From: Ilan Peer <[email protected]>
Add support for scan request command version 17, which supports
specifying the maximal EIRP PSD value that can be used for
probe request transmission on a given channel.
Signed-off-by: Ilan Peer <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
---
.../net/wireless/intel/iwlwifi/fw/api/scan.h | 28 +++--
drivers/net/wireless/intel/iwlwifi/mvm/scan.c | 113 +++++++++++++-----
2 files changed, 99 insertions(+), 42 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h b/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h
index 9cbeef16cfe5..93078f8cc08c 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h
@@ -727,8 +727,10 @@ enum iwl_umac_scan_general_params_flags2 {
* @iter_interval: interval between two scan iterations on one channel.
*/
struct iwl_scan_channel_cfg_umac {
+#define IWL_CHAN_CFG_FLAGS_BAND_POS 30
__le32 flags;
- /* Both versions are of the same size, so use a union without adjusting
+
+ /* All versions are of the same size, so use a union without adjusting
* the command size later
*/
union {
@@ -746,6 +748,12 @@ struct iwl_scan_channel_cfg_umac {
* SCAN_CHANNEL_CONFIG_API_S_VER_3
* SCAN_CHANNEL_CONFIG_API_S_VER_4
*/
+ struct {
+ u8 channel_num;
+ u8 psd_20;
+ u8 iter_count;
+ u8 iter_interval;
+ } v5; /* SCAN_CHANNEL_CONFIG_API_S_VER_5 */
};
} __packed;
@@ -982,7 +990,7 @@ struct iwl_scan_channel_params_v4 {
SCAN_CHANNEL_PARAMS_API_S_VER_5 */
/**
- * struct iwl_scan_channel_params_v6
+ * struct iwl_scan_channel_params_v7
* @flags: channel flags &enum iwl_scan_channel_flags
* @count: num of channels in scan request
* @n_aps_override: override the number of APs the FW uses to calculate dwell
@@ -992,7 +1000,7 @@ struct iwl_scan_channel_params_v4 {
* @channel_config: array of explicit channel configurations
* for 2.4Ghz and 5.2Ghz bands
*/
-struct iwl_scan_channel_params_v6 {
+struct iwl_scan_channel_params_v7 {
u8 flags;
u8 count;
u8 n_aps_override[2];
@@ -1070,16 +1078,16 @@ struct iwl_scan_req_params_v12 {
/**
* struct iwl_scan_req_params_v16
* @general_params: &struct iwl_scan_general_params_v11
- * @channel_params: &struct iwl_scan_channel_params_v6
+ * @channel_params: &struct iwl_scan_channel_params_v7
* @periodic_params: &struct iwl_scan_periodic_parms_v1
* @probe_params: &struct iwl_scan_probe_params_v4
*/
-struct iwl_scan_req_params_v16 {
+struct iwl_scan_req_params_v17 {
struct iwl_scan_general_params_v11 general_params;
- struct iwl_scan_channel_params_v6 channel_params;
+ struct iwl_scan_channel_params_v7 channel_params;
struct iwl_scan_periodic_parms_v1 periodic_params;
struct iwl_scan_probe_params_v4 probe_params;
-} __packed; /* SCAN_REQUEST_PARAMS_API_S_VER_16, *_VER_15 and *_VER_14 */
+} __packed; /* SCAN_REQUEST_PARAMS_API_S_VER_17 - 14 */
/**
* struct iwl_scan_req_umac_v12
@@ -1099,11 +1107,11 @@ struct iwl_scan_req_umac_v12 {
* @ooc_priority: out of channel priority - &enum iwl_scan_priority
* @scan_params: scan parameters
*/
-struct iwl_scan_req_umac_v16 {
+struct iwl_scan_req_umac_v17 {
__le32 uid;
__le32 ooc_priority;
- struct iwl_scan_req_params_v16 scan_params;
-} __packed; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_16, *_VER_15 and *_VER_14 */
+ struct iwl_scan_req_params_v17 scan_params;
+} __packed; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_17 - 14 */
/**
* struct iwl_umac_scan_abort
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
index b2154e9fcf01..c1d9ce753468 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
@@ -1627,11 +1627,11 @@ iwl_mvm_umac_scan_cfg_channels_v4(struct iwl_mvm *mvm,
}
static void
-iwl_mvm_umac_scan_cfg_channels_v6(struct iwl_mvm *mvm,
+iwl_mvm_umac_scan_cfg_channels_v7(struct iwl_mvm *mvm,
struct ieee80211_channel **channels,
- struct iwl_scan_channel_params_v6 *cp,
+ struct iwl_scan_channel_params_v7 *cp,
int n_channels, u32 flags,
- enum nl80211_iftype vif_type)
+ enum nl80211_iftype vif_type, u32 version)
{
int i;
@@ -1641,14 +1641,19 @@ iwl_mvm_umac_scan_cfg_channels_v6(struct iwl_mvm *mvm,
u32 n_aps_flag =
iwl_mvm_scan_ch_n_aps_flag(vif_type,
channels[i]->hw_value);
+ u8 iwl_band = iwl_mvm_phy_band_from_nl80211(band);
cfg->flags = cpu_to_le32(flags | n_aps_flag);
cfg->v2.channel_num = channels[i]->hw_value;
- cfg->v2.band = iwl_mvm_phy_band_from_nl80211(band);
if (cfg80211_channel_is_psc(channels[i]))
cfg->flags = 0;
cfg->v2.iter_count = 1;
cfg->v2.iter_interval = 0;
+ if (version < 17)
+ cfg->v2.band = iwl_band;
+ else
+ cfg->flags |= cpu_to_le32((iwl_band <<
+ IWL_CHAN_CFG_FLAGS_BAND_POS));
}
}
@@ -1723,14 +1728,15 @@ iwl_mvm_umac_scan_fill_6g_chan_list(struct iwl_mvm *mvm,
pp->bssid_num = idex_b;
}
-/* TODO: this function can be merged with iwl_mvm_scan_umac_fill_ch_p_v6 */
+/* TODO: this function can be merged with iwl_mvm_scan_umac_fill_ch_p_v7 */
static u32
-iwl_mvm_umac_scan_cfg_channels_v6_6g(struct iwl_mvm *mvm,
+iwl_mvm_umac_scan_cfg_channels_v7_6g(struct iwl_mvm *mvm,
struct iwl_mvm_scan_params *params,
u32 n_channels,
struct iwl_scan_probe_params_v4 *pp,
- struct iwl_scan_channel_params_v6 *cp,
- enum nl80211_iftype vif_type)
+ struct iwl_scan_channel_params_v7 *cp,
+ enum nl80211_iftype vif_type,
+ u32 version)
{
int i;
struct cfg80211_scan_6ghz_params *scan_6ghz_params =
@@ -1745,6 +1751,7 @@ iwl_mvm_umac_scan_cfg_channels_v6_6g(struct iwl_mvm *mvm,
u8 j, k, s_max = 0, b_max = 0, n_used_bssid_entries;
bool force_passive, found = false, allow_passive = true,
unsolicited_probe_on_chan = false, psc_no_listen = false;
+ s8 psd_20 = IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED;
/*
* Avoid performing passive scan on non PSC channels unless the
@@ -1756,9 +1763,14 @@ iwl_mvm_umac_scan_cfg_channels_v6_6g(struct iwl_mvm *mvm,
continue;
cfg->v1.channel_num = params->channels[i]->hw_value;
- cfg->v2.band = 2;
- cfg->v2.iter_count = 1;
- cfg->v2.iter_interval = 0;
+ if (version < 17)
+ cfg->v2.band = PHY_BAND_6;
+ else
+ cfg->flags |= cpu_to_le32(PHY_BAND_6 <<
+ IWL_CHAN_CFG_FLAGS_BAND_POS);
+
+ cfg->v5.iter_count = 1;
+ cfg->v5.iter_interval = 0;
/*
* The optimize the scan time, i.e., reduce the scan dwell time
@@ -1769,9 +1781,22 @@ iwl_mvm_umac_scan_cfg_channels_v6_6g(struct iwl_mvm *mvm,
*/
n_used_bssid_entries = 3;
for (j = 0; j < params->n_6ghz_params; j++) {
+ s8 tmp_psd_20;
+
if (!(scan_6ghz_params[j].channel_idx == i))
continue;
+ /* Use the highest PSD value allowed as advertised by
+ * APs for this channel
+ */
+ tmp_psd_20 = scan_6ghz_params[j].psd_20;
+ if (tmp_psd_20 !=
+ IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED &&
+ (psd_20 ==
+ IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED ||
+ psd_20 < tmp_psd_20))
+ psd_20 = tmp_psd_20;
+
found = false;
unsolicited_probe_on_chan |=
scan_6ghz_params[j].unsolicited_probe;
@@ -1875,6 +1900,9 @@ iwl_mvm_umac_scan_cfg_channels_v6_6g(struct iwl_mvm *mvm,
flags |= bssid_bitmap | (s_ssid_bitmap << 16);
cfg->flags |= cpu_to_le32(flags);
+ if (version >= 17)
+ cfg->v5.psd_20 = psd_20;
+
ch_cnt++;
}
@@ -2369,21 +2397,22 @@ iwl_mvm_scan_umac_fill_ch_p_v4(struct iwl_mvm *mvm,
}
static void
-iwl_mvm_scan_umac_fill_ch_p_v6(struct iwl_mvm *mvm,
+iwl_mvm_scan_umac_fill_ch_p_v7(struct iwl_mvm *mvm,
struct iwl_mvm_scan_params *params,
struct ieee80211_vif *vif,
- struct iwl_scan_channel_params_v6 *cp,
- u32 channel_cfg_flags)
+ struct iwl_scan_channel_params_v7 *cp,
+ u32 channel_cfg_flags,
+ u32 version)
{
cp->flags = iwl_mvm_scan_umac_chan_flags_v2(mvm, params, vif);
cp->count = params->n_channels;
cp->n_aps_override[0] = IWL_SCAN_ADWELL_N_APS_GO_FRIENDLY;
cp->n_aps_override[1] = IWL_SCAN_ADWELL_N_APS_SOCIAL_CHS;
- iwl_mvm_umac_scan_cfg_channels_v6(mvm, params->channels, cp,
+ iwl_mvm_umac_scan_cfg_channels_v7(mvm, params->channels, cp,
params->n_channels,
channel_cfg_flags,
- vif->type);
+ vif->type, version);
if (params->enable_6ghz_passive) {
struct ieee80211_supported_band *sband =
@@ -2400,11 +2429,19 @@ iwl_mvm_scan_umac_fill_ch_p_v6(struct iwl_mvm *mvm,
if (!cfg80211_channel_is_psc(channel))
continue;
- cfg->flags = 0;
- cfg->v2.channel_num = channel->hw_value;
- cfg->v2.band = PHY_BAND_6;
- cfg->v2.iter_count = 1;
- cfg->v2.iter_interval = 0;
+ cfg->v5.channel_num = channel->hw_value;
+ cfg->v5.iter_count = 1;
+ cfg->v5.iter_interval = 0;
+
+ if (version < 17) {
+ cfg->flags = 0;
+ cfg->v2.band = PHY_BAND_6;
+ } else {
+ cfg->flags = cpu_to_le32(PHY_BAND_6 <<
+ IWL_CHAN_CFG_FLAGS_BAND_POS);
+ cfg->v5.psd_20 =
+ IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED;
+ }
cp->count++;
}
}
@@ -2447,9 +2484,9 @@ static int iwl_mvm_scan_umac_v14_and_above(struct iwl_mvm *mvm,
struct iwl_mvm_scan_params *params,
int type, int uid, u32 version)
{
- struct iwl_scan_req_umac_v16 *cmd = mvm->scan_cmd;
- struct iwl_scan_req_params_v16 *scan_p = &cmd->scan_params;
- struct iwl_scan_channel_params_v6 *cp = &scan_p->channel_params;
+ struct iwl_scan_req_umac_v17 *cmd = mvm->scan_cmd;
+ struct iwl_scan_req_params_v17 *scan_p = &cmd->scan_params;
+ struct iwl_scan_channel_params_v7 *cp = &scan_p->channel_params;
struct iwl_scan_probe_params_v4 *pb = &scan_p->probe_params;
int ret;
u16 gen_flags;
@@ -2479,11 +2516,13 @@ static int iwl_mvm_scan_umac_v14_and_above(struct iwl_mvm *mvm,
return ret;
if (!params->scan_6ghz) {
- iwl_mvm_scan_umac_fill_probe_p_v4(params, &scan_p->probe_params,
- &bitmap_ssid);
- iwl_mvm_scan_umac_fill_ch_p_v6(mvm, params, vif,
- &scan_p->channel_params, bitmap_ssid);
-
+ iwl_mvm_scan_umac_fill_probe_p_v4(params,
+ &scan_p->probe_params,
+ &bitmap_ssid);
+ iwl_mvm_scan_umac_fill_ch_p_v7(mvm, params, vif,
+ &scan_p->channel_params,
+ bitmap_ssid,
+ version);
return 0;
} else {
pb->preq = params->preq;
@@ -2495,9 +2534,10 @@ static int iwl_mvm_scan_umac_v14_and_above(struct iwl_mvm *mvm,
iwl_mvm_umac_scan_fill_6g_chan_list(mvm, params, pb);
- cp->count = iwl_mvm_umac_scan_cfg_channels_v6_6g(mvm, params,
+ cp->count = iwl_mvm_umac_scan_cfg_channels_v7_6g(mvm, params,
params->n_channels,
- pb, cp, vif->type);
+ pb, cp, vif->type,
+ version);
if (!cp->count) {
mvm->scan_uid_status[uid] = 0;
return -EINVAL;
@@ -2531,6 +2571,13 @@ static int iwl_mvm_scan_umac_v16(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
return iwl_mvm_scan_umac_v14_and_above(mvm, vif, params, type, uid, 16);
}
+static int iwl_mvm_scan_umac_v17(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
+ struct iwl_mvm_scan_params *params, int type,
+ int uid)
+{
+ return iwl_mvm_scan_umac_v14_and_above(mvm, vif, params, type, uid, 17);
+}
+
static int iwl_mvm_num_scans(struct iwl_mvm *mvm)
{
return hweight32(mvm->scan_status & IWL_MVM_SCAN_MASK);
@@ -2646,6 +2693,7 @@ struct iwl_scan_umac_handler {
static const struct iwl_scan_umac_handler iwl_scan_umac_handlers[] = {
/* set the newest version first to shorten the list traverse time */
+ IWL_SCAN_UMAC_HANDLER(17),
IWL_SCAN_UMAC_HANDLER(16),
IWL_SCAN_UMAC_HANDLER(15),
IWL_SCAN_UMAC_HANDLER(14),
@@ -3236,7 +3284,8 @@ static size_t iwl_scan_req_umac_get_size(u8 scan_ver)
case 14:
case 15:
case 16:
- return sizeof(struct iwl_scan_req_umac_v16);
+ case 17:
+ return sizeof(struct iwl_scan_req_umac_v17);
}
return 0;
--
2.38.1