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tcp: make sysctl_tcp_ecn namespace aware

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As per suggestion from Eric Dumazet this patch makes tcp_ecn sysctl
namespace aware.  The reason behind this patch is to ease the testing
of ecn problems on the internet and allows applications to tune their
own use of ecn.

Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David Miller <davem@davemloft.net>
Cc: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hannes Frederic Sowa
2013-01-05 16:10:48 +00:00
committed by David S. Miller
parent 71bcdba06d
commit 5d134f1c1f
9 changed files with 25 additions and 20 deletions
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2
net/ipv6/syncookies.c
View File

@@ -179,7 +179,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
memset(&tcp_opt, 0, sizeof(tcp_opt));
tcp_parse_options(skb, &tcp_opt, &hash_location, 0, NULL);
if (!cookie_check_timestamp(&tcp_opt, &ecn_ok))
if (!cookie_check_timestamp(&tcp_opt, sock_net(sk), &ecn_ok))
goto out;
ret = NULL;

2
net/ipv6/tcp_ipv6.c
View File

@@ -1027,7 +1027,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
treq->rmt_addr = ipv6_hdr(skb)->saddr;
treq->loc_addr = ipv6_hdr(skb)->daddr;
if (!want_cookie || tmp_opt.tstamp_ok)
TCP_ECN_create_request(req, skb);
TCP_ECN_create_request(req, skb, sock_net(sk));
treq->iif = sk->sk_bound_dev_if;