tcp_output.c (ebc01f593b58e1896150fc2e3cbdd0116323c52c) tcp_output.c (f7b3bec6f5167efaf56b756abfafb924cb1d3050)
1/*
2 * INET An implementation of the TCP/IP protocol suite for the LINUX
3 * operating system. INET is implemented using the BSD Socket
4 * interface as the means of communication with the user level.
5 *
6 * Implementation of the Transmission Control Protocol(TCP).
7 *
8 * Authors: Ross Biro

--- 319 unchanged lines hidden (view full) ---

328 else if (tcp_ca_needs_ecn(sk))
329 INET_ECN_xmit(sk);
330}
331
332/* Packet ECN state for a SYN. */
333static void tcp_ecn_send_syn(struct sock *sk, struct sk_buff *skb)
334{
335 struct tcp_sock *tp = tcp_sk(sk);
1/*
2 * INET An implementation of the TCP/IP protocol suite for the LINUX
3 * operating system. INET is implemented using the BSD Socket
4 * interface as the means of communication with the user level.
5 *
6 * Implementation of the Transmission Control Protocol(TCP).
7 *
8 * Authors: Ross Biro

--- 319 unchanged lines hidden (view full) ---

328 else if (tcp_ca_needs_ecn(sk))
329 INET_ECN_xmit(sk);
330}
331
332/* Packet ECN state for a SYN. */
333static void tcp_ecn_send_syn(struct sock *sk, struct sk_buff *skb)
334{
335 struct tcp_sock *tp = tcp_sk(sk);
336 bool use_ecn = sock_net(sk)->ipv4.sysctl_tcp_ecn == 1 ||
337 tcp_ca_needs_ecn(sk);
336
338
339 if (!use_ecn) {
340 const struct dst_entry *dst = __sk_dst_get(sk);
341
342 if (dst && dst_feature(dst, RTAX_FEATURE_ECN))
343 use_ecn = true;
344 }
345
337 tp->ecn_flags = 0;
346 tp->ecn_flags = 0;
338 if (sock_net(sk)->ipv4.sysctl_tcp_ecn == 1 ||
339 tcp_ca_needs_ecn(sk)) {
347
348 if (use_ecn) {
340 TCP_SKB_CB(skb)->tcp_flags |= TCPHDR_ECE | TCPHDR_CWR;
341 tp->ecn_flags = TCP_ECN_OK;
342 if (tcp_ca_needs_ecn(sk))
343 INET_ECN_xmit(sk);
344 }
345}
346
347static void

--- 3018 unchanged lines hidden --- 		349 TCP_SKB_CB(skb)->tcp_flags |= TCPHDR_ECE | TCPHDR_CWR;
350 tp->ecn_flags = TCP_ECN_OK;
351 if (tcp_ca_needs_ecn(sk))
352 INET_ECN_xmit(sk);
353 }
354}
355
356static void

--- 3018 unchanged lines hidden ---