net: ipv4: Change fib notifiers to take a fib_alias

All of the notifier data (fib_info, tos, type and table id) are
contained in the fib_alias. Pass it to the notifier instead of
each data separately shortening the argument list by 3.

Signed-off-by: David Ahern <dsahern@gmail.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 15 insertions, 24 deletions

diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index c636650a6a70..aaa1ba09afaa 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -87,32 +87,30 @@
 
 static int call_fib_entry_notifier(struct notifier_block *nb, struct net *net,
                                    enum fib_event_type event_type, u32 dst,
-                                   int dst_len, struct fib_info *fi,
-                                   u8 tos, u8 type, u32 tb_id)
+                                   int dst_len, struct fib_alias *fa)
 {
         struct fib_entry_notifier_info info = {
                 .dst = dst,
                 .dst_len = dst_len,
-                .fi = fi,
-                .tos = tos,
-                .type = type,
-                .tb_id = tb_id,
+                .fi = fa->fa_info,
+                .tos = fa->fa_tos,
+                .type = fa->fa_type,
+                .tb_id = fa->tb_id,
         };
         return call_fib4_notifier(nb, net, event_type, &info.info);
 }
 
 static int call_fib_entry_notifiers(struct net *net,
                                     enum fib_event_type event_type, u32 dst,
-                                    int dst_len, struct fib_info *fi,
-                                    u8 tos, u8 type, u32 tb_id)
+                                    int dst_len, struct fib_alias *fa)
 {
         struct fib_entry_notifier_info info = {
                 .dst = dst,
                 .dst_len = dst_len,
-                .fi = fi,
-                .tos = tos,
-                .type = type,
-                .tb_id = tb_id,
+                .fi = fa->fa_info,
+                .tos = fa->fa_tos,
+                .type = fa->fa_type,
+                .tb_id = fa->tb_id,
         };
         return call_fib4_notifiers(net, event_type, &info.info);
 }
@@ -1216,9 +1214,7 @@ int fib_table_insert(struct net *net, struct fib_table *tb,
                         new_fa->fa_default = -1;
 
                         call_fib_entry_notifiers(net, FIB_EVENT_ENTRY_REPLACE,
-                                                 key, plen, fi,
-                                                 new_fa->fa_tos, cfg->fc_type,
-                                                 tb->tb_id);
+                                                 key, plen, new_fa);
                         rtmsg_fib(RTM_NEWROUTE, htonl(key), new_fa, plen,
                                   tb->tb_id, &cfg->fc_nlinfo, nlflags);
 
@@ -1273,8 +1269,7 @@ int fib_table_insert(struct net *net, struct fib_table *tb,
                 tb->tb_num_default++;
 
         rt_cache_flush(cfg->fc_nlinfo.nl_net);
-        call_fib_entry_notifiers(net, event, key, plen, fi, tos, cfg->fc_type,
-                                 tb->tb_id);
+        call_fib_entry_notifiers(net, event, key, plen, new_fa);
         rtmsg_fib(RTM_NEWROUTE, htonl(key), new_fa, plen, new_fa->tb_id,
                   &cfg->fc_nlinfo, nlflags);
 succeeded:
@@ -1574,8 +1569,7 @@ int fib_table_delete(struct net *net, struct fib_table *tb,
                 return -ESRCH;
 
         call_fib_entry_notifiers(net, FIB_EVENT_ENTRY_DEL, key, plen,
-                                 fa_to_delete->fa_info, tos,
-                                 fa_to_delete->fa_type, tb->tb_id);
+                                 fa_to_delete);
         rtmsg_fib(RTM_DELROUTE, htonl(key), fa_to_delete, plen, tb->tb_id,
                   &cfg->fc_nlinfo, 0);
 
@@ -1892,9 +1886,7 @@ int fib_table_flush(struct net *net, struct fib_table *tb)
 
                         call_fib_entry_notifiers(net, FIB_EVENT_ENTRY_DEL,
                                                  n->key,
-                                                 KEYLENGTH - fa->fa_slen,
-                                                 fi, fa->fa_tos, fa->fa_type,
-                                                 tb->tb_id);
+                                                 KEYLENGTH - fa->fa_slen, fa);
                         hlist_del_rcu(&fa->fa_list);
                         fib_release_info(fa->fa_info);
                         alias_free_mem_rcu(fa);
@@ -1932,8 +1924,7 @@ static void fib_leaf_notify(struct net *net, struct key_vector *l,
                         continue;
 
                 call_fib_entry_notifier(nb, net, FIB_EVENT_ENTRY_ADD, l->key,
-                                        KEYLENGTH - fa->fa_slen, fi, fa->fa_tos,
-                                        fa->fa_type, fa->tb_id);
+                                        KEYLENGTH - fa->fa_slen, fa);
         }
 }