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Diffstat (limited to 'net/ipv4/tcp_timer.c')
-rw-r--r--net/ipv4/tcp_timer.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 803d758a2b12..4de68cf5f2aa 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -299,12 +299,20 @@ static void tcp_retransmit_timer(struct sock *sk)
* we cannot allow such beasts to hang infinitely.
*/
#ifdef TCP_DEBUG
- if (1) {
- struct inet_sock *inet = inet_sk(sk);
- LIMIT_NETDEBUG(KERN_DEBUG "TCP: Treason uncloaked! Peer %u.%u.%u.%u:%u/%u shrinks window %u:%u. Repaired.\n",
+ struct inet_sock *inet = inet_sk(sk);
+ if (sk->sk_family == AF_INET) {
+ LIMIT_NETDEBUG(KERN_DEBUG "TCP: Treason uncloaked! Peer " NIPQUAD_FMT ":%u/%u shrinks window %u:%u. Repaired.\n",
NIPQUAD(inet->daddr), ntohs(inet->dport),
inet->num, tp->snd_una, tp->snd_nxt);
}
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ else if (sk->sk_family == AF_INET6) {
+ struct ipv6_pinfo *np = inet6_sk(sk);
+ LIMIT_NETDEBUG(KERN_DEBUG "TCP: Treason uncloaked! Peer " NIP6_FMT ":%u/%u shrinks window %u:%u. Repaired.\n",
+ NIP6(np->daddr), ntohs(inet->dport),
+ inet->num, tp->snd_una, tp->snd_nxt);
+ }
+#endif
#endif
if (tcp_time_stamp - tp->rcv_tstamp > TCP_RTO_MAX) {
tcp_write_err(sk);
@@ -481,6 +489,11 @@ static void tcp_keepalive_timer (unsigned long data)
goto death;
}
+ if (tp->defer_tcp_accept.request && sk->sk_state == TCP_ESTABLISHED) {
+ tcp_send_active_reset(sk, GFP_ATOMIC);
+ goto death;
+ }
+
if (!sock_flag(sk, SOCK_KEEPOPEN) || sk->sk_state == TCP_CLOSE)
goto out;