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fib: use indirect call wrappers in the most common fib_rules_ops

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This avoids another inderect call per RX packet which save us around
20-40 ns.

Changelog:

v1 -> v2:
- Move declaraions to fib_rules.h to remove warnings

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Brian Vazquez <brianvv@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Brian Vazquez
2020-07-26 15:48:16 -07:00
committed by David S. Miller
parent 608b4adab1
commit b9aaec8f0b
4 changed files with 47 additions and 11 deletions
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18
include/net/fib_rules.h
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@@ -10,6 +10,7 @@
#include <net/flow.h>
#include <net/rtnetlink.h>
#include <net/fib_notifier.h>
#include <linux/indirect_call_wrapper.h>
struct fib_kuid_range {
kuid_t start;
@@ -203,4 +204,21 @@ int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr *nlh,
struct netlink_ext_ack *extack);
int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr *nlh,
struct netlink_ext_ack *extack);
INDIRECT_CALLABLE_DECLARE(int fib6_rule_match(struct fib_rule *rule,
struct flowi *fl, int flags));
INDIRECT_CALLABLE_DECLARE(int fib4_rule_match(struct fib_rule *rule,
struct flowi *fl, int flags));
INDIRECT_CALLABLE_DECLARE(int fib6_rule_action(struct fib_rule *rule,
struct flowi *flp, int flags,
struct fib_lookup_arg *arg));
INDIRECT_CALLABLE_DECLARE(int fib4_rule_action(struct fib_rule *rule,
struct flowi *flp, int flags,
struct fib_lookup_arg *arg));
INDIRECT_CALLABLE_DECLARE(bool fib6_rule_suppress(struct fib_rule *rule,
struct fib_lookup_arg *arg));
INDIRECT_CALLABLE_DECLARE(bool fib4_rule_suppress(struct fib_rule *rule,
struct fib_lookup_arg *arg));
#endif