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| author | Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com> | 2016-03-01 19:18:07 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2016-03-07 11:43:19 +0200 |
| commit | 58527421489dcc1110f6bcfd3b50d479199af4e0 (patch) | |
| tree | 759a1090d8d9fa4682bd8995608aee3f7665169a /drivers/net/wireless/ath/wil6210/main.c | |
| parent | b42f11963f7bd8c54d0a28d679c13d9e83b85357 (diff) | |
| download | talos-obmc-linux-58527421489dcc1110f6bcfd3b50d479199af4e0.tar.gz talos-obmc-linux-58527421489dcc1110f6bcfd3b50d479199af4e0.zip | |
wil6210: replay attack detection
Check PN for encrypted frames.
Maintain PN data for Rx keys, pairwise per TID and group.
Print PN's in the debugfs "stations" entry, like:
[0] 04:ce:14:0a:3c:3d connected
[ 0] ([32] 0 TU) 0x0fe [____________________________|___] total 252 drop 0 (dup 0 + old 0) last 0x000
[ 0] PN [0+]000000000000 [1-]000000000000 [2-]000000000000 [3-]000000000000
[GR] PN [0-]000000000000 [1+]000000000000 [2+]000000000000 [3-]000000000000
Rx invalid frame: non-data 0, short 0, large 0, replay 0
Rx/MCS: 0 110 65 65 65 0 12 0 0 0 0 0 0
[1] 00:00:00:00:00:00 unused
[2] 00:00:00:00:00:00 unused
[3] 00:00:00:00:00:00 unused
[4] 00:00:00:00:00:00 unused
[5] 00:00:00:00:00:00 unused
[6] 00:00:00:00:00:00 unused
[7] 00:00:00:00:00:00 unused
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Hamad Kadmany <qca_hkadmany@qca.qualcomm.com>
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/main.c')
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/main.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index 997a740e0a4b..1fa215d0eeed 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -149,7 +149,7 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) might_sleep(); wil_dbg_misc(wil, "%s(CID %d, status %d)\n", __func__, cid, sta->status); - + /* inform upper/lower layers */ if (sta->status != wil_sta_unused) { if (!from_event) wmi_disconnect_sta(wil, sta->addr, reason_code, true); @@ -165,7 +165,7 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) } sta->status = wil_sta_unused; } - + /* reorder buffers */ for (i = 0; i < WIL_STA_TID_NUM; i++) { struct wil_tid_ampdu_rx *r; @@ -177,10 +177,15 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) spin_unlock_bh(&sta->tid_rx_lock); } + /* crypto context */ + memset(sta->tid_crypto_rx, 0, sizeof(sta->tid_crypto_rx)); + memset(&sta->group_crypto_rx, 0, sizeof(sta->group_crypto_rx)); + /* release vrings */ for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) { if (wil->vring2cid_tid[i][0] == cid) wil_vring_fini_tx(wil, i); } + /* statistics */ memset(&sta->stats, 0, sizeof(sta->stats)); } |
