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net/iavf: support CRC strip disabling

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The VF will check the PF's CRC strip capability firstly, then set the
'CRC strip disable' value in the queue configuration according to the
RX CRC offload setting.

Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
This commit is contained in:
Haiyue Wang 2021-01-12 16:13:00 +08:00 committed by Ferruh Yigit
parent 7815caa653
commit e5c9ed3bbd
3 changed files with 10 additions and 2 deletions
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3
drivers/net/iavf/iavf_ethdev.c
View File

@ -800,6 +800,9 @@ iavf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
DEV_TX_OFFLOAD_MULTI_SEGS |
DEV_TX_OFFLOAD_MBUF_FAST_FREE;
if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_CRC)
dev_info->rx_offload_capa |= DEV_RX_OFFLOAD_KEEP_CRC;
dev_info->default_rxconf = (struct rte_eth_rxconf) {
.rx_free_thresh = IAVF_DEFAULT_RX_FREE_THRESH,
.rx_drop_en = 0,

6
drivers/net/iavf/iavf_rxtx.c
View File

@ -550,11 +550,15 @@ iavf_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
rxq->rx_free_thresh = rx_free_thresh;
rxq->queue_id = queue_idx;
rxq->port_id = dev->data->port_id;
rxq->crc_len = 0; /* crc stripping by default */
rxq->rx_deferred_start = rx_conf->rx_deferred_start;
rxq->rx_hdr_len = 0;
rxq->vsi = vsi;
if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC)
rxq->crc_len = RTE_ETHER_CRC_LEN;
else
rxq->crc_len = 0;
len = rte_pktmbuf_data_room_size(rxq->mp) - RTE_PKTMBUF_HEADROOM;
rxq->rx_buf_len = RTE_ALIGN(len, (1 << IAVF_RXQ_CTX_DBUFF_SHIFT));

3
drivers/net/iavf/iavf_vchnl.c
View File

@ -458,6 +458,7 @@ iavf_get_vf_resource(struct iavf_adapter *adapter)
VIRTCHNL_VF_OFFLOAD_FDIR_PF |
VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF |
VIRTCHNL_VF_OFFLOAD_REQ_QUEUES |
VIRTCHNL_VF_OFFLOAD_CRC |
VIRTCHNL_VF_LARGE_NUM_QPAIRS;
args.in_args = (uint8_t *)&caps;
@ -853,7 +854,7 @@ iavf_configure_queues(struct iavf_adapter *adapter,
vc_qp->rxq.ring_len = rxq[i]->nb_rx_desc;
vc_qp->rxq.dma_ring_addr = rxq[i]->rx_ring_phys_addr;
vc_qp->rxq.databuffer_size = rxq[i]->rx_buf_len;
vc_qp->rxq.crc_disable = rxq[i]->crc_len != 0 ? 1 : 0;
#ifndef RTE_LIBRTE_IAVF_16BYTE_RX_DESC
if (vf->vf_res->vf_cap_flags &
VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC &&