diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0359-net-lan78xx-fix-rx-handling-before-first-packet-is-s.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.14/950-0359-net-lan78xx-fix-rx-handling-before-first-packet-is-s.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0359-net-lan78xx-fix-rx-handling-before-first-packet-is-s.patch b/target/linux/brcm2708/patches-4.14/950-0359-net-lan78xx-fix-rx-handling-before-first-packet-is-s.patch new file mode 100644 index 0000000000..1acda73f3a --- /dev/null +++ b/target/linux/brcm2708/patches-4.14/950-0359-net-lan78xx-fix-rx-handling-before-first-packet-is-s.patch @@ -0,0 +1,30 @@ +From 213fa517424f4d1c83e7cf486c0f113bd874c32c Mon Sep 17 00:00:00 2001 +From: Stefan Wahren <stefan.wahren@i2se.com> +Date: Mon, 16 Jul 2018 21:33:40 +0200 +Subject: [PATCH 359/454] net: lan78xx: fix rx handling before first packet is + send + +As long the bh tasklet isn't scheduled once, no packet from the rx path +will be handled. Since the tx path also schedule the same tasklet +this situation only persits until the first packet transmission. +So fix this issue by scheduling the tasklet during ndo_open like in usbnet. + +Link: https://github.com/raspberrypi/linux/issues/2617 +Fixes: 55d7de9de6c3 ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet") +Suggested-by: Floris Bos <bos@je-eigen-domein.nl> +Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> +--- + drivers/net/usb/lan78xx.c | 2 ++ + 1 file changed, 2 insertions(+) + +--- a/drivers/net/usb/lan78xx.c ++++ b/drivers/net/usb/lan78xx.c +@@ -2585,6 +2585,8 @@ static int lan78xx_open(struct net_devic + + dev->link_on = false; + ++ tasklet_schedule(&dev->bh); ++ + lan78xx_defer_kevent(dev, EVENT_LINK_RESET); + done: + usb_autopm_put_interface(dev->intf); |