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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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75f01a4c9c
When executing conntrack actions on skbuffs with checksum mode
CHECKSUM_COMPLETE, the checksum must be updated to account for
header pushes and pulls. Otherwise we get "hw csum failure"
logs similar to this (ICMP packet received on geneve tunnel
via ixgbe NIC):
[ 405.740065] genev_sys_6081: hw csum failure
[ 405.740106] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G I 4.10.0-rc3+ #1
[ 405.740108] Call Trace:
[ 405.740110] <IRQ>
[ 405.740113] dump_stack+0x63/0x87
[ 405.740116] netdev_rx_csum_fault+0x3a/0x40
[ 405.740118] __skb_checksum_complete+0xcf/0xe0
[ 405.740120] nf_ip_checksum+0xc8/0xf0
[ 405.740124] icmp_error+0x1de/0x351 [nf_conntrack_ipv4]
[ 405.740132] nf_conntrack_in+0xe1/0x550 [nf_conntrack]
[ 405.740137] ? find_bucket.isra.2+0x62/0x70 [openvswitch]
[ 405.740143] __ovs_ct_lookup+0x95/0x980 [openvswitch]
[ 405.740145] ? netif_rx_internal+0x44/0x110
[ 405.740149] ovs_ct_execute+0x147/0x4b0 [openvswitch]
[ 405.740153] do_execute_actions+0x22e/0xa70 [openvswitch]
[ 405.740157] ovs_execute_actions+0x40/0x120 [openvswitch]
[ 405.740161] ovs_dp_process_packet+0x84/0x120 [openvswitch]
[ 405.740166] ovs_vport_receive+0x73/0xd0 [openvswitch]
[ 405.740168] ? udp_rcv+0x1a/0x20
[ 405.740170] ? ip_local_deliver_finish+0x93/0x1e0
[ 405.740172] ? ip_local_deliver+0x6f/0xe0
[ 405.740174] ? ip_rcv_finish+0x3a0/0x3a0
[ 405.740176] ? ip_rcv_finish+0xdb/0x3a0
[ 405.740177] ? ip_rcv+0x2a7/0x400
[ 405.740180] ? __netif_receive_skb_core+0x970/0xa00
[ 405.740185] netdev_frame_hook+0xd3/0x160 [openvswitch]
[ 405.740187] __netif_receive_skb_core+0x1dc/0xa00
[ 405.740194] ? ixgbe_clean_rx_irq+0x46d/0xa20 [ixgbe]
[ 405.740197] __netif_receive_skb+0x18/0x60
[ 405.740199] netif_receive_skb_internal+0x40/0xb0
[ 405.740201] napi_gro_receive+0xcd/0x120
[ 405.740204] gro_cell_poll+0x57/0x80 [geneve]
[ 405.740206] net_rx_action+0x260/0x3c0
[ 405.740209] __do_softirq+0xc9/0x28c
[ 405.740211] irq_exit+0xd9/0xf0
[ 405.740213] do_IRQ+0x51/0xd0
[ 405.740215] common_interrupt+0x93/0x93
Fixes:
|
||
|---|---|---|
| .. | ||
| actions.c | ||
| conntrack.c | ||
| conntrack.h | ||
| datapath.c | ||
| datapath.h | ||
| dp_notify.c | ||
| flow_netlink.c | ||
| flow_netlink.h | ||
| flow_table.c | ||
| flow_table.h | ||
| flow.c | ||
| flow.h | ||
| Kconfig | ||
| Makefile | ||
| vport-geneve.c | ||
| vport-gre.c | ||
| vport-internal_dev.c | ||
| vport-internal_dev.h | ||
| vport-netdev.c | ||
| vport-netdev.h | ||
| vport-vxlan.c | ||
| vport.c | ||
| vport.h | ||