From: Jianbo Liu <jian...@nvidia.com>

mlx5dr_action is a generally used data structure, and there is an
union for different types of actions in it. The size of mlx5dr_action
is about 72 bytes, but for those actions with fewer fields, most of
the allocated memory is wasted.
Remove this union, and mlx5dr_action becomes a generic action header.
Then actions are dynamically allocated with needed memory, the data
for each action is stored right after the header.

Signed-off-by: Jianbo Liu <jian...@nvidia.com>
Signed-off-by: Saeed Mahameed <sae...@nvidia.com>
---
 .../mellanox/mlx5/core/steering/dr_action.c   | 242 ++++++++++--------
 .../mellanox/mlx5/core/steering/dr_send.c     |   8 +-
 .../mellanox/mlx5/core/steering/dr_table.c    |   4 +-
 .../mellanox/mlx5/core/steering/dr_types.h    | 104 ++++----
 4 files changed, 199 insertions(+), 159 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c 
b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
index 28a7971cac6a..949879cf2092 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
@@ -313,8 +313,8 @@ static int dr_action_handle_cs_recalc(struct mlx5dr_domain 
*dmn,
                 * table, since there is an *assumption* that in such case FW
                 * will recalculate the CS.
                 */
-               if (dest_action->dest_tbl.is_fw_tbl) {
-                       *final_icm_addr = 
dest_action->dest_tbl.fw_tbl.rx_icm_addr;
+               if (dest_action->dest_tbl->is_fw_tbl) {
+                       *final_icm_addr = 
dest_action->dest_tbl->fw_tbl.rx_icm_addr;
                } else {
                        mlx5dr_dbg(dmn,
                                   "Destination FT should be terminating when 
modify TTL is used\n");
@@ -326,8 +326,8 @@ static int dr_action_handle_cs_recalc(struct mlx5dr_domain 
*dmn,
                /* If destination is vport we will get the FW flow table
                 * that recalculates the CS and forwards to the vport.
                 */
-               ret = 
mlx5dr_domain_cache_get_recalc_cs_ft_addr(dest_action->vport.dmn,
-                                                               
dest_action->vport.caps->num,
+               ret = 
mlx5dr_domain_cache_get_recalc_cs_ft_addr(dest_action->vport->dmn,
+                                                               
dest_action->vport->caps->num,
                                                                final_icm_addr);
                if (ret) {
                        mlx5dr_err(dmn, "Failed to get FW cs recalc flow 
table\n");
@@ -369,6 +369,7 @@ int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher 
*matcher,
        action_domain = dr_action_get_action_domain(dmn->type, 
nic_dmn->ste_type);
 
        for (i = 0; i < num_actions; i++) {
+               struct mlx5dr_action_dest_tbl *dest_tbl;
                struct mlx5dr_action *action;
                int max_actions_type = 1;
                u32 action_type;
@@ -382,37 +383,38 @@ int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher 
*matcher,
                        break;
                case DR_ACTION_TYP_FT:
                        dest_action = action;
-                       if (!action->dest_tbl.is_fw_tbl) {
-                               if (action->dest_tbl.tbl->dmn != dmn) {
+                       dest_tbl = action->dest_tbl;
+                       if (!dest_tbl->is_fw_tbl) {
+                               if (dest_tbl->tbl->dmn != dmn) {
                                        mlx5dr_err(dmn,
                                                   "Destination table belongs 
to a different domain\n");
                                        goto out_invalid_arg;
                                }
-                               if (action->dest_tbl.tbl->level <= 
matcher->tbl->level) {
+                               if (dest_tbl->tbl->level <= 
matcher->tbl->level) {
                                        mlx5_core_warn_once(dmn->mdev,
                                                            "Connecting table 
to a lower/same level destination table\n");
                                        mlx5dr_dbg(dmn,
                                                   "Connecting table at level 
%d to a destination table at level %d\n",
                                                   matcher->tbl->level,
-                                                  action->dest_tbl.tbl->level);
+                                                  dest_tbl->tbl->level);
                                }
                                attr.final_icm_addr = rx_rule ?
-                                       
action->dest_tbl.tbl->rx.s_anchor->chunk->icm_addr :
-                                       
action->dest_tbl.tbl->tx.s_anchor->chunk->icm_addr;
+                                       
dest_tbl->tbl->rx.s_anchor->chunk->icm_addr :
+                                       
dest_tbl->tbl->tx.s_anchor->chunk->icm_addr;
                        } else {
                                struct mlx5dr_cmd_query_flow_table_details 
output;
                                int ret;
 
                                /* get the relevant addresses */
-                               if (!action->dest_tbl.fw_tbl.rx_icm_addr) {
+                               if (!action->dest_tbl->fw_tbl.rx_icm_addr) {
                                        ret = 
mlx5dr_cmd_query_flow_table(dmn->mdev,
-                                                                         
action->dest_tbl.fw_tbl.type,
-                                                                         
action->dest_tbl.fw_tbl.id,
+                                                                         
dest_tbl->fw_tbl.type,
+                                                                         
dest_tbl->fw_tbl.id,
                                                                          
&output);
                                        if (!ret) {
-                                               
action->dest_tbl.fw_tbl.tx_icm_addr =
+                                               dest_tbl->fw_tbl.tx_icm_addr =
                                                        
output.sw_owner_icm_root_1;
-                                               
action->dest_tbl.fw_tbl.rx_icm_addr =
+                                               dest_tbl->fw_tbl.rx_icm_addr =
                                                        
output.sw_owner_icm_root_0;
                                        } else {
                                                mlx5dr_err(dmn,
@@ -422,50 +424,50 @@ int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher 
*matcher,
                                        }
                                }
                                attr.final_icm_addr = rx_rule ?
-                                       action->dest_tbl.fw_tbl.rx_icm_addr :
-                                       action->dest_tbl.fw_tbl.tx_icm_addr;
+                                       dest_tbl->fw_tbl.rx_icm_addr :
+                                       dest_tbl->fw_tbl.tx_icm_addr;
                        }
                        break;
                case DR_ACTION_TYP_QP:
                        mlx5dr_info(dmn, "Domain doesn't support QP\n");
                        goto out_invalid_arg;
                case DR_ACTION_TYP_CTR:
-                       attr.ctr_id = action->ctr.ctr_id +
-                               action->ctr.offeset;
+                       attr.ctr_id = action->ctr->ctr_id +
+                               action->ctr->offeset;
                        break;
                case DR_ACTION_TYP_TAG:
-                       attr.flow_tag = action->flow_tag;
+                       attr.flow_tag = action->flow_tag->flow_tag;
                        break;
                case DR_ACTION_TYP_TNL_L2_TO_L2:
                        break;
                case DR_ACTION_TYP_TNL_L3_TO_L2:
-                       attr.decap_index = action->rewrite.index;
-                       attr.decap_actions = action->rewrite.num_of_actions;
+                       attr.decap_index = action->rewrite->index;
+                       attr.decap_actions = action->rewrite->num_of_actions;
                        attr.decap_with_vlan =
                                attr.decap_actions == WITH_VLAN_NUM_HW_ACTIONS;
                        break;
                case DR_ACTION_TYP_MODIFY_HDR:
-                       attr.modify_index = action->rewrite.index;
-                       attr.modify_actions = action->rewrite.num_of_actions;
-                       recalc_cs_required = action->rewrite.modify_ttl &&
+                       attr.modify_index = action->rewrite->index;
+                       attr.modify_actions = action->rewrite->num_of_actions;
+                       recalc_cs_required = action->rewrite->modify_ttl &&
                                             
!mlx5dr_ste_supp_ttl_cs_recalc(&dmn->info.caps);
                        break;
                case DR_ACTION_TYP_L2_TO_TNL_L2:
                case DR_ACTION_TYP_L2_TO_TNL_L3:
-                       attr.reformat_size = action->reformat.reformat_size;
-                       attr.reformat_id = action->reformat.reformat_id;
+                       attr.reformat_size = action->reformat->reformat_size;
+                       attr.reformat_id = action->reformat->reformat_id;
                        break;
                case DR_ACTION_TYP_VPORT:
-                       attr.hit_gvmi = action->vport.caps->vhca_gvmi;
+                       attr.hit_gvmi = action->vport->caps->vhca_gvmi;
                        dest_action = action;
                        if (rx_rule) {
                                /* Loopback on WIRE vport is not supported */
-                               if (action->vport.caps->num == WIRE_PORT)
+                               if (action->vport->caps->num == WIRE_PORT)
                                        goto out_invalid_arg;
 
-                               attr.final_icm_addr = 
action->vport.caps->icm_address_rx;
+                               attr.final_icm_addr = 
action->vport->caps->icm_address_rx;
                        } else {
-                               attr.final_icm_addr = 
action->vport.caps->icm_address_tx;
+                               attr.final_icm_addr = 
action->vport->caps->icm_address_tx;
                        }
                        break;
                case DR_ACTION_TYP_POP_VLAN:
@@ -477,7 +479,7 @@ int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher 
*matcher,
                        if (attr.vlans.count == MLX5DR_MAX_VLANS)
                                return -EINVAL;
 
-                       attr.vlans.headers[attr.vlans.count++] = 
action->push_vlan.vlan_hdr;
+                       attr.vlans.headers[attr.vlans.count++] = 
action->push_vlan->vlan_hdr;
                        break;
                default:
                        goto out_invalid_arg;
@@ -530,17 +532,37 @@ int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher 
*matcher,
        return -EINVAL;
 }
 
+static unsigned int action_size[DR_ACTION_TYP_MAX] = {
+       [DR_ACTION_TYP_TNL_L2_TO_L2] = sizeof(struct mlx5dr_action_reformat),
+       [DR_ACTION_TYP_L2_TO_TNL_L2] = sizeof(struct mlx5dr_action_reformat),
+       [DR_ACTION_TYP_TNL_L3_TO_L2] = sizeof(struct mlx5dr_action_rewrite),
+       [DR_ACTION_TYP_L2_TO_TNL_L3] = sizeof(struct mlx5dr_action_reformat),
+       [DR_ACTION_TYP_FT]           = sizeof(struct mlx5dr_action_dest_tbl),
+       [DR_ACTION_TYP_CTR]          = sizeof(struct mlx5dr_action_ctr),
+       [DR_ACTION_TYP_TAG]          = sizeof(struct mlx5dr_action_flow_tag),
+       [DR_ACTION_TYP_MODIFY_HDR]   = sizeof(struct mlx5dr_action_rewrite),
+       [DR_ACTION_TYP_VPORT]        = sizeof(struct mlx5dr_action_vport),
+       [DR_ACTION_TYP_PUSH_VLAN]    = sizeof(struct mlx5dr_action_push_vlan),
+};
+
 static struct mlx5dr_action *
 dr_action_create_generic(enum mlx5dr_action_type action_type)
 {
        struct mlx5dr_action *action;
+       int extra_size;
+
+       if (action_type < DR_ACTION_TYP_MAX)
+               extra_size = action_size[action_type];
+       else
+               return NULL;
 
-       action = kzalloc(sizeof(*action), GFP_KERNEL);
+       action = kzalloc(sizeof(*action) + extra_size, GFP_KERNEL);
        if (!action)
                return NULL;
 
        action->action_type = action_type;
        refcount_set(&action->refcount, 1);
+       action->data = action + 1;
 
        return action;
 }
@@ -559,10 +581,10 @@ mlx5dr_action_create_dest_table_num(struct mlx5dr_domain 
*dmn, u32 table_num)
        if (!action)
                return NULL;
 
-       action->dest_tbl.is_fw_tbl = true;
-       action->dest_tbl.fw_tbl.dmn = dmn;
-       action->dest_tbl.fw_tbl.id = table_num;
-       action->dest_tbl.fw_tbl.type = FS_FT_FDB;
+       action->dest_tbl->is_fw_tbl = true;
+       action->dest_tbl->fw_tbl.dmn = dmn;
+       action->dest_tbl->fw_tbl.id = table_num;
+       action->dest_tbl->fw_tbl.type = FS_FT_FDB;
        refcount_inc(&dmn->refcount);
 
        return action;
@@ -579,7 +601,7 @@ mlx5dr_action_create_dest_table(struct mlx5dr_table *tbl)
        if (!action)
                goto dec_ref;
 
-       action->dest_tbl.tbl = tbl;
+       action->dest_tbl->tbl = tbl;
 
        return action;
 
@@ -624,12 +646,12 @@ mlx5dr_action_create_mult_dest_tbl(struct mlx5dr_domain 
*dmn,
                case DR_ACTION_TYP_VPORT:
                        hw_dests[i].vport.flags = MLX5_FLOW_DEST_VPORT_VHCA_ID;
                        hw_dests[i].type = MLX5_FLOW_DESTINATION_TYPE_VPORT;
-                       hw_dests[i].vport.num = dest_action->vport.caps->num;
-                       hw_dests[i].vport.vhca_id = 
dest_action->vport.caps->vhca_gvmi;
+                       hw_dests[i].vport.num = dest_action->vport->caps->num;
+                       hw_dests[i].vport.vhca_id = 
dest_action->vport->caps->vhca_gvmi;
                        if (reformat_action) {
                                reformat_req = true;
                                hw_dests[i].vport.reformat_id =
-                                       reformat_action->reformat.reformat_id;
+                                       reformat_action->reformat->reformat_id;
                                ref_actions[num_of_ref++] = reformat_action;
                                hw_dests[i].vport.flags |= 
MLX5_FLOW_DEST_VPORT_REFORMAT_ID;
                        }
@@ -637,10 +659,10 @@ mlx5dr_action_create_mult_dest_tbl(struct mlx5dr_domain 
*dmn,
 
                case DR_ACTION_TYP_FT:
                        hw_dests[i].type = 
MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
-                       if (dest_action->dest_tbl.is_fw_tbl)
-                               hw_dests[i].ft_id = 
dest_action->dest_tbl.fw_tbl.id;
+                       if (dest_action->dest_tbl->is_fw_tbl)
+                               hw_dests[i].ft_id = 
dest_action->dest_tbl->fw_tbl.id;
                        else
-                               hw_dests[i].ft_id = 
dest_action->dest_tbl.tbl->table_id;
+                               hw_dests[i].ft_id = 
dest_action->dest_tbl->tbl->table_id;
                        break;
 
                default:
@@ -657,8 +679,8 @@ mlx5dr_action_create_mult_dest_tbl(struct mlx5dr_domain 
*dmn,
                                      hw_dests,
                                      num_of_dests,
                                      reformat_req,
-                                     &action->dest_tbl.fw_tbl.id,
-                                     &action->dest_tbl.fw_tbl.group_id);
+                                     &action->dest_tbl->fw_tbl.id,
+                                     &action->dest_tbl->fw_tbl.group_id);
        if (ret)
                goto free_action;
 
@@ -667,11 +689,11 @@ mlx5dr_action_create_mult_dest_tbl(struct mlx5dr_domain 
*dmn,
        for (i = 0; i < num_of_ref; i++)
                refcount_inc(&ref_actions[i]->refcount);
 
-       action->dest_tbl.is_fw_tbl = true;
-       action->dest_tbl.fw_tbl.dmn = dmn;
-       action->dest_tbl.fw_tbl.type = FS_FT_FDB;
-       action->dest_tbl.fw_tbl.ref_actions = ref_actions;
-       action->dest_tbl.fw_tbl.num_of_ref_actions = num_of_ref;
+       action->dest_tbl->is_fw_tbl = true;
+       action->dest_tbl->fw_tbl.dmn = dmn;
+       action->dest_tbl->fw_tbl.type = FS_FT_FDB;
+       action->dest_tbl->fw_tbl.ref_actions = ref_actions;
+       action->dest_tbl->fw_tbl.num_of_ref_actions = num_of_ref;
 
        kfree(hw_dests);
 
@@ -696,10 +718,10 @@ mlx5dr_action_create_dest_flow_fw_table(struct 
mlx5dr_domain *dmn,
        if (!action)
                return NULL;
 
-       action->dest_tbl.is_fw_tbl = 1;
-       action->dest_tbl.fw_tbl.type = ft->type;
-       action->dest_tbl.fw_tbl.id = ft->id;
-       action->dest_tbl.fw_tbl.dmn = dmn;
+       action->dest_tbl->is_fw_tbl = 1;
+       action->dest_tbl->fw_tbl.type = ft->type;
+       action->dest_tbl->fw_tbl.id = ft->id;
+       action->dest_tbl->fw_tbl.dmn = dmn;
 
        refcount_inc(&dmn->refcount);
 
@@ -715,7 +737,7 @@ mlx5dr_action_create_flow_counter(u32 counter_id)
        if (!action)
                return NULL;
 
-       action->ctr.ctr_id = counter_id;
+       action->ctr->ctr_id = counter_id;
 
        return action;
 }
@@ -728,7 +750,7 @@ struct mlx5dr_action *mlx5dr_action_create_tag(u32 
tag_value)
        if (!action)
                return NULL;
 
-       action->flow_tag = tag_value & 0xffffff;
+       action->flow_tag->flow_tag = tag_value & 0xffffff;
 
        return action;
 }
@@ -794,8 +816,8 @@ dr_action_create_reformat_action(struct mlx5dr_domain *dmn,
                if (ret)
                        return ret;
 
-               action->reformat.reformat_id = reformat_id;
-               action->reformat.reformat_size = data_sz;
+               action->reformat->reformat_id = reformat_id;
+               action->reformat->reformat_size = data_sz;
                return 0;
        }
        case DR_ACTION_TYP_TNL_L2_TO_L2:
@@ -811,28 +833,28 @@ dr_action_create_reformat_action(struct mlx5dr_domain 
*dmn,
                                                          data, data_sz,
                                                          hw_actions,
                                                          
ACTION_CACHE_LINE_SIZE,
-                                                         
&action->rewrite.num_of_actions);
+                                                         
&action->rewrite->num_of_actions);
                if (ret) {
                        mlx5dr_dbg(dmn, "Failed creating decap l3 action 
list\n");
                        return ret;
                }
 
-               action->rewrite.chunk = 
mlx5dr_icm_alloc_chunk(dmn->action_icm_pool,
-                                                              DR_CHUNK_SIZE_8);
-               if (!action->rewrite.chunk) {
+               action->rewrite->chunk = 
mlx5dr_icm_alloc_chunk(dmn->action_icm_pool,
+                                                               
DR_CHUNK_SIZE_8);
+               if (!action->rewrite->chunk) {
                        mlx5dr_dbg(dmn, "Failed allocating modify header 
chunk\n");
                        return -ENOMEM;
                }
 
-               action->rewrite.data = (void *)hw_actions;
-               action->rewrite.index = (action->rewrite.chunk->icm_addr -
+               action->rewrite->data = (void *)hw_actions;
+               action->rewrite->index = (action->rewrite->chunk->icm_addr -
                                         dmn->info.caps.hdr_modify_icm_addr) /
                                         ACTION_CACHE_LINE_SIZE;
 
                ret = mlx5dr_send_postsend_action(dmn, action);
                if (ret) {
                        mlx5dr_dbg(dmn, "Writing decap l3 actions to ICM 
failed\n");
-                       mlx5dr_icm_free_chunk(action->rewrite.chunk);
+                       mlx5dr_icm_free_chunk(action->rewrite->chunk);
                        return ret;
                }
                return 0;
@@ -867,7 +889,7 @@ struct mlx5dr_action *mlx5dr_action_create_push_vlan(struct 
mlx5dr_domain *dmn,
        if (!action)
                return NULL;
 
-       action->push_vlan.vlan_hdr = vlan_hdr_h;
+       action->push_vlan->vlan_hdr = vlan_hdr_h;
        return action;
 }
 
@@ -898,7 +920,7 @@ mlx5dr_action_create_packet_reformat(struct mlx5dr_domain 
*dmn,
        if (!action)
                goto dec_ref;
 
-       action->reformat.dmn = dmn;
+       action->reformat->dmn = dmn;
 
        ret = dr_action_create_reformat_action(dmn,
                                               data_sz,
@@ -1104,17 +1126,17 @@ dr_action_modify_check_set_field_limitation(struct 
mlx5dr_action *action,
                                            const __be64 *sw_action)
 {
        u16 sw_field = MLX5_GET(set_action_in, sw_action, field);
-       struct mlx5dr_domain *dmn = action->rewrite.dmn;
+       struct mlx5dr_domain *dmn = action->rewrite->dmn;
 
        if (sw_field == MLX5_ACTION_IN_FIELD_METADATA_REG_A) {
-               action->rewrite.allow_rx = 0;
+               action->rewrite->allow_rx = 0;
                if (dmn->type != MLX5DR_DOMAIN_TYPE_NIC_TX) {
                        mlx5dr_dbg(dmn, "Unsupported field %d for RX/FDB set 
action\n",
                                   sw_field);
                        return -EINVAL;
                }
        } else if (sw_field == MLX5_ACTION_IN_FIELD_METADATA_REG_B) {
-               action->rewrite.allow_tx = 0;
+               action->rewrite->allow_tx = 0;
                if (dmn->type != MLX5DR_DOMAIN_TYPE_NIC_RX) {
                        mlx5dr_dbg(dmn, "Unsupported field %d for TX/FDB set 
action\n",
                                   sw_field);
@@ -1122,7 +1144,7 @@ dr_action_modify_check_set_field_limitation(struct 
mlx5dr_action *action,
                }
        }
 
-       if (!action->rewrite.allow_rx && !action->rewrite.allow_tx) {
+       if (!action->rewrite->allow_rx && !action->rewrite->allow_tx) {
                mlx5dr_dbg(dmn, "Modify SET actions not supported on both RX 
and TX\n");
                return -EINVAL;
        }
@@ -1135,7 +1157,7 @@ dr_action_modify_check_add_field_limitation(struct 
mlx5dr_action *action,
                                            const __be64 *sw_action)
 {
        u16 sw_field = MLX5_GET(set_action_in, sw_action, field);
-       struct mlx5dr_domain *dmn = action->rewrite.dmn;
+       struct mlx5dr_domain *dmn = action->rewrite->dmn;
 
        if (sw_field != MLX5_ACTION_IN_FIELD_OUT_IP_TTL &&
            sw_field != MLX5_ACTION_IN_FIELD_OUT_IPV6_HOPLIMIT &&
@@ -1153,7 +1175,7 @@ static int
 dr_action_modify_check_copy_field_limitation(struct mlx5dr_action *action,
                                             const __be64 *sw_action)
 {
-       struct mlx5dr_domain *dmn = action->rewrite.dmn;
+       struct mlx5dr_domain *dmn = action->rewrite->dmn;
        u16 sw_fields[2];
        int i;
 
@@ -1162,14 +1184,14 @@ dr_action_modify_check_copy_field_limitation(struct 
mlx5dr_action *action,
 
        for (i = 0; i < 2; i++) {
                if (sw_fields[i] == MLX5_ACTION_IN_FIELD_METADATA_REG_A) {
-                       action->rewrite.allow_rx = 0;
+                       action->rewrite->allow_rx = 0;
                        if (dmn->type != MLX5DR_DOMAIN_TYPE_NIC_TX) {
                                mlx5dr_dbg(dmn, "Unsupported field %d for 
RX/FDB set action\n",
                                           sw_fields[i]);
                                return -EINVAL;
                        }
                } else if (sw_fields[i] == MLX5_ACTION_IN_FIELD_METADATA_REG_B) 
{
-                       action->rewrite.allow_tx = 0;
+                       action->rewrite->allow_tx = 0;
                        if (dmn->type != MLX5DR_DOMAIN_TYPE_NIC_RX) {
                                mlx5dr_dbg(dmn, "Unsupported field %d for 
TX/FDB set action\n",
                                           sw_fields[i]);
@@ -1178,7 +1200,7 @@ dr_action_modify_check_copy_field_limitation(struct 
mlx5dr_action *action,
                }
        }
 
-       if (!action->rewrite.allow_rx && !action->rewrite.allow_tx) {
+       if (!action->rewrite->allow_rx && !action->rewrite->allow_tx) {
                mlx5dr_dbg(dmn, "Modify copy actions not supported on both RX 
and TX\n");
                return -EINVAL;
        }
@@ -1190,7 +1212,7 @@ static int
 dr_action_modify_check_field_limitation(struct mlx5dr_action *action,
                                        const __be64 *sw_action)
 {
-       struct mlx5dr_domain *dmn = action->rewrite.dmn;
+       struct mlx5dr_domain *dmn = action->rewrite->dmn;
        u8 action_type;
        int ret;
 
@@ -1239,7 +1261,7 @@ static int dr_actions_convert_modify_header(struct 
mlx5dr_action *action,
 {
        const struct mlx5dr_ste_action_modify_field *hw_dst_action_info;
        const struct mlx5dr_ste_action_modify_field *hw_src_action_info;
-       struct mlx5dr_domain *dmn = action->rewrite.dmn;
+       struct mlx5dr_domain *dmn = action->rewrite->dmn;
        int ret, i, hw_idx = 0;
        __be64 *sw_action;
        __be64 hw_action;
@@ -1249,8 +1271,8 @@ static int dr_actions_convert_modify_header(struct 
mlx5dr_action *action,
 
        *modify_ttl = false;
 
-       action->rewrite.allow_rx = 1;
-       action->rewrite.allow_tx = 1;
+       action->rewrite->allow_rx = 1;
+       action->rewrite->allow_tx = 1;
 
        for (i = 0; i < num_sw_actions; i++) {
                sw_action = &sw_actions[i];
@@ -1358,13 +1380,13 @@ static int dr_action_create_modify_action(struct 
mlx5dr_domain *dmn,
        if (ret)
                goto free_hw_actions;
 
-       action->rewrite.chunk = chunk;
-       action->rewrite.modify_ttl = modify_ttl;
-       action->rewrite.data = (u8 *)hw_actions;
-       action->rewrite.num_of_actions = num_hw_actions;
-       action->rewrite.index = (chunk->icm_addr -
-                                dmn->info.caps.hdr_modify_icm_addr) /
-                                ACTION_CACHE_LINE_SIZE;
+       action->rewrite->chunk = chunk;
+       action->rewrite->modify_ttl = modify_ttl;
+       action->rewrite->data = (u8 *)hw_actions;
+       action->rewrite->num_of_actions = num_hw_actions;
+       action->rewrite->index = (chunk->icm_addr -
+                                 dmn->info.caps.hdr_modify_icm_addr) /
+                                 ACTION_CACHE_LINE_SIZE;
 
        ret = mlx5dr_send_postsend_action(dmn, action);
        if (ret)
@@ -1399,7 +1421,7 @@ mlx5dr_action_create_modify_header(struct mlx5dr_domain 
*dmn,
        if (!action)
                goto dec_ref;
 
-       action->rewrite.dmn = dmn;
+       action->rewrite->dmn = dmn;
 
        ret = dr_action_create_modify_action(dmn,
                                             actions_sz,
@@ -1451,8 +1473,8 @@ mlx5dr_action_create_dest_vport(struct mlx5dr_domain *dmn,
        if (!action)
                return NULL;
 
-       action->vport.dmn = vport_dmn;
-       action->vport.caps = vport_cap;
+       action->vport->dmn = vport_dmn;
+       action->vport->caps = vport_cap;
 
        return action;
 }
@@ -1464,44 +1486,44 @@ int mlx5dr_action_destroy(struct mlx5dr_action *action)
 
        switch (action->action_type) {
        case DR_ACTION_TYP_FT:
-               if (action->dest_tbl.is_fw_tbl)
-                       refcount_dec(&action->dest_tbl.fw_tbl.dmn->refcount);
+               if (action->dest_tbl->is_fw_tbl)
+                       refcount_dec(&action->dest_tbl->fw_tbl.dmn->refcount);
                else
-                       refcount_dec(&action->dest_tbl.tbl->refcount);
+                       refcount_dec(&action->dest_tbl->tbl->refcount);
 
-               if (action->dest_tbl.is_fw_tbl &&
-                   action->dest_tbl.fw_tbl.num_of_ref_actions) {
+               if (action->dest_tbl->is_fw_tbl &&
+                   action->dest_tbl->fw_tbl.num_of_ref_actions) {
                        struct mlx5dr_action **ref_actions;
                        int i;
 
-                       ref_actions = action->dest_tbl.fw_tbl.ref_actions;
-                       for (i = 0; i < 
action->dest_tbl.fw_tbl.num_of_ref_actions; i++)
+                       ref_actions = action->dest_tbl->fw_tbl.ref_actions;
+                       for (i = 0; i < 
action->dest_tbl->fw_tbl.num_of_ref_actions; i++)
                                refcount_dec(&ref_actions[i]->refcount);
 
                        kfree(ref_actions);
 
-                       mlx5dr_fw_destroy_md_tbl(action->dest_tbl.fw_tbl.dmn,
-                                                action->dest_tbl.fw_tbl.id,
-                                                
action->dest_tbl.fw_tbl.group_id);
+                       mlx5dr_fw_destroy_md_tbl(action->dest_tbl->fw_tbl.dmn,
+                                                action->dest_tbl->fw_tbl.id,
+                                                
action->dest_tbl->fw_tbl.group_id);
                }
                break;
        case DR_ACTION_TYP_TNL_L2_TO_L2:
-               refcount_dec(&action->reformat.dmn->refcount);
+               refcount_dec(&action->reformat->dmn->refcount);
                break;
        case DR_ACTION_TYP_TNL_L3_TO_L2:
-               mlx5dr_icm_free_chunk(action->rewrite.chunk);
-               refcount_dec(&action->reformat.dmn->refcount);
+               mlx5dr_icm_free_chunk(action->rewrite->chunk);
+               refcount_dec(&action->rewrite->dmn->refcount);
                break;
        case DR_ACTION_TYP_L2_TO_TNL_L2:
        case DR_ACTION_TYP_L2_TO_TNL_L3:
-               mlx5dr_cmd_destroy_reformat_ctx((action->reformat.dmn)->mdev,
-                                               action->reformat.reformat_id);
-               refcount_dec(&action->reformat.dmn->refcount);
+               mlx5dr_cmd_destroy_reformat_ctx((action->reformat->dmn)->mdev,
+                                               action->reformat->reformat_id);
+               refcount_dec(&action->reformat->dmn->refcount);
                break;
        case DR_ACTION_TYP_MODIFY_HDR:
-               mlx5dr_icm_free_chunk(action->rewrite.chunk);
-               kfree(action->rewrite.data);
-               refcount_dec(&action->rewrite.dmn->refcount);
+               mlx5dr_icm_free_chunk(action->rewrite->chunk);
+               kfree(action->rewrite->data);
+               refcount_dec(&action->rewrite->dmn->refcount);
                break;
        default:
                break;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c 
b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
index 8a6a56f9dc4e..24acced415d3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
@@ -572,12 +572,12 @@ int mlx5dr_send_postsend_action(struct mlx5dr_domain *dmn,
        struct postsend_info send_info = {};
        int ret;
 
-       send_info.write.addr = (uintptr_t)action->rewrite.data;
-       send_info.write.length = action->rewrite.num_of_actions *
+       send_info.write.addr = (uintptr_t)action->rewrite->data;
+       send_info.write.length = action->rewrite->num_of_actions *
                                 DR_MODIFY_ACTION_SIZE;
        send_info.write.lkey = 0;
-       send_info.remote_addr = action->rewrite.chunk->mr_addr;
-       send_info.rkey = action->rewrite.chunk->rkey;
+       send_info.remote_addr = action->rewrite->chunk->mr_addr;
+       send_info.rkey = action->rewrite->chunk->rkey;
 
        ret = dr_postsend_icm_data(dmn, &send_info);
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c 
b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c
index b599b6beb5b9..30ae3cda6d2e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c
@@ -29,7 +29,7 @@ int mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl,
                        last_htbl = tbl->rx.s_anchor;
 
                tbl->rx.default_icm_addr = action ?
-                       action->dest_tbl.tbl->rx.s_anchor->chunk->icm_addr :
+                       action->dest_tbl->tbl->rx.s_anchor->chunk->icm_addr :
                        tbl->rx.nic_dmn->default_icm_addr;
 
                info.type = CONNECT_MISS;
@@ -53,7 +53,7 @@ int mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl,
                        last_htbl = tbl->tx.s_anchor;
 
                tbl->tx.default_icm_addr = action ?
-                       action->dest_tbl.tbl->tx.s_anchor->chunk->icm_addr :
+                       action->dest_tbl->tbl->tx.s_anchor->chunk->icm_addr :
                        tbl->tx.nic_dmn->default_icm_addr;
 
                info.type = CONNECT_MISS;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h 
b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
index 4af0e4e6a13c..462673947f3c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
@@ -806,53 +806,71 @@ struct mlx5dr_ste_action_modify_field {
        u8 l4_type;
 };
 
+struct mlx5dr_action_rewrite {
+       struct mlx5dr_domain *dmn;
+       struct mlx5dr_icm_chunk *chunk;
+       u8 *data;
+       u16 num_of_actions;
+       u32 index;
+       u8 allow_rx:1;
+       u8 allow_tx:1;
+       u8 modify_ttl:1;
+};
+
+struct mlx5dr_action_reformat {
+       struct mlx5dr_domain *dmn;
+       u32 reformat_id;
+       u32 reformat_size;
+};
+
+struct mlx5dr_action_dest_tbl {
+       u8 is_fw_tbl:1;
+       union {
+               struct mlx5dr_table *tbl;
+               struct {
+                       struct mlx5dr_domain *dmn;
+                       u32 id;
+                       u32 group_id;
+                       enum fs_flow_table_type type;
+                       u64 rx_icm_addr;
+                       u64 tx_icm_addr;
+                       struct mlx5dr_action **ref_actions;
+                       u32 num_of_ref_actions;
+               } fw_tbl;
+       };
+};
+
+struct mlx5dr_action_ctr {
+       u32 ctr_id;
+       u32 offeset;
+};
+
+struct mlx5dr_action_vport {
+       struct mlx5dr_domain *dmn;
+       struct mlx5dr_cmd_vport_cap *caps;
+};
+
+struct mlx5dr_action_push_vlan {
+       u32 vlan_hdr; /* tpid_pcp_dei_vid */
+};
+
+struct mlx5dr_action_flow_tag {
+       u32 flow_tag;
+};
+
 struct mlx5dr_action {
        enum mlx5dr_action_type action_type;
        refcount_t refcount;
+
        union {
-               struct {
-                       struct mlx5dr_domain *dmn;
-                       struct mlx5dr_icm_chunk *chunk;
-                       u8 *data;
-                       u16 num_of_actions;
-                       u32 index;
-                       u8 allow_rx:1;
-                       u8 allow_tx:1;
-                       u8 modify_ttl:1;
-               } rewrite;
-               struct {
-                       struct mlx5dr_domain *dmn;
-                       u32 reformat_id;
-                       u32 reformat_size;
-               } reformat;
-               struct {
-                       u8 is_fw_tbl:1;
-                       union {
-                               struct mlx5dr_table *tbl;
-                               struct {
-                                       struct mlx5dr_domain *dmn;
-                                       u32 id;
-                                       u32 group_id;
-                                       enum fs_flow_table_type type;
-                                       u64 rx_icm_addr;
-                                       u64 tx_icm_addr;
-                                       struct mlx5dr_action **ref_actions;
-                                       u32 num_of_ref_actions;
-                               } fw_tbl;
-                       };
-               } dest_tbl;
-               struct {
-                       u32 ctr_id;
-                       u32 offeset;
-               } ctr;
-               struct {
-                       struct mlx5dr_domain *dmn;
-                       struct mlx5dr_cmd_vport_cap *caps;
-               } vport;
-               struct {
-                       u32 vlan_hdr; /* tpid_pcp_dei_vid */
-               } push_vlan;
-               u32 flow_tag;
+               void *data;
+               struct mlx5dr_action_rewrite *rewrite;
+               struct mlx5dr_action_reformat *reformat;
+               struct mlx5dr_action_dest_tbl *dest_tbl;
+               struct mlx5dr_action_ctr *ctr;
+               struct mlx5dr_action_vport *vport;
+               struct mlx5dr_action_push_vlan *push_vlan;
+               struct mlx5dr_action_flow_tag *flow_tag;
        };
 };
 
-- 
2.30.2

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