// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/*
* Copyright (c) 2018, Mellanox Technologies inc. All rights reserved.
*/
#include <rdma/ib_user_verbs.h>
#include <rdma/ib_verbs.h>
#include <rdma/uverbs_types.h>
#include <rdma/uverbs_ioctl.h>
#include <rdma/uverbs_std_types.h>
#include <rdma/mlx5_user_ioctl_cmds.h>
#include <rdma/mlx5_user_ioctl_verbs.h>
#include <rdma/ib_umem.h>
#include <linux/mlx5/driver.h>
#include <linux/mlx5/fs.h>
#include "mlx5_ib.h"
#define UVERBS_MODULE_NAME mlx5_ib
#include <rdma/uverbs_named_ioctl.h>
static int
mlx5_ib_ft_type_to_namespace(enum mlx5_ib_uapi_flow_table_type table_type,
enum mlx5_flow_namespace_type *namespace)
{
switch (table_type) {
case MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_RX:
*namespace = MLX5_FLOW_NAMESPACE_BYPASS;
break;
case MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX:
*namespace = MLX5_FLOW_NAMESPACE_EGRESS;
break;
default:
return -EINVAL;
}
return 0;
}
static const struct uverbs_attr_spec mlx5_ib_flow_type[] = {
[MLX5_IB_FLOW_TYPE_NORMAL] = {
.type = UVERBS_ATTR_TYPE_PTR_IN,
.u.ptr = {
.len = sizeof(u16), /* data is priority */
.min_len = sizeof(u16),
}
},
[MLX5_IB_FLOW_TYPE_SNIFFER] = {
.type = UVERBS_ATTR_TYPE_PTR_IN,
UVERBS_ATTR_NO_DATA(),
},
[MLX5_IB_FLOW_TYPE_ALL_DEFAULT] = {
.type = UVERBS_ATTR_TYPE_PTR_IN,
UVERBS_ATTR_NO_DATA(),
},
[MLX5_IB_FLOW_TYPE_MC_DEFAULT] = {
.type = UVERBS_ATTR_TYPE_PTR_IN,
UVERBS_ATTR_NO_DATA(),
},
};
#define MLX5_IB_CREATE_FLOW_MAX_FLOW_ACTIONS 2
static int UVERBS_HANDLER(MLX5_IB_METHOD_CREATE_FLOW)(
struct uverbs_attr_bundle *attrs)
{
struct mlx5_flow_act flow_act = {.flow_tag = MLX5_FS_DEFAULT_FLOW_TAG};
struct mlx5_ib_flow_handler *flow_handler;
struct mlx5_ib_flow_matcher *fs_matcher;
struct ib_uobject **arr_flow_actions;
struct ib_uflow_resources *uflow_res;
void *devx_obj;
int dest_id, dest_type;
void *cmd_in;
int inlen;
bool dest_devx, dest_qp;
struct ib_qp *qp = NULL;
struct ib_uobject *uobj =
uverbs_attr_get_uobject(attrs, MLX5_IB_ATTR_CREATE_FLOW_HANDLE);
struct mlx5_ib_dev *dev = to_mdev(uobj->context->device);
int len, ret, i;
u32 counter_id = 0;
if (!capable(CAP_NET_RAW))
return -EPERM;
dest_devx =
uverbs_attr_is_valid(attrs, MLX5_IB_ATTR_CREATE_FLOW_DEST_DEVX);
dest_qp = uverbs_attr_is_valid(attrs,
MLX5_IB_ATTR_CREATE_FLOW_DEST_QP);
fs_matcher = uverbs_attr_get_obj(attrs,
MLX5_IB_ATTR_CREATE_FLOW_MATCHER);
if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_BYPASS &&
((dest_devx && dest_qp) || (!dest_devx && !dest_qp)))
return -EINVAL;
if (dest_devx) {
devx_obj = uverbs_attr_get_obj(
attrs, MLX5_IB_ATTR_CREATE_FLOW_DEST_DEVX);
if (IS_ERR(devx_obj))
return PTR_ERR(devx_obj);
/* Verify that the given DEVX object is a flow
* steering destination.
*/
if (!mlx5_ib_devx_is_flow_dest(devx_obj, &dest_id, &dest_type))
return -EINVAL;
} else if (dest_qp) {
struct mlx5_ib_qp *mqp;
qp = uverbs_attr_get_obj(attrs,
MLX5_IB_ATTR_CREATE_FLOW_DEST_QP);
if (IS_ERR(qp))
return PTR_ERR(qp);
if (qp->qp_type != IB_QPT_RAW_PACKET)
return -EINVAL;
mqp = to_mqp(qp);
if (mqp->flags & MLX5_IB_QP_RSS)
dest_id = mqp->rss_qp.tirn;
else
dest_id = mqp->raw_packet_qp.rq.tirn;
dest_type = MLX5_FLOW_DESTINATION_TYPE_TIR;
} else {
dest_type = MLX5_FLOW_DESTINATION_TYPE_PORT;
}
len = uverbs_attr_get_uobjs_arr(attrs,
MLX5_IB_ATTR_CREATE_FLOW_ARR_COUNTERS_DEVX, &arr_flow_actions);
if (len) {
devx_obj = arr_flow_actions[0]->object;
if (!mlx5_ib_devx_is_flow_counter(devx_obj, &counter_id))
return -EINVAL;
flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_COUNT;
}
if (dest_type == MLX5_FLOW_DESTINATION_TYPE_TIR &&
fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_EGRESS)
return -EINVAL;
cmd_in = uverbs_attr_get_alloced_ptr(
attrs, MLX5_IB_ATTR_CREATE_FLOW_MATCH_VALUE);
inlen = uverbs_attr_get_len(attrs,
MLX5_IB_ATTR_CREATE_FLOW_MATCH_VALUE);
uflow_res = flow_resources_alloc(MLX5_IB_CREATE_FLOW_MAX_FLOW_ACTIONS);
if (!uflow_res)
return -ENOMEM;
len = uverbs_attr_get_uobjs_arr(attrs,
MLX5_IB_ATTR_CREATE_FLOW_ARR_FLOW_ACTIONS, &arr_flow_actions);
for (i = 0; i < len; i++) {
struct mlx5_ib_flow_action *maction =
to_mflow_act(arr_flow_actions[i]->object);
ret = parse_flow_flow_action(maction, false, &flow_act);
if (ret)
goto err_out;
flow_resources_add(uflow_res, IB_FLOW_SPEC_ACTION_HANDLE,
arr_flow_actions[i]->object);
}
ret = uverbs_copy_from(&flow_act.flow_tag, attrs,
MLX5_IB_ATTR_CREATE_FLOW_TAG);
if (!ret) {
if (flow_act.flow_tag >= BIT(24)) {
ret = -EINVAL;
goto err_out;
}
flow_act.flags |= FLOW_ACT_HAS_TAG;
}
flow_handler = mlx5_ib_raw_fs_rule_add(dev, fs_matcher, &flow_act,
counter_id,
cmd_in, inlen,
dest_id, dest_type);
if (IS_ERR(flow_handler)) {
ret = PTR_ERR(flow_handler);
goto err_out;
}
ib_set_flow(uobj, &flow_handler->ibflow, qp, &dev->ib_dev, uflow_res);
return 0;
err_out:
ib_uverbs_flow_resources_free(uflow_res);
return ret;
}
static int flow_matcher_cleanup(struct ib_uobject *uobject,
enum rdma_remove_reason why)
{
struct mlx5_ib_flow_matcher *obj = uobject->object;
int ret;
ret = ib_destroy_usecnt(&obj->usecnt, why, uobject);
if (ret)
return ret;
kfree(obj);
return 0;
}
static int UVERBS_HANDLER(MLX5_IB_METHOD_FLOW_MATCHER_CREATE)(
struct uverbs_attr_bundle *attrs)
{
struct ib_uobject *uobj = uverbs_attr_get_uobject(
attrs, MLX5_IB_ATTR_FLOW_MATCHER_CREATE_HANDLE);
struct mlx5_ib_dev *dev = to_mdev(uobj->context->device);
struct mlx5_ib_flow_matcher *obj;
u32 flags;
int err;
obj = kzalloc(sizeof(struct mlx5_ib_flow_matcher), GFP_KERNEL);
if (!obj)
return -ENOMEM;
obj->ns_type = MLX5_FLOW_NAMESPACE_BYPASS;
obj->mask_len = uverbs_attr_get_len(
attrs, MLX5_IB_ATTR_FLOW_MATCHER_MATCH_MASK);
err = uverbs_copy_from(&obj->matcher_mask,
attrs,
MLX5_IB_ATTR_FLOW_MATCHER_MATCH_MASK);
if (err)
goto end;
obj->flow_type = uverbs_attr_get_enum_id(
attrs, MLX5_IB_ATTR_FLOW_MATCHER_FLOW_TYPE);
if (obj->flow_type == MLX5_IB_FLOW_TYPE_NORMAL) {
err = uverbs_copy_from(&obj->priority,
attrs,
MLX5_IB_ATTR_FLOW_MATCHER_FLOW_TYPE);
if (err)
goto end;
}
err = uverbs_copy_from(&obj->match_criteria_enable,
attrs,
MLX5_IB_ATTR_FLOW_MATCHER_MATCH_CRITERIA);
if (err)
goto end;
err = uverbs_get_flags32(&flags, attrs,
MLX5_IB_ATTR_FLOW_MATCHER_FLOW_FLAGS,
IB_FLOW_ATTR_FLAGS_EGRESS);
if (err)
goto end;
if (flags) {
err = mlx5_ib_ft_type_to_namespace(
MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX, &obj->ns_type);
if (err)
goto end;
}
uobj->object = obj;
obj->mdev = dev->mdev;
atomic_set(&obj->usecnt, 0);
return 0;
end:
kfree(obj);
return err;
}
void mlx5_ib_destroy_flow_action_raw(struct mlx5_ib_flow_action *maction)
{
switch (maction->flow_action_raw.sub_type) {
case MLX5_IB_FLOW_ACTION_MODIFY_HEADER:
mlx5_modify_header_dealloc(maction->flow_action_raw.dev->mdev,
maction->flow_action_raw.action_id);
break;
case MLX5_IB_FLOW_ACTION_PACKET_REFORMAT:
mlx5_packet_reformat_dealloc(maction->flow_action_raw.dev->mdev,
maction->flow_action_raw.action_id);
break;
case MLX5_IB_FLOW_ACTION_DECAP:
break;
default:
break;
}
}
static struct ib_flow_action *
mlx5_ib_create_modify_header(struct mlx5_ib_dev *dev,
enum mlx5_ib_uapi_flow_table_type ft_type,
u8 num_actions, void *in)
{
enum mlx5_flow_namespace_type namespace;
struct mlx5_ib_flow_action *maction;
int ret;
ret = mlx5_ib_ft_type_to_namespace(ft_type, &namespace);
if (ret)
return ERR_PTR(-EINVAL);
maction = kzalloc(sizeof(*maction), GFP_KERNEL);
if (!maction)
return ERR_PTR(-ENOMEM);
ret = mlx5_modify_header_alloc(dev->mdev, namespace, num_actions, in,
&maction->flow_action_raw.action_id);
if (ret) {
kfree(maction);
return ERR_PTR(ret);
}
maction->flow_action_raw.sub_type =
MLX5_IB_FLOW_ACTION_MODIFY_HEADER;
maction->flow_action_raw.dev = dev;
return &maction->ib_action;
}
static bool mlx5_ib_modify_header_supported(struct mlx5_ib_dev *dev)
{
return MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev,
max_modify_header_actions) ||
MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, max_modify_header_actions);
}
static int UVERBS_HANDLER(MLX5_IB_METHOD_FLOW_ACTION_CREATE_MODIFY_HEADER)(
struct uverbs_attr_bundle *attrs)
{
struct ib_uobject *uobj = uverbs_attr_get_uobject(
attrs, MLX5_IB_ATTR_CREATE_MODIFY_HEADER_HANDLE);
struct mlx5_ib_dev *mdev = to_mdev(uobj->context->device);
enum mlx5_ib_uapi_flow_table_type ft_type;
struct ib_flow_action *action;
int num_actions;
void *in;
int ret;
if (!mlx5_ib_modify_header_supported(mdev))
return -EOPNOTSUPP;
in = uverbs_attr_get_alloced_ptr(attrs,
MLX5_IB_ATTR_CREATE_MODIFY_HEADER_ACTIONS_PRM);
num_actions = uverbs_attr_ptr_get_array_size(
attrs, MLX5_IB_ATTR_CREATE_MODIFY_HEADER_ACTIONS_PRM,
MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto));
if (num_actions < 0)
return num_actions;
ret = uverbs_get_const(&ft_type, attrs,
MLX5_IB_ATTR_CREATE_MODIFY_HEADER_FT_TYPE);
if (ret)
return ret;
action = mlx5_ib_create_modify_header(mdev, ft_type, num_actions, in);
if (IS_ERR(action))
return PTR_ERR(action);
uverbs_flow_action_fill_action(action, uobj, uobj->context->device,
IB_FLOW_ACTION_UNSPECIFIED);
return 0;
}
static bool mlx5_ib_flow_action_packet_reformat_valid(struct mlx5_ib_dev *ibdev,
u8 packet_reformat_type,
u8 ft_type)
{
switch (packet_reformat_type) {
case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L2_TUNNEL:
if (ft_type == MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX)
return MLX5_CAP_FLOWTABLE(ibdev->mdev,
encap_general_header);
break;
case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L3_TUNNEL:
if (ft_type == MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX)
return MLX5_CAP_FLOWTABLE_NIC_TX(ibdev->mdev,
reformat_l2_to_l3_tunnel);
break;
case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L3_TUNNEL_TO_L2:
if (ft_type == MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_RX)
return MLX5_CAP_FLOWTABLE_NIC_RX(ibdev->mdev,
reformat_l3_tunnel_to_l2);
break;
case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TUNNEL_TO_L2:
if (ft_type == MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_RX)
return MLX5_CAP_FLOWTABLE_NIC_RX(ibdev->mdev, decap);
break;
default:
break;
}
return false;
}
static int mlx5_ib_dv_to_prm_packet_reforamt_type(u8 dv_prt, u8 *prm_prt)
{
switch (dv_prt) {
case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L2_TUNNEL:
*prm_prt = MLX5_REFORMAT_TYPE_L2_TO_L2_TUNNEL;
break;
case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L3_TUNNEL_TO_L2:
*prm_prt = MLX5_REFORMAT_TYPE_L3_TUNNEL_TO_L2;
break;
case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L3_TUNNEL:
*prm_prt = MLX5_REFORMAT_TYPE_L2_TO_L3_TUNNEL;
break;
default:
return -EINVAL;
}
return 0;
}
static int mlx5_ib_flow_action_create_packet_reformat_ctx(
struct mlx5_ib_dev *dev,
struct mlx5_ib_flow_action *maction,
u8 ft_type, u8 dv_prt,
void *in, size_t len)
{
enum mlx5_flow_namespace_type namespace;
u8 prm_prt;
int ret;
ret = mlx5_ib_ft_type_to_namespace(ft_type, &namespace);
if (ret)
return ret;
ret = mlx5_ib_dv_to_prm_packet_reforamt_type(dv_prt, &prm_prt);
if (ret)
return ret;
ret = mlx5_packet_reformat_alloc(dev->mdev, prm_prt, len,
in, namespace,
&maction->flow_action_raw.action_id);
if (ret)
return ret;
maction->flow_action_raw.sub_type =
MLX5_IB_FLOW_ACTION_PACKET_REFORMAT;
maction->flow_action_raw.dev = dev;
return 0;
}
static int UVERBS_HANDLER(MLX5_IB_METHOD_FLOW_ACTION_CREATE_PACKET_REFORMAT)(
struct uverbs_attr_bundle *attrs)
{
struct ib_uobject *uobj = uverbs_attr_get_uobject(attrs,
MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_HANDLE);
struct mlx5_ib_dev *mdev = to_mdev(uobj->context->device);
enum mlx5_ib_uapi_flow_action_packet_reformat_type dv_prt;
enum mlx5_ib_uapi_flow_table_type ft_type;
struct mlx5_ib_flow_action *maction;
int ret;
ret = uverbs_get_const(&ft_type, attrs,
MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_FT_TYPE);
if (ret)
return ret;
ret = uverbs_get_const(&dv_prt, attrs,
MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_TYPE);
if (ret)
return ret;
if (!mlx5_ib_flow_action_packet_reformat_valid(mdev, dv_prt, ft_type))
return -EOPNOTSUPP;
maction = kzalloc(sizeof(*maction), GFP_KERNEL);
if (!maction)
return -ENOMEM;
if (dv_prt ==
MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TUNNEL_TO_L2) {
maction->flow_action_raw.sub_type =
MLX5_IB_FLOW_ACTION_DECAP;
maction->flow_action_raw.dev = mdev;
} else {
void *in;
int len;
in = uverbs_attr_get_alloced_ptr(attrs,
MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_DATA_BUF);
if (IS_ERR(in)) {
ret = PTR_ERR(in);
goto free_maction;
}
len = uverbs_attr_get_len(attrs,
MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_DATA_BUF);
ret = mlx5_ib_flow_action_create_packet_reformat_ctx(mdev,
maction, ft_type, dv_prt, in, len);
if (ret)
goto free_maction;
}
uverbs_flow_action_fill_action(&maction->ib_action, uobj,
uobj->context->device,
IB_FLOW_ACTION_UNSPECIFIED);
return 0;
free_maction:
kfree(maction);
return ret;
}
DECLARE_UVERBS_NAMED_METHOD(
MLX5_IB_METHOD_CREATE_FLOW,
UVERBS_ATTR_IDR(MLX5_IB_ATTR_CREATE_FLOW_HANDLE,
UVERBS_OBJECT_FLOW,
UVERBS_ACCESS_NEW,
UA_MANDATORY),
UVERBS_ATTR_PTR_IN(
MLX5_IB_ATTR_CREATE_FLOW_MATCH_VALUE,
UVERBS_ATTR_SIZE(1, sizeof(struct mlx5_ib_match_params)),
UA_MANDATORY,
UA_ALLOC_AND_COPY),
UVERBS_ATTR_IDR(MLX5_IB_ATTR_CREATE_FLOW_MATCHER,
MLX5_IB_OBJECT_FLOW_MATCHER,
UVERBS_ACCESS_READ,
UA_MANDATORY),
UVERBS_ATTR_IDR(MLX5_IB_ATTR_CREATE_FLOW_DEST_QP,
UVERBS_OBJECT_QP,
UVERBS_ACCESS_READ),
UVERBS_ATTR_IDR(MLX5_IB_ATTR_CREATE_FLOW_DEST_DEVX,
MLX5_IB_OBJECT_DEVX_OBJ,
UVERBS_ACCESS_READ),
UVERBS_ATTR_IDRS_ARR(MLX5_IB_ATTR_CREATE_FLOW_ARR_FLOW_ACTIONS,
UVERBS_OBJECT_FLOW_ACTION,
UVERBS_ACCESS_READ, 1,
MLX5_IB_CREATE_FLOW_MAX_FLOW_ACTIONS,
UA_OPTIONAL),
UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_CREATE_FLOW_TAG,
UVERBS_ATTR_TYPE(u32),
UA_OPTIONAL),
UVERBS_ATTR_IDRS_ARR(MLX5_IB_ATTR_CREATE_FLOW_ARR_COUNTERS_DEVX,
MLX5_IB_OBJECT_DEVX_OBJ,
UVERBS_ACCESS_READ, 1, 1,
UA_OPTIONAL));
DECLARE_UVERBS_NAMED_METHOD_DESTROY(
MLX5_IB_METHOD_DESTROY_FLOW,
UVERBS_ATTR_IDR(MLX5_IB_ATTR_CREATE_FLOW_HANDLE,
UVERBS_OBJECT_FLOW,
UVERBS_ACCESS_DESTROY,
UA_MANDATORY));
ADD_UVERBS_METHODS(mlx5_ib_fs,
UVERBS_OBJECT_FLOW,
&UVERBS_METHOD(MLX5_IB_METHOD_CREATE_FLOW),
&UVERBS_METHOD(MLX5_IB_METHOD_DESTROY_FLOW));
DECLARE_UVERBS_NAMED_METHOD(
MLX5_IB_METHOD_FLOW_ACTION_CREATE_MODIFY_HEADER,
UVERBS_ATTR_IDR(MLX5_IB_ATTR_CREATE_MODIFY_HEADER_HANDLE,
UVERBS_OBJECT_FLOW_ACTION,
UVERBS_ACCESS_NEW,
UA_MANDATORY),
UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_CREATE_MODIFY_HEADER_ACTIONS_PRM,
UVERBS_ATTR_MIN_SIZE(MLX5_UN_SZ_BYTES(
set_action_in_add_action_in_auto)),
UA_MANDATORY,
UA_ALLOC_AND_COPY),
UVERBS_ATTR_CONST_IN(MLX5_IB_ATTR_CREATE_MODIFY_HEADER_FT_TYPE,
enum mlx5_ib_uapi_flow_table_type,
UA_MANDATORY));
DECLARE_UVERBS_NAMED_METHOD(
MLX5_IB_METHOD_FLOW_ACTION_CREATE_PACKET_REFORMAT,
UVERBS_ATTR_IDR(MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_HANDLE,
UVERBS_OBJECT_FLOW_ACTION,
UVERBS_ACCESS_NEW,
UA_MANDATORY),
UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_DATA_BUF,
UVERBS_ATTR_MIN_SIZE(1),
UA_ALLOC_AND_COPY,
UA_OPTIONAL),
UVERBS_ATTR_CONST_IN(MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_TYPE,
enum mlx5_ib_uapi_flow_action_packet_reformat_type,
UA_MANDATORY),
UVERBS_ATTR_CONST_IN(MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_FT_TYPE,
enum mlx5_ib_uapi_flow_table_type,
UA_MANDATORY));
ADD_UVERBS_METHODS(
mlx5_ib_flow_actions,
UVERBS_OBJECT_FLOW_ACTION,
&UVERBS_METHOD(MLX5_IB_METHOD_FLOW_ACTION_CREATE_MODIFY_HEADER),
&UVERBS_METHOD(MLX5_IB_METHOD_FLOW_ACTION_CREATE_PACKET_REFORMAT));
DECLARE_UVERBS_NAMED_METHOD(
MLX5_IB_METHOD_FLOW_MATCHER_CREATE,
UVERBS_ATTR_IDR(MLX5_IB_ATTR_FLOW_MATCHER_CREATE_HANDLE,
MLX5_IB_OBJECT_FLOW_MATCHER,
UVERBS_ACCESS_NEW,
UA_MANDATORY),
UVERBS_ATTR_PTR_IN(
MLX5_IB_ATTR_FLOW_MATCHER_MATCH_MASK,
UVERBS_ATTR_SIZE(1, sizeof(struct mlx5_ib_match_params)),
UA_MANDATORY),
UVERBS_ATTR_ENUM_IN(MLX5_IB_ATTR_FLOW_MATCHER_FLOW_TYPE,
mlx5_ib_flow_type,
UA_MANDATORY),
UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_FLOW_MATCHER_MATCH_CRITERIA,
UVERBS_ATTR_TYPE(u8),
UA_MANDATORY),
UVERBS_ATTR_FLAGS_IN(MLX5_IB_ATTR_FLOW_MATCHER_FLOW_FLAGS,
enum ib_flow_flags,
UA_OPTIONAL));
DECLARE_UVERBS_NAMED_METHOD_DESTROY(
MLX5_IB_METHOD_FLOW_MATCHER_DESTROY,
UVERBS_ATTR_IDR(MLX5_IB_ATTR_FLOW_MATCHER_DESTROY_HANDLE,
MLX5_IB_OBJECT_FLOW_MATCHER,
UVERBS_ACCESS_DESTROY,
UA_MANDATORY));
DECLARE_UVERBS_NAMED_OBJECT(MLX5_IB_OBJECT_FLOW_MATCHER,
UVERBS_TYPE_ALLOC_IDR(flow_matcher_cleanup),
&UVERBS_METHOD(MLX5_IB_METHOD_FLOW_MATCHER_CREATE),
&UVERBS_METHOD(MLX5_IB_METHOD_FLOW_MATCHER_DESTROY));
static bool flow_is_supported(struct ib_device *device)
{
return !to_mdev(device)->rep;
}
const struct uapi_definition mlx5_ib_flow_defs[] = {
UAPI_DEF_CHAIN_OBJ_TREE_NAMED(
MLX5_IB_OBJECT_FLOW_MATCHER,
UAPI_DEF_IS_OBJ_SUPPORTED(flow_is_supported)),
UAPI_DEF_CHAIN_OBJ_TREE(
UVERBS_OBJECT_FLOW,
&mlx5_ib_fs),
UAPI_DEF_CHAIN_OBJ_TREE(UVERBS_OBJECT_FLOW_ACTION,
&mlx5_ib_flow_actions),
{},
};
