[PATCH RFC v2 3/5] xfrm: Allow to use the layer2 IPsec GSO codepath for software crypto.

[Steffen Klassert]

We now have support for asynchronous crypto operations in the layer 2 TX
path. This was the missing part to allow the GSO codepath for software
crypto, so allow this codepath now.

Signed-off-by: Steffen Klassert <steffen.klass...@secunet.com>
---
 net/xfrm/xfrm_device.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
index 3f91ccffbcc8..03f2bc61f1fc 100644
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -202,8 +202,8 @@ bool xfrm_dev_offload_ok(struct sk_buff *skb, struct 
xfrm_state *x)
        if (!x->type_offload || x->encap)
                return false;
 
-       if ((x->xso.offload_handle && (dev == xfrm_dst_path(dst)->dev)) &&
-            !xdst->child->xfrm && x->type->get_mtu) {
+       if ((!dev || (x->xso.offload_handle && (dev == 
xfrm_dst_path(dst)->dev))) &&
+            (!xdst->child->xfrm && x->type->get_mtu)) {
                mtu = x->type->get_mtu(x, xdst->child_mtu_cached);
 
                if (skb->len <= mtu)
-- 
2.14.1