| /* |
| * 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 <linux/mlx4/device.h> |
| #include <linux/in.h> |
| #include <net/ip.h> |
| #include <linux/bitmap.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 int mlx4_en_moderation_update(struct mlx4_en_priv *priv) |
| { |
| int i, t; |
| int err = 0; |
| |
| for (t = 0 ; t < MLX4_EN_NUM_TX_TYPES; t++) { |
| for (i = 0; i < priv->tx_ring_num[t]; i++) { |
| priv->tx_cq[t][i]->moder_cnt = priv->tx_frames; |
| priv->tx_cq[t][i]->moder_time = priv->tx_usecs; |
| if (priv->port_up) { |
| err = mlx4_en_set_cq_moder(priv, |
| priv->tx_cq[t][i]); |
| if (err) |
| return err; |
| } |
| } |
| } |
| |
| 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; |
| if (priv->port_up) { |
| err = mlx4_en_set_cq_moder(priv, priv->rx_cq[i]); |
| if (err) |
| return err; |
| } |
| } |
| |
| return err; |
| } |
| |
| 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->persist->pdev), |
| sizeof(drvinfo->bus_info)); |
| } |
| |
| static const char mlx4_en_priv_flags[][ETH_GSTRING_LEN] = { |
| "blueflame", |
| "phv-bit" |
| }; |
| |
| static const char main_strings[][ETH_GSTRING_LEN] = { |
| /* main statistics */ |
| "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", |
| "xmit_more", |
| "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_pages", |
| "rx_csum_good", "rx_csum_none", "rx_csum_complete", "tx_chksum_offload", |
| |
| /* pf statistics */ |
| "pf_rx_packets", |
| "pf_rx_bytes", |
| "pf_tx_packets", |
| "pf_tx_bytes", |
| |
| /* priority flow control statistics rx */ |
| "rx_pause_prio_0", "rx_pause_duration_prio_0", |
| "rx_pause_transition_prio_0", |
| "rx_pause_prio_1", "rx_pause_duration_prio_1", |
| "rx_pause_transition_prio_1", |
| "rx_pause_prio_2", "rx_pause_duration_prio_2", |
| "rx_pause_transition_prio_2", |
| "rx_pause_prio_3", "rx_pause_duration_prio_3", |
| "rx_pause_transition_prio_3", |
| "rx_pause_prio_4", "rx_pause_duration_prio_4", |
| "rx_pause_transition_prio_4", |
| "rx_pause_prio_5", "rx_pause_duration_prio_5", |
| "rx_pause_transition_prio_5", |
| "rx_pause_prio_6", "rx_pause_duration_prio_6", |
| "rx_pause_transition_prio_6", |
| "rx_pause_prio_7", "rx_pause_duration_prio_7", |
| "rx_pause_transition_prio_7", |
| |
| /* flow control statistics rx */ |
| "rx_pause", "rx_pause_duration", "rx_pause_transition", |
| |
| /* priority flow control statistics tx */ |
| "tx_pause_prio_0", "tx_pause_duration_prio_0", |
| "tx_pause_transition_prio_0", |
| "tx_pause_prio_1", "tx_pause_duration_prio_1", |
| "tx_pause_transition_prio_1", |
| "tx_pause_prio_2", "tx_pause_duration_prio_2", |
| "tx_pause_transition_prio_2", |
| "tx_pause_prio_3", "tx_pause_duration_prio_3", |
| "tx_pause_transition_prio_3", |
| "tx_pause_prio_4", "tx_pause_duration_prio_4", |
| "tx_pause_transition_prio_4", |
| "tx_pause_prio_5", "tx_pause_duration_prio_5", |
| "tx_pause_transition_prio_5", |
| "tx_pause_prio_6", "tx_pause_duration_prio_6", |
| "tx_pause_transition_prio_6", |
| "tx_pause_prio_7", "tx_pause_duration_prio_7", |
| "tx_pause_transition_prio_7", |
| |
| /* flow control statistics tx */ |
| "tx_pause", "tx_pause_duration", "tx_pause_transition", |
| |
| /* packet statistics */ |
| "rx_multicast_packets", |
| "rx_broadcast_packets", |
| "rx_jabbers", |
| "rx_in_range_length_error", |
| "rx_out_range_length_error", |
| "tx_multicast_packets", |
| "tx_broadcast_packets", |
| "rx_prio_0_packets", "rx_prio_0_bytes", |
| "rx_prio_1_packets", "rx_prio_1_bytes", |
| "rx_prio_2_packets", "rx_prio_2_bytes", |
| "rx_prio_3_packets", "rx_prio_3_bytes", |
| "rx_prio_4_packets", "rx_prio_4_bytes", |
| "rx_prio_5_packets", "rx_prio_5_bytes", |
| "rx_prio_6_packets", "rx_prio_6_bytes", |
| "rx_prio_7_packets", "rx_prio_7_bytes", |
| "rx_novlan_packets", "rx_novlan_bytes", |
| "tx_prio_0_packets", "tx_prio_0_bytes", |
| "tx_prio_1_packets", "tx_prio_1_bytes", |
| "tx_prio_2_packets", "tx_prio_2_bytes", |
| "tx_prio_3_packets", "tx_prio_3_bytes", |
| "tx_prio_4_packets", "tx_prio_4_bytes", |
| "tx_prio_5_packets", "tx_prio_5_bytes", |
| "tx_prio_6_packets", "tx_prio_6_bytes", |
| "tx_prio_7_packets", "tx_prio_7_bytes", |
| "tx_novlan_packets", "tx_novlan_bytes", |
| |
| /* xdp statistics */ |
| "rx_xdp_drop", |
| "rx_xdp_tx", |
| "rx_xdp_tx_full", |
| }; |
| |
| 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; |
| } |
| |
| struct bitmap_iterator { |
| unsigned long *stats_bitmap; |
| unsigned int count; |
| unsigned int iterator; |
| bool advance_array; /* if set, force no increments */ |
| }; |
| |
| static inline void bitmap_iterator_init(struct bitmap_iterator *h, |
| unsigned long *stats_bitmap, |
| int count) |
| { |
| h->iterator = 0; |
| h->advance_array = !bitmap_empty(stats_bitmap, count); |
| h->count = h->advance_array ? bitmap_weight(stats_bitmap, count) |
| : count; |
| h->stats_bitmap = stats_bitmap; |
| } |
| |
| static inline int bitmap_iterator_test(struct bitmap_iterator *h) |
| { |
| return !h->advance_array ? 1 : test_bit(h->iterator, h->stats_bitmap); |
| } |
| |
| static inline int bitmap_iterator_inc(struct bitmap_iterator *h) |
| { |
| return h->iterator++; |
| } |
| |
| static inline unsigned int |
| bitmap_iterator_count(struct bitmap_iterator *h) |
| { |
| return h->count; |
| } |
| |
| static int mlx4_en_get_sset_count(struct net_device *dev, int sset) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| struct bitmap_iterator it; |
| |
| bitmap_iterator_init(&it, priv->stats_bitmap.bitmap, NUM_ALL_STATS); |
| |
| switch (sset) { |
| case ETH_SS_STATS: |
| return bitmap_iterator_count(&it) + |
| (priv->tx_ring_num[TX] * 2) + |
| (priv->rx_ring_num * (3 + NUM_XDP_STATS)); |
| case ETH_SS_TEST: |
| return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags |
| & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2; |
| case ETH_SS_PRIV_FLAGS: |
| return ARRAY_SIZE(mlx4_en_priv_flags); |
| 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; |
| struct bitmap_iterator it; |
| |
| bitmap_iterator_init(&it, priv->stats_bitmap.bitmap, NUM_ALL_STATS); |
| |
| spin_lock_bh(&priv->stats_lock); |
| |
| mlx4_en_fold_software_stats(dev); |
| |
| for (i = 0; i < NUM_MAIN_STATS; i++, bitmap_iterator_inc(&it)) |
| if (bitmap_iterator_test(&it)) |
| data[index++] = ((unsigned long *)&dev->stats)[i]; |
| |
| for (i = 0; i < NUM_PORT_STATS; i++, bitmap_iterator_inc(&it)) |
| if (bitmap_iterator_test(&it)) |
| data[index++] = ((unsigned long *)&priv->port_stats)[i]; |
| |
| for (i = 0; i < NUM_PF_STATS; i++, bitmap_iterator_inc(&it)) |
| if (bitmap_iterator_test(&it)) |
| data[index++] = |
| ((unsigned long *)&priv->pf_stats)[i]; |
| |
| for (i = 0; i < NUM_FLOW_PRIORITY_STATS_RX; |
| i++, bitmap_iterator_inc(&it)) |
| if (bitmap_iterator_test(&it)) |
| data[index++] = |
| ((u64 *)&priv->rx_priority_flowstats)[i]; |
| |
| for (i = 0; i < NUM_FLOW_STATS_RX; i++, bitmap_iterator_inc(&it)) |
| if (bitmap_iterator_test(&it)) |
| data[index++] = ((u64 *)&priv->rx_flowstats)[i]; |
| |
| for (i = 0; i < NUM_FLOW_PRIORITY_STATS_TX; |
| i++, bitmap_iterator_inc(&it)) |
| if (bitmap_iterator_test(&it)) |
| data[index++] = |
| ((u64 *)&priv->tx_priority_flowstats)[i]; |
| |
| for (i = 0; i < NUM_FLOW_STATS_TX; i++, bitmap_iterator_inc(&it)) |
| if (bitmap_iterator_test(&it)) |
| data[index++] = ((u64 *)&priv->tx_flowstats)[i]; |
| |
| for (i = 0; i < NUM_PKT_STATS; i++, bitmap_iterator_inc(&it)) |
| if (bitmap_iterator_test(&it)) |
| data[index++] = ((unsigned long *)&priv->pkstats)[i]; |
| |
| for (i = 0; i < NUM_XDP_STATS; i++, bitmap_iterator_inc(&it)) |
| if (bitmap_iterator_test(&it)) |
| data[index++] = ((unsigned long *)&priv->xdp_stats)[i]; |
| |
| for (i = 0; i < priv->tx_ring_num[TX]; i++) { |
| data[index++] = priv->tx_ring[TX][i]->packets; |
| data[index++] = priv->tx_ring[TX][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; |
| data[index++] = priv->rx_ring[i]->dropped; |
| data[index++] = priv->rx_ring[i]->xdp_drop; |
| data[index++] = priv->rx_ring[i]->xdp_tx; |
| data[index++] = priv->rx_ring[i]->xdp_tx_full; |
| } |
| 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, strings = 0; |
| struct bitmap_iterator it; |
| |
| bitmap_iterator_init(&it, priv->stats_bitmap.bitmap, NUM_ALL_STATS); |
| |
| 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 */ |
| for (i = 0; i < NUM_MAIN_STATS; i++, strings++, |
| bitmap_iterator_inc(&it)) |
| if (bitmap_iterator_test(&it)) |
| strcpy(data + (index++) * ETH_GSTRING_LEN, |
| main_strings[strings]); |
| |
| for (i = 0; i < NUM_PORT_STATS; i++, strings++, |
| bitmap_iterator_inc(&it)) |
| if (bitmap_iterator_test(&it)) |
| strcpy(data + (index++) * ETH_GSTRING_LEN, |
| main_strings[strings]); |
| |
| for (i = 0; i < NUM_PF_STATS; i++, strings++, |
| bitmap_iterator_inc(&it)) |
| if (bitmap_iterator_test(&it)) |
| strcpy(data + (index++) * ETH_GSTRING_LEN, |
| main_strings[strings]); |
| |
| for (i = 0; i < NUM_FLOW_STATS; i++, strings++, |
| bitmap_iterator_inc(&it)) |
| if (bitmap_iterator_test(&it)) |
| strcpy(data + (index++) * ETH_GSTRING_LEN, |
| main_strings[strings]); |
| |
| for (i = 0; i < NUM_PKT_STATS; i++, strings++, |
| bitmap_iterator_inc(&it)) |
| if (bitmap_iterator_test(&it)) |
| strcpy(data + (index++) * ETH_GSTRING_LEN, |
| main_strings[strings]); |
| |
| for (i = 0; i < NUM_XDP_STATS; i++, strings++, |
| bitmap_iterator_inc(&it)) |
| if (bitmap_iterator_test(&it)) |
| strcpy(data + (index++) * ETH_GSTRING_LEN, |
| main_strings[strings]); |
| |
| for (i = 0; i < priv->tx_ring_num[TX]; 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); |
| sprintf(data + (index++) * ETH_GSTRING_LEN, |
| "rx%d_dropped", i); |
| sprintf(data + (index++) * ETH_GSTRING_LEN, |
| "rx%d_xdp_drop", i); |
| sprintf(data + (index++) * ETH_GSTRING_LEN, |
| "rx%d_xdp_tx", i); |
| sprintf(data + (index++) * ETH_GSTRING_LEN, |
| "rx%d_xdp_tx_full", i); |
| } |
| break; |
| case ETH_SS_PRIV_FLAGS: |
| for (i = 0; i < ARRAY_SIZE(mlx4_en_priv_flags); i++) |
| strcpy(data + i * ETH_GSTRING_LEN, |
| mlx4_en_priv_flags[i]); |
| break; |
| |
| } |
| } |
| |
| static u32 mlx4_en_autoneg_get(struct net_device *dev) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| struct mlx4_en_dev *mdev = priv->mdev; |
| u32 autoneg = AUTONEG_DISABLE; |
| |
| if ((mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP) && |
| (priv->port_state.flags & MLX4_EN_PORT_ANE)) |
| autoneg = AUTONEG_ENABLE; |
| |
| return autoneg; |
| } |
| |
| static void ptys2ethtool_update_supported_port(unsigned long *mask, |
| struct mlx4_ptys_reg *ptys_reg) |
| { |
| u32 eth_proto = be32_to_cpu(ptys_reg->eth_proto_cap); |
| |
| if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_T) |
| | MLX4_PROT_MASK(MLX4_1000BASE_T) |
| | MLX4_PROT_MASK(MLX4_100BASE_TX))) { |
| __set_bit(ETHTOOL_LINK_MODE_TP_BIT, mask); |
| } else if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_CR) |
| | MLX4_PROT_MASK(MLX4_10GBASE_SR) |
| | MLX4_PROT_MASK(MLX4_56GBASE_SR4) |
| | MLX4_PROT_MASK(MLX4_40GBASE_CR4) |
| | MLX4_PROT_MASK(MLX4_40GBASE_SR4) |
| | MLX4_PROT_MASK(MLX4_1000BASE_CX_SGMII))) { |
| __set_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, mask); |
| } else if (eth_proto & (MLX4_PROT_MASK(MLX4_56GBASE_KR4) |
| | MLX4_PROT_MASK(MLX4_40GBASE_KR4) |
| | MLX4_PROT_MASK(MLX4_20GBASE_KR2) |
| | MLX4_PROT_MASK(MLX4_10GBASE_KR) |
| | MLX4_PROT_MASK(MLX4_10GBASE_KX4) |
| | MLX4_PROT_MASK(MLX4_1000BASE_KX))) { |
| __set_bit(ETHTOOL_LINK_MODE_Backplane_BIT, mask); |
| } |
| } |
| |
| static u32 ptys_get_active_port(struct mlx4_ptys_reg *ptys_reg) |
| { |
| u32 eth_proto = be32_to_cpu(ptys_reg->eth_proto_oper); |
| |
| if (!eth_proto) /* link down */ |
| eth_proto = be32_to_cpu(ptys_reg->eth_proto_cap); |
| |
| if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_T) |
| | MLX4_PROT_MASK(MLX4_1000BASE_T) |
| | MLX4_PROT_MASK(MLX4_100BASE_TX))) { |
| return PORT_TP; |
| } |
| |
| if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_SR) |
| | MLX4_PROT_MASK(MLX4_56GBASE_SR4) |
| | MLX4_PROT_MASK(MLX4_40GBASE_SR4) |
| | MLX4_PROT_MASK(MLX4_1000BASE_CX_SGMII))) { |
| return PORT_FIBRE; |
| } |
| |
| if (eth_proto & (MLX4_PROT_MASK(MLX4_10GBASE_CR) |
| | MLX4_PROT_MASK(MLX4_56GBASE_CR4) |
| | MLX4_PROT_MASK(MLX4_40GBASE_CR4))) { |
| return PORT_DA; |
| } |
| |
| if (eth_proto & (MLX4_PROT_MASK(MLX4_56GBASE_KR4) |
| | MLX4_PROT_MASK(MLX4_40GBASE_KR4) |
| | MLX4_PROT_MASK(MLX4_20GBASE_KR2) |
| | MLX4_PROT_MASK(MLX4_10GBASE_KR) |
| | MLX4_PROT_MASK(MLX4_10GBASE_KX4) |
| | MLX4_PROT_MASK(MLX4_1000BASE_KX))) { |
| return PORT_NONE; |
| } |
| return PORT_OTHER; |
| } |
| |
| #define MLX4_LINK_MODES_SZ \ |
| (FIELD_SIZEOF(struct mlx4_ptys_reg, eth_proto_cap) * 8) |
| |
| enum ethtool_report { |
| SUPPORTED = 0, |
| ADVERTISED = 1, |
| }; |
| |
| struct ptys2ethtool_config { |
| __ETHTOOL_DECLARE_LINK_MODE_MASK(supported); |
| __ETHTOOL_DECLARE_LINK_MODE_MASK(advertised); |
| u32 speed; |
| }; |
| |
| static unsigned long *ptys2ethtool_link_mode(struct ptys2ethtool_config *cfg, |
| enum ethtool_report report) |
| { |
| switch (report) { |
| case SUPPORTED: |
| return cfg->supported; |
| case ADVERTISED: |
| return cfg->advertised; |
| } |
| return NULL; |
| } |
| |
| #define MLX4_BUILD_PTYS2ETHTOOL_CONFIG(reg_, speed_, ...) \ |
| ({ \ |
| struct ptys2ethtool_config *cfg; \ |
| const unsigned int modes[] = { __VA_ARGS__ }; \ |
| unsigned int i; \ |
| cfg = &ptys2ethtool_map[reg_]; \ |
| cfg->speed = speed_; \ |
| bitmap_zero(cfg->supported, \ |
| __ETHTOOL_LINK_MODE_MASK_NBITS); \ |
| bitmap_zero(cfg->advertised, \ |
| __ETHTOOL_LINK_MODE_MASK_NBITS); \ |
| for (i = 0 ; i < ARRAY_SIZE(modes) ; ++i) { \ |
| __set_bit(modes[i], cfg->supported); \ |
| __set_bit(modes[i], cfg->advertised); \ |
| } \ |
| }) |
| |
| /* Translates mlx4 link mode to equivalent ethtool Link modes/speed */ |
| static struct ptys2ethtool_config ptys2ethtool_map[MLX4_LINK_MODES_SZ]; |
| |
| void __init mlx4_en_init_ptys2ethtool_map(void) |
| { |
| MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_100BASE_TX, SPEED_100, |
| ETHTOOL_LINK_MODE_100baseT_Full_BIT); |
| MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_1000BASE_T, SPEED_1000, |
| ETHTOOL_LINK_MODE_1000baseT_Full_BIT); |
| MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_1000BASE_CX_SGMII, SPEED_1000, |
| ETHTOOL_LINK_MODE_1000baseKX_Full_BIT); |
| MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_1000BASE_KX, SPEED_1000, |
| ETHTOOL_LINK_MODE_1000baseKX_Full_BIT); |
| MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_T, SPEED_10000, |
| ETHTOOL_LINK_MODE_10000baseT_Full_BIT); |
| MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_CX4, SPEED_10000, |
| ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT); |
| MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_KX4, SPEED_10000, |
| ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT); |
| MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_KR, SPEED_10000, |
| ETHTOOL_LINK_MODE_10000baseKR_Full_BIT); |
| MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_CR, SPEED_10000, |
| ETHTOOL_LINK_MODE_10000baseKR_Full_BIT); |
| MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_SR, SPEED_10000, |
| ETHTOOL_LINK_MODE_10000baseKR_Full_BIT); |
| MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_20GBASE_KR2, SPEED_20000, |
| ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT, |
| ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT); |
| MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_40GBASE_CR4, SPEED_40000, |
| ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT); |
| MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_40GBASE_KR4, SPEED_40000, |
| ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT); |
| MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_40GBASE_SR4, SPEED_40000, |
| ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT); |
| MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_56GBASE_KR4, SPEED_56000, |
| ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT); |
| MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_56GBASE_CR4, SPEED_56000, |
| ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT); |
| MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_56GBASE_SR4, SPEED_56000, |
| ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT); |
| }; |
| |
| static void ptys2ethtool_update_link_modes(unsigned long *link_modes, |
| u32 eth_proto, |
| enum ethtool_report report) |
| { |
| int i; |
| for (i = 0; i < MLX4_LINK_MODES_SZ; i++) { |
| if (eth_proto & MLX4_PROT_MASK(i)) |
| bitmap_or(link_modes, link_modes, |
| ptys2ethtool_link_mode(&ptys2ethtool_map[i], |
| report), |
| __ETHTOOL_LINK_MODE_MASK_NBITS); |
| } |
| } |
| |
| static u32 ethtool2ptys_link_modes(const unsigned long *link_modes, |
| enum ethtool_report report) |
| { |
| int i; |
| u32 ptys_modes = 0; |
| |
| for (i = 0; i < MLX4_LINK_MODES_SZ; i++) { |
| if (bitmap_intersects( |
| ptys2ethtool_link_mode(&ptys2ethtool_map[i], |
| report), |
| link_modes, |
| __ETHTOOL_LINK_MODE_MASK_NBITS)) |
| ptys_modes |= 1 << i; |
| } |
| return ptys_modes; |
| } |
| |
| /* Convert actual speed (SPEED_XXX) to ptys link modes */ |
| static u32 speed2ptys_link_modes(u32 speed) |
| { |
| int i; |
| u32 ptys_modes = 0; |
| |
| for (i = 0; i < MLX4_LINK_MODES_SZ; i++) { |
| if (ptys2ethtool_map[i].speed == speed) |
| ptys_modes |= 1 << i; |
| } |
| return ptys_modes; |
| } |
| |
| static int |
| ethtool_get_ptys_link_ksettings(struct net_device *dev, |
| struct ethtool_link_ksettings *link_ksettings) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| struct mlx4_ptys_reg ptys_reg; |
| u32 eth_proto; |
| int ret; |
| |
| memset(&ptys_reg, 0, sizeof(ptys_reg)); |
| ptys_reg.local_port = priv->port; |
| ptys_reg.proto_mask = MLX4_PTYS_EN; |
| ret = mlx4_ACCESS_PTYS_REG(priv->mdev->dev, |
| MLX4_ACCESS_REG_QUERY, &ptys_reg); |
| if (ret) { |
| en_warn(priv, "Failed to run mlx4_ACCESS_PTYS_REG status(%x)", |
| ret); |
| return ret; |
| } |
| en_dbg(DRV, priv, "ptys_reg.proto_mask %x\n", |
| ptys_reg.proto_mask); |
| en_dbg(DRV, priv, "ptys_reg.eth_proto_cap %x\n", |
| be32_to_cpu(ptys_reg.eth_proto_cap)); |
| en_dbg(DRV, priv, "ptys_reg.eth_proto_admin %x\n", |
| be32_to_cpu(ptys_reg.eth_proto_admin)); |
| en_dbg(DRV, priv, "ptys_reg.eth_proto_oper %x\n", |
| be32_to_cpu(ptys_reg.eth_proto_oper)); |
| en_dbg(DRV, priv, "ptys_reg.eth_proto_lp_adv %x\n", |
| be32_to_cpu(ptys_reg.eth_proto_lp_adv)); |
| |
| /* reset supported/advertising masks */ |
| ethtool_link_ksettings_zero_link_mode(link_ksettings, supported); |
| ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising); |
| |
| ptys2ethtool_update_supported_port(link_ksettings->link_modes.supported, |
| &ptys_reg); |
| |
| eth_proto = be32_to_cpu(ptys_reg.eth_proto_cap); |
| ptys2ethtool_update_link_modes(link_ksettings->link_modes.supported, |
| eth_proto, SUPPORTED); |
| |
| eth_proto = be32_to_cpu(ptys_reg.eth_proto_admin); |
| ptys2ethtool_update_link_modes(link_ksettings->link_modes.advertising, |
| eth_proto, ADVERTISED); |
| |
| ethtool_link_ksettings_add_link_mode(link_ksettings, supported, |
| Pause); |
| ethtool_link_ksettings_add_link_mode(link_ksettings, supported, |
| Asym_Pause); |
| |
| if (priv->prof->tx_pause) |
| ethtool_link_ksettings_add_link_mode(link_ksettings, |
| advertising, Pause); |
| if (priv->prof->tx_pause ^ priv->prof->rx_pause) |
| ethtool_link_ksettings_add_link_mode(link_ksettings, |
| advertising, Asym_Pause); |
| |
| link_ksettings->base.port = ptys_get_active_port(&ptys_reg); |
| |
| if (mlx4_en_autoneg_get(dev)) { |
| ethtool_link_ksettings_add_link_mode(link_ksettings, |
| supported, Autoneg); |
| ethtool_link_ksettings_add_link_mode(link_ksettings, |
| advertising, Autoneg); |
| } |
| |
| link_ksettings->base.autoneg |
| = (priv->port_state.flags & MLX4_EN_PORT_ANC) ? |
| AUTONEG_ENABLE : AUTONEG_DISABLE; |
| |
| eth_proto = be32_to_cpu(ptys_reg.eth_proto_lp_adv); |
| |
| ethtool_link_ksettings_zero_link_mode(link_ksettings, lp_advertising); |
| ptys2ethtool_update_link_modes( |
| link_ksettings->link_modes.lp_advertising, |
| eth_proto, ADVERTISED); |
| if (priv->port_state.flags & MLX4_EN_PORT_ANC) |
| ethtool_link_ksettings_add_link_mode(link_ksettings, |
| lp_advertising, Autoneg); |
| |
| link_ksettings->base.phy_address = 0; |
| link_ksettings->base.mdio_support = 0; |
| link_ksettings->base.eth_tp_mdix = ETH_TP_MDI_INVALID; |
| link_ksettings->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO; |
| |
| return ret; |
| } |
| |
| static void |
| ethtool_get_default_link_ksettings( |
| struct net_device *dev, struct ethtool_link_ksettings *link_ksettings) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| int trans_type; |
| |
| link_ksettings->base.autoneg = AUTONEG_DISABLE; |
| |
| ethtool_link_ksettings_zero_link_mode(link_ksettings, supported); |
| ethtool_link_ksettings_add_link_mode(link_ksettings, supported, |
| 10000baseT_Full); |
| |
| ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising); |
| ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, |
| 10000baseT_Full); |
| |
| trans_type = priv->port_state.transceiver; |
| if (trans_type > 0 && trans_type <= 0xC) { |
| link_ksettings->base.port = PORT_FIBRE; |
| ethtool_link_ksettings_add_link_mode(link_ksettings, |
| supported, FIBRE); |
| ethtool_link_ksettings_add_link_mode(link_ksettings, |
| advertising, FIBRE); |
| } else if (trans_type == 0x80 || trans_type == 0) { |
| link_ksettings->base.port = PORT_TP; |
| ethtool_link_ksettings_add_link_mode(link_ksettings, |
| supported, TP); |
| ethtool_link_ksettings_add_link_mode(link_ksettings, |
| advertising, TP); |
| } else { |
| link_ksettings->base.port = -1; |
| } |
| } |
| |
| static int |
| mlx4_en_get_link_ksettings(struct net_device *dev, |
| struct ethtool_link_ksettings *link_ksettings) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| int ret = -EINVAL; |
| |
| if (mlx4_en_QUERY_PORT(priv->mdev, priv->port)) |
| return -ENOMEM; |
| |
| en_dbg(DRV, priv, "query port state.flags ANC(%x) ANE(%x)\n", |
| priv->port_state.flags & MLX4_EN_PORT_ANC, |
| priv->port_state.flags & MLX4_EN_PORT_ANE); |
| |
| if (priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL) |
| ret = ethtool_get_ptys_link_ksettings(dev, link_ksettings); |
| if (ret) /* ETH PROT CRTL is not supported or PTYS CMD failed */ |
| ethtool_get_default_link_ksettings(dev, link_ksettings); |
| |
| if (netif_carrier_ok(dev)) { |
| link_ksettings->base.speed = priv->port_state.link_speed; |
| link_ksettings->base.duplex = DUPLEX_FULL; |
| } else { |
| link_ksettings->base.speed = SPEED_UNKNOWN; |
| link_ksettings->base.duplex = DUPLEX_UNKNOWN; |
| } |
| return 0; |
| } |
| |
| /* Calculate PTYS admin according ethtool speed (SPEED_XXX) */ |
| static __be32 speed_set_ptys_admin(struct mlx4_en_priv *priv, u32 speed, |
| __be32 proto_cap) |
| { |
| __be32 proto_admin = 0; |
| |
| if (!speed) { /* Speed = 0 ==> Reset Link modes */ |
| proto_admin = proto_cap; |
| en_info(priv, "Speed was set to 0, Reset advertised Link Modes to default (%x)\n", |
| be32_to_cpu(proto_cap)); |
| } else { |
| u32 ptys_link_modes = speed2ptys_link_modes(speed); |
| |
| proto_admin = cpu_to_be32(ptys_link_modes) & proto_cap; |
| en_info(priv, "Setting Speed to %d\n", speed); |
| } |
| return proto_admin; |
| } |
| |
| static int |
| mlx4_en_set_link_ksettings(struct net_device *dev, |
| const struct ethtool_link_ksettings *link_ksettings) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| struct mlx4_ptys_reg ptys_reg; |
| __be32 proto_admin; |
| u8 cur_autoneg; |
| int ret; |
| |
| u32 ptys_adv = ethtool2ptys_link_modes( |
| link_ksettings->link_modes.advertising, ADVERTISED); |
| const int speed = link_ksettings->base.speed; |
| |
| en_dbg(DRV, priv, |
| "Set Speed=%d adv={%*pbl} autoneg=%d duplex=%d\n", |
| speed, __ETHTOOL_LINK_MODE_MASK_NBITS, |
| link_ksettings->link_modes.advertising, |
| link_ksettings->base.autoneg, |
| link_ksettings->base.duplex); |
| |
| if (!(priv->mdev->dev->caps.flags2 & |
| MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL) || |
| (link_ksettings->base.duplex == DUPLEX_HALF)) |
| return -EINVAL; |
| |
| memset(&ptys_reg, 0, sizeof(ptys_reg)); |
| ptys_reg.local_port = priv->port; |
| ptys_reg.proto_mask = MLX4_PTYS_EN; |
| ret = mlx4_ACCESS_PTYS_REG(priv->mdev->dev, |
| MLX4_ACCESS_REG_QUERY, &ptys_reg); |
| if (ret) { |
| en_warn(priv, "Failed to QUERY mlx4_ACCESS_PTYS_REG status(%x)\n", |
| ret); |
| return 0; |
| } |
| |
| cur_autoneg = ptys_reg.flags & MLX4_PTYS_AN_DISABLE_ADMIN ? |
| AUTONEG_DISABLE : AUTONEG_ENABLE; |
| |
| if (link_ksettings->base.autoneg == AUTONEG_DISABLE) { |
| proto_admin = speed_set_ptys_admin(priv, speed, |
| ptys_reg.eth_proto_cap); |
| if ((be32_to_cpu(proto_admin) & |
| (MLX4_PROT_MASK(MLX4_1000BASE_CX_SGMII) | |
| MLX4_PROT_MASK(MLX4_1000BASE_KX))) && |
| (ptys_reg.flags & MLX4_PTYS_AN_DISABLE_CAP)) |
| ptys_reg.flags |= MLX4_PTYS_AN_DISABLE_ADMIN; |
| } else { |
| proto_admin = cpu_to_be32(ptys_adv); |
| ptys_reg.flags &= ~MLX4_PTYS_AN_DISABLE_ADMIN; |
| } |
| |
| proto_admin &= ptys_reg.eth_proto_cap; |
| if (!proto_admin) { |
| en_warn(priv, "Not supported link mode(s) requested, check supported link modes.\n"); |
| return -EINVAL; /* nothing to change due to bad input */ |
| } |
| |
| if ((proto_admin == ptys_reg.eth_proto_admin) && |
| ((ptys_reg.flags & MLX4_PTYS_AN_DISABLE_CAP) && |
| (link_ksettings->base.autoneg == cur_autoneg))) |
| return 0; /* Nothing to change */ |
| |
| en_dbg(DRV, priv, "mlx4_ACCESS_PTYS_REG SET: ptys_reg.eth_proto_admin = 0x%x\n", |
| be32_to_cpu(proto_admin)); |
| |
| ptys_reg.eth_proto_admin = proto_admin; |
| ret = mlx4_ACCESS_PTYS_REG(priv->mdev->dev, MLX4_ACCESS_REG_WRITE, |
| &ptys_reg); |
| if (ret) { |
| en_warn(priv, "Failed to write mlx4_ACCESS_PTYS_REG eth_proto_admin(0x%x) status(0x%x)", |
| be32_to_cpu(ptys_reg.eth_proto_admin), ret); |
| return ret; |
| } |
| |
| mutex_lock(&priv->mdev->state_lock); |
| if (priv->port_up) { |
| en_warn(priv, "Port link mode changed, restarting port...\n"); |
| mlx4_en_stop_port(dev, 1); |
| if (mlx4_en_start_port(dev)) |
| en_err(priv, "Failed restarting port %d\n", priv->port); |
| } |
| mutex_unlock(&priv->mdev->state_lock); |
| 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->tx_max_coalesced_frames_irq = priv->tx_work_limit; |
| |
| 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); |
| |
| if (!coal->tx_max_coalesced_frames_irq) |
| return -EINVAL; |
| |
| 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; |
| } |
| |
| /* 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; |
| priv->tx_work_limit = coal->tx_max_coalesced_frames_irq; |
| |
| return mlx4_en_moderation_update(priv); |
| } |
| |
| 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; |
| |
| if (pause->autoneg) |
| return -EINVAL; |
| |
| 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"); |
| else |
| mlx4_en_update_pfc_stats_bitmap(mdev->dev, &priv->stats_bitmap, |
| priv->prof->rx_ppp, |
| priv->prof->rx_pause, |
| priv->prof->tx_ppp, |
| priv->prof->tx_pause); |
| |
| 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; |
| struct mlx4_en_port_profile new_prof; |
| struct mlx4_en_priv *tmp; |
| u32 rx_size, tx_size; |
| int port_up = 0; |
| int err = 0; |
| |
| 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[TX][0]->size) |
| return 0; |
| |
| tmp = kzalloc(sizeof(*tmp), GFP_KERNEL); |
| if (!tmp) |
| return -ENOMEM; |
| |
| mutex_lock(&mdev->state_lock); |
| memcpy(&new_prof, priv->prof, sizeof(struct mlx4_en_port_profile)); |
| new_prof.tx_ring_size = tx_size; |
| new_prof.rx_ring_size = rx_size; |
| err = mlx4_en_try_alloc_resources(priv, tmp, &new_prof, true); |
| if (err) |
| goto out; |
| |
| if (priv->port_up) { |
| port_up = 1; |
| mlx4_en_stop_port(dev, 1); |
| } |
| |
| mlx4_en_safe_replace_resources(priv, tmp); |
| |
| if (port_up) { |
| err = mlx4_en_start_port(dev); |
| if (err) |
| en_err(priv, "Failed starting port\n"); |
| } |
| |
| err = mlx4_en_moderation_update(priv); |
| out: |
| kfree(tmp); |
| 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[TX][0]->size; |
| } |
| |
| static u32 mlx4_en_get_rxfh_indir_size(struct net_device *dev) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| |
| return rounddown_pow_of_two(priv->rx_ring_num); |
| } |
| |
| static u32 mlx4_en_get_rxfh_key_size(struct net_device *netdev) |
| { |
| return MLX4_EN_RSS_KEY_SIZE; |
| } |
| |
| static int mlx4_en_check_rxfh_func(struct net_device *dev, u8 hfunc) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| |
| /* check if requested function is supported by the device */ |
| if (hfunc == ETH_RSS_HASH_TOP) { |
| if (!(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_TOP)) |
| return -EINVAL; |
| if (!(dev->features & NETIF_F_RXHASH)) |
| en_warn(priv, "Toeplitz hash function should be used in conjunction with RX hashing for optimal performance\n"); |
| return 0; |
| } else if (hfunc == ETH_RSS_HASH_XOR) { |
| if (!(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_XOR)) |
| return -EINVAL; |
| if (dev->features & NETIF_F_RXHASH) |
| en_warn(priv, "Enabling both XOR Hash function and RX Hashing can limit RPS functionality\n"); |
| return 0; |
| } |
| |
| return -EINVAL; |
| } |
| |
| static int mlx4_en_get_rxfh(struct net_device *dev, u32 *ring_index, u8 *key, |
| u8 *hfunc) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| u32 n = mlx4_en_get_rxfh_indir_size(dev); |
| u32 i, rss_rings; |
| int err = 0; |
| |
| rss_rings = priv->prof->rss_rings ?: n; |
| rss_rings = rounddown_pow_of_two(rss_rings); |
| |
| for (i = 0; i < n; i++) { |
| if (!ring_index) |
| break; |
| ring_index[i] = i % rss_rings; |
| } |
| if (key) |
| memcpy(key, priv->rss_key, MLX4_EN_RSS_KEY_SIZE); |
| if (hfunc) |
| *hfunc = priv->rss_hash_fn; |
| return err; |
| } |
| |
| static int mlx4_en_set_rxfh(struct net_device *dev, const u32 *ring_index, |
| const u8 *key, const u8 hfunc) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| u32 n = mlx4_en_get_rxfh_indir_size(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 < n; i++) { |
| if (!ring_index) |
| break; |
| if (i > 0 && !ring_index[i] && !rss_rings) |
| rss_rings = i; |
| |
| if (ring_index[i] != (i % (rss_rings ?: n))) |
| return -EINVAL; |
| } |
| |
| if (!rss_rings) |
| rss_rings = n; |
| |
| /* RSS table size must be an order of 2 */ |
| if (!is_power_of_2(rss_rings)) |
| return -EINVAL; |
| |
| if (hfunc != ETH_RSS_HASH_NO_CHANGE) { |
| err = mlx4_en_check_rxfh_func(dev, hfunc); |
| if (err) |
| return err; |
| } |
| |
| mutex_lock(&mdev->state_lock); |
| if (priv->port_up) { |
| port_up = 1; |
| mlx4_en_stop_port(dev, 1); |
| } |
| |
| if (ring_index) |
| priv->prof->rss_rings = rss_rings; |
| if (key) |
| memcpy(priv->rss_key, key, MLX4_EN_RSS_KEY_SIZE); |
| if (hfunc != ETH_RSS_HASH_NO_CHANGE) |
| priv->rss_hash_fn = hfunc; |
| |
| 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; |
| |
| if (cmd->fs.location >= MAX_NUM_OF_FS_RULES) |
| return -EINVAL; |
| |
| if (cmd->fs.flow_type & FLOW_MAC_EXT) { |
| /* dest mac mask must be ff:ff:ff:ff:ff:ff */ |
| if (!is_broadcast_ether_addr(cmd->fs.m_ext.h_dest)) |
| return -EINVAL; |
| } |
| |
| switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_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 (!is_zero_ether_addr(eth_mask->h_source)) |
| return -EINVAL; |
| |
| /* dest mac mask must be ff:ff:ff:ff:ff:ff */ |
| if (!is_broadcast_ether_addr(eth_mask->h_dest)) |
| 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 & cpu_to_be16(VLAN_VID_MASK)) == |
| 0 || |
| (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) == |
| cpu_to_be16(VLAN_VID_MASK))) |
| return -EINVAL; |
| |
| if (cmd->fs.m_ext.vlan_tci) { |
| if (be16_to_cpu(cmd->fs.h_ext.vlan_tci) >= VLAN_N_VID) |
| return -EINVAL; |
| |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int mlx4_en_ethtool_add_mac_rule(struct ethtool_rxnfc *cmd, |
| struct list_head *rule_list_h, |
| struct mlx4_spec_list *spec_l2, |
| unsigned char *mac) |
| { |
| int err = 0; |
| __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16); |
| |
| spec_l2->id = MLX4_NET_TRANS_RULE_ID_ETH; |
| memcpy(spec_l2->eth.dst_mac_msk, &mac_msk, ETH_ALEN); |
| memcpy(spec_l2->eth.dst_mac, mac, ETH_ALEN); |
| |
| if ((cmd->fs.flow_type & FLOW_EXT) && |
| (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK))) { |
| spec_l2->eth.vlan_id = cmd->fs.h_ext.vlan_tci; |
| spec_l2->eth.vlan_id_msk = cpu_to_be16(VLAN_VID_MASK); |
| } |
| |
| list_add_tail(&spec_l2->list, rule_list_h); |
| |
| return err; |
| } |
| |
| static int mlx4_en_ethtool_add_mac_rule_by_ipv4(struct mlx4_en_priv *priv, |
| struct ethtool_rxnfc *cmd, |
| struct list_head *rule_list_h, |
| struct mlx4_spec_list *spec_l2, |
| __be32 ipv4_dst) |
| { |
| #ifdef CONFIG_INET |
| unsigned char mac[ETH_ALEN]; |
| |
| if (!ipv4_is_multicast(ipv4_dst)) { |
| if (cmd->fs.flow_type & FLOW_MAC_EXT) |
| memcpy(&mac, cmd->fs.h_ext.h_dest, ETH_ALEN); |
| else |
| memcpy(&mac, priv->dev->dev_addr, ETH_ALEN); |
| } else { |
| ip_eth_mc_map(ipv4_dst, mac); |
| } |
| |
| return mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2, &mac[0]); |
| #else |
| return -EINVAL; |
| #endif |
| } |
| |
| static int add_ip_rule(struct mlx4_en_priv *priv, |
| struct ethtool_rxnfc *cmd, |
| struct list_head *list_h) |
| { |
| int err; |
| struct mlx4_spec_list *spec_l2 = NULL; |
| struct mlx4_spec_list *spec_l3 = NULL; |
| struct ethtool_usrip4_spec *l3_mask = &cmd->fs.m_u.usr_ip4_spec; |
| |
| spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL); |
| spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL); |
| if (!spec_l2 || !spec_l3) { |
| err = -ENOMEM; |
| goto free_spec; |
| } |
| |
| err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h, spec_l2, |
| cmd->fs.h_u. |
| usr_ip4_spec.ip4dst); |
| if (err) |
| goto free_spec; |
| 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; |
| |
| free_spec: |
| kfree(spec_l2); |
| kfree(spec_l3); |
| return err; |
| } |
| |
| static int add_tcp_udp_rule(struct mlx4_en_priv *priv, |
| struct ethtool_rxnfc *cmd, |
| struct list_head *list_h, int proto) |
| { |
| int err; |
| struct mlx4_spec_list *spec_l2 = NULL; |
| struct mlx4_spec_list *spec_l3 = NULL; |
| struct mlx4_spec_list *spec_l4 = NULL; |
| struct ethtool_tcpip4_spec *l4_mask = &cmd->fs.m_u.tcp_ip4_spec; |
| |
| spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL); |
| spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL); |
| spec_l4 = kzalloc(sizeof(*spec_l4), GFP_KERNEL); |
| if (!spec_l2 || !spec_l3 || !spec_l4) { |
| err = -ENOMEM; |
| goto free_spec; |
| } |
| |
| spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4; |
| |
| if (proto == TCP_V4_FLOW) { |
| err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h, |
| spec_l2, |
| cmd->fs.h_u. |
| tcp_ip4_spec.ip4dst); |
| if (err) |
| goto free_spec; |
| 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 { |
| err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h, |
| spec_l2, |
| cmd->fs.h_u. |
| udp_ip4_spec.ip4dst); |
| if (err) |
| goto free_spec; |
| 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; |
| |
| free_spec: |
| kfree(spec_l2); |
| kfree(spec_l3); |
| kfree(spec_l4); |
| return err; |
| } |
| |
| 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; |
| struct ethhdr *eth_spec; |
| struct mlx4_spec_list *spec_l2; |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| |
| err = mlx4_en_validate_flow(dev, cmd); |
| if (err) |
| return err; |
| |
| switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) { |
| case ETHER_FLOW: |
| spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL); |
| if (!spec_l2) |
| return -ENOMEM; |
| |
| eth_spec = &cmd->fs.h_u.ether_spec; |
| mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2, |
| ð_spec->h_dest[0]); |
| 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_REGULAR, |
| }; |
| |
| 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)); |
| list_del(&loc_rule->list); |
| } |
| 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)); |
| list_add_tail(&loc_rule->list, &priv->ethtool_list); |
| |
| 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)); |
| list_del(&rule->list); |
| 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 || !priv->port_up)) |
| 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 || !priv->port_up) |
| 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; |
| } |
| |
| static void mlx4_en_get_channels(struct net_device *dev, |
| struct ethtool_channels *channel) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| |
| channel->max_rx = MAX_RX_RINGS; |
| channel->max_tx = MLX4_EN_MAX_TX_RING_P_UP; |
| |
| channel->rx_count = priv->rx_ring_num; |
| channel->tx_count = priv->tx_ring_num[TX] / MLX4_EN_NUM_UP; |
| } |
| |
| static int mlx4_en_set_channels(struct net_device *dev, |
| struct ethtool_channels *channel) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| struct mlx4_en_dev *mdev = priv->mdev; |
| struct mlx4_en_port_profile new_prof; |
| struct mlx4_en_priv *tmp; |
| int port_up = 0; |
| int xdp_count; |
| int err = 0; |
| |
| if (!channel->tx_count || !channel->rx_count) |
| return -EINVAL; |
| |
| tmp = kzalloc(sizeof(*tmp), GFP_KERNEL); |
| if (!tmp) |
| return -ENOMEM; |
| |
| mutex_lock(&mdev->state_lock); |
| xdp_count = priv->tx_ring_num[TX_XDP] ? channel->rx_count : 0; |
| if (channel->tx_count * MLX4_EN_NUM_UP + xdp_count > MAX_TX_RINGS) { |
| err = -EINVAL; |
| en_err(priv, |
| "Total number of TX and XDP rings (%d) exceeds the maximum supported (%d)\n", |
| channel->tx_count * MLX4_EN_NUM_UP + xdp_count, |
| MAX_TX_RINGS); |
| goto out; |
| } |
| |
| memcpy(&new_prof, priv->prof, sizeof(struct mlx4_en_port_profile)); |
| new_prof.num_tx_rings_p_up = channel->tx_count; |
| new_prof.tx_ring_num[TX] = channel->tx_count * MLX4_EN_NUM_UP; |
| new_prof.tx_ring_num[TX_XDP] = xdp_count; |
| new_prof.rx_ring_num = channel->rx_count; |
| |
| err = mlx4_en_try_alloc_resources(priv, tmp, &new_prof, true); |
| if (err) |
| goto out; |
| |
| if (priv->port_up) { |
| port_up = 1; |
| mlx4_en_stop_port(dev, 1); |
| } |
| |
| mlx4_en_safe_replace_resources(priv, tmp); |
| |
| netif_set_real_num_tx_queues(dev, priv->tx_ring_num[TX]); |
| netif_set_real_num_rx_queues(dev, priv->rx_ring_num); |
| |
| if (netdev_get_num_tc(dev)) |
| mlx4_en_setup_tc(dev, MLX4_EN_NUM_UP); |
| |
| en_warn(priv, "Using %d TX rings\n", priv->tx_ring_num[TX]); |
| en_warn(priv, "Using %d RX rings\n", priv->rx_ring_num); |
| |
| if (port_up) { |
| err = mlx4_en_start_port(dev); |
| if (err) |
| en_err(priv, "Failed starting port\n"); |
| } |
| |
| err = mlx4_en_moderation_update(priv); |
| out: |
| mutex_unlock(&mdev->state_lock); |
| kfree(tmp); |
| return err; |
| } |
| |
| static int mlx4_en_get_ts_info(struct net_device *dev, |
| struct ethtool_ts_info *info) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| struct mlx4_en_dev *mdev = priv->mdev; |
| int ret; |
| |
| ret = ethtool_op_get_ts_info(dev, info); |
| if (ret) |
| return ret; |
| |
| if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) { |
| info->so_timestamping |= |
| SOF_TIMESTAMPING_TX_HARDWARE | |
| SOF_TIMESTAMPING_RX_HARDWARE | |
| SOF_TIMESTAMPING_RAW_HARDWARE; |
| |
| info->tx_types = |
| (1 << HWTSTAMP_TX_OFF) | |
| (1 << HWTSTAMP_TX_ON); |
| |
| info->rx_filters = |
| (1 << HWTSTAMP_FILTER_NONE) | |
| (1 << HWTSTAMP_FILTER_ALL); |
| |
| if (mdev->ptp_clock) |
| info->phc_index = ptp_clock_index(mdev->ptp_clock); |
| } |
| |
| return ret; |
| } |
| |
| static int mlx4_en_set_priv_flags(struct net_device *dev, u32 flags) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| struct mlx4_en_dev *mdev = priv->mdev; |
| bool bf_enabled_new = !!(flags & MLX4_EN_PRIV_FLAGS_BLUEFLAME); |
| bool bf_enabled_old = !!(priv->pflags & MLX4_EN_PRIV_FLAGS_BLUEFLAME); |
| bool phv_enabled_new = !!(flags & MLX4_EN_PRIV_FLAGS_PHV); |
| bool phv_enabled_old = !!(priv->pflags & MLX4_EN_PRIV_FLAGS_PHV); |
| int i; |
| int ret = 0; |
| |
| if (bf_enabled_new != bf_enabled_old) { |
| int t; |
| |
| if (bf_enabled_new) { |
| bool bf_supported = true; |
| |
| for (t = 0; t < MLX4_EN_NUM_TX_TYPES; t++) |
| for (i = 0; i < priv->tx_ring_num[t]; i++) |
| bf_supported &= |
| priv->tx_ring[t][i]->bf_alloced; |
| |
| if (!bf_supported) { |
| en_err(priv, "BlueFlame is not supported\n"); |
| return -EINVAL; |
| } |
| |
| priv->pflags |= MLX4_EN_PRIV_FLAGS_BLUEFLAME; |
| } else { |
| priv->pflags &= ~MLX4_EN_PRIV_FLAGS_BLUEFLAME; |
| } |
| |
| for (t = 0; t < MLX4_EN_NUM_TX_TYPES; t++) |
| for (i = 0; i < priv->tx_ring_num[t]; i++) |
| priv->tx_ring[t][i]->bf_enabled = |
| bf_enabled_new; |
| |
| en_info(priv, "BlueFlame %s\n", |
| bf_enabled_new ? "Enabled" : "Disabled"); |
| } |
| |
| if (phv_enabled_new != phv_enabled_old) { |
| ret = set_phv_bit(mdev->dev, priv->port, (int)phv_enabled_new); |
| if (ret) |
| return ret; |
| else if (phv_enabled_new) |
| priv->pflags |= MLX4_EN_PRIV_FLAGS_PHV; |
| else |
| priv->pflags &= ~MLX4_EN_PRIV_FLAGS_PHV; |
| en_info(priv, "PHV bit %s\n", |
| phv_enabled_new ? "Enabled" : "Disabled"); |
| } |
| return 0; |
| } |
| |
| static u32 mlx4_en_get_priv_flags(struct net_device *dev) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| |
| return priv->pflags; |
| } |
| |
| static int mlx4_en_get_tunable(struct net_device *dev, |
| const struct ethtool_tunable *tuna, |
| void *data) |
| { |
| const struct mlx4_en_priv *priv = netdev_priv(dev); |
| int ret = 0; |
| |
| switch (tuna->id) { |
| case ETHTOOL_TX_COPYBREAK: |
| *(u32 *)data = priv->prof->inline_thold; |
| break; |
| default: |
| ret = -EINVAL; |
| break; |
| } |
| |
| return ret; |
| } |
| |
| static int mlx4_en_set_tunable(struct net_device *dev, |
| const struct ethtool_tunable *tuna, |
| const void *data) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| int val, ret = 0; |
| |
| switch (tuna->id) { |
| case ETHTOOL_TX_COPYBREAK: |
| val = *(u32 *)data; |
| if (val < MIN_PKT_LEN || val > MAX_INLINE) |
| ret = -EINVAL; |
| else |
| priv->prof->inline_thold = val; |
| break; |
| default: |
| ret = -EINVAL; |
| break; |
| } |
| |
| return ret; |
| } |
| |
| static int mlx4_en_get_module_info(struct net_device *dev, |
| struct ethtool_modinfo *modinfo) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| struct mlx4_en_dev *mdev = priv->mdev; |
| int ret; |
| u8 data[4]; |
| |
| /* Read first 2 bytes to get Module & REV ID */ |
| ret = mlx4_get_module_info(mdev->dev, priv->port, |
| 0/*offset*/, 2/*size*/, data); |
| if (ret < 2) |
| return -EIO; |
| |
| switch (data[0] /* identifier */) { |
| case MLX4_MODULE_ID_QSFP: |
| modinfo->type = ETH_MODULE_SFF_8436; |
| modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; |
| break; |
| case MLX4_MODULE_ID_QSFP_PLUS: |
| if (data[1] >= 0x3) { /* revision id */ |
| modinfo->type = ETH_MODULE_SFF_8636; |
| modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; |
| } else { |
| modinfo->type = ETH_MODULE_SFF_8436; |
| modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; |
| } |
| break; |
| case MLX4_MODULE_ID_QSFP28: |
| modinfo->type = ETH_MODULE_SFF_8636; |
| modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; |
| break; |
| case MLX4_MODULE_ID_SFP: |
| modinfo->type = ETH_MODULE_SFF_8472; |
| modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int mlx4_en_get_module_eeprom(struct net_device *dev, |
| struct ethtool_eeprom *ee, |
| u8 *data) |
| { |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| struct mlx4_en_dev *mdev = priv->mdev; |
| int offset = ee->offset; |
| int i = 0, ret; |
| |
| if (ee->len == 0) |
| return -EINVAL; |
| |
| memset(data, 0, ee->len); |
| |
| while (i < ee->len) { |
| en_dbg(DRV, priv, |
| "mlx4_get_module_info i(%d) offset(%d) len(%d)\n", |
| i, offset, ee->len - i); |
| |
| ret = mlx4_get_module_info(mdev->dev, priv->port, |
| offset, ee->len - i, data + i); |
| |
| if (!ret) /* Done reading */ |
| return 0; |
| |
| if (ret < 0) { |
| en_err(priv, |
| "mlx4_get_module_info i(%d) offset(%d) bytes_to_read(%d) - FAILED (0x%x)\n", |
| i, offset, ee->len - i, ret); |
| return 0; |
| } |
| |
| i += ret; |
| offset += ret; |
| } |
| return 0; |
| } |
| |
| static int mlx4_en_set_phys_id(struct net_device *dev, |
| enum ethtool_phys_id_state state) |
| { |
| int err; |
| u16 beacon_duration; |
| struct mlx4_en_priv *priv = netdev_priv(dev); |
| struct mlx4_en_dev *mdev = priv->mdev; |
| |
| if (!(mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PORT_BEACON)) |
| return -EOPNOTSUPP; |
| |
| switch (state) { |
| case ETHTOOL_ID_ACTIVE: |
| beacon_duration = PORT_BEACON_MAX_LIMIT; |
| break; |
| case ETHTOOL_ID_INACTIVE: |
| beacon_duration = 0; |
| break; |
| default: |
| return -EOPNOTSUPP; |
| } |
| |
| err = mlx4_SET_PORT_BEACON(mdev->dev, priv->port, beacon_duration); |
| return err; |
| } |
| |
| const struct ethtool_ops mlx4_en_ethtool_ops = { |
| .get_drvinfo = mlx4_en_get_drvinfo, |
| .get_link_ksettings = mlx4_en_get_link_ksettings, |
| .set_link_ksettings = mlx4_en_set_link_ksettings, |
| .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, |
| .set_phys_id = mlx4_en_set_phys_id, |
| .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_key_size = mlx4_en_get_rxfh_key_size, |
| .get_rxfh = mlx4_en_get_rxfh, |
| .set_rxfh = mlx4_en_set_rxfh, |
| .get_channels = mlx4_en_get_channels, |
| .set_channels = mlx4_en_set_channels, |
| .get_ts_info = mlx4_en_get_ts_info, |
| .set_priv_flags = mlx4_en_set_priv_flags, |
| .get_priv_flags = mlx4_en_get_priv_flags, |
| .get_tunable = mlx4_en_get_tunable, |
| .set_tunable = mlx4_en_set_tunable, |
| .get_module_info = mlx4_en_get_module_info, |
| .get_module_eeprom = mlx4_en_get_module_eeprom |
| }; |
| |
| |
| |
| |
| |