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tailcfg: introduce map version 8, for clients that support v6 node config.

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For now, the server will only send v6 configuration to mapversion 8 clients
as part of an early-adopter program, while we verify that the functionality
is robust.

Signed-off-by: David Anderson <danderson@tailscale.com>
This commit is contained in:
David Anderson 2020-12-19 18:28:27 -08:00
parent 03a039d48d
commit ca676ea645
2 changed files with 2 additions and 1 deletions
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2
control/controlclient/direct.go
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@ -545,7 +545,7 @@ func (c *Direct) PollNetMap(ctx context.Context, maxPolls int, cb func(*NetworkM
}
request := tailcfg.MapRequest{
Version: 7,
Version: 8,
KeepAlive: c.keepAlive,
NodeKey: tailcfg.NodeKey(persist.PrivateNodeKey.Public()),
DiscoKey: c.discoPubKey,

1
tailcfg/tailcfg.go
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@ -478,6 +478,7 @@ type MapRequest struct {
// 5: 2020-10-19, implies IncludeIPv6, delta Peers/UserProfiles, supports MagicDNS
// 6: 2020-12-07: means MapResponse.PacketFilter nil means unchanged
// 7: 2020-12-15: FilterRule.SrcIPs accepts CIDRs+ranges, doesn't warn about 0.0.0.0/::
// 8: 2020-12-19: client can receive IPv6 addresses and routes if beta enabled server-side
Version int
Compress string // "zstd" or "" (no compression)
KeepAlive bool // whether server should send keep-alives back to us