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2024-09-24r8169: add missing MODULE_FIRMWARE entry for RTL8126A rev.bHeiner Kallweit1-0/+1
Add a missing MODULE_FIRMWARE entry. Fixes: 69cb89981c7a ("r8169: add support for RTL8126A rev.b") Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://patch.msgid.link/bb307611-d129-43f5-a7ff-bdb6b4044fce@gmail.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-24net: ravb: Fix R-Car RX frame size limitPaul Barker1-2/+10
The RX frame size limit should not be based on the current MTU setting. Instead it should be based on the hardware capabilities. While we're here, improve the description of the receive frame length setting as suggested by Niklas. Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper") Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-24net: ravb: Fix maximum TX frame size for GbEth devicesPaul Barker2-1/+6
The datasheets for all SoCs using the GbEth IP specify a maximum transmission frame size of 1.5 kByte. I've confirmed through internal discussions that support for 1522 byte frames has been validated, which allows us to support the default MTU of 1500 bytes after reserving space for the Ethernet header, frame checksums and an optional VLAN tag. Fixes: 2e95e08ac009 ("ravb: Add rx_max_buf_size to struct ravb_hw_info") Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-24net: stmmac: Fix zero-division error when disabling tc cbsKhaiWenTan1-0/+1
The commit b8c43360f6e4 ("net: stmmac: No need to calculate speed divider when offload is disabled") allows the "port_transmit_rate_kbps" to be set to a value of 0, which is then passed to the "div_s64" function when tc-cbs is disabled. This leads to a zero-division error. When tc-cbs is disabled, the idleslope, sendslope, and credit values the credit values are not required to be configured. Therefore, adding a return statement after setting the txQ mode to DCB when tc-cbs is disabled would prevent a zero-division error. Fixes: b8c43360f6e4 ("net: stmmac: No need to calculate speed divider when offload is disabled") Cc: <stable@vger.kernel.org> Co-developed-by: Choong Yong Liang <yong.liang.choong@linux.intel.com> Signed-off-by: Choong Yong Liang <yong.liang.choong@linux.intel.com> Signed-off-by: KhaiWenTan <khai.wen.tan@linux.intel.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20240918061422.1589662-1-khai.wen.tan@linux.intel.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-24r8169: add tally counter fields added with RTL8125Heiner Kallweit1-0/+27
RTL8125 added fields to the tally counter, what may result in the chip dma'ing these new fields to unallocated memory. Therefore make sure that the allocated memory area is big enough to hold all of the tally counter values, even if we use only parts of it. Fixes: f1bce4ad2f1c ("r8169: add support for RTL8125") Cc: stable@vger.kernel.org Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/741d26a9-2b2b-485d-91d9-ecb302e345b5@gmail.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-24net: phy: aquantia: fix applying active_low bit after resetDaniel Golle1-3/+2
for_each_set_bit was used wrongly in aqr107_config_init() when iterating over LEDs. Drop misleading 'index' variable and call aqr_phy_led_active_low_set() for each set bit representing an LED which is driven by VDD instead of GND pin. Fixes: 61578f679378 ("net: phy: aquantia: add support for PHY LEDs") Signed-off-by: Daniel Golle <daniel@makrotopia.org> Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Link: https://patch.msgid.link/9b1f0cd91f4cda54c8be56b4fe780480baf4aa0f.1726580902.git.daniel@makrotopia.org Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-24net: phy: aquantia: fix setting active_low bitDaniel Golle1-1/+2
phy_modify_mmd was used wrongly in aqr_phy_led_active_low_set() resulting in a no-op instead of setting the VEND1_GLOBAL_LED_DRIVE_VDD bit. Correctly set VEND1_GLOBAL_LED_DRIVE_VDD bit. Fixes: 61578f679378 ("net: phy: aquantia: add support for PHY LEDs") Signed-off-by: Daniel Golle <daniel@makrotopia.org> Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Link: https://patch.msgid.link/ab963584b0a7e3b4dac39472a4b82ca264d79630.1726580902.git.daniel@makrotopia.org Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-24net: qrtr: Update packets cloning when broadcastingYoussef Samir1-1/+1
When broadcasting data to multiple nodes via MHI, using skb_clone() causes all nodes to receive the same header data. This can result in packets being discarded by endpoints, leading to lost data. This issue occurs when a socket is closed, and a QRTR_TYPE_DEL_CLIENT packet is broadcasted. All nodes receive the same destination node ID, causing the node connected to the client to discard the packet and remain unaware of the client's deletion. Replace skb_clone() with pskb_copy(), to create a separate copy of the header for each sk_buff. Fixes: bdabad3e363d ("net: Add Qualcomm IPC router") Signed-off-by: Youssef Samir <quic_yabdulra@quicinc.com> Reviewed-by: Jeffery Hugo <quic_jhugo@quicinc.com> Reviewed-by: Carl Vanderlip <quic_carlv@quicinc.com> Reviewed-by: Chris Lew <quic_clew@quicinc.com> Link: https://patch.msgid.link/20240916170858.2382247-1-quic_yabdulra@quicinc.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-23tcp: check skb is non-NULL in tcp_rto_delta_us()Josh Hunt1-2/+19
We have some machines running stock Ubuntu 20.04.6 which is their 5.4.0-174-generic kernel that are running ceph and recently hit a null ptr dereference in tcp_rearm_rto(). Initially hitting it from the TLP path, but then later we also saw it getting hit from the RACK case as well. Here are examples of the oops messages we saw in each of those cases: Jul 26 15:05:02 rx [11061395.780353] BUG: kernel NULL pointer dereference, address: 0000000000000020 Jul 26 15:05:02 rx [11061395.787572] #PF: supervisor read access in kernel mode Jul 26 15:05:02 rx [11061395.792971] #PF: error_code(0x0000) - not-present page Jul 26 15:05:02 rx [11061395.798362] PGD 0 P4D 0 Jul 26 15:05:02 rx [11061395.801164] Oops: 0000 [#1] SMP NOPTI Jul 26 15:05:02 rx [11061395.805091] CPU: 0 PID: 9180 Comm: msgr-worker-1 Tainted: G W 5.4.0-174-generic #193-Ubuntu Jul 26 15:05:02 rx [11061395.814996] Hardware name: Supermicro SMC 2x26 os-gen8 64C NVME-Y 256G/H12SSW-NTR, BIOS 2.5.V1.2U.NVMe.UEFI 05/09/2023 Jul 26 15:05:02 rx [11061395.825952] RIP: 0010:tcp_rearm_rto+0xe4/0x160 Jul 26 15:05:02 rx [11061395.830656] Code: 87 ca 04 00 00 00 5b 41 5c 41 5d 5d c3 c3 49 8b bc 24 40 06 00 00 eb 8d 48 bb cf f7 53 e3 a5 9b c4 20 4c 89 ef e8 0c fe 0e 00 <48> 8b 78 20 48 c1 ef 03 48 89 f8 41 8b bc 24 80 04 00 00 48 f7 e3 Jul 26 15:05:02 rx [11061395.849665] RSP: 0018:ffffb75d40003e08 EFLAGS: 00010246 Jul 26 15:05:02 rx [11061395.855149] RAX: 0000000000000000 RBX: 20c49ba5e353f7cf RCX: 0000000000000000 Jul 26 15:05:02 rx [11061395.862542] RDX: 0000000062177c30 RSI: 000000000000231c RDI: ffff9874ad283a60 Jul 26 15:05:02 rx [11061395.869933] RBP: ffffb75d40003e20 R08: 0000000000000000 R09: ffff987605e20aa8 Jul 26 15:05:02 rx [11061395.877318] R10: ffffb75d40003f00 R11: ffffb75d4460f740 R12: ffff9874ad283900 Jul 26 15:05:02 rx [11061395.884710] R13: ffff9874ad283a60 R14: ffff9874ad283980 R15: ffff9874ad283d30 Jul 26 15:05:02 rx [11061395.892095] FS: 00007f1ef4a2e700(0000) GS:ffff987605e00000(0000) knlGS:0000000000000000 Jul 26 15:05:02 rx [11061395.900438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jul 26 15:05:02 rx [11061395.906435] CR2: 0000000000000020 CR3: 0000003e450ba003 CR4: 0000000000760ef0 Jul 26 15:05:02 rx [11061395.913822] PKRU: 55555554 Jul 26 15:05:02 rx [11061395.916786] Call Trace: Jul 26 15:05:02 rx [11061395.919488] Jul 26 15:05:02 rx [11061395.921765] ? show_regs.cold+0x1a/0x1f Jul 26 15:05:02 rx [11061395.925859] ? __die+0x90/0xd9 Jul 26 15:05:02 rx [11061395.929169] ? no_context+0x196/0x380 Jul 26 15:05:02 rx [11061395.933088] ? ip6_protocol_deliver_rcu+0x4e0/0x4e0 Jul 26 15:05:02 rx [11061395.938216] ? ip6_sublist_rcv_finish+0x3d/0x50 Jul 26 15:05:02 rx [11061395.943000] ? __bad_area_nosemaphore+0x50/0x1a0 Jul 26 15:05:02 rx [11061395.947873] ? bad_area_nosemaphore+0x16/0x20 Jul 26 15:05:02 rx [11061395.952486] ? do_user_addr_fault+0x267/0x450 Jul 26 15:05:02 rx [11061395.957104] ? ipv6_list_rcv+0x112/0x140 Jul 26 15:05:02 rx [11061395.961279] ? __do_page_fault+0x58/0x90 Jul 26 15:05:02 rx [11061395.965458] ? do_page_fault+0x2c/0xe0 Jul 26 15:05:02 rx [11061395.969465] ? page_fault+0x34/0x40 Jul 26 15:05:02 rx [11061395.973217] ? tcp_rearm_rto+0xe4/0x160 Jul 26 15:05:02 rx [11061395.977313] ? tcp_rearm_rto+0xe4/0x160 Jul 26 15:05:02 rx [11061395.981408] tcp_send_loss_probe+0x10b/0x220 Jul 26 15:05:02 rx [11061395.985937] tcp_write_timer_handler+0x1b4/0x240 Jul 26 15:05:02 rx [11061395.990809] tcp_write_timer+0x9e/0xe0 Jul 26 15:05:02 rx [11061395.994814] ? tcp_write_timer_handler+0x240/0x240 Jul 26 15:05:02 rx [11061395.999866] call_timer_fn+0x32/0x130 Jul 26 15:05:02 rx [11061396.003782] __run_timers.part.0+0x180/0x280 Jul 26 15:05:02 rx [11061396.008309] ? recalibrate_cpu_khz+0x10/0x10 Jul 26 15:05:02 rx [11061396.012841] ? native_x2apic_icr_write+0x30/0x30 Jul 26 15:05:02 rx [11061396.017718] ? lapic_next_event+0x21/0x30 Jul 26 15:05:02 rx [11061396.021984] ? clockevents_program_event+0x8f/0xe0 Jul 26 15:05:02 rx [11061396.027035] run_timer_softirq+0x2a/0x50 Jul 26 15:05:02 rx [11061396.031212] __do_softirq+0xd1/0x2c1 Jul 26 15:05:02 rx [11061396.035044] do_softirq_own_stack+0x2a/0x40 Jul 26 15:05:02 rx [11061396.039480] Jul 26 15:05:02 rx [11061396.041840] do_softirq.part.0+0x46/0x50 Jul 26 15:05:02 rx [11061396.046022] __local_bh_enable_ip+0x50/0x60 Jul 26 15:05:02 rx [11061396.050460] _raw_spin_unlock_bh+0x1e/0x20 Jul 26 15:05:02 rx [11061396.054817] nf_conntrack_tcp_packet+0x29e/0xbe0 [nf_conntrack] Jul 26 15:05:02 rx [11061396.060994] ? get_l4proto+0xe7/0x190 [nf_conntrack] Jul 26 15:05:02 rx [11061396.066220] nf_conntrack_in+0xe9/0x670 [nf_conntrack] Jul 26 15:05:02 rx [11061396.071618] ipv6_conntrack_local+0x14/0x20 [nf_conntrack] Jul 26 15:05:02 rx [11061396.077356] nf_hook_slow+0x45/0xb0 Jul 26 15:05:02 rx [11061396.081098] ip6_xmit+0x3f0/0x5d0 Jul 26 15:05:02 rx [11061396.084670] ? ipv6_anycast_cleanup+0x50/0x50 Jul 26 15:05:02 rx [11061396.089282] ? __sk_dst_check+0x38/0x70 Jul 26 15:05:02 rx [11061396.093381] ? inet6_csk_route_socket+0x13b/0x200 Jul 26 15:05:02 rx [11061396.098346] inet6_csk_xmit+0xa7/0xf0 Jul 26 15:05:02 rx [11061396.102263] __tcp_transmit_skb+0x550/0xb30 Jul 26 15:05:02 rx [11061396.106701] tcp_write_xmit+0x3c6/0xc20 Jul 26 15:05:02 rx [11061396.110792] ? __alloc_skb+0x98/0x1d0 Jul 26 15:05:02 rx [11061396.114708] __tcp_push_pending_frames+0x37/0x100 Jul 26 15:05:02 rx [11061396.119667] tcp_push+0xfd/0x100 Jul 26 15:05:02 rx [11061396.123150] tcp_sendmsg_locked+0xc70/0xdd0 Jul 26 15:05:02 rx [11061396.127588] tcp_sendmsg+0x2d/0x50 Jul 26 15:05:02 rx [11061396.131245] inet6_sendmsg+0x43/0x70 Jul 26 15:05:02 rx [11061396.135075] __sock_sendmsg+0x48/0x70 Jul 26 15:05:02 rx [11061396.138994] ____sys_sendmsg+0x212/0x280 Jul 26 15:05:02 rx [11061396.143172] ___sys_sendmsg+0x88/0xd0 Jul 26 15:05:02 rx [11061396.147098] ? __seccomp_filter+0x7e/0x6b0 Jul 26 15:05:02 rx [11061396.151446] ? __switch_to+0x39c/0x460 Jul 26 15:05:02 rx [11061396.155453] ? __switch_to_asm+0x42/0x80 Jul 26 15:05:02 rx [11061396.159636] ? __switch_to_asm+0x5a/0x80 Jul 26 15:05:02 rx [11061396.163816] __sys_sendmsg+0x5c/0xa0 Jul 26 15:05:02 rx [11061396.167647] __x64_sys_sendmsg+0x1f/0x30 Jul 26 15:05:02 rx [11061396.171832] do_syscall_64+0x57/0x190 Jul 26 15:05:02 rx [11061396.175748] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 Jul 26 15:05:02 rx [11061396.181055] RIP: 0033:0x7f1ef692618d Jul 26 15:05:02 rx [11061396.184893] Code: 28 89 54 24 1c 48 89 74 24 10 89 7c 24 08 e8 ca ee ff ff 8b 54 24 1c 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 2f 44 89 c7 48 89 44 24 08 e8 fe ee ff ff 48 Jul 26 15:05:02 rx [11061396.203889] RSP: 002b:00007f1ef4a26aa0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e Jul 26 15:05:02 rx [11061396.211708] RAX: ffffffffffffffda RBX: 000000000000084b RCX: 00007f1ef692618d Jul 26 15:05:02 rx [11061396.219091] RDX: 0000000000004000 RSI: 00007f1ef4a26b10 RDI: 0000000000000275 Jul 26 15:05:02 rx [11061396.226475] RBP: 0000000000004000 R08: 0000000000000000 R09: 0000000000000020 Jul 26 15:05:02 rx [11061396.233859] R10: 0000000000000000 R11: 0000000000000293 R12: 000000000000084b Jul 26 15:05:02 rx [11061396.241243] R13: 00007f1ef4a26b10 R14: 0000000000000275 R15: 000055592030f1e8 Jul 26 15:05:02 rx [11061396.248628] Modules linked in: vrf bridge stp llc vxlan ip6_udp_tunnel udp_tunnel nls_iso8859_1 amd64_edac_mod edac_mce_amd kvm_amd kvm crct10dif_pclmul ghash_clmulni_intel aesni_intel crypto_simd cryptd glue_helper wmi_bmof ipmi_ssif input_leds joydev rndis_host cdc_ether usbnet mii ast drm_vram_helper ttm drm_kms_helper i2c_algo_bit fb_sys_fops syscopyarea sysfillrect sysimgblt ccp mac_hid ipmi_si ipmi_devintf ipmi_msghandler nft_ct sch_fq_codel nf_tables_set nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables nfnetlink ramoops reed_solomon efi_pstore drm ip_tables x_tables autofs4 raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid0 multipath linear mlx5_ib ib_uverbs ib_core raid1 mlx5_core hid_generic pci_hyperv_intf crc32_pclmul tls usbhid ahci mlxfw bnxt_en libahci hid nvme i2c_piix4 nvme_core wmi Jul 26 15:05:02 rx [11061396.324334] CR2: 0000000000000020 Jul 26 15:05:02 rx [11061396.327944] ---[ end trace 68a2b679d1cfb4f1 ]--- Jul 26 15:05:02 rx [11061396.433435] RIP: 0010:tcp_rearm_rto+0xe4/0x160 Jul 26 15:05:02 rx [11061396.438137] Code: 87 ca 04 00 00 00 5b 41 5c 41 5d 5d c3 c3 49 8b bc 24 40 06 00 00 eb 8d 48 bb cf f7 53 e3 a5 9b c4 20 4c 89 ef e8 0c fe 0e 00 <48> 8b 78 20 48 c1 ef 03 48 89 f8 41 8b bc 24 80 04 00 00 48 f7 e3 Jul 26 15:05:02 rx [11061396.457144] RSP: 0018:ffffb75d40003e08 EFLAGS: 00010246 Jul 26 15:05:02 rx [11061396.462629] RAX: 0000000000000000 RBX: 20c49ba5e353f7cf RCX: 0000000000000000 Jul 26 15:05:02 rx [11061396.470012] RDX: 0000000062177c30 RSI: 000000000000231c RDI: ffff9874ad283a60 Jul 26 15:05:02 rx [11061396.477396] RBP: ffffb75d40003e20 R08: 0000000000000000 R09: ffff987605e20aa8 Jul 26 15:05:02 rx [11061396.484779] R10: ffffb75d40003f00 R11: ffffb75d4460f740 R12: ffff9874ad283900 Jul 26 15:05:02 rx [11061396.492164] R13: ffff9874ad283a60 R14: ffff9874ad283980 R15: ffff9874ad283d30 Jul 26 15:05:02 rx [11061396.499547] FS: 00007f1ef4a2e700(0000) GS:ffff987605e00000(0000) knlGS:0000000000000000 Jul 26 15:05:02 rx [11061396.507886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jul 26 15:05:02 rx [11061396.513884] CR2: 0000000000000020 CR3: 0000003e450ba003 CR4: 0000000000760ef0 Jul 26 15:05:02 rx [11061396.521267] PKRU: 55555554 Jul 26 15:05:02 rx [11061396.524230] Kernel panic - not syncing: Fatal exception in interrupt Jul 26 15:05:02 rx [11061396.530885] Kernel Offset: 0x1b200000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) Jul 26 15:05:03 rx [11061396.660181] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]--- After we hit this we disabled TLP by setting tcp_early_retrans to 0 and then hit the crash in the RACK case: Aug 7 07:26:16 rx [1006006.265582] BUG: kernel NULL pointer dereference, address: 0000000000000020 Aug 7 07:26:16 rx [1006006.272719] #PF: supervisor read access in kernel mode Aug 7 07:26:16 rx [1006006.278030] #PF: error_code(0x0000) - not-present page Aug 7 07:26:16 rx [1006006.283343] PGD 0 P4D 0 Aug 7 07:26:16 rx [1006006.286057] Oops: 0000 [#1] SMP NOPTI Aug 7 07:26:16 rx [1006006.289896] CPU: 5 PID: 0 Comm: swapper/5 Tainted: G W 5.4.0-174-generic #193-Ubuntu Aug 7 07:26:16 rx [1006006.299107] Hardware name: Supermicro SMC 2x26 os-gen8 64C NVME-Y 256G/H12SSW-NTR, BIOS 2.5.V1.2U.NVMe.UEFI 05/09/2023 Aug 7 07:26:16 rx [1006006.309970] RIP: 0010:tcp_rearm_rto+0xe4/0x160 Aug 7 07:26:16 rx [1006006.314584] Code: 87 ca 04 00 00 00 5b 41 5c 41 5d 5d c3 c3 49 8b bc 24 40 06 00 00 eb 8d 48 bb cf f7 53 e3 a5 9b c4 20 4c 89 ef e8 0c fe 0e 00 <48> 8b 78 20 48 c1 ef 03 48 89 f8 41 8b bc 24 80 04 00 00 48 f7 e3 Aug 7 07:26:16 rx [1006006.333499] RSP: 0018:ffffb42600a50960 EFLAGS: 00010246 Aug 7 07:26:16 rx [1006006.338895] RAX: 0000000000000000 RBX: 20c49ba5e353f7cf RCX: 0000000000000000 Aug 7 07:26:16 rx [1006006.346193] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff92d687ed8160 Aug 7 07:26:16 rx [1006006.353489] RBP: ffffb42600a50978 R08: 0000000000000000 R09: 00000000cd896dcc Aug 7 07:26:16 rx [1006006.360786] R10: ffff92dc3404f400 R11: 0000000000000001 R12: ffff92d687ed8000 Aug 7 07:26:16 rx [1006006.368084] R13: ffff92d687ed8160 R14: 00000000cd896dcc R15: 00000000cd8fca81 Aug 7 07:26:16 rx [1006006.375381] FS: 0000000000000000(0000) GS:ffff93158ad40000(0000) knlGS:0000000000000000 Aug 7 07:26:16 rx [1006006.383632] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Aug 7 07:26:16 rx [1006006.389544] CR2: 0000000000000020 CR3: 0000003e775ce006 CR4: 0000000000760ee0 Aug 7 07:26:16 rx [1006006.396839] PKRU: 55555554 Aug 7 07:26:16 rx [1006006.399717] Call Trace: Aug 7 07:26:16 rx [1006006.402335] Aug 7 07:26:16 rx [1006006.404525] ? show_regs.cold+0x1a/0x1f Aug 7 07:26:16 rx [1006006.408532] ? __die+0x90/0xd9 Aug 7 07:26:16 rx [1006006.411760] ? no_context+0x196/0x380 Aug 7 07:26:16 rx [1006006.415599] ? __bad_area_nosemaphore+0x50/0x1a0 Aug 7 07:26:16 rx [1006006.420392] ? _raw_spin_lock+0x1e/0x30 Aug 7 07:26:16 rx [1006006.424401] ? bad_area_nosemaphore+0x16/0x20 Aug 7 07:26:16 rx [1006006.428927] ? do_user_addr_fault+0x267/0x450 Aug 7 07:26:16 rx [1006006.433450] ? __do_page_fault+0x58/0x90 Aug 7 07:26:16 rx [1006006.437542] ? do_page_fault+0x2c/0xe0 Aug 7 07:26:16 rx [1006006.441470] ? page_fault+0x34/0x40 Aug 7 07:26:16 rx [1006006.445134] ? tcp_rearm_rto+0xe4/0x160 Aug 7 07:26:16 rx [1006006.449145] tcp_ack+0xa32/0xb30 Aug 7 07:26:16 rx [1006006.452542] tcp_rcv_established+0x13c/0x670 Aug 7 07:26:16 rx [1006006.456981] ? sk_filter_trim_cap+0x48/0x220 Aug 7 07:26:16 rx [1006006.461419] tcp_v6_do_rcv+0xdb/0x450 Aug 7 07:26:16 rx [1006006.465257] tcp_v6_rcv+0xc2b/0xd10 Aug 7 07:26:16 rx [1006006.468918] ip6_protocol_deliver_rcu+0xd3/0x4e0 Aug 7 07:26:16 rx [1006006.473706] ip6_input_finish+0x15/0x20 Aug 7 07:26:16 rx [1006006.477710] ip6_input+0xa2/0xb0 Aug 7 07:26:16 rx [1006006.481109] ? ip6_protocol_deliver_rcu+0x4e0/0x4e0 Aug 7 07:26:16 rx [1006006.486151] ip6_sublist_rcv_finish+0x3d/0x50 Aug 7 07:26:16 rx [1006006.490679] ip6_sublist_rcv+0x1aa/0x250 Aug 7 07:26:16 rx [1006006.494779] ? ip6_rcv_finish_core.isra.0+0xa0/0xa0 Aug 7 07:26:16 rx [1006006.499828] ipv6_list_rcv+0x112/0x140 Aug 7 07:26:16 rx [1006006.503748] __netif_receive_skb_list_core+0x1a4/0x250 Aug 7 07:26:16 rx [1006006.509057] netif_receive_skb_list_internal+0x1a1/0x2b0 Aug 7 07:26:16 rx [1006006.514538] gro_normal_list.part.0+0x1e/0x40 Aug 7 07:26:16 rx [1006006.519068] napi_complete_done+0x91/0x130 Aug 7 07:26:16 rx [1006006.523352] mlx5e_napi_poll+0x18e/0x610 [mlx5_core] Aug 7 07:26:16 rx [1006006.528481] net_rx_action+0x142/0x390 Aug 7 07:26:16 rx [1006006.532398] __do_softirq+0xd1/0x2c1 Aug 7 07:26:16 rx [1006006.536142] irq_exit+0xae/0xb0 Aug 7 07:26:16 rx [1006006.539452] do_IRQ+0x5a/0xf0 Aug 7 07:26:16 rx [1006006.542590] common_interrupt+0xf/0xf Aug 7 07:26:16 rx [1006006.546421] Aug 7 07:26:16 rx [1006006.548695] RIP: 0010:native_safe_halt+0xe/0x10 Aug 7 07:26:16 rx [1006006.553399] Code: 7b ff ff ff eb bd 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d 36 2c 50 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 26 2c 50 00 fb f4 90 0f 1f 44 00 00 55 48 89 e5 41 55 41 54 53 e8 dd 5e 61 ff 65 Aug 7 07:26:16 rx [1006006.572309] RSP: 0018:ffffb42600177e70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffc2 Aug 7 07:26:16 rx [1006006.580040] RAX: ffffffff8ed08b20 RBX: 0000000000000005 RCX: 0000000000000001 Aug 7 07:26:16 rx [1006006.587337] RDX: 00000000f48eeca2 RSI: 0000000000000082 RDI: 0000000000000082 Aug 7 07:26:16 rx [1006006.594635] RBP: ffffb42600177e90 R08: 0000000000000000 R09: 000000000000020f Aug 7 07:26:16 rx [1006006.601931] R10: 0000000000100000 R11: 0000000000000000 R12: 0000000000000005 Aug 7 07:26:16 rx [1006006.609229] R13: ffff93157deb5f00 R14: 0000000000000000 R15: 0000000000000000 Aug 7 07:26:16 rx [1006006.616530] ? __cpuidle_text_start+0x8/0x8 Aug 7 07:26:16 rx [1006006.620886] ? default_idle+0x20/0x140 Aug 7 07:26:16 rx [1006006.624804] arch_cpu_idle+0x15/0x20 Aug 7 07:26:16 rx [1006006.628545] default_idle_call+0x23/0x30 Aug 7 07:26:16 rx [1006006.632640] do_idle+0x1fb/0x270 Aug 7 07:26:16 rx [1006006.636035] cpu_startup_entry+0x20/0x30 Aug 7 07:26:16 rx [1006006.640126] start_secondary+0x178/0x1d0 Aug 7 07:26:16 rx [1006006.644218] secondary_startup_64+0xa4/0xb0 Aug 7 07:26:17 rx [1006006.648568] Modules linked in: vrf bridge stp llc vxlan ip6_udp_tunnel udp_tunnel nls_iso8859_1 nft_ct amd64_edac_mod edac_mce_amd kvm_amd kvm crct10dif_pclmul ghash_clmulni_intel aesni_intel crypto_simd cryptd glue_helper wmi_bmof ipmi_ssif input_leds joydev rndis_host cdc_ether usbnet ast mii drm_vram_helper ttm drm_kms_helper i2c_algo_bit fb_sys_fops syscopyarea sysfillrect sysimgblt ccp mac_hid ipmi_si ipmi_devintf ipmi_msghandler sch_fq_codel nf_tables_set nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables nfnetlink ramoops reed_solomon efi_pstore drm ip_tables x_tables autofs4 raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid0 multipath linear mlx5_ib ib_uverbs ib_core raid1 hid_generic mlx5_core pci_hyperv_intf crc32_pclmul usbhid ahci tls mlxfw bnxt_en hid libahci nvme i2c_piix4 nvme_core wmi [last unloaded: cpuid] Aug 7 07:26:17 rx [1006006.726180] CR2: 0000000000000020 Aug 7 07:26:17 rx [1006006.729718] ---[ end trace e0e2e37e4e612984 ]--- Prior to seeing the first crash and on other machines we also see the warning in tcp_send_loss_probe() where packets_out is non-zero, but both transmit and retrans queues are empty so we know the box is seeing some accounting issue in this area: Jul 26 09:15:27 kernel: ------------[ cut here ]------------ Jul 26 09:15:27 kernel: invalid inflight: 2 state 1 cwnd 68 mss 8988 Jul 26 09:15:27 kernel: WARNING: CPU: 16 PID: 0 at net/ipv4/tcp_output.c:2605 tcp_send_loss_probe+0x214/0x220 Jul 26 09:15:27 kernel: Modules linked in: vrf bridge stp llc vxlan ip6_udp_tunnel udp_tunnel nls_iso8859_1 nft_ct amd64_edac_mod edac_mce_amd kvm_amd kvm crct10dif_pclmul ghash_clmulni_intel aesni_intel crypto_simd cryptd glue_helper wmi_bmof ipmi_ssif joydev input_leds rndis_host cdc_ether usbnet mii ast drm_vram_helper ttm drm_kms_he> Jul 26 09:15:27 kernel: CPU: 16 PID: 0 Comm: swapper/16 Not tainted 5.4.0-174-generic #193-Ubuntu Jul 26 09:15:27 kernel: Hardware name: Supermicro SMC 2x26 os-gen8 64C NVME-Y 256G/H12SSW-NTR, BIOS 2.5.V1.2U.NVMe.UEFI 05/09/2023 Jul 26 09:15:27 kernel: RIP: 0010:tcp_send_loss_probe+0x214/0x220 Jul 26 09:15:27 kernel: Code: 08 26 01 00 75 e2 41 0f b6 54 24 12 41 8b 8c 24 c0 06 00 00 45 89 f0 48 c7 c7 e0 b4 20 a7 c6 05 8d 08 26 01 01 e8 4a c0 0f 00 <0f> 0b eb ba 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 Jul 26 09:15:27 kernel: RSP: 0018:ffffb7838088ce00 EFLAGS: 00010286 Jul 26 09:15:27 kernel: RAX: 0000000000000000 RBX: ffff9b84b5630430 RCX: 0000000000000006 Jul 26 09:15:27 kernel: RDX: 0000000000000007 RSI: 0000000000000096 RDI: ffff9b8e4621c8c0 Jul 26 09:15:27 kernel: RBP: ffffb7838088ce18 R08: 0000000000000927 R09: 0000000000000004 Jul 26 09:15:27 kernel: R10: 0000000000000000 R11: 0000000000000001 R12: ffff9b84b5630000 Jul 26 09:15:27 kernel: R13: 0000000000000000 R14: 000000000000231c R15: ffff9b84b5630430 Jul 26 09:15:27 kernel: FS: 0000000000000000(0000) GS:ffff9b8e46200000(0000) knlGS:0000000000000000 Jul 26 09:15:27 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jul 26 09:15:27 kernel: CR2: 000056238cec2380 CR3: 0000003e49ede005 CR4: 0000000000760ee0 Jul 26 09:15:27 kernel: PKRU: 55555554 Jul 26 09:15:27 kernel: Call Trace: Jul 26 09:15:27 kernel: <IRQ> Jul 26 09:15:27 kernel: ? show_regs.cold+0x1a/0x1f Jul 26 09:15:27 kernel: ? __warn+0x98/0xe0 Jul 26 09:15:27 kernel: ? tcp_send_loss_probe+0x214/0x220 Jul 26 09:15:27 kernel: ? report_bug+0xd1/0x100 Jul 26 09:15:27 kernel: ? do_error_trap+0x9b/0xc0 Jul 26 09:15:27 kernel: ? do_invalid_op+0x3c/0x50 Jul 26 09:15:27 kernel: ? tcp_send_loss_probe+0x214/0x220 Jul 26 09:15:27 kernel: ? invalid_op+0x1e/0x30 Jul 26 09:15:27 kernel: ? tcp_send_loss_probe+0x214/0x220 Jul 26 09:15:27 kernel: tcp_write_timer_handler+0x1b4/0x240 Jul 26 09:15:27 kernel: tcp_write_timer+0x9e/0xe0 Jul 26 09:15:27 kernel: ? tcp_write_timer_handler+0x240/0x240 Jul 26 09:15:27 kernel: call_timer_fn+0x32/0x130 Jul 26 09:15:27 kernel: __run_timers.part.0+0x180/0x280 Jul 26 09:15:27 kernel: ? timerqueue_add+0x9b/0xb0 Jul 26 09:15:27 kernel: ? enqueue_hrtimer+0x3d/0x90 Jul 26 09:15:27 kernel: ? do_error_trap+0x9b/0xc0 Jul 26 09:15:27 kernel: ? do_invalid_op+0x3c/0x50 Jul 26 09:15:27 kernel: ? tcp_send_loss_probe+0x214/0x220 Jul 26 09:15:27 kernel: ? invalid_op+0x1e/0x30 Jul 26 09:15:27 kernel: ? tcp_send_loss_probe+0x214/0x220 Jul 26 09:15:27 kernel: tcp_write_timer_handler+0x1b4/0x240 Jul 26 09:15:27 kernel: tcp_write_timer+0x9e/0xe0 Jul 26 09:15:27 kernel: ? tcp_write_timer_handler+0x240/0x240 Jul 26 09:15:27 kernel: call_timer_fn+0x32/0x130 Jul 26 09:15:27 kernel: __run_timers.part.0+0x180/0x280 Jul 26 09:15:27 kernel: ? timerqueue_add+0x9b/0xb0 Jul 26 09:15:27 kernel: ? enqueue_hrtimer+0x3d/0x90 Jul 26 09:15:27 kernel: ? recalibrate_cpu_khz+0x10/0x10 Jul 26 09:15:27 kernel: ? ktime_get+0x3e/0xa0 Jul 26 09:15:27 kernel: ? native_x2apic_icr_write+0x30/0x30 Jul 26 09:15:27 kernel: run_timer_softirq+0x2a/0x50 Jul 26 09:15:27 kernel: __do_softirq+0xd1/0x2c1 Jul 26 09:15:27 kernel: irq_exit+0xae/0xb0 Jul 26 09:15:27 kernel: smp_apic_timer_interrupt+0x7b/0x140 Jul 26 09:15:27 kernel: apic_timer_interrupt+0xf/0x20 Jul 26 09:15:27 kernel: </IRQ> Jul 26 09:15:27 kernel: RIP: 0010:native_safe_halt+0xe/0x10 Jul 26 09:15:27 kernel: Code: 7b ff ff ff eb bd 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d 36 2c 50 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 26 2c 50 00 fb f4 <c3> 90 0f 1f 44 00 00 55 48 89 e5 41 55 41 54 53 e8 dd 5e 61 ff 65 Jul 26 09:15:27 kernel: RSP: 0018:ffffb783801cfe70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 Jul 26 09:15:27 kernel: RAX: ffffffffa6908b20 RBX: 0000000000000010 RCX: 0000000000000001 Jul 26 09:15:27 kernel: RDX: 000000006fc0c97e RSI: 0000000000000082 RDI: 0000000000000082 Jul 26 09:15:27 kernel: RBP: ffffb783801cfe90 R08: 0000000000000000 R09: 0000000000000225 Jul 26 09:15:27 kernel: R10: 0000000000100000 R11: 0000000000000000 R12: 0000000000000010 Jul 26 09:15:27 kernel: R13: ffff9b8e390b0000 R14: 0000000000000000 R15: 0000000000000000 Jul 26 09:15:27 kernel: ? __cpuidle_text_start+0x8/0x8 Jul 26 09:15:27 kernel: ? default_idle+0x20/0x140 Jul 26 09:15:27 kernel: arch_cpu_idle+0x15/0x20 Jul 26 09:15:27 kernel: default_idle_call+0x23/0x30 Jul 26 09:15:27 kernel: do_idle+0x1fb/0x270 Jul 26 09:15:27 kernel: cpu_startup_entry+0x20/0x30 Jul 26 09:15:27 kernel: start_secondary+0x178/0x1d0 Jul 26 09:15:27 kernel: secondary_startup_64+0xa4/0xb0 Jul 26 09:15:27 kernel: ---[ end trace e7ac822987e33be1 ]--- The NULL ptr deref is coming from tcp_rto_delta_us() attempting to pull an skb off the head of the retransmit queue and then dereferencing that skb to get the skb_mstamp_ns value via tcp_skb_timestamp_us(skb). The crash is the same one that was reported a # of years ago here: https://lore.kernel.org/netdev/86c0f836-9a7c-438b-d81a-839be45f1f58@gmail.com/T/#t and the kernel we're running has the fix which was added to resolve this issue. Unfortunately we've been unsuccessful so far in reproducing this problem in the lab and do not have the luxury of pushing out a new kernel to try and test if newer kernels resolve this issue at the moment. I realize this is a report against both an Ubuntu kernel and also an older 5.4 kernel. I have reported this issue to Ubuntu here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2077657 however I feel like since this issue has possibly cropped up again it makes sense to build in some protection in this path (even on the latest kernel versions) since the code in question just blindly assumes there's a valid skb without testing if it's NULL b/f it looks at the timestamp. Given we have seen crashes in this path before and now this case it seems like we should protect ourselves for when packets_out accounting is incorrect. While we should fix that root cause we should also just make sure the skb is not NULL before dereferencing it. Also add a warn once here to capture some information if/when the problem case is hit again. Fixes: e1a10ef7fa87 ("tcp: introduce tcp_rto_delta_us() helper for xmit timer fix") Signed-off-by: Josh Hunt <johunt@akamai.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-09-22MAINTAINERS: adjust file entry of the oa_tc6 headerLukas Bulwahn1-1/+1
Commit aa58bec064ab ("net: ethernet: oa_tc6: implement register write operation") adds two new file entries to OPEN ALLIANCE 10BASE-T1S MACPHY SERIAL INTERFACE FRAMEWORK. One of the two entries mistakenly refers to drivers/include/linux/oa_tc6.h, whereas the intent is clearly to refer to include/linux/oa_tc6.h. Hence, ./scripts/get_maintainer.pl --self-test=patterns complains about a broken reference. Adjust the file entry to the intended location. Signed-off-by: Lukas Bulwahn <lukas.bulwahn@redhat.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-09-22net: ipv6: select DST_CACHE from IPV6_RPL_LWTUNNELThomas Weißschuh1-0/+1
The rpl sr tunnel code contains calls to dst_cache_*() which are only present when the dst cache is built. Select DST_CACHE to build the dst cache, similar to other kconfig options in the same file. Compiling the rpl sr tunnel without DST_CACHE will lead to linker errors. Fixes: a7a29f9c361f ("net: ipv6: add rpl sr tunnel") Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Reviewed-by: Simon Horman <horms@kernel.org> Tested-by: Simon Horman <horms@kernel.org> # build-tested Signed-off-by: David S. Miller <davem@davemloft.net>
2024-09-19net: seeq: Fix use after free vulnerability in ether3 Driver Due to Race ConditionKaixin Wang1-0/+2
In the ether3_probe function, a timer is initialized with a callback function ether3_ledoff, bound to &prev(dev)->timer. Once the timer is started, there is a risk of a race condition if the module or device is removed, triggering the ether3_remove function to perform cleanup. The sequence of operations that may lead to a UAF bug is as follows: CPU0 CPU1 | ether3_ledoff ether3_remove | free_netdev(dev); | put_devic | kfree(dev); | | ether3_outw(priv(dev)->regs.config2 |= CFG2_CTRLO, REG_CONFIG2); | // use dev Fix it by ensuring that the timer is canceled before proceeding with the cleanup in ether3_remove. Fixes: 6fd9c53f7186 ("net: seeq: Convert timers to use timer_setup()") Signed-off-by: Kaixin Wang <kxwang23@m.fudan.edu.cn> Link: https://patch.msgid.link/20240915144045.451-1-kxwang23@m.fudan.edu.cn Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-19netfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put()Eric Dumazet1-12/+2
syzbot reported that nf_reject_ip6_tcphdr_put() was possibly sending garbage on the four reserved tcp bits (th->res1) Use skb_put_zero() to clear the whole TCP header, as done in nf_reject_ip_tcphdr_put() BUG: KMSAN: uninit-value in nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255 nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255 nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344 nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288 nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK include/linux/netfilter.h:312 [inline] ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310 __netif_receive_skb_one_core net/core/dev.c:5661 [inline] __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5775 process_backlog+0x4ad/0xa50 net/core/dev.c:6108 __napi_poll+0xe7/0x980 net/core/dev.c:6772 napi_poll net/core/dev.c:6841 [inline] net_rx_action+0xa5a/0x19b0 net/core/dev.c:6963 handle_softirqs+0x1ce/0x800 kernel/softirq.c:554 __do_softirq+0x14/0x1a kernel/softirq.c:588 do_softirq+0x9a/0x100 kernel/softirq.c:455 __local_bh_enable_ip+0x9f/0xb0 kernel/softirq.c:382 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:908 [inline] __dev_queue_xmit+0x2692/0x5610 net/core/dev.c:4450 dev_queue_xmit include/linux/netdevice.h:3105 [inline] neigh_resolve_output+0x9ca/0xae0 net/core/neighbour.c:1565 neigh_output include/net/neighbour.h:542 [inline] ip6_finish_output2+0x2347/0x2ba0 net/ipv6/ip6_output.c:141 __ip6_finish_output net/ipv6/ip6_output.c:215 [inline] ip6_finish_output+0xbb8/0x14b0 net/ipv6/ip6_output.c:226 NF_HOOK_COND include/linux/netfilter.h:303 [inline] ip6_output+0x356/0x620 net/ipv6/ip6_output.c:247 dst_output include/net/dst.h:450 [inline] NF_HOOK include/linux/netfilter.h:314 [inline] ip6_xmit+0x1ba6/0x25d0 net/ipv6/ip6_output.c:366 inet6_csk_xmit+0x442/0x530 net/ipv6/inet6_connection_sock.c:135 __tcp_transmit_skb+0x3b07/0x4880 net/ipv4/tcp_output.c:1466 tcp_transmit_skb net/ipv4/tcp_output.c:1484 [inline] tcp_connect+0x35b6/0x7130 net/ipv4/tcp_output.c:4143 tcp_v6_connect+0x1bcc/0x1e40 net/ipv6/tcp_ipv6.c:333 __inet_stream_connect+0x2ef/0x1730 net/ipv4/af_inet.c:679 inet_stream_connect+0x6a/0xd0 net/ipv4/af_inet.c:750 __sys_connect_file net/socket.c:2061 [inline] __sys_connect+0x606/0x690 net/socket.c:2078 __do_sys_connect net/socket.c:2088 [inline] __se_sys_connect net/socket.c:2085 [inline] __x64_sys_connect+0x91/0xe0 net/socket.c:2085 x64_sys_call+0x27a5/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:43 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: nf_reject_ip6_tcphdr_put+0x60c/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:249 nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344 nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288 nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK include/linux/netfilter.h:312 [inline] ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310 __netif_receive_skb_one_core net/core/dev.c:5661 [inline] __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5775 process_backlog+0x4ad/0xa50 net/core/dev.c:6108 __napi_poll+0xe7/0x980 net/core/dev.c:6772 napi_poll net/core/dev.c:6841 [inline] net_rx_action+0xa5a/0x19b0 net/core/dev.c:6963 handle_softirqs+0x1ce/0x800 kernel/softirq.c:554 __do_softirq+0x14/0x1a kernel/softirq.c:588 Uninit was stored to memory at: nf_reject_ip6_tcphdr_put+0x2ca/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:231 nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344 nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288 nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK include/linux/netfilter.h:312 [inline] ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310 __netif_receive_skb_one_core net/core/dev.c:5661 [inline] __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5775 process_backlog+0x4ad/0xa50 net/core/dev.c:6108 __napi_poll+0xe7/0x980 net/core/dev.c:6772 napi_poll net/core/dev.c:6841 [inline] net_rx_action+0xa5a/0x19b0 net/core/dev.c:6963 handle_softirqs+0x1ce/0x800 kernel/softirq.c:554 __do_softirq+0x14/0x1a kernel/softirq.c:588 Uninit was created at: slab_post_alloc_hook mm/slub.c:3998 [inline] slab_alloc_node mm/slub.c:4041 [inline] kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4084 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:583 __alloc_skb+0x363/0x7b0 net/core/skbuff.c:674 alloc_skb include/linux/skbuff.h:1320 [inline] nf_send_reset6+0x98d/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:327 nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288 nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK include/linux/netfilter.h:312 [inline] ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310 __netif_receive_skb_one_core net/core/dev.c:5661 [inline] __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5775 process_backlog+0x4ad/0xa50 net/core/dev.c:6108 __napi_poll+0xe7/0x980 net/core/dev.c:6772 napi_poll net/core/dev.c:6841 [inline] net_rx_action+0xa5a/0x19b0 net/core/dev.c:6963 handle_softirqs+0x1ce/0x800 kernel/softirq.c:554 __do_softirq+0x14/0x1a kernel/softirq.c:588 Fixes: c8d7b98bec43 ("netfilter: move nf_send_resetX() code to nf_reject_ipvX modules") Reported-by: syzbot <syzkaller@googlegroups.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Simon Horman <horms@kernel.org> Reviewed-by: Pablo Neira Ayuso <pablo@netfilter.org> Link: https://patch.msgid.link/20240913170615.3670897-1-edumazet@google.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-19net: xilinx: axienet: Fix packet countingSean Anderson1-9/+14
axienet_free_tx_chain returns the number of DMA descriptors it's handled. However, axienet_tx_poll treats the return as the number of packets. When scatter-gather SKBs are enabled, a single packet may use multiple DMA descriptors, which causes incorrect packet counts. Fix this by explicitly keepting track of the number of packets processed as separate from the DMA descriptors. Budget does not affect the number of Tx completions we can process for NAPI, so we use the ring size as the limit instead of budget. As we no longer return the number of descriptors processed to axienet_tx_poll, we now update tx_bd_ci in axienet_free_tx_chain. Fixes: 8a3b7a252dca ("drivers/net/ethernet/xilinx: added Xilinx AXI Ethernet driver") Signed-off-by: Sean Anderson <sean.anderson@linux.dev> Link: https://patch.msgid.link/20240913145156.2283067-1-sean.anderson@linux.dev Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-19net: xilinx: axienet: Schedule NAPI in two stepsSean Anderson1-6/+8
As advised by Documentation/networking/napi.rst, masking IRQs after calling napi_schedule can be racy. Avoid this by only masking/scheduling if napi_schedule_prep returns true. Fixes: 9e2bc267e780 ("net: axienet: Use NAPI for TX completion path") Fixes: cc37610caaf8 ("net: axienet: implement NAPI and GRO receive") Signed-off-by: Sean Anderson <sean.anderson@linux.dev> Reviewed-by: Shannon Nelson <shannon.nelson@amd.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://patch.msgid.link/20240913145711.2284295-1-sean.anderson@linux.dev Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-19net: phy: aquantia: fix -ETIMEDOUT PHY probe failure when firmware not presentVladimir Oltean2-22/+39
The author of the blamed commit apparently did not notice something about aqr_wait_reset_complete(): it polls the exact same register - MDIO_MMD_VEND1:VEND1_GLOBAL_FW_ID - as aqr_firmware_load(). Thus, the entire logic after the introduction of aqr_wait_reset_complete() is now completely side-stepped, because if aqr_wait_reset_complete() succeeds, MDIO_MMD_VEND1:VEND1_GLOBAL_FW_ID could have only been a non-zero value. The handling of the case where the register reads as 0 is dead code, due to the previous -ETIMEDOUT having stopped execution and returning a fatal error to the caller. We never attempt to load new firmware if no firmware is present. Based on static code analysis, I guess we should simply introduce a switch/case statement based on the return code from aqr_wait_reset_complete(), to determine whether to load firmware or not. I am not intending to change the procedure through which the driver determines whether to load firmware or not, as I am unaware of alternative possibilities. At the same time, Russell King suggests that if aqr_wait_reset_complete() is expected to return -ETIMEDOUT as part of normal operation and not just catastrophic failure, the use of phy_read_mmd_poll_timeout() is improper, since that has an embedded print inside. Just open-code a call to read_poll_timeout() to avoid printing -ETIMEDOUT, but continue printing actual read errors from the MDIO bus. Fixes: ad649a1fac37 ("net: phy: aquantia: wait for FW reset before checking the vendor ID") Reported-by: Clark Wang <xiaoning.wang@nxp.com> Reported-by: Jon Hunter <jonathanh@nvidia.com> Closes: https://lore.kernel.org/netdev/8ac00a45-ac61-41b4-9f74-d18157b8b6bf@nvidia.com/ Reported-by: Hans-Frieder Vogt <hfdevel@gmx.net> Closes: https://lore.kernel.org/netdev/c7c1a3ae-be97-4929-8d89-04c8aa870209@gmx.net/ Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Tested-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Tested-by: Hans-Frieder Vogt <hfdevel@gmx.net> Link: https://patch.msgid.link/20240913121230.2620122-1-vladimir.oltean@nxp.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-15net/mlx5: HWS, check the correct variable in hws_send_ring_alloc_sq()Dan Carpenter1-1/+1
There is a copy and paste bug so this code checks "sq->dep_wqe" where "sq->wr_priv" was intended. It could result in a NULL pointer dereference. Fixes: 2ca62599aa0b ("net/mlx5: HWS, added send engine and context handling") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/da822315-02b7-4f5b-9c86-0d5176c5069d@stanley.mountain Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-15netfilter: nft_socket: Fix a NULL vs IS_ERR() bug in nft_socket_cgroup_subtree_level()Dan Carpenter1-2/+2
The cgroup_get_from_path() function never returns NULL, it returns error pointers. Update the error handling to match. Fixes: 7f3287db6543 ("netfilter: nft_socket: make cgroupsv2 matching work with namespaces") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Acked-by: Florian Westphal <fw@strlen.de> Acked-by: Pablo Neira Ayuso <pablo@netfilter.org> Link: https://patch.msgid.link/bbc0c4e0-05cc-4f44-8797-2f4b3920a820@stanley.mountain Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-15ice: Fix a NULL vs IS_ERR() check in probe()Dan Carpenter1-2/+2
The ice_allocate_sf() function returns error pointers on error. It doesn't return NULL. Update the check to match. Fixes: 177ef7f1e2a0 ("ice: base subfunction aux driver") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/6951d217-ac06-4482-a35d-15d757fd90a3@stanley.mountain Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-15ice: Fix a couple NULL vs IS_ERR() bugsDan Carpenter1-4/+4
The ice_repr_create() function returns error pointers. It never returns NULL. Fix the callers to check for IS_ERR(). Fixes: 977514fb0fa8 ("ice: create port representor for SF") Fixes: 415db8399d06 ("ice: make representor code generic") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/7f7aeb91-8771-47b8-9275-9d9f64f947dd@stanley.mountain Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-15net: ethernet: fs_enet: Make the per clock optionalMaxime Chevallier1-1/+1
Some platforms that use fs_enet don't have the PER register clock. This optional dependency on the clock was incorrectly made mandatory when switching to devm_ accessors. Reported-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Closes: https://lore.kernel.org/netdev/4e4defa9-ef2f-4ff1-95ca-6627c24db20c@wanadoo.fr/ Fixes: c614acf6e8e1 ("net: ethernet: fs_enet: simplify clock handling with devm accessors") Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> Reviewed-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://patch.msgid.link/20240914081821.209130-1-maxime.chevallier@bootlin.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-15Linux 6.11Linus Torvalds1-1/+1
2024-09-15Revert "KVM: VMX: Always honor guest PAT on CPUs that support self-snoop"Paolo Bonzini2-11/+7
This reverts commit 377b2f359d1f71c75f8cc352b5c81f2210312d83. This caused a regression with the bochsdrm driver, which used ioremap() instead of ioremap_wc() to map the video RAM. After the commit, the WB memory type is used without the IGNORE_PAT, resulting in the slower UC memory type. In fact, UC is slow enough to basically cause guests to not boot... but only on new processors such as Sapphire Rapids and Cascade Lake. Coffee Lake for example works properly, though that might also be an effect of being on a larger, more NUMA system. The driver has been fixed but that does not help older guests. Until we figure out whether Cascade Lake and newer processors are working as intended, revert the commit. Long term we might add a quirk, but the details depend on whether the processors are working as intended: for example if they are, the quirk might reference bochs-compatible devices, e.g. in the name and documentation, so that userspace can disable the quirk by default and only leave it enabled if such a device is being exposed to the guest. If instead this is actually a bug in CLX+, then the actions we need to take are different and depend on the actual cause of the bug. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-09-14net: ti: icssg-prueth: Add multicast filtering support in HSR modeMD Danish Anwar1-2/+40
Add support for multicast filtering in HSR mode Reviewed-by: Roger Quadros <rogerq@kernel.org> Signed-off-by: MD Danish Anwar <danishanwar@ti.com> Link: https://patch.msgid.link/20240911081603.2521729-6-danishanwar@ti.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-14net: ti: icssg-prueth: Enable HSR Tx duplication, Tx Tag and Rx Tag offloadRavi Gunasekaran5-5/+58
The HSR stack allows to offload its Tx packet duplication functionality to the hardware. Enable this offloading feature for ICSSG driver. Add support to offload HSR Tx Tag Insertion and Rx Tag Removal and duplicate discard. hsr tag insertion offload and hsr dup offload are tightly coupled in firmware implementation. Both these features need to be enabled / disabled together. Duplicate discard is done as part of RX tag removal and it is done by the firmware. When driver sends the r30 command ICSSG_EMAC_HSR_RX_OFFLOAD_ENABLE, firmware does RX tag removal as well as duplicate discard. Signed-off-by: Ravi Gunasekaran <r-gunasekaran@ti.com> Signed-off-by: MD Danish Anwar <danishanwar@ti.com> Reviewed-by: Roger Quadros <rogerq@kernel.org> Link: https://patch.msgid.link/20240911081603.2521729-5-danishanwar@ti.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-14net: ti: icssg-prueth: Add support for HSR frame forward offloadMD Danish Anwar4-12/+119
Add support for offloading HSR port-to-port frame forward to hardware. When the slave interfaces are added to the HSR interface, the PRU cores will be stopped and ICSSG HSR firmwares will be loaded to them. Similarly, when HSR interface is deleted, the PRU cores will be restarted and the last used firmwares will be reloaded. PRUeth interfaces will be back to the last used mode. This commit also renames some APIs that are common between switch and hsr mode with '_fw_offload' suffix. Signed-off-by: MD Danish Anwar <danishanwar@ti.com> Reviewed-by: Roger Quadros <rogerq@kernel.org> Link: https://patch.msgid.link/20240911081603.2521729-4-danishanwar@ti.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-14net: ti: icssg-prueth: Stop hardcoding def_incMD Danish Anwar1-1/+2
The def_inc is stored in icss_iep structure. Currently default increment (ns per clock tick) is hardcoded to 4 (Clock frequency being 250 MHz). Change this to use the iep->def_inc variable as the iep structure is now accessible to the driver files. Reviewed-by: Roger Quadros <rogerq@kernel.org> Signed-off-by: MD Danish Anwar <danishanwar@ti.com> Link: https://patch.msgid.link/20240911081603.2521729-3-danishanwar@ti.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-14net: ti: icss-iep: Move icss_iep structureMD Danish Anwar2-73/+72
Move icss_iep structure definition and to icss_iep.h file so that the structure members can be used / accessed by all icssg driver files. Reviewed-by: Simon Horman <horms@kernel.org> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Reviewed-by: Roger Quadros <rogerq@kernel.org> Signed-off-by: MD Danish Anwar <danishanwar@ti.com> Link: https://patch.msgid.link/20240911081603.2521729-2-danishanwar@ti.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13net: ibm: emac: get rid of wol_irqRosen Penev1-10/+3
This is completely unused. Signed-off-by: Rosen Penev <rosenp@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20240912024903.6201-10-rosenp@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13net: ibm: emac: remove all waiting codeRosen Penev1-48/+7
EPROBE_DEFER, which probably wasn't available when this driver was written, can be used instead of waiting manually. Signed-off-by: Rosen Penev <rosenp@gmail.com> Link: https://patch.msgid.link/20240912024903.6201-9-rosenp@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13net: ibm: emac: replace of_get_propertyRosen Penev1-11/+9
of_property_read_u32 can be used. Signed-off-by: Rosen Penev <rosenp@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20240912024903.6201-8-rosenp@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13net: ibm: emac: use netdev's phydev directlyRosen Penev2-30/+22
Avoids having to use own struct member. Signed-off-by: Rosen Penev <rosenp@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20240912024903.6201-7-rosenp@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13net: ibm: emac: use devm for register_netdevRosen Penev1-3/+1
Cleans it up automatically. No need to handle manually. Signed-off-by: Rosen Penev <rosenp@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20240912024903.6201-6-rosenp@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13net: ibm: emac: remove mii_bus with devmRosen Penev2-20/+13
Switching to devm management of mii_bus allows to remove mdiobus_unregister calls and thus avoids needing a mii_bus global struct member. Signed-off-by: Rosen Penev <rosenp@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20240912024903.6201-5-rosenp@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13net: ibm: emac: use devm for of_iomapRosen Penev1-8/+4
Allows removing manual iounmap. Signed-off-by: Rosen Penev <rosenp@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20240912024903.6201-4-rosenp@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13net: ibm: emac: manage emac_irq with devmRosen Penev1-18/+11
It's the last to go in remove. Safe to let devm handle it. Also move request_irq to probe for clarity. It's removed in _remove not close. Use dev_err_probe instead of printk. Handles EPROBE_DEFER automatically. Signed-off-by: Rosen Penev <rosenp@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20240912024903.6201-3-rosenp@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13net: ibm: emac: use devm for alloc_etherdevRosen Penev1-6/+3
Allows to simplify the code slightly. This is safe to do as free_netdev gets called last. Signed-off-by: Rosen Penev <rosenp@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20240912024903.6201-2-rosenp@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13octeontx2-af: debugfs: Add Channel info to RPM mapLinu Cherian1-4/+7
Display channel info in the RPM map debugfs output. With this, cat /sys/kernel/debug/cn10k/rvu_pf_rpm_map would display channel number for each device in addition to the existing data. Sample output: PCI dev RVU PF Func NIX block rpm LMAC CHAN 0002:02:00.0 0x400 NIX0 rpm0 LMAC0 256 Signed-off-by: Linu Cherian <lcherian@marvell.com> Link: https://patch.msgid.link/20240912161450.164402-3-lcherian@marvell.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13net: ethtool: phy: Don't set the context dev pointer for unfiltered DUMPMaxime Chevallier1-2/+0
The context info allows continuing DUMP requests, shall they fill the netlink buffer. In the case of filtered DUMP requests, a reference on the netdev is grabbed in the .start() callback and release in .done(). Unfiltered DUMP request don't need the dev pointer to be set in the context info, doing so will trigger an unwanted netdev_put() in .done(). Reported-by: syzbot+e9ed4e4368d450c8f9db@syzkaller.appspotmail.com Closes: https://lore.kernel.org/netdev/000000000000d3bf150621d361a7@google.com/ Fixes: 17194be4c8e1 ("net: ethtool: Introduce a command to list PHYs on an interface") Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev> Link: https://patch.msgid.link/20240913100515.167341-1-maxime.chevallier@bootlin.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13rtase: Fix error code in rtase_init_board()Dan Carpenter1-1/+2
Return an error if dma_set_mask_and_coherent() fails. Don't return success. Fixes: a36e9f5cfe9e ("rtase: Add support for a pci table in this module") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/f53ed942-5ac2-424b-a1ed-9473c599905e@stanley.mountain Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13MIPS: Remove the obsoleted code for include/linux/mv643xx.hGaosheng Cui3-924/+5
Most of the drivers which used this header have been deleted, most of these code is obsoleted, move the only defines that are actually used into arch/powerpc/platforms/chrp/pegasos_eth.c and delete the file completely. Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com> Link: https://patch.msgid.link/20240912011949.2726928-1-cuigaosheng1@huawei.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13enic: Report some per queue statistics in ethtoolNelson Escobar1-2/+81
Make 'ethtool -S <intf>' output show some per rq/wq statistics that don't exist in the netdev qstats. Signed-off-by: Nelson Escobar <neescoba@cisco.com> Signed-off-by: John Daley <johndale@cisco.com> Signed-off-by: Satish Kharat <satishkh@cisco.com> Link: https://patch.msgid.link/20240912005039.10797-5-neescoba@cisco.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13enic: Report per queue statistics in netdev qstatsNelson Escobar1-0/+56
Report per queue wq/rq statistics in netdev qstats. Signed-off-by: Nelson Escobar <neescoba@cisco.com> Signed-off-by: John Daley <johndale@cisco.com> Signed-off-by: Satish Kharat <satishkh@cisco.com> Link: https://patch.msgid.link/20240912005039.10797-4-neescoba@cisco.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13enic: Collect per queue statisticsNelson Escobar2-18/+121
Collect and per rq/wq statistics. Signed-off-by: Nelson Escobar <neescoba@cisco.com> Signed-off-by: John Daley <johndale@cisco.com> Signed-off-by: Satish Kharat <satishkh@cisco.com> Link: https://patch.msgid.link/20240912005039.10797-3-neescoba@cisco.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13enic: Use macro instead of static const variables for array sizesNelson Escobar1-10/+13
In enic_ethtool.c there is no need to use static const variables to store array sizes when a macro can be used instead. Signed-off-by: Nelson Escobar <neescoba@cisco.com> Signed-off-by: John Daley <johndale@cisco.com> Signed-off-by: Satish Kharat <satishkh@cisco.com> Link: https://patch.msgid.link/20240912005039.10797-2-neescoba@cisco.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13selftests: fib_rule_tests: Add DSCP selector connect testsIdo Schimmel1-0/+56
Test that locally generated traffic from a socket that specifies a DS Field using the IP_TOS / IPV6_TCLASS socket options is correctly redirected using a FIB rule that matches on DSCP. Add negative tests to verify that the rule is not it when it should not. Test with both IPv4 and IPv6 and with both TCP and UDP sockets. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Guillaume Nault <gnault@redhat.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://patch.msgid.link/20240911093748.3662015-7-idosch@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13selftests: fib_rule_tests: Add DSCP selector match testsIdo Schimmel1-0/+34
Add tests for the new FIB rule DSCP selector. Test with both IPv4 and IPv6 and with both input and output routes. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Guillaume Nault <gnault@redhat.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://patch.msgid.link/20240911093748.3662015-6-idosch@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13net: fib_rules: Enable DSCP selector usageIdo Schimmel1-1/+2
Now that both IPv4 and IPv6 support the new DSCP selector, enable user space to configure FIB rules that make use of it by changing the policy of the new DSCP attribute so that it accepts values in the range of [0, 63]. Use NLA_U8 rather than NLA_UINT as the field is of fixed size. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Guillaume Nault <gnault@redhat.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://patch.msgid.link/20240911093748.3662015-5-idosch@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13ipv6: fib_rules: Add DSCP selector supportIdo Schimmel1-3/+40
Implement support for the new DSCP selector that allows IPv6 FIB rules to match on the entire DSCP field. This is done despite the fact that the above can be achieved using the existing TOS selector, so that user space program will be able to work with IPv4 and IPv6 rules in the same way. Differentiate between both selectors by adding a new bit in the IPv6 FIB rule structure that is only set when the 'FRA_DSCP' attribute is specified by user space. Reject rules that use both selectors. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Guillaume Nault <gnault@redhat.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://patch.msgid.link/20240911093748.3662015-4-idosch@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-13ipv4: fib_rules: Add DSCP selector supportIdo Schimmel1-4/+50
Implement support for the new DSCP selector that allows IPv4 FIB rules to match on the entire DSCP field, unlike the existing TOS selector that only matches on the three lower DSCP bits. Differentiate between both selectors by adding a new bit in the IPv4 FIB rule structure (in an existing one byte hole) that is only set when the 'FRA_DSCP' attribute is specified by user space. Reject rules that use both selectors. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Guillaume Nault <gnault@redhat.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://patch.msgid.link/20240911093748.3662015-3-idosch@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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