dpdk: populate mempool mem_list

Mellanox driver needs it

Change-Id: I28423805f977089d18d32e85cf08e9e7e1fcf5b2
Signed-off-by: Damjan Marion <damarion@cisco.com>

diff --git a/src/plugins/dpdk/buffer.c b/src/plugins/dpdk/buffer.c
index 4c82dfc..7f6c118 100644 (file)
--- a/src/plugins/dpdk/buffer.c
+++ b/src/plugins/dpdk/buffer.c
@@ -117,6 +117,7 @@ dpdk_buffer_pool_init (vlib_main_t * vm, vlib_buffer_pool_t * bp)
       uword i;
       size_t page_sz;
       vlib_physmem_map_t *pm;
+      int do_vfio_map = 1;
 
       pm = vlib_physmem_get_map (vm, bp->physmem_map_index);
       page_sz = 1ULL << pm->log2_page_size;
@@ -127,8 +128,21 @@ dpdk_buffer_pool_init (vlib_main_t * vm, vlib_buffer_pool_t * bp)
          uword pa = (iova_mode == RTE_IOVA_VA) ?
            pointer_to_uword (va) : pm->page_table[i];
 
-         if (rte_vfio_dma_map (pointer_to_uword (va), pa, page_sz))
-           break;
+         if (do_vfio_map &&
+             rte_vfio_dma_map (pointer_to_uword (va), pa, page_sz))
+           do_vfio_map = 0;
+
+         struct rte_mempool_memhdr *memhdr;
+         memhdr = clib_mem_alloc (sizeof (*memhdr));
+         memhdr->mp = mp;
+         memhdr->addr = va;
+         memhdr->iova = pa;
+         memhdr->len = page_sz;
+         memhdr->free_cb = 0;
+         memhdr->opaque = 0;
+
+         STAILQ_INSERT_TAIL (&mp->mem_list, memhdr, next);
+         mp->nb_mem_chunks++;
        }
     }