drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c - maze/linux - Git at Google

 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/list.h>
 #include <linux/pci.h>
 #include <linux/dma-mapping.h>
 #include <linux/pagemap.h>
 #include <linux/sched.h>
 #include <linux/dmapool.h>
 #include <linux/mempool.h>
 #include <linux/spinlock.h>
 #include <linux/kthread.h>
 #include <linux/interrupt.h>
 #include <linux/errno.h>
 #include <linux/ioport.h>
 #include <linux/in.h>
 #include <linux/ip.h>
 #include <linux/ipv6.h>
 #include <net/ipv6.h>
 #include <linux/tcp.h>
 #include <linux/udp.h>
 #include <linux/if_arp.h>
 #include <linux/if_ether.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/ethtool.h>
 #include <linux/skbuff.h>
 #include <linux/rtnetlink.h>
 #include <linux/if_vlan.h>
 #include <linux/delay.h>
 #include <linux/mm.h>
 #include <linux/vmalloc.h>


 #include "qlge.h"

 static const char ql_gstrings_test[][ETH_GSTRING_LEN] = {
 	"Loopback test  (offline)"
 };
 #define QLGE_TEST_LEN (sizeof(ql_gstrings_test) / ETH_GSTRING_LEN)

 static int ql_update_ring_coalescing(struct ql_adapter *qdev)
 {
 	int i, status = 0;
 	struct rx_ring *rx_ring;
 	struct cqicb *cqicb;

 	if (!netif_running(qdev->ndev))
 		return status;

 	/* Skip the default queue, and update the outbound handler
 	 * queues if they changed.
 	 */
 	cqicb = (struct cqicb *)&qdev->rx_ring[qdev->rss_ring_count];
 	if (le16_to_cpu(cqicb->irq_delay) != qdev->tx_coalesce_usecs ||
 		le16_to_cpu(cqicb->pkt_delay) !=
 				qdev->tx_max_coalesced_frames) {
 		for (i = qdev->rss_ring_count; i < qdev->rx_ring_count; i++) {
 			rx_ring = &qdev->rx_ring[i];
 			cqicb = (struct cqicb *)rx_ring;
 			cqicb->irq_delay = cpu_to_le16(qdev->tx_coalesce_usecs);
 			cqicb->pkt_delay =
 			    cpu_to_le16(qdev->tx_max_coalesced_frames);
 			cqicb->flags = FLAGS_LI;
 			status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb),
 						CFG_LCQ, rx_ring->cq_id);
 			if (status) {
 				netif_err(qdev, ifup, qdev->ndev,
 					  "Failed to load CQICB.\n");
 				goto exit;
 			}
 		}
 	}

 	/* Update the inbound (RSS) handler queues if they changed. */
 	cqicb = (struct cqicb *)&qdev->rx_ring[0];
 	if (le16_to_cpu(cqicb->irq_delay) != qdev->rx_coalesce_usecs ||
 		le16_to_cpu(cqicb->pkt_delay) !=
 					qdev->rx_max_coalesced_frames) {
 		for (i = 0; i < qdev->rss_ring_count; i++, rx_ring++) {
 			rx_ring = &qdev->rx_ring[i];
 			cqicb = (struct cqicb *)rx_ring;
 			cqicb->irq_delay = cpu_to_le16(qdev->rx_coalesce_usecs);
 			cqicb->pkt_delay =
 			    cpu_to_le16(qdev->rx_max_coalesced_frames);
 			cqicb->flags = FLAGS_LI;
 			status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb),
 						CFG_LCQ, rx_ring->cq_id);
 			if (status) {
 				netif_err(qdev, ifup, qdev->ndev,
 					  "Failed to load CQICB.\n");
 				goto exit;
 			}
 		}
 	}
 exit:
 	return status;
 }

 static void ql_update_stats(struct ql_adapter *qdev)
 {
 	u32 i;
 	u64 data;
 	u64 *iter = &qdev->nic_stats.tx_pkts;

 	spin_lock(&qdev->stats_lock);
 	if (ql_sem_spinlock(qdev, qdev->xg_sem_mask)) {
 			netif_err(qdev, drv, qdev->ndev,
 				  "Couldn't get xgmac sem.\n");
 		goto quit;
 	}
 	/*
 	 * Get TX statistics.
 	 */
 	for (i = 0x200; i < 0x280; i += 8) {
 		if (ql_read_xgmac_reg64(qdev, i, &data)) {
 			netif_err(qdev, drv, qdev->ndev,
 				  "Error reading status register 0x%.04x.\n",
 				  i);
 			goto end;
 		} else
 			*iter = data;
 		iter++;
 	}

 	/*
 	 * Get RX statistics.
 	 */
 	for (i = 0x300; i < 0x3d0; i += 8) {
 		if (ql_read_xgmac_reg64(qdev, i, &data)) {
 			netif_err(qdev, drv, qdev->ndev,
 				  "Error reading status register 0x%.04x.\n",
 				  i);
 			goto end;
 		} else
 			*iter = data;
 		iter++;
 	}

 	/*
 	 * Get Per-priority TX pause frame counter statistics.
 	 */
 	for (i = 0x500; i < 0x540; i += 8) {
 		if (ql_read_xgmac_reg64(qdev, i, &data)) {
 			netif_err(qdev, drv, qdev->ndev,
 				  "Error reading status register 0x%.04x.\n",
 				  i);
 			goto end;
 		} else
 			*iter = data;
 		iter++;
 	}

 	/*
 	 * Get Per-priority RX pause frame counter statistics.
 	 */
 	for (i = 0x568; i < 0x5a8; i += 8) {
 		if (ql_read_xgmac_reg64(qdev, i, &data)) {
 			netif_err(qdev, drv, qdev->ndev,
 				  "Error reading status register 0x%.04x.\n",
 				  i);
 			goto end;
 		} else
 			*iter = data;
 		iter++;
 	}

 	/*
 	 * Get RX NIC FIFO DROP statistics.
 	 */
 	if (ql_read_xgmac_reg64(qdev, 0x5b8, &data)) {
 		netif_err(qdev, drv, qdev->ndev,
 			  "Error reading status register 0x%.04x.\n", i);
 		goto end;
 	} else
 		*iter = data;
 end:
 	ql_sem_unlock(qdev, qdev->xg_sem_mask);
 quit:
 	spin_unlock(&qdev->stats_lock);

 	QL_DUMP_STAT(qdev);
 }

 static char ql_stats_str_arr[][ETH_GSTRING_LEN] = {
 	{"tx_pkts"},
 	{"tx_bytes"},
 	{"tx_mcast_pkts"},
 	{"tx_bcast_pkts"},
 	{"tx_ucast_pkts"},
 	{"tx_ctl_pkts"},
 	{"tx_pause_pkts"},
 	{"tx_64_pkts"},
 	{"tx_65_to_127_pkts"},
 	{"tx_128_to_255_pkts"},
 	{"tx_256_511_pkts"},
 	{"tx_512_to_1023_pkts"},
 	{"tx_1024_to_1518_pkts"},
 	{"tx_1519_to_max_pkts"},
 	{"tx_undersize_pkts"},
 	{"tx_oversize_pkts"},
 	{"rx_bytes"},
 	{"rx_bytes_ok"},
 	{"rx_pkts"},
 	{"rx_pkts_ok"},
 	{"rx_bcast_pkts"},
 	{"rx_mcast_pkts"},
 	{"rx_ucast_pkts"},
 	{"rx_undersize_pkts"},
 	{"rx_oversize_pkts"},
 	{"rx_jabber_pkts"},
 	{"rx_undersize_fcerr_pkts"},
 	{"rx_drop_events"},
 	{"rx_fcerr_pkts"},
 	{"rx_align_err"},
 	{"rx_symbol_err"},
 	{"rx_mac_err"},
 	{"rx_ctl_pkts"},
 	{"rx_pause_pkts"},
 	{"rx_64_pkts"},
 	{"rx_65_to_127_pkts"},
 	{"rx_128_255_pkts"},
 	{"rx_256_511_pkts"},
 	{"rx_512_to_1023_pkts"},
 	{"rx_1024_to_1518_pkts"},
 	{"rx_1519_to_max_pkts"},
 	{"rx_len_err_pkts"},
 	{"tx_cbfc_pause_frames0"},
 	{"tx_cbfc_pause_frames1"},
 	{"tx_cbfc_pause_frames2"},
 	{"tx_cbfc_pause_frames3"},
 	{"tx_cbfc_pause_frames4"},
 	{"tx_cbfc_pause_frames5"},
 	{"tx_cbfc_pause_frames6"},
 	{"tx_cbfc_pause_frames7"},
 	{"rx_cbfc_pause_frames0"},
 	{"rx_cbfc_pause_frames1"},
 	{"rx_cbfc_pause_frames2"},
 	{"rx_cbfc_pause_frames3"},
 	{"rx_cbfc_pause_frames4"},
 	{"rx_cbfc_pause_frames5"},
 	{"rx_cbfc_pause_frames6"},
 	{"rx_cbfc_pause_frames7"},
 	{"rx_nic_fifo_drop"},
 };

 static void ql_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
 {
 	switch (stringset) {
 	case ETH_SS_STATS:
 		memcpy(buf, ql_stats_str_arr, sizeof(ql_stats_str_arr));
 		break;
 	}
 }

 static int ql_get_sset_count(struct net_device *dev, int sset)
 {
 	switch (sset) {
 	case ETH_SS_TEST:
 		return QLGE_TEST_LEN;
 	case ETH_SS_STATS:
 		return ARRAY_SIZE(ql_stats_str_arr);
 	default:
 		return -EOPNOTSUPP;
 	}
 }

 static void
 ql_get_ethtool_stats(struct net_device *ndev,
 		     struct ethtool_stats *stats, u64 *data)
 {
 	struct ql_adapter *qdev = netdev_priv(ndev);
 	struct nic_stats *s = &qdev->nic_stats;

 	ql_update_stats(qdev);

 	*data++ = s->tx_pkts;
 	*data++ = s->tx_bytes;
 	*data++ = s->tx_mcast_pkts;
 	*data++ = s->tx_bcast_pkts;
 	*data++ = s->tx_ucast_pkts;
 	*data++ = s->tx_ctl_pkts;
 	*data++ = s->tx_pause_pkts;
 	*data++ = s->tx_64_pkt;
 	*data++ = s->tx_65_to_127_pkt;
 	*data++ = s->tx_128_to_255_pkt;
 	*data++ = s->tx_256_511_pkt;
 	*data++ = s->tx_512_to_1023_pkt;
 	*data++ = s->tx_1024_to_1518_pkt;
 	*data++ = s->tx_1519_to_max_pkt;
 	*data++ = s->tx_undersize_pkt;
 	*data++ = s->tx_oversize_pkt;
 	*data++ = s->rx_bytes;
 	*data++ = s->rx_bytes_ok;
 	*data++ = s->rx_pkts;
 	*data++ = s->rx_pkts_ok;
 	*data++ = s->rx_bcast_pkts;
 	*data++ = s->rx_mcast_pkts;
 	*data++ = s->rx_ucast_pkts;
 	*data++ = s->rx_undersize_pkts;
 	*data++ = s->rx_oversize_pkts;
 	*data++ = s->rx_jabber_pkts;
 	*data++ = s->rx_undersize_fcerr_pkts;
 	*data++ = s->rx_drop_events;
 	*data++ = s->rx_fcerr_pkts;
 	*data++ = s->rx_align_err;
 	*data++ = s->rx_symbol_err;
 	*data++ = s->rx_mac_err;
 	*data++ = s->rx_ctl_pkts;
 	*data++ = s->rx_pause_pkts;
 	*data++ = s->rx_64_pkts;
 	*data++ = s->rx_65_to_127_pkts;
 	*data++ = s->rx_128_255_pkts;
 	*data++ = s->rx_256_511_pkts;
 	*data++ = s->rx_512_to_1023_pkts;
 	*data++ = s->rx_1024_to_1518_pkts;
 	*data++ = s->rx_1519_to_max_pkts;
 	*data++ = s->rx_len_err_pkts;
 	*data++ = s->tx_cbfc_pause_frames0;
 	*data++ = s->tx_cbfc_pause_frames1;
 	*data++ = s->tx_cbfc_pause_frames2;
 	*data++ = s->tx_cbfc_pause_frames3;
 	*data++ = s->tx_cbfc_pause_frames4;
 	*data++ = s->tx_cbfc_pause_frames5;
 	*data++ = s->tx_cbfc_pause_frames6;
 	*data++ = s->tx_cbfc_pause_frames7;
 	*data++ = s->rx_cbfc_pause_frames0;
 	*data++ = s->rx_cbfc_pause_frames1;
 	*data++ = s->rx_cbfc_pause_frames2;
 	*data++ = s->rx_cbfc_pause_frames3;
 	*data++ = s->rx_cbfc_pause_frames4;
 	*data++ = s->rx_cbfc_pause_frames5;
 	*data++ = s->rx_cbfc_pause_frames6;
 	*data++ = s->rx_cbfc_pause_frames7;
 	*data++ = s->rx_nic_fifo_drop;
 }

 static int ql_get_settings(struct net_device *ndev,
 			      struct ethtool_cmd *ecmd)
 {
 	struct ql_adapter *qdev = netdev_priv(ndev);

 	ecmd->supported = SUPPORTED_10000baseT_Full;
 	ecmd->advertising = ADVERTISED_10000baseT_Full;
 	ecmd->autoneg = AUTONEG_ENABLE;
 	ecmd->transceiver = XCVR_EXTERNAL;
 	if ((qdev->link_status & STS_LINK_TYPE_MASK) ==
 				STS_LINK_TYPE_10GBASET) {
 		ecmd->supported |= (SUPPORTED_TP | SUPPORTED_Autoneg);
 		ecmd->advertising |= (ADVERTISED_TP | ADVERTISED_Autoneg);
 		ecmd->port = PORT_TP;
 	} else {
 		ecmd->supported |= SUPPORTED_FIBRE;
 		ecmd->advertising |= ADVERTISED_FIBRE;
 		ecmd->port = PORT_FIBRE;
 	}

 	ethtool_cmd_speed_set(ecmd, SPEED_10000);
 	ecmd->duplex = DUPLEX_FULL;

 	return 0;
 }

 static void ql_get_drvinfo(struct net_device *ndev,
 			   struct ethtool_drvinfo *drvinfo)
 {
 	struct ql_adapter *qdev = netdev_priv(ndev);
 	strlcpy(drvinfo->driver, qlge_driver_name, sizeof(drvinfo->driver));
 	strlcpy(drvinfo->version, qlge_driver_version,
 		sizeof(drvinfo->version));
 	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 		 "v%d.%d.%d",
 		 (qdev->fw_rev_id & 0x00ff0000) >> 16,
 		 (qdev->fw_rev_id & 0x0000ff00) >> 8,
 		 (qdev->fw_rev_id & 0x000000ff));
 	strlcpy(drvinfo->bus_info, pci_name(qdev->pdev),
 		sizeof(drvinfo->bus_info));
 	drvinfo->n_stats = 0;
 	drvinfo->testinfo_len = 0;
 	if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
 		drvinfo->regdump_len = sizeof(struct ql_mpi_coredump);
 	else
 		drvinfo->regdump_len = sizeof(struct ql_reg_dump);
 	drvinfo->eedump_len = 0;
 }

 static void ql_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
 {
 	struct ql_adapter *qdev = netdev_priv(ndev);
 	/* What we support. */
 	wol->supported = WAKE_MAGIC;
 	/* What we've currently got set. */
 	wol->wolopts = qdev->wol;
 }

 static int ql_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
 {
 	struct ql_adapter *qdev = netdev_priv(ndev);
 	int status;

 	if (wol->wolopts & ~WAKE_MAGIC)
 		return -EINVAL;
 	qdev->wol = wol->wolopts;

 	netif_info(qdev, drv, qdev->ndev, "Set wol option 0x%x\n", qdev->wol);
 	if (!qdev->wol) {
 		u32 wol = 0;
 		status = ql_mb_wol_mode(qdev, wol);
 		netif_err(qdev, drv, qdev->ndev, "WOL %s (wol code 0x%x)\n",
 			  status == 0 ? "cleared successfully" : "clear failed",
 			  wol);
 	}

 	return 0;
 }

 static int ql_set_phys_id(struct net_device *ndev,
 			  enum ethtool_phys_id_state state)

 {
 	struct ql_adapter *qdev = netdev_priv(ndev);

 	switch (state) {
 	case ETHTOOL_ID_ACTIVE:
 		/* Save the current LED settings */
 		if (ql_mb_get_led_cfg(qdev))
 			return -EIO;

 		/* Start blinking */
 		ql_mb_set_led_cfg(qdev, QL_LED_BLINK);
 		return 0;

 	case ETHTOOL_ID_INACTIVE:
 		/* Restore LED settings */
 		if (ql_mb_set_led_cfg(qdev, qdev->led_config))
 			return -EIO;
 		return 0;

 	default:
 		return -EINVAL;
 	}
 }

 static int ql_start_loopback(struct ql_adapter *qdev)
 {
 	if (netif_carrier_ok(qdev->ndev)) {
 		set_bit(QL_LB_LINK_UP, &qdev->flags);
 		netif_carrier_off(qdev->ndev);
 	} else
 		clear_bit(QL_LB_LINK_UP, &qdev->flags);
 	qdev->link_config |= CFG_LOOPBACK_PCS;
 	return ql_mb_set_port_cfg(qdev);
 }

 static void ql_stop_loopback(struct ql_adapter *qdev)
 {
 	qdev->link_config &= ~CFG_LOOPBACK_PCS;
 	ql_mb_set_port_cfg(qdev);
 	if (test_bit(QL_LB_LINK_UP, &qdev->flags)) {
 		netif_carrier_on(qdev->ndev);
 		clear_bit(QL_LB_LINK_UP, &qdev->flags);
 	}
 }

 static void ql_create_lb_frame(struct sk_buff *skb,
 					unsigned int frame_size)
 {
 	memset(skb->data, 0xFF, frame_size);
 	frame_size &= ~1;
 	memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
 	memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
 	memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
 }

 void ql_check_lb_frame(struct ql_adapter *qdev,
 					struct sk_buff *skb)
 {
 	unsigned int frame_size = skb->len;

 	if ((*(skb->data + 3) == 0xFF) &&
 		(*(skb->data + frame_size / 2 + 10) == 0xBE) &&
 		(*(skb->data + frame_size / 2 + 12) == 0xAF)) {
 			atomic_dec(&qdev->lb_count);
 			return;
 	}
 }

 static int ql_run_loopback_test(struct ql_adapter *qdev)
 {
 	int i;
 	netdev_tx_t rc;
 	struct sk_buff *skb;
 	unsigned int size = SMALL_BUF_MAP_SIZE;

 	for (i = 0; i < 64; i++) {
 		skb = netdev_alloc_skb(qdev->ndev, size);
 		if (!skb)
 			return -ENOMEM;

 		skb->queue_mapping = 0;
 		skb_put(skb, size);
 		ql_create_lb_frame(skb, size);
 		rc = ql_lb_send(skb, qdev->ndev);
 		if (rc != NETDEV_TX_OK)
 			return -EPIPE;
 		atomic_inc(&qdev->lb_count);
 	}
 	/* Give queue time to settle before testing results. */
 	msleep(2);
 	ql_clean_lb_rx_ring(&qdev->rx_ring[0], 128);
 	return atomic_read(&qdev->lb_count) ? -EIO : 0;
 }

 static int ql_loopback_test(struct ql_adapter *qdev, u64 *data)
 {
 	*data = ql_start_loopback(qdev);
 	if (*data)
 		goto out;
 	*data = ql_run_loopback_test(qdev);
 out:
 	ql_stop_loopback(qdev);
 	return *data;
 }

 static void ql_self_test(struct net_device *ndev,
 				struct ethtool_test *eth_test, u64 *data)
 {
 	struct ql_adapter *qdev = netdev_priv(ndev);

 	if (netif_running(ndev)) {
 		set_bit(QL_SELFTEST, &qdev->flags);
 		if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
 			/* Offline tests */
 			if (ql_loopback_test(qdev, &data[0]))
 				eth_test->flags |= ETH_TEST_FL_FAILED;

 		} else {
 			/* Online tests */
 			data[0] = 0;
 		}
 		clear_bit(QL_SELFTEST, &qdev->flags);
 		/* Give link time to come up after
 		 * port configuration changes.
 		 */
 		msleep_interruptible(4 * 1000);
 	} else {
 		netif_err(qdev, drv, qdev->ndev,
 			  "is down, Loopback test will fail.\n");
 		eth_test->flags |= ETH_TEST_FL_FAILED;
 	}
 }

 static int ql_get_regs_len(struct net_device *ndev)
 {
 	struct ql_adapter *qdev = netdev_priv(ndev);

 	if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
 		return sizeof(struct ql_mpi_coredump);
 	else
 		return sizeof(struct ql_reg_dump);
 }

 static void ql_get_regs(struct net_device *ndev,
 			struct ethtool_regs *regs, void *p)
 {
 	struct ql_adapter *qdev = netdev_priv(ndev);

 	ql_get_dump(qdev, p);
 	qdev->core_is_dumped = 0;
 	if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
 		regs->len = sizeof(struct ql_mpi_coredump);
 	else
 		regs->len = sizeof(struct ql_reg_dump);
 }

 static int ql_get_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
 {
 	struct ql_adapter *qdev = netdev_priv(dev);

 	c->rx_coalesce_usecs = qdev->rx_coalesce_usecs;
 	c->tx_coalesce_usecs = qdev->tx_coalesce_usecs;

 	/* This chip coalesces as follows:
 	 * If a packet arrives, hold off interrupts until
 	 * cqicb->int_delay expires, but if no other packets arrive don't
 	 * wait longer than cqicb->pkt_int_delay. But ethtool doesn't use a
 	 * timer to coalesce on a frame basis.  So, we have to take ethtool's
 	 * max_coalesced_frames value and convert it to a delay in microseconds.
 	 * We do this by using a basic thoughput of 1,000,000 frames per
 	 * second @ (1024 bytes).  This means one frame per usec. So it's a
 	 * simple one to one ratio.
 	 */
 	c->rx_max_coalesced_frames = qdev->rx_max_coalesced_frames;
 	c->tx_max_coalesced_frames = qdev->tx_max_coalesced_frames;

 	return 0;
 }

 static int ql_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *c)
 {
 	struct ql_adapter *qdev = netdev_priv(ndev);

 	/* Validate user parameters. */
 	if (c->rx_coalesce_usecs > qdev->rx_ring_size / 2)
 		return -EINVAL;
        /* Don't wait more than 10 usec. */
 	if (c->rx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
 		return -EINVAL;
 	if (c->tx_coalesce_usecs > qdev->tx_ring_size / 2)
 		return -EINVAL;
 	if (c->tx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
 		return -EINVAL;

 	/* Verify a change took place before updating the hardware. */
 	if (qdev->rx_coalesce_usecs == c->rx_coalesce_usecs &&
 	    qdev->tx_coalesce_usecs == c->tx_coalesce_usecs &&
 	    qdev->rx_max_coalesced_frames == c->rx_max_coalesced_frames &&
 	    qdev->tx_max_coalesced_frames == c->tx_max_coalesced_frames)
 		return 0;

 	qdev->rx_coalesce_usecs = c->rx_coalesce_usecs;
 	qdev->tx_coalesce_usecs = c->tx_coalesce_usecs;
 	qdev->rx_max_coalesced_frames = c->rx_max_coalesced_frames;
 	qdev->tx_max_coalesced_frames = c->tx_max_coalesced_frames;

 	return ql_update_ring_coalescing(qdev);
 }

 static void ql_get_pauseparam(struct net_device *netdev,
 			struct ethtool_pauseparam *pause)
 {
 	struct ql_adapter *qdev = netdev_priv(netdev);

 	ql_mb_get_port_cfg(qdev);
 	if (qdev->link_config & CFG_PAUSE_STD) {
 		pause->rx_pause = 1;
 		pause->tx_pause = 1;
 	}
 }

 static int ql_set_pauseparam(struct net_device *netdev,
 			struct ethtool_pauseparam *pause)
 {
 	struct ql_adapter *qdev = netdev_priv(netdev);
 	int status = 0;

 	if ((pause->rx_pause) && (pause->tx_pause))
 		qdev->link_config |= CFG_PAUSE_STD;
 	else if (!pause->rx_pause && !pause->tx_pause)
 		qdev->link_config &= ~CFG_PAUSE_STD;
 	else
 		return -EINVAL;

 	status = ql_mb_set_port_cfg(qdev);
 	return status;
 }

 static u32 ql_get_msglevel(struct net_device *ndev)
 {
 	struct ql_adapter *qdev = netdev_priv(ndev);
 	return qdev->msg_enable;
 }

 static void ql_set_msglevel(struct net_device *ndev, u32 value)
 {
 	struct ql_adapter *qdev = netdev_priv(ndev);
 	qdev->msg_enable = value;
 }

 const struct ethtool_ops qlge_ethtool_ops = {
 	.get_settings = ql_get_settings,
 	.get_drvinfo = ql_get_drvinfo,
 	.get_wol = ql_get_wol,
 	.set_wol = ql_set_wol,
 	.get_regs_len	= ql_get_regs_len,
 	.get_regs = ql_get_regs,
 	.get_msglevel = ql_get_msglevel,
 	.set_msglevel = ql_set_msglevel,
 	.get_link = ethtool_op_get_link,
 	.set_phys_id		 = ql_set_phys_id,
 	.self_test		 = ql_self_test,
 	.get_pauseparam		 = ql_get_pauseparam,
 	.set_pauseparam		 = ql_set_pauseparam,
 	.get_coalesce = ql_get_coalesce,
 	.set_coalesce = ql_set_coalesce,
 	.get_sset_count = ql_get_sset_count,
 	.get_strings = ql_get_strings,
 	.get_ethtool_stats = ql_get_ethtool_stats,
 };
	#include <linux/kernel.h>
	#include <linux/init.h>
	#include <linux/types.h>
	#include <linux/module.h>
	#include <linux/list.h>
	#include <linux/pci.h>
	#include <linux/dma-mapping.h>
	#include <linux/pagemap.h>
	#include <linux/sched.h>
	#include <linux/dmapool.h>
	#include <linux/mempool.h>
	#include <linux/spinlock.h>
	#include <linux/kthread.h>
	#include <linux/interrupt.h>
	#include <linux/errno.h>
	#include <linux/ioport.h>
	#include <linux/in.h>
	#include <linux/ip.h>
	#include <linux/ipv6.h>
	#include <net/ipv6.h>
	#include <linux/tcp.h>
	#include <linux/udp.h>
	#include <linux/if_arp.h>
	#include <linux/if_ether.h>
	#include <linux/netdevice.h>
	#include <linux/etherdevice.h>
	#include <linux/ethtool.h>
	#include <linux/skbuff.h>
	#include <linux/rtnetlink.h>
	#include <linux/if_vlan.h>
	#include <linux/delay.h>
	#include <linux/mm.h>
	#include <linux/vmalloc.h>


	#include "qlge.h"

	static const char ql_gstrings_test[][ETH_GSTRING_LEN] = {
	"Loopback test (offline)"
	};
	#define QLGE_TEST_LEN (sizeof(ql_gstrings_test) / ETH_GSTRING_LEN)

	static int ql_update_ring_coalescing(struct ql_adapter *qdev)
	{
	int i, status = 0;
	struct rx_ring *rx_ring;
	struct cqicb *cqicb;

	if (!netif_running(qdev->ndev))
	return status;

	/* Skip the default queue, and update the outbound handler
	* queues if they changed.
	*/
	cqicb = (struct cqicb *)&qdev->rx_ring[qdev->rss_ring_count];
	if (le16_to_cpu(cqicb->irq_delay) != qdev->tx_coalesce_usecs \|\|
	le16_to_cpu(cqicb->pkt_delay) !=
	qdev->tx_max_coalesced_frames) {
	for (i = qdev->rss_ring_count; i < qdev->rx_ring_count; i++) {
	rx_ring = &qdev->rx_ring[i];
	cqicb = (struct cqicb *)rx_ring;
	cqicb->irq_delay = cpu_to_le16(qdev->tx_coalesce_usecs);
	cqicb->pkt_delay =
	cpu_to_le16(qdev->tx_max_coalesced_frames);
	cqicb->flags = FLAGS_LI;
	status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb),
	CFG_LCQ, rx_ring->cq_id);
	if (status) {
	netif_err(qdev, ifup, qdev->ndev,
	"Failed to load CQICB.\n");
	goto exit;
	}
	}
	}

	/* Update the inbound (RSS) handler queues if they changed. */
	cqicb = (struct cqicb *)&qdev->rx_ring[0];
	if (le16_to_cpu(cqicb->irq_delay) != qdev->rx_coalesce_usecs \|\|
	le16_to_cpu(cqicb->pkt_delay) !=
	qdev->rx_max_coalesced_frames) {
	for (i = 0; i < qdev->rss_ring_count; i++, rx_ring++) {
	rx_ring = &qdev->rx_ring[i];
	cqicb = (struct cqicb *)rx_ring;
	cqicb->irq_delay = cpu_to_le16(qdev->rx_coalesce_usecs);
	cqicb->pkt_delay =
	cpu_to_le16(qdev->rx_max_coalesced_frames);
	cqicb->flags = FLAGS_LI;
	status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb),
	CFG_LCQ, rx_ring->cq_id);
	if (status) {
	netif_err(qdev, ifup, qdev->ndev,
	"Failed to load CQICB.\n");
	goto exit;
	}
	}
	}
	exit:
	return status;
	}

	static void ql_update_stats(struct ql_adapter *qdev)
	{
	u32 i;
	u64 data;
	u64 *iter = &qdev->nic_stats.tx_pkts;

	spin_lock(&qdev->stats_lock);
	if (ql_sem_spinlock(qdev, qdev->xg_sem_mask)) {
	netif_err(qdev, drv, qdev->ndev,
	"Couldn't get xgmac sem.\n");
	goto quit;
	}
	/*
	* Get TX statistics.
	*/
	for (i = 0x200; i < 0x280; i += 8) {
	if (ql_read_xgmac_reg64(qdev, i, &data)) {
	netif_err(qdev, drv, qdev->ndev,
	"Error reading status register 0x%.04x.\n",
	i);
	goto end;
	} else
	*iter = data;
	iter++;
	}

	/*
	* Get RX statistics.
	*/
	for (i = 0x300; i < 0x3d0; i += 8) {
	if (ql_read_xgmac_reg64(qdev, i, &data)) {
	netif_err(qdev, drv, qdev->ndev,
	"Error reading status register 0x%.04x.\n",
	i);
	goto end;
	} else
	*iter = data;
	iter++;
	}

	/*
	* Get Per-priority TX pause frame counter statistics.
	*/
	for (i = 0x500; i < 0x540; i += 8) {
	if (ql_read_xgmac_reg64(qdev, i, &data)) {
	netif_err(qdev, drv, qdev->ndev,
	"Error reading status register 0x%.04x.\n",
	i);
	goto end;
	} else
	*iter = data;
	iter++;
	}

	/*
	* Get Per-priority RX pause frame counter statistics.
	*/
	for (i = 0x568; i < 0x5a8; i += 8) {
	if (ql_read_xgmac_reg64(qdev, i, &data)) {
	netif_err(qdev, drv, qdev->ndev,
	"Error reading status register 0x%.04x.\n",
	i);
	goto end;
	} else
	*iter = data;
	iter++;
	}

	/*
	* Get RX NIC FIFO DROP statistics.
	*/
	if (ql_read_xgmac_reg64(qdev, 0x5b8, &data)) {
	netif_err(qdev, drv, qdev->ndev,
	"Error reading status register 0x%.04x.\n", i);
	goto end;
	} else
	*iter = data;
	end:
	ql_sem_unlock(qdev, qdev->xg_sem_mask);
	quit:
	spin_unlock(&qdev->stats_lock);

	QL_DUMP_STAT(qdev);
	}

	static char ql_stats_str_arr[][ETH_GSTRING_LEN] = {
	{"tx_pkts"},
	{"tx_bytes"},
	{"tx_mcast_pkts"},
	{"tx_bcast_pkts"},
	{"tx_ucast_pkts"},
	{"tx_ctl_pkts"},
	{"tx_pause_pkts"},
	{"tx_64_pkts"},
	{"tx_65_to_127_pkts"},
	{"tx_128_to_255_pkts"},
	{"tx_256_511_pkts"},
	{"tx_512_to_1023_pkts"},
	{"tx_1024_to_1518_pkts"},
	{"tx_1519_to_max_pkts"},
	{"tx_undersize_pkts"},
	{"tx_oversize_pkts"},
	{"rx_bytes"},
	{"rx_bytes_ok"},
	{"rx_pkts"},
	{"rx_pkts_ok"},
	{"rx_bcast_pkts"},
	{"rx_mcast_pkts"},
	{"rx_ucast_pkts"},
	{"rx_undersize_pkts"},
	{"rx_oversize_pkts"},
	{"rx_jabber_pkts"},
	{"rx_undersize_fcerr_pkts"},
	{"rx_drop_events"},
	{"rx_fcerr_pkts"},
	{"rx_align_err"},
	{"rx_symbol_err"},
	{"rx_mac_err"},
	{"rx_ctl_pkts"},
	{"rx_pause_pkts"},
	{"rx_64_pkts"},
	{"rx_65_to_127_pkts"},
	{"rx_128_255_pkts"},
	{"rx_256_511_pkts"},
	{"rx_512_to_1023_pkts"},
	{"rx_1024_to_1518_pkts"},
	{"rx_1519_to_max_pkts"},
	{"rx_len_err_pkts"},
	{"tx_cbfc_pause_frames0"},
	{"tx_cbfc_pause_frames1"},
	{"tx_cbfc_pause_frames2"},
	{"tx_cbfc_pause_frames3"},
	{"tx_cbfc_pause_frames4"},
	{"tx_cbfc_pause_frames5"},
	{"tx_cbfc_pause_frames6"},
	{"tx_cbfc_pause_frames7"},
	{"rx_cbfc_pause_frames0"},
	{"rx_cbfc_pause_frames1"},
	{"rx_cbfc_pause_frames2"},
	{"rx_cbfc_pause_frames3"},
	{"rx_cbfc_pause_frames4"},
	{"rx_cbfc_pause_frames5"},
	{"rx_cbfc_pause_frames6"},
	{"rx_cbfc_pause_frames7"},
	{"rx_nic_fifo_drop"},
	};

	static void ql_get_strings(struct net_device dev, u32 stringset, u8 buf)
	{
	switch (stringset) {
	case ETH_SS_STATS:
	memcpy(buf, ql_stats_str_arr, sizeof(ql_stats_str_arr));
	break;
	}
	}

	static int ql_get_sset_count(struct net_device *dev, int sset)
	{
	switch (sset) {
	case ETH_SS_TEST:
	return QLGE_TEST_LEN;
	case ETH_SS_STATS:
	return ARRAY_SIZE(ql_stats_str_arr);
	default:
	return -EOPNOTSUPP;
	}
	}

	static void
	ql_get_ethtool_stats(struct net_device *ndev,
	struct ethtool_stats stats, u64 data)
	{
	struct ql_adapter *qdev = netdev_priv(ndev);
	struct nic_stats *s = &qdev->nic_stats;

	ql_update_stats(qdev);

	*data++ = s->tx_pkts;
	*data++ = s->tx_bytes;
	*data++ = s->tx_mcast_pkts;
	*data++ = s->tx_bcast_pkts;
	*data++ = s->tx_ucast_pkts;
	*data++ = s->tx_ctl_pkts;
	*data++ = s->tx_pause_pkts;
	*data++ = s->tx_64_pkt;
	*data++ = s->tx_65_to_127_pkt;
	*data++ = s->tx_128_to_255_pkt;
	*data++ = s->tx_256_511_pkt;
	*data++ = s->tx_512_to_1023_pkt;
	*data++ = s->tx_1024_to_1518_pkt;
	*data++ = s->tx_1519_to_max_pkt;
	*data++ = s->tx_undersize_pkt;
	*data++ = s->tx_oversize_pkt;
	*data++ = s->rx_bytes;
	*data++ = s->rx_bytes_ok;
	*data++ = s->rx_pkts;
	*data++ = s->rx_pkts_ok;
	*data++ = s->rx_bcast_pkts;
	*data++ = s->rx_mcast_pkts;
	*data++ = s->rx_ucast_pkts;
	*data++ = s->rx_undersize_pkts;
	*data++ = s->rx_oversize_pkts;
	*data++ = s->rx_jabber_pkts;
	*data++ = s->rx_undersize_fcerr_pkts;
	*data++ = s->rx_drop_events;
	*data++ = s->rx_fcerr_pkts;
	*data++ = s->rx_align_err;
	*data++ = s->rx_symbol_err;
	*data++ = s->rx_mac_err;
	*data++ = s->rx_ctl_pkts;
	*data++ = s->rx_pause_pkts;
	*data++ = s->rx_64_pkts;
	*data++ = s->rx_65_to_127_pkts;
	*data++ = s->rx_128_255_pkts;
	*data++ = s->rx_256_511_pkts;
	*data++ = s->rx_512_to_1023_pkts;
	*data++ = s->rx_1024_to_1518_pkts;
	*data++ = s->rx_1519_to_max_pkts;
	*data++ = s->rx_len_err_pkts;
	*data++ = s->tx_cbfc_pause_frames0;
	*data++ = s->tx_cbfc_pause_frames1;
	*data++ = s->tx_cbfc_pause_frames2;
	*data++ = s->tx_cbfc_pause_frames3;
	*data++ = s->tx_cbfc_pause_frames4;
	*data++ = s->tx_cbfc_pause_frames5;
	*data++ = s->tx_cbfc_pause_frames6;
	*data++ = s->tx_cbfc_pause_frames7;
	*data++ = s->rx_cbfc_pause_frames0;
	*data++ = s->rx_cbfc_pause_frames1;
	*data++ = s->rx_cbfc_pause_frames2;
	*data++ = s->rx_cbfc_pause_frames3;
	*data++ = s->rx_cbfc_pause_frames4;
	*data++ = s->rx_cbfc_pause_frames5;
	*data++ = s->rx_cbfc_pause_frames6;
	*data++ = s->rx_cbfc_pause_frames7;
	*data++ = s->rx_nic_fifo_drop;
	}

	static int ql_get_settings(struct net_device *ndev,
	struct ethtool_cmd *ecmd)
	{
	struct ql_adapter *qdev = netdev_priv(ndev);

	ecmd->supported = SUPPORTED_10000baseT_Full;
	ecmd->advertising = ADVERTISED_10000baseT_Full;
	ecmd->autoneg = AUTONEG_ENABLE;
	ecmd->transceiver = XCVR_EXTERNAL;
	if ((qdev->link_status & STS_LINK_TYPE_MASK) ==
	STS_LINK_TYPE_10GBASET) {
	ecmd->supported \|= (SUPPORTED_TP \| SUPPORTED_Autoneg);
	ecmd->advertising \|= (ADVERTISED_TP \| ADVERTISED_Autoneg);
	ecmd->port = PORT_TP;
	} else {
	ecmd->supported \|= SUPPORTED_FIBRE;
	ecmd->advertising \|= ADVERTISED_FIBRE;
	ecmd->port = PORT_FIBRE;
	}

	ethtool_cmd_speed_set(ecmd, SPEED_10000);
	ecmd->duplex = DUPLEX_FULL;

	return 0;
	}

	static void ql_get_drvinfo(struct net_device *ndev,
	struct ethtool_drvinfo *drvinfo)
	{
	struct ql_adapter *qdev = netdev_priv(ndev);
	strlcpy(drvinfo->driver, qlge_driver_name, sizeof(drvinfo->driver));
	strlcpy(drvinfo->version, qlge_driver_version,
	sizeof(drvinfo->version));
	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
	"v%d.%d.%d",
	(qdev->fw_rev_id & 0x00ff0000) >> 16,
	(qdev->fw_rev_id & 0x0000ff00) >> 8,
	(qdev->fw_rev_id & 0x000000ff));
	strlcpy(drvinfo->bus_info, pci_name(qdev->pdev),
	sizeof(drvinfo->bus_info));
	drvinfo->n_stats = 0;
	drvinfo->testinfo_len = 0;
	if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
	drvinfo->regdump_len = sizeof(struct ql_mpi_coredump);
	else
	drvinfo->regdump_len = sizeof(struct ql_reg_dump);
	drvinfo->eedump_len = 0;
	}

	static void ql_get_wol(struct net_device ndev, struct ethtool_wolinfo wol)
	{
	struct ql_adapter *qdev = netdev_priv(ndev);
	/* What we support. */
	wol->supported = WAKE_MAGIC;
	/* What we've currently got set. */
	wol->wolopts = qdev->wol;
	}

	static int ql_set_wol(struct net_device ndev, struct ethtool_wolinfo wol)
	{
	struct ql_adapter *qdev = netdev_priv(ndev);
	int status;

	if (wol->wolopts & ~WAKE_MAGIC)
	return -EINVAL;
	qdev->wol = wol->wolopts;

	netif_info(qdev, drv, qdev->ndev, "Set wol option 0x%x\n", qdev->wol);
	if (!qdev->wol) {
	u32 wol = 0;
	status = ql_mb_wol_mode(qdev, wol);
	netif_err(qdev, drv, qdev->ndev, "WOL %s (wol code 0x%x)\n",
	status == 0 ? "cleared successfully" : "clear failed",
	wol);
	}

	return 0;
	}

	static int ql_set_phys_id(struct net_device *ndev,
	enum ethtool_phys_id_state state)

	{
	struct ql_adapter *qdev = netdev_priv(ndev);

	switch (state) {
	case ETHTOOL_ID_ACTIVE:
	/* Save the current LED settings */
	if (ql_mb_get_led_cfg(qdev))
	return -EIO;

	/* Start blinking */
	ql_mb_set_led_cfg(qdev, QL_LED_BLINK);
	return 0;

	case ETHTOOL_ID_INACTIVE:
	/* Restore LED settings */
	if (ql_mb_set_led_cfg(qdev, qdev->led_config))
	return -EIO;
	return 0;

	default:
	return -EINVAL;
	}
	}

	static int ql_start_loopback(struct ql_adapter *qdev)
	{
	if (netif_carrier_ok(qdev->ndev)) {
	set_bit(QL_LB_LINK_UP, &qdev->flags);
	netif_carrier_off(qdev->ndev);
	} else
	clear_bit(QL_LB_LINK_UP, &qdev->flags);
	qdev->link_config \|= CFG_LOOPBACK_PCS;
	return ql_mb_set_port_cfg(qdev);
	}

	static void ql_stop_loopback(struct ql_adapter *qdev)
	{
	qdev->link_config &= ~CFG_LOOPBACK_PCS;
	ql_mb_set_port_cfg(qdev);
	if (test_bit(QL_LB_LINK_UP, &qdev->flags)) {
	netif_carrier_on(qdev->ndev);
	clear_bit(QL_LB_LINK_UP, &qdev->flags);
	}
	}

	static void ql_create_lb_frame(struct sk_buff *skb,
	unsigned int frame_size)
	{
	memset(skb->data, 0xFF, frame_size);
	frame_size &= ~1;
	memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
	memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
	memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
	}

	void ql_check_lb_frame(struct ql_adapter *qdev,
	struct sk_buff *skb)
	{
	unsigned int frame_size = skb->len;

	if ((*(skb->data + 3) == 0xFF) &&
	(*(skb->data + frame_size / 2 + 10) == 0xBE) &&
	(*(skb->data + frame_size / 2 + 12) == 0xAF)) {
	atomic_dec(&qdev->lb_count);
	return;
	}
	}

	static int ql_run_loopback_test(struct ql_adapter *qdev)
	{
	int i;
	netdev_tx_t rc;
	struct sk_buff *skb;
	unsigned int size = SMALL_BUF_MAP_SIZE;

	for (i = 0; i < 64; i++) {
	skb = netdev_alloc_skb(qdev->ndev, size);
	if (!skb)
	return -ENOMEM;

	skb->queue_mapping = 0;
	skb_put(skb, size);
	ql_create_lb_frame(skb, size);
	rc = ql_lb_send(skb, qdev->ndev);
	if (rc != NETDEV_TX_OK)
	return -EPIPE;
	atomic_inc(&qdev->lb_count);
	}
	/* Give queue time to settle before testing results. */
	msleep(2);
	ql_clean_lb_rx_ring(&qdev->rx_ring[0], 128);
	return atomic_read(&qdev->lb_count) ? -EIO : 0;
	}

	static int ql_loopback_test(struct ql_adapter qdev, u64 data)
	{
	*data = ql_start_loopback(qdev);
	if (*data)
	goto out;
	*data = ql_run_loopback_test(qdev);
	out:
	ql_stop_loopback(qdev);
	return *data;
	}

	static void ql_self_test(struct net_device *ndev,
	struct ethtool_test eth_test, u64 data)
	{
	struct ql_adapter *qdev = netdev_priv(ndev);

	if (netif_running(ndev)) {
	set_bit(QL_SELFTEST, &qdev->flags);
	if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
	/* Offline tests */
	if (ql_loopback_test(qdev, &data[0]))
	eth_test->flags \|= ETH_TEST_FL_FAILED;

	} else {
	/* Online tests */
	data[0] = 0;
	}
	clear_bit(QL_SELFTEST, &qdev->flags);
	/* Give link time to come up after
	* port configuration changes.
	*/
	msleep_interruptible(4 * 1000);
	} else {
	netif_err(qdev, drv, qdev->ndev,
	"is down, Loopback test will fail.\n");
	eth_test->flags \|= ETH_TEST_FL_FAILED;
	}
	}

	static int ql_get_regs_len(struct net_device *ndev)
	{
	struct ql_adapter *qdev = netdev_priv(ndev);

	if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
	return sizeof(struct ql_mpi_coredump);
	else
	return sizeof(struct ql_reg_dump);
	}

	static void ql_get_regs(struct net_device *ndev,
	struct ethtool_regs regs, void p)
	{
	struct ql_adapter *qdev = netdev_priv(ndev);

	ql_get_dump(qdev, p);
	qdev->core_is_dumped = 0;
	if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
	regs->len = sizeof(struct ql_mpi_coredump);
	else
	regs->len = sizeof(struct ql_reg_dump);
	}

	static int ql_get_coalesce(struct net_device dev, struct ethtool_coalesce c)
	{
	struct ql_adapter *qdev = netdev_priv(dev);

	c->rx_coalesce_usecs = qdev->rx_coalesce_usecs;
	c->tx_coalesce_usecs = qdev->tx_coalesce_usecs;

	/* This chip coalesces as follows:
	* If a packet arrives, hold off interrupts until
	* cqicb->int_delay expires, but if no other packets arrive don't
	* wait longer than cqicb->pkt_int_delay. But ethtool doesn't use a
	* timer to coalesce on a frame basis. So, we have to take ethtool's
	* max_coalesced_frames value and convert it to a delay in microseconds.
	* We do this by using a basic thoughput of 1,000,000 frames per
	* second @ (1024 bytes). This means one frame per usec. So it's a
	* simple one to one ratio.
	*/
	c->rx_max_coalesced_frames = qdev->rx_max_coalesced_frames;
	c->tx_max_coalesced_frames = qdev->tx_max_coalesced_frames;

	return 0;
	}

	static int ql_set_coalesce(struct net_device ndev, struct ethtool_coalesce c)
	{
	struct ql_adapter *qdev = netdev_priv(ndev);

	/* Validate user parameters. */
	if (c->rx_coalesce_usecs > qdev->rx_ring_size / 2)
	return -EINVAL;
	/* Don't wait more than 10 usec. */
	if (c->rx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
	return -EINVAL;
	if (c->tx_coalesce_usecs > qdev->tx_ring_size / 2)
	return -EINVAL;
	if (c->tx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
	return -EINVAL;

	/* Verify a change took place before updating the hardware. */
	if (qdev->rx_coalesce_usecs == c->rx_coalesce_usecs &&
	qdev->tx_coalesce_usecs == c->tx_coalesce_usecs &&
	qdev->rx_max_coalesced_frames == c->rx_max_coalesced_frames &&
	qdev->tx_max_coalesced_frames == c->tx_max_coalesced_frames)
	return 0;

	qdev->rx_coalesce_usecs = c->rx_coalesce_usecs;
	qdev->tx_coalesce_usecs = c->tx_coalesce_usecs;
	qdev->rx_max_coalesced_frames = c->rx_max_coalesced_frames;
	qdev->tx_max_coalesced_frames = c->tx_max_coalesced_frames;

	return ql_update_ring_coalescing(qdev);
	}

	static void ql_get_pauseparam(struct net_device *netdev,
	struct ethtool_pauseparam *pause)
	{
	struct ql_adapter *qdev = netdev_priv(netdev);

	ql_mb_get_port_cfg(qdev);
	if (qdev->link_config & CFG_PAUSE_STD) {
	pause->rx_pause = 1;
	pause->tx_pause = 1;
	}
	}

	static int ql_set_pauseparam(struct net_device *netdev,
	struct ethtool_pauseparam *pause)
	{
	struct ql_adapter *qdev = netdev_priv(netdev);
	int status = 0;

	if ((pause->rx_pause) && (pause->tx_pause))
	qdev->link_config \|= CFG_PAUSE_STD;
	else if (!pause->rx_pause && !pause->tx_pause)
	qdev->link_config &= ~CFG_PAUSE_STD;
	else
	return -EINVAL;

	status = ql_mb_set_port_cfg(qdev);
	return status;
	}

	static u32 ql_get_msglevel(struct net_device *ndev)
	{
	struct ql_adapter *qdev = netdev_priv(ndev);
	return qdev->msg_enable;
	}

	static void ql_set_msglevel(struct net_device *ndev, u32 value)
	{
	struct ql_adapter *qdev = netdev_priv(ndev);
	qdev->msg_enable = value;
	}

	const struct ethtool_ops qlge_ethtool_ops = {
	.get_settings = ql_get_settings,
	.get_drvinfo = ql_get_drvinfo,
	.get_wol = ql_get_wol,
	.set_wol = ql_set_wol,
	.get_regs_len = ql_get_regs_len,
	.get_regs = ql_get_regs,
	.get_msglevel = ql_get_msglevel,
	.set_msglevel = ql_set_msglevel,
	.get_link = ethtool_op_get_link,
	.set_phys_id = ql_set_phys_id,
	.self_test = ql_self_test,
	.get_pauseparam = ql_get_pauseparam,
	.set_pauseparam = ql_set_pauseparam,
	.get_coalesce = ql_get_coalesce,
	.set_coalesce = ql_set_coalesce,
	.get_sset_count = ql_get_sset_count,
	.get_strings = ql_get_strings,
	.get_ethtool_stats = ql_get_ethtool_stats,
	};