[dpdk-stable] [PATCH] examples/ntb: fix mempool ops setting issue
Xiaoyun Li
xiaoyun.li at intel.com
Wed Dec 25 10:09:42 CET 2019
Mempool ops may register in different order when compiling. The default
ops index is always zero but the wanted ops is ring_mp_mc. This patch
sets best mempool ops before generating mbuf pool to fix this issue.
Fixes: 5194299d6ef5 ("examples/ntb: support more functions")
Cc: stable at dpdk.org
Signed-off-by: Xiaoyun Li <xiaoyun.li at intel.com>
---
examples/ntb/ntb_fwd.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/examples/ntb/ntb_fwd.c b/examples/ntb/ntb_fwd.c
index c914256dd..17eedcf0b 100644
--- a/examples/ntb/ntb_fwd.c
+++ b/examples/ntb/ntb_fwd.c
@@ -19,6 +19,7 @@
#include <rte_lcore.h>
#include <rte_cycles.h>
#include <rte_pmd_ntb.h>
+#include <rte_mbuf_pool_ops.h>
/* Per-port statistics struct */
struct ntb_port_statistics {
@@ -1256,6 +1257,11 @@ ntb_mbuf_pool_create(uint16_t mbuf_seg_size, uint32_t nb_mbuf,
if (mp == NULL)
return NULL;
+ if (rte_mempool_set_ops_byname(mp, rte_mbuf_best_mempool_ops(), NULL)) {
+ printf("error setting mempool handler\n");
+ goto fail;
+ }
+
memset(&mbp_priv, 0, sizeof(mbp_priv));
mbp_priv.mbuf_data_room_size = mbuf_seg_size;
mbp_priv.mbuf_priv_size = 0;
--
2.17.1
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