kernel.git/net/mac80211/util.c, branch linux-2.6.28.y

mac80211: fix HT information element parsing

2008-10-15T00:47:15Z

There's no checking that the HT IEs are of the right length which can be used by an attacker to cause an out-of-bounds access by sending a too short HT information/capability IE. Fix it by simply pretending those IEs didn't exist when too short. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville

mac80211: fix virtual interfaces vs. injection

2008-09-15T20:48:25Z

Currently, virtual interface pointers passed to drivers might be from monitor interfaces and as such completely uninitialised because we do not tell the driver about monitor interfaces when those are created. Instead of passing them, we should therefore indicate to the driver that there is no information; do that by passing a NULL value and adjust drivers to cope with it. As a result, some mac80211 API functions also need to cope with a NULL vif pointer so drivers can still call them unconditionally. Also, when injecting frames we really don't want to pass NULL all the time, if we know we are the source address of a frame and have a local interface for that address, we can to use that interface. This also helps with processing the frame correctly for that interface which will help the 802.11w implementation. It's not entirely correct for VLANs or WDS interfaces because there the MAC address isn't unique, but it's already a lot better than what we do now. Finally, when injecting without a matching local interface, don't assign sequence numbers at all. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville

mac80211: use nl80211 interface types

2008-09-15T20:48:23Z

There's really no reason for mac80211 to be using its own interface type defines. Use the nl80211 types and simplify the configuration code a bit: there's no need to translate them any more now. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville

mac80211: inform driver of basic rateset

2008-09-15T20:48:22Z

Drivers need to know the basic rateset to be able to configure the ACK/CTS programming in hardware correctly. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville

mac80211: clean up scan namespace

2008-09-15T20:48:22Z

Most of the scan functions are called ieee80211_sta_scan_* or similar, make clean it up so they are all just called ieee80211_scan_*. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville

mac80211: move ieee80211_set_freq to utils

2008-09-15T20:48:22Z

It really doesn't belong into the wireless extensions code. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville

mac80211: move frame TX function

2008-09-11T19:53:39Z

The ieee80211_sta_tx function isn't MLME code any more, it's getting used by a lot of code. Move it to utils and rename it to ieee80211_tx_skb. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville

mac80211: initialise queue QoS parameters at hw start

2008-09-11T19:53:39Z

When hardware is started it might be in a confused state with respect to queue QoS parameters. This patch changes mac80211 to set sane defaults right after the hardware is brought up. Signed-off-by: Johannes Berg Cc: Michael Buesch Signed-off-by: John W. Linville

mac80211: move IE parsing to util file

2008-09-11T19:53:35Z

Since IE parsing is required for the mlme and mesh code, it's not a static function anyway, and it's much better to have it in util rather than the overly large mlme.c Signed-off-by: Johannes Berg Signed-off-by: John W. Linville

mac80211: remove ieee80211_get_hdrlen

2008-08-22T20:29:54Z

All users have been moved over to the version taking a le16 frame control rather than a cpu-endian value. Signed-off-by: Harvey Harrison Signed-off-by: John W. Linville