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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.c88
1 files changed, 59 insertions, 29 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
index dac120f8861b..f279fdd6eb44 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
@@ -141,6 +141,7 @@ struct iwl_mvm_scan_params {
struct cfg80211_match_set *match_sets;
int n_scan_plans;
struct cfg80211_sched_scan_plan *scan_plans;
+ u32 measurement_dwell;
};
static u8 iwl_mvm_scan_rx_ant(struct iwl_mvm *mvm)
@@ -232,6 +233,27 @@ iwl_mvm_scan_type iwl_mvm_get_scan_type(struct iwl_mvm *mvm, bool p2p_device)
return IWL_SCAN_TYPE_WILD;
}
+static int
+iwl_mvm_get_measurement_dwell(struct iwl_mvm *mvm,
+ struct cfg80211_scan_request *req,
+ struct iwl_mvm_scan_params *params)
+{
+ if (!req->duration)
+ return 0;
+
+ if (req->duration_mandatory &&
+ req->duration > scan_timing[params->type].max_out_time) {
+ IWL_DEBUG_SCAN(mvm,
+ "Measurement scan - too long dwell %hu (max out time %u)\n",
+ req->duration,
+ scan_timing[params->type].max_out_time);
+ return -EOPNOTSUPP;
+ }
+
+ return min_t(u32, (u32)req->duration,
+ scan_timing[params->type].max_out_time);
+}
+
static inline bool iwl_mvm_rrm_scan_needed(struct iwl_mvm *mvm)
{
/* require rrm scan whenever the fw supports it */
@@ -717,22 +739,6 @@ iwl_mvm_build_scan_probe(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
params->preq.common_data.len = cpu_to_le16(ies->common_ie_len);
}
-static __le32 iwl_mvm_scan_priority(struct iwl_mvm *mvm,
- enum iwl_scan_priority_ext prio)
-{
- if (fw_has_api(&mvm->fw->ucode_capa,
- IWL_UCODE_TLV_API_EXT_SCAN_PRIORITY))
- return cpu_to_le32(prio);
-
- if (prio <= IWL_SCAN_PRIORITY_EXT_2)
- return cpu_to_le32(IWL_SCAN_PRIORITY_LOW);
-
- if (prio <= IWL_SCAN_PRIORITY_EXT_4)
- return cpu_to_le32(IWL_SCAN_PRIORITY_MEDIUM);
-
- return cpu_to_le32(IWL_SCAN_PRIORITY_HIGH);
-}
-
static void iwl_mvm_scan_lmac_dwell(struct iwl_mvm *mvm,
struct iwl_scan_req_lmac *cmd,
struct iwl_mvm_scan_params *params)
@@ -743,7 +749,7 @@ static void iwl_mvm_scan_lmac_dwell(struct iwl_mvm *mvm,
cmd->extended_dwell = scan_timing[params->type].dwell_extended;
cmd->max_out_time = cpu_to_le32(scan_timing[params->type].max_out_time);
cmd->suspend_time = cpu_to_le32(scan_timing[params->type].suspend_time);
- cmd->scan_prio = iwl_mvm_scan_priority(mvm, IWL_SCAN_PRIORITY_EXT_6);
+ cmd->scan_prio = cpu_to_le32(IWL_SCAN_PRIORITY_EXT_6);
}
static inline bool iwl_mvm_scan_fits(struct iwl_mvm *mvm, int n_ssids,
@@ -1033,21 +1039,24 @@ static void iwl_mvm_scan_umac_dwell(struct iwl_mvm *mvm,
struct iwl_scan_req_umac *cmd,
struct iwl_mvm_scan_params *params)
{
- cmd->extended_dwell = scan_timing[params->type].dwell_extended;
- cmd->active_dwell = scan_timing[params->type].dwell_active;
- cmd->passive_dwell = scan_timing[params->type].dwell_passive;
+ if (params->measurement_dwell) {
+ cmd->active_dwell = params->measurement_dwell;
+ cmd->passive_dwell = params->measurement_dwell;
+ cmd->extended_dwell = params->measurement_dwell;
+ } else {
+ cmd->active_dwell = scan_timing[params->type].dwell_active;
+ cmd->passive_dwell = scan_timing[params->type].dwell_passive;
+ cmd->extended_dwell = scan_timing[params->type].dwell_extended;
+ }
cmd->fragmented_dwell = scan_timing[params->type].dwell_fragmented;
cmd->max_out_time = cpu_to_le32(scan_timing[params->type].max_out_time);
cmd->suspend_time = cpu_to_le32(scan_timing[params->type].suspend_time);
- cmd->scan_priority =
- iwl_mvm_scan_priority(mvm, IWL_SCAN_PRIORITY_EXT_6);
+ cmd->scan_priority = cpu_to_le32(IWL_SCAN_PRIORITY_EXT_6);
if (iwl_mvm_is_regular_scan(params))
- cmd->ooc_priority =
- iwl_mvm_scan_priority(mvm, IWL_SCAN_PRIORITY_EXT_6);
+ cmd->ooc_priority = cpu_to_le32(IWL_SCAN_PRIORITY_EXT_6);
else
- cmd->ooc_priority =
- iwl_mvm_scan_priority(mvm, IWL_SCAN_PRIORITY_EXT_2);
+ cmd->ooc_priority = cpu_to_le32(IWL_SCAN_PRIORITY_EXT_2);
}
static void
@@ -1067,11 +1076,11 @@ iwl_mvm_umac_scan_cfg_channels(struct iwl_mvm *mvm,
}
}
-static u32 iwl_mvm_scan_umac_flags(struct iwl_mvm *mvm,
+static u16 iwl_mvm_scan_umac_flags(struct iwl_mvm *mvm,
struct iwl_mvm_scan_params *params,
struct ieee80211_vif *vif)
{
- int flags = 0;
+ u16 flags = 0;
if (params->n_ssids == 0)
flags = IWL_UMAC_SCAN_GEN_FLAGS_PASSIVE;
@@ -1093,6 +1102,9 @@ static u32 iwl_mvm_scan_umac_flags(struct iwl_mvm *mvm,
if (!iwl_mvm_is_regular_scan(params))
flags |= IWL_UMAC_SCAN_GEN_FLAGS_PERIODIC;
+ if (params->measurement_dwell)
+ flags |= IWL_UMAC_SCAN_GEN_FLAGS_ITER_COMPLETE;
+
#ifdef CONFIG_IWLWIFI_DEBUGFS
if (mvm->scan_iter_notif_enabled)
flags |= IWL_UMAC_SCAN_GEN_FLAGS_ITER_COMPLETE;
@@ -1119,6 +1131,7 @@ static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
mvm->fw->ucode_capa.n_scan_channels;
int uid, i;
u32 ssid_bitmap = 0;
+ struct iwl_mvm_vif *scan_vif = iwl_mvm_vif_from_mac80211(vif);
lockdep_assert_held(&mvm->mutex);
@@ -1136,8 +1149,9 @@ static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
mvm->scan_uid_status[uid] = type;
cmd->uid = cpu_to_le32(uid);
- cmd->general_flags = cpu_to_le32(iwl_mvm_scan_umac_flags(mvm, params,
+ cmd->general_flags = cpu_to_le16(iwl_mvm_scan_umac_flags(mvm, params,
vif));
+ cmd->scan_start_mac_id = scan_vif->id;
if (type == IWL_MVM_SCAN_SCHED || type == IWL_MVM_SCAN_NETDETECT)
cmd->flags = cpu_to_le32(IWL_UMAC_SCAN_FLAG_PREEMPTIVE);
@@ -1289,6 +1303,12 @@ int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
iwl_mvm_get_scan_type(mvm,
vif->type == NL80211_IFTYPE_P2P_DEVICE);
+ ret = iwl_mvm_get_measurement_dwell(mvm, req, &params);
+ if (ret < 0)
+ return ret;
+
+ params.measurement_dwell = ret;
+
iwl_mvm_build_scan_probe(mvm, vif, ies, &params);
if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) {
@@ -1315,6 +1335,7 @@ int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
IWL_DEBUG_SCAN(mvm, "Scan request was sent successfully\n");
mvm->scan_status |= IWL_MVM_SCAN_REGULAR;
+ mvm->scan_vif = iwl_mvm_vif_from_mac80211(vif);
iwl_mvm_ref(mvm, IWL_MVM_REF_SCAN);
queue_delayed_work(system_wq, &mvm->scan_timeout_dwork,
@@ -1437,9 +1458,12 @@ void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
if (mvm->scan_uid_status[uid] == IWL_MVM_SCAN_REGULAR) {
struct cfg80211_scan_info info = {
.aborted = aborted,
+ .scan_start_tsf = mvm->scan_start,
};
+ memcpy(info.tsf_bssid, mvm->scan_vif->bssid, ETH_ALEN);
ieee80211_scan_completed(mvm->hw, &info);
+ mvm->scan_vif = NULL;
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) {
@@ -1473,6 +1497,8 @@ void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
struct iwl_umac_scan_iter_complete_notif *notif = (void *)pkt->data;
u8 buf[256];
+ mvm->scan_start = le64_to_cpu(notif->start_tsf);
+
IWL_DEBUG_SCAN(mvm,
"UMAC Scan iteration complete: status=0x%x scanned_channels=%d channels list: %s\n",
notif->status, notif->scanned_channels,
@@ -1485,6 +1511,10 @@ void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
ieee80211_sched_scan_results(mvm->hw);
mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_ENABLED;
}
+
+ IWL_DEBUG_SCAN(mvm,
+ "UMAC Scan iteration complete: scan started at %llu (TSF)\n",
+ mvm->scan_start);
}
static int iwl_mvm_umac_scan_abort(struct iwl_mvm *mvm, int type)
generated by cgit (git 2.34.1) at 2024-06-12 05:11:11 +0000