[lng-odp] [PATCH 2/2] linux-gen: dpdk: free used mempool when closing pktio device

[Matias Elo]

DPDK 16.07 finally supports freeing memory pools.

Signed-off-by: Matias Elo <matias....@nokia.com>
---
 platform/linux-generic/pktio/dpdk.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/platform/linux-generic/pktio/dpdk.c 
b/platform/linux-generic/pktio/dpdk.c
index bf8b499..b45c9a8 100644
--- a/platform/linux-generic/pktio/dpdk.c
+++ b/platform/linux-generic/pktio/dpdk.c
@@ -390,6 +390,8 @@ static int dpdk_close(pktio_entry_t *pktio_entry)
        if (pktio_entry->s.state != PKTIO_STATE_OPENED)
                rte_eth_dev_close(pkt_dpdk->port_id);
 
+       rte_mempool_free(pkt_dpdk->pkt_pool);
+
        return 0;
 }
 
@@ -650,14 +652,9 @@ static int dpdk_open(odp_pktio_t id ODP_UNUSED,
        else
                pkt_dpdk->min_rx_burst = 0;
 
-       /* Look for previously opened packet pool */
-       pkt_pool = rte_mempool_lookup(pkt_dpdk->pool_name);
-       if (pkt_pool == NULL)
-               pkt_pool = rte_pktmbuf_pool_create(pkt_dpdk->pool_name,
-                                                  DPDK_NB_MBUF,
-                                                  DPDK_MEMPOOL_CACHE_SIZE, 0,
-                                                  DPDK_MBUF_BUF_SIZE,
-                                                  rte_socket_id());
+       pkt_pool = rte_pktmbuf_pool_create(pkt_dpdk->pool_name, DPDK_NB_MBUF,
+                                          DPDK_MEMPOOL_CACHE_SIZE, 0,
+                                          DPDK_MBUF_BUF_SIZE, rte_socket_id());
        if (pkt_pool == NULL) {
                ODP_ERR("Cannot init mbuf packet pool\n");
                return -1;
-- 
2.7.4