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author | Paolo Abeni <pabeni@redhat.com> | 2019-05-03 17:01:37 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2019-05-05 10:38:04 -0700 |
commit | 0e219ae48c3bbf382ef96adf3825457315728c03 (patch) | |
tree | caab033dc6fe9c00528d6fc341d53b0b9ce368e5 /net/ipv6/ip6_input.c | |
parent | f5737cbadb7d07c4f71fc5f073ccc7d8d8985a8f (diff) | |
download | linux-stable-0e219ae48c3bbf382ef96adf3825457315728c03.tar.gz linux-stable-0e219ae48c3bbf382ef96adf3825457315728c03.tar.bz2 linux-stable-0e219ae48c3bbf382ef96adf3825457315728c03.zip |
net: use indirect calls helpers for L3 handler hooks
So that we avoid another indirect call per RX packet in the common
case.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_input.c')
-rw-r--r-- | net/ipv6/ip6_input.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index c7ed2b6d5a1d..adf06159837f 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -29,6 +29,7 @@ #include <linux/icmpv6.h> #include <linux/mroute6.h> #include <linux/slab.h> +#include <linux/indirect_call_wrapper.h> #include <linux/netfilter.h> #include <linux/netfilter_ipv6.h> @@ -316,6 +317,9 @@ void ipv6_list_rcv(struct list_head *head, struct packet_type *pt, ip6_sublist_rcv(&sublist, curr_dev, curr_net); } +INDIRECT_CALLABLE_DECLARE(int udpv6_rcv(struct sk_buff *)); +INDIRECT_CALLABLE_DECLARE(int tcp_v6_rcv(struct sk_buff *)); + /* * Deliver the packet to the host */ @@ -391,7 +395,8 @@ resubmit_final: !xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) goto discard; - ret = ipprot->handler(skb); + ret = INDIRECT_CALL_2(ipprot->handler, tcp_v6_rcv, udpv6_rcv, + skb); if (ret > 0) { if (ipprot->flags & INET6_PROTO_FINAL) { /* Not an extension header, most likely UDP |