diff options
Diffstat (limited to 'drivers/net/ixgb/ixgb_ethtool.c')
| -rw-r--r-- | drivers/net/ixgb/ixgb_ethtool.c | 704 |
1 files changed, 704 insertions, 0 deletions
diff --git a/drivers/net/ixgb/ixgb_ethtool.c b/drivers/net/ixgb/ixgb_ethtool.c new file mode 100644 index 000000000000..aea10e8aaa72 --- /dev/null +++ b/drivers/net/ixgb/ixgb_ethtool.c @@ -0,0 +1,704 @@ +/******************************************************************************* + + + Copyright(c) 1999 - 2005 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 ixgb */ + +#include "ixgb.h" + +#include <asm/uaccess.h> + +extern char ixgb_driver_name[]; +extern char ixgb_driver_version[]; + +extern int ixgb_up(struct ixgb_adapter *adapter); +extern void ixgb_down(struct ixgb_adapter *adapter, boolean_t kill_watchdog); +extern void ixgb_reset(struct ixgb_adapter *adapter); +extern int ixgb_setup_rx_resources(struct ixgb_adapter *adapter); +extern int ixgb_setup_tx_resources(struct ixgb_adapter *adapter); +extern void ixgb_free_rx_resources(struct ixgb_adapter *adapter); +extern void ixgb_free_tx_resources(struct ixgb_adapter *adapter); +extern void ixgb_update_stats(struct ixgb_adapter *adapter); + +struct ixgb_stats { + char stat_string[ETH_GSTRING_LEN]; + int sizeof_stat; + int stat_offset; +}; + +#define IXGB_STAT(m) sizeof(((struct ixgb_adapter *)0)->m), \ + offsetof(struct ixgb_adapter, m) +static struct ixgb_stats ixgb_gstrings_stats[] = { + {"rx_packets", IXGB_STAT(net_stats.rx_packets)}, + {"tx_packets", IXGB_STAT(net_stats.tx_packets)}, + {"rx_bytes", IXGB_STAT(net_stats.rx_bytes)}, + {"tx_bytes", IXGB_STAT(net_stats.tx_bytes)}, + {"rx_errors", IXGB_STAT(net_stats.rx_errors)}, + {"tx_errors", IXGB_STAT(net_stats.tx_errors)}, + {"rx_dropped", IXGB_STAT(net_stats.rx_dropped)}, + {"tx_dropped", IXGB_STAT(net_stats.tx_dropped)}, + {"multicast", IXGB_STAT(net_stats.multicast)}, + {"collisions", IXGB_STAT(net_stats.collisions)}, + +/* { "rx_length_errors", IXGB_STAT(net_stats.rx_length_errors) }, */ + {"rx_over_errors", IXGB_STAT(net_stats.rx_over_errors)}, + {"rx_crc_errors", IXGB_STAT(net_stats.rx_crc_errors)}, + {"rx_frame_errors", IXGB_STAT(net_stats.rx_frame_errors)}, + {"rx_fifo_errors", IXGB_STAT(net_stats.rx_fifo_errors)}, + {"rx_missed_errors", IXGB_STAT(net_stats.rx_missed_errors)}, + {"tx_aborted_errors", IXGB_STAT(net_stats.tx_aborted_errors)}, + {"tx_carrier_errors", IXGB_STAT(net_stats.tx_carrier_errors)}, + {"tx_fifo_errors", IXGB_STAT(net_stats.tx_fifo_errors)}, + {"tx_heartbeat_errors", IXGB_STAT(net_stats.tx_heartbeat_errors)}, + {"tx_window_errors", IXGB_STAT(net_stats.tx_window_errors)}, + {"tx_deferred_ok", IXGB_STAT(stats.dc)}, + {"rx_long_length_errors", IXGB_STAT(stats.roc)}, + {"rx_short_length_errors", IXGB_STAT(stats.ruc)}, +#ifdef NETIF_F_TSO + {"tx_tcp_seg_good", IXGB_STAT(stats.tsctc)}, + {"tx_tcp_seg_failed", IXGB_STAT(stats.tsctfc)}, +#endif + {"rx_flow_control_xon", IXGB_STAT(stats.xonrxc)}, + {"rx_flow_control_xoff", IXGB_STAT(stats.xoffrxc)}, + {"tx_flow_control_xon", IXGB_STAT(stats.xontxc)}, + {"tx_flow_control_xoff", IXGB_STAT(stats.xofftxc)}, + {"rx_csum_offload_good", IXGB_STAT(hw_csum_rx_good)}, + {"rx_csum_offload_errors", IXGB_STAT(hw_csum_rx_error)}, + {"tx_csum_offload_good", IXGB_STAT(hw_csum_tx_good)}, + {"tx_csum_offload_errors", IXGB_STAT(hw_csum_tx_error)} +}; + +#define IXGB_STATS_LEN \ + sizeof(ixgb_gstrings_stats) / sizeof(struct ixgb_stats) + +static int +ixgb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) +{ + struct ixgb_adapter *adapter = netdev->priv; + + ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE); + ecmd->advertising = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE); + ecmd->port = PORT_FIBRE; + ecmd->transceiver = XCVR_EXTERNAL; + + if(netif_carrier_ok(adapter->netdev)) { + ecmd->speed = SPEED_10000; + ecmd->duplex = DUPLEX_FULL; + } else { + ecmd->speed = -1; + ecmd->duplex = -1; + } + + ecmd->autoneg = AUTONEG_DISABLE; + return 0; +} + +static int +ixgb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) +{ + struct ixgb_adapter *adapter = netdev->priv; + + if(ecmd->autoneg == AUTONEG_ENABLE || + ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL) + return -EINVAL; + + if(netif_running(adapter->netdev)) { + ixgb_down(adapter, TRUE); + ixgb_reset(adapter); + ixgb_up(adapter); + } else + ixgb_reset(adapter); + + return 0; +} + +static void +ixgb_get_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *pause) +{ + struct ixgb_adapter *adapter = netdev->priv; + struct ixgb_hw *hw = &adapter->hw; + + pause->autoneg = AUTONEG_DISABLE; + + if(hw->fc.type == ixgb_fc_rx_pause) + pause->rx_pause = 1; + else if(hw->fc.type == ixgb_fc_tx_pause) + pause->tx_pause = 1; + else if(hw->fc.type == ixgb_fc_full) { + pause->rx_pause = 1; + pause->tx_pause = 1; + } +} + +static int +ixgb_set_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *pause) +{ + struct ixgb_adapter *adapter = netdev->priv; + struct ixgb_hw *hw = &adapter->hw; + + if(pause->autoneg == AUTONEG_ENABLE) + return -EINVAL; + + if(pause->rx_pause && pause->tx_pause) + hw->fc.type = ixgb_fc_full; + else if(pause->rx_pause && !pause->tx_pause) + hw->fc.type = ixgb_fc_rx_pause; + else if(!pause->rx_pause && pause->tx_pause) + hw->fc.type = ixgb_fc_tx_pause; + else if(!pause->rx_pause && !pause->tx_pause) + hw->fc.type = ixgb_fc_none; + + if(netif_running(adapter->netdev)) { + ixgb_down(adapter, TRUE); + ixgb_up(adapter); + } else + ixgb_reset(adapter); + + return 0; +} + +static uint32_t +ixgb_get_rx_csum(struct net_device *netdev) +{ + struct ixgb_adapter *adapter = netdev->priv; + return adapter->rx_csum; +} + +static int +ixgb_set_rx_csum(struct net_device *netdev, uint32_t data) +{ + struct ixgb_adapter *adapter = netdev->priv; + adapter->rx_csum = data; + + if(netif_running(netdev)) { + ixgb_down(adapter,TRUE); + ixgb_up(adapter); + } else + ixgb_reset(adapter); + return 0; +} + +static uint32_t +ixgb_get_tx_csum(struct net_device *netdev) +{ + return (netdev->features & NETIF_F_HW_CSUM) != 0; +} + +static int +ixgb_set_tx_csum(struct net_device *netdev, uint32_t data) +{ + if (data) + netdev->features |= NETIF_F_HW_CSUM; + else + netdev->features &= ~NETIF_F_HW_CSUM; + + return 0; +} + +#ifdef NETIF_F_TSO +static int +ixgb_set_tso(struct net_device *netdev, uint32_t data) +{ + if(data) + netdev->features |= NETIF_F_TSO; + else + netdev->features &= ~NETIF_F_TSO; + return 0; +} +#endif /* NETIF_F_TSO */ + +#define IXGB_GET_STAT(_A_, _R_) _A_->stats._R_ + +static int +ixgb_get_regs_len(struct net_device *netdev) +{ +#define IXGB_REG_DUMP_LEN 136*sizeof(uint32_t) + return IXGB_REG_DUMP_LEN; +} + +static void +ixgb_get_regs(struct net_device *netdev, + struct ethtool_regs *regs, void *p) +{ + struct ixgb_adapter *adapter = netdev->priv; + struct ixgb_hw *hw = &adapter->hw; + uint32_t *reg = p; + uint32_t *reg_start = reg; + uint8_t i; + + regs->version = (adapter->hw.device_id << 16) | adapter->hw.subsystem_id; + + /* General Registers */ + *reg++ = IXGB_READ_REG(hw, CTRL0); /* 0 */ + *reg++ = IXGB_READ_REG(hw, CTRL1); /* 1 */ + *reg++ = IXGB_READ_REG(hw, STATUS); /* 2 */ + *reg++ = IXGB_READ_REG(hw, EECD); /* 3 */ + *reg++ = IXGB_READ_REG(hw, MFS); /* 4 */ + + /* Interrupt */ + *reg++ = IXGB_READ_REG(hw, ICR); /* 5 */ + *reg++ = IXGB_READ_REG(hw, ICS); /* 6 */ + *reg++ = IXGB_READ_REG(hw, IMS); /* 7 */ + *reg++ = IXGB_READ_REG(hw, IMC); /* 8 */ + + /* Receive */ + *reg++ = IXGB_READ_REG(hw, RCTL); /* 9 */ + *reg++ = IXGB_READ_REG(hw, FCRTL); /* 10 */ + *reg++ = IXGB_READ_REG(hw, FCRTH); /* 11 */ + *reg++ = IXGB_READ_REG(hw, RDBAL); /* 12 */ + *reg++ = IXGB_READ_REG(hw, RDBAH); /* 13 */ + *reg++ = IXGB_READ_REG(hw, RDLEN); /* 14 */ + *reg++ = IXGB_READ_REG(hw, RDH); /* 15 */ + *reg++ = IXGB_READ_REG(hw, RDT); /* 16 */ + *reg++ = IXGB_READ_REG(hw, RDTR); /* 17 */ + *reg++ = IXGB_READ_REG(hw, RXDCTL); /* 18 */ + *reg++ = IXGB_READ_REG(hw, RAIDC); /* 19 */ + *reg++ = IXGB_READ_REG(hw, RXCSUM); /* 20 */ + + for (i = 0; i < IXGB_RAR_ENTRIES; i++) { + *reg++ = IXGB_READ_REG_ARRAY(hw, RAL, (i << 1)); /*21,...,51 */ + *reg++ = IXGB_READ_REG_ARRAY(hw, RAH, (i << 1)); /*22,...,52 */ + } + + /* Transmit */ + *reg++ = IXGB_READ_REG(hw, TCTL); /* 53 */ + *reg++ = IXGB_READ_REG(hw, TDBAL); /* 54 */ + *reg++ = IXGB_READ_REG(hw, TDBAH); /* 55 */ + *reg++ = IXGB_READ_REG(hw, TDLEN); /* 56 */ + *reg++ = IXGB_READ_REG(hw, TDH); /* 57 */ + *reg++ = IXGB_READ_REG(hw, TDT); /* 58 */ + *reg++ = IXGB_READ_REG(hw, TIDV); /* 59 */ + *reg++ = IXGB_READ_REG(hw, TXDCTL); /* 60 */ + *reg++ = IXGB_READ_REG(hw, TSPMT); /* 61 */ + *reg++ = IXGB_READ_REG(hw, PAP); /* 62 */ + + /* Physical */ + *reg++ = IXGB_READ_REG(hw, PCSC1); /* 63 */ + *reg++ = IXGB_READ_REG(hw, PCSC2); /* 64 */ + *reg++ = IXGB_READ_REG(hw, PCSS1); /* 65 */ + *reg++ = IXGB_READ_REG(hw, PCSS2); /* 66 */ + *reg++ = IXGB_READ_REG(hw, XPCSS); /* 67 */ + *reg++ = IXGB_READ_REG(hw, UCCR); /* 68 */ + *reg++ = IXGB_READ_REG(hw, XPCSTC); /* 69 */ + *reg++ = IXGB_READ_REG(hw, MACA); /* 70 */ + *reg++ = IXGB_READ_REG(hw, APAE); /* 71 */ + *reg++ = IXGB_READ_REG(hw, ARD); /* 72 */ + *reg++ = IXGB_READ_REG(hw, AIS); /* 73 */ + *reg++ = IXGB_READ_REG(hw, MSCA); /* 74 */ + *reg++ = IXGB_READ_REG(hw, MSRWD); /* 75 */ + + /* Statistics */ + *reg++ = IXGB_GET_STAT(adapter, tprl); /* 76 */ + *reg++ = IXGB_GET_STAT(adapter, tprh); /* 77 */ + *reg++ = IXGB_GET_STAT(adapter, gprcl); /* 78 */ + *reg++ = IXGB_GET_STAT(adapter, gprch); /* 79 */ + *reg++ = IXGB_GET_STAT(adapter, bprcl); /* 80 */ + *reg++ = IXGB_GET_STAT(adapter, bprch); /* 81 */ + *reg++ = IXGB_GET_STAT(adapter, mprcl); /* 82 */ + *reg++ = IXGB_GET_STAT(adapter, mprch); /* 83 */ + *reg++ = IXGB_GET_STAT(adapter, uprcl); /* 84 */ + *reg++ = IXGB_GET_STAT(adapter, uprch); /* 85 */ + *reg++ = IXGB_GET_STAT(adapter, vprcl); /* 86 */ + *reg++ = IXGB_GET_STAT(adapter, vprch); /* 87 */ + *reg++ = IXGB_GET_STAT(adapter, jprcl); /* 88 */ + *reg++ = IXGB_GET_STAT(adapter, jprch); /* 89 */ + *reg++ = IXGB_GET_STAT(adapter, gorcl); /* 90 */ + *reg++ = IXGB_GET_STAT(adapter, gorch); /* 91 */ + *reg++ = IXGB_GET_STAT(adapter, torl); /* 92 */ + *reg++ = IXGB_GET_STAT(adapter, torh); /* 93 */ + *reg++ = IXGB_GET_STAT(adapter, rnbc); /* 94 */ + *reg++ = IXGB_GET_STAT(adapter, ruc); /* 95 */ + *reg++ = IXGB_GET_STAT(adapter, roc); /* 96 */ + *reg++ = IXGB_GET_STAT(adapter, rlec); /* 97 */ + *reg++ = IXGB_GET_STAT(adapter, crcerrs); /* 98 */ + *reg++ = IXGB_GET_STAT(adapter, icbc); /* 99 */ + *reg++ = IXGB_GET_STAT(adapter, ecbc); /* 100 */ + *reg++ = IXGB_GET_STAT(adapter, mpc); /* 101 */ + *reg++ = IXGB_GET_STAT(adapter, tptl); /* 102 */ + *reg++ = IXGB_GET_STAT(adapter, tpth); /* 103 */ + *reg++ = IXGB_GET_STAT(adapter, gptcl); /* 104 */ + *reg++ = IXGB_GET_STAT(adapter, gptch); /* 105 */ + *reg++ = IXGB_GET_STAT(adapter, bptcl); /* 106 */ + *reg++ = IXGB_GET_STAT(adapter, bptch); /* 107 */ + *reg++ = IXGB_GET_STAT(adapter, mptcl); /* 108 */ + *reg++ = IXGB_GET_STAT(adapter, mptch); /* 109 */ + *reg++ = IXGB_GET_STAT(adapter, uptcl); /* 110 */ + *reg++ = IXGB_GET_STAT(adapter, uptch); /* 111 */ + *reg++ = IXGB_GET_STAT(adapter, vptcl); /* 112 */ + *reg++ = IXGB_GET_STAT(adapter, vptch); /* 113 */ + *reg++ = IXGB_GET_STAT(adapter, jptcl); /* 114 */ + *reg++ = IXGB_GET_STAT(adapter, jptch); /* 115 */ + *reg++ = IXGB_GET_STAT(adapter, gotcl); /* 116 */ + *reg++ = IXGB_GET_STAT(adapter, gotch); /* 117 */ + *reg++ = IXGB_GET_STAT(adapter, totl); /* 118 */ + *reg++ = IXGB_GET_STAT(adapter, toth); /* 119 */ + *reg++ = IXGB_GET_STAT(adapter, dc); /* 120 */ + *reg++ = IXGB_GET_STAT(adapter, plt64c); /* 121 */ + *reg++ = IXGB_GET_STAT(adapter, tsctc); /* 122 */ + *reg++ = IXGB_GET_STAT(adapter, tsctfc); /* 123 */ + *reg++ = IXGB_GET_STAT(adapter, ibic); /* 124 */ + *reg++ = IXGB_GET_STAT(adapter, rfc); /* 125 */ + *reg++ = IXGB_GET_STAT(adapter, lfc); /* 126 */ + *reg++ = IXGB_GET_STAT(adapter, pfrc); /* 127 */ + *reg++ = IXGB_GET_STAT(adapter, pftc); /* 128 */ + *reg++ = IXGB_GET_STAT(adapter, mcfrc); /* 129 */ + *reg++ = IXGB_GET_STAT(adapter, mcftc); /* 130 */ + *reg++ = IXGB_GET_STAT(adapter, xonrxc); /* 131 */ + *reg++ = IXGB_GET_STAT(adapter, xontxc); /* 132 */ + *reg++ = IXGB_GET_STAT(adapter, xoffrxc); /* 133 */ + *reg++ = IXGB_GET_STAT(adapter, xofftxc); /* 134 */ + *reg++ = IXGB_GET_STAT(adapter, rjc); /* 135 */ + + regs->len = (reg - reg_start) * sizeof(uint32_t); +} + +static int +ixgb_get_eeprom_len(struct net_device *netdev) +{ + /* return size in bytes */ + return (IXGB_EEPROM_SIZE << 1); +} + +static int +ixgb_get_eeprom(struct net_device *netdev, + struct ethtool_eeprom *eeprom, uint8_t *bytes) +{ + struct ixgb_adapter *adapter = netdev->priv; + struct ixgb_hw *hw = &adapter->hw; + uint16_t *eeprom_buff; + int i, max_len, first_word, last_word; + int ret_val = 0; + + if(eeprom->len == 0) { + ret_val = -EINVAL; + goto geeprom_error; + } + + eeprom->magic = hw->vendor_id | (hw->device_id << 16); + + max_len = ixgb_get_eeprom_len(netdev); + + if(eeprom->offset > eeprom->offset + eeprom->len) { + ret_val = -EINVAL; + goto geeprom_error; + } + + if((eeprom->offset + eeprom->len) > max_len) + eeprom->len = (max_len - eeprom->offset); + + 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; + + /* note the eeprom was good because the driver loaded */ + for(i = 0; i <= (last_word - first_word); i++) { + eeprom_buff[i] = ixgb_get_eeprom_word(hw, (first_word + i)); + } + + memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1), + eeprom->len); + kfree(eeprom_buff); + +geeprom_error: + return ret_val; +} + +static int +ixgb_set_eeprom(struct net_device *netdev, + struct ethtool_eeprom *eeprom, uint8_t *bytes) +{ + struct ixgb_adapter *adapter = netdev->priv; + struct ixgb_hw *hw = &adapter->hw; + uint16_t *eeprom_buff; + void *ptr; + int max_len, first_word, last_word; + uint16_t i; + + if(eeprom->len == 0) + return -EINVAL; + + if(eeprom->magic != (hw->vendor_id | (hw->device_id << 16))) + return -EFAULT; + + max_len = ixgb_get_eeprom_len(netdev); + + if(eeprom->offset > eeprom->offset + eeprom->len) + return -EINVAL; + + if((eeprom->offset + eeprom->len) > max_len) + eeprom->len = (max_len - eeprom->offset); + + 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 */ + eeprom_buff[0] = ixgb_read_eeprom(hw, first_word); + ptr++; + } + if((eeprom->offset + eeprom->len) & 1) { + /* need read/modify/write of last changed EEPROM word */ + /* only the first byte of the word is being modified */ + eeprom_buff[last_word - first_word] + = ixgb_read_eeprom(hw, last_word); + } + + memcpy(ptr, bytes, eeprom->len); + for(i = 0; i <= (last_word - first_word); i++) + ixgb_write_eeprom(hw, first_word + i, eeprom_buff[i]); + + /* Update the checksum over the first part of the EEPROM if needed */ + if(first_word <= EEPROM_CHECKSUM_REG) + ixgb_update_eeprom_checksum(hw); + + kfree(eeprom_buff); + return 0; +} + +static void +ixgb_get_drvinfo(struct net_device *netdev, + struct ethtool_drvinfo *drvinfo) +{ + struct ixgb_adapter *adapter = netdev->priv; + + strncpy(drvinfo->driver, ixgb_driver_name, 32); + strncpy(drvinfo->version, ixgb_driver_version, 32); + strncpy(drvinfo->fw_version, "N/A", 32); + strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); + drvinfo->n_stats = IXGB_STATS_LEN; + drvinfo->regdump_len = ixgb_get_regs_len(netdev); + drvinfo->eedump_len = ixgb_get_eeprom_len(netdev); +} + +static void +ixgb_get_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ring) +{ + struct ixgb_adapter *adapter = netdev->priv; + struct ixgb_desc_ring *txdr = &adapter->tx_ring; + struct ixgb_desc_ring *rxdr = &adapter->rx_ring; + + ring->rx_max_pending = MAX_RXD; + ring->tx_max_pending = MAX_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 +ixgb_set_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ring) +{ + struct ixgb_adapter *adapter = netdev->priv; + struct ixgb_desc_ring *txdr = &adapter->tx_ring; + struct ixgb_desc_ring *rxdr = &adapter->rx_ring; + struct ixgb_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)) + ixgb_down(adapter,TRUE); + + rxdr->count = max(ring->rx_pending,(uint32_t)MIN_RXD); + rxdr->count = min(rxdr->count,(uint32_t)MAX_RXD); + IXGB_ROUNDUP(rxdr->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE); + + txdr->count = max(ring->tx_pending,(uint32_t)MIN_TXD); + txdr->count = min(txdr->count,(uint32_t)MAX_TXD); + IXGB_ROUNDUP(txdr->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE); + + if(netif_running(adapter->netdev)) { + /* Try to get new resources before deleting old */ + if((err = ixgb_setup_rx_resources(adapter))) + goto err_setup_rx; + if((err = ixgb_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; + ixgb_free_rx_resources(adapter); + ixgb_free_tx_resources(adapter); + adapter->rx_ring = rx_new; + adapter->tx_ring = tx_new; + if((err = ixgb_up(adapter))) + return err; + } + + return 0; +err_setup_tx: + ixgb_free_rx_resources(adapter); +err_setup_rx: + adapter->rx_ring = rx_old; + adapter->tx_ring = tx_old; + ixgb_up(adapter); + return err; +} + +/* toggle LED 4 times per second = 2 "blinks" per second */ +#define IXGB_ID_INTERVAL (HZ/4) + +/* bit defines for adapter->led_status */ +#define IXGB_LED_ON 0 + +static void +ixgb_led_blink_callback(unsigned long data) +{ + struct ixgb_adapter *adapter = (struct ixgb_adapter *)data; + + if(test_and_change_bit(IXGB_LED_ON, &adapter->led_status)) + ixgb_led_off(&adapter->hw); + else + ixgb_led_on(&adapter->hw); + + mod_timer(&adapter->blink_timer, jiffies + IXGB_ID_INTERVAL); +} + +static int +ixgb_phys_id(struct net_device *netdev, uint32_t data) +{ + struct ixgb_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 = ixgb_led_blink_callback; + adapter->blink_timer.data = (unsigned long)adapter; + } + + mod_timer(&adapter->blink_timer, jiffies); + + set_current_state(TASK_INTERRUPTIBLE); + if(data) + schedule_timeout(data * HZ); + else + schedule_timeout(MAX_SCHEDULE_TIMEOUT); + + del_timer_sync(&adapter->blink_timer); + ixgb_led_off(&adapter->hw); + clear_bit(IXGB_LED_ON, &adapter->led_status); + + return 0; +} + +static int +ixgb_get_stats_count(struct net_device *netdev) +{ + return IXGB_STATS_LEN; +} + +static void +ixgb_get_ethtool_stats(struct net_device *netdev, + struct ethtool_stats *stats, uint64_t *data) +{ + struct ixgb_adapter *adapter = netdev->priv; + int i; + + ixgb_update_stats(adapter); + for(i = 0; i < IXGB_STATS_LEN; i++) { + char *p = (char *)adapter+ixgb_gstrings_stats[i].stat_offset; + data[i] = (ixgb_gstrings_stats[i].sizeof_stat == + sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p; + } +} + +static void +ixgb_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data) +{ + int i; + + switch(stringset) { + case ETH_SS_STATS: + for(i=0; i < IXGB_STATS_LEN; i++) { + memcpy(data + i * ETH_GSTRING_LEN, + ixgb_gstrings_stats[i].stat_string, + ETH_GSTRING_LEN); + } + break; + } +} + +struct ethtool_ops ixgb_ethtool_ops = { + .get_settings = ixgb_get_settings, + .set_settings = ixgb_set_settings, + .get_drvinfo = ixgb_get_drvinfo, + .get_regs_len = ixgb_get_regs_len, + .get_regs = ixgb_get_regs, + .get_link = ethtool_op_get_link, + .get_eeprom_len = ixgb_get_eeprom_len, + .get_eeprom = ixgb_get_eeprom, + .set_eeprom = ixgb_set_eeprom, + .get_ringparam = ixgb_get_ringparam, + .set_ringparam = ixgb_set_ringparam, + .get_pauseparam = ixgb_get_pauseparam, + .set_pauseparam = ixgb_set_pauseparam, + .get_rx_csum = ixgb_get_rx_csum, + .set_rx_csum = ixgb_set_rx_csum, + .get_tx_csum = ixgb_get_tx_csum, + .set_tx_csum = ixgb_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 = ixgb_set_tso, +#endif + .get_strings = ixgb_get_strings, + .phys_id = ixgb_phys_id, + .get_stats_count = ixgb_get_stats_count, + .get_ethtool_stats = ixgb_get_ethtool_stats, +}; + +void ixgb_set_ethtool_ops(struct net_device *netdev) +{ + SET_ETHTOOL_OPS(netdev, &ixgb_ethtool_ops); +} |