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path: root/drivers/net/wireless/iwlwifi/mvm/scan.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/scan.c')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/scan.c68
1 files changed, 52 insertions, 16 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index 844bf7c4c8de..7e9aa3cb3254 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -99,7 +99,7 @@ static u8 iwl_mvm_scan_rx_ant(struct iwl_mvm *mvm)
{
if (mvm->scan_rx_ant != ANT_NONE)
return mvm->scan_rx_ant;
- return mvm->fw->valid_rx_ant;
+ return iwl_mvm_get_valid_rx_ant(mvm);
}
static inline __le16 iwl_mvm_scan_rx_chain(struct iwl_mvm *mvm)
@@ -130,7 +130,7 @@ iwl_mvm_scan_rate_n_flags(struct iwl_mvm *mvm, enum ieee80211_band band,
u32 tx_ant;
mvm->scan_last_antenna_idx =
- iwl_mvm_next_antenna(mvm, mvm->fw->valid_tx_ant,
+ iwl_mvm_next_antenna(mvm, iwl_mvm_get_valid_tx_ant(mvm),
mvm->scan_last_antenna_idx);
tx_ant = BIT(mvm->scan_last_antenna_idx) << RATE_MCS_ANT_POS;
@@ -290,11 +290,11 @@ static void iwl_mvm_scan_condition_iterator(void *data, u8 *mac,
struct ieee80211_vif *vif)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- bool *global_bound = data;
+ int *global_cnt = data;
if (vif->type != NL80211_IFTYPE_P2P_DEVICE && mvmvif->phy_ctxt &&
mvmvif->phy_ctxt->id < MAX_PHYS)
- *global_bound = true;
+ *global_cnt += 1;
}
static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm,
@@ -302,27 +302,31 @@ static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm,
int n_ssids, u32 flags,
struct iwl_mvm_scan_params *params)
{
- bool global_bound = false;
+ int global_cnt = 0;
enum ieee80211_band band;
u8 frag_passive_dwell = 0;
ieee80211_iterate_active_interfaces_atomic(mvm->hw,
IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_scan_condition_iterator,
- &global_bound);
+ &global_cnt);
- if (!global_bound)
+ if (!global_cnt)
goto not_bound;
params->suspend_time = 30;
- params->max_out_time = 170;
+ params->max_out_time = 120;
if (iwl_mvm_low_latency(mvm)) {
if (mvm->fw->ucode_capa.api[0] &
IWL_UCODE_TLV_API_FRAGMENTED_SCAN) {
params->suspend_time = 105;
- params->max_out_time = 70;
- frag_passive_dwell = 20;
+ /*
+ * If there is more than one active interface make
+ * passive scan more fragmented.
+ */
+ frag_passive_dwell = (global_cnt < 2) ? 40 : 20;
+ params->max_out_time = frag_passive_dwell;
} else {
params->suspend_time = 120;
params->max_out_time = 120;
@@ -539,6 +543,19 @@ int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
return 0;
}
+int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm,
+ struct iwl_rx_cmd_buffer *rxb,
+ struct iwl_device_cmd *cmd)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ struct iwl_scan_complete_notif *notif = (void *)pkt->data;
+
+ IWL_DEBUG_SCAN(mvm,
+ "Scan offload iteration complete: status=0x%x scanned channels=%d\n",
+ notif->status, notif->scanned_channels);
+ return 0;
+}
+
int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
@@ -687,7 +704,8 @@ int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
}
- mvm->last_ebs_successful = !ebs_status;
+ if (ebs_status)
+ mvm->last_ebs_successful = false;
return 0;
}
@@ -1480,6 +1498,11 @@ int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
if (req->n_ssids == 0)
flags |= IWL_MVM_LMAC_SCAN_FLAG_PASSIVE;
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ if (mvm->scan_iter_notif_enabled)
+ flags |= IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE;
+#endif
+
cmd->scan_flags |= cpu_to_le32(flags);
cmd->flags = iwl_mvm_scan_rxon_flags(req->channels[0]->band);
@@ -1641,7 +1664,7 @@ int iwl_mvm_config_scan(struct iwl_mvm *mvm)
SCAN_CONFIG_FLAG_SET_MAC_ADDR |
SCAN_CONFIG_FLAG_SET_CHANNEL_FLAGS|
SCAN_CONFIG_N_CHANNELS(num_channels));
- scan_config->tx_chains = cpu_to_le32(mvm->fw->valid_tx_ant);
+ scan_config->tx_chains = cpu_to_le32(iwl_mvm_get_valid_tx_ant(mvm));
scan_config->rx_chains = cpu_to_le32(iwl_mvm_scan_rx_ant(mvm));
scan_config->legacy_rates = iwl_mvm_scan_config_rates(mvm);
scan_config->out_of_channel_time = cpu_to_le32(170);
@@ -1660,10 +1683,10 @@ int iwl_mvm_config_scan(struct iwl_mvm *mvm)
band = &mvm->nvm_data->bands[IEEE80211_BAND_2GHZ];
for (i = 0; i < band->n_channels; i++, j++)
- scan_config->channel_array[j] = band->channels[i].center_freq;
+ scan_config->channel_array[j] = band->channels[i].hw_value;
band = &mvm->nvm_data->bands[IEEE80211_BAND_5GHZ];
for (i = 0; i < band->n_channels; i++, j++)
- scan_config->channel_array[j] = band->channels[i].center_freq;
+ scan_config->channel_array[j] = band->channels[i].hw_value;
cmd.data[0] = scan_config;
cmd.len[0] = cmd_size;
@@ -1840,6 +1863,13 @@ int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
flags |= IWL_UMAC_SCAN_GEN_FLAGS_PASS_ALL;
cmd->general_flags = cpu_to_le32(flags);
+
+ if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_SINGLE_SCAN_EBS &&
+ mvm->last_ebs_successful)
+ cmd->channel_flags = IWL_SCAN_CHANNEL_FLAG_EBS |
+ IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE |
+ IWL_SCAN_CHANNEL_FLAG_CACHE_ADD;
+
cmd->n_channels = req->req.n_channels;
for (i = 0; i < req->req.n_ssids; i++)
@@ -2003,7 +2033,9 @@ int iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
notif->ebs_status == IWL_SCAN_EBS_SUCCESS ?
"success" : "failed");
- mvm->last_ebs_successful = !notif->ebs_status;
+ if (notif->ebs_status)
+ mvm->last_ebs_successful = false;
+
mvm->scan_uid[uid_idx] = 0;
if (!sched) {
@@ -2036,10 +2068,14 @@ static bool iwl_scan_umac_done_check(struct iwl_notif_wait_data *notif_wait,
/*
* Clear scan uid of scans that was aborted from above and completed
- * in FW so the RX handler does nothing.
+ * in FW so the RX handler does nothing. Set last_ebs_successful here if
+ * needed.
*/
scan_done->mvm->scan_uid[uid_idx] = 0;
+ if (notif->ebs_status)
+ scan_done->mvm->last_ebs_successful = false;
+
return !iwl_mvm_find_scan_type(scan_done->mvm, scan_done->type);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.