Currenlty not support. Received packets with this nhc id should be
dropped.
Signed-off-by: Alexander Aring <alex.aring@xxxxxxxxx>
---
net/6lowpan/nhc/Makefile | 3 ++-
net/6lowpan/nhc/core.c | 8 ++++++++
net/6lowpan/nhc/ipv6.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
net/6lowpan/nhc/ipv6.h | 11 +++++++++++
4 files changed, 69 insertions(+), 1 deletion(-)
create mode 100644 net/6lowpan/nhc/ipv6.c
create mode 100644 net/6lowpan/nhc/ipv6.h
diff --git a/net/6lowpan/nhc/Makefile b/net/6lowpan/nhc/Makefile
index 9915c31..4d91480 100644
--- a/net/6lowpan/nhc/Makefile
+++ b/net/6lowpan/nhc/Makefile
@@ -6,4 +6,5 @@ nhc-y := core.o \
route.o \
frag.o \
dest.o \
- mobil.o
+ mobil.o \
+ ipv6.o
diff --git a/net/6lowpan/nhc/core.c b/net/6lowpan/nhc/core.c
index 1ee9750..66907ff 100644
--- a/net/6lowpan/nhc/core.c
+++ b/net/6lowpan/nhc/core.c
@@ -21,6 +21,7 @@
#include "frag.h"
#include "dest.h"
#include "mobil.h"
+#include "ipv6.h"
static struct rb_root rb_root = RB_ROOT;
static struct lowpan_nhc *lowpan_nexthdr_nhcs[NEXTHDR_MAX];
@@ -203,9 +204,15 @@ int lowpan_init_nhc(void)
ret = lowpan_init_nhc_mobil();
if (ret < 0)
goto mobil_fail;
+
+ ret = lowpan_init_nhc_ipv6();
+ if (ret < 0)
+ goto ipv6_fail;
out:
return ret;
+ipv6_fail:
+ lowpan_cleanup_nhc_mobil();
mobil_fail:
lowpan_cleanup_nhc_dest();
dest_fail:
@@ -227,4 +234,5 @@ void lowpan_cleanup_nhc(void)
lowpan_cleanup_nhc_frag();
lowpan_cleanup_nhc_dest();
lowpan_cleanup_nhc_mobil();
+ lowpan_cleanup_nhc_ipv6();
}
diff --git a/net/6lowpan/nhc/ipv6.c b/net/6lowpan/nhc/ipv6.c
new file mode 100644
index 0000000..59202cf
--- /dev/null
+++ b/net/6lowpan/nhc/ipv6.c
@@ -0,0 +1,48 @@
+/* 6LoWPAN IPv6 Header compression
+ *
+ *
+ * Authors:
+ * Alexander Aring <aar@xxxxxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <net/6lowpan.h>
+#include <linux/skbuff.h>
+
+#include "core.h"
+#include "ipv6.h"
+
+static int ipv6_uncompress(struct sk_buff **skb)
+{
+ return -ENOTSUPP;
+}
+
+static int ipv6_compress(struct sk_buff *skb, u8 **hc_ptr)
+{
+ return -ENOTSUPP;
+}
+
+static void ipv6_nhid_setup(struct lowpan_nhc *nhc)
+{
+ nhc->id[0] = LOWPAN_NHC_IPV6_ID_0;
+ nhc->idmask[0] = LOWPAN_NHC_IPV6_MASK_0;
+}
+
+LOWPAN_NHC(ipv6_nhc, "IPv6 Header", NEXTHDR_IPV6, ipv6_nhid_setup,
+ LOWPAN_NHC_IPV6_LEN, ipv6_uncompress, ipv6_compress);
+
+int lowpan_init_nhc_ipv6(void)
+{
+ return lowpan_add_nhc(&ipv6_nhc);
+}
+EXPORT_SYMBOL(lowpan_init_nhc_ipv6);
+
+void lowpan_cleanup_nhc_ipv6(void)
+{
+ lowpan_del_nhc(&ipv6_nhc);
+}
+EXPORT_SYMBOL(lowpan_cleanup_nhc_ipv6);
diff --git a/net/6lowpan/nhc/ipv6.h b/net/6lowpan/nhc/ipv6.h
new file mode 100644
index 0000000..defc183
--- /dev/null
+++ b/net/6lowpan/nhc/ipv6.h
@@ -0,0 +1,11 @@
+#ifndef __6LOWPAN_NHC_IPV6_H
+#define __6LOWPAN_NHC_IPV6_H
+
+#define LOWPAN_NHC_IPV6_LEN 1
+#define LOWPAN_NHC_IPV6_ID_0 0xee
+#define LOWPAN_NHC_IPV6_MASK_0 0xfe
+
+int lowpan_init_nhc_ipv6(void);
+void lowpan_cleanup_nhc_ipv6(void);
+
+#endif /* __6LOWPAN_NHC_IPV6_H */
--
2.0.3
--
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