diff options
| -rw-r--r-- | include/net/tcp.h | 2 | ||||
| -rw-r--r-- | net/ipv4/tcp_input.c | 13 | ||||
| -rw-r--r-- | net/ipv4/tcp_minisocks.c | 2 |
3 files changed, 10 insertions, 7 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index a62fb7f8a1e3..b1a05f8b35f0 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -611,7 +611,7 @@ void tcp_skb_collapse_tstamp(struct sk_buff *skb, /* tcp_input.c */ void tcp_rearm_rto(struct sock *sk); void tcp_synack_rtt_meas(struct sock *sk, struct request_sock *req); -void tcp_reset(struct sock *sk); +void tcp_reset(struct sock *sk, struct sk_buff *skb); void tcp_skb_mark_lost_uncond_verify(struct tcp_sock *tp, struct sk_buff *skb); void tcp_fin(struct sock *sk); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index d6ad3b5c38e7..48ee476aa031 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -4218,10 +4218,13 @@ static inline bool tcp_sequence(const struct tcp_sock *tp, u32 seq, u32 end_seq) } /* When we get a reset we do this. */ -void tcp_reset(struct sock *sk) +void tcp_reset(struct sock *sk, struct sk_buff *skb) { trace_tcp_receive_reset(sk); + if (sk_is_mptcp(sk)) + mptcp_incoming_options(sk, skb); + /* We want the right error as BSD sees it (and indeed as we do). */ switch (sk->sk_state) { case TCP_SYN_SENT: @@ -5604,7 +5607,7 @@ static bool tcp_validate_incoming(struct sock *sk, struct sk_buff *skb, &tp->last_oow_ack_time)) tcp_send_dupack(sk, skb); } else if (tcp_reset_check(sk, skb)) { - tcp_reset(sk); + tcp_reset(sk, skb); } goto discard; } @@ -5640,7 +5643,7 @@ static bool tcp_validate_incoming(struct sock *sk, struct sk_buff *skb, } if (rst_seq_match) - tcp_reset(sk); + tcp_reset(sk, skb); else { /* Disable TFO if RST is out-of-order * and no data has been received @@ -6077,7 +6080,7 @@ static int tcp_rcv_synsent_state_process(struct sock *sk, struct sk_buff *skb, */ if (th->rst) { - tcp_reset(sk); + tcp_reset(sk, skb); goto discard; } @@ -6519,7 +6522,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb) if (TCP_SKB_CB(skb)->end_seq != TCP_SKB_CB(skb)->seq && after(TCP_SKB_CB(skb)->end_seq - th->fin, tp->rcv_nxt)) { NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPABORTONDATA); - tcp_reset(sk); + tcp_reset(sk, skb); return 1; } } diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index 495dda2449fe..0055ae0a3bf8 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c @@ -801,7 +801,7 @@ embryonic_reset: req->rsk_ops->send_reset(sk, skb); } else if (fastopen) { /* received a valid RST pkt */ reqsk_fastopen_remove(sk, req, true); - tcp_reset(sk); + tcp_reset(sk, skb); } if (!fastopen) { inet_csk_reqsk_queue_drop(sk, req); |