| Message ID | 1541805421-27309-4-git-send-email-rmanohar@qti.qualcomm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Move TXQ scheduling and airtime fairness into mac80211 | expand |
Hi Toke,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on mac80211/master]
[also build test WARNING on v4.20-rc1 next-20181109]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Rajkumar-Manoharan/Move-TXQ-scheduling-and-airtime-fairness-into-mac80211/20181111-072032
base: https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git master
config: i386-randconfig-x009-201845 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
All warnings (new ones prefixed by >>):
In file included from include/linux/bitops.h:5:0,
from include/linux/kernel.h:11,
from include/linux/list.h:9,
from include/linux/module.h:9,
from net/mac80211/sta_info.c:13:
net/mac80211/sta_info.c: In function 'sta_set_sinfo':
include/linux/bits.h:6:24: warning: left shift count >= width of type [-Wshift-count-overflow]
#define BIT(nr) (1UL << (nr))
^
>> net/mac80211/sta_info.c:2212:24: note: in expansion of macro 'BIT'
if (!(sinfo->filled & BIT(NL80211_STA_INFO_RX_DURATION))) {
^~~
include/linux/bits.h:6:24: warning: left shift count >= width of type [-Wshift-count-overflow]
#define BIT(nr) (1UL << (nr))
^
net/mac80211/sta_info.c:2215:20: note: in expansion of macro 'BIT'
sinfo->filled |= BIT(NL80211_STA_INFO_RX_DURATION);
^~~
include/linux/bits.h:6:24: warning: left shift count >= width of type [-Wshift-count-overflow]
#define BIT(nr) (1UL << (nr))
^
net/mac80211/sta_info.c:2218:24: note: in expansion of macro 'BIT'
if (!(sinfo->filled & BIT(NL80211_STA_INFO_TX_DURATION))) {
^~~
include/linux/bits.h:6:24: warning: left shift count >= width of type [-Wshift-count-overflow]
#define BIT(nr) (1UL << (nr))
^
net/mac80211/sta_info.c:2221:20: note: in expansion of macro 'BIT'
sinfo->filled |= BIT(NL80211_STA_INFO_TX_DURATION);
^~~
include/linux/bits.h:6:24: warning: left shift count >= width of type [-Wshift-count-overflow]
#define BIT(nr) (1UL << (nr))
^
net/mac80211/sta_info.c:2224:24: note: in expansion of macro 'BIT'
if (!(sinfo->filled & BIT(NL80211_STA_INFO_AIRTIME_WEIGHT))) {
^~~
include/linux/bits.h:6:24: warning: left shift count >= width of type [-Wshift-count-overflow]
#define BIT(nr) (1UL << (nr))
^
net/mac80211/sta_info.c:2226:20: note: in expansion of macro 'BIT'
sinfo->filled |= BIT(NL80211_STA_INFO_AIRTIME_WEIGHT);
^~~
vim +/BIT +2212 net/mac80211/sta_info.c
2120
2121 void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo,
2122 bool tidstats)
2123 {
2124 struct ieee80211_sub_if_data *sdata = sta->sdata;
2125 struct ieee80211_local *local = sdata->local;
2126 u32 thr = 0;
2127 int i, ac, cpu;
2128 struct ieee80211_sta_rx_stats *last_rxstats;
2129
2130 last_rxstats = sta_get_last_rx_stats(sta);
2131
2132 sinfo->generation = sdata->local->sta_generation;
2133
2134 /* do before driver, so beacon filtering drivers have a
2135 * chance to e.g. just add the number of filtered beacons
2136 * (or just modify the value entirely, of course)
2137 */
2138 if (sdata->vif.type == NL80211_IFTYPE_STATION)
2139 sinfo->rx_beacon = sdata->u.mgd.count_beacon_signal;
2140
2141 drv_sta_statistics(local, sdata, &sta->sta, sinfo);
2142
2143 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME) |
2144 BIT_ULL(NL80211_STA_INFO_STA_FLAGS) |
2145 BIT_ULL(NL80211_STA_INFO_BSS_PARAM) |
2146 BIT_ULL(NL80211_STA_INFO_CONNECTED_TIME) |
2147 BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC);
2148
2149 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
2150 sinfo->beacon_loss_count = sdata->u.mgd.beacon_loss_count;
2151 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_LOSS);
2152 }
2153
2154 sinfo->connected_time = ktime_get_seconds() - sta->last_connected;
2155 sinfo->inactive_time =
2156 jiffies_to_msecs(jiffies - ieee80211_sta_last_active(sta));
2157
2158 if (!(sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES64) |
2159 BIT_ULL(NL80211_STA_INFO_TX_BYTES)))) {
2160 sinfo->tx_bytes = 0;
2161 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
2162 sinfo->tx_bytes += sta->tx_stats.bytes[ac];
2163 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BYTES64);
2164 }
2165
2166 if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_PACKETS))) {
2167 sinfo->tx_packets = 0;
2168 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
2169 sinfo->tx_packets += sta->tx_stats.packets[ac];
2170 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS);
2171 }
2172
2173 if (!(sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES64) |
2174 BIT_ULL(NL80211_STA_INFO_RX_BYTES)))) {
2175 sinfo->rx_bytes += sta_get_stats_bytes(&sta->rx_stats);
2176
2177 if (sta->pcpu_rx_stats) {
2178 for_each_possible_cpu(cpu) {
2179 struct ieee80211_sta_rx_stats *cpurxs;
2180
2181 cpurxs = per_cpu_ptr(sta->pcpu_rx_stats, cpu);
2182 sinfo->rx_bytes += sta_get_stats_bytes(cpurxs);
2183 }
2184 }
2185
2186 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BYTES64);
2187 }
2188
2189 if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_PACKETS))) {
2190 sinfo->rx_packets = sta->rx_stats.packets;
2191 if (sta->pcpu_rx_stats) {
2192 for_each_possible_cpu(cpu) {
2193 struct ieee80211_sta_rx_stats *cpurxs;
2194
2195 cpurxs = per_cpu_ptr(sta->pcpu_rx_stats, cpu);
2196 sinfo->rx_packets += cpurxs->packets;
2197 }
2198 }
2199 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS);
2200 }
2201
2202 if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_RETRIES))) {
2203 sinfo->tx_retries = sta->status_stats.retry_count;
2204 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_RETRIES);
2205 }
2206
2207 if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_FAILED))) {
2208 sinfo->tx_failed = sta->status_stats.retry_failed;
2209 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
2210 }
2211
> 2212 if (!(sinfo->filled & BIT(NL80211_STA_INFO_RX_DURATION))) {
2213 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
2214 sinfo->rx_duration += sta->airtime[ac].rx_airtime;
2215 sinfo->filled |= BIT(NL80211_STA_INFO_RX_DURATION);
2216 }
2217
2218 if (!(sinfo->filled & BIT(NL80211_STA_INFO_TX_DURATION))) {
2219 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
2220 sinfo->tx_duration += sta->airtime[ac].tx_airtime;
2221 sinfo->filled |= BIT(NL80211_STA_INFO_TX_DURATION);
2222 }
2223
2224 if (!(sinfo->filled & BIT(NL80211_STA_INFO_AIRTIME_WEIGHT))) {
2225 sinfo->airtime_weight = sta->airtime_weight;
2226 sinfo->filled |= BIT(NL80211_STA_INFO_AIRTIME_WEIGHT);
2227 }
2228
2229 sinfo->rx_dropped_misc = sta->rx_stats.dropped;
2230 if (sta->pcpu_rx_stats) {
2231 for_each_possible_cpu(cpu) {
2232 struct ieee80211_sta_rx_stats *cpurxs;
2233
2234 cpurxs = per_cpu_ptr(sta->pcpu_rx_stats, cpu);
2235 sinfo->rx_dropped_misc += cpurxs->dropped;
2236 }
2237 }
2238
2239 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
2240 !(sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)) {
2241 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX) |
2242 BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG);
2243 sinfo->rx_beacon_signal_avg = ieee80211_ave_rssi(&sdata->vif);
2244 }
2245
2246 if (ieee80211_hw_check(&sta->local->hw, SIGNAL_DBM) ||
2247 ieee80211_hw_check(&sta->local->hw, SIGNAL_UNSPEC)) {
2248 if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_SIGNAL))) {
2249 sinfo->signal = (s8)last_rxstats->last_signal;
2250 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
2251 }
2252
2253 if (!sta->pcpu_rx_stats &&
2254 !(sinfo->filled & BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG))) {
2255 sinfo->signal_avg =
2256 -ewma_signal_read(&sta->rx_stats_avg.signal);
2257 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG);
2258 }
2259 }
2260
2261 /* for the average - if pcpu_rx_stats isn't set - rxstats must point to
2262 * the sta->rx_stats struct, so the check here is fine with and without
2263 * pcpu statistics
2264 */
2265 if (last_rxstats->chains &&
2266 !(sinfo->filled & (BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL) |
2267 BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)))) {
2268 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL);
2269 if (!sta->pcpu_rx_stats)
2270 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG);
2271
2272 sinfo->chains = last_rxstats->chains;
2273
2274 for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) {
2275 sinfo->chain_signal[i] =
2276 last_rxstats->chain_signal_last[i];
2277 sinfo->chain_signal_avg[i] =
2278 -ewma_signal_read(&sta->rx_stats_avg.chain_signal[i]);
2279 }
2280 }
2281
2282 if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE))) {
2283 sta_set_rate_info_tx(sta, &sta->tx_stats.last_rate,
2284 &sinfo->txrate);
2285 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
2286 }
2287
2288 if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE))) {
2289 if (sta_set_rate_info_rx(sta, &sinfo->rxrate) == 0)
2290 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BITRATE);
2291 }
2292
2293 if (tidstats && !cfg80211_sinfo_alloc_tid_stats(sinfo, GFP_KERNEL)) {
2294 for (i = 0; i < IEEE80211_NUM_TIDS + 1; i++) {
2295 struct cfg80211_tid_stats *tidstats = &sinfo->pertid[i];
2296
2297 sta_set_tidstats(sta, tidstats, i);
2298 }
2299 }
2300
2301 if (ieee80211_vif_is_mesh(&sdata->vif)) {
2302 #ifdef CONFIG_MAC80211_MESH
2303 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_LLID) |
2304 BIT_ULL(NL80211_STA_INFO_PLID) |
2305 BIT_ULL(NL80211_STA_INFO_PLINK_STATE) |
2306 BIT_ULL(NL80211_STA_INFO_LOCAL_PM) |
2307 BIT_ULL(NL80211_STA_INFO_PEER_PM) |
2308 BIT_ULL(NL80211_STA_INFO_NONPEER_PM);
2309
2310 sinfo->llid = sta->mesh->llid;
2311 sinfo->plid = sta->mesh->plid;
2312 sinfo->plink_state = sta->mesh->plink_state;
2313 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
2314 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_T_OFFSET);
2315 sinfo->t_offset = sta->mesh->t_offset;
2316 }
2317 sinfo->local_pm = sta->mesh->local_pm;
2318 sinfo->peer_pm = sta->mesh->peer_pm;
2319 sinfo->nonpeer_pm = sta->mesh->nonpeer_pm;
2320 #endif
2321 }
2322
2323 sinfo->bss_param.flags = 0;
2324 if (sdata->vif.bss_conf.use_cts_prot)
2325 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
2326 if (sdata->vif.bss_conf.use_short_preamble)
2327 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
2328 if (sdata->vif.bss_conf.use_short_slot)
2329 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
2330 sinfo->bss_param.dtim_period = sdata->vif.bss_conf.dtim_period;
2331 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
2332
2333 sinfo->sta_flags.set = 0;
2334 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
2335 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
2336 BIT(NL80211_STA_FLAG_WME) |
2337 BIT(NL80211_STA_FLAG_MFP) |
2338 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
2339 BIT(NL80211_STA_FLAG_ASSOCIATED) |
2340 BIT(NL80211_STA_FLAG_TDLS_PEER);
2341 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2342 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
2343 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
2344 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
2345 if (sta->sta.wme)
2346 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
2347 if (test_sta_flag(sta, WLAN_STA_MFP))
2348 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
2349 if (test_sta_flag(sta, WLAN_STA_AUTH))
2350 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
2351 if (test_sta_flag(sta, WLAN_STA_ASSOC))
2352 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
2353 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
2354 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
2355
2356 thr = sta_get_expected_throughput(sta);
2357
2358 if (thr != 0) {
2359 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_EXPECTED_THROUGHPUT);
2360 sinfo->expected_throughput = thr;
2361 }
2362
2363 if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL)) &&
2364 sta->status_stats.ack_signal_filled) {
2365 sinfo->ack_signal = sta->status_stats.last_ack_signal;
2366 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL);
2367 }
2368
2369 if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG)) &&
2370 sta->status_stats.ack_signal_filled) {
2371 sinfo->avg_ack_signal =
2372 -(s8)ewma_avg_signal_read(
2373 &sta->status_stats.avg_ack_signal);
2374 sinfo->filled |=
2375 BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG);
2376 }
2377 }
2378
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
Hi Toke, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on mac80211/master] [also build test WARNING on v4.20-rc1] [cannot apply to next-20181112] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Rajkumar-Manoharan/Move-TXQ-scheduling-and-airtime-fairness-into-mac80211/20181111-072032 base: https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git master reproduce: make htmldocs All warnings (new ones prefixed by >>): include/net/cfg80211.h:4447: warning: Function parameter or member 'wext.prev_bssid_valid' not described in 'wireless_dev' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/cfg80211.h:2846: warning: cannot understand function prototype: 'struct cfg80211_ftm_responder_stats ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:2400: warning: Function parameter or member 'radiotap_timestamp.units_pos' not described in 'ieee80211_hw' include/net/mac80211.h:2400: warning: Function parameter or member 'radiotap_timestamp.accuracy' not described in 'ieee80211_hw' >> include/net/mac80211.h:2400: warning: Function parameter or member 'weight_multiplier' not described in 'ieee80211_hw' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:1007: warning: Function parameter or member 'control.rates' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'control.rts_cts_rate_idx' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'control.use_rts' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'control.use_cts_prot' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'control.short_preamble' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'control.skip_table' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'control.jiffies' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'control.vif' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'control.hw_key' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'control.flags' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'control.enqueue_time' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'ack' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'ack.cookie' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'status.rates' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'status.ack_signal' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'status.ampdu_ack_len' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'status.ampdu_len' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'status.antenna' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'status.tx_time' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'status.is_valid_ack_signal' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'status.status_driver_data' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'driver_rates' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'pad' not described in 'ieee80211_tx_info' include/net/mac80211.h:1007: warning: Function parameter or member 'rate_driver_data' not described in 'ieee80211_tx_info' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' include/net/mac80211.h:483: warning: cannot understand function prototype: 'struct ieee80211_ftm_responder_params ' net/mac80211/sta_info.h:601: warning: Function parameter or member 'rx_stats_avg' not described in 'sta_info' net/mac80211/sta_info.h:601: warning: Function parameter or member 'rx_stats_avg.signal' not described in 'sta_info' net/mac80211/sta_info.h:601: warning: Function parameter or member 'rx_stats_avg.chain_signal' not described in 'sta_info' net/mac80211/sta_info.h:601: warning: Function parameter or member 'status_stats.filtered' not described in 'sta_info' net/mac80211/sta_info.h:601: warning: Function parameter or member 'status_stats.retry_failed' not described in 'sta_info' net/mac80211/sta_info.h:601: warning: Function parameter or member 'status_stats.retry_count' not described in 'sta_info' net/mac80211/sta_info.h:601: warning: Function parameter or member 'status_stats.lost_packets' not described in 'sta_info' net/mac80211/sta_info.h:601: warning: Function parameter or member 'status_stats.last_tdls_pkt_time' not described in 'sta_info' net/mac80211/sta_info.h:601: warning: Function parameter or member 'status_stats.msdu_retries' not described in 'sta_info' net/mac80211/sta_info.h:601: warning: Function parameter or member 'status_stats.msdu_failed' not described in 'sta_info' net/mac80211/sta_info.h:601: warning: Function parameter or member 'status_stats.last_ack' not described in 'sta_info' net/mac80211/sta_info.h:601: warning: Function parameter or member 'status_stats.last_ack_signal' not described in 'sta_info' net/mac80211/sta_info.h:601: warning: Function parameter or member 'status_stats.ack_signal_filled' not described in 'sta_info' net/mac80211/sta_info.h:601: warning: Function parameter or member 'status_stats.avg_ack_signal' not described in 'sta_info' net/mac80211/sta_info.h:601: warning: Function parameter or member 'tx_stats.packets' not described in 'sta_info' net/mac80211/sta_info.h:601: warning: Function parameter or member 'tx_stats.bytes' not described in 'sta_info' net/mac80211/sta_info.h:601: warning: Function parameter or member 'tx_stats.last_rate' not described in 'sta_info' net/mac80211/sta_info.h:601: warning: Function parameter or member 'tx_stats.msdu' not described in 'sta_info' >> net/mac80211/sta_info.h:601: warning: Function parameter or member 'airtime' not described in 'sta_info' >> net/mac80211/sta_info.h:601: warning: Function parameter or member 'airtime_weight' not described in 'sta_info' kernel/rcu/tree.c:685: warning: Excess function parameter 'irq' description in 'rcu_nmi_exit' include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_excl.cb' not described in 'dma_buf' include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_excl.poll' not described in 'dma_buf' include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_excl.active' not described in 'dma_buf' include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_shared.cb' not described in 'dma_buf' include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_shared.poll' not described in 'dma_buf' include/linux/dma-buf.h:304: warning: Function parameter or member 'cb_shared.active' not described in 'dma_buf' include/linux/dma-fence-array.h:54: warning: Function parameter or member 'work' not described in 'dma_fence_array' include/linux/gpio/driver.h:375: warning: Function parameter or member 'init_valid_mask' not described in 'gpio_chip' include/linux/iio/hw-consumer.h:1: warning: no structured comments found include/linux/input/sparse-keymap.h:46: warning: Function parameter or member 'sw' not described in 'key_entry' drivers/mtd/nand/raw/nand_base.c:603: warning: Excess function parameter 'mtd' description in 'panic_nand_wait' drivers/mtd/nand/raw/nand_base.c:603: warning: Excess function parameter 'mtd' description in 'panic_nand_wait' include/linux/regulator/driver.h:227: warning: Function parameter or member 'resume' not described in 'regulator_ops' arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw0' not described in 'irb' arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw1' not described in 'irb' arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw2' not described in 'irb' arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.esw3' not described in 'irb' arch/s390/include/asm/cio.h:245: warning: Function parameter or member 'esw.eadm' not described in 'irb' drivers/slimbus/stream.c:1: warning: no structured comments found include/linux/spi/spi.h:177: warning: Function parameter or member 'driver_override' not described in 'spi_device' drivers/target/target_core_device.c:1: warning: no structured comments found drivers/usb/typec/bus.c:1: warning: no structured comments found drivers/usb/typec/class.c:1: warning: no structured comments found include/linux/w1.h:281: warning: Function parameter or member 'of_match_table' not described in 'w1_family' fs/direct-io.c:257: warning: Excess function parameter 'offset' description in 'dio_complete' fs/file_table.c:1: warning: no structured comments found fs/libfs.c:477: warning: Excess function parameter 'available' description in 'simple_write_end' fs/posix_acl.c:646: warning: Function parameter or member 'inode' not described in 'posix_acl_update_mode' fs/posix_acl.c:646: warning: Function parameter or member 'mode_p' not described in 'posix_acl_update_mode' fs/posix_acl.c:646: warning: Function parameter or member 'acl' not described in 'posix_acl_update_mode' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:183: warning: Function parameter or member 'blockable' not described in 'amdgpu_mn_read_lock' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:254: warning: Function parameter or member 'blockable' not described in 'amdgpu_mn_invalidate_range_start_gfx' drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:302: warning: Function parameter or member 'blockable' not described in 'amdgpu_mn_invalidate_range_start_hsa' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:382: warning: cannot understand function prototype: 'struct amdgpu_vm_pt_cursor ' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:383: warning: cannot understand function prototype: 'struct amdgpu_vm_pt_cursor ' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:554: warning: Function parameter or member 'adev' not described in 'for_each_amdgpu_vm_pt_leaf' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:554: warning: Function parameter or member 'vm' not described in 'for_each_amdgpu_vm_pt_leaf' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:554: warning: Function parameter or member 'start' not described in 'for_each_amdgpu_vm_pt_leaf' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:554: warning: Function parameter or member 'end' not described in 'for_each_amdgpu_vm_pt_leaf' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:554: warning: Function parameter or member 'cursor' not described in 'for_each_amdgpu_vm_pt_leaf' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:602: warning: Function parameter or member 'adev' not described in 'for_each_amdgpu_vm_pt_dfs_safe' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:602: warning: Function parameter or member 'vm' not described in 'for_each_amdgpu_vm_pt_dfs_safe' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:602: warning: Function parameter or member 'cursor' not described in 'for_each_amdgpu_vm_pt_dfs_safe' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:602: warning: Function parameter or member 'entry' not described in 'for_each_amdgpu_vm_pt_dfs_safe' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:847: warning: Function parameter or member 'level' not described in 'amdgpu_vm_bo_param' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1355: warning: Function parameter or member 'params' not described in 'amdgpu_vm_update_func' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1355: warning: Function parameter or member 'bo' not described in 'amdgpu_vm_update_func' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1355: warning: Function parameter or member 'pe' not described in 'amdgpu_vm_update_func' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1355: warning: Function parameter or member 'addr' not described in 'amdgpu_vm_update_func' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1355: warning: Function parameter or member 'count' not described in 'amdgpu_vm_update_func' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1355: warning: Function parameter or member 'incr' not described in 'amdgpu_vm_update_func' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1355: warning: Function parameter or member 'flags' not described in 'amdgpu_vm_update_func' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1522: warning: Function parameter or member 'params' not described in 'amdgpu_vm_update_huge' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1522: warning: Function parameter or member 'bo' not described in 'amdgpu_vm_update_huge' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1522: warning: Function parameter or member 'level' not described in 'amdgpu_vm_update_huge' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1522: warning: Function parameter or member 'pe' not described in 'amdgpu_vm_update_huge' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1522: warning: Function parameter or member 'addr' not described in 'amdgpu_vm_update_huge' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1522: warning: Function parameter or member 'count' not described in 'amdgpu_vm_update_huge' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1522: warning: Function parameter or member 'incr' not described in 'amdgpu_vm_update_huge' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1522: warning: Function parameter or member 'flags' not described in 'amdgpu_vm_update_huge' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:3095: warning: Function parameter or member 'pasid' not described in 'amdgpu_vm_make_compute' include/drm/drm_drv.h:609: warning: Function parameter or member 'gem_prime_pin' not described in 'drm_driver' include/drm/drm_drv.h:609: warning: Function parameter or member 'gem_prime_unpin' not described in 'drm_driver' include/drm/drm_drv.h:609: warning: Function parameter or member 'gem_prime_res_obj' not described in 'drm_driver' include/drm/drm_drv.h:609: warning: Function parameter or member 'gem_prime_get_sg_table' not described in 'drm_driver' include/drm/drm_drv.h:609: warning: Function parameter or member 'gem_prime_import_sg_table' not described in 'drm_driver' include/drm/drm_drv.h:609: warning: Function parameter or member 'gem_prime_vmap' not described in 'drm_driver' include/drm/drm_drv.h:609: warning: Function parameter or member 'gem_prime_vunmap' not described in 'drm_driver' include/drm/drm_drv.h:609: warning: Function parameter or member 'gem_prime_mmap' not described in 'drm_driver' include/drm/drm_mode_config.h:869: warning: Function parameter or member 'quirk_addfb_prefer_xbgr_30bpp' not described in 'drm_mode_config' drivers/gpu/drm/drm_fourcc.c:112: warning: Function parameter or member 'dev' not described in 'drm_driver_legacy_fb_format' drivers/gpu/drm/drm_fourcc.c:112: warning: Excess function parameter 'native' description in 'drm_driver_legacy_fb_format' drivers/gpu/drm/i915/i915_vma.h:49: warning: cannot understand function prototype: 'struct i915_vma ' drivers/gpu/drm/i915/i915_vma.h:1: warning: no structured comments found drivers/gpu/drm/i915/intel_guc_fwif.h:554: warning: cannot understand function prototype: 'struct guc_log_buffer_state ' drivers/gpu/drm/i915/i915_trace.h:1: warning: no structured comments found include/linux/skbuff.h:862: warning: Function parameter or member 'dev_scratch' not described in 'sk_buff' include/linux/skbuff.h:862: warning: Function parameter or member 'list' not described in 'sk_buff' include/linux/skbuff.h:862: warning: Function parameter or member 'ip_defrag_offset' not described in 'sk_buff' include/linux/skbuff.h:862: warning: Function parameter or member 'skb_mstamp_ns' not described in 'sk_buff' include/linux/skbuff.h:862: warning: Function parameter or member '__cloned_offset' not described in 'sk_buff' include/linux/skbuff.h:862: warning: Function parameter or member 'head_frag' not described in 'sk_buff' include/linux/skbuff.h:862: warning: Function parameter or member '__pkt_type_offset' not described in 'sk_buff' include/linux/skbuff.h:862: warning: Function parameter or member 'encapsulation' not described in 'sk_buff' include/linux/skbuff.h:862: warning: Function parameter or member 'encap_hdr_csum' not described in 'sk_buff' include/linux/skbuff.h:862: warning: Function parameter or member 'csum_valid' not described in 'sk_buff' include/linux/skbuff.h:862: warning: Function parameter or member 'csum_complete_sw' not described in 'sk_buff' include/linux/skbuff.h:862: warning: Function parameter or member 'csum_level' not described in 'sk_buff' include/linux/skbuff.h:862: warning: Function parameter or member 'inner_protocol_type' not described in 'sk_buff' include/linux/skbuff.h:862: warning: Function parameter or member 'remcsum_offload' not described in 'sk_buff' include/linux/skbuff.h:862: warning: Function parameter or member 'offload_fwd_mark' not described in 'sk_buff' include/linux/skbuff.h:862: warning: Function parameter or member 'offload_mr_fwd_mark' not described in 'sk_buff' include/linux/skbuff.h:862: warning: Function parameter or member 'sender_cpu' not described in 'sk_buff' include/linux/skbuff.h:862: warning: Function parameter or member 'reserved_tailroom' not described in 'sk_buff' include/linux/skbuff.h:862: warning: Function parameter or member 'inner_ipproto' not described in 'sk_buff' include/net/sock.h:238: warning: Function parameter or member 'skc_addrpair' not described in 'sock_common' include/net/sock.h:238: warning: Function parameter or member 'skc_portpair' not described in 'sock_common' include/net/sock.h:238: warning: Function parameter or member 'skc_ipv6only' not described in 'sock_common' include/net/sock.h:238: warning: Function parameter or member 'skc_net_refcnt' not described in 'sock_common' vim +2400 include/net/mac80211.h 1bc0826c8f Johannes Berg 2007-09-18 2242 7ac1bd6aec Johannes Berg 2007-09-14 2243 /** 7ac1bd6aec Johannes Berg 2007-09-14 2244 * struct ieee80211_hw - hardware information and state 75a5f0ccfd Johannes Berg 2007-09-18 2245 * 75a5f0ccfd Johannes Berg 2007-09-18 2246 * This structure contains the configuration and hardware 75a5f0ccfd Johannes Berg 2007-09-18 2247 * information for an 802.11 PHY. 75a5f0ccfd Johannes Berg 2007-09-18 2248 * 75a5f0ccfd Johannes Berg 2007-09-18 2249 * @wiphy: This points to the &struct wiphy allocated for this 75a5f0ccfd Johannes Berg 2007-09-18 2250 * 802.11 PHY. You must fill in the @perm_addr and @dev 75a5f0ccfd Johannes Berg 2007-09-18 2251 * members of this structure using SET_IEEE80211_DEV() 8318d78a44 Johannes Berg 2008-01-24 2252 * and SET_IEEE80211_PERM_ADDR(). Additionally, all supported 8318d78a44 Johannes Berg 2008-01-24 2253 * bands (with channels, bitrates) are registered here. 75a5f0ccfd Johannes Berg 2007-09-18 2254 * 75a5f0ccfd Johannes Berg 2007-09-18 2255 * @conf: &struct ieee80211_conf, device configuration, don't use. 75a5f0ccfd Johannes Berg 2007-09-18 2256 * 75a5f0ccfd Johannes Berg 2007-09-18 2257 * @priv: pointer to private area that was allocated for driver use 75a5f0ccfd Johannes Berg 2007-09-18 2258 * along with this structure. 75a5f0ccfd Johannes Berg 2007-09-18 2259 * 75a5f0ccfd Johannes Berg 2007-09-18 2260 * @flags: hardware flags, see &enum ieee80211_hw_flags. 75a5f0ccfd Johannes Berg 2007-09-18 2261 * 75a5f0ccfd Johannes Berg 2007-09-18 2262 * @extra_tx_headroom: headroom to reserve in each transmit skb 75a5f0ccfd Johannes Berg 2007-09-18 2263 * for use by the driver (e.g. for transmit headers.) 75a5f0ccfd Johannes Berg 2007-09-18 2264 * 70dabeb74e Felix Fietkau 2013-12-14 2265 * @extra_beacon_tailroom: tailroom to reserve in each beacon tx skb. 70dabeb74e Felix Fietkau 2013-12-14 2266 * Can be used by drivers to add extra IEs. 75a5f0ccfd Johannes Berg 2007-09-18 2267 * 566bfe5a8b Bruno Randolf 2008-05-08 2268 * @max_signal: Maximum value for signal (rssi) in RX information, used 566bfe5a8b Bruno Randolf 2008-05-08 2269 * only when @IEEE80211_HW_SIGNAL_UNSPEC or @IEEE80211_HW_SIGNAL_DB 75a5f0ccfd Johannes Berg 2007-09-18 2270 * ea95bba41e Tomas Winkler 2008-07-18 2271 * @max_listen_interval: max listen interval in units of beacon interval ea95bba41e Tomas Winkler 2008-07-18 2272 * that HW supports ea95bba41e Tomas Winkler 2008-07-18 2273 * 75a5f0ccfd Johannes Berg 2007-09-18 2274 * @queues: number of available hardware transmit queues for e100bb64bf Johannes Berg 2008-04-30 2275 * data packets. WMM/QoS requires at least four, these e100bb64bf Johannes Berg 2008-04-30 2276 * queues need to have configurable access parameters. e100bb64bf Johannes Berg 2008-04-30 2277 * 830f903866 Johannes Berg 2007-10-28 2278 * @rate_control_algorithm: rate control algorithm for this hardware. 830f903866 Johannes Berg 2007-10-28 2279 * If unset (NULL), the default algorithm will be used. Must be 830f903866 Johannes Berg 2007-10-28 2280 * set before calling ieee80211_register_hw(). 32bfd35d4b Johannes Berg 2007-12-19 2281 * 32bfd35d4b Johannes Berg 2007-12-19 2282 * @vif_data_size: size (in bytes) of the drv_priv data area 32bfd35d4b Johannes Berg 2007-12-19 2283 * within &struct ieee80211_vif. 17741cdc26 Johannes Berg 2008-09-11 2284 * @sta_data_size: size (in bytes) of the drv_priv data area 17741cdc26 Johannes Berg 2008-09-11 2285 * within &struct ieee80211_sta. d01a1e6586 Michal Kazior 2012-06-26 2286 * @chanctx_data_size: size (in bytes) of the drv_priv data area d01a1e6586 Michal Kazior 2012-06-26 2287 * within &struct ieee80211_chanctx_conf. ba8c3d6f16 Felix Fietkau 2015-03-27 2288 * @txq_data_size: size (in bytes) of the drv_priv data area ba8c3d6f16 Felix Fietkau 2015-03-27 2289 * within @struct ieee80211_txq. 870abdf671 Felix Fietkau 2008-10-05 2290 * 78be49ec2a Helmut Schaa 2010-10-02 2291 * @max_rates: maximum number of alternate rate retry stages the hw 78be49ec2a Helmut Schaa 2010-10-02 2292 * can handle. 78be49ec2a Helmut Schaa 2010-10-02 2293 * @max_report_rates: maximum number of alternate rate retry stages 78be49ec2a Helmut Schaa 2010-10-02 2294 * the hw can report back. e6a9854b05 Johannes Berg 2008-10-21 2295 * @max_rate_tries: maximum number of tries for each stage 4e6cbfd09c John W. Linville 2010-07-29 2296 * df6ba5d80d Luciano Coelho 2011-01-12 2297 * @max_rx_aggregation_subframes: maximum buffer size (number of df6ba5d80d Luciano Coelho 2011-01-12 2298 * sub-frames) to be used for A-MPDU block ack receiver df6ba5d80d Luciano Coelho 2011-01-12 2299 * aggregation. df6ba5d80d Luciano Coelho 2011-01-12 2300 * This is only relevant if the device has restrictions on the df6ba5d80d Luciano Coelho 2011-01-12 2301 * number of subframes, if it relies on mac80211 to do reordering df6ba5d80d Luciano Coelho 2011-01-12 2302 * it shouldn't be set. 5dd36bc933 Johannes Berg 2011-01-18 2303 * 5dd36bc933 Johannes Berg 2011-01-18 2304 * @max_tx_aggregation_subframes: maximum number of subframes in an 41cbb0f5a2 Luca Coelho 2018-06-09 2305 * aggregate an HT/HE device will transmit. In HT AddBA we'll 41cbb0f5a2 Luca Coelho 2018-06-09 2306 * advertise a constant value of 64 as some older APs crash if 41cbb0f5a2 Luca Coelho 2018-06-09 2307 * the window size is smaller (an example is LinkSys WRT120N 41cbb0f5a2 Luca Coelho 2018-06-09 2308 * with FW v1.0.07 build 002 Jun 18 2012). 41cbb0f5a2 Luca Coelho 2018-06-09 2309 * For AddBA to HE capable peers this value will be used. 3a25a8c8b7 Johannes Berg 2012-04-03 2310 * 6e0456b545 Felix Fietkau 2016-03-03 2311 * @max_tx_fragments: maximum number of tx buffers per (A)-MSDU, sum 6e0456b545 Felix Fietkau 2016-03-03 2312 * of 1 + skb_shinfo(skb)->nr_frags for each skb in the frag_list. 6e0456b545 Felix Fietkau 2016-03-03 2313 * 3a25a8c8b7 Johannes Berg 2012-04-03 2314 * @offchannel_tx_hw_queue: HW queue ID to use for offchannel TX 3a25a8c8b7 Johannes Berg 2012-04-03 2315 * (if %IEEE80211_HW_QUEUE_CONTROL is set) ac55d2fe05 Johannes Berg 2012-05-10 2316 * ac55d2fe05 Johannes Berg 2012-05-10 2317 * @radiotap_mcs_details: lists which MCS information can the HW ac55d2fe05 Johannes Berg 2012-05-10 2318 * reports, by default it is set to _MCS, _GI and _BW but doesn't b4f7f4ad42 Jani Nikula 2016-10-21 2319 * include _FMT. Use %IEEE80211_RADIOTAP_MCS_HAVE_\* values, only ac55d2fe05 Johannes Berg 2012-05-10 2320 * adding _BW is supported today. 72d7872852 Arik Nemtsov 2012-05-10 2321 * 5164892184 Johannes Berg 2012-11-22 2322 * @radiotap_vht_details: lists which VHT MCS information the HW reports, 5164892184 Johannes Berg 2012-11-22 2323 * the default is _GI | _BANDWIDTH. b4f7f4ad42 Jani Nikula 2016-10-21 2324 * Use the %IEEE80211_RADIOTAP_VHT_KNOWN_\* values. 5164892184 Johannes Berg 2012-11-22 2325 * 41cbb0f5a2 Luca Coelho 2018-06-09 2326 * @radiotap_he: HE radiotap validity flags 41cbb0f5a2 Luca Coelho 2018-06-09 2327 * 99ee7cae3b Johannes Berg 2016-08-29 2328 * @radiotap_timestamp: Information for the radiotap timestamp field; if the 99ee7cae3b Johannes Berg 2016-08-29 2329 * 'units_pos' member is set to a non-negative value it must be set to 99ee7cae3b Johannes Berg 2016-08-29 2330 * a combination of a IEEE80211_RADIOTAP_TIMESTAMP_UNIT_* and a 99ee7cae3b Johannes Berg 2016-08-29 2331 * IEEE80211_RADIOTAP_TIMESTAMP_SPOS_* value, and then the timestamp 99ee7cae3b Johannes Berg 2016-08-29 2332 * field will be added and populated from the &struct ieee80211_rx_status 99ee7cae3b Johannes Berg 2016-08-29 2333 * device_timestamp. If the 'accuracy' member is non-negative, it's put 99ee7cae3b Johannes Berg 2016-08-29 2334 * into the accuracy radiotap field and the accuracy known flag is set. 99ee7cae3b Johannes Berg 2016-08-29 2335 * 72d7872852 Arik Nemtsov 2012-05-10 2336 * @netdev_features: netdev features to be set in each netdev created 680a0daba7 Johannes Berg 2015-04-13 2337 * from this HW. Note that not all features are usable with mac80211, 680a0daba7 Johannes Berg 2015-04-13 2338 * other features will be rejected during HW registration. 219c38674c Alexander Bondar 2013-01-22 2339 * 219c38674c Alexander Bondar 2013-01-22 2340 * @uapsd_queues: This bitmap is included in (re)association frame to indicate 219c38674c Alexander Bondar 2013-01-22 2341 * for each access category if it is uAPSD trigger-enabled and delivery- 219c38674c Alexander Bondar 2013-01-22 2342 * enabled. Use IEEE80211_WMM_IE_STA_QOSINFO_AC_* to set this bitmap. 219c38674c Alexander Bondar 2013-01-22 2343 * Each bit corresponds to different AC. Value '1' in specific bit means 219c38674c Alexander Bondar 2013-01-22 2344 * that corresponding AC is both trigger- and delivery-enabled. '0' means 219c38674c Alexander Bondar 2013-01-22 2345 * neither enabled. 219c38674c Alexander Bondar 2013-01-22 2346 * 219c38674c Alexander Bondar 2013-01-22 2347 * @uapsd_max_sp_len: maximum number of total buffered frames the WMM AP may 219c38674c Alexander Bondar 2013-01-22 2348 * deliver to a WMM STA during any Service Period triggered by the WMM STA. 219c38674c Alexander Bondar 2013-01-22 2349 * Use IEEE80211_WMM_IE_STA_QOSINFO_SP_* for correct values. 2475b1cc0d Max Stepanov 2013-03-24 2350 * 2475b1cc0d Max Stepanov 2013-03-24 2351 * @n_cipher_schemes: a size of an array of cipher schemes definitions. 2475b1cc0d Max Stepanov 2013-03-24 2352 * @cipher_schemes: a pointer to an array of cipher scheme definitions 2475b1cc0d Max Stepanov 2013-03-24 2353 * supported by HW. 167e33f4f6 Ayala Beker 2016-09-20 2354 * @max_nan_de_entries: maximum number of NAN DE functions supported by the 167e33f4f6 Ayala Beker 2016-09-20 2355 * device. 70e53669c4 Wen Gong 2018-08-08 2356 * 70e53669c4 Wen Gong 2018-08-08 2357 * @tx_sk_pacing_shift: Pacing shift to set on TCP sockets when frames from 70e53669c4 Wen Gong 2018-08-08 2358 * them are encountered. The default should typically not be changed, 70e53669c4 Wen Gong 2018-08-08 2359 * unless the driver has good reasons for needing more buffers. 30e0c99838 Toke Høiland-Jørgensen 2018-11-09 2360 * 30e0c99838 Toke Høiland-Jørgensen 2018-11-09 2361 * @weight_multipler: Driver specific airtime weight multiplier used while 30e0c99838 Toke Høiland-Jørgensen 2018-11-09 2362 * refilling deficit of each TXQ. 7ac1bd6aec Johannes Berg 2007-09-14 2363 */ f0706e828e Jiri Benc 2007-05-05 2364 struct ieee80211_hw { f0706e828e Jiri Benc 2007-05-05 2365 struct ieee80211_conf conf; 75a5f0ccfd Johannes Berg 2007-09-18 2366 struct wiphy *wiphy; 830f903866 Johannes Berg 2007-10-28 2367 const char *rate_control_algorithm; f0706e828e Jiri Benc 2007-05-05 2368 void *priv; 30686bf7f5 Johannes Berg 2015-06-02 2369 unsigned long flags[BITS_TO_LONGS(NUM_IEEE80211_HW_FLAGS)]; f0706e828e Jiri Benc 2007-05-05 2370 unsigned int extra_tx_headroom; 70dabeb74e Felix Fietkau 2013-12-14 2371 unsigned int extra_beacon_tailroom; 32bfd35d4b Johannes Berg 2007-12-19 2372 int vif_data_size; 17741cdc26 Johannes Berg 2008-09-11 2373 int sta_data_size; d01a1e6586 Michal Kazior 2012-06-26 2374 int chanctx_data_size; ba8c3d6f16 Felix Fietkau 2015-03-27 2375 int txq_data_size; ea95bba41e Tomas Winkler 2008-07-18 2376 u16 queues; ea95bba41e Tomas Winkler 2008-07-18 2377 u16 max_listen_interval; f0706e828e Jiri Benc 2007-05-05 2378 s8 max_signal; e6a9854b05 Johannes Berg 2008-10-21 2379 u8 max_rates; 78be49ec2a Helmut Schaa 2010-10-02 2380 u8 max_report_rates; e6a9854b05 Johannes Berg 2008-10-21 2381 u8 max_rate_tries; 41cbb0f5a2 Luca Coelho 2018-06-09 2382 u16 max_rx_aggregation_subframes; 41cbb0f5a2 Luca Coelho 2018-06-09 2383 u16 max_tx_aggregation_subframes; 6e0456b545 Felix Fietkau 2016-03-03 2384 u8 max_tx_fragments; 3a25a8c8b7 Johannes Berg 2012-04-03 2385 u8 offchannel_tx_hw_queue; ac55d2fe05 Johannes Berg 2012-05-10 2386 u8 radiotap_mcs_details; 5164892184 Johannes Berg 2012-11-22 2387 u16 radiotap_vht_details; 99ee7cae3b Johannes Berg 2016-08-29 2388 struct { 99ee7cae3b Johannes Berg 2016-08-29 2389 int units_pos; 99ee7cae3b Johannes Berg 2016-08-29 2390 s16 accuracy; 99ee7cae3b Johannes Berg 2016-08-29 2391 } radiotap_timestamp; 72d7872852 Arik Nemtsov 2012-05-10 2392 netdev_features_t netdev_features; 219c38674c Alexander Bondar 2013-01-22 2393 u8 uapsd_queues; 219c38674c Alexander Bondar 2013-01-22 2394 u8 uapsd_max_sp_len; 2475b1cc0d Max Stepanov 2013-03-24 2395 u8 n_cipher_schemes; 2475b1cc0d Max Stepanov 2013-03-24 2396 const struct ieee80211_cipher_scheme *cipher_schemes; 167e33f4f6 Ayala Beker 2016-09-20 2397 u8 max_nan_de_entries; 70e53669c4 Wen Gong 2018-08-08 2398 u8 tx_sk_pacing_shift; 30e0c99838 Toke Høiland-Jørgensen 2018-11-09 2399 u8 weight_multiplier; f0706e828e Jiri Benc 2007-05-05 @2400 }; f0706e828e Jiri Benc 2007-05-05 2401 :::::: The code at line 2400 was first introduced by commit :::::: f0706e828e96d0fa4e80c0d25aa98523f6d589a0 [MAC80211]: Add mac80211 wireless stack. :::::: TO: Jiri Benc <jbenc@suse.cz> :::::: CC: David S. Miller <davem@davemloft.net> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 18b11c119b7e..c43d615ee9b1 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -2357,6 +2357,9 @@ enum ieee80211_hw_flags { * @tx_sk_pacing_shift: Pacing shift to set on TCP sockets when frames from * them are encountered. The default should typically not be changed, * unless the driver has good reasons for needing more buffers. + * + * @weight_multipler: Driver specific airtime weight multiplier used while + * refilling deficit of each TXQ. */ struct ieee80211_hw { struct ieee80211_conf conf; @@ -2393,6 +2396,7 @@ struct ieee80211_hw { const struct ieee80211_cipher_scheme *cipher_schemes; u8 max_nan_de_entries; u8 tx_sk_pacing_shift; + u8 weight_multiplier; }; static inline bool _ieee80211_hw_check(struct ieee80211_hw *hw, @@ -5393,6 +5397,34 @@ void ieee80211_sta_block_awake(struct ieee80211_hw *hw, void ieee80211_send_eosp_nullfunc(struct ieee80211_sta *pubsta, int tid); /** + * ieee80211_sta_register_airtime - register airtime usage for a sta/tid + * + * Register airtime usage for a given sta on a given tid. The driver can call + * this function to notify mac80211 that a station used a certain amount of + * airtime. This information will be used by the TXQ scheduler to schedule + * stations in a way that ensures airtime fairness. + * + * The reported airtime should as a minimum include all time that is spent + * transmitting to the remote station, including overhead and padding, but not + * including time spent waiting for a TXOP. If the time is not reported by the + * hardware it can in some cases be calculated from the rate and known frame + * composition. When possible, the time should include any failed transmission + * attempts. + * + * The driver can either call this function synchronously for every packet or + * aggregate, or asynchronously as airtime usage information becomes available. + * TX and RX airtime can be reported together, or separately by setting one of + * them to 0. + * + * @pubsta: the station + * @tid: the TID to register airtime for + * @tx_airtime: airtime used during TX (in usec) + * @rx_airtime: airtime used during RX (in usec) + */ +void ieee80211_sta_register_airtime(struct ieee80211_sta *pubsta, u8 tid, + u32 tx_airtime, u32 rx_airtime); + +/** * ieee80211_iter_keys - iterate keys programmed into the device * @hw: pointer obtained from ieee80211_alloc_hw() * @vif: virtual interface to iterate, may be %NULL for all @@ -6150,6 +6182,33 @@ struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw, void ieee80211_txq_schedule_end(struct ieee80211_hw *hw, u8 ac); /** + * ieee80211_txq_may_transmit - check whether TXQ is allowed to transmit + * + * This function is used to check whether given txq is allowed to transmit by + * the airtime scheduler, and can be used by drivers to access the airtime + * fairness accounting without going using the scheduling order enfored by + * next_txq(). + * + * Returns %true if the airtime scheduler thinks the TXQ should be allowed to + * transmit, and %false if it should be throttled. This function can also have + * the side effect of rotating the TXQ in the scheduler rotation, which will + * eventually bring the deficit to positive and allow the station to transmit + * again. + * + * The API ieee80211_txq_may_transmit() also ensures that TXQ list will be + * aligned aginst driver's own round-robin scheduler list. i.e it rotates + * the TXQ list till it makes the requested node becomes the first entry + * in TXQ list. Thus both the TXQ list and driver's list are in sync. If this + * function returns %true, the driver is expected to schedule packets + * for transmission, and then return the TXQ through ieee80211_return_txq(). + * + * @hw: pointer as obtained from ieee80211_alloc_hw() + * @txq: pointer obtained from station or virtual interface + */ +bool ieee80211_txq_may_transmit(struct ieee80211_hw *hw, + struct ieee80211_txq *txq); + +/** * ieee80211_txq_get_depth - get pending frame/byte count of given txq * * The values are not guaranteed to be coherent with regard to each other, i.e. diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 818aa0060349..57c59e5ceb98 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1447,6 +1447,9 @@ static int sta_apply_parameters(struct ieee80211_local *local, if (ieee80211_vif_is_mesh(&sdata->vif)) sta_apply_mesh_params(local, sta, params); + if (params->airtime_weight) + sta->airtime_weight = params->airtime_weight; + /* set the STA state after all sta info from usermode has been set */ if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) || set & BIT(NL80211_STA_FLAG_ASSOCIATED)) { diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index 3fe541e358f3..81c5fec2eae7 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -383,6 +383,9 @@ void debugfs_hw_add(struct ieee80211_local *local) if (local->ops->wake_tx_queue) DEBUGFS_ADD_MODE(aqm, 0600); + debugfs_create_u16("airtime_flags", 0600, + phyd, &local->airtime_flags); + statsd = debugfs_create_dir("statistics", phyd); /* if the dir failed, don't put all the other things into the root! */ diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index af5185a836e5..446908ab3f5d 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -181,9 +181,9 @@ static ssize_t sta_aqm_read(struct file *file, char __user *userbuf, txqi->tin.tx_bytes, txqi->tin.tx_packets, txqi->flags, - txqi->flags & (1<<IEEE80211_TXQ_STOP) ? "STOP" : "RUN", - txqi->flags & (1<<IEEE80211_TXQ_AMPDU) ? " AMPDU" : "", - txqi->flags & (1<<IEEE80211_TXQ_NO_AMSDU) ? " NO-AMSDU" : ""); + test_bit(IEEE80211_TXQ_STOP, &txqi->flags) ? "STOP" : "RUN", + test_bit(IEEE80211_TXQ_AMPDU, &txqi->flags) ? " AMPDU" : "", + test_bit(IEEE80211_TXQ_NO_AMSDU, &txqi->flags) ? " NO-AMSDU" : ""); } rcu_read_unlock(); @@ -195,6 +195,46 @@ static ssize_t sta_aqm_read(struct file *file, char __user *userbuf, } STA_OPS(aqm); +static ssize_t sta_airtime_read(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + struct sta_info *sta = file->private_data; + struct ieee80211_local *local = sta->sdata->local; + size_t bufsz = 200; + char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf; + u64 rx_airtime = 0, tx_airtime = 0; + s64 deficit[IEEE80211_NUM_ACS]; + ssize_t rv; + int ac; + + if (!buf) + return -ENOMEM; + + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { + spin_lock_bh(&local->active_txq_lock[ac]); + rx_airtime += sta->airtime[ac].rx_airtime; + tx_airtime += sta->airtime[ac].tx_airtime; + deficit[ac] = sta->airtime[ac].deficit; + spin_unlock_bh(&local->active_txq_lock[ac]); + } + + p += scnprintf(p, bufsz + buf - p, + "RX: %llu us\nTX: %llu us\nWeight: %u\n" + "Deficit: VO: %lld us VI: %lld us BE: %lld us BK: %lld us\n", + rx_airtime, + tx_airtime, + sta->airtime_weight, + deficit[0], + deficit[1], + deficit[2], + deficit[3]); + + rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); + kfree(buf); + return rv; +} +STA_OPS(airtime); + static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { @@ -906,6 +946,10 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta) if (local->ops->wake_tx_queue) DEBUGFS_ADD(aqm); + if (wiphy_ext_feature_isset(local->hw.wiphy, + NL80211_EXT_FEATURE_AIRTIME_FAIRNESS)) + DEBUGFS_ADD(airtime); + if (sizeof(sta->driver_buffered_tids) == sizeof(u32)) debugfs_create_x32("driver_buffered_tids", 0400, sta->debugfs_dir, diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 33763a2eac81..c5b6ba571288 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1137,6 +1137,8 @@ struct ieee80211_local { struct list_head active_txqs[IEEE80211_NUM_ACS]; u16 schedule_round[IEEE80211_NUM_ACS]; + u16 airtime_flags; + const struct ieee80211_ops *ops; /* diff --git a/net/mac80211/main.c b/net/mac80211/main.c index ba64757afea4..3710727fa9c1 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -667,6 +667,7 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len, INIT_LIST_HEAD(&local->active_txqs[i]); spin_lock_init(&local->active_txq_lock[i]); } + local->airtime_flags = AIRTIME_USE_TX | AIRTIME_USE_RX; INIT_LIST_HEAD(&local->chanctx_list); mutex_init(&local->chanctx_mtx); @@ -1153,6 +1154,9 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) if (!local->hw.max_nan_de_entries) local->hw.max_nan_de_entries = IEEE80211_MAX_NAN_INSTANCE_ID; + if (!local->hw.weight_multiplier) + local->hw.weight_multiplier = 1; + result = ieee80211_wep_init(local); if (result < 0) wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n", diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index c2f5cb7df54f..114277ff3624 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -90,7 +90,6 @@ static void __cleanup_single_sta(struct sta_info *sta) struct tid_ampdu_tx *tid_tx; struct ieee80211_sub_if_data *sdata = sta->sdata; struct ieee80211_local *local = sdata->local; - struct fq *fq = &local->fq; struct ps_data *ps; if (test_sta_flag(sta, WLAN_STA_PS_STA) || @@ -120,9 +119,7 @@ static void __cleanup_single_sta(struct sta_info *sta) txqi = to_txq_info(sta->sta.txq[i]); - spin_lock_bh(&fq->lock); ieee80211_txq_purge(local, txqi); - spin_unlock_bh(&fq->lock); } } @@ -387,9 +384,12 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata, if (sta_prepare_rate_control(local, sta, gfp)) goto free_txq; + sta->airtime_weight = IEEE80211_DEFAULT_AIRTIME_WEIGHT; + for (i = 0; i < IEEE80211_NUM_ACS; i++) { skb_queue_head_init(&sta->ps_tx_buf[i]); skb_queue_head_init(&sta->tx_filtered[i]); + sta->airtime[i].deficit = sta->airtime_weight; } for (i = 0; i < IEEE80211_NUM_TIDS; i++) @@ -1826,6 +1826,27 @@ void ieee80211_sta_set_buffered(struct ieee80211_sta *pubsta, } EXPORT_SYMBOL(ieee80211_sta_set_buffered); +void ieee80211_sta_register_airtime(struct ieee80211_sta *pubsta, u8 tid, + u32 tx_airtime, u32 rx_airtime) +{ + struct sta_info *sta = container_of(pubsta, struct sta_info, sta); + struct ieee80211_local *local = sta->sdata->local; + u8 ac = ieee80211_ac_from_tid(tid); + u32 airtime = 0; + + if (sta->local->airtime_flags & AIRTIME_USE_TX) + airtime += tx_airtime; + if (sta->local->airtime_flags & AIRTIME_USE_RX) + airtime += rx_airtime; + + spin_lock_bh(&local->active_txq_lock[ac]); + sta->airtime[ac].tx_airtime += tx_airtime; + sta->airtime[ac].rx_airtime += rx_airtime; + sta->airtime[ac].deficit -= airtime; + spin_unlock_bh(&local->active_txq_lock[ac]); +} +EXPORT_SYMBOL(ieee80211_sta_register_airtime); + int sta_info_move_state(struct sta_info *sta, enum ieee80211_sta_state new_state) { @@ -2188,6 +2209,23 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo, sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED); } + if (!(sinfo->filled & BIT(NL80211_STA_INFO_RX_DURATION))) { + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) + sinfo->rx_duration += sta->airtime[ac].rx_airtime; + sinfo->filled |= BIT(NL80211_STA_INFO_RX_DURATION); + } + + if (!(sinfo->filled & BIT(NL80211_STA_INFO_TX_DURATION))) { + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) + sinfo->tx_duration += sta->airtime[ac].tx_airtime; + sinfo->filled |= BIT(NL80211_STA_INFO_TX_DURATION); + } + + if (!(sinfo->filled & BIT(NL80211_STA_INFO_AIRTIME_WEIGHT))) { + sinfo->airtime_weight = sta->airtime_weight; + sinfo->filled |= BIT(NL80211_STA_INFO_AIRTIME_WEIGHT); + } + sinfo->rx_dropped_misc = sta->rx_stats.dropped; if (sta->pcpu_rx_stats) { for_each_possible_cpu(cpu) { diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index 9a04327d71d1..b1b0fd6a2e21 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -127,6 +127,16 @@ enum ieee80211_agg_stop_reason { AGG_STOP_DESTROY_STA, }; +/* Debugfs flags to enable/disable use of RX/TX airtime in scheduler */ +#define AIRTIME_USE_TX BIT(0) +#define AIRTIME_USE_RX BIT(1) + +struct airtime_info { + u64 rx_airtime; + u64 tx_airtime; + s64 deficit; +}; + struct sta_info; /** @@ -563,6 +573,9 @@ struct sta_info { } tx_stats; u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1]; + struct airtime_info airtime[IEEE80211_NUM_ACS]; + u16 airtime_weight; + /* * Aggregation information, locked with lock. */ diff --git a/net/mac80211/status.c b/net/mac80211/status.c index aa4afbf0abaf..a1f1256448f5 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -818,6 +818,12 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw, ieee80211_sta_tx_notify(sta->sdata, (void *) skb->data, acked, info->status.tx_time); + if (info->status.tx_time && + wiphy_ext_feature_isset(local->hw.wiphy, + NL80211_EXT_FEATURE_AIRTIME_FAIRNESS)) + ieee80211_sta_register_airtime(&sta->sta, tid, + info->status.tx_time, 0); + if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) { if (info->flags & IEEE80211_TX_STAT_ACK) { if (sta->status_stats.lost_packets) diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 305965283506..dd2354188357 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1488,8 +1488,11 @@ void ieee80211_txq_purge(struct ieee80211_local *local, struct fq *fq = &local->fq; struct fq_tin *tin = &txqi->tin; + spin_lock_bh(&fq->lock); fq_tin_reset(fq, tin, fq_skb_free_func); ieee80211_purge_tx_queue(&local->hw, &txqi->frags); + spin_unlock_bh(&fq->lock); + spin_lock_bh(&local->active_txq_lock[txqi->txq.ac]); list_del_init(&txqi->schedule_order); spin_unlock_bh(&local->active_txq_lock[txqi->txq.ac]); @@ -3638,11 +3641,28 @@ struct ieee80211_txq *ieee80211_next_txq(struct ieee80211_hw *hw, u8 ac) lockdep_assert_held(&local->active_txq_lock[ac]); + begin: txqi = list_first_entry_or_null(&local->active_txqs[ac], struct txq_info, schedule_order); + if (!txqi) + return NULL; + + if (txqi->txq.sta) { + struct sta_info *sta = container_of(txqi->txq.sta, + struct sta_info, sta); + + if (sta->airtime[txqi->txq.ac].deficit < 0) { + sta->airtime[txqi->txq.ac].deficit += + sta->airtime_weight; + list_move_tail(&txqi->schedule_order, + &local->active_txqs[txqi->txq.ac]); + goto begin; + } + } + - if (!txqi || txqi->schedule_round == local->schedule_round[ac]) + if (txqi->schedule_round == local->schedule_round[ac]) return NULL; list_del_init(&txqi->schedule_order); @@ -3660,12 +3680,74 @@ void ieee80211_return_txq(struct ieee80211_hw *hw, lockdep_assert_held(&local->active_txq_lock[txq->ac]); if (list_empty(&txqi->schedule_order) && - (!skb_queue_empty(&txqi->frags) || txqi->tin.backlog_packets)) - list_add_tail(&txqi->schedule_order, - &local->active_txqs[txq->ac]); + (!skb_queue_empty(&txqi->frags) || txqi->tin.backlog_packets)) { + /* If airtime accounting is active, always enqueue STAs at the + * head of the list to ensure that they only get moved to the + * back by the airtime DRR scheduler once they have a negative + * deficit. A station that already has a negative deficit will + * get immediately moved to the back of the list on the next + * call to ieee80211_next_txq(). + */ + if (wiphy_ext_feature_isset(local->hw.wiphy, + NL80211_EXT_FEATURE_AIRTIME_FAIRNESS) + && txqi->txq.sta) + list_add(&txqi->schedule_order, + &local->active_txqs[txq->ac]); + else + list_add_tail(&txqi->schedule_order, + &local->active_txqs[txq->ac]); + } } EXPORT_SYMBOL(ieee80211_return_txq); +bool ieee80211_txq_may_transmit(struct ieee80211_hw *hw, + struct ieee80211_txq *txq) +{ + struct ieee80211_local *local = hw_to_local(hw); + struct txq_info *iter, *tmp, *txqi = to_txq_info(txq); + struct sta_info *sta; + u8 ac = txq->ac; + + lockdep_assert_held(&local->active_txq_lock[ac]); + + if (!txqi->txq.sta) + goto out; + + if (list_empty(&txqi->schedule_order)) + goto out; + + list_for_each_entry_safe(iter, tmp, &local->active_txqs[ac], + schedule_order) { + if (iter == txqi) + break; + + if (!iter->txq.sta) { + list_move_tail(&iter->schedule_order, + &local->active_txqs[ac]); + continue; + } + sta = container_of(iter->txq.sta, struct sta_info, sta); + if (sta->airtime[ac].deficit < 0) + sta->airtime[ac].deficit += sta->airtime_weight; + list_move_tail(&iter->schedule_order, &local->active_txqs[ac]); + } + + sta = container_of(txqi->txq.sta, struct sta_info, sta); + if (sta->airtime[ac].deficit >= 0) + goto out; + + sta->airtime[ac].deficit += sta->airtime_weight; + list_move_tail(&txqi->schedule_order, &local->active_txqs[ac]); + + return false; +out: + if (!list_empty(&txqi->schedule_order)) + list_del_init(&txqi->schedule_order); + + return true; +} +EXPORT_SYMBOL(ieee80211_txq_may_transmit); + void ieee80211_txq_schedule_start(struct ieee80211_hw *hw, u8 ac) { struct ieee80211_local *local = hw_to_local(hw);