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path: root/drivers/net/wireless/ti/wlcore/main.c
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Diffstat (limited to 'drivers/net/wireless/ti/wlcore/main.c')
-rw-r--r--drivers/net/wireless/ti/wlcore/main.c55
1 files changed, 28 insertions, 27 deletions
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index c3e2471..c1a60cd 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -418,13 +418,21 @@ static int wlcore_fw_status(struct wl1271 *wl,
for_each_set_bit(i, wl->links_map, WL12XX_MAX_LINKS) {
+ u8 diff;
lnk = &wl->links[i];
+
/* prevent wrap-around in freed-packets counter */
- lnk->allocated_pkts -=
- (status_2->counters.tx_lnk_free_pkts[i] -
- lnk->prev_freed_pkts) & 0xff;
+ diff = (status_2->counters.tx_lnk_free_pkts[i] -
+ lnk->prev_freed_pkts) & 0xff;
+
+ if (diff == 0)
+ continue;
+ lnk->allocated_pkts -= diff;
lnk->prev_freed_pkts = status_2->counters.tx_lnk_free_pkts[i];
+
+ /* accumulate the prev_freed_pkts counter */
+ lnk->total_freed_pkts += diff;
}
/* prevent wrap-around in total blocks counter */
@@ -923,18 +931,6 @@ static void wl1271_recovery_work(struct work_struct *work)
goto out_unlock;
}
- /*
- * Advance security sequence number to overcome potential progress
- * in the firmware during recovery. This doens't hurt if the network is
- * not encrypted.
- */
- wl12xx_for_each_wlvif(wl, wlvif) {
- if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) ||
- test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags))
- wlvif->tx_security_seq +=
- WL1271_TX_SQN_POST_RECOVERY_PADDING;
- }
-
/* Prevent spurious TX during FW restart */
wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART);
@@ -2864,10 +2860,6 @@ static int wlcore_unset_assoc(struct wl1271 *wl, struct wl12xx_vif *wlvif)
wlvif->sta.klv_template_id,
ACX_KEEP_ALIVE_TPL_INVALID);
- /* reset TX security counters on a clean disconnect */
- wlvif->tx_security_last_seq_lsb = 0;
- wlvif->tx_security_seq = 0;
-
return 0;
}
@@ -3266,6 +3258,7 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
u32 tx_seq_32 = 0;
u16 tx_seq_16 = 0;
u8 key_type;
+ u8 hlid;
wl1271_debug(DEBUG_MAC80211, "mac80211 set key");
@@ -3275,6 +3268,22 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
key_conf->keylen, key_conf->flags);
wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen);
+ if (wlvif->bss_type == BSS_TYPE_AP_BSS)
+ if (sta) {
+ struct wl1271_station *wl_sta = (void *)sta->drv_priv;
+ hlid = wl_sta->hlid;
+ } else {
+ hlid = wlvif->ap.bcast_hlid;
+ }
+ else
+ hlid = wlvif->sta.hlid;
+
+ if (hlid != WL12XX_INVALID_LINK_ID) {
+ u64 tx_seq = wl->links[hlid].total_freed_pkts;
+ tx_seq_32 = WL1271_TX_SECURITY_HI32(tx_seq);
+ tx_seq_16 = WL1271_TX_SECURITY_LO16(tx_seq);
+ }
+
switch (key_conf->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
@@ -3284,22 +3293,14 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
break;
case WLAN_CIPHER_SUITE_TKIP:
key_type = KEY_TKIP;
-
key_conf->hw_key_idx = key_conf->keyidx;
- tx_seq_32 = WL1271_TX_SECURITY_HI32(wlvif->tx_security_seq);
- tx_seq_16 = WL1271_TX_SECURITY_LO16(wlvif->tx_security_seq);
break;
case WLAN_CIPHER_SUITE_CCMP:
key_type = KEY_AES;
-
key_conf->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
- tx_seq_32 = WL1271_TX_SECURITY_HI32(wlvif->tx_security_seq);
- tx_seq_16 = WL1271_TX_SECURITY_LO16(wlvif->tx_security_seq);
break;
case WL1271_CIPHER_SUITE_GEM:
key_type = KEY_GEM;
- tx_seq_32 = WL1271_TX_SECURITY_HI32(wlvif->tx_security_seq);
- tx_seq_16 = WL1271_TX_SECURITY_LO16(wlvif->tx_security_seq);
break;
default:
wl1271_error("Unknown key algo 0x%x", key_conf->cipher);