549 lines
15 KiB
C
549 lines
15 KiB
C
/*******************************************************************************
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Intel(R) 82576 Virtual Function Linux driver
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Copyright(c) 2009 Intel Corporation.
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This program is free software; you can redistribute it and/or modify it
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under the terms and conditions of the GNU General Public License,
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version 2, as published by the Free Software Foundation.
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This program is distributed in the hope it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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The full GNU General Public License is included in this distribution in
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the file called "COPYING".
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Contact Information:
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e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*******************************************************************************/
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/* ethtool support for igbvf */
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#include <linux/netdevice.h>
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#include <linux/ethtool.h>
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#include <linux/pci.h>
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#include <linux/vmalloc.h>
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#include <linux/delay.h>
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#include "igbvf.h"
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#include <linux/if_vlan.h>
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struct igbvf_stats {
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char stat_string[ETH_GSTRING_LEN];
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int sizeof_stat;
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int stat_offset;
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int base_stat_offset;
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};
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#define IGBVF_STAT(current, base) \
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sizeof(((struct igbvf_adapter *)0)->current), \
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offsetof(struct igbvf_adapter, current), \
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offsetof(struct igbvf_adapter, base)
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static const struct igbvf_stats igbvf_gstrings_stats[] = {
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{ "rx_packets", IGBVF_STAT(stats.gprc, stats.base_gprc) },
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{ "tx_packets", IGBVF_STAT(stats.gptc, stats.base_gptc) },
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{ "rx_bytes", IGBVF_STAT(stats.gorc, stats.base_gorc) },
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{ "tx_bytes", IGBVF_STAT(stats.gotc, stats.base_gotc) },
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{ "multicast", IGBVF_STAT(stats.mprc, stats.base_mprc) },
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{ "lbrx_bytes", IGBVF_STAT(stats.gorlbc, stats.base_gorlbc) },
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{ "lbrx_packets", IGBVF_STAT(stats.gprlbc, stats.base_gprlbc) },
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{ "tx_restart_queue", IGBVF_STAT(restart_queue, zero_base) },
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{ "rx_long_byte_count", IGBVF_STAT(stats.gorc, stats.base_gorc) },
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{ "rx_csum_offload_good", IGBVF_STAT(hw_csum_good, zero_base) },
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{ "rx_csum_offload_errors", IGBVF_STAT(hw_csum_err, zero_base) },
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{ "rx_header_split", IGBVF_STAT(rx_hdr_split, zero_base) },
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{ "alloc_rx_buff_failed", IGBVF_STAT(alloc_rx_buff_failed, zero_base) },
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};
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#define IGBVF_GLOBAL_STATS_LEN ARRAY_SIZE(igbvf_gstrings_stats)
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static const char igbvf_gstrings_test[][ETH_GSTRING_LEN] = {
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"Link test (on/offline)"
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};
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#define IGBVF_TEST_LEN ARRAY_SIZE(igbvf_gstrings_test)
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static int igbvf_get_settings(struct net_device *netdev,
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struct ethtool_cmd *ecmd)
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{
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struct igbvf_adapter *adapter = netdev_priv(netdev);
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struct e1000_hw *hw = &adapter->hw;
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u32 status;
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ecmd->supported = SUPPORTED_1000baseT_Full;
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ecmd->advertising = ADVERTISED_1000baseT_Full;
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ecmd->port = -1;
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ecmd->transceiver = XCVR_DUMMY1;
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status = er32(STATUS);
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if (status & E1000_STATUS_LU) {
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if (status & E1000_STATUS_SPEED_1000)
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ecmd->speed = 1000;
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else if (status & E1000_STATUS_SPEED_100)
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ecmd->speed = 100;
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else
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ecmd->speed = 10;
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if (status & E1000_STATUS_FD)
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ecmd->duplex = DUPLEX_FULL;
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else
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ecmd->duplex = DUPLEX_HALF;
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} else {
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ecmd->speed = -1;
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ecmd->duplex = -1;
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}
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ecmd->autoneg = AUTONEG_DISABLE;
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return 0;
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}
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static u32 igbvf_get_link(struct net_device *netdev)
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{
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return netif_carrier_ok(netdev);
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}
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static int igbvf_set_settings(struct net_device *netdev,
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struct ethtool_cmd *ecmd)
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{
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return -EOPNOTSUPP;
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}
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static void igbvf_get_pauseparam(struct net_device *netdev,
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struct ethtool_pauseparam *pause)
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{
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return;
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}
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static int igbvf_set_pauseparam(struct net_device *netdev,
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struct ethtool_pauseparam *pause)
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{
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return -EOPNOTSUPP;
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}
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static u32 igbvf_get_rx_csum(struct net_device *netdev)
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{
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struct igbvf_adapter *adapter = netdev_priv(netdev);
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return !(adapter->flags & IGBVF_FLAG_RX_CSUM_DISABLED);
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}
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static int igbvf_set_rx_csum(struct net_device *netdev, u32 data)
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{
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struct igbvf_adapter *adapter = netdev_priv(netdev);
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if (data)
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adapter->flags &= ~IGBVF_FLAG_RX_CSUM_DISABLED;
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else
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adapter->flags |= IGBVF_FLAG_RX_CSUM_DISABLED;
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return 0;
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}
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static u32 igbvf_get_tx_csum(struct net_device *netdev)
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{
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return ((netdev->features & NETIF_F_IP_CSUM) != 0);
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}
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static int igbvf_set_tx_csum(struct net_device *netdev, u32 data)
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{
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if (data)
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netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
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else
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netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
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return 0;
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}
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static int igbvf_set_tso(struct net_device *netdev, u32 data)
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{
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struct igbvf_adapter *adapter = netdev_priv(netdev);
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if (data) {
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netdev->features |= NETIF_F_TSO;
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netdev->features |= NETIF_F_TSO6;
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} else {
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netdev->features &= ~NETIF_F_TSO;
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netdev->features &= ~NETIF_F_TSO6;
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}
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dev_info(&adapter->pdev->dev, "TSO is %s\n",
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data ? "Enabled" : "Disabled");
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return 0;
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}
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static u32 igbvf_get_msglevel(struct net_device *netdev)
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{
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struct igbvf_adapter *adapter = netdev_priv(netdev);
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return adapter->msg_enable;
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}
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static void igbvf_set_msglevel(struct net_device *netdev, u32 data)
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{
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struct igbvf_adapter *adapter = netdev_priv(netdev);
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adapter->msg_enable = data;
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}
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static int igbvf_get_regs_len(struct net_device *netdev)
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{
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#define IGBVF_REGS_LEN 8
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return IGBVF_REGS_LEN * sizeof(u32);
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}
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static void igbvf_get_regs(struct net_device *netdev,
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struct ethtool_regs *regs, void *p)
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{
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struct igbvf_adapter *adapter = netdev_priv(netdev);
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struct e1000_hw *hw = &adapter->hw;
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u32 *regs_buff = p;
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u8 revision_id;
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memset(p, 0, IGBVF_REGS_LEN * sizeof(u32));
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pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id);
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regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device;
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regs_buff[0] = er32(CTRL);
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regs_buff[1] = er32(STATUS);
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regs_buff[2] = er32(RDLEN(0));
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regs_buff[3] = er32(RDH(0));
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regs_buff[4] = er32(RDT(0));
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regs_buff[5] = er32(TDLEN(0));
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regs_buff[6] = er32(TDH(0));
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regs_buff[7] = er32(TDT(0));
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}
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static int igbvf_get_eeprom_len(struct net_device *netdev)
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{
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return 0;
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}
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static int igbvf_get_eeprom(struct net_device *netdev,
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struct ethtool_eeprom *eeprom, u8 *bytes)
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{
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return -EOPNOTSUPP;
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}
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static int igbvf_set_eeprom(struct net_device *netdev,
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struct ethtool_eeprom *eeprom, u8 *bytes)
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{
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return -EOPNOTSUPP;
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}
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static void igbvf_get_drvinfo(struct net_device *netdev,
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struct ethtool_drvinfo *drvinfo)
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{
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struct igbvf_adapter *adapter = netdev_priv(netdev);
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char firmware_version[32] = "N/A";
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strncpy(drvinfo->driver, igbvf_driver_name, 32);
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strncpy(drvinfo->version, igbvf_driver_version, 32);
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strncpy(drvinfo->fw_version, firmware_version, 32);
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strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
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drvinfo->regdump_len = igbvf_get_regs_len(netdev);
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drvinfo->eedump_len = igbvf_get_eeprom_len(netdev);
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}
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static void igbvf_get_ringparam(struct net_device *netdev,
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struct ethtool_ringparam *ring)
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{
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struct igbvf_adapter *adapter = netdev_priv(netdev);
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struct igbvf_ring *tx_ring = adapter->tx_ring;
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struct igbvf_ring *rx_ring = adapter->rx_ring;
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ring->rx_max_pending = IGBVF_MAX_RXD;
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ring->tx_max_pending = IGBVF_MAX_TXD;
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ring->rx_mini_max_pending = 0;
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ring->rx_jumbo_max_pending = 0;
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ring->rx_pending = rx_ring->count;
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ring->tx_pending = tx_ring->count;
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ring->rx_mini_pending = 0;
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ring->rx_jumbo_pending = 0;
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}
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static int igbvf_set_ringparam(struct net_device *netdev,
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struct ethtool_ringparam *ring)
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{
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struct igbvf_adapter *adapter = netdev_priv(netdev);
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struct igbvf_ring *temp_ring;
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int err = 0;
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u32 new_rx_count, new_tx_count;
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if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
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return -EINVAL;
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new_rx_count = max(ring->rx_pending, (u32)IGBVF_MIN_RXD);
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new_rx_count = min(new_rx_count, (u32)IGBVF_MAX_RXD);
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new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
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new_tx_count = max(ring->tx_pending, (u32)IGBVF_MIN_TXD);
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new_tx_count = min(new_tx_count, (u32)IGBVF_MAX_TXD);
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new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
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if ((new_tx_count == adapter->tx_ring->count) &&
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(new_rx_count == adapter->rx_ring->count)) {
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/* nothing to do */
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return 0;
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}
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while (test_and_set_bit(__IGBVF_RESETTING, &adapter->state))
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msleep(1);
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if (!netif_running(adapter->netdev)) {
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adapter->tx_ring->count = new_tx_count;
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adapter->rx_ring->count = new_rx_count;
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goto clear_reset;
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}
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temp_ring = vmalloc(sizeof(struct igbvf_ring));
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if (!temp_ring) {
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err = -ENOMEM;
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goto clear_reset;
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}
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igbvf_down(adapter);
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/*
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* We can't just free everything and then setup again,
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* because the ISRs in MSI-X mode get passed pointers
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* to the tx and rx ring structs.
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*/
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if (new_tx_count != adapter->tx_ring->count) {
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memcpy(temp_ring, adapter->tx_ring, sizeof(struct igbvf_ring));
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temp_ring->count = new_tx_count;
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err = igbvf_setup_tx_resources(adapter, temp_ring);
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if (err)
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goto err_setup;
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igbvf_free_tx_resources(adapter->tx_ring);
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memcpy(adapter->tx_ring, temp_ring, sizeof(struct igbvf_ring));
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}
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if (new_rx_count != adapter->rx_ring->count) {
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memcpy(temp_ring, adapter->rx_ring, sizeof(struct igbvf_ring));
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temp_ring->count = new_rx_count;
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err = igbvf_setup_rx_resources(adapter, temp_ring);
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if (err)
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goto err_setup;
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igbvf_free_rx_resources(adapter->rx_ring);
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memcpy(adapter->rx_ring, temp_ring,sizeof(struct igbvf_ring));
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}
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err_setup:
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igbvf_up(adapter);
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vfree(temp_ring);
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clear_reset:
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clear_bit(__IGBVF_RESETTING, &adapter->state);
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return err;
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}
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static int igbvf_link_test(struct igbvf_adapter *adapter, u64 *data)
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{
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struct e1000_hw *hw = &adapter->hw;
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*data = 0;
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hw->mac.ops.check_for_link(hw);
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if (!(er32(STATUS) & E1000_STATUS_LU))
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*data = 1;
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return *data;
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}
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static int igbvf_get_self_test_count(struct net_device *netdev)
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{
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return IGBVF_TEST_LEN;
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}
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static int igbvf_get_stats_count(struct net_device *netdev)
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{
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return IGBVF_GLOBAL_STATS_LEN;
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}
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static void igbvf_diag_test(struct net_device *netdev,
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struct ethtool_test *eth_test, u64 *data)
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{
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struct igbvf_adapter *adapter = netdev_priv(netdev);
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set_bit(__IGBVF_TESTING, &adapter->state);
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/*
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* Link test performed before hardware reset so autoneg doesn't
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* interfere with test result
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*/
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if (igbvf_link_test(adapter, &data[0]))
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eth_test->flags |= ETH_TEST_FL_FAILED;
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clear_bit(__IGBVF_TESTING, &adapter->state);
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msleep_interruptible(4 * 1000);
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}
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static void igbvf_get_wol(struct net_device *netdev,
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struct ethtool_wolinfo *wol)
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{
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wol->supported = 0;
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wol->wolopts = 0;
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return;
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}
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static int igbvf_set_wol(struct net_device *netdev,
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struct ethtool_wolinfo *wol)
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{
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return -EOPNOTSUPP;
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}
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static int igbvf_phys_id(struct net_device *netdev, u32 data)
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{
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return 0;
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}
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static int igbvf_get_coalesce(struct net_device *netdev,
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struct ethtool_coalesce *ec)
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{
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struct igbvf_adapter *adapter = netdev_priv(netdev);
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if (adapter->itr_setting <= 3)
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ec->rx_coalesce_usecs = adapter->itr_setting;
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else
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ec->rx_coalesce_usecs = adapter->itr_setting >> 2;
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return 0;
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}
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static int igbvf_set_coalesce(struct net_device *netdev,
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struct ethtool_coalesce *ec)
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{
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struct igbvf_adapter *adapter = netdev_priv(netdev);
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struct e1000_hw *hw = &adapter->hw;
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if ((ec->rx_coalesce_usecs > IGBVF_MAX_ITR_USECS) ||
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((ec->rx_coalesce_usecs > 3) &&
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(ec->rx_coalesce_usecs < IGBVF_MIN_ITR_USECS)) ||
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(ec->rx_coalesce_usecs == 2))
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return -EINVAL;
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/* convert to rate of irq's per second */
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if (ec->rx_coalesce_usecs && ec->rx_coalesce_usecs <= 3) {
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adapter->itr = IGBVF_START_ITR;
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adapter->itr_setting = ec->rx_coalesce_usecs;
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} else {
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adapter->itr = ec->rx_coalesce_usecs << 2;
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adapter->itr_setting = adapter->itr;
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}
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writel(adapter->itr,
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hw->hw_addr + adapter->rx_ring[0].itr_register);
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return 0;
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}
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static int igbvf_nway_reset(struct net_device *netdev)
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{
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struct igbvf_adapter *adapter = netdev_priv(netdev);
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if (netif_running(netdev))
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igbvf_reinit_locked(adapter);
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return 0;
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}
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static void igbvf_get_ethtool_stats(struct net_device *netdev,
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struct ethtool_stats *stats,
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u64 *data)
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{
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struct igbvf_adapter *adapter = netdev_priv(netdev);
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int i;
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igbvf_update_stats(adapter);
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for (i = 0; i < IGBVF_GLOBAL_STATS_LEN; i++) {
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char *p = (char *)adapter +
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igbvf_gstrings_stats[i].stat_offset;
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char *b = (char *)adapter +
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igbvf_gstrings_stats[i].base_stat_offset;
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data[i] = ((igbvf_gstrings_stats[i].sizeof_stat ==
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sizeof(u64)) ? (*(u64 *)p - *(u64 *)b) :
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(*(u32 *)p - *(u32 *)b));
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}
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}
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static void igbvf_get_strings(struct net_device *netdev, u32 stringset,
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u8 *data)
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{
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u8 *p = data;
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int i;
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|
|
switch (stringset) {
|
|
case ETH_SS_TEST:
|
|
memcpy(data, *igbvf_gstrings_test, sizeof(igbvf_gstrings_test));
|
|
break;
|
|
case ETH_SS_STATS:
|
|
for (i = 0; i < IGBVF_GLOBAL_STATS_LEN; i++) {
|
|
memcpy(p, igbvf_gstrings_stats[i].stat_string,
|
|
ETH_GSTRING_LEN);
|
|
p += ETH_GSTRING_LEN;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static const struct ethtool_ops igbvf_ethtool_ops = {
|
|
.get_settings = igbvf_get_settings,
|
|
.set_settings = igbvf_set_settings,
|
|
.get_drvinfo = igbvf_get_drvinfo,
|
|
.get_regs_len = igbvf_get_regs_len,
|
|
.get_regs = igbvf_get_regs,
|
|
.get_wol = igbvf_get_wol,
|
|
.set_wol = igbvf_set_wol,
|
|
.get_msglevel = igbvf_get_msglevel,
|
|
.set_msglevel = igbvf_set_msglevel,
|
|
.nway_reset = igbvf_nway_reset,
|
|
.get_link = igbvf_get_link,
|
|
.get_eeprom_len = igbvf_get_eeprom_len,
|
|
.get_eeprom = igbvf_get_eeprom,
|
|
.set_eeprom = igbvf_set_eeprom,
|
|
.get_ringparam = igbvf_get_ringparam,
|
|
.set_ringparam = igbvf_set_ringparam,
|
|
.get_pauseparam = igbvf_get_pauseparam,
|
|
.set_pauseparam = igbvf_set_pauseparam,
|
|
.get_rx_csum = igbvf_get_rx_csum,
|
|
.set_rx_csum = igbvf_set_rx_csum,
|
|
.get_tx_csum = igbvf_get_tx_csum,
|
|
.set_tx_csum = igbvf_set_tx_csum,
|
|
.get_sg = ethtool_op_get_sg,
|
|
.set_sg = ethtool_op_set_sg,
|
|
.get_tso = ethtool_op_get_tso,
|
|
.set_tso = igbvf_set_tso,
|
|
.self_test = igbvf_diag_test,
|
|
.get_strings = igbvf_get_strings,
|
|
.phys_id = igbvf_phys_id,
|
|
.get_ethtool_stats = igbvf_get_ethtool_stats,
|
|
.self_test_count = igbvf_get_self_test_count,
|
|
.get_stats_count = igbvf_get_stats_count,
|
|
.get_coalesce = igbvf_get_coalesce,
|
|
.set_coalesce = igbvf_set_coalesce,
|
|
};
|
|
|
|
void igbvf_set_ethtool_ops(struct net_device *netdev)
|
|
{
|
|
/* have to "undeclare" const on this struct to remove warnings */
|
|
SET_ETHTOOL_OPS(netdev, (struct ethtool_ops *)&igbvf_ethtool_ops);
|
|
}
|