Wrap calling sk->sk_backlog_rcv() in a function. This will allow extending the
generic sk_backlog_rcv behaviour.
Signed-off-by: Peter Zijlstra <[email protected]>
---
include/net/sock.h | 5 +++++
net/core/sock.c | 4 ++--
net/ipv4/tcp.c | 2 +-
net/ipv4/tcp_timer.c | 2 +-
4 files changed, 9 insertions(+), 4 deletions(-)
Index: linux-2.6/include/net/sock.h
===================================================================
--- linux-2.6.orig/include/net/sock.h
+++ linux-2.6/include/net/sock.h
@@ -485,6 +485,11 @@ static inline void sk_add_backlog(struct
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); \
Index: linux-2.6/net/core/sock.c
===================================================================
--- linux-2.6.orig/net/core/sock.c
+++ linux-2.6/net/core/sock.c
@@ -320,7 +320,7 @@ int sk_receive_skb(struct sock *sk, stru
*/
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
@@ -1312,7 +1312,7 @@ static void __release_sock(struct sock *
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
Index: linux-2.6/net/ipv4/tcp.c
===================================================================
--- linux-2.6.orig/net/ipv4/tcp.c
+++ linux-2.6/net/ipv4/tcp.c
@@ -1134,7 +1134,7 @@ static void tcp_prequeue_process(struct
* 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. */
Index: linux-2.6/net/ipv4/tcp_timer.c
===================================================================
--- linux-2.6.orig/net/ipv4/tcp_timer.c
+++ linux-2.6/net/ipv4/tcp_timer.c
@@ -196,7 +196,7 @@ static void tcp_delack_timer(unsigned lo
NET_INC_STATS_BH(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;
}
--
--
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