diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2014-03-31 18:17:33 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-03-31 18:17:33 +0200 |
| commit | ade63aada79c61bcd5f51cbd310f237399892268 (patch) | |
| tree | 4f8605528bfd9b6261679883974b9ac4870223dd /include/net/tcp.h | |
| parent | 9a1724c7506bfa7d3d9dcab13f83e9e6446929f9 (diff) | |
| parent | c14af233fbe279d0e561ecf84f1208b1bae087ef (diff) | |
Merge branch '3.14-fixes' into mips-for-linux-next
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 56fc366da6d5..743accec6c76 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -480,20 +480,21 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb, #ifdef CONFIG_SYN_COOKIES #include <linux/ktime.h> -/* Syncookies use a monotonic timer which increments every 64 seconds. +/* Syncookies use a monotonic timer which increments every 60 seconds. * This counter is used both as a hash input and partially encoded into * the cookie value. A cookie is only validated further if the delta * between the current counter value and the encoded one is less than this, - * i.e. a sent cookie is valid only at most for 128 seconds (or less if + * i.e. a sent cookie is valid only at most for 2*60 seconds (or less if * the counter advances immediately after a cookie is generated). */ #define MAX_SYNCOOKIE_AGE 2 static inline u32 tcp_cookie_time(void) { - struct timespec now; - getnstimeofday(&now); - return now.tv_sec >> 6; /* 64 seconds granularity */ + u64 val = get_jiffies_64(); + + do_div(val, 60 * HZ); + return val; } u32 __cookie_v4_init_sequence(const struct iphdr *iph, const struct tcphdr *th, @@ -1303,7 +1304,8 @@ struct tcp_fastopen_request { /* Fast Open cookie. Size 0 means a cookie request */ struct tcp_fastopen_cookie cookie; struct msghdr *data; /* data in MSG_FASTOPEN */ - u16 copied; /* queued in tcp_connect() */ + size_t size; + int copied; /* queued in tcp_connect() */ }; void tcp_free_fastopen_req(struct tcp_sock *tp); |
