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Remove duplicate function

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This commit is contained in:
Nate Brown 2025-10-03 10:27:35 -05:00
parent 48e30eea44
commit 4a47dca02d
1 changed files with 3 additions and 14 deletions
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17
overlay/tun_freebsd.go
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@ -9,7 +9,6 @@ import (
"fmt"
"io"
"io/fs"
"net"
"net/netip"
"sync/atomic"
"syscall"
@ -310,7 +309,7 @@ func (t *tun) addIp(cidr netip.Prefix) error {
MaskAddr: unix.RawSockaddrInet4{
Len: unix.SizeofSockaddrInet4,
Family: unix.AF_INET,
Addr: getNetmask(cidr).As4(),
Addr: prefixToMask(cidr).As4(),
},
VHid: 0,
}
@ -337,7 +336,7 @@ func (t *tun) addIp(cidr netip.Prefix) error {
PrefixMask: unix.RawSockaddrInet6{
Len: unix.SizeofSockaddrInet6,
Family: unix.AF_INET6,
Addr: getNetmask(cidr).As16(),
Addr: prefixToMask(cidr).As16(),
},
Lifetime: addrLifetime{
Expire: 0,
@ -516,21 +515,11 @@ func orBytes(a []byte, b []byte) []byte {
return ret
}
func getNetmask(cidr netip.Prefix) netip.Addr {
pLen := 128
if cidr.Addr().Is4() {
pLen = 32
}
addr, _ := netip.AddrFromSlice(net.CIDRMask(cidr.Bits(), pLen))
return addr
}
func getBroadcast(cidr netip.Prefix) netip.Addr {
broadcast, _ := netip.AddrFromSlice(
orBytes(
cidr.Addr().AsSlice(),
flipBytes(getNetmask(cidr).AsSlice()),
flipBytes(prefixToMask(cidr).AsSlice()),
),
)
return broadcast