3 Commits

Author	SHA1	Message	Date
Eli Cohen	f56bcd8013	IPoIB: Use separate CQ for UD send completions ... Use a dedicated CQ for UD send completions. Also, do not arm the UD send CQ, which reduces the number of interrupts generated. This patch farther reduces overhead by not calling poll CQ for every posted send WR -- it does polls only when there 16 or more outstanding work requests. Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>	2008-04-29 13:46:53 -07:00
Eli Cohen	28d52b3cd8	IPoIB: Support modifying IPoIB CQ event moderation ... This can be used to tune at run time the parameters controlling the event (interrupt) generation rate and thus reduce the overhead incurred by handling interrupts resulting in better throughput. Since IPoIB uses a single CQ for both RX and TX, RX is chosen to dictate configuration for both RX and TX. Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>	2008-04-16 21:09:33 -07:00
Eli Cohen	82c24c18af	IPoIB: Add basic ethtool support ... Just add the infrastructure so we can add functionality later. Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>	2008-04-16 21:09:32 -07:00