diff options
author | Scott Wood <scottwood@freescale.com> | 2014-05-14 18:11:24 (GMT) |
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committer | Scott Wood <scottwood@freescale.com> | 2014-05-14 18:12:24 (GMT) |
commit | ffb069a30665ec06c05916355bc3252e33fc863b (patch) | |
tree | ba7b82696000c0f2983672d22966b83112da874e /include/net | |
parent | 8d5cd1658cb0c97d5429124f9fb5caa88c460186 (diff) | |
parent | 3756888c2a2da9c7291d39cacd1184171111b49d (diff) | |
download | linux-fsl-qoriq-ffb069a30665ec06c05916355bc3252e33fc863b.tar.xz |
Merge remote-tracking branch 'stable/linux-3.12.y' into sdk-v1.6.x
Signed-off-by: Scott Wood <scottwood@freescale.com>
Conflicts:
arch/sparc/Kconfig
drivers/tty/tty_buffer.c
Diffstat (limited to 'include/net')
-rw-r--r-- | include/net/sock.h | 5 | ||||
-rw-r--r-- | include/net/tcp.h | 11 |
2 files changed, 11 insertions, 5 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 808cbc2..6e2c490 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1459,6 +1459,11 @@ static inline void sk_wmem_free_skb(struct sock *sk, struct sk_buff *skb) */ #define sock_owned_by_user(sk) ((sk)->sk_lock.owned) +static inline void sock_release_ownership(struct sock *sk) +{ + sk->sk_lock.owned = 0; +} + /* * Macro so as to not evaluate some arguments when * lockdep is not enabled. diff --git a/include/net/tcp.h b/include/net/tcp.h index 51dcc6f..31c4890 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -484,20 +484,21 @@ extern 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; } extern u32 __cookie_v4_init_sequence(const struct iphdr *iph, |