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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-18 17:07:15 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-18 17:07:15 -0400
commitd2aa4550379f92e929af7ed1dd4f55e6a1e331f8 (patch)
tree5ef0fc69a507f0d701fd157b6652427eabd5efdd /include/net/sock.h
parent9e3e4b1d2d13bead8d52703c82a02b55f108b491 (diff)
parentcb2107be43d2fc5eadec58b92b54bf32c00bfff3 (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: (55 commits) netxen: fix tx ring accounting netxen: fix detection of cut-thru firmware mode forcedeth: fix dma api mismatches atm: sk_wmem_alloc initial value is one net: correct off-by-one write allocations reports via-velocity : fix no link detection on boot Net / e100: Fix suspend of devices that cannot be power managed TI DaVinci EMAC : Fix rmmod error net: group address list and its count ipv4: Fix fib_trie rebalancing, part 2 pkt_sched: Update drops stats in act_police sky2: version 1.23 sky2: add GRO support sky2: skb recycling sky2: reduce default transmit ring sky2: receive counter update sky2: fix shutdown synchronization sky2: PCI irq issues sky2: more receive shutdown sky2: turn off pause during shutdown ... Manually fix trivial conflict in net/core/skbuff.c due to kmemcheck
Diffstat (limited to 'include/net/sock.h')
-rw-r--r--include/net/sock.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index 95bd3fd75f94..07133c5e9868 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1208,6 +1208,39 @@ static inline int skb_copy_to_page(struct sock *sk, char __user *from,
1208 return 0; 1208 return 0;
1209} 1209}
1210 1210
1211/**
1212 * sk_wmem_alloc_get - returns write allocations
1213 * @sk: socket
1214 *
1215 * Returns sk_wmem_alloc minus initial offset of one
1216 */
1217static inline int sk_wmem_alloc_get(const struct sock *sk)
1218{
1219 return atomic_read(&sk->sk_wmem_alloc) - 1;
1220}
1221
1222/**
1223 * sk_rmem_alloc_get - returns read allocations
1224 * @sk: socket
1225 *
1226 * Returns sk_rmem_alloc
1227 */
1228static inline int sk_rmem_alloc_get(const struct sock *sk)
1229{
1230 return atomic_read(&sk->sk_rmem_alloc);
1231}
1232
1233/**
1234 * sk_has_allocations - check if allocations are outstanding
1235 * @sk: socket
1236 *
1237 * Returns true if socket has write or read allocations
1238 */
1239static inline int sk_has_allocations(const struct sock *sk)
1240{
1241 return sk_wmem_alloc_get(sk) || sk_rmem_alloc_get(sk);
1242}
1243
1211/* 1244/*
1212 * Queue a received datagram if it will fit. Stream and sequenced 1245 * Queue a received datagram if it will fit. Stream and sequenced
1213 * protocols can't normally use this as they need to fit buffers in 1246 * protocols can't normally use this as they need to fit buffers in