25 void __ath10k_htt_tx_dec_pending(struct ath10k_htt *htt)  in __ath10k_htt_tx_dec_pending()  argument
27 	htt->num_pending_tx--;  in __ath10k_htt_tx_dec_pending()
28 	if (htt->num_pending_tx == htt->max_num_pending_tx - 1)  in __ath10k_htt_tx_dec_pending()
29 		ieee80211_wake_queues(htt->ar->hw);  in __ath10k_htt_tx_dec_pending()
32 static void ath10k_htt_tx_dec_pending(struct ath10k_htt *htt)  in ath10k_htt_tx_dec_pending()  argument
34 	spin_lock_bh(&htt->tx_lock);  in ath10k_htt_tx_dec_pending()
35 	__ath10k_htt_tx_dec_pending(htt);  in ath10k_htt_tx_dec_pending()
36 	spin_unlock_bh(&htt->tx_lock);  in ath10k_htt_tx_dec_pending()
39 static int ath10k_htt_tx_inc_pending(struct ath10k_htt *htt)  in ath10k_htt_tx_inc_pending()  argument
43 	spin_lock_bh(&htt->tx_lock);  in ath10k_htt_tx_inc_pending()
45 	if (htt->num_pending_tx >= htt->max_num_pending_tx) {  in ath10k_htt_tx_inc_pending()
50 	htt->num_pending_tx++;  in ath10k_htt_tx_inc_pending()
51 	if (htt->num_pending_tx == htt->max_num_pending_tx)  in ath10k_htt_tx_inc_pending()
52 		ieee80211_stop_queues(htt->ar->hw);  in ath10k_htt_tx_inc_pending()
55 	spin_unlock_bh(&htt->tx_lock);  in ath10k_htt_tx_inc_pending()
59 int ath10k_htt_tx_alloc_msdu_id(struct ath10k_htt *htt, struct sk_buff *skb)  in ath10k_htt_tx_alloc_msdu_id()  argument
61 	struct ath10k *ar = htt->ar;  in ath10k_htt_tx_alloc_msdu_id()
64 	lockdep_assert_held(&htt->tx_lock);  in ath10k_htt_tx_alloc_msdu_id()
66 	ret = idr_alloc(&htt->pending_tx, skb, 0, 0x10000, GFP_ATOMIC);  in ath10k_htt_tx_alloc_msdu_id()
73 void ath10k_htt_tx_free_msdu_id(struct ath10k_htt *htt, u16 msdu_id)  in ath10k_htt_tx_free_msdu_id()  argument
75 	struct ath10k *ar = htt->ar;  in ath10k_htt_tx_free_msdu_id()
77 	lockdep_assert_held(&htt->tx_lock);  in ath10k_htt_tx_free_msdu_id()
81 	idr_remove(&htt->pending_tx, msdu_id);  in ath10k_htt_tx_free_msdu_id()
84 int ath10k_htt_tx_alloc(struct ath10k_htt *htt)  in ath10k_htt_tx_alloc()  argument
86 	struct ath10k *ar = htt->ar;  in ath10k_htt_tx_alloc()
89 		   htt->max_num_pending_tx);  in ath10k_htt_tx_alloc()
91 	spin_lock_init(&htt->tx_lock);  in ath10k_htt_tx_alloc()
92 	idr_init(&htt->pending_tx);  in ath10k_htt_tx_alloc()
94 	htt->tx_pool = dma_pool_create("ath10k htt tx pool", htt->ar->dev,  in ath10k_htt_tx_alloc()
96 	if (!htt->tx_pool) {  in ath10k_htt_tx_alloc()
97 		idr_destroy(&htt->pending_tx);  in ath10k_htt_tx_alloc()
107 	struct ath10k_htt *htt = &ar->htt;  in ath10k_htt_tx_clean_up_pending()  local
115 	spin_lock_bh(&htt->tx_lock);  in ath10k_htt_tx_clean_up_pending()
116 	ath10k_txrx_tx_unref(htt, &tx_done);  in ath10k_htt_tx_clean_up_pending()
117 	spin_unlock_bh(&htt->tx_lock);  in ath10k_htt_tx_clean_up_pending()
122 void ath10k_htt_tx_free(struct ath10k_htt *htt)  in ath10k_htt_tx_free()  argument
124 	idr_for_each(&htt->pending_tx, ath10k_htt_tx_clean_up_pending, htt->ar);  in ath10k_htt_tx_free()
125 	idr_destroy(&htt->pending_tx);  in ath10k_htt_tx_free()
126 	dma_pool_destroy(htt->tx_pool);  in ath10k_htt_tx_free()
134 int ath10k_htt_h2t_ver_req_msg(struct ath10k_htt *htt)  in ath10k_htt_h2t_ver_req_msg()  argument
136 	struct ath10k *ar = htt->ar;  in ath10k_htt_h2t_ver_req_msg()
153 	ret = ath10k_htc_send(&htt->ar->htc, htt->eid, skb);  in ath10k_htt_h2t_ver_req_msg()
162 int ath10k_htt_h2t_stats_req(struct ath10k_htt *htt, u8 mask, u64 cookie)  in ath10k_htt_h2t_stats_req()  argument
164 	struct ath10k *ar = htt->ar;  in ath10k_htt_h2t_stats_req()
193 	ret = ath10k_htc_send(&htt->ar->htc, htt->eid, skb);  in ath10k_htt_h2t_stats_req()
204 int ath10k_htt_send_rx_ring_cfg_ll(struct ath10k_htt *htt)  in ath10k_htt_send_rx_ring_cfg_ll()  argument
206 	struct ath10k *ar = htt->ar;  in ath10k_htt_send_rx_ring_cfg_ll()
256 	fw_idx = __le32_to_cpu(*htt->rx_ring.alloc_idx.vaddr);  in ath10k_htt_send_rx_ring_cfg_ll()
259 		__cpu_to_le32(htt->rx_ring.alloc_idx.paddr);  in ath10k_htt_send_rx_ring_cfg_ll()
260 	ring->rx_ring_base_paddr = __cpu_to_le32(htt->rx_ring.base_paddr);  in ath10k_htt_send_rx_ring_cfg_ll()
261 	ring->rx_ring_len = __cpu_to_le16(htt->rx_ring.size);  in ath10k_htt_send_rx_ring_cfg_ll()
281 	ret = ath10k_htc_send(&htt->ar->htc, htt->eid, skb);  in ath10k_htt_send_rx_ring_cfg_ll()
290 int ath10k_htt_h2t_aggr_cfg_msg(struct ath10k_htt *htt,  in ath10k_htt_h2t_aggr_cfg_msg()  argument
294 	struct ath10k *ar = htt->ar;  in ath10k_htt_h2t_aggr_cfg_msg()
328 	ret = ath10k_htc_send(&htt->ar->htc, htt->eid, skb);  in ath10k_htt_h2t_aggr_cfg_msg()
337 int ath10k_htt_mgmt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)  in ath10k_htt_mgmt_tx()  argument
339 	struct ath10k *ar = htt->ar;  in ath10k_htt_mgmt_tx()
349 	res = ath10k_htt_tx_inc_pending(htt);  in ath10k_htt_mgmt_tx()
356 	spin_lock_bh(&htt->tx_lock);  in ath10k_htt_mgmt_tx()
357 	res = ath10k_htt_tx_alloc_msdu_id(htt, msdu);  in ath10k_htt_mgmt_tx()
359 		spin_unlock_bh(&htt->tx_lock);  in ath10k_htt_mgmt_tx()
363 	spin_unlock_bh(&htt->tx_lock);  in ath10k_htt_mgmt_tx()
389 	skb_cb->htt.txbuf = NULL;  in ath10k_htt_mgmt_tx()
391 	res = ath10k_htc_send(&htt->ar->htc, htt->eid, txdesc);  in ath10k_htt_mgmt_tx()
402 	spin_lock_bh(&htt->tx_lock);  in ath10k_htt_mgmt_tx()
403 	ath10k_htt_tx_free_msdu_id(htt, msdu_id);  in ath10k_htt_mgmt_tx()
404 	spin_unlock_bh(&htt->tx_lock);  in ath10k_htt_mgmt_tx()
406 	ath10k_htt_tx_dec_pending(htt);  in ath10k_htt_mgmt_tx()
411 int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)  in ath10k_htt_tx()  argument
413 	struct ath10k *ar = htt->ar;  in ath10k_htt_tx()
420 	u8 tid = skb_cb->htt.tid;  in ath10k_htt_tx()
429 	res = ath10k_htt_tx_inc_pending(htt);  in ath10k_htt_tx()
433 	spin_lock_bh(&htt->tx_lock);  in ath10k_htt_tx()
434 	res = ath10k_htt_tx_alloc_msdu_id(htt, msdu);  in ath10k_htt_tx()
436 		spin_unlock_bh(&htt->tx_lock);  in ath10k_htt_tx()
440 	spin_unlock_bh(&htt->tx_lock);  in ath10k_htt_tx()
442 	prefetch_len = min(htt->prefetch_len, msdu->len);  in ath10k_htt_tx()
448 	use_frags = htt->target_version_major < 3 ||  in ath10k_htt_tx()
451 	skb_cb->htt.txbuf = dma_pool_alloc(htt->tx_pool, GFP_ATOMIC,  in ath10k_htt_tx()
453 	if (!skb_cb->htt.txbuf) {  in ath10k_htt_tx()
457 	skb_cb->htt.txbuf_paddr = paddr;  in ath10k_htt_tx()
474 		frags = skb_cb->htt.txbuf->frags;  in ath10k_htt_tx()
484 		frags_paddr = skb_cb->htt.txbuf_paddr;  in ath10k_htt_tx()
508 	skb_cb->htt.txbuf->htc_hdr.eid = htt->eid;  in ath10k_htt_tx()
509 	skb_cb->htt.txbuf->htc_hdr.len = __cpu_to_le16(  in ath10k_htt_tx()
510 			sizeof(skb_cb->htt.txbuf->cmd_hdr) +  in ath10k_htt_tx()
511 			sizeof(skb_cb->htt.txbuf->cmd_tx) +  in ath10k_htt_tx()
513 	skb_cb->htt.txbuf->htc_hdr.flags = 0;  in ath10k_htt_tx()
533 	skb_cb->htt.txbuf->cmd_hdr.msg_type = HTT_H2T_MSG_TYPE_TX_FRM;  in ath10k_htt_tx()
534 	skb_cb->htt.txbuf->cmd_tx.flags0 = flags0;  in ath10k_htt_tx()
535 	skb_cb->htt.txbuf->cmd_tx.flags1 = __cpu_to_le16(flags1);  in ath10k_htt_tx()
536 	skb_cb->htt.txbuf->cmd_tx.len = __cpu_to_le16(msdu->len);  in ath10k_htt_tx()
537 	skb_cb->htt.txbuf->cmd_tx.id = __cpu_to_le16(msdu_id);  in ath10k_htt_tx()
538 	skb_cb->htt.txbuf->cmd_tx.frags_paddr = __cpu_to_le32(frags_paddr);  in ath10k_htt_tx()
539 	skb_cb->htt.txbuf->cmd_tx.peerid = __cpu_to_le16(HTT_INVALID_PEERID);  in ath10k_htt_tx()
540 	skb_cb->htt.txbuf->cmd_tx.freq = __cpu_to_le16(skb_cb->htt.freq);  in ath10k_htt_tx()
546 		   (u32)skb_cb->paddr, vdev_id, tid, skb_cb->htt.freq);  in ath10k_htt_tx()
554 	sg_items[0].vaddr = &skb_cb->htt.txbuf->htc_hdr;  in ath10k_htt_tx()
555 	sg_items[0].paddr = skb_cb->htt.txbuf_paddr +  in ath10k_htt_tx()
556 			    sizeof(skb_cb->htt.txbuf->frags);  in ath10k_htt_tx()
557 	sg_items[0].len = sizeof(skb_cb->htt.txbuf->htc_hdr) +  in ath10k_htt_tx()
558 			  sizeof(skb_cb->htt.txbuf->cmd_hdr) +  in ath10k_htt_tx()
559 			  sizeof(skb_cb->htt.txbuf->cmd_tx);  in ath10k_htt_tx()
567 	res = ath10k_hif_tx_sg(htt->ar,  in ath10k_htt_tx()
568 			       htt->ar->htc.endpoint[htt->eid].ul_pipe_id,  in ath10k_htt_tx()
578 	dma_pool_free(htt->tx_pool,  in ath10k_htt_tx()
579 		      skb_cb->htt.txbuf,  in ath10k_htt_tx()
580 		      skb_cb->htt.txbuf_paddr);  in ath10k_htt_tx()
582 	spin_lock_bh(&htt->tx_lock);  in ath10k_htt_tx()
583 	ath10k_htt_tx_free_msdu_id(htt, msdu_id);  in ath10k_htt_tx()
584 	spin_unlock_bh(&htt->tx_lock);  in ath10k_htt_tx()
586 	ath10k_htt_tx_dec_pending(htt);  in ath10k_htt_tx()