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2229 lines
61 KiB
2229 lines
61 KiB
/* |
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* Copyright (c) 2007 Mellanox Technologies. All rights reserved. |
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* |
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* This software is available to you under a choice of one of two |
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* licenses. You may choose to be licensed under the terms of the GNU |
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* General Public License (GPL) Version 2, available from the file |
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* COPYING in the main directory of this source tree, or the |
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* OpenIB.org BSD license below: |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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|
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#include <linux/errno.h> |
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#include <linux/if_ether.h> |
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#include <linux/if_vlan.h> |
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#include <linux/export.h> |
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|
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#include <linux/mlx4/cmd.h> |
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|
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#include "mlx4.h" |
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#include "mlx4_stats.h" |
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|
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#define MLX4_MAC_VALID (1ull << 63) |
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|
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#define MLX4_VLAN_VALID (1u << 31) |
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#define MLX4_VLAN_MASK 0xfff |
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|
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#define MLX4_STATS_TRAFFIC_COUNTERS_MASK 0xfULL |
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#define MLX4_STATS_TRAFFIC_DROPS_MASK 0xc0ULL |
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#define MLX4_STATS_ERROR_COUNTERS_MASK 0x1ffc30ULL |
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#define MLX4_STATS_PORT_COUNTERS_MASK 0x1fe00000ULL |
|
|
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#define MLX4_FLAG2_V_IGNORE_FCS_MASK BIT(1) |
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#define MLX4_FLAG2_V_USER_MTU_MASK BIT(5) |
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#define MLX4_FLAG2_V_USER_MAC_MASK BIT(6) |
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#define MLX4_FLAG_V_MTU_MASK BIT(0) |
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#define MLX4_FLAG_V_PPRX_MASK BIT(1) |
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#define MLX4_FLAG_V_PPTX_MASK BIT(2) |
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#define MLX4_IGNORE_FCS_MASK 0x1 |
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#define MLX4_TC_MAX_NUMBER 8 |
|
|
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void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table) |
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{ |
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int i; |
|
|
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mutex_init(&table->mutex); |
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for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { |
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table->entries[i] = 0; |
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table->refs[i] = 0; |
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table->is_dup[i] = false; |
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} |
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table->max = 1 << dev->caps.log_num_macs; |
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table->total = 0; |
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} |
|
|
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void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table) |
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{ |
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int i; |
|
|
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mutex_init(&table->mutex); |
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for (i = 0; i < MLX4_MAX_VLAN_NUM; i++) { |
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table->entries[i] = 0; |
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table->refs[i] = 0; |
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table->is_dup[i] = false; |
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} |
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table->max = (1 << dev->caps.log_num_vlans) - MLX4_VLAN_REGULAR; |
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table->total = 0; |
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} |
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|
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void mlx4_init_roce_gid_table(struct mlx4_dev *dev, |
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struct mlx4_roce_gid_table *table) |
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{ |
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int i; |
|
|
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mutex_init(&table->mutex); |
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for (i = 0; i < MLX4_ROCE_MAX_GIDS; i++) |
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memset(table->roce_gids[i].raw, 0, MLX4_ROCE_GID_ENTRY_SIZE); |
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} |
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|
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static int validate_index(struct mlx4_dev *dev, |
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struct mlx4_mac_table *table, int index) |
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{ |
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int err = 0; |
|
|
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if (index < 0 || index >= table->max || !table->entries[index]) { |
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mlx4_warn(dev, "No valid Mac entry for the given index\n"); |
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err = -EINVAL; |
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} |
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return err; |
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} |
|
|
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static int find_index(struct mlx4_dev *dev, |
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struct mlx4_mac_table *table, u64 mac) |
|
{ |
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int i; |
|
|
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for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { |
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if (table->refs[i] && |
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(MLX4_MAC_MASK & mac) == |
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(MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) |
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return i; |
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} |
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/* Mac not found */ |
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return -EINVAL; |
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} |
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|
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static int mlx4_set_port_mac_table(struct mlx4_dev *dev, u8 port, |
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__be64 *entries) |
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{ |
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struct mlx4_cmd_mailbox *mailbox; |
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u32 in_mod; |
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int err; |
|
|
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mailbox = mlx4_alloc_cmd_mailbox(dev); |
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if (IS_ERR(mailbox)) |
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return PTR_ERR(mailbox); |
|
|
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memcpy(mailbox->buf, entries, MLX4_MAC_TABLE_SIZE); |
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|
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in_mod = MLX4_SET_PORT_MAC_TABLE << 8 | port; |
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|
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err = mlx4_cmd(dev, mailbox->dma, in_mod, MLX4_SET_PORT_ETH_OPCODE, |
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MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, |
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MLX4_CMD_NATIVE); |
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|
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mlx4_free_cmd_mailbox(dev, mailbox); |
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return err; |
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} |
|
|
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int mlx4_find_cached_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *idx) |
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{ |
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struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; |
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struct mlx4_mac_table *table = &info->mac_table; |
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int i; |
|
|
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for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { |
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if (!table->refs[i]) |
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continue; |
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|
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if (mac == (MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) { |
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*idx = i; |
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return 0; |
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} |
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} |
|
|
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return -ENOENT; |
|
} |
|
EXPORT_SYMBOL_GPL(mlx4_find_cached_mac); |
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|
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static bool mlx4_need_mf_bond(struct mlx4_dev *dev) |
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{ |
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int i, num_eth_ports = 0; |
|
|
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if (!mlx4_is_mfunc(dev)) |
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return false; |
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mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) |
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++num_eth_ports; |
|
|
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return (num_eth_ports == 2) ? true : false; |
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} |
|
|
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int __mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac) |
|
{ |
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struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; |
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struct mlx4_mac_table *table = &info->mac_table; |
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int i, err = 0; |
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int free = -1; |
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int free_for_dup = -1; |
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bool dup = mlx4_is_mf_bonded(dev); |
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u8 dup_port = (port == 1) ? 2 : 1; |
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struct mlx4_mac_table *dup_table = &mlx4_priv(dev)->port[dup_port].mac_table; |
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bool need_mf_bond = mlx4_need_mf_bond(dev); |
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bool can_mf_bond = true; |
|
|
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mlx4_dbg(dev, "Registering MAC: 0x%llx for port %d %s duplicate\n", |
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(unsigned long long)mac, port, |
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dup ? "with" : "without"); |
|
|
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if (need_mf_bond) { |
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if (port == 1) { |
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mutex_lock(&table->mutex); |
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mutex_lock_nested(&dup_table->mutex, SINGLE_DEPTH_NESTING); |
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} else { |
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mutex_lock(&dup_table->mutex); |
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mutex_lock_nested(&table->mutex, SINGLE_DEPTH_NESTING); |
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} |
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} else { |
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mutex_lock(&table->mutex); |
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} |
|
|
|
if (need_mf_bond) { |
|
int index_at_port = -1; |
|
int index_at_dup_port = -1; |
|
|
|
for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { |
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if (((MLX4_MAC_MASK & mac) == (MLX4_MAC_MASK & be64_to_cpu(table->entries[i])))) |
|
index_at_port = i; |
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if (((MLX4_MAC_MASK & mac) == (MLX4_MAC_MASK & be64_to_cpu(dup_table->entries[i])))) |
|
index_at_dup_port = i; |
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} |
|
|
|
/* check that same mac is not in the tables at different indices */ |
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if ((index_at_port != index_at_dup_port) && |
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(index_at_port >= 0) && |
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(index_at_dup_port >= 0)) |
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can_mf_bond = false; |
|
|
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/* If the mac is already in the primary table, the slot must be |
|
* available in the duplicate table as well. |
|
*/ |
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if (index_at_port >= 0 && index_at_dup_port < 0 && |
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dup_table->refs[index_at_port]) { |
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can_mf_bond = false; |
|
} |
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/* If the mac is already in the duplicate table, check that the |
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* corresponding index is not occupied in the primary table, or |
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* the primary table already contains the mac at the same index. |
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* Otherwise, you cannot bond (primary contains a different mac |
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* at that index). |
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*/ |
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if (index_at_dup_port >= 0) { |
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if (!table->refs[index_at_dup_port] || |
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((MLX4_MAC_MASK & mac) == (MLX4_MAC_MASK & be64_to_cpu(table->entries[index_at_dup_port])))) |
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free_for_dup = index_at_dup_port; |
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else |
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can_mf_bond = false; |
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} |
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} |
|
|
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for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { |
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if (!table->refs[i]) { |
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if (free < 0) |
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free = i; |
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if (free_for_dup < 0 && need_mf_bond && can_mf_bond) { |
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if (!dup_table->refs[i]) |
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free_for_dup = i; |
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} |
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continue; |
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} |
|
|
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if ((MLX4_MAC_MASK & mac) == |
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(MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) { |
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/* MAC already registered, increment ref count */ |
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err = i; |
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++table->refs[i]; |
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if (dup) { |
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u64 dup_mac = MLX4_MAC_MASK & be64_to_cpu(dup_table->entries[i]); |
|
|
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if (dup_mac != mac || !dup_table->is_dup[i]) { |
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mlx4_warn(dev, "register mac: expect duplicate mac 0x%llx on port %d index %d\n", |
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mac, dup_port, i); |
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} |
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} |
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goto out; |
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} |
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} |
|
|
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if (need_mf_bond && (free_for_dup < 0)) { |
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if (dup) { |
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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"); |
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dup = false; |
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} |
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can_mf_bond = false; |
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} |
|
|
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if (need_mf_bond && can_mf_bond) |
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free = free_for_dup; |
|
|
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mlx4_dbg(dev, "Free MAC index is %d\n", free); |
|
|
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if (table->total == table->max) { |
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/* No free mac entries */ |
|
err = -ENOSPC; |
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goto out; |
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} |
|
|
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/* Register new MAC */ |
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table->entries[free] = cpu_to_be64(mac | MLX4_MAC_VALID); |
|
|
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err = mlx4_set_port_mac_table(dev, port, table->entries); |
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if (unlikely(err)) { |
|
mlx4_err(dev, "Failed adding MAC: 0x%llx\n", |
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(unsigned long long) mac); |
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table->entries[free] = 0; |
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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; |
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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) |
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static inline const char *cable_info_mad_err_str(u16 mad_status) |
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{ |
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u8 err = MAD_STATUS_2_CABLE_ERR(mad_status); |
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|
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switch (err) { |
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case CABLE_INF_INV_PORT: |
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return "invalid port selected"; |
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case CABLE_INF_OP_NOSUP: |
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return "operation not supported for this port (the port is of type CX4 or internal)"; |
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case CABLE_INF_NOT_CONN: |
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return "cable is not connected"; |
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case CABLE_INF_NO_EEPRM: |
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return "the connected cable has no EPROM (passive copper cable)"; |
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case CABLE_INF_PAGE_ERR: |
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return "page number is greater than 15"; |
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case CABLE_INF_INV_ADDR: |
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return "invalid device_address or size (that is, size equals 0 or address+size is greater than 256)"; |
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case CABLE_INF_I2C_ADDR: |
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return "invalid I2C slave address"; |
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case CABLE_INF_QSFP_VIO: |
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return "at least one cable violates the QSFP specification and ignores the modsel signal"; |
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case CABLE_INF_I2C_BUSY: |
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return "I2C bus is constantly busy"; |
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} |
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return "Unknown Error"; |
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} |
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static int mlx4_get_module_id(struct mlx4_dev *dev, u8 port, u8 *module_id) |
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{ |
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struct mlx4_cmd_mailbox *inbox, *outbox; |
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struct mlx4_mad_ifc *inmad, *outmad; |
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struct mlx4_cable_info *cable_info; |
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int ret; |
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|
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inbox = mlx4_alloc_cmd_mailbox(dev); |
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if (IS_ERR(inbox)) |
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return PTR_ERR(inbox); |
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outbox = mlx4_alloc_cmd_mailbox(dev); |
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if (IS_ERR(outbox)) { |
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mlx4_free_cmd_mailbox(dev, inbox); |
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return PTR_ERR(outbox); |
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} |
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|
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inmad = (struct mlx4_mad_ifc *)(inbox->buf); |
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outmad = (struct mlx4_mad_ifc *)(outbox->buf); |
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|
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inmad->method = 0x1; /* Get */ |
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inmad->class_version = 0x1; |
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inmad->mgmt_class = 0x1; |
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inmad->base_version = 0x1; |
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inmad->attr_id = cpu_to_be16(0xFF60); /* Module Info */ |
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cable_info = (struct mlx4_cable_info *)inmad->data; |
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cable_info->dev_mem_address = 0; |
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cable_info->page_num = 0; |
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cable_info->i2c_addr = I2C_ADDR_LOW; |
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cable_info->size = cpu_to_be16(1); |
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|
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ret = mlx4_cmd_box(dev, inbox->dma, outbox->dma, port, 3, |
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MLX4_CMD_MAD_IFC, MLX4_CMD_TIME_CLASS_C, |
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MLX4_CMD_NATIVE); |
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if (ret) |
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goto out; |
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|
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if (be16_to_cpu(outmad->status)) { |
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/* Mad returned with bad status */ |
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ret = be16_to_cpu(outmad->status); |
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mlx4_warn(dev, |
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"MLX4_CMD_MAD_IFC Get Module ID attr(%x) port(%d) i2c_addr(%x) offset(%d) size(%d): Response Mad Status(%x) - %s\n", |
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0xFF60, port, I2C_ADDR_LOW, 0, 1, ret, |
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cable_info_mad_err_str(ret)); |
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ret = -ret; |
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goto out; |
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} |
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cable_info = (struct mlx4_cable_info *)outmad->data; |
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*module_id = cable_info->data[0]; |
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out: |
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mlx4_free_cmd_mailbox(dev, inbox); |
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mlx4_free_cmd_mailbox(dev, outbox); |
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return ret; |
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} |
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static void mlx4_sfp_eeprom_params_set(u8 *i2c_addr, u8 *page_num, u16 *offset) |
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{ |
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*i2c_addr = I2C_ADDR_LOW; |
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*page_num = 0; |
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|
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if (*offset < I2C_PAGE_SIZE) |
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return; |
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|
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*i2c_addr = I2C_ADDR_HIGH; |
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*offset -= I2C_PAGE_SIZE; |
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} |
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|
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static void mlx4_qsfp_eeprom_params_set(u8 *i2c_addr, u8 *page_num, u16 *offset) |
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{ |
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/* Offsets 0-255 belong to page 0. |
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* Offsets 256-639 belong to pages 01, 02, 03. |
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* For example, offset 400 is page 02: 1 + (400 - 256) / 128 = 2 |
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*/ |
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if (*offset < I2C_PAGE_SIZE) |
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*page_num = 0; |
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else |
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*page_num = 1 + (*offset - I2C_PAGE_SIZE) / I2C_HIGH_PAGE_SIZE; |
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*i2c_addr = I2C_ADDR_LOW; |
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*offset -= *page_num * I2C_HIGH_PAGE_SIZE; |
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} |
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|
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/** |
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* mlx4_get_module_info - Read cable module eeprom data |
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* @dev: mlx4_dev. |
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* @port: port number. |
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* @offset: byte offset in eeprom to start reading data from. |
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* @size: num of bytes to read. |
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* @data: output buffer to put the requested data into. |
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* |
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* Reads cable module eeprom data, puts the outcome data into |
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* data pointer paramer. |
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* Returns num of read bytes on success or a negative error |
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* code. |
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*/ |
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int mlx4_get_module_info(struct mlx4_dev *dev, u8 port, |
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u16 offset, u16 size, u8 *data) |
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{ |
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struct mlx4_cmd_mailbox *inbox, *outbox; |
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struct mlx4_mad_ifc *inmad, *outmad; |
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struct mlx4_cable_info *cable_info; |
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u8 module_id, i2c_addr, page_num; |
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int ret; |
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|
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if (size > MODULE_INFO_MAX_READ) |
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size = MODULE_INFO_MAX_READ; |
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|
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ret = mlx4_get_module_id(dev, port, &module_id); |
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if (ret) |
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return ret; |
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|
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switch (module_id) { |
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case MLX4_MODULE_ID_SFP: |
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mlx4_sfp_eeprom_params_set(&i2c_addr, &page_num, &offset); |
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break; |
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case MLX4_MODULE_ID_QSFP: |
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case MLX4_MODULE_ID_QSFP_PLUS: |
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case MLX4_MODULE_ID_QSFP28: |
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mlx4_qsfp_eeprom_params_set(&i2c_addr, &page_num, &offset); |
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break; |
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default: |
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mlx4_err(dev, "Module ID not recognized: %#x\n", module_id); |
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return -EINVAL; |
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} |
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|
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inbox = mlx4_alloc_cmd_mailbox(dev); |
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if (IS_ERR(inbox)) |
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return PTR_ERR(inbox); |
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|
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outbox = mlx4_alloc_cmd_mailbox(dev); |
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if (IS_ERR(outbox)) { |
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mlx4_free_cmd_mailbox(dev, inbox); |
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return PTR_ERR(outbox); |
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} |
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inmad = (struct mlx4_mad_ifc *)(inbox->buf); |
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outmad = (struct mlx4_mad_ifc *)(outbox->buf); |
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|
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inmad->method = 0x1; /* Get */ |
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inmad->class_version = 0x1; |
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inmad->mgmt_class = 0x1; |
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inmad->base_version = 0x1; |
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inmad->attr_id = cpu_to_be16(0xFF60); /* Module Info */ |
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if (offset < I2C_PAGE_SIZE && offset + size > I2C_PAGE_SIZE) |
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/* Cross pages reads are not allowed |
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* read until offset 256 in low page |
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*/ |
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size -= offset + size - I2C_PAGE_SIZE; |
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|
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cable_info = (struct mlx4_cable_info *)inmad->data; |
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cable_info->dev_mem_address = cpu_to_be16(offset); |
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cable_info->page_num = page_num; |
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cable_info->i2c_addr = i2c_addr; |
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cable_info->size = cpu_to_be16(size); |
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ret = mlx4_cmd_box(dev, inbox->dma, outbox->dma, port, 3, |
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MLX4_CMD_MAD_IFC, MLX4_CMD_TIME_CLASS_C, |
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MLX4_CMD_NATIVE); |
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if (ret) |
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goto out; |
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|
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if (be16_to_cpu(outmad->status)) { |
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/* Mad returned with bad status */ |
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ret = be16_to_cpu(outmad->status); |
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mlx4_warn(dev, |
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"MLX4_CMD_MAD_IFC Get Module info attr(%x) port(%d) i2c_addr(%x) offset(%d) size(%d): Response Mad Status(%x) - %s\n", |
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0xFF60, port, i2c_addr, offset, size, |
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ret, cable_info_mad_err_str(ret)); |
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|
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if (i2c_addr == I2C_ADDR_HIGH && |
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MAD_STATUS_2_CABLE_ERR(ret) == CABLE_INF_I2C_ADDR) |
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/* Some SFP cables do not support i2c slave |
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* address 0x51 (high page), abort silently. |
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*/ |
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ret = 0; |
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else |
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ret = -ret; |
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goto out; |
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} |
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cable_info = (struct mlx4_cable_info *)outmad->data; |
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memcpy(data, cable_info->data, size); |
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ret = size; |
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out: |
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mlx4_free_cmd_mailbox(dev, inbox); |
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mlx4_free_cmd_mailbox(dev, outbox); |
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return ret; |
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} |
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EXPORT_SYMBOL(mlx4_get_module_info); |
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int mlx4_max_tc(struct mlx4_dev *dev) |
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{ |
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u8 num_tc = dev->caps.max_tc_eth; |
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|
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if (!num_tc) |
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num_tc = MLX4_TC_MAX_NUMBER; |
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return num_tc; |
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} |
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EXPORT_SYMBOL(mlx4_max_tc);
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