rio_sport_is_active(9)
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
PORT_N_ERR_STS_PORT_OK if the port is active or 0 if it is inactive.
AUTHOR
- Matt Porter <mporter@kernel.crashing.org>, <mporter@mvista.com>
- Author.