Commit 730cb741 authored by Haiyue Wang's avatar Haiyue Wang Committed by Tony Nguyen
Browse files

ice: Support FCS/CRC strip disable for VF 



To support CRC strip enable/disable functionality, VF needs the explicit
request VIRTCHNL_VF_OFFLOAD_CRC offload. Then according to crc_disable
flag of Rx queue configuration information to set up the queue context.

Signed-off-by: default avatarHaiyue Wang <haiyue.wang@intel.com>
Reviewed-by: default avatarJesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: default avatarAhmed Zaki <ahmed.zaki@intel.com>
Tested-by: default avatarRafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: default avatarTony Nguyen <anthony.l.nguyen@intel.com>
parent 89de9921

drivers/net/ethernet/intel/ice/ice_virtchnl.c

+15 −0
Original line number Diff line number Diff line
@@ -486,6 +486,9 @@ static int ice_vc_get_vf_res_msg(struct ice_vf *vf, u8 *msg) 
	if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_REQ_QUEUES)

		vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_REQ_QUEUES;



	if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_CRC)

		vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_CRC;



	if (vf->driver_caps & VIRTCHNL_VF_CAP_ADV_LINK_SPEED)

		vfres->vf_cap_flags |= VIRTCHNL_VF_CAP_ADV_LINK_SPEED;
@@ -1666,6 +1669,18 @@ static int ice_vc_cfg_qs_msg(struct ice_vf *vf, u8 *msg) 
			vsi->rx_rings[i]->dma = qpi->rxq.dma_ring_addr;

			vsi->rx_rings[i]->count = qpi->rxq.ring_len;



			if (qpi->rxq.crc_disable &&

			    !(vf->driver_caps & VIRTCHNL_VF_OFFLOAD_CRC)) {

				goto error_param;

			}



			if (qpi->rxq.crc_disable)

				vsi->rx_rings[q_idx]->flags |=

					ICE_RX_FLAGS_CRC_STRIP_DIS;

			else

				vsi->rx_rings[q_idx]->flags &=

					~ICE_RX_FLAGS_CRC_STRIP_DIS;



			if (qpi->rxq.databuffer_size != 0 &&

			    (qpi->rxq.databuffer_size > ((16 * 1024) - 128) ||

			     qpi->rxq.databuffer_size < 1024))