[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-ID: <20210310093611.GA5406@moon.secunet.de>
Date: Wed, 10 Mar 2021 10:36:11 +0100
From: Antony Antony <antony.antony@...unet.com>
To: Steffen Klassert <steffen.klassert@...unet.com>
CC: Antony Antony <antony.antony@...unet.com>,
Herbert Xu <herbert@...dor.apana.org.au>,
"David S. Miller" <davem@...emloft.net>,
"Jakub Kicinski" <kuba@...nel.org>,
Yossi Kuperman <yossiku@...lanox.com>,
"Guy Shapiro" <guysh@...lanox.com>, <netdev@...r.kernel.org>,
<antony@...nome.org>
Subject: [PATCH] xfrm: return error when esp offload is requested and not
supported
When ESP offload is not supported by the device return an error,
-EINVAL, instead of silently ignoring it, creating a SA without offload,
and returning success.
with this fix ip x s a would return
RTNETLINK answers: Invalid argument
Also, return an error, -EINVAL, when CONFIG_XFRM_OFFLOAD is
not defined and the user is trying to create an SA with the offload.
Fixes: d77e38e612a0 ("xfrm: Add an IPsec hardware offloading API")
Signed-off-by: Antony Antony <antony.antony@...unet.com>
---
include/net/xfrm.h | 2 +-
net/xfrm/xfrm_device.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index bfbc7810df94..05d9f178093c 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1914,7 +1914,7 @@ static inline struct sk_buff *validate_xmit_xfrm(struct sk_buff *skb, netdev_fea
static inline int xfrm_dev_state_add(struct net *net, struct xfrm_state *x, struct xfrm_user_offload *xuo)
{
- return 0;
+ return -EINVAL;
}
static inline void xfrm_dev_state_delete(struct xfrm_state *x)
diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
index edf11893dbe8..1e1a9493c8db 100644
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -250,7 +250,7 @@ int xfrm_dev_state_add(struct net *net, struct xfrm_state *x,
if (!dev->xfrmdev_ops || !dev->xfrmdev_ops->xdo_dev_state_add) {
xso->dev = NULL;
dev_put(dev);
- return 0;
+ return -EINVAL;
}
if (x->props.flags & XFRM_STATE_ESN &&
--
2.20.1
Powered by blists - more mailing lists