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3f85f2aaab
linux/drivers/infiniband/hw/mlx4
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Mark Bloch 3f85f2aaab IB/mlx4: Add diagnostic hardware counters 
Expose IB diagnostic hardware counters.
The counters count IB events and are applicable for IB and RoCE.

The counters can be divided into two groups, per device and per port.
Device counters are always exposed.
Port counters are exposed only if the firmware supports per port counters.

rq_num_dup and sq_num_to are only exposed if we have firmware support
for them, if we do, we expose them per device and per port.
rq_num_udsdprd and num_cqovf are device only counters.

rq - denotes responder.
sq - denotes requester.

|-----------------------|---------------------------------------|
|	Name		|	Description			|
|-----------------------|---------------------------------------|
|rq_num_lle		| Number of local length errors		|
|-----------------------|---------------------------------------|
|sq_num_lle		| number of local length errors		|
|-----------------------|---------------------------------------|
|rq_num_lqpoe		| Number of local QP operation errors	|
|-----------------------|---------------------------------------|
|sq_num_lqpoe		| Number of local QP operation errors	|
|-----------------------|---------------------------------------|
|rq_num_lpe		| Number of local protection errors	|
|-----------------------|---------------------------------------|
|sq_num_lpe		| Number of local protection errors	|
|-----------------------|---------------------------------------|
|rq_num_wrfe		| Number of CQEs with error		|
|-----------------------|---------------------------------------|
|sq_num_wrfe		| Number of CQEs with error		|
|-----------------------|---------------------------------------|
|sq_num_mwbe		| Number of Memory Window bind errors	|
|-----------------------|---------------------------------------|
|sq_num_bre		| Number of bad response errors		|
|-----------------------|---------------------------------------|
|sq_num_rire		| Number of Remote Invalid request	|
|			| errors				|
|-----------------------|---------------------------------------|
|rq_num_rire		| Number of Remote Invalid request	|
|			| errors				|
|-----------------------|---------------------------------------|
|sq_num_rae		| Number of remote access errors	|
|-----------------------|---------------------------------------|
|rq_num_rae		| Number of remote access errors	|
|-----------------------|---------------------------------------|
|sq_num_roe		| Number of remote operation errors	|
|-----------------------|---------------------------------------|
|sq_num_tree		| Number of transport retries exceeded	|
|			| errors				|
|-----------------------|---------------------------------------|
|sq_num_rree		| Number of RNR NAK retries exceeded	|
|			| errors				|
|-----------------------|---------------------------------------|
|rq_num_rnr		| Number of RNR NAKs sent		|
|-----------------------|---------------------------------------|
|sq_num_rnr		| Number of RNR NAKs received		|
|-----------------------|---------------------------------------|
|rq_num_oos		| Number of Out of Sequence requests	|
|			| received				|
|-----------------------|---------------------------------------|
|sq_num_oos		| Number of Out of Sequence NAKs	|
|			| received				|
|-----------------------|---------------------------------------|
|rq_num_udsdprd		| Number of UD packets silently		|
|			| discarded on the Receive Queue due to	|
|			| lack of receive descriptor		|
|-----------------------|---------------------------------------|
|rq_num_dup		| Number of duplicate requests received	|
|-----------------------|---------------------------------------|
|sq_num_to		| Number of time out received		|
|-----------------------|---------------------------------------|
|num_cqovf		| Number of CQ overflows		|
|-----------------------|---------------------------------------|

Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-08-03 21:03:34 -04:00
..
ah.c infiniband: Replace memset with eth_zero_addr 2016-01-19 15:24:54 -05:00
alias_GUID.c IB/mlx4: Use boottime 2016-02-29 17:11:40 -05:00
cm.c IB/mlx4: In mlx4_ib_demux_cm, print out GUID in host-endian order 2015-02-17 22:11:40 -08:00
cq.c IB/mlx4: Don't use GFP_ATOMIC for CQ resize struct 2016-08-03 21:03:32 -04:00
doorbell.c IB: Refactor umem to use linear SG table 2014-03-04 10:34:28 -08:00
Kconfig net: mellanox: add DEVLINK dependencies 2016-03-03 17:08:59 -05:00
mad.c IB/mlx4: Add support for the port info class for RoCE ports 2016-02-17 10:07:20 -05:00
main.c IB/mlx4: Add diagnostic hardware counters 2016-08-03 21:03:34 -04:00
Makefile IB/mlx4: Add iov directory in sysfs under the ib device 2012-09-30 20:33:39 -07:00
mcg.c IB/mlx4: Fix unaligned access in send_reply_to_slave 2016-05-18 10:25:56 -04:00
mlx4_ib.h IB/mlx4: Add diagnostic hardware counters 2016-08-03 21:03:34 -04:00
mr.c IB/core: Enhance ib_map_mr_sg() 2016-05-13 13:37:57 -04:00
qp.c net/mlx4: Avoid wrong virtual mappings 2016-05-05 23:23:05 -04:00
srq.c Initial roundup of 4.5 merge window patches 2016-01-23 18:45:06 -08:00
sysfs.c IB/mlx4: Forbid using sysfs to change RoCE pkeys 2015-08-30 18:12:22 -04:00
user.h mlx4: 64-byte CQE/EQE support 2012-11-26 10:19:17 -08:00