From a5cc5dda39b4fb77198e47699121e61a7f0f663e Mon Sep 17 00:00:00 2001
From: Yotam Gigi <yotamg@mellanox.com>
Date: Tue, 4 Oct 2016 09:46:05 +0200
Subject: [PATCH] mlxsw: switchx2: Fix misuse of hard_header_len
commit 251d41c58b765f00d73b1b4230cad256e25f2735 upstream.
In order to specify that the mlxsw switchx2 driver needs additional
headroom for packets, there have been use of the hard_header_len field of
the netdevice struct.
This commit changes that to use needed_headroom instead, as this is the
correct way to do that.
Fixes: 31557f0f9755 ("mlxsw: Introduce Mellanox SwitchX-2 ASIC support")
Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
Acked-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/mellanox/mlxsw/switchx2.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
index fb2d9a82ce3d..879c1676eb9a 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
@@ -993,7 +993,7 @@ static int mlxsw_sx_port_create(struct mlxsw_sx *mlxsw_sx, u8 local_port)
/* Each packet needs to have a Tx header (metadata) on top all other
* headers.
*/
- dev->hard_header_len += MLXSW_TXHDR_LEN;
+ dev->needed_headroom = MLXSW_TXHDR_LEN;
err = mlxsw_sx_port_module_check(mlxsw_sx_port, &usable);
if (err) {