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ice: Support FCS/CRC strip disable for VF

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[ Upstream commit 730cb741815c71d9dd8d1bc7d0b7d9a0acc615a8 ]

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: Haiyue Wang <haiyue.wang@intel.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Ahmed Zaki <ahmed.zaki@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Stable-dep-of: a884c304e18a ("ice: consistently use q_idx in ice_vc_cfg_qs_msg()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Haiyue Wang
2023-09-06 13:57:02 -06:00
committed by Greg Kroah-Hartman
parent 2edb61b5d3
commit a340f91153
1 changed files with 15 additions and 0 deletions
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15
drivers/net/ethernet/intel/ice/ice_virtchnl.c
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@@ -479,6 +479,9 @@ 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;
@@ -1665,6 +1668,18 @@ 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))