| /* |
| * Copyright (c) 2007 Mellanox Technologies. All rights reserved. |
| * |
| * 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/kernel.h> |
| #include <linux/ethtool.h> |
| #include <linux/netdevice.h> |
| #include <linux/mlx4/driver.h> |
| |
| #include "mlx4_en.h" |
| #include "en_port.h" |
| |
| #define EN_ETHTOOL_QP_ATTACH (1ull << 63) |
| #define EN_ETHTOOL_SHORT_MASK cpu_to_be16(0xffff) |
| #define EN_ETHTOOL_WORD_MASK cpu_to_be32(0xffffffff) |
| |
| static void |
| mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| struct mlx4_en_dev *mdev = priv->mdev; |
| |
| strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); |
| strlcpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")", |
| sizeof(drvinfo->version)); |
| snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), |
| "%d.%d.%d", |
| (u16) (mdev->dev->caps.fw_ver >> 32), |
| (u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff), |
| (u16) (mdev->dev->caps.fw_ver & 0xffff)); |
| strlcpy(drvinfo->bus_info, pci_name(mdev->dev->pdev), |
| sizeof(drvinfo->bus_info)); |
| drvinfo->n_stats = 0; |
| drvinfo->regdump_len = 0; |
| drvinfo->eedump_len = 0; |
| } |
| |
| static const char main_strings[][ETH_GSTRING_LEN] = { |
| "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors", |
| "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions", |
| "rx_length_errors", "rx_over_errors", "rx_crc_errors", |
| "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors", |
| "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors", |
| "tx_heartbeat_errors", "tx_window_errors", |
| |
| /* port statistics */ |
| "tso_packets", |
| "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed", |
| "rx_csum_good", "rx_csum_none", "tx_chksum_offload", |
| |
| /* packet statistics */ |
| "broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3", |
| "rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0", |
| "tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5", |
| "tx_prio_6", "tx_prio_7", |
| }; |
| #define NUM_MAIN_STATS 21 |
| #define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS) |
| |
| static const char mlx4_en_test_names[][ETH_GSTRING_LEN]= { |
| "Interrupt Test", |
| "Link Test", |
| "Speed Test", |
| "Register Test", |
| "Loopback Test", |
| }; |
| |
| static u32 mlx4_en_get_msglevel(struct net_device *dev) |
| { |
| return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable; |
| } |
| |
| static void mlx4_en_set_msglevel(struct net_device *dev, u32 val) |
| { |
| ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val; |
| } |
| |
| static void mlx4_en_get_wol(struct net_device *netdev, |
| struct ethtool_wolinfo *wol) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(netdev); |
| int err = 0; |
| u64 config = 0; |
| u64 mask; |
| |
| if ((priv->port < 1) || (priv->port > 2)) { |
| en_err(priv, "Failed to get WoL information\n"); |
| return; |
| } |
| |
| mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 : |
| MLX4_DEV_CAP_FLAG_WOL_PORT2; |
| |
| if (!(priv->mdev->dev->caps.flags & mask)) { |
| wol->supported = 0; |
| wol->wolopts = 0; |
| return; |
| } |
| |
| err = mlx4_wol_read(priv->mdev->dev, &config, priv->port); |
| if (err) { |
| en_err(priv, "Failed to get WoL information\n"); |
| return; |
| } |
| |
| if (config & MLX4_EN_WOL_MAGIC) |
| wol->supported = WAKE_MAGIC; |
| else |
| wol->supported = 0; |
| |
| if (config & MLX4_EN_WOL_ENABLED) |
| wol->wolopts = WAKE_MAGIC; |
| else |
| wol->wolopts = 0; |
| } |
| |
| static int mlx4_en_set_wol(struct net_device *netdev, |
| struct ethtool_wolinfo *wol) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(netdev); |
| u64 config = 0; |
| int err = 0; |
| u64 mask; |
| |
| if ((priv->port < 1) || (priv->port > 2)) |
| return -EOPNOTSUPP; |
| |
| mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 : |
| MLX4_DEV_CAP_FLAG_WOL_PORT2; |
| |
| if (!(priv->mdev->dev->caps.flags & mask)) |
| return -EOPNOTSUPP; |
| |
| if (wol->supported & ~WAKE_MAGIC) |
| return -EINVAL; |
| |
| err = mlx4_wol_read(priv->mdev->dev, &config, priv->port); |
| if (err) { |
| en_err(priv, "Failed to get WoL info, unable to modify\n"); |
| return err; |
| } |
| |
| if (wol->wolopts & WAKE_MAGIC) { |
| config |= MLX4_EN_WOL_DO_MODIFY | MLX4_EN_WOL_ENABLED | |
| MLX4_EN_WOL_MAGIC; |
| } else { |
| config &= ~(MLX4_EN_WOL_ENABLED | MLX4_EN_WOL_MAGIC); |
| config |= MLX4_EN_WOL_DO_MODIFY; |
| } |
| |
| err = mlx4_wol_write(priv->mdev->dev, config, priv->port); |
| if (err) |
| en_err(priv, "Failed to set WoL information\n"); |
| |
| return err; |
| } |
| |
| static int mlx4_en_get_sset_count(struct net_device *dev, int sset) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| int bit_count = hweight64(priv->stats_bitmap); |
| |
| switch (sset) { |
| case ETH_SS_STATS: |
| return (priv->stats_bitmap ? bit_count : NUM_ALL_STATS) + |
| (priv->tx_ring_num + priv->rx_ring_num) * 2; |
| case ETH_SS_TEST: |
| return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags |
| & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2; |
| default: |
| return -EOPNOTSUPP; |
| } |
| } |
| |
| static void mlx4_en_get_ethtool_stats(struct net_device *dev, |
| struct ethtool_stats *stats, uint64_t *data) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| int index = 0; |
| int i, j = 0; |
| |
| spin_lock_bh(&priv->stats_lock); |
| |
| if (!(priv->stats_bitmap)) { |
| for (i = 0; i < NUM_MAIN_STATS; i++) |
| data[index++] = |
| ((unsigned long *) &priv->stats)[i]; |
| for (i = 0; i < NUM_PORT_STATS; i++) |
| data[index++] = |
| ((unsigned long *) &priv->port_stats)[i]; |
| for (i = 0; i < NUM_PKT_STATS; i++) |
| data[index++] = |
| ((unsigned long *) &priv->pkstats)[i]; |
| } else { |
| for (i = 0; i < NUM_MAIN_STATS; i++) { |
| if ((priv->stats_bitmap >> j) & 1) |
| data[index++] = |
| ((unsigned long *) &priv->stats)[i]; |
| j++; |
| } |
| for (i = 0; i < NUM_PORT_STATS; i++) { |
| if ((priv->stats_bitmap >> j) & 1) |
| data[index++] = |
| ((unsigned long *) &priv->port_stats)[i]; |
| j++; |
| } |
| } |
| for (i = 0; i < priv->tx_ring_num; i++) { |
| data[index++] = priv->tx_ring[i].packets; |
| data[index++] = priv->tx_ring[i].bytes; |
| } |
| for (i = 0; i < priv->rx_ring_num; i++) { |
| data[index++] = priv->rx_ring[i].packets; |
| data[index++] = priv->rx_ring[i].bytes; |
| } |
| spin_unlock_bh(&priv->stats_lock); |
| |
| } |
| |
| static void mlx4_en_self_test(struct net_device *dev, |
| struct ethtool_test *etest, u64 *buf) |
| { |
| mlx4_en_ex_selftest(dev, &etest->flags, buf); |
| } |
| |
| static void mlx4_en_get_strings(struct net_device *dev, |
| uint32_t stringset, uint8_t *data) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| int index = 0; |
| int i; |
| |
| switch (stringset) { |
| case ETH_SS_TEST: |
| for (i = 0; i < MLX4_EN_NUM_SELF_TEST - 2; i++) |
| strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]); |
| if (priv->mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) |
| for (; i < MLX4_EN_NUM_SELF_TEST; i++) |
| strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]); |
| break; |
| |
| case ETH_SS_STATS: |
| /* Add main counters */ |
| if (!priv->stats_bitmap) { |
| for (i = 0; i < NUM_MAIN_STATS; i++) |
| strcpy(data + (index++) * ETH_GSTRING_LEN, |
| main_strings[i]); |
| for (i = 0; i < NUM_PORT_STATS; i++) |
| strcpy(data + (index++) * ETH_GSTRING_LEN, |
| main_strings[i + |
| NUM_MAIN_STATS]); |
| for (i = 0; i < NUM_PKT_STATS; i++) |
| strcpy(data + (index++) * ETH_GSTRING_LEN, |
| main_strings[i + |
| NUM_MAIN_STATS + |
| NUM_PORT_STATS]); |
| } else |
| for (i = 0; i < NUM_MAIN_STATS + NUM_PORT_STATS; i++) { |
| if ((priv->stats_bitmap >> i) & 1) { |
| strcpy(data + |
| (index++) * ETH_GSTRING_LEN, |
| main_strings[i]); |
| } |
| if (!(priv->stats_bitmap >> i)) |
| break; |
| } |
| for (i = 0; i < priv->tx_ring_num; i++) { |
| sprintf(data + (index++) * ETH_GSTRING_LEN, |
| "tx%d_packets", i); |
| sprintf(data + (index++) * ETH_GSTRING_LEN, |
| "tx%d_bytes", i); |
| } |
| for (i = 0; i < priv->rx_ring_num; i++) { |
| sprintf(data + (index++) * ETH_GSTRING_LEN, |
| "rx%d_packets", i); |
| sprintf(data + (index++) * ETH_GSTRING_LEN, |
| "rx%d_bytes", i); |
| } |
| break; |
| } |
| } |
| |
| static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| int trans_type; |
| |
| cmd->autoneg = AUTONEG_DISABLE; |
| cmd->supported = SUPPORTED_10000baseT_Full; |
| cmd->advertising = ADVERTISED_10000baseT_Full; |
| |
| if (mlx4_en_QUERY_PORT(priv->mdev, priv->port)) |
| return -ENOMEM; |
| |
| trans_type = priv->port_state.transciver; |
| if (netif_carrier_ok(dev)) { |
| ethtool_cmd_speed_set(cmd, priv->port_state.link_speed); |
| cmd->duplex = DUPLEX_FULL; |
| } else { |
| ethtool_cmd_speed_set(cmd, -1); |
| cmd->duplex = -1; |
| } |
| |
| if (trans_type > 0 && trans_type <= 0xC) { |
| cmd->port = PORT_FIBRE; |
| cmd->transceiver = XCVR_EXTERNAL; |
| cmd->supported |= SUPPORTED_FIBRE; |
| cmd->advertising |= ADVERTISED_FIBRE; |
| } else if (trans_type == 0x80 || trans_type == 0) { |
| cmd->port = PORT_TP; |
| cmd->transceiver = XCVR_INTERNAL; |
| cmd->supported |= SUPPORTED_TP; |
| cmd->advertising |= ADVERTISED_TP; |
| } else { |
| cmd->port = -1; |
| cmd->transceiver = -1; |
| } |
| return 0; |
| } |
| |
| static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| { |
| if ((cmd->autoneg == AUTONEG_ENABLE) || |
| (ethtool_cmd_speed(cmd) != SPEED_10000) || |
| (cmd->duplex != DUPLEX_FULL)) |
| return -EINVAL; |
| |
| /* Nothing to change */ |
| return 0; |
| } |
| |
| static int mlx4_en_get_coalesce(struct net_device *dev, |
| struct ethtool_coalesce *coal) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| |
| coal->tx_coalesce_usecs = priv->tx_usecs; |
| coal->tx_max_coalesced_frames = priv->tx_frames; |
| coal->rx_coalesce_usecs = priv->rx_usecs; |
| coal->rx_max_coalesced_frames = priv->rx_frames; |
| |
| coal->pkt_rate_low = priv->pkt_rate_low; |
| coal->rx_coalesce_usecs_low = priv->rx_usecs_low; |
| coal->pkt_rate_high = priv->pkt_rate_high; |
| coal->rx_coalesce_usecs_high = priv->rx_usecs_high; |
| coal->rate_sample_interval = priv->sample_interval; |
| coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal; |
| return 0; |
| } |
| |
| static int mlx4_en_set_coalesce(struct net_device *dev, |
| struct ethtool_coalesce *coal) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| int err, i; |
| |
| priv->rx_frames = (coal->rx_max_coalesced_frames == |
| MLX4_EN_AUTO_CONF) ? |
| MLX4_EN_RX_COAL_TARGET : |
| coal->rx_max_coalesced_frames; |
| priv->rx_usecs = (coal->rx_coalesce_usecs == |
| MLX4_EN_AUTO_CONF) ? |
| MLX4_EN_RX_COAL_TIME : |
| coal->rx_coalesce_usecs; |
| |
| /* Setting TX coalescing parameters */ |
| if (coal->tx_coalesce_usecs != priv->tx_usecs || |
| coal->tx_max_coalesced_frames != priv->tx_frames) { |
| priv->tx_usecs = coal->tx_coalesce_usecs; |
| priv->tx_frames = coal->tx_max_coalesced_frames; |
| for (i = 0; i < priv->tx_ring_num; i++) { |
| priv->tx_cq[i].moder_cnt = priv->tx_frames; |
| priv->tx_cq[i].moder_time = priv->tx_usecs; |
| if (mlx4_en_set_cq_moder(priv, &priv->tx_cq[i])) { |
| en_warn(priv, "Failed changing moderation " |
| "for TX cq %d\n", i); |
| } |
| } |
| } |
| |
| /* Set adaptive coalescing params */ |
| priv->pkt_rate_low = coal->pkt_rate_low; |
| priv->rx_usecs_low = coal->rx_coalesce_usecs_low; |
| priv->pkt_rate_high = coal->pkt_rate_high; |
| priv->rx_usecs_high = coal->rx_coalesce_usecs_high; |
| priv->sample_interval = coal->rate_sample_interval; |
| priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce; |
| if (priv->adaptive_rx_coal) |
| return 0; |
| |
| for (i = 0; i < priv->rx_ring_num; i++) { |
| priv->rx_cq[i].moder_cnt = priv->rx_frames; |
| priv->rx_cq[i].moder_time = priv->rx_usecs; |
| priv->last_moder_time[i] = MLX4_EN_AUTO_CONF; |
| err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]); |
| if (err) |
| return err; |
| } |
| return 0; |
| } |
| |
| static int mlx4_en_set_pauseparam(struct net_device *dev, |
| struct ethtool_pauseparam *pause) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| struct mlx4_en_dev *mdev = priv->mdev; |
| int err; |
| |
| priv->prof->tx_pause = pause->tx_pause != 0; |
| priv->prof->rx_pause = pause->rx_pause != 0; |
| err = mlx4_SET_PORT_general(mdev->dev, priv->port, |
| priv->rx_skb_size + ETH_FCS_LEN, |
| priv->prof->tx_pause, |
| priv->prof->tx_ppp, |
| priv->prof->rx_pause, |
| priv->prof->rx_ppp); |
| if (err) |
| en_err(priv, "Failed setting pause params\n"); |
| |
| return err; |
| } |
| |
| static void mlx4_en_get_pauseparam(struct net_device *dev, |
| struct ethtool_pauseparam *pause) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| |
| pause->tx_pause = priv->prof->tx_pause; |
| pause->rx_pause = priv->prof->rx_pause; |
| } |
| |
| static int mlx4_en_set_ringparam(struct net_device *dev, |
| struct ethtool_ringparam *param) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| struct mlx4_en_dev *mdev = priv->mdev; |
| u32 rx_size, tx_size; |
| int port_up = 0; |
| int err = 0; |
| int i; |
| |
| if (param->rx_jumbo_pending || param->rx_mini_pending) |
| return -EINVAL; |
| |
| rx_size = roundup_pow_of_two(param->rx_pending); |
| rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE); |
| rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE); |
| tx_size = roundup_pow_of_two(param->tx_pending); |
| tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE); |
| tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE); |
| |
| if (rx_size == (priv->port_up ? priv->rx_ring[0].actual_size : |
| priv->rx_ring[0].size) && |
| tx_size == priv->tx_ring[0].size) |
| return 0; |
| |
| mutex_lock(&mdev->state_lock); |
| if (priv->port_up) { |
| port_up = 1; |
| mlx4_en_stop_port(dev); |
| } |
| |
| mlx4_en_free_resources(priv); |
| |
| priv->prof->tx_ring_size = tx_size; |
| priv->prof->rx_ring_size = rx_size; |
| |
| err = mlx4_en_alloc_resources(priv); |
| if (err) { |
| en_err(priv, "Failed reallocating port resources\n"); |
| goto out; |
| } |
| if (port_up) { |
| err = mlx4_en_start_port(dev); |
| if (err) |
| en_err(priv, "Failed starting port\n"); |
| } |
| |
| for (i = 0; i < priv->rx_ring_num; i++) { |
| priv->rx_cq[i].moder_cnt = priv->rx_frames; |
| priv->rx_cq[i].moder_time = priv->rx_usecs; |
| priv->last_moder_time[i] = MLX4_EN_AUTO_CONF; |
| err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]); |
| if (err) |
| goto out; |
| } |
| |
| out: |
| mutex_unlock(&mdev->state_lock); |
| return err; |
| } |
| |
| static void mlx4_en_get_ringparam(struct net_device *dev, |
| struct ethtool_ringparam *param) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| |
| memset(param, 0, sizeof(*param)); |
| param->rx_max_pending = MLX4_EN_MAX_RX_SIZE; |
| param->tx_max_pending = MLX4_EN_MAX_TX_SIZE; |
| param->rx_pending = priv->port_up ? |
| priv->rx_ring[0].actual_size : priv->rx_ring[0].size; |
| param->tx_pending = priv->tx_ring[0].size; |
| } |
| |
| static u32 mlx4_en_get_rxfh_indir_size(struct net_device *dev) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| |
| return priv->rx_ring_num; |
| } |
| |
| static int mlx4_en_get_rxfh_indir(struct net_device *dev, u32 *ring_index) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| struct mlx4_en_rss_map *rss_map = &priv->rss_map; |
| int rss_rings; |
| size_t n = priv->rx_ring_num; |
| int err = 0; |
| |
| rss_rings = priv->prof->rss_rings ?: priv->rx_ring_num; |
| |
| while (n--) { |
| ring_index[n] = rss_map->qps[n % rss_rings].qpn - |
| rss_map->base_qpn; |
| } |
| |
| return err; |
| } |
| |
| static int mlx4_en_set_rxfh_indir(struct net_device *dev, |
| const u32 *ring_index) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| struct mlx4_en_dev *mdev = priv->mdev; |
| int port_up = 0; |
| int err = 0; |
| int i; |
| int rss_rings = 0; |
| |
| /* Calculate RSS table size and make sure flows are spread evenly |
| * between rings |
| */ |
| for (i = 0; i < priv->rx_ring_num; i++) { |
| if (i > 0 && !ring_index[i] && !rss_rings) |
| rss_rings = i; |
| |
| if (ring_index[i] != (i % (rss_rings ?: priv->rx_ring_num))) |
| return -EINVAL; |
| } |
| |
| if (!rss_rings) |
| rss_rings = priv->rx_ring_num; |
| |
| /* RSS table size must be an order of 2 */ |
| if (!is_power_of_2(rss_rings)) |
| return -EINVAL; |
| |
| mutex_lock(&mdev->state_lock); |
| if (priv->port_up) { |
| port_up = 1; |
| mlx4_en_stop_port(dev); |
| } |
| |
| priv->prof->rss_rings = rss_rings; |
| |
| if (port_up) { |
| err = mlx4_en_start_port(dev); |
| if (err) |
| en_err(priv, "Failed starting port\n"); |
| } |
| |
| mutex_unlock(&mdev->state_lock); |
| return err; |
| } |
| |
| #define all_zeros_or_all_ones(field) \ |
| ((field) == 0 || (field) == (__force typeof(field))-1) |
| |
| static int mlx4_en_validate_flow(struct net_device *dev, |
| struct ethtool_rxnfc *cmd) |
| { |
| struct ethtool_usrip4_spec *l3_mask; |
| struct ethtool_tcpip4_spec *l4_mask; |
| struct ethhdr *eth_mask; |
| u64 full_mac = ~0ull; |
| u64 zero_mac = 0; |
| |
| if (cmd->fs.location >= MAX_NUM_OF_FS_RULES) |
| return -EINVAL; |
| |
| switch (cmd->fs.flow_type & ~FLOW_EXT) { |
| case TCP_V4_FLOW: |
| case UDP_V4_FLOW: |
| if (cmd->fs.m_u.tcp_ip4_spec.tos) |
| return -EINVAL; |
| l4_mask = &cmd->fs.m_u.tcp_ip4_spec; |
| /* don't allow mask which isn't all 0 or 1 */ |
| if (!all_zeros_or_all_ones(l4_mask->ip4src) || |
| !all_zeros_or_all_ones(l4_mask->ip4dst) || |
| !all_zeros_or_all_ones(l4_mask->psrc) || |
| !all_zeros_or_all_ones(l4_mask->pdst)) |
| return -EINVAL; |
| break; |
| case IP_USER_FLOW: |
| l3_mask = &cmd->fs.m_u.usr_ip4_spec; |
| if (l3_mask->l4_4_bytes || l3_mask->tos || l3_mask->proto || |
| cmd->fs.h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4 || |
| (!l3_mask->ip4src && !l3_mask->ip4dst) || |
| !all_zeros_or_all_ones(l3_mask->ip4src) || |
| !all_zeros_or_all_ones(l3_mask->ip4dst)) |
| return -EINVAL; |
| break; |
| case ETHER_FLOW: |
| eth_mask = &cmd->fs.m_u.ether_spec; |
| /* source mac mask must not be set */ |
| if (memcmp(eth_mask->h_source, &zero_mac, ETH_ALEN)) |
| return -EINVAL; |
| |
| /* dest mac mask must be ff:ff:ff:ff:ff:ff */ |
| if (memcmp(eth_mask->h_dest, &full_mac, ETH_ALEN)) |
| return -EINVAL; |
| |
| if (!all_zeros_or_all_ones(eth_mask->h_proto)) |
| return -EINVAL; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| if ((cmd->fs.flow_type & FLOW_EXT)) { |
| if (cmd->fs.m_ext.vlan_etype || |
| !(cmd->fs.m_ext.vlan_tci == 0 || |
| cmd->fs.m_ext.vlan_tci == cpu_to_be16(0xfff))) |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int add_ip_rule(struct mlx4_en_priv *priv, |
| struct ethtool_rxnfc *cmd, |
| struct list_head *list_h) |
| { |
| struct mlx4_spec_list *spec_l3; |
| struct ethtool_usrip4_spec *l3_mask = &cmd->fs.m_u.usr_ip4_spec; |
| |
| spec_l3 = kzalloc(sizeof *spec_l3, GFP_KERNEL); |
| if (!spec_l3) { |
| en_err(priv, "Fail to alloc ethtool rule.\n"); |
| return -ENOMEM; |
| } |
| |
| spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4; |
| spec_l3->ipv4.src_ip = cmd->fs.h_u.usr_ip4_spec.ip4src; |
| if (l3_mask->ip4src) |
| spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK; |
| spec_l3->ipv4.dst_ip = cmd->fs.h_u.usr_ip4_spec.ip4dst; |
| if (l3_mask->ip4dst) |
| spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK; |
| list_add_tail(&spec_l3->list, list_h); |
| |
| return 0; |
| } |
| |
| static int add_tcp_udp_rule(struct mlx4_en_priv *priv, |
| struct ethtool_rxnfc *cmd, |
| struct list_head *list_h, int proto) |
| { |
| struct mlx4_spec_list *spec_l3; |
| struct mlx4_spec_list *spec_l4; |
| struct ethtool_tcpip4_spec *l4_mask = &cmd->fs.m_u.tcp_ip4_spec; |
| |
| spec_l3 = kzalloc(sizeof *spec_l3, GFP_KERNEL); |
| spec_l4 = kzalloc(sizeof *spec_l4, GFP_KERNEL); |
| if (!spec_l4 || !spec_l3) { |
| en_err(priv, "Fail to alloc ethtool rule.\n"); |
| kfree(spec_l3); |
| kfree(spec_l4); |
| return -ENOMEM; |
| } |
| |
| spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4; |
| |
| if (proto == TCP_V4_FLOW) { |
| spec_l4->id = MLX4_NET_TRANS_RULE_ID_TCP; |
| spec_l3->ipv4.src_ip = cmd->fs.h_u.tcp_ip4_spec.ip4src; |
| spec_l3->ipv4.dst_ip = cmd->fs.h_u.tcp_ip4_spec.ip4dst; |
| spec_l4->tcp_udp.src_port = cmd->fs.h_u.tcp_ip4_spec.psrc; |
| spec_l4->tcp_udp.dst_port = cmd->fs.h_u.tcp_ip4_spec.pdst; |
| } else { |
| spec_l4->id = MLX4_NET_TRANS_RULE_ID_UDP; |
| spec_l3->ipv4.src_ip = cmd->fs.h_u.udp_ip4_spec.ip4src; |
| spec_l3->ipv4.dst_ip = cmd->fs.h_u.udp_ip4_spec.ip4dst; |
| spec_l4->tcp_udp.src_port = cmd->fs.h_u.udp_ip4_spec.psrc; |
| spec_l4->tcp_udp.dst_port = cmd->fs.h_u.udp_ip4_spec.pdst; |
| } |
| |
| if (l4_mask->ip4src) |
| spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK; |
| if (l4_mask->ip4dst) |
| spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK; |
| |
| if (l4_mask->psrc) |
| spec_l4->tcp_udp.src_port_msk = EN_ETHTOOL_SHORT_MASK; |
| if (l4_mask->pdst) |
| spec_l4->tcp_udp.dst_port_msk = EN_ETHTOOL_SHORT_MASK; |
| |
| list_add_tail(&spec_l3->list, list_h); |
| list_add_tail(&spec_l4->list, list_h); |
| |
| return 0; |
| } |
| |
| static int mlx4_en_ethtool_to_net_trans_rule(struct net_device *dev, |
| struct ethtool_rxnfc *cmd, |
| struct list_head *rule_list_h) |
| { |
| int err; |
| u64 mac; |
| __be64 be_mac; |
| struct ethhdr *eth_spec; |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| struct mlx4_spec_list *spec_l2; |
| __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16); |
| |
| err = mlx4_en_validate_flow(dev, cmd); |
| if (err) |
| return err; |
| |
| spec_l2 = kzalloc(sizeof *spec_l2, GFP_KERNEL); |
| if (!spec_l2) |
| return -ENOMEM; |
| |
| mac = priv->mac & MLX4_MAC_MASK; |
| be_mac = cpu_to_be64(mac << 16); |
| |
| spec_l2->id = MLX4_NET_TRANS_RULE_ID_ETH; |
| memcpy(spec_l2->eth.dst_mac_msk, &mac_msk, ETH_ALEN); |
| if ((cmd->fs.flow_type & ~FLOW_EXT) != ETHER_FLOW) |
| memcpy(spec_l2->eth.dst_mac, &be_mac, ETH_ALEN); |
| |
| if ((cmd->fs.flow_type & FLOW_EXT) && cmd->fs.m_ext.vlan_tci) { |
| spec_l2->eth.vlan_id = cmd->fs.h_ext.vlan_tci; |
| spec_l2->eth.vlan_id_msk = cpu_to_be16(0xfff); |
| } |
| |
| list_add_tail(&spec_l2->list, rule_list_h); |
| |
| switch (cmd->fs.flow_type & ~FLOW_EXT) { |
| case ETHER_FLOW: |
| eth_spec = &cmd->fs.h_u.ether_spec; |
| memcpy(&spec_l2->eth.dst_mac, eth_spec->h_dest, ETH_ALEN); |
| spec_l2->eth.ether_type = eth_spec->h_proto; |
| if (eth_spec->h_proto) |
| spec_l2->eth.ether_type_enable = 1; |
| break; |
| case IP_USER_FLOW: |
| err = add_ip_rule(priv, cmd, rule_list_h); |
| break; |
| case TCP_V4_FLOW: |
| err = add_tcp_udp_rule(priv, cmd, rule_list_h, TCP_V4_FLOW); |
| break; |
| case UDP_V4_FLOW: |
| err = add_tcp_udp_rule(priv, cmd, rule_list_h, UDP_V4_FLOW); |
| break; |
| } |
| |
| return err; |
| } |
| |
| static int mlx4_en_flow_replace(struct net_device *dev, |
| struct ethtool_rxnfc *cmd) |
| { |
| int err; |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| struct ethtool_flow_id *loc_rule; |
| struct mlx4_spec_list *spec, *tmp_spec; |
| u32 qpn; |
| u64 reg_id; |
| |
| struct mlx4_net_trans_rule rule = { |
| .queue_mode = MLX4_NET_TRANS_Q_FIFO, |
| .exclusive = 0, |
| .allow_loopback = 1, |
| .promisc_mode = MLX4_FS_PROMISC_NONE, |
| }; |
| |
| rule.port = priv->port; |
| rule.priority = MLX4_DOMAIN_ETHTOOL | cmd->fs.location; |
| INIT_LIST_HEAD(&rule.list); |
| |
| /* Allow direct QP attaches if the EN_ETHTOOL_QP_ATTACH flag is set */ |
| if (cmd->fs.ring_cookie == RX_CLS_FLOW_DISC) |
| qpn = priv->drop_qp.qpn; |
| else if (cmd->fs.ring_cookie & EN_ETHTOOL_QP_ATTACH) { |
| qpn = cmd->fs.ring_cookie & (EN_ETHTOOL_QP_ATTACH - 1); |
| } else { |
| if (cmd->fs.ring_cookie >= priv->rx_ring_num) { |
| en_warn(priv, "rxnfc: RX ring (%llu) doesn't exist.\n", |
| cmd->fs.ring_cookie); |
| return -EINVAL; |
| } |
| qpn = priv->rss_map.qps[cmd->fs.ring_cookie].qpn; |
| if (!qpn) { |
| en_warn(priv, "rxnfc: RX ring (%llu) is inactive.\n", |
| cmd->fs.ring_cookie); |
| return -EINVAL; |
| } |
| } |
| rule.qpn = qpn; |
| err = mlx4_en_ethtool_to_net_trans_rule(dev, cmd, &rule.list); |
| if (err) |
| goto out_free_list; |
| |
| loc_rule = &priv->ethtool_rules[cmd->fs.location]; |
| if (loc_rule->id) { |
| err = mlx4_flow_detach(priv->mdev->dev, loc_rule->id); |
| if (err) { |
| en_err(priv, "Fail to detach network rule at location %d. registration id = %llx\n", |
| cmd->fs.location, loc_rule->id); |
| goto out_free_list; |
| } |
| loc_rule->id = 0; |
| memset(&loc_rule->flow_spec, 0, |
| sizeof(struct ethtool_rx_flow_spec)); |
| } |
| err = mlx4_flow_attach(priv->mdev->dev, &rule, ®_id); |
| if (err) { |
| en_err(priv, "Fail to attach network rule at location %d.\n", |
| cmd->fs.location); |
| goto out_free_list; |
| } |
| loc_rule->id = reg_id; |
| memcpy(&loc_rule->flow_spec, &cmd->fs, |
| sizeof(struct ethtool_rx_flow_spec)); |
| |
| out_free_list: |
| list_for_each_entry_safe(spec, tmp_spec, &rule.list, list) { |
| list_del(&spec->list); |
| kfree(spec); |
| } |
| return err; |
| } |
| |
| static int mlx4_en_flow_detach(struct net_device *dev, |
| struct ethtool_rxnfc *cmd) |
| { |
| int err = 0; |
| struct ethtool_flow_id *rule; |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| |
| if (cmd->fs.location >= MAX_NUM_OF_FS_RULES) |
| return -EINVAL; |
| |
| rule = &priv->ethtool_rules[cmd->fs.location]; |
| if (!rule->id) { |
| err = -ENOENT; |
| goto out; |
| } |
| |
| err = mlx4_flow_detach(priv->mdev->dev, rule->id); |
| if (err) { |
| en_err(priv, "Fail to detach network rule at location %d. registration id = 0x%llx\n", |
| cmd->fs.location, rule->id); |
| goto out; |
| } |
| rule->id = 0; |
| memset(&rule->flow_spec, 0, sizeof(struct ethtool_rx_flow_spec)); |
| out: |
| return err; |
| |
| } |
| |
| static int mlx4_en_get_flow(struct net_device *dev, struct ethtool_rxnfc *cmd, |
| int loc) |
| { |
| int err = 0; |
| struct ethtool_flow_id *rule; |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| |
| if (loc < 0 || loc >= MAX_NUM_OF_FS_RULES) |
| return -EINVAL; |
| |
| rule = &priv->ethtool_rules[loc]; |
| if (rule->id) |
| memcpy(&cmd->fs, &rule->flow_spec, |
| sizeof(struct ethtool_rx_flow_spec)); |
| else |
| err = -ENOENT; |
| |
| return err; |
| } |
| |
| static int mlx4_en_get_num_flows(struct mlx4_en_priv *priv) |
| { |
| |
| int i, res = 0; |
| for (i = 0; i < MAX_NUM_OF_FS_RULES; i++) { |
| if (priv->ethtool_rules[i].id) |
| res++; |
| } |
| return res; |
| |
| } |
| |
| static int mlx4_en_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, |
| u32 *rule_locs) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| struct mlx4_en_dev *mdev = priv->mdev; |
| int err = 0; |
| int i = 0, priority = 0; |
| |
| if ((cmd->cmd == ETHTOOL_GRXCLSRLCNT || |
| cmd->cmd == ETHTOOL_GRXCLSRULE || |
| cmd->cmd == ETHTOOL_GRXCLSRLALL) && |
| mdev->dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) |
| return -EINVAL; |
| |
| switch (cmd->cmd) { |
| case ETHTOOL_GRXRINGS: |
| cmd->data = priv->rx_ring_num; |
| break; |
| case ETHTOOL_GRXCLSRLCNT: |
| cmd->rule_cnt = mlx4_en_get_num_flows(priv); |
| break; |
| case ETHTOOL_GRXCLSRULE: |
| err = mlx4_en_get_flow(dev, cmd, cmd->fs.location); |
| break; |
| case ETHTOOL_GRXCLSRLALL: |
| while ((!err || err == -ENOENT) && priority < cmd->rule_cnt) { |
| err = mlx4_en_get_flow(dev, cmd, i); |
| if (!err) |
| rule_locs[priority++] = i; |
| i++; |
| } |
| err = 0; |
| break; |
| default: |
| err = -EOPNOTSUPP; |
| break; |
| } |
| |
| return err; |
| } |
| |
| static int mlx4_en_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) |
| { |
| int err = 0; |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| struct mlx4_en_dev *mdev = priv->mdev; |
| |
| if (mdev->dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) |
| return -EINVAL; |
| |
| switch (cmd->cmd) { |
| case ETHTOOL_SRXCLSRLINS: |
| err = mlx4_en_flow_replace(dev, cmd); |
| break; |
| case ETHTOOL_SRXCLSRLDEL: |
| err = mlx4_en_flow_detach(dev, cmd); |
| break; |
| default: |
| en_warn(priv, "Unsupported ethtool command. (%d)\n", cmd->cmd); |
| return -EINVAL; |
| } |
| |
| return err; |
| } |
| |
| const struct ethtool_ops mlx4_en_ethtool_ops = { |
| .get_drvinfo = mlx4_en_get_drvinfo, |
| .get_settings = mlx4_en_get_settings, |
| .set_settings = mlx4_en_set_settings, |
| .get_link = ethtool_op_get_link, |
| .get_strings = mlx4_en_get_strings, |
| .get_sset_count = mlx4_en_get_sset_count, |
| .get_ethtool_stats = mlx4_en_get_ethtool_stats, |
| .self_test = mlx4_en_self_test, |
| .get_wol = mlx4_en_get_wol, |
| .set_wol = mlx4_en_set_wol, |
| .get_msglevel = mlx4_en_get_msglevel, |
| .set_msglevel = mlx4_en_set_msglevel, |
| .get_coalesce = mlx4_en_get_coalesce, |
| .set_coalesce = mlx4_en_set_coalesce, |
| .get_pauseparam = mlx4_en_get_pauseparam, |
| .set_pauseparam = mlx4_en_set_pauseparam, |
| .get_ringparam = mlx4_en_get_ringparam, |
| .set_ringparam = mlx4_en_set_ringparam, |
| .get_rxnfc = mlx4_en_get_rxnfc, |
| .set_rxnfc = mlx4_en_set_rxnfc, |
| .get_rxfh_indir_size = mlx4_en_get_rxfh_indir_size, |
| .get_rxfh_indir = mlx4_en_get_rxfh_indir, |
| .set_rxfh_indir = mlx4_en_set_rxfh_indir, |
| }; |
| |
| |
| |
| |
| |