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path: root/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/scan.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/scan.c58
1 files changed, 40 insertions, 18 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
index 09eb72c4ae43..6f609dd5c222 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
@@ -398,6 +399,10 @@ void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
ieee80211_scan_completed(mvm->hw,
scan_notif->status == IWL_SCAN_OFFLOAD_ABORTED);
iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
+ del_timer(&mvm->scan_timer);
+ } else {
+ IWL_ERR(mvm,
+ "got scan complete notification but no scan is running\n");
}
mvm->last_ebs_successful =
@@ -586,14 +591,14 @@ 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 +695,19 @@ 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 +921,10 @@ 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 +939,8 @@ 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 +966,7 @@ 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 +994,10 @@ 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 +1222,18 @@ static int iwl_mvm_check_running_scans(struct iwl_mvm *mvm, int type)
return -EIO;
}
+#define SCAN_TIMEOUT (16 * HZ)
+
+void iwl_mvm_scan_timeout(unsigned long data)
+{
+ struct iwl_mvm *mvm = (struct iwl_mvm *)data;
+
+ IWL_ERR(mvm, "regular scan timed out\n");
+
+ del_timer(&mvm->scan_timer);
+ 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 +1313,8 @@ 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);
+ mod_timer(&mvm->scan_timer, jiffies + SCAN_TIMEOUT);
+
return 0;
}
@@ -1412,6 +1432,7 @@ void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
if (mvm->scan_uid_status[uid] == IWL_MVM_SCAN_REGULAR) {
ieee80211_scan_completed(mvm->hw, aborted);
iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
+ del_timer(&mvm->scan_timer);
} 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;
@@ -1607,6 +1628,7 @@ out:
* to release the scan reference here.
*/
iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
+ del_timer(&mvm->scan_timer);
if (notify)
ieee80211_scan_completed(mvm->hw, true);
} else if (notify) {
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