diff options
| author | Brian Vazquez <brianvv@google.com> | 2021-02-01 17:41:32 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-02-03 14:51:40 -0800 |
| commit | bbd807dfbf20506f5548b0297c430a09326e7c4b (patch) | |
| tree | cb2a2d1c678a1b3546d119d6b3a32ebb8ec7818e /net/core | |
| parent | f67fbeaebdc0356e0cbc94f4b099f45ebe174b02 (diff) | |
| download | linux-bbd807dfbf20506f5548b0297c430a09326e7c4b.tar.bz2 | |
net: indirect call helpers for ipv4/ipv6 dst_check functions
This patch avoids the indirect call for the common case:
ip6_dst_check and ipv4_dst_check
Signed-off-by: Brian Vazquez <brianvv@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/sock.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index 648a5cb46209..0ed98f20448a 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -526,11 +526,17 @@ discard_and_relse: } EXPORT_SYMBOL(__sk_receive_skb); +INDIRECT_CALLABLE_DECLARE(struct dst_entry *ip6_dst_check(struct dst_entry *, + u32)); +INDIRECT_CALLABLE_DECLARE(struct dst_entry *ipv4_dst_check(struct dst_entry *, + u32)); struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie) { struct dst_entry *dst = __sk_dst_get(sk); - if (dst && dst->obsolete && dst->ops->check(dst, cookie) == NULL) { + if (dst && dst->obsolete && + INDIRECT_CALL_INET(dst->ops->check, ip6_dst_check, ipv4_dst_check, + dst, cookie) == NULL) { sk_tx_queue_clear(sk); sk->sk_dst_pending_confirm = 0; RCU_INIT_POINTER(sk->sk_dst_cache, NULL); @@ -546,7 +552,9 @@ struct dst_entry *sk_dst_check(struct sock *sk, u32 cookie) { struct dst_entry *dst = sk_dst_get(sk); - if (dst && dst->obsolete && dst->ops->check(dst, cookie) == NULL) { + if (dst && dst->obsolete && + INDIRECT_CALL_INET(dst->ops->check, ip6_dst_check, ipv4_dst_check, + dst, cookie) == NULL) { sk_dst_reset(sk); dst_release(dst); return NULL; |