diff options
| -rw-r--r-- | target/linux/ar7/files/drivers/net/cpmac.c | 310 |
1 files changed, 157 insertions, 153 deletions
diff --git a/target/linux/ar7/files/drivers/net/cpmac.c b/target/linux/ar7/files/drivers/net/cpmac.c index b575aa868..b0ba670ee 100644 --- a/target/linux/ar7/files/drivers/net/cpmac.c +++ b/target/linux/ar7/files/drivers/net/cpmac.c @@ -38,23 +38,21 @@ #include <linux/dma-mapping.h> #include <asm/gpio.h> -MODULE_AUTHOR("Eugene Konev"); +MODULE_AUTHOR("Eugene Konev <ejka@imfi.kspu.ru>"); MODULE_DESCRIPTION("TI AR7 ethernet driver (CPMAC)"); MODULE_LICENSE("GPL"); -static int disable_napi; static int debug_level = 8; static int dumb_switch; -module_param(disable_napi, int, 0644); /* Next 2 are only used in cpmac_probe, so it's pointless to change them */ module_param(debug_level, int, 0444); module_param(dumb_switch, int, 0444); -MODULE_PARM_DESC(disable_napi, "Disable NAPI polling"); MODULE_PARM_DESC(debug_level, "Number of NETIF_MSG bits to enable"); MODULE_PARM_DESC(dumb_switch, "Assume switch is not connected to MDIO bus"); +#define CPMAC_VERSION "0.5.0" /* stolen from net/ieee80211.h */ #ifndef MAC_FMT #define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x" @@ -63,7 +61,7 @@ MODULE_PARM_DESC(dumb_switch, "Assume switch is not connected to MDIO bus"); #endif /* frame size + 802.1q tag */ #define CPMAC_SKB_SIZE (ETH_FRAME_LEN + 4) -#define CPMAC_TX_RING_SIZE 8 +#define CPMAC_QUEUES 8 /* Ethernet registers */ #define CPMAC_TX_CONTROL 0x0004 @@ -199,8 +197,8 @@ struct cpmac_desc { struct cpmac_priv { spinlock_t lock; + spinlock_t rx_lock; struct cpmac_desc *rx_head; - int tx_head, tx_tail; int ring_size; struct cpmac_desc *desc_ring; dma_addr_t dma_ring; @@ -210,12 +208,14 @@ struct cpmac_priv { char phy_name[BUS_ID_SIZE]; int oldlink, oldspeed, oldduplex; u32 msg_enable; + struct net_device *dev; + struct work_struct reset_work; struct platform_device *pdev; }; static irqreturn_t cpmac_irq(int, void *); -static void cpmac_reset(struct net_device *dev); -static void cpmac_hw_init(struct net_device *dev); +static void cpmac_hw_start(struct net_device *dev); +static void cpmac_hw_stop(struct net_device *dev); static int cpmac_stop(struct net_device *dev); static int cpmac_open(struct net_device *dev); @@ -366,7 +366,6 @@ static struct sk_buff *cpmac_rx_one(struct net_device *dev, struct cpmac_priv *priv, struct cpmac_desc *desc) { - unsigned long flags; struct sk_buff *skb, *result = NULL; if (unlikely(netif_msg_hw(priv))) @@ -380,7 +379,6 @@ static struct sk_buff *cpmac_rx_one(struct net_device *dev, } skb = netdev_alloc_skb(dev, CPMAC_SKB_SIZE); - spin_lock_irqsave(&priv->lock, flags); if (likely(skb)) { skb_reserve(skb, 2); skb_put(desc->skb, desc->datalen); @@ -406,7 +404,6 @@ static struct sk_buff *cpmac_rx_one(struct net_device *dev, "%s: low on skbs, dropping packet\n", dev->name); dev->stats.rx_dropped++; } - spin_unlock_irqrestore(&priv->lock, flags); desc->buflen = CPMAC_SKB_SIZE; desc->dataflags = CPMAC_OWN; @@ -414,32 +411,6 @@ static struct sk_buff *cpmac_rx_one(struct net_device *dev, return result; } -static void cpmac_rx(struct net_device *dev) -{ - struct sk_buff *skb; - struct cpmac_desc *desc; - struct cpmac_priv *priv = netdev_priv(dev); - - spin_lock(&priv->lock); - if (unlikely(!priv->rx_head)) { - spin_unlock(&priv->lock); - return; - } - - desc = priv->rx_head; - - while ((desc->dataflags & CPMAC_OWN) == 0) { - skb = cpmac_rx_one(dev, priv, desc); - if (likely(skb)) - netif_rx(skb); - desc = desc->next; - } - - priv->rx_head = desc; - cpmac_write(priv->regs, CPMAC_RX_PTR(0), (u32)desc->mapping); - spin_unlock(&priv->lock); -} - static int cpmac_poll(struct net_device *dev, int *budget) { struct sk_buff *skb; @@ -447,6 +418,7 @@ static int cpmac_poll(struct net_device *dev, int *budget) int received = 0, quota = min(dev->quota, *budget); struct cpmac_priv *priv = netdev_priv(dev); + spin_lock(&priv->rx_lock); if (unlikely(!priv->rx_head)) { if (netif_msg_rx_err(priv) && net_ratelimit()) printk(KERN_WARNING "%s: rx: polling, but no queue\n", @@ -456,7 +428,6 @@ static int cpmac_poll(struct net_device *dev, int *budget) } desc = priv->rx_head; - while ((received < quota) && ((desc->dataflags & CPMAC_OWN) == 0)) { skb = cpmac_rx_one(dev, priv, desc); if (likely(skb)) { @@ -467,6 +438,7 @@ static int cpmac_poll(struct net_device *dev, int *budget) } priv->rx_head = desc; + spin_unlock(&priv->rx_lock); *budget -= received; dev->quota -= received; if (unlikely(netif_msg_rx_status(priv))) @@ -484,41 +456,39 @@ static int cpmac_poll(struct net_device *dev, int *budget) static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev) { - unsigned long flags; - int channel, len; + int queue, len; struct cpmac_desc *desc; struct cpmac_priv *priv = netdev_priv(dev); if (unlikely(skb_padto(skb, ETH_ZLEN))) { if (netif_msg_tx_err(priv) && net_ratelimit()) - printk(KERN_WARNING"%s: tx: padding failed, dropping\n", - dev->name); - spin_lock_irqsave(&priv->lock, flags); + printk(KERN_WARNING + "%s: tx: padding failed, dropping\n", dev->name); + spin_lock(&priv->lock); dev->stats.tx_dropped++; - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock(&priv->lock); return -ENOMEM; } len = max(skb->len, ETH_ZLEN); - spin_lock_irqsave(&priv->lock, flags); - channel = priv->tx_tail++; - priv->tx_tail %= CPMAC_TX_RING_SIZE; - if (priv->tx_tail == priv->tx_head) - netif_stop_queue(dev); + queue = skb->queue_mapping; + netif_stop_subqueue(dev, queue); - desc = &priv->desc_ring[channel]; - if (desc->dataflags & CPMAC_OWN) { + desc = &priv->desc_ring[queue]; + if (unlikely(desc->dataflags & CPMAC_OWN)) { if (netif_msg_tx_err(priv) && net_ratelimit()) printk(KERN_WARNING "%s: tx dma ring full, dropping\n", dev->name); + spin_lock(&priv->lock); dev->stats.tx_dropped++; - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock(&priv->lock); dev_kfree_skb_any(skb); return -ENOMEM; } + spin_lock(&priv->lock); dev->trans_start = jiffies; - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock(&priv->lock); desc->dataflags = CPMAC_SOP | CPMAC_EOP | CPMAC_OWN; desc->skb = skb; desc->data_mapping = dma_map_single(&dev->dev, skb->data, len, @@ -533,22 +503,23 @@ static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev) cpmac_dump_desc(dev, desc); if (unlikely(netif_msg_pktdata(priv))) cpmac_dump_skb(dev, skb); - cpmac_write(priv->regs, CPMAC_TX_PTR(channel), (u32)desc->mapping); + cpmac_write(priv->regs, CPMAC_TX_PTR(queue), (u32)desc->mapping); return 0; } -static void cpmac_end_xmit(struct net_device *dev, int channel) +static void cpmac_end_xmit(struct net_device *dev, int queue) { struct cpmac_desc *desc; struct cpmac_priv *priv = netdev_priv(dev); - spin_lock(&priv->lock); - desc = &priv->desc_ring[channel]; - cpmac_write(priv->regs, CPMAC_TX_ACK(channel), (u32)desc->mapping); + desc = &priv->desc_ring[queue]; + cpmac_write(priv->regs, CPMAC_TX_ACK(queue), (u32)desc->mapping); if (likely(desc->skb)) { + spin_lock(&priv->lock); dev->stats.tx_packets++; dev->stats.tx_bytes += desc->skb->len; + spin_unlock(&priv->lock); dma_unmap_single(&dev->dev, desc->data_mapping, desc->skb->len, DMA_TO_DEVICE); @@ -557,16 +528,19 @@ static void cpmac_end_xmit(struct net_device *dev, int channel) desc->skb, desc->skb->len); dev_kfree_skb_irq(desc->skb); - if (netif_queue_stopped(dev)) - netif_wake_queue(dev); - } else + desc->skb = NULL; + if (netif_subqueue_stopped(dev, queue)) + netif_wake_subqueue(dev, queue); + } else { if (netif_msg_tx_err(priv) && net_ratelimit()) printk(KERN_WARNING "%s: end_xmit: spurious interrupt\n", dev->name); - spin_unlock(&priv->lock); + if (netif_subqueue_stopped(dev, queue)) + netif_wake_subqueue(dev, queue); + } } -static void cpmac_reset(struct net_device *dev) +static void cpmac_hw_stop(struct net_device *dev) { int i; struct cpmac_priv *priv = netdev_priv(dev); @@ -581,23 +555,64 @@ static void cpmac_reset(struct net_device *dev) cpmac_write(priv->regs, CPMAC_TX_PTR(i), 0); cpmac_write(priv->regs, CPMAC_RX_PTR(i), 0); } + cpmac_write(priv->regs, CPMAC_UNICAST_CLEAR, 0xff); + cpmac_write(priv->regs, CPMAC_RX_INT_CLEAR, 0xff); + cpmac_write(priv->regs, CPMAC_TX_INT_CLEAR, 0xff); + cpmac_write(priv->regs, CPMAC_MAC_INT_CLEAR, 0xff); cpmac_write(priv->regs, CPMAC_MAC_CONTROL, cpmac_read(priv->regs, CPMAC_MAC_CONTROL) & ~MAC_MII); } -static inline void cpmac_free_rx_ring(struct net_device *dev) +static void cpmac_hw_start(struct net_device *dev) { - struct cpmac_desc *desc; int i; struct cpmac_priv *priv = netdev_priv(dev); + struct plat_cpmac_data *pdata = priv->pdev->dev.platform_data; + + ar7_device_reset(pdata->reset_bit); + for (i = 0; i < 8; i++) { + cpmac_write(priv->regs, CPMAC_TX_PTR(i), 0); + cpmac_write(priv->regs, CPMAC_RX_PTR(i), 0); + } + cpmac_write(priv->regs, CPMAC_RX_PTR(0), priv->rx_head->mapping); + + cpmac_write(priv->regs, CPMAC_MBP, MBP_RXSHORT | MBP_RXBCAST | + MBP_RXMCAST); + cpmac_write(priv->regs, CPMAC_BUFFER_OFFSET, 0); + for (i = 0; i < 8; i++) + cpmac_write(priv->regs, CPMAC_MAC_ADDR_LO(i), dev->dev_addr[5]); + cpmac_write(priv->regs, CPMAC_MAC_ADDR_MID, dev->dev_addr[4]); + cpmac_write(priv->regs, CPMAC_MAC_ADDR_HI, dev->dev_addr[0] | + (dev->dev_addr[1] << 8) | (dev->dev_addr[2] << 16) | + (dev->dev_addr[3] << 24)); + cpmac_write(priv->regs, CPMAC_MAX_LENGTH, CPMAC_SKB_SIZE); + cpmac_write(priv->regs, CPMAC_UNICAST_CLEAR, 0xff); + cpmac_write(priv->regs, CPMAC_RX_INT_CLEAR, 0xff); + cpmac_write(priv->regs, CPMAC_TX_INT_CLEAR, 0xff); + cpmac_write(priv->regs, CPMAC_MAC_INT_CLEAR, 0xff); + cpmac_write(priv->regs, CPMAC_UNICAST_ENABLE, 1); + cpmac_write(priv->regs, CPMAC_RX_INT_ENABLE, 1); + cpmac_write(priv->regs, CPMAC_TX_INT_ENABLE, 0xff); + cpmac_write(priv->regs, CPMAC_MAC_INT_ENABLE, 3); + + cpmac_write(priv->regs, CPMAC_RX_CONTROL, + cpmac_read(priv->regs, CPMAC_RX_CONTROL) | 1); + cpmac_write(priv->regs, CPMAC_TX_CONTROL, + cpmac_read(priv->regs, CPMAC_TX_CONTROL) | 1); + cpmac_write(priv->regs, CPMAC_MAC_CONTROL, + cpmac_read(priv->regs, CPMAC_MAC_CONTROL) | MAC_MII | + MAC_FDX); +} +static void cpmac_clear_rx(struct net_device *dev) +{ + struct cpmac_priv *priv = netdev_priv(dev); + struct cpmac_desc *desc; + int i; if (unlikely(!priv->rx_head)) return; - desc = priv->rx_head; - for (i = 0; i < priv->ring_size; i++) { - desc->buflen = CPMAC_SKB_SIZE; if ((desc->dataflags & CPMAC_OWN) == 0) { if (netif_msg_rx_err(priv) && net_ratelimit()) printk(KERN_WARNING "%s: packet dropped\n", @@ -611,10 +626,38 @@ static inline void cpmac_free_rx_ring(struct net_device *dev) } } +static void cpmac_clear_tx(struct net_device *dev) +{ + struct cpmac_priv *priv = netdev_priv(dev); + int i; + if (unlikely(!priv->desc_ring)) + return; + for (i = 0; i < CPMAC_QUEUES; i++) + if (priv->desc_ring[i].skb) { + dev_kfree_skb_any(priv->desc_ring[i].skb); + if (netif_subqueue_stopped(dev, i)) + netif_wake_subqueue(dev, i); + } +} + +static void cpmac_hw_error(struct work_struct *work) +{ + struct cpmac_priv *priv = + container_of(work, struct cpmac_priv, reset_work); + + spin_lock(&priv->rx_lock); + cpmac_clear_rx(priv->dev); + spin_unlock(&priv->rx_lock); + cpmac_clear_tx(priv->dev); + cpmac_hw_start(priv->dev); + netif_start_queue(priv->dev); +} + static irqreturn_t cpmac_irq(int irq, void *dev_id) { struct net_device *dev = dev_id; struct cpmac_priv *priv; + int queue; u32 status; if (!dev) @@ -632,12 +675,9 @@ static irqreturn_t cpmac_irq(int irq, void *dev_id) cpmac_end_xmit(dev, (status & 7)); if (status & MAC_INT_RX) { - if (disable_napi) - cpmac_rx(dev); - else { - cpmac_write(priv->regs, CPMAC_RX_INT_CLEAR, 1); - netif_rx_schedule(dev); - } + queue = (status >> 8) & 7; + netif_rx_schedule(dev); + cpmac_write(priv->regs, CPMAC_RX_INT_CLEAR, 1 << queue); } cpmac_write(priv->regs, CPMAC_MAC_EOI_VECTOR, 0); @@ -646,14 +686,11 @@ static irqreturn_t cpmac_irq(int irq, void *dev_id) if (netif_msg_drv(priv) && net_ratelimit()) printk(KERN_ERR "%s: hw error, resetting...\n", dev->name); + netif_stop_queue(dev); + cpmac_hw_stop(dev); + schedule_work(&priv->reset_work); if (unlikely(netif_msg_hw(priv))) cpmac_dump_regs(dev); - spin_lock(&priv->lock); - phy_stop(priv->phy); - cpmac_reset(dev); - cpmac_free_rx_ring(dev); - cpmac_hw_init(dev); - spin_unlock(&priv->lock); } return IRQ_HANDLED; @@ -662,16 +699,23 @@ static irqreturn_t cpmac_irq(int irq, void *dev_id) static void cpmac_tx_timeout(struct net_device *dev) { struct cpmac_priv *priv = netdev_priv(dev); - struct cpmac_desc *desc; + int i; + spin_lock(&priv->lock); dev->stats.tx_errors++; - desc = &priv->desc_ring[priv->tx_head++]; - priv->tx_head %= 8; + spin_unlock(&priv->lock); if (netif_msg_tx_err(priv) && net_ratelimit()) printk(KERN_WARNING "%s: transmit timeout\n", dev->name); - if (desc->skb) - dev_kfree_skb_any(desc->skb); - netif_wake_queue(dev); + /* + * FIXME: waking up random queue is not the best thing to + * do... on the other hand why we got here at all? + */ + for (i = 0; i < CPMAC_QUEUES; i++) + if (priv->desc_ring[i].skb) { + dev_kfree_skb_any(priv->desc_ring[i].skb); + netif_wake_subqueue(dev, i); + break; + } } static int cpmac_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) @@ -685,7 +729,7 @@ static int cpmac_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) (cmd == SIOCSMIIREG)) return phy_mii_ioctl(priv->phy, if_mii(ifr), cmd); - return -EINVAL; + return -EOPNOTSUPP; } static int cpmac_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) @@ -740,7 +784,7 @@ static void cpmac_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { strcpy(info->driver, "cpmac"); - strcpy(info->version, "0.0.3"); + strcpy(info->version, CPMAC_VERSION); info->fw_version[0] = '\0'; sprintf(info->bus_info, "%s", "cpmac"); info->regdump_len = 0; @@ -758,11 +802,11 @@ static const struct ethtool_ops cpmac_ethtool_ops = { static void cpmac_adjust_link(struct net_device *dev) { struct cpmac_priv *priv = netdev_priv(dev); - unsigned long flags; int new_state = 0; - spin_lock_irqsave(&priv->lock, flags); + spin_lock(&priv->lock); if (priv->phy->link) { + netif_start_queue(dev); if (priv->phy->duplex != priv->oldduplex) { new_state = 1; priv->oldduplex = priv->phy->duplex; @@ -779,6 +823,7 @@ static void cpmac_adjust_link(struct net_device *dev) netif_schedule(dev); } } else if (priv->oldlink) { + netif_stop_queue(dev); new_state = 1; priv->oldlink = 0; priv->oldspeed = 0; @@ -788,49 +833,7 @@ static void cpmac_adjust_link(struct net_device *dev) if (new_state && netif_msg_link(priv) && net_ratelimit()) phy_print_status(priv->phy); - spin_unlock_irqrestore(&priv->lock, flags); -} - -static void cpmac_hw_init(struct net_device *dev) -{ - int i; - struct cpmac_priv *priv = netdev_priv(dev); - - for (i = 0; i < 8; i++) { - cpmac_write(priv->regs, CPMAC_TX_PTR(i), 0); - cpmac_write(priv->regs, CPMAC_RX_PTR(i), 0); - } - cpmac_write(priv->regs, CPMAC_RX_PTR(0), priv->rx_head->mapping); - - cpmac_write(priv->regs, CPMAC_MBP, MBP_RXSHORT | MBP_RXBCAST | - MBP_RXMCAST); - cpmac_write(priv->regs, CPMAC_UNICAST_ENABLE, 1); - cpmac_write(priv->regs, CPMAC_UNICAST_CLEAR, 0xfe); - cpmac_write(priv->regs, CPMAC_BUFFER_OFFSET, 0); - for (i = 0; i < 8; i++) - cpmac_write(priv->regs, CPMAC_MAC_ADDR_LO(i), dev->dev_addr[5]); - cpmac_write(priv->regs, CPMAC_MAC_ADDR_MID, dev->dev_addr[4]); - cpmac_write(priv->regs, CPMAC_MAC_ADDR_HI, dev->dev_addr[0] | - (dev->dev_addr[1] << 8) | (dev->dev_addr[2] << 16) | - (dev->dev_addr[3] << 24)); - cpmac_write(priv->regs, CPMAC_MAX_LENGTH, CPMAC_SKB_SIZE); - cpmac_write(priv->regs, CPMAC_RX_INT_CLEAR, 0xff); - cpmac_write(priv->regs, CPMAC_TX_INT_CLEAR, 0xff); - cpmac_write(priv->regs, CPMAC_MAC_INT_CLEAR, 0xff); - cpmac_write(priv->regs, CPMAC_RX_INT_ENABLE, 1); - cpmac_write(priv->regs, CPMAC_TX_INT_ENABLE, 0xff); - cpmac_write(priv->regs, CPMAC_MAC_INT_ENABLE, 3); - - cpmac_write(priv->regs, CPMAC_RX_CONTROL, - cpmac_read(priv->regs, CPMAC_RX_CONTROL) | 1); - cpmac_write(priv->regs, CPMAC_TX_CONTROL, - cpmac_read(priv->regs, CPMAC_TX_CONTROL) | 1); - cpmac_write(priv->regs, CPMAC_MAC_CONTROL, - cpmac_read(priv->regs, CPMAC_MAC_CONTROL) | MAC_MII | - MAC_FDX); - - priv->phy->state = PHY_CHANGELINK; - phy_start(priv->phy); + spin_unlock(&priv->lock); } static int cpmac_open(struct net_device *dev) @@ -868,8 +871,7 @@ static int cpmac_open(struct net_device *dev) goto fail_remap; } - priv->rx_head = NULL; - size = priv->ring_size + CPMAC_TX_RING_SIZE; + size = priv->ring_size + CPMAC_QUEUES; priv->desc_ring = dma_alloc_coherent(&dev->dev, sizeof(struct cpmac_desc) * size, &priv->dma_ring, @@ -879,11 +881,11 @@ static int cpmac_open(struct net_device *dev) goto fail_alloc; } - priv->rx_head = &priv->desc_ring[CPMAC_TX_RING_SIZE]; for (i = 0; i < size; i++) priv->desc_ring[i].mapping = priv->dma_ring + sizeof(*desc) * i; - for (i = 0, desc = &priv->rx_head[i]; i < priv->ring_size; i++, desc++) { + priv->rx_head = &priv->desc_ring[CPMAC_QUEUES]; + for (i = 0, desc = priv->rx_head; i < priv->ring_size; i++, desc++) { skb = netdev_alloc_skb(dev, CPMAC_SKB_SIZE); if (unlikely(!skb)) { res = -ENOMEM; @@ -909,21 +911,23 @@ static int cpmac_open(struct net_device *dev) goto fail_irq; } - cpmac_reset(dev); - cpmac_hw_init(dev); + INIT_WORK(&priv->reset_work, cpmac_hw_error); + cpmac_hw_start(dev); + + priv->phy->state = PHY_CHANGELINK; + phy_start(priv->phy); - netif_start_queue(dev); return 0; fail_irq: fail_desc: for (i = 0; i < priv->ring_size; i++) { if (priv->rx_head[i].skb) { - kfree_skb(priv->rx_head[i].skb); dma_unmap_single(&dev->dev, priv->rx_head[i].data_mapping, CPMAC_SKB_SIZE, DMA_FROM_DEVICE); + kfree_skb(priv->rx_head[i].skb); } } fail_alloc: @@ -947,11 +951,12 @@ static int cpmac_stop(struct net_device *dev) netif_stop_queue(dev); + cancel_work_sync(&priv->reset_work); phy_stop(priv->phy); phy_disconnect(priv->phy); priv->phy = NULL; - cpmac_reset(dev); + cpmac_hw_stop(dev); for (i = 0; i < 8; i++) cpmac_write(priv->regs, CPMAC_TX_PTR(i), 0); @@ -962,19 +967,19 @@ static int cpmac_stop(struct net_device *dev) iounmap(priv->regs); mem = platform_get_resource_byname(priv->pdev, IORESOURCE_MEM, "regs"); release_mem_region(mem->start, mem->end - mem->start); - priv->rx_head = &priv->desc_ring[CPMAC_TX_RING_SIZE]; + priv->rx_head = &priv->desc_ring[CPMAC_QUEUES]; for (i = 0; i < priv->ring_size; i++) { if (priv->rx_head[i].skb) { - kfree_skb(priv->rx_head[i].skb); dma_unmap_single(&dev->dev, priv->rx_head[i].data_mapping, CPMAC_SKB_SIZE, DMA_FROM_DEVICE); + kfree_skb(priv->rx_head[i].skb); } } dma_free_coherent(&dev->dev, sizeof(struct cpmac_desc) * - (CPMAC_TX_RING_SIZE + priv->ring_size), + (CPMAC_QUEUES + priv->ring_size), priv->desc_ring, priv->dma_ring); return 0; } @@ -1008,7 +1013,7 @@ static int __devinit cpmac_probe(struct platform_device *pdev) } } - dev = alloc_etherdev(sizeof(struct cpmac_priv)); + dev = alloc_etherdev_mq(sizeof(*priv), CPMAC_QUEUES); if (!dev) { printk(KERN_ERR "cpmac: Unable to allocate net_device\n"); @@ -1035,20 +1040,19 @@ static int __devinit cpmac_probe(struct platform_device *pdev) dev->set_multicast_list = cpmac_set_multicast_list; dev->tx_timeout = cpmac_tx_timeout; dev->ethtool_ops = &cpmac_ethtool_ops; - if (!disable_napi) { - dev->poll = cpmac_poll; - dev->weight = 64; - } + dev->poll = cpmac_poll; + dev->weight = 64; + dev->features |= NETIF_F_MULTI_QUEUE; spin_lock_init(&priv->lock); - priv->msg_enable = netif_msg_init(debug_level, 0xff); + spin_lock_init(&priv->rx_lock); + priv->dev = dev; priv->ring_size = 64; + priv->msg_enable = netif_msg_init(debug_level, 0xff); memcpy(dev->dev_addr, pdata->dev_addr, sizeof(dev->dev_addr)); if (phy_id == 31) { snprintf(priv->phy_name, BUS_ID_SIZE, PHY_ID_FMT, cpmac_mii.id, phy_id); -/* cpmac_write(cpmac_mii.priv, CPMAC_MDIO_PHYSEL(0), PHYSEL_LINKSEL - | PHYSEL_LINKINT | phy_id);*/ } else snprintf(priv->phy_name, BUS_ID_SIZE, "fixed@%d:%d", 100, 1); |