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path: root/drivers/net/ethernet
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2019-09-11qed: Fix Config attribute frame format.Sudarsana Reddy Kalluru
MFW associates the entity id to a config attribute instead of assigning one entity id for all the config attributes. This patch incorporates driver changes to link entity id to a config id attribute. Fixes: 0dabbe1bb3a4 ("qed: Add driver API for flashing the config attributes.") Signed-off-by: Sudarsana Reddy Kalluru <skalluru@marvell.com> Signed-off-by: Ariel Elior <aelior@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11qed*: Fix size of config attribute dump.Sudarsana Reddy Kalluru
Driver currently returns max-buf-size as size of the config attribute. This patch incorporates changes to read this value from MFW (if available) and provide it to the user. Also did a trivial clean up in this path. Fixes: d44a3ced7023 ("qede: Add support for reading the config id attributes.") Signed-off-by: Sudarsana Reddy Kalluru <skalluru@marvell.com> Signed-off-by: Ariel Elior <aelior@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11nfp: devlink: set unknown fw_load_policyDirk van der Merwe
If the 'app_fw_from_flash' HWinfo key is invalid, set the 'fw_load_policy' devlink parameter value to unknown. Suggested-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11Merge tag 'mlx5-updates-2019-09-10' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux Saeed Mahameed says: ==================== mlx5-updates-2019-09-10 Misc build warnings cleanup for mlx5: 1) Reduce stack usage in FW trace 2) Fix addr's type in mlx5dr_icm_dm 3) Fix rt's type in dr_action_create_reformat_action ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11net: stmmac: ARP Offload for GMAC4+ CoresJose Abreu
Implement the ARP Offload feature in GMAC4 and GMAC5 cores. Signed-off-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11net: stmmac: Add support for VLAN Insertion Offload in GMAC4+Jose Abreu
Adds support for TX VLAN Offload using descriptors based features available in GMAC4/5. Signed-off-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11net: stmmac: Add support for SA Insertion/Replacement in GMAC4+Jose Abreu
Add the support for Source Address Insertion and Replacement in GMAC4 and GMAC5 cores. Two methods are supported: Descriptor based and register based. Signed-off-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11net: stmmac: xgmac: Reinitialize correctly a variableJose Abreu
'value' was being or'ed with a value from another register. This is a typo and could cause new written value to be wrong. Fix it. Signed-off-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11net: stmmac: Add VLAN HASH filtering support in GMAC4+Jose Abreu
Adds the support for VLAN HASH Filtering in GMAC4/5 cores. Signed-off-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11net: stmmac: Prevent divide-by-zeroJose Abreu
When RX Coalesce settings are set to all zero (which is a valid setting) we will currently get a divide-by-zero error. Fix it. Signed-off-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11net: sonic: replace dev_kfree_skb in sonic_send_packetMao Wenan
sonic_send_packet will be processed in irq or non-irq context, so it would better use dev_kfree_skb_any instead of dev_kfree_skb. Fixes: d9fb9f384292 ("*sonic/natsemi/ns83829: Move the National Semi-conductor drivers") Signed-off-by: Mao Wenan <maowenan@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11net: hns3: add some DFX info for reset issueHuazhong Tan
This patch adds more information for reset DFX. Also, adds some cleanups to reset info, move reset_fail_cnt into struct hclge_rst_stats, and modifies some print formats. Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11net: hns3: check NULL pointer before useGuangbin Huang
This patch checks ops->set_default_reset_request whether is NULL before using it in function hns3_slot_reset. 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>
2019-09-11net: hns3: modify some logs formatGuangbin Huang
The pfc_en and pfc_map need to be displayed in hexadecimal notation, printing dma address should use %pad, and the end of printed string needs to be add "\n". This patch modifies them. 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>
2019-09-11net: hns3: fix port setting handle for fibre portGuangbin Huang
For hardware doesn't support use specified speed and duplex to negotiate, it's unnecessary to check and modify the port speed and duplex for fibre port when autoneg is on. Fixes: 22f48e24a23d ("net: hns3: add autoneg and change speed support for fibre port") 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>
2019-09-11net: hns3: fix shaper parameter algorithmYonglong Liu
Currently when hns3 driver configures the tm shaper to limit bandwidth below 20Mbit using the parameters calculated by hclge_shaper_para_calc(), the actual bandwidth limited by tm hardware module is not accurate enough, for example, 1.28 Mbit when the user is configuring 1 Mbit. This patch adjusts the ir_calc to be closer to ir, and always calculate the ir_b parameter when user is configuring a small bandwidth. Also, removes an unnecessary parenthesis when calculating denominator. Fixes: 848440544b41 ("net: hns3: Add support of TX Scheduler & Shaper to HNS3 driver") Signed-off-by: Yonglong Liu <liuyonglong@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11net: hns3: revert to old channel when setting new channel num failPeng Li
After setting new channel num, it needs free old ring memory and allocate new ring memory. If there is no enough memory and allocate new ring memory fail, the ring may initialize fail. To make sure the network interface can work normally, driver should revert the channel to the old configuration. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-11net: hns3: add ethtool_ops.set_channels support for HNS3 VF driverGuangbin Huang
This patch adds ethtool_ops.set_channels support for HNS3 VF driver, and updates related TQP information and RSS information, to support modification of VF TQP number, and uses current rss_size instead of max_rss_size to initialize RSS. Also, fixes a format error in hclgevf_get_rss(). 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>
2019-09-10net/mlx5: FWTrace, Reduce stack usageSaeed Mahameed
Mark mlx5_tracer_print_trace as noinline as the function only uses 512 bytes on the stack to avoid the following build warning: drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c:660:13: error: stack frame size of 1032 bytes in function 'mlx5_fw_tracer_handle_traces' [-Werror,-Wframe-larger-than=] Fixes: 70dd6fdb8987 ("net/mlx5: FW tracer, parse traces and kernel tracing support") Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-09-10net/mlx5: Fix addr's type in mlx5dr_icm_dmNathan Chancellor
clang errors when CONFIG_PHYS_ADDR_T_64BIT is not set: drivers/net/ethernet/mellanox/mlx5/core/steering/dr_icm_pool.c:121:8: error: incompatible pointer types passing 'u64 *' (aka 'unsigned long long *') to parameter of type 'phys_addr_t *' (aka 'unsigned int *') [-Werror,-Wincompatible-pointer-types] &icm_mr->dm.addr, &icm_mr->dm.obj_id); ^~~~~~~~~~~~~~~~ include/linux/mlx5/driver.h:1092:39: note: passing argument to parameter 'addr' here u64 length, u16 uid, phys_addr_t *addr, u32 *obj_id); ^ 1 error generated. Use phys_addr_t for addr's type in mlx5dr_icm_dm, which won't change anything with 64-bit builds because phys_addr_t is u64 when CONFIG_PHYS_ADDR_T_64BIT is set, which is always when CONFIG_64BIT is set. Fixes: 29cf8febd185 ("net/mlx5: DR, ICM pool memory allocator") Link: https://github.com/ClangBuiltLinux/linux/issues/653 Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-09-10net/mlx5: Fix rt's type in dr_action_create_reformat_actionNathan Chancellor
clang warns: drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c:1080:9: warning: implicit conversion from enumeration type 'enum mlx5_reformat_ctx_type' to different enumeration type 'enum mlx5dr_action_type' [-Wenum-conversion] rt = MLX5_REFORMAT_TYPE_L2_TO_L2_TUNNEL; ~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c:1082:9: warning: implicit conversion from enumeration type 'enum mlx5_reformat_ctx_type' to different enumeration type 'enum mlx5dr_action_type' [-Wenum-conversion] rt = MLX5_REFORMAT_TYPE_L2_TO_L3_TUNNEL; ~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c:1084:51: warning: implicit conversion from enumeration type 'enum mlx5dr_action_type' to different enumeration type 'enum mlx5_reformat_ctx_type' [-Wenum-conversion] ret = mlx5dr_cmd_create_reformat_ctx(dmn->mdev, rt, data_sz, data, ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^~ 3 warnings generated. Use the right type for rt, which is mlx5_reformat_ctx_type so there are no warnings about mismatched types. Fixes: 9db810ed2d37 ("net/mlx5: DR, Expose steering action functionality") Link: https://github.com/ClangBuiltLinux/linux/issues/652 Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Reported-by: Austin Kim <austindh.kim@gmail.com> Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-09-10kdoc: fix nfp_fw_load documentationDirk van der Merwe
Fixed the incorrect prefix for the 'nfp_fw_load' function. Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-10nfp: devlink: add 'reset_dev_on_drv_probe' supportDirk van der Merwe
Add support for the 'reset_dev_on_drv_probe' devlink parameter. The reset control policy is controlled by the 'abi_drv_reset' hwinfo key. Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-10nfp: devlink: add 'fw_load_policy' supportDirk van der Merwe
Add support for the 'fw_load_policy' devlink parameter. The FW load policy is controlled by the 'app_fw_from_flash' hwinfo key. Remap the values from devlink to the hwinfo key and back. Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-10nfp: add devlink param infrastructureDirk van der Merwe
Register devlink parameters for driver use. Subsequent patches will add support for specific parameters. In order to support devlink parameters, the management firmware needs to be able to lookup and set hwinfo keys. Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-10nfp: honor FW reset and loading policiesDirk van der Merwe
The firmware reset and loading policies can be controlled with the combination of three hwinfo keys, 'abi_drv_reset', 'abi_drv_load_ifc' and 'app_fw_from_flash'. 'app_fw_from_flash' defines which firmware should take precedence, 'Disk', 'Flash' or the 'Preferred' firmware. When 'Preferred' is selected, the management firmware makes the decision on which firmware will be loaded by comparing versions of the flash firmware and the host supplied firmware. 'abi_drv_reset' defines when the driver should reset the firmware when the driver is probed, either 'Disk' if firmware was found on disk, 'Always' reset or 'Never' reset. Note that the device is always reset on driver unload if firmware was loaded when the driver was probed. 'abi_drv_load_ifc' defines a list of PF devices allowed to load FW on the device. Furthermore, we limit the cases to where the driver will unload firmware again when the driver is removed to only when firmware was loaded by the driver and only if this particular device was the only one that could have loaded firmware. This is needed to avoid firmware being removed while in use on multi-host platforms. Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-10nfp: nsp: add support for hwinfo set operationDirk van der Merwe
Add support for the NSP HWinfo set command. This closely follows the HWinfo lookup command. Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-10nfp: nsp: add support for optional hwinfo lookupDirk van der Merwe
There are cases where we want to read a hwinfo entry from the NFP, and if it doesn't exist, use a default value instead. To support this, we must silence warning/error messages when the hwinfo entry doesn't exist since this is a valid use case. The NSP command structure provides the ability to silence command errors, in which case the caller should log any command errors appropriately. Protocol errors are unaffected by this. Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-10nfp: nsp: add support for fw_loaded commandDirk van der Merwe
Add support for the simple command that indicates whether application firmware is loaded. Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-10net/mlx4_en: ethtool: make array modes static const, makes object smallerColin Ian King
Don't populate the array modes on the stack but instead make it static const. Makes the object code smaller by 303 bytes. Before: text data bss dec hex filename 51240 5008 1312 57560 e0d8 mellanox/mlx4/en_ethtool.o After: text data bss dec hex filename 50937 5008 1312 57257 dfa9 mellanox/mlx4/en_ethtool.o (gcc version 9.2.1, amd64) Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-10net/ibmvnic: Fix missing { in __ibmvnic_resetMichal Suchanek
Commit 1c2977c09499 ("net/ibmvnic: free reset work of removed device from queue") adds a } without corresponding { causing build break. Fixes: 1c2977c09499 ("net/ibmvnic: free reset work of removed device from queue") Signed-off-by: Michal Suchanek <msuchanek@suse.de> Reviewed-by: Tyrel Datwyler <tyreld@linux.ibm.com> Reviewed-by: Juliet Kim <julietk@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-09i40e: Add support for X710 deviceMariusz Stachura
Add I40E_DEV_ID_10G_BASE_T_BC to i40e_pci_tbl Signed-off-by: Mariusz Stachura <mariusz.stachura@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-09igc: Add tx_csum offload functionalitySasha Neftin
Add IP generic TX checksum offload functionality. Signed-off-by: Sasha Neftin <sasha.neftin@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-09ixgbe: sync the first fragment unconditionallyFiro Yang
In Xen environment, if Xen-swiotlb is enabled, ixgbe driver could possibly allocate a page, DMA memory buffer, for the first fragment which is not suitable for Xen-swiotlb to do DMA operations. Xen-swiotlb have to internally allocate another page for doing DMA operations. This mechanism requires syncing the data from the internal page to the page which ixgbe sends to upper network stack. However, since commit f3213d932173 ("ixgbe: Update driver to make use of DMA attributes in Rx path"), the unmap operation is performed with DMA_ATTR_SKIP_CPU_SYNC. As a result, the sync is not performed. Since the sync isn't performed, the upper network stack could receive a incomplete network packet. By incomplete, it means the linear data on the first fragment(between skb->head and skb->end) is invalid. So we have to copy the data from the internal xen-swiotlb page to the page which ixgbe sends to upper network stack through the sync operation. More details from Alexander Duyck: Specifically since we are mapping the frame with DMA_ATTR_SKIP_CPU_SYNC we have to unmap with that as well. As a result a sync is not performed on an unmap and must be done manually as we skipped it for the first frag. As such we need to always sync before possibly performing a page unmap operation. Fixes: f3213d932173 ("ixgbe: Update driver to make use of DMA attributes in Rx path") Signed-off-by: Firo Yang <firo.yang@suse.com> Reviewed-by: Alexander Duyck <alexander.h.duyck@linux.intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-09i40e: Remove EMPR traces from debugfs facilityMauro S. M. Rodrigues
Since commit '5098850c9b9b ("i40e/i40evf: i40e_register.h updates")' it is no longer possible to trigger an EMP Reset from debugfs, but it's possible to request it either way, to end up with a bad reset request: echo empr > /sys/kernel/debug/i40e/0002\:01\:00.1/command i40e 0002:01:00.1: debugfs: forcing EMPR i40e 0002:01:00.1: bad reset request 0x00010000 So let's remove this piece of code and show the available valid commands as it is when any invalid command is issued. Signed-off-by: "Mauro S. M. Rodrigues" <maurosr@linux.vnet.ibm.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-09i40e: Implement debug macro hw_dbg using dev_dbgMauro S. M. Rodrigues
There are several uses of hw_dbg in the code, producing no output. This patch implements it using dev_debug. Initially the intention was to implement it using netdev_dbg, analogously to what is done in ixgbe for instance. That approach was avoided due to some early usages of hw_dbg, like i40e_pf_reset, before the VSI structure initialization causing NULL pointer dereference during the driver probe if the debug messages were turned on as soon as the module is probed. v2: - Use dev_dbg instead of pr_debug, and take advantage of dev_name instead of crafting pretty much the same device name locally as suggested by Jakub Kicinski. Signed-off-by: "Mauro S. M. Rodrigues" <maurosr@linux.vnet.ibm.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-09i40e: fix hw_dbg usage in i40e_hmc_get_object_vaMauro S. M. Rodrigues
The mentioned function references a i40e_hw attribute, as parameter for hw_dbg, but it doesn't exist in the function scope. Fixes it by changing parameters from i40e_hmc_info to i40e_hw which can retrieve the necessary i40e_hmc_info. v2: - Fixed reverse xmas tree code style issue as suggested by Jakub Kicinski Signed-off-by: "Mauro S. M. Rodrigues" <maurosr@linux.vnet.ibm.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-09igc: Remove unneeded PCI bus definesSasha Neftin
PCIe device control 2 defines does not use internally. This patch comes to clean up those. Signed-off-by: Sasha Neftin <sasha.neftin@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-09iavf: allow permanent MAC address to changeMitch Williams
Allow the VF to override the "permanent" MAC address set by the host. This allows bonding to work in the case where the administrator has set the VF MAC. Note that the VF must still be set to Trusted on the host if this change is to be accepted by the PF driver. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-09igc: Add NVM checksum validationSasha Neftin
Add NVM checksum validation during probe functionality. Signed-off-by: Sasha Neftin <sasha.neftin@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-09fm10k: use a local variable for the frag pointerJacob Keller
In the function fm10k_xmit_frame_ring, we recently switched to using the skb_frag_size accessor instead of directly using the size member of the skb fragment. This made the for loop slightly harder to read because it created a very long line that is difficult to split up. Avoid this by using a local variable in the for loop, so that we do not have to break the line on an open parenthesis. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-09igc: Remove useless forward declarationSasha Neftin
Move igc_phy_setup_autoneg, igc_wait_autoneg and igc_set_fc_watermarks up to avoid forward declaration. It is not necessary to forward declare these static methods. Signed-off-by: Sasha Neftin <sasha.neftin@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-09e1000e: Make speed detection on hotplugging cable more reliableKai-Heng Feng
After hot plugging an 1Gbps Ethernet cable with 1Gbps link partner, the MII_BMSR may report 10Mbps, renders the network rather slow. The issue has much lower fail rate after commit 59653e6497d1 ("e1000e: Make watchdog use delayed work"), which essentially introduces some delay before running the watchdog task. But there's still a chance that the hot plugging event and the queued watchdog task gets run at the same time, then the original issue can be observed once again. So let's use mod_delayed_work() to add a deterministic 1 second delay before running watchdog task, after an interrupt. Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-09ixgbevf: Link lost in VM on ixgbevf when restoring from freeze or suspendRadoslaw Tyl
This patch fixed issue in VM which shows no link when hypervisor is restored from low-power state. The driver is responsible for re-enabling any features of the device that had been disabled during suspend calls, such as IRQs and bus mastering. Signed-off-by: Radoslaw Tyl <radoslawx.tyl@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-09iavf: remove unused debug function iavf_debug_dYueHaibing
There is no caller of function iavf_debug_d() in tree since commit 75051ce4c5d8 ("iavf: Fix up debug print macro"), so it can be removed. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-07nfp: flower: cmsg rtnl locks can timeout reify messagesFred Lotter
Flower control message replies are handled in different locations. The truly high priority replies are handled in the BH (tasklet) context, while the remaining replies are handled in a predefined Linux work queue. The work queue handler orders replies into high and low priority groups, and always start servicing the high priority replies within the received batch first. Reply Type: Rtnl Lock: Handler: CMSG_TYPE_PORT_MOD no BH tasklet (mtu) CMSG_TYPE_TUN_NEIGH no BH tasklet CMSG_TYPE_FLOW_STATS no BH tasklet CMSG_TYPE_PORT_REIFY no WQ high CMSG_TYPE_PORT_MOD yes WQ high (link/mtu) CMSG_TYPE_MERGE_HINT yes WQ low CMSG_TYPE_NO_NEIGH no WQ low CMSG_TYPE_ACTIVE_TUNS no WQ low CMSG_TYPE_QOS_STATS no WQ low CMSG_TYPE_LAG_CONFIG no WQ low A subset of control messages can block waiting for an rtnl lock (from both work queue priority groups). The rtnl lock is heavily contended for by external processes such as systemd-udevd, systemd-network and libvirtd, especially during netdev creation, such as when flower VFs and representors are instantiated. Kernel netlink instrumentation shows that external processes (such as systemd-udevd) often use successive rtnl_trylock() sequences, which can result in an rtnl_lock() blocked control message to starve for longer periods of time during rtnl lock contention, i.e. netdev creation. In the current design a single blocked control message will block the entire work queue (both priorities), and introduce a latency which is nondeterministic and dependent on system wide rtnl lock usage. In some extreme cases, one blocked control message at exactly the wrong time, just before the maximum number of VFs are instantiated, can block the work queue for long enough to prevent VF representor REIFY replies from getting handled in time for the 40ms timeout. The firmware will deliver the total maximum number of REIFY message replies in around 300us. Only REIFY and MTU update messages require replies within a timeout period (of 40ms). The MTU-only updates are already done directly in the BH (tasklet) handler. Move the REIFY handler down into the BH (tasklet) in order to resolve timeouts caused by a blocked work queue waiting on rtnl locks. Signed-off-by: Fred Lotter <frederik.lotter@netronome.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07net: hns3: make array spec_opcode static const, makes object smallerColin Ian King
Don't populate the array spec_opcode on the stack but instead make it static const. Makes the object code smaller by 48 bytes. Before: text data bss dec hex filename 6914 1040 128 8082 1f92 hns3/hns3vf/hclgevf_cmd.o After: text data bss dec hex filename 6866 1040 128 8034 1f62 hns3/hns3vf/hclgevf_cmd.o (gcc version 9.2.1, amd64) Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07be2net: make two arrays static const, makes object smallerColin Ian King
Don't populate the arrays on the stack but instead make them static const. Makes the object code smaller by 281 bytes. Before: text data bss dec hex filename 87553 5672 0 93225 16c29 benet/be_cmds.o After: text data bss dec hex filename 87112 5832 0 92944 16b10 benet/be_cmds.o (gcc version 9.2.1, amd64) Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07ionic: Remove unused including <linux/version.h>YueHaibing
Remove including <linux/version.h> that don't need it. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-07net: stmmac: Limit max speeds of XGMAC if asked toJose Abreu
We may have some SoCs that can't achieve XGMAC max speed. Limit it if asked to. Signed-off-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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