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authorThomas Graf <tgraf@suug.ch>2006-08-04 23:20:06 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-22 14:53:39 -0700
commitc71099acce933455123ee505cc75964610a209ad (patch)
treecf167c926350ff6c4040289dacce54849824c240 /include/net
parent5d0bbeeb144f631150881712607345c532e38e7e (diff)
[IPV6]: Multiple Routing Tables
Adds the framework to support multiple IPv6 routing tables. Currently all automatically generated routes are put into the same table. This could be changed at a later point after considering the produced locking overhead. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/ip6_fib.h39
-rw-r--r--include/net/ip6_route.h3
2 files changed, 40 insertions, 2 deletions
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index a66e9de16a6..818411519c8 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -51,6 +51,8 @@ struct rt6key
int plen;
};
+struct fib6_table;
+
struct rt6_info
{
union {
@@ -71,6 +73,7 @@ struct rt6_info
u32 rt6i_flags;
u32 rt6i_metric;
atomic_t rt6i_ref;
+ struct fib6_table *rt6i_table;
struct rt6key rt6i_dst;
struct rt6key rt6i_src;
@@ -143,12 +146,43 @@ struct rt6_statistics {
typedef void (*f_pnode)(struct fib6_node *fn, void *);
-extern struct fib6_node ip6_routing_table;
+struct fib6_table {
+ struct hlist_node tb6_hlist;
+ u32 tb6_id;
+ rwlock_t tb6_lock;
+ struct fib6_node tb6_root;
+};
+
+#define RT6_TABLE_UNSPEC RT_TABLE_UNSPEC
+#define RT6_TABLE_MAIN RT_TABLE_MAIN
+#define RT6_TABLE_LOCAL RT6_TABLE_MAIN
+#define RT6_TABLE_DFLT RT6_TABLE_MAIN
+#define RT6_TABLE_INFO RT6_TABLE_MAIN
+#define RT6_TABLE_PREFIX RT6_TABLE_MAIN
+
+#ifdef CONFIG_IPV6_MULTIPLE_TABLES
+#define FIB6_TABLE_MIN 1
+#define FIB6_TABLE_MAX RT_TABLE_MAX
+#else
+#define FIB6_TABLE_MIN RT_TABLE_MAIN
+#define FIB6_TABLE_MAX FIB6_TABLE_MIN
+#endif
+
+#define RT6_F_STRICT 1
+#define RT6_F_HAS_SADDR 2
+
+typedef struct rt6_info *(*pol_lookup_t)(struct fib6_table *,
+ struct flowi *, int);
/*
* exported functions
*/
+extern struct fib6_table * fib6_get_table(u32 id);
+extern struct fib6_table * fib6_new_table(u32 id);
+extern struct dst_entry * fib6_rule_lookup(struct flowi *fl, int flags,
+ pol_lookup_t lookup);
+
extern struct fib6_node *fib6_lookup(struct fib6_node *root,
struct in6_addr *daddr,
struct in6_addr *saddr);
@@ -161,6 +195,9 @@ extern void fib6_clean_tree(struct fib6_node *root,
int (*func)(struct rt6_info *, void *arg),
int prune, void *arg);
+extern void fib6_clean_all(int (*func)(struct rt6_info *, void *arg),
+ int prune, void *arg);
+
extern int fib6_walk(struct fib6_walker_t *w);
extern int fib6_walk_continue(struct fib6_walker_t *w);
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 96b0e66406e..d49c8c90eb6 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -58,7 +58,8 @@ extern int ipv6_route_ioctl(unsigned int cmd, void __user *arg);
extern int ip6_route_add(struct in6_rtmsg *rtmsg,
struct nlmsghdr *,
void *rtattr,
- struct netlink_skb_parms *req);
+ struct netlink_skb_parms *req,
+ u32 table_id);
extern int ip6_ins_rt(struct rt6_info *,
struct nlmsghdr *,
void *rtattr,