yggdrasil-network/yggdrasil-go
1
0
Fork 0
mirror of https://github.com/yggdrasil-network/yggdrasil-go.git synced 2025-04-28 22:25:07 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix couple of issues with MTU calculations

Browse source
This commit is contained in:
Neil Alexander 2019-11-20 22:11:52 +00:00
parent ec46b217da
commit 9fca3640f9
No known key found for this signature in database
GPG key ID: A02A2019A2BB0944
2 changed files with 7 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

19
src/tuntap/tun.go
View file

@ -170,22 +170,17 @@ func (tun *TunAdapter) _start() error {
nodeID := crypto.GetNodeID(&boxPub)
tun.addr = *address.AddrForNodeID(nodeID)
tun.subnet = *address.SubnetForNodeID(nodeID)
tun.mtu = current.IfMTU
ifname := current.IfName
iftapmode := current.IfTAPMode
addr := fmt.Sprintf("%s/%d", net.IP(tun.addr[:]).String(), 8*len(address.GetPrefix())-1)
if ifname != "none" {
if err := tun.setup(ifname, iftapmode, addr, tun.mtu); err != nil {
return err
}
if tun.MTU() != current.IfMTU {
tun.log.Warnf("Warning: Interface MTU %d automatically adjusted to %d (supported range is 1280-%d)", current.IfMTU, tun.MTU(), MaximumMTU(tun.IsTAP()))
}
}
if ifname == "none" || ifname == "dummy" {
if current.IfName == "none" || current.IfName == "dummy" {
tun.log.Debugln("Not starting TUN/TAP as ifname is none or dummy")
return nil
}
if err := tun.setup(current.IfName, current.IfTAPMode, addr, current.IfMTU); err != nil {
return err
}
if tun.MTU() != current.IfMTU {
tun.log.Warnf("Warning: Interface MTU %d automatically adjusted to %d (supported range is 1280-%d)", current.IfMTU, tun.MTU(), MaximumMTU(tun.IsTAP()))
}
tun.isOpen = true
go tun.handler()
tun.reader.Act(nil, tun.reader._read) // Start the reader