#include "atl1e.h"

Macros
#define	TX_DESC_COUNT 32 /* TX descriptors, minimum 32 */

#define	RX_MEM_SIZE 8192 /* RX area size, minimum 8kb */

#define	MAX_FRAME_SIZE 1500 /* Maximum MTU supported, minimum 1500 */

#define	PREAMBLE_LEN 7

#define	RX_JUMBO_THRESH

#define	IMT_VAL 100 /* interrupt moderator timer, us */

#define	ICT_VAL 50000 /* interrupt clear timer, us */

#define	SMB_TIMER 200000

#define	RRD_THRESH 1 /* packets to queue before interrupt */

#define	TPD_BURST 5

#define	TPD_THRESH (TX_DESC_COUNT / 2)

#define	RX_COUNT_DOWN 4

#define	TX_COUNT_DOWN (IMT_VAL * 4 / 3)

#define	DMAR_DLY_CNT 15

#define	DMAW_DLY_CNT 4

#define	PCI_DEVICE_ID_ATTANSIC_L1E 0x1026

Functions
	FILE_LICENCE (GPL2_OR_LATER)

static void	atl1e_setup_mac_ctrl (struct atl1e_adapter *adapter)

static void	atl1e_irq_enable (struct atl1e_adapter *adapter)

static void	atl1e_irq_disable (struct atl1e_adapter *adapter)

static void	atl1e_irq_reset (struct atl1e_adapter *adapter)

static void	atl1e_reset (struct atl1e_adapter *adapter)

static int	atl1e_check_link (struct atl1e_adapter *adapter)

static int	atl1e_mdio_read (struct net_device *netdev, int phy_id __unused, int reg_num)

static void	atl1e_mdio_write (struct net_device *netdev, int phy_id __unused, int reg_num, int val)

static void	atl1e_setup_pcicmd (struct pci_device *pdev)

static int	atl1e_sw_init (struct atl1e_adapter *adapter)

static void	atl1e_clean_tx_ring (struct atl1e_adapter *adapter)

static void	atl1e_clean_rx_ring (struct atl1e_adapter *adapter)

static void	atl1e_cal_ring_size (struct atl1e_adapter adapter, u32 ring_size)

static void	atl1e_init_ring_resources (struct atl1e_adapter *adapter)

static void	atl1e_init_ring_ptrs (struct atl1e_adapter *adapter)

static void	atl1e_free_ring_resources (struct atl1e_adapter *adapter)

static int	atl1e_setup_ring_resources (struct atl1e_adapter *adapter)

static void	atl1e_configure_des_ring (const struct atl1e_adapter *adapter)

static void	atl1e_configure_tx (struct atl1e_adapter *adapter)

static void	atl1e_configure_rx (struct atl1e_adapter *adapter)

static void	atl1e_configure_dma (struct atl1e_adapter *adapter)

static int	atl1e_configure (struct atl1e_adapter *adapter)

static void	atl1e_clear_phy_int (struct atl1e_adapter *adapter)

static int	atl1e_clean_tx_irq (struct atl1e_adapter *adapter)

static struct atl1e_rx_page *	atl1e_get_rx_page (struct atl1e_adapter *adapter)

static void	atl1e_clean_rx_irq (struct atl1e_adapter *adapter)

static void	atl1e_poll (struct net_device *netdev)

static u16	atl1e_tpd_avail (struct atl1e_adapter *adapter)

static struct atl1e_tpd_desc *	atl1e_get_tpd (struct atl1e_adapter *adapter)

static struct atl1e_tx_buffer *	atl1e_get_tx_buffer (struct atl1e_adapter adapter, struct atl1e_tpd_desc tpd)

static void	atl1e_tx_map (struct atl1e_adapter adapter, struct io_buffer iob, struct atl1e_tpd_desc *tpd)

static void	atl1e_tx_queue (struct atl1e_adapter adapter, u16 count __unused, struct atl1e_tpd_desc tpd __unused)

static int	atl1e_xmit_frame (struct net_device netdev, struct io_buffer iob)

int	atl1e_up (struct atl1e_adapter *adapter)

void	atl1e_irq (struct net_device *netdev, int enable)

void	atl1e_down (struct atl1e_adapter *adapter)

static int	atl1e_open (struct net_device *netdev)

static void	atl1e_close (struct net_device *netdev)

static void	atl1e_init_netdev (struct net_device netdev, struct pci_device pdev)

static int	atl1e_probe (struct pci_device *pdev)

static void	atl1e_remove (struct pci_device *pdev)

int	atl1e_check_eeprom_exist (struct atl1e_hw *hw)

void	atl1e_hw_set_mac_addr (struct atl1e_hw *hw)

static int	atl1e_get_permanent_address (struct atl1e_hw *hw)

void	atl1e_force_ps (struct atl1e_hw *hw)

int	atl1e_read_mac_addr (struct atl1e_hw *hw)

int	atl1e_read_phy_reg (struct atl1e_hw hw, u16 reg_addr, u16 phy_data)

int	atl1e_write_phy_reg (struct atl1e_hw *hw, u32 reg_addr, u16 phy_data)

static void	atl1e_init_pcie (struct atl1e_hw *hw)

static int	atl1e_phy_setup_autoneg_adv (struct atl1e_hw *hw)

int	atl1e_phy_commit (struct atl1e_hw *hw)

int	atl1e_phy_init (struct atl1e_hw *hw)

int	atl1e_reset_hw (struct atl1e_hw *hw)

int	atl1e_init_hw (struct atl1e_hw *hw)

int	atl1e_get_speed_and_duplex (struct atl1e_hw hw, u16 speed, u16 *duplex)

int	atl1e_restart_autoneg (struct atl1e_hw *hw)

Variables
static struct pci_device_id	atl1e_pci_tbl []

static const u16	atl1e_rx_page_vld_regs [AT_PAGE_NUM_PER_QUEUE]

static const u16	atl1e_rx_page_lo_addr_regs [AT_PAGE_NUM_PER_QUEUE]

static const u16	atl1e_rx_page_write_offset_regs [AT_PAGE_NUM_PER_QUEUE]

static const u16	atl1e_pay_load_size []

static struct net_device_operations	atl1e_netdev_ops

struct pci_driver atl1e_driver	__pci_driver

Macro Definition Documentation

◆ TX_DESC_COUNT

#define TX_DESC_COUNT 32 /* TX descriptors, minimum 32 */

Definition at line 29 of file atl1e.c.

◆ RX_MEM_SIZE

#define RX_MEM_SIZE 8192 /* RX area size, minimum 8kb */

Definition at line 30 of file atl1e.c.

◆ MAX_FRAME_SIZE

#define MAX_FRAME_SIZE 1500 /* Maximum MTU supported, minimum 1500 */

Definition at line 31 of file atl1e.c.

◆ PREAMBLE_LEN

#define PREAMBLE_LEN 7

Definition at line 34 of file atl1e.c.

◆ RX_JUMBO_THRESH

#define RX_JUMBO_THRESH

Value:

((MAX_FRAME_SIZE + ETH_HLEN + \

VLAN_HLEN + ETH_FCS_LEN + 7) >> 3)

ETH_HLEN

#define ETH_HLEN

Definition: if_ether.h:9

MAX_FRAME_SIZE

#define MAX_FRAME_SIZE

Definition: atl1e.c:31

ETH_FCS_LEN

#define ETH_FCS_LEN

Definition: atl1e.h:45

Definition at line 35 of file atl1e.c.

◆ IMT_VAL

#define IMT_VAL 100 /* interrupt moderator timer, us */

Definition at line 37 of file atl1e.c.

◆ ICT_VAL

#define ICT_VAL 50000 /* interrupt clear timer, us */

Definition at line 38 of file atl1e.c.

◆ SMB_TIMER

#define SMB_TIMER 200000

Definition at line 39 of file atl1e.c.

◆ RRD_THRESH

#define RRD_THRESH 1 /* packets to queue before interrupt */

Definition at line 40 of file atl1e.c.

◆ TPD_BURST

#define TPD_BURST 5

Definition at line 41 of file atl1e.c.

◆ TPD_THRESH

#define TPD_THRESH (TX_DESC_COUNT / 2)

Definition at line 42 of file atl1e.c.

◆ RX_COUNT_DOWN

#define RX_COUNT_DOWN 4

Definition at line 43 of file atl1e.c.

◆ TX_COUNT_DOWN

#define TX_COUNT_DOWN (IMT_VAL * 4 / 3)

Definition at line 44 of file atl1e.c.

◆ DMAR_DLY_CNT

#define DMAR_DLY_CNT 15

Definition at line 45 of file atl1e.c.

◆ DMAW_DLY_CNT

#define DMAW_DLY_CNT 4

Definition at line 46 of file atl1e.c.

◆ PCI_DEVICE_ID_ATTANSIC_L1E

#define PCI_DEVICE_ID_ATTANSIC_L1E 0x1026

Definition at line 48 of file atl1e.c.

Function Documentation

◆ FILE_LICENCE()

FILE_LICENCE ( GPL2_OR_LATER )

◆ atl1e_setup_mac_ctrl()

static void atl1e_setup_mac_ctrl ( struct atl1e_adapter * adapter )

static

Definition at line 611 of file atl1e.c.

 {
         u32 value;
         struct atl1e_hw *hw = &adapter->hw;
 
         /* Config MAC CTRL Register */
         value = MAC_CTRL_TX_EN |
                 MAC_CTRL_RX_EN ;
 
         if (FULL_DUPLEX == adapter->link_duplex)
                 value |= MAC_CTRL_DUPLX;
 
         value |= ((u32)((SPEED_1000 == adapter->link_speed) ?
                           MAC_CTRL_SPEED_1000 : MAC_CTRL_SPEED_10_100) <<
                           MAC_CTRL_SPEED_SHIFT);
         value |= (MAC_CTRL_TX_FLOW | MAC_CTRL_RX_FLOW);
 
         value |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD);
         value |= ((PREAMBLE_LEN & MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT);
 
         value |= MAC_CTRL_BC_EN;
         value |= MAC_CTRL_MC_ALL_EN;
 
         AT_WRITE_REG(hw, REG_MAC_CTRL, value);
 }

References atl1e_hw::adapter, AT_WRITE_REG, FULL_DUPLEX, atl1e_adapter::hw, atl1e_adapter::link_duplex, atl1e_adapter::link_speed, MAC_CTRL_ADD_CRC, MAC_CTRL_BC_EN, MAC_CTRL_DUPLX, MAC_CTRL_MC_ALL_EN, MAC_CTRL_PAD, MAC_CTRL_PRMLEN_MASK, MAC_CTRL_PRMLEN_SHIFT, MAC_CTRL_RX_EN, MAC_CTRL_RX_FLOW, MAC_CTRL_SPEED_1000, MAC_CTRL_SPEED_10_100, MAC_CTRL_SPEED_SHIFT, MAC_CTRL_TX_EN, MAC_CTRL_TX_FLOW, PREAMBLE_LEN, REG_MAC_CTRL, SPEED_1000, u32, and value.

Referenced by atl1e_check_link().

◆ atl1e_irq_enable()

static void atl1e_irq_enable ( struct atl1e_adapter * adapter )

inlinestatic

Definition at line 92 of file atl1e.c.

 {
         AT_WRITE_REG(&adapter->hw, REG_ISR, 0);
         AT_WRITE_REG(&adapter->hw, REG_IMR, IMR_NORMAL_MASK);
         AT_WRITE_FLUSH(&adapter->hw);
 }

References AT_WRITE_FLUSH, AT_WRITE_REG, atl1e_adapter::hw, IMR_NORMAL_MASK, REG_IMR, and REG_ISR.

Referenced by atl1e_irq().

◆ atl1e_irq_disable()

static void atl1e_irq_disable ( struct atl1e_adapter * adapter )

inlinestatic

Definition at line 103 of file atl1e.c.

 {
         AT_WRITE_REG(&adapter->hw, REG_IMR, 0);
         AT_WRITE_FLUSH(&adapter->hw);
 }

References AT_WRITE_FLUSH, AT_WRITE_REG, atl1e_adapter::hw, and REG_IMR.

Referenced by atl1e_irq(), and atl1e_up().

◆ atl1e_irq_reset()

static void atl1e_irq_reset ( struct atl1e_adapter * adapter )

inlinestatic

Definition at line 113 of file atl1e.c.

 {
         AT_WRITE_REG(&adapter->hw, REG_ISR, 0);
         AT_WRITE_REG(&adapter->hw, REG_IMR, 0);
         AT_WRITE_FLUSH(&adapter->hw);
 }

References AT_WRITE_FLUSH, AT_WRITE_REG, atl1e_adapter::hw, REG_IMR, and REG_ISR.

Referenced by atl1e_poll().

◆ atl1e_reset()

static void atl1e_reset ( struct atl1e_adapter * adapter )

static

Definition at line 120 of file atl1e.c.

 {
         atl1e_down(adapter);
         atl1e_up(adapter);
 }

References atl1e_down(), and atl1e_up().

Referenced by atl1e_clean_rx_irq(), and atl1e_poll().

◆ atl1e_check_link()

static int atl1e_check_link ( struct atl1e_adapter * adapter )

static

Definition at line 126 of file atl1e.c.

 {
         struct atl1e_hw *hw = &adapter->hw;
         struct net_device *netdev = adapter->netdev;
         int err = 0;
         u16 speed, duplex, phy_data;
 
         /* MII_BMSR must read twise */
         atl1e_read_phy_reg(hw, MII_BMSR, &phy_data);
         atl1e_read_phy_reg(hw, MII_BMSR, &phy_data);
 
         if ((phy_data & BMSR_LSTATUS) == 0) {
                 /* link down */
                 if (netdev_link_ok(netdev)) { /* old link state: Up */
                         u32 value;
                         /* disable rx */
                         value = AT_READ_REG(hw, REG_MAC_CTRL);
                         value &= ~MAC_CTRL_RX_EN;
                         AT_WRITE_REG(hw, REG_MAC_CTRL, value);
                         adapter->link_speed = SPEED_0;
 
                         DBG("atl1e: %s link is down\n", netdev->name);
                         netdev_link_down(netdev);
                 }
         } else {
                 /* Link Up */
                 err = atl1e_get_speed_and_duplex(hw, &speed, &duplex);
                 if (err)
                         return err;
 
                 /* link result is our setting */
                 if (adapter->link_speed != speed ||
                     adapter->link_duplex != duplex) {
                         adapter->link_speed  = speed;
                         adapter->link_duplex = duplex;
                         atl1e_setup_mac_ctrl(adapter);
 
                         DBG("atl1e: %s link is up, %d Mbps, %s duplex\n",
                             netdev->name, adapter->link_speed,
                             adapter->link_duplex == FULL_DUPLEX ?
                             "full" : "half");
                         netdev_link_up(netdev);
                 }
         }
         return 0;
 }

References atl1e_hw::adapter, AT_READ_REG, AT_WRITE_REG, atl1e_get_speed_and_duplex(), atl1e_read_phy_reg(), atl1e_setup_mac_ctrl(), BMSR_LSTATUS, DBG, FULL_DUPLEX, atl1e_adapter::hw, atl1e_adapter::link_duplex, atl1e_adapter::link_speed, MAC_CTRL_RX_EN, MII_BMSR, net_device::name, netdev, atl1e_adapter::netdev, netdev_link_down(), netdev_link_ok(), netdev_link_up(), REG_MAC_CTRL, SPEED_0, and value.

Referenced by atl1e_poll().

◆ atl1e_mdio_read()

static int atl1e_mdio_read	(	struct net_device *	netdev,
		int phy_id	__unused,
		int	reg_num
	)

static

Definition at line 173 of file atl1e.c.

 {
         struct atl1e_adapter *adapter = netdev->priv;
         u16 result;
 
         atl1e_read_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, &result);
         return result;
 }

References atl1e_read_phy_reg(), atl1e_adapter::hw, MDIO_REG_ADDR_MASK, netdev, net_device::priv, and result.

Referenced by atl1e_probe().

◆ atl1e_mdio_write()

static void atl1e_mdio_write	(	struct net_device *	netdev,
		int phy_id	__unused,
		int	reg_num,
		int	val
	)

static

Definition at line 183 of file atl1e.c.

 {
         struct atl1e_adapter *adapter = netdev->priv;
 
         atl1e_write_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, val);
 }

References atl1e_write_phy_reg(), atl1e_adapter::hw, MDIO_REG_ADDR_MASK, netdev, net_device::priv, and val.

Referenced by atl1e_probe().

◆ atl1e_setup_pcicmd()

static void atl1e_setup_pcicmd ( struct pci_device * pdev )

static

Definition at line 191 of file atl1e.c.

 {
         u16 cmd;
 
         pci_read_config_word(pdev, PCI_COMMAND, &cmd);
         cmd |=  (PCI_COMMAND_MEM | PCI_COMMAND_MASTER);
         pci_write_config_word(pdev, PCI_COMMAND, cmd);
 
         /*
          * some motherboards BIOS(PXE/EFI) driver may set PME
          * while they transfer control to OS (Windows/Linux)
          * so we should clear this bit before NIC work normally
          */
         pci_write_config_dword(pdev, REG_PM_CTRLSTAT, 0);
         mdelay(1);
 }

References cmd, mdelay(), PCI_COMMAND, PCI_COMMAND_MASTER, PCI_COMMAND_MEM, pci_read_config_word(), pci_write_config_dword(), pci_write_config_word(), atl1e_adapter::pdev, and REG_PM_CTRLSTAT.

Referenced by atl1e_probe().

◆ atl1e_sw_init()

static int atl1e_sw_init ( struct atl1e_adapter * adapter )

static

Definition at line 216 of file atl1e.c.

 {
         struct atl1e_hw *hw = &adapter->hw;
         struct pci_device *pdev = adapter->pdev;
         u32 phy_status_data = 0;
         u8 rev_id = 0;
 
         adapter->link_speed = SPEED_0;   /* hardware init */
         adapter->link_duplex = FULL_DUPLEX;
 
         /* PCI config space info */
         pci_read_config_byte(pdev, PCI_REVISION, &rev_id);
 
         phy_status_data = AT_READ_REG(hw, REG_PHY_STATUS);
         /* nic type */
         if (rev_id >= 0xF0) {
                 hw->nic_type = athr_l2e_revB;
         } else {
                 if (phy_status_data & PHY_STATUS_100M)
                         hw->nic_type = athr_l1e;
                 else
                         hw->nic_type = athr_l2e_revA;
         }
 
         phy_status_data = AT_READ_REG(hw, REG_PHY_STATUS);
 
         hw->emi_ca = !!(phy_status_data & PHY_STATUS_EMI_CA);
 
         hw->phy_configured = 0;
 
         /* need confirm */
 
         hw->dmar_block = atl1e_dma_req_1024;
         hw->dmaw_block = atl1e_dma_req_1024;
 
         return 0;
 }

References atl1e_hw::adapter, AT_READ_REG, athr_l1e, athr_l2e_revA, athr_l2e_revB, atl1e_dma_req_1024, FULL_DUPLEX, atl1e_adapter::hw, atl1e_adapter::link_duplex, atl1e_adapter::link_speed, pci_read_config_byte(), PCI_REVISION, atl1e_adapter::pdev, PHY_STATUS_100M, PHY_STATUS_EMI_CA, REG_PHY_STATUS, and SPEED_0.

Referenced by atl1e_probe().

◆ atl1e_clean_tx_ring()

static void atl1e_clean_tx_ring ( struct atl1e_adapter * adapter )

static

Definition at line 258 of file atl1e.c.

 {
         struct atl1e_tx_ring *tx_ring = (struct atl1e_tx_ring *)
                                 &adapter->tx_ring;
         struct atl1e_tx_buffer *tx_buffer = NULL;
         u16 index, ring_count = tx_ring->count;
 
         if (tx_ring->desc == NULL || tx_ring->tx_buffer == NULL)
                 return;
 
         for (index = 0; index < ring_count; index++) {
                 tx_buffer = &tx_ring->tx_buffer[index];
                 if (tx_buffer->iob) {
                         netdev_tx_complete(adapter->netdev, tx_buffer->iob);
                         tx_buffer->dma = 0;
                         tx_buffer->iob = NULL;
                 }
         }
 
         /* Zero out Tx-buffers */
         memset(tx_ring->desc, 0, sizeof(struct atl1e_tpd_desc) *
                ring_count);
         memset(tx_ring->tx_buffer, 0, sizeof(struct atl1e_tx_buffer) *
                ring_count);
 }

References atl1e_tx_buffer::dma, if(), index, atl1e_tx_buffer::iob, memset(), atl1e_adapter::netdev, netdev_tx_complete(), NULL, atl1e_tx_ring::tx_buffer, tx_ring, and atl1e_adapter::tx_ring.

Referenced by atl1e_down(), and atl1e_free_ring_resources().

◆ atl1e_clean_rx_ring()

static void atl1e_clean_rx_ring ( struct atl1e_adapter * adapter )

static

Definition at line 288 of file atl1e.c.

 {
         struct atl1e_rx_ring *rx_ring =
                 (struct atl1e_rx_ring *)&adapter->rx_ring;
         struct atl1e_rx_page_desc *rx_page_desc = &rx_ring->rx_page_desc;
         u16 j;
 
         if (adapter->ring_vir_addr == NULL)
                 return;
 
         /* Zero out the descriptor ring */
         for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) {
                 if (rx_page_desc->rx_page[j].addr != NULL) {
                         memset(rx_page_desc->rx_page[j].addr, 0,
                                rx_ring->real_page_size);
                 }
         }
 }

References atl1e_rx_page::addr, AT_PAGE_NUM_PER_QUEUE, if(), memset(), NULL, atl1e_adapter::ring_vir_addr, atl1e_rx_page_desc::rx_page, atl1e_rx_ring::rx_page_desc, rx_ring, and atl1e_adapter::rx_ring.

Referenced by atl1e_down(), and atl1e_free_ring_resources().

◆ atl1e_cal_ring_size()

static void atl1e_cal_ring_size	(	struct atl1e_adapter *	adapter,
		u32 *	ring_size
	)

static

Definition at line 307 of file atl1e.c.

 {
         *ring_size = ((u32)(adapter->tx_ring.count *
                      sizeof(struct atl1e_tpd_desc) + 7
                         /* tx ring, qword align */
                      + adapter->rx_ring.real_page_size * AT_PAGE_NUM_PER_QUEUE
                      + 31
                         /* rx ring,  32 bytes align */
                      + (1 + AT_PAGE_NUM_PER_QUEUE) *
                         sizeof(u32) + 3));
                         /* tx, rx cmd, dword align   */
 }

References AT_PAGE_NUM_PER_QUEUE, atl1e_tx_ring::count, atl1e_rx_ring::real_page_size, atl1e_adapter::rx_ring, atl1e_adapter::tx_ring, and u32.

Referenced by atl1e_init_ring_resources().

◆ atl1e_init_ring_resources()

static void atl1e_init_ring_resources ( struct atl1e_adapter * adapter )

static

Definition at line 320 of file atl1e.c.

 {
         struct atl1e_rx_ring *rx_ring = &adapter->rx_ring;
 
         rx_ring->real_page_size = adapter->rx_ring.page_size
                                  + MAX_FRAME_SIZE
                                  + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN;
         rx_ring->real_page_size = (rx_ring->real_page_size + 31) & ~31;
         atl1e_cal_ring_size(adapter, &adapter->ring_size);
 
         adapter->ring_vir_addr = NULL;
         adapter->rx_ring.desc = NULL;
 
         return;
 }

References atl1e_cal_ring_size(), atl1e_rx_ring::desc, ETH_FCS_LEN, ETH_HLEN, MAX_FRAME_SIZE, NULL, atl1e_rx_ring::page_size, atl1e_adapter::ring_size, atl1e_adapter::ring_vir_addr, rx_ring, atl1e_adapter::rx_ring, and VLAN_HLEN.

Referenced by atl1e_open().

◆ atl1e_init_ring_ptrs()

static void atl1e_init_ring_ptrs ( struct atl1e_adapter * adapter )

static

Definition at line 339 of file atl1e.c.

 {
         struct atl1e_tx_ring *tx_ring = NULL;
         struct atl1e_rx_ring *rx_ring = NULL;
         struct atl1e_rx_page_desc *rx_page_desc = NULL;
         int j;
 
         tx_ring = &adapter->tx_ring;
         rx_ring = &adapter->rx_ring;
         rx_page_desc = &rx_ring->rx_page_desc;
 
         tx_ring->next_to_use = 0;
         tx_ring->next_to_clean = 0;
 
         rx_page_desc->rx_using  = 0;
         rx_page_desc->rx_nxseq = 0;
         for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) {
                 *rx_page_desc->rx_page[j].write_offset_addr = 0;
                 rx_page_desc->rx_page[j].read_offset = 0;
         }
 }

References AT_PAGE_NUM_PER_QUEUE, NULL, atl1e_rx_page::read_offset, atl1e_rx_page_desc::rx_nxseq, atl1e_rx_page_desc::rx_page, rx_ring, atl1e_adapter::rx_ring, atl1e_rx_page_desc::rx_using, tx_ring, atl1e_adapter::tx_ring, and atl1e_rx_page::write_offset_addr.

Referenced by atl1e_up().

◆ atl1e_free_ring_resources()

static void atl1e_free_ring_resources ( struct atl1e_adapter * adapter )

static

Definition at line 367 of file atl1e.c.

 {
         atl1e_clean_tx_ring(adapter);
         atl1e_clean_rx_ring(adapter);
 
         if (adapter->ring_vir_addr) {
                 free_phys(adapter->ring_vir_addr, adapter->ring_size);
                 adapter->ring_vir_addr = NULL;
                 adapter->ring_dma = 0;
         }
 
         if (adapter->tx_ring.tx_buffer) {
                 free(adapter->tx_ring.tx_buffer);
                 adapter->tx_ring.tx_buffer = NULL;
         }
 }

References atl1e_clean_rx_ring(), atl1e_clean_tx_ring(), free, free_phys(), NULL, atl1e_adapter::ring_dma, atl1e_adapter::ring_size, atl1e_adapter::ring_vir_addr, atl1e_tx_ring::tx_buffer, and atl1e_adapter::tx_ring.

Referenced by atl1e_close(), atl1e_open(), atl1e_remove(), and atl1e_setup_ring_resources().

◆ atl1e_setup_ring_resources()

static int atl1e_setup_ring_resources ( struct atl1e_adapter * adapter )

static

Definition at line 390 of file atl1e.c.

 {
         struct atl1e_tx_ring *tx_ring;
         struct atl1e_rx_ring *rx_ring;
         struct atl1e_rx_page_desc  *rx_page_desc;
         int size, j;
         u32 offset = 0;
         int err = 0;
 
         if (adapter->ring_vir_addr != NULL)
                 return 0; /* alloced already */
 
         tx_ring = &adapter->tx_ring;
         rx_ring = &adapter->rx_ring;
 
         /* real ring DMA buffer */
 
         size = adapter->ring_size;
         adapter->ring_vir_addr = malloc_phys(adapter->ring_size, 32);
 
         if (adapter->ring_vir_addr == NULL) {
                 DBG("atl1e: out of memory allocating %d bytes for %s ring\n",
                     adapter->ring_size, adapter->netdev->name);
                 return -ENOMEM;
         }
 
         adapter->ring_dma = virt_to_bus(adapter->ring_vir_addr);
         memset(adapter->ring_vir_addr, 0, adapter->ring_size);
 
         rx_page_desc = &rx_ring->rx_page_desc;
 
         /* Init TPD Ring */
         tx_ring->dma = (adapter->ring_dma + 7) & ~7;
         offset = tx_ring->dma - adapter->ring_dma;
         tx_ring->desc = (struct atl1e_tpd_desc *)
                         (adapter->ring_vir_addr + offset);
         size = sizeof(struct atl1e_tx_buffer) * (tx_ring->count);
         tx_ring->tx_buffer = zalloc(size);
         if (tx_ring->tx_buffer == NULL) {
                 DBG("atl1e: out of memory allocating %d bytes for %s txbuf\n",
                     size, adapter->netdev->name);
                 err = -ENOMEM;
                 goto failed;
         }
 
         /* Init RXF-Pages */
         offset += (sizeof(struct atl1e_tpd_desc) * tx_ring->count);
         offset = (offset + 31) & ~31;
 
         for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) {
                 rx_page_desc->rx_page[j].dma =
                         adapter->ring_dma + offset;
                 rx_page_desc->rx_page[j].addr =
                         adapter->ring_vir_addr + offset;
                 offset += rx_ring->real_page_size;
         }
 
         /* Init CMB dma address */
         tx_ring->cmb_dma = adapter->ring_dma + offset;
         tx_ring->cmb     = (u32 *)(adapter->ring_vir_addr + offset);
         offset += sizeof(u32);
 
         for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) {
                 rx_page_desc->rx_page[j].write_offset_dma =
                         adapter->ring_dma + offset;
                 rx_page_desc->rx_page[j].write_offset_addr =
                         adapter->ring_vir_addr + offset;
                 offset += sizeof(u32);
         }
 
         if (offset > adapter->ring_size) {
                 DBG("atl1e: ring miscalculation! need %d > %d bytes\n",
                     offset, adapter->ring_size);
                 err = -EINVAL;
                 goto failed;
         }
 
         return 0;
 failed:
         atl1e_free_ring_resources(adapter);
         return err;
 }

References atl1e_rx_page::addr, AT_PAGE_NUM_PER_QUEUE, atl1e_free_ring_resources(), DBG, atl1e_rx_page::dma, EINVAL, ENOMEM, malloc_phys(), memset(), net_device::name, atl1e_adapter::netdev, NULL, offset, atl1e_adapter::ring_dma, atl1e_adapter::ring_size, atl1e_adapter::ring_vir_addr, atl1e_rx_page_desc::rx_page, rx_ring, atl1e_adapter::rx_ring, size, tx_ring, atl1e_adapter::tx_ring, u32, virt_to_bus(), atl1e_rx_page::write_offset_addr, atl1e_rx_page::write_offset_dma, and zalloc().

Referenced by atl1e_open().

◆ atl1e_configure_des_ring()

static void atl1e_configure_des_ring ( const struct atl1e_adapter * adapter )

inlinestatic

Definition at line 473 of file atl1e.c.

 {
 
         struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw;
         struct atl1e_rx_ring *rx_ring =
                         (struct atl1e_rx_ring *)&adapter->rx_ring;
         struct atl1e_tx_ring *tx_ring =
                         (struct atl1e_tx_ring *)&adapter->tx_ring;
         struct atl1e_rx_page_desc *rx_page_desc = NULL;
         int j;
 
         AT_WRITE_REG(hw, REG_DESC_BASE_ADDR_HI, 0);
         AT_WRITE_REG(hw, REG_TPD_BASE_ADDR_LO, tx_ring->dma);
         AT_WRITE_REG(hw, REG_TPD_RING_SIZE, (u16)(tx_ring->count));
         AT_WRITE_REG(hw, REG_HOST_TX_CMB_LO, tx_ring->cmb_dma);
 
         rx_page_desc = &rx_ring->rx_page_desc;
 
         /* RXF Page Physical address / Page Length */
         AT_WRITE_REG(hw, REG_RXF0_BASE_ADDR_HI, 0);
 
         for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) {
                 u32 page_phy_addr;
                 u32 offset_phy_addr;
 
                 page_phy_addr = rx_page_desc->rx_page[j].dma;
                 offset_phy_addr = rx_page_desc->rx_page[j].write_offset_dma;
 
                 AT_WRITE_REG(hw, atl1e_rx_page_lo_addr_regs[j], page_phy_addr);
                 AT_WRITE_REG(hw, atl1e_rx_page_write_offset_regs[j],
                              offset_phy_addr);
                 AT_WRITE_REGB(hw, atl1e_rx_page_vld_regs[j], 1);
         }
 
         /* Page Length */
         AT_WRITE_REG(hw, REG_HOST_RXFPAGE_SIZE, rx_ring->page_size);
         /* Load all of base address above */
         AT_WRITE_REG(hw, REG_LOAD_PTR, 1);
 
         return;
 }

References atl1e_hw::adapter, AT_PAGE_NUM_PER_QUEUE, AT_WRITE_REG, AT_WRITE_REGB, atl1e_rx_page_lo_addr_regs, atl1e_rx_page_vld_regs, atl1e_rx_page_write_offset_regs, atl1e_adapter::hw, NULL, REG_DESC_BASE_ADDR_HI, REG_HOST_RXFPAGE_SIZE, REG_HOST_TX_CMB_LO, REG_LOAD_PTR, REG_RXF0_BASE_ADDR_HI, REG_TPD_BASE_ADDR_LO, REG_TPD_RING_SIZE, rx_ring, atl1e_adapter::rx_ring, tx_ring, and atl1e_adapter::tx_ring.

Referenced by atl1e_configure().

◆ atl1e_configure_tx()

static void atl1e_configure_tx ( struct atl1e_adapter * adapter )

inlinestatic

Definition at line 515 of file atl1e.c.

 {
         struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw;
         u32 dev_ctrl_data = 0;
         u32 max_pay_load = 0;
         u32 jumbo_thresh = 0;
         u32 extra_size = 0;     /* Jumbo frame threshold in QWORD unit */
 
         /* configure TXQ param */
         if (hw->nic_type != athr_l2e_revB) {
                 extra_size = ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN;
                 jumbo_thresh = MAX_FRAME_SIZE + extra_size;
                 AT_WRITE_REG(hw, REG_TX_EARLY_TH, (jumbo_thresh + 7) >> 3);
         }
 
         dev_ctrl_data = AT_READ_REG(hw, REG_DEVICE_CTRL);
 
         max_pay_load  = ((dev_ctrl_data >> DEVICE_CTRL_MAX_PAYLOAD_SHIFT)) &
                         DEVICE_CTRL_MAX_PAYLOAD_MASK;
         if (max_pay_load < hw->dmaw_block)
                 hw->dmaw_block = max_pay_load;
 
         max_pay_load  = ((dev_ctrl_data >> DEVICE_CTRL_MAX_RREQ_SZ_SHIFT)) &
                         DEVICE_CTRL_MAX_RREQ_SZ_MASK;
         if (max_pay_load < hw->dmar_block)
                 hw->dmar_block = max_pay_load;
 
         if (hw->nic_type != athr_l2e_revB)
                 AT_WRITE_REGW(hw, REG_TXQ_CTRL + 2,
                               atl1e_pay_load_size[hw->dmar_block]);
         /* enable TXQ */
         AT_WRITE_REGW(hw, REG_TXQ_CTRL,
                         ((TPD_BURST & TXQ_CTRL_NUM_TPD_BURST_MASK)
                          << TXQ_CTRL_NUM_TPD_BURST_SHIFT)
                         | TXQ_CTRL_ENH_MODE | TXQ_CTRL_EN);
         return;
 }

References atl1e_hw::adapter, AT_READ_REG, AT_WRITE_REG, AT_WRITE_REGW, athr_l2e_revB, atl1e_pay_load_size, DEVICE_CTRL_MAX_PAYLOAD_MASK, DEVICE_CTRL_MAX_PAYLOAD_SHIFT, DEVICE_CTRL_MAX_RREQ_SZ_MASK, DEVICE_CTRL_MAX_RREQ_SZ_SHIFT, atl1e_hw::dmar_block, atl1e_hw::dmaw_block, ETH_FCS_LEN, ETH_HLEN, atl1e_adapter::hw, if(), MAX_FRAME_SIZE, REG_DEVICE_CTRL, REG_TX_EARLY_TH, REG_TXQ_CTRL, TPD_BURST, TXQ_CTRL_EN, TXQ_CTRL_ENH_MODE, TXQ_CTRL_NUM_TPD_BURST_MASK, TXQ_CTRL_NUM_TPD_BURST_SHIFT, and VLAN_HLEN.

Referenced by atl1e_configure().

◆ atl1e_configure_rx()

static void atl1e_configure_rx ( struct atl1e_adapter * adapter )

inlinestatic

Definition at line 553 of file atl1e.c.

 {
         struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw;
         u32 rxf_len  = 0;
         u32 rxf_low  = 0;
         u32 rxf_high = 0;
         u32 rxf_thresh_data = 0;
         u32 rxq_ctrl_data = 0;
 
         if (hw->nic_type != athr_l2e_revB) {
                 AT_WRITE_REGW(hw, REG_RXQ_JMBOSZ_RRDTIM,
                               (u16)((RX_JUMBO_THRESH & RXQ_JMBOSZ_TH_MASK) <<
                               RXQ_JMBOSZ_TH_SHIFT |
                               (1 & RXQ_JMBO_LKAH_MASK) <<
                               RXQ_JMBO_LKAH_SHIFT));
 
                 rxf_len  = AT_READ_REG(hw, REG_SRAM_RXF_LEN);
                 rxf_high = rxf_len * 4 / 5;
                 rxf_low  = rxf_len / 5;
                 rxf_thresh_data = ((rxf_high  & RXQ_RXF_PAUSE_TH_HI_MASK)
                                   << RXQ_RXF_PAUSE_TH_HI_SHIFT) |
                                   ((rxf_low & RXQ_RXF_PAUSE_TH_LO_MASK)
                                   << RXQ_RXF_PAUSE_TH_LO_SHIFT);
 
                 AT_WRITE_REG(hw, REG_RXQ_RXF_PAUSE_THRESH, rxf_thresh_data);
         }
 
         /* RRS */
         AT_WRITE_REG(hw, REG_IDT_TABLE, 0);
         AT_WRITE_REG(hw, REG_BASE_CPU_NUMBER, 0);
 
         rxq_ctrl_data |= RXQ_CTRL_PBA_ALIGN_32 |
                          RXQ_CTRL_CUT_THRU_EN | RXQ_CTRL_EN;
 
         AT_WRITE_REG(hw, REG_RXQ_CTRL, rxq_ctrl_data);
         return;
 }

References atl1e_hw::adapter, AT_READ_REG, AT_WRITE_REG, AT_WRITE_REGW, athr_l2e_revB, atl1e_adapter::hw, if(), REG_BASE_CPU_NUMBER, REG_IDT_TABLE, REG_RXQ_CTRL, REG_RXQ_JMBOSZ_RRDTIM, REG_RXQ_RXF_PAUSE_THRESH, REG_SRAM_RXF_LEN, RX_JUMBO_THRESH, RXQ_CTRL_CUT_THRU_EN, RXQ_CTRL_EN, RXQ_CTRL_PBA_ALIGN_32, RXQ_JMBO_LKAH_MASK, RXQ_JMBO_LKAH_SHIFT, RXQ_JMBOSZ_TH_MASK, RXQ_JMBOSZ_TH_SHIFT, RXQ_RXF_PAUSE_TH_HI_MASK, RXQ_RXF_PAUSE_TH_HI_SHIFT, RXQ_RXF_PAUSE_TH_LO_MASK, and RXQ_RXF_PAUSE_TH_LO_SHIFT.

Referenced by atl1e_configure().

◆ atl1e_configure_dma()

static void atl1e_configure_dma ( struct atl1e_adapter * adapter )

inlinestatic

Definition at line 591 of file atl1e.c.

 {
         struct atl1e_hw *hw = &adapter->hw;
         u32 dma_ctrl_data = 0;
 
         dma_ctrl_data = DMA_CTRL_RXCMB_EN;
         dma_ctrl_data |= (((u32)hw->dmar_block) & DMA_CTRL_DMAR_BURST_LEN_MASK)
                 << DMA_CTRL_DMAR_BURST_LEN_SHIFT;
         dma_ctrl_data |= (((u32)hw->dmaw_block) & DMA_CTRL_DMAW_BURST_LEN_MASK)
                 << DMA_CTRL_DMAW_BURST_LEN_SHIFT;
         dma_ctrl_data |= DMA_CTRL_DMAR_REQ_PRI | DMA_CTRL_DMAR_OUT_ORDER;
         dma_ctrl_data |= (DMAR_DLY_CNT & DMA_CTRL_DMAR_DLY_CNT_MASK)
                 << DMA_CTRL_DMAR_DLY_CNT_SHIFT;
         dma_ctrl_data |= (DMAW_DLY_CNT & DMA_CTRL_DMAW_DLY_CNT_MASK)
                 << DMA_CTRL_DMAW_DLY_CNT_SHIFT;
 
         AT_WRITE_REG(hw, REG_DMA_CTRL, dma_ctrl_data);
         return;
 }

References atl1e_hw::adapter, AT_WRITE_REG, DMA_CTRL_DMAR_BURST_LEN_MASK, DMA_CTRL_DMAR_BURST_LEN_SHIFT, DMA_CTRL_DMAR_DLY_CNT_MASK, DMA_CTRL_DMAR_DLY_CNT_SHIFT, DMA_CTRL_DMAR_OUT_ORDER, DMA_CTRL_DMAR_REQ_PRI, DMA_CTRL_DMAW_BURST_LEN_MASK, DMA_CTRL_DMAW_BURST_LEN_SHIFT, DMA_CTRL_DMAW_DLY_CNT_MASK, DMA_CTRL_DMAW_DLY_CNT_SHIFT, DMA_CTRL_RXCMB_EN, DMAR_DLY_CNT, DMAW_DLY_CNT, atl1e_adapter::hw, REG_DMA_CTRL, and u32.

Referenced by atl1e_configure().

◆ atl1e_configure()

static int atl1e_configure ( struct atl1e_adapter * adapter )

static

Definition at line 643 of file atl1e.c.

 {
         struct atl1e_hw *hw = &adapter->hw;
         u32 intr_status_data = 0;
 
         /* clear interrupt status */
         AT_WRITE_REG(hw, REG_ISR, ~0);
 
         /* 1. set MAC Address */
         atl1e_hw_set_mac_addr(hw);
 
         /* 2. Init the Multicast HASH table (clear) */
         AT_WRITE_REG(hw, REG_RX_HASH_TABLE, 0);
         AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0);
 
         /* 3. Clear any WOL status */
         AT_WRITE_REG(hw, REG_WOL_CTRL, 0);
 
         /* 4. Descripter Ring BaseMem/Length/Read ptr/Write ptr
          *    TPD Ring/SMB/RXF0 Page CMBs, they use the same
          *    High 32bits memory */
         atl1e_configure_des_ring(adapter);
 
         /* 5. set Interrupt Moderator Timer */
         AT_WRITE_REGW(hw, REG_IRQ_MODU_TIMER_INIT, IMT_VAL);
         AT_WRITE_REGW(hw, REG_IRQ_MODU_TIMER2_INIT, IMT_VAL);
         AT_WRITE_REG(hw, REG_MASTER_CTRL, MASTER_CTRL_LED_MODE |
                         MASTER_CTRL_ITIMER_EN | MASTER_CTRL_ITIMER2_EN);
 
         /* 6. rx/tx threshold to trig interrupt */
         AT_WRITE_REGW(hw, REG_TRIG_RRD_THRESH, RRD_THRESH);
         AT_WRITE_REGW(hw, REG_TRIG_TPD_THRESH, TPD_THRESH);
         AT_WRITE_REGW(hw, REG_TRIG_RXTIMER, RX_COUNT_DOWN);
         AT_WRITE_REGW(hw, REG_TRIG_TXTIMER, TX_COUNT_DOWN);
 
         /* 7. set Interrupt Clear Timer */
         AT_WRITE_REGW(hw, REG_CMBDISDMA_TIMER, ICT_VAL);
 
         /* 8. set MTU */
         AT_WRITE_REG(hw, REG_MTU, MAX_FRAME_SIZE + ETH_HLEN +
                         VLAN_HLEN + ETH_FCS_LEN);
 
         /* 9. config TXQ early tx threshold */
         atl1e_configure_tx(adapter);
 
         /* 10. config RXQ */
         atl1e_configure_rx(adapter);
 
         /* 11. config  DMA Engine */
         atl1e_configure_dma(adapter);
 
         /* 12. smb timer to trig interrupt */
         AT_WRITE_REG(hw, REG_SMB_STAT_TIMER, SMB_TIMER);
 
         intr_status_data = AT_READ_REG(hw, REG_ISR);
         if ((intr_status_data & ISR_PHY_LINKDOWN) != 0) {
                 DBG("atl1e: configure failed, PCIE phy link down\n");
                 return -1;
         }
 
         AT_WRITE_REG(hw, REG_ISR, 0x7fffffff);
         return 0;
 }

References atl1e_hw::adapter, AT_READ_REG, AT_WRITE_REG, AT_WRITE_REG_ARRAY, AT_WRITE_REGW, atl1e_configure_des_ring(), atl1e_configure_dma(), atl1e_configure_rx(), atl1e_configure_tx(), atl1e_hw_set_mac_addr(), DBG, ETH_FCS_LEN, ETH_HLEN, atl1e_adapter::hw, ICT_VAL, IMT_VAL, ISR_PHY_LINKDOWN, MASTER_CTRL_ITIMER2_EN, MASTER_CTRL_ITIMER_EN, MASTER_CTRL_LED_MODE, MAX_FRAME_SIZE, REG_CMBDISDMA_TIMER, REG_IRQ_MODU_TIMER2_INIT, REG_IRQ_MODU_TIMER_INIT, REG_ISR, REG_MASTER_CTRL, REG_MTU, REG_RX_HASH_TABLE, REG_SMB_STAT_TIMER, REG_TRIG_RRD_THRESH, REG_TRIG_RXTIMER, REG_TRIG_TPD_THRESH, REG_TRIG_TXTIMER, REG_WOL_CTRL, RRD_THRESH, RX_COUNT_DOWN, SMB_TIMER, TPD_THRESH, TX_COUNT_DOWN, and VLAN_HLEN.

Referenced by atl1e_up().

◆ atl1e_clear_phy_int()

static void atl1e_clear_phy_int ( struct atl1e_adapter * adapter )

inlinestatic

Definition at line 707 of file atl1e.c.

 {
         u16 phy_data;
 
         atl1e_read_phy_reg(&adapter->hw, MII_INT_STATUS, &phy_data);
 }

References atl1e_hw::adapter, atl1e_read_phy_reg(), atl1e_adapter::hw, and MII_INT_STATUS.

Referenced by atl1e_poll().

◆ atl1e_clean_tx_irq()

static int atl1e_clean_tx_irq ( struct atl1e_adapter * adapter )

static

Definition at line 714 of file atl1e.c.

 {
         struct atl1e_tx_ring *tx_ring = (struct atl1e_tx_ring *)
                                         &adapter->tx_ring;
         struct atl1e_tx_buffer *tx_buffer = NULL;
         u16 hw_next_to_clean = AT_READ_REGW(&adapter->hw, REG_TPD_CONS_IDX);
         u16 next_to_clean = tx_ring->next_to_clean;
 
         while (next_to_clean != hw_next_to_clean) {
                 tx_buffer = &tx_ring->tx_buffer[next_to_clean];
 
                 tx_buffer->dma = 0;
                 if (tx_buffer->iob) {
                         netdev_tx_complete(adapter->netdev, tx_buffer->iob);
                         tx_buffer->iob = NULL;
                 }
 
                 if (++next_to_clean == tx_ring->count)
                         next_to_clean = 0;
         }
 
         tx_ring->next_to_clean = next_to_clean;
 
         return 1;
 }

References AT_READ_REGW, atl1e_tx_buffer::dma, atl1e_adapter::hw, atl1e_tx_buffer::iob, atl1e_adapter::netdev, netdev_tx_complete(), atl1e_tx_ring::next_to_clean, NULL, REG_TPD_CONS_IDX, atl1e_tx_ring::tx_buffer, tx_ring, and atl1e_adapter::tx_ring.

Referenced by atl1e_poll().

◆ atl1e_get_rx_page()

static struct atl1e_rx_page* atl1e_get_rx_page ( struct atl1e_adapter * adapter )

static

Definition at line 740 of file atl1e.c.

 {
         struct atl1e_rx_page_desc *rx_page_desc =
                 (struct atl1e_rx_page_desc *) &adapter->rx_ring.rx_page_desc;
         u8 rx_using = rx_page_desc->rx_using;
 
         return (struct atl1e_rx_page *)&(rx_page_desc->rx_page[rx_using]);
 }

References return, atl1e_rx_page_desc::rx_page, atl1e_rx_ring::rx_page_desc, atl1e_adapter::rx_ring, and atl1e_rx_page_desc::rx_using.

Referenced by atl1e_clean_rx_irq().

◆ atl1e_clean_rx_irq()

static void atl1e_clean_rx_irq ( struct atl1e_adapter * adapter )

static

Definition at line 749 of file atl1e.c.

 {
         struct net_device *netdev  = adapter->netdev;
         struct atl1e_rx_ring *rx_ring = (struct atl1e_rx_ring *)
                                          &adapter->rx_ring;
         struct atl1e_rx_page_desc *rx_page_desc =
                 (struct atl1e_rx_page_desc *) &rx_ring->rx_page_desc;
         struct io_buffer *iob = NULL;
         struct atl1e_rx_page *rx_page = atl1e_get_rx_page(adapter);
         u32 packet_size, write_offset;
         struct atl1e_recv_ret_status *prrs;
 
         write_offset = *(rx_page->write_offset_addr);
         if (rx_page->read_offset >= write_offset)
                 return;
 
         do {
                 /* get new packet's  rrs */
                 prrs = (struct atl1e_recv_ret_status *) (rx_page->addr +
                                                          rx_page->read_offset);
                 /* check sequence number */
                 if (prrs->seq_num != rx_page_desc->rx_nxseq) {
                         DBG("atl1e %s: RX sequence number error (%d != %d)\n",
                             netdev->name, prrs->seq_num,
                             rx_page_desc->rx_nxseq);
                         rx_page_desc->rx_nxseq++;
                         goto fatal_err;
                 }
 
                 rx_page_desc->rx_nxseq++;
 
                 /* error packet */
                 if (prrs->pkt_flag & RRS_IS_ERR_FRAME) {
                         if (prrs->err_flag & (RRS_ERR_BAD_CRC |
                                               RRS_ERR_DRIBBLE | RRS_ERR_CODE |
                                               RRS_ERR_TRUNC)) {
                                 /* hardware error, discard this
                                    packet */
                                 netdev_rx_err(netdev, NULL, EIO);
                                 goto skip_pkt;
                         }
                 }
 
                 packet_size = ((prrs->word1 >> RRS_PKT_SIZE_SHIFT) &
                                RRS_PKT_SIZE_MASK) - ETH_FCS_LEN;
                 iob = alloc_iob(packet_size + NET_IP_ALIGN);
                 if (iob == NULL) {
                         DBG("atl1e %s: dropping packet under memory pressure\n",
                             netdev->name);
                         goto skip_pkt;
                 }
                 iob_reserve(iob, NET_IP_ALIGN);
                 memcpy(iob->data, (u8 *)(prrs + 1), packet_size);
                 iob_put(iob, packet_size);
 
                 netdev_rx(netdev, iob);
 
 skip_pkt:
                 /* skip current packet whether it's ok or not. */
                 rx_page->read_offset +=
                         (((u32)((prrs->word1 >> RRS_PKT_SIZE_SHIFT) &
                                 RRS_PKT_SIZE_MASK) +
                           sizeof(struct atl1e_recv_ret_status) + 31) &
                          0xFFFFFFE0);
 
                 if (rx_page->read_offset >= rx_ring->page_size) {
                         /* mark this page clean */
                         u16 reg_addr;
                         u8  rx_using;
 
                         rx_page->read_offset =
                                 *(rx_page->write_offset_addr) = 0;
                         rx_using = rx_page_desc->rx_using;
                         reg_addr =
                                 atl1e_rx_page_vld_regs[rx_using];
                         AT_WRITE_REGB(&adapter->hw, reg_addr, 1);
                         rx_page_desc->rx_using ^= 1;
                         rx_page = atl1e_get_rx_page(adapter);
                 }
                 write_offset = *(rx_page->write_offset_addr);
         } while (rx_page->read_offset < write_offset);
 
         return;
 
 fatal_err:
         if (!netdev_link_ok(adapter->netdev))
                 atl1e_reset(adapter);
 }

References atl1e_rx_page::addr, alloc_iob(), AT_WRITE_REGB, atl1e_get_rx_page(), atl1e_reset(), atl1e_rx_page_vld_regs, io_buffer::data, DBG, EIO, atl1e_recv_ret_status::err_flag, ETH_FCS_LEN, atl1e_adapter::hw, iob_put, iob_reserve, memcpy(), net_device::name, NET_IP_ALIGN, netdev, atl1e_adapter::netdev, netdev_link_ok(), netdev_rx(), netdev_rx_err(), NULL, atl1e_recv_ret_status::pkt_flag, atl1e_rx_page::read_offset, RRS_ERR_BAD_CRC, RRS_ERR_CODE, RRS_ERR_DRIBBLE, RRS_ERR_TRUNC, RRS_IS_ERR_FRAME, RRS_PKT_SIZE_MASK, RRS_PKT_SIZE_SHIFT, atl1e_rx_ring::rx_page_desc, rx_ring, atl1e_adapter::rx_ring, atl1e_recv_ret_status::seq_num, u32, atl1e_recv_ret_status::word1, and atl1e_rx_page::write_offset_addr.

Referenced by atl1e_poll().

◆ atl1e_poll()

static void atl1e_poll ( struct net_device * netdev )

static

Definition at line 842 of file atl1e.c.

 {
         struct atl1e_adapter *adapter = netdev->priv;
         struct atl1e_hw *hw = &adapter->hw;
         int max_ints = 64;
         u32 status;
 
         do {
                 status = AT_READ_REG(hw, REG_ISR);
                 if ((status & IMR_NORMAL_MASK) == 0)
                         break;
 
                 /* link event */
                 if (status & ISR_GPHY)
                         atl1e_clear_phy_int(adapter);
                 /* Ack ISR */
                 AT_WRITE_REG(hw, REG_ISR, status | ISR_DIS_INT);
 
                 /* check if PCIE PHY Link down */
                 if (status & ISR_PHY_LINKDOWN) {
                         DBG("atl1e: PCI-E PHY link down: %x\n", status);
                         if (netdev_link_ok(adapter->netdev)) {
                                 /* reset MAC */
                                 atl1e_irq_reset(adapter);
                                 atl1e_reset(adapter);
                                 break;
                         }
                 }
 
                 /* check if DMA read/write error */
                 if (status & (ISR_DMAR_TO_RST | ISR_DMAW_TO_RST)) {
                         DBG("atl1e: PCI-E DMA RW error: %x\n", status);
                         atl1e_irq_reset(adapter);
                         atl1e_reset(adapter);
                         break;
                 }
 
                 /* link event */
                 if (status & (ISR_GPHY | ISR_MANUAL)) {
                         atl1e_check_link(adapter);
                         break;
                 }
 
                 /* transmit event */
                 if (status & ISR_TX_EVENT)
                         atl1e_clean_tx_irq(adapter);
 
                 if (status & ISR_RX_EVENT)
                         atl1e_clean_rx_irq(adapter);
         } while (--max_ints > 0);
 
         /* re-enable Interrupt*/
         AT_WRITE_REG(&adapter->hw, REG_ISR, 0);
 
         return;
 }

References atl1e_hw::adapter, AT_READ_REG, AT_WRITE_REG, atl1e_check_link(), atl1e_clean_rx_irq(), atl1e_clean_tx_irq(), atl1e_clear_phy_int(), atl1e_irq_reset(), atl1e_reset(), DBG, atl1e_adapter::hw, IMR_NORMAL_MASK, ISR_DIS_INT, ISR_DMAR_TO_RST, ISR_DMAW_TO_RST, ISR_GPHY, ISR_MANUAL, ISR_PHY_LINKDOWN, ISR_RX_EVENT, ISR_TX_EVENT, netdev, atl1e_adapter::netdev, netdev_link_ok(), net_device::priv, REG_ISR, and status.

◆ atl1e_tpd_avail()

static u16 atl1e_tpd_avail ( struct atl1e_adapter * adapter )

inlinestatic

Definition at line 899 of file atl1e.c.

 {
         struct atl1e_tx_ring *tx_ring = &adapter->tx_ring;
         u16 next_to_use = 0;
         u16 next_to_clean = 0;
 
         next_to_clean = tx_ring->next_to_clean;
         next_to_use   = tx_ring->next_to_use;
 
         return (u16)(next_to_clean > next_to_use) ?
                 (next_to_clean - next_to_use - 1) :
                 (tx_ring->count + next_to_clean - next_to_use - 1);
 }

References atl1e_tx_ring::next_to_clean, atl1e_tx_ring::next_to_use, tx_ring, and atl1e_adapter::tx_ring.

Referenced by atl1e_xmit_frame().

◆ atl1e_get_tpd()

static struct atl1e_tpd_desc* atl1e_get_tpd ( struct atl1e_adapter * adapter )

static

Definition at line 918 of file atl1e.c.

 {
         struct atl1e_tx_ring *tx_ring = &adapter->tx_ring;
         u16 next_to_use = 0;
 
         next_to_use = tx_ring->next_to_use;
         if (++tx_ring->next_to_use == tx_ring->count)
                 tx_ring->next_to_use = 0;
 
         memset(&tx_ring->desc[next_to_use], 0, sizeof(struct atl1e_tpd_desc));
         return (struct atl1e_tpd_desc *)&tx_ring->desc[next_to_use];
 }

References memset(), atl1e_tx_ring::next_to_use, tx_ring, and atl1e_adapter::tx_ring.

Referenced by atl1e_xmit_frame().

◆ atl1e_get_tx_buffer()

static struct atl1e_tx_buffer* atl1e_get_tx_buffer	(	struct atl1e_adapter *	adapter,
		struct atl1e_tpd_desc *	tpd
	)

static

Definition at line 932 of file atl1e.c.

 {
         struct atl1e_tx_ring *tx_ring = &adapter->tx_ring;
 
         return &tx_ring->tx_buffer[tpd - tx_ring->desc];
 }

References tx_ring, and atl1e_adapter::tx_ring.

Referenced by atl1e_tx_map().

◆ atl1e_tx_map()

static void atl1e_tx_map	(	struct atl1e_adapter *	adapter,
		struct io_buffer *	iob,
		struct atl1e_tpd_desc *	tpd
	)

static

Definition at line 939 of file atl1e.c.

 {
         struct atl1e_tx_buffer *tx_buffer = NULL;
         u16 buf_len = iob_len(iob);
 
         tx_buffer = atl1e_get_tx_buffer(adapter, tpd);
         tx_buffer->iob = iob;
         tx_buffer->length = buf_len;
         tx_buffer->dma = virt_to_bus(iob->data);
         tpd->buffer_addr = cpu_to_le64(tx_buffer->dma);
         tpd->word2 = ((tpd->word2 & ~TPD_BUFLEN_MASK) |
                       ((cpu_to_le32(buf_len) & TPD_BUFLEN_MASK) <<
                        TPD_BUFLEN_SHIFT));
         tpd->word3 |= 1 << TPD_EOP_SHIFT;
 }

References atl1e_get_tx_buffer(), atl1e_tpd_desc::buffer_addr, cpu_to_le32, cpu_to_le64, io_buffer::data, atl1e_tx_buffer::dma, atl1e_tx_buffer::iob, iob_len(), atl1e_tx_buffer::length, NULL, TPD_BUFLEN_MASK, TPD_BUFLEN_SHIFT, TPD_EOP_SHIFT, virt_to_bus(), atl1e_tpd_desc::word2, and atl1e_tpd_desc::word3.

Referenced by atl1e_xmit_frame().

◆ atl1e_tx_queue()

static void atl1e_tx_queue	(	struct atl1e_adapter *	adapter,
		u16 count	__unused,
		struct atl1e_tpd_desc *tpd	__unused
	)

static

Definition at line 956 of file atl1e.c.

 {
         struct atl1e_tx_ring *tx_ring = &adapter->tx_ring;
         wmb();
         AT_WRITE_REG(&adapter->hw, REG_MB_TPD_PROD_IDX, tx_ring->next_to_use);
 }

References AT_WRITE_REG, atl1e_adapter::hw, REG_MB_TPD_PROD_IDX, tx_ring, atl1e_adapter::tx_ring, and wmb().

Referenced by atl1e_xmit_frame().

◆ atl1e_xmit_frame()

static int atl1e_xmit_frame	(	struct net_device *	netdev,
		struct io_buffer *	iob
	)

static

Definition at line 964 of file atl1e.c.

 {
         struct atl1e_adapter *adapter = netdev->priv;
         u16 tpd_req = 1;
         struct atl1e_tpd_desc *tpd;
 
         if (!netdev_link_ok(netdev)) {
                 return -EINVAL;
         }
 
         if (atl1e_tpd_avail(adapter) < tpd_req) {
                 return -EBUSY;
         }
 
         tpd = atl1e_get_tpd(adapter);
 
         atl1e_tx_map(adapter, iob, tpd);
         atl1e_tx_queue(adapter, tpd_req, tpd);
 
         return 0;
 }

References atl1e_get_tpd(), atl1e_tpd_avail(), atl1e_tx_map(), atl1e_tx_queue(), EBUSY, EINVAL, netdev, netdev_link_ok(), and net_device::priv.

◆ atl1e_up()

int atl1e_up ( struct atl1e_adapter * adapter )

Definition at line 986 of file atl1e.c.

 {
         struct net_device *netdev = adapter->netdev;
         int err = 0;
         u32 val;
 
         /* hardware has been reset, we need to reload some things */
         err = atl1e_init_hw(&adapter->hw);
         if (err) {
                 return -EIO;
         }
         atl1e_init_ring_ptrs(adapter);
 
         memcpy(adapter->hw.mac_addr, netdev->ll_addr, ETH_ALEN);
 
         if (atl1e_configure(adapter) != 0) {
                 return -EIO;
         }
 
         atl1e_irq_disable(adapter);
 
         val = AT_READ_REG(&adapter->hw, REG_MASTER_CTRL);
         AT_WRITE_REG(&adapter->hw, REG_MASTER_CTRL,
                       val | MASTER_CTRL_MANUAL_INT);
 
         return err;
 }

References AT_READ_REG, AT_WRITE_REG, atl1e_configure(), atl1e_init_hw(), atl1e_init_ring_ptrs(), atl1e_irq_disable(), EIO, ETH_ALEN, atl1e_adapter::hw, net_device::ll_addr, atl1e_hw::mac_addr, MASTER_CTRL_MANUAL_INT, memcpy(), netdev, atl1e_adapter::netdev, REG_MASTER_CTRL, and val.

Referenced by atl1e_open(), and atl1e_reset().

◆ atl1e_irq()

void atl1e_irq	(	struct net_device *	netdev,
		int	enable
	)

Definition at line 1014 of file atl1e.c.

 {
         struct atl1e_adapter *adapter = netdev->priv;
 
         if (enable)
                 atl1e_irq_enable(adapter);
         else
                 atl1e_irq_disable(adapter);
 }

References atl1e_irq_disable(), atl1e_irq_enable(), netdev, and net_device::priv.

◆ atl1e_down()

void atl1e_down ( struct atl1e_adapter * adapter )

Definition at line 1024 of file atl1e.c.

 {
         struct net_device *netdev = adapter->netdev;
 
         /* reset MAC to disable all RX/TX */
         atl1e_reset_hw(&adapter->hw);
         mdelay(1);
 
         netdev_link_down(netdev);
         adapter->link_speed = SPEED_0;
         adapter->link_duplex = -1;
 
         atl1e_clean_tx_ring(adapter);
         atl1e_clean_rx_ring(adapter);
 }

References atl1e_clean_rx_ring(), atl1e_clean_tx_ring(), atl1e_reset_hw(), atl1e_adapter::hw, atl1e_adapter::link_duplex, atl1e_adapter::link_speed, mdelay(), netdev, atl1e_adapter::netdev, netdev_link_down(), and SPEED_0.

Referenced by atl1e_close(), and atl1e_reset().

◆ atl1e_open()

static int atl1e_open ( struct net_device * netdev )

static

Definition at line 1052 of file atl1e.c.

 {
         struct atl1e_adapter *adapter = netdev->priv;
         int err;
 
         /* allocate rx/tx dma buffer & descriptors */
         atl1e_init_ring_resources(adapter);
         err = atl1e_setup_ring_resources(adapter);
         if (err)
                 return err;
 
         err = atl1e_up(adapter);
         if (err)
                 goto err_up;
 
         return 0;
 
 err_up:
         atl1e_free_ring_resources(adapter);
         atl1e_reset_hw(&adapter->hw);
 
         return err;
 }

References atl1e_free_ring_resources(), atl1e_init_ring_resources(), atl1e_reset_hw(), atl1e_setup_ring_resources(), atl1e_up(), atl1e_adapter::hw, netdev, and net_device::priv.

◆ atl1e_close()

static void atl1e_close ( struct net_device * netdev )

static

Definition at line 1087 of file atl1e.c.

 {
         struct atl1e_adapter *adapter = netdev->priv;
 
         atl1e_down(adapter);
         atl1e_free_ring_resources(adapter);
 }

References atl1e_down(), atl1e_free_ring_resources(), netdev, and net_device::priv.

◆ atl1e_init_netdev()

static void atl1e_init_netdev	(	struct net_device *	netdev,
		struct pci_device *	pdev
	)

static

Definition at line 1103 of file atl1e.c.

 {
         netdev_init(netdev, &atl1e_netdev_ops);
 
         netdev->dev = &pdev->dev;
         pci_set_drvdata(pdev, netdev);
 }

References atl1e_netdev_ops, pci_device::dev, net_device::dev, netdev, netdev_init(), and pci_set_drvdata().

Referenced by atl1e_probe().

◆ atl1e_probe()

static int atl1e_probe ( struct pci_device * pdev )

static

Definition at line 1122 of file atl1e.c.

 {
         struct net_device *netdev;
         struct atl1e_adapter *adapter = NULL;
         static int cards_found;
 
         int err = 0;
 
         adjust_pci_device(pdev);
 
         netdev = alloc_etherdev(sizeof(struct atl1e_adapter));
         if (netdev == NULL) {
                 err = -ENOMEM;
                 DBG("atl1e: out of memory allocating net_device\n");
                 goto err;
         }
 
         atl1e_init_netdev(netdev, pdev);
 
         adapter = netdev->priv;
         adapter->bd_number = cards_found;
         adapter->netdev = netdev;
         adapter->pdev = pdev;
         adapter->hw.adapter = adapter;
         if (!pdev->membase) {
                 err = -EIO;
                 DBG("atl1e: cannot map device registers\n");
                 goto err_free_netdev;
         }
         adapter->hw.hw_addr = bus_to_virt(pdev->membase);
 
         /* init mii data */
         adapter->mii.dev = netdev;
         adapter->mii.mdio_read  = atl1e_mdio_read;
         adapter->mii.mdio_write = atl1e_mdio_write;
         adapter->mii.phy_id_mask = 0x1f;
         adapter->mii.reg_num_mask = MDIO_REG_ADDR_MASK;
 
         /* get user settings */
         adapter->tx_ring.count = TX_DESC_COUNT;
         adapter->rx_ring.page_size = RX_MEM_SIZE;
 
         atl1e_setup_pcicmd(pdev);
 
         /* setup the private structure */
         err = atl1e_sw_init(adapter);
         if (err) {
                 DBG("atl1e: private data init failed\n");
                 goto err_free_netdev;
         }
 
         /* Init GPHY as early as possible due to power saving issue  */
         atl1e_phy_init(&adapter->hw);
 
         /* reset the controller to
          * put the device in a known good starting state */
         err = atl1e_reset_hw(&adapter->hw);
         if (err) {
                 err = -EIO;
                 goto err_free_netdev;
         }
 
         /* This may have been run by a zero-wait timer around
            now... unclear. */
         atl1e_restart_autoneg(&adapter->hw);
 
         if (atl1e_read_mac_addr(&adapter->hw) != 0) {
                 DBG("atl1e: cannot read MAC address from EEPROM\n");
                 err = -EIO;
                 goto err_free_netdev;
         }
 
         memcpy(netdev->hw_addr, adapter->hw.perm_mac_addr, ETH_ALEN);
         memcpy(netdev->ll_addr, adapter->hw.mac_addr, ETH_ALEN);
         DBG("atl1e: Attansic L1E Ethernet controller on %s, "
             "%02x:%02x:%02x:%02x:%02x:%02x\n", adapter->netdev->name,
             adapter->hw.mac_addr[0], adapter->hw.mac_addr[1],
             adapter->hw.mac_addr[2], adapter->hw.mac_addr[3],
             adapter->hw.mac_addr[4], adapter->hw.mac_addr[5]);
 
         err = register_netdev(netdev);
         if (err) {
                 DBG("atl1e: cannot register network device\n");
                 goto err_free_netdev;
         }
 
         cards_found++;
         return 0;
 
 err_free_netdev:
         netdev_nullify(netdev);
         netdev_put(netdev);
 err:
         return err;
 }

References atl1e_hw::adapter, adjust_pci_device(), alloc_etherdev(), atl1e_init_netdev(), atl1e_mdio_read(), atl1e_mdio_write(), atl1e_phy_init(), atl1e_read_mac_addr(), atl1e_reset_hw(), atl1e_restart_autoneg(), atl1e_setup_pcicmd(), atl1e_sw_init(), atl1e_adapter::bd_number, bus_to_virt(), atl1e_tx_ring::count, DBG, mii_if_info::dev, EIO, ENOMEM, ETH_ALEN, atl1e_adapter::hw, atl1e_hw::hw_addr, net_device::hw_addr, net_device::ll_addr, atl1e_hw::mac_addr, mii_if_info::mdio_read, MDIO_REG_ADDR_MASK, mii_if_info::mdio_write, pci_device::membase, memcpy(), atl1e_adapter::mii, net_device::name, netdev, atl1e_adapter::netdev, netdev_nullify(), netdev_put(), NULL, atl1e_rx_ring::page_size, atl1e_adapter::pdev, atl1e_hw::perm_mac_addr, mii_if_info::phy_id_mask, net_device::priv, mii_if_info::reg_num_mask, register_netdev(), RX_MEM_SIZE, atl1e_adapter::rx_ring, TX_DESC_COUNT, and atl1e_adapter::tx_ring.

◆ atl1e_remove()

static void atl1e_remove ( struct pci_device * pdev )

static

Definition at line 1227 of file atl1e.c.

 {
         struct net_device *netdev = pci_get_drvdata(pdev);
         struct atl1e_adapter *adapter = netdev->priv;
 
         unregister_netdev(netdev);
         atl1e_free_ring_resources(adapter);
         atl1e_force_ps(&adapter->hw);
         netdev_nullify(netdev);
         netdev_put(netdev);
 }

References atl1e_force_ps(), atl1e_free_ring_resources(), atl1e_adapter::hw, netdev, netdev_nullify(), netdev_put(), pci_get_drvdata(), net_device::priv, and unregister_netdev().

◆ atl1e_check_eeprom_exist()

int atl1e_check_eeprom_exist ( struct atl1e_hw * hw )

Definition at line 1252 of file atl1e.c.

 {
         u32 value;
 
         value = AT_READ_REG(hw, REG_SPI_FLASH_CTRL);
         if (value & SPI_FLASH_CTRL_EN_VPD) {
                 value &= ~SPI_FLASH_CTRL_EN_VPD;
                 AT_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value);
         }
         value = AT_READ_REGW(hw, REG_PCIE_CAP_LIST);
         return ((value & 0xFF00) == 0x6C00) ? 0 : 1;
 }

References AT_READ_REG, AT_READ_REGW, AT_WRITE_REG, REG_PCIE_CAP_LIST, REG_SPI_FLASH_CTRL, SPI_FLASH_CTRL_EN_VPD, and value.

Referenced by atl1e_get_permanent_address().

◆ atl1e_hw_set_mac_addr()

void atl1e_hw_set_mac_addr ( struct atl1e_hw * hw )

Definition at line 1265 of file atl1e.c.

 {
         u32 value;
         /*
          * 00-0B-6A-F6-00-DC
          * 0:  6AF600DC 1: 000B
          * low dword
          */
         value = (((u32)hw->mac_addr[2]) << 24) |
                 (((u32)hw->mac_addr[3]) << 16) |
                 (((u32)hw->mac_addr[4]) << 8)  |
                 (((u32)hw->mac_addr[5])) ;
         AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 0, value);
         /* hight dword */
         value = (((u32)hw->mac_addr[0]) << 8) |
                 (((u32)hw->mac_addr[1])) ;
         AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 1, value);
 }

References AT_WRITE_REG_ARRAY, REG_MAC_STA_ADDR, u32, and value.

Referenced by atl1e_configure().

◆ atl1e_get_permanent_address()

static int atl1e_get_permanent_address ( struct atl1e_hw * hw )

static

Definition at line 1288 of file atl1e.c.

 {
         union {
                 u32 dword[2];
                 u8 byte[8];
         } hw_addr;
         u32 i;
         u32 twsi_ctrl_data;
         u8  eth_addr[ETH_ALEN];
 
         if (!atl1e_check_eeprom_exist(hw)) {
                 /* eeprom exist */
                 twsi_ctrl_data = AT_READ_REG(hw, REG_TWSI_CTRL);
                 twsi_ctrl_data |= TWSI_CTRL_SW_LDSTART;
                 AT_WRITE_REG(hw, REG_TWSI_CTRL, twsi_ctrl_data);
                 for (i = 0; i < AT_TWSI_EEPROM_TIMEOUT; i++) {
                         mdelay(10);
                         twsi_ctrl_data = AT_READ_REG(hw, REG_TWSI_CTRL);
                         if ((twsi_ctrl_data & TWSI_CTRL_SW_LDSTART) == 0)
                                 break;
                 }
                 if (i >= AT_TWSI_EEPROM_TIMEOUT)
                         return AT_ERR_TIMEOUT;
         }
 
         /* maybe MAC-address is from BIOS */
         hw_addr.dword[0] = AT_READ_REG(hw, REG_MAC_STA_ADDR);
         hw_addr.dword[1] = AT_READ_REG(hw, REG_MAC_STA_ADDR + 4);
         for (i = 0; i < ETH_ALEN; i++) {
                 eth_addr[ETH_ALEN - i - 1] = hw_addr.byte[i];
         }
 
         memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN);
         return 0;
 }

References AT_ERR_TIMEOUT, AT_READ_REG, AT_TWSI_EEPROM_TIMEOUT, AT_WRITE_REG, atl1e_check_eeprom_exist(), ETH_ALEN, mdelay(), memcpy(), REG_MAC_STA_ADDR, REG_TWSI_CTRL, and TWSI_CTRL_SW_LDSTART.

Referenced by atl1e_read_mac_addr().

◆ atl1e_force_ps()

void atl1e_force_ps ( struct atl1e_hw * hw )

Definition at line 1324 of file atl1e.c.

 {
         AT_WRITE_REGW(hw, REG_GPHY_CTRL,
                         GPHY_CTRL_PW_WOL_DIS | GPHY_CTRL_EXT_RESET);
 }

References AT_WRITE_REGW, GPHY_CTRL_EXT_RESET, GPHY_CTRL_PW_WOL_DIS, and REG_GPHY_CTRL.

Referenced by atl1e_remove().

◆ atl1e_read_mac_addr()

int atl1e_read_mac_addr ( struct atl1e_hw * hw )

Definition at line 1335 of file atl1e.c.

 {
         int err = 0;
 
         err = atl1e_get_permanent_address(hw);
         if (err)
                 return AT_ERR_EEPROM;
         memcpy(hw->mac_addr, hw->perm_mac_addr, sizeof(hw->perm_mac_addr));
         return 0;
 }

References AT_ERR_EEPROM, atl1e_get_permanent_address(), and memcpy().

Referenced by atl1e_probe().

◆ atl1e_read_phy_reg()

int atl1e_read_phy_reg	(	struct atl1e_hw *	hw,
		u16	reg_addr,
		u16 *	phy_data
	)

Definition at line 1351 of file atl1e.c.

 {
         u32 val;
         int i;
 
         val = ((u32)(reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT |
                 MDIO_START | MDIO_SUP_PREAMBLE | MDIO_RW |
                 MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT;
 
         AT_WRITE_REG(hw, REG_MDIO_CTRL, val);
 
         wmb();
 
         for (i = 0; i < MDIO_WAIT_TIMES; i++) {
                 udelay(2);
                 val = AT_READ_REG(hw, REG_MDIO_CTRL);
                 if (!(val & (MDIO_START | MDIO_BUSY)))
                         break;
                 wmb();
         }
         if (!(val & (MDIO_START | MDIO_BUSY))) {
                 *phy_data = (u16)val;
                 return 0;
         }
 
         return AT_ERR_PHY;
 }

References AT_ERR_PHY, AT_READ_REG, AT_WRITE_REG, MDIO_BUSY, MDIO_CLK_25_4, MDIO_CLK_SEL_SHIFT, MDIO_REG_ADDR_MASK, MDIO_REG_ADDR_SHIFT, MDIO_RW, MDIO_START, MDIO_SUP_PREAMBLE, MDIO_WAIT_TIMES, REG_MDIO_CTRL, u16, u32, udelay(), val, and wmb().

Referenced by atl1e_check_link(), atl1e_clear_phy_int(), atl1e_get_speed_and_duplex(), and atl1e_mdio_read().

◆ atl1e_write_phy_reg()

int atl1e_write_phy_reg	(	struct atl1e_hw *	hw,
		u32	reg_addr,
		u16	phy_data
	)

Definition at line 1385 of file atl1e.c.

 {
         int i;
         u32 val;
 
         val = ((u32)(phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT |
                (reg_addr&MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT |
                MDIO_SUP_PREAMBLE |
                MDIO_START |
                MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT;
 
         AT_WRITE_REG(hw, REG_MDIO_CTRL, val);
         wmb();
 
         for (i = 0; i < MDIO_WAIT_TIMES; i++) {
                 udelay(2);
                 val = AT_READ_REG(hw, REG_MDIO_CTRL);
                 if (!(val & (MDIO_START | MDIO_BUSY)))
                         break;
                 wmb();
         }
 
         if (!(val & (MDIO_START | MDIO_BUSY)))
                 return 0;
 
         return AT_ERR_PHY;
 }

References AT_ERR_PHY, AT_READ_REG, AT_WRITE_REG, MDIO_BUSY, MDIO_CLK_25_4, MDIO_CLK_SEL_SHIFT, MDIO_DATA_MASK, MDIO_DATA_SHIFT, MDIO_REG_ADDR_MASK, MDIO_REG_ADDR_SHIFT, MDIO_START, MDIO_SUP_PREAMBLE, MDIO_WAIT_TIMES, REG_MDIO_CTRL, u32, udelay(), val, and wmb().

Referenced by atl1e_mdio_write(), atl1e_phy_commit(), atl1e_phy_init(), atl1e_phy_setup_autoneg_adv(), and atl1e_restart_autoneg().

◆ atl1e_init_pcie()

static void atl1e_init_pcie ( struct atl1e_hw * hw )

static

Definition at line 1416 of file atl1e.c.

 {
         u32 value;
         /* comment 2lines below to save more power when sususpend
            value = LTSSM_TEST_MODE_DEF;
            AT_WRITE_REG(hw, REG_LTSSM_TEST_MODE, value);
          */
 
         /* pcie flow control mode change */
         value = AT_READ_REG(hw, 0x1008);
         value |= 0x8000;
         AT_WRITE_REG(hw, 0x1008, value);
 }

References AT_READ_REG, AT_WRITE_REG, and value.

Referenced by atl1e_init_hw().

◆ atl1e_phy_setup_autoneg_adv()

static int atl1e_phy_setup_autoneg_adv ( struct atl1e_hw * hw )

static

Definition at line 1434 of file atl1e.c.

 {
         s32 ret_val;
         u16 mii_autoneg_adv_reg;
         u16 mii_1000t_ctrl_reg;
 
         if (0 != hw->mii_autoneg_adv_reg)
                 return 0;
         /* Read the MII Auto-Neg Advertisement Register (Address 4/9). */
         mii_autoneg_adv_reg = MII_AR_DEFAULT_CAP_MASK;
         mii_1000t_ctrl_reg  = MII_AT001_CR_1000T_DEFAULT_CAP_MASK;
 
         /*
          * First we clear all the 10/100 mb speed bits in the Auto-Neg
          * Advertisement Register (Address 4) and the 1000 mb speed bits in
          * the  1000Base-T control Register (Address 9).
          */
         mii_autoneg_adv_reg &= ~MII_AR_SPEED_MASK;
         mii_1000t_ctrl_reg  &= ~MII_AT001_CR_1000T_SPEED_MASK;
 
         /* Assume auto-detect media type */
         mii_autoneg_adv_reg |= (MII_AR_10T_HD_CAPS   |
                                 MII_AR_10T_FD_CAPS   |
                                 MII_AR_100TX_HD_CAPS |
                                 MII_AR_100TX_FD_CAPS);
         if (hw->nic_type == athr_l1e) {
                 mii_1000t_ctrl_reg |= MII_AT001_CR_1000T_FD_CAPS;
         }
 
         /* flow control fixed to enable all */
         mii_autoneg_adv_reg |= (MII_AR_ASM_DIR | MII_AR_PAUSE);
 
         hw->mii_autoneg_adv_reg = mii_autoneg_adv_reg;
         hw->mii_1000t_ctrl_reg  = mii_1000t_ctrl_reg;
 
         ret_val = atl1e_write_phy_reg(hw, MII_ADVERTISE, mii_autoneg_adv_reg);
         if (ret_val)
                 return ret_val;
 
         if (hw->nic_type == athr_l1e || hw->nic_type == athr_l2e_revA) {
                 ret_val = atl1e_write_phy_reg(hw, MII_AT001_CR,
                                            mii_1000t_ctrl_reg);
                 if (ret_val)
                         return ret_val;
         }
 
         return 0;
 }

References athr_l1e, athr_l2e_revA, atl1e_write_phy_reg(), MII_ADVERTISE, MII_AR_100TX_FD_CAPS, MII_AR_100TX_HD_CAPS, MII_AR_10T_FD_CAPS, MII_AR_10T_HD_CAPS, MII_AR_ASM_DIR, MII_AR_DEFAULT_CAP_MASK, MII_AR_PAUSE, MII_AR_SPEED_MASK, MII_AT001_CR, MII_AT001_CR_1000T_DEFAULT_CAP_MASK, MII_AT001_CR_1000T_FD_CAPS, and MII_AT001_CR_1000T_SPEED_MASK.

Referenced by atl1e_phy_init().

◆ atl1e_phy_commit()

int atl1e_phy_commit ( struct atl1e_hw * hw )

Definition at line 1491 of file atl1e.c.

 {
         int ret_val;
         u16 phy_data;
 
         phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG;
 
         ret_val = atl1e_write_phy_reg(hw, MII_BMCR, phy_data);
         if (ret_val) {
                 u32 val;
                 int i;
                 /**************************************
                  * pcie serdes link may be down !
                  **************************************/
                 for (i = 0; i < 25; i++) {
                         mdelay(1);
                         val = AT_READ_REG(hw, REG_MDIO_CTRL);
                         if (!(val & (MDIO_START | MDIO_BUSY)))
                                 break;
                 }
 
                 if (0 != (val & (MDIO_START | MDIO_BUSY))) {
                         DBG("atl1e: PCI-E link down for at least 25ms\n");
                         return ret_val;
                 }
 
                 DBG("atl1e: PCI-E link up after %d ms\n", i);
         }
         return 0;
 }

References AT_READ_REG, atl1e_write_phy_reg(), DBG, mdelay(), MDIO_BUSY, MDIO_START, MII_BMCR, MII_CR_AUTO_NEG_EN, MII_CR_RESET, MII_CR_RESTART_AUTO_NEG, REG_MDIO_CTRL, and val.

Referenced by atl1e_phy_init().

◆ atl1e_phy_init()

int atl1e_phy_init ( struct atl1e_hw * hw )

Definition at line 1522 of file atl1e.c.

 {
         s32 ret_val;
         u16 phy_val;
 
         if (hw->phy_configured) {
                 if (hw->re_autoneg) {
                         hw->re_autoneg = 0;
                         return atl1e_restart_autoneg(hw);
                 }
                 return 0;
         }
 
         /* RESET GPHY Core */
         AT_WRITE_REGW(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT);
         mdelay(2);
         AT_WRITE_REGW(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT |
                       GPHY_CTRL_EXT_RESET);
         mdelay(2);
 
         /* patches */
         /* p1. eable hibernation mode */
         ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0xB);
         if (ret_val)
                 return ret_val;
         ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0xBC00);
         if (ret_val)
                 return ret_val;
         /* p2. set Class A/B for all modes */
         ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0);
         if (ret_val)
                 return ret_val;
         phy_val = 0x02ef;
         /* remove Class AB */
         /* phy_val = hw->emi_ca ? 0x02ef : 0x02df; */
         ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, phy_val);
         if (ret_val)
                 return ret_val;
         /* p3. 10B ??? */
         ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x12);
         if (ret_val)
                 return ret_val;
         ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x4C04);
         if (ret_val)
                 return ret_val;
         /* p4. 1000T power */
         ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x4);
         if (ret_val)
                 return ret_val;
         ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x8BBB);
         if (ret_val)
                 return ret_val;
 
         ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x5);
         if (ret_val)
                 return ret_val;
         ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x2C46);
         if (ret_val)
                 return ret_val;
 
         mdelay(1);
 
         /*Enable PHY LinkChange Interrupt */
         ret_val = atl1e_write_phy_reg(hw, MII_INT_CTRL, 0xC00);
         if (ret_val) {
                 DBG("atl1e: Error enable PHY linkChange Interrupt\n");
                 return ret_val;
         }
         /* setup AutoNeg parameters */
         ret_val = atl1e_phy_setup_autoneg_adv(hw);
         if (ret_val) {
                 DBG("atl1e: Error Setting up Auto-Negotiation\n");
                 return ret_val;
         }
         /* SW.Reset & En-Auto-Neg to restart Auto-Neg*/
         DBG("atl1e: Restarting Auto-Neg");
         ret_val = atl1e_phy_commit(hw);
         if (ret_val) {
                 DBG("atl1e: Error Resetting the phy");
                 return ret_val;
         }
 
         hw->phy_configured = 1;
 
         return 0;
 }

References AT_WRITE_REGW, atl1e_phy_commit(), atl1e_phy_setup_autoneg_adv(), atl1e_restart_autoneg(), atl1e_write_phy_reg(), DBG, GPHY_CTRL_DEFAULT, GPHY_CTRL_EXT_RESET, mdelay(), MII_DBG_ADDR, MII_DBG_DATA, MII_INT_CTRL, and REG_GPHY_CTRL.

Referenced by atl1e_init_hw(), and atl1e_probe().

◆ atl1e_reset_hw()

s32 atl1e_reset_hw ( struct atl1e_hw * hw )

Definition at line 1614 of file atl1e.c.

 {
         struct atl1e_adapter *adapter = hw->adapter;
         struct pci_device *pdev = adapter->pdev;
         int timeout = 0;
         u32 idle_status_data = 0;
         u16 pci_cfg_cmd_word = 0;
 
         /* Workaround for PCI problem when BIOS sets MMRBC incorrectly. */
         pci_read_config_word(pdev, PCI_COMMAND, &pci_cfg_cmd_word);
         if ((pci_cfg_cmd_word & (PCI_COMMAND_IO | PCI_COMMAND_MEM |
                                  PCI_COMMAND_MASTER))
                         != (PCI_COMMAND_IO | PCI_COMMAND_MEM |
                             PCI_COMMAND_MASTER)) {
                 pci_cfg_cmd_word |= (PCI_COMMAND_IO | PCI_COMMAND_MEM |
                                      PCI_COMMAND_MASTER);
                 pci_write_config_word(pdev, PCI_COMMAND, pci_cfg_cmd_word);
         }
 
         /*
          * Issue Soft Reset to the MAC.  This will reset the chip's
          * transmit, receive, DMA.  It will not effect
          * the current PCI configuration.  The global reset bit is self-
          * clearing, and should clear within a microsecond.
          */
         AT_WRITE_REG(hw, REG_MASTER_CTRL,
                         MASTER_CTRL_LED_MODE | MASTER_CTRL_SOFT_RST);
         wmb();
         mdelay(1);
 
         /* Wait at least 10ms for All module to be Idle */
         for (timeout = 0; timeout < AT_HW_MAX_IDLE_DELAY; timeout++) {
                 idle_status_data = AT_READ_REG(hw, REG_IDLE_STATUS);
                 if (idle_status_data == 0)
                         break;
                 mdelay(1);
         }
 
         if (timeout >= AT_HW_MAX_IDLE_DELAY) {
                 DBG("atl1e: MAC reset timeout\n");
                 return AT_ERR_TIMEOUT;
         }
 
         return 0;
 }

References AT_ERR_TIMEOUT, AT_HW_MAX_IDLE_DELAY, AT_READ_REG, AT_WRITE_REG, DBG, MASTER_CTRL_LED_MODE, MASTER_CTRL_SOFT_RST, mdelay(), PCI_COMMAND, PCI_COMMAND_IO, PCI_COMMAND_MASTER, PCI_COMMAND_MEM, pci_read_config_word(), pci_write_config_word(), atl1e_adapter::pdev, REG_IDLE_STATUS, REG_MASTER_CTRL, timeout(), and wmb().

Referenced by atl1e_down(), atl1e_open(), and atl1e_probe().

◆ atl1e_init_hw()

int atl1e_init_hw ( struct atl1e_hw * hw )

Definition at line 1670 of file atl1e.c.

 {
         s32 ret_val = 0;
 
         atl1e_init_pcie(hw);
 
         /* Zero out the Multicast HASH table */
         /* clear the old settings from the multicast hash table */
         AT_WRITE_REG(hw, REG_RX_HASH_TABLE, 0);
         AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0);
 
         ret_val = atl1e_phy_init(hw);
 
         return ret_val;
 }

References AT_WRITE_REG, AT_WRITE_REG_ARRAY, atl1e_init_pcie(), atl1e_phy_init(), and REG_RX_HASH_TABLE.

Referenced by atl1e_up().

◆ atl1e_get_speed_and_duplex()

int atl1e_get_speed_and_duplex	(	struct atl1e_hw *	hw,
		u16 *	speed,
		u16 *	duplex
	)

Definition at line 1693 of file atl1e.c.

 {
         int err;
         u16 phy_data;
 
         /* Read   PHY Specific Status Register (17) */
         err = atl1e_read_phy_reg(hw, MII_AT001_PSSR, &phy_data);
         if (err)
                 return err;
 
         if (!(phy_data & MII_AT001_PSSR_SPD_DPLX_RESOLVED))
                 return AT_ERR_PHY_RES;
 
         switch (phy_data & MII_AT001_PSSR_SPEED) {
         case MII_AT001_PSSR_1000MBS:
                 *speed = SPEED_1000;
                 break;
         case MII_AT001_PSSR_100MBS:
                 *speed = SPEED_100;
                 break;
         case MII_AT001_PSSR_10MBS:
                 *speed = SPEED_10;
                 break;
         default:
                 return AT_ERR_PHY_SPEED;
                 break;
         }
 
         if (phy_data & MII_AT001_PSSR_DPLX)
                 *duplex = FULL_DUPLEX;
         else
                 *duplex = HALF_DUPLEX;
 
         return 0;
 }

References AT_ERR_PHY_RES, AT_ERR_PHY_SPEED, atl1e_read_phy_reg(), FULL_DUPLEX, HALF_DUPLEX, MII_AT001_PSSR, MII_AT001_PSSR_1000MBS, MII_AT001_PSSR_100MBS, MII_AT001_PSSR_10MBS, MII_AT001_PSSR_DPLX, MII_AT001_PSSR_SPD_DPLX_RESOLVED, MII_AT001_PSSR_SPEED, SPEED_10, SPEED_100, and SPEED_1000.

Referenced by atl1e_check_link().

◆ atl1e_restart_autoneg()

int atl1e_restart_autoneg ( struct atl1e_hw * hw )

Definition at line 1729 of file atl1e.c.

 {
         int err = 0;
 
         err = atl1e_write_phy_reg(hw, MII_ADVERTISE, hw->mii_autoneg_adv_reg);
         if (err)
                 return err;
 
         if (hw->nic_type == athr_l1e || hw->nic_type == athr_l2e_revA) {
                 err = atl1e_write_phy_reg(hw, MII_AT001_CR,
                                        hw->mii_1000t_ctrl_reg);
                 if (err)
                         return err;
         }
 
         err = atl1e_write_phy_reg(hw, MII_BMCR,
                         MII_CR_RESET | MII_CR_AUTO_NEG_EN |
                         MII_CR_RESTART_AUTO_NEG);
         return err;
 }

References athr_l1e, athr_l2e_revA, atl1e_write_phy_reg(), MII_ADVERTISE, MII_AT001_CR, MII_BMCR, MII_CR_AUTO_NEG_EN, MII_CR_RESET, and MII_CR_RESTART_AUTO_NEG.

Referenced by atl1e_phy_init(), and atl1e_probe().

Variable Documentation

◆ atl1e_pci_tbl

struct pci_device_id atl1e_pci_tbl[]

static

Initial value:

= {
        PCI_ROM(0x1969, 0x1026, "atl1e_26", "Attansic L1E 0x1026", 0),
        PCI_ROM(0x1969, 0x1066, "atl1e_66", "Attansic L1E 0x1066", 0),
}

Definition at line 59 of file atl1e.c.

◆ atl1e_rx_page_vld_regs

const u16 atl1e_rx_page_vld_regs[AT_PAGE_NUM_PER_QUEUE]

static

Initial value:

=
{
        REG_HOST_RXF0_PAGE0_VLD, REG_HOST_RXF0_PAGE1_VLD
}

Definition at line 67 of file atl1e.c.

Referenced by atl1e_clean_rx_irq(), and atl1e_configure_des_ring().

◆ atl1e_rx_page_lo_addr_regs

const u16 atl1e_rx_page_lo_addr_regs[AT_PAGE_NUM_PER_QUEUE]

static

Initial value:

=
{
        REG_HOST_RXF0_PAGE0_LO, REG_HOST_RXF0_PAGE1_LO
}

Definition at line 73 of file atl1e.c.

Referenced by atl1e_configure_des_ring().

◆ atl1e_rx_page_write_offset_regs

const u16 atl1e_rx_page_write_offset_regs[AT_PAGE_NUM_PER_QUEUE]

static

Initial value:

=
{
        REG_HOST_RXF0_MB0_LO,  REG_HOST_RXF0_MB1_LO
}

Definition at line 79 of file atl1e.c.

Referenced by atl1e_configure_des_ring().

◆ atl1e_pay_load_size

const u16 atl1e_pay_load_size[]

static

Initial value:

= {
        128, 256, 512, 1024, 2048, 4096,
}

Definition at line 84 of file atl1e.c.

Referenced by atl1e_configure_tx().

◆ atl1e_netdev_ops

struct net_device_operations atl1e_netdev_ops

static

Initial value:

= {
        .open           = atl1e_open,
        .close          = atl1e_close,
        .transmit       = atl1e_xmit_frame,
        .poll           = atl1e_poll,
        .irq            = atl1e_irq,
}

Definition at line 1095 of file atl1e.c.

Referenced by atl1e_init_netdev().

◆ __pci_driver

struct pci_driver atl1e_driver __pci_driver

Initial value:

= {
        .ids      = atl1e_pci_tbl,
        .id_count = (sizeof(atl1e_pci_tbl) / sizeof(atl1e_pci_tbl[0])),
        .probe    = atl1e_probe,
        .remove   = atl1e_remove,
}

Definition at line 1239 of file atl1e.c.

Macros

Functions

Variables

Macro Definition Documentation

◆ TX_DESC_COUNT

◆ RX_MEM_SIZE

◆ MAX_FRAME_SIZE

◆ PREAMBLE_LEN

◆ RX_JUMBO_THRESH

◆ IMT_VAL

◆ ICT_VAL

◆ SMB_TIMER

◆ RRD_THRESH

◆ TPD_BURST

◆ TPD_THRESH

◆ RX_COUNT_DOWN

◆ TX_COUNT_DOWN

◆ DMAR_DLY_CNT

◆ DMAW_DLY_CNT

◆ PCI_DEVICE_ID_ATTANSIC_L1E

Function Documentation

◆ FILE_LICENCE()

◆ atl1e_setup_mac_ctrl()

◆ atl1e_irq_enable()

◆ atl1e_irq_disable()

◆ atl1e_irq_reset()

◆ atl1e_reset()

◆ atl1e_check_link()

◆ atl1e_mdio_read()

◆ atl1e_mdio_write()

◆ atl1e_setup_pcicmd()

◆ atl1e_sw_init()

◆ atl1e_clean_tx_ring()

◆ atl1e_clean_rx_ring()

◆ atl1e_cal_ring_size()

◆ atl1e_init_ring_resources()

◆ atl1e_init_ring_ptrs()

◆ atl1e_free_ring_resources()

◆ atl1e_setup_ring_resources()

◆ atl1e_configure_des_ring()

◆ atl1e_configure_tx()

◆ atl1e_configure_rx()

◆ atl1e_configure_dma()

◆ atl1e_configure()

◆ atl1e_clear_phy_int()

◆ atl1e_clean_tx_irq()

◆ atl1e_get_rx_page()

◆ atl1e_clean_rx_irq()

◆ atl1e_poll()

◆ atl1e_tpd_avail()

◆ atl1e_get_tpd()

◆ atl1e_get_tx_buffer()

◆ atl1e_tx_map()

◆ atl1e_tx_queue()

◆ atl1e_xmit_frame()

◆ atl1e_up()

◆ atl1e_irq()

◆ atl1e_down()

◆ atl1e_open()

◆ atl1e_close()

◆ atl1e_init_netdev()

◆ atl1e_probe()

◆ atl1e_remove()

◆ atl1e_check_eeprom_exist()

◆ atl1e_hw_set_mac_addr()

◆ atl1e_get_permanent_address()

◆ atl1e_force_ps()

◆ atl1e_read_mac_addr()

◆ atl1e_read_phy_reg()

◆ atl1e_write_phy_reg()

◆ atl1e_init_pcie()

◆ atl1e_phy_setup_autoneg_adv()

◆ atl1e_phy_commit()

◆ atl1e_phy_init()

◆ atl1e_reset_hw()

◆ atl1e_init_hw()

◆ atl1e_get_speed_and_duplex()

◆ atl1e_restart_autoneg()

Variable Documentation

◆ atl1e_pci_tbl