diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/skbuff.h | 38 | ||||
| -rw-r--r-- | include/trace/events/skb.h | 11 |
2 files changed, 43 insertions, 6 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index a27bcc4f7e9a..a5adbf6b51e8 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -314,12 +314,38 @@ struct sk_buff; * used to translate the reason to string. */ enum skb_drop_reason { - SKB_DROP_REASON_NOT_SPECIFIED, - SKB_DROP_REASON_NO_SOCKET, - SKB_DROP_REASON_PKT_TOO_SMALL, - SKB_DROP_REASON_TCP_CSUM, - SKB_DROP_REASON_SOCKET_FILTER, - SKB_DROP_REASON_UDP_CSUM, + SKB_DROP_REASON_NOT_SPECIFIED, /* drop reason is not specified */ + SKB_DROP_REASON_NO_SOCKET, /* socket not found */ + SKB_DROP_REASON_PKT_TOO_SMALL, /* packet size is too small */ + SKB_DROP_REASON_TCP_CSUM, /* TCP checksum error */ + SKB_DROP_REASON_SOCKET_FILTER, /* dropped by socket filter */ + SKB_DROP_REASON_UDP_CSUM, /* UDP checksum error */ + SKB_DROP_REASON_NETFILTER_DROP, /* dropped by netfilter */ + SKB_DROP_REASON_OTHERHOST, /* packet don't belong to current + * host (interface is in promisc + * mode) + */ + SKB_DROP_REASON_IP_CSUM, /* IP checksum error */ + SKB_DROP_REASON_IP_INHDR, /* there is something wrong with + * IP header (see + * IPSTATS_MIB_INHDRERRORS) + */ + SKB_DROP_REASON_IP_RPFILTER, /* IP rpfilter validate failed. + * see the document for rp_filter + * in ip-sysctl.rst for more + * information + */ + SKB_DROP_REASON_UNICAST_IN_L2_MULTICAST, /* destination address of L2 + * is multicast, but L3 is + * unicast. + */ + SKB_DROP_REASON_XFRM_POLICY, /* xfrm policy check failed */ + SKB_DROP_REASON_IP_NOPROTO, /* no support for IP protocol */ + SKB_DROP_REASON_SOCKET_RCVBUFF, /* socket receive buff is full */ + SKB_DROP_REASON_PROTO_MEM, /* proto memory limition, such as + * udp packet drop out of + * udp_memory_allocated. + */ SKB_DROP_REASON_MAX, }; diff --git a/include/trace/events/skb.h b/include/trace/events/skb.h index a8a64b97504d..cfcfd26399f7 100644 --- a/include/trace/events/skb.h +++ b/include/trace/events/skb.h @@ -16,6 +16,17 @@ EM(SKB_DROP_REASON_TCP_CSUM, TCP_CSUM) \ EM(SKB_DROP_REASON_SOCKET_FILTER, SOCKET_FILTER) \ EM(SKB_DROP_REASON_UDP_CSUM, UDP_CSUM) \ + EM(SKB_DROP_REASON_NETFILTER_DROP, NETFILTER_DROP) \ + EM(SKB_DROP_REASON_OTHERHOST, OTHERHOST) \ + EM(SKB_DROP_REASON_IP_CSUM, IP_CSUM) \ + EM(SKB_DROP_REASON_IP_INHDR, IP_INHDR) \ + EM(SKB_DROP_REASON_IP_RPFILTER, IP_RPFILTER) \ + EM(SKB_DROP_REASON_UNICAST_IN_L2_MULTICAST, \ + UNICAST_IN_L2_MULTICAST) \ + EM(SKB_DROP_REASON_XFRM_POLICY, XFRM_POLICY) \ + EM(SKB_DROP_REASON_IP_NOPROTO, IP_NOPROTO) \ + EM(SKB_DROP_REASON_SOCKET_RCVBUFF, SOCKET_RCVBUFF) \ + EM(SKB_DROP_REASON_PROTO_MEM, PROTO_MEM) \ EMe(SKB_DROP_REASON_MAX, MAX) #undef EM |