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path: root/drivers/net/wireless/ti/wlcore
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Diffstat (limited to 'drivers/net/wireless/ti/wlcore')
-rw-r--r--drivers/net/wireless/ti/wlcore/cmd.c9
-rw-r--r--drivers/net/wireless/ti/wlcore/event.c2
-rw-r--r--drivers/net/wireless/ti/wlcore/main.c103
-rw-r--r--drivers/net/wireless/ti/wlcore/wlcore_i.h4
4 files changed, 107 insertions, 11 deletions
diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c
index 92fc2d456c2c..cd8ad0fe59cc 100644
--- a/drivers/net/wireless/ti/wlcore/cmd.c
+++ b/drivers/net/wireless/ti/wlcore/cmd.c
@@ -333,6 +333,14 @@ int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid)
wl->links[link].wlvif = wlvif;
/*
+ * Take the last sec_pn16 value from the current FW status. On recovery,
+ * we might not have fw_status yet, and tx_lnk_sec_pn16[] will be NULL.
+ */
+ if (wl->fw_status->counters.tx_lnk_sec_pn16)
+ wl->links[link].prev_sec_pn16 =
+ le16_to_cpu(wl->fw_status->counters.tx_lnk_sec_pn16[link]);
+
+ /*
* Take saved value for total freed packets from wlvif, in case this is
* recovery/resume
*/
@@ -360,6 +368,7 @@ void wl12xx_free_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid)
wl->links[*hlid].allocated_pkts = 0;
wl->links[*hlid].prev_freed_pkts = 0;
+ wl->links[*hlid].prev_sec_pn16 = 0;
wl->links[*hlid].ba_bitmap = 0;
eth_zero_addr(wl->links[*hlid].addr);
diff --git a/drivers/net/wireless/ti/wlcore/event.c b/drivers/net/wireless/ti/wlcore/event.c
index 2499dc908305..6c3a8ea9613e 100644
--- a/drivers/net/wireless/ti/wlcore/event.c
+++ b/drivers/net/wireless/ti/wlcore/event.c
@@ -83,7 +83,7 @@ int wlcore_event_fw_logger(struct wl1271 *wl)
/* Copy initial part up to the end of ring buffer */
len = min(actual_len, available_len);
wl12xx_copy_fwlog(wl, &buffer[start_loc], len);
- clear_ptr = addr_ptr + start_loc + actual_len;
+ clear_ptr = addr_ptr + start_loc + len;
if (clear_ptr == buff_end_ptr)
clear_ptr = buff_start_ptr;
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index 492cd7aef44f..0c77b8524160 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -379,6 +379,8 @@ static void wl12xx_irq_update_links_status(struct wl1271 *wl,
static int wlcore_fw_status(struct wl1271 *wl, struct wl_fw_status *status)
{
+ struct wl12xx_vif *wlvifsta;
+ struct wl12xx_vif *wlvifap;
struct wl12xx_vif *wlvif;
u32 old_tx_blk_count = wl->tx_blocks_available;
int avail, freed_blocks;
@@ -392,7 +394,7 @@ static int wlcore_fw_status(struct wl1271 *wl, struct wl_fw_status *status)
if (ret < 0)
return ret;
- wlcore_hw_convert_fw_status(wl, wl->raw_fw_status, wl->fw_status);
+ wlcore_hw_convert_fw_status(wl, wl->raw_fw_status, status);
wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, "
"drv_rx_counter = %d, tx_results_counter = %d)",
@@ -410,23 +412,100 @@ static int wlcore_fw_status(struct wl1271 *wl, struct wl_fw_status *status)
wl->tx_pkts_freed[i] = status->counters.tx_released_pkts[i];
}
+ /* Find an authorized STA vif */
+ wlvifsta = NULL;
+ wl12xx_for_each_wlvif_sta(wl, wlvif) {
+ if (wlvif->sta.hlid != WL12XX_INVALID_LINK_ID &&
+ test_bit(WLVIF_FLAG_STA_AUTHORIZED, &wlvif->flags)) {
+ wlvifsta = wlvif;
+ break;
+ }
+ }
+
+ /* Find a started AP vif */
+ wlvifap = NULL;
+ wl12xx_for_each_wlvif(wl, wlvif) {
+ if (wlvif->bss_type == BSS_TYPE_AP_BSS &&
+ wlvif->inconn_count == 0 &&
+ test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags)) {
+ wlvifap = wlvif;
+ break;
+ }
+ }
for_each_set_bit(i, wl->links_map, wl->num_links) {
- u8 diff;
+ u16 diff16, sec_pn16;
+ u8 diff, tx_lnk_free_pkts;
+
lnk = &wl->links[i];
/* prevent wrap-around in freed-packets counter */
- diff = (status->counters.tx_lnk_free_pkts[i] -
- lnk->prev_freed_pkts) & 0xff;
+ tx_lnk_free_pkts = status->counters.tx_lnk_free_pkts[i];
+ diff = (tx_lnk_free_pkts - lnk->prev_freed_pkts) & 0xff;
- if (diff == 0)
+ if (diff) {
+ lnk->allocated_pkts -= diff;
+ lnk->prev_freed_pkts = tx_lnk_free_pkts;
+ }
+
+ /* Get the current sec_pn16 value if present */
+ if (status->counters.tx_lnk_sec_pn16)
+ sec_pn16 = __le16_to_cpu(status->counters.tx_lnk_sec_pn16[i]);
+ else
+ sec_pn16 = 0;
+ /* prevent wrap-around in pn16 counter */
+ diff16 = (sec_pn16 - lnk->prev_sec_pn16) & 0xffff;
+
+ /* FIXME: since free_pkts is a 8-bit counter of packets that
+ * rolls over, it can become zero. If it is zero, then we
+ * omit processing below. Is that really correct?
+ */
+ if (tx_lnk_free_pkts <= 0)
continue;
- lnk->allocated_pkts -= diff;
- lnk->prev_freed_pkts = status->counters.tx_lnk_free_pkts[i];
+ /* For a station that has an authorized link: */
+ if (wlvifsta && wlvifsta->sta.hlid == i) {
+ if (wlvifsta->encryption_type == KEY_TKIP ||
+ wlvifsta->encryption_type == KEY_AES) {
+ if (diff16) {
+ lnk->prev_sec_pn16 = sec_pn16;
+ /* accumulate the prev_freed_pkts
+ * counter according to the PN from
+ * firmware
+ */
+ lnk->total_freed_pkts += diff16;
+ }
+ } else {
+ if (diff)
+ /* accumulate the prev_freed_pkts
+ * counter according to the free packets
+ * count from firmware
+ */
+ lnk->total_freed_pkts += diff;
+ }
+ }
- /* accumulate the prev_freed_pkts counter */
- lnk->total_freed_pkts += diff;
+ /* For an AP that has been started */
+ if (wlvifap && test_bit(i, wlvifap->ap.sta_hlid_map)) {
+ if (wlvifap->encryption_type == KEY_TKIP ||
+ wlvifap->encryption_type == KEY_AES) {
+ if (diff16) {
+ lnk->prev_sec_pn16 = sec_pn16;
+ /* accumulate the prev_freed_pkts
+ * counter according to the PN from
+ * firmware
+ */
+ lnk->total_freed_pkts += diff16;
+ }
+ } else {
+ if (diff)
+ /* accumulate the prev_freed_pkts
+ * counter according to the free packets
+ * count from firmware
+ */
+ lnk->total_freed_pkts += diff;
+ }
+ }
}
/* prevent wrap-around in total blocks counter */
@@ -2006,7 +2085,7 @@ static void wlcore_op_stop_locked(struct wl1271 *wl)
memset(wl->reg_ch_conf_last, 0, sizeof(wl->reg_ch_conf_last));
}
-static void wlcore_op_stop(struct ieee80211_hw *hw)
+static void wlcore_op_stop(struct ieee80211_hw *hw, bool suspend)
{
struct wl1271 *wl = hw->priv;
@@ -3537,6 +3616,10 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
return ret;
}
+ /* Store AP encryption key type */
+ if (wlvif->bss_type == BSS_TYPE_AP_BSS)
+ wlvif->encryption_type = key_type;
+
/*
* reconfiguring arp response if the unicast (or common)
* encryption key type was changed
diff --git a/drivers/net/wireless/ti/wlcore/wlcore_i.h b/drivers/net/wireless/ti/wlcore/wlcore_i.h
index 817a8a61cac6..5bdcb341629c 100644
--- a/drivers/net/wireless/ti/wlcore/wlcore_i.h
+++ b/drivers/net/wireless/ti/wlcore/wlcore_i.h
@@ -151,6 +151,9 @@ struct wl_fw_status {
*/
u8 *tx_lnk_free_pkts;
+ /* PN16 of last TKIP/AES seq-num per HLID */
+ __le16 *tx_lnk_sec_pn16;
+
/* Cumulative counter of released Voice memory blocks */
u8 tx_voice_released_blks;
@@ -259,6 +262,7 @@ struct wl1271_link {
/* accounting for allocated / freed packets in FW */
u8 allocated_pkts;
u8 prev_freed_pkts;
+ u16 prev_sec_pn16;
u8 addr[ETH_ALEN];
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-11-21 16:47:25 +0000