diff options
Diffstat (limited to 'net/ipv4/tcp_minisocks.c')
| -rw-r--r-- | net/ipv4/tcp_minisocks.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index 4c03598..ab32c18 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c @@ -26,13 +26,7 @@ #include <net/inet_common.h> #include <net/xfrm.h> -#ifdef CONFIG_SYSCTL -#define SYNC_INIT 0 /* let the user enable it */ -#else -#define SYNC_INIT 1 -#endif - -int sysctl_tcp_syncookies __read_mostly = SYNC_INIT; +int sysctl_tcp_syncookies __read_mostly = 1; EXPORT_SYMBOL(sysctl_tcp_syncookies); int sysctl_tcp_abort_on_overflow __read_mostly; @@ -100,9 +94,9 @@ 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, NULL); if (tmp_opt.saw_tstamp) { tmp_opt.ts_recent = tcptw->tw_ts_recent; @@ -476,7 +470,7 @@ struct sock *tcp_create_openreq_child(struct sock *sk, struct request_sock *req, if (newtp->af_specific->md5_lookup(sk, newsk)) newtp->tcp_header_len += TCPOLEN_MD5SIG_ALIGNED; #endif - if (skb->len >= TCP_MIN_RCVMSS+newtp->tcp_header_len) + if (skb->len >= TCP_MSS_DEFAULT + newtp->tcp_header_len) newicsk->icsk_ack.last_seg_size = skb->len - newtp->tcp_header_len; newtp->rx_opt.mss_clamp = req->mss; TCP_ECN_openreq_child(newtp, req); @@ -501,9 +495,9 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb, struct tcp_options_received tmp_opt; struct sock *child; - tmp_opt.saw_tstamp = 0; - if (th->doff > (sizeof(struct tcphdr)>>2)) { - tcp_parse_options(skb, &tmp_opt, 0); + if ((th->doff > (sizeof(struct tcphdr)>>2)) && (req->ts_recent)) { + tmp_opt.tstamp_ok = 1; + tcp_parse_options(skb, &tmp_opt, 1, NULL); if (tmp_opt.saw_tstamp) { tmp_opt.ts_recent = req->ts_recent; |