| 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 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¶
| May 2024 | Kernel Hackers Manual 2.6. |