This is a note to let you know that I've just added the patch titled
net: ag71xx: remove unnecessary MTU reservation
to the 5.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-ag71xx-remove-unnecessary-mtu-reservation.patch
and it can be found in the queue-5.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 04b385f325080157ab1b5f8ce1b1de07ce0d9e27 Mon Sep 17 00:00:00 2001
From: DENG Qingfang <dqfext@xxxxxxxxx>
Date: Thu, 18 Feb 2021 11:45:14 +0800
Subject: net: ag71xx: remove unnecessary MTU reservation
From: DENG Qingfang <dqfext@xxxxxxxxx>
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@xxxxxxxxx>
Reviewed-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210218034514.3421-1-dqfext@xxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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
@@ -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 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)
Patches currently in stable-queue which might be from dqfext@xxxxxxxxx are
queue-5.11/net-dsa-tag_rtl4_a-support-also-egress-tags.patch
queue-5.11/net-ag71xx-remove-unnecessary-mtu-reservation.patch
