[mirror_ubuntu-bionic-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 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) &&
	    ft->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);
	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);
	}

	if ((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_IB) &&
	    ft->underlay_qpn != 0)
		MLX5_SET(set_flow_table_root_in, in, underlay_qpn, ft->underlay_qpn);

	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 = 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->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 MG	42	int mlx5_cmd_update_root_ft(struct mlx5_core_dev *dev,
	43	struct mlx5_flow_table *ft)
	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 ES	48	if ((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_IB) &&
	49	ft->underlay_qpn == 0)
	50	return 0;
	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);
efdc810b MHY	56	if (ft->vport) {
	57	MLX5_SET(set_flow_table_root_in, in, vport_number, ft->vport);
	58	MLX5_SET(set_flow_table_root_in, in, other_vport, 1);
	59	}
2cc43b49	60
b3ba5149 ES	61	if ((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_IB) &&
	62	ft->underlay_qpn != 0)
	63	MLX5_SET(set_flow_table_root_in, in, underlay_qpn, ft->underlay_qpn);
	64
c4f287c4	65	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
2cc43b49 MG	66	}
2cc43b49 MG	67
26a81453	68	int mlx5_cmd_create_flow_table(struct mlx5_core_dev *dev,
efdc810b	69	u16 vport,
aaff1bea	70	enum fs_flow_table_op_mod op_mod,
26a81453	71	enum fs_flow_table_type type, unsigned int level,
f90edfd2	72	unsigned int log_size, struct mlx5_flow_table
c9f1b073	73	next_ft, unsigned int table_id, u32 flags)
26a81453	74	{
c9f1b073	75	int en_encap_decap = !!(flags & MLX5_FLOW_TABLE_TUNNEL_EN);
c4f287c4 SM	76	u32 out[MLX5_ST_SZ_DW(create_flow_table_out)] = {0};
c4f287c4 SM	77	u32 in[MLX5_ST_SZ_DW(create_flow_table_in)] = {0};
26a81453 MG	78	int err;
26a81453 MG	79
26a81453 MG	80	MLX5_SET(create_flow_table_in, in, opcode,
	81	MLX5_CMD_OP_CREATE_FLOW_TABLE);
	82
	83	MLX5_SET(create_flow_table_in, in, table_type, type);
	84	MLX5_SET(create_flow_table_in, in, level, level);
	85	MLX5_SET(create_flow_table_in, in, log_size, log_size);
efdc810b MHY	86	if (vport) {
	87	MLX5_SET(create_flow_table_in, in, vport_number, vport);
	88	MLX5_SET(create_flow_table_in, in, other_vport, 1);
	89	}
26a81453	90
c9f1b073 HHZ	91	MLX5_SET(create_flow_table_in, in, decap_en, en_encap_decap);
	92	MLX5_SET(create_flow_table_in, in, encap_en, en_encap_decap);
	93
aaff1bea AH	94	switch (op_mod) {
	95	case FS_FT_OP_MOD_NORMAL:
	96	if (next_ft) {
	97	MLX5_SET(create_flow_table_in, in, table_miss_mode, 1);
	98	MLX5_SET(create_flow_table_in, in, table_miss_id, next_ft->id);
	99	}
	100	break;
	101
	102	case FS_FT_OP_MOD_LAG_DEMUX:
	103	MLX5_SET(create_flow_table_in, in, op_mod, 0x1);
	104	if (next_ft)
	105	MLX5_SET(create_flow_table_in, in, lag_master_next_table_id,
	106	next_ft->id);
	107	break;
	108	}
	109
c4f287c4	110	err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
26a81453 MG	111	if (!err)
	112	*table_id = MLX5_GET(create_flow_table_out, out,
	113	table_id);
	114	return err;
	115	}
	116
	117	int mlx5_cmd_destroy_flow_table(struct mlx5_core_dev *dev,
	118	struct mlx5_flow_table *ft)
	119	{
c4f287c4 SM	120	u32 in[MLX5_ST_SZ_DW(destroy_flow_table_in)] = {0};
c4f287c4 SM	121	u32 out[MLX5_ST_SZ_DW(destroy_flow_table_out)] = {0};
26a81453 MG	122
	123	MLX5_SET(destroy_flow_table_in, in, opcode,
	124	MLX5_CMD_OP_DESTROY_FLOW_TABLE);
	125	MLX5_SET(destroy_flow_table_in, in, table_type, ft->type);
	126	MLX5_SET(destroy_flow_table_in, in, table_id, ft->id);
efdc810b MHY	127	if (ft->vport) {
	128	MLX5_SET(destroy_flow_table_in, in, vport_number, ft->vport);
	129	MLX5_SET(destroy_flow_table_in, in, other_vport, 1);
	130	}
26a81453	131
c4f287c4	132	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
26a81453 MG	133	}
26a81453 MG	134
34a40e68 MG	135	int mlx5_cmd_modify_flow_table(struct mlx5_core_dev *dev,
	136	struct mlx5_flow_table *ft,
	137	struct mlx5_flow_table *next_ft)
	138	{
c4f287c4 SM	139	u32 in[MLX5_ST_SZ_DW(modify_flow_table_in)] = {0};
c4f287c4 SM	140	u32 out[MLX5_ST_SZ_DW(modify_flow_table_out)] = {0};
34a40e68 MG	141
	142	MLX5_SET(modify_flow_table_in, in, opcode,
	143	MLX5_CMD_OP_MODIFY_FLOW_TABLE);
	144	MLX5_SET(modify_flow_table_in, in, table_type, ft->type);
	145	MLX5_SET(modify_flow_table_in, in, table_id, ft->id);
aaff1bea AH	146
	147	if (ft->op_mod == FS_FT_OP_MOD_LAG_DEMUX) {
	148	MLX5_SET(modify_flow_table_in, in, modify_field_select,
	149	MLX5_MODIFY_FLOW_TABLE_LAG_NEXT_TABLE_ID);
	150	if (next_ft) {
	151	MLX5_SET(modify_flow_table_in, in,
	152	lag_master_next_table_id, next_ft->id);
	153	} else {
	154	MLX5_SET(modify_flow_table_in, in,
	155	lag_master_next_table_id, 0);
	156	}
34a40e68	157	} else {
aaff1bea AH	158	if (ft->vport) {
	159	MLX5_SET(modify_flow_table_in, in, vport_number,
	160	ft->vport);
	161	MLX5_SET(modify_flow_table_in, in, other_vport, 1);
	162	}
	163	MLX5_SET(modify_flow_table_in, in, modify_field_select,
	164	MLX5_MODIFY_FLOW_TABLE_MISS_TABLE_ID);
	165	if (next_ft) {
	166	MLX5_SET(modify_flow_table_in, in, table_miss_mode, 1);
	167	MLX5_SET(modify_flow_table_in, in, table_miss_id,
	168	next_ft->id);
	169	} else {
	170	MLX5_SET(modify_flow_table_in, in, table_miss_mode, 0);
	171	}
34a40e68 MG	172	}
34a40e68 MG	173
c4f287c4	174	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
34a40e68 MG	175	}
34a40e68 MG	176
26a81453 MG	177	int mlx5_cmd_create_flow_group(struct mlx5_core_dev *dev,
	178	struct mlx5_flow_table *ft,
	179	u32 *in,
	180	unsigned int *group_id)
	181	{
c4f287c4	182	u32 out[MLX5_ST_SZ_DW(create_flow_group_out)] = {0};
26a81453	183	int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
26a81453 MG	184	int err;
26a81453 MG	185
26a81453 MG	186	MLX5_SET(create_flow_group_in, in, opcode,
	187	MLX5_CMD_OP_CREATE_FLOW_GROUP);
	188	MLX5_SET(create_flow_group_in, in, table_type, ft->type);
	189	MLX5_SET(create_flow_group_in, in, table_id, ft->id);
efdc810b MHY	190	if (ft->vport) {
	191	MLX5_SET(create_flow_group_in, in, vport_number, ft->vport);
	192	MLX5_SET(create_flow_group_in, in, other_vport, 1);
	193	}
26a81453	194
c4f287c4	195	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
26a81453 MG	196	if (!err)
	197	*group_id = MLX5_GET(create_flow_group_out, out,
	198	group_id);
26a81453 MG	199	return err;
	200	}
	201
	202	int mlx5_cmd_destroy_flow_group(struct mlx5_core_dev *dev,
	203	struct mlx5_flow_table *ft,
	204	unsigned int group_id)
	205	{
c4f287c4 SM	206	u32 out[MLX5_ST_SZ_DW(destroy_flow_group_out)] = {0};
c4f287c4 SM	207	u32 in[MLX5_ST_SZ_DW(destroy_flow_group_in)] = {0};
26a81453 MG	208
	209	MLX5_SET(destroy_flow_group_in, in, opcode,
	210	MLX5_CMD_OP_DESTROY_FLOW_GROUP);
	211	MLX5_SET(destroy_flow_group_in, in, table_type, ft->type);
	212	MLX5_SET(destroy_flow_group_in, in, table_id, ft->id);
	213	MLX5_SET(destroy_flow_group_in, in, group_id, group_id);
efdc810b MHY	214	if (ft->vport) {
	215	MLX5_SET(destroy_flow_group_in, in, vport_number, ft->vport);
	216	MLX5_SET(destroy_flow_group_in, in, other_vport, 1);
	217	}
26a81453	218
c4f287c4	219	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
26a81453 MG	220	}
	221
	222	static int mlx5_cmd_set_fte(struct mlx5_core_dev *dev,
	223	int opmod, int modify_mask,
	224	struct mlx5_flow_table *ft,
	225	unsigned group_id,
	226	struct fs_fte *fte)
	227	{
	228	unsigned int inlen = MLX5_ST_SZ_BYTES(set_fte_in) +
	229	fte->dests_size * MLX5_ST_SZ_BYTES(dest_format_struct);
c4f287c4	230	u32 out[MLX5_ST_SZ_DW(set_fte_out)] = {0};
26a81453 MG	231	struct mlx5_flow_rule *dst;
	232	void *in_flow_context;
	233	void *in_match_value;
	234	void *in_dests;
	235	u32 *in;
	236	int err;
	237
1b9a07ee LR	238	in = kvzalloc(inlen, GFP_KERNEL);
1b9a07ee LR	239	if (!in)
26a81453	240	return -ENOMEM;
26a81453 MG	241
	242	MLX5_SET(set_fte_in, in, opcode, MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY);
	243	MLX5_SET(set_fte_in, in, op_mod, opmod);
	244	MLX5_SET(set_fte_in, in, modify_enable_mask, modify_mask);
	245	MLX5_SET(set_fte_in, in, table_type, ft->type);
	246	MLX5_SET(set_fte_in, in, table_id, ft->id);
	247	MLX5_SET(set_fte_in, in, flow_index, fte->index);
efdc810b MHY	248	if (ft->vport) {
	249	MLX5_SET(set_fte_in, in, vport_number, ft->vport);
	250	MLX5_SET(set_fte_in, in, other_vport, 1);
	251	}
26a81453 MG	252
	253	in_flow_context = MLX5_ADDR_OF(set_fte_in, in, flow_context);
	254	MLX5_SET(flow_context, in_flow_context, group_id, group_id);
	255	MLX5_SET(flow_context, in_flow_context, flow_tag, fte->flow_tag);
	256	MLX5_SET(flow_context, in_flow_context, action, fte->action);
66958ed9	257	MLX5_SET(flow_context, in_flow_context, encap_id, fte->encap_id);
2a69cb9f	258	MLX5_SET(flow_context, in_flow_context, modify_header_id, fte->modify_id);
26a81453 MG	259	in_match_value = MLX5_ADDR_OF(flow_context, in_flow_context,
	260	match_value);
	261	memcpy(in_match_value, &fte->val, MLX5_ST_SZ_BYTES(fte_match_param));
	262
bd5251db	263	in_dests = MLX5_ADDR_OF(flow_context, in_flow_context, destination);
60ab4584	264	if (fte->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
bd5251db AV	265	int list_size = 0;
bd5251db AV	266
60ab4584 AV	267	list_for_each_entry(dst, &fte->node.children, node.list) {
	268	unsigned int id;
	269
bd5251db AV	270	if (dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_COUNTER)
	271	continue;
	272
60ab4584 AV	273	MLX5_SET(dest_format_struct, in_dests, destination_type,
	274	dst->dest_attr.type);
	275	if (dst->dest_attr.type ==
	276	MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE) {
	277	id = dst->dest_attr.ft->id;
	278	} else {
	279	id = dst->dest_attr.tir_num;
	280	}
	281	MLX5_SET(dest_format_struct, in_dests, destination_id, id);
	282	in_dests += MLX5_ST_SZ_BYTES(dest_format_struct);
bd5251db AV	283	list_size++;
	284	}
	285
	286	MLX5_SET(flow_context, in_flow_context, destination_list_size,
	287	list_size);
	288	}
	289
	290	if (fte->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
	291	int list_size = 0;
	292
	293	list_for_each_entry(dst, &fte->node.children, node.list) {
	294	if (dst->dest_attr.type !=
	295	MLX5_FLOW_DESTINATION_TYPE_COUNTER)
	296	continue;
	297
	298	MLX5_SET(flow_counter_list, in_dests, flow_counter_id,
	299	dst->dest_attr.counter->id);
	300	in_dests += MLX5_ST_SZ_BYTES(dest_format_struct);
	301	list_size++;
60ab4584	302	}
bd5251db AV	303
	304	MLX5_SET(flow_context, in_flow_context, flow_counter_list_size,
	305	list_size);
26a81453	306	}
bd5251db	307
c4f287c4	308	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
26a81453	309	kvfree(in);
26a81453 MG	310	return err;
	311	}
	312
	313	int mlx5_cmd_create_fte(struct mlx5_core_dev *dev,
	314	struct mlx5_flow_table *ft,
	315	unsigned group_id,
	316	struct fs_fte *fte)
	317	{
c4f287c4	318	return mlx5_cmd_set_fte(dev, 0, 0, ft, group_id, fte);
26a81453 MG	319	}
	320
	321	int mlx5_cmd_update_fte(struct mlx5_core_dev *dev,
	322	struct mlx5_flow_table *ft,
	323	unsigned group_id,
bd5251db	324	int modify_mask,
26a81453 MG	325	struct fs_fte *fte)
	326	{
	327	int opmod;
26a81453 MG	328	int atomic_mod_cap = MLX5_CAP_FLOWTABLE(dev,
	329	flow_table_properties_nic_receive.
	330	flow_modify_en);
	331	if (!atomic_mod_cap)
9eb78923	332	return -EOPNOTSUPP;
26a81453	333	opmod = 1;
26a81453 MG	334
	335	return mlx5_cmd_set_fte(dev, opmod, modify_mask, ft, group_id, fte);
	336	}
	337
	338	int mlx5_cmd_delete_fte(struct mlx5_core_dev *dev,
	339	struct mlx5_flow_table *ft,
	340	unsigned int index)
	341	{
c4f287c4 SM	342	u32 out[MLX5_ST_SZ_DW(delete_fte_out)] = {0};
c4f287c4 SM	343	u32 in[MLX5_ST_SZ_DW(delete_fte_in)] = {0};
26a81453 MG	344
	345	MLX5_SET(delete_fte_in, in, opcode, MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY);
	346	MLX5_SET(delete_fte_in, in, table_type, ft->type);
	347	MLX5_SET(delete_fte_in, in, table_id, ft->id);
	348	MLX5_SET(delete_fte_in, in, flow_index, index);
efdc810b MHY	349	if (ft->vport) {
	350	MLX5_SET(delete_fte_in, in, vport_number, ft->vport);
	351	MLX5_SET(delete_fte_in, in, other_vport, 1);
	352	}
26a81453	353
c4f287c4	354	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
26a81453	355	}
9dc0b289 AV	356
	357	int mlx5_cmd_fc_alloc(struct mlx5_core_dev dev, u16 id)
	358	{
c4f287c4 SM	359	u32 in[MLX5_ST_SZ_DW(alloc_flow_counter_in)] = {0};
c4f287c4 SM	360	u32 out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {0};
9dc0b289 AV	361	int err;
9dc0b289 AV	362
9dc0b289 AV	363	MLX5_SET(alloc_flow_counter_in, in, opcode,
	364	MLX5_CMD_OP_ALLOC_FLOW_COUNTER);
	365
c4f287c4 SM	366	err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
	367	if (!err)
	368	*id = MLX5_GET(alloc_flow_counter_out, out, flow_counter_id);
	369	return err;
9dc0b289 AV	370	}
	371
	372	int mlx5_cmd_fc_free(struct mlx5_core_dev *dev, u16 id)
	373	{
c4f287c4 SM	374	u32 in[MLX5_ST_SZ_DW(dealloc_flow_counter_in)] = {0};
c4f287c4 SM	375	u32 out[MLX5_ST_SZ_DW(dealloc_flow_counter_out)] = {0};
9dc0b289 AV	376
	377	MLX5_SET(dealloc_flow_counter_in, in, opcode,
	378	MLX5_CMD_OP_DEALLOC_FLOW_COUNTER);
	379	MLX5_SET(dealloc_flow_counter_in, in, flow_counter_id, id);
c4f287c4	380	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
9dc0b289 AV	381	}
	382
	383	int mlx5_cmd_fc_query(struct mlx5_core_dev *dev, u16 id,
	384	u64 packets, u64 bytes)
	385	{
	386	u32 out[MLX5_ST_SZ_BYTES(query_flow_counter_out) +
c4f287c4 SM	387	MLX5_ST_SZ_BYTES(traffic_counter)] = {0};
c4f287c4 SM	388	u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0};
9dc0b289 AV	389	void *stats;
	390	int err = 0;
	391
9dc0b289 AV	392	MLX5_SET(query_flow_counter_in, in, opcode,
	393	MLX5_CMD_OP_QUERY_FLOW_COUNTER);
	394	MLX5_SET(query_flow_counter_in, in, op_mod, 0);
	395	MLX5_SET(query_flow_counter_in, in, flow_counter_id, id);
c4f287c4	396	err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
9dc0b289 AV	397	if (err)
	398	return err;
	399
	400	stats = MLX5_ADDR_OF(query_flow_counter_out, out, flow_statistics);
	401	*packets = MLX5_GET64(traffic_counter, stats, packets);
	402	*bytes = MLX5_GET64(traffic_counter, stats, octets);
9dc0b289 AV	403	return 0;
9dc0b289 AV	404	}
a351a1b0 AV	405
	406	struct mlx5_cmd_fc_bulk {
	407	u16 id;
	408	int num;
	409	int outlen;
	410	u32 out[0];
	411	};
	412
	413	struct mlx5_cmd_fc_bulk *
	414	mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev, u16 id, int num)
	415	{
	416	struct mlx5_cmd_fc_bulk *b;
babd6134	417	int outlen =
a351a1b0 AV	418	MLX5_ST_SZ_BYTES(query_flow_counter_out) +
	419	MLX5_ST_SZ_BYTES(traffic_counter) * num;
	420
babd6134	421	b = kzalloc(sizeof(*b) + outlen, GFP_KERNEL);
a351a1b0 AV	422	if (!b)
	423	return NULL;
	424
	425	b->id = id;
	426	b->num = num;
	427	b->outlen = outlen;
	428
	429	return b;
	430	}
	431
	432	void mlx5_cmd_fc_bulk_free(struct mlx5_cmd_fc_bulk *b)
	433	{
	434	kfree(b);
	435	}
	436
	437	int
	438	mlx5_cmd_fc_bulk_query(struct mlx5_core_dev dev, struct mlx5_cmd_fc_bulk b)
	439	{
c4f287c4	440	u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0};
a351a1b0 AV	441
	442	MLX5_SET(query_flow_counter_in, in, opcode,
	443	MLX5_CMD_OP_QUERY_FLOW_COUNTER);
	444	MLX5_SET(query_flow_counter_in, in, op_mod, 0);
	445	MLX5_SET(query_flow_counter_in, in, flow_counter_id, b->id);
	446	MLX5_SET(query_flow_counter_in, in, num_of_counters, b->num);
c4f287c4	447	return mlx5_cmd_exec(dev, in, sizeof(in), b->out, b->outlen);
a351a1b0 AV	448	}
	449
	450	void mlx5_cmd_fc_bulk_get(struct mlx5_core_dev *dev,
	451	struct mlx5_cmd_fc_bulk *b, u16 id,
	452	u64 packets, u64 bytes)
	453	{
	454	int index = id - b->id;
	455	void *stats;
	456
	457	if (index < 0 \|\| index >= b->num) {
	458	mlx5_core_warn(dev, "Flow counter id (0x%x) out of range (0x%x..0x%x). Counter ignored.\n",
	459	id, b->id, b->id + b->num - 1);
	460	return;
	461	}
	462
	463	stats = MLX5_ADDR_OF(query_flow_counter_out, b->out,
	464	flow_statistics[index]);
	465	*packets = MLX5_GET64(traffic_counter, stats, packets);
	466	*bytes = MLX5_GET64(traffic_counter, stats, octets);
	467	}
575ddf58	468
ae9f83ac HHZ	469	int mlx5_encap_alloc(struct mlx5_core_dev *dev,
	470	int header_type,
	471	size_t size,
	472	void *encap_header,
	473	u32 *encap_id)
575ddf58	474	{
43f93839	475	int max_encap_size = MLX5_CAP_ESW(dev, max_encap_header_size);
575ddf58	476	u32 out[MLX5_ST_SZ_DW(alloc_encap_header_out)];
43f93839 HHZ	477	void *encap_header_in;
	478	void *header;
	479	int inlen;
575ddf58	480	int err;
43f93839	481	u32 *in;
575ddf58	482
073ff3c8 OG	483	if (size > max_encap_size) {
	484	mlx5_core_warn(dev, "encap size %zd too big, max supported is %d\n",
	485	size, max_encap_size);
575ddf58	486	return -EINVAL;
073ff3c8	487	}
575ddf58	488
073ff3c8	489	in = kzalloc(MLX5_ST_SZ_BYTES(alloc_encap_header_in) + size,
43f93839 HHZ	490	GFP_KERNEL);
	491	if (!in)
	492	return -ENOMEM;
	493
	494	encap_header_in = MLX5_ADDR_OF(alloc_encap_header_in, in, encap_header);
	495	header = MLX5_ADDR_OF(encap_header_in, encap_header_in, encap_header);
	496	inlen = header - (void *)in + size;
	497
575ddf58 IL	498	memset(in, 0, inlen);
	499	MLX5_SET(alloc_encap_header_in, in, opcode,
	500	MLX5_CMD_OP_ALLOC_ENCAP_HEADER);
	501	MLX5_SET(encap_header_in, encap_header_in, encap_header_size, size);
	502	MLX5_SET(encap_header_in, encap_header_in, header_type, header_type);
	503	memcpy(header, encap_header, size);
	504
	505	memset(out, 0, sizeof(out));
	506	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
	507
	508	*encap_id = MLX5_GET(alloc_encap_header_out, out, encap_id);
43f93839	509	kfree(in);
575ddf58 IL	510	return err;
	511	}
	512
ae9f83ac	513	void mlx5_encap_dealloc(struct mlx5_core_dev *dev, u32 encap_id)
575ddf58 IL	514	{
	515	u32 in[MLX5_ST_SZ_DW(dealloc_encap_header_in)];
	516	u32 out[MLX5_ST_SZ_DW(dealloc_encap_header_out)];
	517
	518	memset(in, 0, sizeof(in));
	519	MLX5_SET(dealloc_encap_header_in, in, opcode,
	520	MLX5_CMD_OP_DEALLOC_ENCAP_HEADER);
	521	MLX5_SET(dealloc_encap_header_in, in, encap_id, encap_id);
	522
	523	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
	524	}
2de24fed OG	525
	526	int mlx5_modify_header_alloc(struct mlx5_core_dev *dev,
	527	u8 namespace, u8 num_actions,
	528	void modify_actions, u32 modify_header_id)
	529	{
	530	u32 out[MLX5_ST_SZ_DW(alloc_modify_header_context_out)];
	531	int max_actions, actions_size, inlen, err;
	532	void *actions_in;
	533	u8 table_type;
	534	u32 *in;
	535
	536	switch (namespace) {
	537	case MLX5_FLOW_NAMESPACE_FDB:
	538	max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(dev, max_modify_header_actions);
	539	table_type = FS_FT_FDB;
	540	break;
	541	case MLX5_FLOW_NAMESPACE_KERNEL:
	542	max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(dev, max_modify_header_actions);
	543	table_type = FS_FT_NIC_RX;
	544	break;
	545	default:
	546	return -EOPNOTSUPP;
	547	}
	548
	549	if (num_actions > max_actions) {
	550	mlx5_core_warn(dev, "too many modify header actions %d, max supported %d\n",
	551	num_actions, max_actions);
	552	return -EOPNOTSUPP;
	553	}
	554
	555	actions_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) * num_actions;
	556	inlen = MLX5_ST_SZ_BYTES(alloc_modify_header_context_in) + actions_size;
	557
	558	in = kzalloc(inlen, GFP_KERNEL);
	559	if (!in)
	560	return -ENOMEM;
	561
	562	MLX5_SET(alloc_modify_header_context_in, in, opcode,
	563	MLX5_CMD_OP_ALLOC_MODIFY_HEADER_CONTEXT);
	564	MLX5_SET(alloc_modify_header_context_in, in, table_type, table_type);
	565	MLX5_SET(alloc_modify_header_context_in, in, num_of_actions, num_actions);
	566
	567	actions_in = MLX5_ADDR_OF(alloc_modify_header_context_in, in, actions);
	568	memcpy(actions_in, modify_actions, actions_size);
	569
	570	memset(out, 0, sizeof(out));
	571	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
	572
	573	*modify_header_id = MLX5_GET(alloc_modify_header_context_out, out, modify_header_id);
	574	kfree(in);
	575	return err;
	576	}
	577
	578	void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev, u32 modify_header_id)
	579	{
	580	u32 in[MLX5_ST_SZ_DW(dealloc_modify_header_context_in)];
	581	u32 out[MLX5_ST_SZ_DW(dealloc_modify_header_context_out)];
	582
	583	memset(in, 0, sizeof(in));
	584	MLX5_SET(dealloc_modify_header_context_in, in, opcode,
	585	MLX5_CMD_OP_DEALLOC_MODIFY_HEADER_CONTEXT);
	586	MLX5_SET(dealloc_modify_header_context_in, in, modify_header_id,
	587	modify_header_id);
	588
589	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
590	}