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authorPaul Mundt <lethal@linux-sh.org>2012-01-09 09:56:37 +0900
committerPaul Mundt <lethal@linux-sh.org>2012-01-09 09:56:37 +0900
commit04cf399640b7acfa9abe2eb7900cd934db8af697 (patch)
treef9a055f2f0170550f5f0b0507b06ffce8d98945d /net/ieee802154/6lowpan.h
parent17f0056e6a2f3d1818801705f5e12b71217bf4ef (diff)
parenta0e86bd4252519321b0d102dc4ed90557aa7bee9 (diff)
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into rmobile-latest
Conflicts: arch/arm/mach-shmobile/Makefile Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'net/ieee802154/6lowpan.h')
-rw-r--r--net/ieee802154/6lowpan.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/net/ieee802154/6lowpan.h b/net/ieee802154/6lowpan.h
index 5d8cf80b930d..aeff3f310482 100644
--- a/net/ieee802154/6lowpan.h
+++ b/net/ieee802154/6lowpan.h
@@ -159,6 +159,24 @@
#define LOWPAN_DISPATCH_FRAG1 0xc0 /* 11000xxx */
#define LOWPAN_DISPATCH_FRAGN 0xe0 /* 11100xxx */
+#define LOWPAN_DISPATCH_MASK 0xf8 /* 11111000 */
+
+#define LOWPAN_FRAG_TIMEOUT (HZ * 60) /* time-out 60 sec */
+
+#define LOWPAN_FRAG1_HEAD_SIZE 0x4
+#define LOWPAN_FRAGN_HEAD_SIZE 0x5
+
+/*
+ * According IEEE802.15.4 standard:
+ * - MTU is 127 octets
+ * - maximum MHR size is 37 octets
+ * - MFR size is 2 octets
+ *
+ * so minimal payload size that we may guarantee is:
+ * MTU - MHR - MFR = 88 octets
+ */
+#define LOWPAN_FRAG_SIZE 88
+
/*
* Values of fields within the IPHC encoding first byte
* (C stands for compressed and I for inline)
@@ -201,6 +219,11 @@
#define LOWPAN_NHC_UDP_CHECKSUMC 0x04
#define LOWPAN_NHC_UDP_CHECKSUMI 0x00
+#define LOWPAN_NHC_UDP_4BIT_PORT 0xF0B0
+#define LOWPAN_NHC_UDP_4BIT_MASK 0xFFF0
+#define LOWPAN_NHC_UDP_8BIT_PORT 0xF000
+#define LOWPAN_NHC_UDP_8BIT_MASK 0xFF00
+
/* values for port compression, _with checksum_ ie bit 5 set to 0 */
#define LOWPAN_NHC_UDP_CS_P_00 0xF0 /* all inline */
#define LOWPAN_NHC_UDP_CS_P_01 0xF1 /* source 16bit inline,