net/nfp: fix unused header reference

[dpdk.git] / drivers / mempool / dpaa / dpaa_mempool.c

diff --git a/drivers/mempool/dpaa/dpaa_mempool.c b/drivers/mempool/dpaa/dpaa_mempool.c
index 580e464..10c536b 100644 (file)
--- a/drivers/mempool/dpaa/dpaa_mempool.c
+++ b/drivers/mempool/dpaa/dpaa_mempool.c
@@ -27,6 +27,13 @@
 
 #include <dpaa_mempool.h>
 
+/* List of all the memseg information locally maintained in dpaa driver. This
+ * is to optimize the PA_to_VA searches until a better mechanism (algo) is
+ * available.
+ */
+struct dpaa_memseg_list rte_dpaa_memsegs
+       = TAILQ_HEAD_INITIALIZER(rte_dpaa_memsegs);
+
 struct dpaa_bp_info rte_dpaa_bpid_info[DPAA_MAX_BPOOLS];
 
 static int
@@ -287,10 +294,34 @@ dpaa_populate(struct rte_mempool *mp, unsigned int max_objs,
        /* Detect pool area has sufficient space for elements in this memzone */
        if (len >= total_elt_sz * mp->size)
                bp_info->flags |= DPAA_MPOOL_SINGLE_SEGMENT;
+       struct dpaa_memseg *ms;
+
+       /* For each memory chunk pinned to the Mempool, a linked list of the
+        * contained memsegs is created for searching when PA to VA
+        * conversion is required.
+        */
+       ms = rte_zmalloc(NULL, sizeof(struct dpaa_memseg), 0);
+       if (!ms) {
+               DPAA_MEMPOOL_ERR("Unable to allocate internal memory.");
+               DPAA_MEMPOOL_WARN("Fast Physical to Virtual Addr translation would not be available.");
+               /* If the element is not added, it would only lead to failure
+                * in searching for the element and the logic would Fallback
+                * to traditional DPDK memseg traversal code. So, this is not
+                * a blocking error - but, error would be printed on screen.
+                */
+               return 0;
+       }
+
+       ms->vaddr = vaddr;
+       ms->iova = paddr;
+       ms->len = len;
+       /* Head insertions are generally faster than tail insertions as the
+        * buffers pinned are picked from rear end.
+        */
+       TAILQ_INSERT_HEAD(&rte_dpaa_memsegs, ms, next);
 
        return rte_mempool_op_populate_default(mp, max_objs, vaddr, paddr, len,
                                               obj_cb, obj_cb_arg);
-
 }
 
 struct rte_mempool_ops dpaa_mpool_ops = {