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-rw-r--r--include/net/ip6_route.h18
-rw-r--r--include/net/ip6_tunnel.h1
-rw-r--r--include/net/mac80211.h3
-rw-r--r--include/net/sock.h17
-rw-r--r--include/net/tcp.h2
-rw-r--r--include/net/xfrm.h3
6 files changed, 38 insertions, 6 deletions
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 4a808de7c0f..68f67836e14 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -37,6 +37,24 @@ struct route_info {
#define RT6_LOOKUP_F_SRCPREF_PUBLIC 0x00000010
#define RT6_LOOKUP_F_SRCPREF_COA 0x00000020
+/*
+ * rt6_srcprefs2flags() and rt6_flags2srcprefs() translate
+ * between IPV6_ADDR_PREFERENCES socket option values
+ * IPV6_PREFER_SRC_TMP = 0x1
+ * IPV6_PREFER_SRC_PUBLIC = 0x2
+ * IPV6_PREFER_SRC_COA = 0x4
+ * and above RT6_LOOKUP_F_SRCPREF_xxx flags.
+ */
+static inline int rt6_srcprefs2flags(unsigned int srcprefs)
+{
+ /* No need to bitmask because srcprefs have only 3 bits. */
+ return srcprefs << 3;
+}
+
+static inline unsigned int rt6_flags2srcprefs(int flags)
+{
+ return (flags >> 3) & 7;
+}
extern void ip6_route_input(struct sk_buff *skb);
diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
index 83b4e008b16..fbf9d1cda27 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -15,7 +15,6 @@
struct ip6_tnl {
struct ip6_tnl *next; /* next tunnel in list */
struct net_device *dev; /* virtual device associated with tunnel */
- int recursion; /* depth of hard_start_xmit recursion */
struct ip6_tnl_parm parms; /* tunnel configuration parameters */
struct flowi fl; /* flowi template for xmit */
struct dst_entry *dst_cache; /* cached dst */
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 80eb7cc42ce..45d7d44d7cb 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -2426,7 +2426,8 @@ struct rate_control_ops {
struct ieee80211_sta *sta, void *priv_sta);
void (*rate_update)(void *priv, struct ieee80211_supported_band *sband,
struct ieee80211_sta *sta,
- void *priv_sta, u32 changed);
+ void *priv_sta, u32 changed,
+ enum nl80211_channel_type oper_chan_type);
void (*free_sta)(void *priv, struct ieee80211_sta *sta,
void *priv_sta);
diff --git a/include/net/sock.h b/include/net/sock.h
index 6cb1676e409..092b0551e77 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -253,6 +253,8 @@ struct sock {
struct {
struct sk_buff *head;
struct sk_buff *tail;
+ int len;
+ int limit;
} sk_backlog;
wait_queue_head_t *sk_sleep;
struct dst_entry *sk_dst_cache;
@@ -589,8 +591,8 @@ static inline int sk_stream_memory_free(struct sock *sk)
return sk->sk_wmem_queued < sk->sk_sndbuf;
}
-/* The per-socket spinlock must be held here. */
-static inline void sk_add_backlog(struct sock *sk, struct sk_buff *skb)
+/* OOB backlog add */
+static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb)
{
if (!sk->sk_backlog.tail) {
sk->sk_backlog.head = sk->sk_backlog.tail = skb;
@@ -601,6 +603,17 @@ static inline void sk_add_backlog(struct sock *sk, struct sk_buff *skb)
skb->next = NULL;
}
+/* The per-socket spinlock must be held here. */
+static inline __must_check int sk_add_backlog(struct sock *sk, struct sk_buff *skb)
+{
+ if (sk->sk_backlog.len >= max(sk->sk_backlog.limit, sk->sk_rcvbuf << 1))
+ return -ENOBUFS;
+
+ __sk_add_backlog(sk, skb);
+ sk->sk_backlog.len += skb->truesize;
+ return 0;
+}
+
static inline int sk_backlog_rcv(struct sock *sk, struct sk_buff *skb)
{
return sk->sk_backlog_rcv(sk, skb);
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 56f0aec40ed..75be5a28815 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -939,7 +939,7 @@ static inline int tcp_prequeue(struct sock *sk, struct sk_buff *skb)
tp->ucopy.memory = 0;
} else if (skb_queue_len(&tp->ucopy.prequeue) == 1) {
- wake_up_interruptible_poll(sk->sk_sleep,
+ wake_up_interruptible_sync_poll(sk->sk_sleep,
POLLIN | POLLRDNORM | POLLRDBAND);
if (!inet_csk_ack_scheduled(sk))
inet_csk_reset_xmit_timer(sk, ICSK_TIME_DACK,
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index a7df3275b86..d74e080ba6c 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -275,7 +275,8 @@ struct xfrm_policy_afinfo {
struct dst_entry *dst,
int nfheader_len);
int (*fill_dst)(struct xfrm_dst *xdst,
- struct net_device *dev);
+ struct net_device *dev,
+ struct flowi *fl);
};
extern int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo);