diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-15 12:40:05 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-15 12:40:05 -0400 |
commit | 2ed0e21b30b53d3a94e204196e523e6c8f732b56 (patch) | |
tree | de2635426477d86338a9469ce09ba0626052288f /net/ipv4/syncookies.c | |
parent | 0fa213310cd8fa7a51071cdcf130e26fa56e9549 (diff) | |
parent | 9cbc1cb8cd46ce1f7645b9de249b2ce8460129bb (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1244 commits)
pkt_sched: Rename PSCHED_US2NS and PSCHED_NS2US
ipv4: Fix fib_trie rebalancing
Bluetooth: Fix issue with uninitialized nsh.type in DTL-1 driver
Bluetooth: Fix Kconfig issue with RFKILL integration
PIM-SM: namespace changes
ipv4: update ARPD help text
net: use a deferred timer in rt_check_expire
ieee802154: fix kconfig bool/tristate muckup
bonding: initialization rework
bonding: use is_zero_ether_addr
bonding: network device names are case sensative
bonding: elminate bad refcount code
bonding: fix style issues
bonding: fix destructor
bonding: remove bonding read/write semaphore
bonding: initialize before registration
bonding: bond_create always called with default parameters
x_tables: Convert printk to pr_err
netfilter: conntrack: optional reliable conntrack event delivery
list_nulls: add hlist_nulls_add_head and hlist_nulls_del
...
Diffstat (limited to 'net/ipv4/syncookies.c')
-rw-r--r-- | net/ipv4/syncookies.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c index b35a950d2e06..cd2b97f1b6e1 100644 --- a/net/ipv4/syncookies.c +++ b/net/ipv4/syncookies.c | |||
@@ -161,13 +161,12 @@ static __u16 const msstab[] = { | |||
161 | */ | 161 | */ |
162 | __u32 cookie_v4_init_sequence(struct sock *sk, struct sk_buff *skb, __u16 *mssp) | 162 | __u32 cookie_v4_init_sequence(struct sock *sk, struct sk_buff *skb, __u16 *mssp) |
163 | { | 163 | { |
164 | struct tcp_sock *tp = tcp_sk(sk); | ||
165 | const struct iphdr *iph = ip_hdr(skb); | 164 | const struct iphdr *iph = ip_hdr(skb); |
166 | const struct tcphdr *th = tcp_hdr(skb); | 165 | const struct tcphdr *th = tcp_hdr(skb); |
167 | int mssind; | 166 | int mssind; |
168 | const __u16 mss = *mssp; | 167 | const __u16 mss = *mssp; |
169 | 168 | ||
170 | tp->last_synq_overflow = jiffies; | 169 | tcp_synq_overflow(sk); |
171 | 170 | ||
172 | /* XXX sort msstab[] by probability? Binary search? */ | 171 | /* XXX sort msstab[] by probability? Binary search? */ |
173 | for (mssind = 0; mss > msstab[mssind + 1]; mssind++) | 172 | for (mssind = 0; mss > msstab[mssind + 1]; mssind++) |
@@ -268,7 +267,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb, | |||
268 | if (!sysctl_tcp_syncookies || !th->ack) | 267 | if (!sysctl_tcp_syncookies || !th->ack) |
269 | goto out; | 268 | goto out; |
270 | 269 | ||
271 | if (time_after(jiffies, tp->last_synq_overflow + TCP_TIMEOUT_INIT) || | 270 | if (tcp_synq_no_recent_overflow(sk) || |
272 | (mss = cookie_check(skb, cookie)) == 0) { | 271 | (mss = cookie_check(skb, cookie)) == 0) { |
273 | NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_SYNCOOKIESFAILED); | 272 | NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_SYNCOOKIESFAILED); |
274 | goto out; | 273 | goto out; |