Refactor: change to dmm share memory

Change-Id: Iff87eb5c6610c1db9247a898dd4c8ffbe6eeabdf
Signed-off-by: nanger <zhenyinan@huawei.com>

1 files changed, 60 insertions, 0 deletions

diff --git a/stacks/lwip_stack/src/mem_mgr/nsfw_shmem/nsfw_shmem_ring.h b/stacks/lwip_stack/src/mem_mgr/nsfw_shmem/nsfw_shmem_ring.h
new file mode 100644
index 0000000..15cd1dd
--- /dev/null
+++ b/stacks/lwip_stack/src/mem_mgr/nsfw_shmem/nsfw_shmem_ring.h
@@ -0,0 +1,60 @@
+/*
+*
+* Copyright (c) 2018 Huawei Technologies Co.,Ltd.
+* 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 _NSFW_SHMEM_RING_H_
+#define _NSFW_SHMEM_RING_H_
+
+#include <stdint.h>
+
+#include "common_func.h"
+
+struct nsfw_shmem_ring_head
+{
+  struct common_mem_memzone *mem_zone;
+  struct nsfw_shmem_ring_head *next;
+  unsigned int uireserv[4];
+};
+
+void nsfw_shmem_ring_baseaddr_query (uint64_t * rte_lowest_addr,
+                                     uint64_t * rte_highest_addr);
+struct nsfw_mem_ring *nsfw_shmem_pool_create (const char *name,
+                                              unsigned int n,
+                                              unsigned int elt_size,
+                                              int socket_id,
+                                              unsigned char flag);
+struct nsfw_mem_ring *nsfw_shmem_ring_create (const char *name,
+                                              unsigned int n, int socket_id,
+                                              unsigned char flag);
+
+void nsfw_shmem_pool_free (struct nsfw_mem_ring *perfring_ptr);
+
+void nsfw_shmem_ring_reset (struct nsfw_mem_ring *ring, unsigned char flag);
+int nsfw_shmem_ring_mp_enqueue (struct nsfw_mem_ring *ring, void *box);
+int nsfw_shmem_ring_sp_enqueue (struct nsfw_mem_ring *ring, void *box);
+int nsfw_shmem_ring_mc_dequeue (struct nsfw_mem_ring *ring, void **box);
+int nsfw_shmem_ring_mc_dequeuev (struct nsfw_mem_ring *ring, void **box,
+                                 unsigned int n);
+int nsfw_shmem_ring_sc_dequeue (struct nsfw_mem_ring *ring, void **box);
+int nsfw_shmem_ring_sc_dequeuev (struct nsfw_mem_ring *ring, void **box,
+                                 unsigned int n);
+int nsfw_shmem_ring_singlethread_enqueue (struct nsfw_mem_ring *ring,
+                                          void *box);
+int nsfw_shmem_ring_singlethread_dequeue (struct nsfw_mem_ring *ring,
+                                          void **box);
+int nsfw_shmem_ring_singlethread_dequeuev (struct nsfw_mem_ring *ring,
+                                           void **box, unsigned int n);
+
+#endif /*_NSFW_SHMEM_RING_H_*/