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| author | Mustafa Ismail <mustafa.ismail@intel.com> | 2022-02-02 13:19:21 -0600 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2022-02-08 12:54:47 -0400 |
| commit | 4b860c9169dcb8aead7e1744327c52a253f5c5fd (patch) | |
| tree | 66753ffa4881e6d641bb91d8a70b50f197b34909 /drivers/infiniband/hw/irdma/main.c | |
| parent | 83483055321f1e5e45abc1444c49d916e1c52bc4 (diff) | |
| download | linux-stable-4b860c9169dcb8aead7e1744327c52a253f5c5fd.tar.gz linux-stable-4b860c9169dcb8aead7e1744327c52a253f5c5fd.tar.bz2 linux-stable-4b860c9169dcb8aead7e1744327c52a253f5c5fd.zip | |
RDMA/irdma: Add support for DSCP
Add DSCP support for the Intel Ethernet 800 Series devices. Setup VSI
DSCP info when PCI driver indicates DSCP mode during driver probe or as
notification event.
Link: https://lore.kernel.org/r/20220202191921.1638-4-shiraz.saleem@intel.com
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/irdma/main.c')
| -rw-r--r-- | drivers/infiniband/hw/irdma/main.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/irdma/main.c b/drivers/infiniband/hw/irdma/main.c index 179667b3e0b8..97625263899f 100644 --- a/drivers/infiniband/hw/irdma/main.c +++ b/drivers/infiniband/hw/irdma/main.c @@ -79,6 +79,10 @@ static void irdma_fill_qos_info(struct irdma_l2params *l2params, } for (i = 0; i < IIDC_MAX_USER_PRIORITY; i++) l2params->up2tc[i] = qos_info->up2tc[i]; + if (qos_info->pfc_mode == IIDC_DSCP_PFC_MODE) { + l2params->dscp_mode = true; + memcpy(l2params->dscp_map, qos_info->dscp_map, sizeof(l2params->dscp_map)); + } } static void irdma_iidc_event_handler(struct ice_pf *pf, struct iidc_event *event) @@ -110,7 +114,7 @@ static void irdma_iidc_event_handler(struct ice_pf *pf, struct iidc_event *event ice_get_qos_params(pf, &qos_info); irdma_fill_qos_info(&l2params, &qos_info); if (iwdev->rf->protocol_used != IRDMA_IWARP_PROTOCOL_ONLY) - iwdev->dcb_vlan_mode = qos_info.num_tc > 1; + iwdev->dcb_vlan_mode = qos_info.num_tc > 1 && !l2params.dscp_mode; irdma_change_l2params(&iwdev->vsi, &l2params); } else if (*event->type & BIT(IIDC_EVENT_CRIT_ERR)) { ibdev_warn(&iwdev->ibdev, "ICE OICR event notification: oicr = 0x%08x\n", @@ -285,7 +289,7 @@ static int irdma_probe(struct auxiliary_device *aux_dev, const struct auxiliary_ ice_get_qos_params(pf, &qos_info); irdma_fill_qos_info(&l2params, &qos_info); if (iwdev->rf->protocol_used != IRDMA_IWARP_PROTOCOL_ONLY) - iwdev->dcb_vlan_mode = l2params.num_tc > 1; + iwdev->dcb_vlan_mode = l2params.num_tc > 1 && !l2params.dscp_mode; if (irdma_rt_init_hw(iwdev, &l2params)) { err = -EIO; |