[mirror_ubuntu-artful-kernel.git] / drivers / net / ethernet / mellanox / mlx5 / core / fs_cmd.c

/*
 * 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"

int mlx5_cmd_update_root_ft(struct mlx5_core_dev *dev,
			    struct mlx5_flow_table *ft, u32 underlay_qpn)
{
	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);
	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));
}

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_decap = !!(flags & MLX5_FLOW_TABLE_TUNNEL_EN);
	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, level, level);
	MLX5_SET(create_flow_table_in, in, 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, decap_en, en_encap_decap);
	MLX5_SET(create_flow_table_in, in, encap_en, en_encap_decap);

	switch (op_mod) {
	case FS_FT_OP_MOD_NORMAL:
		if (next_ft) {
			MLX5_SET(create_flow_table_in, in, table_miss_mode, 1);
			MLX5_SET(create_flow_table_in, in, 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, 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;
}

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));
}

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,
				 lag_master_next_table_id, next_ft->id);
		} else {
			MLX5_SET(modify_flow_table_in, in,
				 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, table_miss_mode, 1);
			MLX5_SET(modify_flow_table_in, in, table_miss_id,
				 next_ft->id);
		} else {
			MLX5_SET(modify_flow_table_in, in, table_miss_mode, 0);
		}
	}

	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}

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;
}

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_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)
{
	unsigned int inlen = MLX5_ST_SZ_BYTES(set_fte_in) +
		fte->dests_size * MLX5_ST_SZ_BYTES(dest_format_struct);
	u32 out[MLX5_ST_SZ_DW(set_fte_out)] = {0};
	struct mlx5_flow_rule *dst;
	void *in_flow_context;
	void *in_match_value;
	void *in_dests;
	u32 *in;
	int err;

	in = mlx5_vzalloc(inlen);
	if (!in) {
		mlx5_core_warn(dev, "failed to allocate inbox\n");
		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->flow_tag);
	MLX5_SET(flow_context, in_flow_context, action, fte->action);
	MLX5_SET(flow_context, in_flow_context, encap_id, fte->encap_id);
	MLX5_SET(flow_context, in_flow_context, modify_header_id, fte->modify_id);
	in_match_value = MLX5_ADDR_OF(flow_context, in_flow_context,
				      match_value);
	memcpy(in_match_value, &fte->val, MLX5_ST_SZ_BYTES(fte_match_param));

	in_dests = MLX5_ADDR_OF(flow_context, in_flow_context, destination);
	if (fte->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
		int list_size = 0;

		list_for_each_entry(dst, &fte->node.children, node.list) {
			unsigned int id;

			if (dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_COUNTER)
				continue;

			MLX5_SET(dest_format_struct, in_dests, destination_type,
				 dst->dest_attr.type);
			if (dst->dest_attr.type ==
			    MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE) {
				id = dst->dest_attr.ft->id;
			} else {
				id = dst->dest_attr.tir_num;
			}
			MLX5_SET(dest_format_struct, in_dests, destination_id, id);
			in_dests += MLX5_ST_SZ_BYTES(dest_format_struct);
			list_size++;
		}

		MLX5_SET(flow_context, in_flow_context, destination_list_size,
			 list_size);
	}

	if (fte->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
		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 += MLX5_ST_SZ_BYTES(dest_format_struct);
			list_size++;
		}

		MLX5_SET(flow_context, in_flow_context, flow_counter_list_size,
			 list_size);
	}

	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
	kvfree(in);
	return err;
}

int mlx5_cmd_create_fte(struct mlx5_core_dev *dev,
			struct mlx5_flow_table *ft,
			unsigned group_id,
			struct fs_fte *fte)
{
	return mlx5_cmd_set_fte(dev, 0, 0, ft, group_id, fte);
}

int mlx5_cmd_update_fte(struct mlx5_core_dev *dev,
			struct mlx5_flow_table *ft,
			unsigned 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);
}

int mlx5_cmd_delete_fte(struct mlx5_core_dev *dev,
			struct mlx5_flow_table *ft,
			unsigned int index)
{
	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, 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, u16 *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, u16 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, u16 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 {
	u16 id;
	int num;
	int outlen;
	u32 out[0];
};

struct mlx5_cmd_fc_bulk *
mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev, u16 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, u16 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_encap_alloc(struct mlx5_core_dev *dev,
		     int header_type,
		     size_t size,
		     void *encap_header,
		     u32 *encap_id)
{
	int max_encap_size = MLX5_CAP_ESW(dev, max_encap_header_size);
	u32 out[MLX5_ST_SZ_DW(alloc_encap_header_out)];
	void *encap_header_in;
	void *header;
	int inlen;
	int err;
	u32 *in;

	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_encap_header_in) + size,
		     GFP_KERNEL);
	if (!in)
		return -ENOMEM;

	encap_header_in = MLX5_ADDR_OF(alloc_encap_header_in, in, encap_header);
	header = MLX5_ADDR_OF(encap_header_in, encap_header_in, encap_header);
	inlen = header - (void *)in  + size;

	memset(in, 0, inlen);
	MLX5_SET(alloc_encap_header_in, in, opcode,
		 MLX5_CMD_OP_ALLOC_ENCAP_HEADER);
	MLX5_SET(encap_header_in, encap_header_in, encap_header_size, size);
	MLX5_SET(encap_header_in, encap_header_in, header_type, header_type);
	memcpy(header, encap_header, size);

	memset(out, 0, sizeof(out));
	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));

	*encap_id = MLX5_GET(alloc_encap_header_out, out, encap_id);
	kfree(in);
	return err;
}

void mlx5_encap_dealloc(struct mlx5_core_dev *dev, u32 encap_id)
{
	u32 in[MLX5_ST_SZ_DW(dealloc_encap_header_in)];
	u32 out[MLX5_ST_SZ_DW(dealloc_encap_header_out)];

	memset(in, 0, sizeof(in));
	MLX5_SET(dealloc_encap_header_in, in, opcode,
		 MLX5_CMD_OP_DEALLOC_ENCAP_HEADER);
	MLX5_SET(dealloc_encap_header_in, in, encap_id, encap_id);

	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}

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:
		max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(dev, max_modify_header_actions);
		table_type = FS_FT_NIC_RX;
		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;
}

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));
}
Commit	Line	Data
26a81453 MG	1	/*
	2	* Copyright (c) 2015, Mellanox Technologies. All rights reserved.
	3	*
	4	* This software is available to you under a choice of one of two
	5	* licenses. You may choose to be licensed under the terms of the GNU
	6	* General Public License (GPL) Version 2, available from the file
	7	* COPYING in the main directory of this source tree, or the
	8	* OpenIB.org BSD license below:
	9	*
	10	* Redistribution and use in source and binary forms, with or
	11	* without modification, are permitted provided that the following
	12	* conditions are met:
	13	*
	14	* - Redistributions of source code must retain the above
	15	* copyright notice, this list of conditions and the following
	16	* disclaimer.
	17	*
	18	* - Redistributions in binary form must reproduce the above
	19	* copyright notice, this list of conditions and the following
	20	* disclaimer in the documentation and/or other materials
	21	* provided with the distribution.
	22	*
	23	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	24	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	25	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	26	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	27	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	28	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	29	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	30	* SOFTWARE.
	31	*/
	32
	33	#include <linux/mlx5/driver.h>
	34	#include <linux/mlx5/device.h>
	35	#include <linux/mlx5/mlx5_ifc.h>
	36
	37	#include "fs_core.h"
	38	#include "fs_cmd.h"
	39	#include "mlx5_core.h"
c9f1b073	40	#include "eswitch.h"
26a81453	41
2cc43b49	42	int mlx5_cmd_update_root_ft(struct mlx5_core_dev *dev,
50854114	43	struct mlx5_flow_table *ft, u32 underlay_qpn)
2cc43b49	44	{
c4f287c4 SM	45	u32 in[MLX5_ST_SZ_DW(set_flow_table_root_in)] = {0};
c4f287c4 SM	46	u32 out[MLX5_ST_SZ_DW(set_flow_table_root_out)] = {0};
2cc43b49	47
b3ba5149	48	if ((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_IB) &&
50854114	49	underlay_qpn == 0)
b3ba5149 ES	50	return 0;
b3ba5149 ES	51
2cc43b49 MG	52	MLX5_SET(set_flow_table_root_in, in, opcode,
	53	MLX5_CMD_OP_SET_FLOW_TABLE_ROOT);
	54	MLX5_SET(set_flow_table_root_in, in, table_type, ft->type);
	55	MLX5_SET(set_flow_table_root_in, in, table_id, ft->id);
50854114	56	MLX5_SET(set_flow_table_root_in, in, underlay_qpn, underlay_qpn);
efdc810b MHY	57	if (ft->vport) {
	58	MLX5_SET(set_flow_table_root_in, in, vport_number, ft->vport);
	59	MLX5_SET(set_flow_table_root_in, in, other_vport, 1);
	60	}
2cc43b49	61
c4f287c4	62	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
2cc43b49 MG	63	}
2cc43b49 MG	64
26a81453	65	int mlx5_cmd_create_flow_table(struct mlx5_core_dev *dev,
efdc810b	66	u16 vport,
aaff1bea	67	enum fs_flow_table_op_mod op_mod,
26a81453	68	enum fs_flow_table_type type, unsigned int level,
f90edfd2	69	unsigned int log_size, struct mlx5_flow_table
c9f1b073	70	next_ft, unsigned int table_id, u32 flags)
26a81453	71	{
c9f1b073	72	int en_encap_decap = !!(flags & MLX5_FLOW_TABLE_TUNNEL_EN);
c4f287c4 SM	73	u32 out[MLX5_ST_SZ_DW(create_flow_table_out)] = {0};
c4f287c4 SM	74	u32 in[MLX5_ST_SZ_DW(create_flow_table_in)] = {0};
26a81453 MG	75	int err;
26a81453 MG	76
26a81453 MG	77	MLX5_SET(create_flow_table_in, in, opcode,
	78	MLX5_CMD_OP_CREATE_FLOW_TABLE);
	79
	80	MLX5_SET(create_flow_table_in, in, table_type, type);
	81	MLX5_SET(create_flow_table_in, in, level, level);
	82	MLX5_SET(create_flow_table_in, in, log_size, log_size);
efdc810b MHY	83	if (vport) {
	84	MLX5_SET(create_flow_table_in, in, vport_number, vport);
	85	MLX5_SET(create_flow_table_in, in, other_vport, 1);
	86	}
26a81453	87
c9f1b073 HHZ	88	MLX5_SET(create_flow_table_in, in, decap_en, en_encap_decap);
	89	MLX5_SET(create_flow_table_in, in, encap_en, en_encap_decap);
	90
aaff1bea AH	91	switch (op_mod) {
	92	case FS_FT_OP_MOD_NORMAL:
	93	if (next_ft) {
	94	MLX5_SET(create_flow_table_in, in, table_miss_mode, 1);
	95	MLX5_SET(create_flow_table_in, in, table_miss_id, next_ft->id);
	96	}
	97	break;
	98
	99	case FS_FT_OP_MOD_LAG_DEMUX:
	100	MLX5_SET(create_flow_table_in, in, op_mod, 0x1);
	101	if (next_ft)
	102	MLX5_SET(create_flow_table_in, in, lag_master_next_table_id,
	103	next_ft->id);
	104	break;
	105	}
	106
c4f287c4	107	err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
26a81453 MG	108	if (!err)
	109	*table_id = MLX5_GET(create_flow_table_out, out,
	110	table_id);
	111	return err;
	112	}
	113
	114	int mlx5_cmd_destroy_flow_table(struct mlx5_core_dev *dev,
	115	struct mlx5_flow_table *ft)
	116	{
c4f287c4 SM	117	u32 in[MLX5_ST_SZ_DW(destroy_flow_table_in)] = {0};
c4f287c4 SM	118	u32 out[MLX5_ST_SZ_DW(destroy_flow_table_out)] = {0};
26a81453 MG	119
	120	MLX5_SET(destroy_flow_table_in, in, opcode,
	121	MLX5_CMD_OP_DESTROY_FLOW_TABLE);
	122	MLX5_SET(destroy_flow_table_in, in, table_type, ft->type);
	123	MLX5_SET(destroy_flow_table_in, in, table_id, ft->id);
efdc810b MHY	124	if (ft->vport) {
	125	MLX5_SET(destroy_flow_table_in, in, vport_number, ft->vport);
	126	MLX5_SET(destroy_flow_table_in, in, other_vport, 1);
	127	}
26a81453	128
c4f287c4	129	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
26a81453 MG	130	}
26a81453 MG	131
34a40e68 MG	132	int mlx5_cmd_modify_flow_table(struct mlx5_core_dev *dev,
	133	struct mlx5_flow_table *ft,
	134	struct mlx5_flow_table *next_ft)
	135	{
c4f287c4 SM	136	u32 in[MLX5_ST_SZ_DW(modify_flow_table_in)] = {0};
c4f287c4 SM	137	u32 out[MLX5_ST_SZ_DW(modify_flow_table_out)] = {0};
34a40e68 MG	138
	139	MLX5_SET(modify_flow_table_in, in, opcode,
	140	MLX5_CMD_OP_MODIFY_FLOW_TABLE);
	141	MLX5_SET(modify_flow_table_in, in, table_type, ft->type);
	142	MLX5_SET(modify_flow_table_in, in, table_id, ft->id);
aaff1bea AH	143
	144	if (ft->op_mod == FS_FT_OP_MOD_LAG_DEMUX) {
	145	MLX5_SET(modify_flow_table_in, in, modify_field_select,
	146	MLX5_MODIFY_FLOW_TABLE_LAG_NEXT_TABLE_ID);
	147	if (next_ft) {
	148	MLX5_SET(modify_flow_table_in, in,
	149	lag_master_next_table_id, next_ft->id);
	150	} else {
	151	MLX5_SET(modify_flow_table_in, in,
	152	lag_master_next_table_id, 0);
	153	}
34a40e68	154	} else {
aaff1bea AH	155	if (ft->vport) {
	156	MLX5_SET(modify_flow_table_in, in, vport_number,
	157	ft->vport);
	158	MLX5_SET(modify_flow_table_in, in, other_vport, 1);
	159	}
	160	MLX5_SET(modify_flow_table_in, in, modify_field_select,
	161	MLX5_MODIFY_FLOW_TABLE_MISS_TABLE_ID);
	162	if (next_ft) {
	163	MLX5_SET(modify_flow_table_in, in, table_miss_mode, 1);
	164	MLX5_SET(modify_flow_table_in, in, table_miss_id,
	165	next_ft->id);
	166	} else {
	167	MLX5_SET(modify_flow_table_in, in, table_miss_mode, 0);
	168	}
34a40e68 MG	169	}
34a40e68 MG	170
c4f287c4	171	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
34a40e68 MG	172	}
34a40e68 MG	173
26a81453 MG	174	int mlx5_cmd_create_flow_group(struct mlx5_core_dev *dev,
	175	struct mlx5_flow_table *ft,
	176	u32 *in,
	177	unsigned int *group_id)
	178	{
c4f287c4	179	u32 out[MLX5_ST_SZ_DW(create_flow_group_out)] = {0};
26a81453	180	int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
26a81453 MG	181	int err;
26a81453 MG	182
26a81453 MG	183	MLX5_SET(create_flow_group_in, in, opcode,
	184	MLX5_CMD_OP_CREATE_FLOW_GROUP);
	185	MLX5_SET(create_flow_group_in, in, table_type, ft->type);
	186	MLX5_SET(create_flow_group_in, in, table_id, ft->id);
efdc810b MHY	187	if (ft->vport) {
	188	MLX5_SET(create_flow_group_in, in, vport_number, ft->vport);
	189	MLX5_SET(create_flow_group_in, in, other_vport, 1);
	190	}
26a81453	191
c4f287c4	192	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
26a81453 MG	193	if (!err)
	194	*group_id = MLX5_GET(create_flow_group_out, out,
	195	group_id);
26a81453 MG	196	return err;
	197	}
	198
	199	int mlx5_cmd_destroy_flow_group(struct mlx5_core_dev *dev,
	200	struct mlx5_flow_table *ft,
	201	unsigned int group_id)
	202	{
c4f287c4 SM	203	u32 out[MLX5_ST_SZ_DW(destroy_flow_group_out)] = {0};
c4f287c4 SM	204	u32 in[MLX5_ST_SZ_DW(destroy_flow_group_in)] = {0};
26a81453 MG	205
	206	MLX5_SET(destroy_flow_group_in, in, opcode,
	207	MLX5_CMD_OP_DESTROY_FLOW_GROUP);
	208	MLX5_SET(destroy_flow_group_in, in, table_type, ft->type);
	209	MLX5_SET(destroy_flow_group_in, in, table_id, ft->id);
	210	MLX5_SET(destroy_flow_group_in, in, group_id, group_id);
efdc810b MHY	211	if (ft->vport) {
	212	MLX5_SET(destroy_flow_group_in, in, vport_number, ft->vport);
	213	MLX5_SET(destroy_flow_group_in, in, other_vport, 1);
	214	}
26a81453	215
c4f287c4	216	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
26a81453 MG	217	}
	218
	219	static int mlx5_cmd_set_fte(struct mlx5_core_dev *dev,
	220	int opmod, int modify_mask,
	221	struct mlx5_flow_table *ft,
	222	unsigned group_id,
	223	struct fs_fte *fte)
	224	{
	225	unsigned int inlen = MLX5_ST_SZ_BYTES(set_fte_in) +
	226	fte->dests_size * MLX5_ST_SZ_BYTES(dest_format_struct);
c4f287c4	227	u32 out[MLX5_ST_SZ_DW(set_fte_out)] = {0};
26a81453 MG	228	struct mlx5_flow_rule *dst;
	229	void *in_flow_context;
	230	void *in_match_value;
	231	void *in_dests;
	232	u32 *in;
	233	int err;
	234
	235	in = mlx5_vzalloc(inlen);
	236	if (!in) {
	237	mlx5_core_warn(dev, "failed to allocate inbox\n");
	238	return -ENOMEM;
	239	}
	240
	241	MLX5_SET(set_fte_in, in, opcode, MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY);
	242	MLX5_SET(set_fte_in, in, op_mod, opmod);
	243	MLX5_SET(set_fte_in, in, modify_enable_mask, modify_mask);
	244	MLX5_SET(set_fte_in, in, table_type, ft->type);
	245	MLX5_SET(set_fte_in, in, table_id, ft->id);
	246	MLX5_SET(set_fte_in, in, flow_index, fte->index);
efdc810b MHY	247	if (ft->vport) {
	248	MLX5_SET(set_fte_in, in, vport_number, ft->vport);
	249	MLX5_SET(set_fte_in, in, other_vport, 1);
	250	}
26a81453 MG	251
	252	in_flow_context = MLX5_ADDR_OF(set_fte_in, in, flow_context);
	253	MLX5_SET(flow_context, in_flow_context, group_id, group_id);
	254	MLX5_SET(flow_context, in_flow_context, flow_tag, fte->flow_tag);
	255	MLX5_SET(flow_context, in_flow_context, action, fte->action);
66958ed9	256	MLX5_SET(flow_context, in_flow_context, encap_id, fte->encap_id);
2a69cb9f	257	MLX5_SET(flow_context, in_flow_context, modify_header_id, fte->modify_id);
26a81453 MG	258	in_match_value = MLX5_ADDR_OF(flow_context, in_flow_context,
	259	match_value);
	260	memcpy(in_match_value, &fte->val, MLX5_ST_SZ_BYTES(fte_match_param));
	261
bd5251db	262	in_dests = MLX5_ADDR_OF(flow_context, in_flow_context, destination);
60ab4584	263	if (fte->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
bd5251db AV	264	int list_size = 0;
bd5251db AV	265
60ab4584 AV	266	list_for_each_entry(dst, &fte->node.children, node.list) {
	267	unsigned int id;
	268
bd5251db AV	269	if (dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_COUNTER)
	270	continue;
	271
60ab4584 AV	272	MLX5_SET(dest_format_struct, in_dests, destination_type,
	273	dst->dest_attr.type);
	274	if (dst->dest_attr.type ==
	275	MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE) {
	276	id = dst->dest_attr.ft->id;
	277	} else {
	278	id = dst->dest_attr.tir_num;
	279	}
	280	MLX5_SET(dest_format_struct, in_dests, destination_id, id);
	281	in_dests += MLX5_ST_SZ_BYTES(dest_format_struct);
bd5251db AV	282	list_size++;
	283	}
	284
	285	MLX5_SET(flow_context, in_flow_context, destination_list_size,
	286	list_size);
	287	}
	288
	289	if (fte->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
	290	int list_size = 0;
	291
	292	list_for_each_entry(dst, &fte->node.children, node.list) {
	293	if (dst->dest_attr.type !=
	294	MLX5_FLOW_DESTINATION_TYPE_COUNTER)
	295	continue;
	296
	297	MLX5_SET(flow_counter_list, in_dests, flow_counter_id,
	298	dst->dest_attr.counter->id);
	299	in_dests += MLX5_ST_SZ_BYTES(dest_format_struct);
	300	list_size++;
60ab4584	301	}
bd5251db AV	302
	303	MLX5_SET(flow_context, in_flow_context, flow_counter_list_size,
	304	list_size);
26a81453	305	}
bd5251db	306
c4f287c4	307	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
26a81453	308	kvfree(in);
26a81453 MG	309	return err;
	310	}
	311
	312	int mlx5_cmd_create_fte(struct mlx5_core_dev *dev,
	313	struct mlx5_flow_table *ft,
	314	unsigned group_id,
	315	struct fs_fte *fte)
	316	{
c4f287c4	317	return mlx5_cmd_set_fte(dev, 0, 0, ft, group_id, fte);
26a81453 MG	318	}
	319
	320	int mlx5_cmd_update_fte(struct mlx5_core_dev *dev,
	321	struct mlx5_flow_table *ft,
	322	unsigned group_id,
bd5251db	323	int modify_mask,
26a81453 MG	324	struct fs_fte *fte)
	325	{
	326	int opmod;
26a81453 MG	327	int atomic_mod_cap = MLX5_CAP_FLOWTABLE(dev,
	328	flow_table_properties_nic_receive.
	329	flow_modify_en);
	330	if (!atomic_mod_cap)
9eb78923	331	return -EOPNOTSUPP;
26a81453	332	opmod = 1;
26a81453 MG	333
	334	return mlx5_cmd_set_fte(dev, opmod, modify_mask, ft, group_id, fte);
	335	}
	336
	337	int mlx5_cmd_delete_fte(struct mlx5_core_dev *dev,
	338	struct mlx5_flow_table *ft,
	339	unsigned int index)
	340	{
c4f287c4 SM	341	u32 out[MLX5_ST_SZ_DW(delete_fte_out)] = {0};
c4f287c4 SM	342	u32 in[MLX5_ST_SZ_DW(delete_fte_in)] = {0};
26a81453 MG	343
	344	MLX5_SET(delete_fte_in, in, opcode, MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY);
	345	MLX5_SET(delete_fte_in, in, table_type, ft->type);
	346	MLX5_SET(delete_fte_in, in, table_id, ft->id);
	347	MLX5_SET(delete_fte_in, in, flow_index, index);
efdc810b MHY	348	if (ft->vport) {
	349	MLX5_SET(delete_fte_in, in, vport_number, ft->vport);
	350	MLX5_SET(delete_fte_in, in, other_vport, 1);
	351	}
26a81453	352
c4f287c4	353	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
26a81453	354	}
9dc0b289 AV	355
	356	int mlx5_cmd_fc_alloc(struct mlx5_core_dev dev, u16 id)
	357	{
c4f287c4 SM	358	u32 in[MLX5_ST_SZ_DW(alloc_flow_counter_in)] = {0};
c4f287c4 SM	359	u32 out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {0};
9dc0b289 AV	360	int err;
9dc0b289 AV	361
9dc0b289 AV	362	MLX5_SET(alloc_flow_counter_in, in, opcode,
	363	MLX5_CMD_OP_ALLOC_FLOW_COUNTER);
	364
c4f287c4 SM	365	err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
	366	if (!err)
	367	*id = MLX5_GET(alloc_flow_counter_out, out, flow_counter_id);
	368	return err;
9dc0b289 AV	369	}
	370
	371	int mlx5_cmd_fc_free(struct mlx5_core_dev *dev, u16 id)
	372	{
c4f287c4 SM	373	u32 in[MLX5_ST_SZ_DW(dealloc_flow_counter_in)] = {0};
c4f287c4 SM	374	u32 out[MLX5_ST_SZ_DW(dealloc_flow_counter_out)] = {0};
9dc0b289 AV	375
	376	MLX5_SET(dealloc_flow_counter_in, in, opcode,
	377	MLX5_CMD_OP_DEALLOC_FLOW_COUNTER);
	378	MLX5_SET(dealloc_flow_counter_in, in, flow_counter_id, id);
c4f287c4	379	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
9dc0b289 AV	380	}
	381
	382	int mlx5_cmd_fc_query(struct mlx5_core_dev *dev, u16 id,
	383	u64 packets, u64 bytes)
	384	{
	385	u32 out[MLX5_ST_SZ_BYTES(query_flow_counter_out) +
c4f287c4 SM	386	MLX5_ST_SZ_BYTES(traffic_counter)] = {0};
c4f287c4 SM	387	u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0};
9dc0b289 AV	388	void *stats;
	389	int err = 0;
	390
9dc0b289 AV	391	MLX5_SET(query_flow_counter_in, in, opcode,
	392	MLX5_CMD_OP_QUERY_FLOW_COUNTER);
	393	MLX5_SET(query_flow_counter_in, in, op_mod, 0);
	394	MLX5_SET(query_flow_counter_in, in, flow_counter_id, id);
c4f287c4	395	err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
9dc0b289 AV	396	if (err)
	397	return err;
	398
	399	stats = MLX5_ADDR_OF(query_flow_counter_out, out, flow_statistics);
	400	*packets = MLX5_GET64(traffic_counter, stats, packets);
	401	*bytes = MLX5_GET64(traffic_counter, stats, octets);
9dc0b289 AV	402	return 0;
9dc0b289 AV	403	}
a351a1b0 AV	404
	405	struct mlx5_cmd_fc_bulk {
	406	u16 id;
	407	int num;
	408	int outlen;
	409	u32 out[0];
	410	};
	411
	412	struct mlx5_cmd_fc_bulk *
	413	mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev, u16 id, int num)
	414	{
	415	struct mlx5_cmd_fc_bulk *b;
babd6134	416	int outlen =
a351a1b0 AV	417	MLX5_ST_SZ_BYTES(query_flow_counter_out) +
	418	MLX5_ST_SZ_BYTES(traffic_counter) * num;
	419
babd6134	420	b = kzalloc(sizeof(*b) + outlen, GFP_KERNEL);
a351a1b0 AV	421	if (!b)
	422	return NULL;
	423
	424	b->id = id;
	425	b->num = num;
	426	b->outlen = outlen;
	427
	428	return b;
	429	}
	430
	431	void mlx5_cmd_fc_bulk_free(struct mlx5_cmd_fc_bulk *b)
	432	{
	433	kfree(b);
	434	}
	435
	436	int
	437	mlx5_cmd_fc_bulk_query(struct mlx5_core_dev dev, struct mlx5_cmd_fc_bulk b)
	438	{
c4f287c4	439	u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0};
a351a1b0 AV	440
	441	MLX5_SET(query_flow_counter_in, in, opcode,
	442	MLX5_CMD_OP_QUERY_FLOW_COUNTER);
	443	MLX5_SET(query_flow_counter_in, in, op_mod, 0);
	444	MLX5_SET(query_flow_counter_in, in, flow_counter_id, b->id);
	445	MLX5_SET(query_flow_counter_in, in, num_of_counters, b->num);
c4f287c4	446	return mlx5_cmd_exec(dev, in, sizeof(in), b->out, b->outlen);
a351a1b0 AV	447	}
	448
	449	void mlx5_cmd_fc_bulk_get(struct mlx5_core_dev *dev,
	450	struct mlx5_cmd_fc_bulk *b, u16 id,
	451	u64 packets, u64 bytes)
	452	{
	453	int index = id - b->id;
	454	void *stats;
	455
	456	if (index < 0 \|\| index >= b->num) {
	457	mlx5_core_warn(dev, "Flow counter id (0x%x) out of range (0x%x..0x%x). Counter ignored.\n",
	458	id, b->id, b->id + b->num - 1);
	459	return;
	460	}
	461
	462	stats = MLX5_ADDR_OF(query_flow_counter_out, b->out,
	463	flow_statistics[index]);
	464	*packets = MLX5_GET64(traffic_counter, stats, packets);
	465	*bytes = MLX5_GET64(traffic_counter, stats, octets);
	466	}
575ddf58	467
ae9f83ac HHZ	468	int mlx5_encap_alloc(struct mlx5_core_dev *dev,
	469	int header_type,
	470	size_t size,
	471	void *encap_header,
	472	u32 *encap_id)
575ddf58	473	{
43f93839	474	int max_encap_size = MLX5_CAP_ESW(dev, max_encap_header_size);
575ddf58	475	u32 out[MLX5_ST_SZ_DW(alloc_encap_header_out)];
43f93839 HHZ	476	void *encap_header_in;
	477	void *header;
	478	int inlen;
575ddf58	479	int err;
43f93839	480	u32 *in;
575ddf58	481
073ff3c8 OG	482	if (size > max_encap_size) {
	483	mlx5_core_warn(dev, "encap size %zd too big, max supported is %d\n",
	484	size, max_encap_size);
575ddf58	485	return -EINVAL;
073ff3c8	486	}
575ddf58	487
073ff3c8	488	in = kzalloc(MLX5_ST_SZ_BYTES(alloc_encap_header_in) + size,
43f93839 HHZ	489	GFP_KERNEL);
	490	if (!in)
	491	return -ENOMEM;
	492
	493	encap_header_in = MLX5_ADDR_OF(alloc_encap_header_in, in, encap_header);
	494	header = MLX5_ADDR_OF(encap_header_in, encap_header_in, encap_header);
	495	inlen = header - (void *)in + size;
	496
575ddf58 IL	497	memset(in, 0, inlen);
	498	MLX5_SET(alloc_encap_header_in, in, opcode,
	499	MLX5_CMD_OP_ALLOC_ENCAP_HEADER);
	500	MLX5_SET(encap_header_in, encap_header_in, encap_header_size, size);
	501	MLX5_SET(encap_header_in, encap_header_in, header_type, header_type);
	502	memcpy(header, encap_header, size);
	503
	504	memset(out, 0, sizeof(out));
	505	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
	506
	507	*encap_id = MLX5_GET(alloc_encap_header_out, out, encap_id);
43f93839	508	kfree(in);
575ddf58 IL	509	return err;
	510	}
	511
ae9f83ac	512	void mlx5_encap_dealloc(struct mlx5_core_dev *dev, u32 encap_id)
575ddf58 IL	513	{
	514	u32 in[MLX5_ST_SZ_DW(dealloc_encap_header_in)];
	515	u32 out[MLX5_ST_SZ_DW(dealloc_encap_header_out)];
	516
	517	memset(in, 0, sizeof(in));
	518	MLX5_SET(dealloc_encap_header_in, in, opcode,
	519	MLX5_CMD_OP_DEALLOC_ENCAP_HEADER);
	520	MLX5_SET(dealloc_encap_header_in, in, encap_id, encap_id);
	521
	522	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
	523	}
2de24fed OG	524
	525	int mlx5_modify_header_alloc(struct mlx5_core_dev *dev,
	526	u8 namespace, u8 num_actions,
	527	void modify_actions, u32 modify_header_id)
	528	{
	529	u32 out[MLX5_ST_SZ_DW(alloc_modify_header_context_out)];
	530	int max_actions, actions_size, inlen, err;
	531	void *actions_in;
	532	u8 table_type;
	533	u32 *in;
	534
	535	switch (namespace) {
	536	case MLX5_FLOW_NAMESPACE_FDB:
	537	max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(dev, max_modify_header_actions);
	538	table_type = FS_FT_FDB;
	539	break;
	540	case MLX5_FLOW_NAMESPACE_KERNEL:
	541	max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(dev, max_modify_header_actions);
	542	table_type = FS_FT_NIC_RX;
	543	break;
	544	default:
	545	return -EOPNOTSUPP;
	546	}
	547
	548	if (num_actions > max_actions) {
	549	mlx5_core_warn(dev, "too many modify header actions %d, max supported %d\n",
	550	num_actions, max_actions);
	551	return -EOPNOTSUPP;
	552	}
	553
	554	actions_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) * num_actions;
	555	inlen = MLX5_ST_SZ_BYTES(alloc_modify_header_context_in) + actions_size;
	556
	557	in = kzalloc(inlen, GFP_KERNEL);
	558	if (!in)
	559	return -ENOMEM;
	560
	561	MLX5_SET(alloc_modify_header_context_in, in, opcode,
	562	MLX5_CMD_OP_ALLOC_MODIFY_HEADER_CONTEXT);
	563	MLX5_SET(alloc_modify_header_context_in, in, table_type, table_type);
	564	MLX5_SET(alloc_modify_header_context_in, in, num_of_actions, num_actions);
	565
	566	actions_in = MLX5_ADDR_OF(alloc_modify_header_context_in, in, actions);
	567	memcpy(actions_in, modify_actions, actions_size);
	568
	569	memset(out, 0, sizeof(out));
	570	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
	571
	572	*modify_header_id = MLX5_GET(alloc_modify_header_context_out, out, modify_header_id);
	573	kfree(in);
	574	return err;
	575	}
	576
	577	void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev, u32 modify_header_id)
	578	{
	579	u32 in[MLX5_ST_SZ_DW(dealloc_modify_header_context_in)];
	580	u32 out[MLX5_ST_SZ_DW(dealloc_modify_header_context_out)];
	581
	582	memset(in, 0, sizeof(in));
	583	MLX5_SET(dealloc_modify_header_context_in, in, opcode,
	584	MLX5_CMD_OP_DEALLOC_MODIFY_HEADER_CONTEXT);
	585	MLX5_SET(dealloc_modify_header_context_in, in, modify_header_id,
	586	modify_header_id);
	587
588	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
589	}