1 files changed, 82 insertions, 0 deletions
diff --git a/lwip/src/include/netif/lowpan6_common.h b/lwip/src/include/netif/lowpan6_common.h
new file mode 100644
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+++ b/lwip/src/include/netif/lowpan6_common.h
@@ -0,0 +1,82 @@
+/**
+ * @file
+ *
+ * Common 6LowPAN routines for IPv6. Uses ND tables for link-layer addressing. Fragments packets to 6LowPAN units.
+ */
+
+/*
+ * Copyright (c) 2015 Inico Technologies Ltd.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Ivan Delamer <delamer@inicotech.com>
+ *
+ *
+ * Please coordinate changes and requests with Ivan Delamer
+ * <delamer@inicotech.com>
+ */
+
+#ifndef LWIP_HDR_LOWPAN6_COMMON_H
+#define LWIP_HDR_LOWPAN6_COMMON_H
+
+#include "netif/lowpan6_opts.h"
+
+#if LWIP_IPV6 /* don't build if IPv6 is disabled in lwipopts.h */
+
+#include "lwip/pbuf.h"
+#include "lwip/ip.h"
+#include "lwip/ip6_addr.h"
+#include "lwip/netif.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Helper define for a link layer address, which can be encoded as 0, 2 or 8 bytes */
+struct lowpan6_link_addr {
+  /* encoded length of the address */
+  u8_t addr_len;
+  /* address bytes */
+  u8_t addr[8];
+};
+
+s8_t lowpan6_get_address_mode(const ip6_addr_t *ip6addr, const struct lowpan6_link_addr *mac_addr);
+
+#if LWIP_6LOWPAN_IPHC
+err_t lowpan6_compress_headers(struct netif *netif, u8_t *inbuf, size_t inbuf_size, u8_t *outbuf, size_t outbuf_size,
+                               u8_t *lowpan6_header_len_out, u8_t *hidden_header_len_out, ip6_addr_t *lowpan6_contexts,
+                               const struct lowpan6_link_addr *src, const struct lowpan6_link_addr *dst);
+struct pbuf *lowpan6_decompress(struct pbuf *p, u16_t datagram_size, ip6_addr_t *lowpan6_contexts,
+                                struct lowpan6_link_addr *src, struct lowpan6_link_addr *dest);
+#endif /* LWIP_6LOWPAN_IPHC */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_IPV6 */
+
+#endif /* LWIP_HDR_LOWPAN6_COMMON_H */