(BP)->tx_cons - (BP)->tx_prod - TX_RING_GAP(BP))
#define NEXT_TX(N) (((N) + 1) & (B44_TX_RING_SIZE - 1))
-#define RX_PKT_OFFSET 30
-#define RX_PKT_BUF_SZ (1536 + RX_PKT_OFFSET + 64)
+#define RX_PKT_OFFSET (RX_HEADER_LEN + 2)
+#define RX_PKT_BUF_SZ (1536 + RX_PKT_OFFSET)
/* minimum number of free TX descriptors required to wake up TX process */
#define B44_TX_WAKEUP_THRESH (B44_TX_RING_SIZE / 4)
/* Hardware bug work-around, the chip is unable to do PCI DMA
to/from anything above 1GB :-( */
if (ssb_dma_mapping_error(bp->sdev, mapping) ||
- mapping + RX_PKT_BUF_SZ > DMA_30BIT_MASK) {
+ mapping + RX_PKT_BUF_SZ > DMA_BIT_MASK(30)) {
/* Sigh... */
if (!ssb_dma_mapping_error(bp->sdev, mapping))
ssb_dma_unmap_single(bp->sdev, mapping,
RX_PKT_BUF_SZ,
DMA_FROM_DEVICE);
if (ssb_dma_mapping_error(bp->sdev, mapping) ||
- mapping + RX_PKT_BUF_SZ > DMA_30BIT_MASK) {
+ mapping + RX_PKT_BUF_SZ > DMA_BIT_MASK(30)) {
if (!ssb_dma_mapping_error(bp->sdev, mapping))
ssb_dma_unmap_single(bp->sdev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE);
dev_kfree_skb_any(skb);
return -ENOMEM;
}
+ bp->force_copybreak = 1;
}
rh = (struct rx_header *) skb->data;
- skb_reserve(skb, RX_PKT_OFFSET);
rh->len = 0;
rh->flags = 0;
if (src_map != NULL)
src_map->skb = NULL;
- ctrl = (DESC_CTRL_LEN & (RX_PKT_BUF_SZ - RX_PKT_OFFSET));
+ ctrl = (DESC_CTRL_LEN & RX_PKT_BUF_SZ);
if (dest_idx == (B44_RX_RING_SIZE - 1))
ctrl |= DESC_CTRL_EOT;
dp = &bp->rx_ring[dest_idx];
dp->ctrl = cpu_to_le32(ctrl);
- dp->addr = cpu_to_le32((u32) mapping + RX_PKT_OFFSET + bp->dma_offset);
+ dp->addr = cpu_to_le32((u32) mapping + bp->dma_offset);
if (bp->flags & B44_FLAG_RX_RING_HACK)
b44_sync_dma_desc_for_device(bp->sdev, bp->rx_ring_dma,
- dest_idx * sizeof(dp),
+ dest_idx * sizeof(*dp),
DMA_BIDIRECTIONAL);
return RX_PKT_BUF_SZ;
if (bp->flags & B44_FLAG_RX_RING_HACK)
b44_sync_dma_desc_for_cpu(bp->sdev, bp->rx_ring_dma,
- src_idx * sizeof(src_desc),
+ src_idx * sizeof(*src_desc),
DMA_BIDIRECTIONAL);
ctrl = src_desc->ctrl;
if (bp->flags & B44_FLAG_RX_RING_HACK)
b44_sync_dma_desc_for_device(bp->sdev, bp->rx_ring_dma,
- dest_idx * sizeof(dest_desc),
+ dest_idx * sizeof(*dest_desc),
DMA_BIDIRECTIONAL);
- ssb_dma_sync_single_for_device(bp->sdev, le32_to_cpu(src_desc->addr),
+ ssb_dma_sync_single_for_device(bp->sdev, dest_map->mapping,
RX_PKT_BUF_SZ,
DMA_FROM_DEVICE);
}
drop_it:
b44_recycle_rx(bp, cons, bp->rx_prod);
drop_it_no_recycle:
- bp->stats.rx_dropped++;
+ bp->dev->stats.rx_dropped++;
goto next_pkt;
}
/* Omit CRC. */
len -= 4;
- if (len > RX_COPY_THRESHOLD) {
+ if (!bp->force_copybreak && len > RX_COPY_THRESHOLD) {
int skb_size;
skb_size = b44_alloc_rx_skb(bp, cons, bp->rx_prod);
if (skb_size < 0)
ssb_dma_unmap_single(bp->sdev, map,
skb_size, DMA_FROM_DEVICE);
/* Leave out rx_header */
- skb_put(skb, len + RX_PKT_OFFSET);
- skb_pull(skb, RX_PKT_OFFSET);
+ skb_put(skb, len + RX_PKT_OFFSET);
+ skb_pull(skb, RX_PKT_OFFSET);
} else {
struct sk_buff *copy_skb;
skb->ip_summed = CHECKSUM_NONE;
skb->protocol = eth_type_trans(skb, bp->dev);
netif_receive_skb(skb);
- bp->dev->last_rx = jiffies;
received++;
budget--;
next_pkt:
static int b44_poll(struct napi_struct *napi, int budget)
{
struct b44 *bp = container_of(napi, struct b44, napi);
- struct net_device *netdev = bp->dev;
int work_done;
+ unsigned long flags;
- spin_lock_irq(&bp->lock);
+ spin_lock_irqsave(&bp->lock, flags);
if (bp->istat & (ISTAT_TX | ISTAT_TO)) {
/* spin_lock(&bp->tx_lock); */
b44_tx(bp);
/* spin_unlock(&bp->tx_lock); */
}
- spin_unlock_irq(&bp->lock);
+ spin_unlock_irqrestore(&bp->lock, flags);
work_done = 0;
if (bp->istat & ISTAT_RX)
work_done += b44_rx(bp, budget);
if (bp->istat & ISTAT_ERRORS) {
- unsigned long flags;
-
spin_lock_irqsave(&bp->lock, flags);
b44_halt(bp);
b44_init_rings(bp);
}
if (work_done < budget) {
- netif_rx_complete(netdev, napi);
+ napi_complete(napi);
b44_enable_ints(bp);
}
goto irq_ack;
}
- if (netif_rx_schedule_prep(dev, &bp->napi)) {
+ if (napi_schedule_prep(&bp->napi)) {
/* NOTE: These writes are posted by the readback of
* the ISTAT register below.
*/
bp->istat = istat;
__b44_disable_ints(bp);
- __netif_rx_schedule(dev, &bp->napi);
+ __napi_schedule(&bp->napi);
} else {
printk(KERN_ERR PFX "%s: Error, poll already scheduled\n",
dev->name);
netif_wake_queue(dev);
}
-static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t b44_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct b44 *bp = netdev_priv(dev);
int rc = NETDEV_TX_OK;
dma_addr_t mapping;
u32 len, entry, ctrl;
+ unsigned long flags;
len = skb->len;
- spin_lock_irq(&bp->lock);
+ spin_lock_irqsave(&bp->lock, flags);
/* This is a hard error, log it. */
if (unlikely(TX_BUFFS_AVAIL(bp) < 1)) {
}
mapping = ssb_dma_map_single(bp->sdev, skb->data, len, DMA_TO_DEVICE);
- if (ssb_dma_mapping_error(bp->sdev, mapping) || mapping + len > DMA_30BIT_MASK) {
+ if (ssb_dma_mapping_error(bp->sdev, mapping) || mapping + len > DMA_BIT_MASK(30)) {
struct sk_buff *bounce_skb;
/* Chip can't handle DMA to/from >1GB, use bounce buffer */
ssb_dma_unmap_single(bp->sdev, mapping, len,
DMA_TO_DEVICE);
- bounce_skb = __dev_alloc_skb(len, GFP_ATOMIC | GFP_DMA);
+ bounce_skb = __netdev_alloc_skb(dev, len, GFP_ATOMIC | GFP_DMA);
if (!bounce_skb)
goto err_out;
mapping = ssb_dma_map_single(bp->sdev, bounce_skb->data,
len, DMA_TO_DEVICE);
- if (ssb_dma_mapping_error(bp->sdev, mapping) || mapping + len > DMA_30BIT_MASK) {
+ if (ssb_dma_mapping_error(bp->sdev, mapping) || mapping + len > DMA_BIT_MASK(30)) {
if (!ssb_dma_mapping_error(bp->sdev, mapping))
ssb_dma_unmap_single(bp->sdev, mapping,
len, DMA_TO_DEVICE);
dev->trans_start = jiffies;
out_unlock:
- spin_unlock_irq(&bp->lock);
+ spin_unlock_irqrestore(&bp->lock, flags);
return rc;
DMA_BIDIRECTIONAL);
if (ssb_dma_mapping_error(bp->sdev, rx_ring_dma) ||
- rx_ring_dma + size > DMA_30BIT_MASK) {
+ rx_ring_dma + size > DMA_BIT_MASK(30)) {
kfree(rx_ring);
goto out_err;
}
DMA_TO_DEVICE);
if (ssb_dma_mapping_error(bp->sdev, tx_ring_dma) ||
- tx_ring_dma + size > DMA_30BIT_MASK) {
+ tx_ring_dma + size > DMA_BIT_MASK(30)) {
kfree(tx_ring);
goto out_err;
}
static void b44_chip_reset(struct b44 *bp, int reset_kind)
{
struct ssb_device *sdev = bp->sdev;
+ bool was_enabled;
+
+ was_enabled = ssb_device_is_enabled(bp->sdev);
- if (ssb_device_is_enabled(bp->sdev)) {
+ ssb_device_enable(bp->sdev, 0);
+ ssb_pcicore_dev_irqvecs_enable(&sdev->bus->pcicore, sdev);
+
+ if (was_enabled) {
bw32(bp, B44_RCV_LAZY, 0);
bw32(bp, B44_ENET_CTRL, ENET_CTRL_DISABLE);
b44_wait_bit(bp, B44_ENET_CTRL, ENET_CTRL_DISABLE, 200, 1);
}
bw32(bp, B44_DMARX_CTRL, 0);
bp->rx_prod = bp->rx_cons = 0;
- } else
- ssb_pcicore_dev_irqvecs_enable(&sdev->bus->pcicore, sdev);
+ }
- ssb_device_enable(bp->sdev, 0);
b44_clear_stats(bp);
/*
switch (sdev->bus->bustype) {
case SSB_BUSTYPE_SSB:
bw32(bp, B44_MDIO_CTRL, (MDIO_CTRL_PREAMBLE |
- (((ssb_clockspeed(sdev->bus) + (B44_MDC_RATIO / 2)) / B44_MDC_RATIO)
+ (DIV_ROUND_CLOSEST(ssb_clockspeed(sdev->bus),
+ B44_MDC_RATIO)
& MDIO_CTRL_MAXF_MASK)));
break;
case SSB_BUSTYPE_PCI:
- case SSB_BUSTYPE_PCMCIA:
bw32(bp, B44_MDIO_CTRL, (MDIO_CTRL_PREAMBLE |
(0x0d & MDIO_CTRL_MAXF_MASK)));
break;
+ case SSB_BUSTYPE_PCMCIA:
+ case SSB_BUSTYPE_SDIO:
+ WARN_ON(1); /* A device with this bus does not exist. */
+ break;
}
br32(bp, B44_MDIO_CTRL);
static struct net_device_stats *b44_get_stats(struct net_device *dev)
{
struct b44 *bp = netdev_priv(dev);
- struct net_device_stats *nstat = &bp->stats;
+ struct net_device_stats *nstat = &dev->stats;
struct b44_hw_stats *hwstat = &bp->hw_stats;
/* Convert HW stats into netdevice stats. */
struct b44 *bp = netdev_priv(dev);
struct ssb_bus *bus = bp->sdev->bus;
- strncpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
- strncpy(info->version, DRV_MODULE_VERSION, sizeof(info->driver));
+ strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
+ strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
switch (bus->bustype) {
case SSB_BUSTYPE_PCI:
- strncpy(info->bus_info, pci_name(bus->host_pci), sizeof(info->bus_info));
+ strlcpy(info->bus_info, pci_name(bus->host_pci), sizeof(info->bus_info));
break;
- case SSB_BUSTYPE_PCMCIA:
case SSB_BUSTYPE_SSB:
- strncpy(info->bus_info, "SSB", sizeof(info->bus_info));
+ strlcpy(info->bus_info, "SSB", sizeof(info->bus_info));
+ break;
+ case SSB_BUSTYPE_PCMCIA:
+ case SSB_BUSTYPE_SDIO:
+ WARN_ON(1); /* A device with this bus does not exist. */
break;
}
}
return err;
}
+static const struct net_device_ops b44_netdev_ops = {
+ .ndo_open = b44_open,
+ .ndo_stop = b44_close,
+ .ndo_start_xmit = b44_start_xmit,
+ .ndo_get_stats = b44_get_stats,
+ .ndo_set_multicast_list = b44_set_rx_mode,
+ .ndo_set_mac_address = b44_set_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_do_ioctl = b44_ioctl,
+ .ndo_tx_timeout = b44_tx_timeout,
+ .ndo_change_mtu = b44_change_mtu,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = b44_poll_controller,
+#endif
+};
+
static int __devinit b44_init_one(struct ssb_device *sdev,
const struct ssb_device_id *ent)
{
struct net_device *dev;
struct b44 *bp;
int err;
- DECLARE_MAC_BUF(mac);
instance++;
bp = netdev_priv(dev);
bp->sdev = sdev;
bp->dev = dev;
+ bp->force_copybreak = 0;
bp->msg_enable = netif_msg_init(b44_debug, B44_DEF_MSG_ENABLE);
bp->rx_pending = B44_DEF_RX_RING_PENDING;
bp->tx_pending = B44_DEF_TX_RING_PENDING;
- dev->open = b44_open;
- dev->stop = b44_close;
- dev->hard_start_xmit = b44_start_xmit;
- dev->get_stats = b44_get_stats;
- dev->set_multicast_list = b44_set_rx_mode;
- dev->set_mac_address = b44_set_mac_addr;
- dev->do_ioctl = b44_ioctl;
- dev->tx_timeout = b44_tx_timeout;
+ dev->netdev_ops = &b44_netdev_ops;
netif_napi_add(dev, &bp->napi, b44_poll, 64);
dev->watchdog_timeo = B44_TX_TIMEOUT;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- dev->poll_controller = b44_poll_controller;
-#endif
- dev->change_mtu = b44_change_mtu;
dev->irq = sdev->irq;
SET_ETHTOOL_OPS(dev, &b44_ethtool_ops);
"Failed to powerup the bus\n");
goto err_out_free_dev;
}
- err = ssb_dma_set_mask(sdev, DMA_30BIT_MASK);
+ err = ssb_dma_set_mask(sdev, DMA_BIT_MASK(30));
if (err) {
dev_err(sdev->dev,
"Required 30BIT DMA mask unsupported by the system.\n");
*/
b44_chip_reset(bp, B44_CHIP_RESET_FULL);
- printk(KERN_INFO "%s: Broadcom 44xx/47xx 10/100BaseT Ethernet %s\n",
- dev->name, print_mac(mac, dev->dev_addr));
+ printk(KERN_INFO "%s: Broadcom 44xx/47xx 10/100BaseT Ethernet %pM\n",
+ dev->name, dev->dev_addr);
return 0;
struct net_device *dev = ssb_get_drvdata(sdev);
unregister_netdev(dev);
+ ssb_device_disable(sdev, 0);
ssb_bus_may_powerdown(sdev->bus);
free_netdev(dev);
ssb_pcihost_set_power_state(sdev, PCI_D3hot);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff