IB/uverbs: Add new SRQ type IB_SRQT_TM
authorArtemy Kovalyov <artemyko@mellanox.com>
Thu, 17 Aug 2017 12:52:07 +0000 (15:52 +0300)
committerDoug Ledford <dledford@redhat.com>
Tue, 29 Aug 2017 12:30:18 +0000 (08:30 -0400)
commit38eb44fac71729fabdef71166e72bee5964c10d6
tree5035c2cb1829d0f0c0b4d89839d2d3ef8ec7ceb8
parent9382d4e1d3c09fe20fa53eb12b51ef01ad40774f
IB/uverbs: Add new SRQ type IB_SRQT_TM

Add new SRQ type capable of new tag matching feature.

When SRQ receives a message it will search through the matching list
for the corresponding posted receive buffer. The process of searching
the matching list is called tag matching.

In case the tag matching results in a match, the received message will
be placed in the address specified by the receive buffer. In case no
match was found the message will be placed in a generic buffer until the
corresponding receive buffer will be posted. These messages are called
unexpected and their set is called an unexpected list.

Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Reviewed-by: Yossi Itigin <yosefe@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
drivers/infiniband/core/uverbs_cmd.c