X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_mempool%2Frte_mempool.c;h=ff95f4185a40ac7e6ae1c099be05ad867319414b;hb=b6197a7beb511f273aeca829c59355d993353261;hp=78d8eb941e301eb1df20375e5d65bab6954f0f13;hpb=9160d6386472b70503e504df765440ecdb604d7d;p=dpdk.git

diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
index 78d8eb941e..ff95f4185a 100644
--- a/lib/librte_mempool/rte_mempool.c
+++ b/lib/librte_mempool/rte_mempool.c
@@ -31,6 +31,7 @@
 #include <rte_string_fns.h>
 #include <rte_spinlock.h>
 #include <rte_tailq.h>
+#include <rte_function_versioning.h>
 
 #include "rte_mempool.h"
 
@@ -293,12 +294,17 @@ mempool_ops_alloc_once(struct rte_mempool *mp)
 	return 0;
 }
 
+int
+rte_mempool_populate_iova_v20_0_1(struct rte_mempool *mp, char *vaddr,
+	rte_iova_t iova, size_t len, rte_mempool_memchunk_free_cb_t *free_cb,
+	void *opaque);
+
 /* Add objects in the pool, using a physically contiguous memory
  * zone. Return the number of objects added, or a negative value
  * on error.
  */
 int
-rte_mempool_populate_iova(struct rte_mempool *mp, char *vaddr,
+rte_mempool_populate_iova_v20_0_1(struct rte_mempool *mp, char *vaddr,
 	rte_iova_t iova, size_t len, rte_mempool_memchunk_free_cb_t *free_cb,
 	void *opaque)
 {
@@ -332,7 +338,7 @@ rte_mempool_populate_iova(struct rte_mempool *mp, char *vaddr,
 		off = RTE_PTR_ALIGN_CEIL(vaddr, RTE_MEMPOOL_ALIGN) - vaddr;
 
 	if (off > len) {
-		ret = -EINVAL;
+		ret = -ENOBUFS;
 		goto fail;
 	}
 
@@ -343,7 +349,7 @@ rte_mempool_populate_iova(struct rte_mempool *mp, char *vaddr,
 
 	/* not enough room to store one object */
 	if (i == 0) {
-		ret = -EINVAL;
+		ret = -ENOBUFS;
 		goto fail;
 	}
 
@@ -355,6 +361,33 @@ fail:
 	rte_free(memhdr);
 	return ret;
 }
+BIND_DEFAULT_SYMBOL(rte_mempool_populate_iova, _v20_0_1, 20.0.1);
+MAP_STATIC_SYMBOL(
+	int rte_mempool_populate_iova(struct rte_mempool *mp, char *vaddr,
+				rte_iova_t iova, size_t len,
+				rte_mempool_memchunk_free_cb_t *free_cb,
+				void *opaque),
+	rte_mempool_populate_iova_v20_0_1);
+
+int
+rte_mempool_populate_iova_v20_0(struct rte_mempool *mp, char *vaddr,
+	rte_iova_t iova, size_t len, rte_mempool_memchunk_free_cb_t *free_cb,
+	void *opaque);
+int
+rte_mempool_populate_iova_v20_0(struct rte_mempool *mp, char *vaddr,
+	rte_iova_t iova, size_t len, rte_mempool_memchunk_free_cb_t *free_cb,
+	void *opaque)
+{
+	int ret;
+
+	ret = rte_mempool_populate_iova_v20_0_1(mp, vaddr, iova, len, free_cb,
+					opaque);
+	if (ret == -ENOBUFS)
+		ret = -EINVAL;
+
+	return ret;
+}
+VERSION_SYMBOL(rte_mempool_populate_iova, _v20_0, 20.0);
 
 static rte_iova_t
 get_iova(void *addr)
@@ -381,6 +414,13 @@ rte_mempool_populate_virt(struct rte_mempool *mp, char *addr,
 	size_t off, phys_len;
 	int ret, cnt = 0;
 
+	/* call alloc_once() in advance, it avoids a misinterpretation
+	 * of -ENOBUFS when delegated to rte_mempool_populate_iova().
+	 */
+	ret = mempool_ops_alloc_once(mp);
+	if (ret != 0)
+		return ret;
+
 	if (mp->flags & MEMPOOL_F_NO_IOVA_CONTIG)
 		return rte_mempool_populate_iova(mp, addr, RTE_BAD_IOVA,
 			len, free_cb, opaque);
@@ -406,8 +446,10 @@ rte_mempool_populate_virt(struct rte_mempool *mp, char *addr,
 				break;
 		}
 
-		ret = rte_mempool_populate_iova(mp, addr + off, iova,
+		ret = rte_mempool_populate_iova_v20_0_1(mp, addr + off, iova,
 			phys_len, free_cb, opaque);
+		if (ret == -ENOBUFS)
+			continue;
 		if (ret < 0)
 			goto fail;
 		/* no need to call the free callback for next chunks */