From: DENG Qingfang dqfext@gmail.com
commit 04b385f325080157ab1b5f8ce1b1de07ce0d9e27 upstream.
2 bytes of the MTU are reserved for Atheros DSA tag, but DSA core has already handled that since commit dc0fe7d47f9f. Remove the unnecessary reservation.
Fixes: d51b6ce441d3 ("net: ethernet: add ag71xx driver") Signed-off-by: DENG Qingfang dqfext@gmail.com Reviewed-by: Oleksij Rempel o.rempel@pengutronix.de Link: https://lore.kernel.org/r/20210218034514.3421-1-dqfext@gmail.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/atheros/ag71xx.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
--- a/drivers/net/ethernet/atheros/ag71xx.c +++ b/drivers/net/ethernet/atheros/ag71xx.c @@ -222,8 +222,6 @@ #define AG71XX_REG_RX_SM 0x01b0 #define AG71XX_REG_TX_SM 0x01b4
-#define ETH_SWITCH_HEADER_LEN 2 - #define AG71XX_DEFAULT_MSG_ENABLE \ (NETIF_MSG_DRV \ | NETIF_MSG_PROBE \ @@ -784,7 +782,7 @@ static void ag71xx_hw_setup(struct ag71x
static unsigned int ag71xx_max_frame_len(unsigned int mtu) { - return ETH_SWITCH_HEADER_LEN + ETH_HLEN + VLAN_HLEN + mtu + ETH_FCS_LEN; + return ETH_HLEN + VLAN_HLEN + mtu + ETH_FCS_LEN; }
static void ag71xx_hw_set_macaddr(struct ag71xx *ag, unsigned char *mac)