]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 3a36f19) | patch
IPoIB: Use multicast loopback blocking if available
authorRon Livne <ronli@voltaire.com>
Tue, 15 Jul 2008 06:48:48 +0000 (23:48 -0700)
committerRoland Dreier <rolandd@cisco.com>
Tue, 15 Jul 2008 06:48:48 +0000 (23:48 -0700)
commitf010f06b9c4dad6e5e9c8f5d727ffe9de64a93c8
tree731bbb97c981389fd04684714214b18388ec8b41tree | snapshot
parent3a36f1979a92e5b3c712b4d3edcc1b760d5fa175commit | diff
IPoIB: Use multicast loopback blocking if available

Set IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK for IPoIB's UD QPs if
supported by the underlying device.  This creates an improvement of up
to 39% in bandwidth when sending multicast packets with IPoIB, and an
improvment of 12% in cpu usage.

Signed-off-by: Ron Livne <ronli@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
drivers/infiniband/ulp/ipoib/ipoib_verbs.c diff | blob | history
Linux Kernel Source Tree.