static void iwl_process_scan_complete(struct iwl_priv *priv) { bool aborted; lockdep_assert_held(&priv->mutex); if (!test_and_clear_bit(STATUS_SCAN_COMPLETE, &priv->status)) return; IWL_DEBUG_SCAN(priv, "Completed scan.\n"); cancel_delayed_work(&priv->scan_check); aborted = test_and_clear_bit(STATUS_SCAN_ABORTING, &priv->status); if (aborted) IWL_DEBUG_SCAN(priv, "Aborted scan completed.\n"); if (!test_and_clear_bit(STATUS_SCANNING, &priv->status)) { IWL_DEBUG_SCAN(priv, "Scan already completed.\n"); goto out_settings; } if (priv->scan_type != IWL_SCAN_NORMAL && !aborted) { int err; /* Check if mac80211 requested scan during our internal scan */ if (priv->scan_request == NULL) goto out_complete; /* If so request a new scan */ err = iwl_scan_initiate(priv, priv->scan_vif, IWL_SCAN_NORMAL, priv->scan_request->channels[0]->band); if (err) { IWL_DEBUG_SCAN(priv, "failed to initiate pending scan: %d\n", err); aborted = true; goto out_complete; } return; } out_complete: iwl_complete_scan(priv, aborted); out_settings: /* Can we still talk to firmware ? */ if (!iwl_is_ready_rf(priv)) return; iwlagn_post_scan(priv); }
void iwl_force_scan_end(struct iwl_priv *priv) { lockdep_assert_held(&priv->mutex); if (!test_bit(STATUS_SCANNING, &priv->status)) { IWL_DEBUG_SCAN(priv, "Forcing scan end while not scanning\n"); return; } IWL_DEBUG_SCAN(priv, "Forcing scan end\n"); clear_bit(STATUS_SCANNING, &priv->status); clear_bit(STATUS_SCAN_HW, &priv->status); clear_bit(STATUS_SCAN_ABORTING, &priv->status); iwl_complete_scan(priv, true); }
static int iwl_send_scan_abort(struct iwl_priv *priv) { int ret; struct iwl_host_cmd cmd = { .id = REPLY_SCAN_ABORT_CMD, .flags = CMD_SYNC | CMD_WANT_SKB, }; __le32 *status; /* Exit instantly with error when device is not ready * to receive scan abort command or it does not perform * hardware scan currently */ if (!test_bit(STATUS_READY, &priv->status) || !test_bit(STATUS_SCAN_HW, &priv->status) || test_bit(STATUS_FW_ERROR, &priv->status)) return -EIO; ret = iwl_dvm_send_cmd(priv, &cmd); if (ret) return ret; status = (void *)cmd.resp_pkt->data; if (*status != CAN_ABORT_STATUS) { /* The scan abort will return 1 for success or * 2 for "failure". A failure condition can be * due to simply not being in an active scan which * can occur if we send the scan abort before we * the microcode has notified us that a scan is * completed. */ IWL_DEBUG_SCAN(priv, "SCAN_ABORT ret %d.\n", le32_to_cpu(*status)); ret = -EIO; } iwl_free_resp(&cmd); return ret; } static void iwl_complete_scan(struct iwl_priv *priv, bool aborted) { /* check if scan was requested from mac80211 */ if (priv->scan_request) { IWL_DEBUG_SCAN(priv, "Complete scan in mac80211\n"); ieee80211_scan_completed(priv->hw, aborted); } priv->scan_type = IWL_SCAN_NORMAL; priv->scan_vif = NULL; priv->scan_request = NULL; } static void iwl_process_scan_complete(struct iwl_priv *priv) { bool aborted; lockdep_assert_held(&priv->mutex); if (!test_and_clear_bit(STATUS_SCAN_COMPLETE, &priv->status)) return; IWL_DEBUG_SCAN(priv, "Completed scan.\n"); cancel_delayed_work(&priv->scan_check); aborted = test_and_clear_bit(STATUS_SCAN_ABORTING, &priv->status); if (aborted) IWL_DEBUG_SCAN(priv, "Aborted scan completed.\n"); if (!test_and_clear_bit(STATUS_SCANNING, &priv->status)) { IWL_DEBUG_SCAN(priv, "Scan already completed.\n"); goto out_settings; } if (priv->scan_type != IWL_SCAN_NORMAL && !aborted) { int err; /* Check if mac80211 requested scan during our internal scan */ if (priv->scan_request == NULL) goto out_complete; /* If so request a new scan */ err = iwl_scan_initiate(priv, priv->scan_vif, IWL_SCAN_NORMAL, priv->scan_request->channels[0]->band); if (err) { IWL_DEBUG_SCAN(priv, "failed to initiate pending scan: %d\n", err); aborted = true; goto out_complete; } return; } out_complete: iwl_complete_scan(priv, aborted); out_settings: /* Can we still talk to firmware ? */ if (!iwl_is_ready_rf(priv)) return; iwlagn_post_scan(priv); }
static int iwl_send_scan_abort(struct iwl_priv *priv) { int ret; struct iwl_rx_packet *pkt; struct iwl_host_cmd cmd = { .id = REPLY_SCAN_ABORT_CMD, .flags = CMD_SYNC | CMD_WANT_SKB, }; /* Exit instantly with error when device is not ready * to receive scan abort command or it does not perform * hardware scan currently */ if (!test_bit(STATUS_READY, &priv->status) || !test_bit(STATUS_GEO_CONFIGURED, &priv->status) || !test_bit(STATUS_SCAN_HW, &priv->status) || test_bit(STATUS_FW_ERROR, &priv->status) || test_bit(STATUS_EXIT_PENDING, &priv->status)) return -EIO; ret = trans_send_cmd(&priv->trans, &cmd); if (ret) return ret; pkt = (struct iwl_rx_packet *)cmd.reply_page; if (pkt->u.status != CAN_ABORT_STATUS) { /* The scan abort will return 1 for success or * 2 for "failure". A failure condition can be * due to simply not being in an active scan which * can occur if we send the scan abort before we * the microcode has notified us that a scan is * completed. */ IWL_DEBUG_SCAN(priv, "SCAN_ABORT ret %d.\n", pkt->u.status); ret = -EIO; } iwl_free_pages(priv, cmd.reply_page); return ret; } static void iwl_complete_scan(struct iwl_priv *priv, bool aborted) { /* check if scan was requested from mac80211 */ if (priv->scan_request) { IWL_DEBUG_SCAN(priv, "Complete scan in mac80211\n"); ieee80211_scan_completed(priv->hw, aborted); } priv->scan_type = IWL_SCAN_NORMAL; priv->scan_vif = NULL; priv->scan_request = NULL; } void iwl_force_scan_end(struct iwl_priv *priv) { lockdep_assert_held(&priv->mutex); if (!test_bit(STATUS_SCANNING, &priv->status)) { IWL_DEBUG_SCAN(priv, "Forcing scan end while not scanning\n"); return; } IWL_DEBUG_SCAN(priv, "Forcing scan end\n"); clear_bit(STATUS_SCANNING, &priv->status); clear_bit(STATUS_SCAN_HW, &priv->status); clear_bit(STATUS_SCAN_ABORTING, &priv->status); iwl_complete_scan(priv, true); }
static int iwl_send_scan_abort(struct iwl_priv *priv) { int ret; struct iwl_host_cmd cmd = { .id = REPLY_SCAN_ABORT_CMD, .flags = CMD_SYNC | CMD_WANT_SKB, }; __le32 *status; if (!test_bit(STATUS_READY, &priv->status) || !test_bit(STATUS_GEO_CONFIGURED, &priv->status) || !test_bit(STATUS_SCAN_HW, &priv->status) || test_bit(STATUS_FW_ERROR, &priv->shrd->status)) return -EIO; ret = iwl_dvm_send_cmd(priv, &cmd); if (ret) return ret; status = (void *)cmd.resp_pkt->data; if (*status != CAN_ABORT_STATUS) { IWL_DEBUG_SCAN(priv, "SCAN_ABORT ret %d.\n", le32_to_cpu(*status)); ret = -EIO; } iwl_free_resp(&cmd); return ret; } static void iwl_complete_scan(struct iwl_priv *priv, bool aborted) { if (priv->scan_request) { IWL_DEBUG_SCAN(priv, "Complete scan in mac80211\n"); ieee80211_scan_completed(priv->hw, aborted); } if (priv->scan_type == IWL_SCAN_ROC) { ieee80211_remain_on_channel_expired(priv->hw); priv->hw_roc_channel = NULL; schedule_delayed_work(&priv->hw_roc_disable_work, 10 * HZ); } priv->scan_type = IWL_SCAN_NORMAL; priv->scan_vif = NULL; priv->scan_request = NULL; } static void iwl_process_scan_complete(struct iwl_priv *priv) { bool aborted; lockdep_assert_held(&priv->mutex); if (!test_and_clear_bit(STATUS_SCAN_COMPLETE, &priv->status)) return; IWL_DEBUG_SCAN(priv, "Completed scan.\n"); cancel_delayed_work(&priv->scan_check); aborted = test_and_clear_bit(STATUS_SCAN_ABORTING, &priv->status); if (aborted) IWL_DEBUG_SCAN(priv, "Aborted scan completed.\n"); if (!test_and_clear_bit(STATUS_SCANNING, &priv->status)) { IWL_DEBUG_SCAN(priv, "Scan already completed.\n"); goto out_settings; } if (priv->scan_type == IWL_SCAN_ROC) { ieee80211_remain_on_channel_expired(priv->hw); priv->hw_roc_channel = NULL; schedule_delayed_work(&priv->hw_roc_disable_work, 10 * HZ); } if (priv->scan_type != IWL_SCAN_NORMAL && !aborted) { int err; if (priv->scan_request == NULL) goto out_complete; err = iwl_scan_initiate(priv, priv->scan_vif, IWL_SCAN_NORMAL, priv->scan_request->channels[0]->band); if (err) { IWL_DEBUG_SCAN(priv, "failed to initiate pending scan: %d\n", err); aborted = true; goto out_complete; } return; } out_complete: iwl_complete_scan(priv, aborted); out_settings: if (!iwl_is_ready_rf(priv)) return; iwlagn_post_scan(priv); }