6e28b000825d ("net: Fix vti use case with oif in dst lookups for IPv6")
is missing the checks on FLOWI_FLAG_SKIP_NH_OIF. Add them.
Fixes: 42a7b32b73d6 ("xfrm: Add oif to dst lookups")
Cc: Steffen Klassert <[email protected]>
Signed-off-by: David Ahern <[email protected]>
---
This is needed for net in 4.3. 6e28b000825d was mistakenly created on
top of the VRF patches which had this change. Steffen has confirmed
VTI6 works with this change.
net/ipv6/ip6_output.c | 3 ++-
net/ipv6/route.c | 3 +++
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 61d403ee1031..d03d6da772f3 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -877,7 +877,8 @@ static struct dst_entry *ip6_sk_dst_check(struct sock *sk,
#ifdef CONFIG_IPV6_SUBTREES
ip6_rt_check(&rt->rt6i_src, &fl6->saddr, np->saddr_cache) ||
#endif
- (fl6->flowi6_oif && fl6->flowi6_oif != dst->dev->ifindex)) {
+ (!(fl6->flowi6_flags & FLOWI_FLAG_SKIP_NH_OIF) &&
+ (fl6->flowi6_oif && fl6->flowi6_oif != dst->dev->ifindex))) {
dst_release(dst);
dst = NULL;
}
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 968f31c01f89..be5d2879b5d8 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1068,6 +1068,9 @@ static struct rt6_info *ip6_pol_route(struct net *net,
struct fib6_table *table,
fn = fib6_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr);
saved_fn = fn;
+ if (fl6->flowi6_flags & FLOWI_FLAG_SKIP_NH_OIF)
+ oif = 0;
+
redo_rt6_select:
rt = rt6_select(fn, oif, strict);
if (rt->rt6i_nsiblings)
--
1.9.1
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