New upstream version 17.11.4
[deb_dpdk.git] / drivers / net / enic / enic_main.c
index 8af0ccd..f946abf 100644 (file)
@@ -782,25 +782,23 @@ int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
        static int instance;
 
        wq->socket_id = socket_id;
-       if (nb_desc) {
-               if (nb_desc > enic->config.wq_desc_count) {
-                       dev_warning(enic,
-                               "WQ %d - number of tx desc in cmd line (%d)"\
-                               "is greater than that in the UCSM/CIMC adapter"\
-                               "policy.  Applying the value in the adapter "\
-                               "policy (%d)\n",
-                               queue_idx, nb_desc, enic->config.wq_desc_count);
-               } else if (nb_desc != enic->config.wq_desc_count) {
-                       enic->config.wq_desc_count = nb_desc;
-                       dev_info(enic,
-                               "TX Queues - effective number of descs:%d\n",
-                               nb_desc);
-               }
+       if (nb_desc > enic->config.wq_desc_count) {
+               dev_warning(enic,
+                           "WQ %d - number of tx desc in cmd line (%d) "
+                           "is greater than that in the UCSM/CIMC adapter "
+                           "policy.  Applying the value in the adapter "
+                           "policy (%d)\n",
+                           queue_idx, nb_desc, enic->config.wq_desc_count);
+               nb_desc = enic->config.wq_desc_count;
+       } else if (nb_desc != enic->config.wq_desc_count) {
+               dev_info(enic,
+                        "TX Queues - effective number of descs:%d\n",
+                        nb_desc);
        }
 
        /* Allocate queue resources */
        err = vnic_wq_alloc(enic->vdev, &enic->wq[queue_idx], queue_idx,
-               enic->config.wq_desc_count,
+               nb_desc,
                sizeof(struct wq_enet_desc));
        if (err) {
                dev_err(enic, "error in allocation of wq\n");
@@ -808,7 +806,7 @@ int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
        }
 
        err = vnic_cq_alloc(enic->vdev, &enic->cq[cq_index], cq_index,
-               socket_id, enic->config.wq_desc_count,
+               socket_id, nb_desc,
                sizeof(struct cq_enet_wq_desc));
        if (err) {
                vnic_wq_free(wq);
@@ -1075,6 +1073,9 @@ static void enic_dev_deinit(struct enic *enic)
        vnic_dev_notify_unset(enic->vdev);
 
        rte_free(eth_dev->data->mac_addrs);
+       rte_free(enic->cq);
+       rte_free(enic->rq);
+       rte_free(enic->wq);
 }
 
 
@@ -1082,27 +1083,28 @@ int enic_set_vnic_res(struct enic *enic)
 {
        struct rte_eth_dev *eth_dev = enic->rte_dev;
        int rc = 0;
+       unsigned int required_rq, required_wq, required_cq;
 
-       /* With Rx scatter support, two RQs are now used per RQ used by
-        * the application.
-        */
-       if (enic->conf_rq_count < eth_dev->data->nb_rx_queues) {
+       /* Always use two vNIC RQs per eth_dev RQ, regardless of Rx scatter. */
+       required_rq = eth_dev->data->nb_rx_queues * 2;
+       required_wq = eth_dev->data->nb_tx_queues;
+       required_cq = eth_dev->data->nb_rx_queues + eth_dev->data->nb_tx_queues;
+
+       if (enic->conf_rq_count < required_rq) {
                dev_err(dev, "Not enough Receive queues. Requested:%u which uses %d RQs on VIC, Configured:%u\n",
                        eth_dev->data->nb_rx_queues,
-                       eth_dev->data->nb_rx_queues * 2, enic->conf_rq_count);
+                       required_rq, enic->conf_rq_count);
                rc = -EINVAL;
        }
-       if (enic->conf_wq_count < eth_dev->data->nb_tx_queues) {
+       if (enic->conf_wq_count < required_wq) {
                dev_err(dev, "Not enough Transmit queues. Requested:%u, Configured:%u\n",
                        eth_dev->data->nb_tx_queues, enic->conf_wq_count);
                rc = -EINVAL;
        }
 
-       if (enic->conf_cq_count < (eth_dev->data->nb_rx_queues +
-                                  eth_dev->data->nb_tx_queues)) {
+       if (enic->conf_cq_count < required_cq) {
                dev_err(dev, "Not enough Completion queues. Required:%u, Configured:%u\n",
-                       (eth_dev->data->nb_rx_queues +
-                        eth_dev->data->nb_tx_queues), enic->conf_cq_count);
+                       required_cq, enic->conf_cq_count);
                rc = -EINVAL;
        }
 
@@ -1248,6 +1250,8 @@ int enic_set_mtu(struct enic *enic, uint16_t new_mtu)
        /* free and reallocate RQs with the new MTU */
        for (rq_idx = 0; rq_idx < enic->rq_count; rq_idx++) {
                rq = &enic->rq[enic_rte_rq_idx_to_sop_idx(rq_idx)];
+               if (!rq->in_use)
+                       continue;
 
                enic_free_rq(rq);
                rc = enic_alloc_rq(enic, rq_idx, rq->socket_id, rq->mp,
@@ -1307,6 +1311,25 @@ static int enic_dev_init(struct enic *enic)
                dev_err(enic, "See the ENIC PMD guide for more information.\n");
                return -EINVAL;
        }
+       /* Queue counts may be zeros. rte_zmalloc returns NULL in that case. */
+       enic->cq = rte_zmalloc("enic_vnic_cq", sizeof(struct vnic_cq) *
+                              enic->conf_cq_count, 8);
+       enic->rq = rte_zmalloc("enic_vnic_rq", sizeof(struct vnic_rq) *
+                              enic->conf_rq_count, 8);
+       enic->wq = rte_zmalloc("enic_vnic_wq", sizeof(struct vnic_wq) *
+                              enic->conf_wq_count, 8);
+       if (enic->conf_cq_count > 0 && enic->cq == NULL) {
+               dev_err(enic, "failed to allocate vnic_cq, aborting.\n");
+               return -1;
+       }
+       if (enic->conf_rq_count > 0 && enic->rq == NULL) {
+               dev_err(enic, "failed to allocate vnic_rq, aborting.\n");
+               return -1;
+       }
+       if (enic->conf_wq_count > 0 && enic->wq == NULL) {
+               dev_err(enic, "failed to allocate vnic_wq, aborting.\n");
+               return -1;
+       }
 
        /* Get the supported filters */
        enic_fdir_info(enic);
@@ -1360,6 +1383,15 @@ int enic_probe(struct enic *enic)
                enic_alloc_consistent,
                enic_free_consistent);
 
+       /*
+        * Allocate the consistent memory for stats upfront so both primary and
+        * secondary processes can dump stats.
+        */
+       err = vnic_dev_alloc_stats_mem(enic->vdev);
+       if (err) {
+               dev_err(enic, "Failed to allocate cmd memory, aborting\n");
+               goto err_out_unregister;
+       }
        /* Issue device open to get device in known state */
        err = enic_dev_open(enic);
        if (err) {
@@ -1368,8 +1400,10 @@ int enic_probe(struct enic *enic)
        }
 
        /* Set ingress vlan rewrite mode before vnic initialization */
+       dev_debug(enic, "Set ig_vlan_rewrite_mode=%u\n",
+                 enic->ig_vlan_rewrite_mode);
        err = vnic_dev_set_ig_vlan_rewrite_mode(enic->vdev,
-               IG_VLAN_REWRITE_MODE_PASS_THRU);
+               enic->ig_vlan_rewrite_mode);
        if (err) {
                dev_err(enic,
                        "Failed to set ingress vlan rewrite mode, aborting.\n");