openwrt/target/linux/bcm27xx/patches-5.4/950-0145-lan78xx-use-default-alignment-for-rx-buffers.patch
Álvaro Fernández Rojas 62b7f5931c bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry-picked from commit f07e572f64)
2021-02-19 07:17:21 +01:00

24 lines
784 B
Diff

From c4fb99ee7aac2b979f729d4641d0e22fb5c08cc1 Mon Sep 17 00:00:00 2001
From: P33M <p33m@github.com>
Date: Thu, 2 May 2019 11:53:45 +0100
Subject: [PATCH] lan78xx: use default alignment for rx buffers
The lan78xx uses a 12-byte hardware rx header, so there is no need
to allocate SKBs with NET_IP_ALIGN set. Removes alignment faults
in both dwc_otg and in ipv6 processing.
---
drivers/net/usb/lan78xx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -3169,7 +3169,7 @@ static int rx_submit(struct lan78xx_net
size_t size = dev->rx_urb_size;
int ret = 0;
- skb = netdev_alloc_skb_ip_align(dev->net, size);
+ skb = netdev_alloc_skb(dev->net, size);
if (!skb) {
usb_free_urb(urb);
return -ENOMEM;