diff options
Diffstat (limited to 'sys/ofed/drivers/net/mlx4/port.c')
| -rw-r--r-- | sys/ofed/drivers/net/mlx4/port.c | 1224 |
1 files changed, 0 insertions, 1224 deletions
diff --git a/sys/ofed/drivers/net/mlx4/port.c b/sys/ofed/drivers/net/mlx4/port.c deleted file mode 100644 index aeb38746cbd5..000000000000 --- a/sys/ofed/drivers/net/mlx4/port.c +++ /dev/null @@ -1,1224 +0,0 @@ -/* - * Copyright (c) 2007, 2014 Mellanox Technologies. All rights reserved. - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the - * OpenIB.org BSD license below: - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * - Redistributions of source code must retain the above - * copyright notice, this list of conditions and the following - * disclaimer. - * - * - Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#define LINUXKPI_PARAM_PREFIX mlx4_ - -#include <linux/errno.h> -#include <linux/if_ether.h> -#include <linux/module.h> -#include <linux/err.h> - -#include <linux/mlx4/cmd.h> -#include <linux/moduleparam.h> -#include "mlx4.h" -#include "mlx4_stats.h" - - -int mlx4_set_4k_mtu = -1; -module_param_named(set_4k_mtu, mlx4_set_4k_mtu, int, 0444); -MODULE_PARM_DESC(set_4k_mtu, - "(Obsolete) attempt to set 4K MTU to all ConnectX ports"); - - -#define MLX4_MAC_VALID (1ull << 63) - -#define MLX4_VLAN_VALID (1u << 31) -#define MLX4_VLAN_MASK 0xfff - -void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table) -{ - int i; - - mutex_init(&table->mutex); - for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { - table->entries[i] = 0; - table->refs[i] = 0; - } - table->max = 1 << dev->caps.log_num_macs; - table->total = 0; -} - -void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table) -{ - int i; - - mutex_init(&table->mutex); - for (i = 0; i < MLX4_MAX_VLAN_NUM; i++) { - table->entries[i] = 0; - table->refs[i] = 0; - } - table->max = (1 << dev->caps.log_num_vlans) - MLX4_VLAN_REGULAR; - table->total = 0; -} - -static int validate_index(struct mlx4_dev *dev, - struct mlx4_mac_table *table, int index) -{ - int err = 0; - - if (index < 0 || index >= table->max || !table->refs[index]) { - mlx4_warn(dev, "No valid Mac entry for the given index\n"); - err = -EINVAL; - } - return err; -} - -static int find_index(struct mlx4_dev *dev, - struct mlx4_mac_table *table, u64 mac) -{ - int i; - - for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { - if ((mac & MLX4_MAC_MASK) == - (MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) - return i; - } - /* Mac not found */ - return -EINVAL; -} - -static int mlx4_set_port_mac_table(struct mlx4_dev *dev, u8 port, - __be64 *entries) -{ - struct mlx4_cmd_mailbox *mailbox; - u32 in_mod; - int err; - - mailbox = mlx4_alloc_cmd_mailbox(dev); - if (IS_ERR(mailbox)) - return PTR_ERR(mailbox); - - memcpy(mailbox->buf, entries, MLX4_MAC_TABLE_SIZE); - - in_mod = MLX4_SET_PORT_MAC_TABLE << 8 | port; - - err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT, - MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); - - mlx4_free_cmd_mailbox(dev, mailbox); - return err; -} - -int __mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac) -{ - struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; - struct mlx4_mac_table *table = &info->mac_table; - int i, err = 0; - int free = -1; - - mlx4_dbg(dev, "Registering MAC: 0x%llx for port %d\n", - (unsigned long long) mac, port); - - mutex_lock(&table->mutex); - for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { - if (free < 0 && !table->refs[i]) { - free = i; - continue; - } - - if ((mac == (MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) && - table->refs[i]) { - /* MAC already registered, Must not have duplicates */ - err = i; - ++table->refs[i]; - goto out; - } - } - - mlx4_dbg(dev, "Free MAC index is %d\n", free); - - if (table->total == table->max) { - /* No free mac entries */ - err = -ENOSPC; - goto out; - } - - /* Register new MAC */ - table->entries[free] = cpu_to_be64(mac | MLX4_MAC_VALID); - - err = mlx4_set_port_mac_table(dev, port, table->entries); - if (unlikely(err)) { - mlx4_err(dev, "Failed adding MAC: 0x%llx\n", - (unsigned long long) mac); - table->entries[free] = 0; - goto out; - } - table->refs[free] = 1; - - err = free; - ++table->total; -out: - 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; - - 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; - mutex_lock(&table->mutex); - - index = find_index(dev, table, mac); - - if (validate_index(dev, table, index)) - goto out; - - if (--table->refs[index]) { - mlx4_dbg(dev, "Have more references for index %d," - "no need to modify mac table\n", index); - goto out; - } - - table->entries[index] = 0; - mlx4_set_port_mac_table(dev, port, table->entries); - --table->total; -out: - 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; - - /* CX1 doesn't support multi-functions */ - 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; - } -out: - 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, 1, 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; - - mutex_lock(&table->mutex); - - if (table->total == table->max) { - /* No free vlan entries */ - err = -ENOSPC; - goto out; - } - - for (i = MLX4_VLAN_REGULAR; i < MLX4_MAX_VLAN_NUM; i++) { - if (free < 0 && (table->refs[i] == 0)) { - free = i; - continue; - } - - if (table->refs[i] && - (vlan == (MLX4_VLAN_MASK & - be32_to_cpu(table->entries[i])))) { - /* Vlan already registered, increase references count */ - *index = i; - ++table->refs[i]; - goto out; - } - } - - if (free < 0) { - err = -ENOMEM; - goto out; - } - - /* Register new VLAN */ - table->refs[free] = 1; - 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; - } - - *index = free; - ++table->total; -out: - 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; - - 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]) { - mlx4_dbg(dev, "Have %d more references for index %d, " - "no need to modify vlan table\n", table->refs[index], - index); - goto out; - } - table->entries[index] = 0; - mlx4_set_port_vlan_table(dev, port, table->entries); - --table->total; -out: - 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_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; - memset(inbuf, 0, 256); - memset(outbuf, 0, 256); - 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) -{ - if (slave == 0) - return MLX4_ROCE_PF_GIDS; - if (slave <= ((MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS) % dev->num_vfs)) - return ((MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS) / dev->num_vfs) + 1; - return (MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS) / dev->num_vfs; -} - -int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave) -{ - int gids; - int vfs; - - gids = MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS; - vfs = dev->num_vfs; - - if (slave == 0) - return 0; - if (slave <= gids % vfs) - return MLX4_ROCE_PF_GIDS + ((gids / vfs) + 1) * (slave - 1); - - return MLX4_ROCE_PF_GIDS + (gids % vfs) + ((gids / vfs) * (slave - 1)); -} - -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_mfunc_master_ctx *master = &priv->mfunc.master; - struct mlx4_slave_state *slave_st = &master->slave_state[slave]; - 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; - u16 mtu, prev_mtu; - 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) & 0xff; - is_eth = op_mod; - port_info = &priv->port[port]; - - if (op_mod > 1) - return -EINVAL; - - /* Slaves cannot perform SET_PORT operations except changing 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," - "port %d, config_select 0x%x\n", - slave, port, in_modifier); - 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; - /* Mtu is configured as the max MTU among all the - * 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]) { - slave_st->mtu[port] = mtu; - master->max_mtu[port] = mtu; - for (i = 0; i < dev->num_slaves; i++) { - master->max_mtu[port] = - max(master->max_mtu[port], - master->slave_state[i].mtu[port]); - } - } - - gen_context->mtu = cpu_to_be16(master->max_mtu[port]); - 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); - base = mlx4_get_base_gid_ix(dev, slave); - 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 - */ - 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->roce_gids[port - 1][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); - 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->roce_gids[port - 1][offset].raw, gid_entry_mbox->raw, 16); - - /* 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->roce_gids[port - 1][i].raw, 16); - - break; - } - return mlx4_cmd(dev, inbox->dma, in_mod & 0xffff, op_mod, - MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, - MLX4_CMD_NATIVE); - } - - /* 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) -{ - 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 = -EINVAL, vl_cap, pkey_tbl_flag = 0; - u32 in_mod; - - if (dev->caps.port_type[port] == MLX4_PORT_TYPE_NONE) - return 0; - - mailbox = mlx4_alloc_cmd_mailbox(dev); - if (IS_ERR(mailbox)) - return PTR_ERR(mailbox); - - memset(mailbox->buf, 0, 256); - - if (dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH) { - 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_WRAPPED); - } else { - ((__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 = dev->caps.vl_cap[port]; - 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, 0, MLX4_CMD_SET_PORT, - MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); - if (err != -ENOMEM) - break; - } - } - - mlx4_free_cmd_mailbox(dev, mailbox); - return err; -} - -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; - memset(context, 0, sizeof *context); - - 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; - - 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_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; - memset(context, 0, sizeof *context); - - 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, 1, 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_PRIO2TC(struct mlx4_dev *dev, u8 port, u8 *prio2tc) -{ - struct mlx4_cmd_mailbox *mailbox; - struct mlx4_set_port_prio2tc_context *context; - int err; - u32 in_mod; - int i; - - mailbox = mlx4_alloc_cmd_mailbox(dev); - if (IS_ERR(mailbox)) - return PTR_ERR(mailbox); - context = mailbox->buf; - memset(context, 0, sizeof *context); - - for (i = 0; i < MLX4_NUM_UP; i += 2) - context->prio2tc[i >> 1] = prio2tc[i] << 4 | prio2tc[i + 1]; - - in_mod = MLX4_SET_PORT_PRIO2TC << 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_PRIO2TC); - -int mlx4_SET_PORT_SCHEDULER(struct mlx4_dev *dev, u8 port, u8 *tc_tx_bw, - u8 *pg, u16 *ratelimit) -{ - struct mlx4_cmd_mailbox *mailbox; - struct mlx4_set_port_scheduler_context *context; - int err; - u32 in_mod; - int i; - - mailbox = mlx4_alloc_cmd_mailbox(dev); - if (IS_ERR(mailbox)) - return PTR_ERR(mailbox); - context = mailbox->buf; - memset(context, 0, sizeof *context); - - for (i = 0; i < MLX4_NUM_TC; i++) { - struct mlx4_port_scheduler_tc_cfg_be *tc = &context->tc[i]; - u16 r; - if (ratelimit && ratelimit[i]) { - if (ratelimit[i] <= MLX4_MAX_100M_UNITS_VAL) { - r = ratelimit[i]; - tc->max_bw_units = - htons(MLX4_RATELIMIT_100M_UNITS); - } else { - r = ratelimit[i]/10; - tc->max_bw_units = - htons(MLX4_RATELIMIT_1G_UNITS); - } - tc->max_bw_value = htons(r); - } else { - tc->max_bw_value = htons(MLX4_RATELIMIT_DEFAULT); - tc->max_bw_units = htons(MLX4_RATELIMIT_1G_UNITS); - } - - tc->pg = htons(pg[i]); - tc->bw_precentage = htons(tc_tx_bw[i]); - } - - in_mod = MLX4_SET_PORT_SCHEDULER << 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_SCHEDULER); - -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; -} - -void mlx4_set_stats_bitmap(struct mlx4_dev *dev, unsigned long *stats_bitmap) -{ - int last_i = 0; - - bitmap_zero(stats_bitmap, NUM_ALL_STATS); - - if (mlx4_is_slave(dev)) { - last_i = dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN ? - NUM_PKT_STATS + NUM_FLOW_STATS : NUM_PKT_STATS; - } else { - bitmap_set(stats_bitmap, last_i, NUM_PKT_STATS); - last_i = NUM_PKT_STATS; - - if (dev->caps.flags2 & - MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN) { - bitmap_set(stats_bitmap, last_i, NUM_FLOW_STATS); - last_i += NUM_FLOW_STATS; - } - } - - if (mlx4_is_slave(dev)) - bitmap_set(stats_bitmap, last_i, NUM_VF_STATS); - last_i += NUM_VF_STATS; - - if (mlx4_is_master(dev)) - bitmap_set(stats_bitmap, last_i, NUM_VPORT_STATS); - last_i += NUM_VPORT_STATS; - - bitmap_set(stats_bitmap, last_i, NUM_PORT_STATS); -} -EXPORT_SYMBOL(mlx4_set_stats_bitmap); - -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; - - if (!mlx4_is_mfunc(dev)) - return -EINVAL; - - for (i = 0; i < MLX4_ROCE_MAX_GIDS; i++) { - if (!memcmp(priv->roce_gids[port - 1][i].raw, gid, 16)) { - found_ix = i; - break; - } - } - - if (found_ix >= 0) { - if (found_ix < MLX4_ROCE_PF_GIDS) - *slave_id = 0; - else if (found_ix < MLX4_ROCE_PF_GIDS + (vf_gids % dev->num_vfs) * - (vf_gids / dev->num_vfs + 1)) - *slave_id = ((found_ix - MLX4_ROCE_PF_GIDS) / - (vf_gids / dev->num_vfs + 1)) + 1; - else - *slave_id = - ((found_ix - MLX4_ROCE_PF_GIDS - - ((vf_gids % dev->num_vfs) * ((vf_gids / dev->num_vfs + 1)))) / - (vf_gids / dev->num_vfs)) + vf_gids % dev->num_vfs + 1; - } - - 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->roce_gids[port - 1][slave_id].raw, 16); - 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 - -/* 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) - -#ifdef DEBUG -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"; -} -#endif /* DEBUG */ - -/** - * 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; - u16 i2c_addr; - int ret; - - if (size > MODULE_INFO_MAX_READ) - size = MODULE_INFO_MAX_READ; - - inbox = mlx4_alloc_cmd_mailbox(dev); - if (IS_ERR(inbox)) { - mlx4_err(dev, - "mlx4_alloc_cmd_mailbox returned with error(%lx)", PTR_ERR(inbox)); - return PTR_ERR(inbox); - } - - outbox = mlx4_alloc_cmd_mailbox(dev); - if (IS_ERR(outbox)) { - mlx4_free_cmd_mailbox(dev, inbox); - mlx4_err(dev, - "mlx4_alloc_cmd_mailbox returned with error(%lx)", PTR_ERR(outbox)); - 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; - - i2c_addr = I2C_ADDR_LOW; - if (offset >= I2C_PAGE_SIZE) { - /* Reset offset to high page */ - i2c_addr = I2C_ADDR_HIGH; - offset -= I2C_PAGE_SIZE; - } - - cable_info = (struct mlx4_cable_info *)inmad->data; - cable_info->dev_mem_address = cpu_to_be16(offset); - cable_info->page_num = 0; - 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); -#ifdef DEBUG - 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)); -#endif - 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); |