On Mon, Jan 31, 2022 at 01:43:14PM -0600, Shiraz Saleem wrote:
> From: Dave Ertman <david.m.ertman@xxxxxxxxx>
>
> The ice driver provides QoS information to auxiliary drivers through
> the exported function ice_get_qos_params. This function doesn't
> currently support L3 DSCP QoS.
>
> Add the necessary defines, structure elements and code to support DSCP
> QoS through the IIDC functions.
>
> Signed-off-by: Dave Ertman <david.m.ertman@xxxxxxxxx>
> Signed-off-by: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx>
> Signed-off-by: Shiraz Saleem <shiraz.saleem@xxxxxxxxx>
> ---
> drivers/net/ethernet/intel/ice/ice_idc.c | 5 +++++
> include/linux/net/intel/iidc.h | 5 +++++
> 2 files changed, 10 insertions(+)
>
> diff --git a/drivers/net/ethernet/intel/ice/ice_idc.c b/drivers/net/ethernet/intel/ice/ice_idc.c
> index fc35801..263a2e7 100644
> --- a/drivers/net/ethernet/intel/ice/ice_idc.c
> +++ b/drivers/net/ethernet/intel/ice/ice_idc.c
> @@ -227,6 +227,11 @@ void ice_get_qos_params(struct ice_pf *pf, struct iidc_qos_params *qos)
>
> for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
> qos->tc_info[i].rel_bw = dcbx_cfg->etscfg.tcbwtable[i];
> +
> + qos->pfc_mode = dcbx_cfg->pfc_mode;
> + if (qos->pfc_mode == IIDC_DSCP_PFC_MODE)
> + for (i = 0; i < IIDC_MAX_DSCP_MAPPING; i++)
> + qos->dscp_map[i] = dcbx_cfg->dscp_map[i];
> }
> EXPORT_SYMBOL_GPL(ice_get_qos_params);
>
> diff --git a/include/linux/net/intel/iidc.h b/include/linux/net/intel/iidc.h
> index 1289593..fee9180 100644
> --- a/include/linux/net/intel/iidc.h
> +++ b/include/linux/net/intel/iidc.h
> @@ -32,6 +32,9 @@ enum iidc_rdma_protocol {
> };
>
> #define IIDC_MAX_USER_PRIORITY 8
> +#define IIDC_MAX_DSCP_MAPPING 64
> +#define IIDC_VLAN_PFC_MODE 0x0
This define is not used in any of the patches in the series.
Thanks
> +#define IIDC_DSCP_PFC_MODE 0x1
>
> /* Struct to hold per RDMA Qset info */
> struct iidc_rdma_qset_params {
> @@ -60,6 +63,8 @@ struct iidc_qos_params {
> u8 vport_relative_bw;
> u8 vport_priority_type;
> u8 num_tc;
> + u8 pfc_mode;
> + u8 dscp_map[IIDC_MAX_DSCP_MAPPING];
> };
>
> struct iidc_event {
> --
> 1.8.3.1
>
