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authorSteffen Klassert <steffen.klassert@secunet.com>2020-07-17 11:35:32 +0300
committerSteffen Klassert <steffen.klassert@secunet.com>2020-07-21 09:34:44 +0300
commitb328ecc468f8f92433c9ad82675c0ce9f99b10cf (patch)
tree6e74a4c8b50746ebb7a53d40d027081af3d21385 /net/ipv6
parent96a208295040c00c85d022720c10ec1a751b9bdb (diff)
downloadlinux-b328ecc468f8f92433c9ad82675c0ce9f99b10cf.tar.xz
xfrm: Make the policy hold queue work with VTI.
We forgot to support the xfrm policy hold queue when VTI was implemented. This patch adds everything we need so that we can use the policy hold queue together with VTI interfaces. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/ip6_vti.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index 53f12b40528e..f5a4c4a6492b 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -491,13 +491,16 @@ vti6_xmit(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
}
dst_hold(dst);
- dst = xfrm_lookup(t->net, dst, fl, NULL, 0);
+ dst = xfrm_lookup_route(t->net, dst, fl, NULL, 0);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
dst = NULL;
goto tx_err_link_failure;
}
+ if (dst->flags & DST_XFRM_QUEUE)
+ goto queued;
+
x = dst->xfrm;
if (!vti6_state_check(x, &t->parms.raddr, &t->parms.laddr))
goto tx_err_link_failure;
@@ -533,6 +536,7 @@ vti6_xmit(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
goto tx_err_dst_release;
}
+queued:
skb_scrub_packet(skb, !net_eq(t->net, dev_net(dev)));
skb_dst_set(skb, dst);
skb->dev = skb_dst(skb)->dev;