X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fvhost%2Fmain.c;h=9bfda6d4443fea6244ea0a1e51cd0cbb65234cdd;hb=badb3688ffa8e9731770e686ba84123783060c1b;hp=fc73d1e432e91d70b8d58b2d8e07cb0bf265e65c;hpb=1d493a49490fa90e09689d49280cff0d51d0193e;p=dpdk.git diff --git a/examples/vhost/main.c b/examples/vhost/main.c index fc73d1e432..9bfda6d444 100644 --- a/examples/vhost/main.c +++ b/examples/vhost/main.c @@ -61,28 +61,27 @@ /* * Calculate the number of buffers needed per port */ -#define NUM_MBUFS_PER_PORT ((MAX_QUEUES*RTE_TEST_RX_DESC_DEFAULT) + \ +#define NUM_MBUFS_PER_PORT ((MAX_QUEUES*RTE_TEST_RX_DESC_DEFAULT) + \ (num_switching_cores*MAX_PKT_BURST) + \ (num_switching_cores*RTE_TEST_TX_DESC_DEFAULT) +\ (num_switching_cores*MBUF_CACHE_SIZE)) -#define MBUF_CACHE_SIZE 128 -#define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM) +#define MBUF_CACHE_SIZE 128 +#define MBUF_DATA_SIZE RTE_MBUF_DEFAULT_BUF_SIZE /* * No frame data buffer allocated from host are required for zero copy * implementation, guest will allocate the frame data buffer, and vhost * directly use it. */ -#define VIRTIO_DESCRIPTOR_LEN_ZCP 1518 -#define MBUF_SIZE_ZCP (VIRTIO_DESCRIPTOR_LEN_ZCP + sizeof(struct rte_mbuf) \ - + RTE_PKTMBUF_HEADROOM) +#define VIRTIO_DESCRIPTOR_LEN_ZCP RTE_MBUF_DEFAULT_DATAROOM +#define MBUF_DATA_SIZE_ZCP RTE_MBUF_DEFAULT_BUF_SIZE #define MBUF_CACHE_SIZE_ZCP 0 -#define MAX_PKT_BURST 32 /* Max burst size for RX/TX */ -#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ +#define MAX_PKT_BURST 32 /* Max burst size for RX/TX */ +#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ -#define BURST_RX_WAIT_US 15 /* Defines how long we wait between retries on RX */ +#define BURST_RX_WAIT_US 15 /* Defines how long we wait between retries on RX */ #define BURST_RX_RETRIES 4 /* Number of retries on RX. */ #define JUMBO_FRAME_MAX_SIZE 0x2600 @@ -139,7 +138,7 @@ /* Number of descriptors per cacheline. */ #define DESC_PER_CACHELINE (RTE_CACHE_LINE_SIZE / sizeof(struct vring_desc)) -#define MBUF_EXT_MEM(mb) (RTE_MBUF_FROM_BADDR((mb)->buf_addr) != (mb)) +#define MBUF_EXT_MEM(mb) (rte_mbuf_from_indirect(mb) != (mb)) /* mask of enabled ports */ static uint32_t enabled_port_mask = 0; @@ -1106,7 +1105,7 @@ find_local_dest(struct virtio_net *dev, struct rte_mbuf *m, "(%"PRIu64") TX: pkt to local VM device id:" "(%"PRIu64") vlan tag: %d.\n", dev->device_fh, dev_ll->vdev->dev->device_fh, - vlan_tag); + (int)*vlan_tag); break; } @@ -1434,7 +1433,7 @@ put_desc_to_used_list_zcp(struct vhost_virtqueue *vq, uint16_t desc_idx) /* Kick the guest if necessary. */ if (!(vq->avail->flags & VRING_AVAIL_F_NO_INTERRUPT)) - eventfd_write((int)vq->callfd, 1); + eventfd_write(vq->callfd, (eventfd_t)1); } /* @@ -1550,7 +1549,7 @@ attach_rxmbuf_zcp(struct virtio_net *dev) static inline void pktmbuf_detach_zcp(struct rte_mbuf *m) { const struct rte_mempool *mp = m->pool; - void *buf = RTE_MBUF_TO_BADDR(m); + void *buf = rte_mbuf_to_baddr(m); uint32_t buf_ofs; uint32_t buf_len = mp->elt_size - sizeof(*m); m->buf_physaddr = rte_mempool_virt2phy(mp, m) + sizeof(*m); @@ -1627,7 +1626,7 @@ txmbuf_clean_zcp(struct virtio_net *dev, struct vpool *vpool) /* Kick guest if required. */ if (!(vq->avail->flags & VRING_AVAIL_F_NO_INTERRUPT)) - eventfd_write((int)vq->callfd, 1); + eventfd_write(vq->callfd, (eventfd_t)1); return 0; } @@ -1775,7 +1774,7 @@ virtio_dev_rx_zcp(struct virtio_net *dev, struct rte_mbuf **pkts, /* Kick the guest if necessary. */ if (!(vq->avail->flags & VRING_AVAIL_F_NO_INTERRUPT)) - eventfd_write((int)vq->callfd, 1); + eventfd_write(vq->callfd, (eventfd_t)1); return count; } @@ -2844,11 +2843,8 @@ static void setup_mempool_tbl(int socket, uint32_t index, char *pool_name, char *ring_name, uint32_t nb_mbuf) { - vpool_array[index].pool - = rte_mempool_create(pool_name, nb_mbuf, MBUF_SIZE_ZCP, - MBUF_CACHE_SIZE_ZCP, sizeof(struct rte_pktmbuf_pool_private), - rte_pktmbuf_pool_init, NULL, - rte_pktmbuf_init, NULL, socket, 0); + vpool_array[index].pool = rte_pktmbuf_pool_create(pool_name, nb_mbuf, + MBUF_CACHE_SIZE_ZCP, 0, MBUF_DATA_SIZE_ZCP, socket); if (vpool_array[index].pool != NULL) { vpool_array[index].ring = rte_ring_create(ring_name, @@ -2875,6 +2871,16 @@ setup_mempool_tbl(int socket, uint32_t index, char *pool_name, } } +/* When we receive a INT signal, unregister vhost driver */ +static void +sigint_handler(__rte_unused int signum) +{ + /* Unregister vhost driver. */ + int ret = rte_vhost_driver_unregister((char *)&dev_basename); + if (ret != 0) + rte_exit(EXIT_FAILURE, "vhost driver unregister failure.\n"); + exit(0); +} /* * Main function, does initialisation and calls the per-lcore functions. The CUSE @@ -2890,6 +2896,9 @@ main(int argc, char *argv[]) uint8_t portid; uint16_t queue_id; static pthread_t tid; + char thread_name[RTE_MAX_THREAD_NAME_LEN]; + + signal(SIGINT, sigint_handler); /* init EAL */ ret = rte_eal_init(argc, argv); @@ -2932,15 +2941,9 @@ main(int argc, char *argv[]) if (zero_copy == 0) { /* Create the mbuf pool. */ - mbuf_pool = rte_mempool_create( - "MBUF_POOL", - NUM_MBUFS_PER_PORT - * valid_num_ports, - MBUF_SIZE, MBUF_CACHE_SIZE, - sizeof(struct rte_pktmbuf_pool_private), - rte_pktmbuf_pool_init, NULL, - rte_pktmbuf_init, NULL, - rte_socket_id(), 0); + mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", + NUM_MBUFS_PER_PORT * valid_num_ports, MBUF_CACHE_SIZE, + 0, MBUF_DATA_SIZE, rte_socket_id()); if (mbuf_pool == NULL) rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n"); @@ -3016,8 +3019,19 @@ main(int argc, char *argv[]) memset(&dev_statistics, 0, sizeof(dev_statistics)); /* Enable stats if the user option is set. */ - if (enable_stats) - pthread_create(&tid, NULL, (void*)print_stats, NULL ); + if (enable_stats) { + ret = pthread_create(&tid, NULL, (void *)print_stats, NULL); + if (ret != 0) + rte_exit(EXIT_FAILURE, + "Cannot create print-stats thread\n"); + + /* Set thread_name for aid in debugging. */ + snprintf(thread_name, RTE_MAX_THREAD_NAME_LEN, "print-stats"); + ret = rte_thread_setname(tid, thread_name); + if (ret != 0) + RTE_LOG(ERR, VHOST_CONFIG, + "Cannot set print-stats name\n"); + } /* Launch all data cores. */ if (zero_copy == 0) { @@ -3061,10 +3075,10 @@ main(int argc, char *argv[]) if (mergeable == 0) rte_vhost_feature_disable(1ULL << VIRTIO_NET_F_MRG_RXBUF); - /* Register CUSE device to handle IOCTLs. */ + /* Register vhost(cuse or user) driver to handle vhost messages. */ ret = rte_vhost_driver_register((char *)&dev_basename); if (ret != 0) - rte_exit(EXIT_FAILURE,"CUSE device setup failure.\n"); + rte_exit(EXIT_FAILURE, "vhost driver register failure.\n"); rte_vhost_driver_callback_register(&virtio_net_device_ops); @@ -3073,4 +3087,3 @@ main(int argc, char *argv[]) return 0; } -