yggdrasil-network/yggdrasil-go
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Centralise platform defaults into the 'defaults' package

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This commit is contained in:
Neil Alexander 2018-07-07 12:08:52 +01:00
parent adc21baa28
commit 1692bd98fd
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GPG key ID: A02A2019A2BB0944
20 changed files with 169 additions and 105 deletions
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18
src/yggdrasil/tun.go
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@ -3,6 +3,8 @@ package yggdrasil
// This manages the tun driver to send/recv packets to/from applications
import (
"yggdrasil/defaults"
"github.com/songgao/packets/ethernet"
"github.com/yggdrasil-network/water"
)
@ -20,21 +22,11 @@ type tunDevice struct {
iface *water.Interface
}
// Defines which parameters are expected by default for a TUN/TAP adapter on a
// specific platform. These values are populated in the relevant tun_*.go for
// the platform being targeted. They must be set.
type tunDefaultParameters struct {
maximumIfMTU int
defaultIfMTU int
defaultIfName string
defaultIfTAPMode bool
}
// Gets the maximum supported MTU for the platform based on the defaults in
// getDefaults().
// defaults.GetDefaults().
func getSupportedMTU(mtu int) int {
if mtu > getDefaults().maximumIfMTU {
return getDefaults().maximumIfMTU
if mtu > defaults.GetDefaults().MaximumIfMTU {
return defaults.GetDefaults().MaximumIfMTU
}
return mtu
}