[dpdk-dev] [PATCH] raw/ioat: enable xstats reset for ioat device

[Ciara Power]

The rawdev xstats_reset function is now enabled.  It is called when the
ioat autotest completes, to reset all xstat values after they have been
modified during testing.

Signed-off-by: Ciara Power <ciara.po...@intel.com>
---
 drivers/raw/ioat/ioat_rawdev.c      | 38 +++++++++++++++++++++++++++++
 drivers/raw/ioat/ioat_rawdev_test.c |  6 +++++
 2 files changed, 44 insertions(+)

diff --git a/drivers/raw/ioat/ioat_rawdev.c b/drivers/raw/ioat/ioat_rawdev.c
index 7270ad7aa..af8414b34 100644
--- a/drivers/raw/ioat/ioat_rawdev.c
+++ b/drivers/raw/ioat/ioat_rawdev.c
@@ -161,6 +161,43 @@ ioat_xstats_get_names(const struct rte_rawdev *dev,
        return RTE_DIM(xstat_names);
 }
 
+static int
+ioat_xstats_reset(struct rte_rawdev *dev, const uint32_t *ids, uint32_t nb_ids)
+{
+       struct rte_ioat_rawdev *ioat = dev->dev_private;
+       unsigned int i;
+
+       if (!ids) {
+               ioat->enqueue_failed = 0;
+               ioat->enqueued = 0;
+               ioat->started = 0;
+               ioat->completed = 0;
+               return 0;
+       }
+
+       for (i = 0; i < nb_ids; i++) {
+               switch (ids[i]) {
+               case 0:
+                       ioat->enqueue_failed = 0;
+                       break;
+               case 1:
+                       ioat->enqueued = 0;
+                       break;
+               case 2:
+                       ioat->started = 0;
+                       break;
+               case 3:
+                       ioat->completed = 0;
+                       break;
+               default:
+                       IOAT_PMD_WARN("Invalid xstat id - cannot reset value");
+                       break;
+               }
+       }
+
+       return 0;
+}
+
 extern int ioat_rawdev_test(uint16_t dev_id);
 
 static int
@@ -173,6 +210,7 @@ ioat_rawdev_create(const char *name, struct rte_pci_device 
*dev)
                        .dev_info_get = ioat_dev_info_get,
                        .xstats_get = ioat_xstats_get,
                        .xstats_get_names = ioat_xstats_get_names,
+                       .xstats_reset = ioat_xstats_reset,
                        .dev_selftest = ioat_rawdev_test,
        };
 
diff --git a/drivers/raw/ioat/ioat_rawdev_test.c 
b/drivers/raw/ioat/ioat_rawdev_test.c
index f6c7dbb80..61d4bd066 100644
--- a/drivers/raw/ioat/ioat_rawdev_test.c
+++ b/drivers/raw/ioat/ioat_rawdev_test.c
@@ -220,6 +220,11 @@ ioat_rawdev_test(uint16_t dev_id)
        }
        printf("\n");
 
+       if (rte_rawdev_xstats_reset(dev_id, NULL, 0) != 0) {
+               printf("Error resetting xstat values\n");
+               goto err;
+       }
+
        rte_mempool_free(pool);
        free(snames);
        free(stats);
@@ -227,6 +232,7 @@ ioat_rawdev_test(uint16_t dev_id)
        return 0;
 
 err:
+       rte_rawdev_xstats_reset(dev_id, NULL, 0);
        rte_mempool_free(pool);
        free(snames);
        free(stats);
-- 
2.17.1