Contributors: 9
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Pablo Neira Ayuso |
171 |
40.62% |
13 |
41.94% |
| Harald Welte |
130 |
30.88% |
4 |
12.90% |
| Patrick McHardy |
55 |
13.06% |
7 |
22.58% |
| Eric Dumazet |
32 |
7.60% |
2 |
6.45% |
| Alexey Dobriyan |
20 |
4.75% |
1 |
3.23% |
| Florian Westphal |
5 |
1.19% |
1 |
3.23% |
| David Howells |
4 |
0.95% |
1 |
3.23% |
| Yaowei Bai |
3 |
0.71% |
1 |
3.23% |
| Greg Kroah-Hartman |
1 |
0.24% |
1 |
3.23% |
| Total |
421 |
|
31 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _NFNETLINK_H
#define _NFNETLINK_H
#include <linux/netlink.h>
#include <linux/capability.h>
#include <net/netlink.h>
#include <uapi/linux/netfilter/nfnetlink.h>
struct nfnl_callback {
int (*call)(struct net *net, struct sock *nl, struct sk_buff *skb,
const struct nlmsghdr *nlh,
const struct nlattr * const cda[],
struct netlink_ext_ack *extack);
int (*call_rcu)(struct net *net, struct sock *nl, struct sk_buff *skb,
const struct nlmsghdr *nlh,
const struct nlattr * const cda[],
struct netlink_ext_ack *extack);
int (*call_batch)(struct net *net, struct sock *nl, struct sk_buff *skb,
const struct nlmsghdr *nlh,
const struct nlattr * const cda[],
struct netlink_ext_ack *extack);
const struct nla_policy *policy; /* netlink attribute policy */
const u_int16_t attr_count; /* number of nlattr's */
};
struct nfnetlink_subsystem {
const char *name;
__u8 subsys_id; /* nfnetlink subsystem ID */
__u8 cb_count; /* number of callbacks */
const struct nfnl_callback *cb; /* callback for individual types */
struct module *owner;
int (*commit)(struct net *net, struct sk_buff *skb);
int (*abort)(struct net *net, struct sk_buff *skb);
void (*cleanup)(struct net *net);
bool (*valid_genid)(struct net *net, u32 genid);
};
int nfnetlink_subsys_register(const struct nfnetlink_subsystem *n);
int nfnetlink_subsys_unregister(const struct nfnetlink_subsystem *n);
int nfnetlink_has_listeners(struct net *net, unsigned int group);
int nfnetlink_send(struct sk_buff *skb, struct net *net, u32 portid,
unsigned int group, int echo, gfp_t flags);
int nfnetlink_set_err(struct net *net, u32 portid, u32 group, int error);
int nfnetlink_unicast(struct sk_buff *skb, struct net *net, u32 portid,
int flags);
static inline u16 nfnl_msg_type(u8 subsys, u8 msg_type)
{
return subsys << 8 | msg_type;
}
void nfnl_lock(__u8 subsys_id);
void nfnl_unlock(__u8 subsys_id);
#ifdef CONFIG_PROVE_LOCKING
bool lockdep_nfnl_is_held(__u8 subsys_id);
#else
static inline bool lockdep_nfnl_is_held(__u8 subsys_id)
{
return true;
}
#endif /* CONFIG_PROVE_LOCKING */
#define MODULE_ALIAS_NFNL_SUBSYS(subsys) \
MODULE_ALIAS("nfnetlink-subsys-" __stringify(subsys))
#endif /* _NFNETLINK_H */