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-rw-r--r--net/6lowpan/nhc_ghc_udp.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/net/6lowpan/nhc_ghc_udp.c b/net/6lowpan/nhc_ghc_udp.c
new file mode 100644
index 0000000..17beefa
--- /dev/null
+++ b/net/6lowpan/nhc_ghc_udp.c
@@ -0,0 +1,27 @@
+/*
+ * 6LoWPAN UDP 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_UDP_IDLEN 1
+#define LOWPAN_GHC_UDP_ID_0 0xd0
+#define LOWPAN_GHC_UDP_MASK_0 0xf8
+
+static void udp_ghid_setup(struct lowpan_nhc *nhc)
+{
+ nhc->id[0] = LOWPAN_GHC_UDP_ID_0;
+ nhc->idmask[0] = LOWPAN_GHC_UDP_MASK_0;
+}
+
+LOWPAN_NHC(ghc_udp, "RFC7400 UDP", NEXTHDR_UDP, 0,
+ udp_ghid_setup, LOWPAN_GHC_UDP_IDLEN, NULL, NULL);
+
+module_lowpan_nhc(ghc_udp);
+MODULE_DESCRIPTION("6LoWPAN generic header UDP compression");
+MODULE_LICENSE("GPL");