dst_negative_advice(sk);
} else {
sk_rethink_txhash(sk);
+ tp->timeout_rehash++;
+ __NET_INC_STATS(sock_net(sk),
+ LINUX_MIB_TCPTIMEOUTREHASH);
}
retry_until = icsk->icsk_syn_retries ? : net->ipv4.sysctl_tcp_syn_retries;
expired = icsk->icsk_retransmits >= retry_until;
dst_negative_advice(sk);
} else {
sk_rethink_txhash(sk);
+ tp->timeout_rehash++;
+ __NET_INC_STATS(sock_net(sk),
+ LINUX_MIB_TCPTIMEOUTREHASH);
}
retry_until = net->ipv4.sysctl_tcp_retries2;
struct net *net = sock_net(sk);
struct inet_connection_sock *icsk = inet_csk(sk);
struct request_sock *req;
+ struct sk_buff *skb;
req = rcu_dereference_protected(tp->fastopen_rsk,
lockdep_sock_is_held(sk));
*/
return;
}
- if (!tp->packets_out || WARN_ON_ONCE(tcp_rtx_queue_empty(sk)))
+
+ if (!tp->packets_out)
+ return;
+
+ skb = tcp_rtx_queue_head(sk);
+ if (WARN_ON_ONCE(!skb))
return;
tp->tlp_high_seq = 0;
goto out;
}
tcp_enter_loss(sk);
- tcp_retransmit_skb(sk, tcp_rtx_queue_head(sk), 1);
+ tcp_retransmit_skb(sk, skb, 1);
__sk_dst_reset(sk);
goto out_reset_timer;
}