IWN5000_NTXQUEUES
sc->ntxqs = IWN5000_NTXQUEUES;
for (qid = 0; qid < IWN5000_NTXQUEUES; qid++) {
#define IWN5000_SCHEDSZ (IWN5000_NTXQUEUES * IWN5000_SCHED_COUNT * 2)
struct iwn_tx_ring txq[IWN5000_NTXQUEUES];
struct ieee80211_tx_ampdu *qid2tap[IWN5000_NTXQUEUES];