summaryrefslogtreecommitdiff
path: root/include/net/ip_fib.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/net/ip_fib.h')
-rw-r--r--include/net/ip_fib.h55
1 files changed, 33 insertions, 22 deletions
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 07bdb5e9e8ac..e5d66ec88cf6 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -55,11 +55,13 @@ struct fib_nh {
int nh_weight;
int nh_power;
#endif
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
__u32 nh_tclassid;
#endif
int nh_oif;
__be32 nh_gw;
+ __be32 nh_saddr;
+ int nh_saddr_genid;
};
/*
@@ -72,12 +74,13 @@ struct fib_info {
struct net *fib_net;
int fib_treeref;
atomic_t fib_clntref;
- int fib_dead;
unsigned fib_flags;
- int fib_protocol;
+ unsigned char fib_dead;
+ unsigned char fib_protocol;
+ unsigned char fib_scope;
__be32 fib_prefsrc;
u32 fib_priority;
- u32 fib_metrics[RTAX_MAX];
+ u32 *fib_metrics;
#define fib_mtu fib_metrics[RTAX_MTU-1]
#define fib_window fib_metrics[RTAX_WINDOW-1]
#define fib_rtt fib_metrics[RTAX_RTT-1]
@@ -96,12 +99,15 @@ struct fib_info {
struct fib_rule;
#endif
+struct fib_table;
struct fib_result {
unsigned char prefixlen;
unsigned char nh_sel;
unsigned char type;
unsigned char scope;
struct fib_info *fi;
+ struct fib_table *table;
+ struct list_head *fa_head;
#ifdef CONFIG_IP_MULTIPLE_TABLES
struct fib_rule *r;
#endif
@@ -136,11 +142,20 @@ struct fib_result_nl {
#endif /* CONFIG_IP_ROUTE_MULTIPATH */
-#define FIB_RES_PREFSRC(res) ((res).fi->fib_prefsrc ? : __fib_res_prefsrc(&res))
+extern __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_table {
struct hlist_node tb_hlist;
u32 tb_id;
@@ -148,16 +163,13 @@ struct fib_table {
unsigned char tb_data[0];
};
-extern int fib_table_lookup(struct fib_table *tb, const struct flowi *flp,
+extern int fib_table_lookup(struct fib_table *tb, const struct flowi4 *flp,
struct fib_result *res, int fib_flags);
extern int fib_table_insert(struct fib_table *, struct fib_config *);
extern int fib_table_delete(struct fib_table *, struct fib_config *);
extern int fib_table_dump(struct fib_table *table, struct sk_buff *skb,
struct netlink_callback *cb);
extern int fib_table_flush(struct fib_table *table);
-extern void fib_table_select_default(struct fib_table *table,
- const struct flowi *flp,
- struct fib_result *res);
extern void fib_free_table(struct fib_table *tb);
@@ -182,7 +194,7 @@ 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 flowi *flp,
+static inline int fib_lookup(struct net *net, const struct flowi4 *flp,
struct fib_result *res)
{
struct fib_table *table;
@@ -201,11 +213,11 @@ static inline int fib_lookup(struct net *net, const struct flowi *flp,
extern int __net_init fib4_rules_init(struct net *net);
extern void __net_exit fib4_rules_exit(struct net *net);
-#ifdef CONFIG_NET_CLS_ROUTE
-extern u32 fib_rules_tclass(struct fib_result *res);
+#ifdef CONFIG_IP_ROUTE_CLASSID
+extern u32 fib_rules_tclass(const struct fib_result *res);
#endif
-extern int fib_lookup(struct net *n, struct flowi *flp, struct fib_result *res);
+extern int fib_lookup(struct net *n, struct flowi4 *flp, struct fib_result *res);
extern struct fib_table *fib_new_table(struct net *net, u32 id);
extern struct fib_table *fib_get_table(struct net *net, u32 id);
@@ -218,24 +230,23 @@ extern void ip_fib_init(void);
extern int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
struct net_device *dev, __be32 *spec_dst,
u32 *itag, u32 mark);
-extern void fib_select_default(struct net *net, const struct flowi *flp,
- struct fib_result *res);
+extern void fib_select_default(struct fib_result *res);
/* Exported by fib_semantics.c */
extern int ip_fib_check_default(__be32 gw, struct net_device *dev);
extern int fib_sync_down_dev(struct net_device *dev, int force);
extern int fib_sync_down_addr(struct net *net, __be32 local);
+extern void fib_update_nh_saddrs(struct net_device *dev);
extern int fib_sync_up(struct net_device *dev);
-extern __be32 __fib_res_prefsrc(struct fib_result *res);
-extern void fib_select_multipath(const struct flowi *flp, struct fib_result *res);
+extern void fib_select_multipath(struct fib_result *res);
-/* Exported by fib_{hash|trie}.c */
-extern void fib_hash_init(void);
-extern struct fib_table *fib_hash_table(u32 id);
+/* Exported by fib_trie.c */
+extern void fib_trie_init(void);
+extern struct fib_table *fib_trie_table(u32 id);
-static inline void fib_combine_itag(u32 *itag, struct fib_result *res)
+static inline void fib_combine_itag(u32 *itag, const struct fib_result *res)
{
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
#ifdef CONFIG_IP_MULTIPLE_TABLES
u32 rtag;
#endif