ipv4: Don't store a rule pointer in fib_result.
We only use it to fetch the rule's tclassid, so just store the
tclassid there instead.
This also decreases the size of fib_result by a full 8 bytes on
64-bit. On 32-bits it's a wash.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index e91fedd..5697ace 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -106,12 +106,10 @@
unsigned char nh_sel;
unsigned char type;
unsigned char scope;
+ u32 tclassid;
struct fib_info *fi;
struct fib_table *table;
struct list_head *fa_head;
-#ifdef CONFIG_IP_MULTIPLE_TABLES
- struct fib_rule *r;
-#endif
};
struct fib_result_nl {
@@ -215,10 +213,6 @@
extern int __net_init fib4_rules_init(struct net *net);
extern void __net_exit fib4_rules_exit(struct net *net);
-#ifdef CONFIG_IP_ROUTE_CLASSID
-extern u32 fib_rules_tclass(const struct fib_result *res);
-#endif
-
extern struct fib_table *fib_new_table(struct net *net, u32 id);
extern struct fib_table *fib_get_table(struct net *net, u32 id);
@@ -229,7 +223,7 @@
struct fib_result *res)
{
if (!net->ipv4.fib_has_custom_rules) {
- res->r = NULL;
+ res->tclassid = 0;
if (net->ipv4.fib_local &&
!fib_table_lookup(net->ipv4.fib_local, flp, res,
FIB_LOOKUP_NOREF))
@@ -289,7 +283,7 @@
#endif
*itag = FIB_RES_NH(*res).nh_tclassid<<16;
#ifdef CONFIG_IP_MULTIPLE_TABLES
- rtag = fib_rules_tclass(res);
+ rtag = res->tclassid;
if (*itag == 0)
*itag = (rtag<<16);
*itag |= (rtag>>16);