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/*
* Copyright (c) 2018 Mellanox Technologies, Ltd. 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 <infiniband/cmd_ioctl.h>
#include <rdma/ib_user_ioctl_cmds.h>
#include <infiniband/driver.h>
#include <infiniband/cmd_write.h>
static void scrub_esp_encap(struct ibv_flow_action_esp_encap *esp_encap)
{
scrub_ptr_attr(esp_encap->val_ptr);
scrub_ptr_attr(esp_encap->next_ptr);
}
static int copy_flow_action_esp(struct ibv_flow_action_esp_attr *esp,
struct ibv_command_buffer *cmd)
{
if (esp->comp_mask & IBV_FLOW_ACTION_ESP_MASK_ESN)
fill_attr_in(cmd, UVERBS_ATTR_FLOW_ACTION_ESP_ESN,
&esp->esn, sizeof(esp->esn));
if (esp->keymat_ptr)
fill_attr_in_enum(cmd, UVERBS_ATTR_FLOW_ACTION_ESP_KEYMAT,
esp->keymat_proto,
esp->keymat_ptr, esp->keymat_len);
if (esp->replay_ptr)
fill_attr_in_enum(cmd, UVERBS_ATTR_FLOW_ACTION_ESP_REPLAY,
esp->replay_proto,
esp->replay_ptr, esp->replay_len);
if (esp->esp_encap) {
scrub_esp_encap(esp->esp_encap);
fill_attr_in_ptr(cmd, UVERBS_ATTR_FLOW_ACTION_ESP_ENCAP,
esp->esp_encap);
}
if (esp->esp_attr)
fill_attr_in_ptr(cmd, UVERBS_ATTR_FLOW_ACTION_ESP_ATTRS,
esp->esp_attr);
return 0;
}
#define FLOW_ACTION_ESP_ATTRS_NUM 6
int ibv_cmd_create_flow_action_esp(struct ibv_context *ctx,
struct ibv_flow_action_esp_attr *attr,
struct verbs_flow_action *flow_action,
struct ibv_command_buffer *driver)
{
DECLARE_COMMAND_BUFFER_LINK(cmd, UVERBS_OBJECT_FLOW_ACTION,
UVERBS_METHOD_FLOW_ACTION_ESP_CREATE,
FLOW_ACTION_ESP_ATTRS_NUM,
driver);
struct ib_uverbs_attr *handle = fill_attr_out_obj(
cmd, UVERBS_ATTR_CREATE_FLOW_ACTION_ESP_HANDLE);
int ret;
ret = copy_flow_action_esp(attr, cmd);
if (ret)
return ret;
ret = execute_ioctl(ctx, cmd);
if (ret)
return errno;
flow_action->action.context = ctx;
flow_action->type = IBV_FLOW_ACTION_ESP;
flow_action->handle = read_attr_obj(
UVERBS_ATTR_CREATE_FLOW_ACTION_ESP_HANDLE, handle);
return 0;
}
int ibv_cmd_modify_flow_action_esp(struct verbs_flow_action *flow_action,
struct ibv_flow_action_esp_attr *attr,
struct ibv_command_buffer *driver)
{
DECLARE_COMMAND_BUFFER_LINK(cmd, UVERBS_OBJECT_FLOW_ACTION,
UVERBS_METHOD_FLOW_ACTION_ESP_MODIFY,
FLOW_ACTION_ESP_ATTRS_NUM, driver);
int ret;
fill_attr_in_obj(cmd, UVERBS_ATTR_MODIFY_FLOW_ACTION_ESP_HANDLE,
flow_action->handle);
ret = copy_flow_action_esp(attr, cmd);
if (ret)
return ret;
return execute_ioctl(flow_action->action.context, cmd);
}
int ibv_cmd_destroy_flow_action(struct verbs_flow_action *action)
{
DECLARE_COMMAND_BUFFER(cmd, UVERBS_OBJECT_FLOW_ACTION,
UVERBS_METHOD_FLOW_ACTION_DESTROY, 1);
int ret;
fill_attr_in_obj(cmd, UVERBS_ATTR_DESTROY_FLOW_ACTION_HANDLE,
action->handle);
ret = execute_ioctl(action->action.context, cmd);
if (verbs_is_destroy_err(&ret))
return ret;
return 0;
}
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