FEATURE_MSK
if (FIELD_GET(FEATURE_MSK, md_feature->feature_set[i]) !=
u8 md_feature_mask = FIELD_GET(FEATURE_MSK, md_feature->feature_set[i]);
ft_spt_cfg = FIELD_GET(FEATURE_MSK, core->feature_set[i]);
ft_spt_st = FIELD_GET(FEATURE_MSK, rt_feature->support_info);
md->core_md.feature_set[RT_ID_MD_PORT_ENUM] &= ~FEATURE_MSK;
FIELD_PREP(FEATURE_MSK, MTK_FEATURE_MUST_BE_SUPPORTED);
md->core_ap.feature_set[RT_ID_AP_PORT_ENUM] &= ~FEATURE_MSK;
FIELD_PREP(FEATURE_MSK, MTK_FEATURE_MUST_BE_SUPPORTED);