#define DRV_VERSION "2.1"
#define DRV_RELDATE "July 6, 2008"
+#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/mii.h>
#include <linux/if_vlan.h>
#include <linux/mm.h>
+#include <linux/firmware.h>
#include <asm/processor.h> /* Processor type for cache alignment. */
#include <asm/uaccess.h>
#include <asm/io.h>
-#include "starfire_firmware.h"
/*
* The current frame processor firmware fails to checksum a fragment
* of length 1. If and when this is fixed, the #define below can be removed.
/* Time in jiffies before concluding the transmitter is hung. */
#define TX_TIMEOUT (2 * HZ)
-/*
- * This SUCKS.
- * We need a much better method to determine if dma_addr_t is 64-bit.
- */
-#if (defined(__i386__) && defined(CONFIG_HIGHMEM64G)) || defined(__x86_64__) || defined (__ia64__) || defined(__alpha__) || defined(__mips64__) || (defined(__mips__) && defined(CONFIG_HIGHMEM) && defined(CONFIG_64BIT_PHYS_ADDR))
+#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
/* 64-bit dma_addr_t */
#define ADDR_64BITS /* This chip uses 64 bit addresses. */
#define netdrv_addr_t __le64
#define skb_first_frag_len(skb) skb_headlen(skb)
#define skb_num_frags(skb) (skb_shinfo(skb)->nr_frags + 1)
+/* Firmware names */
+#define FIRMWARE_RX "adaptec/starfire_rx.bin"
+#define FIRMWARE_TX "adaptec/starfire_tx.bin"
+
/* These identify the driver base version and may not be removed. */
-static char version[] =
+static const char version[] __devinitconst =
KERN_INFO "starfire.c:v1.03 7/26/2000 Written by Donald Becker <becker@scyld.com>\n"
-KERN_INFO " (unofficial 2.2/2.4 kernel port, version " DRV_VERSION ", " DRV_RELDATE ")\n";
+" (unofficial 2.2/2.4 kernel port, version " DRV_VERSION ", " DRV_RELDATE ")\n";
MODULE_AUTHOR("Donald Becker <becker@scyld.com>");
MODULE_DESCRIPTION("Adaptec Starfire Ethernet driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
+MODULE_FIRMWARE(FIRMWARE_RX);
+MODULE_FIRMWARE(FIRMWARE_TX);
module_param(max_interrupt_work, int, 0);
module_param(mtu, int, 0);
CH_6915 = 0,
};
-static struct pci_device_id starfire_pci_tbl[] = {
- { 0x9004, 0x6915, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_6915 },
+static DEFINE_PCI_DEVICE_TABLE(starfire_pci_tbl) = {
+ { PCI_VDEVICE(ADAPTEC, 0x6915), CH_6915 },
{ 0, }
};
MODULE_DEVICE_TABLE(pci, starfire_pci_tbl);
unsigned int tx_done;
struct napi_struct napi;
struct net_device *dev;
- struct net_device_stats stats;
struct pci_dev *pci_dev;
#ifdef VLAN_SUPPORT
- struct vlan_group *vlgrp;
+ unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
#endif
void *queue_mem;
dma_addr_t queue_mem_dma;
static void check_duplex(struct net_device *dev);
static void tx_timeout(struct net_device *dev);
static void init_ring(struct net_device *dev);
-static int start_tx(struct sk_buff *skb, struct net_device *dev);
+static netdev_tx_t start_tx(struct sk_buff *skb, struct net_device *dev);
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);
#ifdef VLAN_SUPPORT
-static void netdev_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
-{
- struct netdev_private *np = netdev_priv(dev);
-
- spin_lock(&np->lock);
- if (debug > 2)
- printk("%s: Setting vlgrp to %p\n", dev->name, grp);
- np->vlgrp = grp;
- set_rx_mode(dev);
- spin_unlock(&np->lock);
-}
-
static void netdev_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
{
struct netdev_private *np = netdev_priv(dev);
spin_lock(&np->lock);
if (debug > 1)
printk("%s: Adding vlanid %d to vlan filter\n", dev->name, vid);
+ set_bit(vid, np->active_vlans);
set_rx_mode(dev);
spin_unlock(&np->lock);
}
spin_lock(&np->lock);
if (debug > 1)
printk("%s: removing vlanid %d from vlan filter\n", dev->name, vid);
- vlan_group_set_device(np->vlgrp, vid, NULL);
+ clear_bit(vid, np->active_vlans);
set_rx_mode(dev);
spin_unlock(&np->lock);
}
#endif /* VLAN_SUPPORT */
+static const struct net_device_ops netdev_ops = {
+ .ndo_open = netdev_open,
+ .ndo_stop = netdev_close,
+ .ndo_start_xmit = start_tx,
+ .ndo_tx_timeout = tx_timeout,
+ .ndo_get_stats = get_stats,
+ .ndo_set_multicast_list = &set_rx_mode,
+ .ndo_do_ioctl = netdev_ioctl,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+#ifdef VLAN_SUPPORT
+ .ndo_vlan_rx_add_vid = netdev_vlan_rx_add_vid,
+ .ndo_vlan_rx_kill_vid = netdev_vlan_rx_kill_vid,
+#endif
+};
+
static int __devinit starfire_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
if (enable_hw_cksum)
dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
#endif /* ZEROCOPY */
+
#ifdef VLAN_SUPPORT
dev->features |= NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER;
- dev->vlan_rx_register = netdev_vlan_rx_register;
- dev->vlan_rx_add_vid = netdev_vlan_rx_add_vid;
- dev->vlan_rx_kill_vid = netdev_vlan_rx_kill_vid;
#endif /* VLAN_RX_KILL_VID */
#ifdef ADDR_64BITS
dev->features |= NETIF_F_HIGHDMA;
}
}
- /* The chip-specific entries in the device structure. */
- dev->open = &netdev_open;
- dev->hard_start_xmit = &start_tx;
- dev->tx_timeout = tx_timeout;
+ dev->netdev_ops = &netdev_ops;
dev->watchdog_timeo = TX_TIMEOUT;
- 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;
- dev->do_ioctl = &netdev_ioctl;
SET_ETHTOOL_OPS(dev, ðtool_ops);
+ netif_napi_add(dev, &np->napi, netdev_poll, max_interrupt_work);
+
if (mtu)
dev->mtu = mtu;
void __iomem *mdio_addr = np->base + MIICtrl + (phy_id<<7) + (location<<2);
int result, boguscnt=1000;
/* ??? Should we add a busy-wait here? */
- do
+ do {
result = readl(mdio_addr);
- while ((result & 0xC0000000) != 0x80000000 && --boguscnt > 0);
+ } while ((result & 0xC0000000) != 0x80000000 && --boguscnt > 0);
if (boguscnt == 0)
return 0;
if ((result & 0xffff) == 0xffff)
static int netdev_open(struct net_device *dev)
{
+ const struct firmware *fw_rx, *fw_tx;
+ const __be32 *fw_rx_data, *fw_tx_data;
struct netdev_private *np = netdev_priv(dev);
void __iomem *ioaddr = np->base;
int i, retval;
+ size_t tx_size, rx_size;
size_t tx_done_q_size, rx_done_q_size, tx_ring_size, rx_ring_size;
/* Do we ever need to reset the chip??? */
- retval = request_irq(dev->irq, &intr_handler, IRQF_SHARED, dev->name, dev);
+ retval = request_irq(dev->irq, intr_handler, IRQF_SHARED, dev->name, dev);
if (retval)
return retval;
writel(ETH_P_8021Q, ioaddr + VlanType);
#endif /* VLAN_SUPPORT */
+ retval = request_firmware(&fw_rx, FIRMWARE_RX, &np->pci_dev->dev);
+ if (retval) {
+ printk(KERN_ERR "starfire: Failed to load firmware \"%s\"\n",
+ FIRMWARE_RX);
+ goto out_init;
+ }
+ if (fw_rx->size % 4) {
+ printk(KERN_ERR "starfire: bogus length %zu in \"%s\"\n",
+ fw_rx->size, FIRMWARE_RX);
+ retval = -EINVAL;
+ goto out_rx;
+ }
+ retval = request_firmware(&fw_tx, FIRMWARE_TX, &np->pci_dev->dev);
+ if (retval) {
+ printk(KERN_ERR "starfire: Failed to load firmware \"%s\"\n",
+ FIRMWARE_TX);
+ goto out_rx;
+ }
+ if (fw_tx->size % 4) {
+ printk(KERN_ERR "starfire: bogus length %zu in \"%s\"\n",
+ fw_tx->size, FIRMWARE_TX);
+ retval = -EINVAL;
+ goto out_tx;
+ }
+ fw_rx_data = (const __be32 *)&fw_rx->data[0];
+ fw_tx_data = (const __be32 *)&fw_tx->data[0];
+ rx_size = fw_rx->size / 4;
+ tx_size = fw_tx->size / 4;
+
/* Load Rx/Tx firmware into the frame processors */
- for (i = 0; i < FIRMWARE_RX_SIZE * 2; i++)
- writel(firmware_rx[i], ioaddr + RxGfpMem + i * 4);
- for (i = 0; i < FIRMWARE_TX_SIZE * 2; i++)
- writel(firmware_tx[i], ioaddr + TxGfpMem + i * 4);
+ for (i = 0; i < rx_size; i++)
+ writel(be32_to_cpup(&fw_rx_data[i]), ioaddr + RxGfpMem + i * 4);
+ for (i = 0; i < tx_size; i++)
+ writel(be32_to_cpup(&fw_tx_data[i]), ioaddr + TxGfpMem + i * 4);
if (enable_hw_cksum)
/* Enable the Rx and Tx units, and the Rx/Tx frame processors. */
writel(TxEnable|TxGFPEnable|RxEnable|RxGFPEnable, ioaddr + GenCtrl);
printk(KERN_DEBUG "%s: Done netdev_open().\n",
dev->name);
- return 0;
+out_tx:
+ release_firmware(fw_tx);
+out_rx:
+ release_firmware(fw_rx);
+out_init:
+ if (retval)
+ netdev_close(dev);
+ return retval;
}
/* Trigger an immediate transmit demand. */
- dev->trans_start = jiffies;
- np->stats.tx_errors++;
+ dev->trans_start = jiffies; /* prevent tx timeout */
+ dev->stats.tx_errors++;
netif_wake_queue(dev);
}
for (i = 0; i < TX_RING_SIZE; i++)
memset(&np->tx_info[i], 0, sizeof(np->tx_info[i]));
-
- return;
}
-static int start_tx(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t start_tx(struct sk_buff *skb, struct net_device *dev)
{
struct netdev_private *np = netdev_priv(dev);
unsigned int entry;
*/
if ((np->cur_tx - np->dirty_tx) + skb_num_frags(skb) * 2 > TX_RING_SIZE) {
netif_stop_queue(dev);
- return 1;
+ return NETDEV_TX_BUSY;
}
#if defined(ZEROCOPY) && defined(HAS_BROKEN_FIRMWARE)
}
if (skb->ip_summed == CHECKSUM_PARTIAL) {
status |= TxCalTCP;
- np->stats.tx_compressed++;
+ dev->stats.tx_compressed++;
}
status |= skb_first_frag_len(skb) | (skb_num_frags(skb) << 16);
if ((np->cur_tx - np->dirty_tx) + 4 > TX_RING_SIZE)
netif_stop_queue(dev);
- dev->trans_start = jiffies;
-
- return 0;
+ return NETDEV_TX_OK;
}
if (intr_status & (IntrRxDone | IntrRxEmpty)) {
u32 enable;
- if (likely(netif_rx_schedule_prep(dev, &np->napi))) {
- __netif_rx_schedule(dev, &np->napi);
+ if (likely(napi_schedule_prep(&np->napi))) {
+ __napi_schedule(&np->napi);
enable = readl(ioaddr + IntrEnable);
enable &= ~(IntrRxDone | IntrRxEmpty);
writel(enable, ioaddr + IntrEnable);
printk(KERN_DEBUG "%s: Tx completion #%d entry %d is %#8.8x.\n",
dev->name, np->dirty_tx, np->tx_done, tx_status);
if ((tx_status & 0xe0000000) == 0xa0000000) {
- np->stats.tx_packets++;
+ dev->stats.tx_packets++;
} else if ((tx_status & 0xe0000000) == 0x80000000) {
u16 entry = (tx_status & 0x7fff) / sizeof(starfire_tx_desc);
struct sk_buff *skb = np->tx_info[entry].skb;
/* There was an error. */
if (debug > 2)
printk(KERN_DEBUG " netdev_rx() Rx error was %#8.8x.\n", desc_status);
- np->stats.rx_errors++;
+ dev->stats.rx_errors++;
if (desc_status & RxFIFOErr)
- np->stats.rx_fifo_errors++;
+ dev->stats.rx_fifo_errors++;
goto next_rx;
}
printk(KERN_DEBUG " netdev_rx() normal Rx pkt length %d, quota %d.\n", pkt_len, *quota);
/* Check if the packet is long enough to accept without copying
to a minimally-sized skbuff. */
- if (pkt_len < rx_copybreak
- && (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
+ if (pkt_len < rx_copybreak &&
+ (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
skb_reserve(skb, 2); /* 16 byte align the IP header */
pci_dma_sync_single_for_cpu(np->pci_dev,
np->rx_info[entry].mapping,
#endif
if (le16_to_cpu(desc->status2) & 0x0100) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
- np->stats.rx_compressed++;
+ dev->stats.rx_compressed++;
}
/*
* This feature doesn't seem to be working, at least
printk(KERN_DEBUG "%s: checksum_hw, status2 = %#x\n", dev->name, le16_to_cpu(desc->status2));
}
#ifdef VLAN_SUPPORT
- if (np->vlgrp && le16_to_cpu(desc->status2) & 0x0200) {
+ if (le16_to_cpu(desc->status2) & 0x0200) {
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
+ __vlan_hwaccel_put_tag(skb, vlid);
+ }
#endif /* VLAN_SUPPORT */
- netif_receive_skb(skb);
- np->stats.rx_packets++;
+ netif_receive_skb(skb);
+ dev->stats.rx_packets++;
next_rx:
np->cur_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:
intr_status = readl(ioaddr + IntrStatus);
} while (intr_status & (IntrRxDone | IntrRxEmpty));
- netif_rx_complete(dev, napi);
+ napi_complete(napi);
intr_status = readl(ioaddr + IntrEnable);
intr_status |= IntrRxDone | IntrRxEmpty;
writel(intr_status, ioaddr + IntrEnable);
printk(KERN_WARNING "%s: PCI Tx underflow -- adapter is probably malfunctioning\n", dev->name);
}
if (intr_status & IntrRxGFPDead) {
- np->stats.rx_fifo_errors++;
- np->stats.rx_errors++;
+ dev->stats.rx_fifo_errors++;
+ dev->stats.rx_errors++;
}
if (intr_status & (IntrNoTxCsum | IntrDMAErr)) {
- np->stats.tx_fifo_errors++;
- np->stats.tx_errors++;
+ dev->stats.tx_fifo_errors++;
+ dev->stats.tx_errors++;
}
if ((intr_status & ~(IntrNormalMask | IntrAbnormalSummary | IntrLinkChange | IntrStatsMax | IntrTxDataLow | IntrRxGFPDead | IntrNoTxCsum | IntrPCIPad)) && debug)
printk(KERN_ERR "%s: Something Wicked happened! %#8.8x.\n",
void __iomem *ioaddr = np->base;
/* This adapter architecture needs no SMP locks. */
- np->stats.tx_bytes = readl(ioaddr + 0x57010);
- np->stats.rx_bytes = readl(ioaddr + 0x57044);
- np->stats.tx_packets = readl(ioaddr + 0x57000);
- np->stats.tx_aborted_errors =
+ dev->stats.tx_bytes = readl(ioaddr + 0x57010);
+ dev->stats.rx_bytes = readl(ioaddr + 0x57044);
+ dev->stats.tx_packets = readl(ioaddr + 0x57000);
+ dev->stats.tx_aborted_errors =
readl(ioaddr + 0x57024) + readl(ioaddr + 0x57028);
- np->stats.tx_window_errors = readl(ioaddr + 0x57018);
- np->stats.collisions =
+ dev->stats.tx_window_errors = readl(ioaddr + 0x57018);
+ dev->stats.collisions =
readl(ioaddr + 0x57004) + readl(ioaddr + 0x57008);
/* The chip only need report frame silently dropped. */
- np->stats.rx_dropped += readw(ioaddr + RxDMAStatus);
+ dev->stats.rx_dropped += readw(ioaddr + RxDMAStatus);
writew(0, ioaddr + RxDMAStatus);
- np->stats.rx_crc_errors = readl(ioaddr + 0x5703C);
- np->stats.rx_frame_errors = readl(ioaddr + 0x57040);
- np->stats.rx_length_errors = readl(ioaddr + 0x57058);
- np->stats.rx_missed_errors = readl(ioaddr + 0x5707C);
+ dev->stats.rx_crc_errors = readl(ioaddr + 0x5703C);
+ dev->stats.rx_frame_errors = readl(ioaddr + 0x57040);
+ dev->stats.rx_length_errors = readl(ioaddr + 0x57058);
+ dev->stats.rx_missed_errors = readl(ioaddr + 0x5707C);
- return &np->stats;
+ return &dev->stats;
}
+#ifdef VLAN_SUPPORT
+static u32 set_vlan_mode(struct netdev_private *np)
+{
+ u32 ret = VlanMode;
+ u16 vid;
+ void __iomem *filter_addr = np->base + HashTable + 8;
+ int vlan_count = 0;
+
+ for_each_set_bit(vid, np->active_vlans, VLAN_N_VID) {
+ if (vlan_count == 32)
+ break;
+ writew(vid, filter_addr);
+ filter_addr += 16;
+ vlan_count++;
+ }
+ if (vlan_count == 32) {
+ ret |= PerfectFilterVlan;
+ while (vlan_count < 32) {
+ writew(0, filter_addr);
+ filter_addr += 16;
+ vlan_count++;
+ }
+ }
+ return ret;
+}
+#endif /* VLAN_SUPPORT */
static void set_rx_mode(struct net_device *dev)
{
struct netdev_private *np = netdev_priv(dev);
void __iomem *ioaddr = np->base;
u32 rx_mode = MinVLANPrio;
- struct dev_mc_list *mclist;
+ struct netdev_hw_addr *ha;
int i;
-#ifdef VLAN_SUPPORT
- rx_mode |= VlanMode;
- if (np->vlgrp) {
- int vlan_count = 0;
- void __iomem *filter_addr = ioaddr + HashTable + 8;
- for (i = 0; i < VLAN_VID_MASK; i++) {
- if (vlan_group_get_device(np->vlgrp, i)) {
- if (vlan_count >= 32)
- break;
- writew(i, filter_addr);
- filter_addr += 16;
- vlan_count++;
- }
- }
- if (i == VLAN_VID_MASK) {
- rx_mode |= PerfectFilterVlan;
- while (vlan_count < 32) {
- writew(0, filter_addr);
- filter_addr += 16;
- vlan_count++;
- }
- }
- }
+#ifdef VLAN_SUPPORT
+ rx_mode |= set_vlan_mode(np);
#endif /* VLAN_SUPPORT */
if (dev->flags & IFF_PROMISC) { /* Set promiscuous. */
rx_mode |= AcceptAll;
- } else if ((dev->mc_count > multicast_filter_limit)
- || (dev->flags & IFF_ALLMULTI)) {
+ } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
+ (dev->flags & IFF_ALLMULTI)) {
/* Too many to match, or accept all multicasts. */
rx_mode |= AcceptBroadcast|AcceptAllMulticast|PerfectFilter;
- } else if (dev->mc_count <= 14) {
+ } else if (netdev_mc_count(dev) <= 14) {
/* Use the 16 element perfect filter, skip first two entries. */
void __iomem *filter_addr = ioaddr + PerfFilterTable + 2 * 16;
__be16 *eaddrs;
- for (i = 2, mclist = dev->mc_list; mclist && i < dev->mc_count + 2;
- i++, mclist = mclist->next) {
- eaddrs = (__be16 *)mclist->dmi_addr;
+ netdev_for_each_mc_addr(ha, dev) {
+ eaddrs = (__be16 *) ha->addr;
writew(be16_to_cpu(eaddrs[2]), filter_addr); filter_addr += 4;
writew(be16_to_cpu(eaddrs[1]), filter_addr); filter_addr += 4;
writew(be16_to_cpu(eaddrs[0]), filter_addr); filter_addr += 8;
}
eaddrs = (__be16 *)dev->dev_addr;
+ i = netdev_mc_count(dev) + 2;
while (i++ < 16) {
writew(be16_to_cpu(eaddrs[0]), filter_addr); filter_addr += 4;
writew(be16_to_cpu(eaddrs[1]), filter_addr); filter_addr += 4;
__le16 mc_filter[32] __attribute__ ((aligned(sizeof(long)))); /* Multicast hash filter */
memset(mc_filter, 0, sizeof(mc_filter));
- for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
- i++, mclist = mclist->next) {
+ netdev_for_each_mc_addr(ha, dev) {
/* The chip uses the upper 9 CRC bits
as index into the hash table */
- int bit_nr = ether_crc_le(ETH_ALEN, mclist->dmi_addr) >> 23;
+ int bit_nr = ether_crc_le(ETH_ALEN, ha->addr) >> 23;
__le32 *fptr = (__le32 *) &mc_filter[(bit_nr >> 4) & ~1];
*fptr |= cpu_to_le32(1 << (bit_nr & 31));
printk(KERN_INFO DRV_NAME ": polling (NAPI) enabled\n");
#endif
- /* we can do this test only at run-time... sigh */
- if (sizeof(dma_addr_t) != sizeof(netdrv_addr_t)) {
- printk("This driver has dma_addr_t issues, please send email to maintainer\n");
- return -ENODEV;
- }
+ BUILD_BUG_ON(sizeof(dma_addr_t) != sizeof(netdrv_addr_t));
return pci_register_driver(&starfire_driver);
}
Code Review / linux-2.6.git / blobdiff