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2020-09-25drivers/net/ethernet: remove incorrectly formatted docJesse Brandeburg3-15/+15
As part of the W=1 series for ethernet, these drivers were discovered to be using kdoc style comments but were not actually doing kdoc. The kernel uses kdoc style when documenting code, not doxygen or other styles. Fixed Warnings: drivers/net/ethernet/amazon/ena/ena_com.c:613: warning: Function parameter or member 'ena_dev' not described in 'ena_com_set_llq' drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c:1540: warning: Cannot understand * @brief Set VLAN filter table drivers/net/ethernet/xilinx/ll_temac_main.c:114: warning: Function parameter or member 'lp' not described in 'temac_indirect_busywait' drivers/net/ethernet/xilinx/ll_temac_main.c:129: warning: Function parameter or member 'lp' not described in 'temac_indirect_in32' drivers/net/ethernet/xilinx/ll_temac_main.c:129: warning: Function parameter or member 'reg' not described in 'temac_indirect_in32' drivers/net/ethernet/xilinx/ll_temac_main.c:147: warning: Function parameter or member 'lp' not described in 'temac_indirect_in32_locked' drivers/net/ethernet/xilinx/ll_temac_main.c:147: warning: Function parameter or member 'reg' not described in 'temac_indirect_in32_locked' drivers/net/ethernet/xilinx/ll_temac_main.c:172: warning: Function parameter or member 'lp' not described in 'temac_indirect_out32' drivers/net/ethernet/xilinx/ll_temac_main.c:172: warning: Function parameter or member 'reg' not described in 'temac_indirect_out32' drivers/net/ethernet/xilinx/ll_temac_main.c:172: warning: Function parameter or member 'value' not described in 'temac_indirect_out32' drivers/net/ethernet/xilinx/ll_temac_main.c:188: warning: Function parameter or member 'lp' not described in 'temac_indirect_out32_locked' drivers/net/ethernet/xilinx/ll_temac_main.c:188: warning: Function parameter or member 'reg' not described in 'temac_indirect_out32_locked' drivers/net/ethernet/xilinx/ll_temac_main.c:188: warning: Function parameter or member 'value' not described in 'temac_indirect_out32_locked' drivers/net/ethernet/xilinx/ll_temac_main.c:212: warning: Function parameter or member 'lp' not described in 'temac_dma_in32_be' drivers/net/ethernet/xilinx/ll_temac_main.c:212: warning: Function parameter or member 'reg' not described in 'temac_dma_in32_be' drivers/net/ethernet/xilinx/ll_temac_main.c:228: warning: Function parameter or member 'lp' not described in 'temac_dma_out32_be' drivers/net/ethernet/xilinx/ll_temac_main.c:228: warning: Function parameter or member 'reg' not described in 'temac_dma_out32_be' drivers/net/ethernet/xilinx/ll_temac_main.c:228: warning: Function parameter or member 'value' not described in 'temac_dma_out32_be' drivers/net/ethernet/xilinx/ll_temac_main.c:247: warning: Function parameter or member 'lp' not described in 'temac_dma_dcr_in' drivers/net/ethernet/xilinx/ll_temac_main.c:247: warning: Function parameter or member 'reg' not described in 'temac_dma_dcr_in' drivers/net/ethernet/xilinx/ll_temac_main.c:255: warning: Function parameter or member 'lp' not described in 'temac_dma_dcr_out' drivers/net/ethernet/xilinx/ll_temac_main.c:255: warning: Function parameter or member 'reg' not described in 'temac_dma_dcr_out' drivers/net/ethernet/xilinx/ll_temac_main.c:255: warning: Function parameter or member 'value' not described in 'temac_dma_dcr_out' drivers/net/ethernet/xilinx/ll_temac_main.c:265: warning: Function parameter or member 'lp' not described in 'temac_dcr_setup' drivers/net/ethernet/xilinx/ll_temac_main.c:265: warning: Function parameter or member 'op' not described in 'temac_dcr_setup' drivers/net/ethernet/xilinx/ll_temac_main.c:265: warning: Function parameter or member 'np' not described in 'temac_dcr_setup' drivers/net/ethernet/xilinx/ll_temac_main.c:300: warning: Function parameter or member 'ndev' not described in 'temac_dma_bd_release' drivers/net/ethernet/xilinx/ll_temac_main.c:330: warning: Function parameter or member 'ndev' not described in 'temac_dma_bd_init' drivers/net/ethernet/xilinx/ll_temac_main.c:600: warning: Function parameter or member 'ndev' not described in 'temac_setoptions' drivers/net/ethernet/xilinx/ll_temac_main.c:600: warning: Function parameter or member 'options' not described in 'temac_setoptions' Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-25drivers/net/ethernet: add some basic kdoc tagsJesse Brandeburg2-2/+2
A couple of drivers had a "generic documentation" section that would trigger a "can't understand" message from W=1 compiles. Fix by using correct DOC: tags in the generic sections. Fixed Warnings: drivers/net/ethernet/arc/emac_arc.c:4: info: Scanning doc for c drivers/net/ethernet/cadence/macb_pci.c:3: warning: missing initial short description on line: * Cadence GEM PCI wrapper. drivers/net/ethernet/cadence/macb_pci.c:3: info: Scanning doc for Cadence Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-25drivers/net/ethernet: handle one warning explicitlyJesse Brandeburg1-0/+10
While fixing the W=1 builds, this warning came up because the developers used a very tricky way to get structures initialized to a non-zero value, but this causes GCC to warn about an override. In this case the override was intentional, so just disable the warning for this code with a kernel macro that results in disabling the warning for compiles on GCC versions after 8. It is not appropriate to change the struct to initialize all the values as it will just add a lot more code for no value. The code is completely correct as is, we just want to acknowledge that this code could generate a warning and we're ok with that. NOTE: the __diag_ignore macro currently only accepts a second argument of 8 (version 80000), it's either use this one or open code the pragma. Fixed Warnings example (all the same): drivers/net/ethernet/renesas/sh_eth.c:51:12: warning: initialized field overwritten [-Woverride-init] drivers/net/ethernet/renesas/sh_eth.c:52:12: warning: initialized field overwritten [-Woverride-init] drivers/net/ethernet/renesas/sh_eth.c:53:13: warning: initialized field overwritten [-Woverride-init] + 256 more... Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-25drivers/net/ethernet: rid ethernet of no-prototype warningsJesse Brandeburg2-0/+2
The W=1 builds showed a few files exporting functions (non-static) that were not prototyped. What actually happened is that there were prototypes, but the include file was forgotten in the implementation file. Add the include file and remove the warnings. Fixed Warnings: drivers/net/ethernet/cavium/liquidio/cn68xx_device.c:124:5: warning: no previous prototype for ‘lio_setup_cn68xx_octeon_device’ [-Wmissing-prototypes] drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.c:159:1: warning: no previous prototype for ‘octeon_pci_read_core_mem’ [-Wmissing-prototypes] drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.c:168:1: warning: no previous prototype for ‘octeon_pci_write_core_mem’ [-Wmissing-prototypes] drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.c:176:5: warning: no previous prototype for ‘octeon_read_device_mem64’ [-Wmissing-prototypes] drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.c:185:5: warning: no previous prototype for ‘octeon_read_device_mem32’ [-Wmissing-prototypes] drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.c:194:6: warning: no previous prototype for ‘octeon_write_device_mem32’ [-Wmissing-prototypes] drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c:453:6: warning: no previous prototype for ‘hclge_dcb_ops_set’ [-Wmissing-prototypes] Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-25drivers/net/ethernet: clean up unused assignmentsJesse Brandeburg15-84/+37
As part of the W=1 compliation series, these lines all created warnings about unused variables that were assigned a value. Most of them are from register reads, but some are just picking up a return value from a function and never doing anything with it. Fixed warnings: .../ethernet/brocade/bna/bnad.c:3280:6: warning: variable ‘rx_count’ set but not used [-Wunused-but-set-variable] .../ethernet/brocade/bna/bnad.c:3280:6: warning: variable ‘rx_count’ set but not used [-Wunused-but-set-variable] .../ethernet/cortina/gemini.c:512:6: warning: variable ‘val’ set but not used [-Wunused-but-set-variable] .../ethernet/cortina/gemini.c:2110:21: warning: variable ‘config0’ set but not used [-Wunused-but-set-variable] .../ethernet/cavium/liquidio/octeon_device.c:1327:6: warning: variable ‘val32’ set but not used [-Wunused-but-set-variable] .../ethernet/cavium/liquidio/octeon_device.c:1358:6: warning: variable ‘val32’ set but not used [-Wunused-but-set-variable] .../ethernet/dec/tulip/media.c:322:8: warning: variable ‘setup’ set but not used [-Wunused-but-set-variable] .../ethernet/dec/tulip/de4x5.c:4928:13: warning: variable ‘r3’ set but not used [-Wunused-but-set-variable] .../ethernet/micrel/ksz884x.c:1652:7: warning: variable ‘dummy’ set but not used [-Wunused-but-set-variable] .../ethernet/micrel/ksz884x.c:1652:7: warning: variable ‘dummy’ set but not used [-Wunused-but-set-variable] .../ethernet/micrel/ksz884x.c:1652:7: warning: variable ‘dummy’ set but not used [-Wunused-but-set-variable] .../ethernet/micrel/ksz884x.c:1652:7: warning: variable ‘dummy’ set but not used [-Wunused-but-set-variable] .../ethernet/micrel/ksz884x.c:4981:6: warning: variable ‘rx_status’ set but not used [-Wunused-but-set-variable] .../ethernet/micrel/ksz884x.c:6510:6: warning: variable ‘rc’ set but not used [-Wunused-but-set-variable] .../ethernet/micrel/ksz884x.c:6087: warning: cannot understand function prototype: 'struct hw_regs ' .../ethernet/microchip/lan743x_main.c:161:6: warning: variable ‘int_en’ set but not used [-Wunused-but-set-variable] .../ethernet/microchip/lan743x_main.c:1702:6: warning: variable ‘int_sts’ set but not used [-Wunused-but-set-variable] .../ethernet/microchip/lan743x_main.c:3041:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable] .../ethernet/natsemi/ns83820.c:603:6: warning: variable ‘tbisr’ set but not used [-Wunused-but-set-variable] .../ethernet/natsemi/ns83820.c:1207:11: warning: variable ‘tanar’ set but not used [-Wunused-but-set-variable] .../ethernet/marvell/mvneta.c:754:6: warning: variable ‘dummy’ set but not used [-Wunused-but-set-variable] .../ethernet/neterion/vxge/vxge-traffic.c:33:6: warning: variable ‘val64’ set but not used [-Wunused-but-set-variable] .../ethernet/neterion/vxge/vxge-traffic.c:160:6: warning: variable ‘val64’ set but not used [-Wunused-but-set-variable] .../ethernet/neterion/vxge/vxge-traffic.c:490:6: warning: variable ‘val32’ set but not used [-Wunused-but-set-variable] .../ethernet/neterion/vxge/vxge-traffic.c:2378:6: warning: variable ‘val64’ set but not used [-Wunused-but-set-variable] .../ethernet/packetengines/yellowfin.c:1063:18: warning: variable ‘yf_size’ set but not used [-Wunused-but-set-variable] .../ethernet/realtek/8139cp.c:1242:6: warning: variable ‘rc’ set but not used [-Wunused-but-set-variable] .../ethernet/mellanox/mlx4/en_tx.c:858:6: warning: variable ‘ring_cons’ set but not used [-Wunused-but-set-variable] .../ethernet/sis/sis900.c:792:6: warning: variable ‘status’ set but not used [-Wunused-but-set-variable] .../ethernet/sfc/falcon/farch.c:878:11: warning: variable ‘rx_ev_pkt_type’ set but not used [-Wunused-but-set-variable] .../ethernet/sfc/falcon/farch.c:877:23: warning: variable ‘rx_ev_mcast_pkt’ set but not used [-Wunused-but-set-variable] .../ethernet/sfc/falcon/farch.c:877:7: warning: variable ‘rx_ev_hdr_type’ set but not used [-Wunused-but-set-variable] .../ethernet/sfc/falcon/farch.c:876:7: warning: variable ‘rx_ev_other_err’ set but not used [-Wunused-but-set-variable] .../ethernet/sfc/falcon/farch.c:1646:21: warning: variable ‘buftbl_min’ set but not used [-Wunused-but-set-variable] .../ethernet/sfc/falcon/farch.c:2535:32: warning: variable ‘spec’ set but not used [-Wunused-but-set-variable] .../ethernet/via/via-velocity.c:880:6: warning: variable ‘curr_status’ set but not used [-Wunused-but-set-variable] .../ethernet/ti/tlan.c:656:6: warning: variable ‘rc’ set but not used [-Wunused-but-set-variable] .../ethernet/ti/davinci_emac.c:1230:6: warning: variable ‘num_tx_pkts’ set but not used [-Wunused-but-set-variable] .../ethernet/synopsys/dwc-xlgmac-common.c:516:8: warning: variable ‘str’ set but not used [-Wunused-but-set-variable] .../ethernet/ti/cpsw_new.c:1662:22: warning: variable ‘priv’ set but not used [-Wunused-but-set-variable] The register reads should be OK, because the current implementation of readl and friends will always execute even without an lvalue. When it makes sense, just remove the lvalue assignment and the local. Other times, just remove the offending code, and occasionally, just mark the variable as maybe unused since it could be used in an ifdef or debug scenario. Only compile tested with W=1. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Acked-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-25intel: handle unused assignmentsJesse Brandeburg3-149/+131
Remove variables that were storing a return value from a register read or other read, where the return value wasn't used. Those conversions to remove the lvalue of the assignment should be safe because the readl memory mapped reads are marked volatile and should not be optimized out without an lvalue (I suspect a very long time ago this wasn't guaranteed as it is today). These changes are part of a separate patch to make it easier to review. Warnings Fixed: .../intel/e100.c:2596:9: warning: variable ‘err’ set but not used [-Wunused-but-set-variable] .../intel/ixgb/ixgb_hw.c:101:6: warning: variable ‘icr_reg’ set but not used [-Wunused-but-set-variable] .../intel/ixgb/ixgb_hw.c:277:6: warning: variable ‘ctrl_reg’ set but not used [-Wunused-but-set-variable] .../intel/ixgb/ixgb_hw.c:952:15: warning: variable ‘temp_reg’ set but not used [-Wunused-but-set-variable] .../intel/ixgb/ixgb_hw.c:1164:7: warning: variable ‘mdio_reg’ set but not used [-Wunused-but-set-variable] .../intel/e1000/e1000_hw.c:132:6: warning: variable ‘ret_val’ set but not used [-Wunused-but-set-variable] .../intel/e1000/e1000_hw.c:380:6: warning: variable ‘icr’ set but not used [-Wunused-but-set-variable] .../intel/e1000/e1000_hw.c:2378:6: warning: variable ‘signal’ set but not used [-Wunused-but-set-variable] .../intel/e1000/e1000_hw.c:2374:6: warning: variable ‘ctrl’ set but not used [-Wunused-but-set-variable] .../intel/e1000/e1000_hw.c:2373:6: warning: variable ‘rxcw’ set but not used [-Wunused-but-set-variable] .../intel/e1000/e1000_hw.c:4678:15: warning: variable ‘temp’ set but not used [-Wunused-but-set-variable] Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-25intel-ethernet: clean up W=1 warnings in kdocJesse Brandeburg38-129/+185
This takes care of all of the trivial W=1 fixes in the Intel Ethernet drivers, which allows developers and maintainers to build more of the networking tree with more complete warning checks. There are three classes of kdoc warnings fixed: - cannot understand function prototype: 'x' - Excess function parameter 'x' description in 'y' - Function parameter or member 'x' not described in 'y' All of the changes were trivial comment updates on function headers. Inspired by Lee Jones' series of wireless work to do the same. Compile tested only, and passes simple test of $ git ls-files *.[ch] | egrep drivers/net/ethernet/intel | \ xargs scripts/kernel-doc -none Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-25net: vlan: Avoid using BUG() in vlan_proto_idx()Florian Fainelli2-6/+16
While we should always make sure that we specify a valid VLAN protocol to vlan_proto_idx(), killing the machine when an invalid value is specified is too harsh and not helpful for debugging. All callers are capable of dealing with an error returned by vlan_proto_idx() so check the index value and propagate it accordingly. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-25ath11k: fix undefined reference to 'ath11k_debugfs_htt_ext_stats_handler'Kalle Valo2-10/+20
kbuild bot reported than link fails when CONFIG_ATH11K_DEBUGFS is disabled: drivers/net/wireless/ath/ath11k/dp_rx.c:1662: undefined reference to `ath11k_debugfs_htt_ext_stats_handler' This was because I had missed to move the static inline version of the function (which are used when CONFIG_ATH11K_DEBUGFS is disabled) to debufs_htt_stats.h. Also move ath11k_debugfs_htt_stats_req() at the same time. And create a stub also for ath11k_debugfs_htt_stats_init() for consistency, even if it's not needed. Reported-by: kernel test robot <lkp@intel.com> Fixes: 568f06036ee2 ("ath11k: debugfs: move some function declarations to correct header files") Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/1601024241-16594-1-git-send-email-kvalo@codeaurora.org
2020-09-24net: hns3: rename macro of pci device id of vfGuangbin Huang3-8/+9
VF devices do not have speed division, its speed is depended on its PF. So macro name of PCI device id of VF is incorrent to have 100G info, it should be renamed by removing 100G info. Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24net: hns3: add support for 200G deviceGuangbin Huang5-11/+55
The 200G device has a new device id 0xA228, so adds this device id to pci table, then the driver can probe it. As speed_ability queried from firmware has only 8 bits and already be used up, so firmware adds extra speed_ability_ext to indicate more speed abilities to support 200G and driver needs to parse it. Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24net: hns3: add debugfs of dumping pf interrupt resourcesYufeng Mo2-0/+13
The pf's interrupt resources will be changed with the number of enabled pf. Dumping this resource information will be helpful for debugging. Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24net: hns3: add a hardware error detect typeYufeng Mo3-0/+5
In hns3_process_hw_error(), the hardware error detection of the ROCEE AXI RESP error type is added. When this error occurs, the client needs to be notified of this error and take corresponding operation. Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24net: hns3: remove unnecessary variable initializationYufeng Mo6-9/+9
If a variable is assigned a value before it is used, it's no need to assign an initial value to the variable. So remove these redundant operations. Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24net: hns3: refactor the function for dumping tc information in debugfsYufeng Mo1-10/+5
Remove some unnecessary parameters of hclge_title_idx_print(), and rename this function for readability. Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24net: tcp: drop unused function argument from mptcp_incoming_optionsFlorian Westphal3-8/+5
Since commit cfde141ea3faa30e ("mptcp: move option parsing into mptcp_incoming_options()"), the 3rd function argument is no longer used. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24mptcp: retransmit ADD_ADDR when timeoutGeliang Tang3-17/+96
This patch implemented the retransmition of ADD_ADDR when no ADD_ADDR echo is received. It added a timer with the announced address. When timeout occurs, ADD_ADDR will be retransmitted. Suggested-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Suggested-by: Paolo Abeni <pabeni@redhat.com> Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24mptcp: add sk_stop_timer_sync helperGeliang Tang2-0/+9
This patch added a new helper sk_stop_timer_sync, it deactivates a timer like sk_stop_timer, but waits for the handler to finish. Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24mptcp: add struct mptcp_pm_add_entryGeliang Tang1-7/+12
Add a new struct mptcp_pm_add_entry to describe add_addr's entry. Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24selftests: mptcp: add remove addr and subflow test casesGeliang Tang1-3/+142
This patch added the remove addr and subflow test cases and two new functions. The first function run_remove_tests calls do_transfer with two new arguments, rm_nr_ns1 and rm_nr_ns2, for the numbers of addresses should be removed during the transfer process in namespace 1 and namespace 2. If both these two arguments are 0, we do the join test cases with "mptcp_connect -j" command. Otherwise, do the remove test cases with "mptcp_connect -r" command. The second function chk_rm_nr checks the RM_ADDR related mibs's counters. The output of the test cases looks like this: 11 remove single subflow syn[ ok ] - synack[ ok ] - ack[ ok ] rm [ ok ] - sf [ ok ] 12 remove multiple subflows syn[ ok ] - synack[ ok ] - ack[ ok ] rm [ ok ] - sf [ ok ] 13 remove single address syn[ ok ] - synack[ ok ] - ack[ ok ] add[ ok ] - echo [ ok ] rm [ ok ] - sf [ ok ] 14 remove subflow and signal syn[ ok ] - synack[ ok ] - ack[ ok ] add[ ok ] - echo [ ok ] rm [ ok ] - sf [ ok ] 15 remove subflows and signal syn[ ok ] - synack[ ok ] - ack[ ok ] add[ ok ] - echo [ ok ] rm [ ok ] - sf [ ok ] Suggested-by: Matthieu Baerts <matthieu.baerts@tessares.net> Suggested-by: Paolo Abeni <pabeni@redhat.com> Suggested-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24selftests: mptcp: add remove cfg in mptcp_connectGeliang Tang1-3/+15
This patch added a new cfg, named cfg_remove in mptcp_connect. This new cfg_remove is copied from cfg_join. The only difference between them is in the do_rnd_write function. Here we slow down the transfer process of all data to let the RM_ADDR suboption can be sent and received completely. Otherwise the remove address and subflow test cases don't work. Suggested-by: Matthieu Baerts <matthieu.baerts@tessares.net> Suggested-by: Paolo Abeni <pabeni@redhat.com> Suggested-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24mptcp: add mptcp_destroy_common helperGeliang Tang3-6/+10
This patch added a new helper named mptcp_destroy_common containing the shared code between mptcp_destroy() and mptcp_sock_destruct(). Suggested-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24mptcp: add RM_ADDR related mibsGeliang Tang3-0/+9
This patch added two new mibs for RM_ADDR, named MPTCP_MIB_RMADDR and MPTCP_MIB_RMSUBFLOW, when the RM_ADDR suboption is received, increase the first mib counter, when the local subflow is removed, increase the second mib counter. Suggested-by: Matthieu Baerts <matthieu.baerts@tessares.net> Suggested-by: Paolo Abeni <pabeni@redhat.com> Suggested-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24mptcp: implement mptcp_pm_remove_subflowGeliang Tang3-3/+42
This patch implemented the local subflow removing function, mptcp_pm_remove_subflow, it simply called mptcp_pm_nl_rm_subflow_received under the PM spin lock. We use mptcp_pm_remove_subflow to remove a local subflow, so change it's argument from remote_id to local_id. We check subflow->local_id in mptcp_pm_nl_rm_subflow_received to remove a subflow. Suggested-by: Matthieu Baerts <matthieu.baerts@tessares.net> Suggested-by: Paolo Abeni <pabeni@redhat.com> Suggested-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24mptcp: remove addr and subflow in PM netlinkGeliang Tang5-11/+130
This patch implements the remove announced addr and subflow logic in PM netlink. When the PM netlink removes an address, we traverse all the existing msk sockets to find the relevant sockets. We add a new list named anno_list in mptcp_pm_data, to record all the announced addrs. In the traversing, we check if it has been recorded. If it has been, we trigger the RM_ADDR signal. We also check if this address is in conn_list. If it is, we remove the subflow which using this local address. Since we call mptcp_pm_free_anno_list in mptcp_destroy, we need to move __mptcp_init_sock before the mptcp_is_enabled check in mptcp_init_sock. Suggested-by: Matthieu Baerts <matthieu.baerts@tessares.net> Suggested-by: Paolo Abeni <pabeni@redhat.com> Suggested-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24mptcp: add accept_subflow re-checkGeliang Tang1-4/+6
The re-check of pm->accept_subflow with pm->lock held was missing, this patch fixed it. Suggested-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24selftests: mptcp: add ADD_ADDR mibs check functionGeliang Tang1-0/+44
This patch added the ADD_ADDR related mibs counter check function chk_add_nr(). This function check both ADD_ADDR and ADD_ADDR with echo flag. The output looks like this: 07 unused signal address syn[ ok ] - synack[ ok ] - ack[ ok ] add[ ok ] - echo [ ok ] 08 signal address syn[ ok ] - synack[ ok ] - ack[ ok ] add[ ok ] - echo [ ok ] 09 subflow and signal syn[ ok ] - synack[ ok ] - ack[ ok ] add[ ok ] - echo [ ok ] 10 multiple subflows and signal syn[ ok ] - synack[ ok ] - ack[ ok ] add[ ok ] - echo [ ok ] 11 remove subflow and signal syn[ ok ] - synack[ ok ] - ack[ ok ] add[ ok ] - echo [ ok ] Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24mptcp: add ADD_ADDR related mibsGeliang Tang3-1/+10
This patch added two mibs for ADD_ADDR, MPTCP_MIB_ADDADDR for receiving of the ADD_ADDR suboption with echo-flag=0, and MPTCP_MIB_ECHOADD for receiving the ADD_ADDR suboption with echo-flag=1. Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Co-developed-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24mptcp: send out ADD_ADDR with echo flagGeliang Tang4-23/+32
When the ADD_ADDR suboption has been received, we need to send out the same ADD_ADDR suboption with echo-flag=1, and no HMAC. Suggested-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24mptcp: add the incoming RM_ADDR supportGeliang Tang5-4/+66
This patch added the RM_ADDR option parsing logic: We parsed the incoming options to find if the rm_addr option is received, and called mptcp_pm_rm_addr_received to schedule PM work to a new status, named MPTCP_PM_RM_ADDR_RECEIVED. PM work got this status, and called mptcp_pm_nl_rm_addr_received to handle it. In mptcp_pm_nl_rm_addr_received, we closed the subflow matching the rm_id, and updated PM counter. Suggested-by: Matthieu Baerts <matthieu.baerts@tessares.net> Suggested-by: Paolo Abeni <pabeni@redhat.com> Suggested-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24mptcp: add the outgoing RM_ADDR supportGeliang Tang3-0/+63
This patch added a new signal named rm_addr_signal in PM. On outgoing path, we called mptcp_pm_should_rm_signal to check if rm_addr_signal has been set. If it has been, we sent out the RM_ADDR option. Suggested-by: Matthieu Baerts <matthieu.baerts@tessares.net> Suggested-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24mptcp: rename addr_signal and the related functionsGeliang Tang3-18/+18
This patch renamed addr_signal and the related functions with the explicit word "add". Suggested-by: Matthieu Baerts <matthieu.baerts@tessares.net> Suggested-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24dpaa2-mac: add PCS support through the Lynx moduleIoana Ciornei3-1/+91
Include PCS support in the dpaa2-eth driver by integrating it with the new Lynx PCS module. There is not much to talk about in terms of changes needed in the dpaa2-eth driver since the only steps necessary are to find the MDIO device representing the PCS, register it to the Lynx PCS module and then let phylink know if its existence also. After this, the PCS callbacks will be treated directly by Lynx, without interraction from dpaa2-eth's part. Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24of: add of_mdio_find_device() apiRussell King2-9/+35
Add a helper function which finds the mdio_device structure given a device tree node. This is helpful for finding the PCS device based on a DTS node but managing it as a mdio_device instead of a phy_device. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24net: pcs-lynx: add support for 10GBASERIoana Ciornei1-0/+6
Add support in the Lynx PCS module for the 10GBASE-R mode which is only used to get the link state, since it offers a single fixed speed. Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24net: mscc: ocelot: always pass skb clone to ocelot_port_add_txtstamp_skbVladimir Oltean5-29/+38
Currently, ocelot switchdev passes the skb directly to the function that enqueues it to the list of skb's awaiting a TX timestamp. Whereas the felix DSA driver first clones the skb, then passes the clone to this queue. This matters because in the case of felix, the common IRQ handler, which is ocelot_get_txtstamp(), currently clones the clone, and frees the original clone. This is useless and can be simplified by using skb_complete_tx_timestamp() instead of skb_tstamp_tx(). Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24mt76: mt7663s: remove max_tx_fragments limitationLorenzo Bianconi1-6/+7
Remove A-MSDU max_tx_fragments constraint for sdio since the check is already performed in mt7663s_tx_run_queue routine Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: Convert to DEFINE_SHOW_ATTRIBUTEQinglang Miao3-56/+13
Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code. Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: mt7915: add offchannel condition in switch channel commandShayne Chen1-2/+4
Add a missing offchannel condition for channel switch reason, which bypasses DPD calibration to reduce scanning time. Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: mt7915: convert to use le16_add_cpu()Liu Shixin1-2/+2
Convert cpu_to_le16(le16_to_cpu(E1) + E2) to use le16_add_cpu(). Signed-off-by: Liu Shixin <liushixin2@huawei.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: Fix unsigned expressions compared with zeroYe Bin1-3/+3
Fixes variable types in mt76x02_dfs_create_sequence and mt76x02_dfs_add_event_to_sequence Signed-off-by: Ye Bin <yebin10@huawei.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: mt7915: fix possible memory leak in mt7915_mcu_add_beaconLorenzo Bianconi1-8/+10
Release mcu message memory in case of failure in mt7915_mcu_add_beacon routine Fixes: e57b7901469fc ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: mt76x0: Move tables used only by init.c to their own header fileLee Jones3-145/+160
Taking the same approach as initvals_phy.h. Fixes the following W=1 kernel build warning(s): drivers/net/wireless/mediatek/mt76/mt76x0/initvals.h:218:35: warning: ‘mt76x0_dcoc_tab’ defined but not used [-Wunused-const-variable=] 218 | static const struct mt76_reg_pair mt76x0_dcoc_tab[] = { | ^~~~~~~~~~~~~~~ drivers/net/wireless/mediatek/mt76/mt76x0/initvals.h:86:35: warning: ‘mt76x0_bbp_init_tab’ defined but not used [-Wunused-const-variable=] 86 | static const struct mt76_reg_pair mt76x0_bbp_init_tab[] = { | ^~~~~~~~~~~~~~~~~~~ drivers/net/wireless/mediatek/mt76/mt76x0/initvals.h:48:35: warning: ‘mt76x0_mac_reg_table’ defined but not used [-Wunused-const-variable=] 48 | static const struct mt76_reg_pair mt76x0_mac_reg_table[] = { | ^~~~~~~~~~~~~~~~~~~~ drivers/net/wireless/mediatek/mt76/mt76x0/initvals.h:14:35: warning: ‘common_mac_reg_table’ defined but not used [-Wunused-const-variable=] 14 | static const struct mt76_reg_pair common_mac_reg_table[] = { | ^~~~~~~~~~~~~~~~~~~~ Cc: Felix Fietkau <nbd@nbd.name> Cc: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> Cc: Ryder Lee <ryder.lee@mediatek.com> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Matthias Brugger <matthias.bgg@gmail.com> Cc: Stanislaw Gruszka <stf_xl@wp.pl> Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org Cc: linux-mediatek@lists.infradead.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: Use fallthrough pseudo-keywordGustavo A. R. Silva11-17/+16
Replace the existing /* fall through */ comments and its variants with the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary fall-through markings when it is the case. [1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: mt7615: unlock dfs bandsLorenzo Bianconi1-2/+23
Unlock dfs channels for mt7615 devices since the driver supports radar detection. Dfs pattern detector has been tested successfully by mt7615 users. Do not unlock DFS frequencies for mt7663 devices since it has not been tested yet. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: mt7663: check isr read return value in mt7663s_rx_workLorenzo Bianconi1-2/+5
In order to avoid using stale isr values, check return value from sdio_readsb() in mt7663s_rx_work() Tested-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: mt7663s: introduce sdio tx aggregationLorenzo Bianconi4-19/+50
Introduce sdio tx aggregation to reduce bus transaction ands improve tx throughput. For the moment the skb are copied in a dedicated buffer since mmc APIs do not support sg table for zero-copy. Since skb data are already copied in xmit_buff[], avoid linearization in ma80211 layer. Relying on tx aggregation, we improve tx tpt of ~65%. Tested-by: Sean Wang <sean.wang@mediatek.com> Co-developed-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: mt7663s: fix possible quota leak in mt7663s_refill_sched_quotaLorenzo Bianconi1-13/+30
Look just at reported quota since the hw sporadically reports mcu tx quota without setting WHIER_TX_DONE_INT_EN bit Tested-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: move pad estimation out of mt76_skb_adjust_padLorenzo Bianconi7-14/+18
Move frame pad computation out of mt76_skb_adjust_pad routine. This is a preliminary patch to introduce sdio tx aggregation. Tested-by: Sean Wang <sean.wang@mediatek.com> Co-developed-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-09-24mt76: mt7663s: introduce __mt7663s_xmit_queue routineLorenzo Bianconi1-13/+22
This is a preliminary patch to introduce sdio tx aggregation Tested-by: Sean Wang <sean.wang@mediatek.com> Co-developed-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>