/*
* Copyright (c) 2015, Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <linux/mlx5/driver.h>
#include <linux/mlx5/device.h>
#include <linux/mlx5/mlx5_ifc.h>
#include "fs_core.h"
#include "fs_cmd.h"
#include "mlx5_core.h"
#include "eswitch.h"
static int mlx5_cmd_stub_update_root_ft(struct mlx5_core_dev *dev,
struct mlx5_flow_table *ft,
u32 underlay_qpn,
bool disconnect)
{
return 0;
}
static int mlx5_cmd_stub_create_flow_table(struct mlx5_core_dev *dev,
u16 vport,
enum fs_flow_table_op_mod op_mod,
enum fs_flow_table_type type,
unsigned int level,
unsigned int log_size,
struct mlx5_flow_table *next_ft,
unsigned int *table_id, u32 flags)
{
return 0;
}
static int mlx5_cmd_stub_destroy_flow_table(struct mlx5_core_dev *dev,
struct mlx5_flow_table *ft)
{
return 0;
}
static int mlx5_cmd_stub_modify_flow_table(struct mlx5_core_dev *dev,
struct mlx5_flow_table *ft,
struct mlx5_flow_table *next_ft)
{
return 0;
}
static int mlx5_cmd_stub_create_flow_group(struct mlx5_core_dev *dev,
struct mlx5_flow_table *ft,
u32 *in,
unsigned int *group_id)
{
return 0;
}
static int mlx5_cmd_stub_destroy_flow_group(struct mlx5_core_dev *dev,
struct mlx5_flow_table *ft,
unsigned int group_id)
{
return 0;
}
static int mlx5_cmd_stub_create_fte(struct mlx5_core_dev *dev,
struct mlx5_flow_table *ft,
struct mlx5_flow_group *group,
struct fs_fte *fte)
{
return 0;
}
static int mlx5_cmd_stub_update_fte(struct mlx5_core_dev *dev,
struct mlx5_flow_table *ft,
unsigned int group_id,
int modify_mask,
struct fs_fte *fte)
{
return -EOPNOTSUPP;
}
static int mlx5_cmd_stub_delete_fte(struct mlx5_core_dev *dev,
struct mlx5_flow_table *ft,
struct fs_fte *fte)
{
return 0;
}
static int mlx5_cmd_update_root_ft(struct mlx5_core_dev *dev,
struct mlx5_flow_table *ft, u32 underlay_qpn,
bool disconnect)
{
u32 in[MLX5_ST_SZ_DW(set_flow_table_root_in)] = {0};
u32 out[MLX5_ST_SZ_DW(set_flow_table_root_out)] = {0};
if ((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_IB) &&
underlay_qpn == 0)
return 0;
MLX5_SET(set_flow_table_root_in, in, opcode,
MLX5_CMD_OP_SET_FLOW_TABLE_ROOT);
MLX5_SET(set_flow_table_root_in, in, table_type, ft->type);
if (disconnect) {
MLX5_SET(set_flow_table_root_in, in, op_mod, 1);
MLX5_SET(set_flow_table_root_in, in, table_id, 0);
} else {
MLX5_SET(set_flow_table_root_in, in, op_mod, 0);
MLX5_SET(set_flow_table_root_in, in, table_id, ft->id);
}
MLX5_SET(set_flow_table_root_in, in, underlay_qpn, underlay_qpn);
if (ft->vport) {
MLX5_SET(set_flow_table_root_in, in, vport_number, ft->vport);
MLX5_SET(set_flow_table_root_in, in, other_vport, 1);
}
return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
static int mlx5_cmd_create_flow_table(struct mlx5_core_dev *dev,
u16 vport,
enum fs_flow_table_op_mod op_mod,
enum fs_flow_table_type type,
unsigned int level,
unsigned int log_size,
struct mlx5_flow_table *next_ft,
unsigned int *table_id, u32 flags)
{
int en_encap = !!(flags & MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT);
int en_decap = !!(flags & MLX5_FLOW_TABLE_TUNNEL_EN_DECAP);
u32 out[MLX5_ST_SZ_DW(create_flow_table_out)] = {0};
u32 in[MLX5_ST_SZ_DW(create_flow_table_in)] = {0};
int err;
MLX5_SET(create_flow_table_in, in, opcode,
MLX5_CMD_OP_CREATE_FLOW_TABLE);
MLX5_SET(create_flow_table_in, in, table_type, type);
MLX5_SET(create_flow_table_in, in, flow_table_context.level, level);
MLX5_SET(create_flow_table_in, in, flow_table_context.log_size, log_size);
if (vport) {
MLX5_SET(create_flow_table_in, in, vport_number, vport);
MLX5_SET(create_flow_table_in, in, other_vport, 1);
}
MLX5_SET(create_flow_table_in, in, flow_table_context.decap_en,
en_decap);
MLX5_SET(create_flow_table_in, in, flow_table_context.reformat_en,
en_encap);
switch (op_mod) {
case FS_FT_OP_MOD_NORMAL:
if (next_ft) {
MLX5_SET(create_flow_table_in, in,
flow_table_context.table_miss_action, 1);
MLX5_SET(create_flow_table_in, in,
flow_table_context.table_miss_id, next_ft->id);
}
break;
case FS_FT_OP_MOD_LAG_DEMUX:
MLX5_SET(create_flow_table_in, in, op_mod, 0x1);
if (next_ft)
MLX5_SET(create_flow_table_in, in,
flow_table_context.lag_master_next_table_id,
next_ft->id);
break;
}
err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
if (!err)
*table_id = MLX5_GET(create_flow_table_out, out,
table_id);
return err;
}
static int mlx5_cmd_destroy_flow_table(struct mlx5_core_dev *dev,
struct mlx5_flow_table *ft)
{
u32 in[MLX5_ST_SZ_DW(destroy_flow_table_in)] = {0};
u32 out[MLX5_ST_SZ_DW(destroy_flow_table_out)] = {0};
MLX5_SET(destroy_flow_table_in, in, opcode,
MLX5_CMD_OP_DESTROY_FLOW_TABLE);
MLX5_SET(destroy_flow_table_in, in, table_type, ft->type);
MLX5_SET(destroy_flow_table_in, in, table_id, ft->id);
if (ft->vport) {
MLX5_SET(destroy_flow_table_in, in, vport_number, ft->vport);
MLX5_SET(destroy_flow_table_in, in, other_vport, 1);
}
return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
static int mlx5_cmd_modify_flow_table(struct mlx5_core_dev *dev,
struct mlx5_flow_table *ft,
struct mlx5_flow_table *next_ft)
{
u32 in[MLX5_ST_SZ_DW(modify_flow_table_in)] = {0};
u32 out[MLX5_ST_SZ_DW(modify_flow_table_out)] = {0};
MLX5_SET(modify_flow_table_in, in, opcode,
MLX5_CMD_OP_MODIFY_FLOW_TABLE);
MLX5_SET(modify_flow_table_in, in, table_type, ft->type);
MLX5_SET(modify_flow_table_in, in, table_id, ft->id);
if (ft->op_mod == FS_FT_OP_MOD_LAG_DEMUX) {
MLX5_SET(modify_flow_table_in, in, modify_field_select,
MLX5_MODIFY_FLOW_TABLE_LAG_NEXT_TABLE_ID);
if (next_ft) {
MLX5_SET(modify_flow_table_in, in,
flow_table_context.lag_master_next_table_id, next_ft->id);
} else {
MLX5_SET(modify_flow_table_in, in,
flow_table_context.lag_master_next_table_id, 0);
}
} else {
if (ft->vport) {
MLX5_SET(modify_flow_table_in, in, vport_number,
ft->vport);
MLX5_SET(modify_flow_table_in, in, other_vport, 1);
}
MLX5_SET(modify_flow_table_in, in, modify_field_select,
MLX5_MODIFY_FLOW_TABLE_MISS_TABLE_ID);
if (next_ft) {
MLX5_SET(modify_flow_table_in, in,
flow_table_context.table_miss_action, 1);
MLX5_SET(modify_flow_table_in, in,
flow_table_context.table_miss_id,
next_ft->id);
} else {
MLX5_SET(modify_flow_table_in, in,
flow_table_context.table_miss_action, 0);
}
}
return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
static int mlx5_cmd_create_flow_group(struct mlx5_core_dev *dev,
struct mlx5_flow_table *ft,
u32 *in,
unsigned int *group_id)
{
u32 out[MLX5_ST_SZ_DW(create_flow_group_out)] = {0};
int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
int err;
MLX5_SET(create_flow_group_in, in, opcode,
MLX5_CMD_OP_CREATE_FLOW_GROUP);
MLX5_SET(create_flow_group_in, in, table_type, ft->type);
MLX5_SET(create_flow_group_in, in, table_id, ft->id);
if (ft->vport) {
MLX5_SET(create_flow_group_in, in, vport_number, ft->vport);
MLX5_SET(create_flow_group_in, in, other_vport, 1);
}
err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
if (!err)
*group_id = MLX5_GET(create_flow_group_out, out,
group_id);
return err;
}
static int mlx5_cmd_destroy_flow_group(struct mlx5_core_dev *dev,
struct mlx5_flow_table *ft,
unsigned int group_id)
{
u32 out[MLX5_ST_SZ_DW(destroy_flow_group_out)] = {0};
u32 in[MLX5_ST_SZ_DW(destroy_flow_group_in)] = {0};
MLX5_SET(destroy_flow_group_in, in, opcode,
MLX5_CMD_OP_DESTROY_FLOW_GROUP);
MLX5_SET(destroy_flow_group_in, in, table_type, ft->type);
MLX5_SET(destroy_flow_group_in, in, table_id, ft->id);
MLX5_SET(destroy_flow_group_in, in, group_id, group_id);
if (ft->vport) {
MLX5_SET(destroy_flow_group_in, in, vport_number, ft->vport);
MLX5_SET(destroy_flow_group_in, in, other_vport, 1);
}
return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
static int mlx5_set_extended_dest(struct mlx5_core_dev *dev,
struct fs_fte *fte, bool *extended_dest)
{
int fw_log_max_fdb_encap_uplink =
MLX5_CAP_ESW(dev, log_max_fdb_encap_uplink);
int num_fwd_destinations = 0;
struct mlx5_flow_rule *dst;
int num_encap = 0;
*extended_dest = false;
if (!(fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST))
return 0;
list_for_each_entry(dst, &fte->node.children, node.list) {
if (dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_COUNTER)
continue;
if (dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_VPORT &&
dst->dest_attr.vport.flags & MLX5_FLOW_DEST_VPORT_REFORMAT_ID)
num_encap++;
num_fwd_destinations++;
}
if (num_fwd_destinations > 1 && num_encap > 0)
*extended_dest = true;
if (*extended_dest && !fw_log_max_fdb_encap_uplink) {
mlx5_core_warn(dev, "FW does not support extended destination");
return -EOPNOTSUPP;
}
if (num_encap > (1 << fw_log_max_fdb_encap_uplink)) {
mlx5_core_warn(dev, "FW does not support more than %d encaps",
1 << fw_log_max_fdb_encap_uplink);
return -EOPNOTSUPP;
}
return 0;
}
static int mlx5_cmd_set_fte(struct mlx5_core_dev *dev,
int opmod, int modify_mask,
struct mlx5_flow_table *ft,
unsigned group_id,
struct fs_fte *fte)
{
u32 out[MLX5_ST_SZ_DW(set_fte_out)] = {0};
bool extended_dest = false;
struct mlx5_flow_rule *dst;
void *in_flow_context, *vlan;
void *in_match_value;
unsigned int inlen;
int dst_cnt_size;
void *in_dests;
u32 *in;
int err;
if (mlx5_set_extended_dest(dev, fte, &extended_dest))
return -EOPNOTSUPP;
if (!extended_dest)
dst_cnt_size = MLX5_ST_SZ_BYTES(dest_format_struct);
else
dst_cnt_size = MLX5_ST_SZ_BYTES(extended_dest_format);
inlen = MLX5_ST_SZ_BYTES(set_fte_in) + fte->dests_size * dst_cnt_size;
in = kvzalloc(inlen, GFP_KERNEL);
if (!in)
return -ENOMEM;
MLX5_SET(set_fte_in, in, opcode, MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY);
MLX5_SET(set_fte_in, in, op_mod, opmod);
MLX5_SET(set_fte_in, in, modify_enable_mask, modify_mask);
MLX5_SET(set_fte_in, in, table_type, ft->type);
MLX5_SET(set_fte_in, in, table_id, ft->id);
MLX5_SET(set_fte_in, in, flow_index, fte->index);
if (ft->vport) {
MLX5_SET(set_fte_in, in, vport_number, ft->vport);
MLX5_SET(set_fte_in, in, other_vport, 1);
}
in_flow_context = MLX5_ADDR_OF(set_fte_in, in, flow_context);
MLX5_SET(flow_context, in_flow_context, group_id, group_id);
MLX5_SET(flow_context, in_flow_context, flow_tag, fte->action.flow_tag);
MLX5_SET(flow_context, in_flow_context, extended_destination,
extended_dest);
if (extended_dest) {
u32 action;
action = fte->action.action &
~MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT;
MLX5_SET(flow_context, in_flow_context, action, action);
} else {
MLX5_SET(flow_context, in_flow_context, action,
fte->action.action);
MLX5_SET(flow_context, in_flow_context, packet_reformat_id,
fte->action.reformat_id);
}
MLX5_SET(flow_context, in_flow_context, modify_header_id,
fte->action.modify_id);
vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan);
MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[0].ethtype);
MLX5_SET(vlan, vlan, vid, fte->action.vlan[0].vid);
MLX5_SET(vlan, vlan, prio, fte->action.vlan[0].prio);
vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan_2);
MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[1].ethtype);
MLX5_SET(vlan, vlan, vid, fte->action.vlan[1].vid);
MLX5_SET(vlan, vlan, prio, fte->action.vlan[1].prio);
in_match_value = MLX5_ADDR_OF(flow_context, in_flow_context,
match_value);
memcpy(in_match_value, &fte->val, sizeof(fte->val));
in_dests = MLX5_ADDR_OF(flow_context, in_flow_context, destination);
if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
int list_size = 0;
list_for_each_entry(dst, &fte->node.children, node.list) {
unsigned int id, type = dst->dest_attr.type;
if (type == MLX5_FLOW_DESTINATION_TYPE_COUNTER)
continue;
switch (type) {
case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM:
id = dst->dest_attr.ft_num;
type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
break;
case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE:
id = dst->dest_attr.ft->id;
break;
case MLX5_FLOW_DESTINATION_TYPE_VPORT:
id = dst->dest_attr.vport.num;
MLX5_SET(dest_format_struct, in_dests,
destination_eswitch_owner_vhca_id_valid,
!!(dst->dest_attr.vport.flags &
MLX5_FLOW_DEST_VPORT_VHCA_ID));
MLX5_SET(dest_format_struct, in_dests,
destination_eswitch_owner_vhca_id,
dst->dest_attr.vport.vhca_id);
if (extended_dest) {
MLX5_SET(dest_format_struct, in_dests,
packet_reformat,
!!(dst->dest_attr.vport.flags &
MLX5_FLOW_DEST_VPORT_REFORMAT_ID));
MLX5_SET(extended_dest_format, in_dests,
packet_reformat_id,
dst->dest_attr.vport.reformat_id);
}
break;
default:
id = dst->dest_attr.tir_num;
}
MLX5_SET(dest_format_struct, in_dests, destination_type,
type);
MLX5_SET(dest_format_struct, in_dests, destination_id, id);
in_dests += dst_cnt_size;
list_size++;
}
MLX5_SET(flow_context, in_flow_context, destination_list_size,
list_size);
}
if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
int max_list_size = BIT(MLX5_CAP_FLOWTABLE_TYPE(dev,
log_max_flow_counter,
ft->type));
int list_size = 0;
list_for_each_entry(dst, &fte->node.children, node.list) {
if (dst->dest_attr.type !=
MLX5_FLOW_DESTINATION_TYPE_COUNTER)
continue;
MLX5_SET(flow_counter_list, in_dests, flow_counter_id,
dst->dest_attr.counter_id);
in_dests += dst_cnt_size;
list_size++;
}
if (list_size > max_list_size) {
err = -EINVAL;
goto err_out;
}
MLX5_SET(flow_context, in_flow_context, flow_counter_list_size,
list_size);
}
err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
err_out:
kvfree(in);
return err;
}
static int mlx5_cmd_create_fte(struct mlx5_core_dev *dev,
struct mlx5_flow_table *ft,
struct mlx5_flow_group *group,
struct fs_fte *fte)
{
unsigned int group_id = group->id;
return mlx5_cmd_set_fte(dev, 0, 0, ft, group_id, fte);
}
static int mlx5_cmd_update_fte(struct mlx5_core_dev *dev,
struct mlx5_flow_table *ft,
unsigned int group_id,
int modify_mask,
struct fs_fte *fte)
{
int opmod;
int atomic_mod_cap = MLX5_CAP_FLOWTABLE(dev,
flow_table_properties_nic_receive.
flow_modify_en);
if (!atomic_mod_cap)
return -EOPNOTSUPP;
opmod = 1;
return mlx5_cmd_set_fte(dev, opmod, modify_mask, ft, group_id, fte);
}
static int mlx5_cmd_delete_fte(struct mlx5_core_dev *dev,
struct mlx5_flow_table *ft,
struct fs_fte *fte)
{
u32 out[MLX5_ST_SZ_DW(delete_fte_out)] = {0};
u32 in[MLX5_ST_SZ_DW(delete_fte_in)] = {0};
MLX5_SET(delete_fte_in, in, opcode, MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY);
MLX5_SET(delete_fte_in, in, table_type, ft->type);
MLX5_SET(delete_fte_in, in, table_id, ft->id);
MLX5_SET(delete_fte_in, in, flow_index, fte->index);
if (ft->vport) {
MLX5_SET(delete_fte_in, in, vport_number, ft->vport);
MLX5_SET(delete_fte_in, in, other_vport, 1);
}
return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id)
{
u32 in[MLX5_ST_SZ_DW(alloc_flow_counter_in)] = {0};
u32 out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {0};
int err;
MLX5_SET(alloc_flow_counter_in, in, opcode,
MLX5_CMD_OP_ALLOC_FLOW_COUNTER);
err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
if (!err)
*id = MLX5_GET(alloc_flow_counter_out, out, flow_counter_id);
return err;
}
int mlx5_cmd_fc_free(struct mlx5_core_dev *dev, u32 id)
{
u32 in[MLX5_ST_SZ_DW(dealloc_flow_counter_in)] = {0};
u32 out[MLX5_ST_SZ_DW(dealloc_flow_counter_out)] = {0};
MLX5_SET(dealloc_flow_counter_in, in, opcode,
MLX5_CMD_OP_DEALLOC_FLOW_COUNTER);
MLX5_SET(dealloc_flow_counter_in, in, flow_counter_id, id);
return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
int mlx5_cmd_fc_query(struct mlx5_core_dev *dev, u32 id,
u64 *packets, u64 *bytes)
{
u32 out[MLX5_ST_SZ_BYTES(query_flow_counter_out) +
MLX5_ST_SZ_BYTES(traffic_counter)] = {0};
u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0};
void *stats;
int err = 0;
MLX5_SET(query_flow_counter_in, in, opcode,
MLX5_CMD_OP_QUERY_FLOW_COUNTER);
MLX5_SET(query_flow_counter_in, in, op_mod, 0);
MLX5_SET(query_flow_counter_in, in, flow_counter_id, id);
err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
if (err)
return err;
stats = MLX5_ADDR_OF(query_flow_counter_out, out, flow_statistics);
*packets = MLX5_GET64(traffic_counter, stats, packets);
*bytes = MLX5_GET64(traffic_counter, stats, octets);
return 0;
}
struct mlx5_cmd_fc_bulk {
u32 id;
int num;
int outlen;
u32 out[0];
};
struct mlx5_cmd_fc_bulk *
mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev, u32 id, int num)
{
struct mlx5_cmd_fc_bulk *b;
int outlen =
MLX5_ST_SZ_BYTES(query_flow_counter_out) +
MLX5_ST_SZ_BYTES(traffic_counter) * num;
b = kzalloc(sizeof(*b) + outlen, GFP_KERNEL);
if (!b)
return NULL;
b->id = id;
b->num = num;
b->outlen = outlen;
return b;
}
void mlx5_cmd_fc_bulk_free(struct mlx5_cmd_fc_bulk *b)
{
kfree(b);
}
int
mlx5_cmd_fc_bulk_query(struct mlx5_core_dev *dev, struct mlx5_cmd_fc_bulk *b)
{
u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0};
MLX5_SET(query_flow_counter_in, in, opcode,
MLX5_CMD_OP_QUERY_FLOW_COUNTER);
MLX5_SET(query_flow_counter_in, in, op_mod, 0);
MLX5_SET(query_flow_counter_in, in, flow_counter_id, b->id);
MLX5_SET(query_flow_counter_in, in, num_of_counters, b->num);
return mlx5_cmd_exec(dev, in, sizeof(in), b->out, b->outlen);
}
void mlx5_cmd_fc_bulk_get(struct mlx5_core_dev *dev,
struct mlx5_cmd_fc_bulk *b, u32 id,
u64 *packets, u64 *bytes)
{
int index = id - b->id;
void *stats;
if (index < 0 || index >= b->num) {
mlx5_core_warn(dev, "Flow counter id (0x%x) out of range (0x%x..0x%x). Counter ignored.\n",
id, b->id, b->id + b->num - 1);
return;
}
stats = MLX5_ADDR_OF(query_flow_counter_out, b->out,
flow_statistics[index]);
*packets = MLX5_GET64(traffic_counter, stats, packets);
*bytes = MLX5_GET64(traffic_counter, stats, octets);
}
int mlx5_packet_reformat_alloc(struct mlx5_core_dev *dev,
int reformat_type,
size_t size,
void *reformat_data,
enum mlx5_flow_namespace_type namespace,
u32 *packet_reformat_id)
{
u32 out[MLX5_ST_SZ_DW(alloc_packet_reformat_context_out)];
void *packet_reformat_context_in;
int max_encap_size;
void *reformat;
int inlen;
int err;
u32 *in;
if (namespace == MLX5_FLOW_NAMESPACE_FDB)
max_encap_size = MLX5_CAP_ESW(dev, max_encap_header_size);
else
max_encap_size = MLX5_CAP_FLOWTABLE(dev, max_encap_header_size);
if (size > max_encap_size) {
mlx5_core_warn(dev, "encap size %zd too big, max supported is %d\n",
size, max_encap_size);
return -EINVAL;
}
in = kzalloc(MLX5_ST_SZ_BYTES(alloc_packet_reformat_context_in) + size,
GFP_KERNEL);
if (!in)
return -ENOMEM;
packet_reformat_context_in = MLX5_ADDR_OF(alloc_packet_reformat_context_in,
in, packet_reformat_context);
reformat = MLX5_ADDR_OF(packet_reformat_context_in,
packet_reformat_context_in,
reformat_data);
inlen = reformat - (void *)in + size;
memset(in, 0, inlen);
MLX5_SET(alloc_packet_reformat_context_in, in, opcode,
MLX5_CMD_OP_ALLOC_PACKET_REFORMAT_CONTEXT);
MLX5_SET(packet_reformat_context_in, packet_reformat_context_in,
reformat_data_size, size);
MLX5_SET(packet_reformat_context_in, packet_reformat_context_in,
reformat_type, reformat_type);
memcpy(reformat, reformat_data, size);
memset(out, 0, sizeof(out));
err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
*packet_reformat_id = MLX5_GET(alloc_packet_reformat_context_out,
out, packet_reformat_id);
kfree(in);
return err;
}
EXPORT_SYMBOL(mlx5_packet_reformat_alloc);
void mlx5_packet_reformat_dealloc(struct mlx5_core_dev *dev,
u32 packet_reformat_id)
{
u32 in[MLX5_ST_SZ_DW(dealloc_packet_reformat_context_in)];
u32 out[MLX5_ST_SZ_DW(dealloc_packet_reformat_context_out)];
memset(in, 0, sizeof(in));
MLX5_SET(dealloc_packet_reformat_context_in, in, opcode,
MLX5_CMD_OP_DEALLOC_PACKET_REFORMAT_CONTEXT);
MLX5_SET(dealloc_packet_reformat_context_in, in, packet_reformat_id,
packet_reformat_id);
mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
EXPORT_SYMBOL(mlx5_packet_reformat_dealloc);
int mlx5_modify_header_alloc(struct mlx5_core_dev *dev,
u8 namespace, u8 num_actions,
void *modify_actions, u32 *modify_header_id)
{
u32 out[MLX5_ST_SZ_DW(alloc_modify_header_context_out)];
int max_actions, actions_size, inlen, err;
void *actions_in;
u8 table_type;
u32 *in;
switch (namespace) {
case MLX5_FLOW_NAMESPACE_FDB:
max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(dev, max_modify_header_actions);
table_type = FS_FT_FDB;
break;
case MLX5_FLOW_NAMESPACE_KERNEL:
case MLX5_FLOW_NAMESPACE_BYPASS:
max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(dev, max_modify_header_actions);
table_type = FS_FT_NIC_RX;
break;
case MLX5_FLOW_NAMESPACE_EGRESS:
max_actions = MLX5_CAP_FLOWTABLE_NIC_TX(dev, max_modify_header_actions);
table_type = FS_FT_NIC_TX;
break;
default:
return -EOPNOTSUPP;
}
if (num_actions > max_actions) {
mlx5_core_warn(dev, "too many modify header actions %d, max supported %d\n",
num_actions, max_actions);
return -EOPNOTSUPP;
}
actions_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) * num_actions;
inlen = MLX5_ST_SZ_BYTES(alloc_modify_header_context_in) + actions_size;
in = kzalloc(inlen, GFP_KERNEL);
if (!in)
return -ENOMEM;
MLX5_SET(alloc_modify_header_context_in, in, opcode,
MLX5_CMD_OP_ALLOC_MODIFY_HEADER_CONTEXT);
MLX5_SET(alloc_modify_header_context_in, in, table_type, table_type);
MLX5_SET(alloc_modify_header_context_in, in, num_of_actions, num_actions);
actions_in = MLX5_ADDR_OF(alloc_modify_header_context_in, in, actions);
memcpy(actions_in, modify_actions, actions_size);
memset(out, 0, sizeof(out));
err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
*modify_header_id = MLX5_GET(alloc_modify_header_context_out, out, modify_header_id);
kfree(in);
return err;
}
EXPORT_SYMBOL(mlx5_modify_header_alloc);
void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev, u32 modify_header_id)
{
u32 in[MLX5_ST_SZ_DW(dealloc_modify_header_context_in)];
u32 out[MLX5_ST_SZ_DW(dealloc_modify_header_context_out)];
memset(in, 0, sizeof(in));
MLX5_SET(dealloc_modify_header_context_in, in, opcode,
MLX5_CMD_OP_DEALLOC_MODIFY_HEADER_CONTEXT);
MLX5_SET(dealloc_modify_header_context_in, in, modify_header_id,
modify_header_id);
mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
EXPORT_SYMBOL(mlx5_modify_header_dealloc);
static const struct mlx5_flow_cmds mlx5_flow_cmds = {
.create_flow_table = mlx5_cmd_create_flow_table,
.destroy_flow_table = mlx5_cmd_destroy_flow_table,
.modify_flow_table = mlx5_cmd_modify_flow_table,
.create_flow_group = mlx5_cmd_create_flow_group,
.destroy_flow_group = mlx5_cmd_destroy_flow_group,
.create_fte = mlx5_cmd_create_fte,
.update_fte = mlx5_cmd_update_fte,
.delete_fte = mlx5_cmd_delete_fte,
.update_root_ft = mlx5_cmd_update_root_ft,
};
static const struct mlx5_flow_cmds mlx5_flow_cmd_stubs = {
.create_flow_table = mlx5_cmd_stub_create_flow_table,
.destroy_flow_table = mlx5_cmd_stub_destroy_flow_table,
.modify_flow_table = mlx5_cmd_stub_modify_flow_table,
.create_flow_group = mlx5_cmd_stub_create_flow_group,
.destroy_flow_group = mlx5_cmd_stub_destroy_flow_group,
.create_fte = mlx5_cmd_stub_create_fte,
.update_fte = mlx5_cmd_stub_update_fte,
.delete_fte = mlx5_cmd_stub_delete_fte,
.update_root_ft = mlx5_cmd_stub_update_root_ft,
};
static const struct mlx5_flow_cmds *mlx5_fs_cmd_get_fw_cmds(void)
{
return &mlx5_flow_cmds;
}
static const struct mlx5_flow_cmds *mlx5_fs_cmd_get_stub_cmds(void)
{
return &mlx5_flow_cmd_stubs;
}
const struct mlx5_flow_cmds *mlx5_fs_cmd_get_default(enum fs_flow_table_type type)
{
switch (type) {
case FS_FT_NIC_RX:
case FS_FT_ESW_EGRESS_ACL:
case FS_FT_ESW_INGRESS_ACL:
case FS_FT_FDB:
case FS_FT_SNIFFER_RX:
case FS_FT_SNIFFER_TX:
case FS_FT_NIC_TX:
return mlx5_fs_cmd_get_fw_cmds();
default:
return mlx5_fs_cmd_get_stub_cmds();
}
}
