On Wed, 27 Mar 2013, Petko Manolov wrote:
On Tue, 26 Mar 2013, Sarah Sharp wrote:
ctrl_callback is still reading the URB status, and using it in the
switch statement. It's also using the urb->context as well, to dig out
a pointer (pegasus_t) that the pegasus_set_multicast already has access
to. What happens if an URB to get the registers completes at the same
time pegasus_set_multicast calls ctrl_callback? If the URB failed for
some reason (e.g. bad cable, stall), you'll miss that if statement. I
don't think that's what you intended to do.
I think the fix should be to just to move the if block into a new
function, and call it both in ctrl_callback() and
pegasus_set_multicast().
The _real_ fix would be to rework the whole callback mechanism, but this is a
different story. It is in my todo list.
Attached you'll find two patches against Linus' 3.9.0-rc5. These should
effectively cure the broken control requests callback logic. The patch is
so big because i also cleaned up a lot of old cruft.
The new driver actually compiles and runs fine with Pegasus-II based
device. Please let me know if you run into problems.
cheers,
Petko
diff --git a/drivers/net/usb/pegasus.h b/drivers/net/usb/pegasus.h
index 65b78b3..aada2fa 100644
--- a/drivers/net/usb/pegasus.h
+++ b/drivers/net/usb/pegasus.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1999-2003 Petko Manolov - Petkan (petkan@xxxxxxxxxxxxxxxxxxxxx)
+ * Copyright (c) 1999-2013 Petko Manolov - Petkan (petkan@xxxxxxxxxxxxx)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as published
@@ -34,8 +34,6 @@
#define CTRL_URB_SLEEP 0x00000020
#define PEGASUS_UNPLUG 0x00000040
#define PEGASUS_RX_URB_FAIL 0x00000080
-#define ETH_REGS_CHANGE 0x40000000
-#define ETH_REGS_CHANGED 0x80000000
#define RX_MULTICAST 2
#define RX_PROMISCUOUS 4
@@ -96,12 +94,9 @@ typedef struct pegasus {
int intr_interval;
struct tasklet_struct rx_tl;
struct delayed_work carrier_check;
- struct urb *ctrl_urb, *rx_urb, *tx_urb, *intr_urb;
- struct sk_buff *rx_pool[RX_SKBS];
+ struct urb *rx_urb, *tx_urb, *intr_urb;
struct sk_buff *rx_skb;
struct usb_ctrlrequest dr;
- wait_queue_head_t ctrl_wait;
- spinlock_t rx_pool_lock;
int chip;
unsigned char intr_buff[8];
__u8 tx_buff[PEGASUS_MTU];
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 73051d1..64b7a04 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1999-2005 Petko Manolov (petkan@xxxxxxxxxxxxxxxxxxxxx)
+ * Copyright (c) 1999-2013 Petko Manolov (petkan@xxxxxxxxxxxxx)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -26,6 +26,9 @@
* 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.
+ * ...
+ * v0.9.1 simplified [get|set]_register(s), async update registers
+ * logic revisited, receive skb_pool removed.
*/
#include <linux/sched.h>
@@ -45,8 +48,8 @@
/*
* Version Information
*/
-#define DRIVER_VERSION "v0.6.14 (2006/09/27)"
-#define DRIVER_AUTHOR "Petko Manolov <petkan@xxxxxxxxxxxxxxxxxxxxx>"
+#define DRIVER_VERSION "v0.9.1 (2013/04/04)"
+#define DRIVER_AUTHOR "Petko Manolov <petkan@xxxxxxxxxxxxx>"
#define DRIVER_DESC "Pegasus/Pegasus II USB Ethernet driver"
static const char driver_name[] = "pegasus";
@@ -108,88 +111,43 @@ MODULE_PARM_DESC(msg_level, "Override default message level");
MODULE_DEVICE_TABLE(usb, pegasus_ids);
static const struct net_device_ops pegasus_netdev_ops;
-static int update_eth_regs_async(pegasus_t *);
-/* Aargh!!! I _really_ hate such tweaks */
-static void ctrl_callback(struct urb *urb)
+
+static void async_ctrl_callback(struct urb *urb)
{
pegasus_t *pegasus = urb->context;
int status = urb->status;
if (!pegasus)
- return;
+ goto out;
switch (status) {
case 0:
- if (pegasus->flags & ETH_REGS_CHANGE) {
- pegasus->flags &= ~ETH_REGS_CHANGE;
- pegasus->flags |= ETH_REGS_CHANGED;
- update_eth_regs_async(pegasus);
- return;
- }
break;
case -EINPROGRESS:
- return;
+ goto out;
case -ENOENT:
break;
default:
if (net_ratelimit())
netif_dbg(pegasus, drv, pegasus->net,
- "%s, status %d\n", __func__, status);
+ "%s, status %d\n", __func__, status);
break;
}
- pegasus->flags &= ~ETH_REGS_CHANGED;
- wake_up(&pegasus->ctrl_wait);
+out:
+ usb_free_urb(urb);
}
static int get_registers(pegasus_t *pegasus, __u16 indx, __u16 size,
void *data)
{
int ret;
- char *buffer;
- DECLARE_WAITQUEUE(wait, current);
-
- buffer = kmalloc(size, GFP_KERNEL);
- if (!buffer)
- return -ENOMEM;
-
- add_wait_queue(&pegasus->ctrl_wait, &wait);
- set_current_state(TASK_UNINTERRUPTIBLE);
- while (pegasus->flags & ETH_REGS_CHANGED)
- schedule();
- remove_wait_queue(&pegasus->ctrl_wait, &wait);
- set_current_state(TASK_RUNNING);
-
- pegasus->dr.bRequestType = PEGASUS_REQT_READ;
- pegasus->dr.bRequest = PEGASUS_REQ_GET_REGS;
- pegasus->dr.wValue = cpu_to_le16(0);
- pegasus->dr.wIndex = cpu_to_le16(indx);
- pegasus->dr.wLength = cpu_to_le16(size);
- pegasus->ctrl_urb->transfer_buffer_length = size;
-
- usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb,
- usb_rcvctrlpipe(pegasus->usb, 0),
- (char *) &pegasus->dr,
- buffer, size, ctrl_callback, pegasus);
- add_wait_queue(&pegasus->ctrl_wait, &wait);
- set_current_state(TASK_UNINTERRUPTIBLE);
-
- /* using ATOMIC, we'd never wake up if we slept */
- if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) {
- set_current_state(TASK_RUNNING);
- if (ret == -ENODEV)
- netif_device_detach(pegasus->net);
- if (net_ratelimit())
- netif_err(pegasus, drv, pegasus->net,
- "%s, status %d\n", __func__, ret);
- goto out;
- }
-
- schedule();
-out:
- remove_wait_queue(&pegasus->ctrl_wait, &wait);
- memcpy(data, buffer, size);
- kfree(buffer);
+ ret = usb_control_msg(pegasus->usb, usb_rcvctrlpipe(pegasus->usb, 0),
+ PEGASUS_REQ_GET_REGS, PEGASUS_REQT_READ, 0,
+ indx, data, size, 1000);
+ if (ret < 0)
+ netif_dbg(pegasus, drv, pegasus->net,
+ "%s returned %d\n", __func__, ret);
return ret;
}
@@ -198,126 +156,55 @@ static int set_registers(pegasus_t *pegasus, __u16 indx, __u16 size,
void *data)
{
int ret;
- char *buffer;
- DECLARE_WAITQUEUE(wait, current);
-
- buffer = kmemdup(data, size, GFP_KERNEL);
- if (!buffer) {
- netif_warn(pegasus, drv, pegasus->net,
- "out of memory in %s\n", __func__);
- return -ENOMEM;
- }
-
- add_wait_queue(&pegasus->ctrl_wait, &wait);
- set_current_state(TASK_UNINTERRUPTIBLE);
- while (pegasus->flags & ETH_REGS_CHANGED)
- schedule();
- remove_wait_queue(&pegasus->ctrl_wait, &wait);
- set_current_state(TASK_RUNNING);
-
- pegasus->dr.bRequestType = PEGASUS_REQT_WRITE;
- pegasus->dr.bRequest = PEGASUS_REQ_SET_REGS;
- pegasus->dr.wValue = cpu_to_le16(0);
- pegasus->dr.wIndex = cpu_to_le16(indx);
- pegasus->dr.wLength = cpu_to_le16(size);
- pegasus->ctrl_urb->transfer_buffer_length = size;
-
- usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb,
- usb_sndctrlpipe(pegasus->usb, 0),
- (char *) &pegasus->dr,
- buffer, size, ctrl_callback, pegasus);
-
- add_wait_queue(&pegasus->ctrl_wait, &wait);
- set_current_state(TASK_UNINTERRUPTIBLE);
-
- if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) {
- if (ret == -ENODEV)
- netif_device_detach(pegasus->net);
- netif_err(pegasus, drv, pegasus->net,
- "%s, status %d\n", __func__, ret);
- goto out;
- }
-
- schedule();
-out:
- remove_wait_queue(&pegasus->ctrl_wait, &wait);
- kfree(buffer);
+ ret = usb_control_msg(pegasus->usb, usb_sndctrlpipe(pegasus->usb, 0),
+ PEGASUS_REQ_SET_REGS, PEGASUS_REQT_WRITE, 0,
+ indx, data, size, 100);
+ if (ret < 0)
+ netif_dbg(pegasus, drv, pegasus->net,
+ "%s returned %d\n", __func__, ret);
return ret;
}
static int set_register(pegasus_t *pegasus, __u16 indx, __u8 data)
{
int ret;
- char *tmp;
- DECLARE_WAITQUEUE(wait, current);
-
- tmp = kmemdup(&data, 1, GFP_KERNEL);
- if (!tmp) {
- netif_warn(pegasus, drv, pegasus->net,
- "out of memory in %s\n", __func__);
- return -ENOMEM;
- }
- add_wait_queue(&pegasus->ctrl_wait, &wait);
- set_current_state(TASK_UNINTERRUPTIBLE);
- while (pegasus->flags & ETH_REGS_CHANGED)
- schedule();
- remove_wait_queue(&pegasus->ctrl_wait, &wait);
- set_current_state(TASK_RUNNING);
- pegasus->dr.bRequestType = PEGASUS_REQT_WRITE;
- pegasus->dr.bRequest = PEGASUS_REQ_SET_REG;
- pegasus->dr.wValue = cpu_to_le16(data);
- pegasus->dr.wIndex = cpu_to_le16(indx);
- pegasus->dr.wLength = cpu_to_le16(1);
- pegasus->ctrl_urb->transfer_buffer_length = 1;
-
- usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb,
- usb_sndctrlpipe(pegasus->usb, 0),
- (char *) &pegasus->dr,
- tmp, 1, ctrl_callback, pegasus);
-
- add_wait_queue(&pegasus->ctrl_wait, &wait);
- set_current_state(TASK_UNINTERRUPTIBLE);
-
- if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) {
- if (ret == -ENODEV)
- netif_device_detach(pegasus->net);
- if (net_ratelimit())
- netif_err(pegasus, drv, pegasus->net,
- "%s, status %d\n", __func__, ret);
- goto out;
- }
-
- schedule();
-out:
- remove_wait_queue(&pegasus->ctrl_wait, &wait);
- kfree(tmp);
+ ret = usb_control_msg(pegasus->usb, usb_sndctrlpipe(pegasus->usb, 0),
+ PEGASUS_REQ_SET_REG, PEGASUS_REQT_WRITE, data,
+ indx, &data, 1, 1000);
+ if (ret < 0)
+ netif_dbg(pegasus, drv, pegasus->net,
+ "%s returned %d\n", __func__, ret);
return ret;
}
static int update_eth_regs_async(pegasus_t *pegasus)
{
- int ret;
+ int ret = -ENOMEM;
+ struct urb *async_urb;
+
+ if ((async_urb = usb_alloc_urb(0, GFP_ATOMIC)) == NULL)
+ return ret;
pegasus->dr.bRequestType = PEGASUS_REQT_WRITE;
pegasus->dr.bRequest = PEGASUS_REQ_SET_REGS;
pegasus->dr.wValue = cpu_to_le16(0);
pegasus->dr.wIndex = cpu_to_le16(EthCtrl0);
pegasus->dr.wLength = cpu_to_le16(3);
- pegasus->ctrl_urb->transfer_buffer_length = 3;
+ async_urb->transfer_buffer_length = 3;
- usb_fill_control_urb(pegasus->ctrl_urb, pegasus->usb,
- usb_sndctrlpipe(pegasus->usb, 0),
- (char *) &pegasus->dr,
- pegasus->eth_regs, 3, ctrl_callback, pegasus);
+ usb_fill_control_urb(async_urb, pegasus->usb,
+ usb_sndctrlpipe(pegasus->usb, 0),
+ (char *) &pegasus->dr, pegasus->eth_regs,
+ 3, async_ctrl_callback, pegasus);
- if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) {
+ if ((ret = usb_submit_urb(async_urb, GFP_ATOMIC))) {
if (ret == -ENODEV)
netif_device_detach(pegasus->net);
netif_err(pegasus, drv, pegasus->net,
- "%s, status %d\n", __func__, ret);
+ "%s returned %d\n", __func__, ret);
}
return ret;
@@ -342,8 +229,10 @@ static int read_mii_word(pegasus_t *pegasus, __u8 phy, __u8 indx, __u16 *regd)
break;
}
- if (i >= REG_TIMEOUT)
+ if (i >= REG_TIMEOUT) {
+ ret = -EBUSY;
goto fail;
+ }
ret = get_registers(pegasus, PhyData, 2, ®di);
*regd = le16_to_cpu(regdi);
@@ -480,7 +369,7 @@ fail:
netif_warn(pegasus, drv, pegasus->net, "%s failed\n", __func__);
return -ETIMEDOUT;
}
-#endif /* PEGASUS_WRITE_EEPROM */
+#endif /* PEGASUS_WRITE_EEPROM */
static inline void get_node_id(pegasus_t *pegasus, __u8 *id)
{
@@ -543,12 +432,11 @@ static inline int reset_mac(pegasus_t *pegasus)
return 0;
}
-static int enable_net_traffic(struct net_device *dev, struct usb_device *usb)
+static void enable_net_traffic(struct net_device *dev, struct usb_device *usb)
{
__u16 linkpart;
__u8 data[4];
pegasus_t *pegasus = netdev_priv(dev);
- int ret;
read_mii_word(pegasus, pegasus->phy, MII_LPA, &linkpart);
data[0] = 0xc9;
@@ -562,7 +450,7 @@ static int enable_net_traffic(struct net_device *dev, struct usb_device *usb)
data[2] = loopback ? 0x09 : 0x01;
memcpy(pegasus->eth_regs, data, sizeof(data));
- ret = set_registers(pegasus, EthCtrl0, 3, data);
+ set_registers(pegasus, EthCtrl0, 3, data);
if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS ||
usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS2 ||
@@ -571,53 +459,6 @@ static int enable_net_traffic(struct net_device *dev, struct usb_device *usb)
read_mii_word(pegasus, 0, 0x1b, &auxmode);
write_mii_word(pegasus, 0, 0x1b, auxmode | 4);
}
-
- return ret;
-}
-
-static void fill_skb_pool(pegasus_t *pegasus)
-{
- int i;
-
- for (i = 0; i < RX_SKBS; i++) {
- if (pegasus->rx_pool[i])
- continue;
- pegasus->rx_pool[i] = dev_alloc_skb(PEGASUS_MTU + 2);
- /*
- ** we give up if the allocation fail. the tasklet will be
- ** rescheduled again anyway...
- */
- if (pegasus->rx_pool[i] == NULL)
- return;
- skb_reserve(pegasus->rx_pool[i], 2);
- }
-}
-
-static void free_skb_pool(pegasus_t *pegasus)
-{
- int i;
-
- for (i = 0; i < RX_SKBS; i++) {
- if (pegasus->rx_pool[i]) {
- dev_kfree_skb(pegasus->rx_pool[i]);
- pegasus->rx_pool[i] = NULL;
- }
- }
-}
-
-static inline struct sk_buff *pull_skb(pegasus_t * pegasus)
-{
- int i;
- struct sk_buff *skb;
-
- for (i = 0; i < RX_SKBS; i++) {
- if (likely(pegasus->rx_pool[i] != NULL)) {
- skb = pegasus->rx_pool[i];
- pegasus->rx_pool[i] = NULL;
- return skb;
- }
- }
- return NULL;
}
static void read_bulk_callback(struct urb *urb)
@@ -643,7 +484,7 @@ static void read_bulk_callback(struct urb *urb)
netif_dbg(pegasus, rx_err, net, "reset MAC\n");
pegasus->flags &= ~PEGASUS_RX_BUSY;
break;
- case -EPIPE: /* stall, or disconnect from TT */
+ case -EPIPE: /* stall, or disconnect from TT */
/* FIXME schedule work to clear the halt */
netif_warn(pegasus, rx_err, net, "no rx stall recovery\n");
return;
@@ -663,7 +504,7 @@ static void read_bulk_callback(struct urb *urb)
rx_status = buf[count - 2];
if (rx_status & 0x1e) {
netif_dbg(pegasus, rx_err, net,
- "RX packet error %x\n", rx_status);
+ "RX packet error %x\n", rx_status);
pegasus->stats.rx_errors++;
if (rx_status & 0x06) /* long or runt */
pegasus->stats.rx_length_errors++;
@@ -704,9 +545,8 @@ static void read_bulk_callback(struct urb *urb)
if (pegasus->flags & PEGASUS_UNPLUG)
return;
- spin_lock(&pegasus->rx_pool_lock);
- pegasus->rx_skb = pull_skb(pegasus);
- spin_unlock(&pegasus->rx_pool_lock);
+ pegasus->rx_skb = __netdev_alloc_skb_ip_align(pegasus->net,
+ PEGASUS_MTU, GFP_ATOMIC);
if (pegasus->rx_skb == NULL)
goto tl_sched;
@@ -734,24 +574,23 @@ tl_sched:
static void rx_fixup(unsigned long data)
{
pegasus_t *pegasus;
- unsigned long flags;
int status;
pegasus = (pegasus_t *) data;
if (pegasus->flags & PEGASUS_UNPLUG)
return;
- spin_lock_irqsave(&pegasus->rx_pool_lock, flags);
- fill_skb_pool(pegasus);
if (pegasus->flags & PEGASUS_RX_URB_FAIL)
if (pegasus->rx_skb)
goto try_again;
if (pegasus->rx_skb == NULL)
- pegasus->rx_skb = pull_skb(pegasus);
+ pegasus->rx_skb = __netdev_alloc_skb_ip_align(pegasus->net,
+ PEGASUS_MTU,
+ GFP_ATOMIC);
if (pegasus->rx_skb == NULL) {
netif_warn(pegasus, rx_err, pegasus->net, "low on memory\n");
tasklet_schedule(&pegasus->rx_tl);
- goto done;
+ return;
}
usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb,
usb_rcvbulkpipe(pegasus->usb, 1),
@@ -767,8 +606,6 @@ try_again:
} else {
pegasus->flags &= ~PEGASUS_RX_URB_FAIL;
}
-done:
- spin_unlock_irqrestore(&pegasus->rx_pool_lock, flags);
}
static void write_bulk_callback(struct urb *urb)
@@ -860,7 +697,7 @@ static void intr_callback(struct urb *urb)
netif_device_detach(pegasus->net);
if (res)
netif_err(pegasus, timer, net,
- "can't resubmit interrupt urb, %d\n", res);
+ "can't resubmit interrupt urb, %d\n", res);
}
static void pegasus_tx_timeout(struct net_device *net)
@@ -890,10 +727,10 @@ static netdev_tx_t pegasus_start_xmit(struct sk_buff *skb,
if ((res = usb_submit_urb(pegasus->tx_urb, GFP_ATOMIC))) {
netif_warn(pegasus, tx_err, net, "fail tx, %d\n", res);
switch (res) {
- case -EPIPE: /* stall, or disconnect from TT */
+ case -EPIPE: /* stall, or disconnect from TT */
/* cleanup should already have been scheduled */
break;
- case -ENODEV: /* disconnect() upcoming */
+ case -ENODEV: /* disconnect() upcoming */
case -EPERM:
netif_device_detach(pegasus->net);
break;
@@ -932,8 +769,8 @@ static inline void get_interrupt_interval(pegasus_t *pegasus)
if (pegasus->usb->speed != USB_SPEED_HIGH) {
if (interval < 0x80) {
netif_info(pegasus, timer, pegasus->net,
- "intr interval changed from %ums to %ums\n",
- interval, 0x80);
+ "intr interval changed from %ums to %ums\n",
+ interval, 0x80);
interval = 0x80;
data = (data & 0x00FF) | ((u16)interval << 8);
#ifdef PEGASUS_WRITE_EEPROM
@@ -951,7 +788,6 @@ static void set_carrier(struct net_device *net)
if (read_mii_word(pegasus, pegasus->phy, MII_BMSR, &tmp))
return;
-
if (tmp & BMSR_LSTATUS)
netif_carrier_on(net);
else
@@ -963,7 +799,6 @@ static void free_all_urbs(pegasus_t *pegasus)
usb_free_urb(pegasus->intr_urb);
usb_free_urb(pegasus->tx_urb);
usb_free_urb(pegasus->rx_urb);
- usb_free_urb(pegasus->ctrl_urb);
}
static void unlink_all_urbs(pegasus_t *pegasus)
@@ -971,30 +806,23 @@ static void unlink_all_urbs(pegasus_t *pegasus)
usb_kill_urb(pegasus->intr_urb);
usb_kill_urb(pegasus->tx_urb);
usb_kill_urb(pegasus->rx_urb);
- usb_kill_urb(pegasus->ctrl_urb);
}
static int alloc_urbs(pegasus_t *pegasus)
{
- pegasus->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL);
- 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);
return 0;
}
pegasus->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!pegasus->tx_urb) {
usb_free_urb(pegasus->rx_urb);
- usb_free_urb(pegasus->ctrl_urb);
return 0;
}
pegasus->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!pegasus->intr_urb) {
usb_free_urb(pegasus->tx_urb);
usb_free_urb(pegasus->rx_urb);
- usb_free_urb(pegasus->ctrl_urb);
return 0;
}
@@ -1004,15 +832,12 @@ static int alloc_urbs(pegasus_t *pegasus)
static int pegasus_open(struct net_device *net)
{
pegasus_t *pegasus = netdev_priv(net);
- int res;
+ int res=-ENOMEM;
if (pegasus->rx_skb == NULL)
- pegasus->rx_skb = pull_skb(pegasus);
- /*
- ** Note: no point to free the pool. it is empty :-)
- */
+ pegasus->rx_skb = __netdev_alloc_skb_ip_align(pegasus->net, PEGASUS_MTU, GFP_KERNEL);
if (!pegasus->rx_skb)
- return -ENOMEM;
+ goto exit;
res = set_registers(pegasus, EthID, 6, net->dev_addr);
@@ -1038,18 +863,9 @@ static int pegasus_open(struct net_device *net)
usb_kill_urb(pegasus->rx_urb);
goto exit;
}
- if ((res = enable_net_traffic(net, pegasus->usb))) {
- netif_dbg(pegasus, ifup, net,
- "can't enable_net_traffic() - %d\n", res);
- res = -EIO;
- usb_kill_urb(pegasus->rx_urb);
- usb_kill_urb(pegasus->intr_urb);
- free_skb_pool(pegasus);
- goto exit;
- }
+ enable_net_traffic(net, pegasus->usb);
set_carrier(net);
netif_start_queue(net);
- netif_dbg(pegasus, ifup, net, "open\n");
res = 0;
exit:
return res;
@@ -1113,8 +929,7 @@ pegasus_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
ret = set_register(pegasus, WakeupControl, reg78);
if (!ret)
- ret = device_set_wakeup_enable(&pegasus->usb->dev,
- wol->wolopts);
+ ret = device_set_wakeup_enable(&pegasus->usb->dev, wol->wolopts);
return ret;
}
@@ -1214,16 +1029,13 @@ static void pegasus_set_multicast(struct net_device *net)
} else if (!netdev_mc_empty(net) || (net->flags & IFF_ALLMULTI)) {
pegasus->eth_regs[EthCtrl0] |= RX_MULTICAST;
pegasus->eth_regs[EthCtrl2] &= ~RX_PROMISCUOUS;
- netif_dbg(pegasus, link, net, "set allmulti\n");
+ netif_info(pegasus, link, net, "set allmulti\n");
} else {
pegasus->eth_regs[EthCtrl0] &= ~RX_MULTICAST;
pegasus->eth_regs[EthCtrl2] &= ~RX_PROMISCUOUS;
+ netif_info(pegasus, link, net, "general mode\n");
}
-
- pegasus->ctrl_urb->status = 0;
-
- pegasus->flags |= ETH_REGS_CHANGE;
- ctrl_callback(pegasus->ctrl_urb);
+ update_eth_regs_async(pegasus);
}
static __u8 mii_phy_probe(pegasus_t *pegasus)
@@ -1281,10 +1093,9 @@ static void check_carrier(struct work_struct *work)
{
pegasus_t *pegasus = container_of(work, pegasus_t, carrier_check.work);
set_carrier(pegasus->net);
- if (!(pegasus->flags & PEGASUS_UNPLUG)) {
+ if (!(pegasus->flags & PEGASUS_UNPLUG))
queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check,
- CARRIER_CHECK_DELAY);
- }
+ CARRIER_CHECK_DELAY);
}
static int pegasus_blacklisted(struct usb_device *udev)
@@ -1303,7 +1114,8 @@ static int pegasus_blacklisted(struct usb_device *udev)
return 0;
}
-/* we rely on probe() and remove() being serialized so we
+/*
+ * we rely on probe() and remove() being serialized so we
* don't need extra locking on pegasus_count.
*/
static void pegasus_dec_workqueue(void)
@@ -1340,7 +1152,6 @@ static int pegasus_probe(struct usb_interface *intf,
pegasus = netdev_priv(net);
pegasus->dev_index = dev_index;
- init_waitqueue_head(&pegasus->ctrl_wait);
if (!alloc_urbs(pegasus)) {
dev_err(&intf->dev, "can't allocate %s\n", "urbs");
@@ -1364,7 +1175,6 @@ static int pegasus_probe(struct usb_interface *intf,
pegasus->mii.mdio_write = mdio_write;
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
| NETIF_MSG_PROBE | NETIF_MSG_LINK);
@@ -1376,7 +1186,6 @@ static int pegasus_probe(struct usb_interface *intf,
goto out2;
}
set_ethernet_addr(pegasus);
- fill_skb_pool(pegasus);
if (pegasus->features & PEGASUS_II) {
dev_info(&intf->dev, "setup Pegasus II specific registers\n");
setup_pegasus_II(pegasus);
@@ -1396,15 +1205,12 @@ static int pegasus_probe(struct usb_interface *intf,
queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check,
CARRIER_CHECK_DELAY);
- dev_info(&intf->dev, "%s, %s, %pM\n",
- net->name,
- usb_dev_id[dev_index].name,
- net->dev_addr);
+ dev_info(&intf->dev, "%s, %s, %pM\n", net->name,
+ usb_dev_id[dev_index].name, net->dev_addr);
return 0;
out3:
usb_set_intfdata(intf, NULL);
- free_skb_pool(pegasus);
out2:
free_all_urbs(pegasus);
out1:
@@ -1429,7 +1235,6 @@ static void pegasus_disconnect(struct usb_interface *intf)
unregister_netdev(pegasus->net);
unlink_all_urbs(pegasus);
free_all_urbs(pegasus);
- free_skb_pool(pegasus);
if (pegasus->rx_skb != NULL) {
dev_kfree_skb(pegasus->rx_skb);
pegasus->rx_skb = NULL;
