[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/include/net/arp.h b/ap/os/linux/linux-3.4.x/include/net/arp.h
new file mode 100644
index 0000000..4a1f3fb
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/include/net/arp.h
@@ -0,0 +1,59 @@
+/* linux/net/inet/arp.h */
+#ifndef _ARP_H
+#define _ARP_H
+
+#include <linux/if_arp.h>
+#include <net/neighbour.h>
+
+
+extern struct neigh_table arp_tbl;
+
+static inline u32 arp_hashfn(u32 key, const struct net_device *dev, u32 hash_rnd)
+{
+ u32 val = key ^ dev->ifindex;
+
+ return val * hash_rnd;
+}
+
+static inline struct neighbour *__ipv4_neigh_lookup(struct net_device *dev, u32 key)
+{
+ struct neigh_hash_table *nht;
+ struct neighbour *n;
+ u32 hash_val;
+
+ rcu_read_lock_bh();
+ nht = rcu_dereference_bh(arp_tbl.nht);
+ hash_val = arp_hashfn(key, dev, nht->hash_rnd[0]) >> (32 - nht->hash_shift);
+ for (n = rcu_dereference_bh(nht->hash_buckets[hash_val]);
+ n != NULL;
+ n = rcu_dereference_bh(n->next)) {
+ if (n->dev == dev && *(u32 *)n->primary_key == key) {
+ if (!atomic_inc_not_zero(&n->refcnt))
+ n = NULL;
+ break;
+ }
+ }
+ rcu_read_unlock_bh();
+
+ return n;
+}
+
+extern void arp_init(void);
+extern int arp_find(unsigned char *haddr, struct sk_buff *skb);
+extern int arp_ioctl(struct net *net, unsigned int cmd, void __user *arg);
+extern void arp_send(int type, int ptype, __be32 dest_ip,
+ struct net_device *dev, __be32 src_ip,
+ const unsigned char *dest_hw,
+ const unsigned char *src_hw, const unsigned char *th);
+extern int arp_mc_map(__be32 addr, u8 *haddr, struct net_device *dev, int dir);
+extern void arp_ifdown(struct net_device *dev);
+
+extern struct sk_buff *arp_create(int type, int ptype, __be32 dest_ip,
+ struct net_device *dev, __be32 src_ip,
+ const unsigned char *dest_hw,
+ const unsigned char *src_hw,
+ const unsigned char *target_hw);
+extern void arp_xmit(struct sk_buff *skb);
+int arp_invalidate(struct net_device *dev, __be32 ip);
+
+#endif /* _ARP_H */