(np);
- if (mac_addr)
+ if (!IS_ERR(mac_addr))
memcpy(tsi_eth_data.mac_addr, mac_addr, 6);
ph = of_get_property(np, "mdio-handle", NULL);
diff --git a/arch/sh/include/uapi/asm/sockios.h b/arch/sh/include/uapi/asm/sockios.h
index 17313d2c3527..ef18a668456d 100644
--- a/arch/sh/include/uapi/asm/sockios.h
+++ b/arch/sh/include/uapi/asm/sockios.h
@@ -10,6 +10,7 @@
#define SIOCSPGRP _IOW('s', 8, pid_t)
#define SIOCGPGRP _IOR('s', 9, pid_t)
-#define SIOCGSTAMP _IOR('s', 100, struct timeval) /* Get stamp (timeval) */
-#define SIOCGSTAMPNS _IOR('s', 101, struct timespec) /* Get stamp (timespec) */
+#define SIOCGSTAMP_OLD _IOR('s', 100, struct timeval) /* Get stamp (timeval) */
+#define SIOCGSTAMPNS_OLD _IOR('s', 101, struct timespec) /* Get stamp (timespec) */
+
#endif /* __ASM_SH_SOCKIOS_H */
diff --git a/arch/sparc/include/uapi/asm/sockios.h b/arch/sparc/include/uapi/asm/sockios.h
deleted file mode 100644
index 18a3ec14a847..000000000000
--- a/arch/sparc/include/uapi/asm/sockios.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef _ASM_SPARC_SOCKIOS_H
-#define _ASM_SPARC_SOCKIOS_H
-
-/* Socket-level I/O control calls. */
-#define FIOSETOWN 0x8901
-#define SIOCSPGRP 0x8902
-#define FIOGETOWN 0x8903
-#define SIOCGPGRP 0x8904
-#define SIOCATMARK 0x8905
-#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */
-#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */
-
-#endif /* !(_ASM_SPARC_SOCKIOS_H) */
-
diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c
index 596e7056f376..e190e4ca52e1 100644
--- a/arch/um/drivers/vector_kern.c
+++ b/arch/um/drivers/vector_kern.c
@@ -1043,7 +1043,7 @@ static int vector_net_start_xmit(struct sk_buff *skb, struct net_device *dev)
vector_send(vp->tx_queue);
return NETDEV_TX_OK;
}
- if (skb->xmit_more) {
+ if (netdev_xmit_more()) {
mod_timer(&vp->tl, vp->coalesce);
return NETDEV_TX_OK;
}
diff --git a/arch/x86/include/uapi/asm/sockios.h b/arch/x86/include/uapi/asm/sockios.h
deleted file mode 100644
index def6d4746ee7..000000000000
--- a/arch/x86/include/uapi/asm/sockios.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/sockios.h>
diff --git a/arch/x86/net/bpf_jit_comp32.c b/arch/x86/net/bpf_jit_comp32.c
index 0d9cdffce6ac..b29e82f190c7 100644
--- a/arch/x86/net/bpf_jit_comp32.c
+++ b/arch/x86/net/bpf_jit_comp32.c
@@ -117,6 +117,8 @@ static bool is_simm32(s64 value)
#define IA32_JLE 0x7E
#define IA32_JG 0x7F
+#define COND_JMP_OPCODE_INVALID (0xFF)
+
/*
* Map eBPF registers to IA32 32bit registers or stack scratch space.
*
@@ -698,19 +700,12 @@ static inline void emit_ia32_neg64(const u8 dst[], bool dstk, u8 **pprog)
STACK_VAR(dst_hi));
}
- /* xor ecx,ecx */
- EMIT2(0x31, add_2reg(0xC0, IA32_ECX, IA32_ECX));
- /* sub dreg_lo,ecx */
- EMIT2(0x2B, add_2reg(0xC0, dreg_lo, IA32_ECX));
- /* mov dreg_lo,ecx */
- EMIT2(0x89, add_2reg(0xC0, dreg_lo, IA32_ECX));
-
- /* xor ecx,ecx */
- EMIT2(0x31, add_2reg(0xC0, IA32_ECX, IA32_ECX));
- /* sbb dreg_hi,ecx */
- EMIT2(0x19, add_2reg(0xC0, dreg_hi, IA32_ECX));
- /* mov dreg_hi,ecx */
- EMIT2(0x89, add_2reg(0xC0, dreg_hi, IA32_ECX));
+ /* neg dreg_lo */
+ EMIT2(0xF7, add_1reg(0xD8, dreg_lo));
+ /* adc dreg_hi,0x0 */
+ EMIT3(0x83, add_1reg(0xD0, dreg_hi), 0x00);
+ /* neg dreg_hi */
+ EMIT2(0xF7, add_1reg(0xD8, dreg_hi));
if (dstk) {
/* mov dword ptr [ebp+off],dreg_lo */
@@ -1613,6 +1608,75 @@ static inline void emit_push_r64(const u8 src[], u8 **pprog)
*pprog = prog;
}
+static u8 get_cond_jmp_opcode(const u8 op, bool is_cmp_lo)
+{
+ u8 jmp_cond;
+
+ /* Convert BPF opcode to x86 */
+ switch (op) {
+ case BPF_JEQ:
+ jmp_cond = IA32_JE;
+ break;
+ case BPF_JSET:
+ case BPF_JNE:
+ jmp_cond = IA32_JNE;
+ break;
+ case BPF_JGT:
+ /* GT is unsigned '>', JA in x86 */
+ jmp_cond = IA32_JA;
+ break;
+ case BPF_JLT:
+ /* LT is unsigned '<', JB in x86 */
+ jmp_cond = IA32_JB;
+ break;
+ case BPF_JGE:
+ /* GE is unsigned '>=', JAE in x86 */
+ jmp_cond = IA32_JAE;
+ break;
+ case BPF_JLE:
+ /* LE is unsigned '<=', JBE in x86 */
+ jmp_cond = IA32_JBE;
+ break;
+ case BPF_JSGT:
+ if (!is_cmp_lo)
+ /* Signed '>', GT in x86 */
+ jmp_cond = IA32_JG;
+ else
+ /* GT is unsigned '>', JA in x86 */
+ jmp_cond = IA32_JA;
+ break;
+ case BPF_JSLT:
+ if (!is_cmp_lo)
+ /* Signed '<', LT in x86 */
+ jmp_cond = IA32_JL;
+ else
+ /* LT is unsigned '<', JB in x86 */
+ jmp_cond = IA32_JB;
+ break;
+ case BPF_JSGE:
+ if (!is_cmp_lo)
+ /* Signed '>=', GE in x86 */
+ jmp_cond = IA32_JGE;
+ else
+ /* GE is unsigned '>=', JAE in x86 */
+ jmp_cond = IA32_JAE;
+ break;
+ case BPF_JSLE:
+ if (!is_cmp_lo)
+ /* Signed '<=', LE in x86 */
+ jmp_cond = IA32_JLE;
+ else
+ /* LE is unsigned '<=', JBE in x86 */
+ jmp_cond = IA32_JBE;
+ break;
+ default: /* to silence GCC warning */
+ jmp_cond = COND_JMP_OPCODE_INVALID;
+ break;
+ }
+
+ return jmp_cond;
+}
+
static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
int oldproglen, struct jit_context *ctx)
{
@@ -2069,10 +2133,6 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
case BPF_JMP | BPF_JLT | BPF_X:
case BPF_JMP | BPF_JGE | BPF_X:
case BPF_JMP | BPF_JLE | BPF_X:
- case BPF_JMP | BPF_JSGT | BPF_X:
- case BPF_JMP | BPF_JSLE | BPF_X:
- case BPF_JMP | BPF_JSLT | BPF_X:
- case BPF_JMP | BPF_JSGE | BPF_X:
case BPF_JMP32 | BPF_JEQ | BPF_X:
case BPF_JMP32 | BPF_JNE | BPF_X:
case BPF_JMP32 | BPF_JGT | BPF_X:
@@ -2118,6 +2178,40 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
EMIT2(0x39, add_2reg(0xC0, dreg_lo, sreg_lo));
goto emit_cond_jmp;
}
+ case BPF_JMP | BPF_JSGT | BPF_X:
+ case BPF_JMP | BPF_JSLE | BPF_X:
+ case BPF_JMP | BPF_JSLT | BPF_X:
+ case BPF_JMP | BPF_JSGE | BPF_X: {
+ u8 dreg_lo = dstk ? IA32_EAX : dst_lo;
+ u8 dreg_hi = dstk ? IA32_EDX : dst_hi;
+ u8 sreg_lo = sstk ? IA32_ECX : src_lo;
+ u8 sreg_hi = sstk ? IA32_EBX : src_hi;
+
+ if (dstk) {
+ EMIT3(0x8B, add_2reg(0x40, IA32_EBP, IA32_EAX),
+ STACK_VAR(dst_lo));
+ EMIT3(0x8B,
+ add_2reg(0x40, IA32_EBP,
+ IA32_EDX),
+ STACK_VAR(dst_hi));
+ }
+
+ if (sstk) {
+ EMIT3(0x8B, add_2reg(0x40, IA32_EBP, IA32_ECX),
+ STACK_VAR(src_lo));
+ EMIT3(0x8B,
+ add_2reg(0x40, IA32_EBP,
+ IA32_EBX),
+ STACK_VAR(src_hi));
+ }
+
+ /* cmp dreg_hi,sreg_hi */
+ EMIT2(0x39, add_2reg(0xC0, dreg_hi, sreg_hi));
+ EMIT2(IA32_JNE, 10);
+ /* cmp dreg_lo,sreg_lo */
+ EMIT2(0x39, add_2reg(0xC0, dreg_lo, sreg_lo));
+ goto emit_cond_jmp_signed;
+ }
case BPF_JMP | BPF_JSET | BPF_X:
case BPF_JMP32 | BPF_JSET | BPF_X: {
bool is_jmp64 = BPF_CLASS(insn->code) == BPF_JMP;
@@ -2194,10 +2288,6 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
case BPF_JMP | BPF_JLT | BPF_K:
case BPF_JMP | BPF_JGE | BPF_K:
case BPF_JMP | BPF_JLE | BPF_K:
- case BPF_JMP | BPF_JSGT | BPF_K:
- case BPF_JMP | BPF_JSLE | BPF_K:
- case BPF_JMP | BPF_JSLT | BPF_K:
- case BPF_JMP | BPF_JSGE | BPF_K:
case BPF_JMP32 | BPF_JEQ | BPF_K:
case BPF_JMP32 | BPF_JNE | BPF_K:
case BPF_JMP32 | BPF_JGT | BPF_K:
@@ -2238,50 +2328,9 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
/* cmp dreg_lo,sreg_lo */
EMIT2(0x39, add_2reg(0xC0, dreg_lo, sreg_lo));
-emit_cond_jmp: /* Convert BPF opcode to x86 */
- switch (BPF_OP(code)) {
- case BPF_JEQ:
- jmp_cond = IA32_JE;
- break;
- case BPF_JSET:
- case BPF_JNE:
- jmp_cond = IA32_JNE;
- break;
- case BPF_JGT:
- /* GT is unsigned '>', JA in x86 */
- jmp_cond = IA32_JA;
- break;
- case BPF_JLT:
- /* LT is unsigned '<', JB in x86 */
- jmp_cond = IA32_JB;
- break;
- case BPF_JGE:
- /* GE is unsigned '>=', JAE in x86 */
- jmp_cond = IA32_JAE;
- break;
- case BPF_JLE:
- /* LE is unsigned '<=', JBE in x86 */
- jmp_cond = IA32_JBE;
- break;
- case BPF_JSGT:
- /* Signed '>', GT in x86 */
- jmp_cond = IA32_JG;
- break;
- case BPF_JSLT:
- /* Signed '<', LT in x86 */
- jmp_cond = IA32_JL;
- break;
- case BPF_JSGE:
- /* Signed '>=', GE in x86 */
- jmp_cond = IA32_JGE;
- break;
- case BPF_JSLE:
- /* Signed '<=', LE in x86 */
- jmp_cond = IA32_JLE;
- break;
- default: /* to silence GCC warning */
+emit_cond_jmp: jmp_cond = get_cond_jmp_opcode(BPF_OP(code), false);
+ if (jmp_cond == COND_JMP_OPCODE_INVALID)
return -EFAULT;
- }
jmp_offset = addrs[i + insn->off] - addrs[i];
if (is_imm8(jmp_offset)) {
EMIT2(jmp_cond, jmp_offset);
@@ -2291,7 +2340,66 @@ emit_cond_jmp: /* Convert BPF opcode to x86 */
pr_err("cond_jmp gen bug %llx\n", jmp_offset);
return -EFAULT;
}
+ break;
+ }
+ case BPF_JMP | BPF_JSGT | BPF_K:
+ case BPF_JMP | BPF_JSLE | BPF_K:
+ case BPF_JMP | BPF_JSLT | BPF_K:
+ case BPF_JMP | BPF_JSGE | BPF_K: {
+ u8 dreg_lo = dstk ? IA32_EAX : dst_lo;
+ u8 dreg_hi = dstk ? IA32_EDX : dst_hi;
+ u8 sreg_lo = IA32_ECX;
+ u8 sreg_hi = IA32_EBX;
+ u32 hi;
+ if (dstk) {
+ EMIT3(0x8B, add_2reg(0x40, IA32_EBP, IA32_EAX),
+ STACK_VAR(dst_lo));
+ EMIT3(0x8B,
+ add_2reg(0x40, IA32_EBP,
+ IA32_EDX),
+ STACK_VAR(dst_hi));
+ }
+
+ /* mov ecx,imm32 */
+ EMIT2_off32(0xC7, add_1reg(0xC0, IA32_ECX), imm32);
+ hi = imm32 & (1 << 31) ? (u32)~0 : 0;
+ /* mov ebx,imm32 */
+ EMIT2_off32(0xC7, add_1reg(0xC0, IA32_EBX), hi);
+ /* cmp dreg_hi,sreg_hi */
+ EMIT2(0x39, add_2reg(0xC0, dreg_hi, sreg_hi));
+ EMIT2(IA32_JNE, 10);
+ /* cmp dreg_lo,sreg_lo */
+ EMIT2(0x39, add_2reg(0xC0, dreg_lo, sreg_lo));
+
+ /*
+ * For simplicity of branch offset computation,
+ * let's use fixed jump coding here.
+ */
+emit_cond_jmp_signed: /* Check the condition for low 32-bit comparison */
+ jmp_cond = get_cond_jmp_opcode(BPF_OP(code), true);
+ if (jmp_cond == COND_JMP_OPCODE_INVALID)
+ return -EFAULT;
+ jmp_offset = addrs[i + insn->off] - addrs[i] + 8;
+ if (is_simm32(jmp_offset)) {
+ EMIT2_off32(0x0F, jmp_cond + 0x10, jmp_offset);
+ } else {
+ pr_err("cond_jmp gen bug %llx\n", jmp_offset);
+ return -EFAULT;
+ }
+ EMIT2(0xEB, 6);
+
+ /* Check the condition for high 32-bit comparison */
+ jmp_cond = get_cond_jmp_opcode(BPF_OP(code), false);
+ if (jmp_cond == COND_JMP_OPCODE_INVALID)
+ return -EFAULT;
+ jmp_offset = addrs[i + insn->off] - addrs[i];
+ if (is_simm32(jmp_offset)) {
+ EMIT2_off32(0x0F, jmp_cond + 0x10, jmp_offset);
+ } else {
+ pr_err("cond_jmp gen bug %llx\n", jmp_offset);
+ return -EFAULT;
+ }
break;
}
case BPF_JMP | BPF_JA:
diff --git a/arch/xtensa/include/uapi/asm/sockios.h b/arch/xtensa/include/uapi/asm/sockios.h
index fb8ac3607189..1a1f58f4b75a 100644
--- a/arch/xtensa/include/uapi/asm/sockios.h
+++ b/arch/xtensa/include/uapi/asm/sockios.h
@@ -26,7 +26,7 @@
#define SIOCSPGRP _IOW('s', 8, pid_t)
#define SIOCGPGRP _IOR('s', 9, pid_t)
-#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */
-#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */
+#define SIOCGSTAMP_OLD 0x8906 /* Get stamp (timeval) */
+#define SIOCGSTAMPNS_OLD 0x8907 /* Get stamp (timespec) */
#endif /* _XTENSA_SOCKIOS_H */
diff --git a/crypto/crypto_user_base.c b/crypto/crypto_user_base.c
index f25d3f32c9c2..e48da3b75c71 100644
--- a/crypto/crypto_user_base.c
+++ b/crypto/crypto_user_base.c
@@ -465,8 +465,8 @@ static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh,
return err;
}
- err = nlmsg_parse(nlh, crypto_msg_min[type], attrs, CRYPTOCFGA_MAX,
- crypto_policy, extack);
+ err = nlmsg_parse_deprecated(nlh, crypto_msg_min[type], attrs,
+ CRYPTOCFGA_MAX, crypto_policy, extack);
if (err < 0)
return err;
diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c
index 82532c299bb5..5278c57dce73 100644
--- a/drivers/atm/iphase.c
+++ b/drivers/atm/iphase.c
@@ -2826,8 +2826,8 @@ static int ia_ioctl(struct atm_dev *dev, unsigned int cmd, void __user *arg)
case 0x6:
{
ia_cmds.status = 0;
- printk("skb = 0x%lx\n", (long)skb_peek(&iadev->tx_backlog));
- printk("rtn_q: 0x%lx\n",(long)ia_deque_rtn_q(&iadev->tx_return_q));
+ printk("skb = 0x%p\n", skb_peek(&iadev->tx_backlog));
+ printk("rtn_q: 0x%p\n",ia_deque_rtn_q(&iadev->tx_return_q));
}
break;
case 0x8:
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index f2471172a961..1cb5a0b85fd9 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -114,7 +114,7 @@ static int drbd_msg_put_info(struct sk_buff *skb, const char *info)
if (!info || !info[0])
return 0;
- nla = nla_nest_start(skb, DRBD_NLA_CFG_REPLY);
+ nla = nla_nest_start_noflag(skb, DRBD_NLA_CFG_REPLY);
if (!nla)
return err;
@@ -135,7 +135,7 @@ static int drbd_msg_sprintf_info(struct sk_buff *skb, const char *fmt, ...)
int err = -EMSGSIZE;
int len;
- nla = nla_nest_start(skb, DRBD_NLA_CFG_REPLY);
+ nla = nla_nest_start_noflag(skb, DRBD_NLA_CFG_REPLY);
if (!nla)
return err;
@@ -3269,7 +3269,7 @@ static int nla_put_drbd_cfg_context(struct sk_buff *skb,
struct drbd_device *device)
{
struct nlattr *nla;
- nla = nla_nest_start(skb, DRBD_NLA_CFG_CONTEXT);
+ nla = nla_nest_start_noflag(skb, DRBD_NLA_CFG_CONTEXT);
if (!nla)
goto nla_put_failure;
if (device &&
@@ -3837,7 +3837,7 @@ static int nla_put_status_info(struct sk_buff *skb, struct drbd_device *device,
if (err)
goto nla_put_failure;
- nla = nla_nest_start(skb, DRBD_NLA_STATE_INFO);
+ nla = nla_nest_start_noflag(skb, DRBD_NLA_STATE_INFO);
if (!nla)
goto nla_put_failure;
if (nla_put_u32(skb, T_sib_reason, sib ? sib->sib_reason : SIB_GET_STATUS_REPLY) ||
diff --git a/drivers/block/drbd/drbd_nla.c b/drivers/block/drbd/drbd_nla.c
index 8e261cb5198b..6a09b0b98018 100644
--- a/drivers/block/drbd/drbd_nla.c
+++ b/drivers/block/drbd/drbd_nla.c
@@ -35,7 +35,8 @@ int drbd_nla_parse_nested(struct nlattr *tb[], int maxtype, struct nlattr *nla,
err = drbd_nla_check_mandatory(maxtype, nla);
if (!err)
- err = nla_parse_nested(tb, maxtype, nla, policy, NULL);
+ err = nla_parse_nested_deprecated(tb, maxtype, nla, policy,
+ NULL);
return err;
}
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 90ba9f4c03f3..053958a8a2ba 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -44,6 +44,9 @@
#include <linux/nbd-netlink.h>
#include <net/genetlink.h>
+#define CREATE_TRACE_POINTS
+#include <trace/events/nbd.h>
+
static DEFINE_IDR(nbd_index_idr);
static DEFINE_MUTEX(nbd_index_mutex);
static int nbd_total_devices = 0;
@@ -510,6 +513,10 @@ static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index)
if (sent) {
if (sent >= sizeof(request)) {
skip = sent - sizeof(request);
+
+ /* initialize handle for tracing purposes */
+ handle = nbd_cmd_handle(cmd);
+
goto send_pages;
}
iov_iter_advance(&from, sent);
@@ -526,11 +533,14 @@ static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index)
handle = nbd_cmd_handle(cmd);
memcpy(request.handle, &handle, sizeof(handle));
+ trace_nbd_send_request(&request, nbd->index, blk_mq_rq_from_pdu(cmd));
+
dev_dbg(nbd_to_dev(nbd), "request %p: sending control (%s@%llu,%uB)\n",
req, nbdcmd_to_ascii(type),
(unsigned long long)blk_rq_pos(req) << 9, blk_rq_bytes(req));
result = sock_xmit(nbd, index, 1, &from,
(type == NBD_CMD_WRITE) ? MSG_MORE : 0, &sent);
+ trace_nbd_header_sent(req, handle);
if (result <= 0) {
if (was_interrupted(result)) {
/* If we havne't sent anything we can just return BUSY,
@@ -603,6 +613,7 @@ send_pages:
bio = next;
}
out:
+ trace_nbd_payload_sent(req, handle);
nsock->pending = NULL;
nsock->sent = 0;
return 0;
@@ -650,6 +661,7 @@ static struct nbd_cmd *nbd_read_stat(struct nbd_device *nbd, int index)
tag, req);
return ERR_PTR(-ENOENT);
}
+ trace_nbd_header_received(req, handle);
cmd = blk_mq_rq_to_pdu(req);
mutex_lock(&cmd->lock);
@@ -703,6 +715,7 @@ static struct nbd_cmd *nbd_read_stat(struct nbd_device *nbd, int index)
}
}
out:
+ trace_nbd_payload_received(req, handle);
mutex_unlock(&cmd->lock);
return ret ? ERR_PTR(ret) : cmd;
}
@@ -1797,8 +1810,10 @@ again:
ret = -EINVAL;
goto out;
}
- ret = nla_parse_nested(socks, NBD_SOCK_MAX, attr,
- nbd_sock_policy, info->extack);
+ ret = nla_parse_nested_deprecated(socks, NBD_SOCK_MAX,
+ attr,
+ nbd_sock_policy,
+ info->extack);
if (ret != 0) {
printk(KERN_ERR "nbd: error processing sock list\n");
ret = -EINVAL;
@@ -1968,8 +1983,10 @@ static int nbd_genl_reconfigure(struct sk_buff *skb, struct genl_info *info)
ret = -EINVAL;
goto out;
}
- ret = nla_parse_nested(socks, NBD_SOCK_MAX, attr,
- nbd_sock_policy, info->extack);
+ ret = nla_parse_nested_deprecated(socks, NBD_SOCK_MAX,
+ attr,
+ nbd_sock_policy,
+ info->extack);
if (ret != 0) {
printk(KERN_ERR "nbd: error processing sock list\n");
ret = -EINVAL;
@@ -1999,22 +2016,22 @@ out:
static const struct genl_ops nbd_connect_genl_ops[] = {
{
.cmd = NBD_CMD_CONNECT,
- .policy = nbd_attr_policy,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nbd_genl_connect,
},
{
.cmd = NBD_CMD_DISCONNECT,
- .policy = nbd_attr_policy,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nbd_genl_disconnect,
},
{
.cmd = NBD_CMD_RECONFIGURE,
- .policy = nbd_attr_policy,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nbd_genl_reconfigure,
},
{
.cmd = NBD_CMD_STATUS,
- .policy = nbd_attr_policy,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nbd_genl_status,
},
};
@@ -2031,6 +2048,7 @@ static struct genl_family nbd_genl_family __ro_after_init = {
.ops = nbd_connect_genl_ops,
.n_ops = ARRAY_SIZE(nbd_connect_genl_ops),
.maxattr = NBD_ATTR_MAX,
+ .policy = nbd_attr_policy,
.mcgrps = nbd_mcast_grps,
.n_mcgrps = ARRAY_SIZE(nbd_mcast_grps),
};
@@ -2050,7 +2068,7 @@ static int populate_nbd_status(struct nbd_device *nbd, struct sk_buff *reply)
*/
if (refcount_read(&nbd->config_refs))
connected = 1;
- dev_opt = nla_nest_start(reply, NBD_DEVICE_ITEM);
+ dev_opt = nla_nest_start_noflag(reply, NBD_DEVICE_ITEM);
if (!dev_opt)
return -EMSGSIZE;
ret = nla_put_u32(reply, NBD_DEVICE_INDEX, nbd->index);
@@ -2098,7 +2116,7 @@ static int nbd_genl_status(struct sk_buff *skb, struct genl_info *info)
goto out;
}
- dev_list = nla_nest_start(reply, NBD_ATTR_DEVICE_LIST);
+ dev_list = nla_nest_start_noflag(reply, NBD_ATTR_DEVICE_LIST);
if (index == -1) {
ret = idr_for_each(&nbd_index_idr, &status_cb, reply);
if (ret) {
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index 7b2e76e7f22f..b9c34ff9a0d3 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -336,7 +336,7 @@ config BT_MRVL
The core driver to support Marvell Bluetooth devices.
This driver is required if you want to support
- Marvell Bluetooth devices, such as 8688/8787/8797/8887/8897/8977/8997.
+ Marvell Bluetooth devices, such as 8688/8787/8797/8887/8897/8977/8987/8997.
Say Y here to compile Marvell Bluetooth driver
into the kernel or say M to compile it as module.
@@ -350,7 +350,7 @@ config BT_MRVL_SDIO
The driver for Marvell Bluetooth chipsets with SDIO interface.
This driver is required if you want to use Marvell Bluetooth
- devices with SDIO interface. Currently SD8688/SD8787/SD8797/SD8887/SD8897/SD8977/SD8997
+ devices with SDIO interface. Currently SD8688/SD8787/SD8797/SD8887/SD8897/SD8977/SD8987/SD8997
chipsets are supported.
Say Y here to compile support for Marvell BT-over-SDIO driver
@@ -379,6 +379,17 @@ config BT_WILINK
Say Y here to compile support for Texas Instrument's WiLink7 driver
into the kernel or say M to compile it as module (btwilink).
+config BT_MTKSDIO
+ tristate "MediaTek HCI SDIO driver"
+ depends on MMC
+ help
+ MediaTek Bluetooth HCI SDIO driver.
+ This driver is required if you want to use MediaTek Bluetooth
+ with SDIO interface.
+
+ Say Y here to compile support for MediaTek Bluetooth SDIO devices
+ into the kernel or say M to compile it as module (btmtksdio).
+
config BT_MTKUART
tristate "MediaTek HCI UART driver"
depends on SERIAL_DEV_BUS
diff --git a/drivers/bluetooth/Makefile b/drivers/bluetooth/Makefile
index b7e393cfc1e3..34887b9b3a85 100644
--- a/drivers/bluetooth/Makefile
+++ b/drivers/bluetooth/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_BT_ATH3K) += ath3k.o
obj-$(CONFIG_BT_MRVL) += btmrvl.o
obj-$(CONFIG_BT_MRVL_SDIO) += btmrvl_sdio.o
obj-$(CONFIG_BT_WILINK) += btwilink.o
+obj-$(CONFIG_BT_MTKSDIO) += btmtksdio.o
obj-$(CONFIG_BT_MTKUART) += btmtkuart.o
obj-$(CONFIG_BT_QCOMSMD) += btqcomsmd.o
obj-$(CONFIG_BT_BCM) += btbcm.o
diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c
index d5d6e6e5da3b..8e17963ab65a 100644
--- a/drivers/bluetooth/btbcm.c
+++ b/drivers/bluetooth/btbcm.c
@@ -34,9 +34,11 @@
#define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}})
#define BDADDR_BCM20702A1 (&(bdaddr_t) {{0x00, 0x00, 0xa0, 0x02, 0x70, 0x20}})
+#define BDADDR_BCM2076B1 (&(bdaddr_t) {{0x79, 0x56, 0x00, 0xa0, 0x76, 0x20}})
#define BDADDR_BCM43430A0 (&(bdaddr_t) {{0xac, 0x1f, 0x12, 0xa0, 0x43, 0x43}})
#define BDADDR_BCM4324B3 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb3, 0x24, 0x43}})
#define BDADDR_BCM4330B1 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb1, 0x30, 0x43}})
+#define BDADDR_BCM43341B (&(bdaddr_t) {{0xac, 0x1f, 0x00, 0x1b, 0x34, 0x43}})
int btbcm_check_bdaddr(struct hci_dev *hdev)
{
@@ -69,6 +71,9 @@ int btbcm_check_bdaddr(struct hci_dev *hdev)
* The address 20:70:02:A0:00:00 indicates a BCM20702A1 controller
* with no configured address.
*
+ * The address 20:76:A0:00:56:79 indicates a BCM2076B1 controller
+ * with no configured address.
+ *
* The address 43:24:B3:00:00:00 indicates a BCM4324B3 controller
* with waiting for configuration state.
*
@@ -80,9 +85,11 @@ int btbcm_check_bdaddr(struct hci_dev *hdev)
*/
if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0) ||
!bacmp(&bda->bdaddr, BDADDR_BCM20702A1) ||
+ !bacmp(&bda->bdaddr, BDADDR_BCM2076B1) ||
!bacmp(&bda->bdaddr, BDADDR_BCM4324B3) ||
!bacmp(&bda->bdaddr, BDADDR_BCM4330B1) ||
- !bacmp(&bda->bdaddr, BDADDR_BCM43430A0)) {
+ !bacmp(&bda->bdaddr, BDADDR_BCM43430A0) ||
+ !bacmp(&bda->bdaddr, BDADDR_BCM43341B)) {
bt_dev_info(hdev, "BCM: Using default device address (%pMR)",
&bda->bdaddr);
set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
@@ -333,6 +340,7 @@ struct bcm_subver_table {
static const struct bcm_subver_table bcm_uart_subver_table[] = {
{ 0x4103, "BCM4330B1" }, /* 002.001.003 */
{ 0x410e, "BCM43341B0" }, /* 002.001.014 */
+ { 0x4204, "BCM2076B1" }, /* 002.002.004 */
{ 0x4406, "BCM4324B3" }, /* 002.004.006 */
{ 0x6109, "BCM4335C0" }, /* 003.001.009 */
{ 0x610c, "BCM4354" }, /* 003.001.012 */
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index 047b75ce1deb..0f3a020703ab 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -235,6 +235,29 @@ static const struct btmrvl_sdio_card_reg btmrvl_reg_8977 = {
.fw_dump_end = 0xf8,
};
+static const struct btmrvl_sdio_card_reg btmrvl_reg_8987 = {
+ .cfg = 0x00,
+ .host_int_mask = 0x08,
+ .host_intstatus = 0x0c,
+ .card_status = 0x5c,
+ .sq_read_base_addr_a0 = 0xf8,
+ .sq_read_base_addr_a1 = 0xf9,
+ .card_revision = 0xc8,
+ .card_fw_status0 = 0xe8,
+ .card_fw_status1 = 0xe9,
+ .card_rx_len = 0xea,
+ .card_rx_unit = 0xeb,
+ .io_port_0 = 0xe4,
+ .io_port_1 = 0xe5,
+ .io_port_2 = 0xe6,
+ .int_read_to_clear = true,
+ .host_int_rsr = 0x04,
+ .card_misc_cfg = 0xd8,
+ .fw_dump_ctrl = 0xf0,
+ .fw_dump_start = 0xf1,
+ .fw_dump_end = 0xf8,
+};
+
static const struct btmrvl_sdio_card_reg btmrvl_reg_8997 = {
.cfg = 0x00,
.host_int_mask = 0x08,
@@ -312,6 +335,15 @@ static const struct btmrvl_sdio_device btmrvl_sdio_sd8977 = {
.supports_fw_dump = true,
};
+static const struct btmrvl_sdio_device btmrvl_sdio_sd8987 = {
+ .helper = NULL,
+ .firmware = "mrvl/sd8987_uapsta.bin",
+ .reg = &btmrvl_reg_8987,
+ .support_pscan_win_report = true,
+ .sd_blksz_fw_dl = 256,
+ .supports_fw_dump = true,
+};
+
static const struct btmrvl_sdio_device btmrvl_sdio_sd8997 = {
.helper = NULL,
.firmware = "mrvl/sd8997_uapsta.bin",
@@ -343,6 +375,9 @@ static const struct sdio_device_id btmrvl_sdio_ids[] = {
/* Marvell SD8977 Bluetooth device */
{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9146),
.driver_data = (unsigned long)&btmrvl_sdio_sd8977 },
+ /* Marvell SD8987 Bluetooth device */
+ { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x914A),
+ .driver_data = (unsigned long)&btmrvl_sdio_sd8987 },
/* Marvell SD8997 Bluetooth device */
{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9142),
.driver_data = (unsigned long)&btmrvl_sdio_sd8997 },
@@ -1797,4 +1832,5 @@ MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin");
MODULE_FIRMWARE("mrvl/sd8887_uapsta.bin");
MODULE_FIRMWARE("mrvl/sd8897_uapsta.bin");
MODULE_FIRMWARE("mrvl/sd8977_uapsta.bin");
+MODULE_FIRMWARE("mrvl/sd8987_uapsta.bin");
MODULE_FIRMWARE("mrvl/sd8997_uapsta.bin");
diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c
new file mode 100644
index 000000000000..813338288453
--- /dev/null
+++ b/drivers/bluetooth/btmtksdio.c
@@ -0,0 +1,1101 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2019 MediaTek Inc.
+
+/*
+ * Bluetooth support for MediaTek SDIO devices
+ *
+ * This file is written based on btsdio.c and btmtkuart.c.
+ *
+ * Author: Sean Wang <sean.wang@mediatek.com>
+ *
+ */
+
+#include <asm/unaligned.h>
+#include <linux/atomic.h>
+#include <linux/firmware.h>
+#include <linux/init.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pm_runtime.h>
+#include <linux/skbuff.h>
+
+#include <linux/mmc/host.h>
+#include <linux/mmc/sdio_ids.h>
+#include <linux/mmc/sdio_func.h>
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+
+#include "h4_recv.h"
+
+#define VERSION "0.1"
+
+#define FIRMWARE_MT7663 "mediatek/mt7663pr2h.bin"
+#define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin"
+
+#define MTKBTSDIO_AUTOSUSPEND_DELAY 8000
+
+static bool enable_autosuspend;
+
+struct btmtksdio_data {
+ const char *fwname;
+};
+
+static const struct btmtksdio_data mt7663_data = {
+ .fwname = FIRMWARE_MT7663,
+};
+
+static const struct btmtksdio_data mt7668_data = {
+ .fwname = FIRMWARE_MT7668,
+};
+
+static const struct sdio_device_id btmtksdio_table[] = {
+ {SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, 0x7663),
+ .driver_data = (kernel_ulong_t)&mt7663_data },
+ {SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, 0x7668),
+ .driver_data = (kernel_ulong_t)&mt7668_data },
+ { } /* Terminating entry */
+};
+
+#define MTK_REG_CHLPCR 0x4 /* W1S */
+#define C_INT_EN_SET BIT(0)
+#define C_INT_EN_CLR BIT(1)
+#define C_FW_OWN_REQ_SET BIT(8) /* For write */
+#define C_COM_DRV_OWN BIT(8) /* For read */
+#define C_FW_OWN_REQ_CLR BIT(9)
+
+#define MTK_REG_CSDIOCSR 0x8
+#define SDIO_RE_INIT_EN BIT(0)
+#define SDIO_INT_CTL BIT(2)
+
+#define MTK_REG_CHCR 0xc
+#define C_INT_CLR_CTRL BIT(1)
+
+/* CHISR have the same bits field definition with CHIER */
+#define MTK_REG_CHISR 0x10
+#define MTK_REG_CHIER 0x14
+#define FW_OWN_BACK_INT BIT(0)
+#define RX_DONE_INT BIT(1)
+#define TX_EMPTY BIT(2)
+#define TX_FIFO_OVERFLOW BIT(8)
+#define RX_PKT_LEN GENMASK(31, 16)
+
+#define MTK_REG_CTDR 0x18
+
+#define MTK_REG_CRDR 0x1c
+
+#define MTK_SDIO_BLOCK_SIZE 256
+
+#define BTMTKSDIO_TX_WAIT_VND_EVT 1
+
+enum {
+ MTK_WMT_PATCH_DWNLD = 0x1,
+ MTK_WMT_TEST = 0x2,
+ MTK_WMT_WAKEUP = 0x3,
+ MTK_WMT_HIF = 0x4,
+ MTK_WMT_FUNC_CTRL = 0x6,
+ MTK_WMT_RST = 0x7,
+ MTK_WMT_SEMAPHORE = 0x17,
+};
+
+enum {
+ BTMTK_WMT_INVALID,
+ BTMTK_WMT_PATCH_UNDONE,
+ BTMTK_WMT_PATCH_DONE,
+ BTMTK_WMT_ON_UNDONE,
+ BTMTK_WMT_ON_DONE,
+ BTMTK_WMT_ON_PROGRESS,
+};
+
+struct mtkbtsdio_hdr {
+ __le16 len;
+ __le16 reserved;
+ u8 bt_type;
+} __packed;
+
+struct mtk_wmt_hdr {
+ u8 dir;
+ u8 op;
+ __le16 dlen;
+ u8 flag;
+} __packed;
+
+struct mtk_hci_wmt_cmd {
+ struct mtk_wmt_hdr hdr;
+ u8 data[256];
+} __packed;
+
+struct btmtk_hci_wmt_evt {
+ struct hci_event_hdr hhdr;
+ struct mtk_wmt_hdr whdr;
+} __packed;
+
+struct btmtk_hci_wmt_evt_funcc {
+ struct btmtk_hci_wmt_evt hwhdr;
+ __be16 status;
+} __packed;
+
+struct btmtk_tci_sleep {
+ u8 mode;
+ __le16 duration;
+ __le16 host_duration;
+ u8 host_wakeup_pin;
+ u8 time_compensation;
+} __packed;
+
+struct btmtk_hci_wmt_params {
+ u8 op;
+ u8 flag;
+ u16 dlen;
+ const void *data;
+ u32 *status;
+};
+
+struct btmtksdio_dev {
+ struct hci_dev *hdev;
+ struct sdio_func *func;
+ struct device *dev;
+
+ struct work_struct tx_work;
+ unsigned long tx_state;
+ struct sk_buff_head txq;
+
+ struct sk_buff *evt_skb;
+
+ const struct btmtksdio_data *data;
+};
+
+static int mtk_hci_wmt_sync(struct hci_dev *hdev,
+ struct btmtk_hci_wmt_params *wmt_params)
+{
+ struct btmtksdio_dev *bdev = hci_get_drvdata(hdev);
+ struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc;
+ u32 hlen, status = BTMTK_WMT_INVALID;
+ struct btmtk_hci_wmt_evt *wmt_evt;
+ struct mtk_hci_wmt_cmd wc;
+ struct mtk_wmt_hdr *hdr;
+ int err;
+
+ hlen = sizeof(*hdr) + wmt_params->dlen;
+ if (hlen > 255)
+ return -EINVAL;
+
+ hdr = (struct mtk_wmt_hdr *)&wc;
+ hdr->dir = 1;
+ hdr->op = wmt_params->op;
+ hdr->dlen = cpu_to_le16(wmt_params->dlen + 1);
+ hdr->flag = wmt_params->flag;
+ memcpy(wc.data, wmt_params->data, wmt_params->dlen);
+
+ set_bit(BTMTKSDIO_TX_WAIT_VND_EVT, &bdev->tx_state);
+
+ err = __hci_cmd_send(hdev, 0xfc6f, hlen, &wc);
+ if (err < 0) {
+ clear_bit(BTMTKSDIO_TX_WAIT_VND_EVT, &bdev->tx_state);
+ return err;
+ }
+
+ /* The vendor specific WMT commands are all answered by a vendor
+ * specific event and will not have the Command Status or Command
+ * Complete as with usual HCI command flow control.
+ *
+ * After sending the command, wait for BTMTKSDIO_TX_WAIT_VND_EVT
+ * state to be cleared. The driver specific event receive routine
+ * will clear that state and with that indicate completion of the
+ * WMT command.
+ */
+ err = wait_on_bit_timeout(&bdev->tx_state, BTMTKSDIO_TX_WAIT_VND_EVT,
+ TASK_INTERRUPTIBLE, HCI_INIT_TIMEOUT);
+ if (err == -EINTR) {
+ bt_dev_err(hdev, "Execution of wmt command interrupted");
+ clear_bit(BTMTKSDIO_TX_WAIT_VND_EVT, &bdev->tx_state);
+ return err;
+ }
+
+ if (err) {
+ bt_dev_err(hdev, "Execution of wmt command timed out");
+ clear_bit(BTMTKSDIO_TX_WAIT_VND_EVT, &bdev->tx_state);
+ return -ETIMEDOUT;
+ }
+
+ /* Parse and handle the return WMT event */
+ wmt_evt = (struct btmtk_hci_wmt_evt *)bdev->evt_skb->data;
+ if (wmt_evt->whdr.op != hdr->op) {
+ bt_dev_err(hdev, "Wrong op received %d expected %d",
+ wmt_evt->whdr.op, hdr->op);
+ err = -EIO;
+ goto err_free_skb;
+ }
+
+ switch (wmt_evt->whdr.op) {
+ case MTK_WMT_SEMAPHORE:
+ if (wmt_evt->whdr.flag == 2)
+ status = BTMTK_WMT_PATCH_UNDONE;
+ else
+ status = BTMTK_WMT_PATCH_DONE;
+ break;
+ case MTK_WMT_FUNC_CTRL:
+ wmt_evt_funcc = (struct btmtk_hci_wmt_evt_funcc *)wmt_evt;
+ if (be16_to_cpu(wmt_evt_funcc->status) == 0x404)
+ status = BTMTK_WMT_ON_DONE;
+ else if (be16_to_cpu(wmt_evt_funcc->status) == 0x420)
+ status = BTMTK_WMT_ON_PROGRESS;
+ else
+ status = BTMTK_WMT_ON_UNDONE;
+ break;
+ }
+
+ if (wmt_params->status)
+ *wmt_params->status = status;
+
+err_free_skb:
+ kfree_skb(bdev->evt_skb);
+ bdev->evt_skb = NULL;
+
+ return err;
+}
+
+static int btmtksdio_tx_packet(struct btmtksdio_dev *bdev,
+ struct sk_buff *skb)
+{
+ struct mtkbtsdio_hdr *sdio_hdr;
+ int err;
+
+ /* Make sure that there are enough rooms for SDIO header */
+ if (unlikely(skb_headroom(skb) < sizeof(*sdio_hdr))) {
+ err = pskb_expand_head(skb, sizeof(*sdio_hdr), 0,
+ GFP_ATOMIC);
+ if (err < 0)
+ return err;
+ }
+
+ /* Prepend MediaTek SDIO Specific Header */
+ skb_push(skb, sizeof(*sdio_hdr));
+
+ sdio_hdr = (void *)skb->data;
+ sdio_hdr->len = cpu_to_le16(skb->len);
+ sdio_hdr->reserved = cpu_to_le16(0);
+ sdio_hdr->bt_type = hci_skb_pkt_type(skb);
+
+ err = sdio_writesb(bdev->func, MTK_REG_CTDR, skb->data,
+ round_up(skb->len, MTK_SDIO_BLOCK_SIZE));
+ if (err < 0)
+ goto err_skb_pull;
+
+ bdev->hdev->stat.byte_tx += skb->len;
+
+ kfree_skb(skb);
+
+ return 0;
+
+err_skb_pull:
+ skb_pull(skb, sizeof(*sdio_hdr));
+
+ return err;
+}
+
+static u32 btmtksdio_drv_own_query(struct btmtksdio_dev *bdev)
+{
+ return sdio_readl(bdev->func, MTK_REG_CHLPCR, NULL);
+}
+
+static void btmtksdio_tx_work(struct work_struct *work)
+{
+ struct btmtksdio_dev *bdev = container_of(work, struct btmtksdio_dev,
+ tx_work);
+ struct sk_buff *skb;
+ int err;
+
+ pm_runtime_get_sync(bdev->dev);
+
+ sdio_claim_host(bdev->func);
+
+ while ((skb = skb_dequeue(&bdev->txq))) {
+ err = btmtksdio_tx_packet(bdev, skb);
+ if (err < 0) {
+ bdev->hdev->stat.err_tx++;
+ skb_queue_head(&bdev->txq, skb);
+ break;
+ }
+ }
+
+ sdio_release_host(bdev->func);
+
+ pm_runtime_mark_last_busy(bdev->dev);
+ pm_runtime_put_autosuspend(bdev->dev);
+}
+
+static int btmtksdio_recv_event(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct btmtksdio_dev *bdev = hci_get_drvdata(hdev);
+ struct hci_event_hdr *hdr = (void *)skb->data;
+ int err;
+
+ /* Fix up the vendor event id with 0xff for vendor specific instead
+ * of 0xe4 so that event send via monitoring socket can be parsed
+ * properly.
+ */
+ if (hdr->evt == 0xe4)
+ hdr->evt = HCI_EV_VENDOR;
+
+ /* When someone waits for the WMT event, the skb is being cloned
+ * and being processed the events from there then.
+ */
+ if (test_bit(BTMTKSDIO_TX_WAIT_VND_EVT, &bdev->tx_state)) {
+ bdev->evt_skb = skb_clone(skb, GFP_KERNEL);
+ if (!bdev->evt_skb) {
+ err = -ENOMEM;
+ goto err_out;
+ }
+ }
+
+ err = hci_recv_frame(hdev, skb);
+ if (err < 0)
+ goto err_free_skb;
+
+ if (hdr->evt == HCI_EV_VENDOR) {
+ if (test_and_clear_bit(BTMTKSDIO_TX_WAIT_VND_EVT,
+ &bdev->tx_state)) {
+ /* Barrier to sync with other CPUs */
+ smp_mb__after_atomic();
+ wake_up_bit(&bdev->tx_state, BTMTKSDIO_TX_WAIT_VND_EVT);
+ }
+ }
+
+ return 0;
+
+err_free_skb:
+ kfree_skb(bdev->evt_skb);
+ bdev->evt_skb = NULL;
+
+err_out:
+ return err;
+}
+
+static const struct h4_recv_pkt mtk_recv_pkts[] = {
+ { H4_RECV_ACL, .recv = hci_recv_frame },
+ { H4_RECV_SCO, .recv = hci_recv_frame },
+ { H4_RECV_EVENT, .recv = btmtksdio_recv_event },
+};
+
+static int btmtksdio_rx_packet(struct btmtksdio_dev *bdev, u16 rx_size)
+{
+ const struct h4_recv_pkt *pkts = mtk_recv_pkts;
+ int pkts_count = ARRAY_SIZE(mtk_recv_pkts);
+ struct mtkbtsdio_hdr *sdio_hdr;
+ int err, i, pad_size;
+ struct sk_buff *skb;
+ u16 dlen;
+
+ if (rx_size < sizeof(*sdio_hdr))
+ return -EILSEQ;
+
+ /* A SDIO packet is exactly containing a Bluetooth packet */
+ skb = bt_skb_alloc(rx_size, GFP_KERNEL);
+ if (!skb)
+ return -ENOMEM;
+
+ skb_put(skb, rx_size);
+
+ err = sdio_readsb(bdev->func, skb->data, MTK_REG_CRDR, rx_size);
+ if (err < 0)
+ goto err_kfree_skb;
+
+ sdio_hdr = (void *)skb->data;
+
+ /* We assume the default error as -EILSEQ simply to make the error path
+ * be cleaner.
+ */
+ err = -EILSEQ;
+
+ if (rx_size != le16_to_cpu(sdio_hdr->len)) {
+ bt_dev_err(bdev->hdev, "Rx size in sdio header is mismatched ");
+ goto err_kfree_skb;
+ }
+
+ hci_skb_pkt_type(skb) = sdio_hdr->bt_type;
+
+ /* Remove MediaTek SDIO header */
+ skb_pull(skb, sizeof(*sdio_hdr));
+
+ /* We have to dig into the packet to get payload size and then know how
+ * many padding bytes at the tail, these padding bytes should be removed
+ * before the packet is indicated to the core layer.
+ */
+ for (i = 0; i < pkts_count; i++) {
+ if (sdio_hdr->bt_type == (&pkts[i])->type)
+ break;
+ }
+
+ if (i >= pkts_count) {
+ bt_dev_err(bdev->hdev, "Invalid bt type 0x%02x",
+ sdio_hdr->bt_type);
+ goto err_kfree_skb;
+ }
+
+ /* Remaining bytes cannot hold a header*/
+ if (skb->len < (&pkts[i])->hlen) {
+ bt_dev_err(bdev->hdev, "The size of bt header is mismatched");
+ goto err_kfree_skb;
+ }
+
+ switch ((&pkts[i])->lsize) {
+ case 1:
+ dlen = skb->data[(&pkts[i])->loff];
+ break;
+ case 2:
+ dlen = get_unaligned_le16(skb->data +
+ (&pkts[i])->loff);
+ break;
+ default:
+ goto err_kfree_skb;
+ }
+
+ pad_size = skb->len - (&pkts[i])->hlen - dlen;
+
+ /* Remaining bytes cannot hold a payload */
+ if (pad_size < 0) {
+ bt_dev_err(bdev->hdev, "The size of bt payload is mismatched");
+ goto err_kfree_skb;
+ }
+
+ /* Remove padding bytes */
+ skb_trim(skb, skb->len - pad_size);
+
+ /* Complete frame */
+ (&pkts[i])->recv(bdev->hdev, skb);
+
+ bdev->hdev->stat.byte_rx += rx_size;
+
+ return 0;
+
+err_kfree_skb:
+ kfree_skb(skb);
+
+ return err;
+}
+
+static void btmtksdio_interrupt(struct sdio_func *func)
+{
+ struct btmtksdio_dev *bdev = sdio_get_drvdata(func);
+ u32 int_status;
+ u16 rx_size;
+
+ /* It is required that the host gets ownership from the device before
+ * accessing any register, however, if SDIO host is not being released,
+ * a potential deadlock probably happens in a circular wait between SDIO
+ * IRQ work and PM runtime work. So, we have to explicitly release SDIO
+ * host here and claim again after the PM runtime work is all done.
+ */
+ sdio_release_host(bdev->func);
+
+ pm_runtime_get_sync(bdev->dev);
+
+ sdio_claim_host(bdev->func);
+
+ /* Disable interrupt */
+ sdio_writel(func, C_INT_EN_CLR, MTK_REG_CHLPCR, 0);
+
+ int_status = sdio_readl(func, MTK_REG_CHISR, NULL);
+
+ /* Ack an interrupt as soon as possible before any operation on
+ * hardware.
+ *
+ * Note that we don't ack any status during operations to avoid race
+ * condition between the host and the device such as it's possible to
+ * mistakenly ack RX_DONE for the next packet and then cause interrupts
+ * not be raised again but there is still pending data in the hardware
+ * FIFO.
+ */
+ sdio_writel(func, int_status, MTK_REG_CHISR, NULL);
+
+ if (unlikely(!int_status))
+ bt_dev_err(bdev->hdev, "CHISR is 0");
+
+ if (int_status & FW_OWN_BACK_INT)
+ bt_dev_dbg(bdev->hdev, "Get fw own back");
+
+ if (int_status & TX_EMPTY)
+ schedule_work(&bdev->tx_work);
+ else if (unlikely(int_status & TX_FIFO_OVERFLOW))
+ bt_dev_warn(bdev->hdev, "Tx fifo overflow");
+
+ if (int_status & RX_DONE_INT) {
+ rx_size = (int_status & RX_PKT_LEN) >> 16;
+
+ if (btmtksdio_rx_packet(bdev, rx_size) < 0)
+ bdev->hdev->stat.err_rx++;
+ }
+
+ /* Enable interrupt */
+ sdio_writel(func, C_INT_EN_SET, MTK_REG_CHLPCR, 0);
+
+ pm_runtime_mark_last_busy(bdev->dev);
+ pm_runtime_put_autosuspend(bdev->dev);
+}
+
+static int btmtksdio_open(struct hci_dev *hdev)
+{
+ struct btmtksdio_dev *bdev = hci_get_drvdata(hdev);
+ int err;
+ u32 status;
+
+ sdio_claim_host(bdev->func);
+
+ err = sdio_enable_func(bdev->func);
+ if (err < 0)
+ goto err_release_host;
+
+ /* Get ownership from the device */
+ sdio_writel(bdev->func, C_FW_OWN_REQ_CLR, MTK_REG_CHLPCR, &err);
+ if (err < 0)
+ goto err_disable_func;
+
+ err = readx_poll_timeout(btmtksdio_drv_own_query, bdev, status,
+ status & C_COM_DRV_OWN, 2000, 1000000);
+ if (err < 0) {
+ bt_dev_err(bdev->hdev, "Cannot get ownership from device");
+ goto err_disable_func;
+ }
+
+ /* Disable interrupt & mask out all interrupt sources */
+ sdio_writel(bdev->func, C_INT_EN_CLR, MTK_REG_CHLPCR, &err);
+ if (err < 0)
+ goto err_disable_func;
+
+ sdio_writel(bdev->func, 0, MTK_REG_CHIER, &err);
+ if (err < 0)
+ goto err_disable_func;
+
+ err = sdio_claim_irq(bdev->func, btmtksdio_interrupt);
+ if (err < 0)
+ goto err_disable_func;
+
+ err = sdio_set_block_size(bdev->func, MTK_SDIO_BLOCK_SIZE);
+ if (err < 0)
+ goto err_release_irq;
+
+ /* SDIO CMD 5 allows the SDIO device back to idle state an
+ * synchronous interrupt is supported in SDIO 4-bit mode
+ */
+ sdio_writel(bdev->func, SDIO_INT_CTL | SDIO_RE_INIT_EN,
+ MTK_REG_CSDIOCSR, &err);
+ if (err < 0)
+ goto err_release_irq;
+
+ /* Setup write-1-clear for CHISR register */
+ sdio_writel(bdev->func, C_INT_CLR_CTRL, MTK_REG_CHCR, &err);
+ if (err < 0)
+ goto err_release_irq;
+
+ /* Setup interrupt sources */
+ sdio_writel(bdev->func, RX_DONE_INT | TX_EMPTY | TX_FIFO_OVERFLOW,
+ MTK_REG_CHIER, &err);
+ if (err < 0)
+ goto err_release_irq;
+
+ /* Enable interrupt */
+ sdio_writel(bdev->func, C_INT_EN_SET, MTK_REG_CHLPCR, &err);
+ if (err < 0)
+ goto err_release_irq;
+
+ sdio_release_host(bdev->func);
+
+ return 0;
+
+err_release_irq:
+ sdio_release_irq(bdev->func);
+
+err_disable_func:
+ sdio_disable_func(bdev->func);
+
+err_release_host:
+ sdio_release_host(bdev->func);
+
+ return err;
+}
+
+static int btmtksdio_close(struct hci_dev *hdev)
+{
+ struct btmtksdio_dev *bdev = hci_get_drvdata(hdev);
+ u32 status;
+ int err;
+
+ sdio_claim_host(bdev->func);
+
+ /* Disable interrupt */
+ sdio_writel(bdev->func, C_INT_EN_CLR, MTK_REG_CHLPCR, NULL);
+
+ sdio_release_irq(bdev->func);
+
+ /* Return ownership to the device */
+ sdio_writel(bdev->func, C_FW_OWN_REQ_SET, MTK_REG_CHLPCR, NULL);
+
+ err = readx_poll_timeout(btmtksdio_drv_own_query, bdev, status,
+ !(status & C_COM_DRV_OWN), 2000, 1000000);
+ if (err < 0)
+ bt_dev_err(bdev->hdev, "Cannot return ownership to device");
+
+ sdio_disable_func(bdev->func);
+
+ sdio_release_host(bdev->func);
+
+ return 0;
+}
+
+static int btmtksdio_flush(struct hci_dev *hdev)
+{
+ struct btmtksdio_dev *bdev = hci_get_drvdata(hdev);
+
+ skb_queue_purge(&bdev->txq);
+
+ cancel_work_sync(&bdev->tx_work);
+
+ return 0;
+}
+
+static int btmtksdio_func_query(struct hci_dev *hdev)
+{
+ struct btmtk_hci_wmt_params wmt_params;
+ int status, err;
+ u8 param = 0;
+
+ /* Query whether the function is enabled */
+ wmt_params.op = MTK_WMT_FUNC_CTRL;
+ wmt_params.flag = 4;
+ wmt_params.dlen = sizeof(param);
+ wmt_params.data = &param;
+ wmt_params.status = &status;
+
+ err = mtk_hci_wmt_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to query function status (%d)", err);
+ return err;
+ }
+
+ return status;
+}
+
+static int mtk_setup_firmware(struct hci_dev *hdev, const char *fwname)
+{
+ struct btmtk_hci_wmt_params wmt_params;
+ const struct firmware *fw;
+ const u8 *fw_ptr;
+ size_t fw_size;
+ int err, dlen;
+ u8 flag;
+
+ err = request_firmware(&fw, fwname, &hdev->dev);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to load firmware file (%d)", err);
+ return err;
+ }
+
+ fw_ptr = fw->data;
+ fw_size = fw->size;
+
+ /* The size of patch header is 30 bytes, should be skip */
+ if (fw_size < 30) {
+ err = -EINVAL;
+ goto free_fw;
+ }
+
+ fw_size -= 30;
+ fw_ptr += 30;
+ flag = 1;
+
+ wmt_params.op = MTK_WMT_PATCH_DWNLD;
+ wmt_params.status = NULL;
+
+ while (fw_size > 0) {
+ dlen = min_t(int, 250, fw_size);
+
+ /* Tell device the position in sequence */
+ if (fw_size - dlen <= 0)
+ flag = 3;
+ else if (fw_size < fw->size - 30)
+ flag = 2;
+
+ wmt_params.flag = flag;
+ wmt_params.dlen = dlen;
+ wmt_params.data = fw_ptr;
+
+ err = mtk_hci_wmt_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)",
+ err);
+ goto free_fw;
+ }
+
+ fw_size -= dlen;
+ fw_ptr += dlen;
+ }
+
+ wmt_params.op = MTK_WMT_RST;
+ wmt_params.flag = 4;
+ wmt_params.dlen = 0;
+ wmt_params.data = NULL;
+ wmt_params.status = NULL;
+
+ /* Activate funciton the firmware providing to */
+ err = mtk_hci_wmt_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to send wmt rst (%d)", err);
+ goto free_fw;
+ }
+
+ /* Wait a few moments for firmware activation done */
+ usleep_range(10000, 12000);
+
+free_fw:
+ release_firmware(fw);
+ return err;
+}
+
+static int btmtksdio_setup(struct hci_dev *hdev)
+{
+ struct btmtksdio_dev *bdev = hci_get_drvdata(hdev);
+ struct btmtk_hci_wmt_params wmt_params;
+ ktime_t calltime, delta, rettime;
+ struct btmtk_tci_sleep tci_sleep;
+ unsigned long long duration;
+ struct sk_buff *skb;
+ int err, status;
+ u8 param = 0x1;
+
+ calltime = ktime_get();
+
+ /* Query whether the firmware is already download */
+ wmt_params.op = MTK_WMT_SEMAPHORE;
+ wmt_params.flag = 1;
+ wmt_params.dlen = 0;
+ wmt_params.data = NULL;
+ wmt_params.status = &status;
+
+ err = mtk_hci_wmt_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to query firmware status (%d)", err);
+ return err;
+ }
+
+ if (status == BTMTK_WMT_PATCH_DONE) {
+ bt_dev_info(hdev, "Firmware already downloaded");
+ goto ignore_setup_fw;
+ }
+
+ /* Setup a firmware which the device definitely requires */
+ err = mtk_setup_firmware(hdev, bdev->data->fwname);
+ if (err < 0)
+ return err;
+
+ignore_setup_fw:
+ /* Query whether the device is already enabled */
+ err = readx_poll_timeout(btmtksdio_func_query, hdev, status,
+ status < 0 || status != BTMTK_WMT_ON_PROGRESS,
+ 2000, 5000000);
+ /* -ETIMEDOUT happens */
+ if (err < 0)
+ return err;
+
+ /* The other errors happen in btusb_mtk_func_query */
+ if (status < 0)
+ return status;
+
+ if (status == BTMTK_WMT_ON_DONE) {
+ bt_dev_info(hdev, "function already on");
+ goto ignore_func_on;
+ }
+
+ /* Enable Bluetooth protocol */
+ wmt_params.op = MTK_WMT_FUNC_CTRL;
+ wmt_params.flag = 0;
+ wmt_params.dlen = sizeof(param);
+ wmt_params.data = &param;
+ wmt_params.status = NULL;
+
+ err = mtk_hci_wmt_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
+ return err;
+ }
+
+ignore_func_on:
+ /* Apply the low power environment setup */
+ tci_sleep.mode = 0x5;
+ tci_sleep.duration = cpu_to_le16(0x640);
+ tci_sleep.host_duration = cpu_to_le16(0x640);
+ tci_sleep.host_wakeup_pin = 0;
+ tci_sleep.time_compensation = 0;
+
+ skb = __hci_cmd_sync(hdev, 0xfc7a, sizeof(tci_sleep), &tci_sleep,
+ HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "Failed to apply low power setting (%d)", err);
+ return err;
+ }
+ kfree_skb(skb);
+
+ rettime = ktime_get();
+ delta = ktime_sub(rettime, calltime);
+ duration = (unsigned long long)ktime_to_ns(delta) >> 10;
+
+ pm_runtime_set_autosuspend_delay(bdev->dev,
+ MTKBTSDIO_AUTOSUSPEND_DELAY);
+ pm_runtime_use_autosuspend(bdev->dev);
+
+ err = pm_runtime_set_active(bdev->dev);
+ if (err < 0)
+ return err;
+
+ /* Default forbid runtime auto suspend, that can be allowed by
+ * enable_autosuspend flag or the PM runtime entry under sysfs.
+ */
+ pm_runtime_forbid(bdev->dev);
+ pm_runtime_enable(bdev->dev);
+
+ if (enable_autosuspend)
+ pm_runtime_allow(bdev->dev);
+
+ bt_dev_info(hdev, "Device setup in %llu usecs", duration);
+
+ return 0;
+}
+
+static int btmtksdio_shutdown(struct hci_dev *hdev)
+{
+ struct btmtksdio_dev *bdev = hci_get_drvdata(hdev);
+ struct btmtk_hci_wmt_params wmt_params;
+ u8 param = 0x0;
+ int err;
+
+ /* Get back the state to be consistent with the state
+ * in btmtksdio_setup.
+ */
+ pm_runtime_get_sync(bdev->dev);
+
+ /* Disable the device */
+ wmt_params.op = MTK_WMT_FUNC_CTRL;
+ wmt_params.flag = 0;
+ wmt_params.dlen = sizeof(param);
+ wmt_params.data = &param;
+ wmt_params.status = NULL;
+
+ err = mtk_hci_wmt_sync(hdev, &wmt_params);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
+ return err;
+ }
+
+ pm_runtime_put_noidle(bdev->dev);
+ pm_runtime_disable(bdev->dev);
+
+ return 0;
+}
+
+static int btmtksdio_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct btmtksdio_dev *bdev = hci_get_drvdata(hdev);
+
+ switch (hci_skb_pkt_type(skb)) {
+ case HCI_COMMAND_PKT:
+ hdev->stat.cmd_tx++;
+ break;
+
+ case HCI_ACLDATA_PKT:
+ hdev->stat.acl_tx++;
+ break;
+
+ case HCI_SCODATA_PKT:
+ hdev->stat.sco_tx++;
+ break;
+
+ default:
+ return -EILSEQ;
+ }
+
+ skb_queue_tail(&bdev->txq, skb);
+
+ schedule_work(&bdev->tx_work);
+
+ return 0;
+}
+
+static int btmtksdio_probe(struct sdio_func *func,
+ const struct sdio_device_id *id)
+{
+ struct btmtksdio_dev *bdev;
+ struct hci_dev *hdev;
+ int err;
+
+ bdev = devm_kzalloc(&func->dev, sizeof(*bdev), GFP_KERNEL);
+ if (!bdev)
+ return -ENOMEM;
+
+ bdev->data = (void *)id->driver_data;
+ if (!bdev->data)
+ return -ENODEV;
+
+ bdev->dev = &func->dev;
+ bdev->func = func;
+
+ INIT_WORK(&bdev->tx_work, btmtksdio_tx_work);
+ skb_queue_head_init(&bdev->txq);
+
+ /* Initialize and register HCI device */
+ hdev = hci_alloc_dev();
+ if (!hdev) {
+ dev_err(&func->dev, "Can't allocate HCI device\n");
+ return -ENOMEM;
+ }
+
+ bdev->hdev = hdev;
+
+ hdev->bus = HCI_SDIO;
+ hci_set_drvdata(hdev, bdev);
+
+ hdev->open = btmtksdio_open;
+ hdev->close = btmtksdio_close;
+ hdev->flush = btmtksdio_flush;
+ hdev->setup = btmtksdio_setup;
+ hdev->shutdown = btmtksdio_shutdown;
+ hdev->send = btmtksdio_send_frame;
+ SET_HCIDEV_DEV(hdev, &func->dev);
+
+ hdev->manufacturer = 70;
+ set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
+
+ err = hci_register_dev(hdev);
+ if (err < 0) {
+ dev_err(&func->dev, "Can't register HCI device\n");
+ hci_free_dev(hdev);
+ return err;
+ }
+
+ sdio_set_drvdata(func, bdev);
+
+ /* pm_runtime_enable would be done after the firmware is being
+ * downloaded because the core layer probably already enables
+ * runtime PM for this func such as the case host->caps &
+ * MMC_CAP_POWER_OFF_CARD.
+ */
+ if (pm_runtime_enabled(bdev->dev))
+ pm_runtime_disable(bdev->dev);
+
+ /* As explaination in drivers/mmc/core/sdio_bus.c tells us:
+ * Unbound SDIO functions are always suspended.
+ * During probe, the function is set active and the usage count
+ * is incremented. If the driver supports runtime PM,
+ * it should call pm_runtime_put_noidle() in its probe routine and
+ * pm_runtime_get_noresume() in its remove routine.
+ *
+ * So, put a pm_runtime_put_noidle here !
+ */
+ pm_runtime_put_noidle(bdev->dev);
+
+ return 0;
+}
+
+static void btmtksdio_remove(struct sdio_func *func)
+{
+ struct btmtksdio_dev *bdev = sdio_get_drvdata(func);
+ struct hci_dev *hdev;
+
+ if (!bdev)
+ return;
+
+ /* Be consistent the state in btmtksdio_probe */
+ pm_runtime_get_noresume(bdev->dev);
+
+ hdev = bdev->hdev;
+
+ sdio_set_drvdata(func, NULL);
+ hci_unregister_dev(hdev);
+ hci_free_dev(hdev);
+}
+
+#ifdef CONFIG_PM
+static int btmtksdio_runtime_suspend(struct device *dev)
+{
+ struct sdio_func *func = dev_to_sdio_func(dev);
+ struct btmtksdio_dev *bdev;
+ u32 status;
+ int err;
+
+ bdev = sdio_get_drvdata(func);
+ if (!bdev)
+ return 0;
+
+ sdio_claim_host(bdev->func);
+
+ sdio_writel(bdev->func, C_FW_OWN_REQ_SET, MTK_REG_CHLPCR, &err);
+ if (err < 0)
+ goto out;
+
+ err = readx_poll_timeout(btmtksdio_drv_own_query, bdev, status,
+ !(status & C_COM_DRV_OWN), 2000, 1000000);
+out:
+ bt_dev_info(bdev->hdev, "status (%d) return ownership to device", err);
+
+ sdio_release_host(bdev->func);
+
+ return err;
+}
+
+static int btmtksdio_runtime_resume(struct device *dev)
+{
+ struct sdio_func *func = dev_to_sdio_func(dev);
+ struct btmtksdio_dev *bdev;
+ u32 status;
+ int err;
+
+ bdev = sdio_get_drvdata(func);
+ if (!bdev)
+ return 0;
+
+ sdio_claim_host(bdev->func);
+
+ sdio_writel(bdev->func, C_FW_OWN_REQ_CLR, MTK_REG_CHLPCR, &err);
+ if (err < 0)
+ goto out;
+
+ err = readx_poll_timeout(btmtksdio_drv_own_query, bdev, status,
+ status & C_COM_DRV_OWN, 2000, 1000000);
+out:
+ bt_dev_info(bdev->hdev, "status (%d) get ownership from device", err);
+
+ sdio_release_host(bdev->func);
+
+ return err;
+}
+
+static UNIVERSAL_DEV_PM_OPS(btmtksdio_pm_ops, btmtksdio_runtime_suspend,
+ btmtksdio_runtime_resume, NULL);
+#define BTMTKSDIO_PM_OPS (&btmtksdio_pm_ops)
+#else /* CONFIG_PM */
+#define BTMTKSDIO_PM_OPS NULL
+#endif /* CONFIG_PM */
+
+static struct sdio_driver btmtksdio_driver = {
+ .name = "btmtksdio",
+ .probe = btmtksdio_probe,
+ .remove = btmtksdio_remove,
+ .id_table = btmtksdio_table,
+ .drv = {
+ .owner = THIS_MODULE,
+ .pm = BTMTKSDIO_PM_OPS,
+ }
+};
+
+module_sdio_driver(btmtksdio_driver);
+
+module_param(enable_autosuspend, bool, 0644);
+MODULE_PARM_DESC(enable_autosuspend, "Enable autosuspend by default");
+
+MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>");
+MODULE_DESCRIPTION("MediaTek Bluetooth SDIO driver ver " VERSION);
+MODULE_VERSION(VERSION);
+MODULE_LICENSE("GPL");
+MODULE_FIRMWARE(FIRMWARE_MT7663);
+MODULE_FIRMWARE(FIRMWARE_MT7668);
diff --git a/drivers/bluetooth/btmtkuart.c b/drivers/bluetooth/btmtkuart.c
index b0b680dd69f4..f5dbeec8e274 100644
--- a/drivers/bluetooth/btmtkuart.c
+++ b/drivers/bluetooth/btmtkuart.c
@@ -661,7 +661,7 @@ static int btmtkuart_change_baudrate(struct hci_dev *hdev)
{
struct btmtkuart_dev *bdev = hci_get_drvdata(hdev);
struct btmtk_hci_wmt_params wmt_params;
- u32 baudrate;
+ __le32 baudrate;
u8 param;
int err;
diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index 612268574fc7..cc12eecd9e4d 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -336,7 +336,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
{
struct rome_config config;
int err;
- u8 rom_ver;
+ u8 rom_ver = 0;
bt_dev_dbg(hdev, "QCA setup on UART");
@@ -344,7 +344,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
/* Download rampatch file */
config.type = TLV_TYPE_PATCH;
- if (soc_type == QCA_WCN3990) {
+ if (qca_is_wcn399x(soc_type)) {
/* Firmware files to download are based on ROM version.
* ROM version is derived from last two bytes of soc_ver.
*/
@@ -365,7 +365,7 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
/* Download NVM configuration */
config.type = TLV_TYPE_NVM;
- if (soc_type == QCA_WCN3990)
+ if (qca_is_wcn399x(soc_type))
snprintf(config.fwname, sizeof(config.fwname),
"qca/crnv%02x.bin", rom_ver);
else
@@ -410,6 +410,7 @@ int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
}
EXPORT_SYMBOL_GPL(qca_set_bdaddr);
+
MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");
MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION);
MODULE_VERSION(VERSION);
diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h
index c72c56ea7480..4c4fe2b5b7b7 100644
--- a/drivers/bluetooth/btqca.h
+++ b/drivers/bluetooth/btqca.h
@@ -41,7 +41,7 @@
#define QCA_WCN3990_POWERON_PULSE 0xFC
#define QCA_WCN3990_POWEROFF_PULSE 0xC0
-enum qca_bardrate {
+enum qca_baudrate {
QCA_BAUDRATE_115200 = 0,
QCA_BAUDRATE_57600,
QCA_BAUDRATE_38400,
@@ -132,7 +132,8 @@ enum qca_btsoc_type {
QCA_INVALID = -1,
QCA_AR3002,
QCA_ROME,
- QCA_WCN3990
+ QCA_WCN3990,
+ QCA_WCN3998,
};
#if IS_ENABLED(CONFIG_BT_QCA)
@@ -142,6 +143,10 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
enum qca_btsoc_type soc_type, u32 soc_ver);
int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version);
int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
+static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
+{
+ return soc_type == QCA_WCN3990 || soc_type == QCA_WCN3998;
+}
#else
static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
@@ -165,4 +170,8 @@ static inline int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
return -EOPNOTSUPP;
}
+static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type)
+{
+ return false;
+}
#endif
diff --git a/drivers/bluetooth/btsdio.c b/drivers/bluetooth/btsdio.c
index 282d1af1d3ba..4cfa9abe03c8 100644
--- a/drivers/bluetooth/btsdio.c
+++ b/drivers/bluetooth/btsdio.c
@@ -376,20 +376,7 @@ static struct sdio_driver btsdio_driver = {
.id_table = btsdio_table,
};
-static int __init btsdio_init(void)
-{
- BT_INFO("Generic Bluetooth SDIO driver ver %s", VERSION);
-
- return sdio_register_driver(&btsdio_driver);
-}
-
-static void __exit btsdio_exit(void)
-{
- sdio_unregister_driver(&btsdio_driver);
-}
-
-module_init(btsdio_init);
-module_exit(btsdio_exit);
+module_sdio_driver(btsdio_driver);
MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
MODULE_DESCRIPTION("Generic Bluetooth SDIO driver ver " VERSION);
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index ddbe518c3e5b..b5d31d583d60 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -228,9 +228,15 @@ static int bcm_gpio_set_power(struct bcm_device *dev, bool powered)
int err;
if (powered && !dev->res_enabled) {
- err = regulator_bulk_enable(BCM_NUM_SUPPLIES, dev->supplies);
- if (err)
- return err;
+ /* Intel Macs use bcm_apple_get_resources() and don't
+ * have regulator supplies configured.
+ */
+ if (dev->supplies[0].supply) {
+ err = regulator_bulk_enable(BCM_NUM_SUPPLIES,
+ dev->supplies);
+ if (err)
+ return err;
+ }
/* LPO clock needs to be 32.768 kHz */
err = clk_set_rate(dev->lpo_clk, 32768);
@@ -259,7 +265,13 @@ static int bcm_gpio_set_power(struct bcm_device *dev, bool powered)
if (!powered && dev->res_enabled) {
clk_disable_unprepare(dev->txco_clk);
clk_disable_unprepare(dev->lpo_clk);
- regulator_bulk_disable(BCM_NUM_SUPPLIES, dev->supplies);
+
+ /* Intel Macs use bcm_apple_get_resources() and don't
+ * have regulator supplies configured.
+ */
+ if (dev->supplies[0].supply)
+ regulator_bulk_disable(BCM_NUM_SUPPLIES,
+ dev->supplies);
}
/* wait for device to power on and come out of reset */
diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c
index 069d1c8fde73..3f02ae560120 100644
--- a/drivers/bluetooth/hci_h5.c
+++ b/drivers/bluetooth/hci_h5.c
@@ -536,7 +536,7 @@ static void h5_unslip_one_byte(struct h5 *h5, unsigned char c)
skb_put_data(h5->rx_skb, byte, 1);
h5->rx_pending--;
- BT_DBG("unsliped 0x%02hhx, rx_pending %zu", *byte, h5->rx_pending);
+ BT_DBG("unslipped 0x%02hhx, rx_pending %zu", *byte, h5->rx_pending);
}
static void h5_reset_rx(struct h5 *h5)
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 237aea34b69f..57322c42bb2d 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -54,9 +54,6 @@
#define HCI_IBS_WAKE_ACK 0xFC
#define HCI_MAX_IBS_SIZE 10
-/* Controller states */
-#define STATE_IN_BAND_SLEEP_ENABLED 1
-
#define IBS_WAKE_RETRANS_TIMEOUT_MS 100
#define IBS_TX_IDLE_TIMEOUT_MS 2000
#define CMD_TRANS_TIMEOUT_MS 100
@@ -67,6 +64,10 @@
/* Controller debug log header */
#define QCA_DEBUG_HANDLE 0x2EDC
+enum qca_flags {
+ QCA_IBS_ENABLED,
+};
+
/* HCI_IBS transmit side sleep protocol states */
enum tx_ibs_states {
HCI_IBS_TX_ASLEEP,
@@ -174,6 +175,21 @@ static int qca_power_setup(struct hci_uart *hu, bool on);
static void qca_power_shutdown(struct hci_uart *hu);
static int qca_power_off(struct hci_dev *hdev);
+static enum qca_btsoc_type qca_soc_type(struct hci_uart *hu)
+{
+ enum qca_btsoc_type soc_type;
+
+ if (hu->serdev) {
+ struct qca_serdev *qsd = serdev_device_get_drvdata(hu->serdev);
+
+ soc_type = qsd->btsoc_type;
+ } else {
+ soc_type = QCA_ROME;
+ }
+
+ return soc_type;
+}
+
static void __serial_clock_on(struct tty_struct *tty)
{
/* TODO: Some chipset requires to enable UART clock on client
@@ -506,8 +522,10 @@ static int qca_open(struct hci_uart *hu)
if (hu->serdev) {
qcadev = serdev_device_get_drvdata(hu->serdev);
- if (qcadev->btsoc_type != QCA_WCN3990) {
+ if (!qca_is_wcn399x(qcadev->btsoc_type)) {
gpiod_set_value_cansleep(qcadev->bt_en, 1);
+ /* Controller needs time to bootup. */
+ msleep(150);
} else {
hu->init_speed = qcadev->init_speed;
hu->oper_speed = qcadev->oper_speed;
@@ -612,7 +630,7 @@ static int qca_close(struct hci_uart *hu)
if (hu->serdev) {
qcadev = serdev_device_get_drvdata(hu->serdev);
- if (qcadev->btsoc_type == QCA_WCN3990)
+ if (qca_is_wcn399x(qcadev->btsoc_type))
qca_power_shutdown(hu);
else
gpiod_set_value_cansleep(qcadev->bt_en, 0);
@@ -775,7 +793,7 @@ static int qca_enqueue(struct hci_uart *hu, struct sk_buff *skb)
/* Don't go to sleep in middle of patch download or
* Out-Of-Band(GPIOs control) sleep is selected.
*/
- if (!test_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags)) {
+ if (!test_bit(QCA_IBS_ENABLED, &qca->flags)) {
skb_queue_tail(&qca->txq, skb);
spin_unlock_irqrestore(&qca->hci_ibs_lock, flags);
return 0;
@@ -963,7 +981,6 @@ static int qca_set_baudrate(struct hci_dev *hdev, uint8_t baudrate)
{
struct hci_uart *hu = hci_get_drvdata(hdev);
struct qca_data *qca = hu->priv;
- struct qca_serdev *qcadev;
struct sk_buff *skb;
u8 cmd[] = { 0x01, 0x48, 0xFC, 0x01, 0x00 };
@@ -985,18 +1002,17 @@ static int qca_set_baudrate(struct hci_dev *hdev, uint8_t baudrate)
skb_queue_tail(&qca->txq, skb);
hci_uart_tx_wakeup(hu);
- qcadev = serdev_device_get_drvdata(hu->serdev);
-
/* Wait for the baudrate change request to be sent */
while (!skb_queue_empty(&qca->txq))
usleep_range(100, 200);
- serdev_device_wait_until_sent(hu->serdev,
+ if (hu->serdev)
+ serdev_device_wait_until_sent(hu->serdev,
msecs_to_jiffies(CMD_TRANS_TIMEOUT_MS));
/* Give the controller time to process the request */
- if (qcadev->btsoc_type == QCA_WCN3990)
+ if (qca_is_wcn399x(qca_soc_type(hu)))
msleep(10);
else
msleep(300);
@@ -1072,10 +1088,7 @@ static unsigned int qca_get_speed(struct hci_uart *hu,
static int qca_check_speeds(struct hci_uart *hu)
{
- struct qca_serdev *qcadev;
-
- qcadev = serdev_device_get_drvdata(hu->serdev);
- if (qcadev->btsoc_type == QCA_WCN3990) {
+ if (qca_is_wcn399x(qca_soc_type(hu))) {
if (!qca_get_speed(hu, QCA_INIT_SPEED) &&
!qca_get_speed(hu, QCA_OPER_SPEED))
return -EINVAL;
@@ -1091,7 +1104,6 @@ static int qca_check_speeds(struct hci_uart *hu)
static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
{
unsigned int speed, qca_baudrate;
- struct qca_serdev *qcadev;
int ret = 0;
if (speed_type == QCA_INIT_SPEED) {
@@ -1099,6 +1111,8 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
if (speed)
host_set_baudrate(hu, speed);
} else {
+ enum qca_btsoc_type soc_type = qca_soc_type(hu);
+
speed = qca_get_speed(hu, QCA_OPER_SPEED);
if (!speed)
return 0;
@@ -1106,8 +1120,7 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
/* Disable flow control for wcn3990 to deassert RTS while
* changing the baudrate of chip and host.
*/
- qcadev = serdev_device_get_drvdata(hu->serdev);
- if (qcadev->btsoc_type == QCA_WCN3990)
+ if (qca_is_wcn399x(soc_type))
hci_uart_set_flow_control(hu, true);
qca_baudrate = qca_get_baudrate_value(speed);
@@ -1119,7 +1132,7 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
host_set_baudrate(hu, speed);
error:
- if (qcadev->btsoc_type == QCA_WCN3990)
+ if (qca_is_wcn399x(soc_type))
hci_uart_set_flow_control(hu, false);
}
@@ -1181,20 +1194,18 @@ static int qca_setup(struct hci_uart *hu)
struct hci_dev *hdev = hu->hdev;
struct qca_data *qca = hu->priv;
unsigned int speed, qca_baudrate = QCA_BAUDRATE_115200;
- struct qca_serdev *qcadev;
+ enum qca_btsoc_type soc_type = qca_soc_type(hu);
int ret;
int soc_ver = 0;
- qcadev = serdev_device_get_drvdata(hu->serdev);
-
ret = qca_check_speeds(hu);
if (ret)
return ret;
/* Patch downloading has to be done without IBS mode */
- clear_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags);
+ clear_bit(QCA_IBS_ENABLED, &qca->flags);
- if (qcadev->btsoc_type == QCA_WCN3990) {
+ if (qca_is_wcn399x(soc_type)) {
bt_dev_info(hdev, "setting up wcn3990");
/* Enable NON_PERSISTENT_SETUP QUIRK to ensure to execute
@@ -1225,7 +1236,7 @@ static int qca_setup(struct hci_uart *hu)
qca_baudrate = qca_get_baudrate_value(speed);
}
- if (qcadev->btsoc_type != QCA_WCN3990) {
+ if (!qca_is_wcn399x(soc_type)) {
/* Get QCA version information */
ret = qca_read_soc_version(hdev, &soc_ver);
if (ret)
@@ -1234,9 +1245,9 @@ static int qca_setup(struct hci_uart *hu)
bt_dev_info(hdev, "QCA controller version 0x%08x", soc_ver);
/* Setup patch / NVM configurations */
- ret = qca_uart_setup(hdev, qca_baudrate, qcadev->btsoc_type, soc_ver);
+ ret = qca_uart_setup(hdev, qca_baudrate, soc_type, soc_ver);
if (!ret) {
- set_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags);
+ set_bit(QCA_IBS_ENABLED, &qca->flags);
qca_debugfs_init(hdev);
} else if (ret == -ENOENT) {
/* No patch/nvm-config found, run with original fw/config */
@@ -1250,7 +1261,7 @@ static int qca_setup(struct hci_uart *hu)
}
/* Setup bdaddr */
- if (qcadev->btsoc_type == QCA_WCN3990)
+ if (qca_is_wcn399x(soc_type))
hu->hdev->set_bdaddr = qca_set_bdaddr;
else
hu->hdev->set_bdaddr = qca_set_bdaddr_rome;
@@ -1273,7 +1284,7 @@ static struct hci_uart_proto qca_proto = {
.dequeue = qca_dequeue,
};
-static const struct qca_vreg_data qca_soc_data = {
+static const struct qca_vreg_data qca_soc_data_wcn3990 = {
.soc_type = QCA_WCN3990,
.vregs = (struct qca_vreg []) {
{ "vddio", 1800000, 1900000, 15000 },
@@ -1284,6 +1295,17 @@ static const struct qca_vreg_data qca_soc_data = {
.num_vregs = 4,
};
+static const struct qca_vreg_data qca_soc_data_wcn3998 = {
+ .soc_type = QCA_WCN3998,
+ .vregs = (struct qca_vreg []) {
+ { "vddio", 1800000, 1900000, 10000 },
+ { "vddxo", 1800000, 1900000, 80000 },
+ { "vddrf", 1300000, 1352000, 300000 },
+ { "vddch0", 3300000, 3300000, 450000 },
+ },
+ .num_vregs = 4,
+};
+
static void qca_power_shutdown(struct hci_uart *hu)
{
struct qca_data *qca = hu->priv;
@@ -1294,7 +1316,7 @@ static void qca_power_shutdown(struct hci_uart *hu)
* data in skb's.
*/
spin_lock_irqsave(&qca->hci_ibs_lock, flags);
- clear_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags);
+ clear_bit(QCA_IBS_ENABLED, &qca->flags);
qca_flush(hu);
spin_unlock_irqrestore(&qca->hci_ibs_lock, flags);
@@ -1417,8 +1439,8 @@ static int qca_serdev_probe(struct serdev_device *serdev)
qcadev->serdev_hu.serdev = serdev;
data = of_device_get_match_data(&serdev->dev);
serdev_device_set_drvdata(serdev, qcadev);
- if (data && data->soc_type == QCA_WCN3990) {
- qcadev->btsoc_type = QCA_WCN3990;
+ if (data && qca_is_wcn399x(data->soc_type)) {
+ qcadev->btsoc_type = data->soc_type;
qcadev->bt_power = devm_kzalloc(&serdev->dev,
sizeof(struct qca_power),
GFP_KERNEL);
@@ -1482,7 +1504,7 @@ static void qca_serdev_remove(struct serdev_device *serdev)
{
struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev);
- if (qcadev->btsoc_type == QCA_WCN3990)
+ if (qca_is_wcn399x(qcadev->btsoc_type))
qca_power_shutdown(&qcadev->serdev_hu);
else
clk_disable_unprepare(qcadev->susclk);
@@ -1492,7 +1514,8 @@ static void qca_serdev_remove(struct serdev_device *serdev)
static const struct of_device_id qca_bluetooth_of_match[] = {
{ .compatible = "qcom,qca6174-bt" },
- { .compatible = "qcom,wcn3990-bt", .data = &qca_soc_data},
+ { .compatible = "qcom,wcn3990-bt", .data = &qca_soc_data_wcn3990},
+ { .compatible = "qcom,wcn3998-bt", .data = &qca_soc_data_wcn3998},
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, qca_bluetooth_of_match);
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index 0dce94e3c495..744b6ec0acb0 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -42,7 +42,7 @@
#include <net/neighbour.h>
#include <net/route.h>
#include <net/netevent.h>
-#include <net/addrconf.h>
+#include <net/ipv6_stubs.h>
#include <net/ip6_route.h>
#include <rdma/ib_addr.h>
#include <rdma/ib_sa.h>
@@ -86,8 +86,8 @@ static inline bool ib_nl_is_good_ip_resp(const struct nlmsghdr *nlh)
if (nlh->nlmsg_flags & RDMA_NL_LS_F_ERR)
return false;
- ret = nla_parse(tb, LS_NLA_TYPE_MAX - 1, nlmsg_data(nlh),
- nlmsg_len(nlh), ib_nl_addr_policy, NULL);
+ ret = nla_parse_deprecated(tb, LS_NLA_TYPE_MAX - 1, nlmsg_data(nlh),
+ nlmsg_len(nlh), ib_nl_addr_policy, NULL);
if (ret)
return false;
@@ -351,7 +351,7 @@ static bool has_gateway(const struct dst_entry *dst, sa_family_t family)
if (family == AF_INET) {
rt = container_of(dst, struct rtable, dst);
- return rt->rt_uses_gateway;
+ return rt->rt_gw_family == AF_INET;
}
rt6 = container_of(dst, struct rt6_info, dst);
diff --git a/drivers/infiniband/core/iwpm_util.c b/drivers/infiniband/core/iwpm_util.c
index a5d2a20ee697..41929bb83739 100644
--- a/drivers/infiniband/core/iwpm_util.c
+++ b/drivers/infiniband/core/iwpm_util.c
@@ -506,14 +506,14 @@ int iwpm_parse_nlmsg(struct netlink_callback *cb, int policy_max,
int ret;
const char *err_str = "";
- ret = nlmsg_validate(cb->nlh, nlh_len, policy_max - 1, nlmsg_policy,
- NULL);
+ ret = nlmsg_validate_deprecated(cb->nlh, nlh_len, policy_max - 1,
+ nlmsg_policy, NULL);
if (ret) {
err_str = "Invalid attribute";
goto parse_nlmsg_error;
}
- ret = nlmsg_parse(cb->nlh, nlh_len, nltb, policy_max - 1,
- nlmsg_policy, NULL);
+ ret = nlmsg_parse_deprecated(cb->nlh, nlh_len, nltb, policy_max - 1,
+ nlmsg_policy, NULL);
if (ret) {
err_str = "Unable to parse the nlmsg";
goto parse_nlmsg_error;
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c
index 11ed58d3fce5..85324012bf07 100644
--- a/drivers/infiniband/core/nldev.c
+++ b/drivers/infiniband/core/nldev.c
@@ -292,7 +292,8 @@ static int fill_res_info_entry(struct sk_buff *msg,
{
struct nlattr *entry_attr;
- entry_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY);
+ entry_attr = nla_nest_start_noflag(msg,
+ RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY);
if (!entry_attr)
return -EMSGSIZE;
@@ -327,7 +328,7 @@ static int fill_res_info(struct sk_buff *msg, struct ib_device *device)
if (fill_nldev_handle(msg, device))
return -EMSGSIZE;
- table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_RES_SUMMARY);
+ table_attr = nla_nest_start_noflag(msg, RDMA_NLDEV_ATTR_RES_SUMMARY);
if (!table_attr)
return -EMSGSIZE;
@@ -607,8 +608,8 @@ static int nldev_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
u32 index;
int err;
- err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
if (err || !tb[RDMA_NLDEV_ATTR_DEV_INDEX])
return -EINVAL;
@@ -652,8 +653,8 @@ static int nldev_set_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
u32 index;
int err;
- err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, nldev_policy,
- extack);
+ err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
if (err || !tb[RDMA_NLDEV_ATTR_DEV_INDEX])
return -EINVAL;
@@ -721,8 +722,8 @@ static int nldev_port_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
u32 port;
int err;
- err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
if (err ||
!tb[RDMA_NLDEV_ATTR_DEV_INDEX] ||
!tb[RDMA_NLDEV_ATTR_PORT_INDEX])
@@ -777,8 +778,8 @@ static int nldev_port_get_dumpit(struct sk_buff *skb,
int err;
unsigned int p;
- err = nlmsg_parse(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, NULL);
+ err = nlmsg_parse_deprecated(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, NULL);
if (err || !tb[RDMA_NLDEV_ATTR_DEV_INDEX])
return -EINVAL;
@@ -832,8 +833,8 @@ static int nldev_res_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
u32 index;
int ret;
- ret = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ ret = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
if (ret || !tb[RDMA_NLDEV_ATTR_DEV_INDEX])
return -EINVAL;
@@ -981,8 +982,8 @@ static int res_get_common_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
struct sk_buff *msg;
int ret;
- ret = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ ret = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
if (ret || !tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !fe->id || !tb[fe->id])
return -EINVAL;
@@ -1070,8 +1071,8 @@ static int res_get_common_dumpit(struct sk_buff *skb,
u32 index, port = 0;
bool filled = false;
- err = nlmsg_parse(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, NULL);
+ err = nlmsg_parse_deprecated(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, NULL);
/*
* Right now, we are expecting the device index to get res information,
* but it is possible to extend this code to return all devices in
@@ -1108,7 +1109,7 @@ static int res_get_common_dumpit(struct sk_buff *skb,
goto err;
}
- table_attr = nla_nest_start(skb, fe->nldev_attr);
+ table_attr = nla_nest_start_noflag(skb, fe->nldev_attr);
if (!table_attr) {
ret = -EMSGSIZE;
goto err;
@@ -1134,7 +1135,7 @@ static int res_get_common_dumpit(struct sk_buff *skb,
filled = true;
- entry_attr = nla_nest_start(skb, fe->entry);
+ entry_attr = nla_nest_start_noflag(skb, fe->entry);
if (!entry_attr) {
ret = -EMSGSIZE;
rdma_restrack_put(res);
@@ -1249,8 +1250,8 @@ static int nldev_newlink(struct sk_buff *skb, struct nlmsghdr *nlh,
char type[IFNAMSIZ];
int err;
- err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
if (err || !tb[RDMA_NLDEV_ATTR_DEV_NAME] ||
!tb[RDMA_NLDEV_ATTR_LINK_TYPE] || !tb[RDMA_NLDEV_ATTR_NDEV_NAME])
return -EINVAL;
@@ -1293,8 +1294,8 @@ static int nldev_dellink(struct sk_buff *skb, struct nlmsghdr *nlh,
u32 index;
int err;
- err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
if (err || !tb[RDMA_NLDEV_ATTR_DEV_INDEX])
return -EINVAL;
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index 7925e45ea88a..bb534959abf0 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -1028,8 +1028,8 @@ int ib_nl_handle_set_timeout(struct sk_buff *skb,
!(NETLINK_CB(skb).sk))
return -EPERM;
- ret = nla_parse(tb, LS_NLA_TYPE_MAX - 1, nlmsg_data(nlh),
- nlmsg_len(nlh), ib_nl_policy, NULL);
+ ret = nla_parse_deprecated(tb, LS_NLA_TYPE_MAX - 1, nlmsg_data(nlh),
+ nlmsg_len(nlh), ib_nl_policy, NULL);
attr = (const struct nlattr *)tb[LS_NLA_TYPE_TIMEOUT];
if (ret || !attr)
goto settimeout_out;
@@ -1080,8 +1080,8 @@ static inline int ib_nl_is_good_resolve_resp(const struct nlmsghdr *nlh)
if (nlh->nlmsg_flags & RDMA_NL_LS_F_ERR)
return 0;
- ret = nla_parse(tb, LS_NLA_TYPE_MAX - 1, nlmsg_data(nlh),
- nlmsg_len(nlh), ib_nl_policy, NULL);
+ ret = nla_parse_deprecated(tb, LS_NLA_TYPE_MAX - 1, nlmsg_data(nlh),
+ nlmsg_len(nlh), ib_nl_policy, NULL);
if (ret)
return 0;
diff --git a/drivers/infiniband/hw/cxgb4/restrack.c b/drivers/infiniband/hw/cxgb4/restrack.c
index 9a7520ee41e0..f82d46ed969d 100644
--- a/drivers/infiniband/hw/cxgb4/restrack.c
+++ b/drivers/infiniband/hw/cxgb4/restrack.c
@@ -149,7 +149,7 @@ static int fill_res_qp_entry(struct sk_buff *msg,
if (qhp->ucontext)
return 0;
- table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_DRIVER);
+ table_attr = nla_nest_start_noflag(msg, RDMA_NLDEV_ATTR_DRIVER);
if (!table_attr)
goto err;
@@ -216,7 +216,7 @@ static int fill_res_ep_entry(struct sk_buff *msg,
if (!uep)
return 0;
- table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_DRIVER);
+ table_attr = nla_nest_start_noflag(msg, RDMA_NLDEV_ATTR_DRIVER);
if (!table_attr)
goto err_free_uep;
@@ -387,7 +387,7 @@ static int fill_res_cq_entry(struct sk_buff *msg,
if (ibcq->uobject)
return 0;
- table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_DRIVER);
+ table_attr = nla_nest_start_noflag(msg, RDMA_NLDEV_ATTR_DRIVER);
if (!table_attr)
goto err;
@@ -447,7 +447,7 @@ static int fill_res_mr_entry(struct sk_buff *msg,
if (!stag)
return 0;
- table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_DRIVER);
+ table_attr = nla_nest_start_noflag(msg, RDMA_NLDEV_ATTR_DRIVER);
if (!table_attr)
goto err;
diff --git a/drivers/infiniband/hw/hfi1/vnic_main.c b/drivers/infiniband/hw/hfi1/vnic_main.c
index a922db58be14..2b07032dbdda 100644
--- a/drivers/infiniband/hw/hfi1/vnic_main.c
+++ b/drivers/infiniband/hw/hfi1/vnic_main.c
@@ -423,8 +423,7 @@ tx_finish:
static u16 hfi1_vnic_select_queue(struct net_device *netdev,
struct sk_buff *skb,
- struct net_device *sb_dev,
- select_queue_fallback_t fallback)
+ struct net_device *sb_dev)
{
struct hfi1_vnic_vport_info *vinfo