RIO_SPORT_IS_ACTIVE(9) Internals 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
RIO_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.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 RIO_SPORT_IS_ACTIVE(9)
