linux-toradex.git/drivers/infiniband/core/agent.c, branch v3.11.4

IB/mad: Improve an error message so error code is included

2011-03-18T16:42:20+00:00

Signed-off-by: Michael Heinz 
Signed-off-by: Roland Dreier

IB/mad: IBoE supports only QP1 (no QP0)

2010-10-13T16:38:11+00:00

Since IBoE is using Ethernet as its link layer, there is no central
management entity so there is need for QP0.  QP1 is still needed since
it handles communications between CM agents.  This patch will skip QP0
and create only QP1 for IBoE ports.

Signed-off-by: Eli Cohen 
Signed-off-by: Roland Dreier

IB/mad: agent_send_response() should be void

2007-08-03T17:45:17+00:00

Nothing looks at the return value of agent_send_response(), so there's
no point in returning anything.

Signed-off-by: Hal Rosenstock 
Signed-off-by: Roland Dreier

IB/mad: Enhance SMI for switch support

2007-07-09T23:17:32+00:00

Extend the SMI with switch (intermediate hop) support. Care has been
taken to ensure that the CA (and router) code paths are changed as
little as possible.

Signed-off-by: Suresh Shelvapille 
Signed-off-by: Hal Rosenstock 
Signed-off-by: Roland Dreier

IB/mad: Simplify SMI by eliminating smi_check_local_dr_smp()

2006-03-20T18:08:11+00:00

The call to ib_get_agent_port() shouldn't be possible to fail when
smi_check_local_dr_smp() is called from ib_mad_recv_done_handler().
When it is called from handle_outgoing_dr_smp(), the device and
port_num come from mad_agent_priv so I assume the call to
ib_get_agent_port() shouldn't fail either.  In either case,
smi_check_local_smp() only uses the mad_agent pointer to check that
mad_agent->device->process_mad is not NULL.  The device pointer would
have to be the same as the one passed to smi_check_local_dr_smp()
since that pointer is used later instead of the one checked in
smi_check_local_smp().

Signed-off-by: Hal Rosenstock 
Signed-off-by: Roland Dreier

IB/mad: Remove redundant check from smi_check_local_dr_smp()

2006-03-20T18:08:11+00:00

smi_check_local_dr_smp() is called only from two places in core/mad.c
It returns 0 or 1.  In smi_check_local_dr_smp(), it checks for
a directed route SMP but this function is only called when the SMP
is a directed route so this is a NOP.

Signed-off-by: Hal Rosenstock 
Signed-off-by: Roland Dreier

[PATCH] fix remaining missing includes

2005-11-07T15:53:41+00:00

Fix more include file problems that surfaced since I submitted the previous
fix-missing-includes.patch.  This should now allow not to include sched.h
from module.h, which is done by a followup patch.

Signed-off-by: Tim Schmielau 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

[IB] kzalloc() conversions

2005-11-02T15:23:14+00:00

Replace kmalloc()+memset(,0,) with kzalloc(), for a net savings of 35
source lines and about 500 bytes of text.

Signed-off-by: Roland Dreier

[IB] Fix MAD layer DMA mappings to avoid touching data buffer once mapped

2005-10-25T17:51:39+00:00

The MAD layer was violating the DMA API by touching data buffers used
for sends after the DMA mapping was done.  This causes problems on
non-cache-coherent architectures, because the device doing DMA won't
see updates to the payload buffers that exist only in the CPU cache.

Fix this by having all MAD consumers use ib_create_send_mad() to
allocate their send buffers, and moving the DMA mapping into the MAD
layer so it can be done just before calling send (and after any
modifications of the send buffer by the MAD layer).

Tested on a non-cache-coherent PowerPC 440SPe system.

Signed-off-by: Sean Hefty 
Signed-off-by: Roland Dreier

[PATCH] IB: move include files to include/rdma

2005-08-27T03:37:38+00:00

Move the InfiniBand headers from drivers/infiniband/include to include/rdma.
This allows InfiniBand-using code to live elsewhere, and lets us remove the
ugly EXTRA_CFLAGS include path from the InfiniBand Makefiles.

Signed-off-by: Roland Dreier