Files
linux/include/net
Alexander Aring 838b83d63d ieee802154: introduce wpan_dev_header_ops
The current header_ops callback structure of net device are used mostly
from 802.15.4 upper-layers. Because this callback structure is a very
generic one, which is also used by e.g. DGRAM AF_PACKET sockets, we
can't make this callback structure 802.15.4 specific which is currently
is.

I saw the smallest "constraint" for calling this callback with
dev_hard_header/dev_parse_header by AF_PACKET which assign a 8 byte
array for address void pointers. Currently 802.15.4 specific protocols
like af802154 and 6LoWPAN will assign the "struct ieee802154_addr" as
these parameters which is greater than 8 bytes. The current callback
implementation for header_ops.create assumes always a complete
"struct ieee802154_addr" which AF_PACKET can't never handled and is
greater than 8 bytes.

For that reason we introduce now a "generic" create/parse header_ops
callback which allows handling with intra-pan extended addresses only.
This allows a small use-case with AF_PACKET to send "somehow" a valid
dataframe over DGRAM.

To keeping the current dev_hard_header behaviour we introduce a similar
callback structure "wpan_dev_header_ops" which contains 802.15.4 specific
upper-layer header creation functionality, which can be called by
wpan_dev_hard_header.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-09-22 11:51:20 +02:00
..
2015-09-17 17:18:37 -07:00
2015-06-14 12:55:49 -07:00
2014-09-18 10:54:36 +02:00
2015-03-04 00:23:23 -05:00
2015-06-28 16:55:44 -07:00
2015-03-06 21:50:02 -05:00
2015-09-17 17:18:37 -07:00
2015-08-18 14:17:21 -07:00
2015-08-31 21:23:42 -07:00
2015-09-17 17:18:37 -07:00
2013-11-07 19:28:58 -05:00
2014-09-30 01:02:26 -04:00
2015-03-12 14:39:40 -04:00
2015-09-17 17:18:37 -07:00
2014-01-03 20:56:48 -05:00
2015-07-21 10:39:05 -07:00
2015-09-15 12:01:41 -07:00
2015-09-17 21:09:07 -07:00
2014-06-02 11:00:41 -07:00
2015-03-12 22:58:12 -04:00
2015-09-21 16:19:01 -07:00
2014-05-22 14:57:15 -04:00
2015-09-01 14:32:44 -07:00