diff mbox series

[net-next,05/10] xfrm: don't require advance ESN callback for packet offload

Message ID 9f3dfc3fef2cfcd191f0c5eee7cf0aa74e7f7786.1680162300.git.leonro@nvidia.com (mailing list archive)
State Awaiting Upstream
Delegated to: Netdev Maintainers
Headers show
Series Improve IPsec limits, ESN and replay window in mlx5 | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 20 this patch: 20
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 18 this patch: 18
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 20 this patch: 20
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Leon Romanovsky March 30, 2023, 8:02 a.m. UTC 
From: Leon Romanovsky <leonro@nvidia.com>

In packet offload mode, the hardware is responsible to manage
replay window and advance ESN. In that mode, there won't any
call to .xdo_dev_state_advance_esn callback.

So relax current check for existence of that callback.

Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
 net/xfrm/xfrm_device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Steffen Klassert April 5, 2023, 10:38 a.m. UTC | #1 
On Thu, Mar 30, 2023 at 11:02:26AM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@nvidia.com>
> 
> In packet offload mode, the hardware is responsible to manage
> replay window and advance ESN. In that mode, there won't any
> call to .xdo_dev_state_advance_esn callback.
> 
> So relax current check for existence of that callback.
> 
> Reviewed-by: Raed Salem <raeds@nvidia.com>
> Signed-off-by: Leon Romanovsky <leonro@nvidia.com>

Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
diff mbox series

Patch

diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
index 95f1436bf6a2..bef28c6187eb 100644
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -287,7 +287,7 @@  int xfrm_dev_state_add(struct net *net, struct xfrm_state *x,
 		return (is_packet_offload) ? -EINVAL : 0;
 	}
 
-	if (x->props.flags & XFRM_STATE_ESN &&
+	if (!is_packet_offload && x->props.flags & XFRM_STATE_ESN &&
 	    !dev->xfrmdev_ops->xdo_dev_state_advance_esn) {
 		NL_SET_ERR_MSG(extack, "Device doesn't support offload with ESN");
 		xso->dev = NULL;