diff options
Diffstat (limited to 'include/net/dropreason-core.h')
| -rw-r--r-- | include/net/dropreason-core.h | 111 |
1 files changed, 74 insertions, 37 deletions
diff --git a/include/net/dropreason-core.h b/include/net/dropreason-core.h index e4fdc6b54cef..e0ca3904ff8e 100644 --- a/include/net/dropreason-core.h +++ b/include/net/dropreason-core.h @@ -40,10 +40,12 @@ FN(TCP_OFOMERGE) \ FN(TCP_RFC7323_PAWS) \ FN(TCP_RFC7323_PAWS_ACK) \ + FN(TCP_RFC7323_TW_PAWS) \ FN(TCP_RFC7323_TSECR) \ FN(TCP_LISTEN_OVERFLOW) \ FN(TCP_OLD_SEQUENCE) \ FN(TCP_INVALID_SEQUENCE) \ + FN(TCP_INVALID_END_SEQUENCE) \ FN(TCP_INVALID_ACK_SEQUENCE) \ FN(TCP_RESET) \ FN(TCP_INVALID_SYN) \ @@ -61,21 +63,20 @@ FN(NEIGH_FAILED) \ FN(NEIGH_QUEUEFULL) \ FN(NEIGH_DEAD) \ + FN(NEIGH_HH_FILLFAIL) \ FN(TC_EGRESS) \ FN(SECURITY_HOOK) \ FN(QDISC_DROP) \ - FN(QDISC_OVERLIMIT) \ - FN(QDISC_CONGESTED) \ - FN(CAKE_FLOOD) \ - FN(FQ_BAND_LIMIT) \ - FN(FQ_HORIZON_LIMIT) \ - FN(FQ_FLOW_LIMIT) \ + FN(QDISC_BURST_DROP) \ FN(CPU_BACKLOG) \ + FN(MACVLAN_BROADCAST_BACKLOG) \ + FN(IPVLAN_MULTICAST_BACKLOG) \ FN(XDP) \ FN(TC_INGRESS) \ FN(UNHANDLED_PROTO) \ FN(SKB_CSUM) \ FN(SKB_GSO_SEG) \ + FN(SKB_BAD_GSO) \ FN(SKB_UCOPY_FAULT) \ FN(DEV_HDR) \ FN(DEV_READY) \ @@ -119,6 +120,13 @@ FN(ARP_PVLAN_DISABLE) \ FN(MAC_IEEE_MAC_CONTROL) \ FN(BRIDGE_INGRESS_STP_STATE) \ + FN(CAN_RX_INVALID_FRAME) \ + FN(CANFD_RX_INVALID_FRAME) \ + FN(CANXL_RX_INVALID_FRAME) \ + FN(PFMEMALLOC) \ + FN(PSP_INPUT) \ + FN(PSP_OUTPUT) \ + FN(RECURSION_LIMIT) \ FNe(MAX) /** @@ -284,6 +292,12 @@ enum skb_drop_reason { */ SKB_DROP_REASON_TCP_RFC7323_PAWS_ACK, /** + * @SKB_DROP_REASON_TCP_RFC7323_TW_PAWS: PAWS check, socket is in + * TIME_WAIT state. + * Corresponds to LINUX_MIB_PAWS_TW_REJECTED. + */ + SKB_DROP_REASON_TCP_RFC7323_TW_PAWS, + /** * @SKB_DROP_REASON_TCP_RFC7323_TSECR: PAWS check, invalid TSEcr. * Corresponds to LINUX_MIB_TSECRREJECTED. */ @@ -292,9 +306,15 @@ enum skb_drop_reason { SKB_DROP_REASON_TCP_LISTEN_OVERFLOW, /** @SKB_DROP_REASON_TCP_OLD_SEQUENCE: Old SEQ field (duplicate packet) */ SKB_DROP_REASON_TCP_OLD_SEQUENCE, - /** @SKB_DROP_REASON_TCP_INVALID_SEQUENCE: Not acceptable SEQ field */ + /** @SKB_DROP_REASON_TCP_INVALID_SEQUENCE: Not acceptable SEQ field. */ SKB_DROP_REASON_TCP_INVALID_SEQUENCE, /** + * @SKB_DROP_REASON_TCP_INVALID_END_SEQUENCE: + * Not acceptable END_SEQ field. + * Corresponds to LINUX_MIB_BEYOND_WINDOW. + */ + SKB_DROP_REASON_TCP_INVALID_END_SEQUENCE, + /** * @SKB_DROP_REASON_TCP_INVALID_ACK_SEQUENCE: Not acceptable ACK SEQ * field because ack sequence is not in the window between snd_una * and snd_nxt @@ -341,51 +361,40 @@ enum skb_drop_reason { SKB_DROP_REASON_NEIGH_QUEUEFULL, /** @SKB_DROP_REASON_NEIGH_DEAD: neigh entry is dead */ SKB_DROP_REASON_NEIGH_DEAD, + /** @SKB_DROP_REASON_NEIGH_HH_FILLFAIL: failed to fill the device hard header */ + SKB_DROP_REASON_NEIGH_HH_FILLFAIL, /** @SKB_DROP_REASON_TC_EGRESS: dropped in TC egress HOOK */ SKB_DROP_REASON_TC_EGRESS, /** @SKB_DROP_REASON_SECURITY_HOOK: dropped due to security HOOK */ SKB_DROP_REASON_SECURITY_HOOK, /** - * @SKB_DROP_REASON_QDISC_DROP: dropped by qdisc when packet outputting ( - * failed to enqueue to current qdisc) + * @SKB_DROP_REASON_QDISC_DROP: dropped by qdisc during enqueue or + * dequeue. More specific drop reasons are available via the + * qdisc:qdisc_drop tracepoint, which also provides qdisc handle + * and name for identifying the source. */ SKB_DROP_REASON_QDISC_DROP, /** - * @SKB_DROP_REASON_QDISC_OVERLIMIT: dropped by qdisc when a qdisc - * instance exceeds its total buffer size limit. - */ - SKB_DROP_REASON_QDISC_OVERLIMIT, - /** - * @SKB_DROP_REASON_QDISC_CONGESTED: dropped by a qdisc AQM algorithm - * due to congestion. - */ - SKB_DROP_REASON_QDISC_CONGESTED, - /** - * @SKB_DROP_REASON_CAKE_FLOOD: dropped by the flood protection part of - * CAKE qdisc AQM algorithm (BLUE). - */ - SKB_DROP_REASON_CAKE_FLOOD, - /** - * @SKB_DROP_REASON_FQ_BAND_LIMIT: dropped by fq qdisc when per band - * limit is reached. - */ - SKB_DROP_REASON_FQ_BAND_LIMIT, - /** - * @SKB_DROP_REASON_FQ_HORIZON_LIMIT: dropped by fq qdisc when packet - * timestamp is too far in the future. - */ - SKB_DROP_REASON_FQ_HORIZON_LIMIT, - /** - * @SKB_DROP_REASON_FQ_FLOW_LIMIT: dropped by fq qdisc when a flow - * exceeds its limits. + * @SKB_DROP_REASON_QDISC_BURST_DROP: dropped when net.core.qdisc_max_burst + * limit is hit. */ - SKB_DROP_REASON_FQ_FLOW_LIMIT, + SKB_DROP_REASON_QDISC_BURST_DROP, /** * @SKB_DROP_REASON_CPU_BACKLOG: failed to enqueue the skb to the per CPU * backlog queue. This can be caused by backlog queue full (see * netdev_max_backlog in net.rst) or RPS flow limit */ SKB_DROP_REASON_CPU_BACKLOG, + /** + * @SKB_DROP_REASON_MACVLAN_BROADCAST_BACKLOG: failed to enqueue the skb + * to macvlan broadcast queue. + */ + SKB_DROP_REASON_MACVLAN_BROADCAST_BACKLOG, + /** + * @SKB_DROP_REASON_IPVLAN_MULTICAST_BACKLOG: failed to enqueue the skb + * to ipvlan multicast queue. + */ + SKB_DROP_REASON_IPVLAN_MULTICAST_BACKLOG, /** @SKB_DROP_REASON_XDP: dropped by XDP in input path */ SKB_DROP_REASON_XDP, /** @SKB_DROP_REASON_TC_INGRESS: dropped in TC ingress HOOK */ @@ -396,6 +405,8 @@ enum skb_drop_reason { SKB_DROP_REASON_SKB_CSUM, /** @SKB_DROP_REASON_SKB_GSO_SEG: gso segmentation error */ SKB_DROP_REASON_SKB_GSO_SEG, + /** @SKB_DROP_REASON_SKB_BAD_GSO: malicious gso packet. */ + SKB_DROP_REASON_SKB_BAD_GSO, /** * @SKB_DROP_REASON_SKB_UCOPY_FAULT: failed to copy data from user space, * e.g., via zerocopy_sg_from_iter() or skb_orphan_frags_rx() @@ -564,6 +575,32 @@ enum skb_drop_reason { */ SKB_DROP_REASON_BRIDGE_INGRESS_STP_STATE, /** + * @SKB_DROP_REASON_CAN_RX_INVALID_FRAME: received + * non conform CAN frame (or device is unable to receive CAN frames) + */ + SKB_DROP_REASON_CAN_RX_INVALID_FRAME, + /** + * @SKB_DROP_REASON_CANFD_RX_INVALID_FRAME: received + * non conform CAN-FD frame (or device is unable to receive CAN frames) + */ + SKB_DROP_REASON_CANFD_RX_INVALID_FRAME, + /** + * @SKB_DROP_REASON_CANXL_RX_INVALID_FRAME: received + * non conform CAN-XL frame (or device is unable to receive CAN frames) + */ + SKB_DROP_REASON_CANXL_RX_INVALID_FRAME, + /** + * @SKB_DROP_REASON_PFMEMALLOC: packet allocated from memory reserve + * reached a path or socket not eligible for use of memory reserves + */ + SKB_DROP_REASON_PFMEMALLOC, + /** @SKB_DROP_REASON_PSP_INPUT: PSP input checks failed */ + SKB_DROP_REASON_PSP_INPUT, + /** @SKB_DROP_REASON_PSP_OUTPUT: PSP output checks failed */ + SKB_DROP_REASON_PSP_OUTPUT, + /** @SKB_DROP_REASON_RECURSION_LIMIT: Dead loop on virtual device. */ + SKB_DROP_REASON_RECURSION_LIMIT, + /** * @SKB_DROP_REASON_MAX: the maximum of core drop reasons, which * shouldn't be used as a real 'reason' - only for tracing code gen */ |