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| author | Florian Westphal <fw@strlen.de> | 2010-06-21 13:48:45 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-06-27 07:00:03 +0200 |
| commit | 172d69e63c7f1e8300d0e1c1bbd8eb0f630faa15 (patch) | |
| tree | c71118ddc86186e235a920b9529c457db5e9aae5 /net/ipv6/tcp_ipv6.c | |
| parent | syncookies: do not store rcv_wscale in tcp timestamp (diff) | |
| download | linux-172d69e63c7f1e8300d0e1c1bbd8eb0f630faa15.tar.xz linux-172d69e63c7f1e8300d0e1c1bbd8eb0f630faa15.zip | |
syncookies: add support for ECN
Allows use of ECN when syncookies are in effect by encoding ecn_ok
into the syn-ack tcp timestamp.
While at it, remove a uneeded #ifdef CONFIG_SYN_COOKIES.
With CONFIG_SYN_COOKIES=nm want_cookie is ifdef'd to 0 and gcc
removes the "if (0)".
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index f87534569366..5ebc27ecebdc 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1269,7 +1269,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb) treq = inet6_rsk(req); ipv6_addr_copy(&treq->rmt_addr, &ipv6_hdr(skb)->saddr); ipv6_addr_copy(&treq->loc_addr, &ipv6_hdr(skb)->daddr); - if (!want_cookie) + if (!want_cookie || tmp_opt.tstamp_ok) TCP_ECN_create_request(req, tcp_hdr(skb)); if (!isn) { |