#include <linux/mii.h>
#include <linux/in.h>
#include <linux/if_arp.h>
+#include <linux/if_vlan.h>
#include <linux/ip.h>
#include <linux/tcp.h>
#include <linux/udp.h>
static int velocity_nics = 0;
static int msglevel = MSG_LEVEL_INFO;
+/**
+ * mac_get_cam_mask - Read a CAM mask
+ * @regs: register block for this velocity
+ * @mask: buffer to store mask
+ *
+ * Fetch the mask bits of the selected CAM and store them into the
+ * provided mask buffer.
+ */
+
+static void mac_get_cam_mask(struct mac_regs __iomem * regs, u8 * mask)
+{
+ int i;
+
+ /* Select CAM mask */
+ BYTE_REG_BITS_SET(CAMCR_PS_CAM_MASK, CAMCR_PS1 | CAMCR_PS0, ®s->CAMCR);
+
+ writeb(0, ®s->CAMADDR);
+
+ /* read mask */
+ for (i = 0; i < 8; i++)
+ *mask++ = readb(&(regs->MARCAM[i]));
+
+ /* disable CAMEN */
+ writeb(0, ®s->CAMADDR);
+
+ /* Select mar */
+ BYTE_REG_BITS_SET(CAMCR_PS_MAR, CAMCR_PS1 | CAMCR_PS0, ®s->CAMCR);
+
+}
+
+
+/**
+ * mac_set_cam_mask - Set a CAM mask
+ * @regs: register block for this velocity
+ * @mask: CAM mask to load
+ *
+ * Store a new mask into a CAM
+ */
+
+static void mac_set_cam_mask(struct mac_regs __iomem * regs, u8 * mask)
+{
+ int i;
+ /* Select CAM mask */
+ BYTE_REG_BITS_SET(CAMCR_PS_CAM_MASK, CAMCR_PS1 | CAMCR_PS0, ®s->CAMCR);
+
+ writeb(CAMADDR_CAMEN, ®s->CAMADDR);
+
+ for (i = 0; i < 8; i++) {
+ writeb(*mask++, &(regs->MARCAM[i]));
+ }
+ /* disable CAMEN */
+ writeb(0, ®s->CAMADDR);
+
+ /* Select mar */
+ BYTE_REG_BITS_SET(CAMCR_PS_MAR, CAMCR_PS1 | CAMCR_PS0, ®s->CAMCR);
+}
+
+static void mac_set_vlan_cam_mask(struct mac_regs __iomem * regs, u8 * mask)
+{
+ int i;
+ /* Select CAM mask */
+ BYTE_REG_BITS_SET(CAMCR_PS_CAM_MASK, CAMCR_PS1 | CAMCR_PS0, ®s->CAMCR);
+
+ writeb(CAMADDR_CAMEN | CAMADDR_VCAMSL, ®s->CAMADDR);
+
+ for (i = 0; i < 8; i++) {
+ writeb(*mask++, &(regs->MARCAM[i]));
+ }
+ /* disable CAMEN */
+ writeb(0, ®s->CAMADDR);
+
+ /* Select mar */
+ BYTE_REG_BITS_SET(CAMCR_PS_MAR, CAMCR_PS1 | CAMCR_PS0, ®s->CAMCR);
+}
+
+/**
+ * mac_set_cam - set CAM data
+ * @regs: register block of this velocity
+ * @idx: Cam index
+ * @addr: 2 or 6 bytes of CAM data
+ *
+ * Load an address or vlan tag into a CAM
+ */
+
+static void mac_set_cam(struct mac_regs __iomem * regs, int idx, const u8 *addr)
+{
+ int i;
+
+ /* Select CAM mask */
+ BYTE_REG_BITS_SET(CAMCR_PS_CAM_DATA, CAMCR_PS1 | CAMCR_PS0, ®s->CAMCR);
+
+ idx &= (64 - 1);
+
+ writeb(CAMADDR_CAMEN | idx, ®s->CAMADDR);
+
+ for (i = 0; i < 6; i++) {
+ writeb(*addr++, &(regs->MARCAM[i]));
+ }
+ BYTE_REG_BITS_ON(CAMCR_CAMWR, ®s->CAMCR);
+
+ udelay(10);
+
+ writeb(0, ®s->CAMADDR);
+
+ /* Select mar */
+ BYTE_REG_BITS_SET(CAMCR_PS_MAR, CAMCR_PS1 | CAMCR_PS0, ®s->CAMCR);
+}
+
+static void mac_set_vlan_cam(struct mac_regs __iomem * regs, int idx,
+ const u8 *addr)
+{
+
+ /* Select CAM mask */
+ BYTE_REG_BITS_SET(CAMCR_PS_CAM_DATA, CAMCR_PS1 | CAMCR_PS0, ®s->CAMCR);
+
+ idx &= (64 - 1);
+
+ writeb(CAMADDR_CAMEN | CAMADDR_VCAMSL | idx, ®s->CAMADDR);
+ writew(*((u16 *) addr), ®s->MARCAM[0]);
+
+ BYTE_REG_BITS_ON(CAMCR_CAMWR, ®s->CAMCR);
+
+ udelay(10);
+
+ writeb(0, ®s->CAMADDR);
+
+ /* Select mar */
+ BYTE_REG_BITS_SET(CAMCR_PS_MAR, CAMCR_PS1 | CAMCR_PS0, ®s->CAMCR);
+}
+
+
+/**
+ * mac_wol_reset - reset WOL after exiting low power
+ * @regs: register block of this velocity
+ *
+ * Called after we drop out of wake on lan mode in order to
+ * reset the Wake on lan features. This function doesn't restore
+ * the rest of the logic from the result of sleep/wakeup
+ */
+
+static void mac_wol_reset(struct mac_regs __iomem * regs)
+{
+
+ /* Turn off SWPTAG right after leaving power mode */
+ BYTE_REG_BITS_OFF(STICKHW_SWPTAG, ®s->STICKHW);
+ /* clear sticky bits */
+ BYTE_REG_BITS_OFF((STICKHW_DS1 | STICKHW_DS0), ®s->STICKHW);
+
+ BYTE_REG_BITS_OFF(CHIPGCR_FCGMII, ®s->CHIPGCR);
+ BYTE_REG_BITS_OFF(CHIPGCR_FCMODE, ®s->CHIPGCR);
+ /* disable force PME-enable */
+ writeb(WOLCFG_PMEOVR, ®s->WOLCFGClr);
+ /* disable power-event config bit */
+ writew(0xFFFF, ®s->WOLCRClr);
+ /* clear power status */
+ writew(0xFFFF, ®s->WOLSRClr);
+}
static int velocity_mii_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
-static struct ethtool_ops velocity_ethtool_ops;
+static const struct ethtool_ops velocity_ethtool_ops;
/*
Define module options
#define TX_DESC_DEF 64
VELOCITY_PARAM(TxDescriptors, "Number of transmit descriptors");
-#define VLAN_ID_MIN 0
-#define VLAN_ID_MAX 4095
-#define VLAN_ID_DEF 0
-/* VID_setting[] is used for setting the VID of NIC.
- 0: default VID.
- 1-4094: other VIDs.
-*/
-VELOCITY_PARAM(VID_setting, "802.1Q VLAN ID");
-
#define RX_THRESH_MIN 0
#define RX_THRESH_MAX 3
#define RX_THRESH_DEF 0
*/
VELOCITY_PARAM(DMA_length, "DMA length");
-#define TAGGING_DEF 0
-/* enable_tagging[] is used for enabling 802.1Q VID tagging.
- 0: disable VID seeting(default).
- 1: enable VID setting.
-*/
-VELOCITY_PARAM(enable_tagging, "Enable 802.1Q tagging");
-
#define IP_ALIG_DEF 0
/* IP_byte_align[] is used for IP header DWORD byte aligned
0: indicate the IP header won't be DWORD byte aligned.(Default) .
static int velocity_open(struct net_device *dev);
static int velocity_change_mtu(struct net_device *dev, int mtu);
static int velocity_xmit(struct sk_buff *skb, struct net_device *dev);
-static int velocity_intr(int irq, void *dev_instance, struct pt_regs *regs);
+static int velocity_intr(int irq, void *dev_instance);
static void velocity_set_multi(struct net_device *dev);
static struct net_device_stats *velocity_get_stats(struct net_device *dev);
static int velocity_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
static int velocity_suspend(struct pci_dev *pdev, pm_message_t state);
static int velocity_resume(struct pci_dev *pdev);
+static DEFINE_SPINLOCK(velocity_dev_list_lock);
+static LIST_HEAD(velocity_dev_list);
+
+#endif
+
+#if defined(CONFIG_PM) && defined(CONFIG_INET)
+
static int velocity_netdev_event(struct notifier_block *nb, unsigned long notification, void *ptr);
static struct notifier_block velocity_inetaddr_notifier = {
.notifier_call = velocity_netdev_event,
};
-static DEFINE_SPINLOCK(velocity_dev_list_lock);
-static LIST_HEAD(velocity_dev_list);
-
static void velocity_register_notifier(void)
{
register_inetaddr_notifier(&velocity_inetaddr_notifier);
unregister_inetaddr_notifier(&velocity_inetaddr_notifier);
}
-#else /* CONFIG_PM */
+#else
#define velocity_register_notifier() do {} while (0)
#define velocity_unregister_notifier() do {} while (0)
-#endif /* !CONFIG_PM */
+#endif
/*
* Internal board variants. At the moment we have only one
* a pointer a static string valid while the driver is loaded.
*/
-static char __devinit *get_chip_name(enum chip_type chip_id)
+static const char __devinit *get_chip_name(enum chip_type chip_id)
{
int i;
for (i = 0; chip_info_table[i].name != NULL; i++)
if (val == -1)
*opt |= (def ? flag : 0);
else if (val < 0 || val > 1) {
- printk(KERN_NOTICE "%s: the value of parameter %s is invalid, the valid range is (0-1)\n",
+ printk(KERN_NOTICE "%s: the value of parameter %s is invalid, the valid range is (0-1)\n",
devname, name);
*opt |= (def ? flag : 0);
} else {
- printk(KERN_INFO "%s: set parameter %s to %s\n",
+ printk(KERN_INFO "%s: set parameter %s to %s\n",
devname, name, val ? "TRUE" : "FALSE");
*opt |= (val ? flag : 0);
}
velocity_set_int_opt(&opts->DMA_length, DMA_length[index], DMA_LENGTH_MIN, DMA_LENGTH_MAX, DMA_LENGTH_DEF, "DMA_length", devname);
velocity_set_int_opt(&opts->numrx, RxDescriptors[index], RX_DESC_MIN, RX_DESC_MAX, RX_DESC_DEF, "RxDescriptors", devname);
velocity_set_int_opt(&opts->numtx, TxDescriptors[index], TX_DESC_MIN, TX_DESC_MAX, TX_DESC_DEF, "TxDescriptors", devname);
- velocity_set_int_opt(&opts->vid, VID_setting[index], VLAN_ID_MIN, VLAN_ID_MAX, VLAN_ID_DEF, "VID_setting", devname);
- velocity_set_bool_opt(&opts->flags, enable_tagging[index], TAGGING_DEF, VELOCITY_FLAGS_TAGGING, "enable_tagging", devname);
+
velocity_set_bool_opt(&opts->flags, txcsum_offload[index], TX_CSUM_DEF, VELOCITY_FLAGS_TX_CSUM, "txcsum_offload", devname);
velocity_set_int_opt(&opts->flow_cntl, flow_control[index], FLOW_CNTL_MIN, FLOW_CNTL_MAX, FLOW_CNTL_DEF, "flow_control", devname);
velocity_set_bool_opt(&opts->flags, IP_byte_align[index], IP_ALIG_DEF, VELOCITY_FLAGS_IP_ALIGN, "IP_byte_align", devname);
static void velocity_init_cam_filter(struct velocity_info *vptr)
{
struct mac_regs __iomem * regs = vptr->mac_regs;
+ unsigned short vid;
/* Turn on MCFG_PQEN, turn off MCFG_RTGOPT */
WORD_REG_BITS_SET(MCFG_PQEN, MCFG_RTGOPT, ®s->MCFG);
/* Disable all CAMs */
memset(vptr->vCAMmask, 0, sizeof(u8) * 8);
memset(vptr->mCAMmask, 0, sizeof(u8) * 8);
- mac_set_cam_mask(regs, vptr->vCAMmask, VELOCITY_VLAN_ID_CAM);
- mac_set_cam_mask(regs, vptr->mCAMmask, VELOCITY_MULTICAST_CAM);
+ mac_set_vlan_cam_mask(regs, vptr->vCAMmask);
+ mac_set_cam_mask(regs, vptr->mCAMmask);
/* Enable first VCAM */
- if (vptr->flags & VELOCITY_FLAGS_TAGGING) {
- /* If Tagging option is enabled and VLAN ID is not zero, then
- turn on MCFG_RTGOPT also */
- if (vptr->options.vid != 0)
- WORD_REG_BITS_ON(MCFG_RTGOPT, ®s->MCFG);
-
- mac_set_cam(regs, 0, (u8 *) & (vptr->options.vid), VELOCITY_VLAN_ID_CAM);
+ if (vptr->vlgrp) {
+ for (vid = 0; vid < VLAN_VID_MASK; vid++) {
+ if (vlan_group_get_device(vptr->vlgrp, vid)) {
+ /* If Tagging option is enabled and
+ VLAN ID is not zero, then
+ turn on MCFG_RTGOPT also */
+ if (vid != 0)
+ WORD_REG_BITS_ON(MCFG_RTGOPT, ®s->MCFG);
+
+ mac_set_vlan_cam(regs, 0, (u8 *) &vid);
+ }
+ }
vptr->vCAMmask[0] |= 1;
- mac_set_cam_mask(regs, vptr->vCAMmask, VELOCITY_VLAN_ID_CAM);
+ mac_set_vlan_cam_mask(regs, vptr->vCAMmask);
} else {
u16 temp = 0;
- mac_set_cam(regs, 0, (u8 *) &temp, VELOCITY_VLAN_ID_CAM);
+ mac_set_vlan_cam(regs, 0, (u8 *) &temp);
temp = 1;
- mac_set_cam_mask(regs, (u8 *) &temp, VELOCITY_VLAN_ID_CAM);
+ mac_set_vlan_cam_mask(regs, (u8 *) &temp);
}
}
+static void velocity_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
+{
+ struct velocity_info *vptr = netdev_priv(dev);
+
+ spin_lock_irq(&vptr->lock);
+ velocity_init_cam_filter(vptr);
+ spin_unlock_irq(&vptr->lock);
+}
+
+static void velocity_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
+{
+ struct velocity_info *vptr = netdev_priv(dev);
+
+ spin_lock_irq(&vptr->lock);
+ vlan_group_set_device(vptr->vlgrp, vid, NULL);
+ velocity_init_cam_filter(vptr);
+ spin_unlock_irq(&vptr->lock);
+}
+
+
/**
* velocity_rx_reset - handle a receive reset
* @vptr: velocity we are resetting
* hardware.
*/
-static void velocity_init_registers(struct velocity_info *vptr,
+static void velocity_init_registers(struct velocity_info *vptr,
enum velocity_init_type type)
{
struct mac_regs __iomem * regs = vptr->mac_regs;
mac_clear_isr(regs);
writel(CR0_STOP, ®s->CR0Clr);
- writel((CR0_DPOLL | CR0_TXON | CR0_RXON | CR0_STRT),
+ writel((CR0_DPOLL | CR0_TXON | CR0_RXON | CR0_STRT),
®s->CR0Set);
break;
* can support more than MAX_UNITS.
*/
if (velocity_nics >= MAX_UNITS) {
- dev_printk(KERN_NOTICE, &pdev->dev, "already found %d NICs.\n",
+ dev_notice(&pdev->dev, "already found %d NICs.\n",
velocity_nics);
return -ENODEV;
}
dev = alloc_etherdev(sizeof(struct velocity_info));
if (!dev) {
- dev_printk(KERN_ERR, &pdev->dev, "allocate net device failed.\n");
+ dev_err(&pdev->dev, "allocate net device failed.\n");
goto out;
}
-
+
/* Chain it all together */
-
- SET_MODULE_OWNER(dev);
+
SET_NETDEV_DEV(dev, &pdev->dev);
vptr = netdev_priv(dev);
if (first) {
- printk(KERN_INFO "%s Ver. %s\n",
+ printk(KERN_INFO "%s Ver. %s\n",
VELOCITY_FULL_DRV_NAM, VELOCITY_VERSION);
printk(KERN_INFO "Copyright (c) 2002, 2003 VIA Networking Technologies, Inc.\n");
printk(KERN_INFO "Copyright (c) 2004 Red Hat Inc.\n");
dev->irq = pdev->irq;
ret = pci_enable_device(pdev);
- if (ret < 0)
+ if (ret < 0)
goto err_free_dev;
ret = velocity_get_pci_info(vptr, pdev);
ret = pci_request_regions(pdev, VELOCITY_NAME);
if (ret < 0) {
- dev_printk(KERN_ERR, &pdev->dev, "No PCI resources.\n");
+ dev_err(&pdev->dev, "No PCI resources.\n");
goto err_disable;
}
velocity_get_options(&vptr->options, velocity_nics, dev->name);
- /*
+ /*
* Mask out the options cannot be set to the chip
*/
-
+
vptr->options.flags &= info->flags;
/*
* Enable the chip specified capbilities
*/
-
+
vptr->flags = vptr->options.flags | (info->flags & 0xFF000000UL);
vptr->wol_opts = vptr->options.wol_opts;
dev->do_ioctl = velocity_ioctl;
dev->ethtool_ops = &velocity_ethtool_ops;
dev->change_mtu = velocity_change_mtu;
+
+ dev->vlan_rx_add_vid = velocity_vlan_rx_add_vid;
+ dev->vlan_rx_kill_vid = velocity_vlan_rx_kill_vid;
+
#ifdef VELOCITY_ZERO_COPY_SUPPORT
dev->features |= NETIF_F_SG;
#endif
+ dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_FILTER;
- if (vptr->flags & VELOCITY_FLAGS_TX_CSUM) {
+ if (vptr->flags & VELOCITY_FLAGS_TX_CSUM)
dev->features |= NETIF_F_IP_CSUM;
- }
ret = register_netdev(dev);
if (ret < 0)
velocity_print_info(vptr);
pci_set_drvdata(pdev, dev);
-
+
/* and leave the chip powered down */
-
+
pci_set_power_state(pdev, PCI_D3hot);
#ifdef CONFIG_PM
{
struct net_device *dev = vptr->dev;
printk(KERN_INFO "%s: %s\n", dev->name, get_chip_name(vptr->chip_id));
- printk(KERN_INFO "%s: Ethernet Address: %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n",
- dev->name,
- dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
+ printk(KERN_INFO "%s: Ethernet Address: %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n",
+ dev->name,
+ dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
}
static int __devinit velocity_get_pci_info(struct velocity_info *vptr, struct pci_dev *pdev)
{
- if (pci_read_config_byte(pdev, PCI_REVISION_ID, &vptr->rev_id) < 0)
- return -EIO;
-
+ vptr->rev_id = pdev->revision;
+
pci_set_master(pdev);
vptr->ioaddr = pci_resource_start(pdev, 0);
vptr->memaddr = pci_resource_start(pdev, 1);
-
+
if (!(pci_resource_flags(pdev, 0) & IORESOURCE_IO)) {
- dev_printk(KERN_ERR, &pdev->dev,
+ dev_err(&pdev->dev,
"region #0 is not an I/O resource, aborting.\n");
return -EINVAL;
}
if ((pci_resource_flags(pdev, 1) & IORESOURCE_IO)) {
- dev_printk(KERN_ERR, &pdev->dev,
+ dev_err(&pdev->dev,
"region #1 is an I/O resource, aborting.\n");
return -EINVAL;
}
if (pci_resource_len(pdev, 1) < VELOCITY_IO_SIZE) {
- dev_printk(KERN_ERR, &pdev->dev, "region #1 is too small.\n");
+ dev_err(&pdev->dev, "region #1 is too small.\n");
return -EINVAL;
}
vptr->pdev = pdev;
u8 *pool;
/*
- * Allocate all RD/TD rings a single pool
+ * Allocate all RD/TD rings a single pool
*/
-
- psize = vptr->options.numrx * sizeof(struct rx_desc) +
+
+ psize = vptr->options.numrx * sizeof(struct rx_desc) +
vptr->options.numtx * sizeof(struct tx_desc) * vptr->num_txq;
/*
pool = pci_alloc_consistent(vptr->pdev, psize, &pool_dma);
if (pool == NULL) {
- printk(KERN_ERR "%s : DMA memory allocation failed.\n",
+ printk(KERN_ERR "%s : DMA memory allocation failed.\n",
vptr->dev->name);
return -ENOMEM;
}
vptr->rd_pool_dma = pool_dma;
tsize = vptr->options.numtx * PKT_BUF_SZ * vptr->num_txq;
- vptr->tx_bufs = pci_alloc_consistent(vptr->pdev, tsize,
+ vptr->tx_bufs = pci_alloc_consistent(vptr->pdev, tsize,
&vptr->tx_bufs_dma);
if (vptr->tx_bufs == NULL) {
- printk(KERN_ERR "%s: DMA memory allocation failed.\n",
+ printk(KERN_ERR "%s: DMA memory allocation failed.\n",
vptr->dev->name);
pci_free_consistent(vptr->pdev, psize, pool, pool_dma);
return -ENOMEM;
{
int size;
- size = vptr->options.numrx * sizeof(struct rx_desc) +
+ size = vptr->options.numrx * sizeof(struct rx_desc) +
vptr->options.numtx * sizeof(struct tx_desc) * vptr->num_txq;
pci_free_consistent(vptr->pdev, size, vptr->rd_ring, vptr->rd_pool_dma);
break;
}
done++;
- dirty = (dirty < vptr->options.numrx - 1) ? dirty + 1 : 0;
+ dirty = (dirty < vptr->options.numrx - 1) ? dirty + 1 : 0;
} while (dirty != vptr->rd_curr);
if (done) {
static int velocity_init_rd_ring(struct velocity_info *vptr)
{
- int ret = -ENOMEM;
- unsigned int rsize = sizeof(struct velocity_rd_info) *
- vptr->options.numrx;
+ int ret;
+ int mtu = vptr->dev->mtu;
- vptr->rd_info = kmalloc(rsize, GFP_KERNEL);
- if(vptr->rd_info == NULL)
- goto out;
- memset(vptr->rd_info, 0, rsize);
+ vptr->rx_buf_sz = (mtu <= ETH_DATA_LEN) ? PKT_BUF_SZ : mtu + 32;
+
+ vptr->rd_info = kcalloc(vptr->options.numrx,
+ sizeof(struct velocity_rd_info), GFP_KERNEL);
+ if (!vptr->rd_info)
+ return -ENOMEM;
vptr->rd_filled = vptr->rd_dirty = vptr->rd_curr = 0;
"%s: failed to allocate RX buffer.\n", vptr->dev->name);
velocity_free_rd_ring(vptr);
}
-out:
+
return ret;
}
* Returns zero on success or a negative posix errno code for
* failure.
*/
-
+
static int velocity_init_td_ring(struct velocity_info *vptr)
{
int i, j;
dma_addr_t curr;
struct tx_desc *td;
struct velocity_td_info *td_info;
- unsigned int tsize = sizeof(struct velocity_td_info) *
- vptr->options.numtx;
/* Init the TD ring entries */
for (j = 0; j < vptr->num_txq; j++) {
curr = vptr->td_pool_dma[j];
- vptr->td_infos[j] = kmalloc(tsize, GFP_KERNEL);
- if(vptr->td_infos[j] == NULL)
- {
+ vptr->td_infos[j] = kcalloc(vptr->options.numtx,
+ sizeof(struct velocity_td_info),
+ GFP_KERNEL);
+ if (!vptr->td_infos[j]) {
while(--j >= 0)
kfree(vptr->td_infos[j]);
return -ENOMEM;
}
- memset(vptr->td_infos[j], 0, tsize);
for (i = 0; i < vptr->options.numtx; i++, curr += sizeof(struct tx_desc)) {
td = &(vptr->td_rings[j][i]);
{
struct velocity_td_info * td_info = &(vptr->td_infos[q][n]);
int i;
-
+
if (td_info == NULL)
return;
-
+
if (td_info->skb) {
for (i = 0; i < td_info->nskb_dma; i++)
{
if (td_info->skb_dma[i]) {
- pci_unmap_single(vptr->pdev, td_info->skb_dma[i],
+ pci_unmap_single(vptr->pdev, td_info->skb_dma[i],
td_info->skb->len, PCI_DMA_TODEVICE);
td_info->skb_dma[i] = (dma_addr_t) NULL;
}
* Free up the transmit ring for this particular velocity adapter.
* We free the ring contents but not the ring itself.
*/
-
+
static void velocity_free_td_ring(struct velocity_info *vptr)
{
int i, j;
* any received packets from the receive queue. Hand the ring
* slots back to the adapter for reuse.
*/
-
+
static int velocity_rx_srv(struct velocity_info *vptr, int status)
{
struct net_device_stats *stats = &vptr->stats;
* Process the status bits for the received packet and determine
* if the checksum was computed and verified by the hardware
*/
-
+
static inline void velocity_rx_csum(struct rx_desc *rd, struct sk_buff *skb)
{
skb->ip_summed = CHECKSUM_NONE;
if (rd->rdesc1.CSM & CSM_IPKT) {
if (rd->rdesc1.CSM & CSM_IPOK) {
- if ((rd->rdesc1.CSM & CSM_TCPKT) ||
+ if ((rd->rdesc1.CSM & CSM_TCPKT) ||
(rd->rdesc1.CSM & CSM_UDPKT)) {
if (!(rd->rdesc1.CSM & CSM_TUPOK)) {
return;
if (vptr->flags & VELOCITY_FLAGS_IP_ALIGN)
skb_reserve(new_skb, 2);
- memcpy(new_skb->data, rx_skb[0]->data, pkt_size);
+ skb_copy_from_linear_data(rx_skb[0], new_skb->data,
+ pkt_size);
*rx_skb = new_skb;
ret = 0;
}
-
+
}
return ret;
}
* velocity_receive_frame - received packet processor
* @vptr: velocity we are handling
* @idx: ring index
- *
+ *
* A packet has arrived. We process the packet and if appropriate
* pass the frame up the network stack
*/
-
+
static int velocity_receive_frame(struct velocity_info *vptr, int idx)
{
void (*pci_action)(struct pci_dev *, dma_addr_t, size_t, int);
vptr->stats.multicast++;
skb = rd_info->skb;
- skb->dev = vptr->dev;
pci_dma_sync_single_for_cpu(vptr->pdev, rd_info->skb_dma,
vptr->rx_buf_sz, PCI_DMA_FROMDEVICE);
/*
* Drop frame not meeting IEEE 802.3
*/
-
+
if (vptr->flags & VELOCITY_FLAGS_VAL_PKT_LEN) {
if (rd->rdesc0.RSR & RSR_RL) {
stats->rx_length_errors++;
PCI_DMA_FROMDEVICE);
skb_put(skb, pkt_len - 4);
- skb->protocol = eth_type_trans(skb, skb->dev);
+ skb->protocol = eth_type_trans(skb, vptr->dev);
stats->rx_bytes += pkt_len;
netif_rx(skb);
* requires *64* byte alignment of the buffer which makes life
* less fun than would be ideal.
*/
-
+
static int velocity_alloc_rx_buf(struct velocity_info *vptr, int idx)
{
struct rx_desc *rd = &(vptr->rd_ring[idx]);
skb_reserve(rd_info->skb, (unsigned long) rd_info->skb->data & 63);
rd_info->skb->dev = vptr->dev;
rd_info->skb_dma = pci_map_single(vptr->pdev, rd_info->skb->data, vptr->rx_buf_sz, PCI_DMA_FROMDEVICE);
-
+
/*
* Fill in the descriptor to match
- */
-
+ */
+
*((u32 *) & (rd->rdesc0)) = 0;
rd->len = cpu_to_le32(vptr->rx_buf_sz);
rd->inten = 1;
*
* Scan the queues looking for transmitted packets that
* we can complete and clean up. Update any statistics as
- * neccessary/
+ * necessary/
*/
-
+
static int velocity_tx_srv(struct velocity_info *vptr, u32 status)
{
struct tx_desc *td;
struct net_device_stats *stats = &vptr->stats;
for (qnum = 0; qnum < vptr->num_txq; qnum++) {
- for (idx = vptr->td_tail[qnum]; vptr->td_used[qnum] > 0;
+ for (idx = vptr->td_tail[qnum]; vptr->td_used[qnum] > 0;
idx = (idx + 1) % vptr->options.numtx) {
/*
if (vptr->mii_status & VELOCITY_LINK_FAIL) {
VELOCITY_PRT(MSG_LEVEL_INFO, KERN_NOTICE "%s: failed to detect cable link\n", vptr->dev->name);
} else if (vptr->options.spd_dpx == SPD_DPX_AUTO) {
- VELOCITY_PRT(MSG_LEVEL_INFO, KERN_NOTICE "%s: Link autonegation", vptr->dev->name);
+ VELOCITY_PRT(MSG_LEVEL_INFO, KERN_NOTICE "%s: Link auto-negotiation", vptr->dev->name);
if (vptr->mii_status & VELOCITY_SPEED_1000)
VELOCITY_PRT(MSG_LEVEL_INFO, " speed 1000M bps");
* @status: card status
*
* Process an error report from the hardware and attempt to recover
- * the card itself. At the moment we cannot recover from some
+ * the card itself. At the moment we cannot recover from some
* theoretically impossible errors but this could be fixed using
* the pci_device_failed logic to bounce the hardware
*
*/
-
+
static void velocity_error(struct velocity_info *vptr, int status)
{
if (status & ISR_TXSTLI) {
struct mac_regs __iomem * regs = vptr->mac_regs;
- printk(KERN_ERR "TD structure errror TDindex=%hx\n", readw(®s->TDIdx[0]));
+ printk(KERN_ERR "TD structure error TDindex=%hx\n", readw(®s->TDIdx[0]));
BYTE_REG_BITS_ON(TXESR_TDSTR, ®s->TXESR);
writew(TRDCSR_RUN, ®s->TDCSRClr);
netif_stop_queue(vptr->dev);
-
+
/* FIXME: port over the pci_device_failed code and use it
here */
}
vptr->mii_status = check_connection_type(regs);
/*
- * If it is a 3119, disable frame bursting in
+ * If it is a 3119, disable frame bursting in
* halfduplex mode and enable it in fullduplex
* mode
*/
enable_flow_control_ability(vptr);
/*
- * Re-enable auto-polling because SRCI will disable
+ * Re-enable auto-polling because SRCI will disable
* auto-polling
*/
-
+
enable_mii_autopoll(regs);
if (vptr->mii_status & VELOCITY_LINK_FAIL)
* Release an transmit buffer. If the buffer was preallocated then
* recycle it, if not then unmap the buffer.
*/
-
+
static void velocity_free_tx_buf(struct velocity_info *vptr, struct velocity_td_info *tdinfo)
{
struct sk_buff *skb = tdinfo->skb;
* All the ring allocation and set up is done on open for this
* adapter to minimise memory usage when inactive
*/
-
+
static int velocity_open(struct net_device *dev)
{
struct velocity_info *vptr = netdev_priv(dev);
int ret;
- vptr->rx_buf_sz = (dev->mtu <= 1504 ? PKT_BUF_SZ : dev->mtu + 32);
-
ret = velocity_init_rings(vptr);
if (ret < 0)
goto out;
ret = velocity_init_td_ring(vptr);
if (ret < 0)
goto err_free_rd_ring;
-
- /* Ensure chip is running */
+
+ /* Ensure chip is running */
pci_set_power_state(vptr->pdev, PCI_D0);
-
+
velocity_init_registers(vptr, VELOCITY_INIT_COLD);
ret = request_irq(vptr->pdev->irq, &velocity_intr, IRQF_SHARED,
goto out;
}
-/**
+/**
* velocity_change_mtu - MTU change callback
* @dev: network device
* @new_mtu: desired MTU
* this interface. It gets called on a change by the network layer.
* Return zero for success or negative posix error code.
*/
-
+
static int velocity_change_mtu(struct net_device *dev, int new_mtu)
{
struct velocity_info *vptr = netdev_priv(dev);
int ret = 0;
if ((new_mtu < VELOCITY_MIN_MTU) || new_mtu > (VELOCITY_MAX_MTU)) {
- VELOCITY_PRT(MSG_LEVEL_ERR, KERN_NOTICE "%s: Invalid MTU.\n",
+ VELOCITY_PRT(MSG_LEVEL_ERR, KERN_NOTICE "%s: Invalid MTU.\n",
vptr->dev->name);
return -EINVAL;
}
+ if (!netif_running(dev)) {
+ dev->mtu = new_mtu;
+ return 0;
+ }
+
if (new_mtu != oldmtu) {
spin_lock_irqsave(&vptr->lock, flags);
velocity_free_rd_ring(vptr);
dev->mtu = new_mtu;
- if (new_mtu > 8192)
- vptr->rx_buf_sz = 9 * 1024;
- else if (new_mtu > 4096)
- vptr->rx_buf_sz = 8192;
- else
- vptr->rx_buf_sz = 4 * 1024;
ret = velocity_init_rd_ring(vptr);
if (ret < 0)
* Shuts down the internal operations of the velocity and
* disables interrupts, autopolling, transmit and receive
*/
-
+
static void velocity_shutdown(struct velocity_info *vptr)
{
struct mac_regs __iomem * regs = vptr->mac_regs;
velocity_get_ip(vptr);
if (dev->irq != 0)
free_irq(dev->irq, dev);
-
+
/* Power down the chip */
pci_set_power_state(vptr->pdev, PCI_D3hot);
-
+
/* Free the resources */
velocity_free_td_ring(vptr);
velocity_free_rd_ring(vptr);
* Called by the networ layer to request a packet is queued to
* the velocity. Returns zero on success.
*/
-
+
static int velocity_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct velocity_info *vptr = netdev_priv(dev);
td_ptr->td_buf[0].queue = 0;
/*
- * Pad short frames.
+ * Pad short frames.
*/
if (pktlen < ETH_ZLEN) {
/* Cannot occur until ZC support */
pktlen = ETH_ZLEN;
- memcpy(tdinfo->buf, skb->data, skb->len);
+ skb_copy_from_linear_data(skb, tdinfo->buf, skb->len);
memset(tdinfo->buf + skb->len, 0, ETH_ZLEN - skb->len);
tdinfo->skb = skb;
tdinfo->skb_dma[0] = tdinfo->buf_dma;
int nfrags = skb_shinfo(skb)->nr_frags;
tdinfo->skb = skb;
if (nfrags > 6) {
- memcpy(tdinfo->buf, skb->data, skb->len);
+ skb_copy_from_linear_data(skb, tdinfo->buf, skb->len);
tdinfo->skb_dma[0] = tdinfo->buf_dma;
- td_ptr->tdesc0.pktsize =
+ td_ptr->tdesc0.pktsize =
td_ptr->td_buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]);
td_ptr->td_buf[0].pa_high = 0;
td_ptr->td_buf[0].bufsize = td_ptr->tdesc0.pktsize;
td_ptr->tdesc1.CMDZ = 2;
}
- if (vptr->flags & VELOCITY_FLAGS_TAGGING) {
- td_ptr->tdesc1.pqinf.VID = (vptr->options.vid & 0xfff);
+ if (vptr->vlgrp && vlan_tx_tag_present(skb)) {
+ td_ptr->tdesc1.pqinf.VID = vlan_tx_tag_get(skb);
td_ptr->tdesc1.pqinf.priority = 0;
td_ptr->tdesc1.pqinf.CFI = 0;
td_ptr->tdesc1.TCR |= TCR0_VETAG;
* Handle hardware checksum
*/
if ((vptr->flags & VELOCITY_FLAGS_TX_CSUM)
- && (skb->ip_summed == CHECKSUM_HW)) {
- struct iphdr *ip = skb->nh.iph;
+ && (skb->ip_summed == CHECKSUM_PARTIAL)) {
+ const struct iphdr *ip = ip_hdr(skb);
if (ip->protocol == IPPROTO_TCP)
td_ptr->tdesc1.TCR |= TCR0_TCPCK;
else if (ip->protocol == IPPROTO_UDP)
* velocity_intr - interrupt callback
* @irq: interrupt number
* @dev_instance: interrupting device
- * @pt_regs: CPU register state at interrupt
*
* Called whenever an interrupt is generated by the velocity
* adapter IRQ line. We may not be the source of the interrupt
* and need to identify initially if we are, and if not exit as
* efficiently as possible.
*/
-
-static int velocity_intr(int irq, void *dev_instance, struct pt_regs *regs)
+
+static int velocity_intr(int irq, void *dev_instance)
{
struct net_device *dev = dev_instance;
struct velocity_info *vptr = netdev_priv(dev);
* Keep processing the ISR until we have completed
* processing and the isr_status becomes zero
*/
-
+
while (isr_status != 0) {
mac_write_isr(vptr->mac_regs, isr_status);
if (isr_status & (~(ISR_PRXI | ISR_PPRXI | ISR_PTXI | ISR_PPTXI)))
isr_status = mac_read_isr(vptr->mac_regs);
if (max_count > vptr->options.int_works)
{
- printk(KERN_WARNING "%s: excessive work at interrupt.\n",
+ printk(KERN_WARNING "%s: excessive work at interrupt.\n",
dev->name);
max_count = 0;
}
* for a velocity adapter. Reload the CAMs with the new address
* filter ruleset.
*/
-
+
static void velocity_set_multi(struct net_device *dev)
{
struct velocity_info *vptr = netdev_priv(dev);
struct dev_mc_list *mclist;
if (dev->flags & IFF_PROMISC) { /* Set promiscuous. */
- /* Unconditionally log net taps. */
- printk(KERN_NOTICE "%s: Promiscuous mode enabled.\n", dev->name);
writel(0xffffffff, ®s->MARCAM[0]);
writel(0xffffffff, ®s->MARCAM[4]);
rx_mode = (RCR_AM | RCR_AB | RCR_PROM);
rx_mode = (RCR_AM | RCR_AB);
} else {
int offset = MCAM_SIZE - vptr->multicast_limit;
- mac_get_cam_mask(regs, vptr->mCAMmask, VELOCITY_MULTICAST_CAM);
+ mac_get_cam_mask(regs, vptr->mCAMmask);
for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; i++, mclist = mclist->next) {
- mac_set_cam(regs, i + offset, mclist->dmi_addr, VELOCITY_MULTICAST_CAM);
+ mac_set_cam(regs, i + offset, mclist->dmi_addr);
vptr->mCAMmask[(offset + i) / 8] |= 1 << ((offset + i) & 7);
}
- mac_set_cam_mask(regs, vptr->mCAMmask, VELOCITY_MULTICAST_CAM);
+ mac_set_cam_mask(regs, vptr->mCAMmask);
rx_mode = (RCR_AM | RCR_AB);
}
if (dev->mtu > 1500)
* the hardware into the counters before letting the network
* layer display them.
*/
-
+
static struct net_device_stats *velocity_get_stats(struct net_device *dev)
{
struct velocity_info *vptr = netdev_priv(dev);
-
+
/* If the hardware is down, don't touch MII */
if(!netif_running(dev))
return &vptr->stats;
* Called when the user issues an ioctl request to the network
* device in question. The velocity interface supports MII.
*/
-
+
static int velocity_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
struct velocity_info *vptr = netdev_priv(dev);
/* If we are asked for information and the device is power
saving then we need to bring the device back up to talk to it */
-
+
if (!netif_running(dev))
pci_set_power_state(vptr->pdev, PCI_D0);
-
+
switch (cmd) {
case SIOCGMIIPHY: /* Get address of MII PHY in use. */
case SIOCGMIIREG: /* Read MII PHY register. */
}
if (!netif_running(dev))
pci_set_power_state(vptr->pdev, PCI_D3hot);
-
-
+
+
return ret;
}
* Definition for our device driver. The PCI layer interface
* uses this to handle all our card discover and plugging
*/
-
+
static struct pci_driver velocity_driver = {
.name = VELOCITY_NAME,
.id_table = velocity_id_table,
* the probe functions for each velocity adapter installed
* in the system.
*/
-
+
static int __init velocity_init_module(void)
{
int ret;
velocity_register_notifier();
- ret = pci_module_init(&velocity_driver);
+ ret = pci_register_driver(&velocity_driver);
if (ret < 0)
velocity_unregister_notifier();
return ret;
* velocity_cleanup - module unload
*
* When the velocity hardware is unloaded this function is called.
- * It will clean up the notifiers and the unregister the PCI
+ * It will clean up the notifiers and the unregister the PCI
* driver interface for this hardware. This in turn cleans up
* all discovered interfaces before returning from the function
*/
-
+
static void __exit velocity_cleanup_module(void)
{
velocity_unregister_notifier();
/*
* MII access , media link mode setting functions
*/
-
-
+
+
/**
* mii_init - set up MII
* @vptr: velocity adapter
*
* Set up the PHY for the current link state.
*/
-
+
static void mii_init(struct velocity_info *vptr, u32 mii_status)
{
u16 BMCR;
MII_REG_BITS_OFF((ANAR_ASMDIR | ANAR_PAUSE), MII_REG_ANAR, vptr->mac_regs);
/*
* Turn on ECHODIS bit in NWay-forced full mode and turn it
- * off it in NWay-forced half mode for NWay-forced v.s.
+ * off it in NWay-forced half mode for NWay-forced v.s.
* legacy-forced issue.
*/
if (vptr->mii_status & VELOCITY_DUPLEX_FULL)
MII_REG_BITS_ON((ANAR_ASMDIR | ANAR_PAUSE), MII_REG_ANAR, vptr->mac_regs);
/*
* Turn on ECHODIS bit in NWay-forced full mode and turn it
- * off it in NWay-forced half mode for NWay-forced v.s.
+ * off it in NWay-forced half mode for NWay-forced v.s.
* legacy-forced issue
*/
if (vptr->mii_status & VELOCITY_DUPLEX_FULL)
case PHYID_MARVELL_1000:
case PHYID_MARVELL_1000S:
/*
- * Assert CRS on Transmit
+ * Assert CRS on Transmit
*/
MII_REG_BITS_ON(PSCR_ACRSTX, MII_REG_PSCR, vptr->mac_regs);
/*
- * Reset to hardware default
+ * Reset to hardware default
*/
MII_REG_BITS_ON((ANAR_ASMDIR | ANAR_PAUSE), MII_REG_ANAR, vptr->mac_regs);
break;
*
* Turn off the autopoll and wait for it to disable on the chip
*/
-
+
static void safe_disable_mii_autopoll(struct mac_regs __iomem * regs)
{
u16 ww;
* Perform a single read of an MII 16bit register. Returns zero
* on success or -ETIMEDOUT if the PHY did not respond.
*/
-
+
static int velocity_mii_read(struct mac_regs __iomem *regs, u8 index, u16 *data)
{
u16 ww;
* Perform a single write to an MII 16bit register. Returns zero
* on success or -ETIMEDOUT if the PHY did not respond.
*/
-
+
static int velocity_mii_write(struct mac_regs __iomem *regs, u8 mii_addr, u16 data)
{
u16 ww;
* mii_status accordingly. The requested link state information
* is also returned.
*/
-
+
static u32 velocity_get_opt_media_mode(struct velocity_info *vptr)
{
u32 status = 0;
*
* Enable autonegotation on this interface
*/
-
+
static void mii_set_auto_on(struct velocity_info *vptr)
{
if (MII_REG_BITS_IS_ON(BMCR_AUTO, MII_REG_BMCR, vptr->mac_regs))
* Set up the flow control on this interface according to
* the supplied user/eeprom options.
*/
-
+
static void set_mii_flow_control(struct velocity_info *vptr)
{
/*Enable or Disable PAUSE in ANAR */
* PHY and also velocity hardware setup accordingly. In particular
* we need to set up CD polling and frame bursting.
*/
-
+
static int velocity_set_media_mode(struct velocity_info *vptr, u32 mii_status)
{
u32 curr_status;
* Check the current MII status and determine the link status
* accordingly
*/
-
+
static u32 mii_check_media_mode(struct mac_regs __iomem * regs)
{
u32 status = 0;
if (PHYSR0 & PHYSR0_SPDG)
status |= VELOCITY_SPEED_1000;
- if (PHYSR0 & PHYSR0_SPD10)
+ else if (PHYSR0 & PHYSR0_SPD10)
status |= VELOCITY_SPEED_10;
else
status |= VELOCITY_SPEED_100;
* Called before an ethtool operation. We need to make sure the
* chip is out of D3 state before we poke at it.
*/
-
+
static int velocity_ethtool_up(struct net_device *dev)
{
struct velocity_info *vptr = netdev_priv(dev);
if (!netif_running(dev))
pci_set_power_state(vptr->pdev, PCI_D0);
return 0;
-}
+}
/**
* velocity_ethtool_down - post hook for ethtool
* Called after an ethtool operation. Restore the chip back to D3
* state if it isn't running.
*/
-
+
static void velocity_ethtool_down(struct net_device *dev)
{
struct velocity_info *vptr = netdev_priv(dev);
u32 status;
status = check_connection_type(vptr->mac_regs);
- cmd->supported = SUPPORTED_TP | SUPPORTED_Autoneg | SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full;
- if (status & VELOCITY_SPEED_100)
+ cmd->supported = SUPPORTED_TP |
+ SUPPORTED_Autoneg |
+ SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Half |
+ SUPPORTED_1000baseT_Full;
+ if (status & VELOCITY_SPEED_1000)
+ cmd->speed = SPEED_1000;
+ else if (status & VELOCITY_SPEED_100)
cmd->speed = SPEED_100;
else
cmd->speed = SPEED_10;
cmd->duplex = DUPLEX_FULL;
else
cmd->duplex = DUPLEX_HALF;
-
+
return 0;
}
u32 curr_status;
u32 new_status = 0;
int ret = 0;
-
+
curr_status = check_connection_type(vptr->mac_regs);
curr_status &= (~VELOCITY_LINK_FAIL);
{
struct velocity_info *vptr = netdev_priv(dev);
struct mac_regs __iomem * regs = vptr->mac_regs;
- return BYTE_REG_BITS_IS_ON(PHYSR0_LINKGD, ®s->PHYSR0) ? 0 : 1;
+ return BYTE_REG_BITS_IS_ON(PHYSR0_LINKGD, ®s->PHYSR0) ? 1 : 0;
}
static void velocity_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
msglevel = value;
}
-static struct ethtool_ops velocity_ethtool_ops = {
+static const struct ethtool_ops velocity_ethtool_ops = {
.get_settings = velocity_get_settings,
.set_settings = velocity_set_settings,
.get_drvinfo = velocity_get_drvinfo,
* are used by tools like kudzu to interrogate the link state of the
* hardware
*/
-
+
static int velocity_mii_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
struct velocity_info *vptr = netdev_priv(dev);
unsigned long flags;
struct mii_ioctl_data *miidata = if_mii(ifr);
int err;
-
+
switch (cmd) {
case SIOCGMIIPHY:
miidata->phy_id = readb(®s->MIIADR) & 0x1f;
/**
* velocity_save_context - save registers
- * @vptr: velocity
+ * @vptr: velocity
* @context: buffer for stored context
*
* Retrieve the current configuration from the velocity hardware
* restore functions. This allows us to save things we need across
* power down states
*/
-
+
static void velocity_save_context(struct velocity_info *vptr, struct velocity_context * context)
{
struct mac_regs __iomem * regs = vptr->mac_regs;
/**
* velocity_restore_context - restore registers
- * @vptr: velocity
+ * @vptr: velocity
* @context: buffer for stored context
*
- * Reload the register configuration from the velocity context
+ * Reload the register configuration from the velocity context
* created by velocity_save_context.
*/
-
+
static void velocity_restore_context(struct velocity_info *vptr, struct velocity_context *context)
{
struct mac_regs __iomem * regs = vptr->mac_regs;
}
/* Finally, invert the result once to get the correct data */
crc = ~crc;
- return bitreverse(crc) >> 16;
+ return bitrev32(crc) >> 16;
}
/**
return 0;
}
+#ifdef CONFIG_INET
+
static int velocity_netdev_event(struct notifier_block *nb, unsigned long notification, void *ptr)
{
struct in_ifaddr *ifa = (struct in_ifaddr *) ptr;
}
return NOTIFY_DONE;
}
+
+#endif
#endif
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff