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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 03:43:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 03:43:31 +0000
commit1327913aeadf5737e7ebf158f93632d6df2eba1d (patch)
tree2ca5c2a3aa381788eca2580f72a2d5c60934b28a /net/ipv6/ip6_input.c
parentAdding upstream version 4.19.260. (diff)
downloadlinux-1327913aeadf5737e7ebf158f93632d6df2eba1d.tar.xz
linux-1327913aeadf5737e7ebf158f93632d6df2eba1d.zip
Adding upstream version 4.19.269.upstream/4.19.269
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/ipv6/ip6_input.c')
-rw-r--r--net/ipv6/ip6_input.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 57d84accb..2bdb03a45 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -47,18 +47,25 @@
#include <net/inet_ecn.h>
#include <net/dst_metadata.h>
+void udp_v6_early_demux(struct sk_buff *);
+void tcp_v6_early_demux(struct sk_buff *);
static void ip6_rcv_finish_core(struct net *net, struct sock *sk,
struct sk_buff *skb)
{
- void (*edemux)(struct sk_buff *skb);
-
- if (net->ipv4.sysctl_ip_early_demux && !skb_dst(skb) && skb->sk == NULL) {
- const struct inet6_protocol *ipprot;
-
- ipprot = rcu_dereference(inet6_protos[ipv6_hdr(skb)->nexthdr]);
- if (ipprot && (edemux = READ_ONCE(ipprot->early_demux)))
- edemux(skb);
+ if (READ_ONCE(net->ipv4.sysctl_ip_early_demux) &&
+ !skb_dst(skb) && !skb->sk) {
+ switch (ipv6_hdr(skb)->nexthdr) {
+ case IPPROTO_TCP:
+ if (READ_ONCE(net->ipv4.sysctl_tcp_early_demux))
+ tcp_v6_early_demux(skb);
+ break;
+ case IPPROTO_UDP:
+ if (READ_ONCE(net->ipv4.sysctl_udp_early_demux))
+ udp_v6_early_demux(skb);
+ break;
+ }
}
+
if (!skb_valid_dst(skb))
ip6_route_input(skb);
}