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wgengine/netstack: simplify netaddrIPFromNetstackIP

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Updates #cleanup

Change-Id: I66878b08a75d44170460cbf33c895277c187bd8d
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2024-07-25 19:43:12 -07:00 committed by Brad Fitzpatrick
parent 855da47777
commit cf97cff33b
1 changed files with 2 additions and 4 deletions
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6
wgengine/netstack/netstack.go
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@ -1116,11 +1116,9 @@ func (ns *Impl) shouldHandlePing(p *packet.Parsed) (_ netip.Addr, ok bool) {
func netaddrIPFromNetstackIP(s tcpip.Address) netip.Addr { func netaddrIPFromNetstackIP(s tcpip.Address) netip.Addr {
switch s.Len() { switch s.Len() {
case 4: case 4:
s := s.As4() return netip.AddrFrom4(s.As4())
return netaddr.IPv4(s[0], s[1], s[2], s[3])
case 16: case 16:
s := s.As16() return netip.AddrFrom16(s.As16()).Unmap()
return netip.AddrFrom16(s).Unmap()
} }
return netip.Addr{} return netip.Addr{}
} }