net/bnxt: check for VNIC ID in rollback
[dpdk.git] / drivers / net / bnxt / bnxt_flow.c
index 9a3f7ab..e7b70f2 100644 (file)
@@ -219,6 +219,14 @@ bnxt_validate_and_parse_flow_type(struct bnxt *bp,
                        }
 
                        if (rte_is_broadcast_ether_addr(&eth_mask->dst)) {
+                               if (!rte_is_unicast_ether_addr(&eth_spec->dst)) {
+                                       rte_flow_error_set(error,
+                                                          EINVAL,
+                                                          RTE_FLOW_ERROR_TYPE_ITEM,
+                                                          item,
+                                                          "DMAC is invalid");
+                                       return -rte_errno;
+                               }
                                rte_memcpy(filter->dst_macaddr,
                                           &eth_spec->dst, RTE_ETHER_ADDR_LEN);
                                en |= use_ntuple ?
@@ -227,9 +235,20 @@ bnxt_validate_and_parse_flow_type(struct bnxt *bp,
                                valid_flags |= inner ?
                                        BNXT_FLOW_L2_INNER_DST_VALID_FLAG :
                                        BNXT_FLOW_L2_DST_VALID_FLAG;
+                               filter->priority = attr->priority;
+                               PMD_DRV_LOG(DEBUG,
+                                           "Creating a priority flow\n");
                        }
 
                        if (rte_is_broadcast_ether_addr(&eth_mask->src)) {
+                               if (!rte_is_unicast_ether_addr(&eth_spec->src)) {
+                                       rte_flow_error_set(error,
+                                                          EINVAL,
+                                                          RTE_FLOW_ERROR_TYPE_ITEM,
+                                                          item,
+                                                          "SMAC is invalid");
+                                       return -rte_errno;
+                               }
                                rte_memcpy(filter->src_macaddr,
                                           &eth_spec->src, RTE_ETHER_ADDR_LEN);
                                en |= use_ntuple ?
@@ -712,15 +731,6 @@ bnxt_flow_parse_attr(const struct rte_flow_attr *attr,
                return -rte_errno;
        }
 
-       /* Not supported */
-       if (attr->priority) {
-               rte_flow_error_set(error,
-                                  EINVAL,
-                                  RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
-                                  attr,
-                                  "No support for priority.");
-               return -rte_errno;
-       }
        return 0;
 }
 
@@ -802,13 +812,16 @@ bnxt_create_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf,
                memcpy(filter1->l2_addr, nf->dst_macaddr, RTE_ETHER_ADDR_LEN);
        }
 
-       if (nf->valid_flags & BNXT_FLOW_L2_DST_VALID_FLAG ||
-           nf->valid_flags & BNXT_FLOW_L2_INNER_DST_VALID_FLAG) {
+       if (nf->priority &&
+           (nf->valid_flags & BNXT_FLOW_L2_DST_VALID_FLAG ||
+            nf->valid_flags & BNXT_FLOW_L2_INNER_DST_VALID_FLAG)) {
                /* Tell the FW where to place the filter in the table. */
-               filter1->pri_hint =
+               if (nf->priority > 65535) {
+                       filter1->pri_hint =
                        HWRM_CFA_L2_FILTER_ALLOC_INPUT_PRI_HINT_BELOW_FILTER;
-               /* This will place the filter in TCAM */
-               filter1->l2_filter_id_hint = (uint64_t)-1;
+                       /* This will place the filter in TCAM */
+                       filter1->l2_filter_id_hint = (uint64_t)-1;
+               }
        }
 
        filter1->enables = HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR |
@@ -1358,6 +1371,25 @@ ret:
        return rc;
 }
 
+static
+struct bnxt_vnic_info *find_matching_vnic(struct bnxt *bp,
+                                         struct bnxt_filter_info *filter)
+{
+       struct bnxt_vnic_info *vnic = NULL;
+       unsigned int i;
+
+       for (i = 0; i < bp->max_vnics; i++) {
+               vnic = &bp->vnic_info[i];
+               if (vnic->fw_vnic_id != INVALID_VNIC_ID &&
+                   filter->dst_id == vnic->fw_vnic_id) {
+                       PMD_DRV_LOG(DEBUG, "Found matching VNIC Id %d\n",
+                                   vnic->ff_pool_idx);
+                       return vnic;
+               }
+       }
+       return NULL;
+}
+
 static int
 bnxt_flow_validate(struct rte_eth_dev *dev,
                   const struct rte_flow_attr *attr,
@@ -1366,6 +1398,7 @@ bnxt_flow_validate(struct rte_eth_dev *dev,
                   struct rte_flow_error *error)
 {
        struct bnxt *bp = dev->data->dev_private;
+       struct bnxt_vnic_info *vnic = NULL;
        struct bnxt_filter_info *filter;
        int ret = 0;
 
@@ -1381,6 +1414,26 @@ bnxt_flow_validate(struct rte_eth_dev *dev,
 
        ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
                                           error, filter);
+
+       vnic = find_matching_vnic(bp, filter);
+       if (vnic) {
+               if (STAILQ_EMPTY(&vnic->filter)) {
+                       rte_free(vnic->fw_grp_ids);
+                       bnxt_hwrm_vnic_ctx_free(bp, vnic);
+                       bnxt_hwrm_vnic_free(bp, vnic);
+                       vnic->rx_queue_cnt = 0;
+                       bp->nr_vnics--;
+                       PMD_DRV_LOG(DEBUG, "Free VNIC\n");
+               }
+       }
+
+       if (filter->filter_type == HWRM_CFA_EM_FILTER)
+               bnxt_hwrm_clear_em_filter(bp, filter);
+       else if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
+               bnxt_hwrm_clear_ntuple_filter(bp, filter);
+       else
+               bnxt_hwrm_clear_l2_filter(bp, filter);
+
        /* No need to hold on to this filter if we are just validating flow */
        filter->fw_l2_filter_id = UINT64_MAX;
        bnxt_free_filter(bp, filter);
@@ -1417,7 +1470,7 @@ bnxt_match_filter(struct bnxt *bp, struct bnxt_filter_info *nf)
        struct rte_flow *flow;
        int i;
 
-       for (i = bp->max_vnics; i >= 0; i--) {
+       for (i = bp->max_vnics - 1; i >= 0; i--) {
                struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
 
                if (vnic->fw_vnic_id == INVALID_VNIC_ID)
@@ -1487,7 +1540,6 @@ bnxt_flow_create(struct rte_eth_dev *dev,
        struct bnxt_filter_info *filter;
        bool update_flow = false;
        struct rte_flow *flow;
-       unsigned int i;
        int ret = 0;
        uint32_t tun_type;
 
@@ -1498,6 +1550,15 @@ bnxt_flow_create(struct rte_eth_dev *dev,
                return NULL;
        }
 
+       if (!dev->data->dev_started) {
+               rte_flow_error_set(error,
+                                  EINVAL,
+                                  RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+                                  NULL,
+                                  "Device must be started");
+               return NULL;
+       }
+
        flow = rte_zmalloc("bnxt_flow", sizeof(struct rte_flow), 0);
        if (!flow) {
                rte_flow_error_set(error, ENOMEM,
@@ -1588,15 +1649,7 @@ bnxt_flow_create(struct rte_eth_dev *dev,
                ret = bnxt_hwrm_set_ntuple_filter(bp, filter->dst_id, filter);
        }
 
-       for (i = 0; i < bp->max_vnics; i++) {
-               vnic = &bp->vnic_info[i];
-               if (vnic->fw_vnic_id != INVALID_VNIC_ID &&
-                   filter->dst_id == vnic->fw_vnic_id) {
-                       PMD_DRV_LOG(ERR, "Found matching VNIC Id %d\n",
-                                   vnic->ff_pool_idx);
-                       break;
-               }
-       }
+       vnic = find_matching_vnic(bp, filter);
 done:
        if (!ret || update_flow) {
                flow->filter = filter;
@@ -1639,7 +1692,7 @@ free_flow:
                rte_flow_error_set(error, 0,
                                   RTE_FLOW_ERROR_TYPE_NONE, NULL,
                                   "Flow with pattern exists, updating destination queue");
-       else if (!rte_errno)
+       else
                rte_flow_error_set(error, -ret,
                                   RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
                                   "Failed to create flow.");
@@ -1718,6 +1771,7 @@ bnxt_flow_destroy(struct rte_eth_dev *dev,
        ret = bnxt_match_filter(bp, filter);
        if (ret == 0)
                PMD_DRV_LOG(ERR, "Could not find matching flow\n");
+
        if (filter->filter_type == HWRM_CFA_EM_FILTER)
                ret = bnxt_hwrm_clear_em_filter(bp, filter);
        if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
@@ -1726,9 +1780,23 @@ bnxt_flow_destroy(struct rte_eth_dev *dev,
 
 done:
        if (!ret) {
+               STAILQ_REMOVE(&vnic->filter, filter, bnxt_filter_info, next);
                bnxt_free_filter(bp, filter);
                STAILQ_REMOVE(&vnic->flow_list, flow, rte_flow, next);
                rte_free(flow);
+
+               /* If this was the last flow associated with this vnic,
+                * switch the queue back to RSS pool.
+                */
+               if (vnic && STAILQ_EMPTY(&vnic->flow_list)) {
+                       rte_free(vnic->fw_grp_ids);
+                       if (vnic->rx_queue_cnt > 1)
+                               bnxt_hwrm_vnic_ctx_free(bp, vnic);
+
+                       bnxt_hwrm_vnic_free(bp, vnic);
+                       vnic->rx_queue_cnt = 0;
+                       bp->nr_vnics--;
+               }
        } else {
                rte_flow_error_set(error, -ret,
                                   RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
@@ -1747,8 +1815,11 @@ bnxt_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error)
        unsigned int i;
        int ret = 0;
 
-       for (i = 0; i < bp->nr_vnics; i++) {
+       for (i = 0; i < bp->max_vnics; i++) {
                vnic = &bp->vnic_info[i];
+               if (vnic->fw_vnic_id == INVALID_VNIC_ID)
+                       continue;
+
                STAILQ_FOREACH(flow, &vnic->flow_list, next) {
                        struct bnxt_filter_info *filter = flow->filter;
 
@@ -1769,6 +1840,8 @@ bnxt_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error)
                                ret = bnxt_hwrm_clear_em_filter(bp, filter);
                        if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
                                ret = bnxt_hwrm_clear_ntuple_filter(bp, filter);
+                       else if (!i)
+                               ret = bnxt_hwrm_clear_l2_filter(bp, filter);
 
                        if (ret) {
                                rte_flow_error_set