#include "virtio_logs.h"
#include "virtio_ethdev.h"
+#include "virtio_pci.h"
#include "virtqueue.h"
#include "virtio_rxtx.h"
#define VIRTIO_DUMP_PACKET(m, len) do { } while (0)
#endif
+
+#define VIRTIO_SIMPLE_FLAGS ((uint32_t)ETH_TXQ_FLAGS_NOMULTSEGS | \
+ ETH_TXQ_FLAGS_NOOFFLOADS)
+
static int use_simple_rxtx;
static void
vq->mpool = mp;
dev->data->rx_queues[queue_idx] = vq;
+
+ virtio_rxq_vec_setup(vq);
+
return 0;
}
const struct rte_eth_txconf *tx_conf)
{
uint8_t vtpci_queue_idx = 2 * queue_idx + VTNET_SQ_TQ_QUEUE_IDX;
+ struct virtio_hw *hw = dev->data->dev_private;
struct virtqueue *vq;
uint16_t tx_free_thresh;
int ret;
return -EINVAL;
}
+ /* Use simple rx/tx func if single segment and no offloads */
+ if ((tx_conf->txq_flags & VIRTIO_SIMPLE_FLAGS) == VIRTIO_SIMPLE_FLAGS &&
+ !vtpci_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF)) {
+ PMD_INIT_LOG(INFO, "Using simple rx/tx path");
+ dev->tx_pkt_burst = virtio_xmit_pkts_simple;
+ dev->rx_pkt_burst = virtio_recv_pkts_vec;
+ use_simple_rxtx = 1;
+ }
+
ret = virtio_dev_queue_setup(dev, VTNET_TQ, queue_idx, vtpci_queue_idx,
nb_desc, socket_id, &vq);
if (ret < 0) {
}
}
+static void
+virtio_update_packet_stats(struct virtqueue *vq, struct rte_mbuf *mbuf)
+{
+ uint32_t s = mbuf->pkt_len;
+ struct ether_addr *ea;
+
+ if (s == 64) {
+ vq->size_bins[1]++;
+ } else if (s > 64 && s < 1024) {
+ uint32_t bin;
+
+ /* count zeros, and offset into correct bin */
+ bin = (sizeof(s) * 8) - __builtin_clz(s) - 5;
+ vq->size_bins[bin]++;
+ } else {
+ if (s < 64)
+ vq->size_bins[0]++;
+ else if (s < 1519)
+ vq->size_bins[6]++;
+ else if (s >= 1519)
+ vq->size_bins[7]++;
+ }
+
+ ea = rte_pktmbuf_mtod(mbuf, struct ether_addr *);
+ vq->multicast += is_multicast_ether_addr(ea);
+ vq->broadcast += is_broadcast_ether_addr(ea);
+}
+
#define VIRTIO_MBUF_BURST_SZ 64
#define DESC_PER_CACHELINE (RTE_CACHE_LINE_SIZE / sizeof(struct vring_desc))
uint16_t
VIRTIO_DUMP_PACKET(rxm, rxm->data_len);
rx_pkts[nb_rx++] = rxm;
+
rxvq->bytes += rx_pkts[nb_rx - 1]->pkt_len;
+ virtio_update_packet_stats(rxvq, rxm);
}
rxvq->packets += nb_rx;
rx_pkts[nb_rx]->data_len);
rxvq->bytes += rx_pkts[nb_rx]->pkt_len;
+ virtio_update_packet_stats(rxvq, rx_pkts[nb_rx]);
nb_rx++;
}
}
nb_tx++;
txvq->bytes += txm->pkt_len;
+ virtio_update_packet_stats(txvq, txm);
} else {
PMD_TX_LOG(ERR, "No free tx descriptors to transmit");
break;