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xfrm: Allow to use the layer2 IPsec GSO codepath for software crypto.

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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.klassert@secunet.com>
This commit is contained in:
Steffen Klassert
2017-12-20 10:41:42 +01:00
parent f53c723902
commit 95bff4b580
1 changed files with 2 additions and 2 deletions
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4
net/xfrm/xfrm_device.c
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@@ -202,8 +202,8 @@ bool xfrm_dev_offload_ok(struct sk_buff *skb, struct xfrm_state *x)
if (!x->type_offload || x->encap) if (!x->type_offload || x->encap)
return false; return false;
if ((x->xso.offload_handle && (dev == xfrm_dst_path(dst)->dev)) && if ((!dev || (x->xso.offload_handle && (dev == xfrm_dst_path(dst)->dev))) &&
!xdst->child->xfrm && x->type->get_mtu) { (!xdst->child->xfrm && x->type->get_mtu)) {
mtu = x->type->get_mtu(x, xdst->child_mtu_cached); mtu = x->type->get_mtu(x, xdst->child_mtu_cached);
if (skb->len <= mtu) if (skb->len <= mtu)