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-rw-r--r--include/net/ip.h1
-rw-r--r--include/net/ipv6.h8
-rw-r--r--include/net/mac80211.h4
-rw-r--r--include/net/netfilter/ipv6/nf_conntrack_ipv6.h2
-rw-r--r--include/net/netns/conntrack.h3
-rw-r--r--include/net/netns/ipv4.h1
-rw-r--r--include/net/netrom.h2
-rw-r--r--include/net/sctp/structs.h1
-rw-r--r--include/net/tcp.h46
9 files changed, 59 insertions, 9 deletions
diff --git a/include/net/ip.h b/include/net/ip.h
index 2f47e5482b55..69db943058ac 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -342,6 +342,7 @@ enum ip_defrag_users
IP_DEFRAG_CALL_RA_CHAIN,
IP_DEFRAG_CONNTRACK_IN,
IP_DEFRAG_CONNTRACK_OUT,
+ IP_DEFRAG_CONNTRACK_BRIDGE_IN,
IP_DEFRAG_VS_IN,
IP_DEFRAG_VS_OUT,
IP_DEFRAG_VS_FWD
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 8c31d8a0c1fe..639bbf06d378 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -354,8 +354,16 @@ static inline int ipv6_prefix_equal(const struct in6_addr *a1,
struct inet_frag_queue;
+enum ip6_defrag_users {
+ IP6_DEFRAG_LOCAL_DELIVER,
+ IP6_DEFRAG_CONNTRACK_IN,
+ IP6_DEFRAG_CONNTRACK_OUT,
+ IP6_DEFRAG_CONNTRACK_BRIDGE_IN,
+};
+
struct ip6_create_arg {
__be32 id;
+ u32 user;
struct in6_addr *src;
struct in6_addr *dst;
};
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 998c30fc8981..c39ed0792948 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -908,6 +908,9 @@ enum ieee80211_tkip_key_type {
* @IEEE80211_HW_BEACON_FILTER:
* Hardware supports dropping of irrelevant beacon frames to
* avoid waking up cpu.
+ * @IEEE80211_HW_REPORTS_TX_ACK_STATUS:
+ * Hardware can provide ack status reports of Tx frames to
+ * the stack.
*/
enum ieee80211_hw_flags {
IEEE80211_HW_RX_INCLUDES_FCS = 1<<1,
@@ -924,6 +927,7 @@ enum ieee80211_hw_flags {
IEEE80211_HW_SUPPORTS_DYNAMIC_PS = 1<<12,
IEEE80211_HW_MFP_CAPABLE = 1<<13,
IEEE80211_HW_BEACON_FILTER = 1<<14,
+ IEEE80211_HW_REPORTS_TX_ACK_STATUS = 1<<15,
};
/**
diff --git a/include/net/netfilter/ipv6/nf_conntrack_ipv6.h b/include/net/netfilter/ipv6/nf_conntrack_ipv6.h
index abc55ad75c2b..1ee717eb5b09 100644
--- a/include/net/netfilter/ipv6/nf_conntrack_ipv6.h
+++ b/include/net/netfilter/ipv6/nf_conntrack_ipv6.h
@@ -9,7 +9,7 @@ extern struct nf_conntrack_l4proto nf_conntrack_l4proto_icmpv6;
extern int nf_ct_frag6_init(void);
extern void nf_ct_frag6_cleanup(void);
-extern struct sk_buff *nf_ct_frag6_gather(struct sk_buff *skb);
+extern struct sk_buff *nf_ct_frag6_gather(struct sk_buff *skb, u32 user);
extern void nf_ct_frag6_output(unsigned int hooknum, struct sk_buff *skb,
struct net_device *in,
struct net_device *out,
diff --git a/include/net/netns/conntrack.h b/include/net/netns/conntrack.h
index ba1ba0c5efd1..63d449807d9b 100644
--- a/include/net/netns/conntrack.h
+++ b/include/net/netns/conntrack.h
@@ -11,6 +11,8 @@ struct nf_conntrack_ecache;
struct netns_ct {
atomic_t count;
unsigned int expect_count;
+ unsigned int htable_size;
+ struct kmem_cache *nf_conntrack_cachep;
struct hlist_nulls_head *hash;
struct hlist_head *expect_hash;
struct hlist_nulls_head unconfirmed;
@@ -28,5 +30,6 @@ struct netns_ct {
#endif
int hash_vmalloc;
int expect_vmalloc;
+ char *slabname;
};
#endif
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 2eb3814d6258..9a4b8b714079 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -40,6 +40,7 @@ struct netns_ipv4 {
struct xt_table *iptable_security;
struct xt_table *nat_table;
struct hlist_head *nat_bysource;
+ unsigned int nat_htable_size;
int nat_vmalloced;
#endif
diff --git a/include/net/netrom.h b/include/net/netrom.h
index 15696b1fd30f..ab170a60e7d3 100644
--- a/include/net/netrom.h
+++ b/include/net/netrom.h
@@ -132,6 +132,8 @@ static __inline__ void nr_node_put(struct nr_node *nr_node)
static __inline__ void nr_neigh_put(struct nr_neigh *nr_neigh)
{
if (atomic_dec_and_test(&nr_neigh->refcount)) {
+ if (nr_neigh->ax25)
+ ax25_cb_put(nr_neigh->ax25);
kfree(nr_neigh->digipeat);
kfree(nr_neigh);
}
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 0a474568b003..89e54e932368 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -772,6 +772,7 @@ int sctp_user_addto_chunk(struct sctp_chunk *chunk, int off, int len,
struct iovec *data);
void sctp_chunk_free(struct sctp_chunk *);
void *sctp_addto_chunk(struct sctp_chunk *, int len, const void *data);
+void *sctp_addto_chunk_fixed(struct sctp_chunk *, int len, const void *data);
struct sctp_chunk *sctp_chunkify(struct sk_buff *,
const struct sctp_association *,
struct sock *);
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 03a49c703377..6cfe18bc2c0f 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -259,11 +259,21 @@ static inline int between(__u32 seq1, __u32 seq2, __u32 seq3)
return seq3 - seq2 >= seq1 - seq2;
}
-static inline int tcp_too_many_orphans(struct sock *sk, int num)
+static inline bool tcp_too_many_orphans(struct sock *sk, int shift)
{
- return (num > sysctl_tcp_max_orphans) ||
- (sk->sk_wmem_queued > SOCK_MIN_SNDBUF &&
- atomic_read(&tcp_memory_allocated) > sysctl_tcp_mem[2]);
+ struct percpu_counter *ocp = sk->sk_prot->orphan_count;
+ int orphans = percpu_counter_read_positive(ocp);
+
+ if (orphans << shift > sysctl_tcp_max_orphans) {
+ orphans = percpu_counter_sum_positive(ocp);
+ if (orphans << shift > sysctl_tcp_max_orphans)
+ return true;
+ }
+
+ if (sk->sk_wmem_queued > SOCK_MIN_SNDBUF &&
+ atomic_read(&tcp_memory_allocated) > sysctl_tcp_mem[2])
+ return true;
+ return false;
}
/* syncookies: remember time of last synqueue overflow */
@@ -501,8 +511,22 @@ extern unsigned int tcp_current_mss(struct sock *sk);
/* Bound MSS / TSO packet size with the half of the window */
static inline int tcp_bound_to_half_wnd(struct tcp_sock *tp, int pktsize)
{
- if (tp->max_window && pktsize > (tp->max_window >> 1))
- return max(tp->max_window >> 1, 68U - tp->tcp_header_len);
+ int cutoff;
+
+ /* When peer uses tiny windows, there is no use in packetizing
+ * to sub-MSS pieces for the sake of SWS or making sure there
+ * are enough packets in the pipe for fast recovery.
+ *
+ * On the other hand, for extremely large MSS devices, handling
+ * smaller than MSS windows in this way does make sense.
+ */
+ if (tp->max_window >= 512)
+ cutoff = (tp->max_window >> 1);
+ else
+ cutoff = tp->max_window;
+
+ if (cutoff && pktsize > cutoff)
+ return max_t(int, cutoff, 68U - tp->tcp_header_len);
else
return pktsize;
}
@@ -1263,14 +1287,20 @@ static inline struct sk_buff *tcp_write_queue_prev(struct sock *sk, struct sk_bu
* TCP connection after "boundary" unsucessful, exponentially backed-off
* retransmissions with an initial RTO of TCP_RTO_MIN.
*/
-static inline bool retransmits_timed_out(const struct sock *sk,
+static inline bool retransmits_timed_out(struct sock *sk,
unsigned int boundary)
{
unsigned int timeout, linear_backoff_thresh;
+ unsigned int start_ts;
if (!inet_csk(sk)->icsk_retransmits)
return false;
+ if (unlikely(!tcp_sk(sk)->retrans_stamp))
+ start_ts = TCP_SKB_CB(tcp_write_queue_head(sk))->when;
+ else
+ start_ts = tcp_sk(sk)->retrans_stamp;
+
linear_backoff_thresh = ilog2(TCP_RTO_MAX/TCP_RTO_MIN);
if (boundary <= linear_backoff_thresh)
@@ -1279,7 +1309,7 @@ static inline bool retransmits_timed_out(const struct sock *sk,
timeout = ((2 << linear_backoff_thresh) - 1) * TCP_RTO_MIN +
(boundary - linear_backoff_thresh) * TCP_RTO_MAX;
- return (tcp_time_stamp - tcp_sk(sk)->retrans_stamp) >= timeout;
+ return (tcp_time_stamp - start_ts) >= timeout;
}
static inline struct sk_buff *tcp_send_head(struct sock *sk)