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Diffstat (limited to 'net/ipv6/ip6_input.c')
-rw-r--r--net/ipv6/ip6_input.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index c7ed2b6d5a1d..b50b1af1f530 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>
@@ -47,6 +48,8 @@
#include <net/inet_ecn.h>
#include <net/dst_metadata.h>
+INDIRECT_CALLABLE_DECLARE(void udp_v6_early_demux(struct sk_buff *));
+INDIRECT_CALLABLE_DECLARE(void tcp_v6_early_demux(struct sk_buff *));
static void ip6_rcv_finish_core(struct net *net, struct sock *sk,
struct sk_buff *skb)
{
@@ -57,7 +60,8 @@ static void ip6_rcv_finish_core(struct net *net, struct sock *sk,
ipprot = rcu_dereference(inet6_protos[ipv6_hdr(skb)->nexthdr]);
if (ipprot && (edemux = READ_ONCE(ipprot->early_demux)))
- edemux(skb);
+ INDIRECT_CALL_2(edemux, tcp_v6_early_demux,
+ udp_v6_early_demux, skb);
}
if (!skb_valid_dst(skb))
ip6_route_input(skb);
@@ -316,6 +320,9 @@ 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 +398,8 @@ 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