qrtr.h

/*
    Copyright 2025 Quectel Wireless Solutions Co.,Ltd

    Quectel hereby grants customers of Quectel a license to use, modify,
    distribute and publish the Software in binary form provided that
    customers shall have no right to reverse engineer, reverse assemble,
    decompile or reduce to source code form any portion of the Software. 
    Under no circumstances may customers modify, demonstrate, use, deliver 
    or disclose any portion of the Software in source code form.
*/

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _LINUX_QRTR_H
#define _LINUX_QRTR_H

#include <linux/socket.h>
#include <linux/types.h>

#ifndef AF_QIPCRTR
#define AF_QIPCRTR 42
#endif

#define QRTR_NODE_BCAST	0xffffffffu
#define QRTR_PORT_CTRL	0xfffffffeu

struct sockaddr_qrtr {
	__kernel_sa_family_t sq_family;
	__u32 sq_node;
	__u32 sq_port;
};

enum qrtr_pkt_type {
	QRTR_TYPE_DATA		= 1,
	QRTR_TYPE_HELLO		= 2,
	QRTR_TYPE_BYE		= 3,
	QRTR_TYPE_NEW_SERVER	= 4,
	QRTR_TYPE_DEL_SERVER	= 5,
	QRTR_TYPE_DEL_CLIENT	= 6,
	QRTR_TYPE_RESUME_TX	= 7,
	QRTR_TYPE_EXIT          = 8,
	QRTR_TYPE_PING          = 9,
	QRTR_TYPE_NEW_LOOKUP	= 10,
	QRTR_TYPE_DEL_LOOKUP	= 11,
};

#define QRTR_TYPE_DEL_PROC 13

struct qrtr_ctrl_pkt {
	__le32 cmd;

	union {
		struct {
			__le32 service;
			__le32 instance;
			__le32 node;
			__le32 port;
		} server;

		struct {
			__le32 node;
			__le32 port;
		} client;

		struct {
			__le32 rsvd;
			__le32 node;
		} proc;

	};
} __attribute__ ((packed));

#define QRTR_PROTO_VER_1 1

struct qrtr_hdr_v1 {
	__le32 version;
	__le32 type;
	__le32 src_node_id;
	__le32 src_port_id;
	__le32 confirm_rx;
	__le32 size;
	__le32 dst_node_id;
	__le32 dst_port_id;
} __attribute__ ((packed));

#endif /* _LINUX_QRTR_H */