diff options
Diffstat (limited to 'drivers/net/vmxnet3/vmxnet3_rxtx.c')
| -rw-r--r-- | drivers/net/vmxnet3/vmxnet3_rxtx.c | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/drivers/net/vmxnet3/vmxnet3_rxtx.c b/drivers/net/vmxnet3/vmxnet3_rxtx.c index b1091688..93db10fb 100644 --- a/drivers/net/vmxnet3/vmxnet3_rxtx.c +++ b/drivers/net/vmxnet3/vmxnet3_rxtx.c @@ -518,6 +518,32 @@ vmxnet3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, return nb_tx; } +static inline void +vmxnet3_renew_desc(vmxnet3_rx_queue_t *rxq, uint8_t ring_id, + struct rte_mbuf *mbuf) +{ + uint32_t val = 0; + struct vmxnet3_cmd_ring *ring = &rxq->cmd_ring[ring_id]; + struct Vmxnet3_RxDesc *rxd = + (struct Vmxnet3_RxDesc *)(ring->base + ring->next2fill); + vmxnet3_buf_info_t *buf_info = &ring->buf_info[ring->next2fill]; + + if (ring_id == 0) + val = VMXNET3_RXD_BTYPE_HEAD; + else + val = VMXNET3_RXD_BTYPE_BODY; + + buf_info->m = mbuf; + buf_info->len = (uint16_t)(mbuf->buf_len - RTE_PKTMBUF_HEADROOM); + buf_info->bufPA = rte_mbuf_data_dma_addr_default(mbuf); + + rxd->addr = buf_info->bufPA; + rxd->btype = val; + rxd->len = buf_info->len; + rxd->gen = ring->gen; + + vmxnet3_cmd_ring_adv_next2fill(ring); +} /* * Allocates mbufs and clusters. Post rx descriptors with buffer details * so that device can receive packets in those buffers. @@ -657,9 +683,18 @@ vmxnet3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) } while (rcd->gen == rxq->comp_ring.gen) { + struct rte_mbuf *newm; + if (nb_rx >= nb_pkts) break; + newm = rte_mbuf_raw_alloc(rxq->mp); + if (unlikely(newm == NULL)) { + PMD_RX_LOG(ERR, "Error allocating mbuf"); + rxq->stats.rx_buf_alloc_failure++; + break; + } + idx = rcd->rxdIdx; ring_idx = (uint8_t)((rcd->rqID == rxq->qid1) ? 0 : 1); rxd = (Vmxnet3_RxDesc *)rxq->cmd_ring[ring_idx].base + idx; @@ -759,8 +794,8 @@ rcd_done: VMXNET3_INC_RING_IDX_ONLY(rxq->cmd_ring[ring_idx].next2comp, rxq->cmd_ring[ring_idx].size); - /* It's time to allocate some new buf and renew descriptors */ - vmxnet3_post_rx_bufs(rxq, ring_idx); + /* It's time to renew descriptors */ + vmxnet3_renew_desc(rxq, ring_idx, newm); if (unlikely(rxq->shared->ctrl.updateRxProd)) { VMXNET3_WRITE_BAR0_REG(hw, rxprod_reg[ring_idx] + (rxq->queue_id * VMXNET3_REG_ALIGN), rxq->cmd_ring[ring_idx].next2fill); |