1 // SPDX-License-Identifier: ISC
3 * Copyright (c) 2005-2011 Atheros Communications Inc.
4 * Copyright (c) 2011-2016 Qualcomm Atheros, Inc.
5 * Copyright (c) 2018, The Linux Foundation. All rights reserved.
14 static void ath10k_report_offchan_tx(struct ath10k *ar, struct sk_buff *skb)
16 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
18 if (likely(!(info->flags & IEEE80211_TX_CTL_TX_OFFCHAN)))
21 if (ath10k_mac_tx_frm_has_freq(ar))
24 /* If the original wait_for_completion() timed out before
25 * {data,mgmt}_tx_completed() was called then we could complete
26 * offchan_tx_completed for a different skb. Prevent this by using
29 spin_lock_bh(&ar->data_lock);
30 if (ar->offchan_tx_skb != skb) {
31 ath10k_warn(ar, "completed old offchannel frame\n");
35 complete(&ar->offchan_tx_completed);
36 ar->offchan_tx_skb = NULL; /* just for sanity */
38 ath10k_dbg(ar, ATH10K_DBG_HTT, "completed offchannel skb %pK\n", skb);
40 spin_unlock_bh(&ar->data_lock);
43 int ath10k_txrx_tx_unref(struct ath10k_htt *htt,
44 const struct htt_tx_done *tx_done)
46 struct ieee80211_tx_status status;
47 struct ath10k *ar = htt->ar;
48 struct device *dev = ar->dev;
49 struct ieee80211_tx_info *info;
50 struct ieee80211_txq *txq;
51 struct ath10k_skb_cb *skb_cb;
52 struct ath10k_txq *artxq;
56 ath10k_dbg(ar, ATH10K_DBG_HTT,
57 "htt tx completion msdu_id %u status %d\n",
58 tx_done->msdu_id, tx_done->status);
60 if (tx_done->msdu_id >= htt->max_num_pending_tx) {
61 ath10k_warn(ar, "warning: msdu_id %d too big, ignoring\n",
66 spin_lock_bh(&htt->tx_lock);
67 msdu = idr_find(&htt->pending_tx, tx_done->msdu_id);
69 ath10k_warn(ar, "received tx completion for invalid msdu_id: %d\n",
71 spin_unlock_bh(&htt->tx_lock);
75 skb_cb = ATH10K_SKB_CB(msdu);
79 artxq = (void *)txq->drv_priv;
80 artxq->num_fw_queued--;
83 flags = skb_cb->flags;
84 ath10k_htt_tx_free_msdu_id(htt, tx_done->msdu_id);
85 ath10k_htt_tx_dec_pending(htt);
86 spin_unlock_bh(&htt->tx_lock);
89 if (txq && txq->sta && skb_cb->airtime_est)
90 ieee80211_sta_register_airtime(txq->sta, txq->tid,
91 skb_cb->airtime_est, 0);
94 if (ar->bus_param.dev_type != ATH10K_DEV_TYPE_HL)
95 dma_unmap_single(dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
97 ath10k_report_offchan_tx(htt->ar, msdu);
99 info = IEEE80211_SKB_CB(msdu);
100 memset(&info->status, 0, sizeof(info->status));
101 info->status.rates[0].idx = -1;
103 trace_ath10k_txrx_tx_unref(ar, tx_done->msdu_id);
105 if (!(info->flags & IEEE80211_TX_CTL_NO_ACK) &&
106 !(flags & ATH10K_SKB_F_NOACK_TID))
107 info->flags |= IEEE80211_TX_STAT_ACK;
109 if (tx_done->status == HTT_TX_COMPL_STATE_NOACK)
110 info->flags &= ~IEEE80211_TX_STAT_ACK;
112 if ((tx_done->status == HTT_TX_COMPL_STATE_ACK) &&
113 ((info->flags & IEEE80211_TX_CTL_NO_ACK) ||
114 (flags & ATH10K_SKB_F_NOACK_TID)))
115 info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
117 if (tx_done->status == HTT_TX_COMPL_STATE_DISCARD) {
118 if ((info->flags & IEEE80211_TX_CTL_NO_ACK) ||
119 (flags & ATH10K_SKB_F_NOACK_TID))
120 info->flags &= ~IEEE80211_TX_STAT_NOACK_TRANSMITTED;
122 info->flags &= ~IEEE80211_TX_STAT_ACK;
125 if (tx_done->status == HTT_TX_COMPL_STATE_ACK &&
126 tx_done->ack_rssi != ATH10K_INVALID_RSSI) {
127 info->status.ack_signal = ATH10K_DEFAULT_NOISE_FLOOR +
129 info->status.flags |= IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
132 memset(&status, 0, sizeof(status));
139 status.sta = txq->sta;
141 ieee80211_tx_status_ext(htt->ar->hw, &status);
145 /* we do not own the msdu anymore */
150 struct ath10k_peer *ath10k_peer_find(struct ath10k *ar, int vdev_id,
153 struct ath10k_peer *peer;
155 lockdep_assert_held(&ar->data_lock);
157 list_for_each_entry(peer, &ar->peers, list) {
158 if (peer->vdev_id != vdev_id)
160 if (!ether_addr_equal(peer->addr, addr))
169 struct ath10k_peer *ath10k_peer_find_by_id(struct ath10k *ar, int peer_id)
171 struct ath10k_peer *peer;
173 if (peer_id >= BITS_PER_TYPE(peer->peer_ids))
176 lockdep_assert_held(&ar->data_lock);
178 list_for_each_entry(peer, &ar->peers, list)
179 if (test_bit(peer_id, peer->peer_ids))
185 static int ath10k_wait_for_peer_common(struct ath10k *ar, int vdev_id,
186 const u8 *addr, bool expect_mapped)
190 time_left = wait_event_timeout(ar->peer_mapping_wq, ({
193 spin_lock_bh(&ar->data_lock);
194 mapped = !!ath10k_peer_find(ar, vdev_id, addr);
195 spin_unlock_bh(&ar->data_lock);
197 (mapped == expect_mapped ||
198 test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags));
207 int ath10k_wait_for_peer_created(struct ath10k *ar, int vdev_id, const u8 *addr)
209 return ath10k_wait_for_peer_common(ar, vdev_id, addr, true);
212 int ath10k_wait_for_peer_deleted(struct ath10k *ar, int vdev_id, const u8 *addr)
214 return ath10k_wait_for_peer_common(ar, vdev_id, addr, false);
217 void ath10k_peer_map_event(struct ath10k_htt *htt,
218 struct htt_peer_map_event *ev)
220 struct ath10k *ar = htt->ar;
221 struct ath10k_peer *peer;
223 if (ev->peer_id >= ATH10K_MAX_NUM_PEER_IDS) {
225 "received htt peer map event with idx out of bounds: %u\n",
230 spin_lock_bh(&ar->data_lock);
231 peer = ath10k_peer_find(ar, ev->vdev_id, ev->addr);
233 peer = kzalloc(sizeof(*peer), GFP_ATOMIC);
237 peer->vdev_id = ev->vdev_id;
238 ether_addr_copy(peer->addr, ev->addr);
239 list_add(&peer->list, &ar->peers);
240 wake_up(&ar->peer_mapping_wq);
243 ath10k_dbg(ar, ATH10K_DBG_HTT, "htt peer map vdev %d peer %pM id %d\n",
244 ev->vdev_id, ev->addr, ev->peer_id);
246 WARN_ON(ar->peer_map[ev->peer_id] && (ar->peer_map[ev->peer_id] != peer));
247 ar->peer_map[ev->peer_id] = peer;
248 set_bit(ev->peer_id, peer->peer_ids);
250 spin_unlock_bh(&ar->data_lock);
253 void ath10k_peer_unmap_event(struct ath10k_htt *htt,
254 struct htt_peer_unmap_event *ev)
256 struct ath10k *ar = htt->ar;
257 struct ath10k_peer *peer;
259 if (ev->peer_id >= ATH10K_MAX_NUM_PEER_IDS) {
261 "received htt peer unmap event with idx out of bounds: %u\n",
266 spin_lock_bh(&ar->data_lock);
267 peer = ath10k_peer_find_by_id(ar, ev->peer_id);
269 ath10k_warn(ar, "peer-unmap-event: unknown peer id %d\n",
274 ath10k_dbg(ar, ATH10K_DBG_HTT, "htt peer unmap vdev %d peer %pM id %d\n",
275 peer->vdev_id, peer->addr, ev->peer_id);
277 ar->peer_map[ev->peer_id] = NULL;
278 clear_bit(ev->peer_id, peer->peer_ids);
280 if (bitmap_empty(peer->peer_ids, ATH10K_MAX_NUM_PEER_IDS)) {
281 list_del(&peer->list);
283 wake_up(&ar->peer_mapping_wq);
287 spin_unlock_bh(&ar->data_lock);