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[PATCH] forcedeth config: ring sizes 

This patch allows for configurable ring size through ethtool support.

Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Ayaz Abdulla 2006-06-10 22:47:34 -04:00 коммит произвёл Jeff Garzik
Родитель 6a78814f6c
Коммит eafa59f6bc
1 изменённых файлов: 239 добавлений и 57 удалений
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296
drivers/net/forcedeth.c
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@ -456,16 +456,18 @@ typedef union _ring_type {
/* General driver defaults */
#define NV_WATCHDOG_TIMEO (5*HZ)
#define RX_RING 128
#define TX_RING 256
#define RX_RING_DEFAULT 128
#define TX_RING_DEFAULT 256
#define RX_RING_MIN 128
#define TX_RING_MIN 64
#define RING_MAX_DESC_VER_1 1024
#define RING_MAX_DESC_VER_2_3 16384
/*
* If your nic mysteriously hangs then try to reduce the limits
* to 1/0: It might be required to set NV_TX_LASTPACKET in the
* last valid ring entry. But this would be impossible to
* implement - probably a disassembly error.
* Difference between the get and put pointers for the tx ring.
* This is used to throttle the amount of data outstanding in the
* tx ring.
*/
#define TX_LIMIT_STOP 255
#define TX_LIMIT_START 254
#define TX_LIMIT_DIFFERENCE 1
/* rx/tx mac addr + type + vlan + align + slack*/
#define NV_RX_HEADERS (64)
@ -577,13 +579,14 @@ struct fe_priv {
*/
ring_type rx_ring;
unsigned int cur_rx, refill_rx;
struct sk_buff *rx_skbuff[RX_RING];
dma_addr_t rx_dma[RX_RING];
struct sk_buff **rx_skbuff;
dma_addr_t *rx_dma;
unsigned int rx_buf_sz;
unsigned int pkt_limit;
struct timer_list oom_kick;
struct timer_list nic_poll;
u32 nic_poll_irq;
int rx_ring_size;
/* media detection workaround.
* Locking: Within irq hander or disable_irq+spin_lock(&np->lock);
@ -595,10 +598,13 @@ struct fe_priv {
*/
ring_type tx_ring;
unsigned int next_tx, nic_tx;
struct sk_buff *tx_skbuff[TX_RING];
dma_addr_t tx_dma[TX_RING];
unsigned int tx_dma_len[TX_RING];
struct sk_buff **tx_skbuff;
dma_addr_t *tx_dma;
unsigned int *tx_dma_len;
u32 tx_flags;
int tx_ring_size;
int tx_limit_start;
int tx_limit_stop;
/* vlan fields */
struct vlan_group *vlangrp;
@ -704,7 +710,7 @@ static void setup_hw_rings(struct net_device *dev, int rxtx_flags)
writel((u32) cpu_to_le64(np->ring_addr), base + NvRegRxRingPhysAddr);
}
if (rxtx_flags & NV_SETUP_TX_RING) {
writel((u32) cpu_to_le64(np->ring_addr + RX_RING*sizeof(struct ring_desc)), base + NvRegTxRingPhysAddr);
writel((u32) cpu_to_le64(np->ring_addr + np->rx_ring_size*sizeof(struct ring_desc)), base + NvRegTxRingPhysAddr);
}
} else {
if (rxtx_flags & NV_SETUP_RX_RING) {
@ -712,12 +718,37 @@ static void setup_hw_rings(struct net_device *dev, int rxtx_flags)
writel((u32) (cpu_to_le64(np->ring_addr) >> 32), base + NvRegRxRingPhysAddrHigh);
}
if (rxtx_flags & NV_SETUP_TX_RING) {
writel((u32) cpu_to_le64(np->ring_addr + RX_RING*sizeof(struct ring_desc_ex)), base + NvRegTxRingPhysAddr);
writel((u32) (cpu_to_le64(np->ring_addr + RX_RING*sizeof(struct ring_desc_ex)) >> 32), base + NvRegTxRingPhysAddrHigh);
writel((u32) cpu_to_le64(np->ring_addr + np->rx_ring_size*sizeof(struct ring_desc_ex)), base + NvRegTxRingPhysAddr);
writel((u32) (cpu_to_le64(np->ring_addr + np->rx_ring_size*sizeof(struct ring_desc_ex)) >> 32), base + NvRegTxRingPhysAddrHigh);
}
}
}
static void free_rings(struct net_device *dev)
{
struct fe_priv *np = get_nvpriv(dev);
if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) {
if(np->rx_ring.orig)
pci_free_consistent(np->pci_dev, sizeof(struct ring_desc) * (np->rx_ring_size + np->tx_ring_size),
np->rx_ring.orig, np->ring_addr);
} else {
if (np->rx_ring.ex)
pci_free_consistent(np->pci_dev, sizeof(struct ring_desc_ex) * (np->rx_ring_size + np->tx_ring_size),
np->rx_ring.ex, np->ring_addr);
}
if (np->rx_skbuff)
kfree(np->rx_skbuff);
if (np->rx_dma)
kfree(np->rx_dma);
if (np->tx_skbuff)
kfree(np->tx_skbuff);
if (np->tx_dma)
kfree(np->tx_dma);
if (np->tx_dma_len)
kfree(np->tx_dma_len);
}
static int using_multi_irqs(struct net_device *dev)
{
struct fe_priv *np = get_nvpriv(dev);
@ -1056,7 +1087,7 @@ static int nv_alloc_rx(struct net_device *dev)
while (np->cur_rx != refill_rx) {
struct sk_buff *skb;
nr = refill_rx % RX_RING;
nr = refill_rx % np->rx_ring_size;
if (np->rx_skbuff[nr] == NULL) {
skb = dev_alloc_skb(np->rx_buf_sz + NV_RX_ALLOC_PAD);
@ -1085,7 +1116,7 @@ static int nv_alloc_rx(struct net_device *dev)
refill_rx++;
}
np->refill_rx = refill_rx;
if (np->cur_rx - refill_rx == RX_RING)
if (np->cur_rx - refill_rx == np->rx_ring_size)
return 1;
return 0;
}
@ -1124,9 +1155,9 @@ static void nv_init_rx(struct net_device *dev)
struct fe_priv *np = netdev_priv(dev);
int i;
np->cur_rx = RX_RING;
np->cur_rx = np->rx_ring_size;
np->refill_rx = 0;
for (i = 0; i < RX_RING; i++)
for (i = 0; i < np->rx_ring_size; i++)
if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2)
np->rx_ring.orig[i].FlagLen = 0;
else
@ -1139,7 +1170,7 @@ static void nv_init_tx(struct net_device *dev)
int i;
np->next_tx = np->nic_tx = 0;
for (i = 0; i < TX_RING; i++) {
for (i = 0; i < np->tx_ring_size; i++) {
if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2)
np->tx_ring.orig[i].FlagLen = 0;
else
@ -1184,7 +1215,7 @@ static void nv_drain_tx(struct net_device *dev)
struct fe_priv *np = netdev_priv(dev);
unsigned int i;
for (i = 0; i < TX_RING; i++) {
for (i = 0; i < np->tx_ring_size; i++) {
if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2)
np->tx_ring.orig[i].FlagLen = 0;
else
@ -1198,7 +1229,7 @@ static void nv_drain_rx(struct net_device *dev)
{
struct fe_priv *np = netdev_priv(dev);
int i;
for (i = 0; i < RX_RING; i++) {
for (i = 0; i < np->rx_ring_size; i++) {
if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2)
np->rx_ring.orig[i].FlagLen = 0;
else
@ -1230,8 +1261,8 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev)
u32 tx_flags = 0;
u32 tx_flags_extra = (np->desc_ver == DESC_VER_1 ? NV_TX_LASTPACKET : NV_TX2_LASTPACKET);
unsigned int fragments = skb_shinfo(skb)->nr_frags;
unsigned int nr = (np->next_tx - 1) % TX_RING;
unsigned int start_nr = np->next_tx % TX_RING;
unsigned int nr = (np->next_tx - 1) % np->tx_ring_size;
unsigned int start_nr = np->next_tx % np->tx_ring_size;
unsigned int i;
u32 offset = 0;
u32 bcnt;
@ -1247,7 +1278,7 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev)
spin_lock_irq(&np->lock);
if ((np->next_tx - np->nic_tx + entries - 1) > TX_LIMIT_STOP) {
if ((np->next_tx - np->nic_tx + entries - 1) > np->tx_limit_stop) {
spin_unlock_irq(&np->lock);
netif_stop_queue(dev);
return NETDEV_TX_BUSY;
@ -1256,7 +1287,7 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* setup the header buffer */
do {
bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size;
nr = (nr + 1) % TX_RING;
nr = (nr + 1) % np->tx_ring_size;
np->tx_dma[nr] = pci_map_single(np->pci_dev, skb->data + offset, bcnt,
PCI_DMA_TODEVICE);
@ -1283,7 +1314,7 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev)
do {
bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size;
nr = (nr + 1) % TX_RING;
nr = (nr + 1) % np->tx_ring_size;
np->tx_dma[nr] = pci_map_page(np->pci_dev, frag->page, frag->page_offset+offset, bcnt,
PCI_DMA_TODEVICE);
@ -1365,7 +1396,7 @@ static void nv_tx_done(struct net_device *dev)
struct sk_buff *skb;
while (np->nic_tx != np->next_tx) {
i = np->nic_tx % TX_RING;
i = np->nic_tx % np->tx_ring_size;
if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2)
Flags = le32_to_cpu(np->tx_ring.orig[i].FlagLen);
@ -1410,7 +1441,7 @@ static void nv_tx_done(struct net_device *dev)
nv_release_txskb(dev, i);
np->nic_tx++;
}
if (np->next_tx - np->nic_tx < TX_LIMIT_START)
if (np->next_tx - np->nic_tx < np->tx_limit_start)
netif_wake_queue(dev);
}
@ -1447,7 +1478,7 @@ static void nv_tx_timeout(struct net_device *dev)
readl(base + i + 24), readl(base + i + 28));
}
printk(KERN_INFO "%s: Dumping tx ring\n", dev->name);
for (i=0;i<TX_RING;i+= 4) {
for (i=0;i<np->tx_ring_size;i+= 4) {
if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) {
printk(KERN_INFO "%03x: %08x %08x // %08x %08x // %08x %08x // %08x %08x\n",
i,
@ -1563,10 +1594,10 @@ static void nv_rx_process(struct net_device *dev)
struct sk_buff *skb;
int len;
int i;
if (np->cur_rx - np->refill_rx >= RX_RING)
if (np->cur_rx - np->refill_rx >= np->rx_ring_size)
break; /* we scanned the whole ring - do not continue */
i = np->cur_rx % RX_RING;
i = np->cur_rx % np->rx_ring_size;
if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) {
Flags = le32_to_cpu(np->rx_ring.orig[i].FlagLen);
len = nv_descr_getlength(&np->rx_ring.orig[i], np->desc_ver);
@ -1755,18 +1786,15 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu)
nv_drain_rx(dev);
nv_drain_tx(dev);
/* reinit driver view of the rx queue */
nv_init_rx(dev);
nv_init_tx(dev);
/* alloc new rx buffers */
set_bufsize(dev);
if (nv_alloc_rx(dev)) {
if (nv_init_ring(dev)) {
if (!np->in_shutdown)
mod_timer(&np->oom_kick, jiffies + OOM_REFILL);
}
/* reinit nic view of the rx queue */
writel(np->rx_buf_sz, base + NvRegOffloadConfig);
setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING);
writel( ((RX_RING-1) << NVREG_RINGSZ_RXSHIFT) + ((TX_RING-1) << NVREG_RINGSZ_TXSHIFT),
writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT),
base + NvRegRingSizes);
pci_push(base);
writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl);
@ -2685,6 +2713,149 @@ static int nv_set_tso(struct net_device *dev, u32 value)
return -EOPNOTSUPP;
}
static void nv_get_ringparam(struct net_device *dev, struct ethtool_ringparam* ring)
{
struct fe_priv *np = netdev_priv(dev);
ring->rx_max_pending = (np->desc_ver == DESC_VER_1) ? RING_MAX_DESC_VER_1 : RING_MAX_DESC_VER_2_3;
ring->rx_mini_max_pending = 0;
ring->rx_jumbo_max_pending = 0;
ring->tx_max_pending = (np->desc_ver == DESC_VER_1) ? RING_MAX_DESC_VER_1 : RING_MAX_DESC_VER_2_3;
ring->rx_pending = np->rx_ring_size;
ring->rx_mini_pending = 0;
ring->rx_jumbo_pending = 0;
ring->tx_pending = np->tx_ring_size;
}
static int nv_set_ringparam(struct net_device *dev, struct ethtool_ringparam* ring)
{
struct fe_priv *np = netdev_priv(dev);
u8 __iomem *base = get_hwbase(dev);
u8 *rxtx_ring, *rx_skbuff, *tx_skbuff, *rx_dma, *tx_dma, *tx_dma_len;
dma_addr_t ring_addr;
if (ring->rx_pending < RX_RING_MIN ||
ring->tx_pending < TX_RING_MIN ||
ring->rx_mini_pending != 0 ||
ring->rx_jumbo_pending != 0 ||
(np->desc_ver == DESC_VER_1 &&
(ring->rx_pending > RING_MAX_DESC_VER_1 ||
ring->tx_pending > RING_MAX_DESC_VER_1)) ||
(np->desc_ver != DESC_VER_1 &&
(ring->rx_pending > RING_MAX_DESC_VER_2_3 ||
ring->tx_pending > RING_MAX_DESC_VER_2_3))) {
return -EINVAL;
}
/* allocate new rings */
if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) {
rxtx_ring = pci_alloc_consistent(np->pci_dev,
sizeof(struct ring_desc) * (ring->rx_pending + ring->tx_pending),
&ring_addr);
} else {
rxtx_ring = pci_alloc_consistent(np->pci_dev,
sizeof(struct ring_desc_ex) * (ring->rx_pending + ring->tx_pending),
&ring_addr);
}
rx_skbuff = kmalloc(sizeof(struct sk_buff*) * ring->rx_pending, GFP_KERNEL);
rx_dma = kmalloc(sizeof(dma_addr_t) * ring->rx_pending, GFP_KERNEL);
tx_skbuff = kmalloc(sizeof(struct sk_buff*) * ring->tx_pending, GFP_KERNEL);
tx_dma = kmalloc(sizeof(dma_addr_t) * ring->tx_pending, GFP_KERNEL);
tx_dma_len = kmalloc(sizeof(unsigned int) * ring->tx_pending, GFP_KERNEL);
if (!rxtx_ring || !rx_skbuff || !rx_dma || !tx_skbuff || !tx_dma || !tx_dma_len) {
/* fall back to old rings */
if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) {
if(rxtx_ring)
pci_free_consistent(np->pci_dev, sizeof(struct ring_desc) * (ring->rx_pending + ring->tx_pending),
rxtx_ring, ring_addr);
} else {
if (rxtx_ring)
pci_free_consistent(np->pci_dev, sizeof(struct ring_desc_ex) * (ring->rx_pending + ring->tx_pending),
rxtx_ring, ring_addr);
}
if (rx_skbuff)
kfree(rx_skbuff);
if (rx_dma)
kfree(rx_dma);
if (tx_skbuff)
kfree(tx_skbuff);
if (tx_dma)
kfree(tx_dma);
if (tx_dma_len)
kfree(tx_dma_len);
goto exit;
}
if (netif_running(dev)) {
nv_disable_irq(dev);
spin_lock_bh(&dev->xmit_lock);
spin_lock(&np->lock);
/* stop engines */
nv_stop_rx(dev);
nv_stop_tx(dev);
nv_txrx_reset(dev);
/* drain queues */
nv_drain_rx(dev);
nv_drain_tx(dev);
/* delete queues */
free_rings(dev);
}
/* set new values */
np->rx_ring_size = ring->rx_pending;
np->tx_ring_size = ring->tx_pending;
np->tx_limit_stop = ring->tx_pending - TX_LIMIT_DIFFERENCE;
np->tx_limit_start = ring->tx_pending - TX_LIMIT_DIFFERENCE - 1;
if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) {
np->rx_ring.orig = (struct ring_desc*)rxtx_ring;
np->tx_ring.orig = &np->rx_ring.orig[np->rx_ring_size];
} else {
np->rx_ring.ex = (struct ring_desc_ex*)rxtx_ring;
np->tx_ring.ex = &np->rx_ring.ex[np->rx_ring_size];
}
np->rx_skbuff = (struct sk_buff**)rx_skbuff;
np->rx_dma = (dma_addr_t*)rx_dma;
np->tx_skbuff = (struct sk_buff**)tx_skbuff;
np->tx_dma = (dma_addr_t*)tx_dma;
np->tx_dma_len = (unsigned int*)tx_dma_len;
np->ring_addr = ring_addr;
memset(np->rx_skbuff, 0, sizeof(struct sk_buff*) * np->rx_ring_size);
memset(np->rx_dma, 0, sizeof(dma_addr_t) * np->rx_ring_size);
memset(np->tx_skbuff, 0, sizeof(struct sk_buff*) * np->tx_ring_size);
memset(np->tx_dma, 0, sizeof(dma_addr_t) * np->tx_ring_size);
memset(np->tx_dma_len, 0, sizeof(unsigned int) * np->tx_ring_size);
if (netif_running(dev)) {
/* reinit driver view of the queues */
set_bufsize(dev);
if (nv_init_ring(dev)) {
if (!np->in_shutdown)
mod_timer(&np->oom_kick, jiffies + OOM_REFILL);
}
/* reinit nic view of the queues */
writel(np->rx_buf_sz, base + NvRegOffloadConfig);
setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING);
writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT),
base + NvRegRingSizes);
pci_push(base);
writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl);
pci_push(base);
/* restart engines */
nv_start_rx(dev);
nv_start_tx(dev);
spin_unlock(&np->lock);
spin_unlock_bh(&dev->xmit_lock);
nv_enable_irq(dev);
}
return 0;
exit:
return -ENOMEM;
}
static struct ethtool_ops ops = {
.get_drvinfo = nv_get_drvinfo,
.get_link = ethtool_op_get_link,
@ -2698,6 +2869,8 @@ static struct ethtool_ops ops = {
.get_perm_addr = ethtool_op_get_perm_addr,
.get_tso = ethtool_op_get_tso,
.set_tso = nv_set_tso,
.get_ringparam = nv_get_ringparam,
.set_ringparam = nv_set_ringparam,
};
static void nv_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
@ -2904,7 +3077,7 @@ static int nv_open(struct net_device *dev)
/* 4) give hw rings */
setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING);
writel( ((RX_RING-1) << NVREG_RINGSZ_RXSHIFT) + ((TX_RING-1) << NVREG_RINGSZ_TXSHIFT),
writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT),
base + NvRegRingSizes);
/* 5) continue setup */
@ -3187,21 +3360,38 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
dev->irq = pci_dev->irq;
np->rx_ring_size = RX_RING_DEFAULT;
np->tx_ring_size = TX_RING_DEFAULT;
np->tx_limit_stop = np->tx_ring_size - TX_LIMIT_DIFFERENCE;
np->tx_limit_start = np->tx_ring_size - TX_LIMIT_DIFFERENCE - 1;
if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) {
np->rx_ring.orig = pci_alloc_consistent(pci_dev,
sizeof(struct ring_desc) * (RX_RING + TX_RING),
sizeof(struct ring_desc) * (np->rx_ring_size + np->tx_ring_size),
&np->ring_addr);
if (!np->rx_ring.orig)
goto out_unmap;
np->tx_ring.orig = &np->rx_ring.orig[RX_RING];
np->tx_ring.orig = &np->rx_ring.orig[np->rx_ring_size];
} else {
np->rx_ring.ex = pci_alloc_consistent(pci_dev,
sizeof(struct ring_desc_ex) * (RX_RING + TX_RING),
sizeof(struct ring_desc_ex) * (np->rx_ring_size + np->tx_ring_size),
&np->ring_addr);
if (!np->rx_ring.ex)
goto out_unmap;
np->tx_ring.ex = &np->rx_ring.ex[RX_RING];
np->tx_ring.ex = &np->rx_ring.ex[np->rx_ring_size];
}
np->rx_skbuff = kmalloc(sizeof(struct sk_buff*) * np->rx_ring_size, GFP_KERNEL);
np->rx_dma = kmalloc(sizeof(dma_addr_t) * np->rx_ring_size, GFP_KERNEL);
np->tx_skbuff = kmalloc(sizeof(struct sk_buff*) * np->tx_ring_size, GFP_KERNEL);
np->tx_dma = kmalloc(sizeof(dma_addr_t) * np->tx_ring_size, GFP_KERNEL);
np->tx_dma_len = kmalloc(sizeof(unsigned int) * np->tx_ring_size, GFP_KERNEL);
if (!np->rx_skbuff || !np->rx_dma || !np->tx_skbuff || !np->tx_dma || !np->tx_dma_len)
goto out_freering;
memset(np->rx_skbuff, 0, sizeof(struct sk_buff*) * np->rx_ring_size);
memset(np->rx_dma, 0, sizeof(dma_addr_t) * np->rx_ring_size);
memset(np->tx_skbuff, 0, sizeof(struct sk_buff*) * np->tx_ring_size);
memset(np->tx_dma, 0, sizeof(dma_addr_t) * np->tx_ring_size);
memset(np->tx_dma_len, 0, sizeof(unsigned int) * np->tx_ring_size);
dev->open = nv_open;
dev->stop = nv_close;
@ -3323,7 +3513,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
if (i == 33) {
printk(KERN_INFO "%s: open: Could not find a valid PHY.\n",
pci_name(pci_dev));
goto out_freering;
goto out_error;
}
/* reset it */
@ -3337,7 +3527,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
err = register_netdev(dev);
if (err) {
printk(KERN_INFO "forcedeth: unable to register netdev: %d\n", err);
goto out_freering;
goto out_error;
}
printk(KERN_INFO "%s: forcedeth.c: subsystem: %05x:%04x bound to %s\n",
dev->name, pci_dev->subsystem_vendor, pci_dev->subsystem_device,
@ -3345,14 +3535,10 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
return 0;
out_freering:
if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2)
pci_free_consistent(np->pci_dev, sizeof(struct ring_desc) * (RX_RING + TX_RING),
np->rx_ring.orig, np->ring_addr);
else
pci_free_consistent(np->pci_dev, sizeof(struct ring_desc_ex) * (RX_RING + TX_RING),
np->rx_ring.ex, np->ring_addr);
out_error:
pci_set_drvdata(pci_dev, NULL);
out_freering:
free_rings(dev);
out_unmap:
iounmap(get_hwbase(dev));
out_relreg:
@ -3368,15 +3554,11 @@ out:
static void __devexit nv_remove(struct pci_dev *pci_dev)
{
struct net_device *dev = pci_get_drvdata(pci_dev);
struct fe_priv *np = netdev_priv(dev);
unregister_netdev(dev);
/* free all structures */
if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2)
pci_free_consistent(np->pci_dev, sizeof(struct ring_desc) * (RX_RING + TX_RING), np->rx_ring.orig, np->ring_addr);
else
pci_free_consistent(np->pci_dev, sizeof(struct ring_desc_ex) * (RX_RING + TX_RING), np->rx_ring.ex, np->ring_addr);
free_rings(dev);
iounmap(get_hwbase(dev));
pci_release_regions(pci_dev);
pci_disable_device(pci_dev);