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| author |   DENG Qingfang <dqfext@gmail.com> | 2021-02-18 11:45:14 +0800 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2021-02-22 17:45:25 -0800 |
| commit | 04b385f325080157ab1b5f8ce1b1de07ce0d9e27 (patch) | |
| tree | e213eca1508c3b9056abcde5503238895b0b493d | |
| parent | octeontx2-af: Fix an off by one in rvu_dbg_qsize_write() (diff) | |
| download | linux-dev-04b385f325080157ab1b5f8ce1b1de07ce0d9e27.tar.xz linux-dev-04b385f325080157ab1b5f8ce1b1de07ce0d9e27.zip | |
net: ag71xx: remove unnecessary MTU reservation
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>
| -rw-r--r-- | drivers/net/ethernet/atheros/ag71xx.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/net/ethernet/atheros/ag71xx.c b/drivers/net/ethernet/atheros/ag71xx.c index dd5c8a9038bb..a60ce9030581 100644 --- a/drivers/net/ethernet/atheros/ag71xx.c +++ b/drivers/net/ethernet/atheros/ag71xx.c @@ -223,8 +223,6 @@ #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 \ @@ -933,7 +931,7 @@ static void ag71xx_hw_setup(struct ag71xx *ag) 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) |