wl1271: Clean up TX security sequence number handling
Instead of managing the TX security sequence number as two variables, use
one 64 bit variable. This greatly simplifies the handling of the number.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.c b/drivers/net/wireless/wl12xx/wl1271_tx.c
index d3ed63e..1b11e2c 100644
--- a/drivers/net/wireless/wl12xx/wl1271_tx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_tx.c
@@ -303,7 +303,6 @@
{
struct ieee80211_tx_info *info;
struct sk_buff *skb;
- u16 seq;
int id = result->id;
/* check for id legality */
@@ -331,15 +330,10 @@
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_seq += (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;
-
/* remove private header from packet */
skb_pull(skb, sizeof(struct wl1271_tx_hw_descr));