134 struct buf_info {  struct
148 static void free_buf_info(struct cfv_info *cfv, struct buf_info *buf_info)  in free_buf_info()  argument
150 	if (!buf_info)  in free_buf_info()
152 	gen_pool_free(cfv->genpool, (unsigned long) buf_info->vaddr,  in free_buf_info()
153 		      buf_info->size);  in free_buf_info()
154 	kfree(buf_info);  in free_buf_info()
169 		struct buf_info *buf_info;  in cfv_release_used_buf()  local
173 		buf_info = virtqueue_get_buf(vq_tx, &len);  in cfv_release_used_buf()
177 		if (!buf_info)  in cfv_release_used_buf()
180 		free_buf_info(cfv, buf_info);  in cfv_release_used_buf()
458 	struct buf_info *buf_info;  in cfv_netdev_close()  local
469 	while ((buf_info = virtqueue_detach_unused_buf(cfv->vq_tx)))  in cfv_netdev_close()
470 		free_buf_info(cfv, buf_info);  in cfv_netdev_close()
479 static struct buf_info *cfv_alloc_and_copy_to_shm(struct cfv_info *cfv,  in cfv_alloc_and_copy_to_shm()
484 	struct buf_info *buf_info = NULL;  in cfv_alloc_and_copy_to_shm()  local
496 	buf_info = kmalloc(sizeof(struct buf_info), GFP_ATOMIC);  in cfv_alloc_and_copy_to_shm()
497 	if (unlikely(!buf_info))  in cfv_alloc_and_copy_to_shm()
503 	buf_info->size = cfv->tx_hr + skb->len + cfv->tx_tr + pad_len;  in cfv_alloc_and_copy_to_shm()
506 	buf_info->vaddr = (void *)gen_pool_alloc(cfv->genpool, buf_info->size);  in cfv_alloc_and_copy_to_shm()
507 	if (unlikely(!buf_info->vaddr))  in cfv_alloc_and_copy_to_shm()
511 	skb_copy_bits(skb, 0, buf_info->vaddr + cfv->tx_hr + pad_len, skb->len);  in cfv_alloc_and_copy_to_shm()
512 	sg_init_one(sg, buf_info->vaddr + pad_len,  in cfv_alloc_and_copy_to_shm()
515 	return buf_info;  in cfv_alloc_and_copy_to_shm()
517 	kfree(buf_info);  in cfv_alloc_and_copy_to_shm()
525 	struct buf_info *buf_info;  in cfv_netdev_tx()  local
548 	buf_info = cfv_alloc_and_copy_to_shm(cfv, skb, &sg);  in cfv_netdev_tx()
549 	if (unlikely(!buf_info)) {  in cfv_netdev_tx()
557 			buf_info = cfv_alloc_and_copy_to_shm(cfv, skb, &sg);  in cfv_netdev_tx()
569 	if (unlikely(!buf_info)) {  in cfv_netdev_tx()
575 	ret = virtqueue_add_outbuf(cfv->vq_tx, &sg, 1, buf_info, GFP_ATOMIC);  in cfv_netdev_tx()
596 	free_buf_info(cfv, buf_info);  in cfv_netdev_tx()