diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx/scan.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/scan.c | 104 |
1 files changed, 87 insertions, 17 deletions
diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c index edfe01c321ca..af4ad2353f59 100644 --- a/drivers/net/wireless/wl12xx/scan.c +++ b/drivers/net/wireless/wl12xx/scan.c @@ -33,6 +33,8 @@ void wl1271_scan_complete_work(struct work_struct *work) { struct delayed_work *dwork; struct wl1271 *wl; + int ret; + bool is_sta, is_ibss; dwork = container_of(work, struct delayed_work, work); wl = container_of(dwork, struct wl1271, scan_complete_work); @@ -50,21 +52,34 @@ void wl1271_scan_complete_work(struct work_struct *work) wl->scan.state = WL1271_SCAN_STATE_IDLE; memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); wl->scan.req = NULL; - ieee80211_scan_completed(wl->hw, false); - /* restore hardware connection monitoring template */ + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) { - if (wl1271_ps_elp_wakeup(wl) == 0) { - wl1271_cmd_build_ap_probe_req(wl, wl->probereq); - wl1271_ps_elp_sleep(wl); - } + /* restore hardware connection monitoring template */ + wl1271_cmd_build_ap_probe_req(wl, wl->probereq); } + /* return to ROC if needed */ + is_sta = (wl->bss_type == BSS_TYPE_STA_BSS); + is_ibss = (wl->bss_type == BSS_TYPE_IBSS); + if ((is_sta && !test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) || + (is_ibss && !test_bit(WL1271_FLAG_IBSS_JOINED, &wl->flags))) { + /* restore remain on channel */ + wl12xx_cmd_role_start_dev(wl); + wl12xx_roc(wl, wl->dev_role_id); + } + wl1271_ps_elp_sleep(wl); + if (wl->scan.failed) { wl1271_info("Scan completed due to error."); wl12xx_queue_recovery_work(wl); } + ieee80211_scan_completed(wl->hw, false); + out: mutex_unlock(&wl->mutex); @@ -156,6 +171,11 @@ static int wl1271_scan_send(struct wl1271 *wl, enum ieee80211_band band, if (passive || wl->scan.req->n_ssids == 0) scan_options |= WL1271_SCAN_OPT_PASSIVE; + if (WARN_ON(wl->role_id == WL12XX_INVALID_ROLE_ID)) { + ret = -EINVAL; + goto out; + } + cmd->params.role_id = wl->role_id; cmd->params.scan_options = cpu_to_le16(scan_options); cmd->params.n_ch = wl1271_get_scan_channels(wl, wl->scan.req, @@ -167,10 +187,6 @@ static int wl1271_scan_send(struct wl1271 *wl, enum ieee80211_band band, } cmd->params.tx_rate = cpu_to_le32(basic_rate); - cmd->params.rx_config_options = cpu_to_le32(CFG_RX_ALL_GOOD); - cmd->params.rx_filter_options = - cpu_to_le32(CFG_RX_PRSP_EN | CFG_RX_MGMT_EN | CFG_RX_BCN_EN); - cmd->params.n_probe_reqs = wl->conf.scan.num_probe_reqs; cmd->params.tx_rate = cpu_to_le32(basic_rate); cmd->params.tid_trigger = 0; @@ -186,6 +202,8 @@ static int wl1271_scan_send(struct wl1271 *wl, enum ieee80211_band band, memcpy(cmd->params.ssid, wl->scan.ssid, wl->scan.ssid_len); } + memcpy(cmd->addr, wl->mac_addr, ETH_ALEN); + ret = wl1271_cmd_build_probe_req(wl, wl->scan.ssid, wl->scan.ssid_len, wl->scan.req->ie, wl->scan.req->ie_len, band); @@ -455,6 +473,51 @@ wl1271_scan_sched_scan_channels(struct wl1271 *wl, cfg->passive[2] || cfg->active[2]; } +/* Returns 0 if no wildcard is used, 1 if wildcard is used or a + * negative value on error */ +static int +wl12xx_scan_sched_scan_ssid_list(struct wl1271 *wl, + struct cfg80211_sched_scan_request *req) +{ + struct wl1271_cmd_sched_scan_ssid_list *cmd = NULL; + struct cfg80211_ssid *ssid = req->ssids; + int ret, wildcard = 0; + + wl1271_debug(DEBUG_CMD, "cmd sched scan ssid list"); + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) + return -ENOMEM; + + while ((cmd->n_ssids < req->n_ssids) && ssid) { + if (ssid->ssid_len == 0) { + wildcard = 1; + cmd->ssids[cmd->n_ssids].type = SCAN_SSID_TYPE_PUBLIC; + } else { + cmd->ssids[cmd->n_ssids].type = SCAN_SSID_TYPE_HIDDEN; + } + cmd->ssids[cmd->n_ssids].len = ssid->ssid_len; + memcpy(cmd->ssids[cmd->n_ssids].ssid, ssid->ssid, + ssid->ssid_len); + ssid++; + cmd->n_ssids++; + } + + wl1271_dump(DEBUG_SCAN, "SSID_LIST: ", cmd, sizeof(*cmd)); + + ret = wl1271_cmd_send(wl, CMD_CONNECTION_SCAN_SSID_CFG, cmd, + sizeof(*cmd), 0); + if (ret < 0) { + wl1271_error("cmd sched scan ssid list failed"); + goto out; + } + + ret = wildcard; +out: + kfree(cmd); + return ret; +} + int wl1271_scan_sched_scan_config(struct wl1271 *wl, struct cfg80211_sched_scan_request *req, struct ieee80211_sched_scan_ies *ies) @@ -486,14 +549,21 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl, for (i = 0; i < SCAN_MAX_CYCLE_INTERVALS; i++) cfg->intervals[i] = cpu_to_le32(req->interval); - if (!force_passive && req->ssids[0].ssid_len && req->ssids[0].ssid) { - cfg->filter_type = SCAN_SSID_FILTER_SPECIFIC; - cfg->ssid_len = req->ssids[0].ssid_len; - memcpy(cfg->ssid, req->ssids[0].ssid, - req->ssids[0].ssid_len); - } else { + cfg->ssid_len = 0; + if (req->n_ssids == 0) { + wl1271_debug(DEBUG_SCAN, "using SCAN_SSID_FILTER_ANY"); cfg->filter_type = SCAN_SSID_FILTER_ANY; - cfg->ssid_len = 0; + } else { + ret = wl12xx_scan_sched_scan_ssid_list(wl, req); + if (ret < 0) + goto out; + if (ret) { + wl1271_debug(DEBUG_SCAN, "using SCAN_SSID_FILTER_DISABLED"); + cfg->filter_type = SCAN_SSID_FILTER_DISABLED; + } else { + wl1271_debug(DEBUG_SCAN, "using SCAN_SSID_FILTER_LIST"); + cfg->filter_type = SCAN_SSID_FILTER_LIST; + } } if (!wl1271_scan_sched_scan_channels(wl, req, cfg)) { |