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This commit is contained in:
JackDoan
2025-11-07 14:26:35 -06:00
parent 3ec527e42c
commit ac5382928e
50 changed files with 4013 additions and 123 deletions
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23
overlay/tun.go
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@@ -2,16 +2,29 @@ package overlay
import (
"fmt"
"io"
"net"
"net/netip"
"github.com/sirupsen/logrus"
"github.com/slackhq/nebula/config"
"github.com/slackhq/nebula/packet"
"github.com/slackhq/nebula/util"
)
const DefaultMTU = 1300
type TunDev interface {
io.WriteCloser
ReadMany(x []*packet.VirtIOPacket, q int) (int, error)
//todo this interface sux
AllocSeg(pkt *packet.OutPacket, q int) (int, error)
WriteOne(x *packet.OutPacket, kick bool, q int) (int, error)
WriteMany(x []*packet.OutPacket, q int) (int, error)
RecycleRxSeg(pkt *packet.VirtIOPacket, kick bool, q int) error
}
// TODO: We may be able to remove routines
type DeviceFactory func(c *config.C, l *logrus.Logger, vpnNetworks []netip.Prefix, routines int) (Device, error)
@@ -26,11 +39,11 @@ func NewDeviceFromConfig(c *config.C, l *logrus.Logger, vpnNetworks []netip.Pref
}
}
func NewFdDeviceFromConfig(fd *int) DeviceFactory {
return func(c *config.C, l *logrus.Logger, vpnNetworks []netip.Prefix, routines int) (Device, error) {
return newTunFromFd(c, l, *fd, vpnNetworks)
}
}
//func NewFdDeviceFromConfig(fd *int) DeviceFactory {
// return func(c *config.C, l *logrus.Logger, vpnNetworks []netip.Prefix, routines int) (Device, error) {
// return newTunFromFd(c, l, *fd, vpnNetworks)
// }
//}
func getAllRoutesFromConfig(c *config.C, vpnNetworks []netip.Prefix, initial bool) (bool, []Route, error) {
if !initial && !c.HasChanged("tun.routes") && !c.HasChanged("tun.unsafe_routes") {