From: Lazaros Koromilas <redacted>

The mempool cache is only available to EAL threads as a per-lcore
resource. Change this so that the user can create and provide their own
cache on mempool get and put operations. This works with non-EAL threads
too. This commit introduces the new API calls:

    rte_mempool_cache_create(size, socket_id)
    rte_mempool_cache_free(cache)
    rte_mempool_cache_flush(cache, mp)
    rte_mempool_default_cache(mp, lcore_id)

Changes the API calls:

    rte_mempool_generic_put(mp, obj_table, n, cache, flags)
    rte_mempool_generic_get(mp, obj_table, n, cache, flags)

The cache-oblivious API calls use the per-lcore default local cache.

Signed-off-by: Lazaros Koromilas <redacted>
Acked-by: Olivier Matz <redacted>
---
 app/test/test_mempool.c                    |  75 +++++++++----
 app/test/test_mempool_perf.c               |  70 ++++++++++---
 lib/librte_mempool/rte_mempool.c           |  66 +++++++++++-
 lib/librte_mempool/rte_mempool.h           | 163 +++++++++++++++++++++--------
 lib/librte_mempool/rte_mempool_version.map |   4 +
 5 files changed, 296 insertions(+), 82 deletions(-)

diff --git a/app/test/test_mempool.c b/app/test/test_mempool.c
index 55c2cbc..5b3c754 100644
--- a/app/test/test_mempool.c
+++ b/app/test/test_mempool.c

@@ -75,10 +75,18 @@
 #define MAX_KEEP 16
 #define MEMPOOL_SIZE ((rte_lcore_count()*(MAX_KEEP+RTE_MEMPOOL_CACHE_MAX_SIZE))-1)

-#define RET_ERR() do {                                                 \
+#define LOG_ERR() do {                                                 \
                printf("test failed at %s():%d\n", __func__, __LINE__); \
+       } while (0)
+#define RET_ERR() do {                                                 \
+               LOG_ERR();                                              \
                return -1;                                              \
        } while (0)
+#define GOTO_ERR(err, label) do {                                      \
+               LOG_ERR();                                              \
+               ret = err;                                              \
+               goto label;                                             \
+       } while (0)