diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0158-smsx95xx-Add-option-to-disable-the-crimes-against-tr.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0158-smsx95xx-Add-option-to-disable-the-crimes-against-tr.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0158-smsx95xx-Add-option-to-disable-the-crimes-against-tr.patch b/target/linux/brcm2708/patches-4.4/0158-smsx95xx-Add-option-to-disable-the-crimes-against-tr.patch new file mode 100644 index 0000000000..9a9563e046 --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0158-smsx95xx-Add-option-to-disable-the-crimes-against-tr.patch @@ -0,0 +1,44 @@ +From 6c5578bc1a55f862aaac3ad6e1826a0de32f4734 Mon Sep 17 00:00:00 2001 +From: popcornmix <popcornmix@gmail.com> +Date: Wed, 20 Jan 2016 17:50:09 +0000 +Subject: [PATCH 158/304] smsx95xx: Add option to disable the crimes against + truesize fix + +It may improve iperf numbers on Pi 1, but may generate dmesg warnings and possibly cause network issues +See issue 1248. +--- + drivers/net/usb/smsc95xx.c | 8 ++++++++ + 1 file changed, 8 insertions(+) + mode change 100755 => 100644 drivers/net/usb/smsc95xx.c + +--- a/drivers/net/usb/smsc95xx.c ++++ b/drivers/net/usb/smsc95xx.c +@@ -75,6 +75,10 @@ static bool turbo_mode = false; + module_param(turbo_mode, bool, 0644); + MODULE_PARM_DESC(turbo_mode, "Enable multiple frames per Rx transaction"); + ++static bool truesize_mode = false; ++module_param(truesize_mode, bool, 0644); ++MODULE_PARM_DESC(truesize_mode, "Report larger truesize value"); ++ + static char *macaddr = ":"; + module_param(macaddr, charp, 0); + MODULE_PARM_DESC(macaddr, "MAC address"); +@@ -1841,6 +1845,8 @@ static int smsc95xx_rx_fixup(struct usbn + if (dev->net->features & NETIF_F_RXCSUM) + smsc95xx_rx_csum_offload(skb); + skb_trim(skb, skb->len - 4); /* remove fcs */ ++ if (truesize_mode) ++ skb->truesize = size + sizeof(struct sk_buff); + + return 1; + } +@@ -1858,6 +1864,8 @@ static int smsc95xx_rx_fixup(struct usbn + if (dev->net->features & NETIF_F_RXCSUM) + smsc95xx_rx_csum_offload(ax_skb); + skb_trim(ax_skb, ax_skb->len - 4); /* remove fcs */ ++ if (truesize_mode) ++ ax_skb->truesize = size + sizeof(struct sk_buff); + + usbnet_skb_return(dev, ax_skb); + } |