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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 07:55:01 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 07:55:01 -0800
commitd7fc02c7bae7b1cf69269992cf880a43a350cdaa (patch)
treea43d56fa72913a1cc98a0bbebe054d08581b3a7c /include/net/dst.h
parentee1262dbc65ce0b6234a915d8432171e8d77f518 (diff)
parent28b4d5cc17c20786848cdc07b7ea237a309776bb (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: (1815 commits) mac80211: fix reorder buffer release iwmc3200wifi: Enable wimax core through module parameter iwmc3200wifi: Add wifi-wimax coexistence mode as a module parameter iwmc3200wifi: Coex table command does not expect a response iwmc3200wifi: Update wiwi priority table iwlwifi: driver version track kernel version iwlwifi: indicate uCode type when fail dump error/event log iwl3945: remove duplicated event logging code b43: fix two warnings ipw2100: fix rebooting hang with driver loaded cfg80211: indent regulatory messages with spaces iwmc3200wifi: fix NULL pointer dereference in pmkid update mac80211: Fix TX status reporting for injected data frames ath9k: enable 2GHz band only if the device supports it airo: Fix integer overflow warning rt2x00: Fix padding bug on L2PAD devices. WE: Fix set events not propagated b43legacy: avoid PPC fault during resume b43: avoid PPC fault during resume tcp: fix a timewait refcnt race ... Fix up conflicts due to sysctl cleanups (dead sysctl_check code and CTL_UNNUMBERED removed) in kernel/sysctl_check.c net/ipv4/sysctl_net_ipv4.c net/ipv6/addrconf.c net/sctp/sysctl.c
Diffstat (limited to 'include/net/dst.h')
-rw-r--r--include/net/dst.h23
1 files changed, 18 insertions, 5 deletions
diff --git a/include/net/dst.h b/include/net/dst.h
index 5a900ddcf10..387cb3cfde7 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -36,8 +36,7 @@
struct sk_buff;
-struct dst_entry
-{
+struct dst_entry {
struct rcu_head rcu_head;
struct dst_entry *child;
struct net_device *dev;
@@ -111,6 +110,12 @@ dst_metric(const struct dst_entry *dst, int metric)
return dst->metrics[metric-1];
}
+static inline u32
+dst_feature(const struct dst_entry *dst, u32 feature)
+{
+ return (dst ? dst_metric(dst, RTAX_FEATURES) & feature : 0);
+}
+
static inline u32 dst_mtu(const struct dst_entry *dst)
{
u32 mtu = dst_metric(dst, RTAX_MTU);
@@ -136,7 +141,7 @@ static inline void set_dst_metric_rtt(struct dst_entry *dst, int metric,
static inline u32
dst_allfrag(const struct dst_entry *dst)
{
- int ret = dst_metric(dst, RTAX_FEATURES) & RTAX_FEATURE_ALLFRAG;
+ int ret = dst_feature(dst, RTAX_FEATURE_ALLFRAG);
/* Yes, _exactly_. This is paranoia. */
barrier();
return ret;
@@ -222,11 +227,19 @@ static inline void dst_confirm(struct dst_entry *dst)
neigh_confirm(dst->neighbour);
}
-static inline void dst_negative_advice(struct dst_entry **dst_p)
+static inline void dst_negative_advice(struct dst_entry **dst_p,
+ struct sock *sk)
{
struct dst_entry * dst = *dst_p;
- if (dst && dst->ops->negative_advice)
+ if (dst && dst->ops->negative_advice) {
*dst_p = dst->ops->negative_advice(dst);
+
+ if (dst != *dst_p) {
+ extern void sk_reset_txq(struct sock *sk);
+
+ sk_reset_txq(sk);
+ }
+ }
}
static inline void dst_link_failure(struct sk_buff *skb)