From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- include/linux/netfilter/nfnetlink.h | 46 +++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 include/linux/netfilter/nfnetlink.h (limited to 'include/linux/netfilter/nfnetlink.h') diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h new file mode 100644 index 00000000..cadb7402 --- /dev/null +++ b/include/linux/netfilter/nfnetlink.h @@ -0,0 +1,46 @@ +#ifndef _NFNETLINK_H +#define _NFNETLINK_H + + +#include +#include +#include +#include + +struct nfnl_callback { + int (*call)(struct sock *nl, struct sk_buff *skb, + const struct nlmsghdr *nlh, + const struct nlattr * const cda[]); + int (*call_rcu)(struct sock *nl, struct sk_buff *skb, + const struct nlmsghdr *nlh, + const struct nlattr * const cda[]); + 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 */ +}; + +extern int nfnetlink_subsys_register(const struct nfnetlink_subsystem *n); +extern int nfnetlink_subsys_unregister(const struct nfnetlink_subsystem *n); + +extern int nfnetlink_has_listeners(struct net *net, unsigned int group); +extern struct sk_buff *nfnetlink_alloc_skb(struct net *net, unsigned int size, + u32 dst_portid, gfp_t gfp_mask); +extern int nfnetlink_send(struct sk_buff *skb, struct net *net, u32 portid, + unsigned int group, int echo, gfp_t flags); +extern int nfnetlink_set_err(struct net *net, u32 portid, u32 group, int error); +extern int nfnetlink_unicast(struct sk_buff *skb, struct net *net, + u32 portid, int flags); + +extern void nfnl_lock(__u8 subsys_id); +extern void nfnl_unlock(__u8 subsys_id); + +#define MODULE_ALIAS_NFNL_SUBSYS(subsys) \ + MODULE_ALIAS("nfnetlink-subsys-" __stringify(subsys)) + +#endif /* _NFNETLINK_H */ -- cgit v1.3.1