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authorSachin Saxena <sachin.saxena@nxp.com>2018-05-28 14:45:34 +0530
committerDamjan Marion <dmarion.lists@gmail.com>2018-05-29 14:44:21 +0000
commit0a77040fa0f588f3c2d539aa1d3c500731520676 (patch)
tree4771c1869cfb366c9383223300b6b8375204e9e4 /src/plugins
parentf706b8d79a6ef594057f27c9066bd5beb72c36b4 (diff)
dpdk: mempool priv intialization must be done before releasing buffers to pool
- Currently mempool priv size is getting initialized after releasing buffers to pool. This is causing mismatch in expected & real metadata size value and buffers are getting released with wrong offset. (when metadata offset is in use for a given platform) - Since private data size is 0 initially, metadata size don't include space for VLIB_BUFFER_HDR. Change-Id: I780c4d518104631a3dcf192185bacf58b3598e65 Signed-off-by: Sachin Saxena <sachin.saxena@nxp.com>
Diffstat (limited to 'src/plugins')
-rw-r--r--src/plugins/dpdk/buffer.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/src/plugins/dpdk/buffer.c b/src/plugins/dpdk/buffer.c
index 59015ff7d3d..452c47931ca 100644
--- a/src/plugins/dpdk/buffer.c
+++ b/src/plugins/dpdk/buffer.c
@@ -488,6 +488,7 @@ dpdk_pool_create (vlib_main_t * vm, u8 * pool_name, u32 elt_size,
dpdk_buffer_main_t *dbm = &dpdk_buffer_main;
struct rte_mempool *mp;
vlib_physmem_region_t *pr;
+ dpdk_mempool_private_t priv;
clib_error_t *error = 0;
u32 size, obj_size;
i32 ret;
@@ -512,6 +513,12 @@ dpdk_pool_create (vlib_main_t * vm, u8 * pool_name, u32 elt_size,
rte_mempool_set_ops_byname (mp, RTE_MBUF_DEFAULT_MEMPOOL_OPS, NULL);
+ /* Call the mempool priv initializer */
+ priv.mbp_priv.mbuf_data_room_size = VLIB_BUFFER_PRE_DATA_SIZE +
+ VLIB_BUFFER_DATA_SIZE;
+ priv.mbp_priv.mbuf_priv_size = VLIB_BUFFER_HDR_SIZE;
+ rte_pktmbuf_pool_init (mp, &priv);
+
ret =
rte_mempool_populate_iova_tab (mp, pr->mem, pr->page_table, pr->n_pages,
pr->log2_page_size, NULL, NULL);
@@ -562,7 +569,6 @@ dpdk_buffer_pool_create (vlib_main_t * vm, unsigned num_mbufs,
{
dpdk_main_t *dm = &dpdk_main;
struct rte_mempool *rmp;
- dpdk_mempool_private_t priv;
vlib_physmem_region_index_t pri;
clib_error_t *error = 0;
u8 *pool_name;
@@ -589,13 +595,6 @@ dpdk_buffer_pool_create (vlib_main_t * vm, unsigned num_mbufs,
if (!error)
{
- priv.mbp_priv.mbuf_data_room_size = VLIB_BUFFER_PRE_DATA_SIZE +
- VLIB_BUFFER_DATA_SIZE;
- priv.mbp_priv.mbuf_priv_size = VLIB_BUFFER_HDR_SIZE;
-
- /* call the mempool priv initializer */
- rte_pktmbuf_pool_init (rmp, &priv);
-
/* call the object initializers */
rte_mempool_obj_iter (rmp, rte_pktmbuf_init, 0);