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This commit is contained in:
Claire Wang 2024-01-16 20:19:07 -05:00
parent 50dbdfd02d
commit e92cb93ba7
3 changed files with 0 additions and 45 deletions
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9
wgengine/magicsock/peermtu.go
View File

@ -104,15 +104,6 @@ func (c *Conn) UpdatePMTUD() {
_ = c.setDontFragment("udp6", false)
newStatus = false
}
err4 = c.setReceiveICMPErrors("udp4", enable)
err6 = c.setReceiveICMPErrors("udp6", enable)
if err4 != nil || err6 != nil {
c.logf("[unexpected] magicsock: peermtu: enabling receive ICMP errors to %v failed (v4: %v, v6: %v), disabling", enable, err4, err6)
_ = c.setReceiveICMPErrors("udp4", false)
_ = c.setReceiveICMPErrors("udp6", false)
}
if debugPMTUD() {
c.logf("magicsock: peermtu: peer MTU probes are %v", tstun.WireMTUsToProbe)
}

4
wgengine/magicsock/peermtu_darwin.go
View File

@ -49,7 +49,3 @@ func (c *Conn) getDontFragment(network string) (bool, error) {
}
return false, err
}
func (c *Conn) setReceiveICMPErrors(network string, enable bool) error {
return nil
}

32
wgengine/magicsock/peermtu_linux.go
View File

@ -47,35 +47,3 @@ func (c *Conn) getDontFragment(network string) (bool, error) {
}
return false, err
}
func (c *Conn) setReceiveICMPErrors(network string, enable bool) error {
optArg := 1
if enable == false {
optArg = 0
}
var err error
rcErr := c.connControl(network, func(fd uintptr) {
err = syscall.SetsockoptInt(int(fd), getIPProto(network), syscall.IP_RECVERR, optArg)
})
if rcErr != nil {
return rcErr
}
return err
}
func (c *Conn) getReceiveICMPErrors(network string, enable bool) (bool, error) {
var v int
var err error
rcErr := c.connControl(network, func(fd uintptr) {
v, err = syscall.GetsockoptInt(int(fd), getIPProto(network), syscall.IP_RECVERR)
})
if rcErr != nil {
return false, rcErr
}
if v == 1 {
return true, err
}
return false, err
}