43 lines
1.6 KiB
Diff
43 lines
1.6 KiB
Diff
From 13d40fc43b9c2e3bdf4be8f8166a28ca1c5bdc34 Mon Sep 17 00:00:00 2001
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From: Sam Nazarko <email@samnazarko.co.uk>
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Date: Fri, 1 Apr 2016 17:27:21 +0100
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Subject: [PATCH] add smsc95xx packetsize module_param
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Signed-off-by: Sam Nazarko <email@samnazarko.co.uk>
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---
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drivers/net/usb/smsc95xx.c | 14 +++++++++-----
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1 file changed, 9 insertions(+), 5 deletions(-)
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--- a/drivers/net/usb/smsc95xx.c
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+++ b/drivers/net/usb/smsc95xx.c
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@@ -83,6 +83,10 @@ static char *macaddr = ":";
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module_param(macaddr, charp, 0);
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MODULE_PARM_DESC(macaddr, "MAC address");
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+static int packetsize = 0;
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+module_param(packetsize, int, 0644);
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+MODULE_PARM_DESC(packetsize, "Override the RX URB packet size");
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+
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static int __must_check __smsc95xx_read_reg(struct usbnet *dev, u32 index,
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u32 *data, int in_pm)
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{
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@@ -1009,13 +1013,13 @@ static int smsc95xx_reset(struct usbnet
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if (!turbo_mode) {
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burst_cap = 0;
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- dev->rx_urb_size = MAX_SINGLE_PACKET_SIZE;
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+ dev->rx_urb_size = packetsize ? packetsize : MAX_SINGLE_PACKET_SIZE;
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} else if (dev->udev->speed == USB_SPEED_HIGH) {
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- burst_cap = DEFAULT_HS_BURST_CAP_SIZE / HS_USB_PKT_SIZE;
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- dev->rx_urb_size = DEFAULT_HS_BURST_CAP_SIZE;
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+ dev->rx_urb_size = packetsize ? packetsize : DEFAULT_HS_BURST_CAP_SIZE;
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+ burst_cap = dev->rx_urb_size / HS_USB_PKT_SIZE;
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} else {
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- burst_cap = DEFAULT_FS_BURST_CAP_SIZE / FS_USB_PKT_SIZE;
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- dev->rx_urb_size = DEFAULT_FS_BURST_CAP_SIZE;
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+ dev->rx_urb_size = packetsize ? packetsize : DEFAULT_FS_BURST_CAP_SIZE;
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+ burst_cap = dev->rx_urb_size / FS_USB_PKT_SIZE;
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}
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netif_dbg(dev, ifup, dev->net, "rx_urb_size=%ld\n",
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