[dpdk-dev] [PATCH] examples/ipsec-secgw: fix session mempool initialisation
Vladimir Medvedkin
vladimir.medvedkin at intel.com
Tue Oct 27 15:03:40 CET 2020
Creation of a session mempool may fail in the case of a single lcore
and a low number of SA.
Fixes: e30b2833c47c ("security: update session create API")
Cc: akhil.goyal at nxp.com
Signed-off-by: Vladimir Medvedkin <vladimir.medvedkin at intel.com>
---
examples/ipsec-secgw/ipsec-secgw.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/examples/ipsec-secgw/ipsec-secgw.c b/examples/ipsec-secgw/ipsec-secgw.c
index 2219148..935829e 100644
--- a/examples/ipsec-secgw/ipsec-secgw.c
+++ b/examples/ipsec-secgw/ipsec-secgw.c
@@ -65,6 +65,7 @@ volatile bool force_quit;
#define CDEV_QUEUE_DESC 2048
#define CDEV_MAP_ENTRIES 16384
#define CDEV_MP_CACHE_SZ 64
+#define CDEV_MP_CACHE_MULTIPLIER 1.5 /* from rte_mempool.c */
#define MAX_QUEUE_PAIRS 1
#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
@@ -2350,6 +2351,8 @@ session_pool_init(struct socket_ctx *ctx, int32_t socket_id, size_t sess_sz)
"sess_mp_%u", socket_id);
nb_sess = (get_nb_crypto_sessions() + CDEV_MP_CACHE_SZ *
rte_lcore_count());
+ nb_sess = RTE_MAX(nb_sess, CDEV_MP_CACHE_SZ *
+ CDEV_MP_CACHE_MULTIPLIER);
sess_mp = rte_cryptodev_sym_session_pool_create(
mp_name, nb_sess, sess_sz, CDEV_MP_CACHE_SZ, 0,
socket_id);
@@ -2374,6 +2377,8 @@ session_priv_pool_init(struct socket_ctx *ctx, int32_t socket_id,
"sess_mp_priv_%u", socket_id);
nb_sess = (get_nb_crypto_sessions() + CDEV_MP_CACHE_SZ *
rte_lcore_count());
+ nb_sess = RTE_MAX(nb_sess, CDEV_MP_CACHE_SZ *
+ CDEV_MP_CACHE_MULTIPLIER);
sess_mp = rte_mempool_create(mp_name,
nb_sess,
sess_sz,
--
2.7.4
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