ice: Add input handlers for virtual channel handlers

Move the assignment to local variables after validation.

Remove unnecessary checks in ice_vc_process_vf_msg() as the respective
functions are now performing the checks.

Signed-off-by: "Amruth G.P" <amruth.gouda.parameshwarappa@intel.com>
Signed-off-by: Nitesh B Venkatesh <nitesh.b.venkatesh@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
index 83e58e7..de0a1ef 100644 (file)
--- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
@@ -1734,18 +1734,18 @@ static int ice_vc_config_rss_key(struct ice_vf *vf, u8 *msg)
                goto error_param;
        }
 
-       vsi = pf->vsi[vf->lan_vsi_idx];
-       if (!vsi) {
+       if (vrk->key_len != ICE_VSIQF_HKEY_ARRAY_SIZE) {
                v_ret = VIRTCHNL_STATUS_ERR_PARAM;
                goto error_param;
        }
 
-       if (vrk->key_len != ICE_VSIQF_HKEY_ARRAY_SIZE) {
+       if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) {
                v_ret = VIRTCHNL_STATUS_ERR_PARAM;
                goto error_param;
        }
 
-       if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) {
+       vsi = pf->vsi[vf->lan_vsi_idx];
+       if (!vsi) {
                v_ret = VIRTCHNL_STATUS_ERR_PARAM;
                goto error_param;
        }
@@ -1781,18 +1781,18 @@ static int ice_vc_config_rss_lut(struct ice_vf *vf, u8 *msg)
                goto error_param;
        }
 
-       vsi = pf->vsi[vf->lan_vsi_idx];
-       if (!vsi) {
+       if (vrl->lut_entries != ICE_VSIQF_HLUT_ARRAY_SIZE) {
                v_ret = VIRTCHNL_STATUS_ERR_PARAM;
                goto error_param;
        }
 
-       if (vrl->lut_entries != ICE_VSIQF_HLUT_ARRAY_SIZE) {
+       if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) {
                v_ret = VIRTCHNL_STATUS_ERR_PARAM;
                goto error_param;
        }
 
-       if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) {
+       vsi = pf->vsi[vf->lan_vsi_idx];
+       if (!vsi) {
                v_ret = VIRTCHNL_STATUS_ERR_PARAM;
                goto error_param;
        }
@@ -1877,6 +1877,12 @@ static int ice_vc_ena_qs_msg(struct ice_vf *vf, u8 *msg)
                goto error_param;
        }
 
+       if (vqs->rx_queues > ICE_MAX_BASE_QS_PER_VF ||
+           vqs->tx_queues > ICE_MAX_BASE_QS_PER_VF) {
+               v_ret = VIRTCHNL_STATUS_ERR_PARAM;
+               goto error_param;
+       }
+
        vsi = pf->vsi[vf->lan_vsi_idx];
        if (!vsi) {
                v_ret = VIRTCHNL_STATUS_ERR_PARAM;
@@ -1932,6 +1938,12 @@ static int ice_vc_dis_qs_msg(struct ice_vf *vf, u8 *msg)
                goto error_param;
        }
 
+       if (vqs->rx_queues > ICE_MAX_BASE_QS_PER_VF ||
+           vqs->tx_queues > ICE_MAX_BASE_QS_PER_VF) {
+               v_ret = VIRTCHNL_STATUS_ERR_PARAM;
+               goto error_param;
+       }
+
        vsi = pf->vsi[vf->lan_vsi_idx];
        if (!vsi) {
                v_ret = VIRTCHNL_STATUS_ERR_PARAM;
@@ -1984,12 +1996,6 @@ static int ice_vc_cfg_irq_map_msg(struct ice_vf *vf, u8 *msg)
        irqmap_info = (struct virtchnl_irq_map_info *)msg;
        num_q_vectors_mapped = irqmap_info->num_vectors;
 
-       vsi = pf->vsi[vf->lan_vsi_idx];
-       if (!vsi) {
-               v_ret = VIRTCHNL_STATUS_ERR_PARAM;
-               goto error_param;
-       }
-
        /* Check to make sure number of VF vectors mapped is not greater than
         * number of VF vectors originally allocated, and check that
         * there is actually at least a single VF queue vector mapped
@@ -2001,6 +2007,12 @@ static int ice_vc_cfg_irq_map_msg(struct ice_vf *vf, u8 *msg)
                goto error_param;
        }
 
+       vsi = pf->vsi[vf->lan_vsi_idx];
+       if (!vsi) {
+               v_ret = VIRTCHNL_STATUS_ERR_PARAM;
+               goto error_param;
+       }
+
        for (i = 0; i < num_q_vectors_mapped; i++) {
                struct ice_q_vector *q_vector;
 
@@ -2092,10 +2104,6 @@ static int ice_vc_cfg_qs_msg(struct ice_vf *vf, u8 *msg)
                goto error_param;
        }
 
-       vsi = pf->vsi[vf->lan_vsi_idx];
-       if (!vsi)
-               goto error_param;
-
        if (qci->num_queue_pairs > ICE_MAX_BASE_QS_PER_VF) {
                dev_err(&pf->pdev->dev,
                        "VF-%d requesting more than supported number of queues: %d\n",
@@ -2104,6 +2112,12 @@ static int ice_vc_cfg_qs_msg(struct ice_vf *vf, u8 *msg)
                goto error_param;
        }
 
+       vsi = pf->vsi[vf->lan_vsi_idx];
+       if (!vsi) {
+               v_ret = VIRTCHNL_STATUS_ERR_PARAM;
+               goto error_param;
+       }
+
        for (i = 0; i < qci->num_queue_pairs; i++) {
                qpi = &qci->qpair[i];
                if (qpi->txq.vsi_id != qci->vsi_id ||
@@ -2755,20 +2769,6 @@ void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event)
                        err = -EPERM;
                else
                        err = -EINVAL;
-               goto error_handler;
-       }
-
-       /* Perform additional checks specific to RSS and Virtchnl */
-       if (v_opcode == VIRTCHNL_OP_CONFIG_RSS_KEY) {
-               struct virtchnl_rss_key *vrk = (struct virtchnl_rss_key *)msg;
-
-               if (vrk->key_len != ICE_VSIQF_HKEY_ARRAY_SIZE)
-                       err = -EINVAL;
-       } else if (v_opcode == VIRTCHNL_OP_CONFIG_RSS_LUT) {
-               struct virtchnl_rss_lut *vrl = (struct virtchnl_rss_lut *)msg;
-
-               if (vrl->lut_entries != ICE_VSIQF_HLUT_ARRAY_SIZE)
-                       err = -EINVAL;
        }
 
 error_handler: