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path: root/drivers/net/usb/sierra_net.c
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Diffstat (limited to 'drivers/net/usb/sierra_net.c')
-rw-r--r--drivers/net/usb/sierra_net.c79
1 files changed, 21 insertions, 58 deletions
diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c
index d75d1f56bec..c27d27701ae 100644
--- a/drivers/net/usb/sierra_net.c
+++ b/drivers/net/usb/sierra_net.c
@@ -68,16 +68,8 @@ static atomic_t iface_counter = ATOMIC_INIT(0);
*/
#define SIERRA_NET_USBCTL_BUF_LEN 1024
-/* list of interface numbers - used for constructing interface lists */
-struct sierra_net_iface_info {
- const u32 infolen; /* number of interface numbers on list */
- const u8 *ifaceinfo; /* pointer to the array holding the numbers */
-};
-
-struct sierra_net_info_data {
- u16 rx_urb_size;
- struct sierra_net_iface_info whitelist;
-};
+/* Overriding the default usbnet rx_urb_size */
+#define SIERRA_NET_RX_URB_SIZE (8 * 1024)
/* Private data structure */
struct sierra_net_data {
@@ -567,7 +559,7 @@ static void sierra_net_defer_kevent(struct usbnet *dev, int work)
/*
* Sync Retransmit Timer Handler. On expiry, kick the work queue
*/
-void sierra_sync_timer(unsigned long syncdata)
+static void sierra_sync_timer(unsigned long syncdata)
{
struct usbnet *dev = (struct usbnet *)syncdata;
@@ -637,21 +629,6 @@ static int sierra_net_change_mtu(struct net_device *net, int new_mtu)
return usbnet_change_mtu(net, new_mtu);
}
-static int is_whitelisted(const u8 ifnum,
- const struct sierra_net_iface_info *whitelist)
-{
- if (whitelist) {
- const u8 *list = whitelist->ifaceinfo;
- int i;
-
- for (i = 0; i < whitelist->infolen; i++) {
- if (list[i] == ifnum)
- return 1;
- }
- }
- return 0;
-}
-
static int sierra_net_get_fw_attr(struct usbnet *dev, u16 *datap)
{
int result = 0;
@@ -678,7 +655,7 @@ static int sierra_net_get_fw_attr(struct usbnet *dev, u16 *datap)
return -EIO;
}
- *datap = *attrdata;
+ *datap = le16_to_cpu(*attrdata);
kfree(attrdata);
return result;
@@ -700,17 +677,9 @@ static int sierra_net_bind(struct usbnet *dev, struct usb_interface *intf)
static const u8 shdwn_tmplate[sizeof(priv->shdwn_msg)] = {
0x00, 0x00, SIERRA_NET_HIP_SHUTD_ID, 0x00};
- struct sierra_net_info_data *data =
- (struct sierra_net_info_data *)dev->driver_info->data;
-
dev_dbg(&dev->udev->dev, "%s", __func__);
ifacenum = intf->cur_altsetting->desc.bInterfaceNumber;
- /* We only accept certain interfaces */
- if (!is_whitelisted(ifacenum, &data->whitelist)) {
- dev_dbg(&dev->udev->dev, "Ignoring interface: %d", ifacenum);
- return -ENODEV;
- }
numendpoints = intf->cur_altsetting->desc.bNumEndpoints;
/* We have three endpoints, bulk in and out, and a status */
if (numendpoints != 3) {
@@ -752,9 +721,9 @@ static int sierra_net_bind(struct usbnet *dev, struct usb_interface *intf)
sierra_net_set_ctx_index(priv, 0);
/* decrease the rx_urb_size and max_tx_size to 4k on USB 1.1 */
- dev->rx_urb_size = data->rx_urb_size;
+ dev->rx_urb_size = SIERRA_NET_RX_URB_SIZE;
if (dev->udev->speed != USB_SPEED_HIGH)
- dev->rx_urb_size = min_t(size_t, 4096, data->rx_urb_size);
+ dev->rx_urb_size = min_t(size_t, 4096, SIERRA_NET_RX_URB_SIZE);
dev->net->hard_header_len += SIERRA_NET_HIP_EXT_HDR_LEN;
dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
@@ -869,7 +838,7 @@ static int sierra_net_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
netdev_err(dev->net, "HIP/ETH: Invalid pkt\n");
dev->net->stats.rx_frame_errors++;
- /* dev->net->stats.rx_errors incremented by caller */;
+ /* dev->net->stats.rx_errors incremented by caller */
return 0;
}
@@ -893,8 +862,8 @@ static int sierra_net_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
}
/* ---------------------------- Transmit data path ----------------------*/
-struct sk_buff *sierra_net_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
- gfp_t flags)
+static struct sk_buff *sierra_net_tx_fixup(struct usbnet *dev,
+ struct sk_buff *skb, gfp_t flags)
{
struct sierra_net_data *priv = sierra_net_get_private(dev);
u16 len;
@@ -945,15 +914,6 @@ struct sk_buff *sierra_net_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
return NULL;
}
-static const u8 sierra_net_ifnum_list[] = { 7, 10, 11 };
-static const struct sierra_net_info_data sierra_net_info_data_direct_ip = {
- .rx_urb_size = 8 * 1024,
- .whitelist = {
- .infolen = ARRAY_SIZE(sierra_net_ifnum_list),
- .ifaceinfo = sierra_net_ifnum_list
- }
-};
-
static const struct driver_info sierra_net_info_direct_ip = {
.description = "Sierra Wireless USB-to-WWAN Modem",
.flags = FLAG_WWAN | FLAG_SEND_ZLP,
@@ -962,18 +922,21 @@ static const struct driver_info sierra_net_info_direct_ip = {
.status = sierra_net_status,
.rx_fixup = sierra_net_rx_fixup,
.tx_fixup = sierra_net_tx_fixup,
- .data = (unsigned long)&sierra_net_info_data_direct_ip,
};
+#define DIRECT_IP_DEVICE(vend, prod) \
+ {USB_DEVICE_INTERFACE_NUMBER(vend, prod, 7), \
+ .driver_info = (unsigned long)&sierra_net_info_direct_ip}, \
+ {USB_DEVICE_INTERFACE_NUMBER(vend, prod, 10), \
+ .driver_info = (unsigned long)&sierra_net_info_direct_ip}, \
+ {USB_DEVICE_INTERFACE_NUMBER(vend, prod, 11), \
+ .driver_info = (unsigned long)&sierra_net_info_direct_ip}
+
static const struct usb_device_id products[] = {
- {USB_DEVICE(0x1199, 0x68A3), /* Sierra Wireless USB-to-WWAN modem */
- .driver_info = (unsigned long) &sierra_net_info_direct_ip},
- {USB_DEVICE(0x0F3D, 0x68A3), /* AT&T Direct IP modem */
- .driver_info = (unsigned long) &sierra_net_info_direct_ip},
- {USB_DEVICE(0x1199, 0x68AA), /* Sierra Wireless Direct IP LTE modem */
- .driver_info = (unsigned long) &sierra_net_info_direct_ip},
- {USB_DEVICE(0x0F3D, 0x68AA), /* AT&T Direct IP LTE modem */
- .driver_info = (unsigned long) &sierra_net_info_direct_ip},
+ DIRECT_IP_DEVICE(0x1199, 0x68A3), /* Sierra Wireless USB-to-WWAN modem */
+ DIRECT_IP_DEVICE(0x0F3D, 0x68A3), /* AT&T Direct IP modem */
+ DIRECT_IP_DEVICE(0x1199, 0x68AA), /* Sierra Wireless Direct IP LTE modem */
+ DIRECT_IP_DEVICE(0x0F3D, 0x68AA), /* AT&T Direct IP LTE modem */
{}, /* last item */
};