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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/wil6210.h | |
| parent | wil6210: Set permanent MAC address to wiphy (diff) | |
| download | linux-dev-58527421489dcc1110f6bcfd3b50d479199af4e0.tar.xz linux-dev-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/wil6210.h')
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/wil6210.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index d59c3f29941e..44ff040e2fea 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -455,6 +455,21 @@ struct wil_tid_ampdu_rx { bool first_time; /* is it 1-st time this buffer used? */ }; +/** + * struct wil_tid_crypto_rx_single - TID crypto information (Rx). + * + * @pn: GCMP PN for the session + * @key_set: valid key present + */ +struct wil_tid_crypto_rx_single { + u8 pn[IEEE80211_GCMP_PN_LEN]; + bool key_set; +}; + +struct wil_tid_crypto_rx { + struct wil_tid_crypto_rx_single key_id[4]; +}; + enum wil_sta_status { wil_sta_unused = 0, wil_sta_conn_pending = 1, @@ -474,6 +489,7 @@ struct wil_net_stats { unsigned long rx_non_data_frame; unsigned long rx_short_frame; unsigned long rx_large_frame; + unsigned long rx_replay; u16 last_mcs_rx; u64 rx_per_mcs[WIL_MCS_MAX + 1]; }; @@ -495,6 +511,8 @@ struct wil_sta_info { spinlock_t tid_rx_lock; /* guarding tid_rx array */ unsigned long tid_rx_timer_expired[BITS_TO_LONGS(WIL_STA_TID_NUM)]; unsigned long tid_rx_stop_requested[BITS_TO_LONGS(WIL_STA_TID_NUM)]; + struct wil_tid_crypto_rx tid_crypto_rx[WIL_STA_TID_NUM]; + struct wil_tid_crypto_rx group_crypto_rx; }; enum { |