Initial import of Ivan Delamer's 6LoWPAN implementation with slight modifications to allow compiling in IPv6 only mode

src/Filelists.mk

@@ -79,6 +79,9 @@ APIFILES=$(LWIPDIR)/api/api_lib.c \
 NETIFFILES=$(LWIPDIR)/netif/etharp.c \
 	$(LWIPDIR)/netif/slipif.c
 
+# SIXLOWPAN: 6LoWPAN
+SIXLOWPAN=$(LWIPDIR)/netif/lowpan6.c \
+
 # PPPFILES: PPP
 PPPFILES=$(LWIPDIR)/netif/ppp/auth.c \
 	$(LWIPDIR)/netif/ppp/ccp.c \
@@ -116,7 +119,8 @@ LWIPNOAPPSFILES=$(COREFILES) \
 	$(CORE6FILES) \
 	$(APIFILES) \
 	$(NETIFFILES) \
-	$(PPPFILES)
+	$(PPPFILES) \
+	$(SIXLOWPAN)
 
 # SNMPFILES: SNMPv2c agent
 SNMPFILES=$(LWIPDIR)/apps/snmp/snmp_asn1.c \

src/include/netif/lowpan6.h

@@ -0,0 +1,84 @@
+/**
+ * @file
+ *
+ * 6LowPAN output 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_H
+#define LWIP_HDR_LOWPAN6_H
+
+#include "netif/lowpan6_opts.h"
+
+#if LWIP_IPV6 && LWIP_6LOWPAN /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/pbuf.h"
+#include "lwip/ip.h"
+#include "lwip/ip_addr.h"
+#include "lwip/netif.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** 1 second period */
+#define LOWPAN6_TMR_INTERVAL 1000
+
+void lowpan6_tmr(void);
+
+err_t lowpan6_set_context(u8_t index, const ip6_addr_t * context);
+err_t lowpan6_set_short_addr(u8_t addr_high, u8_t addr_low);
+
+#if LWIP_IPV4
+err_t lowpan4_output(struct netif *netif, struct pbuf *q, const ip4_addr_t *ipaddr);
+#endif /* LWIP_IPV4 */
+err_t lowpan6_output(struct netif *netif, struct pbuf *q, const ip6_addr_t *ip6addr);
+err_t lowpan6_input(struct pbuf * p, struct netif *netif);
+err_t lowpan6_if_init(struct netif *netif);
+
+/* pan_id in network byte order. */
+err_t lowpan6_set_pan_id(u16_t pan_id);
+
+err_t tcpip_6lowpan_input(struct pbuf *p, struct netif *inp);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_IPV6 && LWIP_6LOWPAN */
+
+#endif /* LWIP_HDR_LOWPAN6_H */

src/include/netif/lowpan6_opts.h

@@ -0,0 +1,65 @@
+/*
+ * 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_OPTS_H
+#define	LWIP_HDR_LOWPAN6_OPTS_H
+
+#include "lwip/opt.h"
+
+#ifndef LWIP_6LOWPAN
+#define LWIP_6LOWPAN                     0
+#endif
+    
+#ifndef LWIP_6LOWPAN_NUM_CONTEXTS
+#define LWIP_6LOWPAN_NUM_CONTEXTS        10
+#endif
+    
+#ifndef LWIP_6LOWPAN_INFER_SHORT_ADDRESS
+#define LWIP_6LOWPAN_INFER_SHORT_ADDRESS 1
+#endif
+    
+#ifndef LWIP_6LOWPAN_IPHC
+#define LWIP_6LOWPAN_IPHC                1
+#endif
+    
+#ifndef LWIP_6LOWPAN_HW_CRC
+#define LWIP_6LOWPAN_HW_CRC              1
+#endif
+
+#ifndef LOWPAN6_DEBUG
+#define LOWPAN6_DEBUG                    LWIP_DBG_OFF
+#endif
+
+#endif	/* LWIP_HDR_LOWPAN6_OPTS_H */