rps: Infrastructure in __skb_get_rxhash for deep inspection
Basics for looking for ports in encapsulated packets in tunnels.
Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/dev.c b/net/core/dev.c
index e485cb3..4bee9a9 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -133,6 +133,7 @@
#include <linux/pci.h>
#include <linux/inetdevice.h>
#include <linux/cpu_rmap.h>
+#include <linux/if_tunnel.h>
#include "net-sysfs.h"
@@ -2539,6 +2540,7 @@
nhoff = skb_network_offset(skb);
proto = skb->protocol;
+again:
switch (proto) {
case __constant_htons(ETH_P_IP):
if (!pskb_may_pull(skb, sizeof(*ip) + nhoff))
@@ -2567,6 +2569,11 @@
goto done;
}
+ switch (ip_proto) {
+ default:
+ break;
+ }
+
ports.v32 = 0;
poff = proto_ports_offset(ip_proto);
if (poff >= 0) {