ipv6: Call skb_get_hash_flowi6 to get skb->hash in ip6_make_flowlabel

We can't call skb_get_hash here since the packet is not complete to do
flow_dissector. Create hash based on flowi6 instead.

Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 2 deletions

diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index eecdfc92f807..3e334b33ef3a 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -708,12 +708,13 @@ static inline void iph_to_flow_copy_v6addrs(struct flow_keys *flow,
 
 #if IS_ENABLED(CONFIG_IPV6)
 static inline __be32 ip6_make_flowlabel(struct net *net, struct sk_buff *skb,
-                                        __be32 flowlabel, bool autolabel)
+                                        __be32 flowlabel, bool autolabel,
+                                        struct flowi6 *fl6)
 {
         if (!flowlabel && (autolabel || net->ipv6.sysctl.auto_flowlabels)) {
                 u32 hash;
 
-                hash = skb_get_hash(skb);
+                hash = skb_get_hash_flowi6(skb, fl6);
 
                 /* Since this is being sent on the wire obfuscate hash a bit
                  * to minimize possbility that any useful information to an