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feat(wireguard): WIREGUARD_MTU enviromnent variable (#1571)

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This commit is contained in:
Lars Haalck
2023-05-21 15:11:07 +02:00
committed by GitHub
parent 63303bc311
commit 1dd38bc658
8 changed files with 63 additions and 6 deletions
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10
internal/wireguard/run.go
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@@ -74,7 +74,7 @@ func (w *Wireguard) Run(ctx context.Context, waitError chan<- error, ready chan<
defer closers.cleanup(w.logger)
link, waitAndCleanup, err := setupFunction(ctx,
w.settings.InterfaceName, w.netlink, &closers, w.logger)
w.settings.InterfaceName, w.netlink, w.settings.MTU, &closers, w.logger)
if err != nil {
waitError <- err
return
@@ -158,12 +158,12 @@ func (w *Wireguard) setupIPv6(link netlink.Link, closers *closers) (err error) {
type waitAndCleanupFunc func() error
func setupKernelSpace(ctx context.Context,
interfaceName string, netLinker NetLinker,
interfaceName string, netLinker NetLinker, mtu uint16,
closers *closers, logger Logger) (
link netlink.Link, waitAndCleanup waitAndCleanupFunc, err error) {
linkAttrs := netlink.LinkAttrs{
Name: interfaceName,
MTU: device.DefaultMTU, // TODO
MTU: int(mtu),
}
link = &netlink.Wireguard{
LinkAttrs: linkAttrs,
@@ -186,10 +186,10 @@ func setupKernelSpace(ctx context.Context,
}
func setupUserSpace(ctx context.Context,
interfaceName string, netLinker NetLinker,
interfaceName string, netLinker NetLinker, mtu uint16,
closers *closers, logger Logger) (
link netlink.Link, waitAndCleanup waitAndCleanupFunc, err error) {
tun, err := tun.CreateTUN(interfaceName, device.DefaultMTU)
tun, err := tun.CreateTUN(interfaceName, int(mtu))
if err != nil {
return nil, nil, fmt.Errorf("%w: %s", ErrCreateTun, err)
}