+#if CLI_DEBUG
+struct dpdk_validate_buf_result
+{
+ u32 invalid;
+ u32 uninitialized;
+};
+
+#define DPDK_TRAJECTORY_POISON 31
+
+static void
+dpdk_buffer_validate_trajectory (struct rte_mempool *mp, void *opaque,
+ void *obj, unsigned obj_idx)
+{
+ vlib_buffer_t *b;
+ struct dpdk_validate_buf_result *counter = opaque;
+ b = vlib_buffer_from_rte_mbuf ((struct rte_mbuf *) obj);
+ if (b->pre_data[0] != 0)
+ {
+ if (b->pre_data[0] == DPDK_TRAJECTORY_POISON)
+ counter->uninitialized++;
+ else
+ counter->invalid++;
+ }
+}
+
+int
+dpdk_buffer_validate_trajectory_all (u32 * uninitialized)
+{
+ dpdk_main_t *dm = &dpdk_main;
+ struct dpdk_validate_buf_result counter = { 0 };
+ int i;
+
+ for (i = 0; i < vec_len (dm->pktmbuf_pools); i++)
+ rte_mempool_obj_iter (dm->pktmbuf_pools[i],
+ dpdk_buffer_validate_trajectory, &counter);
+ if (uninitialized)
+ *uninitialized = counter.uninitialized;
+ return counter.invalid;
+}
+
+static void
+dpdk_buffer_poison_trajectory (struct rte_mempool *mp, void *opaque,
+ void *obj, unsigned obj_idx)
+{
+ vlib_buffer_t *b;
+ b = vlib_buffer_from_rte_mbuf ((struct rte_mbuf *) obj);
+ b->pre_data[0] = DPDK_TRAJECTORY_POISON;
+}
+
+void
+dpdk_buffer_poison_trajectory_all (void)
+{
+ dpdk_main_t *dm = &dpdk_main;
+ int i;
+
+ for (i = 0; i < vec_len (dm->pktmbuf_pools); i++)
+ rte_mempool_obj_iter (dm->pktmbuf_pools[i], dpdk_buffer_poison_trajectory,
+ 0);
+}
+#endif
+
+static clib_error_t *
+dpdk_buffer_init (vlib_main_t * vm)
+{
+ dpdk_buffer_main_t *dbm = &dpdk_buffer_main;
+ vlib_thread_main_t *tm = vlib_get_thread_main ();
+
+ vec_validate_aligned (dbm->ptd, tm->n_vlib_mains - 1,
+ CLIB_CACHE_LINE_BYTES);
+
+ dbm->vfio_container_fd = -1;
+
+ return 0;
+}
+
+VLIB_INIT_FUNCTION (dpdk_buffer_init);
+