tree: https://github.com/nbd168/wireless mt76 head: 632aeeec329ae1e7426806dfd825e7efdd4e73e8 commit: d2cf90e432b3f94878b2bbbee11f5ea0500020dd [75/86] mt76: mt7915: update rx rate reporting for mt7916 config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20211221/202112210355.uzkDTs8K-lk...) compiler: alpha-linux-gcc (GCC) 11.2.0 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/nbd168/wireless/commit/d2cf90e432b3f94878b2bbbee11f5ea... git remote add nbd168-wireless https://github.com/nbd168/wireless git fetch --no-tags nbd168-wireless mt76 git checkout d2cf90e432b3f94878b2bbbee11f5ea0500020dd # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=alpha SHELL=/bin/bash drivers/net/wireless/mediatek/mt76/mt7915/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/net/wireless/mediatek/mt76/mt7915/mac.c: In function 'mt7915_mac_fill_rx_rate': 472 | u16 legacy; | ^~~~~~ 471 | u32 v0, v1, v2; | ^~ vim +/legacy +472 drivers/net/wireless/mediatek/mt76/mt7915/mac.c 464 465 static int 466 mt7915_mac_fill_rx_rate(struct mt7915_dev *dev, 467 struct mt76_rx_status *status, 468 struct ieee80211_supported_band *sband, 469 __le32 *rxv) 470 { 473 u8 flags, stbc, gi, bw, dcm, mode, nss; 474 int i, idx; 475 bool cck = false; 476 477 v0 = le32_to_cpu(rxv[0]); 478 v1 = le32_to_cpu(rxv[1]); 479 v2 = le32_to_cpu(rxv[2]); 480 481 idx = i = FIELD_GET(MT_PRXV_TX_RATE, v0); 482 nss = FIELD_GET(MT_PRXV_NSTS, v0) + 1; 483 484 if (!is_mt7915(&dev->mt76)) { 485 stbc = FIELD_GET(MT_PRXV_HT_STBC, v0); 486 gi = FIELD_GET(MT_PRXV_HT_SHORT_GI, v0); 487 mode = FIELD_GET(MT_PRXV_TX_MODE, v0); 488 dcm = FIELD_GET(MT_PRXV_DCM, v0); 489 bw = FIELD_GET(MT_PRXV_FRAME_MODE, v0); 490 } else { 491 stbc = FIELD_GET(MT_CRXV_HT_STBC, v2); 492 gi = FIELD_GET(MT_CRXV_HT_SHORT_GI, v2); 493 mode = FIELD_GET(MT_CRXV_TX_MODE, v2); 494 dcm = !!(idx & GENMASK(3, 0) & MT_PRXV_TX_DCM); 495 bw = FIELD_GET(MT_CRXV_FRAME_MODE, v2); 496 } 497 498 switch (mode) { 499 case MT_PHY_TYPE_CCK: 500 cck = true; 501 fallthrough; 502 case MT_PHY_TYPE_OFDM: 503 i = mt76_get_rate(&dev->mt76, sband, i, cck); 504 legacy = sband->bitrates[i].bitrate; 505 break; 506 case MT_PHY_TYPE_HT_GF: 507 case MT_PHY_TYPE_HT: 508 status->encoding = RX_ENC_HT; 509 if (i > 31) 510 return -EINVAL; 511 512 flags = RATE_INFO_FLAGS_MCS; 513 if (gi) 514 flags |= RATE_INFO_FLAGS_SHORT_GI; 515 break; 516 case MT_PHY_TYPE_VHT: 517 status->nss = nss; 518 status->encoding = RX_ENC_VHT; 519 if (i > 9) 520 return -EINVAL; 521 522 flags = RATE_INFO_FLAGS_VHT_MCS; 523 if (gi) 524 flags |= RATE_INFO_FLAGS_SHORT_GI; 525 break; 526 case MT_PHY_TYPE_HE_MU: 527 case MT_PHY_TYPE_HE_SU: 528 case MT_PHY_TYPE_HE_EXT_SU: 529 case MT_PHY_TYPE_HE_TB: 530 status->nss = nss; 531 status->encoding = RX_ENC_HE; 532 i &= GENMASK(3, 0); 533 534 if (gi <= NL80211_RATE_INFO_HE_GI_3_2) 535 status->he_gi = gi; 536 537 status->he_dcm = dcm; 538 flags |= RATE_INFO_FLAGS_HE_MCS; 539 break; 540 default: 541 return -EINVAL; 542 } 543 status->rate_idx = i; 544 545 switch (bw) { 546 case IEEE80211_STA_RX_BW_20: 547 break; 548 case IEEE80211_STA_RX_BW_40: 549 if (mode & MT_PHY_TYPE_HE_EXT_SU && 550 (idx & MT_PRXV_TX_ER_SU_106T)) { 551 status->bw = RATE_INFO_BW_HE_RU; 552 status->he_ru = 553 NL80211_RATE_INFO_HE_RU_ALLOC_106; 554 } else { 555 status->bw = RATE_INFO_BW_40; 556 } 557 break; 558 case IEEE80211_STA_RX_BW_80: 559 status->bw = RATE_INFO_BW_80; 560 break; 561 case IEEE80211_STA_RX_BW_160: 562 status->bw = RATE_INFO_BW_160; 563 break; 564 default: 565 return -EINVAL; 566 } 567 568 status->enc_flags |= RX_ENC_FLAG_STBC_MASK * stbc; 569 if (mode < MT_PHY_TYPE_HE_SU && gi) 570 status->enc_flags |= RX_ENC_FLAG_SHORT_GI; 571 572 return 0; 573 } 574 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org