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Diffstat (limited to 'lib/librte_mbuf/rte_mbuf_pool_ops.c')
-rw-r--r--lib/librte_mbuf/rte_mbuf_pool_ops.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/lib/librte_mbuf/rte_mbuf_pool_ops.c b/lib/librte_mbuf/rte_mbuf_pool_ops.c
new file mode 100644
index 00000000..48cc3420
--- /dev/null
+++ b/lib/librte_mbuf/rte_mbuf_pool_ops.c
@@ -0,0 +1,97 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2018 NXP
+ */
+
+#include <string.h>
+#include <rte_compat.h>
+#include <rte_eal.h>
+#include <rte_mbuf.h>
+#include <rte_errno.h>
+#include <rte_mbuf_pool_ops.h>
+
+int __rte_experimental
+rte_mbuf_set_platform_mempool_ops(const char *ops_name)
+{
+ const struct rte_memzone *mz;
+
+ if (strlen(ops_name) >= RTE_MEMPOOL_OPS_NAMESIZE)
+ return -ENAMETOOLONG;
+
+ mz = rte_memzone_lookup("mbuf_platform_pool_ops");
+ if (mz == NULL) {
+ mz = rte_memzone_reserve("mbuf_platform_pool_ops",
+ RTE_MEMPOOL_OPS_NAMESIZE, SOCKET_ID_ANY, 0);
+ if (mz == NULL)
+ return -rte_errno;
+ strncpy(mz->addr, ops_name, strlen(ops_name));
+ return 0;
+ } else if (strcmp(mz->addr, ops_name) == 0) {
+ return 0;
+ }
+
+ RTE_LOG(ERR, MBUF,
+ "%s is already registered as platform mbuf pool ops\n",
+ (char *)mz->addr);
+ return -EEXIST;
+}
+
+const char * __rte_experimental
+rte_mbuf_platform_mempool_ops(void)
+{
+ const struct rte_memzone *mz;
+
+ mz = rte_memzone_lookup("mbuf_platform_pool_ops");
+ if (mz == NULL)
+ return NULL;
+ return mz->addr;
+}
+
+int __rte_experimental
+rte_mbuf_set_user_mempool_ops(const char *ops_name)
+{
+ const struct rte_memzone *mz;
+
+ if (strlen(ops_name) >= RTE_MEMPOOL_OPS_NAMESIZE)
+ return -ENAMETOOLONG;
+
+ mz = rte_memzone_lookup("mbuf_user_pool_ops");
+ if (mz == NULL) {
+ mz = rte_memzone_reserve("mbuf_user_pool_ops",
+ RTE_MEMPOOL_OPS_NAMESIZE, SOCKET_ID_ANY, 0);
+ if (mz == NULL)
+ return -rte_errno;
+ }
+
+ strncpy(mz->addr, ops_name, strlen(ops_name));
+ return 0;
+
+}
+
+const char * __rte_experimental
+rte_mbuf_user_mempool_ops(void)
+{
+ const struct rte_memzone *mz;
+
+ mz = rte_memzone_lookup("mbuf_user_pool_ops");
+ if (mz == NULL)
+ return rte_eal_mbuf_user_pool_ops();
+ return mz->addr;
+}
+
+/* Return mbuf pool ops name */
+const char * __rte_experimental
+rte_mbuf_best_mempool_ops(void)
+{
+ /* User defined mempool ops takes the priority */
+ const char *best_ops = rte_mbuf_user_mempool_ops();
+ if (best_ops)
+ return best_ops;
+
+ /* Next choice is platform configured mempool ops */
+ best_ops = rte_mbuf_platform_mempool_ops();
+ if (best_ops)
+ return best_ops;
+
+ /* Last choice is to use the compile time config pool */
+ return RTE_MBUF_DEFAULT_MEMPOOL_OPS;
+}