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IB/rxe: Add port protocol stats

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Expose new counters using the get_hw_stats callback.
We expose the following counters:

+---------------------+----------------------------------------+
|      Name           |           Description                  |
|---------------------+----------------------------------------|
|sent_pkts            | number of sent pkts                    |
|---------------------+----------------------------------------|
|rcvd_pkts            | number of received packets             |
|---------------------+----------------------------------------|
|out_of_sequence      | number of errors due to packet         |
|                     | transport sequence number              |
|---------------------+----------------------------------------|
|duplicate_request    | number of received duplicated packets. |
|                     | A request that previously executed is  |
|                     | named duplicated.                      |
|---------------------+----------------------------------------|
|rcvd_rnr_err         | number of received RNR by completer    |
|---------------------+----------------------------------------|
|send_rnr_err         | number of sent RNR by responder        |
|---------------------+----------------------------------------|
|rcvd_seq_err         | number of out of sequence packets      |
|                     | received                               |
|---------------------+----------------------------------------|
|ack_deffered         | number of deferred handling of ack     |
|                     | packets.                               |
|---------------------+----------------------------------------|
|retry_exceeded_err   | number of times retry exceeded         |
|---------------------+----------------------------------------|
|completer_retry_err  | number of times completer decided to   |
|                     | retry                                  |
|---------------------+----------------------------------------|
|send_err             | number of failed send packet           |
+---------------------+----------------------------------------+

Signed-off-by: Yonatan Cohen <yonatanc@mellanox.com>
Reviewed-by: Moni Shoua <monis@mellanox.com>
Reviewed-by: Andrew Boyer <andrew.boyer@dell.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Yonatan Cohen
2017-03-10 18:23:56 +02:00
committed by Doug Ledford
parent 339e7575ad
commit 0b1e5b99a4
9 changed files with 174 additions and 2 deletions
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8
drivers/infiniband/sw/rxe/rxe_verbs.h
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@@ -38,6 +38,7 @@
#include <rdma/rdma_user_rxe.h>
#include "rxe_pool.h"
#include "rxe_task.h"
#include "rxe_hw_counters.h"
static inline int pkey_match(u16 key1, u16 key2)
{
@@ -401,10 +402,17 @@ struct rxe_dev {
spinlock_t mmap_offset_lock; /* guard mmap_offset */
int mmap_offset;
u64 stats_counters[RXE_NUM_OF_COUNTERS];
struct rxe_port port;
struct list_head list;
};
static inline void rxe_counter_inc(struct rxe_dev *rxe, enum rxe_counters cnt)
{
rxe->stats_counters[cnt]++;
}
static inline struct rxe_dev *to_rdev(struct ib_device *dev)
{
return dev ? container_of(dev, struct rxe_dev, ib_dev) : NULL;