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authorGilad Ben-Yossef <gilad@codefidence.com>2009-10-28 04:15:25 +0000
committerDavid S. Miller <davem@davemloft.net>2009-10-29 01:28:45 -0700
commitcda42ebd67ee5fdf09d7057b5a4584d36fe8a335 (patch)
tree22d87e57330911ea34f610c0da5aa7a10fa2e8d9 /net/ipv4/tcp_input.c
parent1aba721eba1d84a2defce45b950272cee1e6c72a (diff)
Allow disabling TCP timestamp options per route
Implement querying and acting upon the no timestamp bit in the feature field. Signed-off-by: Gilad Ben-Yossef <gilad@codefidence.com> Sigend-off-by: Ori Finkelman <ori@comsleep.com> Sigend-off-by: Yony Amit <yony@comsleep.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_input.c')
-rw-r--r--net/ipv4/tcp_input.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 5fb25f97745..6097491aa9f 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3755,7 +3755,8 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
case TCPOPT_TIMESTAMP:
if ((opsize == TCPOLEN_TIMESTAMP) &&
((estab && opt_rx->tstamp_ok) ||
- (!estab && sysctl_tcp_timestamps))) {
+ (!estab && sysctl_tcp_timestamps &&
+ !dst_feature(dst, RTAX_FEATURE_NO_TSTAMP)))) {
opt_rx->saw_tstamp = 1;
opt_rx->rcv_tsval = get_unaligned_be32(ptr);
opt_rx->rcv_tsecr = get_unaligned_be32(ptr + 4);