diff options
Diffstat (limited to 'drivers/net/e1000/e1000_ethtool.c')
| -rw-r--r-- | drivers/net/e1000/e1000_ethtool.c | 1673 |
1 files changed, 1673 insertions, 0 deletions
diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c new file mode 100644 index 00000000000..0a2ca7c73a4 --- /dev/null +++ b/drivers/net/e1000/e1000_ethtool.c @@ -0,0 +1,1673 @@ +/******************************************************************************* + + + Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved. + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the Free + Software Foundation; either version 2 of the License, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program; if not, write to the Free Software Foundation, Inc., 59 + Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + The full GNU General Public License is included in this distribution in the + file called LICENSE. + + Contact Information: + Linux NICS <linux.nics@intel.com> + Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + +*******************************************************************************/ + +/* ethtool support for e1000 */ + +#include "e1000.h" + +#include <asm/uaccess.h> + +extern char e1000_driver_name[]; +extern char e1000_driver_version[]; + +extern int e1000_up(struct e1000_adapter *adapter); +extern void e1000_down(struct e1000_adapter *adapter); +extern void e1000_reset(struct e1000_adapter *adapter); +extern int e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx); +extern int e1000_setup_rx_resources(struct e1000_adapter *adapter); +extern int e1000_setup_tx_resources(struct e1000_adapter *adapter); +extern void e1000_free_rx_resources(struct e1000_adapter *adapter); +extern void e1000_free_tx_resources(struct e1000_adapter *adapter); +extern void e1000_update_stats(struct e1000_adapter *adapter); + +struct e1000_stats { + char stat_string[ETH_GSTRING_LEN]; + int sizeof_stat; + int stat_offset; +}; + +#define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \ + offsetof(struct e1000_adapter, m) +static const struct e1000_stats e1000_gstrings_stats[] = { + { "rx_packets", E1000_STAT(net_stats.rx_packets) }, + { "tx_packets", E1000_STAT(net_stats.tx_packets) }, + { "rx_bytes", E1000_STAT(net_stats.rx_bytes) }, + { "tx_bytes", E1000_STAT(net_stats.tx_bytes) }, + { "rx_errors", E1000_STAT(net_stats.rx_errors) }, + { "tx_errors", E1000_STAT(net_stats.tx_errors) }, + { "rx_dropped", E1000_STAT(net_stats.rx_dropped) }, + { "tx_dropped", E1000_STAT(net_stats.tx_dropped) }, + { "multicast", E1000_STAT(net_stats.multicast) }, + { "collisions", E1000_STAT(net_stats.collisions) }, + { "rx_length_errors", E1000_STAT(net_stats.rx_length_errors) }, + { "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) }, + { "rx_crc_errors", E1000_STAT(net_stats.rx_crc_errors) }, + { "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) }, + { "rx_fifo_errors", E1000_STAT(net_stats.rx_fifo_errors) }, + { "rx_missed_errors", E1000_STAT(net_stats.rx_missed_errors) }, + { "tx_aborted_errors", E1000_STAT(net_stats.tx_aborted_errors) }, + { "tx_carrier_errors", E1000_STAT(net_stats.tx_carrier_errors) }, + { "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) }, + { "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) }, + { "tx_window_errors", E1000_STAT(net_stats.tx_window_errors) }, + { "tx_abort_late_coll", E1000_STAT(stats.latecol) }, + { "tx_deferred_ok", E1000_STAT(stats.dc) }, + { "tx_single_coll_ok", E1000_STAT(stats.scc) }, + { "tx_multi_coll_ok", E1000_STAT(stats.mcc) }, + { "rx_long_length_errors", E1000_STAT(stats.roc) }, + { "rx_short_length_errors", E1000_STAT(stats.ruc) }, + { "rx_align_errors", E1000_STAT(stats.algnerrc) }, + { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) }, + { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) }, + { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) }, + { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) }, + { "tx_flow_control_xon", E1000_STAT(stats.xontxc) }, + { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) }, + { "rx_long_byte_count", E1000_STAT(stats.gorcl) }, + { "rx_csum_offload_good", E1000_STAT(hw_csum_good) }, + { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) } +}; +#define E1000_STATS_LEN \ + sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats) +static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = { + "Register test (offline)", "Eeprom test (offline)", + "Interrupt test (offline)", "Loopback test (offline)", + "Link test (on/offline)" +}; +#define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN + +static int +e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) +{ + struct e1000_adapter *adapter = netdev->priv; + struct e1000_hw *hw = &adapter->hw; + + if(hw->media_type == e1000_media_type_copper) { + + ecmd->supported = (SUPPORTED_10baseT_Half | + SUPPORTED_10baseT_Full | + SUPPORTED_100baseT_Half | + SUPPORTED_100baseT_Full | + SUPPORTED_1000baseT_Full| + SUPPORTED_Autoneg | + SUPPORTED_TP); + + ecmd->advertising = ADVERTISED_TP; + + if(hw->autoneg == 1) { + ecmd->advertising |= ADVERTISED_Autoneg; + + /* the e1000 autoneg seems to match ethtool nicely */ + + ecmd->advertising |= hw->autoneg_advertised; + } + + ecmd->port = PORT_TP; + ecmd->phy_address = hw->phy_addr; + + if(hw->mac_type == e1000_82543) + ecmd->transceiver = XCVR_EXTERNAL; + else + ecmd->transceiver = XCVR_INTERNAL; + + } else { + ecmd->supported = (SUPPORTED_1000baseT_Full | + SUPPORTED_FIBRE | + SUPPORTED_Autoneg); + + ecmd->advertising = (SUPPORTED_1000baseT_Full | + SUPPORTED_FIBRE | + SUPPORTED_Autoneg); + + ecmd->port = PORT_FIBRE; + + if(hw->mac_type >= e1000_82545) + ecmd->transceiver = XCVR_INTERNAL; + else + ecmd->transceiver = XCVR_EXTERNAL; + } + + if(netif_carrier_ok(adapter->netdev)) { + + e1000_get_speed_and_duplex(hw, &adapter->link_speed, + &adapter->link_duplex); + ecmd->speed = adapter->link_speed; + + /* unfortunatly FULL_DUPLEX != DUPLEX_FULL + * and HALF_DUPLEX != DUPLEX_HALF */ + + if(adapter->link_duplex == FULL_DUPLEX) + ecmd->duplex = DUPLEX_FULL; + else + ecmd->duplex = DUPLEX_HALF; + } else { + ecmd->speed = -1; + ecmd->duplex = -1; + } + + ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) || + hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE; + return 0; +} + +static int +e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) +{ + struct e1000_adapter *adapter = netdev->priv; + struct e1000_hw *hw = &adapter->hw; + + if(ecmd->autoneg == AUTONEG_ENABLE) { + hw->autoneg = 1; + hw->autoneg_advertised = 0x002F; + ecmd->advertising = 0x002F; + } else + if(e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) + return -EINVAL; + + /* reset the link */ + + if(netif_running(adapter->netdev)) { + e1000_down(adapter); + e1000_reset(adapter); + e1000_up(adapter); + } else + e1000_reset(adapter); + + return 0; +} + +static void +e1000_get_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *pause) +{ + struct e1000_adapter *adapter = netdev->priv; + struct e1000_hw *hw = &adapter->hw; + + pause->autoneg = + (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); + + if(hw->fc == e1000_fc_rx_pause) + pause->rx_pause = 1; + else if(hw->fc == e1000_fc_tx_pause) + pause->tx_pause = 1; + else if(hw->fc == e1000_fc_full) { + pause->rx_pause = 1; + pause->tx_pause = 1; + } +} + +static int +e1000_set_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *pause) +{ + struct e1000_adapter *adapter = netdev->priv; + struct e1000_hw *hw = &adapter->hw; + + adapter->fc_autoneg = pause->autoneg; + + if(pause->rx_pause && pause->tx_pause) + hw->fc = e1000_fc_full; + else if(pause->rx_pause && !pause->tx_pause) + hw->fc = e1000_fc_rx_pause; + else if(!pause->rx_pause && pause->tx_pause) + hw->fc = e1000_fc_tx_pause; + else if(!pause->rx_pause && !pause->tx_pause) + hw->fc = e1000_fc_none; + + hw->original_fc = hw->fc; + + if(adapter->fc_autoneg == AUTONEG_ENABLE) { + if(netif_running(adapter->netdev)) { + e1000_down(adapter); + e1000_up(adapter); + } else + e1000_reset(adapter); + } + else + return ((hw->media_type == e1000_media_type_fiber) ? + e1000_setup_link(hw) : e1000_force_mac_fc(hw)); + + return 0; +} + +static uint32_t +e1000_get_rx_csum(struct net_device *netdev) +{ + struct e1000_adapter *adapter = netdev->priv; + return adapter->rx_csum; +} + +static int +e1000_set_rx_csum(struct net_device *netdev, uint32_t data) +{ + struct e1000_adapter *adapter = netdev->priv; + adapter->rx_csum = data; + + if(netif_running(netdev)) { + e1000_down(adapter); + e1000_up(adapter); + } else + e1000_reset(adapter); + return 0; +} + +static uint32_t +e1000_get_tx_csum(struct net_device *netdev) +{ + return (netdev->features & NETIF_F_HW_CSUM) != 0; +} + +static int +e1000_set_tx_csum(struct net_device *netdev, uint32_t data) +{ + struct e1000_adapter *adapter = netdev->priv; + + if(adapter->hw.mac_type < e1000_82543) { + if (!data) + return -EINVAL; + return 0; + } + + if (data) + netdev->features |= NETIF_F_HW_CSUM; + else + netdev->features &= ~NETIF_F_HW_CSUM; + + return 0; +} + +#ifdef NETIF_F_TSO +static int +e1000_set_tso(struct net_device *netdev, uint32_t data) +{ + struct e1000_adapter *adapter = netdev->priv; + if ((adapter->hw.mac_type < e1000_82544) || + (adapter->hw.mac_type == e1000_82547)) + return data ? -EINVAL : 0; + + if (data) + netdev->features |= NETIF_F_TSO; + else + netdev->features &= ~NETIF_F_TSO; + return 0; +} +#endif /* NETIF_F_TSO */ + +static uint32_t +e1000_get_msglevel(struct net_device *netdev) +{ + struct e1000_adapter *adapter = netdev->priv; + return adapter->msg_enable; +} + +static void +e1000_set_msglevel(struct net_device *netdev, uint32_t data) +{ + struct e1000_adapter *adapter = netdev->priv; + adapter->msg_enable = data; +} + +static int +e1000_get_regs_len(struct net_device *netdev) +{ +#define E1000_REGS_LEN 32 + return E1000_REGS_LEN * sizeof(uint32_t); +} + +static void +e1000_get_regs(struct net_device *netdev, + struct ethtool_regs *regs, void *p) +{ + struct e1000_adapter *adapter = netdev->priv; + struct e1000_hw *hw = &adapter->hw; + uint32_t *regs_buff = p; + uint16_t phy_data; + + memset(p, 0, E1000_REGS_LEN * sizeof(uint32_t)); + + regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id; + + regs_buff[0] = E1000_READ_REG(hw, CTRL); + regs_buff[1] = E1000_READ_REG(hw, STATUS); + + regs_buff[2] = E1000_READ_REG(hw, RCTL); + regs_buff[3] = E1000_READ_REG(hw, RDLEN); + regs_buff[4] = E1000_READ_REG(hw, RDH); + regs_buff[5] = E1000_READ_REG(hw, RDT); + regs_buff[6] = E1000_READ_REG(hw, RDTR); + + regs_buff[7] = E1000_READ_REG(hw, TCTL); + regs_buff[8] = E1000_READ_REG(hw, TDLEN); + regs_buff[9] = E1000_READ_REG(hw, TDH); + regs_buff[10] = E1000_READ_REG(hw, TDT); + regs_buff[11] = E1000_READ_REG(hw, TIDV); + + regs_buff[12] = adapter->hw.phy_type; /* PHY type (IGP=1, M88=0) */ + if(hw->phy_type == e1000_phy_igp) { + e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, + IGP01E1000_PHY_AGC_A); + e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A & + IGP01E1000_PHY_PAGE_SELECT, &phy_data); + regs_buff[13] = (uint32_t)phy_data; /* cable length */ + e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, + IGP01E1000_PHY_AGC_B); + e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B & + IGP01E1000_PHY_PAGE_SELECT, &phy_data); + regs_buff[14] = (uint32_t)phy_data; /* cable length */ + e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, + IGP01E1000_PHY_AGC_C); + e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C & + IGP01E1000_PHY_PAGE_SELECT, &phy_data); + regs_buff[15] = (uint32_t)phy_data; /* cable length */ + e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, + IGP01E1000_PHY_AGC_D); + e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D & + IGP01E1000_PHY_PAGE_SELECT, &phy_data); + regs_buff[16] = (uint32_t)phy_data; /* cable length */ + regs_buff[17] = 0; /* extended 10bt distance (not needed) */ + e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0); + e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS & + IGP01E1000_PHY_PAGE_SELECT, &phy_data); + regs_buff[18] = (uint32_t)phy_data; /* cable polarity */ + e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, + IGP01E1000_PHY_PCS_INIT_REG); + e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG & + IGP01E1000_PHY_PAGE_SELECT, &phy_data); + regs_buff[19] = (uint32_t)phy_data; /* cable polarity */ + regs_buff[20] = 0; /* polarity correction enabled (always) */ + regs_buff[22] = 0; /* phy receive errors (unavailable) */ + regs_buff[23] = regs_buff[18]; /* mdix mode */ + e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0); + } else { + e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); + regs_buff[13] = (uint32_t)phy_data; /* cable length */ + regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */ + regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */ + regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */ + e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); + regs_buff[17] = (uint32_t)phy_data; /* extended 10bt distance */ + regs_buff[18] = regs_buff[13]; /* cable polarity */ + regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */ + regs_buff[20] = regs_buff[17]; /* polarity correction */ + /* phy receive errors */ + regs_buff[22] = adapter->phy_stats.receive_errors; + regs_buff[23] = regs_buff[13]; /* mdix mode */ + } + regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */ + e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data); + regs_buff[24] = (uint32_t)phy_data; /* phy local receiver status */ + regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ + if(hw->mac_type >= e1000_82540 && + hw->media_type == e1000_media_type_copper) { + regs_buff[26] = E1000_READ_REG(hw, MANC); + } +} + +static int +e1000_get_eeprom_len(struct net_device *netdev) +{ + struct e1000_adapter *adapter = netdev->priv; + return adapter->hw.eeprom.word_size * 2; +} + +static int +e1000_get_eeprom(struct net_device *netdev, + struct ethtool_eeprom *eeprom, uint8_t *bytes) +{ + struct e1000_adapter *adapter = netdev->priv; + struct e1000_hw *hw = &adapter->hw; + uint16_t *eeprom_buff; + int first_word, last_word; + int ret_val = 0; + uint16_t i; + + if(eeprom->len == 0) + return -EINVAL; + + eeprom->magic = hw->vendor_id | (hw->device_id << 16); + + first_word = eeprom->offset >> 1; + last_word = (eeprom->offset + eeprom->len - 1) >> 1; + + eeprom_buff = kmalloc(sizeof(uint16_t) * + (last_word - first_word + 1), GFP_KERNEL); + if(!eeprom_buff) + return -ENOMEM; + + if(hw->eeprom.type == e1000_eeprom_spi) + ret_val = e1000_read_eeprom(hw, first_word, + last_word - first_word + 1, + eeprom_buff); + else { + for (i = 0; i < last_word - first_word + 1; i++) + if((ret_val = e1000_read_eeprom(hw, first_word + i, 1, + &eeprom_buff[i]))) + break; + } + + /* Device's eeprom is always little-endian, word addressable */ + for (i = 0; i < last_word - first_word + 1; i++) + le16_to_cpus(&eeprom_buff[i]); + + memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1), + eeprom->len); + kfree(eeprom_buff); + + return ret_val; +} + +static int +e1000_set_eeprom(struct net_device *netdev, + struct ethtool_eeprom *eeprom, uint8_t *bytes) +{ + struct e1000_adapter *adapter = netdev->priv; + struct e1000_hw *hw = &adapter->hw; + uint16_t *eeprom_buff; + void *ptr; + int max_len, first_word, last_word, ret_val = 0; + uint16_t i; + + if(eeprom->len == 0) + return -EOPNOTSUPP; + + if(eeprom->magic != (hw->vendor_id | (hw->device_id << 16))) + return -EFAULT; + + max_len = hw->eeprom.word_size * 2; + + first_word = eeprom->offset >> 1; + last_word = (eeprom->offset + eeprom->len - 1) >> 1; + eeprom_buff = kmalloc(max_len, GFP_KERNEL); + if(!eeprom_buff) + return -ENOMEM; + + ptr = (void *)eeprom_buff; + + if(eeprom->offset & 1) { + /* need read/modify/write of first changed EEPROM word */ + /* only the second byte of the word is being modified */ + ret_val = e1000_read_eeprom(hw, first_word, 1, + &eeprom_buff[0]); + ptr++; + } + if(((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) { + /* need read/modify/write of last changed EEPROM word */ + /* only the first byte of the word is being modified */ + ret_val = e1000_read_eeprom(hw, last_word, 1, + &eeprom_buff[last_word - first_word]); + } + + /* Device's eeprom is always little-endian, word addressable */ + for (i = 0; i < last_word - first_word + 1; i++) + le16_to_cpus(&eeprom_buff[i]); + + memcpy(ptr, bytes, eeprom->len); + + for (i = 0; i < last_word - first_word + 1; i++) + eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]); + + ret_val = e1000_write_eeprom(hw, first_word, + last_word - first_word + 1, eeprom_buff); + + /* Update the checksum over the first part of the EEPROM if needed */ + if((ret_val == 0) && first_word <= EEPROM_CHECKSUM_REG) + e1000_update_eeprom_checksum(hw); + + kfree(eeprom_buff); + return ret_val; +} + +static void +e1000_get_drvinfo(struct net_device *netdev, + struct ethtool_drvinfo *drvinfo) +{ + struct e1000_adapter *adapter = netdev->priv; + + strncpy(drvinfo->driver, e1000_driver_name, 32); + strncpy(drvinfo->version, e1000_driver_version, 32); + strncpy(drvinfo->fw_version, "N/A", 32); + strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); + drvinfo->n_stats = E1000_STATS_LEN; + drvinfo->testinfo_len = E1000_TEST_LEN; + drvinfo->regdump_len = e1000_get_regs_len(netdev); + drvinfo->eedump_len = e1000_get_eeprom_len(netdev); +} + +static void +e1000_get_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ring) +{ + struct e1000_adapter *adapter = netdev->priv; + e1000_mac_type mac_type = adapter->hw.mac_type; + struct e1000_desc_ring *txdr = &adapter->tx_ring; + struct e1000_desc_ring *rxdr = &adapter->rx_ring; + + ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD : + E1000_MAX_82544_RXD; + ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD : + E1000_MAX_82544_TXD; + ring->rx_mini_max_pending = 0; + ring->rx_jumbo_max_pending = 0; + ring->rx_pending = rxdr->count; + ring->tx_pending = txdr->count; + ring->rx_mini_pending = 0; + ring->rx_jumbo_pending = 0; +} + +static int +e1000_set_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ring) +{ + struct e1000_adapter *adapter = netdev->priv; + e1000_mac_type mac_type = adapter->hw.mac_type; + struct e1000_desc_ring *txdr = &adapter->tx_ring; + struct e1000_desc_ring *rxdr = &adapter->rx_ring; + struct e1000_desc_ring tx_old, tx_new, rx_old, rx_new; + int err; + + tx_old = adapter->tx_ring; + rx_old = adapter->rx_ring; + + if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) + return -EINVAL; + + if(netif_running(adapter->netdev)) + e1000_down(adapter); + + rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD); + rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ? + E1000_MAX_RXD : E1000_MAX_82544_RXD)); + E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE); + + txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD); + txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ? + E1000_MAX_TXD : E1000_MAX_82544_TXD)); + E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE); + + if(netif_running(adapter->netdev)) { + /* Try to get new resources before deleting old */ + if((err = e1000_setup_rx_resources(adapter))) + goto err_setup_rx; + if((err = e1000_setup_tx_resources(adapter))) + goto err_setup_tx; + + /* save the new, restore the old in order to free it, + * then restore the new back again */ + + rx_new = adapter->rx_ring; + tx_new = adapter->tx_ring; + adapter->rx_ring = rx_old; + adapter->tx_ring = tx_old; + e1000_free_rx_resources(adapter); + e1000_free_tx_resources(adapter); + adapter->rx_ring = rx_new; + adapter->tx_ring = tx_new; + if((err = e1000_up(adapter))) + return err; + } + + return 0; +err_setup_tx: + e1000_free_rx_resources(adapter); +err_setup_rx: + adapter->rx_ring = rx_old; + adapter->tx_ring = tx_old; + e1000_up(adapter); + return err; +} + +#define REG_PATTERN_TEST(R, M, W) \ +{ \ + uint32_t pat, value; \ + uint32_t test[] = \ + {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \ + for(pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) { \ + E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W)); \ + value = E1000_READ_REG(&adapter->hw, R); \ + if(value != (test[pat] & W & M)) { \ + *data = (adapter->hw.mac_type < e1000_82543) ? \ + E1000_82542_##R : E1000_##R; \ + return 1; \ + } \ + } \ +} + +#define REG_SET_AND_CHECK(R, M, W) \ +{ \ + uint32_t value; \ + E1000_WRITE_REG(&adapter->hw, R, W & M); \ + value = E1000_READ_REG(&adapter->hw, R); \ + if ((W & M) != (value & M)) { \ + *data = (adapter->hw.mac_type < e1000_82543) ? \ + E1000_82542_##R : E1000_##R; \ + return 1; \ + } \ +} + +static int +e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data) +{ + uint32_t value; + uint32_t i; + + /* The status register is Read Only, so a write should fail. + * Some bits that get toggled are ignored. + */ + value = (E1000_READ_REG(&adapter->hw, STATUS) & (0xFFFFF833)); + E1000_WRITE_REG(&adapter->hw, STATUS, (0xFFFFFFFF)); + if(value != (E1000_READ_REG(&adapter->hw, STATUS) & (0xFFFFF833))) { + *data = 1; + return 1; + } + + REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF); + REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF); + REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF); + REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF); + REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF); + REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF); + REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF); + REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF); + REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF); + REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8); + REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF); + REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF); + REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF); + REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF); + + REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000); + REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0x003FFFFB); + REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000); + + if(adapter->hw.mac_type >= e1000_82543) { + + REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0xFFFFFFFF); + REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF); + REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF); + REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF); + REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF); + + for(i = 0; i < E1000_RAR_ENTRIES; i++) { + REG_PATTERN_TEST(RA + ((i << 1) << 2), 0xFFFFFFFF, + 0xFFFFFFFF); + REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF, + 0xFFFFFFFF); + } + + } else { + + REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF); + REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF); + REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF); + REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF); + + } + + for(i = 0; i < E1000_MC_TBL_SIZE; i++) + REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF); + + *data = 0; + return 0; +} + +static int +e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data) +{ + uint16_t temp; + uint16_t checksum = 0; + uint16_t i; + + *data = 0; + /* Read and add up the contents of the EEPROM */ + for(i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) { + if((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) { + *data = 1; + break; + } + checksum += temp; + } + + /* If Checksum is not Correct return error else test passed */ + if((checksum != (uint16_t) EEPROM_SUM) && !(*data)) + *data = 2; + + return *data; +} + +static irqreturn_t +e1000_test_intr(int irq, + void *data, + struct pt_regs *regs) +{ + struct net_device *netdev = (struct net_device *) data; + struct e1000_adapter *adapter = netdev->priv; + + adapter->test_icr |= E1000_READ_REG(&adapter->hw, ICR); + + return IRQ_HANDLED; +} + +static int +e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data) +{ + struct net_device *netdev = adapter->netdev; + uint32_t mask, i=0, shared_int = TRUE; + uint32_t irq = adapter->pdev->irq; + + *data = 0; + + /* Hook up test interrupt handler just for this test */ + if(!request_irq(irq, &e1000_test_intr, 0, netdev->name, netdev)) { + shared_int = FALSE; + } else if(request_irq(irq, &e1000_test_intr, SA_SHIRQ, + netdev->name, netdev)){ + *data = 1; + return -1; + } + + /* Disable all the interrupts */ + E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF); + msec_delay(10); + + /* Test each interrupt */ + for(; i < 10; i++) { + + /* Interrupt to test */ + mask = 1 << i; + + if(!shared_int) { + /* Disable the interrupt to be reported in + * the cause register and then force the same + * interrupt and see if one gets posted. If + * an interrupt was posted to the bus, the + * test failed. + */ + adapter->test_icr = 0; + E1000_WRITE_REG(&adapter->hw, IMC, mask); + E1000_WRITE_REG(&adapter->hw, ICS, mask); + msec_delay(10); + + if(adapter->test_icr & mask) { + *data = 3; + break; + } + } + + /* Enable the interrupt to be reported in + * the cause register and then force the same + * interrupt and see if one gets posted. If + * an interrupt was not posted to the bus, the + * test failed. + */ + adapter->test_icr = 0; + E1000_WRITE_REG(&adapter->hw, IMS, mask); + E1000_WRITE_REG(&adapter->hw, ICS, mask); + msec_delay(10); + + if(!(adapter->test_icr & mask)) { + *data = 4; + break; + } + + if(!shared_int) { + /* Disable the other interrupts to be reported in + * the cause register and then force the other + * interrupts and see if any get posted. If + * an interrupt was posted to the bus, the + * test failed. + */ + adapter->test_icr = 0; + E1000_WRITE_REG(&adapter->hw, IMC, + (~mask & 0x00007FFF)); + E1000_WRITE_REG(&adapter->hw, ICS, + (~mask & 0x00007FFF)); + msec_delay(10); + + if(adapter->test_icr) { + *data = 5; + break; + } + } + } + + /* Disable all the interrupts */ + E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF); + msec_delay(10); + + /* Unhook test interrupt handler */ + free_irq(irq, netdev); + + return *data; +} + +static void +e1000_free_desc_rings(struct e1000_adapter *adapter) +{ + struct e1000_desc_ring *txdr = &adapter->test_tx_ring; + struct e1000_desc_ring *rxdr = &adapter->test_rx_ring; + struct pci_dev *pdev = adapter->pdev; + int i; + + if(txdr->desc && txdr->buffer_info) { + for(i = 0; i < txdr->count; i++) { + if(txdr->buffer_info[i].dma) + pci_unmap_single(pdev, txdr->buffer_info[i].dma, + txdr->buffer_info[i].length, + PCI_DMA_TODEVICE); + if(txdr->buffer_info[i].skb) + dev_kfree_skb(txdr->buffer_info[i].skb); + } + } + + if(rxdr->desc && rxdr->buffer_info) { + for(i = 0; i < rxdr->count; i++) { + if(rxdr->buffer_info[i].dma) + pci_unmap_single(pdev, rxdr->buffer_info[i].dma, + rxdr->buffer_info[i].length, + PCI_DMA_FROMDEVICE); + if(rxdr->buffer_info[i].skb) + dev_kfree_skb(rxdr->buffer_info[i].skb); + } + } + + if(txdr->desc) + pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma); + if(rxdr->desc) + pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma); + + if(txdr->buffer_info) + kfree(txdr->buffer_info); + if(rxdr->buffer_info) + kfree(rxdr->buffer_info); + + return; +} + +static int +e1000_setup_desc_rings(struct e1000_adapter *adapter) +{ + struct e1000_desc_ring *txdr = &adapter->test_tx_ring; + struct e1000_desc_ring *rxdr = &adapter->test_rx_ring; + struct pci_dev *pdev = adapter->pdev; + uint32_t rctl; + int size, i, ret_val; + + /* Setup Tx descriptor ring and Tx buffers */ + + txdr->count = 80; + + size = txdr->count * sizeof(struct e1000_buffer); + if(!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) { + ret_val = 1; + goto err_nomem; + } + memset(txdr->buffer_info, 0, size); + + txdr->size = txdr->count * sizeof(struct e1000_tx_desc); + E1000_ROUNDUP(txdr->size, 4096); + if(!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) { + ret_val = 2; + goto err_nomem; + } + memset(txdr->desc, 0, txdr->size); + txdr->next_to_use = txdr->next_to_clean = 0; + + E1000_WRITE_REG(&adapter->hw, TDBAL, + ((uint64_t) txdr->dma & 0x00000000FFFFFFFF)); + E1000_WRITE_REG(&adapter->hw, TDBAH, ((uint64_t) txdr->dma >> 32)); + E1000_WRITE_REG(&adapter->hw, TDLEN, + txdr->count * sizeof(struct e1000_tx_desc)); + E1000_WRITE_REG(&adapter->hw, TDH, 0); + E1000_WRITE_REG(&adapter->hw, TDT, 0); + E1000_WRITE_REG(&adapter->hw, TCTL, + E1000_TCTL_PSP | E1000_TCTL_EN | + E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | + E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT); + + for(i = 0; i < txdr->count; i++) { + struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i); + struct sk_buff *skb; + unsigned int size = 1024; + + if(!(skb = alloc_skb(size, GFP_KERNEL))) { + ret_val = 3; + goto err_nomem; + } + skb_put(skb, size); + txdr->buffer_info[i].skb = skb; + txdr->buffer_info[i].length = skb->len; + txdr->buffer_info[i].dma = + pci_map_single(pdev, skb->data, skb->len, + PCI_DMA_TODEVICE); + tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma); + tx_desc->lower.data = cpu_to_le32(skb->len); + tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP | + E1000_TXD_CMD_IFCS | + E1000_TXD_CMD_RPS); + tx_desc->upper.data = 0; + } + + /* Setup Rx descriptor ring and Rx buffers */ + + rxdr->count = 80; + + size = rxdr->count * sizeof(struct e1000_buffer); + if(!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) { + ret_val = 4; + goto err_nomem; + } + memset(rxdr->buffer_info, 0, size); + + rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc); + if(!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) { + ret_val = 5; + goto err_nomem; + } + memset(rxdr->desc, 0, rxdr->size); + rxdr->next_to_use = rxdr->next_to_clean = 0; + + rctl = E1000_READ_REG(&adapter->hw, RCTL); + E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN); + E1000_WRITE_REG(&adapter->hw, RDBAL, + ((uint64_t) rxdr->dma & 0xFFFFFFFF)); + E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32)); + E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size); + E1000_WRITE_REG(&adapter->hw, RDH, 0); + E1000_WRITE_REG(&adapter->hw, RDT, 0); + rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 | + E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | + (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT); + E1000_WRITE_REG(&adapter->hw, RCTL, rctl); + + for(i = 0; i < rxdr->count; i++) { + struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i); + struct sk_buff *skb; + + if(!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, + GFP_KERNEL))) { + ret_val = 6; + goto err_nomem; + } + skb_reserve(skb, NET_IP_ALIGN); + rxdr->buffer_info[i].skb = skb; + rxdr->buffer_info[i].length = E1000_RXBUFFER_2048; + rxdr->buffer_info[i].dma = + pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048, + PCI_DMA_FROMDEVICE); + rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma); + memset(skb->data, 0x00, skb->len); + } + + return 0; + +err_nomem: + e1000_free_desc_rings(adapter); + return ret_val; +} + +static void +e1000_phy_disable_receiver(struct e1000_adapter *adapter) +{ + /* Write out to PHY registers 29 and 30 to disable the Receiver. */ + e1000_write_phy_reg(&adapter->hw, 29, 0x001F); + e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC); + e1000_write_phy_reg(&adapter->hw, 29, 0x001A); + e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0); +} + +static void +e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter) +{ + uint16_t phy_reg; + + /* Because we reset the PHY above, we need to re-force TX_CLK in the + * Extended PHY Specific Control Register to 25MHz clock. This + * value defaults back to a 2.5MHz clock when the PHY is reset. + */ + e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg); + phy_reg |= M88E1000_EPSCR_TX_CLK_25; + e1000_write_phy_reg(&adapter->hw, + M88E1000_EXT_PHY_SPEC_CTRL, phy_reg); + + /* In addition, because of the s/w reset above, we need to enable + * CRS on TX. This must be set for both full and half duplex + * operation. + */ + e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg); + phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX; + e1000_write_phy_reg(&adapter->hw, + M88E1000_PHY_SPEC_CTRL, phy_reg); +} + +static int +e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter) +{ + uint32_t ctrl_reg; + uint16_t phy_reg; + + /* Setup the Device Control Register for PHY loopback test. */ + + ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL); + ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */ + E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ + E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ + E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */ + E1000_CTRL_FD); /* Force Duplex to FULL */ + + E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg); + + /* Read the PHY Specific Control Register (0x10) */ + e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg); + + /* Clear Auto-Crossover bits in PHY Specific Control Register + * (bits 6:5). + */ + phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE; + e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg); + + /* Perform software reset on the PHY */ + e1000_phy_reset(&adapter->hw); + + /* Have to setup TX_CLK and TX_CRS after software reset */ + e1000_phy_reset_clk_and_crs(adapter); + + e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100); + + /* Wait for reset to complete. */ + udelay(500); + + /* Have to setup TX_CLK and TX_CRS after software reset */ + e1000_phy_reset_clk_and_crs(adapter); + + /* Write out to PHY registers 29 and 30 to disable the Receiver. */ + e1000_phy_disable_receiver(adapter); + + /* Set the loopback bit in the PHY control register. */ + e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg); + phy_reg |= MII_CR_LOOPBACK; + e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg); + + /* Setup TX_CLK and TX_CRS one more time. */ + e1000_phy_reset_clk_and_crs(adapter); + + /* Check Phy Configuration */ + e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg); + if(phy_reg != 0x4100) + return 9; + + e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg); + if(phy_reg != 0x0070) + return 10; + + e1000_read_phy_reg(&adapter->hw, 29, &phy_reg); + if(phy_reg != 0x001A) + return 11; + + return 0; +} + +static int +e1000_integrated_phy_loopback(struct e1000_adapter *adapter) +{ + uint32_t ctrl_reg = 0; + uint32_t stat_reg = 0; + + adapter->hw.autoneg = FALSE; + + if(adapter->hw.phy_type == e1000_phy_m88) { + /* Auto-MDI/MDIX Off */ + e1000_write_phy_reg(&adapter->hw, + M88E1000_PHY_SPEC_CTRL, 0x0808); + /* reset to update Auto-MDI/MDIX */ + e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140); + /* autoneg off */ + e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140); + } + /* force 1000, set loopback */ + e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140); + + /* Now set up the MAC to the same speed/duplex as the PHY. */ + ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL); + ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ + ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ + E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ + E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */ + E1000_CTRL_FD); /* Force Duplex to FULL */ + + if(adapter->hw.media_type == e1000_media_type_copper && + adapter->hw.phy_type == e1000_phy_m88) { + ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */ + } else { + /* Set the ILOS bit on the fiber Nic is half + * duplex link is detected. */ + stat_reg = E1000_READ_REG(&adapter->hw, STATUS); + if((stat_reg & E1000_STATUS_FD) == 0) + ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU); + } + + E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg); + + /* Disable the receiver on the PHY so when a cable is plugged in, the + * PHY does not begin to autoneg when a cable is reconnected to the NIC. + */ + if(adapter->hw.phy_type == e1000_phy_m88) + e1000_phy_disable_receiver(adapter); + + udelay(500); + + return 0; +} + +static int +e1000_set_phy_loopback(struct e1000_adapter *adapter) +{ + uint16_t phy_reg = 0; + uint16_t count = 0; + + switch (adapter->hw.mac_type) { + case e1000_82543: + if(adapter->hw.media_type == e1000_media_type_copper) { + /* Attempt to setup Loopback mode on Non-integrated PHY. + * Some PHY registers get corrupted at random, so + * attempt this 10 times. + */ + while(e1000_nonintegrated_phy_loopback(adapter) && + count++ < 10); + if(count < 11) + return 0; + } + break; + + case e1000_82544: + case e1000_82540: + case e1000_82545: + case e1000_82545_rev_3: + case e1000_82546: + case e1000_82546_rev_3: + case e1000_82541: + case e1000_82541_rev_2: + case e1000_82547: + case e1000_82547_rev_2: + return e1000_integrated_phy_loopback(adapter); + break; + + default: + /* Default PHY loopback work is to read the MII + * control register and assert bit 14 (loopback mode). + */ + e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg); + phy_reg |= MII_CR_LOOPBACK; + e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg); + return 0; + break; + } + + return 8; +} + +static int +e1000_setup_loopback_test(struct e1000_adapter *adapter) +{ + uint32_t rctl; + + if(adapter->hw.media_type == e1000_media_type_fiber || + adapter->hw.media_type == e1000_media_type_internal_serdes) { + if(adapter->hw.mac_type == e1000_82545 || + adapter->hw.mac_type == e1000_82546 || + adapter->hw.mac_type == e1000_82545_rev_3 || + adapter->hw.mac_type == e1000_82546_rev_3) + return e1000_set_phy_loopback(adapter); + else { + rctl = E1000_READ_REG(&adapter->hw, RCTL); + rctl |= E1000_RCTL_LBM_TCVR; + E1000_WRITE_REG(&adapter->hw, RCTL, rctl); + return 0; + } + } else if(adapter->hw.media_type == e1000_media_type_copper) + return e1000_set_phy_loopback(adapter); + + return 7; +} + +static void +e1000_loopback_cleanup(struct e1000_adapter *adapter) +{ + uint32_t rctl; + uint16_t phy_reg; + + rctl = E1000_READ_REG(&adapter->hw, RCTL); + rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC); + E1000_WRITE_REG(&adapter->hw, RCTL, rctl); + + if(adapter->hw.media_type == e1000_media_type_copper || + ((adapter->hw.media_type == e1000_media_type_fiber || + adapter->hw.media_type == e1000_media_type_internal_serdes) && + (adapter->hw.mac_type == e1000_82545 || + adapter->hw.mac_type == e1000_82546 || + adapter->hw.mac_type == e1000_82545_rev_3 || + adapter->hw.mac_type == e1000_82546_rev_3))) { + adapter->hw.autoneg = TRUE; + e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg); + if(phy_reg & MII_CR_LOOPBACK) { + phy_reg &= ~MII_CR_LOOPBACK; + e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg); + e1000_phy_reset(&adapter->hw); + } + } +} + +static void +e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size) +{ + memset(skb->data, 0xFF, frame_size); + frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size; + memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); + memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); + memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); +} + +static int +e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size) +{ + frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size; + if(*(skb->data + 3) == 0xFF) { + if((*(skb->data + frame_size / 2 + 10) == 0xBE) && + (*(skb->data + frame_size / 2 + 12) == 0xAF)) { + return 0; + } + } + return 13; +} + +static int +e1000_run_loopback_test(struct e1000_adapter *adapter) +{ + struct e1000_desc_ring *txdr = &adapter->test_tx_ring; + struct e1000_desc_ring *rxdr = &adapter->test_rx_ring; + struct pci_dev *pdev = adapter->pdev; + int i, ret_val; + + E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1); + + for(i = 0; i < 64; i++) { + e1000_create_lbtest_frame(txdr->buffer_info[i].skb, 1024); + pci_dma_sync_single_for_device(pdev, txdr->buffer_info[i].dma, + txdr->buffer_info[i].length, + PCI_DMA_TODEVICE); + } + E1000_WRITE_REG(&adapter->hw, TDT, i); + + msec_delay(200); + + i = 0; + do { + pci_dma_sync_single_for_cpu(pdev, rxdr->buffer_info[i].dma, + rxdr->buffer_info[i].length, + PCI_DMA_FROMDEVICE); + + ret_val = e1000_check_lbtest_frame(rxdr->buffer_info[i].skb, + 1024); + i++; + } while (ret_val != 0 && i < 64); + + return ret_val; +} + +static int +e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data) +{ + if((*data = e1000_setup_desc_rings(adapter))) goto err_loopback; + if((*data = e1000_setup_loopback_test(adapter))) goto err_loopback; + *data = e1000_run_loopback_test(adapter); + e1000_loopback_cleanup(adapter); + e1000_free_desc_rings(adapter); +err_loopback: + return *data; +} + +static int +e1000_link_test(struct e1000_adapter *adapter, uint64_t *data) +{ + *data = 0; + + if (adapter->hw.media_type == e1000_media_type_internal_serdes) { + int i = 0; + adapter->hw.serdes_link_down = TRUE; + + /* on some blade server designs link establishment */ + /* could take as long as 2-3 minutes. */ + do { + e1000_check_for_link(&adapter->hw); + if (adapter->hw.serdes_link_down == FALSE) + return *data; + msec_delay(20); + } while (i++ < 3750); + + *data = 1; + } else { + e1000_check_for_link(&adapter->hw); + + if(!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) { + *data = 1; + } + } + return *data; +} + +static int +e1000_diag_test_count(struct net_device *netdev) +{ + return E1000_TEST_LEN; +} + +static void +e1000_diag_test(struct net_device *netdev, + struct ethtool_test *eth_test, uint64_t *data) +{ + struct e1000_adapter *adapter = netdev->priv; + boolean_t if_running = netif_running(netdev); + + if(eth_test->flags == ETH_TEST_FL_OFFLINE) { + /* Offline tests */ + + /* save speed, duplex, autoneg settings */ + uint16_t autoneg_advertised = adapter->hw.autoneg_advertised; + uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex; + uint8_t autoneg = adapter->hw.autoneg; + + /* Link test performed before hardware reset so autoneg doesn't + * interfere with test result */ + if(e1000_link_test(adapter, &data[4])) + eth_test->flags |= ETH_TEST_FL_FAILED; + + if(if_running) + e1000_down(adapter); + else + e1000_reset(adapter); + + if(e1000_reg_test(adapter, &data[0])) + eth_test->flags |= ETH_TEST_FL_FAILED; + + e1000_reset(adapter); + if(e1000_eeprom_test(adapter, &data[1])) + eth_test->flags |= ETH_TEST_FL_FAILED; + + e1000_reset(adapter); + if(e1000_intr_test(adapter, &data[2])) + eth_test->flags |= ETH_TEST_FL_FAILED; + + e1000_reset(adapter); + if(e1000_loopback_test(adapter, &data[3])) + eth_test->flags |= ETH_TEST_FL_FAILED; + + /* restore speed, duplex, autoneg settings */ + adapter->hw.autoneg_advertised = autoneg_advertised; + adapter->hw.forced_speed_duplex = forced_speed_duplex; + adapter->hw.autoneg = autoneg; + + e1000_reset(adapter); + if(if_running) + e1000_up(adapter); + } else { + /* Online tests */ + if(e1000_link_test(adapter, &data[4])) + eth_test->flags |= ETH_TEST_FL_FAILED; + + /* Offline tests aren't run; pass by default */ + data[0] = 0; + data[1] = 0; + data[2] = 0; + data[3] = 0; + } +} + +static void +e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) +{ + struct e1000_adapter *adapter = netdev->priv; + struct e1000_hw *hw = &adapter->hw; + + switch(adapter->hw.device_id) { + case E1000_DEV_ID_82542: + case E1000_DEV_ID_82543GC_FIBER: + case E1000_DEV_ID_82543GC_COPPER: + case E1000_DEV_ID_82544EI_FIBER: + case E1000_DEV_ID_82546EB_QUAD_COPPER: + case E1000_DEV_ID_82545EM_FIBER: + case E1000_DEV_ID_82545EM_COPPER: + wol->supported = 0; + wol->wolopts = 0; + return; + + case E1000_DEV_ID_82546EB_FIBER: + case E1000_DEV_ID_82546GB_FIBER: + /* Wake events only supported on port A for dual fiber */ + if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) { + wol->supported = 0; + wol->wolopts = 0; + return; + } + /* Fall Through */ + + default: + wol->supported = WAKE_UCAST | WAKE_MCAST | + WAKE_BCAST | WAKE_MAGIC; + + wol->wolopts = 0; + if(adapter->wol & E1000_WUFC_EX) + wol->wolopts |= WAKE_UCAST; + if(adapter->wol & E1000_WUFC_MC) + wol->wolopts |= WAKE_MCAST; + if(adapter->wol & E1000_WUFC_BC) + wol->wolopts |= WAKE_BCAST; + if(adapter->wol & E1000_WUFC_MAG) + wol->wolopts |= WAKE_MAGIC; + return; + } +} + +static int +e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) +{ + struct e1000_adapter *adapter = netdev->priv; + struct e1000_hw *hw = &adapter->hw; + + switch(adapter->hw.device_id) { + case E1000_DEV_ID_82542: + case E1000_DEV_ID_82543GC_FIBER: + case E1000_DEV_ID_82543GC_COPPER: + case E1000_DEV_ID_82544EI_FIBER: + case E1000_DEV_ID_82546EB_QUAD_COPPER: + case E1000_DEV_ID_82545EM_FIBER: + case E1000_DEV_ID_82545EM_COPPER: + return wol->wolopts ? -EOPNOTSUPP : 0; + + case E1000_DEV_ID_82546EB_FIBER: + case E1000_DEV_ID_82546GB_FIBER: + /* Wake events only supported on port A for dual fiber */ + if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) + return wol->wolopts ? -EOPNOTSUPP : 0; + /* Fall Through */ + + default: + if(wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE)) + return -EOPNOTSUPP; + + adapter->wol = 0; + + if(wol->wolopts & WAKE_UCAST) + adapter->wol |= E1000_WUFC_EX; + if(wol->wolopts & WAKE_MCAST) + adapter->wol |= E1000_WUFC_MC; + if(wol->wolopts & WAKE_BCAST) + adapter->wol |= E1000_WUFC_BC; + if(wol->wolopts & WAKE_MAGIC) + adapter->wol |= E1000_WUFC_MAG; + } + + return 0; +} + +/* toggle LED 4 times per second = 2 "blinks" per second */ +#define E1000_ID_INTERVAL (HZ/4) + +/* bit defines for adapter->led_status */ +#define E1000_LED_ON 0 + +static void +e1000_led_blink_callback(unsigned long data) +{ + struct e1000_adapter *adapter = (struct e1000_adapter *) data; + + if(test_and_change_bit(E1000_LED_ON, &adapter->led_status)) + e1000_led_off(&adapter->hw); + else + e1000_led_on(&adapter->hw); + + mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL); +} + +static int +e1000_phys_id(struct net_device *netdev, uint32_t data) +{ + struct e1000_adapter *adapter = netdev->priv; + + if(!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ)) + data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ); + + if(!adapter->blink_timer.function) { + init_timer(&adapter->blink_timer); + adapter->blink_timer.function = e1000_led_blink_callback; + adapter->blink_timer.data = (unsigned long) adapter; + } + + e1000_setup_led(&adapter->hw); + mod_timer(&adapter->blink_timer, jiffies); + + msleep_interruptible(data * 1000); + del_timer_sync(&adapter->blink_timer); + e1000_led_off(&adapter->hw); + clear_bit(E1000_LED_ON, &adapter->led_status); + e1000_cleanup_led(&adapter->hw); + + return 0; +} + +static int +e1000_nway_reset(struct net_device *netdev) +{ + struct e1000_adapter *adapter = netdev->priv; + if(netif_running(netdev)) { + e1000_down(adapter); + e1000_up(adapter); + } + return 0; +} + +static int +e1000_get_stats_count(struct net_device *netdev) +{ + return E1000_STATS_LEN; +} + +static void +e1000_get_ethtool_stats(struct net_device *netdev, + struct ethtool_stats *stats, uint64_t *data) +{ + struct e1000_adapter *adapter = netdev->priv; + int i; + + e1000_update_stats(adapter); + for(i = 0; i < E1000_STATS_LEN; i++) { + char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset; + data[i] = (e1000_gstrings_stats[i].sizeof_stat == + sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p; + } +} + +static void +e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data) +{ + int i; + + switch(stringset) { + case ETH_SS_TEST: + memcpy(data, *e1000_gstrings_test, + E1000_TEST_LEN*ETH_GSTRING_LEN); + break; + case ETH_SS_STATS: + for (i=0; i < E1000_STATS_LEN; i++) { + memcpy(data + i * ETH_GSTRING_LEN, + e1000_gstrings_stats[i].stat_string, + ETH_GSTRING_LEN); + } + break; + } +} + +struct ethtool_ops e1000_ethtool_ops = { + .get_settings = e1000_get_settings, + .set_settings = e1000_set_settings, + .get_drvinfo = e1000_get_drvinfo, + .get_regs_len = e1000_get_regs_len, + .get_regs = e1000_get_regs, + .get_wol = e1000_get_wol, + .set_wol = e1000_set_wol, + .get_msglevel = e1000_get_msglevel, + .set_msglevel = e1000_set_msglevel, + .nway_reset = e1000_nway_reset, + .get_link = ethtool_op_get_link, + .get_eeprom_len = e1000_get_eeprom_len, + .get_eeprom = e1000_get_eeprom, + .set_eeprom = e1000_set_eeprom, + .get_ringparam = e1000_get_ringparam, + .set_ringparam = e1000_set_ringparam, + .get_pauseparam = e1000_get_pauseparam, + .set_pauseparam = e1000_set_pauseparam, + .get_rx_csum = e1000_get_rx_csum, + .set_rx_csum = e1000_set_rx_csum, + .get_tx_csum = e1000_get_tx_csum, + .set_tx_csum = e1000_set_tx_csum, + .get_sg = ethtool_op_get_sg, + .set_sg = ethtool_op_set_sg, +#ifdef NETIF_F_TSO + .get_tso = ethtool_op_get_tso, + .set_tso = e1000_set_tso, +#endif + .self_test_count = e1000_diag_test_count, + .self_test = e1000_diag_test, + .get_strings = e1000_get_strings, + .phys_id = e1000_phys_id, + .get_stats_count = e1000_get_stats_count, + .get_ethtool_stats = e1000_get_ethtool_stats, +}; + +void e1000_set_ethtool_ops(struct net_device *netdev) +{ + SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops); +} |