netdev - [patch net 1/2] mlxsw: spectrum: Fix misuse of hard_header

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Message-Id: <1475567165-3362-2-git-send-email-jiri@resnulli.us>
Date:   Tue,  4 Oct 2016 09:46:04 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, yotamg@...lanox.com, idosch@...lanox.com,
        eladr@...lanox.com, nogahf@...lanox.com, ogerlitz@...lanox.com
Subject: [patch net 1/2] mlxsw: spectrum: Fix misuse of hard_header_len

From: Yotam Gigi <yotamg@...lanox.com>

In order to specify that the mlxsw spectrum 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: 56ade8fe3fe1 ("mlxsw: spectrum: Add initial support for Spectrum ASIC")
Signed-off-by: Yotam Gigi <yotamg@...lanox.com>
Acked-by: Ido Schimmel <idosch@...lanox.com>
Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index d48873b..f3ef588 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -2129,7 +2129,7 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, 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_sp_port_system_port_mapping_set(mlxsw_sp_port);
 	if (err) {
-- 
2.5.5