mirror of
https://github.com/jsimonetti/rtnetlink.git
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8026e5db33
In order to update to v2.0.0, we need to update the module path per the Go module documentation. * https://go.dev/doc/modules/major-version Fixes: https://github.com/jsimonetti/rtnetlink/issues/225 This can be released as v2.0.1 Signed-off-by: SuperQ <superq@gmail.com>
52 lines
1.1 KiB
Go
52 lines
1.1 KiB
Go
package driver
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import (
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"fmt"
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"github.com/jsimonetti/rtnetlink/v2"
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"github.com/mdlayher/netlink"
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)
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const veth_info_peer = 0x1
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// Veth implements LinkDriverVerifier for the veth driver
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type Veth struct {
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PeerInfo *rtnetlink.LinkMessage // Specifies peer link information
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}
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var _ rtnetlink.LinkDriverVerifier = &Veth{}
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func (v *Veth) New() rtnetlink.LinkDriver {
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return &Veth{}
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}
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func (v *Veth) Encode(ae *netlink.AttributeEncoder) error {
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b, err := v.PeerInfo.MarshalBinary()
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if err != nil {
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return err
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}
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ae.Bytes(veth_info_peer, b)
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return nil
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}
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func (v *Veth) Decode(ad *netlink.AttributeDecoder) error {
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return nil
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}
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func (*Veth) Kind() string {
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return "veth"
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}
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const (
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eth_min_mtu = 68 // Min IPv4 MTU per RFC791
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eth_max_mtu = 65535 // 65535, same as IP_MAX_MTU
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)
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func (v *Veth) Verify(msg *rtnetlink.LinkMessage) error {
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if msg.Attributes != nil && msg.Attributes.MTU > 0 && (msg.Attributes.MTU < eth_min_mtu || msg.Attributes.MTU > eth_max_mtu) {
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return fmt.Errorf("invalid MTU value %d, must be between %d %d", msg.Attributes.MTU, eth_min_mtu, eth_max_mtu)
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}
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return nil
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}
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