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-rw-r--r--include/net/ip.h11
-rw-r--r--include/net/ip6_route.h3
-rw-r--r--include/net/ip_fib.h1
-rw-r--r--include/net/mac80211.h4
-rw-r--r--include/net/route.h6
-rw-r--r--include/net/sch_generic.h19
-rw-r--r--include/net/sock.h1
7 files changed, 42 insertions, 3 deletions
diff --git a/include/net/ip.h b/include/net/ip.h
index 746abff9ce51..f49b3a576bec 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -328,6 +328,13 @@ int ip_decrease_ttl(struct iphdr *iph)
return --iph->ttl;
}
+static inline int ip_mtu_locked(const struct dst_entry *dst)
+{
+ const struct rtable *rt = (const struct rtable *)dst;
+
+ return rt->rt_mtu_locked || dst_metric_locked(dst, RTAX_MTU);
+}
+
static inline
int ip_dont_fragment(const struct sock *sk, const struct dst_entry *dst)
{
@@ -335,7 +342,7 @@ int ip_dont_fragment(const struct sock *sk, const struct dst_entry *dst)
return pmtudisc == IP_PMTUDISC_DO ||
(pmtudisc == IP_PMTUDISC_WANT &&
- !(dst_metric_locked(dst, RTAX_MTU)));
+ !ip_mtu_locked(dst));
}
static inline bool ip_sk_accept_pmtu(const struct sock *sk)
@@ -361,7 +368,7 @@ static inline unsigned int ip_dst_mtu_maybe_forward(const struct dst_entry *dst,
struct net *net = dev_net(dst->dev);
if (net->ipv4.sysctl_ip_fwd_use_pmtu ||
- dst_metric_locked(dst, RTAX_MTU) ||
+ ip_mtu_locked(dst) ||
!forwarding)
return dst_mtu(dst);
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 27d23a65f3cd..ac0866bb9e93 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -179,6 +179,9 @@ void rt6_disable_ip(struct net_device *dev, unsigned long event);
void rt6_sync_down_dev(struct net_device *dev, unsigned long event);
void rt6_multipath_rebalance(struct rt6_info *rt);
+void rt6_uncached_list_add(struct rt6_info *rt);
+void rt6_uncached_list_del(struct rt6_info *rt);
+
static inline const struct rt6_info *skb_rt6_info(const struct sk_buff *skb)
{
const struct dst_entry *dst = skb_dst(skb);
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index f80524396c06..77d0a78cf7d2 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -59,6 +59,7 @@ struct fib_nh_exception {
int fnhe_genid;
__be32 fnhe_daddr;
u32 fnhe_pmtu;
+ bool fnhe_mtu_locked;
__be32 fnhe_gw;
unsigned long fnhe_expires;
struct rtable __rcu *fnhe_rth_input;
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index c96511fa9198..2b581bd93812 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -2063,6 +2063,9 @@ struct ieee80211_txq {
* @IEEE80211_HW_SUPPORTS_TDLS_BUFFER_STA: Hardware supports buffer STA on
* TDLS links.
*
+ * @IEEE80211_HW_DOESNT_SUPPORT_QOS_NDP: The driver (or firmware) doesn't
+ * support QoS NDP for AP probing - that's most likely a driver bug.
+ *
* @NUM_IEEE80211_HW_FLAGS: number of hardware flags, used for sizing arrays
*/
enum ieee80211_hw_flags {
@@ -2106,6 +2109,7 @@ enum ieee80211_hw_flags {
IEEE80211_HW_REPORTS_LOW_ACK,
IEEE80211_HW_SUPPORTS_TX_FRAG,
IEEE80211_HW_SUPPORTS_TDLS_BUFFER_STA,
+ IEEE80211_HW_DOESNT_SUPPORT_QOS_NDP,
/* keep last, obviously */
NUM_IEEE80211_HW_FLAGS
diff --git a/include/net/route.h b/include/net/route.h
index 1eb9ce470e25..20a92ca9e115 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -63,7 +63,8 @@ struct rtable {
__be32 rt_gateway;
/* Miscellaneous cached information */
- u32 rt_pmtu;
+ u32 rt_mtu_locked:1,
+ rt_pmtu:31;
u32 rt_table_id;
@@ -227,6 +228,9 @@ struct in_ifaddr;
void fib_add_ifaddr(struct in_ifaddr *);
void fib_del_ifaddr(struct in_ifaddr *, struct in_ifaddr *);
+void rt_add_uncached_list(struct rtable *rt);
+void rt_del_uncached_list(struct rtable *rt);
+
static inline void ip_rt_put(struct rtable *rt)
{
/* dst_release() accepts a NULL parameter.
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index e2ab13687fb9..2092d33194dd 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -824,6 +824,16 @@ static inline void __qdisc_drop(struct sk_buff *skb, struct sk_buff **to_free)
*to_free = skb;
}
+static inline void __qdisc_drop_all(struct sk_buff *skb,
+ struct sk_buff **to_free)
+{
+ if (skb->prev)
+ skb->prev->next = *to_free;
+ else
+ skb->next = *to_free;
+ *to_free = skb;
+}
+
static inline unsigned int __qdisc_queue_drop_head(struct Qdisc *sch,
struct qdisc_skb_head *qh,
struct sk_buff **to_free)
@@ -956,6 +966,15 @@ static inline int qdisc_drop(struct sk_buff *skb, struct Qdisc *sch,
return NET_XMIT_DROP;
}
+static inline int qdisc_drop_all(struct sk_buff *skb, struct Qdisc *sch,
+ struct sk_buff **to_free)
+{
+ __qdisc_drop_all(skb, to_free);
+ qdisc_qstats_drop(sch);
+
+ return NET_XMIT_DROP;
+}
+
/* Length to Time (L2T) lookup in a qdisc_rate_table, to determine how
long it will take to send a packet given its size.
*/
diff --git a/include/net/sock.h b/include/net/sock.h
index 169c92afcafa..ae23f3b389ca 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1137,6 +1137,7 @@ struct proto {
int proto_register(struct proto *prot, int alloc_slab);
void proto_unregister(struct proto *prot);
+int sock_load_diag_module(int family, int protocol);
#ifdef SOCK_REFCNT_DEBUG
static inline void sk_refcnt_debug_inc(struct sock *sk)