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-rw-r--r--drivers/net/igb/igb_ethtool.c1927
1 files changed, 1927 insertions, 0 deletions
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
new file mode 100644
index 000000000000..f69721e4eaa1
--- /dev/null
+++ b/drivers/net/igb/igb_ethtool.c
@@ -0,0 +1,1927 @@
+/*******************************************************************************
+
+ Intel(R) Gigabit Ethernet Linux driver
+ Copyright(c) 2007 Intel Corporation.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms and conditions of the GNU General Public License,
+ version 2, as published by the Free Software Foundation.
+
+ This program is distributed in the hope 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.,
+ 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+ The full GNU General Public License is included in this distribution in
+ the file called "COPYING".
+
+ Contact Information:
+ e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+ Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+/* ethtool support for igb */
+
+#include <linux/vmalloc.h>
+#include <linux/netdevice.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/if_ether.h>
+#include <linux/ethtool.h>
+
+#include "igb.h"
+
+struct igb_stats {
+ char stat_string[ETH_GSTRING_LEN];
+ int sizeof_stat;
+ int stat_offset;
+};
+
+#define IGB_STAT(m) sizeof(((struct igb_adapter *)0)->m), \
+ offsetof(struct igb_adapter, m)
+static const struct igb_stats igb_gstrings_stats[] = {
+ { "rx_packets", IGB_STAT(stats.gprc) },
+ { "tx_packets", IGB_STAT(stats.gptc) },
+ { "rx_bytes", IGB_STAT(stats.gorc) },
+ { "tx_bytes", IGB_STAT(stats.gotc) },
+ { "rx_broadcast", IGB_STAT(stats.bprc) },
+ { "tx_broadcast", IGB_STAT(stats.bptc) },
+ { "rx_multicast", IGB_STAT(stats.mprc) },
+ { "tx_multicast", IGB_STAT(stats.mptc) },
+ { "rx_errors", IGB_STAT(net_stats.rx_errors) },
+ { "tx_errors", IGB_STAT(net_stats.tx_errors) },
+ { "tx_dropped", IGB_STAT(net_stats.tx_dropped) },
+ { "multicast", IGB_STAT(stats.mprc) },
+ { "collisions", IGB_STAT(stats.colc) },
+ { "rx_length_errors", IGB_STAT(net_stats.rx_length_errors) },
+ { "rx_over_errors", IGB_STAT(net_stats.rx_over_errors) },
+ { "rx_crc_errors", IGB_STAT(stats.crcerrs) },
+ { "rx_frame_errors", IGB_STAT(net_stats.rx_frame_errors) },
+ { "rx_no_buffer_count", IGB_STAT(stats.rnbc) },
+ { "rx_missed_errors", IGB_STAT(stats.mpc) },
+ { "tx_aborted_errors", IGB_STAT(stats.ecol) },
+ { "tx_carrier_errors", IGB_STAT(stats.tncrs) },
+ { "tx_fifo_errors", IGB_STAT(net_stats.tx_fifo_errors) },
+ { "tx_heartbeat_errors", IGB_STAT(net_stats.tx_heartbeat_errors) },
+ { "tx_window_errors", IGB_STAT(stats.latecol) },
+ { "tx_abort_late_coll", IGB_STAT(stats.latecol) },
+ { "tx_deferred_ok", IGB_STAT(stats.dc) },
+ { "tx_single_coll_ok", IGB_STAT(stats.scc) },
+ { "tx_multi_coll_ok", IGB_STAT(stats.mcc) },
+ { "tx_timeout_count", IGB_STAT(tx_timeout_count) },
+ { "tx_restart_queue", IGB_STAT(restart_queue) },
+ { "rx_long_length_errors", IGB_STAT(stats.roc) },
+ { "rx_short_length_errors", IGB_STAT(stats.ruc) },
+ { "rx_align_errors", IGB_STAT(stats.algnerrc) },
+ { "tx_tcp_seg_good", IGB_STAT(stats.tsctc) },
+ { "tx_tcp_seg_failed", IGB_STAT(stats.tsctfc) },
+ { "rx_flow_control_xon", IGB_STAT(stats.xonrxc) },
+ { "rx_flow_control_xoff", IGB_STAT(stats.xoffrxc) },
+ { "tx_flow_control_xon", IGB_STAT(stats.xontxc) },
+ { "tx_flow_control_xoff", IGB_STAT(stats.xofftxc) },
+ { "rx_long_byte_count", IGB_STAT(stats.gorc) },
+ { "rx_csum_offload_good", IGB_STAT(hw_csum_good) },
+ { "rx_csum_offload_errors", IGB_STAT(hw_csum_err) },
+ { "rx_header_split", IGB_STAT(rx_hdr_split) },
+ { "alloc_rx_buff_failed", IGB_STAT(alloc_rx_buff_failed) },
+ { "tx_smbus", IGB_STAT(stats.mgptc) },
+ { "rx_smbus", IGB_STAT(stats.mgprc) },
+ { "dropped_smbus", IGB_STAT(stats.mgpdc) },
+};
+
+#define IGB_QUEUE_STATS_LEN \
+ ((((((struct igb_adapter *)netdev->priv)->num_rx_queues > 1) ? \
+ ((struct igb_adapter *)netdev->priv)->num_rx_queues : 0) + \
+ (((((struct igb_adapter *)netdev->priv)->num_tx_queues > 1) ? \
+ ((struct igb_adapter *)netdev->priv)->num_tx_queues : 0))) * \
+ (sizeof(struct igb_queue_stats) / sizeof(u64)))
+#define IGB_GLOBAL_STATS_LEN \
+ sizeof(igb_gstrings_stats) / sizeof(struct igb_stats)
+#define IGB_STATS_LEN (IGB_GLOBAL_STATS_LEN + IGB_QUEUE_STATS_LEN)
+static const char igb_gstrings_test[][ETH_GSTRING_LEN] = {
+ "Register test (offline)", "Eeprom test (offline)",
+ "Interrupt test (offline)", "Loopback test (offline)",
+ "Link test (on/offline)"
+};
+#define IGB_TEST_LEN sizeof(igb_gstrings_test) / ETH_GSTRING_LEN
+
+static int igb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ struct e1000_hw *hw = &adapter->hw;
+
+ if (hw->phy.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->mac.autoneg == 1) {
+ ecmd->advertising |= ADVERTISED_Autoneg;
+ /* the e1000 autoneg seems to match ethtool nicely */
+ ecmd->advertising |= hw->phy.autoneg_advertised;
+ }
+
+ ecmd->port = PORT_TP;
+ ecmd->phy_address = hw->phy.addr;
+ } else {
+ ecmd->supported = (SUPPORTED_1000baseT_Full |
+ SUPPORTED_FIBRE |
+ SUPPORTED_Autoneg);
+
+ ecmd->advertising = (ADVERTISED_1000baseT_Full |
+ ADVERTISED_FIBRE |
+ ADVERTISED_Autoneg);
+
+ ecmd->port = PORT_FIBRE;
+ }
+
+ ecmd->transceiver = XCVR_INTERNAL;
+
+ if (rd32(E1000_STATUS) & E1000_STATUS_LU) {
+
+ adapter->hw.mac.ops.get_speed_and_duplex(hw,
+ &adapter->link_speed,
+ &adapter->link_duplex);
+ ecmd->speed = adapter->link_speed;
+
+ /* unfortunately 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->phy.media_type == e1000_media_type_fiber) ||
+ hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
+ return 0;
+}
+
+static int igb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ struct e1000_hw *hw = &adapter->hw;
+
+ /* When SoL/IDER sessions are active, autoneg/speed/duplex
+ * cannot be changed */
+ if (igb_check_reset_block(hw)) {
+ dev_err(&adapter->pdev->dev, "Cannot change link "
+ "characteristics when SoL/IDER is active.\n");
+ return -EINVAL;
+ }
+
+ while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
+ msleep(1);
+
+ if (ecmd->autoneg == AUTONEG_ENABLE) {
+ hw->mac.autoneg = 1;
+ if (hw->phy.media_type == e1000_media_type_fiber)
+ hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
+ ADVERTISED_FIBRE |
+ ADVERTISED_Autoneg;
+ else
+ hw->phy.autoneg_advertised = ecmd->advertising |
+ ADVERTISED_TP |
+ ADVERTISED_Autoneg;
+ ecmd->advertising = hw->phy.autoneg_advertised;
+ } else
+ if (igb_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) {
+ clear_bit(__IGB_RESETTING, &adapter->state);
+ return -EINVAL;
+ }
+
+ /* reset the link */
+
+ if (netif_running(adapter->netdev)) {
+ igb_down(adapter);
+ igb_up(adapter);
+ } else
+ igb_reset(adapter);
+
+ clear_bit(__IGB_RESETTING, &adapter->state);
+ return 0;
+}
+
+static void igb_get_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *pause)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ struct e1000_hw *hw = &adapter->hw;
+
+ pause->autoneg =
+ (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
+
+ if (hw->fc.type == e1000_fc_rx_pause)
+ pause->rx_pause = 1;
+ else if (hw->fc.type == e1000_fc_tx_pause)
+ pause->tx_pause = 1;
+ else if (hw->fc.type == e1000_fc_full) {
+ pause->rx_pause = 1;
+ pause->tx_pause = 1;
+ }
+}
+
+static int igb_set_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *pause)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ struct e1000_hw *hw = &adapter->hw;
+ int retval = 0;
+
+ adapter->fc_autoneg = pause->autoneg;
+
+ while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
+ msleep(1);
+
+ if (pause->rx_pause && pause->tx_pause)
+ hw->fc.type = e1000_fc_full;
+ else if (pause->rx_pause && !pause->tx_pause)
+ hw->fc.type = e1000_fc_rx_pause;
+ else if (!pause->rx_pause && pause->tx_pause)
+ hw->fc.type = e1000_fc_tx_pause;
+ else if (!pause->rx_pause && !pause->tx_pause)
+ hw->fc.type = e1000_fc_none;
+
+ hw->fc.original_type = hw->fc.type;
+
+ if (adapter->fc_autoneg == AUTONEG_ENABLE) {
+ if (netif_running(adapter->netdev)) {
+ igb_down(adapter);
+ igb_up(adapter);
+ } else
+ igb_reset(adapter);
+ } else
+ retval = ((hw->phy.media_type == e1000_media_type_fiber) ?
+ igb_setup_link(hw) : igb_force_mac_fc(hw));
+
+ clear_bit(__IGB_RESETTING, &adapter->state);
+ return retval;
+}
+
+static u32 igb_get_rx_csum(struct net_device *netdev)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ return adapter->rx_csum;
+}
+
+static int igb_set_rx_csum(struct net_device *netdev, u32 data)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ adapter->rx_csum = data;
+
+ return 0;
+}
+
+static u32 igb_get_tx_csum(struct net_device *netdev)
+{
+ return (netdev->features & NETIF_F_HW_CSUM) != 0;
+}
+
+static int igb_set_tx_csum(struct net_device *netdev, u32 data)
+{
+ if (data)
+ netdev->features |= NETIF_F_HW_CSUM;
+ else
+ netdev->features &= ~NETIF_F_HW_CSUM;
+
+ return 0;
+}
+
+static int igb_set_tso(struct net_device *netdev, u32 data)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+
+ if (data)
+ netdev->features |= NETIF_F_TSO;
+ else
+ netdev->features &= ~NETIF_F_TSO;
+
+ if (data)
+ netdev->features |= NETIF_F_TSO6;
+ else
+ netdev->features &= ~NETIF_F_TSO6;
+
+ dev_info(&adapter->pdev->dev, "TSO is %s\n",
+ data ? "Enabled" : "Disabled");
+ return 0;
+}
+
+static u32 igb_get_msglevel(struct net_device *netdev)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ return adapter->msg_enable;
+}
+
+static void igb_set_msglevel(struct net_device *netdev, u32 data)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ adapter->msg_enable = data;
+}
+
+static int igb_get_regs_len(struct net_device *netdev)
+{
+#define IGB_REGS_LEN 551
+ return IGB_REGS_LEN * sizeof(u32);
+}
+
+static void igb_get_regs(struct net_device *netdev,
+ struct ethtool_regs *regs, void *p)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ struct e1000_hw *hw = &adapter->hw;
+ u32 *regs_buff = p;
+ u8 i;
+
+ memset(p, 0, IGB_REGS_LEN * sizeof(u32));
+
+ regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
+
+ /* General Registers */
+ regs_buff[0] = rd32(E1000_CTRL);
+ regs_buff[1] = rd32(E1000_STATUS);
+ regs_buff[2] = rd32(E1000_CTRL_EXT);
+ regs_buff[3] = rd32(E1000_MDIC);
+ regs_buff[4] = rd32(E1000_SCTL);
+ regs_buff[5] = rd32(E1000_CONNSW);
+ regs_buff[6] = rd32(E1000_VET);
+ regs_buff[7] = rd32(E1000_LEDCTL);
+ regs_buff[8] = rd32(E1000_PBA);
+ regs_buff[9] = rd32(E1000_PBS);
+ regs_buff[10] = rd32(E1000_FRTIMER);
+ regs_buff[11] = rd32(E1000_TCPTIMER);
+
+ /* NVM Register */
+ regs_buff[12] = rd32(E1000_EECD);
+
+ /* Interrupt */
+ regs_buff[13] = rd32(E1000_EICR);
+ regs_buff[14] = rd32(E1000_EICS);
+ regs_buff[15] = rd32(E1000_EIMS);
+ regs_buff[16] = rd32(E1000_EIMC);
+ regs_buff[17] = rd32(E1000_EIAC);
+ regs_buff[18] = rd32(E1000_EIAM);
+ regs_buff[19] = rd32(E1000_ICR);
+ regs_buff[20] = rd32(E1000_ICS);
+ regs_buff[21] = rd32(E1000_IMS);
+ regs_buff[22] = rd32(E1000_IMC);
+ regs_buff[23] = rd32(E1000_IAC);
+ regs_buff[24] = rd32(E1000_IAM);
+ regs_buff[25] = rd32(E1000_IMIRVP);
+
+ /* Flow Control */
+ regs_buff[26] = rd32(E1000_FCAL);
+ regs_buff[27] = rd32(E1000_FCAH);
+ regs_buff[28] = rd32(E1000_FCTTV);
+ regs_buff[29] = rd32(E1000_FCRTL);
+ regs_buff[30] = rd32(E1000_FCRTH);
+ regs_buff[31] = rd32(E1000_FCRTV);
+
+ /* Receive */
+ regs_buff[32] = rd32(E1000_RCTL);
+ regs_buff[33] = rd32(E1000_RXCSUM);
+ regs_buff[34] = rd32(E1000_RLPML);
+ regs_buff[35] = rd32(E1000_RFCTL);
+ regs_buff[36] = rd32(E1000_MRQC);
+ regs_buff[37] = rd32(E1000_VMD_CTL);
+
+ /* Transmit */
+ regs_buff[38] = rd32(E1000_TCTL);
+ regs_buff[39] = rd32(E1000_TCTL_EXT);
+ regs_buff[40] = rd32(E1000_TIPG);
+ regs_buff[41] = rd32(E1000_DTXCTL);
+
+ /* Wake Up */
+ regs_buff[42] = rd32(E1000_WUC);
+ regs_buff[43] = rd32(E1000_WUFC);
+ regs_buff[44] = rd32(E1000_WUS);
+ regs_buff[45] = rd32(E1000_IPAV);
+ regs_buff[46] = rd32(E1000_WUPL);
+
+ /* MAC */
+ regs_buff[47] = rd32(E1000_PCS_CFG0);
+ regs_buff[48] = rd32(E1000_PCS_LCTL);
+ regs_buff[49] = rd32(E1000_PCS_LSTAT);
+ regs_buff[50] = rd32(E1000_PCS_ANADV);
+ regs_buff[51] = rd32(E1000_PCS_LPAB);
+ regs_buff[52] = rd32(E1000_PCS_NPTX);
+ regs_buff[53] = rd32(E1000_PCS_LPABNP);
+
+ /* Statistics */
+ regs_buff[54] = adapter->stats.crcerrs;
+ regs_buff[55] = adapter->stats.algnerrc;
+ regs_buff[56] = adapter->stats.symerrs;
+ regs_buff[57] = adapter->stats.rxerrc;
+ regs_buff[58] = adapter->stats.mpc;
+ regs_buff[59] = adapter->stats.scc;
+ regs_buff[60] = adapter->stats.ecol;
+ regs_buff[61] = adapter->stats.mcc;
+ regs_buff[62] = adapter->stats.latecol;
+ regs_buff[63] = adapter->stats.colc;
+ regs_buff[64] = adapter->stats.dc;
+ regs_buff[65] = adapter->stats.tncrs;
+ regs_buff[66] = adapter->stats.sec;
+ regs_buff[67] = adapter->stats.htdpmc;
+ regs_buff[68] = adapter->stats.rlec;
+ regs_buff[69] = adapter->stats.xonrxc;
+ regs_buff[70] = adapter->stats.xontxc;
+ regs_buff[71] = adapter->stats.xoffrxc;
+ regs_buff[72] = adapter->stats.xofftxc;
+ regs_buff[73] = adapter->stats.fcruc;
+ regs_buff[74] = adapter->stats.prc64;
+ regs_buff[75] = adapter->stats.prc127;
+ regs_buff[76] = adapter->stats.prc255;
+ regs_buff[77] = adapter->stats.prc511;
+ regs_buff[78] = adapter->stats.prc1023;
+ regs_buff[79] = adapter->stats.prc1522;
+ regs_buff[80] = adapter->stats.gprc;
+ regs_buff[81] = adapter->stats.bprc;
+ regs_buff[82] = adapter->stats.mprc;
+ regs_buff[83] = adapter->stats.gptc;
+ regs_buff[84] = adapter->stats.gorc;
+ regs_buff[86] = adapter->stats.gotc;
+ regs_buff[88] = adapter->stats.rnbc;
+ regs_buff[89] = adapter->stats.ruc;
+ regs_buff[90] = adapter->stats.rfc;
+ regs_buff[91] = adapter->stats.roc;
+ regs_buff[92] = adapter->stats.rjc;
+ regs_buff[93] = adapter->stats.mgprc;
+ regs_buff[94] = adapter->stats.mgpdc;
+ regs_buff[95] = adapter->stats.mgptc;
+ regs_buff[96] = adapter->stats.tor;
+ regs_buff[98] = adapter->stats.tot;
+ regs_buff[100] = adapter->stats.tpr;
+ regs_buff[101] = adapter->stats.tpt;
+ regs_buff[102] = adapter->stats.ptc64;
+ regs_buff[103] = adapter->stats.ptc127;
+ regs_buff[104] = adapter->stats.ptc255;
+ regs_buff[105] = adapter->stats.ptc511;
+ regs_buff[106] = adapter->stats.ptc1023;
+ regs_buff[107] = adapter->stats.ptc1522;
+ regs_buff[108] = adapter->stats.mptc;
+ regs_buff[109] = adapter->stats.bptc;
+ regs_buff[110] = adapter->stats.tsctc;
+ regs_buff[111] = adapter->stats.iac;
+ regs_buff[112] = adapter->stats.rpthc;
+ regs_buff[113] = adapter->stats.hgptc;
+ regs_buff[114] = adapter->stats.hgorc;
+ regs_buff[116] = adapter->stats.hgotc;
+ regs_buff[118] = adapter->stats.lenerrs;
+ regs_buff[119] = adapter->stats.scvpc;
+ regs_buff[120] = adapter->stats.hrmpc;
+
+ /* These should probably be added to e1000_regs.h instead */
+ #define E1000_PSRTYPE_REG(_i) (0x05480 + ((_i) * 4))
+ #define E1000_RAL(_i) (0x05400 + ((_i) * 8))
+ #define E1000_RAH(_i) (0x05404 + ((_i) * 8))
+ #define E1000_IP4AT_REG(_i) (0x05840 + ((_i) * 8))
+ #define E1000_IP6AT_REG(_i) (0x05880 + ((_i) * 4))
+ #define E1000_WUPM_REG(_i) (0x05A00 + ((_i) * 4))
+ #define E1000_FFMT_REG(_i) (0x09000 + ((_i) * 8))
+ #define E1000_FFVT_REG(_i) (0x09800 + ((_i) * 8))
+ #define E1000_FFLT_REG(_i) (0x05F00 + ((_i) * 8))
+
+ for (i = 0; i < 4; i++)
+ regs_buff[121 + i] = rd32(E1000_SRRCTL(i));
+ for (i = 0; i < 4; i++)
+ regs_buff[125 + i] = rd32(E1000_PSRTYPE_REG(i));
+ for (i = 0; i < 4; i++)
+ regs_buff[129 + i] = rd32(E1000_RDBAL(i));
+ for (i = 0; i < 4; i++)
+ regs_buff[133 + i] = rd32(E1000_RDBAH(i));
+ for (i = 0; i < 4; i++)
+ regs_buff[137 + i] = rd32(E1000_RDLEN(i));
+ for (i = 0; i < 4; i++)
+ regs_buff[141 + i] = rd32(E1000_RDH(i));
+ for (i = 0; i < 4; i++)
+ regs_buff[145 + i] = rd32(E1000_RDT(i));
+ for (i = 0; i < 4; i++)
+ regs_buff[149 + i] = rd32(E1000_RXDCTL(i));
+
+ for (i = 0; i < 10; i++)
+ regs_buff[153 + i] = rd32(E1000_EITR(i));
+ for (i = 0; i < 8; i++)
+ regs_buff[163 + i] = rd32(E1000_IMIR(i));
+ for (i = 0; i < 8; i++)
+ regs_buff[171 + i] = rd32(E1000_IMIREXT(i));
+ for (i = 0; i < 16; i++)
+ regs_buff[179 + i] = rd32(E1000_RAL(i));
+ for (i = 0; i < 16; i++)
+ regs_buff[195 + i] = rd32(E1000_RAH(i));
+
+ for (i = 0; i < 4; i++)
+ regs_buff[211 + i] = rd32(E1000_TDBAL(i));
+ for (i = 0; i < 4; i++)
+ regs_buff[215 + i] = rd32(E1000_TDBAH(i));
+ for (i = 0; i < 4; i++)
+ regs_buff[219 + i] = rd32(E1000_TDLEN(i));
+ for (i = 0; i < 4; i++)
+ regs_buff[223 + i] = rd32(E1000_TDH(i));
+ for (i = 0; i < 4; i++)
+ regs_buff[227 + i] = rd32(E1000_TDT(i));
+ for (i = 0; i < 4; i++)
+ regs_buff[231 + i] = rd32(E1000_TXDCTL(i));
+ for (i = 0; i < 4; i++)
+ regs_buff[235 + i] = rd32(E1000_TDWBAL(i));
+ for (i = 0; i < 4; i++)
+ regs_buff[239 + i] = rd32(E1000_TDWBAH(i));
+ for (i = 0; i < 4; i++)
+ regs_buff[243 + i] = rd32(E1000_DCA_TXCTRL(i));
+
+ for (i = 0; i < 4; i++)
+ regs_buff[247 + i] = rd32(E1000_IP4AT_REG(i));
+ for (i = 0; i < 4; i++)
+ regs_buff[251 + i] = rd32(E1000_IP6AT_REG(i));
+ for (i = 0; i < 32; i++)
+ regs_buff[255 + i] = rd32(E1000_WUPM_REG(i));
+ for (i = 0; i < 128; i++)
+ regs_buff[287 + i] = rd32(E1000_FFMT_REG(i));
+ for (i = 0; i < 128; i++)
+ regs_buff[415 + i] = rd32(E1000_FFVT_REG(i));
+ for (i = 0; i < 4; i++)
+ regs_buff[543 + i] = rd32(E1000_FFLT_REG(i));
+
+ regs_buff[547] = rd32(E1000_TDFH);
+ regs_buff[548] = rd32(E1000_TDFT);
+ regs_buff[549] = rd32(E1000_TDFHS);
+ regs_buff[550] = rd32(E1000_TDFPC);
+
+}
+
+static int igb_get_eeprom_len(struct net_device *netdev)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ return adapter->hw.nvm.word_size * 2;
+}
+
+static int igb_get_eeprom(struct net_device *netdev,
+ struct ethtool_eeprom *eeprom, u8 *bytes)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ struct e1000_hw *hw = &adapter->hw;
+ u16 *eeprom_buff;
+ int first_word, last_word;
+ int ret_val = 0;
+ u16 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(u16) *
+ (last_word - first_word + 1), GFP_KERNEL);
+ if (!eeprom_buff)
+ return -ENOMEM;
+
+ if (hw->nvm.type == e1000_nvm_eeprom_spi)
+ ret_val = hw->nvm.ops.read_nvm(hw, first_word,
+ last_word - first_word + 1,
+ eeprom_buff);
+ else {
+ for (i = 0; i < last_word - first_word + 1; i++) {
+ ret_val = hw->nvm.ops.read_nvm(hw, first_word + i, 1,
+ &eeprom_buff[i]);
+ if (ret_val)
+ 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, (u8 *)eeprom_buff + (eeprom->offset & 1),
+ eeprom->len);
+ kfree(eeprom_buff);
+
+ return ret_val;
+}
+
+static int igb_set_eeprom(struct net_device *netdev,
+ struct ethtool_eeprom *eeprom, u8 *bytes)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ struct e1000_hw *hw = &adapter->hw;
+ u16 *eeprom_buff;
+ void *ptr;
+ int max_len, first_word, last_word, ret_val = 0;
+ u16 i;
+
+ if (eeprom->len == 0)
+ return -EOPNOTSUPP;
+
+ if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
+ return -EFAULT;
+
+ max_len = hw->nvm.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 = hw->nvm.ops.read_nvm(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 = hw->nvm.ops.read_nvm(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 = hw->nvm.ops.write_nvm(hw, first_word,
+ last_word - first_word + 1, eeprom_buff);
+
+ /* Update the checksum over the first part of the EEPROM if needed
+ * and flush shadow RAM for 82573 controllers */
+ if ((ret_val == 0) && ((first_word <= NVM_CHECKSUM_REG)))
+ igb_update_nvm_checksum(hw);
+
+ kfree(eeprom_buff);
+ return ret_val;
+}
+
+static void igb_get_drvinfo(struct net_device *netdev,
+ struct ethtool_drvinfo *drvinfo)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ char firmware_version[32];
+ u16 eeprom_data;
+
+ strncpy(drvinfo->driver, igb_driver_name, 32);
+ strncpy(drvinfo->version, igb_driver_version, 32);
+
+ /* EEPROM image version # is reported as firmware version # for
+ * 82575 controllers */
+ adapter->hw.nvm.ops.read_nvm(&adapter->hw, 5, 1, &eeprom_data);
+ sprintf(firmware_version, "%d.%d-%d",
+ (eeprom_data & 0xF000) >> 12,
+ (eeprom_data & 0x0FF0) >> 4,
+ eeprom_data & 0x000F);
+
+ strncpy(drvinfo->fw_version, firmware_version, 32);
+ strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
+ drvinfo->n_stats = IGB_STATS_LEN;
+ drvinfo->testinfo_len = IGB_TEST_LEN;
+ drvinfo->regdump_len = igb_get_regs_len(netdev);
+ drvinfo->eedump_len = igb_get_eeprom_len(netdev);
+}
+
+static void igb_get_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ struct igb_ring *tx_ring = adapter->tx_ring;
+ struct igb_ring *rx_ring = adapter->rx_ring;
+
+ ring->rx_max_pending = IGB_MAX_RXD;
+ ring->tx_max_pending = IGB_MAX_TXD;
+ ring->rx_mini_max_pending = 0;
+ ring->rx_jumbo_max_pending = 0;
+ ring->rx_pending = rx_ring->count;
+ ring->tx_pending = tx_ring->count;
+ ring->rx_mini_pending = 0;
+ ring->rx_jumbo_pending = 0;
+}
+
+static int igb_set_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ struct igb_buffer *old_buf;
+ struct igb_buffer *old_rx_buf;
+ void *old_desc;
+ int i, err;
+ u32 new_rx_count, new_tx_count, old_size;
+ dma_addr_t old_dma;
+
+ if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
+ return -EINVAL;
+
+ new_rx_count = max(ring->rx_pending, (u32)IGB_MIN_RXD);
+ new_rx_count = min(new_rx_count, (u32)IGB_MAX_RXD);
+ new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
+
+ new_tx_count = max(ring->tx_pending, (u32)IGB_MIN_TXD);
+ new_tx_count = min(new_tx_count, (u32)IGB_MAX_TXD);
+ new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
+
+ if ((new_tx_count == adapter->tx_ring->count) &&
+ (new_rx_count == adapter->rx_ring->count)) {
+ /* nothing to do */
+ return 0;
+ }
+
+ while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
+ msleep(1);
+
+ if (netif_running(adapter->netdev))
+ igb_down(adapter);
+
+ /*
+ * We can't just free everything and then setup again,
+ * because the ISRs in MSI-X mode get passed pointers
+ * to the tx and rx ring structs.
+ */
+ if (new_tx_count != adapter->tx_ring->count) {
+ for (i = 0; i < adapter->num_tx_queues; i++) {
+ /* Save existing descriptor ring */
+ old_buf = adapter->tx_ring[i].buffer_info;
+ old_desc = adapter->tx_ring[i].desc;
+ old_size = adapter->tx_ring[i].size;
+ old_dma = adapter->tx_ring[i].dma;
+ /* Try to allocate a new one */
+ adapter->tx_ring[i].buffer_info = NULL;
+ adapter->tx_ring[i].desc = NULL;
+ adapter->tx_ring[i].count = new_tx_count;
+ err = igb_setup_tx_resources(adapter,
+ &adapter->tx_ring[i]);
+ if (err) {
+ /* Restore the old one so at least
+ the adapter still works, even if
+ we failed the request */
+ adapter->tx_ring[i].buffer_info = old_buf;
+ adapter->tx_ring[i].desc = old_desc;
+ adapter->tx_ring[i].size = old_size;
+ adapter->tx_ring[i].dma = old_dma;
+ goto err_setup;
+ }
+ /* Free the old buffer manually */
+ vfree(old_buf);
+ pci_free_consistent(adapter->pdev, old_size,
+ old_desc, old_dma);
+ }
+ }
+
+ if (new_rx_count != adapter->rx_ring->count) {
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+
+ old_rx_buf = adapter->rx_ring[i].buffer_info;
+ old_desc = adapter->rx_ring[i].desc;
+ old_size = adapter->rx_ring[i].size;
+ old_dma = adapter->rx_ring[i].dma;
+
+ adapter->rx_ring[i].buffer_info = NULL;
+ adapter->rx_ring[i].desc = NULL;
+ adapter->rx_ring[i].dma = 0;
+ adapter->rx_ring[i].count = new_rx_count;
+ err = igb_setup_rx_resources(adapter,
+ &adapter->rx_ring[i]);
+ if (err) {
+ adapter->rx_ring[i].buffer_info = old_rx_buf;
+ adapter->rx_ring[i].desc = old_desc;
+ adapter->rx_ring[i].size = old_size;
+ adapter->rx_ring[i].dma = old_dma;
+ goto err_setup;
+ }
+
+ vfree(old_rx_buf);
+ pci_free_consistent(adapter->pdev, old_size, old_desc,
+ old_dma);
+ }
+ }
+
+ err = 0;
+err_setup:
+ if (netif_running(adapter->netdev))
+ igb_up(adapter);
+
+ clear_bit(__IGB_RESETTING, &adapter->state);
+ return err;
+}
+
+/* ethtool register test data */
+struct igb_reg_test {
+ u16 reg;
+ u8 array_len;
+ u8 test_type;
+ u32 mask;
+ u32 write;
+};
+
+/* In the hardware, registers are laid out either singly, in arrays
+ * spaced 0x100 bytes apart, or in contiguous tables. We assume
+ * most tests take place on arrays or single registers (handled
+ * as a single-element array) and special-case the tables.
+ * Table tests are always pattern tests.
+ *
+ * We also make provision for some required setup steps by specifying
+ * registers to be written without any read-back testing.
+ */
+
+#define PATTERN_TEST 1
+#define SET_READ_TEST 2
+#define WRITE_NO_TEST 3
+#define TABLE32_TEST 4
+#define TABLE64_TEST_LO 5
+#define TABLE64_TEST_HI 6
+
+/* default register test */
+static struct igb_reg_test reg_test_82575[] = {
+ { E1000_FCAL, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { E1000_FCAH, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+ { E1000_FCT, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+ { E1000_VET, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { E1000_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+ { E1000_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { E1000_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
+ /* Enable all four RX queues before testing. */
+ { E1000_RXDCTL(0), 4, WRITE_NO_TEST, 0, E1000_RXDCTL_QUEUE_ENABLE },
+ /* RDH is read-only for 82575, only test RDT. */
+ { E1000_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+ { E1000_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
+ { E1000_FCRTH, 1, PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
+ { E1000_FCTTV, 1, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+ { E1000_TIPG, 1, PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
+ { E1000_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+ { E1000_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { E1000_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
+ { E1000_RCTL, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+ { E1000_RCTL, 1, SET_READ_TEST, 0x04CFB3FE, 0x003FFFFB },
+ { E1000_RCTL, 1, SET_READ_TEST, 0x04CFB3FE, 0xFFFFFFFF },
+ { E1000_TCTL, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+ { E1000_TXCW, 1, PATTERN_TEST, 0xC000FFFF, 0x0000FFFF },
+ { E1000_RA, 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
+ { E1000_RA, 16, TABLE64_TEST_HI, 0x800FFFFF, 0xFFFFFFFF },
+ { E1000_MTA, 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { 0, 0, 0, 0 }
+};
+
+static bool reg_pattern_test(struct igb_adapter *adapter, u64 *data,
+ int reg, u32 mask, u32 write)
+{
+ u32 pat, val;
+ u32 _test[] =
+ {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
+ for (pat = 0; pat < ARRAY_SIZE(_test); pat++) {
+ writel((_test[pat] & write), (adapter->hw.hw_addr + reg));
+ val = readl(adapter->hw.hw_addr + reg);
+ if (val != (_test[pat] & write & mask)) {
+ dev_err(&adapter->pdev->dev, "pattern test reg %04X "
+ "failed: got 0x%08X expected 0x%08X\n",
+ reg, val, (_test[pat] & write & mask));
+ *data = reg;
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static bool reg_set_and_check(struct igb_adapter *adapter, u64 *data,
+ int reg, u32 mask, u32 write)
+{
+ u32 val;
+ writel((write & mask), (adapter->hw.hw_addr + reg));
+ val = readl(adapter->hw.hw_addr + reg);
+ if ((write & mask) != (val & mask)) {
+ dev_err(&adapter->pdev->dev, "set/check reg %04X test failed:"
+ " got 0x%08X expected 0x%08X\n", reg,
+ (val & mask), (write & mask));
+ *data = reg;
+ return 1;
+ }
+ return 0;
+}
+
+#define REG_PATTERN_TEST(reg, mask, write) \
+ do { \
+ if (reg_pattern_test(adapter, data, reg, mask, write)) \
+ return 1; \
+ } while (0)
+
+#define REG_SET_AND_CHECK(reg, mask, write) \
+ do { \
+ if (reg_set_and_check(adapter, data, reg, mask, write)) \
+ return 1; \
+ } while (0)
+
+static int igb_reg_test(struct igb_adapter *adapter, u64 *data)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ struct igb_reg_test *test;
+ u32 value, before, after;
+ u32 i, toggle;
+
+ toggle = 0x7FFFF3FF;
+ test = reg_test_82575;
+
+ /* Because the status register is such a special case,
+ * we handle it separately from the rest of the register
+ * tests. Some bits are read-only, some toggle, and some
+ * are writable on newer MACs.
+ */
+ before = rd32(E1000_STATUS);
+ value = (rd32(E1000_STATUS) & toggle);
+ wr32(E1000_STATUS, toggle);
+ after = rd32(E1000_STATUS) & toggle;
+ if (value != after) {
+ dev_err(&adapter->pdev->dev, "failed STATUS register test "
+ "got: 0x%08X expected: 0x%08X\n", after, value);
+ *data = 1;
+ return 1;
+ }
+ /* restore previous status */
+ wr32(E1000_STATUS, before);
+
+ /* Perform the remainder of the register test, looping through
+ * the test table until we either fail or reach the null entry.
+ */
+ while (test->reg) {
+ for (i = 0; i < test->array_len; i++) {
+ switch (test->test_type) {
+ case PATTERN_TEST:
+ REG_PATTERN_TEST(test->reg + (i * 0x100),
+ test->mask,
+ test->write);
+ break;
+ case SET_READ_TEST:
+ REG_SET_AND_CHECK(test->reg + (i * 0x100),
+ test->mask,
+ test->write);
+ break;
+ case WRITE_NO_TEST:
+ writel(test->write,
+ (adapter->hw.hw_addr + test->reg)
+ + (i * 0x100));
+ break;
+ case TABLE32_TEST:
+ REG_PATTERN_TEST(test->reg + (i * 4),
+ test->mask,
+ test->write);
+ break;
+ case TABLE64_TEST_LO:
+ REG_PATTERN_TEST(test->reg + (i * 8),
+ test->mask,
+ test->write);
+ break;
+ case TABLE64_TEST_HI:
+ REG_PATTERN_TEST((test->reg + 4) + (i * 8),
+ test->mask,
+ test->write);
+ break;
+ }
+ }
+ test++;
+ }
+
+ *data = 0;
+ return 0;
+}
+
+static int igb_eeprom_test(struct igb_adapter *adapter, u64 *data)
+{
+ u16 temp;
+ u16 checksum = 0;
+ u16 i;
+
+ *data = 0;
+ /* Read and add up the contents of the EEPROM */
+ for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
+ if ((adapter->hw.nvm.ops.read_nvm(&adapter->hw, i, 1, &temp))
+ < 0) {
+ *data = 1;
+ break;
+ }
+ checksum += temp;
+ }
+
+ /* If Checksum is not Correct return error else test passed */
+ if ((checksum != (u16) NVM_SUM) && !(*data))
+ *data = 2;
+
+ return *data;
+}
+
+static irqreturn_t igb_test_intr(int irq, void *data)
+{
+ struct net_device *netdev = (struct net_device *) data;
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ struct e1000_hw *hw = &adapter->hw;
+
+ adapter->test_icr |= rd32(E1000_ICR);
+
+ return IRQ_HANDLED;
+}
+
+static int igb_intr_test(struct igb_adapter *adapter, u64 *data)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ struct net_device *netdev = adapter->netdev;
+ u32 mask, i = 0, shared_int = true;
+ u32 irq = adapter->pdev->irq;
+
+ *data = 0;
+
+ /* Hook up test interrupt handler just for this test */
+ if (adapter->msix_entries) {
+ /* NOTE: we don't test MSI-X interrupts here, yet */
+ return 0;
+ } else if (adapter->msi_enabled) {
+ shared_int = false;
+ if (request_irq(irq, &igb_test_intr, 0, netdev->name, netdev)) {
+ *data = 1;
+ return -1;
+ }
+ } else if (!request_irq(irq, &igb_test_intr, IRQF_PROBE_SHARED,
+ netdev->name, netdev)) {
+ shared_int = false;
+ } else if (request_irq(irq, &igb_test_intr, IRQF_SHARED,
+ netdev->name, netdev)) {
+ *data = 1;
+ return -1;
+ }
+ dev_info(&adapter->pdev->dev, "testing %s interrupt\n",
+ (shared_int ? "shared" : "unshared"));
+
+ /* Disable all the interrupts */
+ wr32(E1000_IMC, 0xFFFFFFFF);
+ msleep(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;
+ wr32(E1000_IMC, ~mask & 0x00007FFF);
+ wr32(E1000_ICS, ~mask & 0x00007FFF);
+ msleep(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;
+ wr32(E1000_IMS, mask);
+ wr32(E1000_ICS, mask);
+ msleep(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;
+ wr32(E1000_IMC, ~mask & 0x00007FFF);
+ wr32(E1000_ICS, ~mask & 0x00007FFF);
+ msleep(10);
+
+ if (adapter->test_icr) {
+ *data = 5;
+ break;
+ }
+ }
+ }
+
+ /* Disable all the interrupts */
+ wr32(E1000_IMC, 0xFFFFFFFF);
+ msleep(10);
+
+ /* Unhook test interrupt handler */
+ free_irq(irq, netdev);
+
+ return *data;
+}
+
+static void igb_free_desc_rings(struct igb_adapter *adapter)
+{
+ struct igb_ring *tx_ring = &adapter->test_tx_ring;
+ struct igb_ring *rx_ring = &adapter->test_rx_ring;
+ struct pci_dev *pdev = adapter->pdev;
+ int i;
+
+ if (tx_ring->desc && tx_ring->buffer_info) {
+ for (i = 0; i < tx_ring->count; i++) {
+ struct igb_buffer *buf = &(tx_ring->buffer_info[i]);
+ if (buf->dma)
+ pci_unmap_single(pdev, buf->dma, buf->length,
+ PCI_DMA_TODEVICE);
+ if (buf->skb)
+ dev_kfree_skb(buf->skb);
+ }
+ }
+
+ if (rx_ring->desc && rx_ring->buffer_info) {
+ for (i = 0; i < rx_ring->count; i++) {
+ struct igb_buffer *buf = &(rx_ring->buffer_info[i]);
+ if (buf->dma)
+ pci_unmap_single(pdev, buf->dma,
+ IGB_RXBUFFER_2048,
+ PCI_DMA_FROMDEVICE);
+ if (buf->skb)
+ dev_kfree_skb(buf->skb);
+ }
+ }
+
+ if (tx_ring->desc) {
+ pci_free_consistent(pdev, tx_ring->size, tx_ring->desc,
+ tx_ring->dma);
+ tx_ring->desc = NULL;
+ }
+ if (rx_ring->desc) {
+ pci_free_consistent(pdev, rx_ring->size, rx_ring->desc,
+ rx_ring->dma);
+ rx_ring->desc = NULL;
+ }
+
+ kfree(tx_ring->buffer_info);
+ tx_ring->buffer_info = NULL;
+ kfree(rx_ring->buffer_info);
+ rx_ring->buffer_info = NULL;
+
+ return;
+}
+
+static int igb_setup_desc_rings(struct igb_adapter *adapter)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ struct igb_ring *tx_ring = &adapter->test_tx_ring;
+ struct igb_ring *rx_ring = &adapter->test_rx_ring;
+ struct pci_dev *pdev = adapter->pdev;
+ u32 rctl;
+ int i, ret_val;
+
+ /* Setup Tx descriptor ring and Tx buffers */
+
+ if (!tx_ring->count)
+ tx_ring->count = IGB_DEFAULT_TXD;
+
+ tx_ring->buffer_info = kcalloc(tx_ring->count,
+ sizeof(struct igb_buffer),
+ GFP_KERNEL);
+ if (!tx_ring->buffer_info) {
+ ret_val = 1;
+ goto err_nomem;
+ }
+
+ tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
+ tx_ring->size = ALIGN(tx_ring->size, 4096);
+ tx_ring->desc = pci_alloc_consistent(pdev, tx_ring->size,
+ &tx_ring->dma);
+ if (!tx_ring->desc) {
+ ret_val = 2;
+ goto err_nomem;
+ }
+ tx_ring->next_to_use = tx_ring->next_to_clean = 0;
+
+ wr32(E1000_TDBAL(0),
+ ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
+ wr32(E1000_TDBAH(0), ((u64) tx_ring->dma >> 32));
+ wr32(E1000_TDLEN(0),
+ tx_ring->count * sizeof(struct e1000_tx_desc));
+ wr32(E1000_TDH(0), 0);
+ wr32(E1000_TDT(0), 0);
+ wr32(E1000_TCTL,
+ E1000_TCTL_PSP | E1000_TCTL_EN |
+ E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
+ E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
+
+ for (i = 0; i < tx_ring->count; i++) {
+ struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
+ struct sk_buff *skb;
+ unsigned int size = 1024;
+
+ skb = alloc_skb(size, GFP_KERNEL);
+ if (!skb) {
+ ret_val = 3;
+ goto err_nomem;
+ }
+ skb_put(skb, size);
+ tx_ring->buffer_info[i].skb = skb;
+ tx_ring->buffer_info[i].length = skb->len;
+ tx_ring->buffer_info[i].dma =
+ pci_map_single(pdev, skb->data, skb->len,
+ PCI_DMA_TODEVICE);
+ tx_desc->buffer_addr = cpu_to_le64(tx_ring->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_RS);
+ tx_desc->upper.data = 0;
+ }
+
+ /* Setup Rx descriptor ring and Rx buffers */
+
+ if (!rx_ring->count)
+ rx_ring->count = IGB_DEFAULT_RXD;
+
+ rx_ring->buffer_info = kcalloc(rx_ring->count,
+ sizeof(struct igb_buffer),
+ GFP_KERNEL);
+ if (!rx_ring->buffer_info) {
+ ret_val = 4;
+ goto err_nomem;
+ }
+
+ rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc);
+ rx_ring->desc = pci_alloc_consistent(pdev, rx_ring->size,
+ &rx_ring->dma);
+ if (!rx_ring->desc) {
+ ret_val = 5;
+ goto err_nomem;
+ }
+ rx_ring->next_to_use = rx_ring->next_to_clean = 0;
+
+ rctl = rd32(E1000_RCTL);
+ wr32(E1000_RCTL, rctl & ~E1000_RCTL_EN);
+ wr32(E1000_RDBAL(0),
+ ((u64) rx_ring->dma & 0xFFFFFFFF));
+ wr32(E1000_RDBAH(0),
+ ((u64) rx_ring->dma >> 32));
+ wr32(E1000_RDLEN(0), rx_ring->size);
+ wr32(E1000_RDH(0), 0);
+ wr32(E1000_RDT(0), 0);
+ rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
+ E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
+ (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
+ wr32(E1000_RCTL, rctl);
+ wr32(E1000_SRRCTL(0), 0);
+
+ for (i = 0; i < rx_ring->count; i++) {
+ struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
+ struct sk_buff *skb;
+
+ skb = alloc_skb(IGB_RXBUFFER_2048 + NET_IP_ALIGN,
+ GFP_KERNEL);
+ if (!skb) {
+ ret_val = 6;
+ goto err_nomem;
+ }
+ skb_reserve(skb, NET_IP_ALIGN);
+ rx_ring->buffer_info[i].skb = skb;
+ rx_ring->buffer_info[i].dma =
+ pci_map_single(pdev, skb->data, IGB_RXBUFFER_2048,
+ PCI_DMA_FROMDEVICE);
+ rx_desc->buffer_addr = cpu_to_le64(rx_ring->buffer_info[i].dma);
+ memset(skb->data, 0x00, skb->len);
+ }
+
+ return 0;
+
+err_nomem:
+ igb_free_desc_rings(adapter);
+ return ret_val;
+}
+
+static void igb_phy_disable_receiver(struct igb_adapter *adapter)
+{
+ struct e1000_hw *hw = &adapter->hw;
+
+ /* Write out to PHY registers 29 and 30 to disable the Receiver. */
+ hw->phy.ops.write_phy_reg(hw, 29, 0x001F);
+ hw->phy.ops.write_phy_reg(hw, 30, 0x8FFC);
+ hw->phy.ops.write_phy_reg(hw, 29, 0x001A);
+ hw->phy.ops.write_phy_reg(hw, 30, 0x8FF0);
+}
+
+static int igb_integrated_phy_loopback(struct igb_adapter *adapter)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ u32 ctrl_reg = 0;
+ u32 stat_reg = 0;
+
+ hw->mac.autoneg = false;
+
+ if (hw->phy.type == e1000_phy_m88) {
+ /* Auto-MDI/MDIX Off */
+ hw->phy.ops.write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
+ /* reset to update Auto-MDI/MDIX */
+ hw->phy.ops.write_phy_reg(hw, PHY_CONTROL, 0x9140);
+ /* autoneg off */
+ hw->phy.ops.write_phy_reg(hw, PHY_CONTROL, 0x8140);
+ }
+
+ ctrl_reg = rd32(E1000_CTRL);
+
+ /* force 1000, set loopback */
+ hw->phy.ops.write_phy_reg(hw, PHY_CONTROL, 0x4140);
+
+ /* Now set up the MAC to the same speed/duplex as the PHY. */
+ ctrl_reg = rd32(E1000_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 (hw->phy.media_type == e1000_media_type_copper &&
+ hw->phy.type == e1000_phy_m88)
+ ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
+ else {
+ /* Set the ILOS bit on the fiber Nic if half duplex link is
+ * detected. */
+ stat_reg = rd32(E1000_STATUS);
+ if ((stat_reg & E1000_STATUS_FD) == 0)
+ ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
+ }
+
+ wr32(E1000_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 (hw->phy.type == e1000_phy_m88)
+ igb_phy_disable_receiver(adapter);
+
+ udelay(500);
+
+ return 0;
+}
+
+static int igb_set_phy_loopback(struct igb_adapter *adapter)
+{
+ return igb_integrated_phy_loopback(adapter);
+}
+
+static int igb_setup_loopback_test(struct igb_adapter *adapter)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ u32 rctl;
+
+ if (hw->phy.media_type == e1000_media_type_fiber ||
+ hw->phy.media_type == e1000_media_type_internal_serdes) {
+ rctl = rd32(E1000_RCTL);
+ rctl |= E1000_RCTL_LBM_TCVR;
+ wr32(E1000_RCTL, rctl);
+ return 0;
+ } else if (hw->phy.media_type == e1000_media_type_copper) {
+ return igb_set_phy_loopback(adapter);
+ }
+
+ return 7;
+}
+
+static void igb_loopback_cleanup(struct igb_adapter *adapter)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ u32 rctl;
+ u16 phy_reg;
+
+ rctl = rd32(E1000_RCTL);
+ rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
+ wr32(E1000_RCTL, rctl);
+
+ hw->mac.autoneg = true;
+ hw->phy.ops.read_phy_reg(hw, PHY_CONTROL, &phy_reg);
+ if (phy_reg & MII_CR_LOOPBACK) {
+ phy_reg &= ~MII_CR_LOOPBACK;
+ hw->phy.ops.write_phy_reg(hw, PHY_CONTROL, phy_reg);
+ igb_phy_sw_reset(hw);
+ }
+}
+
+static void igb_create_lbtest_frame(struct sk_buff *skb,
+ unsigned int frame_size)
+{
+ memset(skb->data, 0xFF, frame_size);
+ frame_size &= ~1;
+ 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 igb_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
+{
+ frame_size &= ~1;
+ 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 igb_run_loopback_test(struct igb_adapter *adapter)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ struct igb_ring *tx_ring = &adapter->test_tx_ring;
+ struct igb_ring *rx_ring = &adapter->test_rx_ring;
+ struct pci_dev *pdev = adapter->pdev;
+ int i, j, k, l, lc, good_cnt;
+ int ret_val = 0;
+ unsigned long time;
+
+ wr32(E1000_RDT(0), rx_ring->count - 1);
+
+ /* Calculate the loop count based on the largest descriptor ring
+ * The idea is to wrap the largest ring a number of times using 64
+ * send/receive pairs during each loop
+ */
+
+ if (rx_ring->count <= tx_ring->count)
+ lc = ((tx_ring->count / 64) * 2) + 1;
+ else
+ lc = ((rx_ring->count / 64) * 2) + 1;
+
+ k = l = 0;
+ for (j = 0; j <= lc; j++) { /* loop count loop */
+ for (i = 0; i < 64; i++) { /* send the packets */
+ igb_create_lbtest_frame(tx_ring->buffer_info[k].skb,
+ 1024);
+ pci_dma_sync_single_for_device(pdev,
+ tx_ring->buffer_info[k].dma,
+ tx_ring->buffer_info[k].length,
+ PCI_DMA_TODEVICE);
+ k++;
+ if (k == tx_ring->count)
+ k = 0;
+ }
+ wr32(E1000_TDT(0), k);
+ msleep(200);
+ time = jiffies; /* set the start time for the receive */
+ good_cnt = 0;
+ do { /* receive the sent packets */
+ pci_dma_sync_single_for_cpu(pdev,
+ rx_ring->buffer_info[l].dma,
+ IGB_RXBUFFER_2048,
+ PCI_DMA_FROMDEVICE);
+
+ ret_val = igb_check_lbtest_frame(
+ rx_ring->buffer_info[l].skb, 1024);
+ if (!ret_val)
+ good_cnt++;
+ l++;
+ if (l == rx_ring->count)
+ l = 0;
+ /* time + 20 msecs (200 msecs on 2.4) is more than
+ * enough time to complete the receives, if it's
+ * exceeded, break and error off
+ */
+ } while (good_cnt < 64 && jiffies < (time + 20));
+ if (good_cnt != 64) {
+ ret_val = 13; /* ret_val is the same as mis-compare */
+ break;
+ }
+ if (jiffies >= (time + 20)) {
+ ret_val = 14; /* error code for time out error */
+ break;
+ }
+ } /* end loop count loop */
+ return ret_val;
+}
+
+static int igb_loopback_test(struct igb_adapter *adapter, u64 *data)
+{
+ /* PHY loopback cannot be performed if SoL/IDER
+ * sessions are active */
+ if (igb_check_reset_block(&adapter->hw)) {
+ dev_err(&adapter->pdev->dev,
+ "Cannot do PHY loopback test "
+ "when SoL/IDER is active.\n");
+ *data = 0;
+ goto out;
+ }
+ *data = igb_setup_desc_rings(adapter);
+ if (*data)
+ goto out;
+ *data = igb_setup_loopback_test(adapter);
+ if (*data)
+ goto err_loopback;
+ *data = igb_run_loopback_test(adapter);
+ igb_loopback_cleanup(adapter);
+
+err_loopback:
+ igb_free_desc_rings(adapter);
+out:
+ return *data;
+}
+
+static int igb_link_test(struct igb_adapter *adapter, u64 *data)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ *data = 0;
+ if (hw->phy.media_type == e1000_media_type_internal_serdes) {
+ int i = 0;
+ hw->mac.serdes_has_link = false;
+
+ /* On some blade server designs, link establishment
+ * could take as long as 2-3 minutes */
+ do {
+ hw->mac.ops.check_for_link(&adapter->hw);
+ if (hw->mac.serdes_has_link)
+ return *data;
+ msleep(20);
+ } while (i++ < 3750);
+
+ *data = 1;
+ } else {
+ hw->mac.ops.check_for_link(&adapter->hw);
+ if (hw->mac.autoneg)
+ msleep(4000);
+
+ if (!(rd32(E1000_STATUS) &
+ E1000_STATUS_LU))
+ *data = 1;
+ }
+ return *data;
+}
+
+static void igb_diag_test(struct net_device *netdev,
+ struct ethtool_test *eth_test, u64 *data)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ u16 autoneg_advertised;
+ u8 forced_speed_duplex, autoneg;
+ bool if_running = netif_running(netdev);
+
+ set_bit(__IGB_TESTING, &adapter->state);
+ if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
+ /* Offline tests */
+
+ /* save speed, duplex, autoneg settings */
+ autoneg_advertised = adapter->hw.phy.autoneg_advertised;
+ forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
+ autoneg = adapter->hw.mac.autoneg;
+
+ dev_info(&adapter->pdev->dev, "offline testing starting\n");
+
+ /* Link test performed before hardware reset so autoneg doesn't
+ * interfere with test result */
+ if (igb_link_test(adapter, &data[4]))
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ if (if_running)
+ /* indicate we're in test mode */
+ dev_close(netdev);
+ else
+ igb_reset(adapter);
+
+ if (igb_reg_test(adapter, &data[0]))
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ igb_reset(adapter);
+ if (igb_eeprom_test(adapter, &data[1]))
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ igb_reset(adapter);
+ if (igb_intr_test(adapter, &data[2]))
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ igb_reset(adapter);
+ if (igb_loopback_test(adapter, &data[3]))
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ /* restore speed, duplex, autoneg settings */
+ adapter->hw.phy.autoneg_advertised = autoneg_advertised;
+ adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
+ adapter->hw.mac.autoneg = autoneg;
+
+ /* force this routine to wait until autoneg complete/timeout */
+ adapter->hw.phy.autoneg_wait_to_complete = true;
+ igb_reset(adapter);
+ adapter->hw.phy.autoneg_wait_to_complete = false;
+
+ clear_bit(__IGB_TESTING, &adapter->state);
+ if (if_running)
+ dev_open(netdev);
+ } else {
+ dev_info(&adapter->pdev->dev, "online testing starting\n");
+ /* Online tests */
+ if (igb_link_test(adapter, &data[4]))
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ /* Online tests aren't run; pass by default */
+ data[0] = 0;
+ data[1] = 0;
+ data[2] = 0;
+ data[3] = 0;
+
+ clear_bit(__IGB_TESTING, &adapter->state);
+ }
+ msleep_interruptible(4 * 1000);
+}
+
+static int igb_wol_exclusion(struct igb_adapter *adapter,
+ struct ethtool_wolinfo *wol)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ int retval = 1; /* fail by default */
+
+ switch (hw->device_id) {
+ case E1000_DEV_ID_82575GB_QUAD_COPPER:
+ /* WoL not supported */
+ wol->supported = 0;
+ break;
+ case E1000_DEV_ID_82575EB_FIBER_SERDES:
+ /* Wake events not supported on port B */
+ if (rd32(E1000_STATUS) & E1000_STATUS_FUNC_1) {
+ wol->supported = 0;
+ break;
+ }
+ /* return success for non excluded adapter ports */
+ retval = 0;
+ break;
+ default:
+ /* dual port cards only support WoL on port A from now on
+ * unless it was enabled in the eeprom for port B
+ * so exclude FUNC_1 ports from having WoL enabled */
+ if (rd32(E1000_STATUS) & E1000_STATUS_FUNC_1 &&
+ !adapter->eeprom_wol) {
+ wol->supported = 0;
+ break;
+ }
+
+ retval = 0;
+ }
+
+ return retval;
+}
+
+static void igb_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+
+ wol->supported = WAKE_UCAST | WAKE_MCAST |
+ WAKE_BCAST | WAKE_MAGIC;
+ wol->wolopts = 0;
+
+ /* this function will set ->supported = 0 and return 1 if wol is not
+ * supported by this hardware */
+ if (igb_wol_exclusion(adapter, wol))
+ return;
+
+ /* apply any specific unsupported masks here */
+ switch (adapter->hw.device_id) {
+ default:
+ break;
+ }
+
+ 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 igb_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ struct e1000_hw *hw = &adapter->hw;
+
+ if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
+ return -EOPNOTSUPP;
+
+ if (igb_wol_exclusion(adapter, wol))
+ return wol->wolopts ? -EOPNOTSUPP : 0;
+
+ switch (hw->device_id) {
+ default:
+ break;
+ }
+
+ /* these settings will always override what we currently have */
+ 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 IGB_ID_INTERVAL (HZ/4)
+
+/* bit defines for adapter->led_status */
+#define IGB_LED_ON 0
+
+static int igb_phys_id(struct net_device *netdev, u32 data)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ struct e1000_hw *hw = &adapter->hw;
+
+ if (!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ))
+ data = (u32)(MAX_SCHEDULE_TIMEOUT / HZ);
+
+ igb_blink_led(hw);
+ msleep_interruptible(data * 1000);
+
+ igb_led_off(hw);
+ clear_bit(IGB_LED_ON, &adapter->led_status);
+ igb_cleanup_led(hw);
+
+ return 0;
+}
+
+static int igb_set_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *ec)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+
+ if ((ec->rx_coalesce_usecs > IGB_MAX_ITR_USECS) ||
+ ((ec->rx_coalesce_usecs > 3) &&
+ (ec->rx_coalesce_usecs < IGB_MIN_ITR_USECS)) ||
+ (ec->rx_coalesce_usecs == 2))
+ return -EINVAL;
+
+ /* convert to rate of irq's per second */
+ if (ec->rx_coalesce_usecs <= 3)
+ adapter->itr_setting = ec->rx_coalesce_usecs;
+ else
+ adapter->itr_setting = (1000000 / ec->rx_coalesce_usecs);
+
+ if (netif_running(netdev))
+ igb_reinit_locked(adapter);
+
+ return 0;
+}
+
+static int igb_get_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *ec)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+
+ if (adapter->itr_setting <= 3)
+ ec->rx_coalesce_usecs = adapter->itr_setting;
+ else
+ ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
+
+ return 0;
+}
+
+
+static int igb_nway_reset(struct net_device *netdev)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ if (netif_running(netdev))
+ igb_reinit_locked(adapter);
+ return 0;
+}
+
+static int igb_get_sset_count(struct net_device *netdev, int sset)
+{
+ switch (sset) {
+ case ETH_SS_STATS:
+ return IGB_STATS_LEN;
+ case ETH_SS_TEST:
+ return IGB_TEST_LEN;
+ default:
+ return -ENOTSUPP;
+ }
+}
+
+static void igb_get_ethtool_stats(struct net_device *netdev,
+ struct ethtool_stats *stats, u64 *data)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ u64 *queue_stat;
+ int stat_count = sizeof(struct igb_queue_stats) / sizeof(u64);
+ int j;
+ int i;
+
+ igb_update_stats(adapter);
+ for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) {
+ char *p = (char *)adapter+igb_gstrings_stats[i].stat_offset;
+ data[i] = (igb_gstrings_stats[i].sizeof_stat ==
+ sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
+ }
+ for (j = 0; j < adapter->num_rx_queues; j++) {
+ int k;
+ queue_stat = (u64 *)&adapter->rx_ring[j].rx_stats;
+ for (k = 0; k < stat_count; k++)
+ data[i + k] = queue_stat[k];
+ i += k;
+ }
+}
+
+static void igb_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ u8 *p = data;
+ int i;
+
+ switch (stringset) {
+ case ETH_SS_TEST:
+ memcpy(data, *igb_gstrings_test,
+ IGB_TEST_LEN*ETH_GSTRING_LEN);
+ break;
+ case ETH_SS_STATS:
+ for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) {
+ memcpy(p, igb_gstrings_stats[i].stat_string,
+ ETH_GSTRING_LEN);
+ p += ETH_GSTRING_LEN;
+ }
+ for (i = 0; i < adapter->num_tx_queues; i++) {
+ sprintf(p, "tx_queue_%u_packets", i);
+ p += ETH_GSTRING_LEN;
+ sprintf(p, "tx_queue_%u_bytes", i);
+ p += ETH_GSTRING_LEN;
+ }
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+ sprintf(p, "rx_queue_%u_packets", i);
+ p += ETH_GSTRING_LEN;
+ sprintf(p, "rx_queue_%u_bytes", i);
+ p += ETH_GSTRING_LEN;
+ }
+/* BUG_ON(p - data != IGB_STATS_LEN * ETH_GSTRING_LEN); */
+ break;
+ }
+}
+
+static struct ethtool_ops igb_ethtool_ops = {
+ .get_settings = igb_get_settings,
+ .set_settings = igb_set_settings,
+ .get_drvinfo = igb_get_drvinfo,
+ .get_regs_len = igb_get_regs_len,
+ .get_regs = igb_get_regs,
+ .get_wol = igb_get_wol,
+ .set_wol = igb_set_wol,
+ .get_msglevel = igb_get_msglevel,
+ .set_msglevel = igb_set_msglevel,
+ .nway_reset = igb_nway_reset,
+ .get_link = ethtool_op_get_link,
+ .get_eeprom_len = igb_get_eeprom_len,
+ .get_eeprom = igb_get_eeprom,
+ .set_eeprom = igb_set_eeprom,
+ .get_ringparam = igb_get_ringparam,
+ .set_ringparam = igb_set_ringparam,
+ .get_pauseparam = igb_get_pauseparam,
+ .set_pauseparam = igb_set_pauseparam,
+ .get_rx_csum = igb_get_rx_csum,
+ .set_rx_csum = igb_set_rx_csum,
+ .get_tx_csum = igb_get_tx_csum,
+ .set_tx_csum = igb_set_tx_csum,
+ .get_sg = ethtool_op_get_sg,
+ .set_sg = ethtool_op_set_sg,
+ .get_tso = ethtool_op_get_tso,
+ .set_tso = igb_set_tso,
+ .self_test = igb_diag_test,
+ .get_strings = igb_get_strings,
+ .phys_id = igb_phys_id,
+ .get_sset_count = igb_get_sset_count,
+ .get_ethtool_stats = igb_get_ethtool_stats,
+ .get_coalesce = igb_get_coalesce,
+ .set_coalesce = igb_set_coalesce,
+};
+
+void igb_set_ethtool_ops(struct net_device *netdev)
+{
+ SET_ETHTOOL_OPS(netdev, &igb_ethtool_ops);
+}