broadcom/b43legacy/pio.c

43 			    const u8 *packet,
54 		source = packet;
65 		    const u8 *packet,
72 		data = tx_get_next_word(txhdr, packet,
80 		data = tx_get_next_word(txhdr, packet,
85 		tx_octet(queue, packet[octets -
104 			   struct b43legacy_pio_txpacket *packet)
111 	 * for the packet index (in the cache).
128 	packetindex = pio_txpacket_getindex(packet);
138 					struct b43legacy_pio_txpacket **packet)
163 	*packet = &(queue->tx_packets_cache[packetindex]);
174 				  struct b43legacy_pio_txpacket *packet,
188 				 generate_cookie(queue, packet));
202 static void free_txpacket(struct b43legacy_pio_txpacket *packet,
205 	struct b43legacy_pioqueue *queue = packet->queue;
207 	if (packet->skb) {
209 			dev_kfree_skb_irq(packet->skb);
211 			dev_kfree_skb(packet->skb);
213 	list_move(&packet->list, &queue->txfree);
217 static int pio_tx_packet(struct b43legacy_pio_txpacket *packet)
219 	struct b43legacy_pioqueue *queue = packet->queue;
220 	struct sk_buff *skb = packet->skb;
227 			"Dropping packet.\n");
229 		free_txpacket(packet, 1);
244 	err = pio_tx_write_fragment(queue, skb, packet,
247 		/* Drop this packet, as we don't have the encryption key
249 		free_txpacket(packet, 1);
253 	/* Account for the packet size.
260 	 * packet to the txrunning list.
262 	list_move_tail(&packet->list, &queue->txrunning);
272 	struct b43legacy_pio_txpacket *packet, *tmp_packet;
283 	list_for_each_entry_safe(packet, tmp_packet, &queue->txqueue, list) {
284 		/* Try to transmit the packet. This can fail, if
286 		 * packet is left in the txqueue.
287 		 * If transmission succeed, the packet is moved to txrunning.
288 		 * If it is impossible to transmit the packet, it
291 		err = pio_tx_packet(packet);
301 	struct b43legacy_pio_txpacket *packet;
306 		packet = &(queue->tx_packets_cache[i]);
308 		packet->queue = queue;
309 		INIT_LIST_HEAD(&packet->list);
311 		list_add(&packet->list, &queue->txfree);
369 	struct b43legacy_pio_txpacket *packet, *tmp_packet;
373 	list_for_each_entry_safe(packet, tmp_packet, &queue->txrunning, list)
374 		free_txpacket(packet, 0);
375 	list_for_each_entry_safe(packet, tmp_packet, &queue->txqueue, list)
376 		free_txpacket(packet, 0);
456 	struct b43legacy_pio_txpacket *packet;
461 	packet = list_entry(queue->txfree.next, struct b43legacy_pio_txpacket,
463 	packet->skb = skb;
465 	list_move_tail(&packet->list, &queue->txqueue);
478 	struct b43legacy_pio_txpacket *packet;
482 	queue = parse_cookie(dev, status->cookie, &packet);
485 	if (!packet->skb)
489 	queue->tx_devq_used -= (packet->skb->len +
492 	info = IEEE80211_SKB_CB(packet->skb);
524 	ieee80211_tx_status_irqsafe(dev->wl->hw, packet->skb);
525 	packet->skb = NULL;
527 	free_txpacket(packet, 1);