lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

mac80211 : fix a race with update_tkip_key

Browse Source 
The mac80211 tkip code won't call update_tkip_key, if rx packets
are received without KEY_FLAG_UPLOADED_TO_HARDWARE. This can happen on
first packet because the hardware key stuff is called asynchronously with
todo workqueue.

This patch workaround that by tracking if we sent the key to the driver.

Signed-off-by: Gregor Kowski <gregor.kowski@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
gregor kowski
2009-12-09 23:25:05 +01:00
committed by John W. Linville
parent e54be4e735
commit ca99861d54
2 changed files with 25 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
net/mac80211/key.h
View File

@@ -59,11 +59,17 @@ enum ieee80211_internal_key_flags {
KEY_FLAG_TODO_DEFMGMTKEY = BIT(6),
};
enum ieee80211_internal_tkip_state {
TKIP_STATE_NOT_INIT,
TKIP_STATE_PHASE1_DONE,
TKIP_STATE_PHASE1_HW_UPLOADED,
};
struct tkip_ctx {
u32 iv32;
u16 iv16;
u16 p1k[5];
int initialized;
enum ieee80211_internal_tkip_state state;
};
struct ieee80211_key {