diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_event.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_event.c | 69 |
1 files changed, 35 insertions, 34 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c index 7468ef10194b..cf37aa6eb137 100644 --- a/drivers/net/wireless/wl12xx/wl1271_event.c +++ b/drivers/net/wireless/wl12xx/wl1271_event.c @@ -23,7 +23,6 @@ #include "wl1271.h" #include "wl1271_reg.h" -#include "wl1271_spi.h" #include "wl1271_io.h" #include "wl1271_event.h" #include "wl1271_ps.h" @@ -32,34 +31,24 @@ static int wl1271_event_scan_complete(struct wl1271 *wl, struct event_mailbox *mbox) { - int size = sizeof(struct wl12xx_probe_req_template); wl1271_debug(DEBUG_EVENT, "status: 0x%x", mbox->scheduled_scan_status); if (test_bit(WL1271_FLAG_SCANNING, &wl->flags)) { if (wl->scan.state == WL1271_SCAN_BAND_DUAL) { - wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, - NULL, size); /* 2.4 GHz band scanned, scan 5 GHz band, pretend * to the wl1271_cmd_scan function that we are not * scanning as it checks that. */ clear_bit(WL1271_FLAG_SCANNING, &wl->flags); + /* FIXME: ie missing! */ wl1271_cmd_scan(wl, wl->scan.ssid, wl->scan.ssid_len, + NULL, 0, wl->scan.active, wl->scan.high_prio, WL1271_SCAN_BAND_5_GHZ, wl->scan.probe_requests); } else { - if (wl->scan.state == WL1271_SCAN_BAND_2_4_GHZ) - wl1271_cmd_template_set(wl, - CMD_TEMPL_CFG_PROBE_REQ_2_4, - NULL, size); - else - wl1271_cmd_template_set(wl, - CMD_TEMPL_CFG_PROBE_REQ_5, - NULL, size); - mutex_unlock(&wl->mutex); ieee80211_scan_completed(wl->hw, false); mutex_lock(&wl->mutex); @@ -92,16 +81,9 @@ static int wl1271_event_ps_report(struct wl1271 *wl, ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, true); } else { - wl1271_error("PSM entry failed, giving up.\n"); - /* FIXME: this may need to be reconsidered. for now it - is not possible to indicate to the mac80211 - afterwards that PSM entry failed. To maximize - functionality (receiving data and remaining - associated) make sure that we are in sync with the - AP in regard of PSM mode. */ - ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, - false); + wl1271_info("No ack to nullfunc from AP."); wl->psm_entry_retry = 0; + *beacon_loss = true; } break; case EVENT_ENTER_POWER_SAVE_SUCCESS: @@ -143,6 +125,24 @@ static int wl1271_event_ps_report(struct wl1271 *wl, return ret; } +static void wl1271_event_rssi_trigger(struct wl1271 *wl, + struct event_mailbox *mbox) +{ + enum nl80211_cqm_rssi_threshold_event event; + s8 metric = mbox->rssi_snr_trigger_metric[0]; + + wl1271_debug(DEBUG_EVENT, "RSSI trigger metric: %d", metric); + + if (metric <= wl->rssi_thold) + event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; + else + event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH; + + if (event != wl->last_rssi_event) + ieee80211_cqm_rssi_notify(wl->vif, event, GFP_KERNEL); + wl->last_rssi_event = event; +} + static void wl1271_event_mbox_dump(struct event_mailbox *mbox) { wl1271_debug(DEBUG_EVENT, "MBOX DUMP:"); @@ -172,10 +172,13 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox) * The BSS_LOSE_EVENT_ID is only needed while psm (and hence beacon * filtering) is enabled. Without PSM, the stack will receive all * beacons and can detect beacon loss by itself. + * + * As there's possibility that the driver disables PSM before receiving + * BSS_LOSE_EVENT, beacon loss has to be reported to the stack. + * */ - if (vector & BSS_LOSE_EVENT_ID && - test_bit(WL1271_FLAG_PSM, &wl->flags)) { - wl1271_debug(DEBUG_EVENT, "BSS_LOSE_EVENT"); + if (vector & BSS_LOSE_EVENT_ID) { + wl1271_info("Beacon loss detected."); /* indicate to the stack, that beacons have been lost */ beacon_loss = true; @@ -188,17 +191,15 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox) return ret; } - if (wl->vif && beacon_loss) { - /* Obviously, it's dangerous to release the mutex while - we are holding many of the variables in the wl struct. - That's why it's done last in the function, and care must - be taken that nothing more is done after this function - returns. */ - mutex_unlock(&wl->mutex); - ieee80211_beacon_loss(wl->vif); - mutex_lock(&wl->mutex); + if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) { + wl1271_debug(DEBUG_EVENT, "RSSI_SNR_TRIGGER_0_EVENT"); + if (wl->vif) + wl1271_event_rssi_trigger(wl, mbox); } + if (wl->vif && beacon_loss) + ieee80211_connection_loss(wl->vif); + return 0; } |