From 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Fri, 25 Mar 2016 03:53:42 -0300 Subject: Linux-libre 4.5-gnu --- drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c | 289 +++++++++++++++++++++++ 1 file changed, 289 insertions(+) create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c (limited to 'drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c') diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c new file mode 100644 index 000000000..a9894d2e8 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c @@ -0,0 +1,289 @@ +/* + * 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 +#include +#include + +#include "fs_core.h" +#include "fs_cmd.h" +#include "mlx5_core.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)]; + u32 out[MLX5_ST_SZ_DW(set_flow_table_root_out)]; + + memset(in, 0, sizeof(in)); + + 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); + + memset(out, 0, sizeof(out)); + return mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, + sizeof(out)); +} + +int mlx5_cmd_create_flow_table(struct mlx5_core_dev *dev, + enum fs_flow_table_type type, unsigned int level, + unsigned int log_size, struct mlx5_flow_table + *next_ft, unsigned int *table_id) +{ + u32 out[MLX5_ST_SZ_DW(create_flow_table_out)]; + u32 in[MLX5_ST_SZ_DW(create_flow_table_in)]; + int err; + + memset(in, 0, sizeof(in)); + + MLX5_SET(create_flow_table_in, in, opcode, + MLX5_CMD_OP_CREATE_FLOW_TABLE); + + 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); + } + 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); + + memset(out, 0, sizeof(out)); + err = mlx5_cmd_exec_check_status(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)]; + u32 out[MLX5_ST_SZ_DW(destroy_flow_table_out)]; + + memset(in, 0, sizeof(in)); + memset(out, 0, sizeof(out)); + + 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); + + return mlx5_cmd_exec_check_status(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)]; + u32 out[MLX5_ST_SZ_DW(modify_flow_table_out)]; + + memset(in, 0, sizeof(in)); + memset(out, 0, sizeof(out)); + + 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); + 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_check_status(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) +{ + int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); + u32 out[MLX5_ST_SZ_DW(create_flow_group_out)]; + int err; + + memset(out, 0, sizeof(out)); + + 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); + + err = mlx5_cmd_exec_check_status(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)]; + u32 in[MLX5_ST_SZ_DW(destroy_flow_group_in)]; + + memset(in, 0, sizeof(in)); + memset(out, 0, sizeof(out)); + + 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); + + return mlx5_cmd_exec_check_status(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)]; + 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); + + 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, destination_list_size, + fte->dests_size); + 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); + list_for_each_entry(dst, &fte->node.children, node.list) { + unsigned int id; + + 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); + } + memset(out, 0, sizeof(out)); + err = mlx5_cmd_exec_check_status(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, + struct fs_fte *fte) +{ + int opmod; + int modify_mask; + int atomic_mod_cap = MLX5_CAP_FLOWTABLE(dev, + flow_table_properties_nic_receive. + flow_modify_en); + if (!atomic_mod_cap) + return -ENOTSUPP; + opmod = 1; + modify_mask = 1 << + MLX5_SET_FTE_MODIFY_ENABLE_MASK_DESTINATION_LIST; + + 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)]; + u32 in[MLX5_ST_SZ_DW(delete_fte_in)]; + int err; + + memset(in, 0, sizeof(in)); + memset(out, 0, sizeof(out)); + + 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); + + err = mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, sizeof(out)); + + return err; +} -- cgit v1.2.3