#include "virtio_logs.h"
#include "virtqueue.h"
#include "virtio_rxtx.h"
+#include "virtio_rxtx_simple.h"
#include "virtio_user/virtio_user_dev.h"
static int virtio_dev_configure(struct rte_eth_dev *dev);
int queue_type = virtio_get_queue_type(hw, queue_idx);
int ret;
int numa_node = dev->device->numa_node;
+ struct rte_mbuf *fake_mbuf = NULL;
PMD_INIT_LOG(INFO, "setting up queue: %u on NUMA node %d",
queue_idx, numa_node);
goto free_hdr_mz;
}
+ fake_mbuf = rte_zmalloc_socket("sw_ring", sizeof(*fake_mbuf),
+ RTE_CACHE_LINE_SIZE, numa_node);
+ if (!fake_mbuf) {
+ PMD_INIT_LOG(ERR, "can not allocate fake mbuf");
+ ret = -ENOMEM;
+ goto free_sw_ring;
+ }
+
vq->sw_ring = sw_ring;
rxvq = &vq->rxq;
rxvq->port_id = dev->data->port_id;
rxvq->mz = mz;
+ rxvq->fake_mbuf = fake_mbuf;
} else if (queue_type == VTNET_TQ) {
txvq = &vq->txq;
txvq->port_id = dev->data->port_id;
clean_vq:
hw->cvq = NULL;
+ rte_free(fake_mbuf);
+free_sw_ring:
rte_free(sw_ring);
free_hdr_mz:
rte_memzone_free(hdr_mz);
rte_memzone_free(mz);
free_vq:
rte_free(vq);
+ hw->vqs[queue_idx] = NULL;
return ret;
}
queue_type = virtio_get_queue_type(hw, i);
if (queue_type == VTNET_RQ) {
+ rte_free(vq->rxq.fake_mbuf);
rte_free(vq->sw_ring);
rte_memzone_free(vq->rxq.mz);
} else if (queue_type == VTNET_TQ) {
return 0;
}
+uint16_t
+virtio_rx_mem_pool_buf_size(struct rte_mempool *mp)
+{
+ return rte_pktmbuf_data_room_size(mp) - RTE_PKTMBUF_HEADROOM;
+}
+
+bool
+virtio_rx_check_scatter(uint16_t max_rx_pkt_len, uint16_t rx_buf_size,
+ bool rx_scatter_enabled, const char **error)
+{
+ if (!rx_scatter_enabled && max_rx_pkt_len > rx_buf_size) {
+ *error = "Rx scatter is disabled and RxQ mbuf pool object size is too small";
+ return false;
+ }
+
+ return true;
+}
+
+static bool
+virtio_check_scatter_on_all_rx_queues(struct rte_eth_dev *dev,
+ uint16_t frame_size)
+{
+ struct virtio_hw *hw = dev->data->dev_private;
+ struct virtnet_rx *rxvq;
+ struct virtqueue *vq;
+ unsigned int qidx;
+ uint16_t buf_size;
+ const char *error;
+
+ if (hw->vqs == NULL)
+ return true;
+
+ for (qidx = 0; (vq = hw->vqs[2 * qidx + VTNET_SQ_RQ_QUEUE_IDX]) != NULL;
+ qidx++) {
+ rxvq = &vq->rxq;
+ if (rxvq->mpool == NULL)
+ continue;
+ buf_size = virtio_rx_mem_pool_buf_size(rxvq->mpool);
+
+ if (!virtio_rx_check_scatter(frame_size, buf_size,
+ hw->rx_ol_scatter, &error)) {
+ PMD_INIT_LOG(ERR, "MTU check for RxQ %u failed: %s",
+ qidx, error);
+ return false;
+ }
+ }
+
+ return true;
+}
+
#define VLAN_TAG_LEN 4 /* 802.3ac tag (not DMA'd) */
static int
virtio_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
RTE_ETHER_MIN_MTU, max_frame_size - ether_hdr_len);
return -EINVAL;
}
+
+ if (!virtio_check_scatter_on_all_rx_queues(dev, frame_size)) {
+ PMD_INIT_LOG(ERR, "MTU vs Rx scatter and Rx buffers check failed");
+ return -EINVAL;
+ }
+
+ hw->max_rx_pkt_len = frame_size;
+ dev->data->dev_conf.rxmode.max_rx_pkt_len = hw->max_rx_pkt_len;
+
return 0;
}
}
}
- /* Re-register callback to update max_intr */
- rte_intr_callback_unregister(dev->intr_handle,
- virtio_interrupt_handler,
- dev);
- rte_intr_callback_register(dev->intr_handle,
- virtio_interrupt_handler,
- dev);
+ if (dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC) {
+ /* Re-register callback to update max_intr */
+ rte_intr_callback_unregister(dev->intr_handle,
+ virtio_interrupt_handler,
+ dev);
+ rte_intr_callback_register(dev->intr_handle,
+ virtio_interrupt_handler,
+ dev);
+ }
/* DO NOT try to remove this! This function will enable msix, or QEMU
* will encounter SIGSEGV when DRIVER_OK is sent.
rte_ether_addr_copy((struct rte_ether_addr *)hw->mac_addr,
ð_dev->data->mac_addrs[0]);
PMD_INIT_LOG(DEBUG,
- "PORT MAC: %02X:%02X:%02X:%02X:%02X:%02X",
+ "PORT MAC: " RTE_ETHER_ADDR_PRT_FMT,
hw->mac_addr[0], hw->mac_addr[1], hw->mac_addr[2],
hw->mac_addr[3], hw->mac_addr[4], hw->mac_addr[5]);
config->max_virtqueue_pairs);
PMD_INIT_LOG(DEBUG, "config->status=%d", config->status);
PMD_INIT_LOG(DEBUG,
- "PORT MAC: %02X:%02X:%02X:%02X:%02X:%02X",
+ "PORT MAC: " RTE_ETHER_ADDR_PRT_FMT,
config->mac[0], config->mac[1],
config->mac[2], config->mac[3],
config->mac[4], config->mac[5]);
if (ret < 0)
return ret;
hw->speed = speed;
+ hw->duplex = DUPLEX_UNKNOWN;
/* Allocate memory for storing MAC addresses */
eth_dev->data->mac_addrs = rte_zmalloc("virtio",
if (rxmode->max_rx_pkt_len > hw->max_mtu + ether_hdr_len)
req_features &= ~(1ULL << VIRTIO_NET_F_MTU);
+ hw->max_rx_pkt_len = rxmode->max_rx_pkt_len;
+
if (rx_offloads & (DEV_RX_OFFLOAD_UDP_CKSUM |
DEV_RX_OFFLOAD_TCP_CKSUM))
req_features |= (1ULL << VIRTIO_NET_F_GUEST_CSUM);
if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
hw->vlan_strip = 1;
+ hw->rx_ol_scatter = (rx_offloads & DEV_RX_OFFLOAD_SCATTER);
+
if ((rx_offloads & DEV_RX_OFFLOAD_VLAN_FILTER) &&
!virtio_with_feature(hw, VIRTIO_NET_F_CTRL_VLAN)) {
PMD_DRV_LOG(ERR,
dev_info->min_rx_bufsize = VIRTIO_MIN_RX_BUFSIZE;
dev_info->max_rx_pktlen = VIRTIO_MAX_RX_PKTLEN;
dev_info->max_mac_addrs = VIRTIO_MAX_MAC_ADDRS;
+ dev_info->max_mtu = hw->max_mtu;
host_features = VIRTIO_OPS(hw)->get_features(hw);
dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP;
dev_info->rx_offload_capa |= DEV_RX_OFFLOAD_JUMBO_FRAME;
+ if (host_features & (1ULL << VIRTIO_NET_F_MRG_RXBUF))
+ dev_info->rx_offload_capa |= DEV_RX_OFFLOAD_SCATTER;
if (host_features & (1ULL << VIRTIO_NET_F_GUEST_CSUM)) {
dev_info->rx_offload_capa |=
DEV_RX_OFFLOAD_TCP_CKSUM |
if ((host_features & tso_mask) == tso_mask)
dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO;
+ if (host_features & (1ULL << VIRTIO_F_RING_PACKED)) {
+ /*
+ * According to 2.7 Packed Virtqueues,
+ * 2.7.10.1 Structure Size and Alignment:
+ * The Queue Size value does not have to be a power of 2.
+ */
+ dev_info->rx_desc_lim.nb_max = UINT16_MAX;
+ } else {
+ /*
+ * According to 2.6 Split Virtqueues:
+ * Queue Size value is always a power of 2. The maximum Queue
+ * Size value is 32768.
+ */
+ dev_info->rx_desc_lim.nb_max = 32768;
+ }
+ /*
+ * Actual minimum is not the same for virtqueues of different kinds,
+ * but to avoid tangling the code with separate branches, rely on
+ * default thresholds since desc number must be at least of their size.
+ */
+ dev_info->rx_desc_lim.nb_min = RTE_MAX(DEFAULT_RX_FREE_THRESH,
+ RTE_VIRTIO_VPMD_RX_REARM_THRESH);
+ dev_info->rx_desc_lim.nb_align = 1;
+
return 0;
}
return 0;
}
-RTE_LOG_REGISTER(virtio_logtype_init, pmd.net.virtio.init, NOTICE);
-RTE_LOG_REGISTER(virtio_logtype_driver, pmd.net.virtio.driver, NOTICE);
+RTE_LOG_REGISTER_SUFFIX(virtio_logtype_init, init, NOTICE);
+RTE_LOG_REGISTER_SUFFIX(virtio_logtype_driver, driver, NOTICE);
git.droids-corp.org / dpdk.git / blobdiff