+/* This function will only work on uint32_t-aligned pointers! */
+static bool same_hdr(const void *_d0, const void *_d1)
+{
+ const uint32_t *d0 = _d0;
+ const uint32_t *d1 = _d1;
+
+ /* BUG_ON((unsigned long)d0 & 3 || (unsigned long)d1 & 3)) */
+ return !((d0[0] ^ d1[0]) | /* FC + DU */
+ (d0[1] ^ d1[1]) | /* addr1 */
+ (d0[2] ^ d1[2]) | (d0[3] ^ d1[3]) | /* addr2 + addr3 */
+ (d0[4] ^ d1[4])); /* addr3 */
+}
+
+static inline bool same_aggr(struct ieee80211_hdr *a, struct ieee80211_hdr *b)
+{
+ return (get_tid(a) == get_tid(b)) || same_hdr(a, b);
+}
+
+static void wlan_tx_ampdu_end(unsigned int qidx)
+{
+ struct carl9170_tx_superframe *ht_prev = fw.wlan.ampdu_prev[qidx];
+
+ fw.wlan.ampdu_prev[qidx] = NULL;
+ if (ht_prev)
+ ht_prev->f.hdr.mac.ba_end = 1;
+}
+