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path: root/drivers/net/ethernet/intel/ixgbe
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2024-09-06ixgbe: 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 <[email protected]> Reviewed-by: Rahul Rameshbabu <[email protected]> Signed-off-by: Gal Pressman <[email protected]> Reviewed-by: Tony Nguyen <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2024-09-03netdev_features: convert NETIF_F_FCOE_MTU to dev->fcoe_mtuAlexander Lobakin5-13/+10
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 <[email protected]> Signed-off-by: Paolo Abeni <[email protected]>
2024-07-15Merge branch 'net-make-timestamping-selectable'Jakub Kicinski1-1/+1
First part of "net: Make timestamping selectable" from Kory Maincent. Change the driver-facing type already to lower rebasing pain. Link: https://lore.kernel.org/[email protected]/ Signed-off-by: Jakub Kicinski <[email protected]>
2024-07-15net: Add struct kernel_ethtool_ts_infoKory Maincent1-1/+1
In prevision to add new UAPI for hwtstamp we will be limited to the struct ethtool_ts_info that is currently passed in fixed binary format through the ETHTOOL_GET_TS_INFO ethtool ioctl. It would be good if new kernel code already started operating on an extensible kernel variant of that structure, similar in concept to struct kernel_hwtstamp_config vs struct hwtstamp_config. Since struct ethtool_ts_info is in include/uapi/linux/ethtool.h, here we introduce the kernel-only structure in include/linux/ethtool.h. The manual copy is then made in the function called by ETHTOOL_GET_TS_INFO. Acked-by: Shannon Nelson <[email protected]> Acked-by: Alexandra Winter <[email protected]> Signed-off-by: Kory Maincent <[email protected]> Link: https://patch.msgid.link/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2024-07-11net: intel: Remove MODULE_AUTHORsTony Nguyen1-1/+0
We are moving away from the Sourceforge email address. Rather than removing or updating the email for the affected entries, remove the MODULE_AUTHOR altogether as its usage is incorrect [1]. Link: https://lore.kernel.org/netdev/20200626115236.7f36d379@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com/ [1] Reviewed-by: Jesse Brandeburg <[email protected]> Acked-by: Alexander Lobakin <[email protected]> # libeth, libie Reviewed-by: Simon Horman <[email protected]> Signed-off-by: Tony Nguyen <[email protected]>
2024-06-10net: intel: Use *-y instead of *-objs in MakefileAndy Shevchenko1-4/+4
*-objs suffix is reserved rather for (user-space) host programs while usually *-y suffix is used for kernel drivers (although *-objs works for that purpose for now). Let's correct the old usages of *-objs in Makefiles. Reviewed-by: Aleksandr Loktionov <[email protected]> Reviewed-by: Alexander Lobakin <[email protected]> Signed-off-by: Andy Shevchenko <[email protected]> Reviewed-by: Jacob Keller <[email protected]> Tested-by: Pucha Himasekhar Reddy <[email protected]> Signed-off-by: Jacob Keller <[email protected]> Link: https://lore.kernel.org/r/20240607-next-2024-06-03-intel-next-batch-v3-1-d1470cee3347@intel.com Signed-off-by: Jakub Kicinski <[email protected]>
2024-05-23Merge tag 'net-6.10-rc1' of ↵Linus Torvalds2-56/+3
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Paolo Abeni: "Quite smaller than usual. Notably it includes the fix for the unix regression from the past weeks. The TCP window fix will require some follow-up, already queued. Current release - regressions: - af_unix: fix garbage collection of embryos Previous releases - regressions: - af_unix: fix race between GC and receive path - ipv6: sr: fix missing sk_buff release in seg6_input_core - tcp: remove 64 KByte limit for initial tp->rcv_wnd value - eth: r8169: fix rx hangup - eth: lan966x: remove ptp traps in case the ptp is not enabled - eth: ixgbe: fix link breakage vs cisco switches - eth: ice: prevent ethtool from corrupting the channels Previous releases - always broken: - openvswitch: set the skbuff pkt_type for proper pmtud support - tcp: Fix shift-out-of-bounds in dctcp_update_alpha() Misc: - a bunch of selftests stabilization patches" * tag 'net-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (25 commits) r8169: Fix possible ring buffer corruption on fragmented Tx packets. idpf: Interpret .set_channels() input differently ice: Interpret .set_channels() input differently nfc: nci: Fix handling of zero-length payload packets in nci_rx_work() net: relax socket state check at accept time. tcp: remove 64 KByte limit for initial tp->rcv_wnd value net: ti: icssg_prueth: Fix NULL pointer dereference in prueth_probe() tls: fix missing memory barrier in tls_init net: fec: avoid lock evasion when reading pps_enable Revert "ixgbe: Manual AN-37 for troublesome link partners for X550 SFI" testing: net-drv: use stats64 for testing net: mana: Fix the extra HZ in mana_hwc_send_request net: lan966x: Remove ptp traps in case the ptp is not enabled. openvswitch: Set the skbuff pkt_type for proper pmtud support. selftest: af_unix: Make SCM_RIGHTS into OOB data. af_unix: Fix garbage collection of embryos carrying OOB with SCM_RIGHTS tcp: Fix shift-out-of-bounds in dctcp_update_alpha(). selftests/net: use tc rule to filter the na packet ipv6: sr: fix memleak in seg6_hmac_init_algo af_unix: Update unix_sk(sk)->oob_skb under sk_receive_queue lock. ...
2024-05-23Revert "ixgbe: Manual AN-37 for troublesome link partners for X550 SFI"Jacob Keller2-56/+3
This reverts commit 565736048bd5f9888990569993c6b6bfdf6dcb6d. According to the commit, it implements a manual AN-37 for some "troublesome" Juniper MX5 switches. This appears to be a workaround for a particular switch. It has been reported that this causes a severe breakage for other switches, including a Cisco 3560CX-12PD-S. The code appears to be a workaround for a specific switch which fails to link in SFI mode. It expects to see AN-37 auto negotiation in order to link. The Cisco switch is not expecting AN-37 auto negotiation. When the device starts the manual AN-37, the Cisco switch decides that the port is confused and stops attempting to link with it. This persists until a power cycle. A simple driver unload and reload does not resolve the issue, even if loading with a version of the driver which lacks this workaround. The authors of the workaround commit have not responded with clarifications, and the result of the workaround is complete failure to connect with other switches. This appears to be a case where the driver can either "correctly" link with the Juniper MX5 switch, at the cost of bricking the link with the Cisco switch, or it can behave properly for the Cisco switch, but fail to link with the Junipir MX5 switch. I do not know enough about the standards involved to clearly determine whether either switch is at fault or behaving incorrectly. Nor do I know whether there exists some alternative fix which corrects behavior with both switches. Revert the workaround for the Juniper switch. Fixes: 565736048bd5 ("ixgbe: Manual AN-37 for troublesome link partners for X550 SFI") Link: https://lore.kernel.org/netdev/[email protected]/T/ Link: https://forum.proxmox.com/threads/intel-x553-sfp-ixgbe-no-go-on-pve8.135129/#post-612291 Signed-off-by: Jacob Keller <[email protected]> Cc: Jeff Daly <[email protected]> Cc: [email protected] Reviewed-by: Simon Horman <[email protected]> Link: https://lore.kernel.org/r/20240520-net-2024-05-20-revert-silicom-switch-workaround-v1-1-50f80f261c94@intel.com Signed-off-by: Paolo Abeni <[email protected]>
2024-05-20Merge tag 'dma-mapping-6.10-2024-05-20' of ↵Linus Torvalds1-1/+1
git://git.infradead.org/users/hch/dma-mapping Pull dma-mapping updates from Christoph Hellwig: - optimize DMA sync calls when they are no-ops (Alexander Lobakin) - fix swiotlb padding for untrusted devices (Michael Kelley) - add documentation for swiotb (Michael Kelley) * tag 'dma-mapping-6.10-2024-05-20' of git://git.infradead.org/users/hch/dma-mapping: dma: fix DMA sync for drivers not calling dma_set_mask*() xsk: use generic DMA sync shortcut instead of a custom one page_pool: check for DMA sync shortcut earlier page_pool: don't use driver-set flags field directly page_pool: make sure frag API fields don't span between cachelines iommu/dma: avoid expensive indirect calls for sync operations dma: avoid redundant calls for sync operations dma: compile-out DMA sync op calls when not used iommu/dma: fix zeroing of bounce buffer padding used by untrusted devices swiotlb: remove alloc_size argument to swiotlb_tbl_map_single() Documentation/core-api: add swiotlb documentation
2024-05-08net: e1000e & ixgbe: Remove PCI_HEADER_TYPE_MFD duplicatesIlpo Järvinen1-1/+0
PCI_HEADER_TYPE_MULTIFUNC is define by e1000e and ixgbe and both are unused. There is already PCI_HEADER_TYPE_MFD in pci_regs.h anyway which should be used instead so remove the duplicated defines of it. Signed-off-by: Ilpo Järvinen <[email protected]> Reviewed-by: Hariprasad Kelam <[email protected]> Reviewed-by: Jesse Brandeburg <[email protected]> Acked-by: Sasha Neftin <[email protected]> Signed-off-by: Tony Nguyen <[email protected]>
2024-05-08xsk: use generic DMA sync shortcut instead of a custom oneAlexander Lobakin1-1/+1
XSk infra's been using its own DMA sync shortcut to try avoiding redundant function calls. Now that there is a generic one, remove the custom implementation and rely on the generic helpers. xsk_buff_dma_sync_for_cpu() doesn't need the second argument anymore, remove it. Signed-off-by: Alexander Lobakin <[email protected]> Signed-off-by: Christoph Hellwig <[email protected]>
2024-05-07net: annotate writes on dev->mtu from ndo_change_mtu()Eric Dumazet1-1/+1
Simon reported that ndo_change_mtu() methods were never updated to use WRITE_ONCE(dev->mtu, new_mtu) as hinted in commit 501a90c94510 ("inet: protect against too small mtu values.") We read dev->mtu without holding RTNL in many places, with READ_ONCE() annotations. It is time to take care of ndo_change_mtu() methods to use corresponding WRITE_ONCE() Signed-off-by: Eric Dumazet <[email protected]> Reported-by: Simon Horman <[email protected]> Closes: https://lore.kernel.org/netdev/[email protected]/ Reviewed-by: Jacob Keller <[email protected]> Reviewed-by: Sabrina Dubroca <[email protected]> Reviewed-by: Simon Horman <[email protected]> Acked-by: Shannon Nelson <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2024-04-01Merge branch '1GbE' of ↵Jakub Kicinski1-4/+4
git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue Tony Nguyen says: ==================== Intel Wired LAN Driver Updates 2024-03-29 (net: intel) This series contains updates to most Intel drivers. Jesse moves declaration of pci_driver struct to remove need for forward declarations in igb and converts Intel drivers to user newer power management ops. Sasha reworks power management flow on igc to avoid using rtnl_lock() during those flows. Maciej reorganizes i40e_nvm file to avoid forward declarations. * '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue: i40e: avoid forward declarations in i40e_nvm.c igc: Refactor runtime power management flow net: intel: implement modern PM ops declarations igb: simplify pci ops declaration ==================== Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2024-03-29netlink: introduce type-checking attribute iterationJohannes Berg1-8/+3
There are, especially with multi-attr arrays, many cases of needing to iterate all attributes of a specific type in a netlink message or a nested attribute. Add specific macros to support that case. Also convert many instances using this spatch: @@ iterator nla_for_each_attr; iterator name nla_for_each_attr_type; identifier nla; expression head, len, rem; expression ATTR; type T; identifier x; @@ -nla_for_each_attr(nla, head, len, rem) +nla_for_each_attr_type(nla, ATTR, head, len, rem) { <... T x; ...> -if (nla_type(nla) == ATTR) { ... -} } @@ identifier nla; iterator nla_for_each_nested; iterator name nla_for_each_nested_type; expression attr, rem; expression ATTR; type T; identifier x; @@ -nla_for_each_nested(nla, attr, rem) +nla_for_each_nested_type(nla, ATTR, attr, rem) { <... T x; ...> -if (nla_type(nla) == ATTR) { ... -} } @@ iterator nla_for_each_attr; iterator name nla_for_each_attr_type; identifier nla; expression head, len, rem; expression ATTR; type T; identifier x; @@ -nla_for_each_attr(nla, head, len, rem) +nla_for_each_attr_type(nla, ATTR, head, len, rem) { <... T x; ...> -if (nla_type(nla) != ATTR) continue; ... } @@ identifier nla; iterator nla_for_each_nested; iterator name nla_for_each_nested_type; expression attr, rem; expression ATTR; type T; identifier x; @@ -nla_for_each_nested(nla, attr, rem) +nla_for_each_nested_type(nla, ATTR, attr, rem) { <... T x; ...> -if (nla_type(nla) != ATTR) continue; ... } Although I had to undo one bad change this made, and I also adjusted some other code for whitespace and to use direct variable initialization now. Signed-off-by: Johannes Berg <[email protected]> Link: https://lore.kernel.org/r/20240328203144.b5a6c895fb80.I1869b44767379f204998ff44dd239803f39c23e0@changeid Signed-off-by: Jakub Kicinski <[email protected]>
2024-03-29net: intel: implement modern PM ops declarationsJesse Brandeburg1-4/+4
Switch the Intel networking drivers to use the new power management ops declaration formats and macros, which allows us to drop __maybe_unused, as well as a bunch of ifdef checking CONFIG_PM. This is safe to do because the compiler drops the unused functions, verified by checking for any of the power management function symbols being present in System.map for a build without CONFIG_PM. If a driver has runtime PM, define the ops with pm_ptr(), and if the driver has Simple PM, use pm_sleep_ptr(), as well as the new versions of the macros for declaring the members of the pm_ops structs. Checked with network-enabled allnoconfig, allyesconfig, allmodconfig on x64_64. Reviewed-by: Alan Brady <[email protected]> Signed-off-by: Jesse Brandeburg <[email protected]> Reviewed-by: Maciej Fijalkowski <[email protected]> Tested-by: Pucha Himasekhar Reddy <[email protected]> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <[email protected]>
2024-03-28net: remove gfp_mask from napi_alloc_skb()Jakub Kicinski1-2/+1
__napi_alloc_skb() is napi_alloc_skb() with the added flexibility of choosing gfp_mask. This is a NAPI function, so GFP_ATOMIC is implied. The only practical choice the caller has is whether to set __GFP_NOWARN. But that's a false choice, too, allocation failures in atomic context will happen, and printing warnings in logs, effectively for a packet drop, is both too much and very likely non-actionable. This leads me to a conclusion that most uses of napi_alloc_skb() are simply misguided, and should use __GFP_NOWARN in the first place. We also have a "standard" way of reporting allocation failures via the queue stat API (qstats::rx-alloc-fail). The direct motivation for this patch is that one of the drivers used at Meta calls napi_alloc_skb() (so prior to this patch without __GFP_NOWARN), and the resulting OOM warning is the top networking warning in our fleet. Reviewed-by: Alexander Lobakin <[email protected]> Reviewed-by: Simon Horman <[email protected]> Reviewed-by: Eric Dumazet <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2024-03-25ixgbe: avoid sleeping allocation in ixgbe_ipsec_vf_add_sa()Przemek Kitszel1-8/+8
Change kzalloc() flags used in ixgbe_ipsec_vf_add_sa() to GFP_ATOMIC, to avoid sleeping in IRQ context. Dan Carpenter, with the help of Smatch, has found following issue: The patch eda0333ac293: "ixgbe: add VF IPsec management" from Aug 13, 2018 (linux-next), leads to the following Smatch static checker warning: drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c:917 ixgbe_ipsec_vf_add_sa() warn: sleeping in IRQ context The call tree that Smatch is worried about is: ixgbe_msix_other() <- IRQ handler -> ixgbe_msg_task() -> ixgbe_rcv_msg_from_vf() -> ixgbe_ipsec_vf_add_sa() Fixes: eda0333ac293 ("ixgbe: add VF IPsec management") Reported-by: Dan Carpenter <[email protected]> Link: https://lore.kernel.org/intel-wired-lan/[email protected] Reviewed-by: Michal Kubiak <[email protected]> Signed-off-by: Przemek Kitszel <[email protected]> Reviewed-by: Shannon Nelson <[email protected]> Tested-by: Pucha Himasekhar Reddy <[email protected]> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <[email protected]>
2024-03-08Merge branch '40GbE' of ↵David S. Miller3-25/+53
git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue Tony Nguyen says: ==================== Intel Wired LAN Driver Updates 2024-03-06 (iavf, i40e, ixgbe) This series contains updates to iavf, i40e, and ixgbe drivers. Alexey Kodanev removes duplicate calls related to cloud filters on iavf and unnecessary null checks on i40e. Maciej adds helper functions for common code relating to updating statistics for ixgbe. ==================== Signed-off-by: David S. Miller <[email protected]>
2024-03-07Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski1-7/+49
Cross-merge networking fixes after downstream PR. No conflicts. Adjacent changes: net/core/page_pool_user.c 0b11b1c5c320 ("netdev: let netlink core handle -EMSGSIZE errors") 429679dcf7d9 ("page_pool: fix netlink dump stop/resume") Signed-off-by: Jakub Kicinski <[email protected]>
2024-03-06ixgbe: pull out stats update to common routinesMaciej Fijalkowski3-25/+53
Introduce ixgbe_update_{r,t}x_ring_stats() that will be used by both standard and ZC datapath. Signed-off-by: Maciej Fijalkowski <[email protected]> Signed-off-by: Tony Nguyen <[email protected]>
2024-03-04ixgbe: Add 1000BASE-BX supportErnesto Castellotti5-5/+38
Added support for 1000BASE-BX, i.e. Gigabit Ethernet over single strand of single-mode fiber. The initialization of a 1000BASE-BX SFP is the same as 1000BASE-SX/LX with the only difference that the Bit Rate Nominal Value must be checked to make sure it is a Gigabit Ethernet transceiver, as described by the SFF-8472 specification. This was tested with the FS.com SFP-GE-BX 1310/1490nm 10km transceiver: $ ethtool -m eth4 Identifier : 0x03 (SFP) Extended identifier : 0x04 (GBIC/SFP defined by 2-wire interface ID) Connector : 0x07 (LC) Transceiver codes : 0x00 0x00 0x00 0x40 0x00 0x00 0x00 0x00 0x00 Transceiver type : Ethernet: BASE-BX10 Encoding : 0x01 (8B/10B) BR, Nominal : 1300MBd Rate identifier : 0x00 (unspecified) Length (SMF,km) : 10km Length (SMF) : 10000m Length (50um) : 0m Length (62.5um) : 0m Length (Copper) : 0m Length (OM3) : 0m Laser wavelength : 1310nm Vendor name : FS Vendor OUI : 64:9d:99 Vendor PN : SFP-GE-BX Vendor rev : Option values : 0x20 0x0a Option : RX_LOS implemented Option : TX_FAULT implemented Option : Power level 3 requirement BR margin, max : 0% BR margin, min : 0% Vendor SN : S2202359108 Date code : 220307 Optical diagnostics support : Yes Laser bias current : 17.650 mA Laser output power : 0.2132 mW / -6.71 dBm Receiver signal average optical power : 0.2740 mW / -5.62 dBm Module temperature : 47.30 degrees C / 117.13 degrees F Module voltage : 3.2576 V Alarm/warning flags implemented : Yes Laser bias current high alarm : Off Laser bias current low alarm : Off Laser bias current high warning : Off Laser bias current low warning : Off Laser output power high alarm : Off Laser output power low alarm : Off Laser output power high warning : Off Laser output power low warning : Off Module temperature high alarm : Off Module temperature low alarm : Off Module temperature high warning : Off Module temperature low warning : Off Module voltage high alarm : Off Module voltage low alarm : Off Module voltage high warning : Off Module voltage low warning : Off Laser rx power high alarm : Off Laser rx power low alarm : Off Laser rx power high warning : Off Laser rx power low warning : Off Laser bias current high alarm threshold : 110.000 mA Laser bias current low alarm threshold : 1.000 mA Laser bias current high warning threshold : 100.000 mA Laser bias current low warning threshold : 1.000 mA Laser output power high alarm threshold : 0.7079 mW / -1.50 dBm Laser output power low alarm threshold : 0.0891 mW / -10.50 dBm Laser output power high warning threshold : 0.6310 mW / -2.00 dBm Laser output power low warning threshold : 0.1000 mW / -10.00 dBm Module temperature high alarm threshold : 90.00 degrees C / 194.00 degrees F Module temperature low alarm threshold : -45.00 degrees C / -49.00 degrees F Module temperature high warning threshold : 85.00 degrees C / 185.00 degrees F Module temperature low warning threshold : -40.00 degrees C / -40.00 degrees F Module voltage high alarm threshold : 3.7950 V Module voltage low alarm threshold : 2.8050 V Module voltage high warning threshold : 3.4650 V Module voltage low warning threshold : 3.1350 V Laser rx power high alarm threshold : 0.7079 mW / -1.50 dBm Laser rx power low alarm threshold : 0.0028 mW / -25.53 dBm Laser rx power high warning threshold : 0.6310 mW / -2.00 dBm Laser rx power low warning threshold : 0.0032 mW / -24.95 dBm Signed-off-by: Ernesto Castellotti <[email protected]> Reviewed-by: Przemek Kitszel <[email protected]> Tested-by: Sunitha Mekala <[email protected]> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2024-03-04intel: make module parameters readable in sys filesystemJon Maxwell1-1/+1
Linux users sometimes need an easy way to check current values of module parameters. For example the module may be manually reloaded with different parameters. Make these visible and readable in the /sys filesystem to allow that. But don't make the "debug" module parameter visible as debugging is enabled via ethtool msglvl. Signed-off-by: Jon Maxwell <[email protected]> Reviewed-by: Jacob Keller <[email protected]> Tested-by: Pucha Himasekhar Reddy <[email protected]> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2024-03-04net: adopt skb_network_offset() and similar helpersEric Dumazet1-1/+1
This is a cleanup patch, making code a bit more concise. 1) Use skb_network_offset(skb) in place of (skb_network_header(skb) - skb->data) 2) Use -skb_network_offset(skb) in place of (skb->data - skb_network_header(skb)) 3) Use skb_transport_offset(skb) in place of (skb_transport_header(skb) - skb->data) 4) Use skb_inner_transport_offset(skb) in place of (skb_inner_transport_header(skb) - skb->data) Signed-off-by: Eric Dumazet <[email protected]> Acked-by: Edward Cree <[email protected]> # for sfc Signed-off-by: David S. Miller <[email protected]>
2024-03-01ixgbe: {dis, en}able irqs in ixgbe_txrx_ring_{dis, en}ableMaciej Fijalkowski1-7/+49
Currently routines that are supposed to toggle state of ring pair do not take care of associated interrupt with queue vector that these rings belong to. This causes funky issues such as dead interface due to irq misconfiguration, as per Pavel's report from Closes: tag. Add a function responsible for disabling single IRQ in EIMC register and call this as a very first thing when disabling ring pair during xsk_pool setup. For enable let's reuse ixgbe_irq_enable_queues(). Besides this, disable/enable NAPI as first/last thing when dealing with closing or opening ring pair that xsk_pool is being configured on. Reported-by: Pavel Vazharov <[email protected]> Closes: https://lore.kernel.org/netdev/CAJEV1ijxNyPTwASJER1bcZzS9nMoZJqfR86nu_3jFFVXzZQ4NA@mail.gmail.com/ Fixes: 024aa5800f32 ("ixgbe: added Rx/Tx ring disable/enable functions") Signed-off-by: Maciej Fijalkowski <[email protected]> Acked-by: Magnus Karlsson <[email protected]> Tested-by: Chandan Kumar Rout <[email protected]> (A Contingent Worker at Intel) Signed-off-by: Tony Nguyen <[email protected]>
2024-02-28net: ethernet: ixgbe: Convert EEE to use linkmodesAndrew Lunn1-23/+25
Convert the tables to make use of ETHTOOL link mode bits, rather than the old u32 SUPPORTED speeds. Make use of the linkmode helps to set bits and compare linkmodes. As a result, the _u32 members of keee are no longer used, a step towards removing them. Signed-off-by: Andrew Lunn <[email protected]> Reviewed-by: Simon Horman <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2024-02-06ixgbe: Clarify the values of the returning statusJedrzej Jagielski1-4/+4
Converting s32 functions to regular int in the previous patch of the series caused triggering smatch warnings about missing error code. New smatch warnings: drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c:2884 ixgbe_get_lcd_t_x550em() warn: missing error code? 'status' drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c:3130 ixgbe_enter_lplu_t_x550em() warn: missing error code? 'status' Old smatch warnings: drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c:2890 ixgbe_get_lcd_t_x550em() warn: missing error code? 'status' Fix it by clearly stating returning error code as 0. Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> Closes: https://lore.kernel.org/r/[email protected]/ Reviewed-by: Simon Horman <[email protected]> Signed-off-by: Jedrzej Jagielski <[email protected]> Tested-by: Pucha Himasekhar Reddy <[email protected]> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <[email protected]>
2024-02-06ixgbe: Rearrange args to fix reverse Christmas treeJedrzej Jagielski7-119/+120
Clean up the code touched during type conversion by the previous patch of the series. Suggested-by: Tony Nguyen <[email protected]> Reviewed-by: Przemek Kitszel <[email protected]> Reviewed-by: Simon Horman <[email protected]> Signed-off-by: Jedrzej Jagielski <[email protected]> Signed-off-by: Tony Nguyen <[email protected]>
2024-02-06ixgbe: Convert ret val type from s32 to intJedrzej Jagielski22-769/+744
Currently big amount of the functions returning standard error codes are of type s32. Convert them to regular ints as typdefs here are not necessary to return standard error codes. Fix incorrect args alignment in touched functions. Suggested-by: Jacob Keller <[email protected]> Reviewed-by: Jacob Keller <[email protected]> Reviewed-by: Simon Horman <[email protected]> Signed-off-by: Jedrzej Jagielski <[email protected]> Tested-by: Pucha Himasekhar Reddy <[email protected]> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <[email protected]>
2024-02-01Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski1-1/+2
Cross-merge networking fixes after downstream PR. No conflicts or adjacent changes. Signed-off-by: Jakub Kicinski <[email protected]>
2024-01-31ethtool: add suffix _u32 to legacy bitmap members of struct ethtool_keeeHeiner Kallweit1-9/+9
This is in preparation of using the existing names for linkmode bitmaps. Suggested-by: Andrew Lunn <[email protected]> Signed-off-by: Heiner Kallweit <[email protected]> Reviewed-by: Andrew Lunn <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2024-01-31ethtool: replace struct ethtool_eee with a new struct ethtool_keee on kernel ↵Heiner Kallweit1-5/+5
side In order to pass EEE link modes beyond bit 32 to userspace we have to complement the 32 bit bitmaps in struct ethtool_eee with linkmode bitmaps. Therefore, similar to ethtool_link_settings and ethtool_link_ksettings, add a struct ethtool_keee. In a first step it's an identical copy of ethtool_eee. This patch simply does a s/ethtool_eee/ethtool_keee/g for all users. No functional change intended. Suggested-by: Andrew Lunn <[email protected]> Signed-off-by: Heiner Kallweit <[email protected]> Reviewed-by: Andrew Lunn <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2024-01-29ixgbe: Fix an error handling path in ixgbe_read_iosf_sb_reg_x550()Christophe JAILLET1-1/+2
All error handling paths, except this one, go to 'out' where release_swfw_sync() is called. This call balances the acquire_swfw_sync() call done at the beginning of the function. Branch to the error handling path in order to correctly release some resources in case of error. Fixes: ae14a1d8e104 ("ixgbe: Fix IOSF SB access issues") Signed-off-by: Christophe JAILLET <[email protected]> Reviewed-by: Simon Horman <[email protected]> Tested-by: Pucha Himasekhar Reddy <[email protected]> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <[email protected]>
2024-01-02ixgbe: Refactor returning internal error codesJedrzej Jagielski12-317/+264
Change returning codes to the kernel ones instead of the internal ones for the entire ixgbe driver. Reviewed-by: Jacob Keller <[email protected]> Reviewed-by: Przemek Kitszel <[email protected]> Reviewed-by: Simon Horman <[email protected]> Signed-off-by: Jedrzej Jagielski <[email protected]> Tested-by: Sunitha Mekala <[email protected]> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <[email protected]>
2024-01-02ixgbe: Refactor overtemp event handlingJedrzej Jagielski5-41/+43
Currently ixgbe driver is notified of overheating events via internal IXGBE_ERR_OVERTEMP error code. Change the approach for handle_lasi() to use freshly introduced is_overtemp function parameter which set when such event occurs. Change check_overtemp() to bool and return true if overtemp event occurs. Reviewed-by: Przemek Kitszel <[email protected]> Signed-off-by: Jedrzej Jagielski <[email protected]> Reviewed-by: Jacob Keller <[email protected]> Reviewed-by: Simon Horman <[email protected]> Tested-by: Sunitha Mekala <[email protected]> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <[email protected]>
2024-01-02ixgbe: report link state for VF devicesOvidiu Panait1-0/+1
The link state of VF devices can be controlled via "ip link set", but the current state (auto/disabled) is not reported by "ip link show". Update ixgbe_ndo_get_vf_config() to make this info available to userspace. Reviewed-by: Przemek Kitszel <[email protected]> Signed-off-by: Ovidiu Panait <[email protected]> Tested-by: Rafal Romanowski <[email protected]> Signed-off-by: Tony Nguyen <[email protected]>
2023-12-18intel: legacy: field get conversionJesse Brandeburg6-42/+33
Refactor several older Intel drivers to use FIELD_GET(), which reduces lines of code and adds clarity of intent. This code was generated by the following coccinelle/spatch script and then manually repaired. @get@ constant shift,mask; type T; expression a; @@ ( -((T)((a) & mask) >> shift) +FIELD_GET(mask, a) and applied via: spatch --sp-file field_prep.cocci --in-place --dir \ drivers/net/ethernet/intel/ Cc: Julia Lawall <[email protected]> CC: Alexander Lobakin <[email protected]> Reviewed-by: Marcin Szycik <[email protected]> Reviewed-by: Simon Horman <[email protected]> Signed-off-by: Jesse Brandeburg <[email protected]> Tested-by: Pucha Himasekhar Reddy <[email protected]> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <[email protected]>
2023-12-18intel: legacy: field prep conversionJesse Brandeburg2-3/+3
Refactor several older Intel drivers to use FIELD_PREP(), which reduces lines of code and adds clarity of intent. This code was generated by the following coccinelle/spatch script and then manually repaired. @prep2@ constant shift,mask; type T; expression a; @@ -(((T)(a) << shift) & mask) +FIELD_PREP(mask, a) @prep@ constant shift,mask; type T; expression a; @@ -((T)((a) << shift) & mask) +FIELD_PREP(mask, a) Cc: Julia Lawall <[email protected]> Reviewed-by: Marcin Szycik <[email protected]> Reviewed-by: Simon Horman <[email protected]> Signed-off-by: Jesse Brandeburg <[email protected]> Tested-by: Pucha Himasekhar Reddy <[email protected]> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <[email protected]>
2023-12-13net: ethtool: pass a pointer to parameters to get/set_rxfh ethtool opsAhmed Zaki1-16/+19
The get/set_rxfh ethtool ops currently takes the rxfh (RSS) parameters as direct function arguments. This will force us to change the API (and all drivers' functions) every time some new parameters are added. This is part 1/2 of the fix, as suggested in [1]: - First simplify the code by always providing a pointer to all params (indir, key and func); the fact that some of them may be NULL seems like a weird historic thing or a premature optimization. It will simplify the drivers if all pointers are always present. - Then make the functions take a dev pointer, and a pointer to a single struct wrapping all arguments. The set_* should also take an extack. Link: https://lore.kernel.org/netdev/[email protected]/ [1] Suggested-by: Jakub Kicinski <[email protected]> Suggested-by: Jacob Keller <[email protected]> Signed-off-by: Ahmed Zaki <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-12-08net: Convert some ethtool_sprintf() to ethtool_puts()[email protected]1-3/+2
This patch converts some basic cases of ethtool_sprintf() to ethtool_puts(). The conversions are used in cases where ethtool_sprintf() was being used with just two arguments: | ethtool_sprintf(&data, buffer[i].name); or when it's used with format string: "%s" | ethtool_sprintf(&data, "%s", buffer[i].name); which both now become: | ethtool_puts(&data, buffer[i].name); Signed-off-by: Justin Stitt <[email protected]> Reviewed-by: Wei Fang <[email protected]> Reviewed-by: Andrew Lunn <[email protected]> Reviewed-by: Louis Peens <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2023-10-20ixgbe: fix end of loop test in ixgbe_set_vf_macvlan()Dan Carpenter1-9/+10
The list iterator in a list_for_each_entry() loop can never be NULL. If the loop exits without hitting a break then the iterator points to an offset off the list head and dereferencing it is an out of bounds access. Before we transitioned to using list_for_each_entry() loops, then it was possible for "entry" to be NULL and the comments mention this. I have updated the comments to match the new code. Fixes: c1fec890458a ("ethernet/intel: Use list_for_each_entry() helper") Signed-off-by: Dan Carpenter <[email protected]> Reviewed-by: Simon Horman <[email protected]> Reviewed-by: Jesse Brandeburg <[email protected]> Tested-by: Rafal Romanowski <[email protected]> Signed-off-by: Jacob Keller <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2023-10-18intel: fix format warningsJesse Brandeburg1-2/+2
Get ahead of the game and fix all the -Wformat=2 noted warnings in the intel drivers directory. There are one set of i40e and iavf warnings I couldn't figure out how to fix because the driver is already using vsnprintf without an explicit "const char *" format string. Tested with both gcc-12 and clang-15. I found gcc-12 runs clean after this series but clang-15 is a little worried about the vsnprintf lines. summary of warnings: drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c:148:34: warning: format string is not a string literal [-Wformat-nonliteral] drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c:1416:24: warning: format string is not a string literal (potentially insecure) [-Wformat-security] drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c:1416:24: note: treat the string as an argument to avoid this drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c:1421:6: warning: format string is not a string literal (potentially insecure) [-Wformat-security] drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c:1421:6: note: treat the string as an argument to avoid this drivers/net/ethernet/intel/igc/igc_ethtool.c:776:24: warning: format string is not a string literal (potentially insecure) [-Wformat-security] drivers/net/ethernet/intel/igc/igc_ethtool.c:776:24: note: treat the string as an argument to avoid this drivers/net/ethernet/intel/igc/igc_ethtool.c:779:6: warning: format string is not a string literal (potentially insecure) [-Wformat-security] drivers/net/ethernet/intel/igc/igc_ethtool.c:779:6: note: treat the string as an argument to avoid this drivers/net/ethernet/intel/iavf/iavf_ethtool.c:199:34: warning: format string is not a string literal [-Wformat-nonliteral] drivers/net/ethernet/intel/igb/igb_ethtool.c:2360:6: warning: format string is not a string literal (potentially insecure) [-Wformat-security] drivers/net/ethernet/intel/igb/igb_ethtool.c:2360:6: note: treat the string as an argument to avoid this drivers/net/ethernet/intel/igb/igb_ethtool.c:2363:6: warning: format string is not a string literal (potentially insecure) [-Wformat-security] drivers/net/ethernet/intel/igb/igb_ethtool.c:2363:6: note: treat the string as an argument to avoid this drivers/net/ethernet/intel/i40e/i40e_ethtool.c:208:34: warning: format string is not a string literal [-Wformat-nonliteral] drivers/net/ethernet/intel/i40e/i40e_ethtool.c:2515:23: warning: format string is not a string literal (potentially insecure) [-Wformat-security] drivers/net/ethernet/intel/i40e/i40e_ethtool.c:2515:23: note: treat the string as an argument to avoid this drivers/net/ethernet/intel/i40e/i40e_ethtool.c:2519:23: warning: format string is not a string literal (potentially insecure) [-Wformat-security] drivers/net/ethernet/intel/i40e/i40e_ethtool.c:2519:23: note: treat the string as an argument to avoid this drivers/net/ethernet/intel/ice/ice_ethtool.c:1064:6: warning: format string is not a string literal (potentially insecure) [-Wformat-security] drivers/net/ethernet/intel/ice/ice_ethtool.c:1064:6: note: treat the string as an argument to avoid this drivers/net/ethernet/intel/ice/ice_ethtool.c:1084:6: warning: format string is not a string literal (potentially insecure) [-Wformat-security] drivers/net/ethernet/intel/ice/ice_ethtool.c:1084:6: note: treat the string as an argument to avoid this drivers/net/ethernet/intel/ice/ice_ethtool.c:1100:24: warning: format string is not a string literal (potentially insecure) [-Wformat-security] drivers/net/ethernet/intel/ice/ice_ethtool.c:1100:24: note: treat the string as an argument to avoid this Suggested-by: Alexander Lobakin <[email protected]> Reviewed-by: Przemek Kitszel <[email protected]> Signed-off-by: Jesse Brandeburg <[email protected]> Tested-by: Pucha Himasekhar Reddy <[email protected]> (A Contingent worker at Intel) Signed-off-by: Jacob Keller <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-10-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski1-2/+3
Cross-merge networking fixes after downstream PR. No conflicts. Adjacent changes: kernel/bpf/verifier.c 829955981c55 ("bpf: Fix verifier log for async callback return values") a923819fb2c5 ("bpf: Treat first argument as return value for bpf_throw") Signed-off-by: Jakub Kicinski <[email protected]>
2023-10-10ixgbe: fix crash with empty VF macvlan listDan Carpenter1-2/+3
The adapter->vf_mvs.l list needs to be initialized even if the list is empty. Otherwise it will lead to crashes. Fixes: a1cbb15c1397 ("ixgbe: Add macvlan support for VF") Signed-off-by: Dan Carpenter <[email protected]> Reviewed-by: Simon Horman <[email protected]> Reviewed-by: Jesse Brandeburg <[email protected]> Link: https://lore.kernel.org/r/ZSADNdIw8zFx1xw2@kadam Signed-off-by: Paolo Abeni <[email protected]>
2023-10-03net: Tree wide: Replace xdp_do_flush_map() with xdp_do_flush().Sebastian Andrzej Siewior2-2/+2
xdp_do_flush_map() is deprecated and new code should use xdp_do_flush() instead. Replace xdp_do_flush_map() with xdp_do_flush(). Cc: AngeloGioacchino Del Regno <[email protected]> Cc: Clark Wang <[email protected]> Cc: Claudiu Manoil <[email protected]> Cc: David Arinzon <[email protected]> Cc: Edward Cree <[email protected]> Cc: Felix Fietkau <[email protected]> Cc: Grygorii Strashko <[email protected]> Cc: Jassi Brar <[email protected]> Cc: Jesse Brandeburg <[email protected]> Cc: John Crispin <[email protected]> Cc: Leon Romanovsky <[email protected]> Cc: Lorenzo Bianconi <[email protected]> Cc: Louis Peens <[email protected]> Cc: Marcin Wojtas <[email protected]> Cc: Mark Lee <[email protected]> Cc: Matthias Brugger <[email protected]> Cc: NXP Linux Team <[email protected]> Cc: Noam Dagan <[email protected]> Cc: Russell King <[email protected]> Cc: Saeed Bishara <[email protected]> Cc: Saeed Mahameed <[email protected]> Cc: Sean Wang <[email protected]> Cc: Shay Agroskin <[email protected]> Cc: Shenwei Wang <[email protected]> Cc: Thomas Petazzoni <[email protected]> Cc: Tony Nguyen <[email protected]> Cc: Vladimir Oltean <[email protected]> Cc: Wei Fang <[email protected]> Signed-off-by: Sebastian Andrzej Siewior <[email protected]> Acked-by: Arthur Kiyanovski <[email protected]> Acked-by: Toke Høiland-Jørgensen <[email protected]> Acked-by: Ilias Apalodimas <[email protected]> Acked-by: Martin Habets <[email protected]> Acked-by: Jesper Dangaard Brouer <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-09-28ethernet/intel: Use list_for_each_entry() helperJinjie Ruan1-5/+2
Convert list_for_each() to list_for_each_entry() where applicable. No functional changed. Signed-off-by: Jinjie Ruan <[email protected]> Reviewed-by: Jacob Keller <[email protected]> Tested-by: Rafal Romanowski <[email protected]> Signed-off-by: Tony Nguyen <[email protected]> Reviewed-by: Simon Horman <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Paolo Abeni <[email protected]>
2023-09-13ixgbe: fix timestamp configuration codeVadim Fedorenko1-13/+15
The commit in fixes introduced flags to control the status of hardware configuration while processing packets. At the same time another structure is used to provide configuration of timestamper to user-space applications. The way it was coded makes this structures go out of sync easily. The repro is easy for 82599 chips: [root@hostname ~]# hwstamp_ctl -i eth0 -r 12 -t 1 current settings: tx_type 0 rx_filter 0 new settings: tx_type 1 rx_filter 12 The eth0 device is properly configured to timestamp any PTPv2 events. [root@hostname ~]# hwstamp_ctl -i eth0 -r 1 -t 1 current settings: tx_type 1 rx_filter 12 SIOCSHWTSTAMP failed: Numerical result out of range The requested time stamping mode is not supported by the hardware. The error is properly returned because HW doesn't support all packets timestamping. But the adapter->flags is cleared of timestamp flags even though no HW configuration was done. From that point no RX timestamps are received by user-space application. But configuration shows good values: [root@hostname ~]# hwstamp_ctl -i eth0 current settings: tx_type 1 rx_filter 12 Fix the issue by applying new flags only when the HW was actually configured. Fixes: a9763f3cb54c ("ixgbe: Update PTP to support X550EM_x devices") Signed-off-by: Vadim Fedorenko <[email protected]> Reviewed-by: Simon Horman <[email protected]> Tested-by: Pucha Himasekhar Reddy <[email protected]> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2023-08-08rtnetlink: remove redundant checks for nlattr IFLA_BRIDGE_MODELin Ma1-3/+0
The commit d73ef2d69c0d ("rtnetlink: let rtnl_bridge_setlink checks IFLA_BRIDGE_MODE length") added the nla_len check in rtnl_bridge_setlink, which is the only caller for ndo_bridge_setlink handlers defined in low-level driver codes. Hence, this patch cleanups the redundant checks in each ndo_bridge_setlink handler function. Suggested-by: Hangbin Liu <[email protected]> Signed-off-by: Lin Ma <[email protected]> Acked-by: Pavan Chebbi <[email protected]> Reviewed-by: Simon Horman <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-08-08ixgbe: Remove unused function declarationsYue Haibing2-7/+0
Commit dc166e22ede5 ("ixgbe: DCB remove ixgbe_fcoe_getapp routine") leave ixgbe_fcoe_getapp() unused. Commit ffed21bcee7a ("ixgbe: Don't bother clearing buffer memory for descriptor rings") leave ixgbe_unmap_and_free_tx_resource() declaration unused. And commit 3b3bf3b92b31 ("ixgbe: remove unused fcoe.tc field and fcoe_setapp()") removed the ixgbe_fcoe_setapp() implementation. Commit c44ade9ef8ff ("ixgbe: update to latest common code module") declared but never implemented ixgbe_init_ops_generic(). Signed-off-by: Yue Haibing <[email protected]> Reviewed-by: Simon Horman <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2023-07-24vxlan: calculate correct header length for GPEJiri Benc1-1/+1
VXLAN-GPE does not add an extra inner Ethernet header. Take that into account when calculating header length. This causes problems in skb_tunnel_check_pmtu, where incorrect PMTU is cached. In the collect_md mode (which is the only mode that VXLAN-GPE supports), there's no magic auto-setting of the tunnel interface MTU. It can't be, since the destination and thus the underlying interface may be different for each packet. So, the administrator is responsible for setting the correct tunnel interface MTU. Apparently, the administrators are capable enough to calculate that the maximum MTU for VXLAN-GPE is (their_lower_MTU - 36). They set the tunnel interface MTU to 1464. If you run a TCP stream over such interface, it's then segmented according to the MTU 1464, i.e. producing 1514 bytes frames. Which is okay, this still fits the lower MTU. However, skb_tunnel_check_pmtu (called from vxlan_xmit_one) uses 50 as the header size and thus incorrectly calculates the frame size to be 1528. This leads to ICMP too big message being generated (locally), PMTU of 1450 to be cached and the TCP stream to be resegmented. The fix is to use the correct actual header size, especially for skb_tunnel_check_pmtu calculation. Fixes: e1e5314de08ba ("vxlan: implement GPE") Signed-off-by: Jiri Benc <[email protected]> Reviewed-by: Simon Horman <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2023-06-07eth: ixgbe: fix the wake conditionJakub Kicinski1-1/+1
Flip the netif_carrier_ok() condition in queue wake logic. When I moved it to inside __netif_txq_completed_wake() I missed negating it. This made the condition ineffective and could probably lead to crashes. Fixes: 301f227fc860 ("net: piggy back on the memory barrier in bql when waking queues") Reviewed-by: Tony Nguyen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
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