diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0315-usb-gadget-ethernet-Re-enable-Jumbo-frames.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.14/950-0315-usb-gadget-ethernet-Re-enable-Jumbo-frames.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0315-usb-gadget-ethernet-Re-enable-Jumbo-frames.patch b/target/linux/brcm2708/patches-4.14/950-0315-usb-gadget-ethernet-Re-enable-Jumbo-frames.patch new file mode 100644 index 0000000000..6442338a6c --- /dev/null +++ b/target/linux/brcm2708/patches-4.14/950-0315-usb-gadget-ethernet-Re-enable-Jumbo-frames.patch @@ -0,0 +1,31 @@ +From 1810e953fd59ebb674c292a13eff8d56c88e1c7e Mon Sep 17 00:00:00 2001 +From: John Greb <h3x4m3r0n@gmail.com> +Date: Sun, 6 May 2018 20:01:57 +0000 +Subject: [PATCH 315/454] usb: gadget ethernet: Re-enable Jumbo frames. + +Commit <eea52743eb5654ec6f52b0e8b4aefec952543697> upstream + +Fixes: <b3e3893e1253> ("net: use core MTU range checking") +which patched only one of two functions used to setup the +USB Gadget Ethernet driver, causing a serious performance +regression in the ability to increase mtu size above 1500. + +Signed-off-by: John Greb <h3x4m3r0n@gmail.com> +Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> +--- + drivers/usb/gadget/function/u_ether.c | 4 ++++ + 1 file changed, 4 insertions(+) + +--- a/drivers/usb/gadget/function/u_ether.c ++++ b/drivers/usb/gadget/function/u_ether.c +@@ -848,6 +848,10 @@ struct net_device *gether_setup_name_def + net->ethtool_ops = &ops; + SET_NETDEV_DEVTYPE(net, &gadget_type); + ++ /* MTU range: 14 - 15412 */ ++ net->min_mtu = ETH_HLEN; ++ net->max_mtu = GETHER_MAX_ETH_FRAME_LEN; ++ + return net; + } + EXPORT_SYMBOL_GPL(gether_setup_name_default); |