Hi Aditya, kernel test robot noticed the following build errors: [auto build test ERROR on ea15e046263b19e91ffd827645ae5dfa44ebd044] url: https://github.com/intel-lab-lkp/linux/commits/Aditya-Kumar-Singh/wifi-mac80211-consider-links-for-validating-SCAN_FLAG_AP-in-scan-request-during-MLO/20250528-113350 base: ea15e046263b19e91ffd827645ae5dfa44ebd044 patch link: https://lore.kernel.org/r/20250528-fix_scan_ap_flag_requirement_during_mlo-v1-1-35ac0e3a2f7b%40oss.qualcomm.com patch subject: [PATCH wireless-next] wifi: mac80211: consider links for validating SCAN_FLAG_AP in scan request during MLO config: arm-randconfig-003-20250528 (https://download.01.org/0day-ci/archive/20250528/202505281853.CBjCB3yV-lkp@xxxxxxxxx/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250528/202505281853.CBjCB3yV-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202505281853.CBjCB3yV-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> net/mac80211/cfg.c:2953:16: error: call to undeclared function 'cfg80211_get_radio_idx_by_chan'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2953 | radio_idx = cfg80211_get_radio_idx_by_chan(wiphy, chan); | ^ >> net/mac80211/cfg.c:2955:8: error: call to undeclared function 'ieee80211_is_radio_idx_in_scan_req'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2955 | if (ieee80211_is_radio_idx_in_scan_req(wiphy, req, | ^ 2 errors generated. vim +/cfg80211_get_radio_idx_by_chan +2953 net/mac80211/cfg.c 2895 2896 static int ieee80211_scan(struct wiphy *wiphy, 2897 struct cfg80211_scan_request *req) 2898 { 2899 struct ieee80211_sub_if_data *sdata; 2900 struct ieee80211_link_data *link; 2901 struct ieee80211_channel *chan; 2902 int radio_idx; 2903 u8 link_id; 2904 2905 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); 2906 2907 switch (ieee80211_vif_type_p2p(&sdata->vif)) { 2908 case NL80211_IFTYPE_STATION: 2909 case NL80211_IFTYPE_ADHOC: 2910 case NL80211_IFTYPE_MESH_POINT: 2911 case NL80211_IFTYPE_P2P_CLIENT: 2912 case NL80211_IFTYPE_P2P_DEVICE: 2913 break; 2914 case NL80211_IFTYPE_P2P_GO: 2915 if (sdata->local->ops->hw_scan) 2916 break; 2917 /* 2918 * FIXME: implement NoA while scanning in software, 2919 * for now fall through to allow scanning only when 2920 * beaconing hasn't been configured yet 2921 */ 2922 fallthrough; 2923 case NL80211_IFTYPE_AP: 2924 /* 2925 * If the scan has been forced (and the driver supports 2926 * forcing), don't care about being beaconing already. 2927 * This will create problems to the attached stations (e.g. all 2928 * the frames sent while scanning on other channel will be 2929 * lost) 2930 */ 2931 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; 2932 link_id++) { 2933 link = sdata_dereference(sdata->link[link_id], sdata); 2934 if (!link) 2935 continue; 2936 2937 /* if the link is not beaconing, ignore it */ 2938 if (!sdata_dereference(link->u.ap.beacon, sdata)) 2939 continue; 2940 2941 /* If we are here then at least one of the link is 2942 * beaconing and since radio level information is 2943 * not present or single underlying radio is present, 2944 * no point in checking further and hence return if 2945 * flag requirements are not met. 2946 */ 2947 if (wiphy->n_radio < 2 && 2948 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || 2949 !(req->flags & NL80211_SCAN_FLAG_AP))) 2950 return -EOPNOTSUPP; 2951 2952 chan = link->conf->chanreq.oper.chan; > 2953 radio_idx = cfg80211_get_radio_idx_by_chan(wiphy, chan); 2954 > 2955 if (ieee80211_is_radio_idx_in_scan_req(wiphy, req, 2956 radio_idx) && 2957 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || 2958 !(req->flags & NL80211_SCAN_FLAG_AP))) 2959 return -EOPNOTSUPP; 2960 } 2961 break; 2962 case NL80211_IFTYPE_NAN: 2963 default: 2964 return -EOPNOTSUPP; 2965 } 2966 2967 return ieee80211_request_scan(sdata, req); 2968 } 2969 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
