#include <linux/net.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
#include <linux/skbuff.h>
-#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/delay.h>
#include <linux/crc32.h>
#include <linux/rtnetlink.h>
#include <linux/timer.h>
#include <linux/platform_device.h>
-#include <linux/etherdevice.h>
+#include <linux/gfp.h>
#include <asm/system.h>
#include <asm/io.h>
void __iomem *regs; /* Base of normal regs */
void __iomem *phyregs; /* Base of register bank used for PHY access */
+ struct net_device *dev;
+ struct napi_struct napi;
+
unsigned int phy; /* Index of PHY for this interface */
unsigned int irq_num;
unsigned int id;
+ unsigned int phy_type;
struct timer_list timer;/* Timer that triggers the check phy function */
unsigned int rxtail; /* Next entry in rxring to read */
.remove = tsi108_ether_remove,
.driver = {
.name = "tsi-ethernet",
+ .owner = THIS_MODULE,
},
};
return;
udelay(10);
}
- printk(KERN_ERR "%s function time out \n", __FUNCTION__);
+ printk(KERN_ERR "%s function time out\n", __func__);
}
static int mii_speed(struct mii_if_info *mii)
u32 speed;
unsigned long flags;
- /* Do a dummy read, as for some reason the first read
- * after a link becomes up returns link down, even if
- * it's been a while since the link came up.
- */
-
spin_lock_irqsave(&phy_lock, flags);
if (!data->phy_ok)
goto out;
- tsi108_read_mii(data, MII_BMSR);
-
duplex = mii_check_media(&data->mii_if, netif_msg_link(data), data->init_media);
data->init_media = 0;
TSI_WRITE(TSI108_MAC_CFG2, mac_cfg2_reg);
TSI_WRITE(TSI108_EC_PORTCTRL, portctrl_reg);
+ }
- if (data->link_up == 0) {
- /* The manual says it can take 3-4 usecs for the speed change
- * to take effect.
- */
- udelay(5);
+ if (data->link_up == 0) {
+ /* The manual says it can take 3-4 usecs for the speed change
+ * to take effect.
+ */
+ udelay(5);
- spin_lock(&data->txlock);
- if (is_valid_ether_addr(dev->dev_addr) && data->txfree)
- netif_wake_queue(dev);
+ spin_lock(&data->txlock);
+ if (is_valid_ether_addr(dev->dev_addr) && data->txfree)
+ netif_wake_queue(dev);
- data->link_up = 1;
- spin_unlock(&data->txlock);
- }
+ data->link_up = 1;
+ spin_unlock(&data->txlock);
}
-
} else {
if (data->link_up == 1) {
netif_stop_queue(dev);
if (i == 0) {
data->txring[tx].buf0 = dma_map_single(NULL, skb->data,
- skb->len - skb->data_len, DMA_TO_DEVICE);
- data->txring[tx].len = skb->len - skb->data_len;
+ skb_headlen(skb), DMA_TO_DEVICE);
+ data->txring[tx].len = skb_headlen(skb);
misc |= TSI108_TX_SOF;
} else {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i - 1];
skb_put(skb, data->rxring[rx].len);
skb->protocol = eth_type_trans(skb, dev);
netif_receive_skb(skb);
- dev->last_rx = jiffies;
}
return done;
int rx = data->rxhead;
struct sk_buff *skb;
- data->rxskbs[rx] = skb = dev_alloc_skb(TSI108_RXBUF_SIZE + 2);
+ skb = netdev_alloc_skb_ip_align(dev, TSI108_RXBUF_SIZE);
+ data->rxskbs[rx] = skb;
if (!skb)
break;
- skb_reserve(skb, 2); /* Align the data on a 4-byte boundary. */
-
data->rxring[rx].buf0 = dma_map_single(NULL, skb->data,
TSI108_RX_SKB_SIZE,
DMA_FROM_DEVICE);
return done;
}
-static int tsi108_poll(struct net_device *dev, int *budget)
+static int tsi108_poll(struct napi_struct *napi, int budget)
{
- struct tsi108_prv_data *data = netdev_priv(dev);
+ struct tsi108_prv_data *data = container_of(napi, struct tsi108_prv_data, napi);
+ struct net_device *dev = data->dev;
u32 estat = TSI_READ(TSI108_EC_RXESTAT);
u32 intstat = TSI_READ(TSI108_EC_INTSTAT);
- int total_budget = min(*budget, dev->quota);
- int num_received = 0, num_filled = 0, budget_used;
+ int num_received = 0, num_filled = 0;
intstat &= TSI108_INT_RXQUEUE0 | TSI108_INT_RXTHRESH |
TSI108_INT_RXOVERRUN | TSI108_INT_RXERROR | TSI108_INT_RXWAIT;
TSI_WRITE(TSI108_EC_INTSTAT, intstat);
if (data->rxpending || (estat & TSI108_EC_RXESTAT_Q0_DESCINT))
- num_received = tsi108_complete_rx(dev, total_budget);
+ num_received = tsi108_complete_rx(dev, budget);
/* This should normally fill no more slots than the number of
* packets received in tsi108_complete_rx(). The exception
*/
if (data->rxfree < TSI108_RXRING_LEN)
- num_filled = tsi108_refill_rx(dev, total_budget * 2);
+ num_filled = tsi108_refill_rx(dev, budget * 2);
if (intstat & TSI108_INT_RXERROR) {
u32 err = TSI_READ(TSI108_EC_RXERR);
spin_unlock_irq(&data->misclock);
}
- budget_used = max(num_received, num_filled / 2);
-
- *budget -= budget_used;
- dev->quota -= budget_used;
-
- if (budget_used != total_budget) {
+ if (num_received < budget) {
data->rxpending = 0;
- netif_rx_complete(dev);
+ napi_complete(napi);
TSI_WRITE(TSI108_EC_INTMASK,
TSI_READ(TSI108_EC_INTMASK)
TSI108_INT_RXOVERRUN |
TSI108_INT_RXERROR |
TSI108_INT_RXWAIT));
-
- /* IRQs are level-triggered, so no need to re-check */
- return 0;
} else {
data->rxpending = 1;
}
- return 1;
+ return num_received;
}
static void tsi108_rx_int(struct net_device *dev)
*
* This can happen if this code races with tsi108_poll(), which masks
* the interrupts after tsi108_irq_one() read the mask, but before
- * netif_rx_schedule is called. It could also happen due to calls
+ * napi_schedule is called. It could also happen due to calls
* from tsi108_check_rxring().
*/
- if (netif_rx_schedule_prep(dev)) {
+ if (napi_schedule_prep(&data->napi)) {
/* Mask, rather than ack, the receive interrupts. The ack
* will happen in tsi108_poll().
*/
| TSI108_INT_RXTHRESH |
TSI108_INT_RXOVERRUN | TSI108_INT_RXERROR |
TSI108_INT_RXWAIT);
- __netif_rx_schedule(dev);
+ __napi_schedule(&data->napi);
} else {
if (!netif_running(dev)) {
/* This can happen if an interrupt occurs while the
return;
udelay(10);
}
- printk(KERN_ERR "%s function time out \n", __FUNCTION__);
+ printk(KERN_ERR "%s function time out\n", __func__);
}
static void tsi108_reset_ether(struct tsi108_prv_data * data)
}
if (!is_valid_ether_addr(dev->dev_addr)) {
- printk("KERN_ERR: word1: %08x, word2: %08x\n", word1, word2);
+ printk(KERN_ERR
+ "%s: Invalid MAC address. word1: %08x, word2: %08x\n",
+ dev->name, word1, word2);
return -EINVAL;
}
rxcfg &= ~(TSI108_EC_RXCFG_UFE | TSI108_EC_RXCFG_MFE);
- if (dev->flags & IFF_ALLMULTI || dev->mc_count) {
+ if (dev->flags & IFF_ALLMULTI || !netdev_mc_empty(dev)) {
int i;
- struct dev_mc_list *mc = dev->mc_list;
+ struct netdev_hw_addr *ha;
rxcfg |= TSI108_EC_RXCFG_MFE | TSI108_EC_RXCFG_MC_HASH;
memset(data->mc_hash, 0, sizeof(data->mc_hash));
- while (mc) {
+ netdev_for_each_mc_addr(ha, dev) {
u32 hash, crc;
- if (mc->dmi_addrlen == 6) {
- crc = ether_crc(6, mc->dmi_addr);
- hash = crc >> 23;
-
- __set_bit(hash, &data->mc_hash[0]);
- } else {
- printk(KERN_ERR
- "%s: got multicast address of length %d "
- "instead of 6.\n", dev->name,
- mc->dmi_addrlen);
- }
-
- mc = mc->next;
+ crc = ether_crc(6, ha->addr);
+ hash = crc >> 23;
+ __set_bit(hash, &data->mc_hash[0]);
}
TSI_WRITE(TSI108_EC_HASHADDR,
spin_lock_irqsave(&phy_lock, flags);
tsi108_write_mii(data, MII_BMCR, BMCR_RESET);
- while (i--){
+ while (--i) {
if(!(tsi108_read_mii(data, MII_BMCR) & BMCR_RESET))
break;
udelay(10);
}
if (i == 0)
- printk(KERN_ERR "%s function time out \n", __FUNCTION__);
+ printk(KERN_ERR "%s function time out\n", __func__);
-#if (TSI108_PHY_TYPE == PHY_BCM54XX) /* Broadcom BCM54xx PHY */
- tsi108_write_mii(data, 0x09, 0x0300);
- tsi108_write_mii(data, 0x10, 0x1020);
- tsi108_write_mii(data, 0x1c, 0x8c00);
-#endif
+ if (data->phy_type == TSI108_PHY_BCM54XX) {
+ tsi108_write_mii(data, 0x09, 0x0300);
+ tsi108_write_mii(data, 0x10, 0x1020);
+ tsi108_write_mii(data, 0x1c, 0x8c00);
+ }
tsi108_write_mii(data,
MII_BMCR,
* PHY_STAT register before the link up status bit is set.
*/
- data->link_up = 1;
+ data->link_up = 0;
while (!((phyval = tsi108_read_mii(data, MII_BMSR)) &
BMSR_LSTATUS)) {
if (i++ > (MII_READ_DELAY / 10)) {
- data->link_up = 0;
break;
}
spin_unlock_irqrestore(&phy_lock, flags);
spin_lock_irqsave(&phy_lock, flags);
}
+ data->mii_if.supports_gmii = mii_check_gmii_support(&data->mii_if);
printk(KERN_DEBUG "PHY_STAT reg contains %08x\n", phyval);
data->phy_ok = 1;
data->init_media = 1;
data->rxhead = 0;
for (i = 0; i < TSI108_RXRING_LEN; i++) {
- struct sk_buff *skb = dev_alloc_skb(TSI108_RXBUF_SIZE + NET_IP_ALIGN);
+ struct sk_buff *skb;
+ skb = netdev_alloc_skb_ip_align(dev, TSI108_RXBUF_SIZE);
if (!skb) {
/* Bah. No memory for now, but maybe we'll get
* some more later.
}
data->rxskbs[i] = skb;
- /* Align the payload on a 4-byte boundary */
- skb_reserve(skb, 2);
data->rxskbs[i] = skb;
data->rxring[i].buf0 = virt_to_phys(data->rxskbs[i]->data);
data->rxring[i].misc = TSI108_RX_OWN | TSI108_RX_INT;
TSI_WRITE(TSI108_EC_TXQ_PTRLOW, data->txdma);
tsi108_init_phy(dev);
+ napi_enable(&data->napi);
+
setup_timer(&data->timer, tsi108_timed_checker, (unsigned long)dev);
mod_timer(&data->timer, jiffies + 1);
struct tsi108_prv_data *data = netdev_priv(dev);
netif_stop_queue(dev);
+ napi_disable(&data->napi);
del_timer_sync(&data->timer);
dev_kfree_skb(skb);
}
- synchronize_irq(data->irq_num);
free_irq(data->irq_num, dev);
/* Discard the RX ring. */
TSI_WRITE(TSI108_EC_INTMASK, ~0);
}
+static int tsi108_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ unsigned long flags;
+ int rc;
+
+ spin_lock_irqsave(&data->txlock, flags);
+ rc = mii_ethtool_gset(&data->mii_if, cmd);
+ spin_unlock_irqrestore(&data->txlock, flags);
+
+ return rc;
+}
+
+static int tsi108_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+ struct tsi108_prv_data *data = netdev_priv(dev);
+ unsigned long flags;
+ int rc;
+
+ spin_lock_irqsave(&data->txlock, flags);
+ rc = mii_ethtool_sset(&data->mii_if, cmd);
+ spin_unlock_irqrestore(&data->txlock, flags);
+
+ return rc;
+}
+
static int tsi108_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
struct tsi108_prv_data *data = netdev_priv(dev);
+ if (!netif_running(dev))
+ return -EINVAL;
return generic_mii_ioctl(&data->mii_if, if_mii(rq), cmd, NULL);
}
+static const struct ethtool_ops tsi108_ethtool_ops = {
+ .get_link = ethtool_op_get_link,
+ .get_settings = tsi108_get_settings,
+ .set_settings = tsi108_set_settings,
+};
+
+static const struct net_device_ops tsi108_netdev_ops = {
+ .ndo_open = tsi108_open,
+ .ndo_stop = tsi108_close,
+ .ndo_start_xmit = tsi108_send_packet,
+ .ndo_set_multicast_list = tsi108_set_rx_mode,
+ .ndo_get_stats = tsi108_get_stats,
+ .ndo_do_ioctl = tsi108_do_ioctl,
+ .ndo_set_mac_address = tsi108_set_mac,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_change_mtu = eth_change_mtu,
+};
+
static int
tsi108_init_one(struct platform_device *pdev)
{
printk("tsi108_eth%d: probe...\n", pdev->id);
data = netdev_priv(dev);
+ data->dev = dev;
pr_debug("tsi108_eth%d:regs:phyresgs:phy:irq_num=0x%x:0x%x:0x%x:0x%x\n",
pdev->id, einfo->regs, einfo->phyregs,
data->mii_if.phy_id = einfo->phy;
data->mii_if.phy_id_mask = 0x1f;
data->mii_if.reg_num_mask = 0x1f;
- data->mii_if.supports_gmii = mii_check_gmii_support(&data->mii_if);
data->phy = einfo->phy;
+ data->phy_type = einfo->phy_type;
data->irq_num = einfo->irq_num;
data->id = pdev->id;
- dev->open = tsi108_open;
- dev->stop = tsi108_close;
- dev->hard_start_xmit = tsi108_send_packet;
- dev->set_mac_address = tsi108_set_mac;
- dev->set_multicast_list = tsi108_set_rx_mode;
- dev->get_stats = tsi108_get_stats;
- dev->poll = tsi108_poll;
- dev->do_ioctl = tsi108_do_ioctl;
- dev->weight = 64; /* 64 is more suitable for GigE interface - klai */
+ netif_napi_add(dev, &data->napi, tsi108_poll, 64);
+ dev->netdev_ops = &tsi108_netdev_ops;
+ dev->ethtool_ops = &tsi108_ethtool_ops;
/* Apparently, the Linux networking code won't use scatter-gather
* if the hardware doesn't do checksums. However, it's faster
*/
dev->features = NETIF_F_HIGHDMA;
- SET_MODULE_OWNER(dev);
spin_lock_init(&data->txlock);
spin_lock_init(&data->misclock);
goto register_fail;
}
- printk(KERN_INFO "%s: Tsi108 Gigabit Ethernet, MAC: "
- "%02x:%02x:%02x:%02x:%02x:%02x\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]);
+ platform_set_drvdata(pdev, dev);
+ printk(KERN_INFO "%s: Tsi108 Gigabit Ethernet, MAC: %pM\n",
+ dev->name, dev->dev_addr);
#ifdef DEBUG
data->msg_enable = DEBUG;
dump_eth_one(dev);
MODULE_AUTHOR("Tundra Semiconductor Corporation");
MODULE_DESCRIPTION("Tsi108 Gigabit Ethernet driver");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:tsi-ethernet");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff