diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index bc5883a38f05cd714638998243cdf0fb92532684..d37d5a8b383ee85f8b0d1efda893e5042381549d 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -344,8 +344,12 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) } if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN || - mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) + mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) { hw->flags |= IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS; + hw->wiphy->features |= + NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | + NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; + } hw->sta_data_size = sizeof(struct iwl_mvm_sta); hw->vif_data_size = sizeof(struct iwl_mvm_vif); diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index 219174597ff05b26f697f2d7f0228c2e071bb2b5..54303d935c57102056569e08b9b92c57e5834ec1 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -1224,14 +1224,25 @@ static u8 *iwl_mvm_copy_and_insert_ds_elem(struct iwl_mvm *mvm, const u8 *ies, static void iwl_mvm_build_unified_scan_probe(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_scan_ies *ies, - struct iwl_scan_probe_req *preq) + struct iwl_scan_probe_req *preq, + const u8 *mac_addr, const u8 *mac_addr_mask) { struct ieee80211_mgmt *frame = (struct ieee80211_mgmt *)preq->buf; u8 *pos, *newpos; + /* + * Unfortunately, right now the offload scan doesn't support randomising + * within the firmware, so until the firmware API is ready we implement + * it in the driver. This means that the scan iterations won't really be + * random, only when it's restarted, but at least that helps a bit. + */ + if (mac_addr) + get_random_mask_addr(frame->sa, mac_addr, mac_addr_mask); + else + memcpy(frame->sa, vif->addr, ETH_ALEN); + frame->frame_control = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); eth_broadcast_addr(frame->da); - memcpy(frame->sa, vif->addr, ETH_ALEN); eth_broadcast_addr(frame->bssid); frame->seq_ctrl = 0; @@ -1375,7 +1386,10 @@ int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm, preq = (void *)(cmd->data + sizeof(struct iwl_scan_channel_cfg_lmac) * mvm->fw->ucode_capa.n_scan_channels); - iwl_mvm_build_unified_scan_probe(mvm, vif, &req->ies, preq); + iwl_mvm_build_unified_scan_probe(mvm, vif, &req->ies, preq, + req->req.flags & NL80211_SCAN_FLAG_RANDOM_ADDR ? + req->req.mac_addr : NULL, + req->req.mac_addr_mask); ret = iwl_mvm_send_cmd(mvm, &hcmd); if (!ret) { @@ -1466,7 +1480,10 @@ int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm, preq = (void *)(cmd->data + sizeof(struct iwl_scan_channel_cfg_lmac) * mvm->fw->ucode_capa.n_scan_channels); - iwl_mvm_build_unified_scan_probe(mvm, vif, ies, preq); + iwl_mvm_build_unified_scan_probe(mvm, vif, ies, preq, + req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR ? + req->mac_addr : NULL, + req->mac_addr_mask); ret = iwl_mvm_send_cmd(mvm, &hcmd); if (!ret) { @@ -1796,7 +1813,10 @@ int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, sec_part->schedule[0].iter_count = 1; sec_part->delay = 0; - iwl_mvm_build_unified_scan_probe(mvm, vif, &req->ies, &sec_part->preq); + iwl_mvm_build_unified_scan_probe(mvm, vif, &req->ies, &sec_part->preq, + req->req.flags & NL80211_SCAN_FLAG_RANDOM_ADDR ? + req->req.mac_addr : NULL, + req->req.mac_addr_mask); iwl_mvm_scan_fill_ssids(sec_part->direct_scan, req->req.ssids, req->req.n_ssids, 0); @@ -1901,7 +1921,10 @@ int iwl_mvm_sched_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, sec_part->delay = 0; - iwl_mvm_build_unified_scan_probe(mvm, vif, ies, &sec_part->preq); + iwl_mvm_build_unified_scan_probe(mvm, vif, ies, &sec_part->preq, + req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR ? + req->mac_addr : NULL, + req->mac_addr_mask); ret = iwl_mvm_send_cmd(mvm, &hcmd); if (!ret) {