net/iavf: fix resource leak on probing failure
[dpdk.git] / drivers / net / iavf / iavf_ethdev.c
index c06873d..c131461 100644 (file)
@@ -122,6 +122,7 @@ static int iavf_dev_flow_ops_get(struct rte_eth_dev *dev,
 static int iavf_set_mc_addr_list(struct rte_eth_dev *dev,
                        struct rte_ether_addr *mc_addrs,
                        uint32_t mc_addrs_num);
+static int iavf_tm_ops_get(struct rte_eth_dev *dev __rte_unused, void *arg);
 
 static const struct rte_pci_id pci_id_iavf_map[] = {
        { RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_ADAPTIVE_VF) },
@@ -200,8 +201,21 @@ static const struct eth_dev_ops iavf_eth_dev_ops = {
        .flow_ops_get               = iavf_dev_flow_ops_get,
        .tx_done_cleanup            = iavf_dev_tx_done_cleanup,
        .get_monitor_addr           = iavf_get_monitor_addr,
+       .tm_ops_get                 = iavf_tm_ops_get,
 };
 
+static int
+iavf_tm_ops_get(struct rte_eth_dev *dev __rte_unused,
+                       void *arg)
+{
+       if (!arg)
+               return -EINVAL;
+
+       *(const void **)arg = &iavf_tm_ops;
+
+       return 0;
+}
+
 static int
 iavf_set_mc_addr_list(struct rte_eth_dev *dev,
                        struct rte_ether_addr *mc_addrs,
@@ -245,7 +259,7 @@ iavf_set_mc_addr_list(struct rte_eth_dev *dev,
        return err;
 }
 
-static int
+static void
 iavf_config_rss_hf(struct iavf_adapter *adapter, uint64_t rss_hf)
 {
        static const uint64_t map_hena_rss[] = {
@@ -305,8 +319,16 @@ iavf_config_rss_hf(struct iavf_adapter *adapter, uint64_t rss_hf)
        int ret;
 
        ret = iavf_get_hena_caps(adapter, &caps);
-       if (ret)
-               return ret;
+       if (ret) {
+               /**
+                * RSS offload type configuration is not a necessary feature
+                * for VF, so here just print a warning and return.
+                */
+               PMD_DRV_LOG(WARNING,
+                           "fail to get RSS offload type caps, ret: %d", ret);
+               return;
+       }
+
        /**
         * ETH_RSS_IPV4 and ETH_RSS_IPV6 can be considered as 2
         * generalizations of all other IPv4 and IPv6 RSS types.
@@ -329,8 +351,15 @@ iavf_config_rss_hf(struct iavf_adapter *adapter, uint64_t rss_hf)
        }
 
        ret = iavf_set_hena(adapter, hena);
-       if (ret)
-               return ret;
+       if (ret) {
+               /**
+                * RSS offload type configuration is not a necessary feature
+                * for VF, so here just print a warning and return.
+                */
+               PMD_DRV_LOG(WARNING,
+                           "fail to set RSS offload types, ret: %d", ret);
+               return;
+       }
 
        if (valid_rss_hf & ipv4_rss)
                valid_rss_hf |= rss_hf & ETH_RSS_IPV4;
@@ -343,7 +372,6 @@ iavf_config_rss_hf(struct iavf_adapter *adapter, uint64_t rss_hf)
                            rss_hf & ~valid_rss_hf);
 
        vf->rss_hf = valid_rss_hf;
-       return 0;
 }
 
 static int
@@ -366,7 +394,7 @@ iavf_init_rss(struct iavf_adapter *adapter)
        /* configure RSS key */
        if (!rss_conf->rss_key) {
                /* Calculate the default hash key */
-               for (i = 0; i <= vf->vf_res->rss_key_size; i++)
+               for (i = 0; i < vf->vf_res->rss_key_size; i++)
                        vf->rss_key[i] = (uint8_t)rte_rand();
        } else
                rte_memcpy(vf->rss_key, rss_conf->rss_key,
@@ -395,9 +423,7 @@ iavf_init_rss(struct iavf_adapter *adapter)
                        return ret;
                }
        } else {
-               ret = iavf_config_rss_hf(adapter, rss_conf->rss_hf);
-               if (ret != -ENOTSUP)
-                       return ret;
+               iavf_config_rss_hf(adapter, rss_conf->rss_hf);
        }
 
        return 0;
@@ -548,13 +574,14 @@ iavf_init_rxq(struct rte_eth_dev *dev, struct iavf_rx_queue *rxq)
 {
        struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
        struct rte_eth_dev_data *dev_data = dev->data;
-       uint16_t buf_size, max_pkt_len, len;
+       uint16_t buf_size, max_pkt_len;
 
        buf_size = rte_pktmbuf_data_room_size(rxq->mp) - RTE_PKTMBUF_HEADROOM;
 
        /* Calculate the maximum packet length allowed */
-       len = rxq->rx_buf_len * IAVF_MAX_CHAINED_RX_BUFFERS;
-       max_pkt_len = RTE_MIN(len, dev->data->dev_conf.rxmode.max_rx_pkt_len);
+       max_pkt_len = RTE_MIN((uint32_t)
+                       rxq->rx_buf_len * IAVF_MAX_CHAINED_RX_BUFFERS,
+                       dev->data->dev_conf.rxmode.max_rx_pkt_len);
 
        /* Check if the jumbo frame and maximum packet length are set
         * correctly.
@@ -806,6 +833,12 @@ iavf_dev_start(struct rte_eth_dev *dev)
                                      dev->data->nb_tx_queues);
        num_queue_pairs = vf->num_queue_pairs;
 
+       if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_QOS)
+               if (iavf_get_qos_cap(adapter)) {
+                       PMD_INIT_LOG(ERR, "Failed to get qos capability");
+                       return -1;
+               }
+
        if (iavf_init_queues(dev) != 0) {
                PMD_DRV_LOG(ERR, "failed to do Queue init");
                return -1;
@@ -1380,9 +1413,7 @@ iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
                        return ret;
                }
        } else {
-               ret = iavf_config_rss_hf(adapter, rss_conf->rss_hf);
-               if (ret != -ENOTSUP)
-                       return ret;
+               iavf_config_rss_hf(adapter, rss_conf->rss_hf);
        }
 
        return 0;
@@ -1455,24 +1486,14 @@ iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
        ret = iavf_add_del_eth_addr(adapter, old_addr, false, VIRTCHNL_ETHER_ADDR_PRIMARY);
        if (ret)
                PMD_DRV_LOG(ERR, "Fail to delete old MAC:"
-                           " %02X:%02X:%02X:%02X:%02X:%02X",
-                           old_addr->addr_bytes[0],
-                           old_addr->addr_bytes[1],
-                           old_addr->addr_bytes[2],
-                           old_addr->addr_bytes[3],
-                           old_addr->addr_bytes[4],
-                           old_addr->addr_bytes[5]);
+                           RTE_ETHER_ADDR_PRT_FMT,
+                               RTE_ETHER_ADDR_BYTES(old_addr));
 
        ret = iavf_add_del_eth_addr(adapter, mac_addr, true, VIRTCHNL_ETHER_ADDR_PRIMARY);
        if (ret)
                PMD_DRV_LOG(ERR, "Fail to add new MAC:"
-                           " %02X:%02X:%02X:%02X:%02X:%02X",
-                           mac_addr->addr_bytes[0],
-                           mac_addr->addr_bytes[1],
-                           mac_addr->addr_bytes[2],
-                           mac_addr->addr_bytes[3],
-                           mac_addr->addr_bytes[4],
-                           mac_addr->addr_bytes[5]);
+                           RTE_ETHER_ADDR_PRT_FMT,
+                               RTE_ETHER_ADDR_BYTES(mac_addr));
 
        if (ret)
                return -EIO;
@@ -2090,6 +2111,7 @@ iavf_init_vf(struct rte_eth_dev *dev)
                PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
                goto err_api;
        }
+
        if (iavf_get_vf_resource(adapter) != 0) {
                PMD_INIT_LOG(ERR, "iavf_get_vf_config failed");
                goto err_alloc;
@@ -2124,6 +2146,18 @@ iavf_init_vf(struct rte_eth_dev *dev)
                }
        }
 
+       if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_QOS) {
+               bufsz = sizeof(struct virtchnl_qos_cap_list) +
+                       IAVF_MAX_TRAFFIC_CLASS *
+                       sizeof(struct virtchnl_qos_cap_elem);
+               vf->qos_cap = rte_zmalloc("qos_cap", bufsz, 0);
+               if (!vf->qos_cap) {
+                       PMD_INIT_LOG(ERR, "unable to allocate qos_cap memory");
+                       goto err_rss;
+               }
+               iavf_tm_conf_init(dev);
+       }
+
        iavf_init_proto_xtr(dev);
 
        return 0;
@@ -2131,6 +2165,7 @@ err_rss:
        rte_free(vf->rss_key);
        rte_free(vf->rss_lut);
 err_alloc:
+       rte_free(vf->qos_cap);
        rte_free(vf->vf_res);
        vf->vsi_res = NULL;
 err_api:
@@ -2141,6 +2176,30 @@ err:
        return -1;
 }
 
+static void
+iavf_uninit_vf(struct rte_eth_dev *dev)
+{
+       struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+
+       iavf_shutdown_adminq(hw);
+
+       rte_free(vf->vf_res);
+       vf->vsi_res = NULL;
+       vf->vf_res = NULL;
+
+       rte_free(vf->aq_resp);
+       vf->aq_resp = NULL;
+
+       rte_free(vf->qos_cap);
+       vf->qos_cap = NULL;
+
+       rte_free(vf->rss_lut);
+       vf->rss_lut = NULL;
+       rte_free(vf->rss_key);
+       vf->rss_key = NULL;
+}
+
 /* Enable default admin queue interrupt setting */
 static inline void
 iavf_enable_irq0(struct iavf_hw *hw)
@@ -2269,7 +2328,8 @@ iavf_dev_init(struct rte_eth_dev *eth_dev)
                PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to"
                             " store MAC addresses",
                             RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX);
-               return -ENOMEM;
+               ret = -ENOMEM;
+               goto init_vf_err;
        }
        /* If the MAC address is not configured by host,
         * generate a random one.
@@ -2294,12 +2354,21 @@ iavf_dev_init(struct rte_eth_dev *eth_dev)
        ret = iavf_flow_init(adapter);
        if (ret) {
                PMD_INIT_LOG(ERR, "Failed to initialize flow");
-               return ret;
+               goto flow_init_err;
        }
 
        iavf_default_rss_disable(adapter);
 
        return 0;
+
+flow_init_err:
+       rte_free(eth_dev->data->mac_addrs);
+       eth_dev->data->mac_addrs = NULL;
+
+init_vf_err:
+       iavf_uninit_vf(eth_dev);
+
+       return ret;
 }
 
 static int
@@ -2338,6 +2407,9 @@ iavf_dev_close(struct rte_eth_dev *dev)
                                     iavf_dev_interrupt_handler, dev);
        iavf_disable_irq0(hw);
 
+       if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_QOS)
+               iavf_tm_conf_uninit(dev);
+
        if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
                if (vf->rss_lut) {
                        rte_free(vf->rss_lut);
@@ -2356,7 +2428,15 @@ iavf_dev_close(struct rte_eth_dev *dev)
        rte_free(vf->aq_resp);
        vf->aq_resp = NULL;
 
-       vf->vf_reset = false;
+       /*
+        * If the VF is reset via VFLR, the device will be knocked out of bus
+        * master mode, and the driver will fail to recover from the reset. Fix
+        * this by enabling bus mastering after every reset. In a non-VFLR case,
+        * the bus master bit will not be disabled, and this call will have no
+        * effect.
+        */
+       if (vf->vf_reset && !rte_pci_set_bus_master(pci_dev, true))
+               vf->vf_reset = false;
 
        return ret;
 }
@@ -2440,7 +2520,6 @@ static int
 iavf_drv_i40evf_selected(struct rte_devargs *devargs, uint16_t device_id)
 {
        struct rte_kvargs *kvlist;
-       const char *key = "driver";
        int ret = 0;
 
        if (device_id != IAVF_DEV_ID_VF &&
@@ -2456,13 +2535,13 @@ iavf_drv_i40evf_selected(struct rte_devargs *devargs, uint16_t device_id)
        if (kvlist == NULL)
                return 0;
 
-       if (!rte_kvargs_count(kvlist, key))
+       if (!rte_kvargs_count(kvlist, RTE_DEVARGS_KEY_DRIVER))
                goto exit;
 
        /* i40evf driver selected when there's a key-value pair:
         * driver=i40evf
         */
-       if (rte_kvargs_process(kvlist, key,
+       if (rte_kvargs_process(kvlist, RTE_DEVARGS_KEY_DRIVER,
                               iavf_drv_i40evf_check_handler, NULL) < 0)
                goto exit;
 
@@ -2502,11 +2581,11 @@ RTE_PMD_REGISTER_PCI(net_iavf, rte_iavf_pmd);
 RTE_PMD_REGISTER_PCI_TABLE(net_iavf, pci_id_iavf_map);
 RTE_PMD_REGISTER_KMOD_DEP(net_iavf, "* igb_uio | vfio-pci");
 RTE_PMD_REGISTER_PARAM_STRING(net_iavf, "cap=dcf driver=i40evf");
-RTE_LOG_REGISTER(iavf_logtype_init, pmd.net.iavf.init, NOTICE);
-RTE_LOG_REGISTER(iavf_logtype_driver, pmd.net.iavf.driver, NOTICE);
+RTE_LOG_REGISTER_SUFFIX(iavf_logtype_init, init, NOTICE);
+RTE_LOG_REGISTER_SUFFIX(iavf_logtype_driver, driver, NOTICE);
 #ifdef RTE_ETHDEV_DEBUG_RX
-RTE_LOG_REGISTER(iavf_logtype_rx, pmd.net.iavf.rx, DEBUG);
+RTE_LOG_REGISTER_SUFFIX(iavf_logtype_rx, rx, DEBUG);
 #endif
 #ifdef RTE_ETHDEV_DEBUG_TX
-RTE_LOG_REGISTER(iavf_logtype_tx, pmd.net.iavf.tx, DEBUG);
+RTE_LOG_REGISTER_SUFFIX(iavf_logtype_tx, tx, DEBUG);
 #endif