*************************************************************************/
#define DRV_NAME "pcnet32"
-#define DRV_VERSION "1.30j"
-#define DRV_RELDATE "29.04.2005"
+#define DRV_VERSION "1.31c"
+#define DRV_RELDATE "01.Nov.2005"
#define PFX DRV_NAME ": "
static const char *version =
* v1.30h 24 Jun 2004 Don Fry correctly select auto, speed, duplex in bcr32.
* v1.30i 28 Jun 2004 Don Fry change to use module_param.
* v1.30j 29 Apr 2005 Don Fry fix skb/map leak with loopback test.
+ * v1.31 02 Sep 2005 Hubert WS Lin <wslin@tw.ibm.c0m> added set_ringparam().
+ * v1.31a 12 Sep 2005 Hubert WS Lin <wslin@tw.ibm.c0m> set min ring size to 4
+ * to allow loopback test to work unchanged.
+ * v1.31b 06 Oct 2005 Don Fry changed alloc_ring to show name of device
+ * if allocation fails
+ * v1.31c 01 Nov 2005 Don Fry Allied Telesyn 2700/2701 FX are 100Mbit only.
+ * Force 100Mbit FD if Auto (ASEL) is selected.
+ * See Bugzilla 2669 and 4551.
*/
* That translates to 2 (4 == 2^^2) and 4 (16 == 2^^4).
*/
#ifndef PCNET32_LOG_TX_BUFFERS
-#define PCNET32_LOG_TX_BUFFERS 4
-#define PCNET32_LOG_RX_BUFFERS 5
+#define PCNET32_LOG_TX_BUFFERS 4
+#define PCNET32_LOG_RX_BUFFERS 5
+#define PCNET32_LOG_MAX_TX_BUFFERS 9 /* 2^9 == 512 */
+#define PCNET32_LOG_MAX_RX_BUFFERS 9
#endif
#define TX_RING_SIZE (1 << (PCNET32_LOG_TX_BUFFERS))
-#define TX_RING_MOD_MASK (TX_RING_SIZE - 1)
-#define TX_RING_LEN_BITS ((PCNET32_LOG_TX_BUFFERS) << 12)
+#define TX_MAX_RING_SIZE (1 << (PCNET32_LOG_MAX_TX_BUFFERS))
#define RX_RING_SIZE (1 << (PCNET32_LOG_RX_BUFFERS))
-#define RX_RING_MOD_MASK (RX_RING_SIZE - 1)
-#define RX_RING_LEN_BITS ((PCNET32_LOG_RX_BUFFERS) << 4)
+#define RX_MAX_RING_SIZE (1 << (PCNET32_LOG_MAX_RX_BUFFERS))
#define PKT_BUF_SZ 1544
};
/*
- * The first three fields of pcnet32_private are read by the ethernet device
- * so we allocate the structure should be allocated by pci_alloc_consistent().
+ * The first field of pcnet32_private is read by the ethernet device
+ * so the structure should be allocated using pci_alloc_consistent().
*/
struct pcnet32_private {
- /* The Tx and Rx ring entries must be aligned on 16-byte boundaries in 32bit mode. */
- struct pcnet32_rx_head rx_ring[RX_RING_SIZE];
- struct pcnet32_tx_head tx_ring[TX_RING_SIZE];
struct pcnet32_init_block init_block;
+ /* The Tx and Rx ring entries must be aligned on 16-byte boundaries in 32bit mode. */
+ struct pcnet32_rx_head *rx_ring;
+ struct pcnet32_tx_head *tx_ring;
dma_addr_t dma_addr; /* DMA address of beginning of this
object, returned by
pci_alloc_consistent */
structure */
const char *name;
/* The saved address of a sent-in-place packet/buffer, for skfree(). */
- struct sk_buff *tx_skbuff[TX_RING_SIZE];
- struct sk_buff *rx_skbuff[RX_RING_SIZE];
- dma_addr_t tx_dma_addr[TX_RING_SIZE];
- dma_addr_t rx_dma_addr[RX_RING_SIZE];
+ struct sk_buff **tx_skbuff;
+ struct sk_buff **rx_skbuff;
+ dma_addr_t *tx_dma_addr;
+ dma_addr_t *rx_dma_addr;
struct pcnet32_access a;
spinlock_t lock; /* Guard lock */
unsigned int cur_rx, cur_tx; /* The next free ring entry */
+ unsigned int rx_ring_size; /* current rx ring size */
+ unsigned int tx_ring_size; /* current tx ring size */
+ unsigned int rx_mod_mask; /* rx ring modular mask */
+ unsigned int tx_mod_mask; /* tx ring modular mask */
+ unsigned short rx_len_bits;
+ unsigned short tx_len_bits;
+ dma_addr_t rx_ring_dma_addr;
+ dma_addr_t tx_ring_dma_addr;
unsigned int dirty_rx, dirty_tx; /* The ring entries to be free()ed. */
struct net_device_stats stats;
char tx_full;
static void pcnet32_get_regs(struct net_device *dev, struct ethtool_regs *regs,
void *ptr);
static void pcnet32_purge_tx_ring(struct net_device *dev);
+static int pcnet32_alloc_ring(struct net_device *dev, char *name);
+static void pcnet32_free_ring(struct net_device *dev);
+
enum pci_flags_bit {
PCI_USES_IO=1, PCI_USES_MEM=2, PCI_USES_MASTER=4,
{
struct pcnet32_private *lp = dev->priv;
- ering->tx_max_pending = TX_RING_SIZE - 1;
- ering->tx_pending = lp->cur_tx - lp->dirty_tx;
- ering->rx_max_pending = RX_RING_SIZE - 1;
- ering->rx_pending = lp->cur_rx & RX_RING_MOD_MASK;
+ ering->tx_max_pending = TX_MAX_RING_SIZE - 1;
+ ering->tx_pending = lp->tx_ring_size - 1;
+ ering->rx_max_pending = RX_MAX_RING_SIZE - 1;
+ ering->rx_pending = lp->rx_ring_size - 1;
+}
+
+static int pcnet32_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
+{
+ struct pcnet32_private *lp = dev->priv;
+ unsigned long flags;
+ int i;
+
+ if (ering->rx_mini_pending || ering->rx_jumbo_pending)
+ return -EINVAL;
+
+ if (netif_running(dev))
+ pcnet32_close(dev);
+
+ spin_lock_irqsave(&lp->lock, flags);
+ pcnet32_free_ring(dev);
+ lp->tx_ring_size = min(ering->tx_pending, (unsigned int) TX_MAX_RING_SIZE);
+ lp->rx_ring_size = min(ering->rx_pending, (unsigned int) RX_MAX_RING_SIZE);
+
+ /* set the minimum ring size to 4, to allow the loopback test to work
+ * unchanged.
+ */
+ for (i = 2; i <= PCNET32_LOG_MAX_TX_BUFFERS; i++) {
+ if (lp->tx_ring_size <= (1 << i))
+ break;
+ }
+ lp->tx_ring_size = (1 << i);
+ lp->tx_mod_mask = lp->tx_ring_size - 1;
+ lp->tx_len_bits = (i << 12);
+
+ for (i = 2; i <= PCNET32_LOG_MAX_RX_BUFFERS; i++) {
+ if (lp->rx_ring_size <= (1 << i))
+ break;
+ }
+ lp->rx_ring_size = (1 << i);
+ lp->rx_mod_mask = lp->rx_ring_size - 1;
+ lp->rx_len_bits = (i << 4);
+
+ if (pcnet32_alloc_ring(dev, dev->name)) {
+ pcnet32_free_ring(dev);
+ spin_unlock_irqrestore(&lp->lock, flags);
+ return -ENOMEM;
+ }
+
+ spin_unlock_irqrestore(&lp->lock, flags);
+
+ if (pcnet32_debug & NETIF_MSG_DRV)
+ printk(KERN_INFO PFX "%s: Ring Param Settings: RX: %d, TX: %d\n",
+ dev->name, lp->rx_ring_size, lp->tx_ring_size);
+
+ if (netif_running(dev))
+ pcnet32_open(dev);
+
+ return 0;
}
static void pcnet32_get_strings(struct net_device *dev, u32 stringset, u8 *data)
if ((!data) || (data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ)))
data = (u32)(MAX_SCHEDULE_TIMEOUT / HZ);
- schedule_timeout(data * HZ);
+ msleep_interruptible(data * 1000);
del_timer_sync(&lp->blink_timer);
/* Restore the original value of the bcrs */
*buff++ = a->read_csr(ioaddr, 114);
/* read bus configuration registers */
- for (i=0; i<36; i++) {
+ for (i=0; i<30; i++) {
+ *buff++ = a->read_bcr(ioaddr, i);
+ }
+ *buff++ = 0; /* skip bcr30 so as not to hang 79C976 */
+ for (i=31; i<36; i++) {
*buff++ = a->read_bcr(ioaddr, i);
}
.nway_reset = pcnet32_nway_reset,
.get_link = pcnet32_get_link,
.get_ringparam = pcnet32_get_ringparam,
+ .set_ringparam = pcnet32_set_ringparam,
.get_tx_csum = ethtool_op_get_tx_csum,
.get_sg = ethtool_op_get_sg,
.get_tso = ethtool_op_get_tso,
.phys_id = pcnet32_phys_id,
.get_regs_len = pcnet32_get_regs_len,
.get_regs = pcnet32_get_regs,
+ .get_perm_addr = ethtool_op_get_perm_addr,
};
/* only probes for non-PCI devices, the rest are handled by
if (memcmp(promaddr, dev->dev_addr, 6)
|| !is_valid_ether_addr(dev->dev_addr)) {
-#ifndef __powerpc__
if (is_valid_ether_addr(promaddr)) {
-#else
- if (!is_valid_ether_addr(dev->dev_addr)
- && is_valid_ether_addr(promaddr)) {
-#endif
if (pcnet32_debug & NETIF_MSG_PROBE) {
printk(" warning: CSR address invalid,\n");
printk(KERN_INFO " using instead PROM address of");
memcpy(dev->dev_addr, promaddr, 6);
}
}
+ memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
/* if the ethernet address is not valid, force to 00:00:00:00:00:00 */
- if (!is_valid_ether_addr(dev->dev_addr))
+ if (!is_valid_ether_addr(dev->perm_addr))
memset(dev->dev_addr, 0, sizeof(dev->dev_addr));
if (pcnet32_debug & NETIF_MSG_PROBE) {
dev->priv = lp;
lp->name = chipname;
lp->shared_irq = shared;
+ lp->tx_ring_size = TX_RING_SIZE; /* default tx ring size */
+ lp->rx_ring_size = RX_RING_SIZE; /* default rx ring size */
+ lp->tx_mod_mask = lp->tx_ring_size - 1;
+ lp->rx_mod_mask = lp->rx_ring_size - 1;
+ lp->tx_len_bits = (PCNET32_LOG_TX_BUFFERS << 12);
+ lp->rx_len_bits = (PCNET32_LOG_RX_BUFFERS << 4);
lp->mii_if.full_duplex = fdx;
lp->mii_if.phy_id_mask = 0x1f;
lp->mii_if.reg_num_mask = 0x1f;
}
lp->a = *a;
+ /* prior to register_netdev, dev->name is not yet correct */
+ if (pcnet32_alloc_ring(dev, pci_name(lp->pci_dev))) {
+ ret = -ENOMEM;
+ goto err_free_ring;
+ }
/* detect special T1/E1 WAN card by checking for MAC address */
if (dev->dev_addr[0] == 0x00 && dev->dev_addr[1] == 0xe0
&& dev->dev_addr[2] == 0x75)
lp->options = PCNET32_PORT_FD | PCNET32_PORT_GPSI;
lp->init_block.mode = le16_to_cpu(0x0003); /* Disable Rx and Tx. */
- lp->init_block.tlen_rlen = le16_to_cpu(TX_RING_LEN_BITS | RX_RING_LEN_BITS);
+ lp->init_block.tlen_rlen = le16_to_cpu(lp->tx_len_bits | lp->rx_len_bits);
for (i = 0; i < 6; i++)
lp->init_block.phys_addr[i] = dev->dev_addr[i];
lp->init_block.filter[0] = 0x00000000;
lp->init_block.filter[1] = 0x00000000;
- lp->init_block.rx_ring = (u32)le32_to_cpu(lp->dma_addr +
- offsetof(struct pcnet32_private, rx_ring));
- lp->init_block.tx_ring = (u32)le32_to_cpu(lp->dma_addr +
- offsetof(struct pcnet32_private, tx_ring));
+ lp->init_block.rx_ring = (u32)le32_to_cpu(lp->rx_ring_dma_addr);
+ lp->init_block.tx_ring = (u32)le32_to_cpu(lp->tx_ring_dma_addr);
/* switch pcnet32 to 32bit mode */
a->write_bcr(ioaddr, 20, 2);
if (pcnet32_debug & NETIF_MSG_PROBE)
printk(", failed to detect IRQ line.\n");
ret = -ENODEV;
- goto err_free_consistent;
+ goto err_free_ring;
}
if (pcnet32_debug & NETIF_MSG_PROBE)
printk(", probed IRQ %d.\n", dev->irq);
/* Fill in the generic fields of the device structure. */
if (register_netdev(dev))
- goto err_free_consistent;
+ goto err_free_ring;
if (pdev) {
pci_set_drvdata(pdev, dev);
return 0;
+err_free_ring:
+ pcnet32_free_ring(dev);
err_free_consistent:
pci_free_consistent(lp->pci_dev, sizeof(*lp), lp, lp->dma_addr);
err_free_netdev:
}
+/* if any allocation fails, caller must also call pcnet32_free_ring */
+static int pcnet32_alloc_ring(struct net_device *dev, char *name)
+{
+ struct pcnet32_private *lp = dev->priv;
+
+ lp->tx_ring = pci_alloc_consistent(lp->pci_dev,
+ sizeof(struct pcnet32_tx_head) * lp->tx_ring_size,
+ &lp->tx_ring_dma_addr);
+ if (lp->tx_ring == NULL) {
+ if (pcnet32_debug & NETIF_MSG_DRV)
+ printk("\n" KERN_ERR PFX "%s: Consistent memory allocation failed.\n",
+ name);
+ return -ENOMEM;
+ }
+
+ lp->rx_ring = pci_alloc_consistent(lp->pci_dev,
+ sizeof(struct pcnet32_rx_head) * lp->rx_ring_size,
+ &lp->rx_ring_dma_addr);
+ if (lp->rx_ring == NULL) {
+ if (pcnet32_debug & NETIF_MSG_DRV)
+ printk("\n" KERN_ERR PFX "%s: Consistent memory allocation failed.\n",
+ name);
+ return -ENOMEM;
+ }
+
+ lp->tx_dma_addr = kmalloc(sizeof(dma_addr_t) * lp->tx_ring_size,
+ GFP_ATOMIC);
+ if (!lp->tx_dma_addr) {
+ if (pcnet32_debug & NETIF_MSG_DRV)
+ printk("\n" KERN_ERR PFX "%s: Memory allocation failed.\n", name);
+ return -ENOMEM;
+ }
+ memset(lp->tx_dma_addr, 0, sizeof(dma_addr_t) * lp->tx_ring_size);
+
+ lp->rx_dma_addr = kmalloc(sizeof(dma_addr_t) * lp->rx_ring_size,
+ GFP_ATOMIC);
+ if (!lp->rx_dma_addr) {
+ if (pcnet32_debug & NETIF_MSG_DRV)
+ printk("\n" KERN_ERR PFX "%s: Memory allocation failed.\n", name);
+ return -ENOMEM;
+ }
+ memset(lp->rx_dma_addr, 0, sizeof(dma_addr_t) * lp->rx_ring_size);
+
+ lp->tx_skbuff = kmalloc(sizeof(struct sk_buff *) * lp->tx_ring_size,
+ GFP_ATOMIC);
+ if (!lp->tx_skbuff) {
+ if (pcnet32_debug & NETIF_MSG_DRV)
+ printk("\n" KERN_ERR PFX "%s: Memory allocation failed.\n", name);
+ return -ENOMEM;
+ }
+ memset(lp->tx_skbuff, 0, sizeof(struct sk_buff *) * lp->tx_ring_size);
+
+ lp->rx_skbuff = kmalloc(sizeof(struct sk_buff *) * lp->rx_ring_size,
+ GFP_ATOMIC);
+ if (!lp->rx_skbuff) {
+ if (pcnet32_debug & NETIF_MSG_DRV)
+ printk("\n" KERN_ERR PFX "%s: Memory allocation failed.\n", name);
+ return -ENOMEM;
+ }
+ memset(lp->rx_skbuff, 0, sizeof(struct sk_buff *) * lp->rx_ring_size);
+
+ return 0;
+}
+
+
+static void pcnet32_free_ring(struct net_device *dev)
+{
+ struct pcnet32_private *lp = dev->priv;
+
+ kfree(lp->tx_skbuff);
+ lp->tx_skbuff = NULL;
+
+ kfree(lp->rx_skbuff);
+ lp->rx_skbuff = NULL;
+
+ kfree(lp->tx_dma_addr);
+ lp->tx_dma_addr = NULL;
+
+ kfree(lp->rx_dma_addr);
+ lp->rx_dma_addr = NULL;
+
+ if (lp->tx_ring) {
+ pci_free_consistent(lp->pci_dev, sizeof(struct pcnet32_tx_head) * lp->tx_ring_size,
+ lp->tx_ring, lp->tx_ring_dma_addr);
+ lp->tx_ring = NULL;
+ }
+
+ if (lp->rx_ring) {
+ pci_free_consistent(lp->pci_dev, sizeof(struct pcnet32_rx_head) * lp->rx_ring_size,
+ lp->rx_ring, lp->rx_ring_dma_addr);
+ lp->rx_ring = NULL;
+ }
+}
+
+
static int
pcnet32_open(struct net_device *dev)
{
if (netif_msg_ifup(lp))
printk(KERN_DEBUG "%s: pcnet32_open() irq %d tx/rx rings %#x/%#x init %#x.\n",
dev->name, dev->irq,
- (u32) (lp->dma_addr + offsetof(struct pcnet32_private, tx_ring)),
- (u32) (lp->dma_addr + offsetof(struct pcnet32_private, rx_ring)),
+ (u32) (lp->tx_ring_dma_addr),
+ (u32) (lp->rx_ring_dma_addr),
(u32) (lp->dma_addr + offsetof(struct pcnet32_private, init_block)));
/* set/reset autoselect bit */
val |= 0x10;
lp->a.write_csr (ioaddr, 124, val);
- /* Allied Telesyn AT 2700/2701 FX looses the link, so skip that */
+ /* Allied Telesyn AT 2700/2701 FX are 100Mbit only and do not negotiate */
if (lp->pci_dev->subsystem_vendor == PCI_VENDOR_ID_AT &&
- (lp->pci_dev->subsystem_device == PCI_SUBDEVICE_ID_AT_2700FX ||
- lp->pci_dev->subsystem_device == PCI_SUBDEVICE_ID_AT_2701FX)) {
- printk(KERN_DEBUG "%s: Skipping PHY selection.\n", dev->name);
- } else {
+ (lp->pci_dev->subsystem_device == PCI_SUBDEVICE_ID_AT_2700FX ||
+ lp->pci_dev->subsystem_device == PCI_SUBDEVICE_ID_AT_2701FX)) {
+ if (lp->options & PCNET32_PORT_ASEL) {
+ lp->options = PCNET32_PORT_FD | PCNET32_PORT_100;
+ if (netif_msg_link(lp))
+ printk(KERN_DEBUG "%s: Setting 100Mb-Full Duplex.\n",
+ dev->name);
+ }
+ }
+ {
/*
* 24 Jun 2004 according AMD, in order to change the PHY,
* DANAS (or DISPM for 79C976) must be set; then select the speed,
err_free_ring:
/* free any allocated skbuffs */
- for (i = 0; i < RX_RING_SIZE; i++) {
+ for (i = 0; i < lp->rx_ring_size; i++) {
lp->rx_ring[i].status = 0;
if (lp->rx_skbuff[i]) {
pci_unmap_single(lp->pci_dev, lp->rx_dma_addr[i], PKT_BUF_SZ-2,
lp->rx_skbuff[i] = NULL;
lp->rx_dma_addr[i] = 0;
}
+
+ pcnet32_free_ring(dev);
+
/*
* Switch back to 16bit mode to avoid problems with dumb
* DOS packet driver after a warm reboot
struct pcnet32_private *lp = dev->priv;
int i;
- for (i = 0; i < TX_RING_SIZE; i++) {
+ for (i = 0; i < lp->tx_ring_size; i++) {
lp->tx_ring[i].status = 0; /* CPU owns buffer */
wmb(); /* Make sure adapter sees owner change */
if (lp->tx_skbuff[i]) {
lp->cur_rx = lp->cur_tx = 0;
lp->dirty_rx = lp->dirty_tx = 0;
- for (i = 0; i < RX_RING_SIZE; i++) {
+ for (i = 0; i < lp->rx_ring_size; i++) {
struct sk_buff *rx_skbuff = lp->rx_skbuff[i];
if (rx_skbuff == NULL) {
if (!(rx_skbuff = lp->rx_skbuff[i] = dev_alloc_skb (PKT_BUF_SZ))) {
rmb();
if (lp->rx_dma_addr[i] == 0)
- lp->rx_dma_addr[i] = pci_map_single(lp->pci_dev, rx_skbuff->tail,
+ lp->rx_dma_addr[i] = pci_map_single(lp->pci_dev, rx_skbuff->data,
PKT_BUF_SZ-2, PCI_DMA_FROMDEVICE);
lp->rx_ring[i].base = (u32)le32_to_cpu(lp->rx_dma_addr[i]);
lp->rx_ring[i].buf_length = le16_to_cpu(2-PKT_BUF_SZ);
}
/* The Tx buffer address is filled in as needed, but we do need to clear
* the upper ownership bit. */
- for (i = 0; i < TX_RING_SIZE; i++) {
+ for (i = 0; i < lp->tx_ring_size; i++) {
lp->tx_ring[i].status = 0; /* CPU owns buffer */
wmb(); /* Make sure adapter sees owner change */
lp->tx_ring[i].base = 0;
lp->tx_dma_addr[i] = 0;
}
- lp->init_block.tlen_rlen = le16_to_cpu(TX_RING_LEN_BITS | RX_RING_LEN_BITS);
+ lp->init_block.tlen_rlen = le16_to_cpu(lp->tx_len_bits | lp->rx_len_bits);
for (i = 0; i < 6; i++)
lp->init_block.phys_addr[i] = dev->dev_addr[i];
- lp->init_block.rx_ring = (u32)le32_to_cpu(lp->dma_addr +
- offsetof(struct pcnet32_private, rx_ring));
- lp->init_block.tx_ring = (u32)le32_to_cpu(lp->dma_addr +
- offsetof(struct pcnet32_private, tx_ring));
+ lp->init_block.rx_ring = (u32)le32_to_cpu(lp->rx_ring_dma_addr);
+ lp->init_block.tx_ring = (u32)le32_to_cpu(lp->tx_ring_dma_addr);
wmb(); /* Make sure all changes are visible */
return 0;
}
printk(KERN_DEBUG " Ring data dump: dirty_tx %d cur_tx %d%s cur_rx %d.",
lp->dirty_tx, lp->cur_tx, lp->tx_full ? " (full)" : "",
lp->cur_rx);
- for (i = 0 ; i < RX_RING_SIZE; i++)
+ for (i = 0 ; i < lp->rx_ring_size; i++)
printk("%s %08x %04x %08x %04x", i & 1 ? "" : "\n ",
le32_to_cpu(lp->rx_ring[i].base),
(-le16_to_cpu(lp->rx_ring[i].buf_length)) & 0xffff,
le32_to_cpu(lp->rx_ring[i].msg_length),
le16_to_cpu(lp->rx_ring[i].status));
- for (i = 0 ; i < TX_RING_SIZE; i++)
+ for (i = 0 ; i < lp->tx_ring_size; i++)
printk("%s %08x %04x %08x %04x", i & 1 ? "" : "\n ",
le32_to_cpu(lp->tx_ring[i].base),
(-le16_to_cpu(lp->tx_ring[i].length)) & 0xffff,
/* Fill in a Tx ring entry */
/* Mask to ring buffer boundary. */
- entry = lp->cur_tx & TX_RING_MOD_MASK;
+ entry = lp->cur_tx & lp->tx_mod_mask;
/* Caution: the write order is important here, set the status
* with the "ownership" bits last. */
dev->trans_start = jiffies;
- if (lp->tx_ring[(entry+1) & TX_RING_MOD_MASK].base != 0) {
+ if (lp->tx_ring[(entry+1) & lp->tx_mod_mask].base != 0) {
lp->tx_full = 1;
netif_stop_queue(dev);
}
int delta;
while (dirty_tx != lp->cur_tx) {
- int entry = dirty_tx & TX_RING_MOD_MASK;
+ int entry = dirty_tx & lp->tx_mod_mask;
int status = (short)le16_to_cpu(lp->tx_ring[entry].status);
if (status < 0)
dirty_tx++;
}
- delta = (lp->cur_tx - dirty_tx) & (TX_RING_MOD_MASK + TX_RING_SIZE);
- if (delta > TX_RING_SIZE) {
+ delta = (lp->cur_tx - dirty_tx) & (lp->tx_mod_mask + lp->tx_ring_size);
+ if (delta > lp->tx_ring_size) {
if (netif_msg_drv(lp))
printk(KERN_ERR "%s: out-of-sync dirty pointer, %d vs. %d, full=%d.\n",
dev->name, dirty_tx, lp->cur_tx, lp->tx_full);
- dirty_tx += TX_RING_SIZE;
- delta -= TX_RING_SIZE;
+ dirty_tx += lp->tx_ring_size;
+ delta -= lp->tx_ring_size;
}
if (lp->tx_full &&
netif_queue_stopped(dev) &&
- delta < TX_RING_SIZE - 2) {
+ delta < lp->tx_ring_size - 2) {
/* The ring is no longer full, clear tbusy. */
lp->tx_full = 0;
netif_wake_queue (dev);
pcnet32_rx(struct net_device *dev)
{
struct pcnet32_private *lp = dev->priv;
- int entry = lp->cur_rx & RX_RING_MOD_MASK;
- int boguscnt = RX_RING_SIZE / 2;
+ int entry = lp->cur_rx & lp->rx_mod_mask;
+ int boguscnt = lp->rx_ring_size / 2;
/* If we own the next entry, it's a new packet. Send it up. */
while ((short)le16_to_cpu(lp->rx_ring[entry].status) >= 0) {
lp->rx_skbuff[entry] = newskb;
newskb->dev = dev;
lp->rx_dma_addr[entry] =
- pci_map_single(lp->pci_dev, newskb->tail,
+ pci_map_single(lp->pci_dev, newskb->data,
PKT_BUF_SZ-2, PCI_DMA_FROMDEVICE);
lp->rx_ring[entry].base = le32_to_cpu(lp->rx_dma_addr[entry]);
rx_in_place = 1;
if (netif_msg_drv(lp))
printk(KERN_ERR "%s: Memory squeeze, deferring packet.\n",
dev->name);
- for (i = 0; i < RX_RING_SIZE; i++)
+ for (i = 0; i < lp->rx_ring_size; i++)
if ((short)le16_to_cpu(lp->rx_ring[(entry+i)
- & RX_RING_MOD_MASK].status) < 0)
+ & lp->rx_mod_mask].status) < 0)
break;
- if (i > RX_RING_SIZE -2) {
+ if (i > lp->rx_ring_size -2) {
lp->stats.rx_dropped++;
lp->rx_ring[entry].status |= le16_to_cpu(0x8000);
wmb(); /* Make sure adapter sees owner change */
PKT_BUF_SZ-2,
PCI_DMA_FROMDEVICE);
eth_copy_and_sum(skb,
- (unsigned char *)(lp->rx_skbuff[entry]->tail),
+ (unsigned char *)(lp->rx_skbuff[entry]->data),
pkt_len,0);
pci_dma_sync_single_for_device(lp->pci_dev,
lp->rx_dma_addr[entry],
lp->rx_ring[entry].buf_length = le16_to_cpu(2-PKT_BUF_SZ);
wmb(); /* Make sure owner changes after all others are visible */
lp->rx_ring[entry].status |= le16_to_cpu(0x8000);
- entry = (++lp->cur_rx) & RX_RING_MOD_MASK;
+ entry = (++lp->cur_rx) & lp->rx_mod_mask;
if (--boguscnt <= 0) break; /* don't stay in loop forever */
}
spin_lock_irqsave(&lp->lock, flags);
/* free all allocated skbuffs */
- for (i = 0; i < RX_RING_SIZE; i++) {
+ for (i = 0; i < lp->rx_ring_size; i++) {
lp->rx_ring[i].status = 0;
wmb(); /* Make sure adapter sees owner change */
if (lp->rx_skbuff[i]) {
lp->rx_dma_addr[i] = 0;
}
- for (i = 0; i < TX_RING_SIZE; i++) {
+ for (i = 0; i < lp->tx_ring_size; i++) {
lp->tx_ring[i].status = 0; /* CPU owns buffer */
wmb(); /* Make sure adapter sees owner change */
if (lp->tx_skbuff[i]) {
struct pcnet32_private *lp = dev->priv;
unregister_netdev(dev);
+ pcnet32_free_ring(dev);
release_region(dev->base_addr, PCNET32_TOTAL_SIZE);
pci_free_consistent(lp->pci_dev, sizeof(*lp), lp, lp->dma_addr);
free_netdev(dev);
struct pcnet32_private *lp = pcnet32_dev->priv;
next_dev = lp->next;
unregister_netdev(pcnet32_dev);
+ pcnet32_free_ring(pcnet32_dev);
release_region(pcnet32_dev->base_addr, PCNET32_TOTAL_SIZE);
pci_free_consistent(lp->pci_dev, sizeof(*lp), lp, lp->dma_addr);
free_netdev(pcnet32_dev);
git://git.onelab.eu / linux-2.6.git / blobdiff