*
* Implementation of the Transmission Control Protocol(TCP).
*
- * Version: $Id: tcp_output.c,v 1.146 2002/02/01 22:01:04 davem Exp $
- *
* Authors: Ross Biro
* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
* Mark Evans, <evansmp@uhura.aston.ac.uk>
* room for it.
*/
md5 = tp->af_specific->md5_lookup(sk, sk);
- if (md5)
+ if (md5) {
tcp_header_size += TCPOLEN_MD5SIG_ALIGNED;
+ sk->sk_route_caps &= ~NETIF_F_GSO_MASK;
+ }
#endif
skb_push(skb, tcp_header_size);
/* Calculate the MD5 hash, as we have all we need now */
if (md5) {
tp->af_specific->calc_md5_hash(md5_hash_location,
- md5,
- sk, NULL, NULL,
- tcp_hdr(skb),
- sk->sk_protocol,
- skb->len);
+ md5, sk, NULL, skb);
}
#endif
tcp_event_data_sent(tp, skb, sk);
if (after(tcb->end_seq, tp->snd_nxt) || tcb->seq == tcb->end_seq)
- TCP_INC_STATS(TCP_MIB_OUTSEGS);
+ TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTSEGS);
err = icsk->icsk_af_ops->queue_xmit(skb, 0);
if (likely(err <= 0))
{
struct tcp_sock *tp = tcp_sk(sk);
struct inet_connection_sock *icsk = inet_csk(sk);
- unsigned int cur_mss = tcp_current_mss(sk, 0);
+ unsigned int cur_mss;
int err;
/* Inconslusive MTU probe */
return -ENOMEM;
}
+ if (inet_csk(sk)->icsk_af_ops->rebuild_header(sk))
+ return -EHOSTUNREACH; /* Routing failure or similar. */
+
+ cur_mss = tcp_current_mss(sk, 0);
+
/* If receiver has shrunk his window, and skb is out of
* new window, do not retransmit it. The exception is the
* case, when window is shrunk to zero. In this case
(sysctl_tcp_retrans_collapse != 0))
tcp_retrans_try_collapse(sk, skb, cur_mss);
- if (inet_csk(sk)->icsk_af_ops->rebuild_header(sk))
- return -EHOSTUNREACH; /* Routing failure or similar. */
-
/* Some Solaris stacks overoptimize and ignore the FIN on a
* retransmit when old data is attached. So strip it off
* since it is cheap to do so and saves bytes on the network.
if (err == 0) {
/* Update global TCP statistics. */
- TCP_INC_STATS(TCP_MIB_RETRANSSEGS);
+ TCP_INC_STATS(sock_net(sk), TCP_MIB_RETRANSSEGS);
tp->total_retrans++;
if (sacked & TCPCB_LOST) {
if (!(sacked & (TCPCB_SACKED_ACKED|TCPCB_SACKED_RETRANS))) {
+ int mib_idx;
+
if (tcp_retransmit_skb(sk, skb)) {
tp->retransmit_skb_hint = NULL;
return;
}
if (icsk->icsk_ca_state != TCP_CA_Loss)
- NET_INC_STATS_BH(LINUX_MIB_TCPFASTRETRANS);
+ mib_idx = LINUX_MIB_TCPFASTRETRANS;
else
- NET_INC_STATS_BH(LINUX_MIB_TCPSLOWSTARTRETRANS);
+ mib_idx = LINUX_MIB_TCPSLOWSTARTRETRANS;
+ NET_INC_STATS_BH(sock_net(sk), mib_idx);
if (skb == tcp_write_queue_head(sk))
inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS,
inet_csk(sk)->icsk_rto,
TCP_RTO_MAX);
- NET_INC_STATS_BH(LINUX_MIB_TCPFORWARDRETRANS);
+ NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPFORWARDRETRANS);
}
}
/* NOTE: No TCP options attached and we never retransmit this. */
skb = alloc_skb(MAX_TCP_HEADER, priority);
if (!skb) {
- NET_INC_STATS(LINUX_MIB_TCPABORTFAILED);
+ NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPABORTFAILED);
return;
}
/* Send it off. */
TCP_SKB_CB(skb)->when = tcp_time_stamp;
if (tcp_transmit_skb(sk, skb, 0, priority))
- NET_INC_STATS(LINUX_MIB_TCPABORTFAILED);
+ NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPABORTFAILED);
+
+ TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTRSTS);
}
/* WARNING: This routine must only be called when we have already sent
);
th->doff = (tcp_header_size >> 2);
- TCP_INC_STATS(TCP_MIB_OUTSEGS);
+ TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTSEGS);
#ifdef CONFIG_TCP_MD5SIG
/* Okay, we have all we need - do the md5 hash if needed */
if (md5) {
tp->af_specific->calc_md5_hash(md5_hash_location,
- md5,
- NULL, dst, req,
- tcp_hdr(skb), sk->sk_protocol,
- skb->len);
+ md5, NULL, req, skb);
}
#endif
*/
tp->snd_nxt = tp->write_seq;
tp->pushed_seq = tp->write_seq;
- TCP_INC_STATS(TCP_MIB_ACTIVEOPENS);
+ TCP_INC_STATS(sock_net(sk), TCP_MIB_ACTIVEOPENS);
/* Timer for repeating the SYN until an answer. */
inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS,