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diff --git a/lwip/src/include/lwip/ip6.h b/lwip/src/include/lwip/ip6.h
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+/**
+ * @file
+ *
+ * IPv6 layer.
+ */
+
+/*
+ * Copyright (c) 2010 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_IP6_H
+#define LWIP_HDR_IP6_H
+
+#include "lwip/opt.h"
+
+#if LWIP_IPV6 /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/ip6_addr.h"
+#include "lwip/prot/ip6.h"
+#include "lwip/def.h"
+#include "lwip/pbuf.h"
+#include "lwip/netif.h"
+
+#include "lwip/err.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct netif *ip6_route(const ip6_addr_t *src, const ip6_addr_t *dest);
+const ip_addr_t *ip6_select_source_address(struct netif *netif, const ip6_addr_t * dest);
+err_t ip6_input(struct pbuf *p, struct netif *inp);
+err_t ip6_output(struct pbuf *p, const ip6_addr_t *src, const ip6_addr_t *dest,
+ u8_t hl, u8_t tc, u8_t nexth);
+err_t ip6_output_if(struct pbuf *p, const ip6_addr_t *src, const ip6_addr_t *dest,
+ u8_t hl, u8_t tc, u8_t nexth, struct netif *netif);
+err_t ip6_output_if_src(struct pbuf *p, const ip6_addr_t *src, const ip6_addr_t *dest,
+ u8_t hl, u8_t tc, u8_t nexth, struct netif *netif);
+#if LWIP_NETIF_USE_HINTS
+err_t ip6_output_hinted(struct pbuf *p, const ip6_addr_t *src, const ip6_addr_t *dest,
+ u8_t hl, u8_t tc, u8_t nexth, struct netif_hint *netif_hint);
+#endif /* LWIP_NETIF_USE_HINTS */
+#if LWIP_IPV6_MLD
+err_t ip6_options_add_hbh_ra(struct pbuf * p, u8_t nexth, u8_t value);
+#endif /* LWIP_IPV6_MLD */
+
+#define ip6_netif_get_local_ip(netif, dest) (((netif) != NULL) ? \
+ ip6_select_source_address(netif, dest) : NULL)
+
+#if IP6_DEBUG
+void ip6_debug_print(struct pbuf *p);
+#else
+#define ip6_debug_print(p)
+#endif /* IP6_DEBUG */
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_IPV6 */
+
+#endif /* LWIP_HDR_IP6_H */