diff options
author | 2017-05-16 14:51:32 +0200 | |
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committer | 2017-05-16 14:51:32 +0200 | |
commit | fca143f059a0bddd7d47b8dc2df646a891b0eb0f (patch) | |
tree | 4bfeadc905c977e45e54a90c42330553b8942e4e /drivers/net/virtio/virtio_rxtx.c | |
parent | ce3d555e43e3795b5d9507fcfc76b7a0a92fd0d6 (diff) |
Imported Upstream version 17.05
Diffstat (limited to 'drivers/net/virtio/virtio_rxtx.c')
-rw-r--r-- | drivers/net/virtio/virtio_rxtx.c | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c index a33ef1a8..fbc96dfb 100644 --- a/drivers/net/virtio/virtio_rxtx.c +++ b/drivers/net/virtio/virtio_rxtx.c @@ -72,6 +72,15 @@ #define VIRTIO_SIMPLE_FLAGS ((uint32_t)ETH_TXQ_FLAGS_NOMULTSEGS | \ ETH_TXQ_FLAGS_NOOFFLOADS) +int +virtio_dev_rx_queue_done(void *rxq, uint16_t offset) +{ + struct virtnet_rx *rxvq = rxq; + struct virtqueue *vq = rxvq->vq; + + return VIRTQUEUE_NUSED(vq) >= offset; +} + static void vq_ring_free_chain(struct virtqueue *vq, uint16_t desc_idx) { @@ -124,7 +133,7 @@ virtqueue_dequeue_burst_rx(struct virtqueue *vq, struct rte_mbuf **rx_pkts, cookie = (struct rte_mbuf *)vq->vq_descx[desc_idx].cookie; if (unlikely(cookie == NULL)) { - PMD_DRV_LOG(ERR, "vring descriptor with no mbuf cookie at %u\n", + PMD_DRV_LOG(ERR, "vring descriptor with no mbuf cookie at %u", vq->vq_used_cons_idx); break; } @@ -716,7 +725,7 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) { struct virtnet_rx *rxvq = rx_queue; struct virtqueue *vq = rxvq->vq; - struct virtio_hw *hw; + struct virtio_hw *hw = vq->hw; struct rte_mbuf *rxm, *new_mbuf; uint16_t nb_used, num, nb_rx; uint32_t len[VIRTIO_MBUF_BURST_SZ]; @@ -727,6 +736,10 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) int offload; struct virtio_net_hdr *hdr; + nb_rx = 0; + if (unlikely(hw->started == 0)) + return nb_rx; + nb_used = VIRTQUEUE_NUSED(vq); virtio_rmb(); @@ -739,8 +752,6 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) num = virtqueue_dequeue_burst_rx(vq, rcv_pkts, len, num); PMD_RX_LOG(DEBUG, "used:%d dequeue:%d", nb_used, num); - hw = vq->hw; - nb_rx = 0; nb_enqueued = 0; hdr_size = hw->vtnet_hdr_size; offload = rx_offload_enabled(hw); @@ -763,8 +774,6 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) rxm->ol_flags = 0; rxm->vlan_tci = 0; - rxm->nb_segs = 1; - rxm->next = NULL; rxm->pkt_len = (uint32_t)(len[i] - hdr_size); rxm->data_len = (uint16_t)(len[i] - hdr_size); @@ -784,7 +793,7 @@ virtio_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) rx_pkts[nb_rx++] = rxm; - rxvq->stats.bytes += rx_pkts[nb_rx - 1]->pkt_len; + rxvq->stats.bytes += rxm->pkt_len; virtio_update_packet_stats(&rxvq->stats, rxm); } @@ -827,7 +836,7 @@ virtio_recv_mergeable_pkts(void *rx_queue, { struct virtnet_rx *rxvq = rx_queue; struct virtqueue *vq = rxvq->vq; - struct virtio_hw *hw; + struct virtio_hw *hw = vq->hw; struct rte_mbuf *rxm, *new_mbuf; uint16_t nb_used, num, nb_rx; uint32_t len[VIRTIO_MBUF_BURST_SZ]; @@ -841,14 +850,16 @@ virtio_recv_mergeable_pkts(void *rx_queue, uint32_t hdr_size; int offload; + nb_rx = 0; + if (unlikely(hw->started == 0)) + return nb_rx; + nb_used = VIRTQUEUE_NUSED(vq); virtio_rmb(); PMD_RX_LOG(DEBUG, "used:%d", nb_used); - hw = vq->hw; - nb_rx = 0; i = 0; nb_enqueued = 0; seg_num = 0; @@ -891,7 +902,6 @@ virtio_recv_mergeable_pkts(void *rx_queue, rxm->data_off = RTE_PKTMBUF_HEADROOM; rxm->nb_segs = seg_num; - rxm->next = NULL; rxm->ol_flags = 0; rxm->vlan_tci = 0; rxm->pkt_len = (uint32_t)(len[0] - hdr_size); @@ -936,7 +946,6 @@ virtio_recv_mergeable_pkts(void *rx_queue, rxm = rcv_pkts[extra_idx]; rxm->data_off = RTE_PKTMBUF_HEADROOM - hdr_size; - rxm->next = NULL; rxm->pkt_len = (uint32_t)(len[extra_idx]); rxm->data_len = (uint16_t)(len[extra_idx]); @@ -1000,9 +1009,12 @@ virtio_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts) 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; + uint16_t nb_used, nb_tx = 0; int error; + if (unlikely(hw->started == 0)) + return nb_tx; + if (unlikely(nb_pkts < 1)) return nb_pkts; @@ -1027,7 +1039,8 @@ 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) && + if ((vtpci_with_feature(hw, VIRTIO_F_ANY_LAYOUT) || + vtpci_with_feature(hw, VIRTIO_F_VERSION_1)) && rte_mbuf_refcnt_read(txm) == 1 && RTE_MBUF_DIRECT(txm) && txm->nb_segs == 1 && |