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Touch-up error-message and godoc for ConfigVXLANUDPPort #2303

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Merged
fcrisciani merged 1 commit into from
Jan 23, 2019
Merged

Touch-up error-message and godoc for ConfigVXLANUDPPort #2303

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7 changes: 4 additions & 3 deletions drivers/overlay/overlayutils/utils.go
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Original file line number Diff line number Diff line change
Expand Up @@ -17,9 +17,10 @@ func init() {
vxlanUDPPort = defaultVXLANUDPPort
}

// ConfigVXLANUDPPort configures vxlan udp port number.
// ConfigVXLANUDPPort configures the VXLAN UDP port (data path port) number.
// If no port is set, the default (4789) is returned. Valid port numbers are
// between 1024 and 49151.
func ConfigVXLANUDPPort(vxlanPort uint32) error {
// if the value comes as 0 by any reason we set it to default value 4789
if vxlanPort == 0 {
vxlanPort = defaultVXLANUDPPort
}
Expand All @@ -29,7 +30,7 @@ func ConfigVXLANUDPPort(vxlanPort uint32) error {
// The Dynamic Ports, aka the Private Ports, from 49152-65535
// So we can allow range between 1024 to 49151
if vxlanPort < 1024 || vxlanPort > 49151 {
return fmt.Errorf("ConfigVxlanUDPPort Vxlan UDP port number is not in valid range %d", vxlanPort)
return fmt.Errorf("VXLAN UDP port number is not in valid range (1024-49151): %d", vxlanPort)
}
mutex.Lock()
vxlanUDPPort = vxlanPort
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