Feat : LWIP integration part1

Change-Id: Ia26c092d16579c6f845a021ba66bde106363883a
Signed-off-by: Swarup Nayak <swarupnpvt@gmail.com>

1 files changed, 82 insertions, 0 deletions

diff --git a/stacks/lwip_stack/lwip_src/common/stackx_pbuf.h b/stacks/lwip_stack/lwip_src/common/stackx_pbuf.h
new file mode 100644
index 0000000..60f1772
--- /dev/null
+++ b/stacks/lwip_stack/lwip_src/common/stackx_pbuf.h
@@ -0,0 +1,82 @@
+/*
+*
+* 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 STACKX_PBUF_H
+#define STACKX_PBUF_H
+
+#include "common_mem_base_type.h"
+#include "common_mem_mbuf.h"
+#include "nsfw_mem_api.h"
+#include "stackx_pbuf_comm.h"
+#ifdef HAL_LIB
+#else
+#include "common_pal_bitwide_adjust.h"
+#endif
+
+#ifdef __cplusplus
+/* *INDENT-OFF* */
+extern "C" {
+/* *INDENT-ON* */
+#endif
+
+#define NEED_ACK_FLAG   0x01    /* This spl_pbuf may have multiple references. */
+#define PBUF_FREE_FLAG  0x04    /* This spl_pbuf has been free. */
+#define DPDK_SEND_FLAG  0x10    /* This spl_pbuf has been sent to DPDK. */
+#define LOOP_SEND_FLAG  0x40    /* This spl_pbuf has been looped to IP layer and not received by app layer yet. */
+
+struct spl_pbuf *sbr_malloc_pbuf (mpool_handle mp, u16 len,
+                                  u32 mbuf_data_size, u16 offset);
+void sbr_free_pbuf (struct spl_pbuf *p);
+u32 spl_pbuf_copy_partial (struct spl_pbuf *p, void *dataptr, u32_t len,
+                           u32_t offset);
+int spl_reg_res_txrx_mgr (mpool_handle * pool);
+int spl_reg_res_tx_mgr (mpool_handle * pool);
+
+/* release buf hold by app on abnormal exit */
+/*
+ *For TX mbuf: recycle_flg can be: MBUF_UNUSED, MBUF_HLD_BY_APP, MBUF_HLD_BY_SPL.
+ *For TX mbuf: recycle_flg can be: MBUF_UNSUED, app pid.
+ */
+static inline void
+pbuf_set_recycle_flg (struct spl_pbuf *p, uint32_t flg)
+{
+  uint32_t *recycle_flg;
+  struct spl_pbuf *q = p;
+  struct common_mem_mbuf *m;
+
+  while (q != NULL)
+    {
+      m =
+        (struct common_mem_mbuf *) ((char *) q -
+                                    sizeof (struct common_mem_mbuf));
+#ifdef HAL_LIB
+#else
+      recycle_flg =
+        (uint32_t *) ((char *) (m->buf_addr) + RTE_PKTMBUF_HEADROOM -
+                      sizeof (uint32_t));
+#endif
+      *recycle_flg = flg;
+      q = (struct spl_pbuf *) ADDR_SHTOL (q->next_a);
+    }
+}
+
+#ifdef __cplusplus
+/* *INDENT-OFF* */
+}
+/* *INDENT-ON* */
+#endif
+
+#endif