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wl1271: Security sequence number handling for TX (for WPA)

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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>
This commit is contained in:
Juuso Oikarinen
2009-10-08 21:56:19 +03:00
committed by John W. Linville
parent 3b4be9e08a
commit ac4e4ce54e
5 changed files with 38 additions and 5 deletions
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13
drivers/net/wireless/wl12xx/wl1271_main.c
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@@ -592,6 +592,9 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
wl->tx_blocks_available = 0;
wl->tx_results_count = 0;
wl->tx_packets_count = 0;
wl->tx_security_last_seq = 0;
wl->tx_security_seq_16 = 0;
wl->tx_security_seq_32 = 0;
wl->time_offset = 0;
wl->session_counter = 0;
for (i = 0; i < NUM_TX_QUEUES; i++)
@@ -823,6 +826,8 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
struct wl1271 *wl = hw->priv;
const u8 *addr;
int ret;
u32 tx_seq_32 = 0;
u16 tx_seq_16 = 0;
u8 key_type;
static const u8 bcast_addr[ETH_ALEN] =
@@ -861,11 +866,15 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
key_type = KEY_TKIP;
key_conf->hw_key_idx = key_conf->keyidx;
tx_seq_32 = wl->tx_security_seq_32;
tx_seq_16 = wl->tx_security_seq_16;
break;
case ALG_CCMP:
key_type = KEY_AES;
key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
tx_seq_32 = wl->tx_security_seq_32;
tx_seq_16 = wl->tx_security_seq_16;
break;
default:
wl1271_error("Unknown key algo 0x%x", key_conf->alg);
@@ -879,7 +888,7 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
ret = wl1271_cmd_set_key(wl, KEY_ADD_OR_REPLACE,
key_conf->keyidx, key_type,
key_conf->keylen, key_conf->key,
addr);
addr, tx_seq_32, tx_seq_16);
if (ret < 0) {
wl1271_error("Could not add or replace key");
goto out_sleep;
@@ -890,7 +899,7 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
ret = wl1271_cmd_set_key(wl, KEY_REMOVE,
key_conf->keyidx, key_type,
key_conf->keylen, key_conf->key,
addr);
addr, 0, 0);
if (ret < 0) {
wl1271_error("Could not remove key");
goto out_sleep;