Currently, when enabling, disabling, or switching queues, we are using
rte_malloc followed by an immediate rte_free. This is not needed as these
structures are not being stored anywhere, so replace them with stack
allocation or malloc/free where appropriate.

Signed-off-by: Anatoly Burakov <[email protected]>
---
 drivers/net/intel/iavf/iavf_vchnl.c | 65 ++++++++++++-----------------
 1 file changed, 26 insertions(+), 39 deletions(-)

diff --git a/drivers/net/intel/iavf/iavf_vchnl.c 
b/drivers/net/intel/iavf/iavf_vchnl.c
index 19dce17612..af1f5fbfc0 100644
--- a/drivers/net/intel/iavf/iavf_vchnl.c
+++ b/drivers/net/intel/iavf/iavf_vchnl.c
@@ -1020,19 +1020,15 @@ int
 iavf_enable_queues_lv(struct iavf_adapter *adapter)
 {
        struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
-       struct virtchnl_del_ena_dis_queues *queue_select;
-       struct virtchnl_queue_chunk *queue_chunk;
+       struct {
+               struct virtchnl_del_ena_dis_queues msg;
+               struct virtchnl_queue_chunk chunks[IAVF_RXTX_QUEUE_CHUNKS_NUM - 
1];
+       } queue_req = {0};
+       struct virtchnl_del_ena_dis_queues *queue_select = &queue_req.msg;
+       struct virtchnl_queue_chunk *queue_chunk = queue_select->chunks.chunks;
        struct iavf_cmd_info args;
-       int err, len;
+       int err;
 
-       len = sizeof(struct virtchnl_del_ena_dis_queues) +
-                 sizeof(struct virtchnl_queue_chunk) *
-                 (IAVF_RXTX_QUEUE_CHUNKS_NUM - 1);
-       queue_select = rte_zmalloc("queue_select", len, 0);
-       if (!queue_select)
-               return -ENOMEM;
-
-       queue_chunk = queue_select->chunks.chunks;
        queue_select->chunks.num_chunks = IAVF_RXTX_QUEUE_CHUNKS_NUM;
        queue_select->vport_id = vf->vsi_res->vsi_id;
 
@@ -1048,7 +1044,7 @@ iavf_enable_queues_lv(struct iavf_adapter *adapter)
 
        args.ops = VIRTCHNL_OP_ENABLE_QUEUES_V2;
        args.in_args = (u8 *)queue_select;
-       args.in_args_size = len;
+       args.in_args_size = sizeof(queue_req);
        args.out_buffer = vf->aq_resp;
        args.out_size = IAVF_AQ_BUF_SZ;
        err = iavf_execute_vf_cmd_safe(adapter, &args, 0);
@@ -1056,7 +1052,6 @@ iavf_enable_queues_lv(struct iavf_adapter *adapter)
                PMD_DRV_LOG(ERR,
                            "Failed to execute command of OP_ENABLE_QUEUES_V2");
 
-       rte_free(queue_select);
        return err;
 }
 
@@ -1064,19 +1059,15 @@ int
 iavf_disable_queues_lv(struct iavf_adapter *adapter)
 {
        struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
-       struct virtchnl_del_ena_dis_queues *queue_select;
-       struct virtchnl_queue_chunk *queue_chunk;
+       struct {
+               struct virtchnl_del_ena_dis_queues msg;
+               struct virtchnl_queue_chunk chunks[IAVF_RXTX_QUEUE_CHUNKS_NUM - 
1];
+       } queue_req = {0};
+       struct virtchnl_del_ena_dis_queues *queue_select = &queue_req.msg;
+       struct virtchnl_queue_chunk *queue_chunk = queue_select->chunks.chunks;
        struct iavf_cmd_info args;
-       int err, len;
+       int err;
 
-       len = sizeof(struct virtchnl_del_ena_dis_queues) +
-                 sizeof(struct virtchnl_queue_chunk) *
-                 (IAVF_RXTX_QUEUE_CHUNKS_NUM - 1);
-       queue_select = rte_zmalloc("queue_select", len, 0);
-       if (!queue_select)
-               return -ENOMEM;
-
-       queue_chunk = queue_select->chunks.chunks;
        queue_select->chunks.num_chunks = IAVF_RXTX_QUEUE_CHUNKS_NUM;
        queue_select->vport_id = vf->vsi_res->vsi_id;
 
@@ -1092,7 +1083,7 @@ iavf_disable_queues_lv(struct iavf_adapter *adapter)
 
        args.ops = VIRTCHNL_OP_DISABLE_QUEUES_V2;
        args.in_args = (u8 *)queue_select;
-       args.in_args_size = len;
+       args.in_args_size = sizeof(queue_req);
        args.out_buffer = vf->aq_resp;
        args.out_size = IAVF_AQ_BUF_SZ;
        err = iavf_execute_vf_cmd_safe(adapter, &args, 0);
@@ -1100,7 +1091,6 @@ iavf_disable_queues_lv(struct iavf_adapter *adapter)
                PMD_DRV_LOG(ERR,
                            "Failed to execute command of 
OP_DISABLE_QUEUES_V2");
 
-       rte_free(queue_select);
        return err;
 }
 
@@ -1109,17 +1099,15 @@ iavf_switch_queue_lv(struct iavf_adapter *adapter, 
uint16_t qid,
                 bool rx, bool on)
 {
        struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
-       struct virtchnl_del_ena_dis_queues *queue_select;
-       struct virtchnl_queue_chunk *queue_chunk;
+       struct {
+               struct virtchnl_del_ena_dis_queues msg;
+               struct virtchnl_queue_chunk chunks[IAVF_RXTX_QUEUE_CHUNKS_NUM - 
1];
+       } queue_req;
+       struct virtchnl_del_ena_dis_queues *queue_select = &queue_req.msg;
+       struct virtchnl_queue_chunk *queue_chunk = queue_select->chunks.chunks;
        struct iavf_cmd_info args;
-       int err, len;
+       int err;
 
-       len = sizeof(struct virtchnl_del_ena_dis_queues);
-       queue_select = rte_zmalloc("queue_select", len, 0);
-       if (!queue_select)
-               return -ENOMEM;
-
-       queue_chunk = queue_select->chunks.chunks;
        queue_select->chunks.num_chunks = 1;
        queue_select->vport_id = vf->vsi_res->vsi_id;
 
@@ -1138,7 +1126,7 @@ iavf_switch_queue_lv(struct iavf_adapter *adapter, 
uint16_t qid,
        else
                args.ops = VIRTCHNL_OP_DISABLE_QUEUES_V2;
        args.in_args = (u8 *)queue_select;
-       args.in_args_size = len;
+       args.in_args_size = sizeof(queue_req);
        args.out_buffer = vf->aq_resp;
        args.out_size = IAVF_AQ_BUF_SZ;
        err = iavf_execute_vf_cmd_safe(adapter, &args, 0);
@@ -1146,7 +1134,6 @@ iavf_switch_queue_lv(struct iavf_adapter *adapter, 
uint16_t qid,
                PMD_DRV_LOG(ERR, "Failed to execute command of %s",
                            on ? "OP_ENABLE_QUEUES_V2" : 
"OP_DISABLE_QUEUES_V2");
 
-       rte_free(queue_select);
        return err;
 }
 
@@ -1229,7 +1216,7 @@ iavf_configure_queues(struct iavf_adapter *adapter,
 
        size = sizeof(*vc_config) +
               sizeof(vc_config->qpair[0]) * num_queue_pairs;
-       vc_config = rte_zmalloc("cfg_queue", size, 0);
+       vc_config = calloc(1, size);
        if (!vc_config)
                return -ENOMEM;
 
@@ -1292,7 +1279,7 @@ iavf_configure_queues(struct iavf_adapter *adapter,
                PMD_DRV_LOG(ERR, "Failed to execute command of"
                            " VIRTCHNL_OP_CONFIG_VSI_QUEUES");
 
-       rte_free(vc_config);
+       free(vc_config);
        return err;
 }
 
-- 
2.47.3

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