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12 Commits

Author SHA1 Message Date
Rui Paulo
dd7fc6998b Add missing braces. 
Submitted by:	sam
MFC after:	3 days
 2010-06-10 20:40:38 +00:00
Rui Paulo
db30953482 Don't reference null pointer in hwmp_recv_preq(). 
Found with:	Coverity Prevent(tm)
CID:		3912
MFC after:	3 days
 2010-06-01 14:13:59 +00:00
Rui Paulo
71a7750434 Update the route's sequence number upon receiving a RANN. 
MFC after:	3 days
 2009-10-29 12:19:10 +00:00
Rui Paulo
038abe369e Initialize rann_flags properly. 
MFC after:	2 days
 2009-10-22 17:30:22 +00:00
Rui Paulo
d5e9eabead Fix a bug in composing PERR frames introduced by latest draft update. 
MFC after:	3 days
 2009-10-19 23:11:43 +00:00
Rui Paulo
34413c0e2b HWMP fixes, namely: 
* fix the processing of RANN frames
* the originator and target addresses were swapped and while it worked
fine, it was not spec compliant.

MFC after:	3 days
 2009-10-19 11:17:46 +00:00
Rui Paulo
6b8c18292c Another 3.03 draft bit that I missed in the previous 802.11s stack 
update. The Mesh Configuration IE has changed quite a bit. Refactor the
code to handle this change.

MFC after:	3 days
 2009-10-12 10:08:58 +00:00
Rui Paulo
c77735e28f Update 802.11s mesh support to draft 3.03. This includes a revised frame 
format for peering and changes to the PERR frames.
Note that this is incompatible with the previous code.

Reviewed by:	sam
MFC after:	1 week
 2009-09-22 18:18:14 +00:00
Rui Paulo
3ca80f0dbc Mesh fixes, namely: 
* don't clobber proxy entries
* HWMP seq number processing, including discard of old frames
* flush routing table entries based on nexthop
* print route flags in ifconfig
* more debugging messages and comments

Proxy changes submitted by sam.

Approved by:	re (kib)
 2009-07-27 14:22:09 +00:00
Sam Leffler
e50821abe7 store mesh timers as ticks and sysctls for changing the defaults 
Reviewed by:	rpaulo
Approved by:	re (kib)
 2009-07-21 19:38:22 +00:00
Rui Paulo
c104cff26e More mesh bits, namely: 
* bridge support (sam)
* handling of errors (sam)
* deletion of inactive routing entries
* more debug msgs (sam)
* fixed some inconsistencies with the spec.
* decap is now specific to mesh (sam)
* print mesh seq. no. on ifconfig list mesh
* small perf. improvements

Reviewed by:	sam
Approved by:	re (kib)
 2009-07-20 19:12:08 +00:00
Rui Paulo
59aa14a91d Implementation of the upcoming Wireless Mesh standard, 802.11s, on the 
net80211 wireless stack. This work is based on the March 2009 D3.0 draft
standard. This standard is expected to become final next year.
This includes two main net80211 modules, ieee80211_mesh.c
which deals with peer link management, link metric calculation,
routing table control and mesh configuration and ieee80211_hwmp.c
which deals with the actually routing process on the mesh network.
HWMP is the mandatory routing protocol on by the mesh standard, but
others, such as RA-OLSR, can be implemented.

Authentication and encryption are not implemented.

There are several scripts under tools/tools/net80211/scripts that can be
used to test different mesh network topologies and they also teach you
how to setup a mesh vap (for the impatient: ifconfig wlan0 create
wlandev ... wlanmode mesh).

A new build option is available: IEEE80211_SUPPORT_MESH and it's enabled
by default on GENERIC kernels for i386, amd64, sparc64 and pc98.

Drivers that support mesh networks right now are: ath, ral and mwl.

More information at: http://wiki.freebsd.org/WifiMesh

Please note that this work is experimental. Also, please note that
bridging a mesh vap with another network interface is not yet supported.

Many thanks to the FreeBSD Foundation for sponsoring this project and to
Sam Leffler for his support.
Also, I would like to thank Gateworks Corporation for sending me a
Cambria board which was used during the development of this project.

Reviewed by:	sam
Approved by:	re (kensmith)
Obtained from:	projects/mesh11s
 2009-07-11 15:02:45 +00:00