target/linux/brcm2708/patches-4.9/950-0002-smsc95xx-Experimental-Enable-turbo_mode-and-packetsi.patch

   1 From 8272cd893c3bca2f047dcf06ae11d9ada6d26f33 Mon Sep 17 00:00:00 2001
   2 From: Sam Nazarko <email@samnazarko.co.uk>
   3 Date: Fri, 1 Apr 2016 17:27:21 +0100
   4 Subject: [PATCH] smsc95xx: Experimental: Enable turbo_mode and packetsize=2560
   5  by default
   6
   7 See: http://forum.kodi.tv/showthread.php?tid=285288
   8 ---
   9  drivers/net/usb/smsc95xx.c | 14 +++++++++-----
  10  1 file changed, 9 insertions(+), 5 deletions(-)
  11
  12 --- a/drivers/net/usb/smsc95xx.c
  13 +++ b/drivers/net/usb/smsc95xx.c
  14 @@ -86,6 +86,10 @@ static bool truesize_mode = false;
  15  module_param(truesize_mode, bool, 0644);
  16  MODULE_PARM_DESC(truesize_mode, "Report larger truesize value");
  17
  18 +static int packetsize = 2560;
  19 +module_param(packetsize, int, 0644);
  20 +MODULE_PARM_DESC(packetsize, "Override the RX URB packet size");
  21 +
  22  static int __must_check __smsc95xx_read_reg(struct usbnet *dev, u32 index,
  23                                             u32 *data, int in_pm)
  24  {
  25 @@ -1106,13 +1110,13 @@ static int smsc95xx_reset(struct usbnet
  26
  27         if (!turbo_mode) {
  28                 burst_cap = 0;
  29 -               dev->rx_urb_size = MAX_SINGLE_PACKET_SIZE;
  30 +               dev->rx_urb_size = packetsize ? packetsize : MAX_SINGLE_PACKET_SIZE;
  31         } else if (dev->udev->speed == USB_SPEED_HIGH) {
  32 -               burst_cap = DEFAULT_HS_BURST_CAP_SIZE / HS_USB_PKT_SIZE;
  33 -               dev->rx_urb_size = DEFAULT_HS_BURST_CAP_SIZE;
  34 +               dev->rx_urb_size = packetsize ? packetsize : DEFAULT_HS_BURST_CAP_SIZE;
  35 +               burst_cap = dev->rx_urb_size / HS_USB_PKT_SIZE;
  36         } else {
  37 -               burst_cap = DEFAULT_FS_BURST_CAP_SIZE / FS_USB_PKT_SIZE;
  38 -               dev->rx_urb_size = DEFAULT_FS_BURST_CAP_SIZE;
  39 +               dev->rx_urb_size = packetsize ? packetsize : DEFAULT_FS_BURST_CAP_SIZE;
  40 +               burst_cap = dev->rx_urb_size / FS_USB_PKT_SIZE;
  41         }
  42
  43         netif_dbg(dev, ifup, dev->net, "rx_urb_size=%ld\n",