diff options
| author | Jouni Malinen <jouni.malinen@atheros.com> | 2010-06-11 19:27:33 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-06-15 22:00:49 +0200 |
| commit | 9190252c952a33efa1ceff4ef35188f8a27b81cb (patch) | |
| tree | f6c7473c919e7a3f0ff7c1b6543da44f8c338d02 /net/mac80211/key.c | |
| parent | mac80211: Protect Deauthentication frame when using MFP (diff) | |
| download | linux-9190252c952a33efa1ceff4ef35188f8a27b81cb.tar.xz linux-9190252c952a33efa1ceff4ef35188f8a27b81cb.zip | |
mac80211: Use a separate CCMP PN receive counter for management frames
When management frame protection (IEEE 802.11w) is used, we must use a
separate counter for tracking received CCMP packet number for the
management frames. The previously used NUM_RX_DATA_QUEUESth queue was
shared with data frames when QoS was not used and that can cause
problems in detecting replays incorrectly for robust management frames.
Add a new counter just for robust management frames to avoid this issue.
Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/key.c')
| -rw-r--r-- | net/mac80211/key.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mac80211/key.c b/net/mac80211/key.c index d0d9001a4a6a..50d1cff23d8e 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -273,7 +273,7 @@ struct ieee80211_key *ieee80211_key_alloc(enum ieee80211_key_alg alg, key->conf.iv_len = CCMP_HDR_LEN; key->conf.icv_len = CCMP_MIC_LEN; if (seq) { - for (i = 0; i < NUM_RX_DATA_QUEUES; i++) + for (i = 0; i < NUM_RX_DATA_QUEUES + 1; i++) for (j = 0; j < CCMP_PN_LEN; j++) key->u.ccmp.rx_pn[i][j] = seq[CCMP_PN_LEN - j - 1]; |