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net: wrap sk->sk_backlog_rcv()

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Wrap calling sk->sk_backlog_rcv() in a function. This will allow extending the
generic sk_backlog_rcv behaviour.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Peter Zijlstra 2008-10-07 14:18:42 -07:00 committed by David S. Miller
parent b339a47c37
commit c57943a1c9
5 changed files with 10 additions and 5 deletions
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5
include/net/sock.h
View File

@ -482,6 +482,11 @@ static inline void sk_add_backlog(struct sock *sk, struct sk_buff *skb)
skb->next = NULL;
}
static inline int sk_backlog_rcv(struct sock *sk, struct sk_buff *skb)
{
return sk->sk_backlog_rcv(sk, skb);
}
#define sk_wait_event(__sk, __timeo, __condition) \
({ int __rc; \
release_sock(__sk); \

2
include/net/tcp.h
View File

@ -896,7 +896,7 @@ static inline int tcp_prequeue(struct sock *sk, struct sk_buff *skb)
BUG_ON(sock_owned_by_user(sk));
while ((skb1 = __skb_dequeue(&tp->ucopy.prequeue)) != NULL) {
sk->sk_backlog_rcv(sk, skb1);
sk_backlog_rcv(sk, skb1);
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPPREQUEUEDROPPED);
}

4
net/core/sock.c
View File

@ -327,7 +327,7 @@ int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested)
*/
mutex_acquire(&sk->sk_lock.dep_map, 0, 1, _RET_IP_);
rc = sk->sk_backlog_rcv(sk, skb);
rc = sk_backlog_rcv(sk, skb);
mutex_release(&sk->sk_lock.dep_map, 1, _RET_IP_);
} else
@ -1374,7 +1374,7 @@ static void __release_sock(struct sock *sk)
struct sk_buff *next = skb->next;
skb->next = NULL;
sk->sk_backlog_rcv(sk, skb);
sk_backlog_rcv(sk, skb);
/*
* We are in process context here with softirqs

2
net/ipv4/tcp.c
View File

@ -1161,7 +1161,7 @@ static void tcp_prequeue_process(struct sock *sk)
* necessary */
local_bh_disable();
while ((skb = __skb_dequeue(&tp->ucopy.prequeue)) != NULL)
sk->sk_backlog_rcv(sk, skb);
sk_backlog_rcv(sk, skb);
local_bh_enable();
/* Clear memory counter. */

2
net/ipv4/tcp_timer.c
View File

@ -201,7 +201,7 @@ static void tcp_delack_timer(unsigned long data)
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPSCHEDULERFAILED);
while ((skb = __skb_dequeue(&tp->ucopy.prequeue)) != NULL)
sk->sk_backlog_rcv(sk, skb);
sk_backlog_rcv(sk, skb);
tp->ucopy.memory = 0;
}