diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index f329c617eb96..b63da0d1a4b2 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -317,6 +317,7 @@ enum skb_drop_reason { 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_MAX, }; diff --git a/include/trace/events/skb.h b/include/trace/events/skb.h index a8a64b97504d..3d89f7b09a43 100644 --- a/include/trace/events/skb.h +++ b/include/trace/events/skb.h @@ -16,6 +16,7 @@ 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) \ EMe(SKB_DROP_REASON_MAX, MAX) #undef EM diff --git a/net/netfilter/core.c b/net/netfilter/core.c index 60332fdb6dd4..cca0762a9010 100644 --- a/net/netfilter/core.c +++ b/net/netfilter/core.c @@ -592,7 +592,8 @@ int nf_hook_slow(struct sk_buff *skb, struct nf_hook_state *state, case NF_ACCEPT: break; case NF_DROP: - kfree_skb(skb); + kfree_skb_reason(skb, + SKB_DROP_REASON_NETFILTER_DROP); ret = NF_DROP_GETERR(verdict); if (ret == 0) ret = -EPERM;