struct vq_desc_extra *dxp;
struct virtnet_tx *txvq;
uint16_t desc_idx;
+ struct virtio_tx_region *txr;
+ struct vring_packed_desc *start_dp;
vq->vq_used_cons_idx = 0;
vq->vq_desc_head_idx = 0;
vq->vq_packed.event_flags_shadow = 0;
txvq = &vq->txq;
+ txr = txvq->virtio_net_hdr_mz->addr;
memset(txvq->mz->addr, 0, txvq->mz->len);
memset(txvq->virtio_net_hdr_mz->addr, 0,
txvq->virtio_net_hdr_mz->len);
rte_pktmbuf_free(dxp->cookie);
dxp->cookie = NULL;
}
+
+ if (virtio_with_feature(vq->hw, VIRTIO_RING_F_INDIRECT_DESC)) {
+ /* first indirect descriptor is always the tx header */
+ start_dp = txr[desc_idx].tx_packed_indir;
+ vring_desc_init_indirect_packed(start_dp,
+ RTE_DIM(txr[desc_idx].tx_packed_indir));
+ start_dp->addr = txvq->virtio_net_hdr_mem
+ + desc_idx * sizeof(*txr)
+ + offsetof(struct virtio_tx_region, tx_hdr);
+ start_dp->len = vq->hw->vtnet_hdr_size;
+ }
}
vring_desc_init_packed(vq, size);