DL-Mirrors/kernel-tenderloin-3.0
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msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142

Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
This commit is contained in:
Bryan Huntsman
2011-08-16 17:27:22 -07:00
parent f06154cc47
commit 3f2bc4d6eb
1851 changed files with 780136 additions and 12902 deletions
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43
net/ipv4/tcp_ipv4.c
View File

@@ -1955,6 +1955,49 @@ void tcp_v4_destroy_sock(struct sock *sk)
}
EXPORT_SYMBOL(tcp_v4_destroy_sock);
/*
* tcp_v4_nuke_addr - destroy all sockets on the given local address
*/
void tcp_v4_nuke_addr(__u32 saddr)
{
unsigned int bucket;
for (bucket = 0; bucket < tcp_hashinfo.ehash_mask; bucket++) {
struct hlist_nulls_node *node;
struct sock *sk;
spinlock_t *lock = inet_ehash_lockp(&tcp_hashinfo, bucket);
restart:
spin_lock_bh(lock);
sk_nulls_for_each(sk, node, &tcp_hashinfo.ehash[bucket].chain) {
struct inet_sock *inet = inet_sk(sk);
if (inet->inet_rcv_saddr != saddr)
continue;
if (sysctl_ip_dynaddr && sk->sk_state == TCP_SYN_SENT)
continue;
if (sock_flag(sk, SOCK_DEAD))
continue;
sock_hold(sk);
spin_unlock_bh(lock);
local_bh_disable();
bh_lock_sock(sk);
sk->sk_err = ETIMEDOUT;
sk->sk_error_report(sk);
tcp_done(sk);
bh_unlock_sock(sk);
local_bh_enable();
sock_put(sk);
goto restart;
}
spin_unlock_bh(lock);
}
}
#ifdef CONFIG_PROC_FS
/* Proc filesystem TCP sock list dumping. */