* file called COPYING.
*
* Contact Information:
- * Xiong Huang <xiong_huang@attansic.com>
- * Attansic Technology Corp. 3F 147, Xianzheng 9th Road, Zhubei,
- * Xinzhu 302, TAIWAN, REPUBLIC OF CHINA
- *
+ * Xiong Huang <xiong.huang@atheros.com>
+ * Jie Yang <jie.yang@atheros.com>
* Chris Snook <csnook@redhat.com>
* Jay Cliburn <jcliburn@gmail.com>
*
- * This version is adapted from the Attansic reference driver for
- * inclusion in the Linux kernel. It is currently under heavy development.
- * A very incomplete list of things that need to be dealt with:
+ * This version is adapted from the Attansic reference driver.
*
* TODO:
* Add more ethtool functions.
#include "atl1.h"
+#define ATLX_DRIVER_VERSION "2.1.3"
+MODULE_AUTHOR("Xiong Huang <xiong.huang@atheros.com>, \
+ Chris Snook <csnook@redhat.com>, Jay Cliburn <jcliburn@gmail.com>");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(ATLX_DRIVER_VERSION);
+
/* Temporary hack for merging atl1 and atl2 */
#include "atlx.c"
* Default Value: 100 (200us)
*/
static int __devinitdata int_mod_timer[ATL1_MAX_NIC+1] = ATL1_PARAM_INIT;
-static int num_int_mod_timer;
+static unsigned int num_int_mod_timer;
module_param_array_named(int_mod_timer, int_mod_timer, int,
&num_int_mod_timer, 0);
MODULE_PARM_DESC(int_mod_timer, "Interrupt moderator timer");
* value exists, a default value is used. The final value is stored
* in a variable in the adapter structure.
*/
-void __devinit atl1_check_options(struct atl1_adapter *adapter)
+static void __devinit atl1_check_options(struct atl1_adapter *adapter)
{
struct pci_dev *pdev = adapter->pdev;
int bd = adapter->bd_number;
memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN);
return 0;
}
- return 1;
}
/* see if SPI FLAGS exist ? */
* Reads the adapter's MAC address from the EEPROM
* hw - Struct containing variables accessed by shared code
*/
-s32 atl1_read_mac_addr(struct atl1_hw *hw)
+static s32 atl1_read_mac_addr(struct atl1_hw *hw)
{
u16 i;
}
/*
- * Force the PHY into power saving mode using vendor magic.
- */
-#ifdef CONFIG_PM
-static void atl1_phy_enter_power_saving(struct atl1_hw *hw)
-{
- atl1_write_phy_reg(hw, MII_DBG_ADDR, 0);
- atl1_write_phy_reg(hw, MII_DBG_DATA, 0x124E);
- atl1_write_phy_reg(hw, MII_DBG_ADDR, 2);
- atl1_write_phy_reg(hw, MII_DBG_DATA, 0x3000);
- atl1_write_phy_reg(hw, MII_DBG_ADDR, 3);
- atl1_write_phy_reg(hw, MII_DBG_DATA, 0);
-
-}
-#endif
-
-/*
* Resets the PHY and make all config validate
* hw - Struct containing variables accessed by shared code
*
dev_info(&adapter->pdev->dev, "link is down\n");
adapter->link_speed = SPEED_0;
netif_carrier_off(netdev);
- netif_stop_queue(netdev);
}
return 0;
}
if (!netif_carrier_ok(netdev)) {
/* Link down -> Up */
netif_carrier_on(netdev);
- netif_wake_queue(netdev);
}
return 0;
}
/* auto-neg, insert timer to re-config phy */
if (!adapter->phy_timer_pending) {
adapter->phy_timer_pending = true;
- mod_timer(&adapter->phy_config_timer, jiffies + 3 * HZ);
+ mod_timer(&adapter->phy_config_timer,
+ round_jiffies(jiffies + 3 * HZ));
}
return 0;
static void atl1_inc_smb(struct atl1_adapter *adapter)
{
+ struct net_device *netdev = adapter->netdev;
struct stats_msg_block *smb = adapter->smb.smb;
/* Fill out the OS statistics structure */
adapter->soft_stats.tx_trunc += smb->tx_trunc;
adapter->soft_stats.tx_pause += smb->tx_pause;
- adapter->net_stats.rx_packets = adapter->soft_stats.rx_packets;
- adapter->net_stats.tx_packets = adapter->soft_stats.tx_packets;
- adapter->net_stats.rx_bytes = adapter->soft_stats.rx_bytes;
- adapter->net_stats.tx_bytes = adapter->soft_stats.tx_bytes;
- adapter->net_stats.multicast = adapter->soft_stats.multicast;
- adapter->net_stats.collisions = adapter->soft_stats.collisions;
- adapter->net_stats.rx_errors = adapter->soft_stats.rx_errors;
- adapter->net_stats.rx_over_errors =
+ netdev->stats.rx_packets = adapter->soft_stats.rx_packets;
+ netdev->stats.tx_packets = adapter->soft_stats.tx_packets;
+ netdev->stats.rx_bytes = adapter->soft_stats.rx_bytes;
+ netdev->stats.tx_bytes = adapter->soft_stats.tx_bytes;
+ netdev->stats.multicast = adapter->soft_stats.multicast;
+ netdev->stats.collisions = adapter->soft_stats.collisions;
+ netdev->stats.rx_errors = adapter->soft_stats.rx_errors;
+ netdev->stats.rx_over_errors =
adapter->soft_stats.rx_missed_errors;
- adapter->net_stats.rx_length_errors =
+ netdev->stats.rx_length_errors =
adapter->soft_stats.rx_length_errors;
- adapter->net_stats.rx_crc_errors = adapter->soft_stats.rx_crc_errors;
- adapter->net_stats.rx_frame_errors =
+ netdev->stats.rx_crc_errors = adapter->soft_stats.rx_crc_errors;
+ netdev->stats.rx_frame_errors =
adapter->soft_stats.rx_frame_errors;
- adapter->net_stats.rx_fifo_errors = adapter->soft_stats.rx_fifo_errors;
- adapter->net_stats.rx_missed_errors =
+ netdev->stats.rx_fifo_errors = adapter->soft_stats.rx_fifo_errors;
+ netdev->stats.rx_missed_errors =
adapter->soft_stats.rx_missed_errors;
- adapter->net_stats.tx_errors = adapter->soft_stats.tx_errors;
- adapter->net_stats.tx_fifo_errors = adapter->soft_stats.tx_fifo_errors;
- adapter->net_stats.tx_aborted_errors =
+ netdev->stats.tx_errors = adapter->soft_stats.tx_errors;
+ netdev->stats.tx_fifo_errors = adapter->soft_stats.tx_fifo_errors;
+ netdev->stats.tx_aborted_errors =
adapter->soft_stats.tx_aborted_errors;
- adapter->net_stats.tx_window_errors =
+ netdev->stats.tx_window_errors =
adapter->soft_stats.tx_window_errors;
- adapter->net_stats.tx_carrier_errors =
+ netdev->stats.tx_carrier_errors =
adapter->soft_stats.tx_carrier_errors;
}
{
struct pci_dev *pdev = adapter->pdev;
+ /*
+ * The L1 hardware contains a bug that erroneously sets the
+ * PACKET_FLAG_ERR and ERR_FLAG_L4_CHKSUM bits whenever a
+ * fragmented IP packet is received, even though the packet
+ * is perfectly valid and its checksum is correct. There's
+ * no way to distinguish between one of these good packets
+ * and a packet that actually contains a TCP/UDP checksum
+ * error, so all we can do is allow it to be handed up to
+ * the higher layers and let it be sorted out there.
+ */
+
skb->ip_summed = CHECKSUM_NONE;
if (unlikely(rrd->pkt_flg & PACKET_FLAG_ERR)) {
return;
}
- /* IPv4, but hardware thinks its checksum is wrong */
- if (netif_msg_rx_err(adapter))
- dev_printk(KERN_DEBUG, &pdev->dev,
- "hw csum wrong, pkt_flag:%x, err_flag:%x\n",
- rrd->pkt_flg, rrd->err_flg);
- skb->ip_summed = CHECKSUM_COMPLETE;
- skb->csum = htons(rrd->xsz.xsum_sz.rx_chksum);
- adapter->hw_csum_err++;
return;
}
rfd_desc = ATL1_RFD_DESC(rfd_ring, rfd_next_to_use);
- skb = dev_alloc_skb(adapter->rx_buffer_len + NET_IP_ALIGN);
+ skb = netdev_alloc_skb_ip_align(adapter->netdev,
+ adapter->rx_buffer_len);
if (unlikely(!skb)) {
/* Better luck next round */
- adapter->net_stats.rx_dropped++;
+ adapter->netdev->stats.rx_dropped++;
break;
}
- /*
- * Make buffer alignment 2 beyond a 16 byte boundary
- * this will result in a 16 byte aligned IP header after
- * the 14 byte MAC header is removed
- */
- skb_reserve(skb, NET_IP_ALIGN);
-
buffer_info->alloced = 1;
buffer_info->skb = skb;
buffer_info->length = (u16) adapter->rx_buffer_len;
buffer_info->skb = NULL;
buffer_info->alloced = 0;
rrd->xsz.valid = 0;
-
- adapter->netdev->last_rx = jiffies;
}
atomic_set(&rrd_ring->next_to_clean, rrd_next_to_clean);
static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb,
struct tx_packet_desc *ptpd)
{
- /* spinlock held */
u8 hdr_len, ip_off;
u32 real_len;
int err;
static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
struct tx_packet_desc *ptpd)
{
- /* spinlock held */
struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring;
struct atl1_buffer *buffer_info;
u16 buf_len = skb->len;
nr_frags = skb_shinfo(skb)->nr_frags;
next_to_use = atomic_read(&tpd_ring->next_to_use);
buffer_info = &tpd_ring->buffer_info[next_to_use];
- if (unlikely(buffer_info->skb))
- BUG();
+ BUG_ON(buffer_info->skb);
/* put skb in last TPD */
buffer_info->skb = NULL;
ATL1_MAX_TX_BUF_LEN;
for (i = 0; i < nseg; i++) {
buffer_info = &tpd_ring->buffer_info[next_to_use];
- if (unlikely(buffer_info->skb))
- BUG();
+ BUG_ON(buffer_info->skb);
+
buffer_info->skb = NULL;
buffer_info->length = (buf_len > ATL1_MAX_TX_BUF_LEN) ?
ATL1_MAX_TX_BUF_LEN : buf_len;
static void atl1_tx_queue(struct atl1_adapter *adapter, u16 count,
struct tx_packet_desc *ptpd)
{
- /* spinlock held */
struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring;
struct atl1_buffer *buffer_info;
struct tx_packet_desc *tpd;
if (tpd != ptpd)
memcpy(tpd, ptpd, sizeof(struct tx_packet_desc));
tpd->buffer_addr = cpu_to_le64(buffer_info->dma);
- tpd->word2 = (cpu_to_le16(buffer_info->length) &
+ tpd->word2 &= ~(TPD_BUFLEN_MASK << TPD_BUFLEN_SHIFT);
+ tpd->word2 |= (cpu_to_le16(buffer_info->length) &
TPD_BUFLEN_MASK) << TPD_BUFLEN_SHIFT;
/*
atomic_set(&tpd_ring->next_to_use, next_to_use);
}
-static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
+static netdev_tx_t atl1_xmit_frame(struct sk_buff *skb,
+ struct net_device *netdev)
{
struct atl1_adapter *adapter = netdev_priv(netdev);
struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring;
struct tx_packet_desc *ptpd;
u16 frag_size;
u16 vlan_tag;
- unsigned long flags;
unsigned int nr_frags = 0;
unsigned int mss = 0;
unsigned int f;
mss = skb_shinfo(skb)->gso_size;
if (mss) {
- if (skb->protocol == ntohs(ETH_P_IP)) {
+ if (skb->protocol == htons(ETH_P_IP)) {
proto_hdr_len = (skb_transport_offset(skb) +
tcp_hdrlen(skb));
if (unlikely(proto_hdr_len > len)) {
}
}
- if (!spin_trylock_irqsave(&adapter->lock, flags)) {
- /* Can't get lock - tell upper layer to requeue */
- if (netif_msg_tx_queued(adapter))
- dev_printk(KERN_DEBUG, &adapter->pdev->dev,
- "tx locked\n");
- return NETDEV_TX_LOCKED;
- }
-
if (atl1_tpd_avail(&adapter->tpd_ring) < count) {
/* not enough descriptors */
netif_stop_queue(netdev);
- spin_unlock_irqrestore(&adapter->lock, flags);
if (netif_msg_tx_queued(adapter))
dev_printk(KERN_DEBUG, &adapter->pdev->dev,
"tx busy\n");
vlan_tag = (vlan_tag << 4) | (vlan_tag >> 13) |
((vlan_tag >> 9) & 0x8);
ptpd->word3 |= 1 << TPD_INS_VL_TAG_SHIFT;
- ptpd->word3 |= (vlan_tag & TPD_VL_TAGGED_MASK) <<
- TPD_VL_TAGGED_SHIFT;
+ ptpd->word2 |= (vlan_tag & TPD_VLANTAG_MASK) <<
+ TPD_VLANTAG_SHIFT;
}
tso = atl1_tso(adapter, skb, ptpd);
if (tso < 0) {
- spin_unlock_irqrestore(&adapter->lock, flags);
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
if (!tso) {
ret_val = atl1_tx_csum(adapter, skb, ptpd);
if (ret_val < 0) {
- spin_unlock_irqrestore(&adapter->lock, flags);
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
atl1_tx_map(adapter, skb, ptpd);
atl1_tx_queue(adapter, count, ptpd);
atl1_update_mailbox(adapter);
- spin_unlock_irqrestore(&adapter->lock, flags);
- netdev->trans_start = jiffies;
+ mmiowb();
return NETDEV_TX_OK;
}
return IRQ_HANDLED;
}
-/*
- * atl1_watchdog - Timer Call-back
- * @data: pointer to netdev cast into an unsigned long
- */
-static void atl1_watchdog(unsigned long data)
-{
- struct atl1_adapter *adapter = (struct atl1_adapter *)data;
-
- /* Reset the timer */
- mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
-}
/*
* atl1_phy_config - Timer Call-back
irq_flags |= IRQF_SHARED;
}
- err = request_irq(adapter->pdev->irq, &atl1_intr, irq_flags,
+ err = request_irq(adapter->pdev->irq, atl1_intr, irq_flags,
netdev->name, netdev);
if (unlikely(err))
goto err_up;
- mod_timer(&adapter->watchdog_timer, jiffies);
atlx_irq_enable(adapter);
atl1_check_link(adapter);
+ netif_start_queue(netdev);
return 0;
err_up:
{
struct net_device *netdev = adapter->netdev;
- del_timer_sync(&adapter->watchdog_timer);
+ netif_stop_queue(netdev);
del_timer_sync(&adapter->phy_config_timer);
adapter->phy_timer_pending = false;
adapter->link_speed = SPEED_0;
adapter->link_duplex = -1;
netif_carrier_off(netdev);
- netif_stop_queue(netdev);
atl1_clean_tx_ring(adapter);
atl1_clean_rx_ring(adapter);
struct atl1_adapter *adapter = netdev_priv(netdev);
int err;
+ netif_carrier_off(netdev);
+
/* allocate transmit descriptors */
err = atl1_setup_ring_resources(adapter);
if (err)
ctrl |= PCIE_PHYMISC_FORCE_RCV_DET;
iowrite32(ctrl, hw->hw_addr + REG_PCIE_PHYMISC);
ioread32(hw->hw_addr + REG_PCIE_PHYMISC);
- atl1_phy_enter_power_saving(hw);
hw->phy_configured = false;
pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
exit:
}
#endif
+static const struct net_device_ops atl1_netdev_ops = {
+ .ndo_open = atl1_open,
+ .ndo_stop = atl1_close,
+ .ndo_start_xmit = atl1_xmit_frame,
+ .ndo_set_multicast_list = atlx_set_multi,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = atl1_set_mac,
+ .ndo_change_mtu = atl1_change_mtu,
+ .ndo_do_ioctl = atlx_ioctl,
+ .ndo_tx_timeout = atlx_tx_timeout,
+ .ndo_vlan_rx_register = atlx_vlan_rx_register,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = atl1_poll_controller,
+#endif
+};
+
/*
* atl1_probe - Device Initialization Routine
* @pdev: PCI device information struct
* various kernel subsystems to support the mechanics required by a
* fixed-high-32-bit system.
*/
- err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+ err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (err) {
dev_err(&pdev->dev, "no usable DMA configuration\n");
goto err_dma;
adapter->mii.phy_id_mask = 0x1f;
adapter->mii.reg_num_mask = 0x1f;
- netdev->open = &atl1_open;
- netdev->stop = &atl1_close;
- netdev->hard_start_xmit = &atl1_xmit_frame;
- netdev->get_stats = &atlx_get_stats;
- netdev->set_multicast_list = &atlx_set_multi;
- netdev->set_mac_address = &atl1_set_mac;
- netdev->change_mtu = &atl1_change_mtu;
- netdev->do_ioctl = &atlx_ioctl;
- netdev->tx_timeout = &atlx_tx_timeout;
+ netdev->netdev_ops = &atl1_netdev_ops;
netdev->watchdog_timeo = 5 * HZ;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- netdev->poll_controller = atl1_poll_controller;
-#endif
- netdev->vlan_rx_register = atlx_vlan_rx_register;
netdev->ethtool_ops = &atl1_ethtool_ops;
adapter->bd_number = cards_found;
netdev->features = NETIF_F_HW_CSUM;
netdev->features |= NETIF_F_SG;
netdev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
- netdev->features |= NETIF_F_TSO;
- netdev->features |= NETIF_F_LLTX;
/*
* patch for some L1 of old version,
netif_carrier_off(netdev);
netif_stop_queue(netdev);
- init_timer(&adapter->watchdog_timer);
- adapter->watchdog_timer.function = &atl1_watchdog;
- adapter->watchdog_timer.data = (unsigned long)adapter;
-
- init_timer(&adapter->phy_config_timer);
- adapter->phy_config_timer.function = &atl1_phy_config;
- adapter->phy_config_timer.data = (unsigned long)adapter;
+ setup_timer(&adapter->phy_config_timer, &atl1_phy_config,
+ (unsigned long)adapter);
adapter->phy_timer_pending = false;
INIT_WORK(&adapter->tx_timeout_task, atl1_tx_timeout_task);
{"tx_bytes", ATL1_STAT(soft_stats.tx_bytes)},
{"rx_errors", ATL1_STAT(soft_stats.rx_errors)},
{"tx_errors", ATL1_STAT(soft_stats.tx_errors)},
- {"rx_dropped", ATL1_STAT(net_stats.rx_dropped)},
- {"tx_dropped", ATL1_STAT(net_stats.tx_dropped)},
{"multicast", ATL1_STAT(soft_stats.multicast)},
{"collisions", ATL1_STAT(soft_stats.collisions)},
{"rx_length_errors", ATL1_STAT(soft_stats.rx_length_errors)},
{
struct atl1_adapter *adapter = netdev_priv(netdev);
- strncpy(drvinfo->driver, ATLX_DRIVER_NAME, sizeof(drvinfo->driver));
- strncpy(drvinfo->version, ATLX_DRIVER_VERSION,
+ strlcpy(drvinfo->driver, ATLX_DRIVER_NAME, sizeof(drvinfo->driver));
+ strlcpy(drvinfo->version, ATLX_DRIVER_VERSION,
sizeof(drvinfo->version));
- strncpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
- strncpy(drvinfo->bus_info, pci_name(adapter->pdev),
+ strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
+ strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
sizeof(drvinfo->bus_info));
drvinfo->eedump_len = ATL1_EEDUMP_LEN;
}
{
struct atl1_adapter *adapter = netdev_priv(netdev);
- wol->supported = WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
+ wol->supported = WAKE_MAGIC;
wol->wolopts = 0;
- if (adapter->wol & ATLX_WUFC_EX)
- wol->wolopts |= WAKE_UCAST;
- if (adapter->wol & ATLX_WUFC_MC)
- wol->wolopts |= WAKE_MCAST;
- if (adapter->wol & ATLX_WUFC_BC)
- wol->wolopts |= WAKE_BCAST;
if (adapter->wol & ATLX_WUFC_MAG)
wol->wolopts |= WAKE_MAGIC;
return;
{
struct atl1_adapter *adapter = netdev_priv(netdev);
- if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
+ if (wol->wolopts & (WAKE_PHY | WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
+ WAKE_ARP | WAKE_MAGICSECURE))
return -EOPNOTSUPP;
adapter->wol = 0;
- if (wol->wolopts & WAKE_UCAST)
- adapter->wol |= ATLX_WUFC_EX;
- if (wol->wolopts & WAKE_MCAST)
- adapter->wol |= ATLX_WUFC_MC;
- if (wol->wolopts & WAKE_BCAST)
- adapter->wol |= ATLX_WUFC_BC;
if (wol->wolopts & WAKE_MAGIC)
adapter->wol |= ATLX_WUFC_MAG;
return 0;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff