| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Hadar Hen Zion | 2689 | 24.30% | 12 | 12.63% |
| Yevgeny Petrilin | 2346 | 21.20% | 11 | 11.58% |
| Saeed Mahameed | 1765 | 15.95% | 4 | 4.21% |
| Amir Vadai | 887 | 8.02% | 10 | 10.53% |
| Eran Ben Elisha | 672 | 6.07% | 7 | 7.37% |
| David Decotigny | 527 | 4.76% | 1 | 1.05% |
| Matan Barak | 377 | 3.41% | 1 | 1.05% |
| Tariq Toukan | 372 | 3.36% | 4 | 4.21% |
| Eugenia Emantayev | 339 | 3.06% | 5 | 5.26% |
| Eric Dumazet | 284 | 2.57% | 9 | 9.47% |
| Eyal Perry | 138 | 1.25% | 2 | 2.11% |
| Inbar Karmy | 122 | 1.10% | 5 | 5.26% |
| Ido Shamay | 109 | 0.99% | 1 | 1.05% |
| Ariel Levkovich | 96 | 0.87% | 1 | 1.05% |
| Oren Duer | 86 | 0.78% | 1 | 1.05% |
| Moshe Shemesh | 74 | 0.67% | 1 | 1.05% |
| Yan Burman | 48 | 0.43% | 3 | 3.16% |
| Rick Jones | 29 | 0.26% | 1 | 1.05% |
| Shawn Bohrer | 17 | 0.15% | 1 | 1.05% |
| Ben Hutchings | 15 | 0.14% | 1 | 1.05% |
| Or Gerlitz | 14 | 0.13% | 1 | 1.05% |
| Tarick Bedeir | 14 | 0.13% | 1 | 1.05% |
| Ivan Vecera | 10 | 0.09% | 1 | 1.05% |
| Alexander Guller | 6 | 0.05% | 1 | 1.05% |
| Luigi Rizzo | 6 | 0.05% | 1 | 1.05% |
| Erez Alfasi | 5 | 0.05% | 1 | 1.05% |
| Martin KaFai Lau | 4 | 0.04% | 1 | 1.05% |
| Joe Perches | 3 | 0.03% | 1 | 1.05% |
| Fengguang Wu | 2 | 0.02% | 1 | 1.05% |
| Christian Engelmayer | 2 | 0.02% | 1 | 1.05% |
| Yishai Hadas | 2 | 0.02% | 1 | 1.05% |
| Shani Michaelli | 2 | 0.02% | 1 | 1.05% |
| Colin Ian King | 1 | 0.01% | 1 | 1.05% |
| Masanari Iida | 1 | 0.01% | 1 | 1.05% |
| Total | 11064 | 95 |
/* * 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, 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", /* phy statistics */ "rx_packets_phy", "rx_bytes_phy", "tx_packets_phy", "tx_bytes_phy", }; 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); struct mlx4_caps *caps = &priv->mdev->dev->caps; 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 (!(caps->flags & mask)) { wol->supported = 0; wol->wolopts = 0; return; } if (caps->wol_port[priv->port]) wol->supported = WAKE_MAGIC; else wol->supported = 0; 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_ENABLED) && (config & MLX4_EN_WOL_MAGIC)) 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 < NUM_PHY_STATS; i++, bitmap_iterator_inc(&it)) if (bitmap_iterator_test(&it)) data[index++] = ((unsigned long *)&priv->phy_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 < NUM_PHY_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; \ static 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; if (coal->tx_coalesce_usecs > MLX4_EN_MAX_COAL_TIME || coal->rx_coalesce_usecs > MLX4_EN_MAX_COAL_TIME || coal->rx_coalesce_usecs_low > MLX4_EN_MAX_COAL_TIME || coal->rx_coalesce_usecs_high > MLX4_EN_MAX_COAL_TIME) { netdev_info(dev, "%s: maximum coalesce time supported is %d usecs\n", __func__, MLX4_EN_MAX_COAL_TIME); return -ERANGE; } if (coal->tx_max_coalesced_frames > MLX4_EN_MAX_COAL_PKTS || coal->rx_max_coalesced_frames > MLX4_EN_MAX_COAL_PKTS) { netdev_info(dev, "%s: maximum coalesced frames supported is %d\n", __func__, MLX4_EN_MAX_COAL_PKTS); return -ERANGE; } 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; u8 tx_pause, tx_ppp, rx_pause, rx_ppp; int err; if (pause->autoneg) return -EINVAL; tx_pause = !!(pause->tx_pause); rx_pause = !!(pause->rx_pause); rx_ppp = (tx_pause || rx_pause) ? 0 : priv->prof->rx_ppp; tx_ppp = (tx_pause || rx_pause) ? 0 : priv->prof->tx_ppp; err = mlx4_SET_PORT_general(mdev->dev, priv->port, priv->rx_skb_size + ETH_FCS_LEN, tx_pause, tx_ppp, rx_pause, rx_ppp); if (err) { en_err(priv, "Failed setting pause params, err = %d\n", err); return err; } mlx4_en_update_pfc_stats_bitmap(mdev->dev, &priv->stats_bitmap, rx_ppp, rx_pause, tx_ppp, tx_pause); priv->prof->tx_pause = tx_pause; priv->prof->rx_pause = rx_pause; priv->prof->tx_ppp = tx_ppp; priv->prof->rx_ppp = rx_ppp; 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; if (param->rx_pending < MLX4_EN_MIN_RX_SIZE) { en_warn(priv, "%s: rx_pending (%d) < min (%d)\n", __func__, param->rx_pending, MLX4_EN_MIN_RX_SIZE); return -EINVAL; } if (param->tx_pending < MLX4_EN_MIN_TX_SIZE) { en_warn(priv, "%s: tx_pending (%d) < min (%lu)\n", __func__, param->tx_pending, MLX4_EN_MIN_TX_SIZE); return -EINVAL; } rx_size = roundup_pow_of_two(param->rx_pending); tx_size = roundup_pow_of_two(param->tx_pending); 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: cmd->data = MAX_NUM_OF_FS_RULES; 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 int mlx4_en_get_max_num_rx_rings(struct net_device *dev) { return min_t(int, num_online_cpus(), MAX_RX_RINGS); } 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 = mlx4_en_get_max_num_rx_rings(dev); channel->max_tx = priv->mdev->profile.max_num_tx_rings_p_up; channel->rx_count = priv->rx_ring_num; channel->tx_count = priv->tx_ring_num[TX] / priv->prof->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 total_tx_count; int port_up = 0; int xdp_count; int err = 0; u8 up; 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; total_tx_count = channel->tx_count * priv->prof->num_up + xdp_count; if (total_tx_count > MAX_TX_RINGS) { err = -EINVAL; en_err(priv, "Total number of TX and XDP rings (%d) exceeds the maximum supported (%d)\n", total_tx_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 * priv->prof->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_rx_queues(dev, priv->rx_ring_num); up = (priv->prof->num_up == MLX4_EN_NUM_UP_LOW) ? 0 : priv->prof->num_up; mlx4_en_setup_tc(dev, 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; } #define MLX4_EEPROM_PAGE_LEN 256 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 = MLX4_EEPROM_PAGE_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 };
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