[PATCHv4 1/7] Only parse time stamp TCP option in time wait sock
From: Gilad Ben-Yossef <hidden>
Date: 2009-10-28 14:15:36
Subsystem:
networking [general], networking [tcp], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Neal Cardwell, Linus Torvalds
Since we only use tcp_parse_options here to check for the exietence of TCP timestamp option in the header, it is better to call with the "established" flag on. Signed-off-by: Gilad Ben-Yossef <redacted> Signed-off-by: Ori Finkelman <redacted> Signed-off-by: Yony Amit <redacted> --- net/ipv4/tcp_minisocks.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 624c3c9..8c8c6e6 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c@@ -100,9 +100,9 @@ tcp_timewait_state_process(struct inet_timewait_sock *tw, struct sk_buff *skb, struct tcp_options_received tmp_opt; int paws_reject = 0; - tmp_opt.saw_tstamp = 0; if (th->doff > (sizeof(*th) >> 2) && tcptw->tw_ts_recent_stamp) { - tcp_parse_options(skb, &tmp_opt, 0); + tmp_opt.tstamp_ok = 1; + tcp_parse_options(skb, &tmp_opt, 1); if (tmp_opt.saw_tstamp) { tmp_opt.ts_recent = tcptw->tw_ts_recent;
--
1.5.6.3