+Claire Chang <tientzu@google.com>

On Sat, Apr 17, 2021 at 11:16 AM kernel test robot <lkp@intel.com> wrote:

> tree:   https://chromium.googlesource.com/chromiumos/third_party/kernel
> chromeos-5.4
> head:   03c601082f2f279deba7e2b6923e735273c65587
> commit: 0d7e331a785cdb87c2b4005d226bf8a22f7fd87e [180/242] UPSTREAM: mt76:
> rely on AQL for burst size limits on tx queueing
> config: nios2-allyesconfig (attached as .config)
> compiler: nios2-linux-gcc (GCC) 9.3.0
> 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
>         git remote add chrome-os
> https://chromium.googlesource.com/chromiumos/third_party/kernel
>         git fetch --no-tags chrome-os chromeos-5.4
>         git checkout 0d7e331a785cdb87c2b4005d226bf8a22f7fd87e
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1
> ARCH=nios2
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> Note: the chrome-os/chromeos-5.4 HEAD
> 03c601082f2f279deba7e2b6923e735273c65587 builds fine.
>       It only hurts bisectibility.
>
> All errors (new ones prefixed by >>):
>
>    drivers/net/wireless/mediatek/mt76/tx.c: In function
> 'mt76_txq_send_burst':
> >> drivers/net/wireless/mediatek/mt76/tx.c:504:7: error: 'q' undeclared
> (first use in this function); did you mean 'sq'?
>      504 |   if (q->queued + MT_TXQ_FREE_THR >= q->ndesc)
>          |       ^
>          |       sq
>    drivers/net/wireless/mediatek/mt76/tx.c:504:7: note: each undeclared
> identifier is reported only once for each function it appears in
>    drivers/net/wireless/mediatek/mt76/tx.c: In function
> 'mt76_txq_schedule_list':
>    drivers/net/wireless/mediatek/mt76/tx.c:547:7: error: 'q' undeclared
> (first use in this function); did you mean 'sq'?
>      547 |   if (q->queued + MT_TXQ_FREE_THR >= q->ndesc)
>          |       ^
>          |       sq
>
>
> vim +504 drivers/net/wireless/mediatek/mt76/tx.c
>
>    461
>    462  static int
>    463  mt76_txq_send_burst(struct mt76_phy *phy, struct mt76_sw_queue *sq,
>    464                      struct mt76_txq *mtxq)
>    465  {
>    466          struct mt76_dev *dev = phy->dev;
>    467          struct ieee80211_txq *txq = mtxq_to_txq(mtxq);
>    468          enum mt76_txq_id qid = mt76_txq_get_qid(txq);
>    469          struct mt76_wcid *wcid = mtxq->wcid;
>    470          struct mt76_queue *hwq = sq->q;
>    471          struct ieee80211_tx_info *info;
>    472          struct sk_buff *skb;
>    473          int n_frames = 1;
>    474          bool stop = false;
>    475          int idx;
>    476
>    477          if (test_bit(MT_WCID_FLAG_PS, &wcid->flags))
>    478                  return 0;
>    479
>    480          if (atomic_read(&wcid->non_aql_packets) >=
> MT_MAX_NON_AQL_PKT)
>    481                  return 0;
>    482
>    483          skb = mt76_txq_dequeue(phy, mtxq, false);
>    484          if (!skb)
>    485                  return 0;
>    486
>    487          info = IEEE80211_SKB_CB(skb);
>    488          if (!(wcid->tx_info & MT_WCID_TX_INFO_SET))
>    489                  ieee80211_get_tx_rates(txq->vif, txq->sta, skb,
>    490                                         info->control.rates, 1);
>    491
>    492          idx = __mt76_tx_queue_skb(dev, qid, skb, wcid, txq->sta,
> &stop);
>    493          if (idx < 0)
>    494                  return idx;
>    495
>    496          do {
>    497                  if (test_bit(MT76_STATE_PM, &phy->state) ||
>    498                      test_bit(MT76_RESET, &phy->state))
>    499                          return -EBUSY;
>    500
>    501                  if (stop)
>    502                          break;
>    503
>  > 504                  if (q->queued + MT_TXQ_FREE_THR >= q->ndesc)
>    505                          break;
>    506
>    507                  skb = mt76_txq_dequeue(phy, mtxq, false);
>    508                  if (!skb)
>    509                          break;
>    510
>    511                  info = IEEE80211_SKB_CB(skb);
>    512                  if (!(wcid->tx_info & MT_WCID_TX_INFO_SET))
>    513                          ieee80211_get_tx_rates(txq->vif, txq->sta,
> skb,
>    514
>  info->control.rates, 1);
>    515
>    516                  idx = __mt76_tx_queue_skb(dev, qid, skb, wcid,
> txq->sta, &stop);
>    517                  if (idx < 0)
>    518                          break;
>    519
>    520                  n_frames++;
>    521          } while (1);
>    522
>    523          dev->queue_ops->kick(dev, hwq);
>    524
>    525          return n_frames;
>    526  }
>    527
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
>
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