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2024-09-04net: hns3: Remove setting of RX software timestampGal Pressman1-4/+0
The responsibility for reporting of RX software timestamp has moved to the core layer (see __ethtool_get_ts_info()), remove usage from the device drivers. Reviewed-by: Carolina Jubran <cjubran@nvidia.com> Reviewed-by: Rahul Rameshbabu <rrameshbabu@nvidia.com> Signed-off-by: Gal Pressman <gal@nvidia.com> Reviewed-by: Jijie Shao <shaojijie@huawei.com> Link: https://patch.msgid.link/20240901112803.212753-11-gal@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-04net: ethernet: rtsn: Remove setting of RX software timestampGal Pressman1-2/+0
The responsibility for reporting of RX software timestamp has moved to the core layer (see __ethtool_get_ts_info()), remove usage from the device drivers. Reviewed-by: Carolina Jubran <cjubran@nvidia.com> Reviewed-by: Rahul Rameshbabu <rrameshbabu@nvidia.com> Signed-off-by: Gal Pressman <gal@nvidia.com> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Link: https://patch.msgid.link/20240901112803.212753-10-gal@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-04net: renesas: rswitch: Remove setting of RX software timestampGal Pressman1-2/+0
The responsibility for reporting of RX software timestamp has moved to the core layer (see __ethtool_get_ts_info()), remove usage from the device drivers. Reviewed-by: Carolina Jubran <cjubran@nvidia.com> Reviewed-by: Rahul Rameshbabu <rrameshbabu@nvidia.com> Signed-off-by: Gal Pressman <gal@nvidia.com> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Link: https://patch.msgid.link/20240901112803.212753-9-gal@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-04ravb: Remove setting of RX software timestampGal Pressman1-2/+2
The responsibility for reporting of RX software timestamp has moved to the core layer (see __ethtool_get_ts_info()), remove usage from the device drivers. Reviewed-by: Carolina Jubran <cjubran@nvidia.com> Reviewed-by: Rahul Rameshbabu <rrameshbabu@nvidia.com> Signed-off-by: Gal Pressman <gal@nvidia.com> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Link: https://patch.msgid.link/20240901112803.212753-8-gal@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-04ionic: Remove setting of RX software timestampGal Pressman1-2/+0
The responsibility for reporting of RX software timestamp has moved to the core layer (see __ethtool_get_ts_info()), remove usage from the device drivers. Reviewed-by: Carolina Jubran <cjubran@nvidia.com> Reviewed-by: Rahul Rameshbabu <rrameshbabu@nvidia.com> Signed-off-by: Gal Pressman <gal@nvidia.com> Reviewed-by: Shannon Nelson <shannon.nelson@amd.com> Reviewed-by: Brett Creeley <brett.creeley@amd.com> Link: https://patch.msgid.link/20240901112803.212753-7-gal@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-04tsnep: Remove setting of RX software timestampGal Pressman1-4/+0
The responsibility for reporting of RX software timestamp has moved to the core layer (see __ethtool_get_ts_info()), remove usage from the device drivers. Reviewed-by: Carolina Jubran <cjubran@nvidia.com> Reviewed-by: Rahul Rameshbabu <rrameshbabu@nvidia.com> Signed-off-by: Gal Pressman <gal@nvidia.com> Reviewed-by: Gerhard Engleder <gerhard@engleder-embedded.com> Link: https://patch.msgid.link/20240901112803.212753-6-gal@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-03Merge branch '1GbE' of ↵Jakub Kicinski11-25/+347
git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue Tony Nguyen says: ==================== Intel Wired LAN Driver Updates 2024-08-30 (igc, e1000e, i40e) This series contains updates to igc, e1000e, and i40 drivers. Kurt Kanzenbach adds support for MQPRIO offloads and stops unintended, excess interrupts on igc. Sasha adds reporting of EEE (Energy Efficient Ethernet) ability and moves a register define to a better suited file for igc. Vitaly stops reporting errors on shutdown and suspend as they are not fatal for e1000e. Alex adds reporting of EEE to i40e. * '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue: i40e: Add Energy Efficient Ethernet ability for X710 Base-T/KR/KX cards e1000e: avoid failing the system during pm_suspend igc: Move the MULTI GBT AN Control Register to _regs file igc: Add Energy Efficient Ethernet ability igc: Get rid of spurious interrupts igc: Add MQPRIO offload support ==================== Link: https://patch.msgid.link/20240830210451.2375215-1-anthony.l.nguyen@intel.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-03ice: do not bring the VSI up, if it was down before the XDP setupLarysa Zaremba1-2/+5
After XDP configuration is completed, we bring the interface up unconditionally, regardless of its state before the call to .ndo_bpf(). Preserve the information whether the interface had to be brought down and later bring it up only in such case. Fixes: efc2214b6047 ("ice: Add support for XDP") Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Chandan Kumar Rout <chandanx.rout@intel.com> Acked-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-09-03ice: remove ICE_CFG_BUSY locking from AF_XDP codeLarysa Zaremba1-9/+0
Locking used in ice_qp_ena() and ice_qp_dis() does pretty much nothing, because ICE_CFG_BUSY is a state flag that is supposed to be set in a PF state, not VSI one. Therefore it does not protect the queue pair from e.g. reset. Remove ICE_CFG_BUSY locking from ice_qp_dis() and ice_qp_ena(). Fixes: 2d4238f55697 ("ice: Add support for AF_XDP") Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Chandan Kumar Rout <chandanx.rout@intel.com> Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-09-03ice: check ICE_VSI_DOWN under rtnl_lock when preparing for resetLarysa Zaremba1-6/+6
Consider the following scenario: .ndo_bpf() | ice_prepare_for_reset() | ________________________|_______________________________________| rtnl_lock() | | ice_down() | | | test_bit(ICE_VSI_DOWN) - true | | ice_dis_vsi() returns | ice_up() | | | proceeds to rebuild a running VSI | .ndo_bpf() is not the only rtnl-locked callback that toggles the interface to apply new configuration. Another example is .set_channels(). To avoid the race condition above, act only after reading ICE_VSI_DOWN under rtnl_lock. Fixes: 0f9d5027a749 ("ice: Refactor VSI allocation, deletion and rebuild flow") Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Chandan Kumar Rout <chandanx.rout@intel.com> Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com> Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-09-03ice: check for XDP rings instead of bpf program when unconfiguringLarysa Zaremba3-7/+7
If VSI rebuild is pending, .ndo_bpf() can attach/detach the XDP program on VSI without applying new ring configuration. When unconfiguring the VSI, we can encounter the state in which there is an XDP program but no XDP rings to destroy or there will be XDP rings that need to be destroyed, but no XDP program to indicate their presence. When unconfiguring, rely on the presence of XDP rings rather then XDP program, as they better represent the current state that has to be destroyed. Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Chandan Kumar Rout <chandanx.rout@intel.com> Acked-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-09-03ice: protect XDP configuration with a mutexLarysa Zaremba4-19/+39
The main threat to data consistency in ice_xdp() is a possible asynchronous PF reset. It can be triggered by a user or by TX timeout handler. XDP setup and PF reset code access the same resources in the following sections: * ice_vsi_close() in ice_prepare_for_reset() - already rtnl-locked * ice_vsi_rebuild() for the PF VSI - not protected * ice_vsi_open() - already rtnl-locked With an unfortunate timing, such accesses can result in a crash such as the one below: [ +1.999878] ice 0000:b1:00.0: Registered XDP mem model MEM_TYPE_XSK_BUFF_POOL on Rx ring 14 [ +2.002992] ice 0000:b1:00.0: Registered XDP mem model MEM_TYPE_XSK_BUFF_POOL on Rx ring 18 [Mar15 18:17] ice 0000:b1:00.0 ens801f0np0: NETDEV WATCHDOG: CPU: 38: transmit queue 14 timed out 80692736 ms [ +0.000093] ice 0000:b1:00.0 ens801f0np0: tx_timeout: VSI_num: 6, Q 14, NTC: 0x0, HW_HEAD: 0x0, NTU: 0x0, INT: 0x4000001 [ +0.000012] ice 0000:b1:00.0 ens801f0np0: tx_timeout recovery level 1, txqueue 14 [ +0.394718] ice 0000:b1:00.0: PTP reset successful [ +0.006184] BUG: kernel NULL pointer dereference, address: 0000000000000098 [ +0.000045] #PF: supervisor read access in kernel mode [ +0.000023] #PF: error_code(0x0000) - not-present page [ +0.000023] PGD 0 P4D 0 [ +0.000018] Oops: 0000 [#1] PREEMPT SMP NOPTI [ +0.000023] CPU: 38 PID: 7540 Comm: kworker/38:1 Not tainted 6.8.0-rc7 #1 [ +0.000031] Hardware name: Intel Corporation S2600WFT/S2600WFT, BIOS SE5C620.86B.02.01.0014.082620210524 08/26/2021 [ +0.000036] Workqueue: ice ice_service_task [ice] [ +0.000183] RIP: 0010:ice_clean_tx_ring+0xa/0xd0 [ice] [...] [ +0.000013] Call Trace: [ +0.000016] <TASK> [ +0.000014] ? __die+0x1f/0x70 [ +0.000029] ? page_fault_oops+0x171/0x4f0 [ +0.000029] ? schedule+0x3b/0xd0 [ +0.000027] ? exc_page_fault+0x7b/0x180 [ +0.000022] ? asm_exc_page_fault+0x22/0x30 [ +0.000031] ? ice_clean_tx_ring+0xa/0xd0 [ice] [ +0.000194] ice_free_tx_ring+0xe/0x60 [ice] [ +0.000186] ice_destroy_xdp_rings+0x157/0x310 [ice] [ +0.000151] ice_vsi_decfg+0x53/0xe0 [ice] [ +0.000180] ice_vsi_rebuild+0x239/0x540 [ice] [ +0.000186] ice_vsi_rebuild_by_type+0x76/0x180 [ice] [ +0.000145] ice_rebuild+0x18c/0x840 [ice] [ +0.000145] ? delay_tsc+0x4a/0xc0 [ +0.000022] ? delay_tsc+0x92/0xc0 [ +0.000020] ice_do_reset+0x140/0x180 [ice] [ +0.000886] ice_service_task+0x404/0x1030 [ice] [ +0.000824] process_one_work+0x171/0x340 [ +0.000685] worker_thread+0x277/0x3a0 [ +0.000675] ? preempt_count_add+0x6a/0xa0 [ +0.000677] ? _raw_spin_lock_irqsave+0x23/0x50 [ +0.000679] ? __pfx_worker_thread+0x10/0x10 [ +0.000653] kthread+0xf0/0x120 [ +0.000635] ? __pfx_kthread+0x10/0x10 [ +0.000616] ret_from_fork+0x2d/0x50 [ +0.000612] ? __pfx_kthread+0x10/0x10 [ +0.000604] ret_from_fork_asm+0x1b/0x30 [ +0.000604] </TASK> The previous way of handling this through returning -EBUSY is not viable, particularly when destroying AF_XDP socket, because the kernel proceeds with removal anyway. There is plenty of code between those calls and there is no need to create a large critical section that covers all of them, same as there is no need to protect ice_vsi_rebuild() with rtnl_lock(). Add xdp_state_lock mutex to protect ice_vsi_rebuild() and ice_xdp(). Leaving unprotected sections in between would result in two states that have to be considered: 1. when the VSI is closed, but not yet rebuild 2. when VSI is already rebuild, but not yet open The latter case is actually already handled through !netif_running() case, we just need to adjust flag checking a little. The former one is not as trivial, because between ice_vsi_close() and ice_vsi_rebuild(), a lot of hardware interaction happens, this can make adding/deleting rings exit with an error. Luckily, VSI rebuild is pending and can apply new configuration for us in a managed fashion. Therefore, add an additional VSI state flag ICE_VSI_REBUILD_PENDING to indicate that ice_xdp() can just hot-swap the program. Also, as ice_vsi_rebuild() flow is touched in this patch, make it more consistent by deconfiguring VSI when coalesce allocation fails. Fixes: 2d4238f55697 ("ice: Add support for AF_XDP") Fixes: efc2214b6047 ("ice: Add support for XDP") Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Chandan Kumar Rout <chandanx.rout@intel.com> Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com> Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-09-03ice: move netif_queue_set_napi to rtnl-protected sectionsLarysa Zaremba4-118/+49
Currently, netif_queue_set_napi() is called from ice_vsi_rebuild() that is not rtnl-locked when called from the reset. This creates the need to take the rtnl_lock just for a single function and complicates the synchronization with .ndo_bpf. At the same time, there no actual need to fill napi-to-queue information at this exact point. Fill napi-to-queue information when opening the VSI and clear it when the VSI is being closed. Those routines are already rtnl-locked. Also, rewrite napi-to-queue assignment in a way that prevents inclusion of XDP queues, as this leads to out-of-bounds writes, such as one below. [ +0.000004] BUG: KASAN: slab-out-of-bounds in netif_queue_set_napi+0x1c2/0x1e0 [ +0.000012] Write of size 8 at addr ffff889881727c80 by task bash/7047 [ +0.000006] CPU: 24 PID: 7047 Comm: bash Not tainted 6.10.0-rc2+ #2 [ +0.000004] Hardware name: Intel Corporation S2600WFT/S2600WFT, BIOS SE5C620.86B.02.01.0014.082620210524 08/26/2021 [ +0.000003] Call Trace: [ +0.000003] <TASK> [ +0.000002] dump_stack_lvl+0x60/0x80 [ +0.000007] print_report+0xce/0x630 [ +0.000007] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ +0.000007] ? __virt_addr_valid+0x1c9/0x2c0 [ +0.000005] ? netif_queue_set_napi+0x1c2/0x1e0 [ +0.000003] kasan_report+0xe9/0x120 [ +0.000004] ? netif_queue_set_napi+0x1c2/0x1e0 [ +0.000004] netif_queue_set_napi+0x1c2/0x1e0 [ +0.000005] ice_vsi_close+0x161/0x670 [ice] [ +0.000114] ice_dis_vsi+0x22f/0x270 [ice] [ +0.000095] ice_pf_dis_all_vsi.constprop.0+0xae/0x1c0 [ice] [ +0.000086] ice_prepare_for_reset+0x299/0x750 [ice] [ +0.000087] pci_dev_save_and_disable+0x82/0xd0 [ +0.000006] pci_reset_function+0x12d/0x230 [ +0.000004] reset_store+0xa0/0x100 [ +0.000006] ? __pfx_reset_store+0x10/0x10 [ +0.000002] ? __pfx_mutex_lock+0x10/0x10 [ +0.000004] ? __check_object_size+0x4c1/0x640 [ +0.000007] kernfs_fop_write_iter+0x30b/0x4a0 [ +0.000006] vfs_write+0x5d6/0xdf0 [ +0.000005] ? fd_install+0x180/0x350 [ +0.000005] ? __pfx_vfs_write+0x10/0xA10 [ +0.000004] ? do_fcntl+0x52c/0xcd0 [ +0.000004] ? kasan_save_track+0x13/0x60 [ +0.000003] ? kasan_save_free_info+0x37/0x60 [ +0.000006] ksys_write+0xfa/0x1d0 [ +0.000003] ? __pfx_ksys_write+0x10/0x10 [ +0.000002] ? __x64_sys_fcntl+0x121/0x180 [ +0.000004] ? _raw_spin_lock+0x87/0xe0 [ +0.000005] do_syscall_64+0x80/0x170 [ +0.000007] ? _raw_spin_lock+0x87/0xe0 [ +0.000004] ? __pfx__raw_spin_lock+0x10/0x10 [ +0.000003] ? file_close_fd_locked+0x167/0x230 [ +0.000005] ? syscall_exit_to_user_mode+0x7d/0x220 [ +0.000005] ? do_syscall_64+0x8c/0x170 [ +0.000004] ? do_syscall_64+0x8c/0x170 [ +0.000003] ? do_syscall_64+0x8c/0x170 [ +0.000003] ? fput+0x1a/0x2c0 [ +0.000004] ? filp_close+0x19/0x30 [ +0.000004] ? do_dup2+0x25a/0x4c0 [ +0.000004] ? __x64_sys_dup2+0x6e/0x2e0 [ +0.000002] ? syscall_exit_to_user_mode+0x7d/0x220 [ +0.000004] ? do_syscall_64+0x8c/0x170 [ +0.000003] ? __count_memcg_events+0x113/0x380 [ +0.000005] ? handle_mm_fault+0x136/0x820 [ +0.000005] ? do_user_addr_fault+0x444/0xa80 [ +0.000004] ? clear_bhb_loop+0x25/0x80 [ +0.000004] ? clear_bhb_loop+0x25/0x80 [ +0.000002] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ +0.000005] RIP: 0033:0x7f2033593154 Fixes: 080b0c8d6d26 ("ice: Fix ASSERT_RTNL() warning during certain scenarios") Fixes: 91fdbce7e8d6 ("ice: Add support in the driver for associating queue with napi") Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Reviewed-by: Amritha Nambiar <amritha.nambiar@intel.com> Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com> Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Tested-by: George Kuruvinakunnel <george.kuruvinakunnel@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-09-03cxgb: Remove unused declarationsYue Haibing2-4/+0
These functions were never implenmented since introduction in commit 8199d3a79c22 ("[PATCH] A new 10GB Ethernet Driver by Chelsio Communications") Signed-off-by: Yue Haibing <yuehaibing@huawei.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03cxgb4: Remove unused declarationsYue Haibing3-7/+0
Commit e2d14b42c25c ("cxgb4: Remove WOL get/set ethtool support") removed t4_wol_magic_enable() and t4_wol_pat_enable() but leave declarations. Commit 02d805dc5fe3 ("cxgb4: use new fw interface to get the VIN and smt index") leave behind cxgb4_tp_smt_idx(). cxgb4_dcb_set_caps() is never implemented and used since introduction in commit 76bcb31efc06 ("cxgb4 : Add DCBx support codebase and dcbnl_ops"). Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Yue Haibing <yuehaibing@huawei.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03cxgb3: Remove unused declarationsYue Haibing1-2/+0
Commit 4d22de3e6cc4 ("Add support for the latest 1G/10G Chelsio adapter, T3.") declared but never implemented these. Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Yue Haibing <yuehaibing@huawei.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03net: bcmasp: Simplify with scoped for each OF child loopJinjie Ruan1-3/+2
Use scoped for_each_available_child_of_node_scoped() when iterating over device nodes to make code a bit simpler. Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com> Reviewed-by: Justin Chen <justin.chen@broadcom.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03net: mv643xx_eth: Simplify with scoped for each OF child loopJinjie Ruan1-3/+2
Use scoped for_each_available_child_of_node_scoped() when iterating over device nodes to make code a bit simpler. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03net: stmmac: dwmac-sun8i: Use for_each_child_of_node_scoped()Jinjie Ruan1-4/+2
Avoid need to manually handle of_node_put() by using for_each_child_of_node_scoped(), which can simplfy code. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03netdev_features: convert NETIF_F_FCOE_MTU to dev->fcoe_mtuAlexander Lobakin6-17/+12
Ability to handle maximum FCoE frames of 2158 bytes can never be changed and thus more of an attribute, not a toggleable feature. Move it from netdev_features_t to "cold" priv flags (bitfield bool) and free yet another feature bit. Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03netdev_features: convert NETIF_F_NETNS_LOCAL to dev->netns_localAlexander Lobakin7-9/+14
"Interface can't change network namespaces" is rather an attribute, not a feature, and it can't be changed via Ethtool. Make it a "cold" private flag instead of a netdev_feature and free one more bit. Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03netdev_features: convert NETIF_F_LLTX to dev->lltxAlexander Lobakin11-15/+20
NETIF_F_LLTX can't be changed via Ethtool and is not a feature, rather an attribute, very similar to IFF_NO_QUEUE (and hot). Free one netdev_features_t bit and make it a "hot" private flag. Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03netdevice: convert private flags > BIT(31) to bitfieldsAlexander Lobakin1-1/+1
Make dev->priv_flags `u32` back and define bits higher than 31 as bitfield booleans as per Jakub's suggestion. This simplifies code which accesses these bits with no optimization loss (testb both before/after), allows to not extend &netdev_priv_flags each time, but also scales better as bits > 63 in the future would only add a new u64 to the structure with no complications, comparing to that extending ::priv_flags would require converting it to a bitmap. Note that I picked `unsigned long :1` to not lose any potential optimizations comparing to `bool :1` etc. Suggested-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03net: ethernet: ti: am65-cpsw: Fix RX statistics for XDP_TX and XDP_REDIRECTRoger Quadros1-4/+13
We are not using ndev->stats for rx_packets and rx_bytes anymore. Instead, we use per CPU stats which are collated in am65_cpsw_nuss_ndo_get_stats(). Fix RX statistics for XDP_TX and XDP_REDIRECT cases. Fixes: 8acacc40f733 ("net: ethernet: ti: am65-cpsw: Add minimal XDP support") Signed-off-by: Roger Quadros <rogerq@kernel.org> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Acked-by: Julien Panis <jpanis@baylibre.com> Reviewed-by: MD Danish Anwar <danishanwar@ti.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03net: ethernet: ti: am65-cpsw: Fix NULL dereference on XDP_TXRoger Quadros1-1/+2
If number of TX queues are set to 1 we get a NULL pointer dereference during XDP_TX. ~# ethtool -L eth0 tx 1 ~# ./xdp-trafficgen udp -A <ipv6-src> -a <ipv6-dst> eth0 -t 2 Transmitting on eth0 (ifindex 2) [ 241.135257] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000030 Fix this by using actual TX queues instead of max TX queues when picking the TX channel in am65_cpsw_ndo_xdp_xmit(). Fixes: 8acacc40f733 ("net: ethernet: ti: am65-cpsw: Add minimal XDP support") Signed-off-by: Roger Quadros <rogerq@kernel.org> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Acked-by: Julien Panis <jpanis@baylibre.com> Reviewed-by: MD Danish Anwar <danishanwar@ti.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03net: ethernet: ti: am65-cpsw: fix XDP_DROP, XDP_TX and XDP_REDIRECTRoger Quadros1-28/+34
The following XDP_DROP test from [1] stalls the interface after 250 packets. ~# xdb-bench drop -m native eth0 This is because new RX requests are never queued. Fix that. The below XDP_TX test from [1] fails with a warning [ 499.947381] XDP_WARN: xdp_update_frame_from_buff(line:277): Driver BUG: missing reserved tailroom ~# xdb-bench tx -m native eth0 Fix that by using PAGE_SIZE during xdp_init_buf(). In XDP_REDIRECT case only 1 packet was processed in rx_poll. Fix it to process up to budget packets. Fix all XDP error cases to call trace_xdp_exception() and drop the packet in am65_cpsw_run_xdp(). [1] xdp-tools suite https://github.com/xdp-project/xdp-tools Fixes: 8acacc40f733 ("net: ethernet: ti: am65-cpsw: Add minimal XDP support") Signed-off-by: Roger Quadros <rogerq@kernel.org> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Acked-by: Julien Panis <jpanis@baylibre.com> Reviewed-by: MD Danish Anwar <danishanwar@ti.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03r8169: add support for RTL8126A rev.bChunHao Lin3-15/+29
Add support for RTL8126A rev.b. Its XID is 0x64a. It is basically based on the one with XID 0x649, but with different firmware file. Signed-off-by: ChunHao Lin <hau@realtek.com> Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://patch.msgid.link/20240830021810.11993-1-hau@realtek.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-02net: stmmac: drop the ethtool begin() callbackAndrew Halaney1-8/+0
This callback doesn't seem to serve much purpose, and prevents things like: - systemd.link files from disabling autonegotiation - carrier detection in NetworkManager - any ethtool setting prior to userspace bringing the link up. The only fear I can think of is accessing unclocked resources due to pm_runtime, but ethtool ioctls handle that as of commit f32a21376573 ("ethtool: runtime-resume netdev parent before ethtool ioctl ops") Reviewed-by: Dmitry Dolenko <d.dolenko@metrotek.ru> Tested-by: Dmitry Dolenko <d.dolenko@metrotek.ru> Signed-off-by: Andrew Halaney <ahalaney@redhat.com> Reviewed-by: Alexander Lobakin <aleksander.lobakin@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-09-02igc: Unlock on error in igc_io_resume()Dan Carpenter1-0/+1
Call rtnl_unlock() on this error path, before returning. Fixes: bc23aa949aeb ("igc: Add pcie error handler support") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Gerhard Engleder <gerhard@engleder-embedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-09-02net: microchip: vcap: Fix use-after-free error in kunit testJens Emil Schulz Østergaard1-12/+2
This is a clear use-after-free error. We remove it, and rely on checking the return code of vcap_del_rule. Reported-by: Dan Carpenter <error27@gmail.com> Closes: https://lore.kernel.org/kernel-janitors/7bffefc6-219a-4f71-baa0-ad4526e5c198@kili.mountain/ Fixes: c956b9b318d9 ("net: microchip: sparx5: Adding KUNIT tests of key/action values in VCAP API") Signed-off-by: Jens Emil Schulz Østergaard <jensemil.schulzostergaard@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-09-01octeontx2-af: configure default CPT credits for CN10KA B0Srujana Challa3-0/+39
The maximum CPT credits that RXC can use are now configurable on CN10KA B0 through a hardware CSR. This patch sets the default value to optimize peak performance, aligning it with other chip versions. Signed-off-by: Srujana Challa <schalla@marvell.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-09-01octeontx2-af: avoid RXC register access for CN10KBSrujana Challa2-3/+24
This patch modifies the driver to prevent access to RXC hardware registers on the CN10KB, as RXC is not available on this chip. Signed-off-by: Srujana Challa <schalla@marvell.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-09-01octeontx2-af: use dynamic interrupt vectors for CN10KSrujana Challa3-20/+80
This patch updates the driver to use a dynamic number of vectors instead of a hard-coded value. This change accommodates the CN10KB, which has 2 vectors, unlike the previously supported chips that have 3 vectors. Signed-off-by: Srujana Challa <schalla@marvell.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-08-30i40e: Add Energy Efficient Ethernet ability for X710 Base-T/KR/KX cardsAleksandr Loktionov3-7/+54
Add "EEE: Enabled/Disabled" to dmesg for supported X710 Base-T/KR/KX cards. According to the IEEE standard report the EEE ability and the EEE Link Partner ability. Use the kernel's 'ethtool_keee' structure and report EEE link modes. Example: dmesg | grep 'NIC Link is' ethtool --show-eee <device> Before: NIC Link is Up, 10 Gbps Full Duplex, Flow Control: None Supported EEE link modes: Not reported Advertised EEE link modes: Not reported Link partner advertised EEE link modes: Not reported After: NIC Link is Up, 10 Gbps Full Duplex, Flow Control: None, EEE: Enabled Supported EEE link modes: 100baseT/Full 1000baseT/Full 10000baseT/Full Advertised EEE link modes: 100baseT/Full 1000baseT/Full 10000baseT/Full Link partner advertised EEE link modes: 100baseT/Full 1000baseT/Full 10000baseT/Full Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com> Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Reviewed-by: Simon Horman <horms@kernel.org> Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-08-30e1000e: avoid failing the system during pm_suspendVitaly Lifshits1-8/+11
Occasionally when the system goes into pm_suspend, the suspend might fail due to a PHY access error on the network adapter. Previously, this would have caused the whole system to fail to go to a low power state. An example of this was reported in the following Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=205015 [ 1663.694828] e1000e 0000:00:19.0 eth0: Failed to disable ULP [ 1664.731040] asix 2-3:1.0 eth1: link up, 100Mbps, full-duplex, lpa 0xC1E1 [ 1665.093513] e1000e 0000:00:19.0 eth0: Hardware Error [ 1665.596760] e1000e 0000:00:19.0: pci_pm_resume+0x0/0x80 returned 0 after 2975399 usecs and then the system never recovers from it, and all the following suspend failed due to this [22909.393854] PM: pci_pm_suspend(): e1000e_pm_suspend+0x0/0x760 [e1000e] returns -2 [22909.393858] PM: dpm_run_callback(): pci_pm_suspend+0x0/0x160 returns -2 [22909.393861] PM: Device 0000:00:1f.6 failed to suspend async: error -2 This can be avoided by changing the return values of __e1000_shutdown and e1000e_pm_suspend functions so that they always return 0 (success). This is consistent with what other drivers do. If the e1000e driver encounters a hardware error during suspend, potential side effects include slightly higher power draw or non-working wake on LAN. This is preferred to a system-level suspend failure, and a warning message is written to the system log, so that the user can be aware that the LAN controller experienced a problem during suspend. Link: https://bugzilla.kernel.org/show_bug.cgi?id=205015 Suggested-by: Dima Ruinskiy <dima.ruinskiy@intel.com> Signed-off-by: Vitaly Lifshits <vitaly.lifshits@intel.com> Tested-by: Mor Bar-Gabay <morx.bar.gabay@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-08-30nfp: Convert to use ERR_CAST()Shen Lichuan1-1/+1
Use ERR_CAST() as it is designed for casting an error pointer to another type. Signed-off-by: Shen Lichuan <shenlichuan@vivo.com> Link: https://patch.msgid.link/20240829072538.33195-1-shenlichuan@vivo.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-30sfc: Convert to use ERR_CAST()Shen Lichuan1-1/+1
As opposed to open-code, using the ERR_CAST macro clearly indicates that this is a pointer to an error value and a type conversion was performed. Signed-off-by: Shen Lichuan <shenlichuan@vivo.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Reviewed-by: Martin Habets <habetsm.xilinx@gmail.com> Reviewed-by: Edward Cree <ecree.xilinx@gmail.com> Link: https://patch.msgid.link/20240829021253.3066-1-shenlichuan@vivo.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-30igc: Move the MULTI GBT AN Control Register to _regs fileSasha Neftin3-3/+5
MULTI GBT AN Control Register is IEEE Standard Register 7.32 (not a mask). The right place should be in igc_reg.h file. In accordance with the registers naming convention added IGC_' prefix. Signed-off-by: Sasha Neftin <sasha.neftin@intel.com> Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de> Tested-by: Avigail Dahan <avigailx.dahan@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-08-30igc: Add Energy Efficient Ethernet abilitySasha Neftin3-1/+89
According to the IEEE standard report the EEE ability (registers 7.60 and 7.62) and the EEE Link Partner ability (registers 7.61 and 7.63). Use the kernel's 'ethtool_keee' structure and report EEE link modes. Example: ethtool --show-eee <device> Before: Advertised EEE link modes: Not reported Link partner advertised EEE link modes: Not reported After: Advertised EEE link modes: 100baseT/Full 1000baseT/Full 2500baseT/Full Link partner advertised EEE link modes: 100baseT/Full 1000baseT/Full 2500baseT/Full Signed-off-by: Sasha Neftin <sasha.neftin@intel.com> Tested-by: Avigail Dahan <avigailx.dahan@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-08-30igc: Get rid of spurious interruptsKurt Kanzenbach2-4/+27
When running the igc with XDP/ZC in busy polling mode with deferral of hard interrupts, interrupts still happen from time to time. That is caused by the igc task watchdog which triggers Rx interrupts periodically. That mechanism has been introduced to overcome skb/memory allocation failures [1]. So the Rx clean functions stop processing the Rx ring in case of such failure. The task watchdog triggers Rx interrupts periodically in the hope that memory became available in the mean time. The current behavior is undesirable for real time applications, because the driver induced Rx interrupts trigger also the softirq processing. However, all real time packets should be processed by the application which uses the busy polling method. Therefore, only trigger the Rx interrupts in case of real allocation failures. Introduce a new flag for signaling that condition. [1] - https://git.kernel.org/pub/scm/linux/kernel/git/tglx/history.git/commit/?id=3be507547e6177e5c808544bd6a2efa2c7f1d436 Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> Acked-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de> Reviewed-by: Simon Horman <horms@kernel.org> Tested-by: Mor Bar-Gabay <morx.bar.gabay@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-08-30igc: Add MQPRIO offload supportKurt Kanzenbach6-2/+161
Add support for offloading MQPRIO. The hardware has four priorities as well as four queues. Each queue must be a assigned with a unique priority. However, the priorities are only considered in TSN Tx mode. There are two TSN Tx modes. In case of MQPRIO the Qbv capability is not required. Therefore, use the legacy TSN Tx mode, which performs strict priority arbitration. Example for mqprio with hardware offload: |tc qdisc replace dev ${INTERFACE} handle 100 parent root mqprio num_tc 4 \ | map 0 0 0 0 0 1 2 3 0 0 0 0 0 0 0 0 \ | queues 1@0 1@1 1@2 1@3 \ | hw 1 The mqprio Qdisc also allows to configure the `preemptible_tcs'. However, frame preemption is not supported yet. Tested on Intel i225 and implemented by following data sheet section 7.5.2, Transmit Scheduling. Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de> Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com> Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> Reviewed-by: Simon Horman <horms@kernel.org> Tested-by: Mor Bar-Gabay <morx.bar.gabay@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-08-30bnxt_en: Support dynamic MSIXMichael Chan1-3/+34
A range of MSIX vectors are allocated at initialization for the number needed for RocE and L2. During run-time, if the user increases or decreases the number of L2 rings, all the MSIX vectors have to be freed and a new range has to be allocated. This is not optimal and causes disruptions to RoCE traffic every time there is a change in L2 MSIX. If the system supports dynamic MSIX allocations, use dynamic allocation to add new L2 MSIX vectors or free unneeded L2 MSIX vectors. RoCE traffic is not affected using this scheme. Reviewed-by: Hongguang Gao <hongguang.gao@broadcom.com> Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com> Reviewed-by: Simon Horman <horms@kernel.org> Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com> Link: https://patch.msgid.link/20240828183235.128948-10-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-30bnxt_en: Allocate the max bp->irq_tbl size for dynamic msix allocationMichael Chan1-2/+5
If dynamic MSIX allocation is supported, additional MSIX can be allocated at run-time without reinitializing the existing MSIX entries. The first step to support this dynamic scheme is to allocate a large enough bp->irq_tbl if dynamic allocation is supported. Reviewed-by: Hongguang Gao <hongguang.gao@broadcom.com> Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com> Reviewed-by: Simon Horman <horms@kernel.org> Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Link: https://patch.msgid.link/20240828183235.128948-9-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-30bnxt_en: Replace deprecated PCI MSIX APIsMichael Chan1-16/+5
Use the new pci_alloc_irq_vectors() and pci_free_irq_vectors() to replace the deprecated pci_enable_msix_range() and pci_disable_msix(). Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com> Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com> Reviewed-by: Simon Horman <horms@kernel.org> Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Link: https://patch.msgid.link/20240828183235.128948-8-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-30bnxt_en: Remove register mapping to support INTXMichael Chan2-21/+0
In legacy INTX mode, a register is mapped so that the INTX handler can read it to determine if the NIC is the source of the interrupt. This and all the related macros are no longer needed now that INTX is no longer supported. Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com> Reviewed-by: Hongguang Gao <hongguang.gao@broadcom.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Link: https://patch.msgid.link/20240828183235.128948-7-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-30bnxt_en: Remove BNXT_FLAG_USING_MSIX flagMichael Chan3-88/+17
Now that we only support MSIX, the BNXT_FLAG_USING_MSIX is always true. Remove it and any if conditions checking for it. Remove the INTX handler and associated logic. Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com> Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com> Reviewed-by: Hongguang Gao <hongguang.gao@broadcom.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Link: https://patch.msgid.link/20240828183235.128948-6-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-30bnxt_en: Deprecate support for legacy INTX modeMichael Chan2-36/+8
Firmware has deprecated support for legacy INTX in 2022 (since v2.27) and INTX hasn't been tested for many years before that. INTX was only used as a fallback mechansim in case MSIX wasn't available. MSIX is always supported by all firmware. If MSIX capability in PCI config space is not found during probe, abort. Reviewed-by: Hongguang Gao <hongguang.gao@broadcom.com> Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com> Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Link: https://patch.msgid.link/20240828183235.128948-5-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-30bnxt_en: Support QOS and TPID settings for the SRIOV VLANSreekanth Reddy3-12/+15
With recent changes in the .ndo_set_vf_*() guidelines, resubmitting this patch that was reverted eariler in 2023: c27153682eac ("Revert "bnxt_en: Support QOS and TPID settings for the SRIOV VLAN") Add these missing settings in the .ndo_set_vf_vlan() method. Older firmware does not support the TPID setting so check for proper support. Remove the unused BNXT_VF_QOS flag. Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Link: https://patch.msgid.link/20240828183235.128948-4-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-30bnxt_en: add support for retrieving crash dump using ethtoolVikas Gupta2-9/+84
Add support for retrieving crash dump using ethtool -w on the supported interface. Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com> Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com> Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Link: https://patch.msgid.link/20240828183235.128948-3-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-08-30bnxt_en: add support for storing crash dump into host memoryVikas Gupta4-5/+116
Newer firmware supports automatic DMA of crash dump to host memory when it crashes. If the feature is supported, allocate the required memory using the existing context memory infrastructure. Communicate the page table containing the DMA addresses to the firmware. Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com> Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com> Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Link: https://patch.msgid.link/20240828183235.128948-2-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>