diff options
| author | Juuso Oikarinen <juuso.oikarinen@nokia.com> | 2009-10-08 21:56:19 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-10-27 16:47:48 -0400 |
| commit | ac4e4ce54eb9cb4963a1d3d91fc65536d882ffb2 (patch) | |
| tree | 7ce830794c7029ab65ecb00562e48d00acc98d87 /drivers/net/wireless/wl12xx/wl1271_tx.c | |
| parent | 3b4be9e08abd8c390d13001f5dd55f64afa5ab93 (diff) | |
| download | kernel_samsung_smdk4412-ac4e4ce54eb9cb4963a1d3d91fc65536d882ffb2.zip kernel_samsung_smdk4412-ac4e4ce54eb9cb4963a1d3d91fc65536d882ffb2.tar.gz kernel_samsung_smdk4412-ac4e4ce54eb9cb4963a1d3d91fc65536d882ffb2.tar.bz2 | |
wl1271: Security sequence number handling for TX (for WPA)
Add security sequence number handling to the driver TX data path needed
by WPA.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_tx.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_tx.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.c b/drivers/net/wireless/wl12xx/wl1271_tx.c index 0c19688..162f026 100644 --- a/drivers/net/wireless/wl12xx/wl1271_tx.c +++ b/drivers/net/wireless/wl12xx/wl1271_tx.c @@ -258,6 +258,7 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl, struct ieee80211_tx_info *info; struct sk_buff *skb; u32 header_len; + u16 seq; int id = result->id; /* check for id legality */ @@ -284,6 +285,16 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl, /* info->status.retry_count = result->ack_failures; */ wl->stats.retry_count += result->ack_failures; + /* update security sequence number */ + seq = wl->tx_security_seq_16 + + (result->lsb_security_sequence_number - + wl->tx_security_last_seq); + wl->tx_security_last_seq = result->lsb_security_sequence_number; + + if (seq < wl->tx_security_seq_16) + wl->tx_security_seq_32++; + wl->tx_security_seq_16 = seq; + /* get header len */ if (info->control.hw_key && info->control.hw_key->alg == ALG_TKIP) |