diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/core/net-traces.c | 1 | ||||
-rw-r--r-- | net/ipv4/tcp_input.c | 1 | ||||
-rw-r--r-- | net/ipv4/tcp_ipv4.c | 3 | ||||
-rw-r--r-- | net/ipv6/tcp_ipv6.c | 2 |
4 files changed, 7 insertions, 0 deletions
diff --git a/net/core/net-traces.c b/net/core/net-traces.c index 283ddb2dbc7d..c40cd8dd75c7 100644 --- a/net/core/net-traces.c +++ b/net/core/net-traces.c @@ -60,3 +60,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(kfree_skb); EXPORT_TRACEPOINT_SYMBOL_GPL(napi_poll); EXPORT_TRACEPOINT_SYMBOL_GPL(tcp_send_reset); +EXPORT_TRACEPOINT_SYMBOL_GPL(tcp_bad_csum); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 4cf4dd532d1c..cd52ce0a2a85 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -5885,6 +5885,7 @@ step5: return; csum_error: + trace_tcp_bad_csum(skb); TCP_INC_STATS(sock_net(sk), TCP_MIB_CSUMERRORS); TCP_INC_STATS(sock_net(sk), TCP_MIB_INERRS); diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 312184cead57..4f5b68a90be9 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1731,6 +1731,7 @@ discard: return 0; csum_err: + trace_tcp_bad_csum(skb); TCP_INC_STATS(sock_net(sk), TCP_MIB_CSUMERRORS); TCP_INC_STATS(sock_net(sk), TCP_MIB_INERRS); goto discard; @@ -1801,6 +1802,7 @@ bool tcp_add_backlog(struct sock *sk, struct sk_buff *skb) if (unlikely(tcp_checksum_complete(skb))) { bh_unlock_sock(sk); + trace_tcp_bad_csum(skb); __TCP_INC_STATS(sock_net(sk), TCP_MIB_CSUMERRORS); __TCP_INC_STATS(sock_net(sk), TCP_MIB_INERRS); return true; @@ -2098,6 +2100,7 @@ no_tcp_socket: if (tcp_checksum_complete(skb)) { csum_error: + trace_tcp_bad_csum(skb); __TCP_INC_STATS(net, TCP_MIB_CSUMERRORS); bad_packet: __TCP_INC_STATS(net, TCP_MIB_INERRS); diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 5f47c0b6e3de..4435fa342e7a 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1538,6 +1538,7 @@ discard: kfree_skb(skb); return 0; csum_err: + trace_tcp_bad_csum(skb); TCP_INC_STATS(sock_net(sk), TCP_MIB_CSUMERRORS); TCP_INC_STATS(sock_net(sk), TCP_MIB_INERRS); goto discard; @@ -1754,6 +1755,7 @@ no_tcp_socket: if (tcp_checksum_complete(skb)) { csum_error: + trace_tcp_bad_csum(skb); __TCP_INC_STATS(net, TCP_MIB_CSUMERRORS); bad_packet: __TCP_INC_STATS(net, TCP_MIB_INERRS); |