#define VIRTIO_DUMP_PACKET(m, len) do { } while (0)
#endif
-int
-virtio_dev_rx_queue_done(void *rxq, uint16_t offset)
-{
- struct virtnet_rx *rxvq = rxq;
- struct virtqueue *vq = virtnet_rxq_to_vq(rxvq);
-
- return virtqueue_nused(vq) >= offset;
-}
-
void
vq_ring_free_inorder(struct virtqueue *vq, uint16_t desc_idx, uint16_t num)
{
dxp->cookie = (void *)cookies[i];
dxp->ndescs = 1;
- start_dp[idx].addr = cookies[i]->buf_iova +
+ start_dp[idx].addr = VIRTIO_MBUF_ADDR(cookies[i], vq) +
RTE_PKTMBUF_HEADROOM - hw->vtnet_hdr_size;
start_dp[idx].len = cookies[i]->buf_len -
RTE_PKTMBUF_HEADROOM + hw->vtnet_hdr_size;
dxp->cookie = (void *)cookie[i];
dxp->ndescs = 1;
- start_dp[idx].addr = cookie[i]->buf_iova +
+ start_dp[idx].addr = VIRTIO_MBUF_ADDR(cookie[i], vq) +
RTE_PKTMBUF_HEADROOM - hw->vtnet_hdr_size;
- start_dp[idx].len = cookie[i]->buf_len -
- RTE_PKTMBUF_HEADROOM + hw->vtnet_hdr_size;
+ start_dp[idx].len = cookie[i]->buf_len - RTE_PKTMBUF_HEADROOM +
+ hw->vtnet_hdr_size;
start_dp[idx].flags = VRING_DESC_F_WRITE;
vq->vq_desc_head_idx = start_dp[idx].next;
vq_update_avail_ring(vq, idx);
return 0;
}
+static inline void
+virtqueue_refill_single_packed(struct virtqueue *vq,
+ struct vring_packed_desc *dp,
+ struct rte_mbuf *cookie)
+{
+ uint16_t flags = vq->vq_packed.cached_flags;
+ struct virtio_hw *hw = vq->hw;
+
+ dp->addr = VIRTIO_MBUF_ADDR(cookie, vq) + RTE_PKTMBUF_HEADROOM - hw->vtnet_hdr_size;
+ dp->len = cookie->buf_len - RTE_PKTMBUF_HEADROOM + hw->vtnet_hdr_size;
+
+ virtqueue_store_flags_packed(dp, flags, hw->weak_barriers);
+
+ if (++vq->vq_avail_idx >= vq->vq_nentries) {
+ vq->vq_avail_idx -= vq->vq_nentries;
+ vq->vq_packed.cached_flags ^=
+ VRING_PACKED_DESC_F_AVAIL_USED;
+ flags = vq->vq_packed.cached_flags;
+ }
+}
+
static inline int
-virtqueue_enqueue_recv_refill_packed(struct virtqueue *vq,
+virtqueue_enqueue_recv_refill_packed_init(struct virtqueue *vq,
struct rte_mbuf **cookie, uint16_t num)
{
struct vring_packed_desc *start_dp = vq->vq_packed.ring.desc;
- uint16_t flags = vq->vq_packed.cached_flags;
- struct virtio_hw *hw = vq->hw;
struct vq_desc_extra *dxp;
uint16_t idx;
int i;
dxp->cookie = (void *)cookie[i];
dxp->ndescs = 1;
- start_dp[idx].addr = cookie[i]->buf_iova +
- RTE_PKTMBUF_HEADROOM - hw->vtnet_hdr_size;
- start_dp[idx].len = cookie[i]->buf_len -
- RTE_PKTMBUF_HEADROOM + hw->vtnet_hdr_size;
+ virtqueue_refill_single_packed(vq, &start_dp[idx], cookie[i]);
+ }
+ vq->vq_free_cnt = (uint16_t)(vq->vq_free_cnt - num);
+ return 0;
+}
- vq->vq_desc_head_idx = dxp->next;
- if (vq->vq_desc_head_idx == VQ_RING_DESC_CHAIN_END)
- vq->vq_desc_tail_idx = vq->vq_desc_head_idx;
+static inline int
+virtqueue_enqueue_recv_refill_packed(struct virtqueue *vq,
+ struct rte_mbuf **cookie, uint16_t num)
+{
+ struct vring_packed_desc *start_dp = vq->vq_packed.ring.desc;
+ struct vq_desc_extra *dxp;
+ uint16_t idx, did;
+ int i;
+
+ if (unlikely(vq->vq_free_cnt == 0))
+ return -ENOSPC;
+ if (unlikely(vq->vq_free_cnt < num))
+ return -EMSGSIZE;
- virtqueue_store_flags_packed(&start_dp[idx], flags,
- hw->weak_barriers);
+ for (i = 0; i < num; i++) {
+ idx = vq->vq_avail_idx;
+ did = start_dp[idx].id;
+ dxp = &vq->vq_descx[did];
+ dxp->cookie = (void *)cookie[i];
+ dxp->ndescs = 1;
- if (++vq->vq_avail_idx >= vq->vq_nentries) {
- vq->vq_avail_idx -= vq->vq_nentries;
- vq->vq_packed.cached_flags ^=
- VRING_PACKED_DESC_F_AVAIL_USED;
- flags = vq->vq_packed.cached_flags;
- }
+ virtqueue_refill_single_packed(vq, &start_dp[idx], cookie[i]);
}
vq->vq_free_cnt = (uint16_t)(vq->vq_free_cnt - num);
return 0;
if (!vq->hw->has_tx_offload)
virtqueue_clear_net_hdr(hdr);
else
- virtqueue_xmit_offload(hdr, cookies[i], true);
+ virtqueue_xmit_offload(hdr, cookies[i]);
- start_dp[idx].addr = rte_mbuf_data_iova(cookies[i]) - head_size;
- start_dp[idx].len = cookies[i]->data_len + head_size;
+ start_dp[idx].addr = VIRTIO_MBUF_DATA_DMA_ADDR(cookies[i], vq) - head_size;
+ start_dp[idx].len = cookies[i]->data_len + head_size;
start_dp[idx].flags = 0;
if (!vq->hw->has_tx_offload)
virtqueue_clear_net_hdr(hdr);
else
- virtqueue_xmit_offload(hdr, cookie, true);
+ virtqueue_xmit_offload(hdr, cookie);
- dp->addr = rte_mbuf_data_iova(cookie) - head_size;
- dp->len = cookie->data_len + head_size;
- dp->id = id;
+ dp->addr = VIRTIO_MBUF_DATA_DMA_ADDR(cookie, vq) - head_size;
+ dp->len = cookie->data_len + head_size;
+ dp->id = id;
if (++vq->vq_avail_idx >= vq->vq_nentries) {
vq->vq_avail_idx -= vq->vq_nentries;
idx = start_dp[idx].next;
}
- virtqueue_xmit_offload(hdr, cookie, vq->hw->has_tx_offload);
+ if (vq->hw->has_tx_offload)
+ virtqueue_xmit_offload(hdr, cookie);
do {
- start_dp[idx].addr = rte_mbuf_data_iova(cookie);
- start_dp[idx].len = cookie->data_len;
+ start_dp[idx].addr = VIRTIO_MBUF_DATA_DMA_ADDR(cookie, vq);
+ start_dp[idx].len = cookie->data_len;
if (prepend_header) {
start_dp[idx].addr -= head_size;
start_dp[idx].len += head_size;
struct virtqueue *vq = hw->vqs[vq_idx];
struct virtnet_rx *rxvq;
uint16_t rx_free_thresh;
+ uint16_t buf_size;
+ const char *error;
PMD_INIT_FUNC_TRACE();
return -EINVAL;
}
+ buf_size = virtio_rx_mem_pool_buf_size(mp);
+ if (!virtio_rx_check_scatter(hw->max_rx_pkt_len, buf_size,
+ hw->rx_ol_scatter, &error)) {
+ PMD_INIT_LOG(ERR, "RxQ %u Rx scatter check failed: %s",
+ queue_idx, error);
+ return -EINVAL;
+ }
+
rx_free_thresh = rx_conf->rx_free_thresh;
if (rx_free_thresh == 0)
rx_free_thresh =
RTE_MIN(vq->vq_nentries / 4, DEFAULT_RX_FREE_THRESH);
if (rx_free_thresh & 0x3) {
- RTE_LOG(ERR, PMD, "rx_free_thresh must be multiples of four."
- " (rx_free_thresh=%u port=%u queue=%u)\n",
+ PMD_INIT_LOG(ERR, "rx_free_thresh must be multiples of four."
+ " (rx_free_thresh=%u port=%u queue=%u)",
rx_free_thresh, dev->data->port_id, queue_idx);
return -EINVAL;
}
if (rx_free_thresh >= vq->vq_nentries) {
- RTE_LOG(ERR, PMD, "rx_free_thresh must be less than the "
+ PMD_INIT_LOG(ERR, "rx_free_thresh must be less than the "
"number of RX entries (%u)."
- " (rx_free_thresh=%u port=%u queue=%u)\n",
+ " (rx_free_thresh=%u port=%u queue=%u)",
vq->vq_nentries,
rx_free_thresh, dev->data->port_id, queue_idx);
return -EINVAL;
}
vq->vq_free_thresh = rx_free_thresh;
- if (nb_desc == 0 || nb_desc > vq->vq_nentries)
+ /*
+ * For split ring vectorized path descriptors number must be
+ * equal to the ring size.
+ */
+ if (nb_desc > vq->vq_nentries ||
+ (!virtio_with_packed_queue(hw) && hw->use_vec_rx)) {
nb_desc = vq->vq_nentries;
+ }
vq->vq_free_cnt = RTE_MIN(vq->vq_free_cnt, nb_desc);
rxvq = &vq->rxq;
virtio_rxq_vec_setup(rxvq);
}
- 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;
- }
+ 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;
if (hw->use_vec_rx && !virtio_with_packed_queue(hw)) {
while (vq->vq_free_cnt >= RTE_VIRTIO_VPMD_RX_REARM_THRESH) {
if (unlikely(error)) {
for (i = 0; i < free_cnt; i++)
rte_pktmbuf_free(pkts[i]);
+ } else {
+ nbufs += free_cnt;
}
}
- nbufs += free_cnt;
vq_update_avail_idx(vq);
}
} else {
/* Enqueue allocated buffers */
if (virtio_with_packed_queue(vq->hw))
- error = virtqueue_enqueue_recv_refill_packed(vq,
+ error = virtqueue_enqueue_recv_refill_packed_init(vq,
&m, 1);
else
error = virtqueue_enqueue_recv_refill(vq,
if (tx_free_thresh >= (vq->vq_nentries - 3)) {
PMD_DRV_LOG(ERR, "tx_free_thresh must be less than the "
"number of TX entries minus 3 (%u)."
- " (tx_free_thresh=%u port=%u queue=%u)\n",
+ " (tx_free_thresh=%u port=%u queue=%u)",
vq->vq_nentries - 3,
tx_free_thresh, dev->data->port_id, queue_idx);
return -EINVAL;
git.droids-corp.org / dpdk.git / blobdiff