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path: root/drivers/net/virtio/virtio_rxtx.c
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Diffstat (limited to 'drivers/net/virtio/virtio_rxtx.c')
-rw-r--r--drivers/net/virtio/virtio_rxtx.c361
1 files changed, 194 insertions, 167 deletions
diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c
index ef21d8e3..a27208e3 100644
--- a/drivers/net/virtio/virtio_rxtx.c
+++ b/drivers/net/virtio/virtio_rxtx.c
@@ -193,8 +193,7 @@ virtqueue_enqueue_recv_refill(struct virtqueue *vq, struct rte_mbuf *cookie)
start_dp = vq->vq_ring.desc;
start_dp[idx].addr =
- (uint64_t)(cookie->buf_physaddr + RTE_PKTMBUF_HEADROOM
- - hw->vtnet_hdr_size);
+ MBUF_DATA_DMA_ADDR(cookie, vq->offset) - hw->vtnet_hdr_size;
start_dp[idx].len =
cookie->buf_len - RTE_PKTMBUF_HEADROOM + hw->vtnet_hdr_size;
start_dp[idx].flags = VRING_DESC_F_WRITE;
@@ -209,23 +208,24 @@ virtqueue_enqueue_recv_refill(struct virtqueue *vq, struct rte_mbuf *cookie)
}
static inline void
-virtqueue_enqueue_xmit(struct virtqueue *txvq, struct rte_mbuf *cookie,
+virtqueue_enqueue_xmit(struct virtnet_tx *txvq, struct rte_mbuf *cookie,
uint16_t needed, int use_indirect, int can_push)
{
struct vq_desc_extra *dxp;
+ struct virtqueue *vq = txvq->vq;
struct vring_desc *start_dp;
uint16_t seg_num = cookie->nb_segs;
uint16_t head_idx, idx;
- uint16_t head_size = txvq->hw->vtnet_hdr_size;
+ uint16_t head_size = vq->hw->vtnet_hdr_size;
unsigned long offs;
- head_idx = txvq->vq_desc_head_idx;
+ head_idx = vq->vq_desc_head_idx;
idx = head_idx;
- dxp = &txvq->vq_descx[idx];
+ dxp = &vq->vq_descx[idx];
dxp->cookie = (void *)cookie;
dxp->ndescs = needed;
- start_dp = txvq->vq_ring.desc;
+ start_dp = vq->vq_ring.desc;
if (can_push) {
/* put on zero'd transmit header (no offloads) */
@@ -259,46 +259,32 @@ virtqueue_enqueue_xmit(struct virtqueue *txvq, struct rte_mbuf *cookie,
+ offsetof(struct virtio_tx_region, tx_hdr);
start_dp[idx].addr = txvq->virtio_net_hdr_mem + offs;
- start_dp[idx].len = txvq->hw->vtnet_hdr_size;
+ start_dp[idx].len = vq->hw->vtnet_hdr_size;
start_dp[idx].flags = VRING_DESC_F_NEXT;
idx = start_dp[idx].next;
}
do {
- start_dp[idx].addr = rte_mbuf_data_dma_addr(cookie);
+ start_dp[idx].addr = MBUF_DATA_DMA_ADDR(cookie, vq->offset);
start_dp[idx].len = cookie->data_len;
start_dp[idx].flags = cookie->next ? VRING_DESC_F_NEXT : 0;
idx = start_dp[idx].next;
} while ((cookie = cookie->next) != NULL);
- start_dp[idx].flags &= ~VRING_DESC_F_NEXT;
-
if (use_indirect)
- idx = txvq->vq_ring.desc[head_idx].next;
-
- txvq->vq_desc_head_idx = idx;
- if (txvq->vq_desc_head_idx == VQ_RING_DESC_CHAIN_END)
- txvq->vq_desc_tail_idx = idx;
- txvq->vq_free_cnt = (uint16_t)(txvq->vq_free_cnt - needed);
- vq_update_avail_ring(txvq, head_idx);
-}
+ idx = vq->vq_ring.desc[head_idx].next;
-static inline struct rte_mbuf *
-rte_rxmbuf_alloc(struct rte_mempool *mp)
-{
- struct rte_mbuf *m;
-
- m = __rte_mbuf_raw_alloc(mp);
- __rte_mbuf_sanity_check_raw(m, 0);
-
- return m;
+ vq->vq_desc_head_idx = idx;
+ if (vq->vq_desc_head_idx == VQ_RING_DESC_CHAIN_END)
+ vq->vq_desc_tail_idx = idx;
+ vq->vq_free_cnt = (uint16_t)(vq->vq_free_cnt - needed);
+ vq_update_avail_ring(vq, head_idx);
}
static void
-virtio_dev_vring_start(struct virtqueue *vq, int queue_type)
+virtio_dev_vring_start(struct virtqueue *vq)
{
- struct rte_mbuf *m;
- int i, nbufs, error, size = vq->vq_nentries;
+ int size = vq->vq_nentries;
struct vring *vr = &vq->vq_ring;
uint8_t *ring_mem = vq->vq_ring_virt_mem;
@@ -322,30 +308,70 @@ virtio_dev_vring_start(struct virtqueue *vq, int queue_type)
* Disable device(host) interrupting guest
*/
virtqueue_disable_intr(vq);
+}
+
+void
+virtio_dev_cq_start(struct rte_eth_dev *dev)
+{
+ struct virtio_hw *hw = dev->data->dev_private;
+
+ if (hw->cvq && hw->cvq->vq) {
+ virtio_dev_vring_start(hw->cvq->vq);
+ VIRTQUEUE_DUMP((struct virtqueue *)hw->cvq->vq);
+ }
+}
- /* Only rx virtqueue needs mbufs to be allocated at initialization */
- if (queue_type == VTNET_RQ) {
- if (vq->mpool == NULL)
+void
+virtio_dev_rxtx_start(struct rte_eth_dev *dev)
+{
+ /*
+ * Start receive and transmit vrings
+ * - Setup vring structure for all queues
+ * - Initialize descriptor for the rx vring
+ * - Allocate blank mbufs for the each rx descriptor
+ *
+ */
+ uint16_t i;
+ uint16_t desc_idx;
+
+ PMD_INIT_FUNC_TRACE();
+
+ /* Start rx vring. */
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ struct virtnet_rx *rxvq = dev->data->rx_queues[i];
+ struct virtqueue *vq = rxvq->vq;
+ int error, nbufs;
+ struct rte_mbuf *m;
+
+ virtio_dev_vring_start(vq);
+ if (rxvq->mpool == NULL) {
rte_exit(EXIT_FAILURE,
- "Cannot allocate initial mbufs for rx virtqueue");
+ "Cannot allocate mbufs for rx virtqueue");
+ }
/* Allocate blank mbufs for the each rx descriptor */
nbufs = 0;
error = ENOSPC;
#ifdef RTE_MACHINE_CPUFLAG_SSSE3
- if (use_simple_rxtx)
- for (i = 0; i < vq->vq_nentries; i++) {
- vq->vq_ring.avail->ring[i] = i;
- vq->vq_ring.desc[i].flags = VRING_DESC_F_WRITE;
+ if (use_simple_rxtx) {
+ for (desc_idx = 0; desc_idx < vq->vq_nentries;
+ desc_idx++) {
+ vq->vq_ring.avail->ring[desc_idx] = desc_idx;
+ vq->vq_ring.desc[desc_idx].flags =
+ VRING_DESC_F_WRITE;
}
+ }
#endif
- memset(&vq->fake_mbuf, 0, sizeof(vq->fake_mbuf));
- for (i = 0; i < RTE_PMD_VIRTIO_RX_MAX_BURST; i++)
- vq->sw_ring[vq->vq_nentries + i] = &vq->fake_mbuf;
+ memset(&rxvq->fake_mbuf, 0, sizeof(rxvq->fake_mbuf));
+ for (desc_idx = 0; desc_idx < RTE_PMD_VIRTIO_RX_MAX_BURST;
+ desc_idx++) {
+ vq->sw_ring[vq->vq_nentries + desc_idx] =
+ &rxvq->fake_mbuf;
+ }
while (!virtqueue_full(vq)) {
- m = rte_rxmbuf_alloc(vq->mpool);
+ m = rte_mbuf_raw_alloc(rxvq->mpool);
if (m == NULL)
break;
@@ -368,64 +394,40 @@ virtio_dev_vring_start(struct virtqueue *vq, int queue_type)
vq_update_avail_idx(vq);
PMD_INIT_LOG(DEBUG, "Allocated %d bufs", nbufs);
- } else if (queue_type == VTNET_TQ) {
+
+ VIRTQUEUE_DUMP(vq);
+ }
+
+ /* Start tx vring. */
+ for (i = 0; i < dev->data->nb_tx_queues; i++) {
+ struct virtnet_tx *txvq = dev->data->tx_queues[i];
+ struct virtqueue *vq = txvq->vq;
+
+ virtio_dev_vring_start(vq);
#ifdef RTE_MACHINE_CPUFLAG_SSSE3
if (use_simple_rxtx) {
- int mid_idx = vq->vq_nentries >> 1;
- for (i = 0; i < mid_idx; i++) {
- vq->vq_ring.avail->ring[i] = i + mid_idx;
- vq->vq_ring.desc[i + mid_idx].next = i;
- vq->vq_ring.desc[i + mid_idx].addr =
- vq->virtio_net_hdr_mem +
+ uint16_t mid_idx = vq->vq_nentries >> 1;
+
+ for (desc_idx = 0; desc_idx < mid_idx; desc_idx++) {
+ vq->vq_ring.avail->ring[desc_idx] =
+ desc_idx + mid_idx;
+ vq->vq_ring.desc[desc_idx + mid_idx].next =
+ desc_idx;
+ vq->vq_ring.desc[desc_idx + mid_idx].addr =
+ txvq->virtio_net_hdr_mem +
offsetof(struct virtio_tx_region, tx_hdr);
- vq->vq_ring.desc[i + mid_idx].len =
+ vq->vq_ring.desc[desc_idx + mid_idx].len =
vq->hw->vtnet_hdr_size;
- vq->vq_ring.desc[i + mid_idx].flags =
+ vq->vq_ring.desc[desc_idx + mid_idx].flags =
VRING_DESC_F_NEXT;
- vq->vq_ring.desc[i].flags = 0;
+ vq->vq_ring.desc[desc_idx].flags = 0;
}
- for (i = mid_idx; i < vq->vq_nentries; i++)
- vq->vq_ring.avail->ring[i] = i;
+ for (desc_idx = mid_idx; desc_idx < vq->vq_nentries;
+ desc_idx++)
+ vq->vq_ring.avail->ring[desc_idx] = desc_idx;
}
#endif
- }
-}
-
-void
-virtio_dev_cq_start(struct rte_eth_dev *dev)
-{
- struct virtio_hw *hw = dev->data->dev_private;
-
- if (hw->cvq) {
- virtio_dev_vring_start(hw->cvq, VTNET_CQ);
- VIRTQUEUE_DUMP((struct virtqueue *)hw->cvq);
- }
-}
-
-void
-virtio_dev_rxtx_start(struct rte_eth_dev *dev)
-{
- /*
- * Start receive and transmit vrings
- * - Setup vring structure for all queues
- * - Initialize descriptor for the rx vring
- * - Allocate blank mbufs for the each rx descriptor
- *
- */
- int i;
-
- PMD_INIT_FUNC_TRACE();
-
- /* Start rx vring. */
- for (i = 0; i < dev->data->nb_rx_queues; i++) {
- virtio_dev_vring_start(dev->data->rx_queues[i], VTNET_RQ);
- VIRTQUEUE_DUMP((struct virtqueue *)dev->data->rx_queues[i]);
- }
-
- /* Start tx vring. */
- for (i = 0; i < dev->data->nb_tx_queues; i++) {
- virtio_dev_vring_start(dev->data->tx_queues[i], VTNET_TQ);
- VIRTQUEUE_DUMP((struct virtqueue *)dev->data->tx_queues[i]);
+ VIRTQUEUE_DUMP(vq);
}
}
@@ -438,24 +440,24 @@ virtio_dev_rx_queue_setup(struct rte_eth_dev *dev,
struct rte_mempool *mp)
{
uint16_t vtpci_queue_idx = 2 * queue_idx + VTNET_SQ_RQ_QUEUE_IDX;
- struct virtqueue *vq;
+ struct virtnet_rx *rxvq;
int ret;
PMD_INIT_FUNC_TRACE();
ret = virtio_dev_queue_setup(dev, VTNET_RQ, queue_idx, vtpci_queue_idx,
- nb_desc, socket_id, &vq);
+ nb_desc, socket_id, (void **)&rxvq);
if (ret < 0) {
PMD_INIT_LOG(ERR, "rvq initialization failed");
return ret;
}
/* Create mempool for rx mbuf allocation */
- vq->mpool = mp;
+ rxvq->mpool = mp;
- dev->data->rx_queues[queue_idx] = vq;
+ dev->data->rx_queues[queue_idx] = rxvq;
#ifdef RTE_MACHINE_CPUFLAG_SSSE3
- virtio_rxq_vec_setup(vq);
+ virtio_rxq_vec_setup(rxvq);
#endif
return 0;
@@ -464,7 +466,16 @@ virtio_dev_rx_queue_setup(struct rte_eth_dev *dev,
void
virtio_dev_rx_queue_release(void *rxq)
{
- virtio_dev_queue_release(rxq);
+ struct virtnet_rx *rxvq = rxq;
+ struct virtqueue *vq = rxvq->vq;
+ /* rxvq is freed when vq is freed, and as mz should be freed after the
+ * del_queue, so we reserve the mz pointer first.
+ */
+ const struct rte_memzone *mz = rxvq->mz;
+
+ /* no need to free rxq as vq and rxq are allocated together */
+ virtio_dev_queue_release(vq);
+ rte_memzone_free(mz);
}
/*
@@ -486,6 +497,7 @@ virtio_dev_tx_queue_setup(struct rte_eth_dev *dev,
#ifdef RTE_MACHINE_CPUFLAG_SSSE3
struct virtio_hw *hw = dev->data->dev_private;
#endif
+ struct virtnet_tx *txvq;
struct virtqueue *vq;
uint16_t tx_free_thresh;
int ret;
@@ -510,11 +522,12 @@ virtio_dev_tx_queue_setup(struct rte_eth_dev *dev,
#endif
ret = virtio_dev_queue_setup(dev, VTNET_TQ, queue_idx, vtpci_queue_idx,
- nb_desc, socket_id, &vq);
+ nb_desc, socket_id, (void **)&txvq);
if (ret < 0) {
- PMD_INIT_LOG(ERR, "rvq initialization failed");
+ PMD_INIT_LOG(ERR, "tvq initialization failed");
return ret;
}
+ vq = txvq->vq;
tx_free_thresh = tx_conf->tx_free_thresh;
if (tx_free_thresh == 0)
@@ -532,14 +545,24 @@ virtio_dev_tx_queue_setup(struct rte_eth_dev *dev,
vq->vq_free_thresh = tx_free_thresh;
- dev->data->tx_queues[queue_idx] = vq;
+ dev->data->tx_queues[queue_idx] = txvq;
return 0;
}
void
virtio_dev_tx_queue_release(void *txq)
{
- virtio_dev_queue_release(txq);
+ struct virtnet_tx *txvq = txq;
+ struct virtqueue *vq = txvq->vq;
+ /* txvq is freed when vq is freed, and as mz should be freed after the
+ * del_queue, so we reserve the mz pointer first.
+ */
+ const struct rte_memzone *hdr_mz = txvq->virtio_net_hdr_mz;
+ const struct rte_memzone *mz = txvq->mz;
+
+ virtio_dev_queue_release(vq);
+ rte_memzone_free(mz);
+ rte_memzone_free(hdr_mz);
}
static void
@@ -558,34 +581,34 @@ virtio_discard_rxbuf(struct virtqueue *vq, struct rte_mbuf *m)
}
static void
-virtio_update_packet_stats(struct virtqueue *vq, struct rte_mbuf *mbuf)
+virtio_update_packet_stats(struct virtnet_stats *stats, struct rte_mbuf *mbuf)
{
uint32_t s = mbuf->pkt_len;
struct ether_addr *ea;
if (s == 64) {
- vq->size_bins[1]++;
+ stats->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]++;
+ stats->size_bins[bin]++;
} else {
if (s < 64)
- vq->size_bins[0]++;
+ stats->size_bins[0]++;
else if (s < 1519)
- vq->size_bins[6]++;
+ stats->size_bins[6]++;
else if (s >= 1519)
- vq->size_bins[7]++;
+ stats->size_bins[7]++;
}
ea = rte_pktmbuf_mtod(mbuf, struct ether_addr *);
if (is_multicast_ether_addr(ea)) {
if (is_broadcast_ether_addr(ea))
- vq->broadcast++;
+ stats->broadcast++;
else
- vq->multicast++;
+ stats->multicast++;
}
}
@@ -594,7 +617,8 @@ virtio_update_packet_stats(struct virtqueue *vq, struct rte_mbuf *mbuf)
uint16_t
virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
{
- struct virtqueue *rxvq = rx_queue;
+ struct virtnet_rx *rxvq = rx_queue;
+ struct virtqueue *vq = rxvq->vq;
struct virtio_hw *hw;
struct rte_mbuf *rxm, *new_mbuf;
uint16_t nb_used, num, nb_rx;
@@ -604,19 +628,19 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
uint32_t i, nb_enqueued;
uint32_t hdr_size;
- nb_used = VIRTQUEUE_NUSED(rxvq);
+ nb_used = VIRTQUEUE_NUSED(vq);
virtio_rmb();
num = (uint16_t)(likely(nb_used <= nb_pkts) ? nb_used : nb_pkts);
num = (uint16_t)(likely(num <= VIRTIO_MBUF_BURST_SZ) ? num : VIRTIO_MBUF_BURST_SZ);
if (likely(num > DESC_PER_CACHELINE))
- num = num - ((rxvq->vq_used_cons_idx + num) % DESC_PER_CACHELINE);
+ num = num - ((vq->vq_used_cons_idx + num) % DESC_PER_CACHELINE);
- num = virtqueue_dequeue_burst_rx(rxvq, rcv_pkts, len, num);
+ num = virtqueue_dequeue_burst_rx(vq, rcv_pkts, len, num);
PMD_RX_LOG(DEBUG, "used:%d dequeue:%d", nb_used, num);
- hw = rxvq->hw;
+ hw = vq->hw;
nb_rx = 0;
nb_enqueued = 0;
hdr_size = hw->vtnet_hdr_size;
@@ -629,8 +653,8 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
if (unlikely(len[i] < hdr_size + ETHER_HDR_LEN)) {
PMD_RX_LOG(ERR, "Packet drop");
nb_enqueued++;
- virtio_discard_rxbuf(rxvq, rxm);
- rxvq->errors++;
+ virtio_discard_rxbuf(vq, rxm);
+ rxvq->stats.errors++;
continue;
}
@@ -651,23 +675,23 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
rx_pkts[nb_rx++] = rxm;
- rxvq->bytes += rx_pkts[nb_rx - 1]->pkt_len;
- virtio_update_packet_stats(rxvq, rxm);
+ rxvq->stats.bytes += rx_pkts[nb_rx - 1]->pkt_len;
+ virtio_update_packet_stats(&rxvq->stats, rxm);
}
- rxvq->packets += nb_rx;
+ rxvq->stats.packets += nb_rx;
/* Allocate new mbuf for the used descriptor */
error = ENOSPC;
- while (likely(!virtqueue_full(rxvq))) {
- new_mbuf = rte_rxmbuf_alloc(rxvq->mpool);
+ while (likely(!virtqueue_full(vq))) {
+ new_mbuf = rte_mbuf_raw_alloc(rxvq->mpool);
if (unlikely(new_mbuf == NULL)) {
struct rte_eth_dev *dev
= &rte_eth_devices[rxvq->port_id];
dev->data->rx_mbuf_alloc_failed++;
break;
}
- error = virtqueue_enqueue_recv_refill(rxvq, new_mbuf);
+ error = virtqueue_enqueue_recv_refill(vq, new_mbuf);
if (unlikely(error)) {
rte_pktmbuf_free(new_mbuf);
break;
@@ -676,11 +700,11 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
}
if (likely(nb_enqueued)) {
- vq_update_avail_idx(rxvq);
+ vq_update_avail_idx(vq);
- if (unlikely(virtqueue_kick_prepare(rxvq))) {
- virtqueue_notify(rxvq);
- PMD_RX_LOG(DEBUG, "Notified\n");
+ if (unlikely(virtqueue_kick_prepare(vq))) {
+ virtqueue_notify(vq);
+ PMD_RX_LOG(DEBUG, "Notified");
}
}
@@ -692,7 +716,8 @@ virtio_recv_mergeable_pkts(void *rx_queue,
struct rte_mbuf **rx_pkts,
uint16_t nb_pkts)
{
- struct virtqueue *rxvq = rx_queue;
+ struct virtnet_rx *rxvq = rx_queue;
+ struct virtqueue *vq = rxvq->vq;
struct virtio_hw *hw;
struct rte_mbuf *rxm, *new_mbuf;
uint16_t nb_used, num, nb_rx;
@@ -706,13 +731,13 @@ virtio_recv_mergeable_pkts(void *rx_queue,
uint32_t seg_res;
uint32_t hdr_size;
- nb_used = VIRTQUEUE_NUSED(rxvq);
+ nb_used = VIRTQUEUE_NUSED(vq);
virtio_rmb();
- PMD_RX_LOG(DEBUG, "used:%d\n", nb_used);
+ PMD_RX_LOG(DEBUG, "used:%d", nb_used);
- hw = rxvq->hw;
+ hw = vq->hw;
nb_rx = 0;
i = 0;
nb_enqueued = 0;
@@ -727,22 +752,22 @@ virtio_recv_mergeable_pkts(void *rx_queue,
if (nb_rx == nb_pkts)
break;
- num = virtqueue_dequeue_burst_rx(rxvq, rcv_pkts, len, 1);
+ num = virtqueue_dequeue_burst_rx(vq, rcv_pkts, len, 1);
if (num != 1)
continue;
i++;
- PMD_RX_LOG(DEBUG, "dequeue:%d\n", num);
- PMD_RX_LOG(DEBUG, "packet len:%d\n", len[0]);
+ PMD_RX_LOG(DEBUG, "dequeue:%d", num);
+ PMD_RX_LOG(DEBUG, "packet len:%d", len[0]);
rxm = rcv_pkts[0];
if (unlikely(len[0] < hdr_size + ETHER_HDR_LEN)) {
- PMD_RX_LOG(ERR, "Packet drop\n");
+ PMD_RX_LOG(ERR, "Packet drop");
nb_enqueued++;
- virtio_discard_rxbuf(rxvq, rxm);
- rxvq->errors++;
+ virtio_discard_rxbuf(vq, rxm);
+ rxvq->stats.errors++;
continue;
}
@@ -773,18 +798,18 @@ virtio_recv_mergeable_pkts(void *rx_queue,
*/
uint16_t rcv_cnt =
RTE_MIN(seg_res, RTE_DIM(rcv_pkts));
- if (likely(VIRTQUEUE_NUSED(rxvq) >= rcv_cnt)) {
+ if (likely(VIRTQUEUE_NUSED(vq) >= rcv_cnt)) {
uint32_t rx_num =
- virtqueue_dequeue_burst_rx(rxvq,
+ virtqueue_dequeue_burst_rx(vq,
rcv_pkts, len, rcv_cnt);
i += rx_num;
rcv_cnt = rx_num;
} else {
PMD_RX_LOG(ERR,
- "No enough segments for packet.\n");
+ "No enough segments for packet.");
nb_enqueued++;
- virtio_discard_rxbuf(rxvq, rxm);
- rxvq->errors++;
+ virtio_discard_rxbuf(vq, rxm);
+ rxvq->stats.errors++;
break;
}
@@ -814,24 +839,24 @@ virtio_recv_mergeable_pkts(void *rx_queue,
VIRTIO_DUMP_PACKET(rx_pkts[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]);
+ rxvq->stats.bytes += rx_pkts[nb_rx]->pkt_len;
+ virtio_update_packet_stats(&rxvq->stats, rx_pkts[nb_rx]);
nb_rx++;
}
- rxvq->packets += nb_rx;
+ rxvq->stats.packets += nb_rx;
/* Allocate new mbuf for the used descriptor */
error = ENOSPC;
- while (likely(!virtqueue_full(rxvq))) {
- new_mbuf = rte_rxmbuf_alloc(rxvq->mpool);
+ while (likely(!virtqueue_full(vq))) {
+ new_mbuf = rte_mbuf_raw_alloc(rxvq->mpool);
if (unlikely(new_mbuf == NULL)) {
struct rte_eth_dev *dev
= &rte_eth_devices[rxvq->port_id];
dev->data->rx_mbuf_alloc_failed++;
break;
}
- error = virtqueue_enqueue_recv_refill(rxvq, new_mbuf);
+ error = virtqueue_enqueue_recv_refill(vq, new_mbuf);
if (unlikely(error)) {
rte_pktmbuf_free(new_mbuf);
break;
@@ -840,10 +865,10 @@ virtio_recv_mergeable_pkts(void *rx_queue,
}
if (likely(nb_enqueued)) {
- vq_update_avail_idx(rxvq);
+ vq_update_avail_idx(vq);
- if (unlikely(virtqueue_kick_prepare(rxvq))) {
- virtqueue_notify(rxvq);
+ if (unlikely(virtqueue_kick_prepare(vq))) {
+ virtqueue_notify(vq);
PMD_RX_LOG(DEBUG, "Notified");
}
}
@@ -854,8 +879,9 @@ virtio_recv_mergeable_pkts(void *rx_queue,
uint16_t
virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
{
- struct virtqueue *txvq = tx_queue;
- struct virtio_hw *hw = txvq->hw;
+ struct virtnet_tx *txvq = tx_queue;
+ struct virtqueue *vq = txvq->vq;
+ struct virtio_hw *hw = vq->hw;
uint16_t hdr_size = hw->vtnet_hdr_size;
uint16_t nb_used, nb_tx;
int error;
@@ -864,11 +890,11 @@ virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
return nb_pkts;
PMD_TX_LOG(DEBUG, "%d packets to xmit", nb_pkts);
- nb_used = VIRTQUEUE_NUSED(txvq);
+ nb_used = VIRTQUEUE_NUSED(vq);
virtio_rmb();
- if (likely(nb_used > txvq->vq_nentries - txvq->vq_free_thresh))
- virtio_xmit_cleanup(txvq, nb_used);
+ if (likely(nb_used > vq->vq_nentries - vq->vq_free_thresh))
+ virtio_xmit_cleanup(vq, nb_used);
for (nb_tx = 0; nb_tx < nb_pkts; nb_tx++) {
struct rte_mbuf *txm = tx_pkts[nb_tx];
@@ -886,6 +912,7 @@ virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
/* optimize ring usage */
if (vtpci_with_feature(hw, VIRTIO_F_ANY_LAYOUT) &&
rte_mbuf_refcnt_read(txm) == 1 &&
+ RTE_MBUF_DIRECT(txm) &&
txm->nb_segs == 1 &&
rte_pktmbuf_headroom(txm) >= hdr_size &&
rte_is_aligned(rte_pktmbuf_mtod(txm, char *),
@@ -901,16 +928,16 @@ virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
* default => number of segments + 1
*/
slots = use_indirect ? 1 : (txm->nb_segs + !can_push);
- need = slots - txvq->vq_free_cnt;
+ need = slots - vq->vq_free_cnt;
/* Positive value indicates it need free vring descriptors */
if (unlikely(need > 0)) {
- nb_used = VIRTQUEUE_NUSED(txvq);
+ nb_used = VIRTQUEUE_NUSED(vq);
virtio_rmb();
need = RTE_MIN(need, (int)nb_used);
- virtio_xmit_cleanup(txvq, need);
- need = slots - txvq->vq_free_cnt;
+ virtio_xmit_cleanup(vq, need);
+ need = slots - vq->vq_free_cnt;
if (unlikely(need > 0)) {
PMD_TX_LOG(ERR,
"No free tx descriptors to transmit");
@@ -921,17 +948,17 @@ virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
/* Enqueue Packet buffers */
virtqueue_enqueue_xmit(txvq, txm, slots, use_indirect, can_push);
- txvq->bytes += txm->pkt_len;
- virtio_update_packet_stats(txvq, txm);
+ txvq->stats.bytes += txm->pkt_len;
+ virtio_update_packet_stats(&txvq->stats, txm);
}
- txvq->packets += nb_tx;
+ txvq->stats.packets += nb_tx;
if (likely(nb_tx)) {
- vq_update_avail_idx(txvq);
+ vq_update_avail_idx(vq);
- if (unlikely(virtqueue_kick_prepare(txvq))) {
- virtqueue_notify(txvq);
+ if (unlikely(virtqueue_kick_prepare(vq))) {
+ virtqueue_notify(vq);
PMD_TX_LOG(DEBUG, "Notified backend after xmit");
}
}