summaryrefslogtreecommitdiffstats
path: root/include/net/neighbour.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/net/neighbour.h')
-rw-r--r--include/net/neighbour.h48
1 files changed, 24 insertions, 24 deletions
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 2720884287c..344d8988842 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -59,7 +59,7 @@ struct neigh_parms {
int reachable_time;
int delay_probe_time;
- int queue_len;
+ int queue_len_bytes;
int ucast_probes;
int app_probes;
int mcast_probes;
@@ -99,6 +99,7 @@ struct neighbour {
rwlock_t lock;
atomic_t refcnt;
struct sk_buff_head arp_queue;
+ unsigned int arp_queue_len_bytes;
struct timer_list timer;
unsigned long used;
atomic_t probes;
@@ -138,10 +139,12 @@ struct pneigh_entry {
* neighbour table manipulation
*/
+#define NEIGH_NUM_HASH_RND 4
+
struct neigh_hash_table {
struct neighbour __rcu **hash_buckets;
unsigned int hash_shift;
- __u32 hash_rnd;
+ __u32 hash_rnd[NEIGH_NUM_HASH_RND];
struct rcu_head rcu;
};
@@ -153,7 +156,7 @@ struct neigh_table {
int key_len;
__u32 (*hash)(const void *pkey,
const struct net_device *dev,
- __u32 hash_rnd);
+ __u32 *hash_rnd);
int (*constructor)(struct neighbour *);
int (*pconstructor)(struct pneigh_entry *);
void (*pdestructor)(struct pneigh_entry *);
@@ -172,12 +175,18 @@ struct neigh_table {
atomic_t entries;
rwlock_t lock;
unsigned long last_rand;
- struct kmem_cache *kmem_cachep;
struct neigh_statistics __percpu *stats;
struct neigh_hash_table __rcu *nht;
struct pneigh_entry **phash_buckets;
};
+#define NEIGH_PRIV_ALIGN sizeof(long long)
+
+static inline void *neighbour_priv(const struct neighbour *n)
+{
+ return (char *)n + ALIGN(sizeof(*n) + n->tbl->key_len, NEIGH_PRIV_ALIGN);
+}
+
/* flags for neigh_update() */
#define NEIGH_UPDATE_F_OVERRIDE 0x00000001
#define NEIGH_UPDATE_F_WEAK_OVERRIDE 0x00000002
@@ -186,7 +195,6 @@ struct neigh_table {
#define NEIGH_UPDATE_F_ADMIN 0x80000000
extern void neigh_table_init(struct neigh_table *tbl);
-extern void neigh_table_init_no_netlink(struct neigh_table *tbl);
extern int neigh_table_clear(struct neigh_table *tbl);
extern struct neighbour * neigh_lookup(struct neigh_table *tbl,
const void *pkey,
@@ -194,9 +202,16 @@ extern struct neighbour * neigh_lookup(struct neigh_table *tbl,
extern struct neighbour * neigh_lookup_nodev(struct neigh_table *tbl,
struct net *net,
const void *pkey);
-extern struct neighbour * neigh_create(struct neigh_table *tbl,
+extern struct neighbour * __neigh_create(struct neigh_table *tbl,
+ const void *pkey,
+ struct net_device *dev,
+ bool want_ref);
+static inline struct neighbour *neigh_create(struct neigh_table *tbl,
const void *pkey,
- struct net_device *dev);
+ struct net_device *dev)
+{
+ return __neigh_create(tbl, pkey, dev, true);
+}
extern void neigh_destroy(struct neighbour *neigh);
extern int __neigh_event_send(struct neighbour *neigh, struct sk_buff *skb);
extern int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new,
@@ -294,12 +309,6 @@ static inline struct neighbour * neigh_clone(struct neighbour *neigh)
#define neigh_hold(n) atomic_inc(&(n)->refcnt)
-static inline void neigh_confirm(struct neighbour *neigh)
-{
- if (neigh)
- neigh->confirmed = jiffies;
-}
-
static inline int neigh_event_send(struct neighbour *neigh, struct sk_buff *skb)
{
unsigned long now = jiffies;
@@ -314,7 +323,7 @@ static inline int neigh_event_send(struct neighbour *neigh, struct sk_buff *skb)
#ifdef CONFIG_BRIDGE_NETFILTER
static inline int neigh_hh_bridge(struct hh_cache *hh, struct sk_buff *skb)
{
- unsigned seq, hh_alen;
+ unsigned int seq, hh_alen;
do {
seq = read_seqbegin(&hh->hh_lock);
@@ -327,7 +336,7 @@ static inline int neigh_hh_bridge(struct hh_cache *hh, struct sk_buff *skb)
static inline int neigh_hh_output(struct hh_cache *hh, struct sk_buff *skb)
{
- unsigned seq;
+ unsigned int seq;
int hh_len;
do {
@@ -343,15 +352,6 @@ static inline int neigh_hh_output(struct hh_cache *hh, struct sk_buff *skb)
return dev_queue_xmit(skb);
}
-static inline int neigh_output(struct neighbour *n, struct sk_buff *skb)
-{
- struct hh_cache *hh = &n->hh;
- if ((n->nud_state & NUD_CONNECTED) && hh->hh_len)
- return neigh_hh_output(hh, skb);
- else
- return n->output(n, skb);
-}
-
static inline struct neighbour *
__neigh_lookup(struct neigh_table *tbl, const void *pkey, struct net_device *dev, int creat)
{