45 	struct cn_msg *cn; /* advances as cn_msg is appeneded */  member
76 	if (!block->cn)  in w1_reply_len()
78 	return (u8 *)block->cn - (u8 *)block->first_cn + block->cn->len;  in w1_reply_len()
107 		block->cn = NULL;  in w1_reply_make_space()
116 	if (!(block->request_cn.flags & W1_CN_BUNDLE) && block->cn)  in w1_netlink_check_send()
131 	if (block->cn && block->cn->ack == ack) {  in w1_netlink_setup_msg()
132 		block->msg = (struct w1_netlink_msg *)(block->cn->data + block->cn->len);  in w1_netlink_setup_msg()
135 		if (block->cn)  in w1_netlink_setup_msg()
136 			block->cn = (struct cn_msg *)(block->cn->data +  in w1_netlink_setup_msg()
137 				block->cn->len);  in w1_netlink_setup_msg()
139 			block->cn = block->first_cn;  in w1_netlink_setup_msg()
141 		memcpy(block->cn, &block->request_cn, sizeof(*block->cn));  in w1_netlink_setup_msg()
142 		block->cn->len = 0;  in w1_netlink_setup_msg()
143 		block->cn->ack = ack;  in w1_netlink_setup_msg()
144 		block->msg = (struct w1_netlink_msg *)block->cn->data;  in w1_netlink_setup_msg()
165 	block->cn->len += sizeof(*block->msg);  in w1_netlink_queue_cmd()
172 	block->cn->len += space;  in w1_netlink_queue_cmd()
188 	block->cn->len += sizeof(*req_msg);  in w1_netlink_queue_status()
194 		block->cn->len += sizeof(*cmd);  in w1_netlink_queue_status()
211 static void w1_netlink_send_error(struct cn_msg *cn, struct w1_netlink_msg *msg,  in w1_netlink_send_error()  argument
215 		struct cn_msg cn;  in w1_netlink_send_error()  member
218 	memcpy(&packet.cn, cn, sizeof(packet.cn));  in w1_netlink_send_error()
220 	packet.cn.len = sizeof(packet.msg);  in w1_netlink_send_error()
223 	cn_netlink_send(&packet.cn, portid, 0, GFP_KERNEL);  in w1_netlink_send_error()
236 		struct cn_msg cn;  in w1_netlink_send()  member
241 	packet.cn.id.idx = CN_W1_IDX;  in w1_netlink_send()
242 	packet.cn.id.val = CN_W1_VAL;  in w1_netlink_send()
244 	packet.cn.seq = dev->seq++;  in w1_netlink_send()
245 	packet.cn.len = sizeof(*msg);  in w1_netlink_send()
250 	cn_netlink_send(&packet.cn, 0, 0, GFP_KERNEL);  in w1_netlink_send()
270 	block->cn->len += sizeof(*data);  in w1_send_slave()
419 	struct cn_msg *cn;  in w1_process_command_root()  local
423 	cn = kmalloc(PAGE_SIZE, GFP_KERNEL);  in w1_process_command_root()
424 	if (!cn)  in w1_process_command_root()
427 	cn->id.idx = CN_W1_IDX;  in w1_process_command_root()
428 	cn->id.val = CN_W1_VAL;  in w1_process_command_root()
430 	cn->seq = req_cn->seq;  in w1_process_command_root()
431 	cn->ack = req_cn->seq + 1;  in w1_process_command_root()
432 	cn->len = sizeof(struct w1_netlink_msg);  in w1_process_command_root()
433 	msg = (struct w1_netlink_msg *)cn->data;  in w1_process_command_root()
442 		if (cn->len + sizeof(*id) > PAGE_SIZE - sizeof(struct cn_msg)) {  in w1_process_command_root()
443 			cn_netlink_send(cn, portid, 0, GFP_KERNEL);  in w1_process_command_root()
444 			cn->len = sizeof(struct w1_netlink_msg);  in w1_process_command_root()
451 		cn->len += sizeof(*id);  in w1_process_command_root()
454 	cn_netlink_send(cn, portid, 0, GFP_KERNEL);  in w1_process_command_root()
457 	kfree(cn);  in w1_process_command_root()
554 static void w1_cn_callback(struct cn_msg *cn, struct netlink_skb_parms *nsp)  in w1_cn_callback()  argument
556 	struct w1_netlink_msg *msg = (struct w1_netlink_msg *)(cn + 1);  in w1_cn_callback()
571 	if (cn->flags & ~(W1_CN_BUNDLE)) {  in w1_cn_callback()
572 		w1_netlink_send_error(cn, msg, nsp->portid, -EINVAL);  in w1_cn_callback()
579 	msg_len = cn->len;  in w1_cn_callback()
598 	msg = (struct w1_netlink_msg *)(cn + 1);  in w1_cn_callback()
601 		int reply_size = sizeof(*cn) + cn->len + slave_len;  in w1_cn_callback()
602 		if (cn->flags & W1_CN_BUNDLE) {  in w1_cn_callback()
617 			sizeof(struct w1_cb_block) + sizeof(*cn) + cn->len +  in w1_cn_callback()
628 			w1_netlink_send_error(cn, msg, nsp->portid, -ENOMEM);  in w1_cn_callback()
633 		memcpy(&block->request_cn, cn, sizeof(*cn) + cn->len);  in w1_cn_callback()
634 		node = (struct w1_cb_node *)(block->request_cn.data + cn->len);  in w1_cn_callback()
650 	msg_len = cn->len;  in w1_cn_callback()
663 			err = w1_process_command_root(cn, nsp->portid);  in w1_cn_callback()
684 				__func__, cn->id.idx, cn->id.val,  in w1_cn_callback()
701 			(size_t)((u8 *)msg - (u8 *)cn));  in w1_cn_callback()
717 			w1_netlink_send_error(cn, msg, nsp->portid, err);  in w1_cn_callback()
746 void w1_netlink_send(struct w1_master *dev, struct w1_netlink_msg *cn)  in w1_netlink_send()  argument