From a340f911530103c192b8bdf7372134e536563f6f Mon Sep 17 00:00:00 2001 From: Haiyue Wang Date: Wed, 6 Sep 2023 13:57:02 -0600 Subject: [PATCH] ice: Support FCS/CRC strip disable for VF [ 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 Reviewed-by: Jesse Brandeburg Signed-off-by: Ahmed Zaki Tested-by: Rafal Romanowski Signed-off-by: Tony Nguyen Stable-dep-of: a884c304e18a ("ice: consistently use q_idx in ice_vc_cfg_qs_msg()") Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/ice/ice_virtchnl.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl.c b/drivers/net/ethernet/intel/ice/ice_virtchnl.c index 6c6f267dcccc..216c029661db 100644 --- a/drivers/net/ethernet/intel/ice/ice_virtchnl.c +++ b/drivers/net/ethernet/intel/ice/ice_virtchnl.c @@ -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))