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From 3cea4c3fef10a33547949610d9a81ac9950b5be9 Mon Sep 17 00:00:00 2001
From: Sam Nazarko <email@samnazarko.co.uk>
Date: Fri, 1 Apr 2016 17:27:21 +0100
Subject: [PATCH 230/232] add smsc95xx packetsize module_param
Signed-off-by: Sam Nazarko <email@samnazarko.co.uk>
---
drivers/net/usb/smsc95xx.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -83,6 +83,10 @@ static char *macaddr = ":";
module_param(macaddr, charp, 0);
MODULE_PARM_DESC(macaddr, "MAC address");
+static int packetsize = 0;
+module_param(packetsize, int, 0644);
+MODULE_PARM_DESC(packetsize, "Override the RX URB packet size");
+
static int __must_check __smsc95xx_read_reg(struct usbnet *dev, u32 index,
u32 *data, int in_pm)
{
@@ -1006,13 +1010,13 @@ static int smsc95xx_reset(struct usbnet
if (!turbo_mode) {
burst_cap = 0;
- dev->rx_urb_size = MAX_SINGLE_PACKET_SIZE;
+ dev->rx_urb_size = packetsize ? packetsize : MAX_SINGLE_PACKET_SIZE;
} else if (dev->udev->speed == USB_SPEED_HIGH) {
- burst_cap = DEFAULT_HS_BURST_CAP_SIZE / HS_USB_PKT_SIZE;
- dev->rx_urb_size = DEFAULT_HS_BURST_CAP_SIZE;
+ dev->rx_urb_size = packetsize ? packetsize : DEFAULT_HS_BURST_CAP_SIZE;
+ burst_cap = dev->rx_urb_size / HS_USB_PKT_SIZE;
} else {
- burst_cap = DEFAULT_FS_BURST_CAP_SIZE / FS_USB_PKT_SIZE;
- dev->rx_urb_size = DEFAULT_FS_BURST_CAP_SIZE;
+ dev->rx_urb_size = packetsize ? packetsize : DEFAULT_FS_BURST_CAP_SIZE;
+ burst_cap = dev->rx_urb_size / FS_USB_PKT_SIZE;
}
netif_dbg(dev, ifup, dev->net, "rx_urb_size=%ld\n",
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