diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/scan.c')
-rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/scan.c | 97 |
1 files changed, 71 insertions, 26 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index 09eb72c4ae43..dac120f8861b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -70,6 +70,7 @@ #include "mvm.h" #include "fw-api-scan.h" +#include "iwl-io.h" #define IWL_DENSE_EBS_SCAN_RATIO 5 #define IWL_SPARSE_EBS_SCAN_RATIO 1 @@ -162,16 +163,16 @@ static inline __le16 iwl_mvm_scan_rx_chain(struct iwl_mvm *mvm) return cpu_to_le16(rx_chain); } -static __le32 iwl_mvm_scan_rxon_flags(enum ieee80211_band band) +static __le32 iwl_mvm_scan_rxon_flags(enum nl80211_band band) { - if (band == IEEE80211_BAND_2GHZ) + if (band == NL80211_BAND_2GHZ) return cpu_to_le32(PHY_BAND_24); else return cpu_to_le32(PHY_BAND_5); } static inline __le32 -iwl_mvm_scan_rate_n_flags(struct iwl_mvm *mvm, enum ieee80211_band band, +iwl_mvm_scan_rate_n_flags(struct iwl_mvm *mvm, enum nl80211_band band, bool no_cck) { u32 tx_ant; @@ -181,7 +182,7 @@ iwl_mvm_scan_rate_n_flags(struct iwl_mvm *mvm, enum ieee80211_band band, mvm->scan_last_antenna_idx); tx_ant = BIT(mvm->scan_last_antenna_idx) << RATE_MCS_ANT_POS; - if (band == IEEE80211_BAND_2GHZ && !no_cck) + if (band == NL80211_BAND_2GHZ && !no_cck) return cpu_to_le32(IWL_RATE_1M_PLCP | RATE_MCS_CCK_MSK | tx_ant); else @@ -390,14 +391,21 @@ void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, ieee80211_sched_scan_stopped(mvm->hw); mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED; } else if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) { + struct cfg80211_scan_info info = { + .aborted = aborted, + }; + IWL_DEBUG_SCAN(mvm, "Regular scan %s, EBS status %s (FW)\n", aborted ? "aborted" : "completed", iwl_mvm_ebs_status_str(scan_notif->ebs_status)); mvm->scan_status &= ~IWL_MVM_SCAN_REGULAR; - ieee80211_scan_completed(mvm->hw, - scan_notif->status == IWL_SCAN_OFFLOAD_ABORTED); + ieee80211_scan_completed(mvm->hw, &info); iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); + cancel_delayed_work(&mvm->scan_timeout_dwork); + } else { + IWL_ERR(mvm, + "got scan complete notification but no scan is running\n"); } mvm->last_ebs_successful = @@ -586,14 +594,14 @@ static void iwl_mvm_scan_fill_tx_cmd(struct iwl_mvm *mvm, tx_cmd[0].tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL | TX_CMD_FLG_BT_DIS); tx_cmd[0].rate_n_flags = iwl_mvm_scan_rate_n_flags(mvm, - IEEE80211_BAND_2GHZ, + NL80211_BAND_2GHZ, no_cck); tx_cmd[0].sta_id = mvm->aux_sta.sta_id; tx_cmd[1].tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL | TX_CMD_FLG_BT_DIS); tx_cmd[1].rate_n_flags = iwl_mvm_scan_rate_n_flags(mvm, - IEEE80211_BAND_5GHZ, + NL80211_BAND_5GHZ, no_cck); tx_cmd[1].sta_id = mvm->aux_sta.sta_id; } @@ -690,19 +698,19 @@ iwl_mvm_build_scan_probe(struct iwl_mvm *mvm, struct ieee80211_vif *vif, /* Insert ds parameter set element on 2.4 GHz band */ newpos = iwl_mvm_copy_and_insert_ds_elem(mvm, - ies->ies[IEEE80211_BAND_2GHZ], - ies->len[IEEE80211_BAND_2GHZ], + ies->ies[NL80211_BAND_2GHZ], + ies->len[NL80211_BAND_2GHZ], pos); params->preq.band_data[0].offset = cpu_to_le16(pos - params->preq.buf); params->preq.band_data[0].len = cpu_to_le16(newpos - pos); pos = newpos; - memcpy(pos, ies->ies[IEEE80211_BAND_5GHZ], - ies->len[IEEE80211_BAND_5GHZ]); + memcpy(pos, ies->ies[NL80211_BAND_5GHZ], + ies->len[NL80211_BAND_5GHZ]); params->preq.band_data[1].offset = cpu_to_le16(pos - params->preq.buf); params->preq.band_data[1].len = - cpu_to_le16(ies->len[IEEE80211_BAND_5GHZ]); - pos += ies->len[IEEE80211_BAND_5GHZ]; + cpu_to_le16(ies->len[NL80211_BAND_5GHZ]); + pos += ies->len[NL80211_BAND_5GHZ]; memcpy(pos, ies->common_ies, ies->common_ie_len); params->preq.common_data.offset = cpu_to_le16(pos - params->preq.buf); @@ -916,10 +924,10 @@ static __le32 iwl_mvm_scan_config_rates(struct iwl_mvm *mvm) unsigned int rates = 0; int i; - band = &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ]; + band = &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; for (i = 0; i < band->n_bitrates; i++) rates |= rate_to_scan_rate_flag(band->bitrates[i].hw_value); - band = &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ]; + band = &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; for (i = 0; i < band->n_bitrates; i++) rates |= rate_to_scan_rate_flag(band->bitrates[i].hw_value); @@ -934,8 +942,8 @@ int iwl_mvm_config_scan(struct iwl_mvm *mvm) struct iwl_scan_config *scan_config; struct ieee80211_supported_band *band; int num_channels = - mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels + - mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels; + mvm->nvm_data->bands[NL80211_BAND_2GHZ].n_channels + + mvm->nvm_data->bands[NL80211_BAND_5GHZ].n_channels; int ret, i, j = 0, cmd_size; struct iwl_host_cmd cmd = { .id = iwl_cmd_id(SCAN_CFG_CMD, IWL_ALWAYS_LONG_GROUP, 0), @@ -961,6 +969,7 @@ int iwl_mvm_config_scan(struct iwl_mvm *mvm) SCAN_CONFIG_FLAG_ALLOW_CHUB_REQS | SCAN_CONFIG_FLAG_SET_TX_CHAINS | SCAN_CONFIG_FLAG_SET_RX_CHAINS | + SCAN_CONFIG_FLAG_SET_AUX_STA_ID | SCAN_CONFIG_FLAG_SET_ALL_TIMES | SCAN_CONFIG_FLAG_SET_LEGACY_RATES | SCAN_CONFIG_FLAG_SET_MAC_ADDR | @@ -988,10 +997,10 @@ int iwl_mvm_config_scan(struct iwl_mvm *mvm) IWL_CHANNEL_FLAG_EBS_ADD | IWL_CHANNEL_FLAG_PRE_SCAN_PASSIVE2ACTIVE; - band = &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ]; + band = &mvm->nvm_data->bands[NL80211_BAND_2GHZ]; for (i = 0; i < band->n_channels; i++, j++) scan_config->channel_array[j] = band->channels[i].hw_value; - band = &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ]; + band = &mvm->nvm_data->bands[NL80211_BAND_5GHZ]; for (i = 0; i < band->n_channels; i++, j++) scan_config->channel_array[j] = band->channels[i].hw_value; @@ -1216,6 +1225,19 @@ static int iwl_mvm_check_running_scans(struct iwl_mvm *mvm, int type) return -EIO; } +#define SCAN_TIMEOUT 20000 + +void iwl_mvm_scan_timeout_wk(struct work_struct *work) +{ + struct delayed_work *delayed_work = to_delayed_work(work); + struct iwl_mvm *mvm = container_of(delayed_work, struct iwl_mvm, + scan_timeout_dwork); + + IWL_ERR(mvm, "regular scan timed out\n"); + + iwl_force_nmi(mvm->trans); +} + int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct cfg80211_scan_request *req, struct ieee80211_scan_ies *ies) @@ -1295,6 +1317,9 @@ int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, mvm->scan_status |= IWL_MVM_SCAN_REGULAR; iwl_mvm_ref(mvm, IWL_MVM_REF_SCAN); + queue_delayed_work(system_wq, &mvm->scan_timeout_dwork, + msecs_to_jiffies(SCAN_TIMEOUT)); + return 0; } @@ -1410,8 +1435,13 @@ void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, /* if the scan is already stopping, we don't need to notify mac80211 */ if (mvm->scan_uid_status[uid] == IWL_MVM_SCAN_REGULAR) { - ieee80211_scan_completed(mvm->hw, aborted); + struct cfg80211_scan_info info = { + .aborted = aborted, + }; + + ieee80211_scan_completed(mvm->hw, &info); iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); + cancel_delayed_work(&mvm->scan_timeout_dwork); } else if (mvm->scan_uid_status[uid] == IWL_MVM_SCAN_SCHED) { ieee80211_sched_scan_stopped(mvm->hw); mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED; @@ -1543,7 +1573,11 @@ void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm) uid = iwl_mvm_scan_uid_by_status(mvm, IWL_MVM_SCAN_REGULAR); if (uid >= 0) { - ieee80211_scan_completed(mvm->hw, true); + struct cfg80211_scan_info info = { + .aborted = true, + }; + + ieee80211_scan_completed(mvm->hw, &info); mvm->scan_uid_status[uid] = 0; } uid = iwl_mvm_scan_uid_by_status(mvm, IWL_MVM_SCAN_SCHED); @@ -1564,8 +1598,13 @@ void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm) mvm->scan_uid_status[i] = 0; } } else { - if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) - ieee80211_scan_completed(mvm->hw, true); + if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) { + struct cfg80211_scan_info info = { + .aborted = true, + }; + + ieee80211_scan_completed(mvm->hw, &info); + } /* Sched scan will be restarted by mac80211 in * restart_hw, so do not report if FW is about to be @@ -1607,8 +1646,14 @@ out: * to release the scan reference here. */ iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); - if (notify) - ieee80211_scan_completed(mvm->hw, true); + cancel_delayed_work(&mvm->scan_timeout_dwork); + if (notify) { + struct cfg80211_scan_info info = { + .aborted = true, + }; + + ieee80211_scan_completed(mvm->hw, &info); + } } else if (notify) { ieee80211_sched_scan_stopped(mvm->hw); mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED; |