/*
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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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#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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#include <linux/mlx4/cmd.h>
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#include "mlx4.h"
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#include "mlx4_stats.h"
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#define MLX4_MAC_VALID (1ull << 63)
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#define MLX4_VLAN_VALID (1u << 31)
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#define MLX4_VLAN_MASK 0xfff
|
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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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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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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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{
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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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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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in_mod = MLX4_SET_PORT_MAC_TABLE << 8 | port;
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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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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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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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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;
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}
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EXPORT_SYMBOL_GPL(mlx4_find_cached_mac);
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static bool mlx4_need_mf_bond(struct mlx4_dev *dev)
|
{
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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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{
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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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}
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if (need_mf_bond) {
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int index_at_port = -1;
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int index_at_dup_port = -1;
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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]))))
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index_at_port = i;
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if (((MLX4_MAC_MASK & mac) == (MLX4_MAC_MASK & be64_to_cpu(dup_table->entries[i]))))
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index_at_dup_port = i;
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}
|
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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) &&
|
(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
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* available in the duplicate table as well.
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*/
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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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}
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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",
|
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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if (need_mf_bond && (free_for_dup < 0)) {
|
if (dup) {
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mlx4_warn(dev, "Fail to allocate duplicate MAC table entry\n");
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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 */
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err = -ENOSPC;
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goto out;
|
}
|
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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",
|
(unsigned long long) mac);
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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;
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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)) {
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mlx4_warn(dev, "Failed adding duplicate mac: 0x%llx\n", mac);
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dup_table->is_dup[free] = false;
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dup_table->entries[free] = 0;
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goto out;
|
}
|
++dup_table->total;
|
}
|
err = free;
|
out:
|
if (need_mf_bond) {
|
if (port == 2) {
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mutex_unlock(&table->mutex);
|
mutex_unlock(&dup_table->mutex);
|
} else {
|
mutex_unlock(&dup_table->mutex);
|
mutex_unlock(&table->mutex);
|
}
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} else {
|
mutex_unlock(&table->mutex);
|
}
|
return err;
|
}
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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 paramer.
|
* 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);
|
