#include <linux/tcp.h>
#include <net/checksum.h>
+#include <asm/irq.h>
+
#include "pasemi_mac.h"
#define RX_RING_SIZE 512
#define TX_RING_SIZE 512
+#define DEFAULT_MSG_ENABLE \
+ (NETIF_MSG_DRV | \
+ NETIF_MSG_PROBE | \
+ NETIF_MSG_LINK | \
+ NETIF_MSG_TIMER | \
+ NETIF_MSG_IFDOWN | \
+ NETIF_MSG_IFUP | \
+ NETIF_MSG_RX_ERR | \
+ NETIF_MSG_TX_ERR)
+
#define TX_DESC(mac, num) ((mac)->tx->desc[(num) & (TX_RING_SIZE-1)])
#define TX_DESC_INFO(mac, num) ((mac)->tx->desc_info[(num) & (TX_RING_SIZE-1)])
#define RX_DESC(mac, num) ((mac)->rx->desc[(num) & (RX_RING_SIZE-1)])
#define BUF_SIZE 1646 /* 1500 MTU + ETH_HLEN + VLAN_HLEN + 2 64B cachelines */
-/* XXXOJN these should come out of the device tree some day */
-#define PAS_DMA_CAP_BASE 0xe00d0040
-#define PAS_DMA_CAP_SIZE 0x100
-#define PAS_DMA_COM_BASE 0xe00d0100
-#define PAS_DMA_COM_SIZE 0x100
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR ("Olof Johansson <olof@lixom.net>");
+MODULE_DESCRIPTION("PA Semi PWRficient Ethernet driver");
+
+static int debug = -1; /* -1 == use DEFAULT_MSG_ENABLE as value */
+module_param(debug, int, 0);
+MODULE_PARM_DESC(debug, "PA Semi MAC bitmapped debugging message enable value");
static struct pasdma_status *dma_status;
{
struct pci_dev *pdev = mac->pdev;
struct device_node *dn = pci_device_to_OF_node(pdev);
+ int len;
const u8 *maddr;
u8 addr[6];
return -ENOENT;
}
- maddr = get_property(dn, "mac-address", NULL);
+ maddr = of_get_property(dn, "local-mac-address", &len);
+
+ if (maddr && len == 6) {
+ memcpy(mac->mac_addr, maddr, 6);
+ return 0;
+ }
+
+ /* Some old versions of firmware mistakenly uses mac-address
+ * (and as a string) instead of a byte array in local-mac-address.
+ */
+
+ if (maddr == NULL)
+ maddr = of_get_property(dn, "mac-address", NULL);
+
if (maddr == NULL) {
dev_warn(&pdev->dev,
"no mac address in device tree, not configuring\n");
return -ENOENT;
}
+
if (sscanf(maddr, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &addr[0],
&addr[1], &addr[2], &addr[3], &addr[4], &addr[5]) != 6) {
dev_warn(&pdev->dev,
return -EINVAL;
}
- memcpy(mac->mac_addr, addr, sizeof(addr));
+ memcpy(mac->mac_addr, addr, 6);
+
return 0;
}
for (i = 0; i < RX_RING_SIZE; i++) {
info = &RX_DESC_INFO(mac, i);
dp = &RX_DESC(mac, i);
- if (info->dma) {
- if (info->skb) {
+ if (info->skb) {
+ if (info->dma) {
pci_unmap_single(mac->dma_pdev,
info->dma,
info->skb->len,
struct pasemi_mac *mac = netdev_priv(dev);
unsigned int i;
int start = mac->rx->next_to_fill;
- unsigned int count;
+ unsigned int limit, count;
- count = (mac->rx->next_to_clean + RX_RING_SIZE -
+ limit = (mac->rx->next_to_clean + RX_RING_SIZE -
mac->rx->next_to_fill) & (RX_RING_SIZE - 1);
/* Check to see if we're doing first-time setup */
if (unlikely(mac->rx->next_to_clean == 0 && mac->rx->next_to_fill == 0))
- count = RX_RING_SIZE;
+ limit = RX_RING_SIZE;
- if (count <= 0)
+ if (limit <= 0)
return;
- for (i = start; i < start + count; i++) {
+ i = start;
+ for (count = limit; count; count--) {
struct pasemi_mac_buffer *info = &RX_DESC_INFO(mac, i);
u64 *buff = &RX_BUFF(mac, i);
struct sk_buff *skb;
dma_addr_t dma;
- skb = dev_alloc_skb(BUF_SIZE);
+ /* skb might still be in there for recycle on short receives */
+ if (info->skb)
+ skb = info->skb;
+ else
+ skb = dev_alloc_skb(BUF_SIZE);
- if (!skb) {
- count = i - start;
+ if (unlikely(!skb))
break;
- }
-
- skb->dev = dev;
dma = pci_map_single(mac->dma_pdev, skb->data, skb->len,
PCI_DMA_FROMDEVICE);
- if (dma_mapping_error(dma)) {
+ if (unlikely(dma_mapping_error(dma))) {
dev_kfree_skb_irq(info->skb);
- count = i - start;
break;
}
info->skb = skb;
info->dma = dma;
*buff = XCT_RXB_LEN(BUF_SIZE) | XCT_RXB_ADDR(dma);
+ i++;
}
wmb();
pci_write_config_dword(mac->dma_pdev,
PAS_DMA_RXCHAN_INCR(mac->dma_rxch),
- count);
+ limit - count);
pci_write_config_dword(mac->dma_pdev,
PAS_DMA_RXINT_INCR(mac->dma_if),
- count);
+ limit - count);
+
+ mac->rx->next_to_fill += limit - count;
+}
+
+static void pasemi_mac_restart_rx_intr(struct pasemi_mac *mac)
+{
+ unsigned int reg, pcnt;
+ /* Re-enable packet count interrupts: finally
+ * ack the packet count interrupt we got in rx_intr.
+ */
+
+ pcnt = *mac->rx_status & PAS_STATUS_PCNT_M;
+
+ reg = PAS_IOB_DMA_RXCH_RESET_PCNT(pcnt) | PAS_IOB_DMA_RXCH_RESET_PINTC;
+
+ pci_write_config_dword(mac->iob_pdev,
+ PAS_IOB_DMA_RXCH_RESET(mac->dma_rxch),
+ reg);
+}
+
+static void pasemi_mac_restart_tx_intr(struct pasemi_mac *mac)
+{
+ unsigned int reg, pcnt;
+
+ /* Re-enable packet count interrupts */
+ pcnt = *mac->tx_status & PAS_STATUS_PCNT_M;
+
+ reg = PAS_IOB_DMA_TXCH_RESET_PCNT(pcnt) | PAS_IOB_DMA_TXCH_RESET_PINTC;
- mac->rx->next_to_fill += count;
+ pci_write_config_dword(mac->iob_pdev,
+ PAS_IOB_DMA_TXCH_RESET(mac->dma_txch), reg);
}
+
static int pasemi_mac_clean_rx(struct pasemi_mac *mac, int limit)
{
- unsigned int i;
- int start, count;
+ unsigned int n;
+ int count;
+ struct pas_dma_xct_descr *dp;
+ struct pasemi_mac_buffer *info;
+ struct sk_buff *skb;
+ unsigned int i, len;
+ u64 macrx;
+ dma_addr_t dma;
spin_lock(&mac->rx->lock);
- start = mac->rx->next_to_clean;
- count = 0;
+ n = mac->rx->next_to_clean;
- for (i = start; i < (start + RX_RING_SIZE) && count < limit; i++) {
- struct pas_dma_xct_descr *dp;
- struct pasemi_mac_buffer *info;
- struct sk_buff *skb;
- unsigned int j, len;
- dma_addr_t dma;
+ for (count = limit; count; count--) {
rmb();
- dp = &RX_DESC(mac, i);
+ dp = &RX_DESC(mac, n);
+ macrx = dp->macrx;
- if (!(dp->macrx & XCT_MACRX_O))
+ if (!(macrx & XCT_MACRX_O))
break;
- count++;
info = NULL;
*/
dma = (dp->ptr & XCT_PTR_ADDR_M);
- for (j = start; j < (start + RX_RING_SIZE); j++) {
- info = &RX_DESC_INFO(mac, j);
+ for (i = n; i < (n + RX_RING_SIZE); i++) {
+ info = &RX_DESC_INFO(mac, i);
if (info->dma == dma)
break;
}
- BUG_ON(!info);
- BUG_ON(info->dma != dma);
+ skb = info->skb;
+ info->dma = 0;
- pci_unmap_single(mac->dma_pdev, info->dma, info->skb->len,
+ pci_unmap_single(mac->dma_pdev, dma, skb->len,
PCI_DMA_FROMDEVICE);
- skb = info->skb;
-
- len = (dp->macrx & XCT_MACRX_LLEN_M) >> XCT_MACRX_LLEN_S;
+ len = (macrx & XCT_MACRX_LLEN_M) >> XCT_MACRX_LLEN_S;
+
+ if (len < 256) {
+ struct sk_buff *new_skb =
+ netdev_alloc_skb(mac->netdev, len + NET_IP_ALIGN);
+ if (new_skb) {
+ skb_reserve(new_skb, NET_IP_ALIGN);
+ memcpy(new_skb->data - NET_IP_ALIGN,
+ skb->data - NET_IP_ALIGN,
+ len + NET_IP_ALIGN);
+ /* save the skb in buffer_info as good */
+ skb = new_skb;
+ }
+ /* else just continue with the old one */
+ } else
+ info->skb = NULL;
skb_put(skb, len);
skb->protocol = eth_type_trans(skb, mac->netdev);
- if ((dp->macrx & XCT_MACRX_HTY_M) == XCT_MACRX_HTY_IPV4_OK) {
+ if ((macrx & XCT_MACRX_HTY_M) == XCT_MACRX_HTY_IPV4_OK) {
skb->ip_summed = CHECKSUM_COMPLETE;
- skb->csum = (dp->macrx & XCT_MACRX_CSUM_M) >>
+ skb->csum = (macrx & XCT_MACRX_CSUM_M) >>
XCT_MACRX_CSUM_S;
} else
skb->ip_summed = CHECKSUM_NONE;
netif_receive_skb(skb);
- info->dma = 0;
- info->skb = NULL;
dp->ptr = 0;
dp->macrx = 0;
+
+ n++;
}
- mac->rx->next_to_clean += count;
+ mac->rx->next_to_clean += limit - count;
pasemi_mac_replenish_rx_ring(mac->netdev);
spin_unlock(&mac->rx->lock);
mac->tx->next_to_clean += count;
spin_unlock_irqrestore(&mac->tx->lock, flags);
+ netif_wake_queue(mac->netdev);
+
return count;
}
struct pasemi_mac *mac = netdev_priv(dev);
unsigned int reg;
- if (!(*mac->rx_status & PAS_STATUS_INT))
+ if (!(*mac->rx_status & PAS_STATUS_CAUSE_M))
return IRQ_NONE;
- netif_rx_schedule(dev);
- pci_write_config_dword(mac->iob_pdev, PAS_IOB_DMA_COM_TIMEOUTCFG,
- PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT(0));
+ if (*mac->rx_status & PAS_STATUS_ERROR)
+ printk("rx_status reported error\n");
+
+ /* Don't reset packet count so it won't fire again but clear
+ * all others.
+ */
- reg = PAS_IOB_DMA_RXCH_RESET_PINTC | PAS_IOB_DMA_RXCH_RESET_SINTC |
- PAS_IOB_DMA_RXCH_RESET_DINTC;
+ pci_read_config_dword(mac->dma_pdev, PAS_DMA_RXINT_RCMDSTA(mac->dma_if), ®);
+
+ reg = 0;
+ if (*mac->rx_status & PAS_STATUS_SOFT)
+ reg |= PAS_IOB_DMA_RXCH_RESET_SINTC;
+ if (*mac->rx_status & PAS_STATUS_ERROR)
+ reg |= PAS_IOB_DMA_RXCH_RESET_DINTC;
if (*mac->rx_status & PAS_STATUS_TIMER)
reg |= PAS_IOB_DMA_RXCH_RESET_TINTC;
+ netif_rx_schedule(dev);
+
pci_write_config_dword(mac->iob_pdev,
PAS_IOB_DMA_RXCH_RESET(mac->dma_rxch), reg);
{
struct net_device *dev = data;
struct pasemi_mac *mac = netdev_priv(dev);
- unsigned int reg;
- int was_full;
+ unsigned int reg, pcnt;
- was_full = mac->tx->next_to_clean - mac->tx->next_to_use == TX_RING_SIZE;
-
- if (!(*mac->tx_status & PAS_STATUS_INT))
+ if (!(*mac->tx_status & PAS_STATUS_CAUSE_M))
return IRQ_NONE;
pasemi_mac_clean_tx(mac);
- reg = PAS_IOB_DMA_TXCH_RESET_PINTC | PAS_IOB_DMA_TXCH_RESET_SINTC;
- if (*mac->tx_status & PAS_STATUS_TIMER)
- reg |= PAS_IOB_DMA_TXCH_RESET_TINTC;
+ pcnt = *mac->tx_status & PAS_STATUS_PCNT_M;
- pci_write_config_dword(mac->iob_pdev, PAS_IOB_DMA_TXCH_RESET(mac->dma_txch),
- reg);
+ reg = PAS_IOB_DMA_TXCH_RESET_PCNT(pcnt) | PAS_IOB_DMA_TXCH_RESET_PINTC;
- if (was_full)
- netif_wake_queue(dev);
+ if (*mac->tx_status & PAS_STATUS_SOFT)
+ reg |= PAS_IOB_DMA_TXCH_RESET_SINTC;
+ if (*mac->tx_status & PAS_STATUS_ERROR)
+ reg |= PAS_IOB_DMA_TXCH_RESET_DINTC;
+
+ pci_write_config_dword(mac->iob_pdev,
+ PAS_IOB_DMA_TXCH_RESET(mac->dma_txch),
+ reg);
return IRQ_HANDLED;
}
+static void pasemi_adjust_link(struct net_device *dev)
+{
+ struct pasemi_mac *mac = netdev_priv(dev);
+ int msg;
+ unsigned int flags;
+ unsigned int new_flags;
+
+ if (!mac->phydev->link) {
+ /* If no link, MAC speed settings don't matter. Just report
+ * link down and return.
+ */
+ if (mac->link && netif_msg_link(mac))
+ printk(KERN_INFO "%s: Link is down.\n", dev->name);
+
+ netif_carrier_off(dev);
+ mac->link = 0;
+
+ return;
+ } else
+ netif_carrier_on(dev);
+
+ pci_read_config_dword(mac->pdev, PAS_MAC_CFG_PCFG, &flags);
+ new_flags = flags & ~(PAS_MAC_CFG_PCFG_HD | PAS_MAC_CFG_PCFG_SPD_M |
+ PAS_MAC_CFG_PCFG_TSR_M);
+
+ if (!mac->phydev->duplex)
+ new_flags |= PAS_MAC_CFG_PCFG_HD;
+
+ switch (mac->phydev->speed) {
+ case 1000:
+ new_flags |= PAS_MAC_CFG_PCFG_SPD_1G |
+ PAS_MAC_CFG_PCFG_TSR_1G;
+ break;
+ case 100:
+ new_flags |= PAS_MAC_CFG_PCFG_SPD_100M |
+ PAS_MAC_CFG_PCFG_TSR_100M;
+ break;
+ case 10:
+ new_flags |= PAS_MAC_CFG_PCFG_SPD_10M |
+ PAS_MAC_CFG_PCFG_TSR_10M;
+ break;
+ default:
+ printk("Unsupported speed %d\n", mac->phydev->speed);
+ }
+
+ /* Print on link or speed/duplex change */
+ msg = mac->link != mac->phydev->link || flags != new_flags;
+
+ mac->duplex = mac->phydev->duplex;
+ mac->speed = mac->phydev->speed;
+ mac->link = mac->phydev->link;
+
+ if (new_flags != flags)
+ pci_write_config_dword(mac->pdev, PAS_MAC_CFG_PCFG, new_flags);
+
+ if (msg && netif_msg_link(mac))
+ printk(KERN_INFO "%s: Link is up at %d Mbps, %s duplex.\n",
+ dev->name, mac->speed, mac->duplex ? "full" : "half");
+}
+
+static int pasemi_mac_phy_init(struct net_device *dev)
+{
+ struct pasemi_mac *mac = netdev_priv(dev);
+ struct device_node *dn, *phy_dn;
+ struct phy_device *phydev;
+ unsigned int phy_id;
+ const phandle *ph;
+ const unsigned int *prop;
+ struct resource r;
+ int ret;
+
+ dn = pci_device_to_OF_node(mac->pdev);
+ ph = of_get_property(dn, "phy-handle", NULL);
+ if (!ph)
+ return -ENODEV;
+ phy_dn = of_find_node_by_phandle(*ph);
+
+ prop = of_get_property(phy_dn, "reg", NULL);
+ ret = of_address_to_resource(phy_dn->parent, 0, &r);
+ if (ret)
+ goto err;
+
+ phy_id = *prop;
+ snprintf(mac->phy_id, BUS_ID_SIZE, PHY_ID_FMT, (int)r.start, phy_id);
+
+ of_node_put(phy_dn);
+
+ mac->link = 0;
+ mac->speed = 0;
+ mac->duplex = -1;
+
+ phydev = phy_connect(dev, mac->phy_id, &pasemi_adjust_link, 0, PHY_INTERFACE_MODE_SGMII);
+
+ if (IS_ERR(phydev)) {
+ printk(KERN_ERR "%s: Could not attach to phy\n", dev->name);
+ return PTR_ERR(phydev);
+ }
+
+ mac->phydev = phydev;
+
+ return 0;
+
+err:
+ of_node_put(phy_dn);
+ return -ENODEV;
+}
+
+
static int pasemi_mac_open(struct net_device *dev)
{
struct pasemi_mac *mac = netdev_priv(dev);
+ int base_irq;
unsigned int flags;
int ret;
flags |= PAS_MAC_CFG_PCFG_TSR_1G | PAS_MAC_CFG_PCFG_SPD_1G;
pci_write_config_dword(mac->iob_pdev, PAS_IOB_DMA_RXCH_CFG(mac->dma_rxch),
- PAS_IOB_DMA_RXCH_CFG_CNTTH(30));
+ PAS_IOB_DMA_RXCH_CFG_CNTTH(1));
+
+ pci_write_config_dword(mac->iob_pdev, PAS_IOB_DMA_TXCH_CFG(mac->dma_txch),
+ PAS_IOB_DMA_TXCH_CFG_CNTTH(32));
+ /* Clear out any residual packet count state from firmware */
+ pasemi_mac_restart_rx_intr(mac);
+ pasemi_mac_restart_tx_intr(mac);
+
+ /* 0xffffff is max value, about 16ms */
pci_write_config_dword(mac->iob_pdev, PAS_IOB_DMA_COM_TIMEOUTCFG,
- PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT(1000000));
+ PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT(0xffffff));
pci_write_config_dword(mac->pdev, PAS_MAC_CFG_PCFG, flags);
pasemi_mac_replenish_rx_ring(dev);
+ ret = pasemi_mac_phy_init(dev);
+ /* Some configs don't have PHYs (XAUI etc), so don't complain about
+ * failed init due to -ENODEV.
+ */
+ if (ret && ret != -ENODEV)
+ dev_warn(&mac->pdev->dev, "phy init failed: %d\n", ret);
+
netif_start_queue(dev);
netif_poll_enable(dev);
- ret = request_irq(mac->dma_pdev->irq + mac->dma_txch,
- &pasemi_mac_tx_intr, IRQF_DISABLED,
+ /* Interrupts are a bit different for our DMA controller: While
+ * it's got one a regular PCI device header, the interrupt there
+ * is really the base of the range it's using. Each tx and rx
+ * channel has it's own interrupt source.
+ */
+
+ base_irq = virq_to_hw(mac->dma_pdev->irq);
+
+ mac->tx_irq = irq_create_mapping(NULL, base_irq + mac->dma_txch);
+ mac->rx_irq = irq_create_mapping(NULL, base_irq + 20 + mac->dma_txch);
+
+ ret = request_irq(mac->tx_irq, &pasemi_mac_tx_intr, IRQF_DISABLED,
mac->tx->irq_name, dev);
if (ret) {
dev_err(&mac->pdev->dev, "request_irq of irq %d failed: %d\n",
- mac->dma_pdev->irq + mac->dma_txch, ret);
+ base_irq + mac->dma_txch, ret);
goto out_tx_int;
}
- ret = request_irq(mac->dma_pdev->irq + 20 + mac->dma_rxch,
- &pasemi_mac_rx_intr, IRQF_DISABLED,
+ ret = request_irq(mac->rx_irq, &pasemi_mac_rx_intr, IRQF_DISABLED,
mac->rx->irq_name, dev);
if (ret) {
dev_err(&mac->pdev->dev, "request_irq of irq %d failed: %d\n",
- mac->dma_pdev->irq + 20 + mac->dma_rxch, ret);
+ base_irq + 20 + mac->dma_rxch, ret);
goto out_rx_int;
}
+ if (mac->phydev)
+ phy_start(mac->phydev);
+
return 0;
out_rx_int:
- free_irq(mac->dma_pdev->irq + mac->dma_txch, dev);
+ free_irq(mac->tx_irq, dev);
out_tx_int:
netif_poll_disable(dev);
netif_stop_queue(dev);
unsigned int stat;
int retries;
+ if (mac->phydev) {
+ phy_stop(mac->phydev);
+ phy_disconnect(mac->phydev);
+ }
+
netif_stop_queue(dev);
/* Clean out any pending buffers */
pci_read_config_dword(mac->dma_pdev,
PAS_DMA_TXCHAN_TCMDSTA(mac->dma_txch),
&stat);
- if (stat & PAS_DMA_TXCHAN_TCMDSTA_ACT)
+ if (!(stat & PAS_DMA_TXCHAN_TCMDSTA_ACT))
break;
cond_resched();
}
- if (!(stat & PAS_DMA_TXCHAN_TCMDSTA_ACT)) {
+ if (stat & PAS_DMA_TXCHAN_TCMDSTA_ACT)
dev_err(&mac->dma_pdev->dev, "Failed to stop tx channel\n");
- }
for (retries = 0; retries < MAX_RETRIES; retries++) {
pci_read_config_dword(mac->dma_pdev,
PAS_DMA_RXCHAN_CCMDSTA(mac->dma_rxch),
&stat);
- if (stat & PAS_DMA_RXCHAN_CCMDSTA_ACT)
+ if (!(stat & PAS_DMA_RXCHAN_CCMDSTA_ACT))
break;
cond_resched();
}
- if (!(stat & PAS_DMA_RXCHAN_CCMDSTA_ACT)) {
+ if (stat & PAS_DMA_RXCHAN_CCMDSTA_ACT)
dev_err(&mac->dma_pdev->dev, "Failed to stop rx channel\n");
- }
for (retries = 0; retries < MAX_RETRIES; retries++) {
pci_read_config_dword(mac->dma_pdev,
PAS_DMA_RXINT_RCMDSTA(mac->dma_if),
&stat);
- if (stat & PAS_DMA_RXINT_RCMDSTA_ACT)
+ if (!(stat & PAS_DMA_RXINT_RCMDSTA_ACT))
break;
cond_resched();
}
- if (!(stat & PAS_DMA_RXINT_RCMDSTA_ACT)) {
+ if (stat & PAS_DMA_RXINT_RCMDSTA_ACT)
dev_err(&mac->dma_pdev->dev, "Failed to stop rx interface\n");
- }
/* Then, disable the channel. This must be done separately from
* stopping, since you can't disable when active.
pci_write_config_dword(mac->dma_pdev,
PAS_DMA_RXINT_RCMDSTA(mac->dma_if), 0);
- free_irq(mac->dma_pdev->irq + mac->dma_txch, dev);
- free_irq(mac->dma_pdev->irq + 20 + mac->dma_rxch, dev);
+ free_irq(mac->tx_irq, dev);
+ free_irq(mac->rx_irq, dev);
/* Free resources */
pasemi_mac_free_rx_resources(dev);
dflags = XCT_MACTX_O | XCT_MACTX_ST | XCT_MACTX_SS | XCT_MACTX_CRC_PAD;
if (skb->ip_summed == CHECKSUM_PARTIAL) {
- switch (skb->nh.iph->protocol) {
+ const unsigned char *nh = skb_network_header(skb);
+
+ switch (ip_hdr(skb)->protocol) {
case IPPROTO_TCP:
dflags |= XCT_MACTX_CSUM_TCP;
- dflags |= XCT_MACTX_IPH((skb->h.raw - skb->nh.raw) >> 2);
- dflags |= XCT_MACTX_IPO(skb->nh.raw - skb->data);
+ dflags |= XCT_MACTX_IPH(skb_network_header_len(skb) >> 2);
+ dflags |= XCT_MACTX_IPO(nh - skb->data);
break;
case IPPROTO_UDP:
dflags |= XCT_MACTX_CSUM_UDP;
- dflags |= XCT_MACTX_IPH((skb->h.raw - skb->nh.raw) >> 2);
- dflags |= XCT_MACTX_IPO(skb->nh.raw - skb->data);
+ dflags |= XCT_MACTX_IPH(skb_network_header_len(skb) >> 2);
+ dflags |= XCT_MACTX_IPO(nh - skb->data);
break;
}
}
if (txring->next_to_clean - txring->next_to_use == TX_RING_SIZE) {
spin_unlock_irqrestore(&txring->lock, flags);
pasemi_mac_clean_tx(mac);
+ pasemi_mac_restart_tx_intr(mac);
spin_lock_irqsave(&txring->lock, flags);
if (txring->next_to_clean - txring->next_to_use ==
return &mac->stats;
}
+
static void pasemi_mac_set_rx_mode(struct net_device *dev)
{
struct pasemi_mac *mac = netdev_priv(dev);
pkts = pasemi_mac_clean_rx(mac, limit);
+ dev->quota -= pkts;
+ *budget -= pkts;
+
if (pkts < limit) {
/* all done, no more packets present */
netif_rx_complete(dev);
- /* re-enable receive interrupts */
- pci_write_config_dword(mac->iob_pdev, PAS_IOB_DMA_COM_TIMEOUTCFG,
- PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT(1000000));
+ pasemi_mac_restart_rx_intr(mac);
return 0;
} else {
/* used up our quantum, so reschedule */
- dev->quota -= pkts;
- *budget -= pkts;
return 1;
}
}
mac->rx_status = &dma_status->rx_sta[mac->dma_rxch];
mac->tx_status = &dma_status->tx_sta[mac->dma_txch];
+ mac->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
+
+ /* Enable most messages by default */
+ mac->msg_enable = (NETIF_MSG_IFUP << 1 ) - 1;
+
err = register_netdev(dev);
if (err) {
static struct pci_device_id pasemi_mac_pci_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_PASEMI, 0xa005) },
{ PCI_DEVICE(PCI_VENDOR_ID_PASEMI, 0xa006) },
+ { },
};
MODULE_DEVICE_TABLE(pci, pasemi_mac_pci_tbl);
return pci_register_driver(&pasemi_mac_driver);
}
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR ("Olof Johansson <olof@lixom.net>");
-MODULE_DESCRIPTION("PA Semi PWRficient Ethernet driver");
-
module_init(pasemi_mac_init_module);
module_exit(pasemi_mac_cleanup_module);
projects / linux-flexiantxendom0-3.2.10.git / blobdiff