Contributors: 11
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| David S. Miller |
110 |
28.57% |
3 |
11.54% |
| Linus Torvalds (pre-git) |
100 |
25.97% |
11 |
42.31% |
| Julian Anastasov |
62 |
16.10% |
1 |
3.85% |
| Shmulik Hen |
45 |
11.69% |
1 |
3.85% |
| Eric W. Biedermann |
27 |
7.01% |
1 |
3.85% |
| Jim Westfall |
16 |
4.16% |
1 |
3.85% |
| Pavel Emelyanov |
11 |
2.86% |
2 |
7.69% |
| Jan Engelhardt |
6 |
1.56% |
1 |
3.85% |
| Al Viro |
6 |
1.56% |
3 |
11.54% |
| Elena Reshetova |
1 |
0.26% |
1 |
3.85% |
| Greg Kroah-Hartman |
1 |
0.26% |
1 |
3.85% |
| Total |
385 |
|
26 |
|
/* SPDX-License-Identifier: GPL-2.0 */
/* linux/net/inet/arp.h */
#ifndef _ARP_H
#define _ARP_H
#include <linux/if_arp.h>
#include <linux/hash.h>
#include <net/neighbour.h>
extern struct neigh_table arp_tbl;
static inline u32 arp_hashfn(const void *pkey, const struct net_device *dev, u32 *hash_rnd)
{
u32 key = *(const u32 *)pkey;
u32 val = key ^ hash32_ptr(dev);
return val * hash_rnd[0];
}
static inline struct neighbour *__ipv4_neigh_lookup_noref(struct net_device *dev, u32 key)
{
if (dev->flags & (IFF_LOOPBACK | IFF_POINTOPOINT))
key = INADDR_ANY;
return ___neigh_lookup_noref(&arp_tbl, neigh_key_eq32, arp_hashfn, &key, dev);
}
static inline struct neighbour *__ipv4_neigh_lookup(struct net_device *dev, u32 key)
{
struct neighbour *n;
rcu_read_lock_bh();
n = __ipv4_neigh_lookup_noref(dev, key);
if (n && !refcount_inc_not_zero(&n->refcnt))
n = NULL;
rcu_read_unlock_bh();
return n;
}
static inline void __ipv4_confirm_neigh(struct net_device *dev, u32 key)
{
struct neighbour *n;
rcu_read_lock_bh();
n = __ipv4_neigh_lookup_noref(dev, key);
if (n) {
unsigned long now = jiffies;
/* avoid dirtying neighbour */
if (n->confirmed != now)
n->confirmed = now;
}
rcu_read_unlock_bh();
}
void arp_init(void);
int arp_ioctl(struct net *net, unsigned int cmd, void __user *arg);
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);
int arp_mc_map(__be32 addr, u8 *haddr, struct net_device *dev, int dir);
void arp_ifdown(struct net_device *dev);
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);
void arp_xmit(struct sk_buff *skb);
#endif /* _ARP_H */