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Diffstat (limited to 'drivers/net/usb/pegasus.c')
-rw-r--r--drivers/net/usb/pegasus.c125
1 files changed, 61 insertions, 64 deletions
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 974d17f0263e..6710f09346d6 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -21,11 +21,11 @@
* behaves. Pegasus II support added since this version.
* TODO: suppressing HCD warnings spewage on disconnect.
* v0.4.13 Ethernet address is now set at probe(), not at open()
- * time as this seems to break dhcpd.
+ * time as this seems to break dhcpd.
* v0.5.0 branch to 2.5.x kernels
* v0.5.1 ethtool support added
* v0.5.5 rx socket buffers are in a pool and the their allocation
- * is out of the interrupt routine.
+ * is out of the interrupt routine.
*/
#include <linux/sched.h>
@@ -55,9 +55,9 @@ static const char driver_name[] = "pegasus";
#define BMSR_MEDIA (BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | \
BMSR_100FULL | BMSR_ANEGCAPABLE)
-static int loopback = 0;
-static int mii_mode = 0;
-static char *devid=NULL;
+static int loopback;
+static int mii_mode;
+static char *devid;
static struct usb_eth_dev usb_dev_id[] = {
#define PEGASUS_DEV(pn, vid, pid, flags) \
@@ -102,8 +102,8 @@ MODULE_PARM_DESC(devid, "The format is: 'DEV_name:VendorID:DeviceID:Flags'");
/* use ethtool to change the level for any given device */
static int msg_level = -1;
-module_param (msg_level, int, 0);
-MODULE_PARM_DESC (msg_level, "Override default message level");
+module_param(msg_level, int, 0);
+MODULE_PARM_DESC(msg_level, "Override default message level");
MODULE_DEVICE_TABLE(usb, pegasus_ids);
static const struct net_device_ops pegasus_netdev_ops;
@@ -141,7 +141,7 @@ static void ctrl_callback(struct urb *urb)
wake_up(&pegasus->ctrl_wait);
}
-static int get_registers(pegasus_t * pegasus, __u16 indx, __u16 size,
+static int get_registers(pegasus_t *pegasus, __u16 indx, __u16 size,
void *data)
{
int ret;
@@ -196,7 +196,7 @@ out:
return ret;
}
-static int set_registers(pegasus_t * pegasus, __u16 indx, __u16 size,
+static int set_registers(pegasus_t *pegasus, __u16 indx, __u16 size,
void *data)
{
int ret;
@@ -248,7 +248,7 @@ out:
return ret;
}
-static int set_register(pegasus_t * pegasus, __u16 indx, __u8 data)
+static int set_register(pegasus_t *pegasus, __u16 indx, __u8 data)
{
int ret;
char *tmp;
@@ -299,7 +299,7 @@ out:
return ret;
}
-static int update_eth_regs_async(pegasus_t * pegasus)
+static int update_eth_regs_async(pegasus_t *pegasus)
{
int ret;
@@ -326,7 +326,7 @@ static int update_eth_regs_async(pegasus_t * pegasus)
}
/* Returns 0 on success, error on failure */
-static int read_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 * regd)
+static int read_mii_word(pegasus_t *pegasus, __u8 phy, __u8 indx, __u16 *regd)
{
int i;
__u8 data[4] = { phy, 0, 0, indx };
@@ -334,7 +334,7 @@ static int read_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 * regd)
int ret;
set_register(pegasus, PhyCtrl, 0);
- set_registers(pegasus, PhyAddr, sizeof (data), data);
+ set_registers(pegasus, PhyAddr, sizeof(data), data);
set_register(pegasus, PhyCtrl, (indx | PHY_READ));
for (i = 0; i < REG_TIMEOUT; i++) {
ret = get_registers(pegasus, PhyCtrl, 1, data);
@@ -366,7 +366,7 @@ static int mdio_read(struct net_device *dev, int phy_id, int loc)
return (int)res;
}
-static int write_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 regd)
+static int write_mii_word(pegasus_t *pegasus, __u8 phy, __u8 indx, __u16 regd)
{
int i;
__u8 data[4] = { phy, 0, 0, indx };
@@ -402,7 +402,7 @@ static void mdio_write(struct net_device *dev, int phy_id, int loc, int val)
write_mii_word(pegasus, phy_id, loc, val);
}
-static int read_eprom_word(pegasus_t * pegasus, __u8 index, __u16 * retdata)
+static int read_eprom_word(pegasus_t *pegasus, __u8 index, __u16 *retdata)
{
int i;
__u8 tmp;
@@ -433,7 +433,7 @@ fail:
}
#ifdef PEGASUS_WRITE_EEPROM
-static inline void enable_eprom_write(pegasus_t * pegasus)
+static inline void enable_eprom_write(pegasus_t *pegasus)
{
__u8 tmp;
int ret;
@@ -442,7 +442,7 @@ static inline void enable_eprom_write(pegasus_t * pegasus)
set_register(pegasus, EthCtrl2, tmp | EPROM_WR_ENABLE);
}
-static inline void disable_eprom_write(pegasus_t * pegasus)
+static inline void disable_eprom_write(pegasus_t *pegasus)
{
__u8 tmp;
int ret;
@@ -452,7 +452,7 @@ static inline void disable_eprom_write(pegasus_t * pegasus)
set_register(pegasus, EthCtrl2, tmp & ~EPROM_WR_ENABLE);
}
-static int write_eprom_word(pegasus_t * pegasus, __u8 index, __u16 data)
+static int write_eprom_word(pegasus_t *pegasus, __u8 index, __u16 data)
{
int i;
__u8 tmp, d[4] = { 0x3f, 0, 0, EPROM_WRITE };
@@ -484,7 +484,7 @@ fail:
}
#endif /* PEGASUS_WRITE_EEPROM */
-static inline void get_node_id(pegasus_t * pegasus, __u8 * id)
+static inline void get_node_id(pegasus_t *pegasus, __u8 *id)
{
int i;
__u16 w16;
@@ -495,7 +495,7 @@ static inline void get_node_id(pegasus_t * pegasus, __u8 * id)
}
}
-static void set_ethernet_addr(pegasus_t * pegasus)
+static void set_ethernet_addr(pegasus_t *pegasus)
{
__u8 node_id[6];
@@ -503,12 +503,12 @@ static void set_ethernet_addr(pegasus_t * pegasus)
get_registers(pegasus, 0x10, sizeof(node_id), node_id);
} else {
get_node_id(pegasus, node_id);
- set_registers(pegasus, EthID, sizeof (node_id), node_id);
+ set_registers(pegasus, EthID, sizeof(node_id), node_id);
}
- memcpy(pegasus->net->dev_addr, node_id, sizeof (node_id));
+ memcpy(pegasus->net->dev_addr, node_id, sizeof(node_id));
}
-static inline int reset_mac(pegasus_t * pegasus)
+static inline int reset_mac(pegasus_t *pegasus)
{
__u8 data = 0x8;
int i;
@@ -563,7 +563,7 @@ static int enable_net_traffic(struct net_device *dev, struct usb_device *usb)
data[1] = 0;
data[2] = (loopback & 1) ? 0x09 : 0x01;
- memcpy(pegasus->eth_regs, data, sizeof (data));
+ memcpy(pegasus->eth_regs, data, sizeof(data));
ret = set_registers(pegasus, EthCtrl0, 3, data);
if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS ||
@@ -577,7 +577,7 @@ static int enable_net_traffic(struct net_device *dev, struct usb_device *usb)
return ret;
}
-static void fill_skb_pool(pegasus_t * pegasus)
+static void fill_skb_pool(pegasus_t *pegasus)
{
int i;
@@ -595,7 +595,7 @@ static void fill_skb_pool(pegasus_t * pegasus)
}
}
-static void free_skb_pool(pegasus_t * pegasus)
+static void free_skb_pool(pegasus_t *pegasus)
{
int i;
@@ -667,11 +667,11 @@ static void read_bulk_callback(struct urb *urb)
netif_dbg(pegasus, rx_err, net,
"RX packet error %x\n", rx_status);
pegasus->stats.rx_errors++;
- if (rx_status & 0x06) // long or runt
+ if (rx_status & 0x06) /* long or runt */
pegasus->stats.rx_length_errors++;
if (rx_status & 0x08)
pegasus->stats.rx_crc_errors++;
- if (rx_status & 0x10) // extra bits
+ if (rx_status & 0x10) /* extra bits */
pegasus->stats.rx_frame_errors++;
goto goon;
}
@@ -748,9 +748,8 @@ static void rx_fixup(unsigned long data)
if (pegasus->flags & PEGASUS_RX_URB_FAIL)
if (pegasus->rx_skb)
goto try_again;
- if (pegasus->rx_skb == NULL) {
+ if (pegasus->rx_skb == NULL)
pegasus->rx_skb = pull_skb(pegasus);
- }
if (pegasus->rx_skb == NULL) {
netif_warn(pegasus, rx_err, pegasus->net, "low on memory\n");
tasklet_schedule(&pegasus->rx_tl);
@@ -835,7 +834,7 @@ static void intr_callback(struct urb *urb)
}
if (urb->actual_length >= 6) {
- u8 * d = urb->transfer_buffer;
+ u8 *d = urb->transfer_buffer;
/* byte 0 == tx_status1, reg 2B */
if (d[0] & (TX_UNDERRUN|EXCESSIVE_COL
@@ -918,14 +917,14 @@ static struct net_device_stats *pegasus_netdev_stats(struct net_device *dev)
return &((pegasus_t *) netdev_priv(dev))->stats;
}
-static inline void disable_net_traffic(pegasus_t * pegasus)
+static inline void disable_net_traffic(pegasus_t *pegasus)
{
__le16 tmp = cpu_to_le16(0);
set_registers(pegasus, EthCtrl0, sizeof(tmp), &tmp);
}
-static inline void get_interrupt_interval(pegasus_t * pegasus)
+static inline void get_interrupt_interval(pegasus_t *pegasus)
{
u16 data;
u8 interval;
@@ -961,7 +960,7 @@ static void set_carrier(struct net_device *net)
netif_carrier_off(net);
}
-static void free_all_urbs(pegasus_t * pegasus)
+static void free_all_urbs(pegasus_t *pegasus)
{
usb_free_urb(pegasus->intr_urb);
usb_free_urb(pegasus->tx_urb);
@@ -969,7 +968,7 @@ static void free_all_urbs(pegasus_t * pegasus)
usb_free_urb(pegasus->ctrl_urb);
}
-static void unlink_all_urbs(pegasus_t * pegasus)
+static void unlink_all_urbs(pegasus_t *pegasus)
{
usb_kill_urb(pegasus->intr_urb);
usb_kill_urb(pegasus->tx_urb);
@@ -977,12 +976,11 @@ static void unlink_all_urbs(pegasus_t * pegasus)
usb_kill_urb(pegasus->ctrl_urb);
}
-static int alloc_urbs(pegasus_t * pegasus)
+static int alloc_urbs(pegasus_t *pegasus)
{
pegasus->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!pegasus->ctrl_urb) {
+ if (!pegasus->ctrl_urb)
return 0;
- }
pegasus->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!pegasus->rx_urb) {
usb_free_urb(pegasus->ctrl_urb);
@@ -1019,7 +1017,7 @@ static int pegasus_open(struct net_device *net)
return -ENOMEM;
res = set_registers(pegasus, EthID, 6, net->dev_addr);
-
+
usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb,
usb_rcvbulkpipe(pegasus->usb, 1),
pegasus->rx_skb->data, PEGASUS_MTU + 8,
@@ -1033,7 +1031,7 @@ static int pegasus_open(struct net_device *net)
usb_fill_int_urb(pegasus->intr_urb, pegasus->usb,
usb_rcvintpipe(pegasus->usb, 3),
- pegasus->intr_buff, sizeof (pegasus->intr_buff),
+ pegasus->intr_buff, sizeof(pegasus->intr_buff),
intr_callback, pegasus, pegasus->intr_interval);
if ((res = usb_submit_urb(pegasus->intr_urb, GFP_KERNEL))) {
if (res == -ENODEV)
@@ -1076,9 +1074,9 @@ static void pegasus_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
pegasus_t *pegasus = netdev_priv(dev);
- strncpy(info->driver, driver_name, sizeof (info->driver) - 1);
- strncpy(info->version, DRIVER_VERSION, sizeof (info->version) - 1);
- usb_make_path(pegasus->usb, info->bus_info, sizeof (info->bus_info));
+ strncpy(info->driver, driver_name, sizeof(info->driver) - 1);
+ strncpy(info->version, DRIVER_VERSION, sizeof(info->version) - 1);
+ usb_make_path(pegasus->usb, info->bus_info, sizeof(info->bus_info));
}
/* also handles three patterns of some kind in hardware */
@@ -1098,7 +1096,7 @@ pegasus_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
pegasus_t *pegasus = netdev_priv(dev);
u8 reg78 = 0x04;
-
+
if (wol->wolopts & ~WOL_SUPPORTED)
return -EINVAL;
@@ -1118,7 +1116,7 @@ pegasus_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
static inline void pegasus_reset_wol(struct net_device *dev)
{
struct ethtool_wolinfo wol;
-
+
memset(&wol, 0, sizeof wol);
(void) pegasus_set_wol(dev, &wol);
}
@@ -1178,7 +1176,7 @@ static const struct ethtool_ops ops = {
static int pegasus_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
{
- __u16 *data = (__u16 *) & rq->ifr_ifru;
+ __u16 *data = (__u16 *) &rq->ifr_ifru;
pegasus_t *pegasus = netdev_priv(net);
int res;
@@ -1223,7 +1221,7 @@ static void pegasus_set_multicast(struct net_device *net)
ctrl_callback(pegasus->ctrl_urb);
}
-static __u8 mii_phy_probe(pegasus_t * pegasus)
+static __u8 mii_phy_probe(pegasus_t *pegasus)
{
int i;
__u16 tmp;
@@ -1239,10 +1237,10 @@ static __u8 mii_phy_probe(pegasus_t * pegasus)
return 0xff;
}
-static inline void setup_pegasus_II(pegasus_t * pegasus)
+static inline void setup_pegasus_II(pegasus_t *pegasus)
{
__u8 data = 0xa5;
-
+
set_register(pegasus, Reg1d, 0);
set_register(pegasus, Reg7b, 1);
mdelay(100);
@@ -1254,16 +1252,15 @@ static inline void setup_pegasus_II(pegasus_t * pegasus)
set_register(pegasus, 0x83, data);
get_registers(pegasus, 0x83, 1, &data);
- if (data == 0xa5) {
+ if (data == 0xa5)
pegasus->chip = 0x8513;
- } else {
+ else
pegasus->chip = 0;
- }
set_register(pegasus, 0x80, 0xc0);
set_register(pegasus, 0x83, 0xff);
set_register(pegasus, 0x84, 0x01);
-
+
if (pegasus->features & HAS_HOME_PNA && mii_mode)
set_register(pegasus, Reg81, 6);
else
@@ -1272,7 +1269,7 @@ static inline void setup_pegasus_II(pegasus_t * pegasus)
static int pegasus_count;
-static struct workqueue_struct *pegasus_workqueue = NULL;
+static struct workqueue_struct *pegasus_workqueue;
#define CARRIER_CHECK_DELAY (2 * HZ)
static void check_carrier(struct work_struct *work)
@@ -1367,7 +1364,7 @@ static int pegasus_probe(struct usb_interface *intf,
pegasus->mii.phy_id_mask = 0x1f;
pegasus->mii.reg_num_mask = 0x1f;
spin_lock_init(&pegasus->rx_pool_lock);
- pegasus->msg_enable = netif_msg_init (msg_level, NETIF_MSG_DRV
+ pegasus->msg_enable = netif_msg_init(msg_level, NETIF_MSG_DRV
| NETIF_MSG_PROBE | NETIF_MSG_LINK);
pegasus->features = usb_dev_id[dev_index].private;
@@ -1442,11 +1439,11 @@ static void pegasus_disconnect(struct usb_interface *intf)
pegasus_dec_workqueue();
}
-static int pegasus_suspend (struct usb_interface *intf, pm_message_t message)
+static int pegasus_suspend(struct usb_interface *intf, pm_message_t message)
{
struct pegasus *pegasus = usb_get_intfdata(intf);
-
- netif_device_detach (pegasus->net);
+
+ netif_device_detach(pegasus->net);
cancel_delayed_work(&pegasus->carrier_check);
if (netif_running(pegasus->net)) {
usb_kill_urb(pegasus->rx_urb);
@@ -1455,11 +1452,11 @@ static int pegasus_suspend (struct usb_interface *intf, pm_message_t message)
return 0;
}
-static int pegasus_resume (struct usb_interface *intf)
+static int pegasus_resume(struct usb_interface *intf)
{
struct pegasus *pegasus = usb_get_intfdata(intf);
- netif_device_attach (pegasus->net);
+ netif_device_attach(pegasus->net);
if (netif_running(pegasus->net)) {
pegasus->rx_urb->status = 0;
pegasus->rx_urb->actual_length = 0;
@@ -1498,8 +1495,8 @@ static struct usb_driver pegasus_driver = {
static void __init parse_id(char *id)
{
- unsigned int vendor_id=0, device_id=0, flags=0, i=0;
- char *token, *name=NULL;
+ unsigned int vendor_id = 0, device_id = 0, flags = 0, i = 0;
+ char *token, *name = NULL;
if ((token = strsep(&id, ":")) != NULL)
name = token;
@@ -1510,14 +1507,14 @@ static void __init parse_id(char *id)
device_id = simple_strtoul(token, NULL, 16);
flags = simple_strtoul(id, NULL, 16);
pr_info("%s: new device %s, vendor ID 0x%04x, device ID 0x%04x, flags: 0x%x\n",
- driver_name, name, vendor_id, device_id, flags);
+ driver_name, name, vendor_id, device_id, flags);
if (vendor_id > 0x10000 || vendor_id == 0)
return;
if (device_id > 0x10000 || device_id == 0)
return;
- for (i=0; usb_dev_id[i].name; i++);
+ for (i = 0; usb_dev_id[i].name; i++);
usb_dev_id[i].name = name;
usb_dev_id[i].vendor = vendor_id;
usb_dev_id[i].device = device_id;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.