diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/scan.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/scan.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index c91dc8498852..63e7b16edb55 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -348,7 +348,10 @@ int iwl_mvm_scan_request(struct iwl_mvm *mvm, struct iwl_mvm_scan_params params = {}; lockdep_assert_held(&mvm->mutex); - BUG_ON(mvm->scan_cmd == NULL); + + /* we should have failed registration if scan_cmd was NULL */ + if (WARN_ON(mvm->scan_cmd == NULL)) + return -ENOMEM; IWL_DEBUG_SCAN(mvm, "Handling mac80211 scan request\n"); mvm->scan_status = IWL_MVM_SCAN_OS; @@ -567,9 +570,13 @@ int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm, /* scan status must be locked for proper checking */ lockdep_assert_held(&mvm->mutex); - IWL_DEBUG_SCAN(mvm, "Scheduled scan completed, status %s\n", + IWL_DEBUG_SCAN(mvm, + "Scheduled scan completed, status %s EBS status %s:%d\n", scan_notif->status == IWL_SCAN_OFFLOAD_COMPLETED ? - "completed" : "aborted"); + "completed" : "aborted", scan_notif->ebs_status == + IWL_SCAN_EBS_SUCCESS ? "success" : "failed", + scan_notif->ebs_status); + /* only call mac80211 completion if the stop was initiated by FW */ if (mvm->scan_status == IWL_MVM_SCAN_SCHED) { @@ -577,6 +584,8 @@ int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm, ieee80211_sched_scan_stopped(mvm->hw); } + mvm->last_ebs_successful = !scan_notif->ebs_status; + return 0; } @@ -913,6 +922,11 @@ int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, scan_req.flags |= cpu_to_le16(IWL_SCAN_OFFLOAD_FLAG_PASS_ALL); } + if (mvm->last_ebs_successful && + mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_EBS_SUPPORT) + scan_req.flags |= + cpu_to_le16(IWL_SCAN_OFFLOAD_FLAG_EBS_ACCURATE_MODE); + return iwl_mvm_send_cmd_pdu(mvm, SCAN_OFFLOAD_REQUEST_CMD, CMD_SYNC, sizeof(scan_req), &scan_req); } |