Hi Muna, Thank you for the patch! Yet something to improve: [auto build test ERROR on wireless/main] [also build test ERROR on linus/master v5.19-rc5] [cannot apply to wireless-next/main next-20220705] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/intel-lab-lkp/linux/commits/Muna-Sinada/mac80211-Add-VHT-MU-MIMO-related-flags-in-ieee80211_bss_conf/20220706-060509 base: https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless.git main config: hexagon-randconfig-r045-20220703 (https://download.01.org/0day-ci/archive/20220706/202207061106.QWMt1tGm-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project f553287b588916de09c66e3e32bf75e5060f967f) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/d0909fa7d00b2857a0b258722221e1e94ba9c05e git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Muna-Sinada/mac80211-Add-VHT-MU-MIMO-related-flags-in-ieee80211_bss_conf/20220706-060509 git checkout d0909fa7d00b2857a0b258722221e1e94ba9c05e # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash net/mac80211/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> net/mac80211/cfg.c:1169:13: error: use of undeclared identifier 'ap_vht_cap' !!(ap_vht_cap->vht_cap_info & ^ net/mac80211/cfg.c:1172:13: error: use of undeclared identifier 'ap_vht_cap' !!(ap_vht_cap->vht_cap_info & ^ net/mac80211/cfg.c:1175:13: error: use of undeclared identifier 'ap_vht_cap' !!(ap_vht_cap->vht_cap_info & ^ net/mac80211/cfg.c:1178:13: error: use of undeclared identifier 'ap_vht_cap' !!(ap_vht_cap->vht_cap_info & ^ 4 errors generated. vim +/ap_vht_cap +1169 net/mac80211/cfg.c 1135 1136 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, 1137 struct cfg80211_ap_settings *params) 1138 { 1139 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1140 struct ieee80211_local *local = sdata->local; 1141 struct beacon_data *old; 1142 struct ieee80211_sub_if_data *vlan; 1143 u32 changed = BSS_CHANGED_BEACON_INT | 1144 BSS_CHANGED_BEACON_ENABLED | 1145 BSS_CHANGED_BEACON | 1146 BSS_CHANGED_SSID | 1147 BSS_CHANGED_P2P_PS | 1148 BSS_CHANGED_TXPOWER | 1149 BSS_CHANGED_TWT; 1150 int i, err; 1151 int prev_beacon_int; 1152 1153 old = sdata_dereference(sdata->u.ap.beacon, sdata); 1154 if (old) 1155 return -EALREADY; 1156 1157 if (params->smps_mode != NL80211_SMPS_OFF) 1158 return -ENOTSUPP; 1159 1160 sdata->smps_mode = IEEE80211_SMPS_OFF; 1161 1162 sdata->needed_rx_chains = sdata->local->rx_chains; 1163 1164 prev_beacon_int = sdata->vif.bss_conf.beacon_int; 1165 sdata->vif.bss_conf.beacon_int = params->beacon_interval; 1166 1167 if (params->vht_cap) { 1168 sdata->vif.bss_conf.vht_su_beamformer = > 1169 !!(ap_vht_cap->vht_cap_info & 1170 cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)); 1171 sdata->vif.bss_conf.vht_su_beamformee = 1172 !!(ap_vht_cap->vht_cap_info & 1173 cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)); 1174 sdata->vif.bss_conf.vht_mu_beamformer = 1175 !!(ap_vht_cap->vht_cap_info & 1176 cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)); 1177 sdata->vif.bss_conf.vht_mu_beamformee = 1178 !!(ap_vht_cap->vht_cap_info & 1179 cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)); 1180 } 1181 1182 if (params->he_cap && params->he_oper) { 1183 sdata->vif.bss_conf.he_support = true; 1184 sdata->vif.bss_conf.htc_trig_based_pkt_ext = 1185 le32_get_bits(params->he_oper->he_oper_params, 1186 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK); 1187 sdata->vif.bss_conf.frame_time_rts_th = 1188 le32_get_bits(params->he_oper->he_oper_params, 1189 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK); 1190 changed |= BSS_CHANGED_HE_OBSS_PD; 1191 1192 if (params->beacon.he_bss_color.enabled) 1193 changed |= BSS_CHANGED_HE_BSS_COLOR; 1194 } 1195 1196 if (sdata->vif.type == NL80211_IFTYPE_AP && 1197 params->mbssid_config.tx_wdev) { 1198 err = ieee80211_set_ap_mbssid_options(sdata, 1199 params->mbssid_config); 1200 if (err) 1201 return err; 1202 } 1203 1204 mutex_lock(&local->mtx); 1205 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, 1206 IEEE80211_CHANCTX_SHARED); 1207 if (!err) 1208 ieee80211_vif_copy_chanctx_to_vlans(sdata, false); 1209 mutex_unlock(&local->mtx); 1210 if (err) { 1211 sdata->vif.bss_conf.beacon_int = prev_beacon_int; 1212 return err; 1213 } 1214 1215 /* 1216 * Apply control port protocol, this allows us to 1217 * not encrypt dynamic WEP control frames. 1218 */ 1219 sdata->control_port_protocol = params->crypto.control_port_ethertype; 1220 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; 1221 sdata->control_port_over_nl80211 = 1222 params->crypto.control_port_over_nl80211; 1223 sdata->control_port_no_preauth = 1224 params->crypto.control_port_no_preauth; 1225 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local, 1226 ¶ms->crypto, 1227 sdata->vif.type); 1228 1229 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { 1230 vlan->control_port_protocol = 1231 params->crypto.control_port_ethertype; 1232 vlan->control_port_no_encrypt = 1233 params->crypto.control_port_no_encrypt; 1234 vlan->control_port_over_nl80211 = 1235 params->crypto.control_port_over_nl80211; 1236 vlan->control_port_no_preauth = 1237 params->crypto.control_port_no_preauth; 1238 vlan->encrypt_headroom = 1239 ieee80211_cs_headroom(sdata->local, 1240 ¶ms->crypto, 1241 vlan->vif.type); 1242 } 1243 1244 sdata->vif.bss_conf.dtim_period = params->dtim_period; 1245 sdata->vif.bss_conf.enable_beacon = true; 1246 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p; 1247 sdata->vif.bss_conf.twt_responder = params->twt_responder; 1248 sdata->vif.bss_conf.he_obss_pd = params->he_obss_pd; 1249 sdata->vif.bss_conf.he_bss_color = params->beacon.he_bss_color; 1250 sdata->vif.bss_conf.s1g = params->chandef.chan->band == 1251 NL80211_BAND_S1GHZ; 1252 1253 sdata->vif.bss_conf.ssid_len = params->ssid_len; 1254 if (params->ssid_len) 1255 memcpy(sdata->vif.bss_conf.ssid, params->ssid, 1256 params->ssid_len); 1257 sdata->vif.bss_conf.hidden_ssid = 1258 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); 1259 1260 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0, 1261 sizeof(sdata->vif.bss_conf.p2p_noa_attr)); 1262 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow = 1263 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 1264 if (params->p2p_opp_ps) 1265 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= 1266 IEEE80211_P2P_OPPPS_ENABLE_BIT; 1267 1268 sdata->beacon_rate_set = false; 1269 if (wiphy_ext_feature_isset(local->hw.wiphy, 1270 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) { 1271 for (i = 0; i < NUM_NL80211_BANDS; i++) { 1272 sdata->beacon_rateidx_mask[i] = 1273 params->beacon_rate.control[i].legacy; 1274 if (sdata->beacon_rateidx_mask[i]) 1275 sdata->beacon_rate_set = true; 1276 } 1277 } 1278 1279 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) 1280 sdata->vif.bss_conf.beacon_tx_rate = params->beacon_rate; 1281 1282 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL, NULL); 1283 if (err < 0) 1284 goto error; 1285 changed |= err; 1286 1287 if (params->fils_discovery.max_interval) { 1288 err = ieee80211_set_fils_discovery(sdata, 1289 ¶ms->fils_discovery); 1290 if (err < 0) 1291 goto error; 1292 changed |= BSS_CHANGED_FILS_DISCOVERY; 1293 } 1294 1295 if (params->unsol_bcast_probe_resp.interval) { 1296 err = ieee80211_set_unsol_bcast_probe_resp(sdata, 1297 ¶ms->unsol_bcast_probe_resp); 1298 if (err < 0) 1299 goto error; 1300 changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP; 1301 } 1302 1303 err = drv_start_ap(sdata->local, sdata); 1304 if (err) { 1305 old = sdata_dereference(sdata->u.ap.beacon, sdata); 1306 1307 if (old) 1308 kfree_rcu(old, rcu_head); 1309 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); 1310 goto error; 1311 } 1312 1313 ieee80211_recalc_dtim(local, sdata); 1314 ieee80211_bss_info_change_notify(sdata, changed); 1315 1316 netif_carrier_on(dev); 1317 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 1318 netif_carrier_on(vlan->dev); 1319 1320 return 0; 1321 1322 error: 1323 mutex_lock(&local->mtx); 1324 ieee80211_vif_release_channel(sdata); 1325 mutex_unlock(&local->mtx); 1326 1327 return err; 1328 } 1329 -- 0-DAY CI Kernel Test Service https://01.org/lkp