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ipn/ipnlocal: for IPv6-only nodes, publish IPv6 MagicDNS records of peers

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See https://github.com/tailscale/tailscale/issues/2970#issuecomment-931885268

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2021-10-04 07:54:16 -07:00
committed by Brad Fitzpatrick
parent 45f51d4fa6
commit 22a1a5d7cf
3 changed files with 55 additions and 4 deletions
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6
net/tsaddr/tsaddr.go
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@@ -185,3 +185,9 @@ func IPsContainsFunc(ips []netaddr.IP, f func(netaddr.IP) bool) bool {
}
return false
}
// PrefixIs4 reports whether p is an IPv4 prefix.
func PrefixIs4(p netaddr.IPPrefix) bool { return p.IP().Is4() }
// PrefixIs6 reports whether p is an IPv6 prefix.
func PrefixIs6(p netaddr.IPPrefix) bool { return p.IP().Is6() }