| /* QLogic qede NIC Driver |
| * Copyright (c) 2015-2017 QLogic Corporation |
| * |
| * This software is available to you under a choice of one of two |
| * licenses. You may choose to be licensed under the terms of the GNU |
| * General Public License (GPL) Version 2, available from the file |
| * COPYING in the main directory of this source tree, or the |
| * OpenIB.org BSD license below: |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and /or other materials |
| * provided with the distribution. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #include <linux/version.h> |
| #include <linux/types.h> |
| #include <linux/netdevice.h> |
| #include <linux/etherdevice.h> |
| #include <linux/ethtool.h> |
| #include <linux/string.h> |
| #include <linux/pci.h> |
| #include <linux/capability.h> |
| #include <linux/vmalloc.h> |
| #include "qede.h" |
| #include "qede_ptp.h" |
| |
| #define QEDE_RQSTAT_OFFSET(stat_name) \ |
| (offsetof(struct qede_rx_queue, stat_name)) |
| #define QEDE_RQSTAT_STRING(stat_name) (#stat_name) |
| #define QEDE_RQSTAT(stat_name) \ |
| {QEDE_RQSTAT_OFFSET(stat_name), QEDE_RQSTAT_STRING(stat_name)} |
| |
| #define QEDE_SELFTEST_POLL_COUNT 100 |
| |
| static const struct { |
| u64 offset; |
| char string[ETH_GSTRING_LEN]; |
| } qede_rqstats_arr[] = { |
| QEDE_RQSTAT(rcv_pkts), |
| QEDE_RQSTAT(rx_hw_errors), |
| QEDE_RQSTAT(rx_alloc_errors), |
| QEDE_RQSTAT(rx_ip_frags), |
| QEDE_RQSTAT(xdp_no_pass), |
| }; |
| |
| #define QEDE_NUM_RQSTATS ARRAY_SIZE(qede_rqstats_arr) |
| #define QEDE_TQSTAT_OFFSET(stat_name) \ |
| (offsetof(struct qede_tx_queue, stat_name)) |
| #define QEDE_TQSTAT_STRING(stat_name) (#stat_name) |
| #define QEDE_TQSTAT(stat_name) \ |
| {QEDE_TQSTAT_OFFSET(stat_name), QEDE_TQSTAT_STRING(stat_name)} |
| #define QEDE_NUM_TQSTATS ARRAY_SIZE(qede_tqstats_arr) |
| static const struct { |
| u64 offset; |
| char string[ETH_GSTRING_LEN]; |
| } qede_tqstats_arr[] = { |
| QEDE_TQSTAT(xmit_pkts), |
| QEDE_TQSTAT(stopped_cnt), |
| }; |
| |
| #define QEDE_STAT_OFFSET(stat_name) (offsetof(struct qede_stats, stat_name)) |
| #define QEDE_STAT_STRING(stat_name) (#stat_name) |
| #define _QEDE_STAT(stat_name, pf_only) \ |
| {QEDE_STAT_OFFSET(stat_name), QEDE_STAT_STRING(stat_name), pf_only} |
| #define QEDE_PF_STAT(stat_name) _QEDE_STAT(stat_name, true) |
| #define QEDE_STAT(stat_name) _QEDE_STAT(stat_name, false) |
| static const struct { |
| u64 offset; |
| char string[ETH_GSTRING_LEN]; |
| bool pf_only; |
| } qede_stats_arr[] = { |
| QEDE_STAT(rx_ucast_bytes), |
| QEDE_STAT(rx_mcast_bytes), |
| QEDE_STAT(rx_bcast_bytes), |
| QEDE_STAT(rx_ucast_pkts), |
| QEDE_STAT(rx_mcast_pkts), |
| QEDE_STAT(rx_bcast_pkts), |
| |
| QEDE_STAT(tx_ucast_bytes), |
| QEDE_STAT(tx_mcast_bytes), |
| QEDE_STAT(tx_bcast_bytes), |
| QEDE_STAT(tx_ucast_pkts), |
| QEDE_STAT(tx_mcast_pkts), |
| QEDE_STAT(tx_bcast_pkts), |
| |
| QEDE_PF_STAT(rx_64_byte_packets), |
| QEDE_PF_STAT(rx_65_to_127_byte_packets), |
| QEDE_PF_STAT(rx_128_to_255_byte_packets), |
| QEDE_PF_STAT(rx_256_to_511_byte_packets), |
| QEDE_PF_STAT(rx_512_to_1023_byte_packets), |
| QEDE_PF_STAT(rx_1024_to_1518_byte_packets), |
| QEDE_PF_STAT(rx_1519_to_1522_byte_packets), |
| QEDE_PF_STAT(rx_1519_to_2047_byte_packets), |
| QEDE_PF_STAT(rx_2048_to_4095_byte_packets), |
| QEDE_PF_STAT(rx_4096_to_9216_byte_packets), |
| QEDE_PF_STAT(rx_9217_to_16383_byte_packets), |
| QEDE_PF_STAT(tx_64_byte_packets), |
| QEDE_PF_STAT(tx_65_to_127_byte_packets), |
| QEDE_PF_STAT(tx_128_to_255_byte_packets), |
| QEDE_PF_STAT(tx_256_to_511_byte_packets), |
| QEDE_PF_STAT(tx_512_to_1023_byte_packets), |
| QEDE_PF_STAT(tx_1024_to_1518_byte_packets), |
| QEDE_PF_STAT(tx_1519_to_2047_byte_packets), |
| QEDE_PF_STAT(tx_2048_to_4095_byte_packets), |
| QEDE_PF_STAT(tx_4096_to_9216_byte_packets), |
| QEDE_PF_STAT(tx_9217_to_16383_byte_packets), |
| |
| QEDE_PF_STAT(rx_mac_crtl_frames), |
| QEDE_PF_STAT(tx_mac_ctrl_frames), |
| QEDE_PF_STAT(rx_pause_frames), |
| QEDE_PF_STAT(tx_pause_frames), |
| QEDE_PF_STAT(rx_pfc_frames), |
| QEDE_PF_STAT(tx_pfc_frames), |
| |
| QEDE_PF_STAT(rx_crc_errors), |
| QEDE_PF_STAT(rx_align_errors), |
| QEDE_PF_STAT(rx_carrier_errors), |
| QEDE_PF_STAT(rx_oversize_packets), |
| QEDE_PF_STAT(rx_jabbers), |
| QEDE_PF_STAT(rx_undersize_packets), |
| QEDE_PF_STAT(rx_fragments), |
| QEDE_PF_STAT(tx_lpi_entry_count), |
| QEDE_PF_STAT(tx_total_collisions), |
| QEDE_PF_STAT(brb_truncates), |
| QEDE_PF_STAT(brb_discards), |
| QEDE_STAT(no_buff_discards), |
| QEDE_PF_STAT(mftag_filter_discards), |
| QEDE_PF_STAT(mac_filter_discards), |
| QEDE_STAT(tx_err_drop_pkts), |
| QEDE_STAT(ttl0_discard), |
| QEDE_STAT(packet_too_big_discard), |
| |
| QEDE_STAT(coalesced_pkts), |
| QEDE_STAT(coalesced_events), |
| QEDE_STAT(coalesced_aborts_num), |
| QEDE_STAT(non_coalesced_pkts), |
| QEDE_STAT(coalesced_bytes), |
| }; |
| |
| #define QEDE_NUM_STATS ARRAY_SIZE(qede_stats_arr) |
| |
| enum { |
| QEDE_PRI_FLAG_CMT, |
| QEDE_PRI_FLAG_LEN, |
| }; |
| |
| static const char qede_private_arr[QEDE_PRI_FLAG_LEN][ETH_GSTRING_LEN] = { |
| "Coupled-Function", |
| }; |
| |
| enum qede_ethtool_tests { |
| QEDE_ETHTOOL_INT_LOOPBACK, |
| QEDE_ETHTOOL_INTERRUPT_TEST, |
| QEDE_ETHTOOL_MEMORY_TEST, |
| QEDE_ETHTOOL_REGISTER_TEST, |
| QEDE_ETHTOOL_CLOCK_TEST, |
| QEDE_ETHTOOL_NVRAM_TEST, |
| QEDE_ETHTOOL_TEST_MAX |
| }; |
| |
| static const char qede_tests_str_arr[QEDE_ETHTOOL_TEST_MAX][ETH_GSTRING_LEN] = { |
| "Internal loopback (offline)", |
| "Interrupt (online)\t", |
| "Memory (online)\t\t", |
| "Register (online)\t", |
| "Clock (online)\t\t", |
| "Nvram (online)\t\t", |
| }; |
| |
| static void qede_get_strings_stats_txq(struct qede_dev *edev, |
| struct qede_tx_queue *txq, u8 **buf) |
| { |
| int i; |
| |
| for (i = 0; i < QEDE_NUM_TQSTATS; i++) { |
| if (txq->is_xdp) |
| sprintf(*buf, "%d [XDP]: %s", |
| QEDE_TXQ_XDP_TO_IDX(edev, txq), |
| qede_tqstats_arr[i].string); |
| else |
| sprintf(*buf, "%d: %s", txq->index, |
| qede_tqstats_arr[i].string); |
| *buf += ETH_GSTRING_LEN; |
| } |
| } |
| |
| static void qede_get_strings_stats_rxq(struct qede_dev *edev, |
| struct qede_rx_queue *rxq, u8 **buf) |
| { |
| int i; |
| |
| for (i = 0; i < QEDE_NUM_RQSTATS; i++) { |
| sprintf(*buf, "%d: %s", rxq->rxq_id, |
| qede_rqstats_arr[i].string); |
| *buf += ETH_GSTRING_LEN; |
| } |
| } |
| |
| static void qede_get_strings_stats(struct qede_dev *edev, u8 *buf) |
| { |
| struct qede_fastpath *fp; |
| int i; |
| |
| /* Account for queue statistics */ |
| for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) { |
| fp = &edev->fp_array[i]; |
| |
| if (fp->type & QEDE_FASTPATH_RX) |
| qede_get_strings_stats_rxq(edev, fp->rxq, &buf); |
| |
| if (fp->type & QEDE_FASTPATH_XDP) |
| qede_get_strings_stats_txq(edev, fp->xdp_tx, &buf); |
| |
| if (fp->type & QEDE_FASTPATH_TX) |
| qede_get_strings_stats_txq(edev, fp->txq, &buf); |
| } |
| |
| /* Account for non-queue statistics */ |
| for (i = 0; i < QEDE_NUM_STATS; i++) { |
| if (IS_VF(edev) && qede_stats_arr[i].pf_only) |
| continue; |
| strcpy(buf, qede_stats_arr[i].string); |
| buf += ETH_GSTRING_LEN; |
| } |
| } |
| |
| static void qede_get_strings(struct net_device *dev, u32 stringset, u8 *buf) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| |
| switch (stringset) { |
| case ETH_SS_STATS: |
| qede_get_strings_stats(edev, buf); |
| break; |
| case ETH_SS_PRIV_FLAGS: |
| memcpy(buf, qede_private_arr, |
| ETH_GSTRING_LEN * QEDE_PRI_FLAG_LEN); |
| break; |
| case ETH_SS_TEST: |
| memcpy(buf, qede_tests_str_arr, |
| ETH_GSTRING_LEN * QEDE_ETHTOOL_TEST_MAX); |
| break; |
| default: |
| DP_VERBOSE(edev, QED_MSG_DEBUG, |
| "Unsupported stringset 0x%08x\n", stringset); |
| } |
| } |
| |
| static void qede_get_ethtool_stats_txq(struct qede_tx_queue *txq, u64 **buf) |
| { |
| int i; |
| |
| for (i = 0; i < QEDE_NUM_TQSTATS; i++) { |
| **buf = *((u64 *)(((void *)txq) + qede_tqstats_arr[i].offset)); |
| (*buf)++; |
| } |
| } |
| |
| static void qede_get_ethtool_stats_rxq(struct qede_rx_queue *rxq, u64 **buf) |
| { |
| int i; |
| |
| for (i = 0; i < QEDE_NUM_RQSTATS; i++) { |
| **buf = *((u64 *)(((void *)rxq) + qede_rqstats_arr[i].offset)); |
| (*buf)++; |
| } |
| } |
| |
| static void qede_get_ethtool_stats(struct net_device *dev, |
| struct ethtool_stats *stats, u64 *buf) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| struct qede_fastpath *fp; |
| int i; |
| |
| qede_fill_by_demand_stats(edev); |
| |
| /* Need to protect the access to the fastpath array */ |
| __qede_lock(edev); |
| |
| for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) { |
| fp = &edev->fp_array[i]; |
| |
| if (fp->type & QEDE_FASTPATH_RX) |
| qede_get_ethtool_stats_rxq(fp->rxq, &buf); |
| |
| if (fp->type & QEDE_FASTPATH_XDP) |
| qede_get_ethtool_stats_txq(fp->xdp_tx, &buf); |
| |
| if (fp->type & QEDE_FASTPATH_TX) |
| qede_get_ethtool_stats_txq(fp->txq, &buf); |
| } |
| |
| for (i = 0; i < QEDE_NUM_STATS; i++) { |
| if (IS_VF(edev) && qede_stats_arr[i].pf_only) |
| continue; |
| *buf = *((u64 *)(((void *)&edev->stats) + |
| qede_stats_arr[i].offset)); |
| |
| buf++; |
| } |
| |
| __qede_unlock(edev); |
| } |
| |
| static int qede_get_sset_count(struct net_device *dev, int stringset) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| int num_stats = QEDE_NUM_STATS; |
| |
| switch (stringset) { |
| case ETH_SS_STATS: |
| if (IS_VF(edev)) { |
| int i; |
| |
| for (i = 0; i < QEDE_NUM_STATS; i++) |
| if (qede_stats_arr[i].pf_only) |
| num_stats--; |
| } |
| |
| /* Account for the Regular Tx statistics */ |
| num_stats += QEDE_TSS_COUNT(edev) * QEDE_NUM_TQSTATS; |
| |
| /* Account for the Regular Rx statistics */ |
| num_stats += QEDE_RSS_COUNT(edev) * QEDE_NUM_RQSTATS; |
| |
| /* Account for XDP statistics [if needed] */ |
| if (edev->xdp_prog) |
| num_stats += QEDE_RSS_COUNT(edev) * QEDE_NUM_TQSTATS; |
| return num_stats; |
| |
| case ETH_SS_PRIV_FLAGS: |
| return QEDE_PRI_FLAG_LEN; |
| case ETH_SS_TEST: |
| if (!IS_VF(edev)) |
| return QEDE_ETHTOOL_TEST_MAX; |
| else |
| return 0; |
| default: |
| DP_VERBOSE(edev, QED_MSG_DEBUG, |
| "Unsupported stringset 0x%08x\n", stringset); |
| return -EINVAL; |
| } |
| } |
| |
| static u32 qede_get_priv_flags(struct net_device *dev) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| |
| return (!!(edev->dev_info.common.num_hwfns > 1)) << QEDE_PRI_FLAG_CMT; |
| } |
| |
| struct qede_link_mode_mapping { |
| u32 qed_link_mode; |
| u32 ethtool_link_mode; |
| }; |
| |
| static const struct qede_link_mode_mapping qed_lm_map[] = { |
| {QED_LM_FIBRE_BIT, ETHTOOL_LINK_MODE_FIBRE_BIT}, |
| {QED_LM_Autoneg_BIT, ETHTOOL_LINK_MODE_Autoneg_BIT}, |
| {QED_LM_Asym_Pause_BIT, ETHTOOL_LINK_MODE_Asym_Pause_BIT}, |
| {QED_LM_Pause_BIT, ETHTOOL_LINK_MODE_Pause_BIT}, |
| {QED_LM_1000baseT_Half_BIT, ETHTOOL_LINK_MODE_1000baseT_Half_BIT}, |
| {QED_LM_1000baseT_Full_BIT, ETHTOOL_LINK_MODE_1000baseT_Full_BIT}, |
| {QED_LM_10000baseKR_Full_BIT, ETHTOOL_LINK_MODE_10000baseKR_Full_BIT}, |
| {QED_LM_25000baseKR_Full_BIT, ETHTOOL_LINK_MODE_25000baseKR_Full_BIT}, |
| {QED_LM_40000baseLR4_Full_BIT, ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT}, |
| {QED_LM_50000baseKR2_Full_BIT, ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT}, |
| {QED_LM_100000baseKR4_Full_BIT, |
| ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT}, |
| }; |
| |
| #define QEDE_DRV_TO_ETHTOOL_CAPS(caps, lk_ksettings, name) \ |
| { \ |
| int i; \ |
| \ |
| for (i = 0; i < ARRAY_SIZE(qed_lm_map); i++) { \ |
| if ((caps) & (qed_lm_map[i].qed_link_mode)) \ |
| __set_bit(qed_lm_map[i].ethtool_link_mode,\ |
| lk_ksettings->link_modes.name); \ |
| } \ |
| } |
| |
| #define QEDE_ETHTOOL_TO_DRV_CAPS(caps, lk_ksettings, name) \ |
| { \ |
| int i; \ |
| \ |
| for (i = 0; i < ARRAY_SIZE(qed_lm_map); i++) { \ |
| if (test_bit(qed_lm_map[i].ethtool_link_mode, \ |
| lk_ksettings->link_modes.name)) \ |
| caps |= qed_lm_map[i].qed_link_mode; \ |
| } \ |
| } |
| |
| static int qede_get_link_ksettings(struct net_device *dev, |
| struct ethtool_link_ksettings *cmd) |
| { |
| struct ethtool_link_settings *base = &cmd->base; |
| struct qede_dev *edev = netdev_priv(dev); |
| struct qed_link_output current_link; |
| |
| __qede_lock(edev); |
| |
| memset(¤t_link, 0, sizeof(current_link)); |
| edev->ops->common->get_link(edev->cdev, ¤t_link); |
| |
| ethtool_link_ksettings_zero_link_mode(cmd, supported); |
| QEDE_DRV_TO_ETHTOOL_CAPS(current_link.supported_caps, cmd, supported) |
| |
| ethtool_link_ksettings_zero_link_mode(cmd, advertising); |
| QEDE_DRV_TO_ETHTOOL_CAPS(current_link.advertised_caps, cmd, advertising) |
| |
| ethtool_link_ksettings_zero_link_mode(cmd, lp_advertising); |
| QEDE_DRV_TO_ETHTOOL_CAPS(current_link.lp_caps, cmd, lp_advertising) |
| |
| if ((edev->state == QEDE_STATE_OPEN) && (current_link.link_up)) { |
| base->speed = current_link.speed; |
| base->duplex = current_link.duplex; |
| } else { |
| base->speed = SPEED_UNKNOWN; |
| base->duplex = DUPLEX_UNKNOWN; |
| } |
| |
| __qede_unlock(edev); |
| |
| base->port = current_link.port; |
| base->autoneg = (current_link.autoneg) ? AUTONEG_ENABLE : |
| AUTONEG_DISABLE; |
| |
| return 0; |
| } |
| |
| static int qede_set_link_ksettings(struct net_device *dev, |
| const struct ethtool_link_ksettings *cmd) |
| { |
| const struct ethtool_link_settings *base = &cmd->base; |
| struct qede_dev *edev = netdev_priv(dev); |
| struct qed_link_output current_link; |
| struct qed_link_params params; |
| |
| if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) { |
| DP_INFO(edev, "Link settings are not allowed to be changed\n"); |
| return -EOPNOTSUPP; |
| } |
| memset(¤t_link, 0, sizeof(current_link)); |
| memset(¶ms, 0, sizeof(params)); |
| edev->ops->common->get_link(edev->cdev, ¤t_link); |
| |
| params.override_flags |= QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS; |
| params.override_flags |= QED_LINK_OVERRIDE_SPEED_AUTONEG; |
| if (base->autoneg == AUTONEG_ENABLE) { |
| params.autoneg = true; |
| params.forced_speed = 0; |
| QEDE_ETHTOOL_TO_DRV_CAPS(params.adv_speeds, cmd, advertising) |
| } else { /* forced speed */ |
| params.override_flags |= QED_LINK_OVERRIDE_SPEED_FORCED_SPEED; |
| params.autoneg = false; |
| params.forced_speed = base->speed; |
| switch (base->speed) { |
| case SPEED_10000: |
| if (!(current_link.supported_caps & |
| QED_LM_10000baseKR_Full_BIT)) { |
| DP_INFO(edev, "10G speed not supported\n"); |
| return -EINVAL; |
| } |
| params.adv_speeds = QED_LM_10000baseKR_Full_BIT; |
| break; |
| case SPEED_25000: |
| if (!(current_link.supported_caps & |
| QED_LM_25000baseKR_Full_BIT)) { |
| DP_INFO(edev, "25G speed not supported\n"); |
| return -EINVAL; |
| } |
| params.adv_speeds = QED_LM_25000baseKR_Full_BIT; |
| break; |
| case SPEED_40000: |
| if (!(current_link.supported_caps & |
| QED_LM_40000baseLR4_Full_BIT)) { |
| DP_INFO(edev, "40G speed not supported\n"); |
| return -EINVAL; |
| } |
| params.adv_speeds = QED_LM_40000baseLR4_Full_BIT; |
| break; |
| case SPEED_50000: |
| if (!(current_link.supported_caps & |
| QED_LM_50000baseKR2_Full_BIT)) { |
| DP_INFO(edev, "50G speed not supported\n"); |
| return -EINVAL; |
| } |
| params.adv_speeds = QED_LM_50000baseKR2_Full_BIT; |
| break; |
| case SPEED_100000: |
| if (!(current_link.supported_caps & |
| QED_LM_100000baseKR4_Full_BIT)) { |
| DP_INFO(edev, "100G speed not supported\n"); |
| return -EINVAL; |
| } |
| params.adv_speeds = QED_LM_100000baseKR4_Full_BIT; |
| break; |
| default: |
| DP_INFO(edev, "Unsupported speed %u\n", base->speed); |
| return -EINVAL; |
| } |
| } |
| |
| params.link_up = true; |
| edev->ops->common->set_link(edev->cdev, ¶ms); |
| |
| return 0; |
| } |
| |
| static void qede_get_drvinfo(struct net_device *ndev, |
| struct ethtool_drvinfo *info) |
| { |
| char mfw[ETHTOOL_FWVERS_LEN], storm[ETHTOOL_FWVERS_LEN]; |
| struct qede_dev *edev = netdev_priv(ndev); |
| |
| strlcpy(info->driver, "qede", sizeof(info->driver)); |
| strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); |
| |
| snprintf(storm, ETHTOOL_FWVERS_LEN, "%d.%d.%d.%d", |
| edev->dev_info.common.fw_major, |
| edev->dev_info.common.fw_minor, |
| edev->dev_info.common.fw_rev, |
| edev->dev_info.common.fw_eng); |
| |
| snprintf(mfw, ETHTOOL_FWVERS_LEN, "%d.%d.%d.%d", |
| (edev->dev_info.common.mfw_rev >> 24) & 0xFF, |
| (edev->dev_info.common.mfw_rev >> 16) & 0xFF, |
| (edev->dev_info.common.mfw_rev >> 8) & 0xFF, |
| edev->dev_info.common.mfw_rev & 0xFF); |
| |
| if ((strlen(storm) + strlen(mfw) + strlen("mfw storm ")) < |
| sizeof(info->fw_version)) { |
| snprintf(info->fw_version, sizeof(info->fw_version), |
| "mfw %s storm %s", mfw, storm); |
| } else { |
| snprintf(info->fw_version, sizeof(info->fw_version), |
| "%s %s", mfw, storm); |
| } |
| |
| strlcpy(info->bus_info, pci_name(edev->pdev), sizeof(info->bus_info)); |
| } |
| |
| static void qede_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) |
| { |
| struct qede_dev *edev = netdev_priv(ndev); |
| |
| if (edev->dev_info.common.wol_support) { |
| wol->supported = WAKE_MAGIC; |
| wol->wolopts = edev->wol_enabled ? WAKE_MAGIC : 0; |
| } |
| } |
| |
| static int qede_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) |
| { |
| struct qede_dev *edev = netdev_priv(ndev); |
| bool wol_requested; |
| int rc; |
| |
| if (wol->wolopts & ~WAKE_MAGIC) { |
| DP_INFO(edev, |
| "Can't support WoL options other than magic-packet\n"); |
| return -EINVAL; |
| } |
| |
| wol_requested = !!(wol->wolopts & WAKE_MAGIC); |
| if (wol_requested == edev->wol_enabled) |
| return 0; |
| |
| /* Need to actually change configuration */ |
| if (!edev->dev_info.common.wol_support) { |
| DP_INFO(edev, "Device doesn't support WoL\n"); |
| return -EINVAL; |
| } |
| |
| rc = edev->ops->common->update_wol(edev->cdev, wol_requested); |
| if (!rc) |
| edev->wol_enabled = wol_requested; |
| |
| return rc; |
| } |
| |
| static u32 qede_get_msglevel(struct net_device *ndev) |
| { |
| struct qede_dev *edev = netdev_priv(ndev); |
| |
| return ((u32)edev->dp_level << QED_LOG_LEVEL_SHIFT) | edev->dp_module; |
| } |
| |
| static void qede_set_msglevel(struct net_device *ndev, u32 level) |
| { |
| struct qede_dev *edev = netdev_priv(ndev); |
| u32 dp_module = 0; |
| u8 dp_level = 0; |
| |
| qede_config_debug(level, &dp_module, &dp_level); |
| |
| edev->dp_level = dp_level; |
| edev->dp_module = dp_module; |
| edev->ops->common->update_msglvl(edev->cdev, |
| dp_module, dp_level); |
| } |
| |
| static int qede_nway_reset(struct net_device *dev) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| struct qed_link_output current_link; |
| struct qed_link_params link_params; |
| |
| if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) { |
| DP_INFO(edev, "Link settings are not allowed to be changed\n"); |
| return -EOPNOTSUPP; |
| } |
| |
| if (!netif_running(dev)) |
| return 0; |
| |
| memset(¤t_link, 0, sizeof(current_link)); |
| edev->ops->common->get_link(edev->cdev, ¤t_link); |
| if (!current_link.link_up) |
| return 0; |
| |
| /* Toggle the link */ |
| memset(&link_params, 0, sizeof(link_params)); |
| link_params.link_up = false; |
| edev->ops->common->set_link(edev->cdev, &link_params); |
| link_params.link_up = true; |
| edev->ops->common->set_link(edev->cdev, &link_params); |
| |
| return 0; |
| } |
| |
| static u32 qede_get_link(struct net_device *dev) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| struct qed_link_output current_link; |
| |
| memset(¤t_link, 0, sizeof(current_link)); |
| edev->ops->common->get_link(edev->cdev, ¤t_link); |
| |
| return current_link.link_up; |
| } |
| |
| static int qede_get_coalesce(struct net_device *dev, |
| struct ethtool_coalesce *coal) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| u16 rxc, txc; |
| |
| memset(coal, 0, sizeof(struct ethtool_coalesce)); |
| edev->ops->common->get_coalesce(edev->cdev, &rxc, &txc); |
| |
| coal->rx_coalesce_usecs = rxc; |
| coal->tx_coalesce_usecs = txc; |
| |
| return 0; |
| } |
| |
| static int qede_set_coalesce(struct net_device *dev, |
| struct ethtool_coalesce *coal) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| int i, rc = 0; |
| u16 rxc, txc; |
| u8 sb_id; |
| |
| if (!netif_running(dev)) { |
| DP_INFO(edev, "Interface is down\n"); |
| return -EINVAL; |
| } |
| |
| if (coal->rx_coalesce_usecs > QED_COALESCE_MAX || |
| coal->tx_coalesce_usecs > QED_COALESCE_MAX) { |
| DP_INFO(edev, |
| "Can't support requested %s coalesce value [max supported value %d]\n", |
| coal->rx_coalesce_usecs > QED_COALESCE_MAX ? "rx" |
| : "tx", |
| QED_COALESCE_MAX); |
| return -EINVAL; |
| } |
| |
| rxc = (u16)coal->rx_coalesce_usecs; |
| txc = (u16)coal->tx_coalesce_usecs; |
| for_each_queue(i) { |
| sb_id = edev->fp_array[i].sb_info->igu_sb_id; |
| rc = edev->ops->common->set_coalesce(edev->cdev, rxc, txc, |
| (u8)i, sb_id); |
| if (rc) { |
| DP_INFO(edev, "Set coalesce error, rc = %d\n", rc); |
| return rc; |
| } |
| } |
| |
| return rc; |
| } |
| |
| static void qede_get_ringparam(struct net_device *dev, |
| struct ethtool_ringparam *ering) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| |
| ering->rx_max_pending = NUM_RX_BDS_MAX; |
| ering->rx_pending = edev->q_num_rx_buffers; |
| ering->tx_max_pending = NUM_TX_BDS_MAX; |
| ering->tx_pending = edev->q_num_tx_buffers; |
| } |
| |
| static int qede_set_ringparam(struct net_device *dev, |
| struct ethtool_ringparam *ering) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| |
| DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), |
| "Set ring params command parameters: rx_pending = %d, tx_pending = %d\n", |
| ering->rx_pending, ering->tx_pending); |
| |
| /* Validate legality of configuration */ |
| if (ering->rx_pending > NUM_RX_BDS_MAX || |
| ering->rx_pending < NUM_RX_BDS_MIN || |
| ering->tx_pending > NUM_TX_BDS_MAX || |
| ering->tx_pending < NUM_TX_BDS_MIN) { |
| DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), |
| "Can only support Rx Buffer size [0%08x,...,0x%08x] and Tx Buffer size [0x%08x,...,0x%08x]\n", |
| NUM_RX_BDS_MIN, NUM_RX_BDS_MAX, |
| NUM_TX_BDS_MIN, NUM_TX_BDS_MAX); |
| return -EINVAL; |
| } |
| |
| /* Change ring size and re-load */ |
| edev->q_num_rx_buffers = ering->rx_pending; |
| edev->q_num_tx_buffers = ering->tx_pending; |
| |
| qede_reload(edev, NULL, false); |
| |
| return 0; |
| } |
| |
| static void qede_get_pauseparam(struct net_device *dev, |
| struct ethtool_pauseparam *epause) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| struct qed_link_output current_link; |
| |
| memset(¤t_link, 0, sizeof(current_link)); |
| edev->ops->common->get_link(edev->cdev, ¤t_link); |
| |
| if (current_link.pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE) |
| epause->autoneg = true; |
| if (current_link.pause_config & QED_LINK_PAUSE_RX_ENABLE) |
| epause->rx_pause = true; |
| if (current_link.pause_config & QED_LINK_PAUSE_TX_ENABLE) |
| epause->tx_pause = true; |
| |
| DP_VERBOSE(edev, QED_MSG_DEBUG, |
| "ethtool_pauseparam: cmd %d autoneg %d rx_pause %d tx_pause %d\n", |
| epause->cmd, epause->autoneg, epause->rx_pause, |
| epause->tx_pause); |
| } |
| |
| static int qede_set_pauseparam(struct net_device *dev, |
| struct ethtool_pauseparam *epause) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| struct qed_link_params params; |
| struct qed_link_output current_link; |
| |
| if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) { |
| DP_INFO(edev, |
| "Pause settings are not allowed to be changed\n"); |
| return -EOPNOTSUPP; |
| } |
| |
| memset(¤t_link, 0, sizeof(current_link)); |
| edev->ops->common->get_link(edev->cdev, ¤t_link); |
| |
| memset(¶ms, 0, sizeof(params)); |
| params.override_flags |= QED_LINK_OVERRIDE_PAUSE_CONFIG; |
| if (epause->autoneg) { |
| if (!(current_link.supported_caps & QED_LM_Autoneg_BIT)) { |
| DP_INFO(edev, "autoneg not supported\n"); |
| return -EINVAL; |
| } |
| params.pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE; |
| } |
| if (epause->rx_pause) |
| params.pause_config |= QED_LINK_PAUSE_RX_ENABLE; |
| if (epause->tx_pause) |
| params.pause_config |= QED_LINK_PAUSE_TX_ENABLE; |
| |
| params.link_up = true; |
| edev->ops->common->set_link(edev->cdev, ¶ms); |
| |
| return 0; |
| } |
| |
| static void qede_get_regs(struct net_device *ndev, |
| struct ethtool_regs *regs, void *buffer) |
| { |
| struct qede_dev *edev = netdev_priv(ndev); |
| |
| regs->version = 0; |
| memset(buffer, 0, regs->len); |
| |
| if (edev->ops && edev->ops->common) |
| edev->ops->common->dbg_all_data(edev->cdev, buffer); |
| } |
| |
| static int qede_get_regs_len(struct net_device *ndev) |
| { |
| struct qede_dev *edev = netdev_priv(ndev); |
| |
| if (edev->ops && edev->ops->common) |
| return edev->ops->common->dbg_all_data_size(edev->cdev); |
| else |
| return -EINVAL; |
| } |
| |
| static void qede_update_mtu(struct qede_dev *edev, |
| struct qede_reload_args *args) |
| { |
| edev->ndev->mtu = args->u.mtu; |
| } |
| |
| /* Netdevice NDOs */ |
| int qede_change_mtu(struct net_device *ndev, int new_mtu) |
| { |
| struct qede_dev *edev = netdev_priv(ndev); |
| struct qede_reload_args args; |
| |
| DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), |
| "Configuring MTU size of %d\n", new_mtu); |
| |
| /* Set the mtu field and re-start the interface if needed */ |
| args.u.mtu = new_mtu; |
| args.func = &qede_update_mtu; |
| qede_reload(edev, &args, false); |
| |
| edev->ops->common->update_mtu(edev->cdev, new_mtu); |
| |
| return 0; |
| } |
| |
| static void qede_get_channels(struct net_device *dev, |
| struct ethtool_channels *channels) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| |
| channels->max_combined = QEDE_MAX_RSS_CNT(edev); |
| channels->max_rx = QEDE_MAX_RSS_CNT(edev); |
| channels->max_tx = QEDE_MAX_RSS_CNT(edev); |
| channels->combined_count = QEDE_QUEUE_CNT(edev) - edev->fp_num_tx - |
| edev->fp_num_rx; |
| channels->tx_count = edev->fp_num_tx; |
| channels->rx_count = edev->fp_num_rx; |
| } |
| |
| static int qede_set_channels(struct net_device *dev, |
| struct ethtool_channels *channels) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| u32 count; |
| |
| DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), |
| "set-channels command parameters: rx = %d, tx = %d, other = %d, combined = %d\n", |
| channels->rx_count, channels->tx_count, |
| channels->other_count, channels->combined_count); |
| |
| count = channels->rx_count + channels->tx_count + |
| channels->combined_count; |
| |
| /* We don't support `other' channels */ |
| if (channels->other_count) { |
| DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), |
| "command parameters not supported\n"); |
| return -EINVAL; |
| } |
| |
| if (!(channels->combined_count || (channels->rx_count && |
| channels->tx_count))) { |
| DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), |
| "need to request at least one transmit and one receive channel\n"); |
| return -EINVAL; |
| } |
| |
| if (count > QEDE_MAX_RSS_CNT(edev)) { |
| DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), |
| "requested channels = %d max supported channels = %d\n", |
| count, QEDE_MAX_RSS_CNT(edev)); |
| return -EINVAL; |
| } |
| |
| /* Check if there was a change in the active parameters */ |
| if ((count == QEDE_QUEUE_CNT(edev)) && |
| (channels->tx_count == edev->fp_num_tx) && |
| (channels->rx_count == edev->fp_num_rx)) { |
| DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), |
| "No change in active parameters\n"); |
| return 0; |
| } |
| |
| /* We need the number of queues to be divisible between the hwfns */ |
| if ((count % edev->dev_info.common.num_hwfns) || |
| (channels->tx_count % edev->dev_info.common.num_hwfns) || |
| (channels->rx_count % edev->dev_info.common.num_hwfns)) { |
| DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), |
| "Number of channels must be divisible by %04x\n", |
| edev->dev_info.common.num_hwfns); |
| return -EINVAL; |
| } |
| |
| /* Set number of queues and reload if necessary */ |
| edev->req_queues = count; |
| edev->req_num_tx = channels->tx_count; |
| edev->req_num_rx = channels->rx_count; |
| /* Reset the indirection table if rx queue count is updated */ |
| if ((edev->req_queues - edev->req_num_tx) != QEDE_RSS_COUNT(edev)) { |
| edev->rss_params_inited &= ~QEDE_RSS_INDIR_INITED; |
| memset(edev->rss_ind_table, 0, sizeof(edev->rss_ind_table)); |
| } |
| |
| qede_reload(edev, NULL, false); |
| |
| return 0; |
| } |
| |
| static int qede_get_ts_info(struct net_device *dev, |
| struct ethtool_ts_info *info) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| |
| return qede_ptp_get_ts_info(edev, info); |
| } |
| |
| static int qede_set_phys_id(struct net_device *dev, |
| enum ethtool_phys_id_state state) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| u8 led_state = 0; |
| |
| switch (state) { |
| case ETHTOOL_ID_ACTIVE: |
| return 1; /* cycle on/off once per second */ |
| |
| case ETHTOOL_ID_ON: |
| led_state = QED_LED_MODE_ON; |
| break; |
| |
| case ETHTOOL_ID_OFF: |
| led_state = QED_LED_MODE_OFF; |
| break; |
| |
| case ETHTOOL_ID_INACTIVE: |
| led_state = QED_LED_MODE_RESTORE; |
| break; |
| } |
| |
| edev->ops->common->set_led(edev->cdev, led_state); |
| |
| return 0; |
| } |
| |
| static int qede_get_rss_flags(struct qede_dev *edev, struct ethtool_rxnfc *info) |
| { |
| info->data = RXH_IP_SRC | RXH_IP_DST; |
| |
| switch (info->flow_type) { |
| case TCP_V4_FLOW: |
| case TCP_V6_FLOW: |
| info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; |
| break; |
| case UDP_V4_FLOW: |
| if (edev->rss_caps & QED_RSS_IPV4_UDP) |
| info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; |
| break; |
| case UDP_V6_FLOW: |
| if (edev->rss_caps & QED_RSS_IPV6_UDP) |
| info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; |
| break; |
| case IPV4_FLOW: |
| case IPV6_FLOW: |
| break; |
| default: |
| info->data = 0; |
| break; |
| } |
| |
| return 0; |
| } |
| |
| static int qede_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, |
| u32 *rules __always_unused) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| |
| switch (info->cmd) { |
| case ETHTOOL_GRXRINGS: |
| info->data = QEDE_RSS_COUNT(edev); |
| return 0; |
| case ETHTOOL_GRXFH: |
| return qede_get_rss_flags(edev, info); |
| default: |
| DP_ERR(edev, "Command parameters not supported\n"); |
| return -EOPNOTSUPP; |
| } |
| } |
| |
| static int qede_set_rss_flags(struct qede_dev *edev, struct ethtool_rxnfc *info) |
| { |
| struct qed_update_vport_params *vport_update_params; |
| u8 set_caps = 0, clr_caps = 0; |
| int rc = 0; |
| |
| DP_VERBOSE(edev, QED_MSG_DEBUG, |
| "Set rss flags command parameters: flow type = %d, data = %llu\n", |
| info->flow_type, info->data); |
| |
| switch (info->flow_type) { |
| case TCP_V4_FLOW: |
| case TCP_V6_FLOW: |
| /* For TCP only 4-tuple hash is supported */ |
| if (info->data ^ (RXH_IP_SRC | RXH_IP_DST | |
| RXH_L4_B_0_1 | RXH_L4_B_2_3)) { |
| DP_INFO(edev, "Command parameters not supported\n"); |
| return -EINVAL; |
| } |
| return 0; |
| case UDP_V4_FLOW: |
| /* For UDP either 2-tuple hash or 4-tuple hash is supported */ |
| if (info->data == (RXH_IP_SRC | RXH_IP_DST | |
| RXH_L4_B_0_1 | RXH_L4_B_2_3)) { |
| set_caps = QED_RSS_IPV4_UDP; |
| DP_VERBOSE(edev, QED_MSG_DEBUG, |
| "UDP 4-tuple enabled\n"); |
| } else if (info->data == (RXH_IP_SRC | RXH_IP_DST)) { |
| clr_caps = QED_RSS_IPV4_UDP; |
| DP_VERBOSE(edev, QED_MSG_DEBUG, |
| "UDP 4-tuple disabled\n"); |
| } else { |
| return -EINVAL; |
| } |
| break; |
| case UDP_V6_FLOW: |
| /* For UDP either 2-tuple hash or 4-tuple hash is supported */ |
| if (info->data == (RXH_IP_SRC | RXH_IP_DST | |
| RXH_L4_B_0_1 | RXH_L4_B_2_3)) { |
| set_caps = QED_RSS_IPV6_UDP; |
| DP_VERBOSE(edev, QED_MSG_DEBUG, |
| "UDP 4-tuple enabled\n"); |
| } else if (info->data == (RXH_IP_SRC | RXH_IP_DST)) { |
| clr_caps = QED_RSS_IPV6_UDP; |
| DP_VERBOSE(edev, QED_MSG_DEBUG, |
| "UDP 4-tuple disabled\n"); |
| } else { |
| return -EINVAL; |
| } |
| break; |
| case IPV4_FLOW: |
| case IPV6_FLOW: |
| /* For IP only 2-tuple hash is supported */ |
| if (info->data ^ (RXH_IP_SRC | RXH_IP_DST)) { |
| DP_INFO(edev, "Command parameters not supported\n"); |
| return -EINVAL; |
| } |
| return 0; |
| case SCTP_V4_FLOW: |
| case AH_ESP_V4_FLOW: |
| case AH_V4_FLOW: |
| case ESP_V4_FLOW: |
| case SCTP_V6_FLOW: |
| case AH_ESP_V6_FLOW: |
| case AH_V6_FLOW: |
| case ESP_V6_FLOW: |
| case IP_USER_FLOW: |
| case ETHER_FLOW: |
| /* RSS is not supported for these protocols */ |
| if (info->data) { |
| DP_INFO(edev, "Command parameters not supported\n"); |
| return -EINVAL; |
| } |
| return 0; |
| default: |
| return -EINVAL; |
| } |
| |
| /* No action is needed if there is no change in the rss capability */ |
| if (edev->rss_caps == ((edev->rss_caps & ~clr_caps) | set_caps)) |
| return 0; |
| |
| /* Update internal configuration */ |
| edev->rss_caps = ((edev->rss_caps & ~clr_caps) | set_caps); |
| edev->rss_params_inited |= QEDE_RSS_CAPS_INITED; |
| |
| /* Re-configure if possible */ |
| __qede_lock(edev); |
| if (edev->state == QEDE_STATE_OPEN) { |
| vport_update_params = vzalloc(sizeof(*vport_update_params)); |
| if (!vport_update_params) { |
| __qede_unlock(edev); |
| return -ENOMEM; |
| } |
| qede_fill_rss_params(edev, &vport_update_params->rss_params, |
| &vport_update_params->update_rss_flg); |
| rc = edev->ops->vport_update(edev->cdev, vport_update_params); |
| vfree(vport_update_params); |
| } |
| __qede_unlock(edev); |
| |
| return rc; |
| } |
| |
| static int qede_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| |
| switch (info->cmd) { |
| case ETHTOOL_SRXFH: |
| return qede_set_rss_flags(edev, info); |
| default: |
| DP_INFO(edev, "Command parameters not supported\n"); |
| return -EOPNOTSUPP; |
| } |
| } |
| |
| static u32 qede_get_rxfh_indir_size(struct net_device *dev) |
| { |
| return QED_RSS_IND_TABLE_SIZE; |
| } |
| |
| static u32 qede_get_rxfh_key_size(struct net_device *dev) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| |
| return sizeof(edev->rss_key); |
| } |
| |
| static int qede_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, u8 *hfunc) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| int i; |
| |
| if (hfunc) |
| *hfunc = ETH_RSS_HASH_TOP; |
| |
| if (!indir) |
| return 0; |
| |
| for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++) |
| indir[i] = edev->rss_ind_table[i]; |
| |
| if (key) |
| memcpy(key, edev->rss_key, qede_get_rxfh_key_size(dev)); |
| |
| return 0; |
| } |
| |
| static int qede_set_rxfh(struct net_device *dev, const u32 *indir, |
| const u8 *key, const u8 hfunc) |
| { |
| struct qed_update_vport_params *vport_update_params; |
| struct qede_dev *edev = netdev_priv(dev); |
| int i, rc = 0; |
| |
| if (edev->dev_info.common.num_hwfns > 1) { |
| DP_INFO(edev, |
| "RSS configuration is not supported for 100G devices\n"); |
| return -EOPNOTSUPP; |
| } |
| |
| if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) |
| return -EOPNOTSUPP; |
| |
| if (!indir && !key) |
| return 0; |
| |
| if (indir) { |
| for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++) |
| edev->rss_ind_table[i] = indir[i]; |
| edev->rss_params_inited |= QEDE_RSS_INDIR_INITED; |
| } |
| |
| if (key) { |
| memcpy(&edev->rss_key, key, qede_get_rxfh_key_size(dev)); |
| edev->rss_params_inited |= QEDE_RSS_KEY_INITED; |
| } |
| |
| __qede_lock(edev); |
| if (edev->state == QEDE_STATE_OPEN) { |
| vport_update_params = vzalloc(sizeof(*vport_update_params)); |
| if (!vport_update_params) { |
| __qede_unlock(edev); |
| return -ENOMEM; |
| } |
| qede_fill_rss_params(edev, &vport_update_params->rss_params, |
| &vport_update_params->update_rss_flg); |
| rc = edev->ops->vport_update(edev->cdev, vport_update_params); |
| vfree(vport_update_params); |
| } |
| __qede_unlock(edev); |
| |
| return rc; |
| } |
| |
| /* This function enables the interrupt generation and the NAPI on the device */ |
| static void qede_netif_start(struct qede_dev *edev) |
| { |
| int i; |
| |
| if (!netif_running(edev->ndev)) |
| return; |
| |
| for_each_queue(i) { |
| /* Update and reenable interrupts */ |
| qed_sb_ack(edev->fp_array[i].sb_info, IGU_INT_ENABLE, 1); |
| napi_enable(&edev->fp_array[i].napi); |
| } |
| } |
| |
| /* This function disables the NAPI and the interrupt generation on the device */ |
| static void qede_netif_stop(struct qede_dev *edev) |
| { |
| int i; |
| |
| for_each_queue(i) { |
| napi_disable(&edev->fp_array[i].napi); |
| /* Disable interrupts */ |
| qed_sb_ack(edev->fp_array[i].sb_info, IGU_INT_DISABLE, 0); |
| } |
| } |
| |
| static int qede_selftest_transmit_traffic(struct qede_dev *edev, |
| struct sk_buff *skb) |
| { |
| struct qede_tx_queue *txq = NULL; |
| struct eth_tx_1st_bd *first_bd; |
| dma_addr_t mapping; |
| int i, idx, val; |
| |
| for_each_queue(i) { |
| if (edev->fp_array[i].type & QEDE_FASTPATH_TX) { |
| txq = edev->fp_array[i].txq; |
| break; |
| } |
| } |
| |
| if (!txq) { |
| DP_NOTICE(edev, "Tx path is not available\n"); |
| return -1; |
| } |
| |
| /* Fill the entry in the SW ring and the BDs in the FW ring */ |
| idx = txq->sw_tx_prod & NUM_TX_BDS_MAX; |
| txq->sw_tx_ring.skbs[idx].skb = skb; |
| first_bd = qed_chain_produce(&txq->tx_pbl); |
| memset(first_bd, 0, sizeof(*first_bd)); |
| val = 1 << ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT; |
| first_bd->data.bd_flags.bitfields = val; |
| val = skb->len & ETH_TX_DATA_1ST_BD_PKT_LEN_MASK; |
| first_bd->data.bitfields |= (val << ETH_TX_DATA_1ST_BD_PKT_LEN_SHIFT); |
| |
| /* Map skb linear data for DMA and set in the first BD */ |
| mapping = dma_map_single(&edev->pdev->dev, skb->data, |
| skb_headlen(skb), DMA_TO_DEVICE); |
| if (unlikely(dma_mapping_error(&edev->pdev->dev, mapping))) { |
| DP_NOTICE(edev, "SKB mapping failed\n"); |
| return -ENOMEM; |
| } |
| BD_SET_UNMAP_ADDR_LEN(first_bd, mapping, skb_headlen(skb)); |
| |
| /* update the first BD with the actual num BDs */ |
| first_bd->data.nbds = 1; |
| txq->sw_tx_prod++; |
| /* 'next page' entries are counted in the producer value */ |
| val = cpu_to_le16(qed_chain_get_prod_idx(&txq->tx_pbl)); |
| txq->tx_db.data.bd_prod = val; |
| |
| /* wmb makes sure that the BDs data is updated before updating the |
| * producer, otherwise FW may read old data from the BDs. |
| */ |
| wmb(); |
| barrier(); |
| writel(txq->tx_db.raw, txq->doorbell_addr); |
| |
| /* mmiowb is needed to synchronize doorbell writes from more than one |
| * processor. It guarantees that the write arrives to the device before |
| * the queue lock is released and another start_xmit is called (possibly |
| * on another CPU). Without this barrier, the next doorbell can bypass |
| * this doorbell. This is applicable to IA64/Altix systems. |
| */ |
| mmiowb(); |
| |
| for (i = 0; i < QEDE_SELFTEST_POLL_COUNT; i++) { |
| if (qede_txq_has_work(txq)) |
| break; |
| usleep_range(100, 200); |
| } |
| |
| if (!qede_txq_has_work(txq)) { |
| DP_NOTICE(edev, "Tx completion didn't happen\n"); |
| return -1; |
| } |
| |
| first_bd = (struct eth_tx_1st_bd *)qed_chain_consume(&txq->tx_pbl); |
| dma_unmap_single(&edev->pdev->dev, BD_UNMAP_ADDR(first_bd), |
| BD_UNMAP_LEN(first_bd), DMA_TO_DEVICE); |
| txq->sw_tx_cons++; |
| txq->sw_tx_ring.skbs[idx].skb = NULL; |
| |
| return 0; |
| } |
| |
| static int qede_selftest_receive_traffic(struct qede_dev *edev) |
| { |
| u16 hw_comp_cons, sw_comp_cons, sw_rx_index, len; |
| struct eth_fast_path_rx_reg_cqe *fp_cqe; |
| struct qede_rx_queue *rxq = NULL; |
| struct sw_rx_data *sw_rx_data; |
| union eth_rx_cqe *cqe; |
| int i, iter, rc = 0; |
| u8 *data_ptr; |
| |
| for_each_queue(i) { |
| if (edev->fp_array[i].type & QEDE_FASTPATH_RX) { |
| rxq = edev->fp_array[i].rxq; |
| break; |
| } |
| } |
| |
| if (!rxq) { |
| DP_NOTICE(edev, "Rx path is not available\n"); |
| return -1; |
| } |
| |
| /* The packet is expected to receive on rx-queue 0 even though RSS is |
| * enabled. This is because the queue 0 is configured as the default |
| * queue and that the loopback traffic is not IP. |
| */ |
| for (iter = 0; iter < QEDE_SELFTEST_POLL_COUNT; iter++) { |
| if (!qede_has_rx_work(rxq)) { |
| usleep_range(100, 200); |
| continue; |
| } |
| |
| hw_comp_cons = le16_to_cpu(*rxq->hw_cons_ptr); |
| sw_comp_cons = qed_chain_get_cons_idx(&rxq->rx_comp_ring); |
| |
| /* Memory barrier to prevent the CPU from doing speculative |
| * reads of CQE/BD before reading hw_comp_cons. If the CQE is |
| * read before it is written by FW, then FW writes CQE and SB, |
| * and then the CPU reads the hw_comp_cons, it will use an old |
| * CQE. |
| */ |
| rmb(); |
| |
| /* Get the CQE from the completion ring */ |
| cqe = (union eth_rx_cqe *)qed_chain_consume(&rxq->rx_comp_ring); |
| |
| /* Get the data from the SW ring */ |
| sw_rx_index = rxq->sw_rx_cons & NUM_RX_BDS_MAX; |
| sw_rx_data = &rxq->sw_rx_ring[sw_rx_index]; |
| fp_cqe = &cqe->fast_path_regular; |
| len = le16_to_cpu(fp_cqe->len_on_first_bd); |
| data_ptr = (u8 *)(page_address(sw_rx_data->data) + |
| fp_cqe->placement_offset + |
| sw_rx_data->page_offset); |
| if (ether_addr_equal(data_ptr, edev->ndev->dev_addr) && |
| ether_addr_equal(data_ptr + ETH_ALEN, |
| edev->ndev->dev_addr)) { |
| for (i = ETH_HLEN; i < len; i++) |
| if (data_ptr[i] != (unsigned char)(i & 0xff)) { |
| rc = -1; |
| break; |
| } |
| |
| qede_recycle_rx_bd_ring(rxq, 1); |
| qed_chain_recycle_consumed(&rxq->rx_comp_ring); |
| break; |
| } |
| |
| DP_INFO(edev, "Not the transmitted packet\n"); |
| qede_recycle_rx_bd_ring(rxq, 1); |
| qed_chain_recycle_consumed(&rxq->rx_comp_ring); |
| } |
| |
| if (iter == QEDE_SELFTEST_POLL_COUNT) { |
| DP_NOTICE(edev, "Failed to receive the traffic\n"); |
| return -1; |
| } |
| |
| qede_update_rx_prod(edev, rxq); |
| |
| return rc; |
| } |
| |
| static int qede_selftest_run_loopback(struct qede_dev *edev, u32 loopback_mode) |
| { |
| struct qed_link_params link_params; |
| struct sk_buff *skb = NULL; |
| int rc = 0, i; |
| u32 pkt_size; |
| u8 *packet; |
| |
| if (!netif_running(edev->ndev)) { |
| DP_NOTICE(edev, "Interface is down\n"); |
| return -EINVAL; |
| } |
| |
| qede_netif_stop(edev); |
| |
| /* Bring up the link in Loopback mode */ |
| memset(&link_params, 0, sizeof(link_params)); |
| link_params.link_up = true; |
| link_params.override_flags = QED_LINK_OVERRIDE_LOOPBACK_MODE; |
| link_params.loopback_mode = loopback_mode; |
| edev->ops->common->set_link(edev->cdev, &link_params); |
| |
| /* Wait for loopback configuration to apply */ |
| msleep_interruptible(500); |
| |
| /* prepare the loopback packet */ |
| pkt_size = edev->ndev->mtu + ETH_HLEN; |
| |
| skb = netdev_alloc_skb(edev->ndev, pkt_size); |
| if (!skb) { |
| DP_INFO(edev, "Can't allocate skb\n"); |
| rc = -ENOMEM; |
| goto test_loopback_exit; |
| } |
| packet = skb_put(skb, pkt_size); |
| ether_addr_copy(packet, edev->ndev->dev_addr); |
| ether_addr_copy(packet + ETH_ALEN, edev->ndev->dev_addr); |
| memset(packet + (2 * ETH_ALEN), 0x77, (ETH_HLEN - (2 * ETH_ALEN))); |
| for (i = ETH_HLEN; i < pkt_size; i++) |
| packet[i] = (unsigned char)(i & 0xff); |
| |
| rc = qede_selftest_transmit_traffic(edev, skb); |
| if (rc) |
| goto test_loopback_exit; |
| |
| rc = qede_selftest_receive_traffic(edev); |
| if (rc) |
| goto test_loopback_exit; |
| |
| DP_VERBOSE(edev, NETIF_MSG_RX_STATUS, "Loopback test successful\n"); |
| |
| test_loopback_exit: |
| dev_kfree_skb(skb); |
| |
| /* Bring up the link in Normal mode */ |
| memset(&link_params, 0, sizeof(link_params)); |
| link_params.link_up = true; |
| link_params.override_flags = QED_LINK_OVERRIDE_LOOPBACK_MODE; |
| link_params.loopback_mode = QED_LINK_LOOPBACK_NONE; |
| edev->ops->common->set_link(edev->cdev, &link_params); |
| |
| /* Wait for loopback configuration to apply */ |
| msleep_interruptible(500); |
| |
| qede_netif_start(edev); |
| |
| return rc; |
| } |
| |
| static void qede_self_test(struct net_device *dev, |
| struct ethtool_test *etest, u64 *buf) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| |
| DP_VERBOSE(edev, QED_MSG_DEBUG, |
| "Self-test command parameters: offline = %d, external_lb = %d\n", |
| (etest->flags & ETH_TEST_FL_OFFLINE), |
| (etest->flags & ETH_TEST_FL_EXTERNAL_LB) >> 2); |
| |
| memset(buf, 0, sizeof(u64) * QEDE_ETHTOOL_TEST_MAX); |
| |
| if (etest->flags & ETH_TEST_FL_OFFLINE) { |
| if (qede_selftest_run_loopback(edev, |
| QED_LINK_LOOPBACK_INT_PHY)) { |
| buf[QEDE_ETHTOOL_INT_LOOPBACK] = 1; |
| etest->flags |= ETH_TEST_FL_FAILED; |
| } |
| } |
| |
| if (edev->ops->common->selftest->selftest_interrupt(edev->cdev)) { |
| buf[QEDE_ETHTOOL_INTERRUPT_TEST] = 1; |
| etest->flags |= ETH_TEST_FL_FAILED; |
| } |
| |
| if (edev->ops->common->selftest->selftest_memory(edev->cdev)) { |
| buf[QEDE_ETHTOOL_MEMORY_TEST] = 1; |
| etest->flags |= ETH_TEST_FL_FAILED; |
| } |
| |
| if (edev->ops->common->selftest->selftest_register(edev->cdev)) { |
| buf[QEDE_ETHTOOL_REGISTER_TEST] = 1; |
| etest->flags |= ETH_TEST_FL_FAILED; |
| } |
| |
| if (edev->ops->common->selftest->selftest_clock(edev->cdev)) { |
| buf[QEDE_ETHTOOL_CLOCK_TEST] = 1; |
| etest->flags |= ETH_TEST_FL_FAILED; |
| } |
| |
| if (edev->ops->common->selftest->selftest_nvram(edev->cdev)) { |
| buf[QEDE_ETHTOOL_NVRAM_TEST] = 1; |
| etest->flags |= ETH_TEST_FL_FAILED; |
| } |
| } |
| |
| static int qede_set_tunable(struct net_device *dev, |
| const struct ethtool_tunable *tuna, |
| const void *data) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| u32 val; |
| |
| switch (tuna->id) { |
| case ETHTOOL_RX_COPYBREAK: |
| val = *(u32 *)data; |
| if (val < QEDE_MIN_PKT_LEN || val > QEDE_RX_HDR_SIZE) { |
| DP_VERBOSE(edev, QED_MSG_DEBUG, |
| "Invalid rx copy break value, range is [%u, %u]", |
| QEDE_MIN_PKT_LEN, QEDE_RX_HDR_SIZE); |
| return -EINVAL; |
| } |
| |
| edev->rx_copybreak = *(u32 *)data; |
| break; |
| default: |
| return -EOPNOTSUPP; |
| } |
| |
| return 0; |
| } |
| |
| static int qede_get_tunable(struct net_device *dev, |
| const struct ethtool_tunable *tuna, void *data) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| |
| switch (tuna->id) { |
| case ETHTOOL_RX_COPYBREAK: |
| *(u32 *)data = edev->rx_copybreak; |
| break; |
| default: |
| return -EOPNOTSUPP; |
| } |
| |
| return 0; |
| } |
| |
| static const struct ethtool_ops qede_ethtool_ops = { |
| .get_link_ksettings = qede_get_link_ksettings, |
| .set_link_ksettings = qede_set_link_ksettings, |
| .get_drvinfo = qede_get_drvinfo, |
| .get_regs_len = qede_get_regs_len, |
| .get_regs = qede_get_regs, |
| .get_wol = qede_get_wol, |
| .set_wol = qede_set_wol, |
| .get_msglevel = qede_get_msglevel, |
| .set_msglevel = qede_set_msglevel, |
| .nway_reset = qede_nway_reset, |
| .get_link = qede_get_link, |
| .get_coalesce = qede_get_coalesce, |
| .set_coalesce = qede_set_coalesce, |
| .get_ringparam = qede_get_ringparam, |
| .set_ringparam = qede_set_ringparam, |
| .get_pauseparam = qede_get_pauseparam, |
| .set_pauseparam = qede_set_pauseparam, |
| .get_strings = qede_get_strings, |
| .set_phys_id = qede_set_phys_id, |
| .get_ethtool_stats = qede_get_ethtool_stats, |
| .get_priv_flags = qede_get_priv_flags, |
| .get_sset_count = qede_get_sset_count, |
| .get_rxnfc = qede_get_rxnfc, |
| .set_rxnfc = qede_set_rxnfc, |
| .get_rxfh_indir_size = qede_get_rxfh_indir_size, |
| .get_rxfh_key_size = qede_get_rxfh_key_size, |
| .get_rxfh = qede_get_rxfh, |
| .set_rxfh = qede_set_rxfh, |
| .get_ts_info = qede_get_ts_info, |
| .get_channels = qede_get_channels, |
| .set_channels = qede_set_channels, |
| .self_test = qede_self_test, |
| .get_tunable = qede_get_tunable, |
| .set_tunable = qede_set_tunable, |
| }; |
| |
| static const struct ethtool_ops qede_vf_ethtool_ops = { |
| .get_link_ksettings = qede_get_link_ksettings, |
| .get_drvinfo = qede_get_drvinfo, |
| .get_msglevel = qede_get_msglevel, |
| .set_msglevel = qede_set_msglevel, |
| .get_link = qede_get_link, |
| .get_ringparam = qede_get_ringparam, |
| .set_ringparam = qede_set_ringparam, |
| .get_strings = qede_get_strings, |
| .get_ethtool_stats = qede_get_ethtool_stats, |
| .get_priv_flags = qede_get_priv_flags, |
| .get_sset_count = qede_get_sset_count, |
| .get_rxnfc = qede_get_rxnfc, |
| .set_rxnfc = qede_set_rxnfc, |
| .get_rxfh_indir_size = qede_get_rxfh_indir_size, |
| .get_rxfh_key_size = qede_get_rxfh_key_size, |
| .get_rxfh = qede_get_rxfh, |
| .set_rxfh = qede_set_rxfh, |
| .get_channels = qede_get_channels, |
| .set_channels = qede_set_channels, |
| .get_tunable = qede_get_tunable, |
| .set_tunable = qede_set_tunable, |
| }; |
| |
| void qede_set_ethtool_ops(struct net_device *dev) |
| { |
| struct qede_dev *edev = netdev_priv(dev); |
| |
| if (IS_VF(edev)) |
| dev->ethtool_ops = &qede_vf_ethtool_ops; |
| else |
| dev->ethtool_ops = &qede_ethtool_ops; |
| } |