netdev - [PATCH RFC 4/5] xfrm: Allow IPsec GSO with software crypto for local sockets.

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Message-ID: <20171120073752.29094-5-steffen.klassert@secunet.com>
Date:   Mon, 20 Nov 2017 08:37:51 +0100
From:   Steffen Klassert <steffen.klassert@...unet.com>
To:     <netdev@...r.kernel.org>
CC:     Steffen Klassert <steffen.klassert@...unet.com>
Subject: [PATCH RFC 4/5] 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 76ae5c306776..80b6a1f1290e 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1873,6 +1873,8 @@ static inline bool xfrm_dst_offload_ok(struct dst_entry *dst)
 	if (!x || !x->type_offload)
 		return false;

+	if (!x->xso.offload_handle && !dst->child->xfrm)
+		return true;
 	if (x->xso.offload_handle && (x->xso.dev == dst->path->dev) &&
 	    !dst->child->xfrm)
 		return true;
-- 
2.14.1