TBD:
* look at deferring rx frames rather than discarding (as per tulip)
* handle tx ring full as per tulip
- * performace test to tune rx_copybreak
+ * performance test to tune rx_copybreak
Most of my modifications relate to the braindead big-endian
implementation by Intel. When the i596 is operating in
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/ioport.h>
-#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/init.h>
#include <linux/bitops.h>
+#include <linux/gfp.h>
#include <asm/io.h>
#include <asm/dma.h>
#include <asm/pgtable.h>
+#include <asm/cacheflush.h>
static char version[] __initdata =
"82596.c $Revision: 1.5 $\n";
#define ISCP_BUSY 0x00010000
#define MACH_IS_APRICOT 0
#else
-#define WSWAPrfd(x) ((struct i596_rfd *)(x))
-#define WSWAPrbd(x) ((struct i596_rbd *)(x))
-#define WSWAPiscp(x) ((struct i596_iscp *)(x))
-#define WSWAPscb(x) ((struct i596_scb *)(x))
-#define WSWAPcmd(x) ((struct i596_cmd *)(x))
-#define WSWAPtbd(x) ((struct i596_tbd *)(x))
-#define WSWAPchar(x) ((char *)(x))
+#define WSWAPrfd(x) ((struct i596_rfd *)((long)x))
+#define WSWAPrbd(x) ((struct i596_rbd *)((long)x))
+#define WSWAPiscp(x) ((struct i596_iscp *)((long)x))
+#define WSWAPscb(x) ((struct i596_scb *)((long)x))
+#define WSWAPcmd(x) ((struct i596_cmd *)((long)x))
+#define WSWAPtbd(x) ((struct i596_tbd *)((long)x))
+#define WSWAPchar(x) ((char *)((long)x))
#define ISCP_BUSY 0x0001
#define MACH_IS_APRICOT 1
#endif
struct i596_cmd *cmd_head;
int cmd_backlog;
unsigned long last_cmd;
- struct net_device_stats stats;
struct i596_rfd rfds[RX_RING_SIZE];
struct i596_rbd rbds[RX_RING_SIZE];
struct tx_cmd tx_cmds[TX_RING_SIZE];
0x7f /* *multi IA */ };
static int i596_open(struct net_device *dev);
-static int i596_start_xmit(struct sk_buff *skb, struct net_device *dev);
+static netdev_tx_t i596_start_xmit(struct sk_buff *skb, struct net_device *dev);
static irqreturn_t i596_interrupt(int irq, void *dev_id);
static int i596_close(struct net_device *dev);
-static struct net_device_stats *i596_get_stats(struct net_device *dev);
static void i596_add_cmd(struct net_device *dev, struct i596_cmd *cmd);
static void i596_tx_timeout (struct net_device *dev);
static void print_eth(unsigned char *buf, char *str);
static void i596_display_data(struct net_device *dev)
{
- struct i596_private *lp = dev->priv;
+ struct i596_private *lp = dev->ml_priv;
struct i596_cmd *cmd;
struct i596_rfd *rfd;
struct i596_rbd *rbd;
static inline void init_rx_bufs(struct net_device *dev)
{
- struct i596_private *lp = dev->priv;
+ struct i596_private *lp = dev->ml_priv;
int i;
struct i596_rfd *rfd;
struct i596_rbd *rbd;
static inline void remove_rx_bufs(struct net_device *dev)
{
- struct i596_private *lp = dev->priv;
+ struct i596_private *lp = dev->ml_priv;
struct i596_rbd *rbd;
int i;
static void rebuild_rx_bufs(struct net_device *dev)
{
- struct i596_private *lp = dev->priv;
+ struct i596_private *lp = dev->ml_priv;
int i;
/* Ensure rx frame/buffer descriptors are tidy */
static int init_i596_mem(struct net_device *dev)
{
- struct i596_private *lp = dev->priv;
+ struct i596_private *lp = dev->ml_priv;
#if !defined(ENABLE_MVME16x_NET) && !defined(ENABLE_BVME6000_NET) || defined(ENABLE_APRICOT)
short ioaddr = dev->base_addr;
#endif
static inline int i596_rx(struct net_device *dev)
{
- struct i596_private *lp = dev->priv;
+ struct i596_private *lp = dev->ml_priv;
struct i596_rfd *rfd;
struct i596_rbd *rbd;
int frames = 0;
if (skb == NULL) {
/* XXX tulip.c can defer packets here!! */
printk(KERN_WARNING "%s: i596_rx Memory squeeze, dropping packet.\n", dev->name);
- lp->stats.rx_dropped++;
+ dev->stats.rx_dropped++;
}
else {
- skb->dev = dev;
if (!rx_in_place) {
/* 16 byte align the data fields */
skb_reserve(skb, 2);
pkt_len);
#endif
netif_rx(skb);
- dev->last_rx = jiffies;
- lp->stats.rx_packets++;
- lp->stats.rx_bytes+=pkt_len;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes+=pkt_len;
}
}
else {
DEB(DEB_ERRORS, printk(KERN_DEBUG "%s: Error, rfd.stat = 0x%04x\n",
dev->name, rfd->stat));
- lp->stats.rx_errors++;
+ dev->stats.rx_errors++;
if ((rfd->stat) & 0x0001)
- lp->stats.collisions++;
+ dev->stats.collisions++;
if ((rfd->stat) & 0x0080)
- lp->stats.rx_length_errors++;
+ dev->stats.rx_length_errors++;
if ((rfd->stat) & 0x0100)
- lp->stats.rx_over_errors++;
+ dev->stats.rx_over_errors++;
if ((rfd->stat) & 0x0200)
- lp->stats.rx_fifo_errors++;
+ dev->stats.rx_fifo_errors++;
if ((rfd->stat) & 0x0400)
- lp->stats.rx_frame_errors++;
+ dev->stats.rx_frame_errors++;
if ((rfd->stat) & 0x0800)
- lp->stats.rx_crc_errors++;
+ dev->stats.rx_crc_errors++;
if ((rfd->stat) & 0x1000)
- lp->stats.rx_length_errors++;
+ dev->stats.rx_length_errors++;
}
/* Clear the buffer descriptor count and EOF + F flags */
dev_kfree_skb(skb);
- lp->stats.tx_errors++;
- lp->stats.tx_aborted_errors++;
+ dev->stats.tx_errors++;
+ dev->stats.tx_aborted_errors++;
ptr->v_next = ptr->b_next = I596_NULL;
tx_cmd->cmd.command = 0; /* Mark as free */
static void i596_add_cmd(struct net_device *dev, struct i596_cmd *cmd)
{
- struct i596_private *lp = dev->priv;
+ struct i596_private *lp = dev->ml_priv;
int ioaddr = dev->base_addr;
unsigned long flags;
static void i596_tx_timeout (struct net_device *dev)
{
- struct i596_private *lp = dev->priv;
+ struct i596_private *lp = dev->ml_priv;
int ioaddr = dev->base_addr;
/* Transmitter timeout, serious problems. */
DEB(DEB_ERRORS,printk(KERN_ERR "%s: transmit timed out, status resetting.\n",
dev->name));
- lp->stats.tx_errors++;
+ dev->stats.tx_errors++;
/* Try to restart the adaptor */
- if (lp->last_restart == lp->stats.tx_packets) {
+ if (lp->last_restart == dev->stats.tx_packets) {
DEB(DEB_ERRORS,printk(KERN_ERR "Resetting board.\n"));
/* Shutdown and restart */
i596_reset (dev, lp, ioaddr);
DEB(DEB_ERRORS,printk(KERN_ERR "Kicking board.\n"));
lp->scb.command = CUC_START | RX_START;
CA (dev);
- lp->last_restart = lp->stats.tx_packets;
+ lp->last_restart = dev->stats.tx_packets;
}
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue (dev);
}
-
-static int i596_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t i596_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
- struct i596_private *lp = dev->priv;
+ struct i596_private *lp = dev->ml_priv;
struct tx_cmd *tx_cmd;
struct i596_tbd *tbd;
short length = skb->len;
- dev->trans_start = jiffies;
- DEB(DEB_STARTTX,printk(KERN_DEBUG "%s: i596_start_xmit(%x,%x) called\n", dev->name,
- skb->len, (unsigned int)skb->data));
+ DEB(DEB_STARTTX,printk(KERN_DEBUG "%s: i596_start_xmit(%x,%p) called\n",
+ dev->name, skb->len, skb->data));
if (skb->len < ETH_ZLEN) {
if (skb_padto(skb, ETH_ZLEN))
- return 0;
+ return NETDEV_TX_OK;
length = ETH_ZLEN;
}
netif_stop_queue(dev);
if (tx_cmd->cmd.command) {
printk(KERN_NOTICE "%s: xmit ring full, dropping packet.\n",
dev->name);
- lp->stats.tx_dropped++;
+ dev->stats.tx_dropped++;
dev_kfree_skb(skb);
} else {
DEB(DEB_TXADDR,print_eth(skb->data, "tx-queued"));
i596_add_cmd(dev, &tx_cmd->cmd);
- lp->stats.tx_packets++;
- lp->stats.tx_bytes += length;
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += length;
}
netif_start_queue(dev);
- return 0;
+ return NETDEV_TX_OK;
}
static void print_eth(unsigned char *add, char *str)
{
- int i;
-
- printk(KERN_DEBUG "i596 0x%p, ", add);
- for (i = 0; i < 6; i++)
- printk(" %02X", add[i + 6]);
- printk(" -->");
- for (i = 0; i < 6; i++)
- printk(" %02X", add[i]);
- printk(" %02X%02X, %s\n", add[12], add[13], str);
+ printk(KERN_DEBUG "i596 0x%p, %pM --> %pM %02X%02X, %s\n",
+ add, add + 6, add, add[12], add[13], str);
}
static int io = 0x300;
static int irq = 10;
+static const struct net_device_ops i596_netdev_ops = {
+ .ndo_open = i596_open,
+ .ndo_stop = i596_close,
+ .ndo_start_xmit = i596_start_xmit,
+ .ndo_set_multicast_list = set_multicast_list,
+ .ndo_tx_timeout = i596_tx_timeout,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
struct net_device * __init i82596_probe(int unit)
{
struct net_device *dev;
memcpy(eth_addr, (void *) 0xfffc1f2c, 6); /* YUCK! Get addr from NOVRAM */
dev->base_addr = MVME_I596_BASE;
dev->irq = (unsigned) MVME16x_IRQ_I596;
+ goto found;
}
#endif
#ifdef ENABLE_BVME6000_NET
rtc[3] = msr;
dev->base_addr = BVME_I596_BASE;
dev->irq = (unsigned) BVME_IRQ_I596;
+ goto found;
}
#endif
#ifdef ENABLE_APRICOT
goto out;
}
+ dev->base_addr = ioaddr;
+
for (i = 0; i < 8; i++) {
eth_addr[i] = inb(ioaddr + 8 + i);
checksum += eth_addr[i];
goto out1;
}
- dev->base_addr = ioaddr;
dev->irq = 10;
+ goto found;
}
#endif
+ err = -ENODEV;
+ goto out;
+
+found:
dev->mem_start = (int)__get_free_pages(GFP_ATOMIC, 0);
if (!dev->mem_start) {
err = -ENOMEM;
DEB(DEB_PROBE,printk(KERN_INFO "%s", version));
/* The 82596-specific entries in the device structure. */
- SET_MODULE_OWNER(dev);
- dev->open = i596_open;
- dev->stop = i596_close;
- dev->hard_start_xmit = i596_start_xmit;
- dev->get_stats = i596_get_stats;
- dev->set_multicast_list = set_multicast_list;
- dev->tx_timeout = i596_tx_timeout;
+ dev->netdev_ops = &i596_netdev_ops;
dev->watchdog_timeo = TX_TIMEOUT;
- dev->priv = (void *)(dev->mem_start);
+ dev->ml_priv = (void *)(dev->mem_start);
- lp = dev->priv;
- DEB(DEB_INIT,printk(KERN_DEBUG "%s: lp at 0x%08lx (%d bytes), lp->scb at 0x%08lx\n",
+ lp = dev->ml_priv;
+ DEB(DEB_INIT,printk(KERN_DEBUG "%s: lp at 0x%08lx (%zd bytes), "
+ "lp->scb at 0x%08lx\n",
dev->name, (unsigned long)lp,
sizeof(struct i596_private), (unsigned long)&lp->scb));
memset((void *) lp, 0, sizeof(struct i596_private));
}
ioaddr = dev->base_addr;
- lp = dev->priv;
+ lp = dev->ml_priv;
spin_lock (&lp->lock);
if ((ptr->status) & STAT_OK) {
DEB(DEB_TXADDR,print_eth(skb->data, "tx-done"));
} else {
- lp->stats.tx_errors++;
+ dev->stats.tx_errors++;
if ((ptr->status) & 0x0020)
- lp->stats.collisions++;
+ dev->stats.collisions++;
if (!((ptr->status) & 0x0040))
- lp->stats.tx_heartbeat_errors++;
+ dev->stats.tx_heartbeat_errors++;
if ((ptr->status) & 0x0400)
- lp->stats.tx_carrier_errors++;
+ dev->stats.tx_carrier_errors++;
if ((ptr->status) & 0x0800)
- lp->stats.collisions++;
+ dev->stats.collisions++;
if ((ptr->status) & 0x1000)
- lp->stats.tx_aborted_errors++;
+ dev->stats.tx_aborted_errors++;
}
dev_kfree_skb_irq(skb);
if (netif_running(dev)) {
DEB(DEB_ERRORS,printk(KERN_ERR "%s: i596 interrupt receive unit inactive, status 0x%x\n", dev->name, status));
ack_cmd |= RX_START;
- lp->stats.rx_errors++;
- lp->stats.rx_fifo_errors++;
+ dev->stats.rx_errors++;
+ dev->stats.rx_fifo_errors++;
rebuild_rx_bufs(dev);
}
}
static int i596_close(struct net_device *dev)
{
- struct i596_private *lp = dev->priv;
+ struct i596_private *lp = dev->ml_priv;
unsigned long flags;
netif_stop_queue(dev);
return 0;
}
-static struct net_device_stats *
- i596_get_stats(struct net_device *dev)
-{
- struct i596_private *lp = dev->priv;
-
- return &lp->stats;
-}
-
/*
* Set or clear the multicast filter for this adaptor.
*/
static void set_multicast_list(struct net_device *dev)
{
- struct i596_private *lp = dev->priv;
+ struct i596_private *lp = dev->ml_priv;
int config = 0, cnt;
DEB(DEB_MULTI,printk(KERN_DEBUG "%s: set multicast list, %d entries, promisc %s, allmulti %s\n",
- dev->name, dev->mc_count,
+ dev->name, netdev_mc_count(dev),
dev->flags & IFF_PROMISC ? "ON" : "OFF",
dev->flags & IFF_ALLMULTI ? "ON" : "OFF"));
i596_add_cmd(dev, &lp->cf_cmd.cmd);
}
- cnt = dev->mc_count;
+ cnt = netdev_mc_count(dev);
if (cnt > MAX_MC_CNT)
{
cnt = MAX_MC_CNT;
dev->name, cnt);
}
- if (dev->mc_count > 0) {
- struct dev_mc_list *dmi;
+ if (!netdev_mc_empty(dev)) {
+ struct netdev_hw_addr *ha;
unsigned char *cp;
struct mc_cmd *cmd;
return;
cmd = &lp->mc_cmd;
cmd->cmd.command = CmdMulticastList;
- cmd->mc_cnt = dev->mc_count * 6;
+ cmd->mc_cnt = cnt * ETH_ALEN;
cp = cmd->mc_addrs;
- for (dmi = dev->mc_list; cnt && dmi != NULL; dmi = dmi->next, cnt--, cp += 6) {
- memcpy(cp, dmi->dmi_addr, 6);
+ netdev_for_each_mc_addr(ha, dev) {
+ if (!cnt--)
+ break;
+ memcpy(cp, ha->addr, ETH_ALEN);
if (i596_debug > 1)
- DEB(DEB_MULTI,printk(KERN_INFO "%s: Adding address %02x:%02x:%02x:%02x:%02x:%02x\n",
- dev->name, cp[0],cp[1],cp[2],cp[3],cp[4],cp[5]));
+ DEB(DEB_MULTI,printk(KERN_INFO "%s: Adding address %pM\n",
+ dev->name, cp));
+ cp += ETH_ALEN;
}
i596_add_cmd(dev, &cmd->cmd);
}
}
#endif /* MODULE */
-
-/*
- * Local variables:
- * compile-command: "gcc -D__KERNEL__ -I/usr/src/linux/net/inet -Wall -Wstrict-prototypes -O6 -m486 -c 82596.c"
- * End:
- */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff