Added rte_ring wrapper functions to support dpdk-17.05 and older version

Change-Id: I5cfcff8be275ab2a2fb4ad6a62777a8cb88f425b
Signed-off-by: Mohammad Abdul Awal <mohammad.abdul.awal@intel.com>

2 files changed, 176 insertions, 0 deletions

diff --git a/lib/libtle_misc/Makefile b/lib/libtle_misc/Makefile
new file mode 100644
index 0000000..287d533
--- /dev/null
+++ b/lib/libtle_misc/Makefile
@@ -0,0 +1,35 @@
+# Copyright (c) 2017 Intel Corporation.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+ifeq ($(RTE_SDK),)
+$(error "Please define RTE_SDK environment variable")
+endif
+
+# Default target, can be overwritten by command line or environment
+RTE_TARGET ?= x86_64-native-linuxapp-gcc
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+# library name
+LIB = libtle_misc.a
+
+CFLAGS += -O3
+CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR)
+
+EXPORT_MAP := tle_misc_version.map
+
+LIBABIVER := 1
+
+SYMLINK-y-include += tle_dpdk_wrapper.h
+
+include $(TLDK_ROOT)/mk/tle.lib.mk
diff --git a/lib/libtle_misc/tle_dpdk_wrapper.h b/lib/libtle_misc/tle_dpdk_wrapper.h
new file mode 100644
index 0000000..6757663
--- /dev/null
+++ b/lib/libtle_misc/tle_dpdk_wrapper.h
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2017  Intel Corporation.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef TLE_DPDK_WRAPPER_H_
+#define TLE_DPDK_WRAPPER_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <rte_version.h>
+
+#if RTE_VERSION >= RTE_VERSION_NUM(17, 5, 0, 0)
+
+static inline uint32_t
+_rte_ring_mp_enqueue_bulk(struct rte_ring *r, void * const *obj_table,
+	uint32_t n)
+{
+	uint32_t rc;
+
+	rc = rte_ring_mp_enqueue_bulk(r, (void * const *)obj_table, n, NULL);
+	if (rc == n)
+		return 0;
+	else
+		return -ENOSPC;
+}
+
+static inline uint32_t
+_rte_ring_mp_enqueue_burst(struct rte_ring *r, void * const *obj_table,
+	uint32_t n)
+{
+	return rte_ring_mp_enqueue_burst(r, (void * const *)obj_table, n, NULL);
+}
+
+static inline uint32_t
+_rte_ring_mc_dequeue_burst(struct rte_ring *r, void **obj_table, uint32_t n)
+{
+	return rte_ring_mc_dequeue_burst(r, (void **)obj_table, n, NULL);
+}
+
+static inline uint32_t
+_rte_ring_enqueue_burst(struct rte_ring *r, void * const *obj_table, uint32_t n)
+{
+	return rte_ring_enqueue_burst(r, (void * const *)obj_table, n, NULL);
+}
+
+static inline uint32_t
+_rte_ring_dequeue_burst(struct rte_ring *r, void **obj_table, uint32_t n)
+{
+	return rte_ring_dequeue_burst(r, (void **)obj_table, n, NULL);
+}
+
+static inline uint32_t
+_rte_ring_get_size(struct rte_ring *r)
+{
+	return r->size;
+}
+
+static inline uint32_t
+_rte_ring_get_mask(struct rte_ring *r)
+{
+	return r->mask;
+}
+
+static inline void **
+_rte_ring_get_data(struct rte_ring *r)
+{
+	return (void **)(&r[1]);
+}
+
+#else
+
+static inline uint32_t
+_rte_ring_mp_enqueue_bulk(struct rte_ring *r, void * const *obj_table,
+	uint32_t n)
+{
+	return rte_ring_mp_enqueue_bulk(r, (void * const *)obj_table, n);
+}
+
+static inline uint32_t
+_rte_ring_mp_enqueue_burst(struct rte_ring *r, void * const *obj_table,
+	uint32_t n)
+{
+	return rte_ring_mp_enqueue_burst(r, (void * const *)obj_table, n);
+}
+
+static inline uint32_t
+_rte_ring_mc_dequeue_burst(struct rte_ring *r, void **obj_table, uint32_t n)
+{
+	return rte_ring_mc_dequeue_burst(r, (void **)obj_table, n);
+}
+
+static inline uint32_t
+_rte_ring_enqueue_burst(struct rte_ring *r, void * const *obj_table, uint32_t n)
+{
+	return rte_ring_enqueue_burst(r, (void * const *)obj_table, n);
+}
+
+static inline uint32_t
+_rte_ring_dequeue_burst(struct rte_ring *r, void **obj_table, uint32_t n)
+{
+	return rte_ring_dequeue_burst(r, (void **)obj_table, n);
+}
+
+static inline uint32_t
+_rte_ring_get_size(struct rte_ring *r)
+{
+	return r->prod.size;
+}
+
+static inline uint32_t
+_rte_ring_get_mask(struct rte_ring *r)
+{
+	return r->prod.mask;
+}
+
+static inline void **
+_rte_ring_get_data(struct rte_ring *r)
+{
+	return (void **)r->ring;
+}
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* TLE_DPDK_WRAPPER_H_ */