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| author |   Gilad Ben-Yossef <gilad@codefidence.com> | 2009-10-28 04:15:22 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2009-10-29 01:28:41 -0700 |
| commit | 022c3f7d82f0f1c68018696f2f027b87b9bb45c2 (patch) | |
| tree | ca46c372d815e46f488ec348ae427d34d1f6079e /net/ipv4/tcp_ipv4.c | |
| parent | Only parse time stamp TCP option in time wait sock (diff) | |
| download | linux-dev-022c3f7d82f0f1c68018696f2f027b87b9bb45c2.tar.xz linux-dev-022c3f7d82f0f1c68018696f2f027b87b9bb45c2.zip | |
Allow tcp_parse_options to consult dst entry
We need tcp_parse_options to be aware of dst_entry to
take into account per dst_entry TCP options settings
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_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index a4a3390a5287..657ae334f125 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1257,11 +1257,21 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) tcp_rsk(req)->af_specific = &tcp_request_sock_ipv4_ops; #endif + ireq = inet_rsk(req); + ireq->loc_addr = daddr; + ireq->rmt_addr = saddr; + ireq->no_srccheck = inet_sk(sk)->transparent; + ireq->opt = tcp_v4_save_options(sk, skb); + + dst = inet_csk_route_req(sk, req); + if(!dst) + goto drop_and_free; + tcp_clear_options(&tmp_opt); tmp_opt.mss_clamp = 536; tmp_opt.user_mss = tcp_sk(sk)->rx_opt.user_mss; - tcp_parse_options(skb, &tmp_opt, 0); + tcp_parse_options(skb, &tmp_opt, 0, dst); if (want_cookie && !tmp_opt.saw_tstamp) tcp_clear_options(&tmp_opt); @@ -1270,14 +1280,8 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) tcp_openreq_init(req, &tmp_opt, skb); - ireq = inet_rsk(req); - ireq->loc_addr = daddr; - ireq->rmt_addr = saddr; - ireq->no_srccheck = inet_sk(sk)->transparent; - ireq->opt = tcp_v4_save_options(sk, skb); - if (security_inet_conn_request(sk, skb, req)) - goto drop_and_free; + goto drop_and_release; if (!want_cookie) TCP_ECN_create_request(req, tcp_hdr(skb)); @@ -1302,7 +1306,6 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) */ if (tmp_opt.saw_tstamp && tcp_death_row.sysctl_tw_recycle && - (dst = inet_csk_route_req(sk, req)) != NULL && (peer = rt_get_peer((struct rtable *)dst)) != NULL && peer->v4daddr == saddr) { if (get_seconds() < peer->tcp_ts_stamp + TCP_PAWS_MSL && |