diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0265-net-lan78xx-Allow-for-VLAN-headers-in-timeout.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.14/950-0265-net-lan78xx-Allow-for-VLAN-headers-in-timeout.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0265-net-lan78xx-Allow-for-VLAN-headers-in-timeout.patch b/target/linux/brcm2708/patches-4.14/950-0265-net-lan78xx-Allow-for-VLAN-headers-in-timeout.patch new file mode 100644 index 0000000000..46f8938e04 --- /dev/null +++ b/target/linux/brcm2708/patches-4.14/950-0265-net-lan78xx-Allow-for-VLAN-headers-in-timeout.patch @@ -0,0 +1,38 @@ +From 50340b55bb7af7c12259d3bce5da6ba969c58e00 Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.org> +Date: Wed, 4 Apr 2018 16:34:24 +0100 +Subject: [PATCH 265/454] net: lan78xx: Allow for VLAN headers in timeout. + +The frame abort timeout being set by lan78xx_set_rx_max_frame_length +didn't account for any VLAN headers, resulting in very low +throughput if used with tagged VLANs. +Use VLAN_ETH_HLEN instead of ETH_HLEN to correct for this. + +See https://github.com/raspberrypi/linux/issues/2458 + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> +--- + drivers/net/usb/lan78xx.c | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +--- a/drivers/net/usb/lan78xx.c ++++ b/drivers/net/usb/lan78xx.c +@@ -2194,7 +2194,7 @@ static int lan78xx_change_mtu(struct net + if ((ll_mtu % dev->maxpacket) == 0) + return -EDOM; + +- ret = lan78xx_set_rx_max_frame_length(dev, new_mtu + ETH_HLEN); ++ ret = lan78xx_set_rx_max_frame_length(dev, new_mtu + VLAN_ETH_HLEN); + + netdev->mtu = new_mtu; + +@@ -2483,7 +2483,8 @@ static int lan78xx_reset(struct lan78xx_ + buf |= FCT_TX_CTL_EN_; + ret = lan78xx_write_reg(dev, FCT_TX_CTL, buf); + +- ret = lan78xx_set_rx_max_frame_length(dev, dev->net->mtu + ETH_HLEN); ++ ret = lan78xx_set_rx_max_frame_length(dev, ++ dev->net->mtu + VLAN_ETH_HLEN); + + ret = lan78xx_read_reg(dev, MAC_RX, &buf); + buf |= MAC_RX_RXEN_; |