diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/tcp_input.c | 11 | ||||
| -rw-r--r-- | net/ipv4/tcp_minisocks.c | 4 |
2 files changed, 7 insertions, 8 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index f527a16a7b33..b7d02c5dd6da 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -3883,8 +3883,7 @@ static inline void tcp_replace_ts_recent(struct tcp_sock *tp, u32 seq) * Not only, also it occurs for expired timestamps. */ - if ((s32)(tp->rx_opt.rcv_tsval - tp->rx_opt.ts_recent) >= 0 || - get_seconds() >= tp->rx_opt.ts_recent_stamp + TCP_PAWS_24DAYS) + if (tcp_paws_check(&tp->rx_opt, 0)) tcp_store_ts_recent(tp); } } @@ -3936,9 +3935,9 @@ static inline int tcp_paws_discard(const struct sock *sk, const struct sk_buff *skb) { const struct tcp_sock *tp = tcp_sk(sk); - return ((s32)(tp->rx_opt.ts_recent - tp->rx_opt.rcv_tsval) > TCP_PAWS_WINDOW && - get_seconds() < tp->rx_opt.ts_recent_stamp + TCP_PAWS_24DAYS && - !tcp_disordered_ack(sk, skb)); + + return !tcp_paws_check(&tp->rx_opt, TCP_PAWS_WINDOW) && + !tcp_disordered_ack(sk, skb); } /* Check segment sequence number for validity. @@ -5513,7 +5512,7 @@ discard: /* PAWS check. */ if (tp->rx_opt.ts_recent_stamp && tp->rx_opt.saw_tstamp && - tcp_paws_check(&tp->rx_opt, 0)) + tcp_paws_reject(&tp->rx_opt, 0)) goto discard_and_undo; if (th->syn) { diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index 4b0df3e6b609..43bbba7926ee 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c @@ -107,7 +107,7 @@ tcp_timewait_state_process(struct inet_timewait_sock *tw, struct sk_buff *skb, if (tmp_opt.saw_tstamp) { tmp_opt.ts_recent = tcptw->tw_ts_recent; tmp_opt.ts_recent_stamp = tcptw->tw_ts_recent_stamp; - paws_reject = tcp_paws_check(&tmp_opt, th->rst); + paws_reject = tcp_paws_reject(&tmp_opt, th->rst); } } @@ -511,7 +511,7 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb, * from another data. */ tmp_opt.ts_recent_stamp = get_seconds() - ((TCP_TIMEOUT_INIT/HZ)<<req->retrans); - paws_reject = tcp_paws_check(&tmp_opt, th->rst); + paws_reject = tcp_paws_reject(&tmp_opt, th->rst); } } |