func toTcGen(attrs *ActionAttrs, tcgen *nl.TcGen) {
tcgen.Index = uint32(attrs.Index)
tcgen.Capab = uint32(attrs.Capab)
tcgen.Action = int32(attrs.Action)
tcgen.Refcnt = int32(attrs.Refcnt)
tcgen.Bindcnt = int32(attrs.Bindcnt)
}
func encodeActions(attr *nl.RtAttr, actions []Action) error {
tabIndex := int(nl.TCA_ACT_TAB)
for _, action := range actions {
switch action := action.(type) {
default:
return fmt.Errorf("unknown action type %s", action.Type())
case *MirredAction:
table := nl.NewRtAttrChild(attr, tabIndex, nil)
tabIndex++
nl.NewRtAttrChild(table, nl.TCA_ACT_KIND, nl.ZeroTerminated("mirred"))
aopts := nl.NewRtAttrChild(table, nl.TCA_ACT_OPTIONS, nil)
mirred := nl.TcMirred{
Eaction: int32(action.MirredAction),
Ifindex: uint32(action.Ifindex),
}
toTcGen(action.Attrs(), &mirred.TcGen)
nl.NewRtAttrChild(aopts, nl.TCA_MIRRED_PARMS, mirred.Serialize())
case *BpfAction:
table := nl.NewRtAttrChild(attr, tabIndex, nil)
tabIndex++
nl.NewRtAttrChild(table, nl.TCA_ACT_KIND, nl.ZeroTerminated("bpf"))
aopts := nl.NewRtAttrChild(table, nl.TCA_ACT_OPTIONS, nil)
gen := nl.TcGen{}
toTcGen(action.Attrs(), &gen)
nl.NewRtAttrChild(aopts, nl.TCA_ACT_BPF_PARMS, gen.Serialize())
nl.NewRtAttrChild(aopts, nl.TCA_ACT_BPF_FD, nl.Uint32Attr(uint32(action.Fd)))
nl.NewRtAttrChild(aopts, nl.TCA_ACT_BPF_NAME, nl.ZeroTerminated(action.Name))
case *GenericAction:
table := nl.NewRtAttrChild(attr, tabIndex, nil)
tabIndex++
nl.NewRtAttrChild(table, nl.TCA_ACT_KIND, nl.ZeroTerminated("gact"))
aopts := nl.NewRtAttrChild(table, nl.TCA_ACT_OPTIONS, nil)
gen := nl.TcGen{}
toTcGen(action.Attrs(), &gen)
nl.NewRtAttrChild(aopts, nl.TCA_GACT_PARMS, gen.Serialize())
}
}
return nil
}
