70 static int wl1251_tx_id(struct wl1251 *wl, struct sk_buff *skb)  in wl1251_tx_id()  argument
76 			wl->tx_frames[i] = skb;  in wl1251_tx_id()
148 static int wl1251_tx_fill_hdr(struct wl1251 *wl, struct sk_buff *skb,  in wl1251_tx_fill_hdr()  argument
156 	if (!skb)  in wl1251_tx_fill_hdr()
159 	id = wl1251_tx_id(wl, skb);  in wl1251_tx_fill_hdr()
163 	fc = *(u16 *)skb->data;  in wl1251_tx_fill_hdr()
164 	tx_hdr = (struct tx_double_buffer_desc *) skb_push(skb,  in wl1251_tx_fill_hdr()
167 	tx_hdr->length = cpu_to_le16(skb->len - sizeof(*tx_hdr));  in wl1251_tx_fill_hdr()
173 	tx_hdr->xmit_queue = wl1251_tx_get_queue(skb_get_queue_mapping(skb));  in wl1251_tx_fill_hdr()
182 static int wl1251_tx_send_packet(struct wl1251 *wl, struct sk_buff *skb,  in wl1251_tx_send_packet()  argument
189 	if (!skb)  in wl1251_tx_send_packet()
192 	tx_hdr = (struct tx_double_buffer_desc *) skb->data;  in wl1251_tx_send_packet()
201 		fc = *(__le16 *)(skb->data + sizeof(*tx_hdr));  in wl1251_tx_send_packet()
207 		pos = skb_push(skb, WL1251_TKIP_IV_SPACE);  in wl1251_tx_send_packet()
216 	if (unlikely((long)skb->data & 0x03)) {  in wl1251_tx_send_packet()
217 		int offset = (4 - (long)skb->data) & 0x03;  in wl1251_tx_send_packet()
221 		if (skb_cloned(skb) || (skb_tailroom(skb) < offset)) {  in wl1251_tx_send_packet()
222 			struct sk_buff *newskb = skb_copy_expand(skb, 0, 3,  in wl1251_tx_send_packet()
232 			dev_kfree_skb_any(skb);  in wl1251_tx_send_packet()
233 			wl->tx_frames[tx_hdr->id] = skb = newskb;  in wl1251_tx_send_packet()
235 			offset = (4 - (long)skb->data) & 0x03;  in wl1251_tx_send_packet()
241 			unsigned char *src = skb->data;  in wl1251_tx_send_packet()
242 			skb_reserve(skb, offset);  in wl1251_tx_send_packet()
243 			memmove(skb->data, src, skb->len);  in wl1251_tx_send_packet()
244 			tx_hdr = (struct tx_double_buffer_desc *) skb->data;  in wl1251_tx_send_packet()
249 	len = WL1251_TX_ALIGN(skb->len);  in wl1251_tx_send_packet()
257 	wl1251_mem_write(wl, addr, skb->data, len);  in wl1251_tx_send_packet()
260 		     "queue %d", tx_hdr->id, skb, tx_hdr->length,  in wl1251_tx_send_packet()
306 static int wl1251_tx_frame(struct wl1251 *wl, struct sk_buff *skb)  in wl1251_tx_frame()  argument
312 	info = IEEE80211_SKB_CB(skb);  in wl1251_tx_frame()
334 	ret = wl1251_tx_fill_hdr(wl, skb, info);  in wl1251_tx_frame()
338 	ret = wl1251_tx_send_packet(wl, skb, info);  in wl1251_tx_frame()
350 	struct sk_buff *skb;  in wl1251_tx_work()  local
359 	while ((skb = skb_dequeue(&wl->tx_queue))) {  in wl1251_tx_work()
367 		ret = wl1251_tx_frame(wl, skb);  in wl1251_tx_work()
369 			skb_queue_head(&wl->tx_queue, skb);  in wl1251_tx_work()
372 			dev_kfree_skb(skb);  in wl1251_tx_work()
416 	struct sk_buff *skb;  in wl1251_tx_packet_cb()  local
420 	skb = wl->tx_frames[result->id];  in wl1251_tx_packet_cb()
421 	if (skb == NULL) {  in wl1251_tx_packet_cb()
426 	info = IEEE80211_SKB_CB(skb);  in wl1251_tx_packet_cb()
440 	frame = skb_pull(skb, sizeof(struct tx_double_buffer_desc));  in wl1251_tx_packet_cb()
443 		hdrlen = ieee80211_get_hdrlen_from_skb(skb);  in wl1251_tx_packet_cb()
445 		skb_pull(skb, WL1251_TKIP_IV_SPACE);  in wl1251_tx_packet_cb()
450 		     result->id, skb, result->ack_failures, result->rate,  in wl1251_tx_packet_cb()
454 	ieee80211_tx_status(wl->hw, skb);  in wl1251_tx_packet_cb()
565 	struct sk_buff *skb;  in wl1251_tx_flush()  local
571 	while ((skb = skb_dequeue(&wl->tx_queue))) {  in wl1251_tx_flush()
572 		info = IEEE80211_SKB_CB(skb);  in wl1251_tx_flush()
574 		wl1251_debug(DEBUG_TX, "flushing skb 0x%p", skb);  in wl1251_tx_flush()
579 		ieee80211_tx_status(wl->hw, skb);  in wl1251_tx_flush()
584 			skb = wl->tx_frames[i];  in wl1251_tx_flush()
585 			info = IEEE80211_SKB_CB(skb);  in wl1251_tx_flush()
590 			ieee80211_tx_status(wl->hw, skb);  in wl1251_tx_flush()