RIO_SPORT_IS_ACTIVE

Section: Internals (9)
Updated: February 2011
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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>