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From: Shahaf Shuler <shahafs@mellanox.com>
To: wenzhuo.lu@intel.com, jingjing.wu@intel.com, bernard.iremonger@intel.com
Cc: dev@dpdk.org, rasland@mellanox.com, thomas@monjalon.net,
 ferruh.yigit@intel.com, stable@dpdk.org
Date: Thu,  4 Apr 2019 22:34:58 +0300
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 <12ce667683e47d94bb0debea9af481b87a3fba6f.1554406293.git.shahafs@mellanox.com>
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Subject: [dpdk-dev] [PATCH v3 1/3] app/testpmd: fix mempool free on exit
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Message-ID: <20190404193458.aAUFUtwVIpLIlpOGqCJgENOBUKMiypxl9tY56vab28c@z>

Allocated mempools were never free. it is bad practice.

Fixes: af75078fece3 ("first public release")
Cc: stable@dpdk.org

Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
---
 app/test-pmd/testpmd.c | 25 +++++++++++++++++++------
 app/test-pmd/testpmd.h |  2 ++
 2 files changed, 21 insertions(+), 6 deletions(-)

diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index 40c873b972..5c68eb9ec6 100644
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -188,6 +188,8 @@ struct fwd_engine * fwd_engines[] = {
 	NULL,
 };
 
+struct rte_mempool *mempools[RTE_MAX_NUMA_NODES];
+
 struct fwd_config cur_fwd_config;
 struct fwd_engine *cur_fwd_eng = &io_fwd_engine; /**< IO mode by default. */
 uint32_t retry_enabled;
@@ -835,7 +837,7 @@ setup_extmem(uint32_t nb_mbufs, uint32_t mbuf_sz, bool huge)
 /*
  * Configuration initialisation done once at init time.
  */
-static void
+static struct rte_mempool *
 mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
 		 unsigned int socket_id)
 {
@@ -904,6 +906,7 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
 			rte_exit(EXIT_FAILURE, "Invalid mempool creation mode\n");
 		}
 	}
+	return rte_mp;
 
 err:
 	if (rte_mp == NULL) {
@@ -913,6 +916,7 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
 	} else if (verbose_level > 0) {
 		rte_mempool_dump(stdout, rte_mp);
 	}
+	return NULL;
 }
 
 /*
@@ -1130,14 +1134,18 @@ init_config(void)
 		uint8_t i;
 
 		for (i = 0; i < num_sockets; i++)
-			mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool,
-					 socket_ids[i]);
+			mempools[i] = mbuf_pool_create(mbuf_data_size,
+						       nb_mbuf_per_pool,
+						       socket_ids[i]);
 	} else {
 		if (socket_num == UMA_NO_CONFIG)
-			mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0);
+			mempools[0] = mbuf_pool_create(mbuf_data_size,
+						       nb_mbuf_per_pool, 0);
 		else
-			mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool,
-						 socket_num);
+			mempools[socket_num] = mbuf_pool_create
+							(mbuf_data_size,
+							 nb_mbuf_per_pool,
+							 socket_num);
 	}
 
 	init_port_config();
@@ -2396,6 +2404,7 @@ pmd_test_exit(void)
 	struct rte_device *device;
 	portid_t pt_id;
 	int ret;
+	int i;
 
 	if (test_done == 0)
 		stop_packet_forwarding();
@@ -2449,6 +2458,10 @@ pmd_test_exit(void)
 			return;
 		}
 	}
+	for (i = 0 ; i < RTE_MAX_NUMA_NODES ; i++) {
+		if (mempools[i])
+			rte_mempool_free(mempools[i]);
+	}
 
 	printf("\nBye...\n");
 }
diff --git a/app/test-pmd/testpmd.h b/app/test-pmd/testpmd.h
index a45988ebc5..84ce8ffa2f 100644
--- a/app/test-pmd/testpmd.h
+++ b/app/test-pmd/testpmd.h
@@ -264,6 +264,8 @@ extern struct fwd_engine ieee1588_fwd_engine;
 
 extern struct fwd_engine * fwd_engines[]; /**< NULL terminated array. */
 
+extern struct rte_mempool *mempools[RTE_MAX_NUMA_NODES];
+
 /**
  * Forwarding Configuration
  *
-- 
2.12.0