0fb738760f
wgengine: make Tun optional again, default to fake.
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This makes setup more explicit in prod codepaths, without
requiring a bunch of arguments or helpers for tests and
userspace mode.
Signed-off-by: David Anderson <danderson@tailscale.com>
2021-03-28 21:45:02 -07:00
93a4aa697c
wgengine: default Router to a no-op router.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-03-28 18:59:48 -07:00
2df8adef9d
wgengine: make the tun.Device required at construction.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-03-27 00:33:09 -07:00
018200aeba
net/tstun: rename from net/tun.
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We depend on wireguard-go/tun, identical leaf packages can be
confusing in code.
Signed-off-by: David Anderson <danderson@tailscale.com>
2021-03-26 22:31:54 -07:00
44d9929208
wgengine: remove Config.TUNName, require caller to create device.
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Also factors out device creation and associated OS workarounds to
net/tun.
Signed- 
David Anderson