| Message ID | 20220131194316.1528-2-shiraz.saleem@intel.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | Add DSCP QoS mappings for RDMA | expand |
On Mon, Jan 31, 2022 at 01:43:14PM -0600, Shiraz Saleem wrote: > From: Dave Ertman <david.m.ertman@intel.com> > > 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@intel.com> > Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> > Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> > --- > 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 >
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 +#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 {