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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.c86
1 files changed, 20 insertions, 66 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index 9c70118841d7..b891fa54fa4a 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -90,11 +90,9 @@ struct iwl_mvm_scan_params {
int n_match_sets;
struct iwl_scan_probe_req preq;
struct cfg80211_match_set *match_sets;
- struct _dwell {
- u16 passive;
- u16 active;
- u16 fragmented;
- } dwell[IEEE80211_NUM_BANDS];
+ u16 passive_dwell;
+ u16 active_dwell;
+ u16 fragmented_dwell;
struct {
u8 iterations;
u8 full_scan_mul; /* not used for UMAC */
@@ -147,34 +145,6 @@ iwl_mvm_scan_rate_n_flags(struct iwl_mvm *mvm, enum ieee80211_band band,
return cpu_to_le32(IWL_RATE_6M_PLCP | tx_ant);
}
-/*
- * If req->n_ssids > 0, it means we should do an active scan.
- * In case of active scan w/o directed scan, we receive a zero-length SSID
- * just to notify that this scan is active and not passive.
- * In order to notify the FW of the number of SSIDs we wish to scan (including
- * the zero-length one), we need to set the corresponding bits in chan->type,
- * one for each SSID, and set the active bit (first). If the first SSID is
- * already included in the probe template, so we need to set only
- * req->n_ssids - 1 bits in addition to the first bit.
- */
-static u16 iwl_mvm_get_active_dwell(struct iwl_mvm *mvm,
- enum ieee80211_band band, int n_ssids)
-{
- if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_BASIC_DWELL))
- return 10;
- if (band == IEEE80211_BAND_2GHZ)
- return 20 + 3 * (n_ssids + 1);
- return 10 + 2 * (n_ssids + 1);
-}
-
-static u16 iwl_mvm_get_passive_dwell(struct iwl_mvm *mvm,
- enum ieee80211_band band)
-{
- if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_BASIC_DWELL))
- return 110;
- return band == IEEE80211_BAND_2GHZ ? 100 + 20 : 100 + 10;
-}
-
static void iwl_mvm_scan_condition_iterator(void *data, u8 *mac,
struct ieee80211_vif *vif)
{
@@ -191,7 +161,6 @@ static void iwl_mvm_scan_calc_dwell(struct iwl_mvm *mvm,
struct iwl_mvm_scan_params *params)
{
int global_cnt = 0;
- enum ieee80211_band band;
u8 frag_passive_dwell = 0;
ieee80211_iterate_active_interfaces_atomic(mvm->hw,
@@ -227,14 +196,10 @@ static void iwl_mvm_scan_calc_dwell(struct iwl_mvm *mvm,
/*
* P2P device scan should not be fragmented to avoid negative
* impact on P2P device discovery. Configure max_out_time to be
- * equal to dwell time on passive channel. Take a longest
- * possible value, one that corresponds to 2GHz band
+ * equal to dwell time on passive channel.
*/
if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
- u32 passive_dwell =
- iwl_mvm_get_passive_dwell(mvm,
- IEEE80211_BAND_2GHZ);
- params->max_out_time = passive_dwell;
+ params->max_out_time = 120;
} else {
params->passive_fragmented = true;
}
@@ -246,30 +211,21 @@ static void iwl_mvm_scan_calc_dwell(struct iwl_mvm *mvm,
not_bound:
- for (band = IEEE80211_BAND_2GHZ; band < IEEE80211_NUM_BANDS; band++) {
- if (params->passive_fragmented)
- params->dwell[band].fragmented = frag_passive_dwell;
+ if (params->passive_fragmented)
+ params->fragmented_dwell = frag_passive_dwell;
+
+ /*
+ * use only basic dwell time in scan command, regardless of the band or
+ * the number of the probes. FW will calculate the actual dwell time.
+ */
+ params->passive_dwell = 110;
+ params->active_dwell = 10;
- params->dwell[band].passive = iwl_mvm_get_passive_dwell(mvm,
- band);
- params->dwell[band].active =
- iwl_mvm_get_active_dwell(mvm, band, params->n_ssids);
- }
IWL_DEBUG_SCAN(mvm,
"scan parameters: max_out_time %d, suspend_time %d, passive_fragmented %d\n",
params->max_out_time, params->suspend_time,
params->passive_fragmented);
- IWL_DEBUG_SCAN(mvm,
- "dwell[IEEE80211_BAND_2GHZ]: passive %d, active %d, fragmented %d\n",
- params->dwell[IEEE80211_BAND_2GHZ].passive,
- params->dwell[IEEE80211_BAND_2GHZ].active,
- params->dwell[IEEE80211_BAND_2GHZ].fragmented);
- IWL_DEBUG_SCAN(mvm,
- "dwell[IEEE80211_BAND_5GHZ]: passive %d, active %d, fragmented %d\n",
- params->dwell[IEEE80211_BAND_5GHZ].passive,
- params->dwell[IEEE80211_BAND_5GHZ].active,
- params->dwell[IEEE80211_BAND_5GHZ].fragmented);
}
static inline bool iwl_mvm_rrm_scan_needed(struct iwl_mvm *mvm)
@@ -743,11 +699,10 @@ static void iwl_mvm_scan_lmac_dwell(struct iwl_mvm *mvm,
struct iwl_scan_req_lmac *cmd,
struct iwl_mvm_scan_params *params)
{
- cmd->active_dwell = params->dwell[IEEE80211_BAND_2GHZ].active;
- cmd->passive_dwell = params->dwell[IEEE80211_BAND_2GHZ].passive;
+ cmd->active_dwell = params->active_dwell;
+ cmd->passive_dwell = params->passive_dwell;
if (params->passive_fragmented)
- cmd->fragmented_dwell =
- params->dwell[IEEE80211_BAND_2GHZ].fragmented;
+ cmd->fragmented_dwell = params->fragmented_dwell;
cmd->max_out_time = cpu_to_le32(params->max_out_time);
cmd->suspend_time = cpu_to_le32(params->suspend_time);
cmd->scan_prio = iwl_mvm_scan_priority(mvm, IWL_SCAN_PRIORITY_EXT_6);
@@ -1005,11 +960,10 @@ static void iwl_mvm_scan_umac_dwell(struct iwl_mvm *mvm,
struct iwl_scan_req_umac *cmd,
struct iwl_mvm_scan_params *params)
{
- cmd->active_dwell = params->dwell[IEEE80211_BAND_2GHZ].active;
- cmd->passive_dwell = params->dwell[IEEE80211_BAND_2GHZ].passive;
+ cmd->active_dwell = params->active_dwell;
+ cmd->passive_dwell = params->passive_dwell;
if (params->passive_fragmented)
- cmd->fragmented_dwell =
- params->dwell[IEEE80211_BAND_2GHZ].fragmented;
+ cmd->fragmented_dwell = params->fragmented_dwell;
cmd->max_out_time = cpu_to_le32(params->max_out_time);
cmd->suspend_time = cpu_to_le32(params->suspend_time);
cmd->scan_priority =
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 16:56:05 +0000