netdev - [PATCH 4/9] xfrm: Allow IPsec GSO with software crypto for local sockets.

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Message-ID: <20171222112439.12476-5-steffen.klassert@secunet.com>
Date:   Fri, 22 Dec 2017 12:24:34 +0100
From:   Steffen Klassert <steffen.klassert@...unet.com>
To:     David Miller <davem@...emloft.net>
CC:     Herbert Xu <herbert@...dor.apana.org.au>,
        Steffen Klassert <steffen.klassert@...unet.com>,
        <netdev@...r.kernel.org>
Subject: [PATCH 4/9] xfrm: Allow IPsec GSO with software crypto for local sockets.

With support of async crypto operations in the GSO codepath
we have everything in place to allow GSO for local sockets.
This patch enables the GSO codepath.

Signed-off-by: Steffen Klassert <steffen.klassert@...unet.com>
---
 include/net/xfrm.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 2517c4f7781a..357764a2bb4e 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1910,6 +1910,8 @@ static inline bool xfrm_dst_offload_ok(struct dst_entry *dst)
 		return false;
 
 	xdst = (struct xfrm_dst *) dst;
+	if (!x->xso.offload_handle && !xdst->child->xfrm)
+		return true;
 	if (x->xso.offload_handle && (x->xso.dev == xfrm_dst_path(dst)->dev) &&
 	    !xdst->child->xfrm)
 		return true;
-- 
2.14.1