Name
rio_sport_is_active — 
     Tests if a switch port has an active connection.
 
Synopsis
| int rio_sport_is_active ( | struct rio_mport * port, | 
|  | u16 destid, | 
|  | u8 hopcount, | 
|  | int sport ); | 
 
Arguments
- port
- 
     Master port to send transaction
     
- destid
- 
     Associated destination ID for switch
     
- hopcount
- 
     Hopcount to reach switch
     
- sport
- 
     Switch port number
     
Description
   Reads the port error status CSR for a particular switch port to
   determine if the port has an active link.  Returns
   RIO_PORT_N_ERR_STS_PORT_OK if the port is active or 0 if it is
   inactive.