is_field_set
if ((is_field_set(fs->val.pfvf_vld, fs->mask.pfvf_vld) &&
is_field_set(fs->val.ovlan_vld, fs->mask.ovlan_vld)) ||
(is_field_set(fs->val.pfvf_vld, fs->mask.pfvf_vld) &&
is_field_set(fs->val.encap_vld, fs->mask.encap_vld)) ||
(is_field_set(fs->val.ovlan_vld, fs->mask.ovlan_vld) &&
is_field_set(fs->val.encap_vld, fs->mask.encap_vld)))
(is_field_set(fs->val.ovlan_vld, fs->mask.ovlan_vld) &&
return !(conf & conf_mask) && is_field_set(val, mask);