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Name	Size	Permission
9p	[ DIR ]	drwxr-xr-x
bluetooth	[ DIR ]	drwxr-xr-x
caif	[ DIR ]	drwxr-xr-x
iucv	[ DIR ]	drwxr-xr-x
netfilter	[ DIR ]	drwxr-xr-x
netns	[ DIR ]	drwxr-xr-x
nfc	[ DIR ]	drwxr-xr-x
phonet	[ DIR ]	drwxr-xr-x
sctp	[ DIR ]	drwxr-xr-x
tc_act	[ DIR ]	drwxr-xr-x
6lowpan.h	10.03 KB	-rw-r--r--
Space.h	1.15 KB	-rw-r--r--
act_api.h	6.3 KB	-rw-r--r--
addrconf.h	12.54 KB	-rw-r--r--
af_ieee802154.h	1.55 KB	-rw-r--r--
af_rxrpc.h	2.79 KB	-rw-r--r--
af_unix.h	2.17 KB	-rw-r--r--
af_vsock.h	7.21 KB	-rw-r--r--
ah.h	382 B	-rw-r--r--
arp.h	2 KB	-rw-r--r--
atmclip.h	1.48 KB	-rw-r--r--
ax25.h	14.78 KB	-rw-r--r--
ax88796.h	998 B	-rw-r--r--
bond_3ad.h	9.79 KB	-rw-r--r--
bond_alb.h	6.6 KB	-rw-r--r--
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bonding.h	18.92 KB	-rw-r--r--
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cfg80211-wext.h	1.95 KB	-rw-r--r--
cfg80211.h	220.22 KB	-rw-r--r--
cfg802154.h	10.89 KB	-rw-r--r--
checksum.h	4.64 KB	-rw-r--r--
cipso_ipv4.h	8.2 KB	-rw-r--r--
cls_cgroup.h	2.15 KB	-rw-r--r--
codel.h	5.65 KB	-rw-r--r--
codel_impl.h	7.98 KB	-rw-r--r--
codel_qdisc.h	2.9 KB	-rw-r--r--
compat.h	2.11 KB	-rw-r--r--
datalink.h	619 B	-rw-r--r--
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dcbnl.h	4.2 KB	-rw-r--r--
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dn_fib.h	3.98 KB	-rw-r--r--
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erspan.h	2.11 KB	-rw-r--r--
esp.h	877 B	-rw-r--r--
ethoc.h	538 B	-rw-r--r--
fib_notifier.h	1.29 KB	-rw-r--r--
fib_rules.h	4.14 KB	-rw-r--r--
firewire.h	636 B	-rw-r--r--
flow.h	6.16 KB	-rw-r--r--
flow_dissector.h	7.24 KB	-rw-r--r--
fou.h	549 B	-rw-r--r--
fq.h	2.66 KB	-rw-r--r--
fq_impl.h	6.87 KB	-rw-r--r--
garp.h	2.62 KB	-rw-r--r--
gen_stats.h	2.34 KB	-rw-r--r--
genetlink.h	11.72 KB	-rw-r--r--
geneve.h	1.67 KB	-rw-r--r--
gre.h	2.99 KB	-rw-r--r--
gro_cells.h	443 B	-rw-r--r--
gtp.h	633 B	-rw-r--r--
gue.h	3.23 KB	-rw-r--r--
hwbm.h	937 B	-rw-r--r--
icmp.h	1.72 KB	-rw-r--r--
ieee80211_radiotap.h	6.63 KB	-rw-r--r--
ieee802154_netdev.h	9.14 KB	-rw-r--r--
if_inet6.h	6.13 KB	-rw-r--r--
ife.h	1.06 KB	-rw-r--r--
ila.h	498 B	-rw-r--r--
inet6_connection_sock.h	976 B	-rw-r--r--
inet6_hashtables.h	3.7 KB	-rw-r--r--
inet_common.h	1.89 KB	-rw-r--r--
inet_connection_sock.h	10.34 KB	-rw-r--r--
inet_ecn.h	5.99 KB	-rw-r--r--
inet_frag.h	4.51 KB	-rw-r--r--
inet_hashtables.h	12.57 KB	-rw-r--r--
inet_sock.h	8.24 KB	-rw-r--r--
inet_timewait_sock.h	3.82 KB	-rw-r--r--
inetpeer.h	3.29 KB	-rw-r--r--
ip.h	18.3 KB	-rw-r--r--
ip6_checksum.h	2.89 KB	-rw-r--r--
ip6_fib.h	10.03 KB	-rw-r--r--
ip6_route.h	7.55 KB	-rw-r--r--
ip6_tunnel.h	4.72 KB	-rw-r--r--
ip_fib.h	10.72 KB	-rw-r--r--
ip_tunnels.h	13.61 KB	-rw-r--r--
ip_vs.h	46.74 KB	-rw-r--r--
ipcomp.h	659 B	-rw-r--r--
ipconfig.h	811 B	-rw-r--r--
ipv6.h	29.95 KB	-rw-r--r--
ipv6_frag.h	2.54 KB	-rw-r--r--
ipx.h	4.4 KB	-rw-r--r--
iw_handler.h	20.91 KB	-rw-r--r--
kcm.h	4.96 KB	-rw-r--r--
l3mdev.h	5.86 KB	-rw-r--r--
lapb.h	4.75 KB	-rw-r--r--
lib80211.h	3.92 KB	-rw-r--r--
llc.h	4.36 KB	-rw-r--r--
llc_c_ac.h	9.31 KB	-rw-r--r--
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llc_conn.h	4.06 KB	-rw-r--r--
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llc_pdu.h	14.08 KB	-rw-r--r--
llc_s_ac.h	1.55 KB	-rw-r--r--
llc_s_ev.h	2.2 KB	-rw-r--r--
llc_s_st.h	947 B	-rw-r--r--
llc_sap.h	1.08 KB	-rw-r--r--
lwtunnel.h	5.84 KB	-rw-r--r--
mac80211.h	230.36 KB	-rw-r--r--
mac802154.h	15.27 KB	-rw-r--r--
mip6.h	1.58 KB	-rw-r--r--
mld.h	2.8 KB	-rw-r--r--
mpls.h	932 B	-rw-r--r--
mpls_iptunnel.h	827 B	-rw-r--r--
mrp.h	3.03 KB	-rw-r--r--
ncsi.h	1.92 KB	-rw-r--r--
ndisc.h	13.77 KB	-rw-r--r--
neighbour.h	15.02 KB	-rw-r--r--
net_namespace.h	9.93 KB	-rw-r--r--
net_ratelimit.h	220 B	-rw-r--r--
netevent.h	910 B	-rw-r--r--
netlabel.h	20.74 KB	-rw-r--r--
netlink.h	40.39 KB	-rw-r--r--
netprio_cgroup.h	1.24 KB	-rw-r--r--
netrom.h	7.68 KB	-rw-r--r--
nexthop.h	865 B	-rw-r--r--
nl802154.h	12.09 KB	-rw-r--r--
nsh.h	12.31 KB	-rw-r--r--
p8022.h	447 B	-rw-r--r--
ping.h	3.45 KB	-rw-r--r--
pkt_cls.h	17.27 KB	-rw-r--r--
pkt_sched.h	4.05 KB	-rw-r--r--
pptp.h	557 B	-rw-r--r--
protocol.h	4.08 KB	-rw-r--r--
psample.h	821 B	-rw-r--r--
psnap.h	351 B	-rw-r--r--
raw.h	2.07 KB	-rw-r--r--
rawv6.h	854 B	-rw-r--r--
red.h	10.28 KB	-rw-r--r--
regulatory.h	10.12 KB	-rw-r--r--
request_sock.h	6.44 KB	-rw-r--r--
rose.h	7.62 KB	-rw-r--r--
route.h	10.02 KB	-rw-r--r--
rtnetlink.h	6.04 KB	-rw-r--r--
sch_generic.h	23.08 KB	-rw-r--r--
scm.h	3.5 KB	-rw-r--r--
secure_seq.h	855 B	-rw-r--r--
seg6.h	1.66 KB	-rw-r--r--
seg6_hmac.h	1.65 KB	-rw-r--r--
slhc_vj.h	6.67 KB	-rw-r--r--
smc.h	440 B	-rw-r--r--
snmp.h	5.23 KB	-rw-r--r--
sock.h	68.5 KB	-rw-r--r--
sock_reuseport.h	863 B	-rw-r--r--
stp.h	383 B	-rw-r--r--
strparser.h	3.75 KB	-rw-r--r--
switchdev.h	6.52 KB	-rw-r--r--
tcp.h	62.04 KB	-rw-r--r--
tcp_states.h	1.26 KB	-rw-r--r--
timewait_sock.h	1.11 KB	-rw-r--r--
tipc.h	2.34 KB	-rw-r--r--
tls.h	7.12 KB	-rw-r--r--
transp_v6.h	2.08 KB	-rw-r--r--
tso.h	515 B	-rw-r--r--
tun_proto.h	988 B	-rw-r--r--
udp.h	12.82 KB	-rw-r--r--
udp_tunnel.h	5.12 KB	-rw-r--r--
udplite.h	3.83 KB	-rw-r--r--
vsock_addr.h	1.05 KB	-rw-r--r--
vxlan.h	10.43 KB	-rw-r--r--
wext.h	1.51 KB	-rw-r--r--
wimax.h	19.97 KB	-rw-r--r--
x25.h	9.43 KB	-rw-r--r--
x25device.h	387 B	-rw-r--r--
xfrm.h	53.5 KB	-rw-r--r--

Code Editor : ip_fib.h

/*
 * INET		An implementation of the TCP/IP protocol suite for the LINUX
 *		operating system.  INET  is implemented using the  BSD Socket
 *		interface as the means of communication with the user level.
 *
 *		Definitions for the Forwarding Information Base.
 *
 * Authors:	A.N.Kuznetsov, <kuznet@ms2.inr.ac.ru>
 *
 *		This program is free software; you can redistribute it and/or
 *		modify it under the terms of the GNU General Public License
 *		as published by the Free Software Foundation; either version
 *		2 of the License, or (at your option) any later version.
 */

#ifndef _NET_IP_FIB_H
#define _NET_IP_FIB_H

#include <net/flow.h>
#include <linux/seq_file.h>
#include <linux/rcupdate.h>
#include <net/fib_notifier.h>
#include <net/fib_rules.h>
#include <net/inetpeer.h>
#include <linux/percpu.h>
#include <linux/notifier.h>
#include <linux/refcount.h>

struct fib_config {
	u8			fc_dst_len;
	u8			fc_tos;
	u8			fc_protocol;
	u8			fc_scope;
	u8			fc_type;
	/* 3 bytes unused */
	u32			fc_table;
	__be32			fc_dst;
	__be32			fc_gw;
	int			fc_oif;
	u32			fc_flags;
	u32			fc_priority;
	__be32			fc_prefsrc;
	struct nlattr		*fc_mx;
	struct rtnexthop	*fc_mp;
	int			fc_mx_len;
	int			fc_mp_len;
	u32			fc_flow;
	u32			fc_nlflags;
	struct nl_info		fc_nlinfo;
	struct nlattr		*fc_encap;
	u16			fc_encap_type;
};

struct fib_info;
struct rtable;

struct fib_nh_exception {
	struct fib_nh_exception __rcu	*fnhe_next;
	int				fnhe_genid;
	__be32				fnhe_daddr;
	u32				fnhe_pmtu;
	bool				fnhe_mtu_locked;
	__be32				fnhe_gw;
	unsigned long			fnhe_expires;
	struct rtable __rcu		*fnhe_rth_input;
	struct rtable __rcu		*fnhe_rth_output;
	unsigned long			fnhe_stamp;
	struct rcu_head			rcu;
};

struct fnhe_hash_bucket {
	struct fib_nh_exception __rcu	*chain;
};

#define FNHE_HASH_SHIFT		11
#define FNHE_HASH_SIZE		(1 << FNHE_HASH_SHIFT)
#define FNHE_RECLAIM_DEPTH	5

struct fib_nh {
	struct net_device	*nh_dev;
	struct hlist_node	nh_hash;
	struct fib_info		*nh_parent;
	unsigned int		nh_flags;
	unsigned char		nh_scope;
#ifdef CONFIG_IP_ROUTE_MULTIPATH
	int			nh_weight;
	atomic_t		nh_upper_bound;
#endif
#ifdef CONFIG_IP_ROUTE_CLASSID
	__u32			nh_tclassid;
#endif
	int			nh_oif;
	__be32			nh_gw;
	__be32			nh_saddr;
	int			nh_saddr_genid;
	struct rtable __rcu * __percpu *nh_pcpu_rth_output;
	struct rtable __rcu	*nh_rth_input;
	struct fnhe_hash_bucket	__rcu *nh_exceptions;
	struct lwtunnel_state	*nh_lwtstate;
};

/*
 * This structure contains data shared by many of routes.
 */

struct fib_info {
	struct hlist_node	fib_hash;
	struct hlist_node	fib_lhash;
	struct net		*fib_net;
	int			fib_treeref;
	refcount_t		fib_clntref;
	unsigned int		fib_flags;
	unsigned char		fib_dead;
	unsigned char		fib_protocol;
	unsigned char		fib_scope;
	unsigned char		fib_type;
	__be32			fib_prefsrc;
	u32			fib_tb_id;
	u32			fib_priority;
	struct dst_metrics	*fib_metrics;
#define fib_mtu fib_metrics->metrics[RTAX_MTU-1]
#define fib_window fib_metrics->metrics[RTAX_WINDOW-1]
#define fib_rtt fib_metrics->metrics[RTAX_RTT-1]
#define fib_advmss fib_metrics->metrics[RTAX_ADVMSS-1]
	int			fib_nhs;
	struct rcu_head		rcu;
	struct fib_nh		fib_nh[0];
#define fib_dev		fib_nh[0].nh_dev
};

#ifdef CONFIG_IP_MULTIPLE_TABLES
struct fib_rule;
#endif

struct fib_table;
struct fib_result {
	__be32		prefix;
	unsigned char	prefixlen;
	unsigned char	nh_sel;
	unsigned char	type;
	unsigned char	scope;
	u32		tclassid;
	struct fib_info *fi;
	struct fib_table *table;
	struct hlist_head *fa_head;
};

struct fib_result_nl {
	__be32		fl_addr;   /* To be looked up*/
	u32		fl_mark;
	unsigned char	fl_tos;
	unsigned char   fl_scope;
	unsigned char   tb_id_in;

unsigned char   tb_id;      /* Results */
	unsigned char	prefixlen;
	unsigned char	nh_sel;
	unsigned char	type;
	unsigned char	scope;
	int             err;      
};

#ifdef CONFIG_IP_ROUTE_MULTIPATH
#define FIB_RES_NH(res)		((res).fi->fib_nh[(res).nh_sel])
#else /* CONFIG_IP_ROUTE_MULTIPATH */
#define FIB_RES_NH(res)		((res).fi->fib_nh[0])
#endif /* CONFIG_IP_ROUTE_MULTIPATH */

#ifdef CONFIG_IP_MULTIPLE_TABLES
#define FIB_TABLE_HASHSZ 256
#else
#define FIB_TABLE_HASHSZ 2
#endif

__be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh);

#define FIB_RES_SADDR(net, res)				\
	((FIB_RES_NH(res).nh_saddr_genid ==		\
	  atomic_read(&(net)->ipv4.dev_addr_genid)) ?	\
	 FIB_RES_NH(res).nh_saddr :			\
	 fib_info_update_nh_saddr((net), &FIB_RES_NH(res)))
#define FIB_RES_GW(res)			(FIB_RES_NH(res).nh_gw)
#define FIB_RES_DEV(res)		(FIB_RES_NH(res).nh_dev)
#define FIB_RES_OIF(res)		(FIB_RES_NH(res).nh_oif)

#define FIB_RES_PREFSRC(net, res)	((res).fi->fib_prefsrc ? : \
					 FIB_RES_SADDR(net, res))

struct fib_entry_notifier_info {
	struct fib_notifier_info info; /* must be first */
	u32 dst;
	int dst_len;
	struct fib_info *fi;
	u8 tos;
	u8 type;
	u32 tb_id;
};

struct fib_nh_notifier_info {
	struct fib_notifier_info info; /* must be first */
	struct fib_nh *fib_nh;
};

int call_fib4_notifier(struct notifier_block *nb, struct net *net,
		       enum fib_event_type event_type,
		       struct fib_notifier_info *info);
int call_fib4_notifiers(struct net *net, enum fib_event_type event_type,
			struct fib_notifier_info *info);

int __net_init fib4_notifier_init(struct net *net);
void __net_exit fib4_notifier_exit(struct net *net);

void fib_notify(struct net *net, struct notifier_block *nb);

struct fib_table {
	struct hlist_node	tb_hlist;
	u32			tb_id;
	int			tb_num_default;
	struct rcu_head		rcu;
	unsigned long 		*tb_data;
	unsigned long		__data[0];
};

int fib_table_lookup(struct fib_table *tb, const struct flowi4 *flp,
		     struct fib_result *res, int fib_flags);
int fib_table_insert(struct net *, struct fib_table *, struct fib_config *,
		     struct netlink_ext_ack *extack);
int fib_table_delete(struct net *, struct fib_table *, struct fib_config *,
		     struct netlink_ext_ack *extack);
int fib_table_dump(struct fib_table *table, struct sk_buff *skb,
		   struct netlink_callback *cb);
int fib_table_flush(struct net *net, struct fib_table *table, bool flush_all);
struct fib_table *fib_trie_unmerge(struct fib_table *main_tb);
void fib_table_flush_external(struct fib_table *table);
void fib_free_table(struct fib_table *tb);

#ifndef CONFIG_IP_MULTIPLE_TABLES

#define TABLE_LOCAL_INDEX	(RT_TABLE_LOCAL & (FIB_TABLE_HASHSZ - 1))
#define TABLE_MAIN_INDEX	(RT_TABLE_MAIN  & (FIB_TABLE_HASHSZ - 1))

static inline struct fib_table *fib_get_table(struct net *net, u32 id)
{
	struct hlist_node *tb_hlist;
	struct hlist_head *ptr;

ptr = id == RT_TABLE_LOCAL ?
		&net->ipv4.fib_table_hash[TABLE_LOCAL_INDEX] :
		&net->ipv4.fib_table_hash[TABLE_MAIN_INDEX];

tb_hlist = rcu_dereference_rtnl(hlist_first_rcu(ptr));

return hlist_entry(tb_hlist, struct fib_table, tb_hlist);
}

static inline struct fib_table *fib_new_table(struct net *net, u32 id)
{
	return fib_get_table(net, id);
}

static inline int fib_lookup(struct net *net, const struct flowi4 *flp,
			     struct fib_result *res, unsigned int flags)
{
	struct fib_table *tb;
	int err = -ENETUNREACH;

rcu_read_lock();

tb = fib_get_table(net, RT_TABLE_MAIN);
	if (tb)
		err = fib_table_lookup(tb, flp, res, flags | FIB_LOOKUP_NOREF);

if (err == -EAGAIN)
		err = -ENETUNREACH;

rcu_read_unlock();

return err;
}

static inline bool fib4_rule_default(const struct fib_rule *rule)
{
	return true;
}

static inline int fib4_rules_dump(struct net *net, struct notifier_block *nb)
{
	return 0;
}

static inline unsigned int fib4_rules_seq_read(struct net *net)
{
	return 0;
}

#else /* CONFIG_IP_MULTIPLE_TABLES */
int __net_init fib4_rules_init(struct net *net);
void __net_exit fib4_rules_exit(struct net *net);

struct fib_table *fib_new_table(struct net *net, u32 id);
struct fib_table *fib_get_table(struct net *net, u32 id);

int __fib_lookup(struct net *net, struct flowi4 *flp,
		 struct fib_result *res, unsigned int flags);

static inline int fib_lookup(struct net *net, struct flowi4 *flp,
			     struct fib_result *res, unsigned int flags)
{
	struct fib_table *tb;
	int err = -ENETUNREACH;

flags |= FIB_LOOKUP_NOREF;
	if (net->ipv4.fib_has_custom_rules)
		return __fib_lookup(net, flp, res, flags);

rcu_read_lock();

res->tclassid = 0;

tb = rcu_dereference_rtnl(net->ipv4.fib_main);
	if (tb)
		err = fib_table_lookup(tb, flp, res, flags);

if (!err)
		goto out;

tb = rcu_dereference_rtnl(net->ipv4.fib_default);
	if (tb)
		err = fib_table_lookup(tb, flp, res, flags);

out:
	if (err == -EAGAIN)
		err = -ENETUNREACH;

rcu_read_unlock();

return err;
}

bool fib4_rule_default(const struct fib_rule *rule);
int fib4_rules_dump(struct net *net, struct notifier_block *nb);
unsigned int fib4_rules_seq_read(struct net *net);

#endif /* CONFIG_IP_MULTIPLE_TABLES */

/* Exported by fib_frontend.c */
extern const struct nla_policy rtm_ipv4_policy[];
void ip_fib_init(void);
__be32 fib_compute_spec_dst(struct sk_buff *skb);
int fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst,
			u8 tos, int oif, struct net_device *dev,
			struct in_device *idev, u32 *itag);
#ifdef CONFIG_IP_ROUTE_CLASSID
static inline int fib_num_tclassid_users(struct net *net)
{
	return net->ipv4.fib_num_tclassid_users;
}
#else
static inline int fib_num_tclassid_users(struct net *net)
{
	return 0;
}
#endif
int fib_unmerge(struct net *net);

/* Exported by fib_semantics.c */
int ip_fib_check_default(__be32 gw, struct net_device *dev);
int fib_sync_down_dev(struct net_device *dev, unsigned long event, bool force);
int fib_sync_down_addr(struct net_device *dev, __be32 local);
int fib_sync_up(struct net_device *dev, unsigned int nh_flags);
void fib_sync_mtu(struct net_device *dev, u32 orig_mtu);

#ifdef CONFIG_IP_ROUTE_MULTIPATH
int fib_multipath_hash(const struct fib_info *fi, const struct flowi4 *fl4,
		       const struct sk_buff *skb);
#endif
void fib_select_multipath(struct fib_result *res, int hash);
void fib_select_path(struct net *net, struct fib_result *res,
		     struct flowi4 *fl4, const struct sk_buff *skb);

/* Exported by fib_trie.c */
void fib_trie_init(void);
struct fib_table *fib_trie_table(u32 id, struct fib_table *alias);

static inline void fib_combine_itag(u32 *itag, const struct fib_result *res)
{
#ifdef CONFIG_IP_ROUTE_CLASSID
#ifdef CONFIG_IP_MULTIPLE_TABLES
	u32 rtag;
#endif
	*itag = FIB_RES_NH(*res).nh_tclassid<<16;
#ifdef CONFIG_IP_MULTIPLE_TABLES
	rtag = res->tclassid;
	if (*itag == 0)
		*itag = (rtag<<16);
	*itag |= (rtag>>16);
#endif
#endif
}

void free_fib_info(struct fib_info *fi);

static inline void fib_info_hold(struct fib_info *fi)
{
	refcount_inc(&fi->fib_clntref);
}

static inline void fib_info_put(struct fib_info *fi)
{
	if (refcount_dec_and_test(&fi->fib_clntref))
		free_fib_info(fi);
}

#ifdef CONFIG_PROC_FS
int __net_init fib_proc_init(struct net *net);
void __net_exit fib_proc_exit(struct net *net);
#else
static inline int fib_proc_init(struct net *net)
{
	return 0;
}
static inline void fib_proc_exit(struct net *net)
{
}
#endif

#endif  /* _NET_FIB_H */

${this.title}

Code Editor : ip_fib.h