// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/* Copyright (c) 2024 NVIDIA Corporation & Affiliates */
#include "mlx5hws_internal.h"
#define MLX5HWS_ACTION_METER_INIT_COLOR_OFFSET 1
/* Header removal size limited to 128B (64 words) */
#define MLX5HWS_ACTION_REMOVE_HEADER_MAX_SIZE 128
/* This is the longest supported action sequence for FDB table:
* DECAP, POP_VLAN, MODIFY, CTR, ASO, PUSH_VLAN, MODIFY, ENCAP, Term.
*/
static const u32 action_order_arr[MLX5HWS_TABLE_TYPE_MAX][MLX5HWS_ACTION_TYP_MAX] = {
[MLX5HWS_TABLE_TYPE_FDB] = {
BIT(MLX5HWS_ACTION_TYP_REMOVE_HEADER) |
BIT(MLX5HWS_ACTION_TYP_REFORMAT_TNL_L2_TO_L2) |
BIT(MLX5HWS_ACTION_TYP_REFORMAT_TNL_L3_TO_L2),
BIT(MLX5HWS_ACTION_TYP_POP_VLAN),
BIT(MLX5HWS_ACTION_TYP_POP_VLAN),
BIT(MLX5HWS_ACTION_TYP_MODIFY_HDR),
BIT(MLX5HWS_ACTION_TYP_PUSH_VLAN),
BIT(MLX5HWS_ACTION_TYP_PUSH_VLAN),
BIT(MLX5HWS_ACTION_TYP_INSERT_HEADER) |
BIT(MLX5HWS_ACTION_TYP_REFORMAT_L2_TO_TNL_L2) |
BIT(MLX5HWS_ACTION_TYP_REFORMAT_L2_TO_TNL_L3),
BIT(MLX5HWS_ACTION_TYP_CTR),
BIT(MLX5HWS_ACTION_TYP_TAG),
BIT(MLX5HWS_ACTION_TYP_ASO_METER),
BIT(MLX5HWS_ACTION_TYP_MODIFY_HDR),
BIT(MLX5HWS_ACTION_TYP_TBL) |
BIT(MLX5HWS_ACTION_TYP_VPORT) |
BIT(MLX5HWS_ACTION_TYP_DROP) |
BIT(MLX5HWS_ACTION_TYP_SAMPLER) |
BIT(MLX5HWS_ACTION_TYP_RANGE) |
BIT(MLX5HWS_ACTION_TYP_DEST_ARRAY),
BIT(MLX5HWS_ACTION_TYP_LAST),
},
};
static const char * const mlx5hws_action_type_str[] = {
[MLX5HWS_ACTION_TYP_LAST] = "LAST",
[MLX5HWS_ACTION_TYP_REFORMAT_TNL_L2_TO_L2] = "TNL_L2_TO_L2",
[MLX5HWS_ACTION_TYP_REFORMAT_L2_TO_TNL_L2] = "L2_TO_TNL_L2",
[MLX5HWS_ACTION_TYP_REFORMAT_TNL_L3_TO_L2] = "TNL_L3_TO_L2",
[MLX5HWS_ACTION_TYP_REFORMAT_L2_TO_TNL_L3] = "L2_TO_TNL_L3",
[MLX5HWS_ACTION_TYP_DROP] = "DROP",
[MLX5HWS_ACTION_TYP_TBL] = "TBL",
[MLX5HWS_ACTION_TYP_CTR] = "CTR",
[MLX5HWS_ACTION_TYP_TAG] = "TAG",
[MLX5HWS_ACTION_TYP_MODIFY_HDR] = "MODIFY_HDR",
[MLX5HWS_ACTION_TYP_VPORT] = "VPORT",
[MLX5HWS_ACTION_TYP_MISS] = "DEFAULT_MISS",
[MLX5HWS_ACTION_TYP_POP_VLAN] = "POP_VLAN",
[MLX5HWS_ACTION_TYP_PUSH_VLAN] = "PUSH_VLAN",
[MLX5HWS_ACTION_TYP_ASO_METER] = "ASO_METER",
[MLX5HWS_ACTION_TYP_DEST_ARRAY] = "DEST_ARRAY",
[MLX5HWS_ACTION_TYP_INSERT_HEADER] = "INSERT_HEADER",
[MLX5HWS_ACTION_TYP_REMOVE_HEADER] = "REMOVE_HEADER",
[MLX5HWS_ACTION_TYP_SAMPLER] = "SAMPLER",
[MLX5HWS_ACTION_TYP_RANGE] = "RANGE",
};
static_assert(ARRAY_SIZE(mlx5hws_action_type_str) == MLX5HWS_ACTION_TYP_MAX,
"Missing mlx5hws_action_type_str");
const char *mlx5hws_action_type_to_str(enum mlx5hws_action_type action_type)
{
return mlx5hws_action_type_str[action_type];
}
enum mlx5hws_action_type mlx5hws_action_get_type(struct mlx5hws_action *action)
{
return action->type;
}
static int hws_action_get_shared_stc_nic(struct mlx5hws_context *ctx,
enum mlx5hws_context_shared_stc_type stc_type,
u8 tbl_type)
{
struct mlx5hws_cmd_stc_modify_attr stc_attr = {0};
struct mlx5hws_action_shared_stc *shared_stc;
int ret;
mutex_lock(&ctx->ctrl_lock);
if (ctx->common_res[tbl_type].shared_stc[stc_type]) {
ctx->common_res[tbl_type].shared_stc[stc_type]->refcount++;
mutex_unlock(&ctx->ctrl_lock);
return 0;
}
shared_stc = kzalloc(sizeof(*shared_stc), GFP_KERNEL);
if (!shared_stc) {
ret = -ENOMEM;
goto unlock_and_out;
}
switch (stc_type) {
case MLX5HWS_CONTEXT_SHARED_STC_DECAP_L3:
stc_attr.action_type = MLX5_IFC_STC_ACTION_TYPE_HEADER_REMOVE;
stc_attr.action_offset = MLX5HWS_ACTION_OFFSET_DW5;
stc_attr.reparse_mode = MLX5_IFC_STC_REPARSE_IGNORE;
stc_attr.remove_header.decap = 0;
stc_attr.remove_header.start_anchor = MLX5_HEADER_ANCHOR_PACKET_START;
stc_attr.remove_header.end_anchor = MLX5_HEADER_ANCHOR_IPV6_IPV4;
break;
case MLX5HWS_CONTEXT_SHARED_STC_DOUBLE_POP:
stc_attr.action_type = MLX5_IFC_STC_ACTION_TYPE_REMOVE_WORDS;
stc_attr.action_offset = MLX5HWS_ACTION_OFFSET_DW5;
stc_attr.reparse_mode = MLX5_IFC_STC_REPARSE_ALWAYS;
stc_attr.remove_words.start_anchor = MLX5_HEADER_ANCHOR_FIRST_VLAN_START;
stc_attr.remove_words.num_of_words = MLX5HWS_ACTION_HDR_LEN_L2_VLAN;
break;
default:
mlx5hws_err(ctx, "No such stc_type: %d\n", stc_type);
pr_warn("HWS: Invalid stc_type: %d\n", stc_type);
ret = -EINVAL;
goto unlock_and_out;
}
ret = mlx5hws_action_alloc_single_stc(ctx, &stc_attr, tbl_type,
&shared_stc->stc_chunk);
if (ret) {
mlx5hws_err(ctx, "Failed to allocate shared decap l2 STC\n");
goto free_shared_stc;
}
ctx->common_res[tbl_type].shared_stc[stc_type] = shared_stc;
ctx->common_res[tbl_type].shared_stc[stc_type]->refcount = 1;
mutex_unlock(&ctx->ctrl_lock);
return 0;
free_shared_stc:
kfree(shared_stc);
unlock_and_out:
mutex_unlock(&ctx->ctrl_lock);
return ret;
}
static int hws_action_get_shared_stc(struct mlx5hws_action *action,
enum mlx5hws_context_shared_stc_type stc_type)
{
struct mlx5hws_context *ctx = action->ctx;
int ret;
if (stc_type >= MLX5HWS_CONTEXT_SHARED_STC_MAX) {
pr_warn("HWS: Invalid shared stc_type: %d\n", stc_type);
return -EINVAL;
}
if (unlikely(!(action->flags & MLX5HWS_ACTION_FLAG_HWS_FDB))) {
pr_warn("HWS: Invalid action->flags: %d\n", action->flags);
return -EINVAL;
}
ret = hws_action_get_shared_stc_nic(ctx, stc_type, MLX5HWS_TABLE_TYPE_FDB);
if (ret) {
mlx5hws_err(ctx,
"Failed to allocate memory for FDB shared STCs (type: %d)\n",
stc_type);
return ret;
}
return 0;
}
static void hws_action_put_shared_stc(struct mlx5hws_action *action,
enum mlx5hws_context_shared_stc_type stc_type)
{
enum mlx5hws_table_type tbl_type = MLX5HWS_TABLE_TYPE_FDB;
struct mlx5hws_action_shared_stc *shared_stc;
struct mlx5hws_context *ctx = action->ctx;
if (stc_type >= MLX5HWS_CONTEXT_SHARED_STC_MAX) {
pr_warn("HWS: Invalid shared stc_type: %d\n", stc_type);
return;
}
mutex_lock(&ctx->ctrl_lock);
if (--ctx->common_res[tbl_type].shared_stc[stc_type]->refcount) {
mutex_unlock(&ctx->ctrl_lock);
return;
}
shared_stc = ctx->common_res[tbl_type].shared_stc[stc_type];
mlx5hws_action_free_single_stc(ctx, tbl_type, &shared_stc->stc_chunk);
kfree(shared_stc);
ctx->common_res[tbl_type].shared_stc[stc_type] = NULL;
mutex_unlock(&ctx->ctrl_lock);
}
static void hws_action_print_combo(struct mlx5hws_context *ctx,
enum mlx5hws_action_type *user_actions)
{
mlx5hws_err(ctx, "Invalid action_type sequence");
while (*user_actions != MLX5HWS_ACTION_TYP_LAST) {
mlx5hws_err(ctx, " %s", mlx5hws_action_type_to_str(*user_actions));
user_actions++;
}
mlx5hws_err(ctx, "\n");
}
bool mlx5hws_action_check_combo(struct mlx5hws_context *ctx,
enum mlx5hws_action_type *user_actions,
enum mlx5hws_table_type table_type)
{
const u32 *order_arr = action_order_arr[table_type];
u8 order_idx = 0;
u8 user_idx = 0;
bool valid_combo;
if (table_type >= MLX5HWS_TABLE_TYPE_MAX) {
mlx5hws_err(ctx, "Invalid table_type %d", table_type);
return false;
}
while (order_arr[order_idx] != BIT(MLX5HWS_ACTION_TYP_LAST)) {
/* User action order validated move to next user action */
if (BIT(user_actions[user_idx]) & order_arr[order_idx])
user_idx++;
/* Iterate to the next supported action in the order */
order_idx++;
}
/* Combination is valid if all user action were processed */
valid_combo = user_actions[user_idx] == MLX5HWS_ACTION_TYP_LAST;
if (!valid_combo)
hws_action_print_combo(ctx, user_actions);
return valid_combo;
}
static bool
hws_action_fixup_stc_attr(struct mlx5hws_context *ctx,
struct mlx5hws_cmd_stc_modify_attr *stc_attr,
struct mlx5hws_cmd_stc_modify_attr *fixup_stc_attr,
enum mlx5hws_table_type table_type,
bool is_mirror)
{
bool use_fixup = false;
u32 fw_tbl_type;
u32 base_id;
fw_tbl_type = mlx5hws_table_get_res_fw_ft_type(table_type, is_mirror);
switch (stc_attr->action_type) {
case MLX5_IFC_STC_ACTION_TYPE_JUMP_TO_STE_TABLE:
if (is_mirror && stc_attr->ste_table.ignore_tx) {
fixup_stc_attr->action_type = MLX5_IFC_STC_ACTION_TYPE_DROP;
fixup_stc_attr->action_offset = MLX5HWS_ACTION_OFFSET_HIT;
fixup_stc_attr->stc_offset = stc_attr->stc_offset;
use_fixup = true;
break;
}
if (!is_mirror)
base_id = mlx5hws_pool_chunk_get_base_id(stc_attr->ste_table.ste_pool,
&stc_attr->ste_table.ste);
else
base_id =
mlx5hws_pool_chunk_get_base_mirror_id(stc_attr->ste_table.ste_pool,
&stc_attr->ste_table.ste);
*fixup_stc_attr = *stc_attr;
fixup_stc_attr->ste_table.ste_obj_id = base_id;
use_fixup = true;
break;
case MLX5_IFC_STC_ACTION_TYPE_TAG:
if (fw_tbl_type == FS_FT_FDB_TX) {
fixup_stc_attr->action_type = MLX5_IFC_STC_ACTION_TYPE_NOP;
fixup_stc_attr->action_offset = MLX5HWS_ACTION_OFFSET_DW5;
fixup_stc_attr->stc_offset = stc_attr->stc_offset;
use_fixup = true;
}
break;
case MLX5_IFC_STC_ACTION_TYPE_ALLOW:
if (fw_tbl_type == FS_FT_FDB_TX || fw_tbl_type == FS_FT_FDB_RX) {
fixup_stc_attr->action_type = MLX5_IFC_STC_ACTION_TYPE_JUMP_TO_VPORT;
fixup_stc_attr->action_offset = stc_attr->action_offset;
fixup_stc_attr->stc_offset = stc_attr->stc_offset;
fixup_stc_attr->vport.esw_owner_vhca_id = ctx->caps->vhca_id;
fixup_stc_attr->vport.vport_num = ctx->caps->eswitch_manager_vport_number;
fixup_stc_attr->vport.eswitch_owner_vhca_id_valid =
ctx->caps->merged_eswitch;
use_fixup = true;
}
break;
case MLX5_IFC_STC_ACTION_TYPE_JUMP_TO_VPORT:
if (stc_attr->vport.vport_num != MLX5_VPORT_UPLINK)
break;
if (fw_tbl_type == FS_FT_FDB_TX || fw_tbl_type == FS_FT_FDB_RX) {
/* The FW doesn't allow to go to wire in the TX/RX by JUMP_TO_VPORT */
fixup_stc_attr->action_type = MLX5_IFC_STC_ACTION_TYPE_JUMP_TO_UPLINK;
fixup_stc_attr->action_offset = stc_attr->action_offset;
fixup_stc_attr->stc_offset = stc_attr->stc_offset;
fixup_stc_attr->vport.vport_num = 0;
fixup_stc_attr->vport.esw_owner_vhca_id = stc_attr->vport.esw_owner_vhca_id;
fixup_stc_attr->vport.eswitch_owner_vhca_id_valid =
stc_attr->vport.eswitch_owner_vhca_id_valid;
}
use_fixup = true;
break;
default:
break;
}
return use_fixup;
}
int mlx5hws_action_alloc_single_stc(struct mlx5hws_context *ctx,
struct mlx5hws_cmd_stc_modify_attr *stc_attr,
u32 table_type,
struct mlx5hws_pool_chunk *stc)
__must_hold(&ctx->ctrl_lock)
{
struct mlx5hws_cmd_stc_modify_attr cleanup_stc_attr = {0};
struct mlx5hws_pool *stc_pool = ctx->stc_pool[table_type];
struct mlx5hws_cmd_stc_modify_attr fixup_stc_attr = {0};
bool use_fixup;
u32 obj_0_id;
int ret;
ret = mlx5hws_pool_chunk_alloc(stc_pool, stc);
if (ret) {
mlx5hws_err(ctx, "Failed to allocate single action STC\n");
return ret;
}
stc_attr->stc_offset = stc->offset;
/* Dynamic reparse not supported, overwrite and use default */
if (!mlx5hws_context_cap_dynamic_reparse(ctx))
stc_attr->reparse_mode = MLX5_IFC_STC_REPARSE_IGNORE;
obj_0_id = mlx5hws_pool_chunk_get_base_id(stc_pool, stc);
/* According to table/action limitation change the stc_attr */
use_fixup = hws_action_fixup_stc_attr(ctx, stc_attr, &fixup_stc_attr, table_type, false);
ret = mlx5hws_cmd_stc_modify(ctx->mdev, obj_0_id,
use_fixup ? &fixup_stc_attr : stc_attr);
if (ret) {
mlx5hws_err(ctx, "Failed to modify STC action_type %d tbl_type %d\n",
stc_attr->action_type, table_type);
goto free_chunk;
}
/* Modify the FDB peer */
if (table_type == MLX5HWS_TABLE_TYPE_FDB) {
u32 obj_1_id;
obj_1_id = mlx5hws_pool_chunk_get_base_mirror_id(stc_pool, stc);
use_fixup = hws_action_fixup_stc_attr(ctx, stc_attr,
&fixup_stc_attr,
table_type, true);
ret = mlx5hws_cmd_stc_modify(ctx->mdev, obj_1_id,
use_fixup ? &fixup_stc_attr : stc_attr);
if (ret) {
mlx5hws_err(ctx,
"Failed to modify peer STC action_type %d tbl_type %d\n",
stc_attr->action_type, table_type);
goto clean_obj_0;
}
}
return 0;
clean_obj_0:
cleanup_stc_attr.action_type = MLX5_IFC_STC_ACTION_TYPE_DROP;
cleanup_stc_attr.action_offset = MLX5HWS_ACTION_OFFSET_HIT;
cleanup_stc_attr.stc_offset = stc->offset;
mlx5hws_cmd_stc_modify(ctx->mdev, obj_0_id, &cleanup_stc_attr);
free_chunk:
mlx5hws_pool_chunk_free(stc_pool, stc);
return ret;
}
void mlx5hws_action_free_single_stc(struct mlx5hws_context *ctx,
u32 table_type,
struct mlx5hws_pool_chunk *stc)
__must_hold(&ctx->ctrl_lock)
{
struct mlx5hws_pool *stc_pool = ctx->stc_pool[table_type];
struct mlx5hws_cmd_stc_modify_attr stc_attr = {0};
u32 obj_id;
/* Modify the STC not to point to an object */
stc_attr.action_type = MLX5_IFC_STC_ACTION_TYPE_DROP;
stc_attr.action_offset = MLX5HWS_ACTION_OFFSET_HIT;
stc_attr.stc_offset = stc->offset;
obj_id = mlx5hws_pool_chunk_get_base_id(stc_pool, stc);
mlx5hws_cmd_stc_modify(ctx->mdev, obj_id, &stc_attr);
if (table_type == MLX5HWS_TABLE_TYPE_FDB) {
obj_id = mlx5hws_pool_chunk_get_base_mirror_id(stc_pool, stc);
mlx5hws_cmd_stc_modify(ctx->mdev, obj_id, &stc_attr);
}
mlx5hws_pool_chunk_free(stc_pool, stc);
}
static u32 hws_action_get_mh_stc_type(struct mlx5hws_context *ctx,
__be64 pattern)
{
u8 action_type = MLX5_GET(set_action_in, &pattern, action_type);
switch (action_type) {
case MLX5_MODIFICATION_TYPE_SET:
return MLX5_IFC_STC_ACTION_TYPE_SET;
case MLX5_MODIFICATION_TYPE_ADD:
return MLX5_IFC_STC_ACTION_TYPE_ADD;
case MLX5_MODIFICATION_TYPE_COPY:
return MLX5_IFC_STC_ACTION_TYPE_COPY;
case MLX5_MODIFICATION_TYPE_ADD_FIELD:
return MLX5_IFC_STC_ACTION_TYPE_ADD_FIELD;
default:
mlx5hws_err(ctx, "Unsupported action type: 0x%x\n", action_type);
return MLX5_IFC_STC_ACTION_TYPE_NOP;
}
}
static void hws_action_fill_stc_attr(struct mlx5hws_action *action,
u32 obj_id,
struct mlx5hws_cmd_stc_modify_attr *attr)
{
attr->reparse_mode = MLX5_IFC_STC_REPARSE_IGNORE;
switch (action->type) {
case MLX5HWS_ACTION_TYP_TAG:
attr->action_type = MLX5_IFC_STC_ACTION_TYPE_TAG;
attr->action_offset = MLX5HWS_ACTION_OFFSET_DW5;
break;
case MLX5HWS_ACTION_TYP_DROP:
attr->action_type = MLX5_IFC_STC_ACTION_TYPE_DROP;
attr->action_offset = MLX5HWS_ACTION_OFFSET_HIT;
break;
case MLX5HWS_ACTION_TYP_MISS:
attr->action_type = MLX5_IFC_STC_ACTION_TYPE_ALLOW;
attr->action_offset = MLX5HWS_ACTION_OFFSET_HIT;
break;
case MLX5HWS_ACTION_TYP_CTR:
attr->id = obj_id;
attr->action_type = MLX5_IFC_STC_ACTION_TYPE_COUNTER;
attr->action_offset = MLX5HWS_ACTION_OFFSET_DW0;
break;
case MLX5HWS_ACTION_TYP_REFORMAT_TNL_L3_TO_L2:
case MLX5HWS_ACTION_TYP_MODIFY_HDR:
attr->action_offset = MLX5HWS_ACTION_OFFSET_DW6;
attr->reparse_mode = MLX5_IFC_STC_REPARSE_IGNORE;
if (action->modify_header.require_reparse)
attr->reparse_mode = MLX5_IFC_STC_REPARSE_ALWAYS;
if (action->modify_header.num_of_actions == 1) {
attr->modify_action.data = action->modify_header.single_action;
attr->action_type = hws_action_get_mh_stc_type(action->ctx,
attr->modify_action.data);
if (attr->action_type == MLX5_IFC_STC_ACTION_TYPE_ADD ||
attr->action_type == MLX5_IFC_STC_ACTION_TYPE_SET)
MLX5_SET(set_action_in, &attr->modify_action.data, data, 0);
} else {
attr->action_type = MLX5_IFC_STC_ACTION_TYPE_ACC_MODIFY_LIST;
attr->modify_header.arg_id = action->modify_header.arg_id;
attr->modify_header.pattern_id = action->modify_header.pat_id;
}
break;
case MLX5HWS_ACTION_TYP_TBL:
case MLX5HWS_ACTION_TYP_DEST_ARRAY:
attr->action_type = MLX5_IFC_STC_ACTION_TYPE_JUMP_TO_FT;
attr->action_offset = MLX5HWS_ACTION_OFFSET_HIT;
attr->dest_table_id = obj_id;
break;
case MLX5HWS_ACTION_TYP_REFORMAT_TNL_L2_TO_L2:
attr->action_type = MLX5_IFC_STC_ACTION_TYPE_HEADER_REMOVE;
attr->action_offset = MLX5HWS_ACTION_OFFSET_DW5;
attr->reparse_mode = MLX5_IFC_STC_REPARSE_ALWAYS;
attr->remove_header.decap = 1;
attr->remove_header.start_anchor = MLX5_HEADER_ANCHOR_PACKET_START;
attr->remove_header.end_anchor = MLX5_HEADER_ANCHOR_INNER_MAC;
break;
case MLX5HWS_ACTION_TYP_REFORMAT_L2_TO_TNL_L2:
case MLX5HWS_ACTION_TYP_REFORMAT_L2_TO_TNL_L3:
case MLX5HWS_ACTION_TYP_INSERT_HEADER:
attr->reparse_mode = MLX5_IFC_STC_REPARSE_ALWAYS;
if (!action->reformat.require_reparse)
attr->reparse_mode = MLX5_IFC_STC_REPARSE_IGNORE;
attr->action_type = MLX5_IFC_STC_ACTION_TYPE_HEADER_INSERT;
attr->action_offset = MLX5HWS_ACTION_OFFSET_DW6;
attr->insert_header.encap = action->reformat.encap;
attr->insert_header.insert_anchor = action->reformat.anchor;
attr->insert_header.arg_id = action->reformat.arg_id;
attr->insert_header.header_size = action->reformat.header_size;
attr->insert_header.insert_offset = action->reformat.offset;
break;
case MLX5HWS_ACTION_TYP_ASO_METER:
attr->action_offset = MLX5HWS_ACTION_OFFSET_DW6;
attr->action_type = MLX5_IFC_STC_ACTION_TYPE_ASO;
attr->aso.aso_type = ASO_OPC_MOD_POLICER;
attr->aso.devx_obj_id = obj_id;
attr->aso.return_reg_id = action->aso.return_reg_id;
break;
case MLX5HWS_ACTION_TYP_VPORT:
attr->action_offset = MLX5HWS_ACTION_OFFSET_HIT;
attr->action_type = MLX5_IFC_STC_ACTION_TYPE_JUMP_TO_VPORT;
attr->vport.vport_num = action->vport.vport_num;
attr->vport.esw_owner_vhca_id = action->vport.esw_owner_vhca_id;
attr->vport.eswitch_owner_vhca_id_valid = action->vport.esw_owner_vhca_id_valid;
break;
case MLX5HWS_ACTION_TYP_POP_VLAN:
attr->action_type = MLX5_IFC_STC_ACTION_TYPE_REMOVE_WORDS;
attr->action_offset = MLX5HWS_ACTION_OFFSET_DW5;
attr->reparse_mode = MLX5_IFC_STC_REPARSE_ALWAYS;
attr->remove_words.start_anchor = MLX5_HEADER_ANCHOR_FIRST_VLAN_START;
attr->remove_words.num_of_words = MLX5HWS_ACTION_HDR_LEN_L2_VLAN / 2;
break;
case MLX5HWS_ACTION_TYP_PUSH_VLAN:
attr->action_type = MLX5_IFC_STC_ACTION_TYPE_HEADER_INSERT;
attr->action_offset = MLX5HWS_ACTION_OFFSET_DW6;
attr->reparse_mode = MLX5_IFC_STC_REPARSE_ALWAYS;
attr->insert_header.encap = 0;
attr->insert_header.is_inline = 1;
attr->insert_header.insert_anchor = MLX5_HEADER_ANCHOR_PACKET_START;
attr->insert_header.insert_offset = MLX5HWS_ACTION_HDR_LEN_L2_MACS;
attr->insert_header.header_size = MLX5HWS_ACTION_HDR_LEN_L2_VLAN;
break;
case MLX5HWS_ACTION_TYP_REMOVE_HEADER:
attr->action_type = MLX5_IFC_STC_ACTION_TYPE_REMOVE_WORDS;
attr->remove_header.decap = 0; /* the mode we support decap is 0 */
attr->remove_words.start_anchor = action->remove_header.anchor;
/* the size is in already in words */
attr->remove_words.num_of_words = action->remove_header.size;
attr->action_offset = MLX5HWS_ACTION_OFFSET_DW5;
attr->reparse_mode = MLX5_IFC_STC_REPARSE_ALWAYS;
break;
default:
mlx5hws_err(action->ctx, "Invalid action type %d\n", action->type);
}
}
static int
hws_action_create_stcs(struct mlx5hws_action *action, u32 obj_id)
{
struct mlx5hws_cmd_stc_modify_attr stc_attr = {0};
struct mlx5hws_context *ctx = action->ctx;
int ret;
hws_action_fill_stc_attr(action, obj_id, &stc_attr);
/* Block unsupported parallel obj modify over the same base */
mutex_lock(&ctx->ctrl_lock);
/* Allocate STC for FDB */
if (action->flags & MLX5HWS_ACTION_FLAG_HWS_FDB) {
ret = mlx5hws_action_alloc_single_stc(ctx, &stc_attr,
MLX5HWS_TABLE_TYPE_FDB,
&action->stc[MLX5HWS_TABLE_TYPE_FDB]);
if (ret)
goto out_err;
}
mutex_unlock(&ctx->ctrl_lock);
return 0;
out_err:
mutex_unlock(&ctx->ctrl_lock);
return ret;
}
static void
hws_action_destroy_stcs(struct mlx5hws_action *action)
{
struct mlx5hws_context *ctx = action->ctx;
/* Block unsupported parallel obj modify over the same base */
mutex_lock(&ctx->ctrl_lock);
if (action->flags & MLX5HWS_ACTION_FLAG_HWS_FDB)
mlx5hws_action_free_single_stc(ctx, MLX5HWS_TABLE_TYPE_FDB,
&action->stc[MLX5HWS_TABLE_TYPE_FDB]);
mutex_unlock(&ctx->ctrl_lock);
}
static bool hws_action_is_flag_hws_fdb(u32 flags)
{
return flags & MLX5HWS_ACTION_FLAG_HWS_FDB;
}
static bool
hws_action_validate_hws_action(struct mlx5hws_context *ctx, u32 flags)
{
if (!(ctx->flags & MLX5HWS_CONTEXT_FLAG_HWS_SUPPORT)) {
mlx5hws_err(ctx, "Cannot create HWS action since HWS is not supported\n");
return false;
}
if ((flags & MLX5HWS_ACTION_FLAG_HWS_FDB) && !ctx->caps->eswitch_manager) {
mlx5hws_err(ctx, "Cannot create HWS action for FDB for non-eswitch-manager\n");
return false;
}
return true;
}
static struct mlx5hws_action *
hws_action_create_generic_bulk(struct mlx5hws_context *ctx,
u32 flags,
enum mlx5hws_action_type action_type,
u8 bulk_sz)
{
struct mlx5hws_action *action;
int i;
if (!hws_action_is_flag_hws_fdb(flags)) {
mlx5hws_err(ctx,
"Action (type: %d) flags must specify only HWS FDB\n", action_type);
return NULL;
}
if (!hws_action_validate_hws_action(ctx, flags))
return NULL;
action = kcalloc(bulk_sz, sizeof(*action), GFP_KERNEL);
if (!action)
return NULL;
for (i = 0; i < bulk_sz; i++) {
action[i].ctx = ctx;
action[i].flags = flags;
action[i].type = action_type;
}
return action;
}
static struct mlx5hws_action *
hws_action_create_generic(struct mlx5hws_context *ctx,
u32 flags,
enum mlx5hws_action_type action_type)
{
return hws_action_create_generic_bulk(ctx, flags, action_type, 1);
}
struct mlx5hws_action *
mlx5hws_action_create_dest_table_num(struct mlx5hws_context *ctx,
u32 table_id,
u32 flags)
{
struct mlx5hws_action *action;
int ret;
action = hws_action_create_generic(ctx, flags, MLX5HWS_ACTION_TYP_TBL);
if (!action)
return NULL;
ret = hws_action_create_stcs(action, table_id);
if (ret)
goto free_action;
action->dest_obj.obj_id = table_id;
return action;
free_action:
kfree(action);
return NULL;
}
struct mlx5hws_action *
mlx5hws_action_create_dest_table(struct mlx5hws_context *ctx,
struct mlx5hws_table *tbl,
u32 flags)
{
return mlx5hws_action_create_dest_table_num(ctx, tbl->ft_id, flags);
}
struct mlx5hws_action *
mlx5hws_action_create_dest_drop(struct mlx5hws_context *ctx, u32 flags)
{
struct mlx5hws_action *action;
int ret;
action = hws_action_create_generic(ctx, flags, MLX5HWS_ACTION_TYP_DROP);
if (!action)
return NULL;
ret = hws_action_create_stcs(action, 0);
if (ret)
goto free_action;
return action;
free_action:
kfree(action);
return NULL;
}
struct mlx5hws_action *
mlx5hws_action_create_default_miss(struct mlx5hws_context *ctx, u32 flags)
{
struct mlx5hws_action *action;
int ret;
action = hws_action_create_generic(ctx, flags, MLX5HWS_ACTION_TYP_MISS);
if (!action)
return NULL;
ret = hws_action_create_stcs(action, 0);
if (ret)
goto free_action;
return action;
free_action:
kfree(action);
return NULL;
}
struct mlx5hws_action *
mlx5hws_action_create_tag(struct mlx5hws_context *ctx, u32 flags)
{
struct mlx5hws_action *action;
int ret;
action = hws_action_create_generic(ctx, flags, MLX5HWS_ACTION_TYP_TAG);
if (!action)
return NULL;
ret = hws_action_create_stcs(action, 0);
if (ret)
goto free_action;
return action;
free_action:
kfree(action);
return NULL;
}
static struct mlx5hws_action *
hws_action_create_aso(struct mlx5hws_context *ctx,
enum mlx5hws_action_type action_type,
u32 obj_id,
u8 return_reg_id,
u32 flags)
{
struct mlx5hws_action *action;
int ret;
action = hws_action_create_generic(ctx, flags, action_type);
if (!action)
return NULL;
action->aso.obj_id = obj_id;
action->aso.return_reg_id = return_reg_id;
ret = hws_action_create_stcs(action, obj_id);
if (ret)
goto free_action;
return action;
free_action:
kfree(action);
return NULL;
}
struct mlx5hws_action *
mlx5hws_action_create_aso_meter(struct mlx5hws_context *ctx,
u32 obj_id,
u8 return_reg_id,
u32 flags)
{
return hws_action_create_aso(ctx, MLX5HWS_ACTION_TYP_ASO_METER,
obj_id, return_reg_id, flags);
}
struct mlx5hws_action *
mlx5hws_action_create_counter(struct mlx5hws_context *ctx,
u32 obj_id,
u32 flags)
{
struct mlx5hws_action *action;
int ret;
action = hws_action_create_generic(ctx, flags, MLX5HWS_ACTION_TYP_CTR);
if (!action)
return NULL;
ret = hws_action_create_stcs(action, obj_id);
if (ret)
goto free_action;
return action;
free_action:
kfree(action);
return NULL;
}
struct mlx5hws_action *
mlx5hws_action_create_dest_vport(struct mlx5hws_context *ctx,
u16 vport_num,
bool vhca_id_valid,
u16 vhca_id,
u32 flags)
{
struct mlx5hws_action *action;
int ret;
if (!(flags & MLX5HWS_ACTION_FLAG_HWS_FDB)) {
mlx5hws_err(ctx, "Vport action is supported for FDB only\n");
return NULL;
}
action = hws_action_create_generic(ctx, flags, MLX5HWS_ACTION_TYP_VPORT);
if (!action)
return NULL;
if (!ctx->caps->merged_eswitch && vhca_id_valid && vhca_id != ctx->caps->vhca_id) {
mlx5hws_err(ctx, "Non merged eswitch cannot send to other vhca\n");
goto free_action;
}
action->vport.vport_num = vport_num;
action->vport.esw_owner_vhca_id_valid = vhca_id_valid;
if (vhca_id_valid)
action->vport.esw_owner_vhca_id = vhca_id;
ret = hws_action_create_stcs(action, 0);
if (ret) {
mlx5hws_err(ctx, "Failed creating stc for vport %d\n", vport_num);
goto free_action;
}
return action;
free_action:
kfree(action);
return NULL;
}
struct mlx5hws_action *
mlx5hws_action_create_push_vlan(struct mlx5hws_context *ctx, u32 flags)
{
struct mlx5hws_action *action;
int ret;
action = hws_action_create_generic(ctx, flags, MLX5HWS_ACTION_TYP_PUSH_VLAN);
if (!action)
return NULL;
ret = hws_action_create_stcs(action, 0);
if (ret) {
mlx5hws_err(ctx, "Failed creating stc for push vlan\n");
goto free_action;
}
return action;
free_action:
kfree(action);
return NULL;
}
struct mlx5hws_action *
mlx5hws_action_create_pop_vlan(struct mlx5hws_context *ctx, u32 flags)
{
struct mlx5hws_action *action;
int ret;
action = hws_action_create_generic(ctx, flags, MLX5HWS_ACTION_TYP_POP_VLAN);
if (!action)
return NULL;
ret = hws_action_get_shared_stc(action, MLX5HWS_CONTEXT_SHARED_STC_DOUBLE_POP);
if (ret) {
mlx5hws_err(ctx, "Failed to create remove stc for reformat\n");
goto free_action;
}
ret = hws_action_create_stcs(action, 0);
if (ret) {
mlx5hws_err(ctx, "Failed creating stc for pop vlan\n");
goto free_shared;
}
return action;
free_shared:
hws_action_put_shared_stc(action, MLX5HWS_CONTEXT_SHARED_STC_DOUBLE_POP);
free_action:
kfree(action);
return NULL;
}
static int
hws_action_handle_insert_with_ptr(struct mlx5hws_action *action,
u8 num_of_hdrs,
struct mlx5hws_action_reformat_header *hdrs,
u32 log_bulk_sz)
{
size_t max_sz = 0;
u32 arg_id;
int ret, i;
for (i = 0; i < num_of_hdrs; i++) {
if (hdrs[i].sz % W_SIZE != 0) {
mlx5hws_err(action->ctx,
"Header data size should be in WORD granularity\n");
return -EINVAL;
}
max_sz = max(hdrs[i].sz, max_sz);
}
/* Allocate single shared arg object for all headers */
ret = mlx5hws_arg_create(action->ctx,
hdrs->data,
max_sz,
log_bulk_sz,
action->flags & MLX5HWS_ACTION_FLAG_SHARED,
&arg_id);
if (ret)
return ret;
for (i = 0; i < num_of_hdrs; i++) {
action[i].reformat.arg_id = arg_id;
action[i].reformat.header_size = hdrs[i].sz;
action[i].reformat.num_of_hdrs = num_of_hdrs;
action[i].reformat.max_hdr_sz = max_sz;
action[i].reformat.require_reparse = true;
if (action[i].type == MLX5HWS_ACTION_TYP_REFORMAT_L2_TO_TNL_L2 ||
action[i].type == MLX5HWS_ACTION_TYP_REFORMAT_L2_TO_TNL_L3) {
action[i].reformat.anchor = MLX5_HEADER_ANCHOR_PACKET_START;
action[i].reformat.offset = 0;
action[i].reformat.encap = 1;
}
ret = hws_action_create_stcs(&action[i], 0);
if (ret) {
mlx5hws_err(action->ctx, "Failed to create stc for reformat\n");
goto free_stc;
}
}
return 0;
free_stc:
while (i--)
hws_action_destroy_stcs(&action[i]);
mlx5hws_arg_destroy(action->ctx, arg_id);
return ret;
}
static int
hws_action_handle_l2_to_tunnel_l3(struct mlx5hws_action *action,
u8 num_of_hdrs,
struct mlx5hws_action_reformat_header *hdrs,
u32 log_bulk_sz)
{
int ret;
/* The action is remove-l2-header + insert-l3-header */
ret = hws_action_get_shared_stc(action, MLX5HWS_CONTEXT_SHARED_STC_DECAP_L3);
if (ret) {
mlx5hws_err(action->ctx, "Failed to create remove stc for reformat\n");
return ret;
}
/* Reuse the insert with pointer for the L2L3 header */
ret = hws_action_handle_insert_with_ptr(action,
num_of_hdrs,
hdrs,
log_bulk_sz);
if (ret)
goto put_shared_stc;
return 0;
put_shared_stc:
hws_action_put_shared_stc(action, MLX5HWS_CONTEXT_SHARED_STC_DECAP_L3);
return ret;
}
static void hws_action_prepare_decap_l3_actions(size_t data_sz,
u8 *mh_data,
int *num_of_actions)
{
int actions;
u32 i;
/* Remove L2L3 outer headers */
MLX5_SET(stc_ste_param_remove, mh_data, action_type,
MLX5_MODIFICATION_TYPE_REMOVE);
MLX5_SET(stc_ste_param_remove, mh_data, decap, 0x1);
MLX5_SET(stc_ste_param_remove, mh_data, remove_start_anchor,
MLX5_HEADER_ANCHOR_PACKET_START);
MLX5_SET(stc_ste_param_remove, mh_data, remove_end_anchor,
MLX5_HEADER_ANCHOR_INNER_IPV6_IPV4);
mh_data += MLX5HWS_ACTION_DOUBLE_SIZE; /* Assume every action is 2 dw */
actions = 1;
/* Add the new header using inline action 4Byte at a time, the header
* is added in reversed order to the beginning of the packet to avoid
* incorrect parsing by the HW. Since header is 14B or 18B an extra
* two bytes are padded and later removed.
*/
for (i = 0; i < data_sz / MLX5HWS_ACTION_INLINE_DATA_SIZE + 1; i++) {
MLX5_SET(stc_ste_param_insert, mh_data, action_type,
MLX5_MODIFICATION_TYPE_INSERT);
MLX5_SET(stc_ste_param_insert, mh_data, inline_data, 0x1);
MLX5_SET(stc_ste_param_insert, mh_data, insert_anchor,
MLX5_HEADER_ANCHOR_PACKET_START);
MLX5_SET(stc_ste_param_insert, mh_data, insert_size, 2);
mh_data += MLX5HWS_ACTION_DOUBLE_SIZE;
actions++;
}
/* Remove first 2 extra bytes */
MLX5_SET(stc_ste_param_remove_words, mh_data, action_type,
MLX5_MODIFICATION_TYPE_REMOVE_WORDS);
MLX5_SET(stc_ste_param_remove_words, mh_data, remove_start_anchor,
MLX5_HEADER_ANCHOR_PACKET_START);
/* The hardware expects here size in words (2 bytes) */
MLX5_SET(stc_ste_param_remove_words, mh_data, remove_size, 1);
actions++;
*num_of_actions = actions;
}
static int
hws_action_handle_tunnel_l3_to_l2(struct mlx5hws_action *action,
u8 num_of_hdrs,
struct mlx5hws_action_reformat_header *hdrs,
u32 log_bulk_sz)
{
u8 mh_data[MLX5HWS_ACTION_REFORMAT_DATA_SIZE] = {0};
struct mlx5hws_context *ctx = action->ctx;
u32 arg_id, pat_id;
int num_of_actions;
int mh_data_size;
int ret, i;
for (i = 0; i < num_of_hdrs; i++) {
if (hdrs[i].sz != MLX5HWS_ACTION_HDR_LEN_L2 &&
hdrs[i].sz != MLX5HWS_ACTION_HDR_LEN_L2_W_VLAN) {
mlx5hws_err(ctx, "Data size is not supported for decap-l3\n");
return -EINVAL;
}
}
/* Create a full modify header action list in case shared */
hws_action_prepare_decap_l3_actions(hdrs->sz, mh_data, &num_of_actions);
if (action->flags & MLX5HWS_ACTION_FLAG_SHARED)
mlx5hws_action_prepare_decap_l3_data(hdrs->data, mh_data, num_of_actions);
/* All DecapL3 cases require the same max arg size */
ret = mlx5hws_arg_create_modify_header_arg(ctx,
(__be64 *)mh_data,
num_of_actions,
log_bulk_sz,
action->flags & MLX5HWS_ACTION_FLAG_SHARED,
&arg_id);
if (ret)
return ret;
for (i = 0; i < num_of_hdrs; i++) {
memset(mh_data, 0, MLX5HWS_ACTION_REFORMAT_DATA_SIZE);
hws_action_prepare_decap_l3_actions(hdrs[i].sz, mh_data, &num_of_actions);
mh_data_size = num_of_actions * MLX5HWS_MODIFY_ACTION_SIZE;
ret = mlx5hws_pat_get_pattern(ctx, (__be64 *)mh_data, mh_data_size, &pat_id);
if (ret) {
mlx5hws_err(ctx, "Failed to allocate pattern for DecapL3\n");
goto free_stc_and_pat;
}
action[i].modify_header.max_num_of_actions = num_of_actions;
action[i].modify_header.num_of_actions = num_of_actions;
action[i].modify_header.num_of_patterns = num_of_hdrs;
action[i].modify_header.arg_id = arg_id;
action[i].modify_header.pat_id = pat_id;
action[i].modify_header.require_reparse =
mlx5hws_pat_require_reparse((__be64 *)mh_data, num_of_actions);
ret = hws_action_create_stcs(&action[i], 0);
if (ret) {
mlx5hws_pat_put_pattern(ctx, pat_id);
goto free_stc_and_pat;
}
}
return 0;
free_stc_and_pat:
while (i--) {
hws_action_destroy_stcs(&action[i]);
mlx5hws_pat_put_pattern(ctx, action[i].modify_header.pat_id);
}
mlx5hws_arg_destroy(action->ctx, arg_id);
return ret;
}
static int
hws_action_create_reformat_hws(struct mlx5hws_action *action,
u8 num_of_hdrs,
struct mlx5hws_action_reformat_header *hdrs,
u32 bulk_size)
{
int ret;
switch (action->type) {
case MLX5HWS_ACTION_TYP_REFORMAT_TNL_L2_TO_L2:
ret = hws_action_create_stcs(action, 0);
break;
case MLX5HWS_ACTION_TYP_REFORMAT_L2_TO_TNL_L2:
ret = hws_action_handle_insert_with_ptr(action, num_of_hdrs, hdrs, bulk_size);
break;
case MLX5HWS_ACTION_TYP_REFORMAT_L2_TO_TNL_L3:
ret = hws_action_handle_l2_to_tunnel_l3(action, num_of_hdrs, hdrs, bulk_size);
break;
case MLX5HWS_ACTION_TYP_REFORMAT_TNL_L3_TO_L2:
ret = hws_action_handle_tunnel_l3_to_l2(action, num_of_hdrs, hdrs, bulk_size);
break;
default:
mlx5hws_err(action->ctx, "Invalid HWS reformat action type\n");
return -EINVAL;
}
return ret;
}
struct mlx5hws_action *
mlx5hws_action_create_reformat(struct mlx5hws_context *ctx,
enum mlx5hws_action_type reformat_type,
u8 num_of_hdrs,
struct mlx5hws_action_reformat_header *hdrs,
u32 log_bulk_size,
u32 flags)
{
struct mlx5hws_action *action;
int ret;
if (!num_of_hdrs) {
mlx5hws_err(ctx, "Reformat num_of_hdrs cannot be zero\n");
return NULL;
}
action = hws_action_create_generic_bulk(ctx, flags, reformat_type, num_of_hdrs);
if (!action)
return NULL;
if ((flags & MLX5HWS_ACTION_FLAG_SHARED) && (log_bulk_size || num_of_hdrs > 1)) {
mlx5hws_err(ctx, "Reformat flags don't fit HWS (flags: 0x%x)\n", flags);
goto free_action;
}
ret = hws_action_create_reformat_hws(action, num_of_hdrs, hdrs, log_bulk_size);
if (ret) {
mlx5hws_err(ctx, "Failed to create HWS reformat action\n");
goto free_action;
}
return action;
free_action:
kfree(action);
return NULL;
}
static int
hws_action_create_modify_header_hws(struct mlx5hws_action *action,
u8 num_of_patterns,
struct mlx5hws_action_mh_pattern *pattern,
u32 log_bulk_size)
{
struct mlx5hws_context *ctx = action->ctx;
u16 num_actions, max_mh_actions = 0;
int i, ret, size_in_bytes;
u32 pat_id, arg_id = 0;
__be64 *new_pattern;
size_t pat_max_sz;
pat_max_sz = MLX5HWS_ARG_CHUNK_SIZE_MAX * MLX5HWS_ARG_DATA_SIZE;
size_in_bytes = pat_max_sz * sizeof(__be64);
new_pattern = kcalloc(num_of_patterns, size_in_bytes, GFP_KERNEL);
if (!new_pattern)
return -ENOMEM;
/* Calculate maximum number of mh actions for shared arg allocation */
for (i = 0; i < num_of_patterns; i++) {
size_t new_num_actions;
size_t cur_num_actions;
u32 nope_location;
cur_num_actions = pattern[i].sz / MLX5HWS_MODIFY_ACTION_SIZE;
mlx5hws_pat_calc_nope(pattern[i].data, cur_num_actions,
pat_max_sz / MLX5HWS_MODIFY_ACTION_SIZE,
&new_num_actions, &nope_location,
&new_pattern[i * pat_max_sz]);
action[i].modify_header.nope_locations = nope_location;
action[i].modify_header.num_of_actions = new_num_actions;
max_mh_actions = max(max_mh_actions, new_num_actions);
}
if (mlx5hws_arg_get_arg_log_size(max_mh_actions) >= MLX5HWS_ARG_CHUNK_SIZE_MAX) {
mlx5hws_err(ctx, "Num of actions (%d) bigger than allowed\n",
max_mh_actions);
ret = -EINVAL;
goto free_new_pat;
}
/* Allocate single shared arg for all patterns based on the max size */
if (max_mh_actions > 1) {
ret = mlx5hws_arg_create_modify_header_arg(ctx,
pattern->data,
max_mh_actions,
log_bulk_size,
action->flags &
MLX5HWS_ACTION_FLAG_SHARED,
&arg_id);
if (ret)
goto free_new_pat;
}
for (i = 0; i < num_of_patterns; i++) {
if (!mlx5hws_pat_verify_actions(ctx, pattern[i].data, pattern[i].sz)) {
mlx5hws_err(ctx, "Fail to verify pattern modify actions\n");
ret = -EINVAL;
goto free_stc_and_pat;
}
num_actions = pattern[i].sz / MLX5HWS_MODIFY_ACTION_SIZE;
action[i].modify_header.num_of_patterns = num_of_patterns;
action[i].modify_header.max_num_of_actions = max_mh_actions;
action[i].modify_header.require_reparse =
mlx5hws_pat_require_reparse(pattern[i].data, num_actions);
if (num_actions == 1) {
pat_id = 0;
/* Optimize single modify action to be used inline */
action[i].modify_header.single_action = pattern[i].data[0];
action[i].modify_header.single_action_type =
MLX5_GET(set_action_in, pattern[i].data, action_type);
} else {
/* Multiple modify actions require a pattern */
if (unlikely(action[i].modify_header.nope_locations)) {
size_t pattern_sz;
pattern_sz = action[i].modify_header.num_of_actions *
MLX5HWS_MODIFY_ACTION_SIZE;
ret =
mlx5hws_pat_get_pattern(ctx,
&new_pattern[i * pat_max_sz],
pattern_sz, &pat_id);
} else {
ret = mlx5hws_pat_get_pattern(ctx,
pattern[i].data,
pattern[i].sz,
&pat_id);
}
if (ret) {
mlx5hws_err(ctx,
"Failed to allocate pattern for modify header\n");
goto free_stc_and_pat;
}
action[i].modify_header.arg_id = arg_id;
action[i].modify_header.pat_id = pat_id;
}
/* Allocate STC for each action representing a header */
ret = hws_action_create_stcs(&action[i], 0);
if (ret) {
if (pat_id)
mlx5hws_pat_put_pattern(ctx, pat_id);
goto free_stc_and_pat;
}
}
kfree(new_pattern);
return 0;
free_stc_and_pat:
while (i--) {
hws_action_destroy_stcs(&action[i]);
if (action[i].modify_header.pat_id)
mlx5hws_pat_put_pattern(ctx, action[i].modify_header.pat_id);
}
if (arg_id)
mlx5hws_arg_destroy(ctx, arg_id);
free_new_pat:
kfree(new_pattern);
return ret;
}
struct mlx5hws_action *
mlx5hws_action_create_modify_header(struct mlx5hws_context *ctx,
u8 num_of_patterns,
struct mlx5hws_action_mh_pattern *patterns,
u32 log_bulk_size,
u32 flags)
{
struct mlx5hws_action *action;
int ret;
if (!num_of_patterns) {
mlx5hws_err(ctx, "Invalid number of patterns\n");
return NULL;
}
action = hws_action_create_generic_bulk(ctx, flags,
MLX5HWS_ACTION_TYP_MODIFY_HDR,
num_of_patterns);
if (!action)
return NULL;
if ((flags & MLX5HWS_ACTION_FLAG_SHARED) && (log_bulk_size || num_of_patterns > 1)) {
mlx5hws_err(ctx, "Action cannot be shared with requested pattern or size\n");
goto free_action;
}
ret = hws_action_create_modify_header_hws(action,
num_of_patterns,
patterns,
log_bulk_size);
if (ret)
goto free_action;
return action;
free_action:
kfree(action);
return NULL;
}
struct mlx5hws_action *
mlx5hws_action_create_dest_array(struct mlx5hws_context *ctx,
size_t num_dest,
struct mlx5hws_action_dest_attr *dests,
bool ignore_flow_level,
u32 flow_source,
u32 flags)
{
struct mlx5hws_cmd_set_fte_dest *dest_list = NULL;
struct mlx5hws_cmd_ft_create_attr ft_attr = {0};
struct mlx5hws_cmd_set_fte_attr fte_attr = {0};
struct mlx5hws_cmd_forward_tbl *fw_island;
struct mlx5hws_action *action;
u32 i /*, packet_reformat_id*/;
int ret;
if (num_dest <= 1) {
mlx5hws_err(ctx, "Action must have multiple dests\n");
return NULL;
}
if (flags == (MLX5HWS_ACTION_FLAG_HWS_FDB | MLX5HWS_ACTION_FLAG_SHARED)) {
ft_attr.type = FS_FT_FDB;
ft_attr.level = ctx->caps->fdb_ft.max_level - 1;
} else {
mlx5hws_err(ctx, "Action flags not supported\n");
return NULL;
}
dest_list = kcalloc(num_dest, sizeof(*dest_list), GFP_KERNEL);
if (!dest_list)
return NULL;
for (i = 0; i < num_dest; i++) {
enum mlx5hws_action_type action_type = dests[i].dest->type;
struct mlx5hws_action *reformat_action = dests[i].reformat;
switch (action_type) {
case MLX5HWS_ACTION_TYP_TBL:
dest_list[i].destination_type =
MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
dest_list[i].destination_id = dests[i].dest->dest_obj.obj_id;
fte_attr.action_flags |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
fte_attr.ignore_flow_level = ignore_flow_level;
/* ToDo: In SW steering we have a handling of 'go to WIRE'
* destination here by upper layer setting 'is_wire_ft' flag
* if the destination is wire.
* This is because uplink should be last dest in the list.
*/
break;
case MLX5HWS_ACTION_TYP_VPORT:
dest_list[i].destination_type = MLX5_FLOW_DESTINATION_TYPE_VPORT;
dest_list[i].destination_id = dests[i].dest->vport.vport_num;
fte_attr.action_flags |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
if (ctx->caps->merged_eswitch) {
dest_list[i].ext_flags |=
MLX5HWS_CMD_EXT_DEST_ESW_OWNER_VHCA_ID;
dest_list[i].esw_owner_vhca_id =
dests[i].dest->vport.esw_owner_vhca_id;
}
break;
default:
mlx5hws_err(ctx, "Unsupported action in dest_array\n");
goto free_dest_list;
}
if (reformat_action) {
mlx5hws_err(ctx, "dest_array with reformat action - unsupported\n");
goto free_dest_list;
}
}
fte_attr.dests_num = num_dest;
fte_attr.dests = dest_list;
fw_island = mlx5hws_cmd_forward_tbl_create(ctx->mdev, &ft_attr, &fte_attr);
if (!fw_island)
goto free_dest_list;
action = hws_action_create_generic(ctx, flags, MLX5HWS_ACTION_TYP_DEST_ARRAY);
if (!action)
goto destroy_fw_island;
ret = hws_action_create_stcs(action, fw_island->ft_id);
if (ret)
goto free_action;
action->dest_array.fw_island = fw_island;
action->dest_array.num_dest = num_dest;
action->dest_array.dest_list = dest_list;
return action;
free_action:
kfree(action);
destroy_fw_island:
mlx5hws_cmd_forward_tbl_destroy(ctx->mdev, fw_island);
free_dest_list:
for (i = 0; i < num_dest; i++) {
if (dest_list[i].ext_reformat_id)
mlx5hws_cmd_packet_reformat_destroy(ctx->mdev,
dest_list[i].ext_reformat_id);
}
kfree(dest_list);
return NULL;
}
struct mlx5hws_action *
mlx5hws_action_create_insert_header(struct mlx5hws_context *ctx,
u8 num_of_hdrs,
struct mlx5hws_action_insert_header *hdrs,
u32 log_bulk_size,
u32 flags)
{
struct mlx5hws_action_reformat_header *reformat_hdrs;
struct mlx5hws_action *action;
int ret;
int i;
action = hws_action_create_generic(ctx, flags, MLX5HWS_ACTION_TYP_INSERT_HEADER);
if (!action)
return NULL;
reformat_hdrs = kcalloc(num_of_hdrs, sizeof(*reformat_hdrs), GFP_KERNEL);
if (!reformat_hdrs)
goto free_action;
for (i = 0; i < num_of_hdrs; i++) {
if (hdrs[i].offset % W_SIZE != 0) {
mlx5hws_err(ctx, "Header offset should be in WORD granularity\n");
goto free_reformat_hdrs;
}
action[i].reformat.anchor = hdrs[i].anchor;
action[i].reformat.encap = hdrs[i].encap;
action[i].reformat.offset = hdrs[i].offset;
reformat_hdrs[i].sz = hdrs[i].hdr.sz;
reformat_hdrs[i].data = hdrs[i].hdr.data;
}
ret = hws_action_handle_insert_with_ptr(action, num_of_hdrs,
reformat_hdrs, log_bulk_size);
if (ret) {
mlx5hws_err(ctx, "Failed to create HWS reformat action\n");
goto free_reformat_hdrs;
}
kfree(reformat_hdrs);
return action;
free_reformat_hdrs:
kfree(reformat_hdrs);
free_action:
kfree(action);
return NULL;
}
struct mlx5hws_action *
mlx5hws_action_create_remove_header(struct mlx5hws_context *ctx,
struct mlx5hws_action_remove_header_attr *attr,
u32 flags)
{
struct mlx5hws_action *action;
action = hws_action_create_generic(ctx, flags, MLX5HWS_ACTION_TYP_REMOVE_HEADER);
if (!action)
return NULL;
/* support only remove anchor with size */
if (attr->size % W_SIZE != 0) {
mlx5hws_err(ctx,
"Invalid size, HW supports header remove in WORD granularity\n");
goto free_action;
}
if (attr->size > MLX5HWS_ACTION_REMOVE_HEADER_MAX_SIZE) {
mlx5hws_err(ctx, "Header removal size limited to %u bytes\n",
MLX5HWS_ACTION_REMOVE_HEADER_MAX_SIZE);
goto free_action;
}
action->remove_header.anchor = attr->anchor;
action->remove_header.size = attr->size / W_SIZE;
if (hws_action_create_stcs(action, 0))
goto free_action;
return action;
free_action:
kfree(action);
return NULL;
}
static struct mlx5hws_definer *
hws_action_create_dest_match_range_definer(struct mlx5hws_context *ctx)
{
struct mlx5hws_definer *definer;
__be32 *tag;
int ret;
definer = kzalloc(sizeof(*definer), GFP_KERNEL);
if (!definer)
return NULL;
definer->dw_selector[0] = MLX5_IFC_DEFINER_FORMAT_OFFSET_OUTER_ETH_PKT_LEN / 4;
/* Set DW0 tag mask */
tag = (__force __be32 *)definer->mask.jumbo;
tag[MLX5HWS_RULE_JUMBO_MATCH_TAG_OFFSET_DW0] = htonl(0xffffUL << 16);
mutex_lock(&ctx->ctrl_lock);
ret = mlx5hws_definer_get_obj(ctx, definer);
if (ret < 0) {
mutex_unlock(&ctx->ctrl_lock);
kfree(definer);
return NULL;
}
mutex_unlock(&ctx->ctrl_lock);
definer->obj_id = ret;
return definer;
}
static struct mlx5hws_matcher_action_ste *
hws_action_create_dest_match_range_table(struct mlx5hws_context *ctx,
struct mlx5hws_definer *definer,
u32 miss_ft_id)
{
struct mlx5hws_cmd_rtc_create_attr rtc_attr = {0};
struct mlx5hws_action_default_stc *default_stc;
struct mlx5hws_matcher_action_ste *table_ste;
struct mlx5hws_pool_attr pool_attr = {0};
struct mlx5hws_pool *ste_pool, *stc_pool;
struct mlx5hws_pool_chunk *ste;
u32 *rtc_0_id, *rtc_1_id;
u32 obj_id;
int ret;
/* Check if STE range is supported */
if (!IS_BIT_SET(ctx->caps->supp_ste_format_gen_wqe, MLX5_IFC_RTC_STE_FORMAT_RANGE)) {
mlx5hws_err(ctx, "Range STE format not supported\n");
return NULL;
}
table_ste = kzalloc(sizeof(*table_ste), GFP_KERNEL);
if (!table_ste)
return NULL;
mutex_lock(&ctx->ctrl_lock);
pool_attr.table_type = MLX5HWS_TABLE_TYPE_FDB;
pool_attr.pool_type = MLX5HWS_POOL_TYPE_STE;
pool_attr.flags = MLX5HWS_POOL_FLAGS_FOR_STE_ACTION_POOL;
pool_attr.alloc_log_sz = 1;
table_ste->pool = mlx5hws_pool_create(ctx, &pool_attr);
if (!table_ste->pool) {
mlx5hws_err(ctx, "Failed to allocate memory ste pool\n");
goto free_ste;
}
/* Allocate RTC */
rtc_0_id = &table_ste->rtc_0_id;
rtc_1_id = &table_ste->rtc_1_id;
ste_pool = table_ste->pool;
ste = &table_ste->ste;
ste->order = 1;
rtc_attr.log_size = 0;
rtc_attr.log_depth = 0;
rtc_attr.miss_ft_id = miss_ft_id;
rtc_attr.num_hash_definer = 1;
rtc_attr.update_index_mode = MLX5_IFC_RTC_STE_UPDATE_MODE_BY_HASH;
rtc_attr.access_index_mode = MLX5_IFC_RTC_STE_ACCESS_MODE_BY_HASH;
rtc_attr.match_definer_0 = ctx->caps->trivial_match_definer;
rtc_attr.fw_gen_wqe = true;
rtc_attr.is_scnd_range = true;
obj_id = mlx5hws_pool_chunk_get_base_id(ste_pool, ste);
rtc_attr.pd = ctx->pd_num;
rtc_attr.ste_base = obj_id;
rtc_attr.ste_offset = ste->offset;
rtc_attr.reparse_mode = mlx5hws_context_get_reparse_mode(ctx);
rtc_attr.table_type = mlx5hws_table_get_res_fw_ft_type(MLX5HWS_TABLE_TYPE_FDB, false);
/* STC is a single resource (obj_id), use any STC for the ID */
stc_pool = ctx->stc_pool[MLX5HWS_TABLE_TYPE_FDB];
default_stc = ctx->common_res[MLX5HWS_TABLE_TYPE_FDB].default_stc;
obj_id = mlx5hws_pool_chunk_get_base_id(stc_pool, &default_stc->default_hit);
rtc_attr.stc_base = obj_id;
ret = mlx5hws_cmd_rtc_create(ctx->mdev, &rtc_attr, rtc_0_id);
if (ret) {
mlx5hws_err(ctx, "Failed to create RTC");
goto pool_destroy;
}
/* Create mirror RTC */
obj_id = mlx5hws_pool_chunk_get_base_mirror_id(ste_pool, ste);
rtc_attr.ste_base = obj_id;
rtc_attr.table_type = mlx5hws_table_get_res_fw_ft_type(MLX5HWS_TABLE_TYPE_FDB, true);
obj_id = mlx5hws_pool_chunk_get_base_mirror_id(stc_pool, &default_stc->default_hit);
rtc_attr.stc_base = obj_id;
ret = mlx5hws_cmd_rtc_create(ctx->mdev, &rtc_attr, rtc_1_id);
if (ret) {
mlx5hws_err(ctx, "Failed to create mirror RTC");
goto destroy_rtc_0;
}
mutex_unlock(&ctx->ctrl_lock);
return table_ste;
destroy_rtc_0:
mlx5hws_cmd_rtc_destroy(ctx->mdev, *rtc_0_id);
pool_destroy:
mlx5hws_pool_destroy(table_ste->pool);
free_ste:
mutex_unlock(&ctx->ctrl_lock);
kfree(table_ste);
return NULL;
}
static void
hws_action_destroy_dest_match_range_table(struct mlx5hws_context *ctx,
struct mlx5hws_matcher_action_ste *table_ste)
{
mutex_lock(&ctx->ctrl_lock);
mlx5hws_cmd_rtc_destroy(ctx->mdev, table_ste->rtc_1_id);
mlx5hws_cmd_rtc_destroy(ctx->mdev, table_ste->rtc_0_id);
mlx5hws_pool_destroy(table_ste->pool);
kfree(table_ste);
mutex_unlock(&ctx->ctrl_lock);
}
static int
hws_action_create_dest_match_range_fill_table(struct mlx5hws_context *ctx,
struct mlx5hws_matcher_action_ste *table_ste,
struct mlx5hws_action *hit_ft_action,
struct mlx5hws_definer *range_definer,
u32 min, u32 max)
{
struct mlx5hws_wqe_gta_data_seg_ste match_wqe_data = {0};
struct mlx5hws_wqe_gta_data_seg_ste range_wqe_data = {0};
struct mlx5hws_wqe_gta_ctrl_seg wqe_ctrl = {0};
u32 no_use, used_rtc_0_id, used_rtc_1_id, ret;
struct mlx5hws_context_common_res *common_res;
struct mlx5hws_send_ste_attr ste_attr = {0};
struct mlx5hws_send_engine *queue;
__be32 *wqe_data_arr;
mutex_lock(&ctx->ctrl_lock);
/* Get the control queue */
queue = &ctx->send_queue[ctx->queues - 1];
if (unlikely(mlx5hws_send_engine_err(queue))) {
ret = -EIO;
goto error;
}
/* Init default send STE attributes */
ste_attr.gta_opcode = MLX5HWS_WQE_GTA_OP_ACTIVATE;
ste_attr.send_attr.opmod = MLX5HWS_WQE_GTA_OPMOD_STE;
ste_attr.send_attr.opcode = MLX5HWS_WQE_OPCODE_TBL_ACCESS;
ste_attr.send_attr.len = MLX5HWS_WQE_SZ_GTA_CTRL + MLX5HWS_WQE_SZ_GTA_DATA;
ste_attr.send_attr.user_data = &no_use;
ste_attr.send_attr.rule = NULL;
ste_attr.send_attr.fence = 1;
ste_attr.send_attr.notify_hw = true;
ste_attr.rtc_0 = table_ste->rtc_0_id;
ste_attr.rtc_1 = table_ste->rtc_1_id;
ste_attr.used_id_rtc_0 = &used_rtc_0_id;
ste_attr.used_id_rtc_1 = &used_rtc_1_id;
common_res = &ctx->common_res[MLX5HWS_TABLE_TYPE_FDB];
/* init an empty match STE which will always hit */
ste_attr.wqe_ctrl = &wqe_ctrl;
ste_attr.wqe_data = &match_wqe_data;
ste_attr.send_attr.match_definer_id = ctx->caps->trivial_match_definer;
/* Fill WQE control data */
wqe_ctrl.stc_ix[MLX5HWS_ACTION_STC_IDX_CTRL] =
htonl(common_res->default_stc->nop_ctr.offset);
wqe_ctrl.stc_ix[MLX5HWS_ACTION_STC_IDX_DW5] =
htonl(common_res->default_stc->nop_dw5.offset);
wqe_ctrl.stc_ix[MLX5HWS_ACTION_STC_IDX_DW6] =
htonl(common_res->default_stc->nop_dw6.offset);
wqe_ctrl.stc_ix[MLX5HWS_ACTION_STC_IDX_DW7] =
htonl(common_res->default_stc->nop_dw7.offset);
wqe_ctrl.stc_ix[MLX5HWS_ACTION_STC_IDX_CTRL] |=
htonl(MLX5HWS_ACTION_STC_IDX_LAST_COMBO2 << 29);
wqe_ctrl.stc_ix[MLX5HWS_ACTION_STC_IDX_HIT] =
htonl(hit_ft_action->stc[MLX5HWS_TABLE_TYPE_FDB].offset);
wqe_data_arr = (__force __be32 *)&range_wqe_data;
ste_attr.range_wqe_data = &range_wqe_data;
ste_attr.send_attr.len += MLX5HWS_WQE_SZ_GTA_DATA;
ste_attr.send_attr.range_definer_id = mlx5hws_definer_get_id(range_definer);
/* Fill range matching fields,
* min/max_value_2 corresponds to match_dw_0 in its definer,
* min_value_2 sets in DW0 in the STE and max_value_2 sets in DW1 in the STE.
*/
wqe_data_arr[MLX5HWS_MATCHER_OFFSET_TAG_DW0] = htonl(min << 16);
wqe_data_arr[MLX5HWS_MATCHER_OFFSET_TAG_DW1] = htonl(max << 16);
/* Send WQEs to FW */
mlx5hws_send_stes_fw(ctx, queue, &ste_attr);
/* Poll for completion */
ret = mlx5hws_send_queue_action(ctx, ctx->queues - 1,
MLX5HWS_SEND_QUEUE_ACTION_DRAIN_SYNC);
if (ret) {
mlx5hws_err(ctx, "Failed to drain control queue");
goto error;
}
mutex_unlock(&ctx->ctrl_lock);
return 0;
error:
mutex_unlock(&ctx->ctrl_lock);
return ret;
}
struct mlx5hws_action *
mlx5hws_action_create_dest_match_range(struct mlx5hws_context *ctx,
u32 field,
struct mlx5_flow_table *hit_ft,
struct mlx5_flow_table *miss_ft,
u32 min, u32 max, u32 flags)
{
struct mlx5hws_cmd_stc_modify_attr stc_attr = {0};
struct mlx5hws_matcher_action_ste *table_ste;
struct mlx5hws_action *hit_ft_action;
struct mlx5hws_definer *definer;
struct mlx5hws_action *action;
u32 miss_ft_id = miss_ft->id;
u32 hit_ft_id = hit_ft->id;
int ret;
if (field != MLX5_FLOW_DEST_RANGE_FIELD_PKT_LEN ||
min > 0xffff || max > 0xffff) {
mlx5hws_err(ctx, "Invalid match range parameters\n");
return NULL;
}
action = hws_action_create_generic(ctx, flags, MLX5HWS_ACTION_TYP_RANGE);
if (!action)
return NULL;
definer = hws_action_create_dest_match_range_definer(ctx);
if (!definer)
goto free_action;
table_ste = hws_action_create_dest_match_range_table(ctx, definer, miss_ft_id);
if (!table_ste)
goto destroy_definer;
hit_ft_action = mlx5hws_action_create_dest_table_num(ctx, hit_ft_id, flags);
if (!hit_ft_action)
goto destroy_table_ste;
ret = hws_action_create_dest_match_range_fill_table(ctx, table_ste,
hit_ft_action,
definer, min, max);
if (ret)
goto destroy_hit_ft_action;
action->range.table_ste = table_ste;
action->range.definer = definer;
action->range.hit_ft_action = hit_ft_action;
/* Allocate STC for jumps to STE */
mutex_lock(&ctx->ctrl_lock);
stc_attr.action_offset = MLX5HWS_ACTION_OFFSET_HIT;
stc_attr.action_type = MLX5_IFC_STC_ACTION_TYPE_JUMP_TO_STE_TABLE;
stc_attr.reparse_mode = MLX5_IFC_STC_REPARSE_IGNORE;
stc_attr.ste_table.ste = table_ste->ste;
stc_attr.ste_table.ste_pool = table_ste->pool;
stc_attr.ste_table.match_definer_id = ctx->caps->trivial_match_definer;
ret = mlx5hws_action_alloc_single_stc(ctx, &stc_attr, MLX5HWS_TABLE_TYPE_FDB,
&action->stc[MLX5HWS_TABLE_TYPE_FDB]);
if (ret)
goto error_unlock;
mutex_unlock(&ctx->ctrl_lock);
return action;
error_unlock:
mutex_unlock(&ctx->ctrl_lock);
destroy_hit_ft_action:
mlx5hws_action_destroy(hit_ft_action);
destroy_table_ste:
hws_action_destroy_dest_match_range_table(ctx, table_ste);
destroy_definer:
mlx5hws_definer_free(ctx, definer);
free_action:
kfree(action);
mlx5hws_err(ctx, "Failed to create action dest match range");
return NULL;
}
struct mlx5hws_action *
mlx5hws_action_create_last(struct mlx5hws_context *ctx, u32 flags)
{
return hws_action_create_generic(ctx, flags, MLX5HWS_ACTION_TYP_LAST);
}
struct mlx5hws_action *
mlx5hws_action_create_flow_sampler(struct mlx5hws_context *ctx,
u32 sampler_id, u32 flags)
{
mlx5hws_err(ctx, "Flow sampler action - unsupported\n");
return NULL;
}
static void hws_action_destroy_hws(struct mlx5hws_action *action)
{
u32 ext_reformat_id;
bool shared_arg;
u32 obj_id;
u32 i;
switch (action->type) {
case MLX5HWS_ACTION_TYP_MISS:
case MLX5HWS_ACTION_TYP_TAG:
case MLX5HWS_ACTION_TYP_DROP:
case MLX5HWS_ACTION_TYP_CTR:
case MLX5HWS_ACTION_TYP_TBL:
case MLX5HWS_ACTION_TYP_REFORMAT_TNL_L2_TO_L2:
case MLX5HWS_ACTION_TYP_ASO_METER:
case MLX5HWS_ACTION_TYP_PUSH_VLAN:
case MLX5HWS_ACTION_TYP_REMOVE_HEADER:
case MLX5HWS_ACTION_TYP_VPORT:
hws_action_destroy_stcs(action);
break;
case MLX5HWS_ACTION_TYP_POP_VLAN:
hws_action_destroy_stcs(action);
hws_action_put_shared_stc(action, MLX5HWS_CONTEXT_SHARED_STC_DOUBLE_POP);
break;
case MLX5HWS_ACTION_TYP_DEST_ARRAY:
hws_action_destroy_stcs(action);
mlx5hws_cmd_forward_tbl_destroy(action->ctx->mdev, action->dest_array.fw_island);
for (i = 0; i < action->dest_array.num_dest; i++) {
ext_reformat_id = action->dest_array.dest_list[i].ext_reformat_id;
if (ext_reformat_id)
mlx5hws_cmd_packet_reformat_destroy(action->ctx->mdev,
ext_reformat_id);
}
kfree(action->dest_array.dest_list);
break;
case MLX5HWS_ACTION_TYP_REFORMAT_TNL_L3_TO_L2:
case MLX5HWS_ACTION_TYP_MODIFY_HDR:
shared_arg = false;
for (i = 0; i < action->modify_header.num_of_patterns; i++) {
hws_action_destroy_stcs(&action[i]);
if (action[i].modify_header.num_of_actions > 1) {
mlx5hws_pat_put_pattern(action[i].ctx,
action[i].modify_header.pat_id);
/* Save shared arg object to be freed after */
obj_id = action[i].modify_header.arg_id;
shared_arg = true;
}
}
if (shared_arg)
mlx5hws_arg_destroy(action->ctx, obj_id);
break;
case MLX5HWS_ACTION_TYP_REFORMAT_L2_TO_TNL_L3:
hws_action_put_shared_stc(action, MLX5HWS_CONTEXT_SHARED_STC_DECAP_L3);
for (i = 0; i < action->reformat.num_of_hdrs; i++)
hws_action_destroy_stcs(&action[i]);
mlx5hws_arg_destroy(action->ctx, action->reformat.arg_id);
break;
case MLX5HWS_ACTION_TYP_INSERT_HEADER:
case MLX5HWS_ACTION_TYP_REFORMAT_L2_TO_TNL_L2:
for (i = 0; i < action->reformat.num_of_hdrs; i++)
hws_action_destroy_stcs(&action[i]);
mlx5hws_arg_destroy(action->ctx, action->reformat.arg_id);
break;
case MLX5HWS_ACTION_TYP_RANGE:
hws_action_destroy_stcs(action);
hws_action_destroy_dest_match_range_table(action->ctx, action->range.table_ste);
mlx5hws_definer_free(action->ctx, action->range.definer);
mlx5hws_action_destroy(action->range.hit_ft_action);
break;
case MLX5HWS_ACTION_TYP_LAST:
break;
default:
pr_warn("HWS: Invalid action type: %d\n", action->type);
}
}
int mlx5hws_action_destroy(struct mlx5hws_action *action)
{
hws_action_destroy_hws(action);
kfree(action);
return 0;
}
int mlx5hws_action_get_default_stc(struct mlx5hws_context *ctx, u8 tbl_type)
__must_hold(&ctx->ctrl_lock)
{
struct mlx5hws_cmd_stc_modify_attr stc_attr = {0};
struct mlx5hws_action_default_stc *default_stc;
int ret;
if (ctx->common_res[tbl_type].default_stc) {
ctx->common_res[tbl_type].default_stc->refcount++;
return 0;
}
default_stc = kzalloc(sizeof(*default_stc), GFP_KERNEL);
if (!default_stc)
return -ENOMEM;
stc_attr.action_type = MLX5_IFC_STC_ACTION_TYPE_NOP;
stc_attr.action_offset = MLX5HWS_ACTION_OFFSET_DW0;
stc_attr.reparse_mode = MLX5_IFC_STC_REPARSE_IGNORE;
ret = mlx5hws_action_alloc_single_stc(ctx, &stc_attr, tbl_type,
&default_stc->nop_ctr);
if (ret) {
mlx5hws_err(ctx, "Failed to allocate default counter STC\n");
goto free_default_stc;
}
stc_attr.action_offset = MLX5HWS_ACTION_OFFSET_DW5;
ret = mlx5hws_action_alloc_single_stc(ctx, &stc_attr, tbl_type,
&default_stc->nop_dw5);
if (ret) {
mlx5hws_err(ctx, "Failed to allocate default NOP DW5 STC\n");
goto free_nop_ctr;
}
stc_attr.action_offset = MLX5HWS_ACTION_OFFSET_DW6;
ret = mlx5hws_action_alloc_single_stc(ctx, &stc_attr, tbl_type,
&default_stc->nop_dw6);
if (ret) {
mlx5hws_err(ctx, "Failed to allocate default NOP DW6 STC\n");
goto free_nop_dw5;
}
stc_attr.action_offset = MLX5HWS_ACTION_OFFSET_DW7;
ret = mlx5hws_action_alloc_single_stc(ctx, &stc_attr, tbl_type,
&default_stc->nop_dw7);
if (ret) {
mlx5hws_err(ctx, "Failed to allocate default NOP DW7 STC\n");
goto free_nop_dw6;
}
stc_attr.action_offset = MLX5HWS_ACTION_OFFSET_HIT;
stc_attr.action_type = MLX5_IFC_STC_ACTION_TYPE_ALLOW;
ret = mlx5hws_action_alloc_single_stc(ctx, &stc_attr, tbl_type,
&default_stc->default_hit);
if (ret) {
mlx5hws_err(ctx, "Failed to allocate default allow STC\n");
goto free_nop_dw7;
}
ctx->common_res[tbl_type].default_stc = default_stc;
ctx->common_res[tbl_type].default_stc->refcount++;
return 0;
free_nop_dw7:
mlx5hws_action_free_single_stc(ctx, tbl_type, &default_stc->nop_dw7);
free_nop_dw6:
mlx5hws_action_free_single_stc(ctx, tbl_type, &default_stc->nop_dw6);
free_nop_dw5:
mlx5hws_action_free_single_stc(ctx, tbl_type, &default_stc->nop_dw5);
free_nop_ctr:
mlx5hws_action_free_single_stc(ctx, tbl_type, &default_stc->nop_ctr);
free_default_stc:
kfree(default_stc);
return ret;
}
void mlx5hws_action_put_default_stc(struct mlx5hws_context *ctx, u8 tbl_type)
__must_hold(&ctx->ctrl_lock)
{
struct mlx5hws_action_default_stc *default_stc;
default_stc = ctx->common_res[tbl_type].default_stc;
default_stc = ctx->common_res[tbl_type].default_stc;
if (--default_stc->refcount)
return;
mlx5hws_action_free_single_stc(ctx, tbl_type, &default_stc->default_hit);
mlx5hws_action_free_single_stc(ctx, tbl_type, &default_stc->nop_dw7);
mlx5hws_action_free_single_stc(ctx, tbl_type, &default_stc->nop_dw6);
mlx5hws_action_free_single_stc(ctx, tbl_type, &default_stc->nop_dw5);
mlx5hws_action_free_single_stc(ctx, tbl_type, &default_stc->nop_ctr);
kfree(default_stc);
ctx->common_res[tbl_type].default_stc = NULL;
}
static void hws_action_modify_write(struct mlx5hws_send_engine *queue,
u32 arg_idx,
u8 *arg_data,
u16 num_of_actions,
u32 nope_locations)
{
u8 *new_arg_data = NULL;
int i, j;
if (unlikely(nope_locations)) {
new_arg_data = kcalloc(num_of_actions,
MLX5HWS_MODIFY_ACTION_SIZE, GFP_KERNEL);
if (unlikely(!new_arg_data))
return;
for (i = 0, j = 0; i < num_of_actions; i++, j++) {
memcpy(&new_arg_data[j], arg_data, MLX5HWS_MODIFY_ACTION_SIZE);
if (BIT(i) & nope_locations)
j++;
}
}
mlx5hws_arg_write(queue, NULL, arg_idx,
new_arg_data ? new_arg_data : arg_data,
num_of_actions * MLX5HWS_MODIFY_ACTION_SIZE);
kfree(new_arg_data);
}
void mlx5hws_action_prepare_decap_l3_data(u8 *src, u8 *dst, u16 num_of_actions)
{
u8 *e_src;
int i;
/* num_of_actions = remove l3l2 + 4/5 inserts + remove extra 2 bytes
* copy from end of src to the start of dst.
* move to the end, 2 is the leftover from 14B or 18B
*/
if (num_of_actions == DECAP_L3_NUM_ACTIONS_W_NO_VLAN)
e_src = src + MLX5HWS_ACTION_HDR_LEN_L2;
else
e_src = src + MLX5HWS_ACTION_HDR_LEN_L2_W_VLAN;
/* Move dst over the first remove action + zero data */
dst += MLX5HWS_ACTION_DOUBLE_SIZE;
/* Move dst over the first insert ctrl action */
dst += MLX5HWS_ACTION_DOUBLE_SIZE / 2;
/* Actions:
* no vlan: r_h-insert_4b-insert_4b-insert_4b-insert_4b-remove_2b.
* with vlan: r_h-insert_4b-insert_4b-insert_4b-insert_4b-insert_4b-remove_2b.
* the loop is without the last insertion.
*/
for (i = 0; i < num_of_actions - 3; i++) {
e_src -= MLX5HWS_ACTION_INLINE_DATA_SIZE;
memcpy(dst, e_src, MLX5HWS_ACTION_INLINE_DATA_SIZE); /* data */
dst += MLX5HWS_ACTION_DOUBLE_SIZE;
}
/* Copy the last 2 bytes after a gap of 2 bytes which will be removed */
e_src -= MLX5HWS_ACTION_INLINE_DATA_SIZE / 2;
dst += MLX5HWS_ACTION_INLINE_DATA_SIZE / 2;
memcpy(dst, e_src, 2);
}
static int
hws_action_get_shared_stc_offset(struct mlx5hws_context_common_res *common_res,
enum mlx5hws_context_shared_stc_type stc_type)
{
return common_res->shared_stc[stc_type]->stc_chunk.offset;
}
static struct mlx5hws_actions_wqe_setter *
hws_action_setter_find_first(struct mlx5hws_actions_wqe_setter *setter,
u8 req_flags)
{
/* Use a new setter if requested flags are taken */
while (setter->flags & req_flags)
setter++;
/* Use current setter in required flags are not used */
return setter;
}
static void
hws_action_apply_stc(struct mlx5hws_actions_apply_data *apply,
enum mlx5hws_action_stc_idx stc_idx,
u8 action_idx)
{
struct mlx5hws_action *action = apply->rule_action[action_idx].action;
apply->wqe_ctrl->stc_ix[stc_idx] =
htonl(action->stc[apply->tbl_type].offset);
}
static void
hws_action_setter_push_vlan(struct mlx5hws_actions_apply_data *apply,
struct mlx5hws_actions_wqe_setter *setter)
{
struct mlx5hws_rule_action *rule_action;
rule_action = &apply->rule_action[setter->idx_double];
apply->wqe_data[MLX5HWS_ACTION_OFFSET_DW6] = 0;
apply->wqe_data[MLX5HWS_ACTION_OFFSET_DW7] = rule_action->push_vlan.vlan_hdr;
hws_action_apply_stc(apply, MLX5HWS_ACTION_STC_IDX_DW6, setter->idx_double);
apply->wqe_ctrl->stc_ix[MLX5HWS_ACTION_STC_IDX_DW7] = 0;
}
static void
hws_action_setter_modify_header(struct mlx5hws_actions_apply_data *apply,
struct mlx5hws_actions_wqe_setter *setter)
{
struct mlx5hws_rule_action *rule_action;
struct mlx5hws_action *action;
u32 arg_sz, arg_idx;
u8 *single_action;
__be32 stc_idx;
rule_action = &apply->rule_action[setter->idx_double];
action = rule_action->action;
stc_idx = htonl(action->stc[apply->tbl_type].offset);
apply->wqe_ctrl->stc_ix[MLX5HWS_ACTION_STC_IDX_DW6] = stc_idx;
apply->wqe_ctrl->stc_ix[MLX5HWS_ACTION_STC_IDX_DW7] = 0;
apply->wqe_data[MLX5HWS_ACTION_OFFSET_DW6] = 0;
if (action->modify_header.num_of_actions == 1) {
if (action->modify_header.single_action_type ==
MLX5_MODIFICATION_TYPE_COPY ||
action->modify_header.single_action_type ==
MLX5_MODIFICATION_TYPE_ADD_FIELD) {
apply->wqe_data[MLX5HWS_ACTION_OFFSET_DW7] = 0;
return;
}
if (action->flags & MLX5HWS_ACTION_FLAG_SHARED)
single_action = (u8 *)&action->modify_header.single_action;
else
single_action = rule_action->modify_header.data;
apply->wqe_data[MLX5HWS_ACTION_OFFSET_DW7] =
*(__be32 *)MLX5_ADDR_OF(set_action_in, single_action, data);
} else {
/* Argument offset multiple with number of args per these actions */
arg_sz = mlx5hws_arg_get_arg_size(action->modify_header.max_num_of_actions);
arg_idx = rule_action->modify_header.offset * arg_sz;
apply->wqe_data[MLX5HWS_ACTION_OFFSET_DW7] = htonl(arg_idx);
if (!(action->flags & MLX5HWS_ACTION_FLAG_SHARED)) {
apply->require_dep = 1;
hws_action_modify_write(apply->queue,
action->modify_header.arg_id + arg_idx,
rule_action->modify_header.data,
action->modify_header.num_of_actions,
action->modify_header.nope_locations);
}
}
}
static void
hws_action_setter_insert_ptr(struct mlx5hws_actions_apply_data *apply,
struct mlx5hws_actions_wqe_setter *setter)
{
struct mlx5hws_rule_action *rule_action;
struct mlx5hws_action *action;
u32 arg_idx, arg_sz;
__be32 stc_idx;
rule_action = &apply->rule_action[setter->idx_double];
action = rule_action->action + rule_action->reformat.hdr_idx;
/* Argument offset multiple on args required for header size */
arg_sz = mlx5hws_arg_data_size_to_arg_size(action->reformat.max_hdr_sz);
arg_idx = rule_action->reformat.offset * arg_sz;
apply->wqe_data[MLX5HWS_ACTION_OFFSET_DW6] = 0;
apply->wqe_data[MLX5HWS_ACTION_OFFSET_DW7] = htonl(arg_idx);
stc_idx = htonl(action->stc[apply->tbl_type].offset);
apply->wqe_ctrl->stc_ix[MLX5HWS_ACTION_STC_IDX_DW6] = stc_idx;
apply->wqe_ctrl->stc_ix[MLX5HWS_ACTION_STC_IDX_DW7] = 0;
if (!(action->flags & MLX5HWS_ACTION_FLAG_SHARED)) {
apply->require_dep = 1;
mlx5hws_arg_write(apply->queue, NULL,
action->reformat.arg_id + arg_idx,
rule_action->reformat.data,
action->reformat.header_size);
}
}
static void
hws_action_setter_tnl_l3_to_l2(struct mlx5hws_actions_apply_data *apply,
struct mlx5hws_actions_wqe_setter *setter)
{
struct mlx5hws_rule_action *rule_action;
struct mlx5hws_action *action;
u32 arg_sz, arg_idx;
__be32 stc_idx;
rule_action = &apply->rule_action[setter->idx_double];
action = rule_action->action + rule_action->reformat.hdr_idx;
/* Argument offset multiple on args required for num of actions */
arg_sz = mlx5hws_arg_get_arg_size(action->modify_header.max_num_of_actions);
arg_idx = rule_action->reformat.offset * arg_sz;
apply->wqe_data[MLX5HWS_ACTION_OFFSET_DW6] = 0;
apply->wqe_data[MLX5HWS_ACTION_OFFSET_DW7] = htonl(arg_idx);
stc_idx = htonl(action->stc[apply->tbl_type].offset);
apply->wqe_ctrl->stc_ix[MLX5HWS_ACTION_STC_IDX_DW6] = stc_idx;
apply->wqe_ctrl->stc_ix[MLX5HWS_ACTION_STC_IDX_DW7] = 0;
if (!(action->flags & MLX5HWS_ACTION_FLAG_SHARED)) {
apply->require_dep = 1;
mlx5hws_arg_decapl3_write(apply->queue,
action->modify_header.arg_id + arg_idx,
rule_action->reformat.data,
action->modify_header.num_of_actions);
}
}
static void
hws_action_setter_aso(struct mlx5hws_actions_apply_data *apply,
struct mlx5hws_actions_wqe_setter *setter)
{
struct mlx5hws_rule_action *rule_action;
u32 exe_aso_ctrl;
u32 offset;
rule_action = &apply->rule_action[setter->idx_double];
switch (rule_action->action->type) {
case MLX5HWS_ACTION_TYP_ASO_METER:
/* exe_aso_ctrl format:
* [STC only and reserved bits 29b][init_color 2b][meter_id 1b]
*/
offset = rule_action->aso_meter.offset / MLX5_ASO_METER_NUM_PER_OBJ;
exe_aso_ctrl = rule_action->aso_meter.offset % MLX5_ASO_METER_NUM_PER_OBJ;
exe_aso_ctrl |= rule_action->aso_meter.init_color <<
MLX5HWS_ACTION_METER_INIT_COLOR_OFFSET;
break;
default:
mlx5hws_err(rule_action->action->ctx,
"Unsupported ASO action type: %d\n", rule_action->action->type);
return;
}
/* aso_object_offset format: [24B] */
apply->wqe_data[MLX5HWS_ACTION_OFFSET_DW6] = htonl(offset);
apply->wqe_data[MLX5HWS_ACTION_OFFSET_DW7] = htonl(exe_aso_ctrl);
hws_action_apply_stc(apply, MLX5HWS_ACTION_STC_IDX_DW6, setter->idx_double);
apply->wqe_ctrl->stc_ix[MLX5HWS_ACTION_STC_IDX_DW7] = 0;
}
static void
hws_action_setter_tag(struct mlx5hws_actions_apply_data *apply,
struct mlx5hws_actions_wqe_setter *setter)
{
struct mlx5hws_rule_action *rule_action;
rule_action = &apply->rule_action[setter->idx_single];
apply->wqe_data[MLX5HWS_ACTION_OFFSET_DW5] = htonl(rule_action->tag.value);
hws_action_apply_stc(apply, MLX5HWS_ACTION_STC_IDX_DW5, setter->idx_single);
}
static void
hws_action_setter_ctrl_ctr(struct mlx5hws_actions_apply_data *apply,
struct mlx5hws_actions_wqe_setter *setter)
{
struct mlx5hws_rule_action *rule_action;
rule_action = &apply->rule_action[setter->idx_ctr];
apply->wqe_data[MLX5HWS_ACTION_OFFSET_DW0] = htonl(rule_action->counter.offset);
hws_action_apply_stc(apply, MLX5HWS_ACTION_STC_IDX_CTRL, setter->idx_ctr);
}
static void
hws_action_setter_single(struct mlx5hws_actions_apply_data *apply,
struct mlx5hws_actions_wqe_setter *setter)
{
apply->wqe_data[MLX5HWS_ACTION_OFFSET_DW5] = 0;
hws_action_apply_stc(apply, MLX5HWS_ACTION_STC_IDX_DW5, setter->idx_single);
}
static void
hws_action_setter_single_double_pop(struct mlx5hws_actions_apply_data *apply,
struct mlx5hws_actions_wqe_setter *setter)
{
apply->wqe_data[MLX5HWS_ACTION_OFFSET_DW5] = 0;
apply->wqe_ctrl->stc_ix[MLX5HWS_ACTION_STC_IDX_DW5] =
htonl(hws_action_get_shared_stc_offset(apply->common_res,
MLX5HWS_CONTEXT_SHARED_STC_DOUBLE_POP));
}
static void
hws_action_setter_hit(struct mlx5hws_actions_apply_data *apply,
struct mlx5hws_actions_wqe_setter *setter)
{
apply->wqe_data[MLX5HWS_ACTION_OFFSET_HIT_LSB] = 0;
hws_action_apply_stc(apply, MLX5HWS_ACTION_STC_IDX_HIT, setter->idx_hit);
}
static void
hws_action_setter_default_hit(struct mlx5hws_actions_apply_data *apply,
struct mlx5hws_actions_wqe_setter *setter)
{
apply->wqe_data[MLX5HWS_ACTION_OFFSET_HIT_LSB] = 0;
apply->wqe_ctrl->stc_ix[MLX5HWS_ACTION_STC_IDX_HIT] =
htonl(apply->common_res->default_stc->default_hit.offset);
}
static void
hws_action_setter_hit_next_action(struct mlx5hws_actions_apply_data *apply,
struct mlx5hws_actions_wqe_setter *setter)
{
apply->wqe_data[MLX5HWS_ACTION_OFFSET_HIT_LSB] = htonl(apply->next_direct_idx << 6);
apply->wqe_ctrl->stc_ix[MLX5HWS_ACTION_STC_IDX_HIT] = htonl(apply->jump_to_action_stc);
}
static void
hws_action_setter_common_decap(struct mlx5hws_actions_apply_data *apply,
struct mlx5hws_actions_wqe_setter *setter)
{
apply->wqe_data[MLX5HWS_ACTION_OFFSET_DW5] = 0;
apply->wqe_ctrl->stc_ix[MLX5HWS_ACTION_STC_IDX_DW5] =
htonl(hws_action_get_shared_stc_offset(apply->common_res,
MLX5HWS_CONTEXT_SHARED_STC_DECAP_L3));
}
static void
hws_action_setter_range(struct mlx5hws_actions_apply_data *apply,
struct mlx5hws_actions_wqe_setter *setter)
{
/* Always jump to index zero */
apply->wqe_data[MLX5HWS_ACTION_OFFSET_HIT_LSB] = 0;
hws_action_apply_stc(apply, MLX5HWS_ACTION_STC_IDX_HIT, setter->idx_hit);
}
int mlx5hws_action_template_process(struct mlx5hws_action_template *at)
{
struct mlx5hws_actions_wqe_setter *start_setter = at->setters + 1;
enum mlx5hws_action_type *action_type = at->action_type_arr;
struct mlx5hws_actions_wqe_setter *setter = at->setters;
struct mlx5hws_actions_wqe_setter *pop_setter = NULL;
struct mlx5hws_actions_wqe_setter *last_setter;
int i;
/* Note: Given action combination must be valid */
/* Check if action were already processed */
if (at->num_of_action_stes)
return 0;
for (i = 0; i < MLX5HWS_ACTION_MAX_STE; i++)
setter[i].set_hit = &hws_action_setter_hit_next_action;
/* The same action template setters can be used with jumbo or match
* STE, to support both cases we reserve the first setter for cases
* with jumbo STE to allow jump to the first action STE.
* This extra setter can be reduced in some cases on rule creation.
*/
setter = start_setter;
last_setter = start_setter;
for (i = 0; i < at->num_actions; i++) {
switch (action_type[i]) {
case MLX5HWS_ACTION_TYP_DROP:
case MLX5HWS_ACTION_TYP_TBL:
case MLX5HWS_ACTION_TYP_DEST_ARRAY:
case MLX5HWS_ACTION_TYP_VPORT:
case MLX5HWS_ACTION_TYP_MISS:
/* Hit action */
last_setter->flags |= ASF_HIT;
last_setter->set_hit = &hws_action_setter_hit;
last_setter->idx_hit = i;
break;
case MLX5HWS_ACTION_TYP_RANGE:
last_setter->flags |= ASF_HIT;
last_setter->set_hit = &hws_action_setter_range;
last_setter->idx_hit = i;
break;
case MLX5HWS_ACTION_TYP_POP_VLAN:
/* Single remove header to header */
if (pop_setter) {
/* We have 2 pops, use the shared */
pop_setter->set_single = &hws_action_setter_single_double_pop;
break;
}
setter = hws_action_setter_find_first(last_setter,
ASF_SINGLE1 | ASF_MODIFY |
ASF_INSERT);
setter->flags |= ASF_SINGLE1 | ASF_REMOVE;
setter->set_single = &hws_action_setter_single;
setter->idx_single = i;
pop_setter = setter;
break;
case MLX5HWS_ACTION_TYP_PUSH_VLAN:
/* Double insert inline */
setter = hws_action_setter_find_first(last_setter, ASF_DOUBLE | ASF_REMOVE);
setter->flags |= ASF_DOUBLE | ASF_INSERT;
setter->set_double = &hws_action_setter_push_vlan;
setter->idx_double = i;
break;
case MLX5HWS_ACTION_TYP_MODIFY_HDR:
/* Double modify header list */
setter = hws_action_setter_find_first(last_setter, ASF_DOUBLE | ASF_REMOVE);
setter->flags |= ASF_DOUBLE | ASF_MODIFY;
setter->set_double = &hws_action_setter_modify_header;
setter->idx_double = i;
break;
case MLX5HWS_ACTION_TYP_ASO_METER:
/* Double ASO action */
setter = hws_action_setter_find_first(last_setter, ASF_DOUBLE);
setter->flags |= ASF_DOUBLE;
setter->set_double = &hws_action_setter_aso;
setter->idx_double = i;
break;
case MLX5HWS_ACTION_TYP_REMOVE_HEADER:
case MLX5HWS_ACTION_TYP_REFORMAT_TNL_L2_TO_L2:
/* Single remove header to header */
setter = hws_action_setter_find_first(last_setter,
ASF_SINGLE1 | ASF_MODIFY);
setter->flags |= ASF_SINGLE1 | ASF_REMOVE;
setter->set_single = &hws_action_setter_single;
setter->idx_single = i;
break;
case MLX5HWS_ACTION_TYP_INSERT_HEADER:
case MLX5HWS_ACTION_TYP_REFORMAT_L2_TO_TNL_L2:
/* Double insert header with pointer */
setter = hws_action_setter_find_first(last_setter, ASF_DOUBLE | ASF_REMOVE);
setter->flags |= ASF_DOUBLE | ASF_INSERT;
setter->set_double = &hws_action_setter_insert_ptr;
setter->idx_double = i;
break;
case MLX5HWS_ACTION_TYP_REFORMAT_L2_TO_TNL_L3:
/* Single remove + Double insert header with pointer */
setter = hws_action_setter_find_first(last_setter,
ASF_SINGLE1 | ASF_DOUBLE);
setter->flags |= ASF_SINGLE1 | ASF_DOUBLE;
setter->set_double = &hws_action_setter_insert_ptr;
setter->idx_double = i;
setter->set_single = &hws_action_setter_common_decap;
setter->idx_single = i;
break;
case MLX5HWS_ACTION_TYP_REFORMAT_TNL_L3_TO_L2:
/* Double modify header list with remove and push inline */
setter = hws_action_setter_find_first(last_setter, ASF_DOUBLE | ASF_REMOVE);
setter->flags |= ASF_DOUBLE | ASF_MODIFY | ASF_INSERT;
setter->set_double = &hws_action_setter_tnl_l3_to_l2;
setter->idx_double = i;
break;
case MLX5HWS_ACTION_TYP_TAG:
/* Single TAG action, search for any room from the start */
setter = hws_action_setter_find_first(start_setter, ASF_SINGLE1);
setter->flags |= ASF_SINGLE1;
setter->set_single = &hws_action_setter_tag;
setter->idx_single = i;
break;
case MLX5HWS_ACTION_TYP_CTR:
/* Control counter action
* TODO: Current counter executed first. Support is needed
* for single ation counter action which is done last.
* Example: Decap + CTR
*/
setter = hws_action_setter_find_first(start_setter, ASF_CTR);
setter->flags |= ASF_CTR;
setter->set_ctr = &hws_action_setter_ctrl_ctr;
setter->idx_ctr = i;
break;
default:
pr_warn("HWS: Invalid action type in processingaction template: action_type[%d]=%d\n",
i, action_type[i]);
return -EOPNOTSUPP;
}
last_setter = max(setter, last_setter);
}
/* Set default hit on the last STE if no hit action provided */
if (!(last_setter->flags & ASF_HIT))
last_setter->set_hit = &hws_action_setter_default_hit;
at->num_of_action_stes = last_setter - start_setter + 1;
/* Check if action template doesn't require any action DWs */
at->only_term = (at->num_of_action_stes == 1) &&
!(last_setter->flags & ~(ASF_CTR | ASF_HIT));
return 0;
}
struct mlx5hws_action_template *
mlx5hws_action_template_create(enum mlx5hws_action_type action_type[])
{
struct mlx5hws_action_template *at;
u8 num_actions = 0;
int i;
at = kzalloc(sizeof(*at), GFP_KERNEL);
if (!at)
return NULL;
while (action_type[num_actions++] != MLX5HWS_ACTION_TYP_LAST)
;
at->num_actions = num_actions - 1;
at->action_type_arr = kcalloc(num_actions, sizeof(*action_type), GFP_KERNEL);
if (!at->action_type_arr)
goto free_at;
for (i = 0; i < num_actions; i++)
at->action_type_arr[i] = action_type[i];
return at;
free_at:
kfree(at);
return NULL;
}
int mlx5hws_action_template_destroy(struct mlx5hws_action_template *at)
{
kfree(at->action_type_arr);
kfree(at);
return 0;
}
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