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

Document ICMPv6 and TUN/TAP

Browse source
This commit is contained in:
Neil Alexander 2018-06-12 22:45:53 +01:00
parent ad6ea59049
commit 8e2c2aa977
No known key found for this signature in database
GPG key ID: A02A2019A2BB0944
10 changed files with 90 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/yggdrasil/tun_linux.go
View file

@ -1,7 +1,6 @@
package yggdrasil
// The linux platform specific tun parts
// It depends on iproute2 being installed to set things on the tun device
import "errors"
import "fmt"
@ -11,6 +10,8 @@ import water "github.com/yggdrasil-network/water"
import "github.com/docker/libcontainer/netlink"
// Sane defaults for the Linux platform. The "default" options may be
// may be replaced by the running configuration.
func getDefaults() tunDefaultParameters {
return tunDefaultParameters{
maximumIfMTU: 65535,
@ -20,6 +21,7 @@ func getDefaults() tunDefaultParameters {
}
}
// Configures the TAP adapter with the correct IPv6 address and MTU.
func (tun *tunDevice) setup(ifname string, iftapmode bool, addr string, mtu int) error {
var config water.Config
if iftapmode {
@ -39,6 +41,10 @@ func (tun *tunDevice) setup(ifname string, iftapmode bool, addr string, mtu int)
return tun.setupAddress(addr)
}
// Configures the TAP adapter with the correct IPv6 address and MTU. Netlink
// is used to do this, so there is not a hard requirement on "ip" or "ifconfig"
// to exist on the system, but this will fail if Netlink is not present in the
// kernel (it nearly always is).
func (tun *tunDevice) setupAddress(addr string) error {
// Set address
var netIF *net.Interface