78 	struct frame_buf *frame,  in pcbit_l2_write()  local
86 	if ((frame = kmalloc(sizeof(struct frame_buf),  in pcbit_l2_write()
91 	frame->msg = msg;  in pcbit_l2_write()
92 	frame->refnum = refnum;  in pcbit_l2_write()
93 	frame->copied = 0;  in pcbit_l2_write()
94 	frame->hdr_len = hdr_len;  in pcbit_l2_write()
97 		frame->dt_len = skb->len - hdr_len;  in pcbit_l2_write()
99 		frame->dt_len = 0;  in pcbit_l2_write()
101 	frame->skb = skb;  in pcbit_l2_write()
103 	frame->next = NULL;  in pcbit_l2_write()
108 		dev->write_queue = frame;  in pcbit_l2_write()
113 		ptr->next = frame;  in pcbit_l2_write()
143 	struct frame_buf *frame = NULL;  in pcbit_transmit()  local
169 		frame = dev->write_queue;  in pcbit_transmit()
174 		if (frame->copied == 0) {  in pcbit_transmit()
180 			if (frame->skb)  in pcbit_transmit()
181 				flen = FRAME_HDR_LEN + PREHDR_LEN + frame->skb->len;  in pcbit_transmit()
188 			msg = frame->msg;  in pcbit_transmit()
201 			pcbit_writew(dev, frame->hdr_len + PREHDR_LEN);  in pcbit_transmit()
204 			pcbit_writew(dev, frame->dt_len);  in pcbit_transmit()
212 			pcbit_writew(dev, frame->hdr_len + PREHDR_LEN);  in pcbit_transmit()
222 			pcbit_writew(dev, frame->refnum);  in pcbit_transmit()
228 			flen = 2 + (frame->skb->len - frame->copied);  in pcbit_transmit()
240 		if (frame->skb) {  in pcbit_transmit()
241 			cp_len = frame->skb->len - frame->copied;  in pcbit_transmit()
245 			memcpy_topcbit(dev, frame->skb->data + frame->copied,  in pcbit_transmit()
247 			frame->copied += cp_len;  in pcbit_transmit()
255 		if (frame->skb == NULL || frame->copied == frame->skb->len) {  in pcbit_transmit()
257 			dev->write_queue = frame->next;  in pcbit_transmit()
259 			if (frame->skb != NULL) {  in pcbit_transmit()
261 				dev_kfree_skb(frame->skb);  in pcbit_transmit()
263 			kfree(frame);  in pcbit_transmit()
285 	struct frame_buf *frame;  in pcbit_deliver()  local
292 	while ((frame = dev->read_queue)) {  in pcbit_deliver()
293 		dev->read_queue = frame->next;  in pcbit_deliver()
299 		SET_MSG_CMD(msg, frame->skb->data[2]);  in pcbit_deliver()
300 		SET_MSG_SCMD(msg, frame->skb->data[3]);  in pcbit_deliver()
302 		frame->refnum = *((ushort *)frame->skb->data + 4);  in pcbit_deliver()
303 		frame->msg = *((ulong *)&msg);  in pcbit_deliver()
305 		skb_pull(frame->skb, 6);  in pcbit_deliver()
307 		pcbit_l3_receive(dev, frame->msg, frame->skb, frame->hdr_len,  in pcbit_deliver()
308 				 frame->refnum);  in pcbit_deliver()
310 		kfree(frame);  in pcbit_deliver()
328 	struct frame_buf *frame = NULL;  in pcbit_receive()  local
353 		frame = kzalloc(sizeof(struct frame_buf), GFP_ATOMIC);  in pcbit_receive()
355 		if (frame == NULL) {  in pcbit_receive()
366 			kfree(frame);  in pcbit_receive()
375 		frame->hdr_len = pcbit_readw(dev);  in pcbit_receive()
376 		frame->dt_len = pcbit_readw(dev);  in pcbit_receive()
385 		if (frame->hdr_len == 0) {  in pcbit_receive()
386 			kfree(frame);  in pcbit_receive()
394 		if (frame->hdr_len > 1024 || frame->dt_len > 2048) {  in pcbit_receive()
398 			       frame->hdr_len,  in pcbit_receive()
399 			       frame->dt_len);  in pcbit_receive()
402 			kfree(frame);  in pcbit_receive()
407 		frame->skb = dev_alloc_skb(frame->hdr_len + frame->dt_len +  in pcbit_receive()
408 					   ((frame->hdr_len + 15) & ~15));  in pcbit_receive()
410 		if (!frame->skb) {  in pcbit_receive()
412 			kfree(frame);  in pcbit_receive()
416 		if (frame->dt_len)  in pcbit_receive()
417 			skb_reserve(frame->skb, (frame->hdr_len + 15) & ~15);  in pcbit_receive()
424 		if (!(frame = dev->read_frame)) {  in pcbit_receive()
435 	memcpy_frompcbit(dev, skb_put(frame->skb, tt), tt);  in pcbit_receive()
437 	frame->copied += tt;  in pcbit_receive()
439 	if (frame->copied == frame->hdr_len + frame->dt_len) {  in pcbit_receive()
447 			ptr->next = frame;  in pcbit_receive()
449 			dev->read_queue = frame;  in pcbit_receive()
452 		dev->read_frame = frame;  in pcbit_receive()
588 	struct frame_buf *frame;  in pcbit_l2_err_recover()  local
607 		frame = dev->write_queue;  in pcbit_l2_err_recover()
611 		if (frame->skb) {  in pcbit_l2_err_recover()
612 			dev_kfree_skb(frame->skb);  in pcbit_l2_err_recover()
614 		kfree(frame);  in pcbit_l2_err_recover()
616 		frame->copied = 0;  in pcbit_l2_err_recover()