summaryrefslogtreecommitdiff
path: root/net/6lowpan
diff options
context:
space:
mode:
Diffstat (limited to 'net/6lowpan')
-rw-r--r--net/6lowpan/Kconfig6
-rw-r--r--net/6lowpan/Makefile1
-rw-r--r--net/6lowpan/nhc_ghc_ext_frag.c28
3 files changed, 35 insertions, 0 deletions
diff --git a/net/6lowpan/Kconfig b/net/6lowpan/Kconfig
index e5184e65d4d3..13abcc56eae6 100644
--- a/net/6lowpan/Kconfig
+++ b/net/6lowpan/Kconfig
@@ -81,4 +81,10 @@ config 6LOWPAN_GHC_EXT_HDR_DEST
6LoWPAN IPv6 destination option generic header compression according
to RFC7400.
+config 6LOWPAN_GHC_EXT_HDR_FRAG
+ tristate "GHC Fragmentation Options Header Support"
+ ---help---
+ 6LoWPAN IPv6 fragmentation option generic header compression
+ according to RFC7400.
+
endif
diff --git a/net/6lowpan/Makefile b/net/6lowpan/Makefile
index fc4bac00bd20..fb3f48d78604 100644
--- a/net/6lowpan/Makefile
+++ b/net/6lowpan/Makefile
@@ -16,3 +16,4 @@ obj-$(CONFIG_6LOWPAN_GHC_EXT_HDR_HOP) += nhc_ghc_ext_hop.o
obj-$(CONFIG_6LOWPAN_GHC_UDP) += nhc_ghc_udp.o
obj-$(CONFIG_6LOWPAN_GHC_ICMPV6) += nhc_ghc_icmpv6.o
obj-$(CONFIG_6LOWPAN_GHC_EXT_HDR_DEST) += nhc_ghc_ext_dest.o
+obj-$(CONFIG_6LOWPAN_GHC_EXT_HDR_FRAG) += nhc_ghc_ext_frag.o
diff --git a/net/6lowpan/nhc_ghc_ext_frag.c b/net/6lowpan/nhc_ghc_ext_frag.c
new file mode 100644
index 000000000000..1308b79e939d
--- /dev/null
+++ b/net/6lowpan/nhc_ghc_ext_frag.c
@@ -0,0 +1,28 @@
+/*
+ * 6LoWPAN Extension Header compression according to RFC7400
+ *
+ * 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 "nhc.h"
+
+#define LOWPAN_GHC_EXT_FRAG_IDLEN 1
+#define LOWPAN_GHC_EXT_FRAG_ID_0 0xb4
+#define LOWPAN_GHC_EXT_FRAG_MASK_0 0xfe
+
+static void frag_ghid_setup(struct lowpan_nhc *nhc)
+{
+ nhc->id[0] = LOWPAN_GHC_EXT_FRAG_ID_0;
+ nhc->idmask[0] = LOWPAN_GHC_EXT_FRAG_MASK_0;
+}
+
+LOWPAN_NHC(ghc_ext_frag, "RFC7400 Fragmentation Extension Header",
+ NEXTHDR_FRAGMENT, 0, frag_ghid_setup,
+ LOWPAN_GHC_EXT_FRAG_IDLEN, NULL, NULL);
+
+module_lowpan_nhc(ghc_ext_frag);
+MODULE_DESCRIPTION("6LoWPAN generic header fragmentation extension compression");
+MODULE_LICENSE("GPL");