Calculate the number of sessions required for the application,
knowing that there is only one session required per device.

Signed-off-by: Pablo de Lara <pablo.de.lara.gua...@intel.com>
---
 examples/l2fwd-crypto/main.c | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/examples/l2fwd-crypto/main.c b/examples/l2fwd-crypto/main.c
index 4bca87b19..e8384b0c1 100644
--- a/examples/l2fwd-crypto/main.c
+++ b/examples/l2fwd-crypto/main.c
@@ -42,6 +42,9 @@
 #include <rte_prefetch.h>
 #include <rte_random.h>
 #include <rte_hexdump.h>
+#ifdef RTE_LIBRTE_PMD_CRYPTO_SCHEDULER
+#include <rte_cryptodev_scheduler.h>
+#endif
 
 enum cdev_type {
        CDEV_TYPE_ANY,
@@ -59,7 +62,6 @@ enum cdev_type {
 #define MAX_AAD_SIZE 65535
 #define MAX_PKT_BURST 32
 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
-#define MAX_SESSIONS 32
 #define SESSION_POOL_CACHE_SIZE 0
 
 #define MAXIMUM_IV_LENGTH      16
@@ -2010,6 +2012,19 @@ initialize_cryptodevs(struct l2fwd_crypto_options 
*options, unsigned nb_ports,
 
                rte_cryptodev_info_get(cdev_id, &dev_info);
 
+               /* Two sessions objects are required for each session
+                * (one for the header, one for the private data)
+                */
+               uint32_t sessions_needed = 2 * enabled_cdev_count;
+#ifdef RTE_LIBRTE_PMD_CRYPTO_SCHEDULER
+               if (!strcmp(dev_info.driver_name, "crypto_scheduler")) {
+                       uint32_t nb_slaves =
+                               rte_cryptodev_scheduler_slaves_get(cdev_id,
+                                                               NULL);
+
+                       sessions_needed = 2 * enabled_cdev_count * nb_slaves;
+               }
+#endif
                if (session_pool_socket[socket_id] == NULL) {
                        char mp_name[RTE_MEMPOOL_NAMESIZE];
                        struct rte_mempool *sess_mp;
@@ -2022,7 +2037,7 @@ initialize_cryptodevs(struct l2fwd_crypto_options 
*options, unsigned nb_ports,
                         * device private data
                         */
                        sess_mp = rte_mempool_create(mp_name,
-                                               MAX_SESSIONS * 2,
+                                               sessions_needed,
                                                max_sess_sz,
                                                SESSION_POOL_CACHE_SIZE,
                                                0, NULL, NULL, NULL,
-- 
2.14.4

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