*/
#define DRV_NAME "starfire"
-#define DRV_VERSION "2.0"
-#define DRV_RELDATE "June 27, 2006"
+#define DRV_VERSION "2.1"
+#define DRV_RELDATE "July 6, 2008"
#include <linux/module.h>
#include <linux/kernel.h>
#define VLAN_SUPPORT
#endif
-#ifndef CONFIG_ADAPTEC_STARFIRE_NAPI
-#undef HAVE_NETDEV_POLL
-#endif
-
/* The user-configurable values.
These may be modified when a driver module is loaded.*/
#define skb_first_frag_len(skb) skb_headlen(skb)
#define skb_num_frags(skb) (skb_shinfo(skb)->nr_frags + 1)
-#ifdef HAVE_NETDEV_POLL
-#define init_poll(dev, np) \
- netif_napi_add(dev, &np->napi, netdev_poll, max_interrupt_work)
-#define netdev_rx(dev, np, ioaddr) \
-do { \
- u32 intr_enable; \
- if (netif_rx_schedule_prep(dev, &np->napi)) { \
- __netif_rx_schedule(dev, &np->napi); \
- intr_enable = readl(ioaddr + IntrEnable); \
- intr_enable &= ~(IntrRxDone | IntrRxEmpty); \
- writel(intr_enable, ioaddr + IntrEnable); \
- readl(ioaddr + IntrEnable); /* flush PCI posting buffers */ \
- } else { \
- /* Paranoia check */ \
- intr_enable = readl(ioaddr + IntrEnable); \
- if (intr_enable & (IntrRxDone | IntrRxEmpty)) { \
- printk(KERN_INFO "%s: interrupt while in polling mode!\n", dev->name); \
- intr_enable &= ~(IntrRxDone | IntrRxEmpty); \
- writel(intr_enable, ioaddr + IntrEnable); \
- } \
- } \
-} while (0)
-#define netdev_receive_skb(skb) netif_receive_skb(skb)
-#define vlan_netdev_receive_skb(skb, vlgrp, vlid) vlan_hwaccel_receive_skb(skb, vlgrp, vlid)
-static int netdev_poll(struct napi_struct *napi, int budget);
-#else /* not HAVE_NETDEV_POLL */
-#define init_poll(dev, np)
-#define netdev_receive_skb(skb) netif_rx(skb)
-#define vlan_netdev_receive_skb(skb, vlgrp, vlid) vlan_hwaccel_rx(skb, vlgrp, vlid)
-#define netdev_rx(dev, np, ioaddr) \
-do { \
- int quota = np->dirty_rx + RX_RING_SIZE - np->cur_rx; \
- __netdev_rx(dev, "a);\
-} while (0)
-#endif /* not HAVE_NETDEV_POLL */
-/* end of compatibility code */
-
-
/* These identify the driver base version and may not be removed. */
static char version[] =
KERN_INFO "starfire.c:v1.03 7/26/2000 Written by Donald Becker <becker@scyld.com>\n"
static irqreturn_t intr_handler(int irq, void *dev_instance);
static void netdev_error(struct net_device *dev, int intr_status);
static int __netdev_rx(struct net_device *dev, int *quota);
+static int netdev_poll(struct napi_struct *napi, int budget);
static void refill_rx_ring(struct net_device *dev);
static void netdev_error(struct net_device *dev, int intr_status);
static void set_rx_mode(struct net_device *dev);
void __iomem *base;
int drv_flags, io_size;
int boguscnt;
- DECLARE_MAC_BUF(mac);
/* when built into the kernel, we only print version if device is found */
#ifndef MODULE
dev->hard_start_xmit = &start_tx;
dev->tx_timeout = tx_timeout;
dev->watchdog_timeo = TX_TIMEOUT;
- init_poll(dev, np);
+ netif_napi_add(dev, &np->napi, netdev_poll, max_interrupt_work);
dev->stop = &netdev_close;
dev->get_stats = &get_stats;
dev->set_multicast_list = &set_rx_mode;
if (register_netdev(dev))
goto err_out_cleardev;
- printk(KERN_INFO "%s: %s at %p, %s, IRQ %d.\n",
+ printk(KERN_INFO "%s: %s at %p, %pM, IRQ %d.\n",
dev->name, netdrv_tbl[chip_idx].name, base,
- print_mac(mac, dev->dev_addr), irq);
+ dev->dev_addr, irq);
if (drv_flags & CanHaveMII) {
int phy, phy_idx = 0;
writel(np->intr_timer_ctrl, ioaddr + IntrTimerCtrl);
-#ifdef HAVE_NETDEV_POLL
napi_enable(&np->napi);
-#endif
+
netif_start_queue(dev);
if (debug > 1)
handled = 1;
- if (intr_status & (IntrRxDone | IntrRxEmpty))
- netdev_rx(dev, np, ioaddr);
+ if (intr_status & (IntrRxDone | IntrRxEmpty)) {
+ u32 enable;
+
+ if (likely(netif_rx_schedule_prep(&np->napi))) {
+ __netif_rx_schedule(&np->napi);
+ enable = readl(ioaddr + IntrEnable);
+ enable &= ~(IntrRxDone | IntrRxEmpty);
+ writel(enable, ioaddr + IntrEnable);
+ /* flush PCI posting buffers */
+ readl(ioaddr + IntrEnable);
+ } else {
+ /* Paranoia check */
+ enable = readl(ioaddr + IntrEnable);
+ if (enable & (IntrRxDone | IntrRxEmpty)) {
+ printk(KERN_INFO
+ "%s: interrupt while in poll!\n",
+ dev->name);
+ enable &= ~(IntrRxDone | IntrRxEmpty);
+ writel(enable, ioaddr + IntrEnable);
+ }
+ }
+ }
/* Scavenge the skbuff list based on the Tx-done queue.
There are redundant checks here that may be cleaned up
}
-/* This routine is logically part of the interrupt/poll handler, but separated
- for clarity, code sharing between NAPI/non-NAPI, and better register allocation. */
+/*
+ * This routine is logically part of the interrupt/poll handler, but separated
+ * for clarity and better register allocation.
+ */
static int __netdev_rx(struct net_device *dev, int *quota)
{
struct netdev_private *np = netdev_priv(dev);
#ifndef final_version /* Remove after testing. */
/* You will want this info for the initial debug. */
if (debug > 5) {
- printk(KERN_DEBUG " Rx data " MAC_FMT " " MAC_FMT
- " %2.2x%2.2x.\n",
- skb->data[0], skb->data[1], skb->data[2],
- skb->data[3], skb->data[4], skb->data[5],
- skb->data[6], skb->data[7], skb->data[8],
- skb->data[9], skb->data[10], skb->data[11],
+ printk(KERN_DEBUG " Rx data %pM %pM %2.2x%2.2x.\n",
+ skb->data, skb->data + 6,
skb->data[12], skb->data[13]);
}
#endif
}
#ifdef VLAN_SUPPORT
if (np->vlgrp && le16_to_cpu(desc->status2) & 0x0200) {
- if (debug > 4)
- printk(KERN_DEBUG " netdev_rx() vlanid = %d\n", le16_to_cpu(desc->vlanid));
- /* vlan_netdev_receive_skb() expects a packet with the VLAN tag stripped out */
- vlan_netdev_receive_skb(skb, np->vlgrp, le16_to_cpu(desc->vlanid) & VLAN_VID_MASK);
+ u16 vlid = le16_to_cpu(desc->vlanid);
+
+ if (debug > 4) {
+ printk(KERN_DEBUG " netdev_rx() vlanid = %d\n",
+ vlid);
+ }
+ /*
+ * vlan_hwaccel_rx expects a packet with the VLAN tag
+ * stripped out.
+ */
+ vlan_hwaccel_rx(skb, np->vlgrp, vlid);
} else
#endif /* VLAN_SUPPORT */
- netdev_receive_skb(skb);
- dev->last_rx = jiffies;
+ netif_receive_skb(skb);
np->stats.rx_packets++;
next_rx:
desc->status = 0;
np->rx_done = (np->rx_done + 1) % DONE_Q_SIZE;
}
+
+ if (*quota == 0) { /* out of rx quota */
+ retcode = 1;
+ goto out;
+ }
writew(np->rx_done, np->base + CompletionQConsumerIdx);
out:
return retcode;
}
-
-#ifdef HAVE_NETDEV_POLL
static int netdev_poll(struct napi_struct *napi, int budget)
{
struct netdev_private *np = container_of(napi, struct netdev_private, napi);
intr_status = readl(ioaddr + IntrStatus);
} while (intr_status & (IntrRxDone | IntrRxEmpty));
- netif_rx_complete(dev, napi);
+ netif_rx_complete(napi);
intr_status = readl(ioaddr + IntrEnable);
intr_status |= IntrRxDone | IntrRxEmpty;
writel(intr_status, ioaddr + IntrEnable);
/* Restart Rx engine if stopped. */
return budget - quota;
}
-#endif /* HAVE_NETDEV_POLL */
-
static void refill_rx_ring(struct net_device *dev)
{
int i;
netif_stop_queue(dev);
-#ifdef HAVE_NETDEV_POLL
+
napi_disable(&np->napi);
-#endif
if (debug > 1) {
printk(KERN_DEBUG "%s: Shutting down ethercard, Intr status %#8.8x.\n",
/* when a module, this is printed whether or not devices are found in probe */
#ifdef MODULE
printk(version);
-#ifdef HAVE_NETDEV_POLL
+
printk(KERN_INFO DRV_NAME ": polling (NAPI) enabled\n");
-#else
- printk(KERN_INFO DRV_NAME ": polling (NAPI) disabled\n");
-#endif
#endif
/* we can do this test only at run-time... sigh */
projects / mirror_ubuntu-zesty-kernel.git / blobdiff