From: Andrei Otcheretianski <andrei.otcheretianski@xxxxxxxxx>
Set RRM_ENABLED (bit 6) flag in scan commands. When this flag is set
the fw will add WFA vendor-specific TPC report and DS parameter set
IEs into probe requests.
This bit is set for SCAN_OFFLOAD_REQUEST_CMD(0x51).
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@xxxxxxxxx>
Reviewed-by: Assaf Krauss <assaf.krauss@xxxxxxxxx>
Reviewed-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-fw.h | 6 ++++++
drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h | 3 +++
drivers/net/wireless/iwlwifi/mvm/mac80211.c | 9 +++++++++
drivers/net/wireless/iwlwifi/mvm/scan.c | 15 +++++++++++++--
4 files changed, 31 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-fw.h b/drivers/net/wireless/iwlwifi/iwl-fw.h
index 081a93d..e337546 100644
--- a/drivers/net/wireless/iwlwifi/iwl-fw.h
+++ b/drivers/net/wireless/iwlwifi/iwl-fw.h
@@ -148,11 +148,17 @@ enum iwl_ucode_tlv_api {
* @IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT: supports insertion of current
* tx power value into TPC Report action frame and Link Measurement Report
* action frame
+ * @IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT: supports adding DS params
+ * element in probe requests.
+ * @IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT: supports adding TPC Report IE in
+ * probe requests.
* @IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT: supports Quiet Period requests
*/
enum iwl_ucode_tlv_capa {
IWL_UCODE_TLV_CAPA_D0I3_SUPPORT = BIT(0),
IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT = BIT(8),
+ IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT = BIT(9),
+ IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT = BIT(10),
IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT = BIT(11),
};
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
index 8f22166..1354c68 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
@@ -670,6 +670,8 @@ struct iwl_scan_channel_opt {
* @IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE: send iteration complete notification
* @IWL_MVM_LMAC_SCAN_FLAG_MULTIPLE_SSIDS multiple SSID matching
* @IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED: all passive scans will be fragmented
+ * @IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED: insert WFA vendor-specific TPC report
+ * and DS parameter set IEs into probe requests.
*/
enum iwl_mvm_lmac_scan_flags {
IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL = BIT(0),
@@ -678,6 +680,7 @@ enum iwl_mvm_lmac_scan_flags {
IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE = BIT(3),
IWL_MVM_LMAC_SCAN_FLAG_MULTIPLE_SSIDS = BIT(4),
IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED = BIT(5),
+ IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED = BIT(6),
};
enum iwl_scan_priority {
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 5a169ab..bd12f8e 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -419,6 +419,15 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)
hw->wiphy->features |= NL80211_FEATURE_QUIET;
+ if (mvm->fw->ucode_capa.capa[0] &
+ IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)
+ hw->wiphy->features |=
+ NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES;
+
+ if (mvm->fw->ucode_capa.capa[0] &
+ IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)
+ hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES;
+
mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
/* currently FW API supports only one optional cipher scheme */
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index 09545f2..076fe1b 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -339,6 +339,13 @@ not_bound:
}
}
+static inline bool iwl_mvm_rrm_scan_needed(struct iwl_mvm *mvm)
+{
+ /* require rrm scan whenever the fw supports it */
+ return mvm->fw->ucode_capa.capa[0] &
+ IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT;
+}
+
int iwl_mvm_scan_request(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct cfg80211_scan_request *req)
@@ -1153,6 +1160,10 @@ iwl_mvm_build_generic_unified_scan_cmd(struct iwl_mvm *mvm,
IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE |
IWL_SCAN_CHANNEL_FLAG_CACHE_ADD);
}
+
+ if (iwl_mvm_rrm_scan_needed(mvm))
+ cmd->scan_flags |=
+ cpu_to_le32(IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED);
}
int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
@@ -1208,7 +1219,7 @@ int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
if (req->req.n_ssids == 0)
flags |= IWL_MVM_LMAC_SCAN_FLAG_PASSIVE;
- cmd->scan_flags = cpu_to_le32(flags);
+ cmd->scan_flags |= cpu_to_le32(flags);
cmd->flags = iwl_mvm_scan_rxon_flags(req->req.channels[0]->band);
cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP |
@@ -1305,7 +1316,7 @@ int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
if (req->n_ssids == 0)
flags |= IWL_MVM_LMAC_SCAN_FLAG_PASSIVE;
- cmd->scan_flags = cpu_to_le32(flags);
+ cmd->scan_flags |= cpu_to_le32(flags);
cmd->flags = iwl_mvm_scan_rxon_flags(req->channels[0]->band);
cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP |
--
1.9.1
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