net/bnxt: fix setting max RSS contexts
[dpdk.git] / drivers / net / vhost / rte_eth_vhost.c
index aa60522..46f01a7 100644 (file)
@@ -30,6 +30,8 @@ enum {VIRTIO_RXQ, VIRTIO_TXQ, VIRTIO_QNUM};
 #define ETH_VHOST_CLIENT_ARG           "client"
 #define ETH_VHOST_DEQUEUE_ZERO_COPY    "dequeue-zero-copy"
 #define ETH_VHOST_IOMMU_SUPPORT                "iommu-support"
+#define ETH_VHOST_POSTCOPY_SUPPORT     "postcopy-support"
+#define ETH_VHOST_VIRTIO_NET_F_HOST_TSO "tso"
 #define VHOST_MAX_PKT_BURST 32
 
 static const char *valid_arguments[] = {
@@ -38,10 +40,12 @@ static const char *valid_arguments[] = {
        ETH_VHOST_CLIENT_ARG,
        ETH_VHOST_DEQUEUE_ZERO_COPY,
        ETH_VHOST_IOMMU_SUPPORT,
+       ETH_VHOST_POSTCOPY_SUPPORT,
+       ETH_VHOST_VIRTIO_NET_F_HOST_TSO,
        NULL
 };
 
-static struct ether_addr base_eth_addr = {
+static struct rte_ether_addr base_eth_addr = {
        .addr_bytes = {
                0x56 /* V */,
                0x48 /* H */,
@@ -214,7 +218,7 @@ static const struct vhost_xstats_name_off vhost_txport_stat_strings[] = {
 #define VHOST_NB_XSTATS_TXPORT (sizeof(vhost_txport_stat_strings) / \
                                sizeof(vhost_txport_stat_strings[0]))
 
-static void
+static int
 vhost_dev_xstats_reset(struct rte_eth_dev *dev)
 {
        struct vhost_queue *vq = NULL;
@@ -232,6 +236,8 @@ vhost_dev_xstats_reset(struct rte_eth_dev *dev)
                        continue;
                memset(&vq->stats, 0, sizeof(vq->stats));
        }
+
+       return 0;
 }
 
 static int
@@ -323,12 +329,12 @@ static inline void
 vhost_count_multicast_broadcast(struct vhost_queue *vq,
                                struct rte_mbuf *mbuf)
 {
-       struct ether_addr *ea = NULL;
+       struct rte_ether_addr *ea = NULL;
        struct vhost_stats *pstats = &vq->stats;
 
-       ea = rte_pktmbuf_mtod(mbuf, struct ether_addr *);
-       if (is_multicast_ether_addr(ea)) {
-               if (is_broadcast_ether_addr(ea))
+       ea = rte_pktmbuf_mtod(mbuf, struct rte_ether_addr *);
+       if (rte_is_multicast_ether_addr(ea)) {
+               if (rte_is_broadcast_ether_addr(ea))
                        pstats->xstats[VHOST_BROADCAST_PKT]++;
                else
                        pstats->xstats[VHOST_MULTICAST_PKT]++;
@@ -849,6 +855,10 @@ vring_state_changed(int vid, uint16_t vring, int enable)
        /* won't be NULL */
        state = vring_states[eth_dev->data->port_id];
        rte_spinlock_lock(&state->lock);
+       if (state->cur[vring] == enable) {
+               rte_spinlock_unlock(&state->lock);
+               return 0;
+       }
        state->cur[vring] = enable;
        state->max_vring = RTE_MAX(vring, state->max_vring);
        rte_spinlock_unlock(&state->lock);
@@ -998,12 +1008,14 @@ eth_dev_close(struct rte_eth_dev *dev)
                for (i = 0; i < dev->data->nb_tx_queues; i++)
                        rte_free(dev->data->tx_queues[i]);
 
-       rte_free(dev->data->mac_addrs);
        free(internal->dev_name);
        free(internal->iface_name);
        rte_free(internal);
 
        dev->data->dev_private = NULL;
+
+       rte_free(vring_states[dev->data->port_id]);
+       vring_states[dev->data->port_id] = NULL;
 }
 
 static int
@@ -1050,7 +1062,7 @@ eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
        return 0;
 }
 
-static void
+static int
 eth_dev_info(struct rte_eth_dev *dev,
             struct rte_eth_dev_info *dev_info)
 {
@@ -1059,7 +1071,7 @@ eth_dev_info(struct rte_eth_dev *dev,
        internal = dev->data->dev_private;
        if (internal == NULL) {
                VHOST_LOG(ERR, "Invalid device specified\n");
-               return;
+               return -ENODEV;
        }
 
        dev_info->max_mac_addrs = 1;
@@ -1071,13 +1083,15 @@ eth_dev_info(struct rte_eth_dev *dev,
        dev_info->tx_offload_capa = DEV_TX_OFFLOAD_MULTI_SEGS |
                                DEV_TX_OFFLOAD_VLAN_INSERT;
        dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP;
+
+       return 0;
 }
 
 static int
 eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 {
        unsigned i;
-       unsigned long rx_total = 0, tx_total = 0, tx_missed_total = 0;
+       unsigned long rx_total = 0, tx_total = 0;
        unsigned long rx_total_bytes = 0, tx_total_bytes = 0;
        struct vhost_queue *vq;
 
@@ -1099,7 +1113,6 @@ eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
                        continue;
                vq = dev->data->tx_queues[i];
                stats->q_opackets[i] = vq->stats.pkts;
-               tx_missed_total += vq->stats.missed_pkts;
                tx_total += stats->q_opackets[i];
 
                stats->q_obytes[i] = vq->stats.bytes;
@@ -1108,14 +1121,13 @@ eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 
        stats->ipackets = rx_total;
        stats->opackets = tx_total;
-       stats->oerrors = tx_missed_total;
        stats->ibytes = rx_total_bytes;
        stats->obytes = tx_total_bytes;
 
        return 0;
 }
 
-static void
+static int
 eth_stats_reset(struct rte_eth_dev *dev)
 {
        struct vhost_queue *vq;
@@ -1136,6 +1148,8 @@ eth_stats_reset(struct rte_eth_dev *dev)
                vq->stats.bytes = 0;
                vq->stats.missed_pkts = 0;
        }
+
+       return 0;
 }
 
 static void
@@ -1195,17 +1209,16 @@ static const struct eth_dev_ops ops = {
        .rx_queue_intr_disable = eth_rxq_intr_disable,
 };
 
-static struct rte_vdev_driver pmd_vhost_drv;
-
 static int
 eth_dev_vhost_create(struct rte_vdev_device *dev, char *iface_name,
-       int16_t queues, const unsigned int numa_node, uint64_t flags)
+       int16_t queues, const unsigned int numa_node, uint64_t flags,
+       uint64_t disable_flags)
 {
        const char *name = rte_vdev_device_name(dev);
        struct rte_eth_dev_data *data;
        struct pmd_internal *internal = NULL;
        struct rte_eth_dev *eth_dev = NULL;
-       struct ether_addr *eth_addr = NULL;
+       struct rte_ether_addr *eth_addr = NULL;
        struct rte_vhost_vring_state *vring_state = NULL;
        struct internal_list *list = NULL;
 
@@ -1220,10 +1233,12 @@ eth_dev_vhost_create(struct rte_vdev_device *dev, char *iface_name,
        eth_dev = rte_eth_vdev_allocate(dev, sizeof(*internal));
        if (eth_dev == NULL)
                goto error;
+       data = eth_dev->data;
 
        eth_addr = rte_zmalloc_socket(name, sizeof(*eth_addr), 0, numa_node);
        if (eth_addr == NULL)
                goto error;
+       data->mac_addrs = eth_addr;
        *eth_addr = base_eth_addr;
        eth_addr->addr_bytes[5] = eth_dev->data->port_id;
 
@@ -1253,14 +1268,12 @@ eth_dev_vhost_create(struct rte_vdev_device *dev, char *iface_name,
        rte_spinlock_init(&vring_state->lock);
        vring_states[eth_dev->data->port_id] = vring_state;
 
-       data = eth_dev->data;
        data->nb_rx_queues = queues;
        data->nb_tx_queues = queues;
        internal->max_queues = queues;
        internal->vid = -1;
        data->dev_link = pmd_link;
-       data->mac_addrs = eth_addr;
-       data->dev_flags = RTE_ETH_DEV_INTR_LSC;
+       data->dev_flags = RTE_ETH_DEV_INTR_LSC | RTE_ETH_DEV_CLOSE_REMOVE;
 
        eth_dev->dev_ops = &ops;
 
@@ -1271,6 +1284,12 @@ eth_dev_vhost_create(struct rte_vdev_device *dev, char *iface_name,
        if (rte_vhost_driver_register(iface_name, flags))
                goto error;
 
+       if (disable_flags) {
+               if (rte_vhost_driver_disable_features(iface_name,
+                                       disable_flags))
+                       goto error;
+       }
+
        if (rte_vhost_driver_callback_register(iface_name, &vhost_ops) < 0) {
                VHOST_LOG(ERR, "Can't register callbacks\n");
                goto error;
@@ -1291,10 +1310,7 @@ error:
                free(internal->dev_name);
        }
        rte_free(vring_state);
-       rte_free(eth_addr);
-       if (eth_dev)
-               rte_eth_dev_release_port(eth_dev);
-       rte_free(internal);
+       rte_eth_dev_release_port(eth_dev);
        rte_free(list);
 
        return -1;
@@ -1336,16 +1352,18 @@ rte_pmd_vhost_probe(struct rte_vdev_device *dev)
        char *iface_name;
        uint16_t queues;
        uint64_t flags = 0;
+       uint64_t disable_flags = 0;
        int client_mode = 0;
        int dequeue_zero_copy = 0;
        int iommu_support = 0;
+       int postcopy_support = 0;
+       int tso = 0;
        struct rte_eth_dev *eth_dev;
        const char *name = rte_vdev_device_name(dev);
 
        VHOST_LOG(INFO, "Initializing pmd_vhost for %s\n", name);
 
-       if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
-           strlen(rte_vdev_device_args(dev)) == 0) {
+       if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
                eth_dev = rte_eth_dev_attach_secondary(name);
                if (!eth_dev) {
                        VHOST_LOG(ERR, "Failed to probe %s\n", name);
@@ -1411,11 +1429,34 @@ rte_pmd_vhost_probe(struct rte_vdev_device *dev)
                        flags |= RTE_VHOST_USER_IOMMU_SUPPORT;
        }
 
+       if (rte_kvargs_count(kvlist, ETH_VHOST_POSTCOPY_SUPPORT) == 1) {
+               ret = rte_kvargs_process(kvlist, ETH_VHOST_POSTCOPY_SUPPORT,
+                                        &open_int, &postcopy_support);
+               if (ret < 0)
+                       goto out_free;
+
+               if (postcopy_support)
+                       flags |= RTE_VHOST_USER_POSTCOPY_SUPPORT;
+       }
+
+       if (rte_kvargs_count(kvlist, ETH_VHOST_VIRTIO_NET_F_HOST_TSO) == 1) {
+               ret = rte_kvargs_process(kvlist,
+                               ETH_VHOST_VIRTIO_NET_F_HOST_TSO,
+                               &open_int, &tso);
+               if (ret < 0)
+                       goto out_free;
+
+               if (tso == 0) {
+                       disable_flags |= (1ULL << VIRTIO_NET_F_HOST_TSO4);
+                       disable_flags |= (1ULL << VIRTIO_NET_F_HOST_TSO6);
+               }
+       }
+
        if (dev->device.numa_node == SOCKET_ID_ANY)
                dev->device.numa_node = rte_socket_id();
 
        eth_dev_vhost_create(dev, iface_name, queues, dev->device.numa_node,
-               flags);
+               flags, disable_flags);
 
 out_free:
        rte_kvargs_free(kvlist);
@@ -1434,12 +1475,12 @@ rte_pmd_vhost_remove(struct rte_vdev_device *dev)
        /* find an ethdev entry */
        eth_dev = rte_eth_dev_allocated(name);
        if (eth_dev == NULL)
-               return -ENODEV;
+               return 0;
 
-       eth_dev_close(eth_dev);
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+               return rte_eth_dev_release_port(eth_dev);
 
-       rte_free(vring_states[eth_dev->data->port_id]);
-       vring_states[eth_dev->data->port_id] = NULL;
+       eth_dev_close(eth_dev);
 
        rte_eth_dev_release_port(eth_dev);
 
@@ -1455,7 +1496,12 @@ RTE_PMD_REGISTER_VDEV(net_vhost, pmd_vhost_drv);
 RTE_PMD_REGISTER_ALIAS(net_vhost, eth_vhost);
 RTE_PMD_REGISTER_PARAM_STRING(net_vhost,
        "iface=<ifc> "
-       "queues=<int>");
+       "queues=<int> "
+       "client=<0|1> "
+       "dequeue-zero-copy=<0|1> "
+       "iommu-support=<0|1> "
+       "postcopy-support=<0|1> "
+       "tso=<0|1>");
 
 RTE_INIT(vhost_init_log)
 {