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| author |   Alexander Aring <alex.aring@gmail.com> | 2013-12-17 14:21:25 +0100 |
|---|---|---|
| committer |   Marcel Holtmann <marcel@holtmann.org> | 2013-12-17 06:16:48 -0800 |
| commit | 573701ce3715434f01a8baea3255da8d04ad5979 (patch) | |
| tree | 65925d37c0b3a48f0918e66716db81f364549834 /net/ieee802154/6lowpan.h | |
| parent | 6lowpan: fix udp byte ordering (diff) | |
| download | linux-dev-573701ce3715434f01a8baea3255da8d04ad5979.tar.xz linux-dev-573701ce3715434f01a8baea3255da8d04ad5979.zip | |
6lowpan: add udp warning for elided checksum
Bit 5 of "UDP LOWPAN_NHC Format" indicate that the checksum can be
elided.
The host need to calculate the udp checksum afterwards but this isn't
supported right now.
See:
http://tools.ietf.org/html/rfc6282#section-4.3.3
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/ieee802154/6lowpan.h')
| -rw-r--r-- | net/ieee802154/6lowpan.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ieee802154/6lowpan.h b/net/ieee802154/6lowpan.h index 4981bf859e5b..2b835db3bda8 100644 --- a/net/ieee802154/6lowpan.h +++ b/net/ieee802154/6lowpan.h @@ -231,6 +231,7 @@ #define LOWPAN_NHC_UDP_CS_P_10 0xF2 /* source = 0xF0 + 8bit inline, dest = 16 bit inline */ #define LOWPAN_NHC_UDP_CS_P_11 0xF3 /* source & dest = 0xF0B + 4bit inline */ +#define LOWPAN_NHC_UDP_CS_C 0x04 /* checksum elided */ #ifdef DEBUG /* print data in line */ |