diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbevf/ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbevf/ethtool.c | 742 |
1 files changed, 742 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ixgbevf/ethtool.c b/drivers/net/ethernet/intel/ixgbevf/ethtool.c new file mode 100644 index 000000000000..deee3754b1f7 --- /dev/null +++ b/drivers/net/ethernet/intel/ixgbevf/ethtool.c @@ -0,0 +1,742 @@ +/******************************************************************************* + + Intel 82599 Virtual Function driver + Copyright(c) 1999 - 2009 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 ixgbevf */ + +#include <linux/types.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/pci.h> +#include <linux/netdevice.h> +#include <linux/ethtool.h> +#include <linux/vmalloc.h> +#include <linux/if_vlan.h> +#include <linux/uaccess.h> + +#include "ixgbevf.h" + +#define IXGBE_ALL_RAR_ENTRIES 16 + +#ifdef ETHTOOL_GSTATS +struct ixgbe_stats { + char stat_string[ETH_GSTRING_LEN]; + int sizeof_stat; + int stat_offset; + int base_stat_offset; + int saved_reset_offset; +}; + +#define IXGBEVF_STAT(m, b, r) sizeof(((struct ixgbevf_adapter *)0)->m), \ + offsetof(struct ixgbevf_adapter, m), \ + offsetof(struct ixgbevf_adapter, b), \ + offsetof(struct ixgbevf_adapter, r) +static struct ixgbe_stats ixgbe_gstrings_stats[] = { + {"rx_packets", IXGBEVF_STAT(stats.vfgprc, stats.base_vfgprc, + stats.saved_reset_vfgprc)}, + {"tx_packets", IXGBEVF_STAT(stats.vfgptc, stats.base_vfgptc, + stats.saved_reset_vfgptc)}, + {"rx_bytes", IXGBEVF_STAT(stats.vfgorc, stats.base_vfgorc, + stats.saved_reset_vfgorc)}, + {"tx_bytes", IXGBEVF_STAT(stats.vfgotc, stats.base_vfgotc, + stats.saved_reset_vfgotc)}, + {"tx_busy", IXGBEVF_STAT(tx_busy, zero_base, zero_base)}, + {"multicast", IXGBEVF_STAT(stats.vfmprc, stats.base_vfmprc, + stats.saved_reset_vfmprc)}, + {"rx_csum_offload_good", IXGBEVF_STAT(hw_csum_rx_good, zero_base, + zero_base)}, + {"rx_csum_offload_errors", IXGBEVF_STAT(hw_csum_rx_error, zero_base, + zero_base)}, + {"tx_csum_offload_ctxt", IXGBEVF_STAT(hw_csum_tx_good, zero_base, + zero_base)}, + {"rx_header_split", IXGBEVF_STAT(rx_hdr_split, zero_base, zero_base)}, +}; + +#define IXGBE_QUEUE_STATS_LEN 0 +#define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats) + +#define IXGBEVF_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + IXGBE_QUEUE_STATS_LEN) +#endif /* ETHTOOL_GSTATS */ +#ifdef ETHTOOL_TEST +static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = { + "Register test (offline)", + "Link test (on/offline)" +}; +#define IXGBE_TEST_LEN (sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN) +#endif /* ETHTOOL_TEST */ + +static int ixgbevf_get_settings(struct net_device *netdev, + struct ethtool_cmd *ecmd) +{ + struct ixgbevf_adapter *adapter = netdev_priv(netdev); + struct ixgbe_hw *hw = &adapter->hw; + u32 link_speed = 0; + bool link_up; + + ecmd->supported = SUPPORTED_10000baseT_Full; + ecmd->autoneg = AUTONEG_DISABLE; + ecmd->transceiver = XCVR_DUMMY1; + ecmd->port = -1; + + hw->mac.ops.check_link(hw, &link_speed, &link_up, false); + + if (link_up) { + ethtool_cmd_speed_set( + ecmd, + (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ? + SPEED_10000 : SPEED_1000); + ecmd->duplex = DUPLEX_FULL; + } else { + ethtool_cmd_speed_set(ecmd, -1); + ecmd->duplex = -1; + } + + return 0; +} + +static u32 ixgbevf_get_rx_csum(struct net_device *netdev) +{ + struct ixgbevf_adapter *adapter = netdev_priv(netdev); + return adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED; +} + +static int ixgbevf_set_rx_csum(struct net_device *netdev, u32 data) +{ + struct ixgbevf_adapter *adapter = netdev_priv(netdev); + if (data) + adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED; + else + adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED; + + if (netif_running(netdev)) { + if (!adapter->dev_closed) + ixgbevf_reinit_locked(adapter); + } else { + ixgbevf_reset(adapter); + } + + return 0; +} + +static int ixgbevf_set_tso(struct net_device *netdev, u32 data) +{ + if (data) { + netdev->features |= NETIF_F_TSO; + netdev->features |= NETIF_F_TSO6; + } else { + netif_tx_stop_all_queues(netdev); + netdev->features &= ~NETIF_F_TSO; + netdev->features &= ~NETIF_F_TSO6; + netif_tx_start_all_queues(netdev); + } + return 0; +} + +static u32 ixgbevf_get_msglevel(struct net_device *netdev) +{ + struct ixgbevf_adapter *adapter = netdev_priv(netdev); + return adapter->msg_enable; +} + +static void ixgbevf_set_msglevel(struct net_device *netdev, u32 data) +{ + struct ixgbevf_adapter *adapter = netdev_priv(netdev); + adapter->msg_enable = data; +} + +#define IXGBE_GET_STAT(_A_, _R_) (_A_->stats._R_) + +static char *ixgbevf_reg_names[] = { + "IXGBE_VFCTRL", + "IXGBE_VFSTATUS", + "IXGBE_VFLINKS", + "IXGBE_VFRXMEMWRAP", + "IXGBE_VFFRTIMER", + "IXGBE_VTEICR", + "IXGBE_VTEICS", + "IXGBE_VTEIMS", + "IXGBE_VTEIMC", + "IXGBE_VTEIAC", + "IXGBE_VTEIAM", + "IXGBE_VTEITR", + "IXGBE_VTIVAR", + "IXGBE_VTIVAR_MISC", + "IXGBE_VFRDBAL0", + "IXGBE_VFRDBAL1", + "IXGBE_VFRDBAH0", + "IXGBE_VFRDBAH1", + "IXGBE_VFRDLEN0", + "IXGBE_VFRDLEN1", + "IXGBE_VFRDH0", + "IXGBE_VFRDH1", + "IXGBE_VFRDT0", + "IXGBE_VFRDT1", + "IXGBE_VFRXDCTL0", + "IXGBE_VFRXDCTL1", + "IXGBE_VFSRRCTL0", + "IXGBE_VFSRRCTL1", + "IXGBE_VFPSRTYPE", + "IXGBE_VFTDBAL0", + "IXGBE_VFTDBAL1", + "IXGBE_VFTDBAH0", + "IXGBE_VFTDBAH1", + "IXGBE_VFTDLEN0", + "IXGBE_VFTDLEN1", + "IXGBE_VFTDH0", + "IXGBE_VFTDH1", + "IXGBE_VFTDT0", + "IXGBE_VFTDT1", + "IXGBE_VFTXDCTL0", + "IXGBE_VFTXDCTL1", + "IXGBE_VFTDWBAL0", + "IXGBE_VFTDWBAL1", + "IXGBE_VFTDWBAH0", + "IXGBE_VFTDWBAH1" +}; + + +static int ixgbevf_get_regs_len(struct net_device *netdev) +{ + return (ARRAY_SIZE(ixgbevf_reg_names)) * sizeof(u32); +} + +static void ixgbevf_get_regs(struct net_device *netdev, + struct ethtool_regs *regs, + void *p) +{ + struct ixgbevf_adapter *adapter = netdev_priv(netdev); + struct ixgbe_hw *hw = &adapter->hw; + u32 *regs_buff = p; + u32 regs_len = ixgbevf_get_regs_len(netdev); + u8 i; + + memset(p, 0, regs_len); + + regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id; + + /* General Registers */ + regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_VFCTRL); + regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_VFSTATUS); + regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_VFLINKS); + regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_VFRXMEMWRAP); + regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_VFFRTIMER); + + /* Interrupt */ + /* don't read EICR because it can clear interrupt causes, instead + * read EICS which is a shadow but doesn't clear EICR */ + regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_VTEICS); + regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_VTEICS); + regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_VTEIMS); + regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_VTEIMC); + regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_VTEIAC); + regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_VTEIAM); + regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_VTEITR(0)); + regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_VTIVAR(0)); + regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_VTIVAR_MISC); + + /* Receive DMA */ + for (i = 0; i < 2; i++) + regs_buff[14 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAL(i)); + for (i = 0; i < 2; i++) + regs_buff[16 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAH(i)); + for (i = 0; i < 2; i++) + regs_buff[18 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDLEN(i)); + for (i = 0; i < 2; i++) + regs_buff[20 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDH(i)); + for (i = 0; i < 2; i++) + regs_buff[22 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDT(i)); + for (i = 0; i < 2; i++) + regs_buff[24 + i] = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i)); + for (i = 0; i < 2; i++) + regs_buff[26 + i] = IXGBE_READ_REG(hw, IXGBE_VFSRRCTL(i)); + + /* Receive */ + regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_VFPSRTYPE); + + /* Transmit */ + for (i = 0; i < 2; i++) + regs_buff[29 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAL(i)); + for (i = 0; i < 2; i++) + regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAH(i)); + for (i = 0; i < 2; i++) + regs_buff[33 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDLEN(i)); + for (i = 0; i < 2; i++) + regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDH(i)); + for (i = 0; i < 2; i++) + regs_buff[37 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDT(i)); + for (i = 0; i < 2; i++) + regs_buff[39 + i] = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i)); + for (i = 0; i < 2; i++) + regs_buff[41 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAL(i)); + for (i = 0; i < 2; i++) + regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAH(i)); + + for (i = 0; i < ARRAY_SIZE(ixgbevf_reg_names); i++) + hw_dbg(hw, "%s\t%8.8x\n", ixgbevf_reg_names[i], regs_buff[i]); +} + +static void ixgbevf_get_drvinfo(struct net_device *netdev, + struct ethtool_drvinfo *drvinfo) +{ + struct ixgbevf_adapter *adapter = netdev_priv(netdev); + + strlcpy(drvinfo->driver, ixgbevf_driver_name, 32); + strlcpy(drvinfo->version, ixgbevf_driver_version, 32); + + strlcpy(drvinfo->fw_version, "N/A", 4); + strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); +} + +static void ixgbevf_get_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ring) +{ + struct ixgbevf_adapter *adapter = netdev_priv(netdev); + struct ixgbevf_ring *tx_ring = adapter->tx_ring; + struct ixgbevf_ring *rx_ring = adapter->rx_ring; + + ring->rx_max_pending = IXGBEVF_MAX_RXD; + ring->tx_max_pending = IXGBEVF_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 ixgbevf_set_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ring) +{ + struct ixgbevf_adapter *adapter = netdev_priv(netdev); + struct ixgbevf_ring *tx_ring = NULL, *rx_ring = NULL; + int i, err = 0; + u32 new_rx_count, new_tx_count; + + if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) + return -EINVAL; + + new_rx_count = max(ring->rx_pending, (u32)IXGBEVF_MIN_RXD); + new_rx_count = min(new_rx_count, (u32)IXGBEVF_MAX_RXD); + new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE); + + new_tx_count = max(ring->tx_pending, (u32)IXGBEVF_MIN_TXD); + new_tx_count = min(new_tx_count, (u32)IXGBEVF_MAX_TXD); + new_tx_count = ALIGN(new_tx_count, IXGBE_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(__IXGBEVF_RESETTING, &adapter->state)) + msleep(1); + + /* + * If the adapter isn't up and running then just set the + * new parameters and scurry for the exits. + */ + if (!netif_running(adapter->netdev)) { + for (i = 0; i < adapter->num_tx_queues; i++) + adapter->tx_ring[i].count = new_tx_count; + for (i = 0; i < adapter->num_rx_queues; i++) + adapter->rx_ring[i].count = new_rx_count; + adapter->tx_ring_count = new_tx_count; + adapter->rx_ring_count = new_rx_count; + goto clear_reset; + } + + tx_ring = kcalloc(adapter->num_tx_queues, + sizeof(struct ixgbevf_ring), GFP_KERNEL); + if (!tx_ring) { + err = -ENOMEM; + goto clear_reset; + } + + rx_ring = kcalloc(adapter->num_rx_queues, + sizeof(struct ixgbevf_ring), GFP_KERNEL); + if (!rx_ring) { + err = -ENOMEM; + goto err_rx_setup; + } + + ixgbevf_down(adapter); + + memcpy(tx_ring, adapter->tx_ring, + adapter->num_tx_queues * sizeof(struct ixgbevf_ring)); + for (i = 0; i < adapter->num_tx_queues; i++) { + tx_ring[i].count = new_tx_count; + err = ixgbevf_setup_tx_resources(adapter, &tx_ring[i]); + if (err) { + while (i) { + i--; + ixgbevf_free_tx_resources(adapter, + &tx_ring[i]); + } + goto err_tx_ring_setup; + } + tx_ring[i].v_idx = adapter->tx_ring[i].v_idx; + } + + memcpy(rx_ring, adapter->rx_ring, + adapter->num_rx_queues * sizeof(struct ixgbevf_ring)); + for (i = 0; i < adapter->num_rx_queues; i++) { + rx_ring[i].count = new_rx_count; + err = ixgbevf_setup_rx_resources(adapter, &rx_ring[i]); + if (err) { + while (i) { + i--; + ixgbevf_free_rx_resources(adapter, + &rx_ring[i]); + } + goto err_rx_ring_setup; + } + rx_ring[i].v_idx = adapter->rx_ring[i].v_idx; + } + + /* + * Only switch to new rings if all the prior allocations + * and ring setups have succeeded. + */ + kfree(adapter->tx_ring); + adapter->tx_ring = tx_ring; + adapter->tx_ring_count = new_tx_count; + + kfree(adapter->rx_ring); + adapter->rx_ring = rx_ring; + adapter->rx_ring_count = new_rx_count; + + /* success! */ + ixgbevf_up(adapter); + + goto clear_reset; + +err_rx_ring_setup: + for(i = 0; i < adapter->num_tx_queues; i++) + ixgbevf_free_tx_resources(adapter, &tx_ring[i]); + +err_tx_ring_setup: + kfree(rx_ring); + +err_rx_setup: + kfree(tx_ring); + +clear_reset: + clear_bit(__IXGBEVF_RESETTING, &adapter->state); + return err; +} + +static int ixgbevf_get_sset_count(struct net_device *dev, int stringset) +{ + switch (stringset) { + case ETH_SS_TEST: + return IXGBE_TEST_LEN; + case ETH_SS_STATS: + return IXGBE_GLOBAL_STATS_LEN; + default: + return -EINVAL; + } +} + +static void ixgbevf_get_ethtool_stats(struct net_device *netdev, + struct ethtool_stats *stats, u64 *data) +{ + struct ixgbevf_adapter *adapter = netdev_priv(netdev); + int i; + + ixgbevf_update_stats(adapter); + for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) { + char *p = (char *)adapter + + ixgbe_gstrings_stats[i].stat_offset; + char *b = (char *)adapter + + ixgbe_gstrings_stats[i].base_stat_offset; + char *r = (char *)adapter + + ixgbe_gstrings_stats[i].saved_reset_offset; + data[i] = ((ixgbe_gstrings_stats[i].sizeof_stat == + sizeof(u64)) ? *(u64 *)p : *(u32 *)p) - + ((ixgbe_gstrings_stats[i].sizeof_stat == + sizeof(u64)) ? *(u64 *)b : *(u32 *)b) + + ((ixgbe_gstrings_stats[i].sizeof_stat == + sizeof(u64)) ? *(u64 *)r : *(u32 *)r); + } +} + +static void ixgbevf_get_strings(struct net_device *netdev, u32 stringset, + u8 *data) +{ + char *p = (char *)data; + int i; + + switch (stringset) { + case ETH_SS_TEST: + memcpy(data, *ixgbe_gstrings_test, + IXGBE_TEST_LEN * ETH_GSTRING_LEN); + break; + case ETH_SS_STATS: + for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) { + memcpy(p, ixgbe_gstrings_stats[i].stat_string, + ETH_GSTRING_LEN); + p += ETH_GSTRING_LEN; + } + break; + } +} + +static int ixgbevf_link_test(struct ixgbevf_adapter *adapter, u64 *data) +{ + struct ixgbe_hw *hw = &adapter->hw; + bool link_up; + u32 link_speed = 0; + *data = 0; + + hw->mac.ops.check_link(hw, &link_speed, &link_up, true); + if (!link_up) + *data = 1; + + return *data; +} + +/* ethtool register test data */ +struct ixgbevf_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 0x40 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 VF register test */ +static const struct ixgbevf_reg_test reg_test_vf[] = { + { IXGBE_VFRDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 }, + { IXGBE_VFRDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, + { IXGBE_VFRDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFFFF }, + { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE }, + { IXGBE_VFRDT(0), 2, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF }, + { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, 0 }, + { IXGBE_VFTDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF }, + { IXGBE_VFTDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, + { IXGBE_VFTDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFF80 }, + { 0, 0, 0, 0 } +}; + +static const u32 register_test_patterns[] = { + 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF +}; + +#define REG_PATTERN_TEST(R, M, W) \ +{ \ + u32 pat, val, before; \ + for (pat = 0; pat < ARRAY_SIZE(register_test_patterns); pat++) { \ + before = readl(adapter->hw.hw_addr + R); \ + writel((register_test_patterns[pat] & W), \ + (adapter->hw.hw_addr + R)); \ + val = readl(adapter->hw.hw_addr + R); \ + if (val != (register_test_patterns[pat] & W & M)) { \ + hw_dbg(&adapter->hw, \ + "pattern test reg %04X failed: got " \ + "0x%08X expected 0x%08X\n", \ + R, val, (register_test_patterns[pat] & W & M)); \ + *data = R; \ + writel(before, adapter->hw.hw_addr + R); \ + return 1; \ + } \ + writel(before, adapter->hw.hw_addr + R); \ + } \ +} + +#define REG_SET_AND_CHECK(R, M, W) \ +{ \ + u32 val, before; \ + before = readl(adapter->hw.hw_addr + R); \ + writel((W & M), (adapter->hw.hw_addr + R)); \ + val = readl(adapter->hw.hw_addr + R); \ + if ((W & M) != (val & M)) { \ + printk(KERN_ERR "set/check reg %04X test failed: got 0x%08X " \ + "expected 0x%08X\n", R, (val & M), (W & M)); \ + *data = R; \ + writel(before, (adapter->hw.hw_addr + R)); \ + return 1; \ + } \ + writel(before, (adapter->hw.hw_addr + R)); \ +} + +static int ixgbevf_reg_test(struct ixgbevf_adapter *adapter, u64 *data) +{ + const struct ixgbevf_reg_test *test; + u32 i; + + test = reg_test_vf; + + /* + * Perform 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 * 0x40), + test->mask, + test->write); + break; + case SET_READ_TEST: + REG_SET_AND_CHECK(test->reg + (i * 0x40), + test->mask, + test->write); + break; + case WRITE_NO_TEST: + writel(test->write, + (adapter->hw.hw_addr + test->reg) + + (i * 0x40)); + 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 *data; +} + +static void ixgbevf_diag_test(struct net_device *netdev, + struct ethtool_test *eth_test, u64 *data) +{ + struct ixgbevf_adapter *adapter = netdev_priv(netdev); + bool if_running = netif_running(netdev); + + set_bit(__IXGBEVF_TESTING, &adapter->state); + if (eth_test->flags == ETH_TEST_FL_OFFLINE) { + /* Offline tests */ + + hw_dbg(&adapter->hw, "offline testing starting\n"); + + /* Link test performed before hardware reset so autoneg doesn't + * interfere with test result */ + if (ixgbevf_link_test(adapter, &data[1])) + eth_test->flags |= ETH_TEST_FL_FAILED; + + if (if_running) + /* indicate we're in test mode */ + dev_close(netdev); + else + ixgbevf_reset(adapter); + + hw_dbg(&adapter->hw, "register testing starting\n"); + if (ixgbevf_reg_test(adapter, &data[0])) + eth_test->flags |= ETH_TEST_FL_FAILED; + + ixgbevf_reset(adapter); + + clear_bit(__IXGBEVF_TESTING, &adapter->state); + if (if_running) + dev_open(netdev); + } else { + hw_dbg(&adapter->hw, "online testing starting\n"); + /* Online tests */ + if (ixgbevf_link_test(adapter, &data[1])) + eth_test->flags |= ETH_TEST_FL_FAILED; + + /* Online tests aren't run; pass by default */ + data[0] = 0; + + clear_bit(__IXGBEVF_TESTING, &adapter->state); + } + msleep_interruptible(4 * 1000); +} + +static int ixgbevf_nway_reset(struct net_device *netdev) +{ + struct ixgbevf_adapter *adapter = netdev_priv(netdev); + + if (netif_running(netdev)) { + if (!adapter->dev_closed) + ixgbevf_reinit_locked(adapter); + } + + return 0; +} + +static struct ethtool_ops ixgbevf_ethtool_ops = { + .get_settings = ixgbevf_get_settings, + .get_drvinfo = ixgbevf_get_drvinfo, + .get_regs_len = ixgbevf_get_regs_len, + .get_regs = ixgbevf_get_regs, + .nway_reset = ixgbevf_nway_reset, + .get_link = ethtool_op_get_link, + .get_ringparam = ixgbevf_get_ringparam, + .set_ringparam = ixgbevf_set_ringparam, + .get_rx_csum = ixgbevf_get_rx_csum, + .set_rx_csum = ixgbevf_set_rx_csum, + .get_tx_csum = ethtool_op_get_tx_csum, + .set_tx_csum = ethtool_op_set_tx_ipv6_csum, + .get_sg = ethtool_op_get_sg, + .set_sg = ethtool_op_set_sg, + .get_msglevel = ixgbevf_get_msglevel, + .set_msglevel = ixgbevf_set_msglevel, + .get_tso = ethtool_op_get_tso, + .set_tso = ixgbevf_set_tso, + .self_test = ixgbevf_diag_test, + .get_sset_count = ixgbevf_get_sset_count, + .get_strings = ixgbevf_get_strings, + .get_ethtool_stats = ixgbevf_get_ethtool_stats, +}; + +void ixgbevf_set_ethtool_ops(struct net_device *netdev) +{ + SET_ETHTOOL_OPS(netdev, &ixgbevf_ethtool_ops); +} |