| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Moni Shoua | 3244 | 26.97% | 5 | 5.95% |
| Jack Morgenstein | 1953 | 16.24% | 25 | 29.76% |
| Yevgeny Petrilin | 1838 | 15.28% | 8 | 9.52% |
| Eugenia Emantayev | 1559 | 12.96% | 6 | 7.14% |
| Saeed Mahameed | 779 | 6.48% | 1 | 1.19% |
| Matan Barak | 641 | 5.33% | 3 | 3.57% |
| Shaker Daibes | 608 | 5.05% | 3 | 3.57% |
| Roland Dreier | 438 | 3.64% | 2 | 2.38% |
| Vladyslav Tarasiuk | 226 | 1.88% | 1 | 1.19% |
| Or Gerlitz | 191 | 1.59% | 5 | 5.95% |
| Yan Burman | 118 | 0.98% | 1 | 1.19% |
| Ido Shamay | 79 | 0.66% | 2 | 2.38% |
| Marcel Apfelbaum | 70 | 0.58% | 1 | 1.19% |
| Muhammad Mahajna | 57 | 0.47% | 1 | 1.19% |
| Eli Cohen | 47 | 0.39% | 3 | 3.57% |
| Rony Efraim | 45 | 0.37% | 2 | 2.38% |
| Moshe Shemesh | 35 | 0.29% | 1 | 1.19% |
| Rana Shahout | 34 | 0.28% | 1 | 1.19% |
| Hadar Hen Zion | 32 | 0.27% | 3 | 3.57% |
| Yishai Hadas | 16 | 0.13% | 1 | 1.19% |
| Amir Vadai | 4 | 0.03% | 1 | 1.19% |
| Eran Ben Elisha | 3 | 0.02% | 1 | 1.19% |
| Paul Gortmaker | 3 | 0.02% | 1 | 1.19% |
| Joe Perches | 2 | 0.02% | 1 | 1.19% |
| Tariq Toukan | 2 | 0.02% | 1 | 1.19% |
| Oren Duer | 1 | 0.01% | 1 | 1.19% |
| Dan Carpenter | 1 | 0.01% | 1 | 1.19% |
| Lucas De Marchi | 1 | 0.01% | 1 | 1.19% |
| Simon Horman | 1 | 0.01% | 1 | 1.19% |
| Total | 12028 | 84 |
/* * 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/errno.h> #include <linux/if_ether.h> #include <linux/if_vlan.h> #include <linux/export.h> #include <linux/mlx4/cmd.h> #include "mlx4.h" #include "mlx4_stats.h" #define MLX4_MAC_VALID (1ull << 63) #define MLX4_VLAN_VALID (1u << 31) #define MLX4_VLAN_MASK 0xfff #define MLX4_STATS_TRAFFIC_COUNTERS_MASK 0xfULL #define MLX4_STATS_TRAFFIC_DROPS_MASK 0xc0ULL #define MLX4_STATS_ERROR_COUNTERS_MASK 0x1ffc30ULL #define MLX4_STATS_PORT_COUNTERS_MASK 0x1fe00000ULL #define MLX4_FLAG2_V_IGNORE_FCS_MASK BIT(1) #define MLX4_FLAG2_V_USER_MTU_MASK BIT(5) #define MLX4_FLAG2_V_USER_MAC_MASK BIT(6) #define MLX4_FLAG_V_MTU_MASK BIT(0) #define MLX4_FLAG_V_PPRX_MASK BIT(1) #define MLX4_FLAG_V_PPTX_MASK BIT(2) #define MLX4_IGNORE_FCS_MASK 0x1 #define MLX4_TC_MAX_NUMBER 8 void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table) { int i; mutex_init(&table->mutex); for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { table->entries[i] = 0; table->refs[i] = 0; table->is_dup[i] = false; } table->max = 1 << dev->caps.log_num_macs; table->total = 0; } void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table) { int i; mutex_init(&table->mutex); for (i = 0; i < MLX4_MAX_VLAN_NUM; i++) { table->entries[i] = 0; table->refs[i] = 0; table->is_dup[i] = false; } table->max = (1 << dev->caps.log_num_vlans) - MLX4_VLAN_REGULAR; table->total = 0; } void mlx4_init_roce_gid_table(struct mlx4_dev *dev, struct mlx4_roce_gid_table *table) { int i; mutex_init(&table->mutex); for (i = 0; i < MLX4_ROCE_MAX_GIDS; i++) memset(table->roce_gids[i].raw, 0, MLX4_ROCE_GID_ENTRY_SIZE); } static int validate_index(struct mlx4_dev *dev, struct mlx4_mac_table *table, int index) { int err = 0; if (index < 0 || index >= table->max || !table->entries[index]) { mlx4_warn(dev, "No valid Mac entry for the given index\n"); err = -EINVAL; } return err; } static int find_index(struct mlx4_dev *dev, struct mlx4_mac_table *table, u64 mac) { int i; for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { if (table->refs[i] && (MLX4_MAC_MASK & mac) == (MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) return i; } /* Mac not found */ return -EINVAL; } static int mlx4_set_port_mac_table(struct mlx4_dev *dev, u8 port, __be64 *entries) { struct mlx4_cmd_mailbox *mailbox; u32 in_mod; int err; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); memcpy(mailbox->buf, entries, MLX4_MAC_TABLE_SIZE); in_mod = MLX4_SET_PORT_MAC_TABLE << 8 | port; err = mlx4_cmd(dev, mailbox->dma, in_mod, MLX4_SET_PORT_ETH_OPCODE, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); mlx4_free_cmd_mailbox(dev, mailbox); return err; } int mlx4_find_cached_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *idx) { struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; struct mlx4_mac_table *table = &info->mac_table; int i; for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { if (!table->refs[i]) continue; if (mac == (MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) { *idx = i; return 0; } } return -ENOENT; } EXPORT_SYMBOL_GPL(mlx4_find_cached_mac); static bool mlx4_need_mf_bond(struct mlx4_dev *dev) { int i, num_eth_ports = 0; if (!mlx4_is_mfunc(dev)) return false; mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) ++num_eth_ports; return (num_eth_ports == 2) ? true : false; } int __mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac) { struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; struct mlx4_mac_table *table = &info->mac_table; int i, err = 0; int free = -1; int free_for_dup = -1; bool dup = mlx4_is_mf_bonded(dev); u8 dup_port = (port == 1) ? 2 : 1; struct mlx4_mac_table *dup_table = &mlx4_priv(dev)->port[dup_port].mac_table; bool need_mf_bond = mlx4_need_mf_bond(dev); bool can_mf_bond = true; mlx4_dbg(dev, "Registering MAC: 0x%llx for port %d %s duplicate\n", (unsigned long long)mac, port, dup ? "with" : "without"); if (need_mf_bond) { if (port == 1) { mutex_lock(&table->mutex); mutex_lock_nested(&dup_table->mutex, SINGLE_DEPTH_NESTING); } else { mutex_lock(&dup_table->mutex); mutex_lock_nested(&table->mutex, SINGLE_DEPTH_NESTING); } } else { mutex_lock(&table->mutex); } if (need_mf_bond) { int index_at_port = -1; int index_at_dup_port = -1; for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { if (((MLX4_MAC_MASK & mac) == (MLX4_MAC_MASK & be64_to_cpu(table->entries[i])))) index_at_port = i; if (((MLX4_MAC_MASK & mac) == (MLX4_MAC_MASK & be64_to_cpu(dup_table->entries[i])))) index_at_dup_port = i; } /* check that same mac is not in the tables at different indices */ if ((index_at_port != index_at_dup_port) && (index_at_port >= 0) && (index_at_dup_port >= 0)) can_mf_bond = false; /* If the mac is already in the primary table, the slot must be * available in the duplicate table as well. */ if (index_at_port >= 0 && index_at_dup_port < 0 && dup_table->refs[index_at_port]) { can_mf_bond = false; } /* If the mac is already in the duplicate table, check that the * corresponding index is not occupied in the primary table, or * the primary table already contains the mac at the same index. * Otherwise, you cannot bond (primary contains a different mac * at that index). */ if (index_at_dup_port >= 0) { if (!table->refs[index_at_dup_port] || ((MLX4_MAC_MASK & mac) == (MLX4_MAC_MASK & be64_to_cpu(table->entries[index_at_dup_port])))) free_for_dup = index_at_dup_port; else can_mf_bond = false; } } for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { if (!table->refs[i]) { if (free < 0) free = i; if (free_for_dup < 0 && need_mf_bond && can_mf_bond) { if (!dup_table->refs[i]) free_for_dup = i; } continue; } if ((MLX4_MAC_MASK & mac) == (MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) { /* MAC already registered, increment ref count */ err = i; ++table->refs[i]; if (dup) { u64 dup_mac = MLX4_MAC_MASK & be64_to_cpu(dup_table->entries[i]); if (dup_mac != mac || !dup_table->is_dup[i]) { mlx4_warn(dev, "register mac: expect duplicate mac 0x%llx on port %d index %d\n", mac, dup_port, i); } } goto out; } } if (need_mf_bond && (free_for_dup < 0)) { if (dup) { mlx4_warn(dev, "Fail to allocate duplicate MAC table entry\n"); mlx4_warn(dev, "High Availability for virtual functions may not work as expected\n"); dup = false; } can_mf_bond = false; } if (need_mf_bond && can_mf_bond) free = free_for_dup; mlx4_dbg(dev, "Free MAC index is %d\n", free); if (table->total == table->max) { /* No free mac entries */ err = -ENOSPC; goto out; } /* Register new MAC */ table->entries[free] = cpu_to_be64(mac | MLX4_MAC_VALID); err = mlx4_set_port_mac_table(dev, port, table->entries); if (unlikely(err)) { mlx4_err(dev, "Failed adding MAC: 0x%llx\n", (unsigned long long) mac); table->entries[free] = 0; goto out; } table->refs[free] = 1; table->is_dup[free] = false; ++table->total; if (dup) { dup_table->refs[free] = 0; dup_table->is_dup[free] = true; dup_table->entries[free] = cpu_to_be64(mac | MLX4_MAC_VALID); err = mlx4_set_port_mac_table(dev, dup_port, dup_table->entries); if (unlikely(err)) { mlx4_warn(dev, "Failed adding duplicate mac: 0x%llx\n", mac); dup_table->is_dup[free] = false; dup_table->entries[free] = 0; goto out; } ++dup_table->total; } err = free; out: if (need_mf_bond) { if (port == 2) { mutex_unlock(&table->mutex); mutex_unlock(&dup_table->mutex); } else { mutex_unlock(&dup_table->mutex); mutex_unlock(&table->mutex); } } else { mutex_unlock(&table->mutex); } return err; } EXPORT_SYMBOL_GPL(__mlx4_register_mac); int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac) { u64 out_param = 0; int err = -EINVAL; if (mlx4_is_mfunc(dev)) { if (!(dev->flags & MLX4_FLAG_OLD_REG_MAC)) { err = mlx4_cmd_imm(dev, mac, &out_param, ((u32) port) << 8 | (u32) RES_MAC, RES_OP_RESERVE_AND_MAP, MLX4_CMD_ALLOC_RES, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); } if (err && err == -EINVAL && mlx4_is_slave(dev)) { /* retry using old REG_MAC format */ set_param_l(&out_param, port); err = mlx4_cmd_imm(dev, mac, &out_param, RES_MAC, RES_OP_RESERVE_AND_MAP, MLX4_CMD_ALLOC_RES, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); if (!err) dev->flags |= MLX4_FLAG_OLD_REG_MAC; } if (err) return err; return get_param_l(&out_param); } return __mlx4_register_mac(dev, port, mac); } EXPORT_SYMBOL_GPL(mlx4_register_mac); int mlx4_get_base_qpn(struct mlx4_dev *dev, u8 port) { return dev->caps.reserved_qps_base[MLX4_QP_REGION_ETH_ADDR] + (port - 1) * (1 << dev->caps.log_num_macs); } EXPORT_SYMBOL_GPL(mlx4_get_base_qpn); void __mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac) { struct mlx4_port_info *info; struct mlx4_mac_table *table; int index; bool dup = mlx4_is_mf_bonded(dev); u8 dup_port = (port == 1) ? 2 : 1; struct mlx4_mac_table *dup_table = &mlx4_priv(dev)->port[dup_port].mac_table; if (port < 1 || port > dev->caps.num_ports) { mlx4_warn(dev, "invalid port number (%d), aborting...\n", port); return; } info = &mlx4_priv(dev)->port[port]; table = &info->mac_table; if (dup) { if (port == 1) { mutex_lock(&table->mutex); mutex_lock_nested(&dup_table->mutex, SINGLE_DEPTH_NESTING); } else { mutex_lock(&dup_table->mutex); mutex_lock_nested(&table->mutex, SINGLE_DEPTH_NESTING); } } else { mutex_lock(&table->mutex); } index = find_index(dev, table, mac); if (validate_index(dev, table, index)) goto out; if (--table->refs[index] || table->is_dup[index]) { mlx4_dbg(dev, "Have more references for index %d, no need to modify mac table\n", index); if (!table->refs[index]) dup_table->is_dup[index] = false; goto out; } table->entries[index] = 0; if (mlx4_set_port_mac_table(dev, port, table->entries)) mlx4_warn(dev, "Fail to set mac in port %d during unregister\n", port); --table->total; if (dup) { dup_table->is_dup[index] = false; if (dup_table->refs[index]) goto out; dup_table->entries[index] = 0; if (mlx4_set_port_mac_table(dev, dup_port, dup_table->entries)) mlx4_warn(dev, "Fail to set mac in duplicate port %d during unregister\n", dup_port); --table->total; } out: if (dup) { if (port == 2) { mutex_unlock(&table->mutex); mutex_unlock(&dup_table->mutex); } else { mutex_unlock(&dup_table->mutex); mutex_unlock(&table->mutex); } } else { mutex_unlock(&table->mutex); } } EXPORT_SYMBOL_GPL(__mlx4_unregister_mac); void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac) { u64 out_param = 0; if (mlx4_is_mfunc(dev)) { if (!(dev->flags & MLX4_FLAG_OLD_REG_MAC)) { (void) mlx4_cmd_imm(dev, mac, &out_param, ((u32) port) << 8 | (u32) RES_MAC, RES_OP_RESERVE_AND_MAP, MLX4_CMD_FREE_RES, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); } else { /* use old unregister mac format */ set_param_l(&out_param, port); (void) mlx4_cmd_imm(dev, mac, &out_param, RES_MAC, RES_OP_RESERVE_AND_MAP, MLX4_CMD_FREE_RES, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); } return; } __mlx4_unregister_mac(dev, port, mac); return; } EXPORT_SYMBOL_GPL(mlx4_unregister_mac); int __mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac) { struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; struct mlx4_mac_table *table = &info->mac_table; int index = qpn - info->base_qpn; int err = 0; bool dup = mlx4_is_mf_bonded(dev); u8 dup_port = (port == 1) ? 2 : 1; struct mlx4_mac_table *dup_table = &mlx4_priv(dev)->port[dup_port].mac_table; /* CX1 doesn't support multi-functions */ if (dup) { if (port == 1) { mutex_lock(&table->mutex); mutex_lock_nested(&dup_table->mutex, SINGLE_DEPTH_NESTING); } else { mutex_lock(&dup_table->mutex); mutex_lock_nested(&table->mutex, SINGLE_DEPTH_NESTING); } } else { mutex_lock(&table->mutex); } err = validate_index(dev, table, index); if (err) goto out; table->entries[index] = cpu_to_be64(new_mac | MLX4_MAC_VALID); err = mlx4_set_port_mac_table(dev, port, table->entries); if (unlikely(err)) { mlx4_err(dev, "Failed adding MAC: 0x%llx\n", (unsigned long long) new_mac); table->entries[index] = 0; } else { if (dup) { dup_table->entries[index] = cpu_to_be64(new_mac | MLX4_MAC_VALID); err = mlx4_set_port_mac_table(dev, dup_port, dup_table->entries); if (unlikely(err)) { mlx4_err(dev, "Failed adding duplicate MAC: 0x%llx\n", (unsigned long long)new_mac); dup_table->entries[index] = 0; } } } out: if (dup) { if (port == 2) { mutex_unlock(&table->mutex); mutex_unlock(&dup_table->mutex); } else { mutex_unlock(&dup_table->mutex); mutex_unlock(&table->mutex); } } else { mutex_unlock(&table->mutex); } return err; } EXPORT_SYMBOL_GPL(__mlx4_replace_mac); static int mlx4_set_port_vlan_table(struct mlx4_dev *dev, u8 port, __be32 *entries) { struct mlx4_cmd_mailbox *mailbox; u32 in_mod; int err; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); memcpy(mailbox->buf, entries, MLX4_VLAN_TABLE_SIZE); in_mod = MLX4_SET_PORT_VLAN_TABLE << 8 | port; err = mlx4_cmd(dev, mailbox->dma, in_mod, MLX4_SET_PORT_ETH_OPCODE, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); mlx4_free_cmd_mailbox(dev, mailbox); return err; } int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx) { struct mlx4_vlan_table *table = &mlx4_priv(dev)->port[port].vlan_table; int i; for (i = 0; i < MLX4_MAX_VLAN_NUM; ++i) { if (table->refs[i] && (vid == (MLX4_VLAN_MASK & be32_to_cpu(table->entries[i])))) { /* VLAN already registered, increase reference count */ *idx = i; return 0; } } return -ENOENT; } EXPORT_SYMBOL_GPL(mlx4_find_cached_vlan); int __mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index) { struct mlx4_vlan_table *table = &mlx4_priv(dev)->port[port].vlan_table; int i, err = 0; int free = -1; int free_for_dup = -1; bool dup = mlx4_is_mf_bonded(dev); u8 dup_port = (port == 1) ? 2 : 1; struct mlx4_vlan_table *dup_table = &mlx4_priv(dev)->port[dup_port].vlan_table; bool need_mf_bond = mlx4_need_mf_bond(dev); bool can_mf_bond = true; mlx4_dbg(dev, "Registering VLAN: %d for port %d %s duplicate\n", vlan, port, dup ? "with" : "without"); if (need_mf_bond) { if (port == 1) { mutex_lock(&table->mutex); mutex_lock_nested(&dup_table->mutex, SINGLE_DEPTH_NESTING); } else { mutex_lock(&dup_table->mutex); mutex_lock_nested(&table->mutex, SINGLE_DEPTH_NESTING); } } else { mutex_lock(&table->mutex); } if (table->total == table->max) { /* No free vlan entries */ err = -ENOSPC; goto out; } if (need_mf_bond) { int index_at_port = -1; int index_at_dup_port = -1; for (i = MLX4_VLAN_REGULAR; i < MLX4_MAX_VLAN_NUM; i++) { if (vlan == (MLX4_VLAN_MASK & be32_to_cpu(table->entries[i]))) index_at_port = i; if (vlan == (MLX4_VLAN_MASK & be32_to_cpu(dup_table->entries[i]))) index_at_dup_port = i; } /* check that same vlan is not in the tables at different indices */ if ((index_at_port != index_at_dup_port) && (index_at_port >= 0) && (index_at_dup_port >= 0)) can_mf_bond = false; /* If the vlan is already in the primary table, the slot must be * available in the duplicate table as well. */ if (index_at_port >= 0 && index_at_dup_port < 0 && dup_table->refs[index_at_port]) { can_mf_bond = false; } /* If the vlan is already in the duplicate table, check that the * corresponding index is not occupied in the primary table, or * the primary table already contains the vlan at the same index. * Otherwise, you cannot bond (primary contains a different vlan * at that index). */ if (index_at_dup_port >= 0) { if (!table->refs[index_at_dup_port] || (vlan == (MLX4_VLAN_MASK & be32_to_cpu(dup_table->entries[index_at_dup_port])))) free_for_dup = index_at_dup_port; else can_mf_bond = false; } } for (i = MLX4_VLAN_REGULAR; i < MLX4_MAX_VLAN_NUM; i++) { if (!table->refs[i]) { if (free < 0) free = i; if (free_for_dup < 0 && need_mf_bond && can_mf_bond) { if (!dup_table->refs[i]) free_for_dup = i; } } if ((table->refs[i] || table->is_dup[i]) && (vlan == (MLX4_VLAN_MASK & be32_to_cpu(table->entries[i])))) { /* Vlan already registered, increase references count */ mlx4_dbg(dev, "vlan %u is already registered.\n", vlan); *index = i; ++table->refs[i]; if (dup) { u16 dup_vlan = MLX4_VLAN_MASK & be32_to_cpu(dup_table->entries[i]); if (dup_vlan != vlan || !dup_table->is_dup[i]) { mlx4_warn(dev, "register vlan: expected duplicate vlan %u on port %d index %d\n", vlan, dup_port, i); } } goto out; } } if (need_mf_bond && (free_for_dup < 0)) { if (dup) { mlx4_warn(dev, "Fail to allocate duplicate VLAN table entry\n"); mlx4_warn(dev, "High Availability for virtual functions may not work as expected\n"); dup = false; } can_mf_bond = false; } if (need_mf_bond && can_mf_bond) free = free_for_dup; if (free < 0) { err = -ENOMEM; goto out; } /* Register new VLAN */ table->refs[free] = 1; table->is_dup[free] = false; table->entries[free] = cpu_to_be32(vlan | MLX4_VLAN_VALID); err = mlx4_set_port_vlan_table(dev, port, table->entries); if (unlikely(err)) { mlx4_warn(dev, "Failed adding vlan: %u\n", vlan); table->refs[free] = 0; table->entries[free] = 0; goto out; } ++table->total; if (dup) { dup_table->refs[free] = 0; dup_table->is_dup[free] = true; dup_table->entries[free] = cpu_to_be32(vlan | MLX4_VLAN_VALID); err = mlx4_set_port_vlan_table(dev, dup_port, dup_table->entries); if (unlikely(err)) { mlx4_warn(dev, "Failed adding duplicate vlan: %u\n", vlan); dup_table->is_dup[free] = false; dup_table->entries[free] = 0; goto out; } ++dup_table->total; } *index = free; out: if (need_mf_bond) { if (port == 2) { mutex_unlock(&table->mutex); mutex_unlock(&dup_table->mutex); } else { mutex_unlock(&dup_table->mutex); mutex_unlock(&table->mutex); } } else { mutex_unlock(&table->mutex); } return err; } int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index) { u64 out_param = 0; int err; if (vlan > 4095) return -EINVAL; if (mlx4_is_mfunc(dev)) { err = mlx4_cmd_imm(dev, vlan, &out_param, ((u32) port) << 8 | (u32) RES_VLAN, RES_OP_RESERVE_AND_MAP, MLX4_CMD_ALLOC_RES, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); if (!err) *index = get_param_l(&out_param); return err; } return __mlx4_register_vlan(dev, port, vlan, index); } EXPORT_SYMBOL_GPL(mlx4_register_vlan); void __mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan) { struct mlx4_vlan_table *table = &mlx4_priv(dev)->port[port].vlan_table; int index; bool dup = mlx4_is_mf_bonded(dev); u8 dup_port = (port == 1) ? 2 : 1; struct mlx4_vlan_table *dup_table = &mlx4_priv(dev)->port[dup_port].vlan_table; if (dup) { if (port == 1) { mutex_lock(&table->mutex); mutex_lock_nested(&dup_table->mutex, SINGLE_DEPTH_NESTING); } else { mutex_lock(&dup_table->mutex); mutex_lock_nested(&table->mutex, SINGLE_DEPTH_NESTING); } } else { mutex_lock(&table->mutex); } if (mlx4_find_cached_vlan(dev, port, vlan, &index)) { mlx4_warn(dev, "vlan 0x%x is not in the vlan table\n", vlan); goto out; } if (index < MLX4_VLAN_REGULAR) { mlx4_warn(dev, "Trying to free special vlan index %d\n", index); goto out; } if (--table->refs[index] || table->is_dup[index]) { mlx4_dbg(dev, "Have %d more references for index %d, no need to modify vlan table\n", table->refs[index], index); if (!table->refs[index]) dup_table->is_dup[index] = false; goto out; } table->entries[index] = 0; if (mlx4_set_port_vlan_table(dev, port, table->entries)) mlx4_warn(dev, "Fail to set vlan in port %d during unregister\n", port); --table->total; if (dup) { dup_table->is_dup[index] = false; if (dup_table->refs[index]) goto out; dup_table->entries[index] = 0; if (mlx4_set_port_vlan_table(dev, dup_port, dup_table->entries)) mlx4_warn(dev, "Fail to set vlan in duplicate port %d during unregister\n", dup_port); --dup_table->total; } out: if (dup) { if (port == 2) { mutex_unlock(&table->mutex); mutex_unlock(&dup_table->mutex); } else { mutex_unlock(&dup_table->mutex); mutex_unlock(&table->mutex); } } else { mutex_unlock(&table->mutex); } } void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan) { u64 out_param = 0; if (mlx4_is_mfunc(dev)) { (void) mlx4_cmd_imm(dev, vlan, &out_param, ((u32) port) << 8 | (u32) RES_VLAN, RES_OP_RESERVE_AND_MAP, MLX4_CMD_FREE_RES, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); return; } __mlx4_unregister_vlan(dev, port, vlan); } EXPORT_SYMBOL_GPL(mlx4_unregister_vlan); int mlx4_bond_mac_table(struct mlx4_dev *dev) { struct mlx4_mac_table *t1 = &mlx4_priv(dev)->port[1].mac_table; struct mlx4_mac_table *t2 = &mlx4_priv(dev)->port[2].mac_table; int ret = 0; int i; bool update1 = false; bool update2 = false; mutex_lock(&t1->mutex); mutex_lock(&t2->mutex); for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { if ((t1->entries[i] != t2->entries[i]) && t1->entries[i] && t2->entries[i]) { mlx4_warn(dev, "can't duplicate entry %d in mac table\n", i); ret = -EINVAL; goto unlock; } } for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { if (t1->entries[i] && !t2->entries[i]) { t2->entries[i] = t1->entries[i]; t2->is_dup[i] = true; update2 = true; } else if (!t1->entries[i] && t2->entries[i]) { t1->entries[i] = t2->entries[i]; t1->is_dup[i] = true; update1 = true; } else if (t1->entries[i] && t2->entries[i]) { t1->is_dup[i] = true; t2->is_dup[i] = true; } } if (update1) { ret = mlx4_set_port_mac_table(dev, 1, t1->entries); if (ret) mlx4_warn(dev, "failed to set MAC table for port 1 (%d)\n", ret); } if (!ret && update2) { ret = mlx4_set_port_mac_table(dev, 2, t2->entries); if (ret) mlx4_warn(dev, "failed to set MAC table for port 2 (%d)\n", ret); } if (ret) mlx4_warn(dev, "failed to create mirror MAC tables\n"); unlock: mutex_unlock(&t2->mutex); mutex_unlock(&t1->mutex); return ret; } int mlx4_unbond_mac_table(struct mlx4_dev *dev) { struct mlx4_mac_table *t1 = &mlx4_priv(dev)->port[1].mac_table; struct mlx4_mac_table *t2 = &mlx4_priv(dev)->port[2].mac_table; int ret = 0; int ret1; int i; bool update1 = false; bool update2 = false; mutex_lock(&t1->mutex); mutex_lock(&t2->mutex); for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { if (t1->entries[i] != t2->entries[i]) { mlx4_warn(dev, "mac table is in an unexpected state when trying to unbond\n"); ret = -EINVAL; goto unlock; } } for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { if (!t1->entries[i]) continue; t1->is_dup[i] = false; if (!t1->refs[i]) { t1->entries[i] = 0; update1 = true; } t2->is_dup[i] = false; if (!t2->refs[i]) { t2->entries[i] = 0; update2 = true; } } if (update1) { ret = mlx4_set_port_mac_table(dev, 1, t1->entries); if (ret) mlx4_warn(dev, "failed to unmirror MAC tables for port 1(%d)\n", ret); } if (update2) { ret1 = mlx4_set_port_mac_table(dev, 2, t2->entries); if (ret1) { mlx4_warn(dev, "failed to unmirror MAC tables for port 2(%d)\n", ret1); ret = ret1; } } unlock: mutex_unlock(&t2->mutex); mutex_unlock(&t1->mutex); return ret; } int mlx4_bond_vlan_table(struct mlx4_dev *dev) { struct mlx4_vlan_table *t1 = &mlx4_priv(dev)->port[1].vlan_table; struct mlx4_vlan_table *t2 = &mlx4_priv(dev)->port[2].vlan_table; int ret = 0; int i; bool update1 = false; bool update2 = false; mutex_lock(&t1->mutex); mutex_lock(&t2->mutex); for (i = 0; i < MLX4_MAX_VLAN_NUM; i++) { if ((t1->entries[i] != t2->entries[i]) && t1->entries[i] && t2->entries[i]) { mlx4_warn(dev, "can't duplicate entry %d in vlan table\n", i); ret = -EINVAL; goto unlock; } } for (i = 0; i < MLX4_MAX_VLAN_NUM; i++) { if (t1->entries[i] && !t2->entries[i]) { t2->entries[i] = t1->entries[i]; t2->is_dup[i] = true; update2 = true; } else if (!t1->entries[i] && t2->entries[i]) { t1->entries[i] = t2->entries[i]; t1->is_dup[i] = true; update1 = true; } else if (t1->entries[i] && t2->entries[i]) { t1->is_dup[i] = true; t2->is_dup[i] = true; } } if (update1) { ret = mlx4_set_port_vlan_table(dev, 1, t1->entries); if (ret) mlx4_warn(dev, "failed to set VLAN table for port 1 (%d)\n", ret); } if (!ret && update2) { ret = mlx4_set_port_vlan_table(dev, 2, t2->entries); if (ret) mlx4_warn(dev, "failed to set VLAN table for port 2 (%d)\n", ret); } if (ret) mlx4_warn(dev, "failed to create mirror VLAN tables\n"); unlock: mutex_unlock(&t2->mutex); mutex_unlock(&t1->mutex); return ret; } int mlx4_unbond_vlan_table(struct mlx4_dev *dev) { struct mlx4_vlan_table *t1 = &mlx4_priv(dev)->port[1].vlan_table; struct mlx4_vlan_table *t2 = &mlx4_priv(dev)->port[2].vlan_table; int ret = 0; int ret1; int i; bool update1 = false; bool update2 = false; mutex_lock(&t1->mutex); mutex_lock(&t2->mutex); for (i = 0; i < MLX4_MAX_VLAN_NUM; i++) { if (t1->entries[i] != t2->entries[i]) { mlx4_warn(dev, "vlan table is in an unexpected state when trying to unbond\n"); ret = -EINVAL; goto unlock; } } for (i = 0; i < MLX4_MAX_VLAN_NUM; i++) { if (!t1->entries[i]) continue; t1->is_dup[i] = false; if (!t1->refs[i]) { t1->entries[i] = 0; update1 = true; } t2->is_dup[i] = false; if (!t2->refs[i]) { t2->entries[i] = 0; update2 = true; } } if (update1) { ret = mlx4_set_port_vlan_table(dev, 1, t1->entries); if (ret) mlx4_warn(dev, "failed to unmirror VLAN tables for port 1(%d)\n", ret); } if (update2) { ret1 = mlx4_set_port_vlan_table(dev, 2, t2->entries); if (ret1) { mlx4_warn(dev, "failed to unmirror VLAN tables for port 2(%d)\n", ret1); ret = ret1; } } unlock: mutex_unlock(&t2->mutex); mutex_unlock(&t1->mutex); return ret; } int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps) { struct mlx4_cmd_mailbox *inmailbox, *outmailbox; u8 *inbuf, *outbuf; int err; inmailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(inmailbox)) return PTR_ERR(inmailbox); outmailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(outmailbox)) { mlx4_free_cmd_mailbox(dev, inmailbox); return PTR_ERR(outmailbox); } inbuf = inmailbox->buf; outbuf = outmailbox->buf; inbuf[0] = 1; inbuf[1] = 1; inbuf[2] = 1; inbuf[3] = 1; *(__be16 *) (&inbuf[16]) = cpu_to_be16(0x0015); *(__be32 *) (&inbuf[20]) = cpu_to_be32(port); err = mlx4_cmd_box(dev, inmailbox->dma, outmailbox->dma, port, 3, MLX4_CMD_MAD_IFC, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); if (!err) *caps = *(__be32 *) (outbuf + 84); mlx4_free_cmd_mailbox(dev, inmailbox); mlx4_free_cmd_mailbox(dev, outmailbox); return err; } static struct mlx4_roce_gid_entry zgid_entry; int mlx4_get_slave_num_gids(struct mlx4_dev *dev, int slave, int port) { int vfs; int slave_gid = slave; unsigned i; struct mlx4_slaves_pport slaves_pport; struct mlx4_active_ports actv_ports; unsigned max_port_p_one; if (slave == 0) return MLX4_ROCE_PF_GIDS; /* Slave is a VF */ slaves_pport = mlx4_phys_to_slaves_pport(dev, port); actv_ports = mlx4_get_active_ports(dev, slave); max_port_p_one = find_first_bit(actv_ports.ports, dev->caps.num_ports) + bitmap_weight(actv_ports.ports, dev->caps.num_ports) + 1; for (i = 1; i < max_port_p_one; i++) { struct mlx4_active_ports exclusive_ports; struct mlx4_slaves_pport slaves_pport_actv; bitmap_zero(exclusive_ports.ports, dev->caps.num_ports); set_bit(i - 1, exclusive_ports.ports); if (i == port) continue; slaves_pport_actv = mlx4_phys_to_slaves_pport_actv( dev, &exclusive_ports); slave_gid -= bitmap_weight(slaves_pport_actv.slaves, dev->persist->num_vfs + 1); } vfs = bitmap_weight(slaves_pport.slaves, dev->persist->num_vfs + 1) - 1; if (slave_gid <= ((MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS) % vfs)) return ((MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS) / vfs) + 1; return (MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS) / vfs; } int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave, int port) { int gids; unsigned i; int slave_gid = slave; int vfs; struct mlx4_slaves_pport slaves_pport; struct mlx4_active_ports actv_ports; unsigned max_port_p_one; if (slave == 0) return 0; slaves_pport = mlx4_phys_to_slaves_pport(dev, port); actv_ports = mlx4_get_active_ports(dev, slave); max_port_p_one = find_first_bit(actv_ports.ports, dev->caps.num_ports) + bitmap_weight(actv_ports.ports, dev->caps.num_ports) + 1; for (i = 1; i < max_port_p_one; i++) { struct mlx4_active_ports exclusive_ports; struct mlx4_slaves_pport slaves_pport_actv; bitmap_zero(exclusive_ports.ports, dev->caps.num_ports); set_bit(i - 1, exclusive_ports.ports); if (i == port) continue; slaves_pport_actv = mlx4_phys_to_slaves_pport_actv( dev, &exclusive_ports); slave_gid -= bitmap_weight(slaves_pport_actv.slaves, dev->persist->num_vfs + 1); } gids = MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS; vfs = bitmap_weight(slaves_pport.slaves, dev->persist->num_vfs + 1) - 1; if (slave_gid <= gids % vfs) return MLX4_ROCE_PF_GIDS + ((gids / vfs) + 1) * (slave_gid - 1); return MLX4_ROCE_PF_GIDS + (gids % vfs) + ((gids / vfs) * (slave_gid - 1)); } EXPORT_SYMBOL_GPL(mlx4_get_base_gid_ix); static int mlx4_reset_roce_port_gids(struct mlx4_dev *dev, int slave, int port, struct mlx4_cmd_mailbox *mailbox) { struct mlx4_roce_gid_entry *gid_entry_mbox; struct mlx4_priv *priv = mlx4_priv(dev); int num_gids, base, offset; int i, err; num_gids = mlx4_get_slave_num_gids(dev, slave, port); base = mlx4_get_base_gid_ix(dev, slave, port); memset(mailbox->buf, 0, MLX4_MAILBOX_SIZE); mutex_lock(&(priv->port[port].gid_table.mutex)); /* Zero-out gids belonging to that slave in the port GID table */ for (i = 0, offset = base; i < num_gids; offset++, i++) memcpy(priv->port[port].gid_table.roce_gids[offset].raw, zgid_entry.raw, MLX4_ROCE_GID_ENTRY_SIZE); /* Now, copy roce port gids table to mailbox for passing to FW */ gid_entry_mbox = (struct mlx4_roce_gid_entry *)mailbox->buf; for (i = 0; i < MLX4_ROCE_MAX_GIDS; gid_entry_mbox++, i++) memcpy(gid_entry_mbox->raw, priv->port[port].gid_table.roce_gids[i].raw, MLX4_ROCE_GID_ENTRY_SIZE); err = mlx4_cmd(dev, mailbox->dma, ((u32)port) | (MLX4_SET_PORT_GID_TABLE << 8), MLX4_SET_PORT_ETH_OPCODE, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); mutex_unlock(&(priv->port[port].gid_table.mutex)); return err; } void mlx4_reset_roce_gids(struct mlx4_dev *dev, int slave) { struct mlx4_active_ports actv_ports; struct mlx4_cmd_mailbox *mailbox; int num_eth_ports, err; int i; if (slave < 0 || slave > dev->persist->num_vfs) return; actv_ports = mlx4_get_active_ports(dev, slave); for (i = 0, num_eth_ports = 0; i < dev->caps.num_ports; i++) { if (test_bit(i, actv_ports.ports)) { if (dev->caps.port_type[i + 1] != MLX4_PORT_TYPE_ETH) continue; num_eth_ports++; } } if (!num_eth_ports) return; /* have ETH ports. Alloc mailbox for SET_PORT command */ mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return; for (i = 0; i < dev->caps.num_ports; i++) { if (test_bit(i, actv_ports.ports)) { if (dev->caps.port_type[i + 1] != MLX4_PORT_TYPE_ETH) continue; err = mlx4_reset_roce_port_gids(dev, slave, i + 1, mailbox); if (err) mlx4_warn(dev, "Could not reset ETH port GID table for slave %d, port %d (%d)\n", slave, i + 1, err); } } mlx4_free_cmd_mailbox(dev, mailbox); return; } static void mlx4_en_set_port_mtu(struct mlx4_dev *dev, int slave, int port, struct mlx4_set_port_general_context *gen_context) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_mfunc_master_ctx *master = &priv->mfunc.master; struct mlx4_slave_state *slave_st = &master->slave_state[slave]; u16 mtu, prev_mtu; /* Mtu is configured as the max USER_MTU among all * the functions on the port. */ mtu = be16_to_cpu(gen_context->mtu); mtu = min_t(int, mtu, dev->caps.eth_mtu_cap[port] + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN); prev_mtu = slave_st->mtu[port]; slave_st->mtu[port] = mtu; if (mtu > master->max_mtu[port]) master->max_mtu[port] = mtu; if (mtu < prev_mtu && prev_mtu == master->max_mtu[port]) { int i; slave_st->mtu[port] = mtu; master->max_mtu[port] = mtu; for (i = 0; i < dev->num_slaves; i++) master->max_mtu[port] = max_t(u16, master->max_mtu[port], master->slave_state[i].mtu[port]); } gen_context->mtu = cpu_to_be16(master->max_mtu[port]); } static void mlx4_en_set_port_user_mtu(struct mlx4_dev *dev, int slave, int port, struct mlx4_set_port_general_context *gen_context) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_mfunc_master_ctx *master = &priv->mfunc.master; struct mlx4_slave_state *slave_st = &master->slave_state[slave]; u16 user_mtu, prev_user_mtu; /* User Mtu is configured as the max USER_MTU among all * the functions on the port. */ user_mtu = be16_to_cpu(gen_context->user_mtu); user_mtu = min_t(int, user_mtu, dev->caps.eth_mtu_cap[port]); prev_user_mtu = slave_st->user_mtu[port]; slave_st->user_mtu[port] = user_mtu; if (user_mtu > master->max_user_mtu[port]) master->max_user_mtu[port] = user_mtu; if (user_mtu < prev_user_mtu && prev_user_mtu == master->max_user_mtu[port]) { int i; slave_st->user_mtu[port] = user_mtu; master->max_user_mtu[port] = user_mtu; for (i = 0; i < dev->num_slaves; i++) master->max_user_mtu[port] = max_t(u16, master->max_user_mtu[port], master->slave_state[i].user_mtu[port]); } gen_context->user_mtu = cpu_to_be16(master->max_user_mtu[port]); } static void mlx4_en_set_port_global_pause(struct mlx4_dev *dev, int slave, struct mlx4_set_port_general_context *gen_context) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_mfunc_master_ctx *master = &priv->mfunc.master; /* Slave cannot change Global Pause configuration */ if (slave != mlx4_master_func_num(dev) && (gen_context->pptx != master->pptx || gen_context->pprx != master->pprx)) { gen_context->pptx = master->pptx; gen_context->pprx = master->pprx; mlx4_warn(dev, "denying Global Pause change for slave:%d\n", slave); } else { master->pptx = gen_context->pptx; master->pprx = gen_context->pprx; } } static int mlx4_common_set_port(struct mlx4_dev *dev, int slave, u32 in_mod, u8 op_mod, struct mlx4_cmd_mailbox *inbox) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_port_info *port_info; struct mlx4_set_port_rqp_calc_context *qpn_context; struct mlx4_set_port_general_context *gen_context; struct mlx4_roce_gid_entry *gid_entry_tbl, *gid_entry_mbox, *gid_entry_mb1; int reset_qkey_viols; int port; int is_eth; int num_gids; int base; u32 in_modifier; u32 promisc; int err; int i, j; int offset; __be32 agg_cap_mask; __be32 slave_cap_mask; __be32 new_cap_mask; port = in_mod & 0xff; in_modifier = in_mod >> 8; is_eth = op_mod; port_info = &priv->port[port]; /* Slaves cannot perform SET_PORT operations, * except for changing MTU and USER_MTU. */ if (is_eth) { if (slave != dev->caps.function && in_modifier != MLX4_SET_PORT_GENERAL && in_modifier != MLX4_SET_PORT_GID_TABLE) { mlx4_warn(dev, "denying SET_PORT for slave:%d\n", slave); return -EINVAL; } switch (in_modifier) { case MLX4_SET_PORT_RQP_CALC: qpn_context = inbox->buf; qpn_context->base_qpn = cpu_to_be32(port_info->base_qpn); qpn_context->n_mac = 0x7; promisc = be32_to_cpu(qpn_context->promisc) >> SET_PORT_PROMISC_SHIFT; qpn_context->promisc = cpu_to_be32( promisc << SET_PORT_PROMISC_SHIFT | port_info->base_qpn); promisc = be32_to_cpu(qpn_context->mcast) >> SET_PORT_MC_PROMISC_SHIFT; qpn_context->mcast = cpu_to_be32( promisc << SET_PORT_MC_PROMISC_SHIFT | port_info->base_qpn); break; case MLX4_SET_PORT_GENERAL: gen_context = inbox->buf; if (gen_context->flags & MLX4_FLAG_V_MTU_MASK) mlx4_en_set_port_mtu(dev, slave, port, gen_context); if (gen_context->flags2 & MLX4_FLAG2_V_USER_MTU_MASK) mlx4_en_set_port_user_mtu(dev, slave, port, gen_context); if (gen_context->flags & (MLX4_FLAG_V_PPRX_MASK | MLX4_FLAG_V_PPTX_MASK)) mlx4_en_set_port_global_pause(dev, slave, gen_context); break; case MLX4_SET_PORT_GID_TABLE: /* change to MULTIPLE entries: number of guest's gids * need a FOR-loop here over number of gids the guest has. * 1. Check no duplicates in gids passed by slave */ num_gids = mlx4_get_slave_num_gids(dev, slave, port); base = mlx4_get_base_gid_ix(dev, slave, port); gid_entry_mbox = (struct mlx4_roce_gid_entry *)(inbox->buf); for (i = 0; i < num_gids; gid_entry_mbox++, i++) { if (!memcmp(gid_entry_mbox->raw, zgid_entry.raw, sizeof(zgid_entry))) continue; gid_entry_mb1 = gid_entry_mbox + 1; for (j = i + 1; j < num_gids; gid_entry_mb1++, j++) { if (!memcmp(gid_entry_mb1->raw, zgid_entry.raw, sizeof(zgid_entry))) continue; if (!memcmp(gid_entry_mb1->raw, gid_entry_mbox->raw, sizeof(gid_entry_mbox->raw))) { /* found duplicate */ return -EINVAL; } } } /* 2. Check that do not have duplicates in OTHER * entries in the port GID table */ mutex_lock(&(priv->port[port].gid_table.mutex)); for (i = 0; i < MLX4_ROCE_MAX_GIDS; i++) { if (i >= base && i < base + num_gids) continue; /* don't compare to slave's current gids */ gid_entry_tbl = &priv->port[port].gid_table.roce_gids[i]; if (!memcmp(gid_entry_tbl->raw, zgid_entry.raw, sizeof(zgid_entry))) continue; gid_entry_mbox = (struct mlx4_roce_gid_entry *)(inbox->buf); for (j = 0; j < num_gids; gid_entry_mbox++, j++) { if (!memcmp(gid_entry_mbox->raw, zgid_entry.raw, sizeof(zgid_entry))) continue; if (!memcmp(gid_entry_mbox->raw, gid_entry_tbl->raw, sizeof(gid_entry_tbl->raw))) { /* found duplicate */ mlx4_warn(dev, "requested gid entry for slave:%d is a duplicate of gid at index %d\n", slave, i); mutex_unlock(&(priv->port[port].gid_table.mutex)); return -EINVAL; } } } /* insert slave GIDs with memcpy, starting at slave's base index */ gid_entry_mbox = (struct mlx4_roce_gid_entry *)(inbox->buf); for (i = 0, offset = base; i < num_gids; gid_entry_mbox++, offset++, i++) memcpy(priv->port[port].gid_table.roce_gids[offset].raw, gid_entry_mbox->raw, MLX4_ROCE_GID_ENTRY_SIZE); /* Now, copy roce port gids table to current mailbox for passing to FW */ gid_entry_mbox = (struct mlx4_roce_gid_entry *)(inbox->buf); for (i = 0; i < MLX4_ROCE_MAX_GIDS; gid_entry_mbox++, i++) memcpy(gid_entry_mbox->raw, priv->port[port].gid_table.roce_gids[i].raw, MLX4_ROCE_GID_ENTRY_SIZE); err = mlx4_cmd(dev, inbox->dma, in_mod & 0xffff, op_mod, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); mutex_unlock(&(priv->port[port].gid_table.mutex)); return err; } return mlx4_cmd(dev, inbox->dma, in_mod & 0xffff, op_mod, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); } /* Slaves are not allowed to SET_PORT beacon (LED) blink */ if (op_mod == MLX4_SET_PORT_BEACON_OPCODE) { mlx4_warn(dev, "denying SET_PORT Beacon slave:%d\n", slave); return -EPERM; } /* For IB, we only consider: * - The capability mask, which is set to the aggregate of all * slave function capabilities * - The QKey violatin counter - reset according to each request. */ if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { reset_qkey_viols = (*(u8 *) inbox->buf) & 0x40; new_cap_mask = ((__be32 *) inbox->buf)[2]; } else { reset_qkey_viols = ((u8 *) inbox->buf)[3] & 0x1; new_cap_mask = ((__be32 *) inbox->buf)[1]; } /* slave may not set the IS_SM capability for the port */ if (slave != mlx4_master_func_num(dev) && (be32_to_cpu(new_cap_mask) & MLX4_PORT_CAP_IS_SM)) return -EINVAL; /* No DEV_MGMT in multifunc mode */ if (mlx4_is_mfunc(dev) && (be32_to_cpu(new_cap_mask) & MLX4_PORT_CAP_DEV_MGMT_SUP)) return -EINVAL; agg_cap_mask = 0; slave_cap_mask = priv->mfunc.master.slave_state[slave].ib_cap_mask[port]; priv->mfunc.master.slave_state[slave].ib_cap_mask[port] = new_cap_mask; for (i = 0; i < dev->num_slaves; i++) agg_cap_mask |= priv->mfunc.master.slave_state[i].ib_cap_mask[port]; /* only clear mailbox for guests. Master may be setting * MTU or PKEY table size */ if (slave != dev->caps.function) memset(inbox->buf, 0, 256); if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { *(u8 *) inbox->buf |= !!reset_qkey_viols << 6; ((__be32 *) inbox->buf)[2] = agg_cap_mask; } else { ((u8 *) inbox->buf)[3] |= !!reset_qkey_viols; ((__be32 *) inbox->buf)[1] = agg_cap_mask; } err = mlx4_cmd(dev, inbox->dma, port, is_eth, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); if (err) priv->mfunc.master.slave_state[slave].ib_cap_mask[port] = slave_cap_mask; return err; } int mlx4_SET_PORT_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd) { int port = mlx4_slave_convert_port( dev, slave, vhcr->in_modifier & 0xFF); if (port < 0) return -EINVAL; vhcr->in_modifier = (vhcr->in_modifier & ~0xFF) | (port & 0xFF); return mlx4_common_set_port(dev, slave, vhcr->in_modifier, vhcr->op_modifier, inbox); } /* bit locations for set port command with zero op modifier */ enum { MLX4_SET_PORT_VL_CAP = 4, /* bits 7:4 */ MLX4_SET_PORT_MTU_CAP = 12, /* bits 15:12 */ MLX4_CHANGE_PORT_PKEY_TBL_SZ = 20, MLX4_CHANGE_PORT_VL_CAP = 21, MLX4_CHANGE_PORT_MTU_CAP = 22, }; int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port, int pkey_tbl_sz) { struct mlx4_cmd_mailbox *mailbox; int err, vl_cap, pkey_tbl_flag = 0; if (dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH) return 0; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); ((__be32 *) mailbox->buf)[1] = dev->caps.ib_port_def_cap[port]; if (pkey_tbl_sz >= 0 && mlx4_is_master(dev)) { pkey_tbl_flag = 1; ((__be16 *) mailbox->buf)[20] = cpu_to_be16(pkey_tbl_sz); } /* IB VL CAP enum isn't used by the firmware, just numerical values */ for (vl_cap = 8; vl_cap >= 1; vl_cap >>= 1) { ((__be32 *) mailbox->buf)[0] = cpu_to_be32( (1 << MLX4_CHANGE_PORT_MTU_CAP) | (1 << MLX4_CHANGE_PORT_VL_CAP) | (pkey_tbl_flag << MLX4_CHANGE_PORT_PKEY_TBL_SZ) | (dev->caps.port_ib_mtu[port] << MLX4_SET_PORT_MTU_CAP) | (vl_cap << MLX4_SET_PORT_VL_CAP)); err = mlx4_cmd(dev, mailbox->dma, port, MLX4_SET_PORT_IB_OPCODE, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); if (err != -ENOMEM) break; } mlx4_free_cmd_mailbox(dev, mailbox); return err; } #define SET_PORT_ROCE_2_FLAGS 0x10 #define MLX4_SET_PORT_ROCE_V1_V2 0x2 int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu, u8 pptx, u8 pfctx, u8 pprx, u8 pfcrx) { struct mlx4_cmd_mailbox *mailbox; struct mlx4_set_port_general_context *context; int err; u32 in_mod; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); context = mailbox->buf; context->flags = SET_PORT_GEN_ALL_VALID; context->mtu = cpu_to_be16(mtu); context->pptx = (pptx * (!pfctx)) << 7; context->pfctx = pfctx; context->pprx = (pprx * (!pfcrx)) << 7; context->pfcrx = pfcrx; if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ROCE_V1_V2) { context->flags |= SET_PORT_ROCE_2_FLAGS; context->roce_mode |= MLX4_SET_PORT_ROCE_V1_V2 << 4; } in_mod = MLX4_SET_PORT_GENERAL << 8 | port; err = mlx4_cmd(dev, mailbox->dma, in_mod, MLX4_SET_PORT_ETH_OPCODE, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); mlx4_free_cmd_mailbox(dev, mailbox); return err; } EXPORT_SYMBOL(mlx4_SET_PORT_general); int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn, u8 promisc) { struct mlx4_cmd_mailbox *mailbox; struct mlx4_set_port_rqp_calc_context *context; int err; u32 in_mod; u32 m_promisc = (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) ? MCAST_DIRECT : MCAST_DEFAULT; if (dev->caps.steering_mode != MLX4_STEERING_MODE_A0) return 0; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); context = mailbox->buf; context->base_qpn = cpu_to_be32(base_qpn); context->n_mac = dev->caps.log_num_macs; context->promisc = cpu_to_be32(promisc << SET_PORT_PROMISC_SHIFT | base_qpn); context->mcast = cpu_to_be32(m_promisc << SET_PORT_MC_PROMISC_SHIFT | base_qpn); context->intra_no_vlan = 0; context->no_vlan = MLX4_NO_VLAN_IDX; context->intra_vlan_miss = 0; context->vlan_miss = MLX4_VLAN_MISS_IDX; in_mod = MLX4_SET_PORT_RQP_CALC << 8 | port; err = mlx4_cmd(dev, mailbox->dma, in_mod, MLX4_SET_PORT_ETH_OPCODE, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); mlx4_free_cmd_mailbox(dev, mailbox); return err; } EXPORT_SYMBOL(mlx4_SET_PORT_qpn_calc); int mlx4_SET_PORT_user_mtu(struct mlx4_dev *dev, u8 port, u16 user_mtu) { struct mlx4_cmd_mailbox *mailbox; struct mlx4_set_port_general_context *context; u32 in_mod; int err; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); context = mailbox->buf; context->flags2 |= MLX4_FLAG2_V_USER_MTU_MASK; context->user_mtu = cpu_to_be16(user_mtu); in_mod = MLX4_SET_PORT_GENERAL << 8 | port; err = mlx4_cmd(dev, mailbox->dma, in_mod, MLX4_SET_PORT_ETH_OPCODE, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); mlx4_free_cmd_mailbox(dev, mailbox); return err; } EXPORT_SYMBOL(mlx4_SET_PORT_user_mtu); int mlx4_SET_PORT_user_mac(struct mlx4_dev *dev, u8 port, u8 *user_mac) { struct mlx4_cmd_mailbox *mailbox; struct mlx4_set_port_general_context *context; u32 in_mod; int err; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); context = mailbox->buf; context->flags2 |= MLX4_FLAG2_V_USER_MAC_MASK; memcpy(context->user_mac, user_mac, sizeof(context->user_mac)); in_mod = MLX4_SET_PORT_GENERAL << 8 | port; err = mlx4_cmd(dev, mailbox->dma, in_mod, MLX4_SET_PORT_ETH_OPCODE, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); mlx4_free_cmd_mailbox(dev, mailbox); return err; } EXPORT_SYMBOL(mlx4_SET_PORT_user_mac); int mlx4_SET_PORT_fcs_check(struct mlx4_dev *dev, u8 port, u8 ignore_fcs_value) { struct mlx4_cmd_mailbox *mailbox; struct mlx4_set_port_general_context *context; u32 in_mod; int err; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); context = mailbox->buf; context->flags2 |= MLX4_FLAG2_V_IGNORE_FCS_MASK; if (ignore_fcs_value) context->ignore_fcs |= MLX4_IGNORE_FCS_MASK; else context->ignore_fcs &= ~MLX4_IGNORE_FCS_MASK; in_mod = MLX4_SET_PORT_GENERAL << 8 | port; err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); mlx4_free_cmd_mailbox(dev, mailbox); return err; } EXPORT_SYMBOL(mlx4_SET_PORT_fcs_check); enum { VXLAN_ENABLE_MODIFY = 1 << 7, VXLAN_STEERING_MODIFY = 1 << 6, VXLAN_ENABLE = 1 << 7, }; struct mlx4_set_port_vxlan_context { u32 reserved1; u8 modify_flags; u8 reserved2; u8 enable_flags; u8 steering; }; int mlx4_SET_PORT_VXLAN(struct mlx4_dev *dev, u8 port, u8 steering, int enable) { int err; u32 in_mod; struct mlx4_cmd_mailbox *mailbox; struct mlx4_set_port_vxlan_context *context; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); context = mailbox->buf; memset(context, 0, sizeof(*context)); context->modify_flags = VXLAN_ENABLE_MODIFY | VXLAN_STEERING_MODIFY; if (enable) context->enable_flags = VXLAN_ENABLE; context->steering = steering; in_mod = MLX4_SET_PORT_VXLAN << 8 | port; err = mlx4_cmd(dev, mailbox->dma, in_mod, MLX4_SET_PORT_ETH_OPCODE, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); mlx4_free_cmd_mailbox(dev, mailbox); return err; } EXPORT_SYMBOL(mlx4_SET_PORT_VXLAN); int mlx4_SET_PORT_BEACON(struct mlx4_dev *dev, u8 port, u16 time) { int err; struct mlx4_cmd_mailbox *mailbox; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); *((__be32 *)mailbox->buf) = cpu_to_be32(time); err = mlx4_cmd(dev, mailbox->dma, port, MLX4_SET_PORT_BEACON_OPCODE, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); mlx4_free_cmd_mailbox(dev, mailbox); return err; } EXPORT_SYMBOL(mlx4_SET_PORT_BEACON); int mlx4_SET_MCAST_FLTR_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd) { int err = 0; return err; } int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode) { return mlx4_cmd(dev, (mac | (clear << 63)), port, mode, MLX4_CMD_SET_MCAST_FLTR, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); } EXPORT_SYMBOL(mlx4_SET_MCAST_FLTR); int mlx4_SET_VLAN_FLTR_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd) { int err = 0; return err; } int mlx4_DUMP_ETH_STATS_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd) { return 0; } int mlx4_get_slave_from_roce_gid(struct mlx4_dev *dev, int port, u8 *gid, int *slave_id) { struct mlx4_priv *priv = mlx4_priv(dev); int i, found_ix = -1; int vf_gids = MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS; struct mlx4_slaves_pport slaves_pport; unsigned num_vfs; int slave_gid; if (!mlx4_is_mfunc(dev)) return -EINVAL; slaves_pport = mlx4_phys_to_slaves_pport(dev, port); num_vfs = bitmap_weight(slaves_pport.slaves, dev->persist->num_vfs + 1) - 1; for (i = 0; i < MLX4_ROCE_MAX_GIDS; i++) { if (!memcmp(priv->port[port].gid_table.roce_gids[i].raw, gid, MLX4_ROCE_GID_ENTRY_SIZE)) { found_ix = i; break; } } if (found_ix >= 0) { /* Calculate a slave_gid which is the slave number in the gid * table and not a globally unique slave number. */ if (found_ix < MLX4_ROCE_PF_GIDS) slave_gid = 0; else if (found_ix < MLX4_ROCE_PF_GIDS + (vf_gids % num_vfs) * (vf_gids / num_vfs + 1)) slave_gid = ((found_ix - MLX4_ROCE_PF_GIDS) / (vf_gids / num_vfs + 1)) + 1; else slave_gid = ((found_ix - MLX4_ROCE_PF_GIDS - ((vf_gids % num_vfs) * ((vf_gids / num_vfs + 1)))) / (vf_gids / num_vfs)) + vf_gids % num_vfs + 1; /* Calculate the globally unique slave id */ if (slave_gid) { struct mlx4_active_ports exclusive_ports; struct mlx4_active_ports actv_ports; struct mlx4_slaves_pport slaves_pport_actv; unsigned max_port_p_one; int num_vfs_before = 0; int candidate_slave_gid; /* Calculate how many VFs are on the previous port, if exists */ for (i = 1; i < port; i++) { bitmap_zero(exclusive_ports.ports, dev->caps.num_ports); set_bit(i - 1, exclusive_ports.ports); slaves_pport_actv = mlx4_phys_to_slaves_pport_actv( dev, &exclusive_ports); num_vfs_before += bitmap_weight( slaves_pport_actv.slaves, dev->persist->num_vfs + 1); } /* candidate_slave_gid isn't necessarily the correct slave, but * it has the same number of ports and is assigned to the same * ports as the real slave we're looking for. On dual port VF, * slave_gid = [single port VFs on port <port>] + * [offset of the current slave from the first dual port VF] + * 1 (for the PF). */ candidate_slave_gid = slave_gid + num_vfs_before; actv_ports = mlx4_get_active_ports(dev, candidate_slave_gid); max_port_p_one = find_first_bit( actv_ports.ports, dev->caps.num_ports) + bitmap_weight(actv_ports.ports, dev->caps.num_ports) + 1; /* Calculate the real slave number */ for (i = 1; i < max_port_p_one; i++) { if (i == port) continue; bitmap_zero(exclusive_ports.ports, dev->caps.num_ports); set_bit(i - 1, exclusive_ports.ports); slaves_pport_actv = mlx4_phys_to_slaves_pport_actv( dev, &exclusive_ports); slave_gid += bitmap_weight( slaves_pport_actv.slaves, dev->persist->num_vfs + 1); } } *slave_id = slave_gid; } return (found_ix >= 0) ? 0 : -EINVAL; } EXPORT_SYMBOL(mlx4_get_slave_from_roce_gid); int mlx4_get_roce_gid_from_slave(struct mlx4_dev *dev, int port, int slave_id, u8 *gid) { struct mlx4_priv *priv = mlx4_priv(dev); if (!mlx4_is_master(dev)) return -EINVAL; memcpy(gid, priv->port[port].gid_table.roce_gids[slave_id].raw, MLX4_ROCE_GID_ENTRY_SIZE); return 0; } EXPORT_SYMBOL(mlx4_get_roce_gid_from_slave); /* Cable Module Info */ #define MODULE_INFO_MAX_READ 48 #define I2C_ADDR_LOW 0x50 #define I2C_ADDR_HIGH 0x51 #define I2C_PAGE_SIZE 256 #define I2C_HIGH_PAGE_SIZE 128 /* Module Info Data */ struct mlx4_cable_info { u8 i2c_addr; u8 page_num; __be16 dev_mem_address; __be16 reserved1; __be16 size; __be32 reserved2[2]; u8 data[MODULE_INFO_MAX_READ]; }; enum cable_info_err { CABLE_INF_INV_PORT = 0x1, CABLE_INF_OP_NOSUP = 0x2, CABLE_INF_NOT_CONN = 0x3, CABLE_INF_NO_EEPRM = 0x4, CABLE_INF_PAGE_ERR = 0x5, CABLE_INF_INV_ADDR = 0x6, CABLE_INF_I2C_ADDR = 0x7, CABLE_INF_QSFP_VIO = 0x8, CABLE_INF_I2C_BUSY = 0x9, }; #define MAD_STATUS_2_CABLE_ERR(mad_status) ((mad_status >> 8) & 0xFF) static inline const char *cable_info_mad_err_str(u16 mad_status) { u8 err = MAD_STATUS_2_CABLE_ERR(mad_status); switch (err) { case CABLE_INF_INV_PORT: return "invalid port selected"; case CABLE_INF_OP_NOSUP: return "operation not supported for this port (the port is of type CX4 or internal)"; case CABLE_INF_NOT_CONN: return "cable is not connected"; case CABLE_INF_NO_EEPRM: return "the connected cable has no EPROM (passive copper cable)"; case CABLE_INF_PAGE_ERR: return "page number is greater than 15"; case CABLE_INF_INV_ADDR: return "invalid device_address or size (that is, size equals 0 or address+size is greater than 256)"; case CABLE_INF_I2C_ADDR: return "invalid I2C slave address"; case CABLE_INF_QSFP_VIO: return "at least one cable violates the QSFP specification and ignores the modsel signal"; case CABLE_INF_I2C_BUSY: return "I2C bus is constantly busy"; } return "Unknown Error"; } static int mlx4_get_module_id(struct mlx4_dev *dev, u8 port, u8 *module_id) { struct mlx4_cmd_mailbox *inbox, *outbox; struct mlx4_mad_ifc *inmad, *outmad; struct mlx4_cable_info *cable_info; int ret; inbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(inbox)) return PTR_ERR(inbox); outbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(outbox)) { mlx4_free_cmd_mailbox(dev, inbox); return PTR_ERR(outbox); } inmad = (struct mlx4_mad_ifc *)(inbox->buf); outmad = (struct mlx4_mad_ifc *)(outbox->buf); inmad->method = 0x1; /* Get */ inmad->class_version = 0x1; inmad->mgmt_class = 0x1; inmad->base_version = 0x1; inmad->attr_id = cpu_to_be16(0xFF60); /* Module Info */ cable_info = (struct mlx4_cable_info *)inmad->data; cable_info->dev_mem_address = 0; cable_info->page_num = 0; cable_info->i2c_addr = I2C_ADDR_LOW; cable_info->size = cpu_to_be16(1); ret = mlx4_cmd_box(dev, inbox->dma, outbox->dma, port, 3, MLX4_CMD_MAD_IFC, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); if (ret) goto out; if (be16_to_cpu(outmad->status)) { /* Mad returned with bad status */ ret = be16_to_cpu(outmad->status); mlx4_warn(dev, "MLX4_CMD_MAD_IFC Get Module ID attr(%x) port(%d) i2c_addr(%x) offset(%d) size(%d): Response Mad Status(%x) - %s\n", 0xFF60, port, I2C_ADDR_LOW, 0, 1, ret, cable_info_mad_err_str(ret)); ret = -ret; goto out; } cable_info = (struct mlx4_cable_info *)outmad->data; *module_id = cable_info->data[0]; out: mlx4_free_cmd_mailbox(dev, inbox); mlx4_free_cmd_mailbox(dev, outbox); return ret; } static void mlx4_sfp_eeprom_params_set(u8 *i2c_addr, u8 *page_num, u16 *offset) { *i2c_addr = I2C_ADDR_LOW; *page_num = 0; if (*offset < I2C_PAGE_SIZE) return; *i2c_addr = I2C_ADDR_HIGH; *offset -= I2C_PAGE_SIZE; } static void mlx4_qsfp_eeprom_params_set(u8 *i2c_addr, u8 *page_num, u16 *offset) { /* Offsets 0-255 belong to page 0. * Offsets 256-639 belong to pages 01, 02, 03. * For example, offset 400 is page 02: 1 + (400 - 256) / 128 = 2 */ if (*offset < I2C_PAGE_SIZE) *page_num = 0; else *page_num = 1 + (*offset - I2C_PAGE_SIZE) / I2C_HIGH_PAGE_SIZE; *i2c_addr = I2C_ADDR_LOW; *offset -= *page_num * I2C_HIGH_PAGE_SIZE; } /** * mlx4_get_module_info - Read cable module eeprom data * @dev: mlx4_dev. * @port: port number. * @offset: byte offset in eeprom to start reading data from. * @size: num of bytes to read. * @data: output buffer to put the requested data into. * * Reads cable module eeprom data, puts the outcome data into * data pointer parameter. * Returns num of read bytes on success or a negative error * code. */ int mlx4_get_module_info(struct mlx4_dev *dev, u8 port, u16 offset, u16 size, u8 *data) { struct mlx4_cmd_mailbox *inbox, *outbox; struct mlx4_mad_ifc *inmad, *outmad; struct mlx4_cable_info *cable_info; u8 module_id, i2c_addr, page_num; int ret; if (size > MODULE_INFO_MAX_READ) size = MODULE_INFO_MAX_READ; ret = mlx4_get_module_id(dev, port, &module_id); if (ret) return ret; switch (module_id) { case MLX4_MODULE_ID_SFP: mlx4_sfp_eeprom_params_set(&i2c_addr, &page_num, &offset); break; case MLX4_MODULE_ID_QSFP: case MLX4_MODULE_ID_QSFP_PLUS: case MLX4_MODULE_ID_QSFP28: mlx4_qsfp_eeprom_params_set(&i2c_addr, &page_num, &offset); break; default: mlx4_err(dev, "Module ID not recognized: %#x\n", module_id); return -EINVAL; } inbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(inbox)) return PTR_ERR(inbox); outbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(outbox)) { mlx4_free_cmd_mailbox(dev, inbox); return PTR_ERR(outbox); } inmad = (struct mlx4_mad_ifc *)(inbox->buf); outmad = (struct mlx4_mad_ifc *)(outbox->buf); inmad->method = 0x1; /* Get */ inmad->class_version = 0x1; inmad->mgmt_class = 0x1; inmad->base_version = 0x1; inmad->attr_id = cpu_to_be16(0xFF60); /* Module Info */ if (offset < I2C_PAGE_SIZE && offset + size > I2C_PAGE_SIZE) /* Cross pages reads are not allowed * read until offset 256 in low page */ size -= offset + size - I2C_PAGE_SIZE; cable_info = (struct mlx4_cable_info *)inmad->data; cable_info->dev_mem_address = cpu_to_be16(offset); cable_info->page_num = page_num; cable_info->i2c_addr = i2c_addr; cable_info->size = cpu_to_be16(size); ret = mlx4_cmd_box(dev, inbox->dma, outbox->dma, port, 3, MLX4_CMD_MAD_IFC, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); if (ret) goto out; if (be16_to_cpu(outmad->status)) { /* Mad returned with bad status */ ret = be16_to_cpu(outmad->status); mlx4_warn(dev, "MLX4_CMD_MAD_IFC Get Module info attr(%x) port(%d) i2c_addr(%x) offset(%d) size(%d): Response Mad Status(%x) - %s\n", 0xFF60, port, i2c_addr, offset, size, ret, cable_info_mad_err_str(ret)); if (i2c_addr == I2C_ADDR_HIGH && MAD_STATUS_2_CABLE_ERR(ret) == CABLE_INF_I2C_ADDR) /* Some SFP cables do not support i2c slave * address 0x51 (high page), abort silently. */ ret = 0; else ret = -ret; goto out; } cable_info = (struct mlx4_cable_info *)outmad->data; memcpy(data, cable_info->data, size); ret = size; out: mlx4_free_cmd_mailbox(dev, inbox); mlx4_free_cmd_mailbox(dev, outbox); return ret; } EXPORT_SYMBOL(mlx4_get_module_info); int mlx4_max_tc(struct mlx4_dev *dev) { u8 num_tc = dev->caps.max_tc_eth; if (!num_tc) num_tc = MLX4_TC_MAX_NUMBER; return num_tc; } EXPORT_SYMBOL(mlx4_max_tc);
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