/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (c) 2019-2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved */

#ifndef IOCTL_H
#define IOCTL_H

#include "ether_export.h"
/**
 *@addtogroup IOCTL Helper MACROS
 * @{
 */
#define NUM_BYTES_IN_IPADDR	4
#define MAX_IP_ADDR_BYTE	0xFFU
/* PTP offload mode defines */
#define ETHER_PTP_ORDINARY_SLAVE		1
#define ETHER_PTP_ORDINARY_MASTER		2
#define ETHER_PTP_TRASPARENT_SLAVE		3
#define ETHER_PTP_TRASPARENT_MASTER		4
#define ETHER_PTP_PEER_TO_PEER_TRANSPARENT	5

/* class E IP4 addr start range, reserved */
#define CLASS_E_IP4_ADDR_RANGE_START	240U
/* class D multicast addr range */
#define MIN_MC_ADDR_RANGE	224U
#define MAX_MC_ADDR_RANGE	239U

/* Remote wakeup filter */
#define EQOS_RWK_FILTER_LENGTH		8
#define ETHER_PRV_TS_IOCTL		(SIOCDEVPRIVATE + 1)
#define ETHER_PRV_RMDIO_IOCTL		(SIOCDEVPRIVATE + 2)
#define ETHER_PRV_WMDIO_IOCTL		(SIOCDEVPRIVATE + 3)
/* private ioctl number*/
/* TX/RX channel/queue count */
#define EQOS_GET_TX_QCNT		23
#define EQOS_GET_RX_QCNT		24
/* L3/L4 filter */
#define EQOS_L3_L4_FILTER_CMD		29
/* IPv4/6 and TCP/UDP filtering */
#define EQOS_IPV4_FILTERING_CMD		30
#define EQOS_IPV6_FILTERING_CMD		31
#define EQOS_UDP_FILTERING_CMD		32
#define EQOS_TCP_FILTERING_CMD		33
/* VLAN filtering */
#define EQOS_VLAN_FILTERING_CMD		34
/* L2 DA filtering */
#define EQOS_L2_DA_FILTERING_CMD	35
#define ETHER_CONFIG_ARP_OFFLOAD	36
#define ETHER_CONFIG_LOOPBACK_MODE	40
#define ETHER_CONFIG_PTP_OFFLOAD	42
#define ETHER_PTP_RXQUEUE		48
#define ETHER_MC_DMA_ROUTE		52
#define ETHER_READ_REG			53
#define ETHER_WRITE_REG			54
#define ETHER_PAD_CALIBRATION		55
#ifdef OSI_DEBUG
#define ETHER_REGISTER_DUMP		56
#define ETHER_STRUCTURE_DUMP		57
#endif /* OSI_DEBUG */
#define ETHER_CAP_TSC_PTP		58
#define ETHER_M2M_TSYNC			59
#ifdef OSI_DEBUG
#define ETHER_DEBUG_INTR_CONFIG	60
#endif
/** @} */

/**
 * @brief struct arp_offload_param - Parameter to support ARP offload.
 */
struct arp_offload_param {
	/** ip_addr: Byte array for decimal representation of IP address.
	 * For example, 192.168.1.3 is represented as
	 * ip_addr[0] = '192' ip_addr[1] = '168' ip_addr[2] = '1' 
	 * ip_addr[3] = '3' */
	unsigned char ip_addr[NUM_BYTES_IN_IPADDR];
};

/**
 * @brief struct ptp_offload_param - Parameter to support PTP offload.
 */
struct ptp_offload_param {
	int en_dis;
	int mode;
	int domain_num;
	int mc_uc;
};

/**
 * @brief struct ifr_data_timestamp_struct - common data structure between
 *	driver and application for sharing info through private TS ioctl
 */
struct ifr_data_timestamp_struct {
	/** Clock ID */
	clockid_t clockid;
	/** Store kernel time */
	struct timespec64 kernel_ts;
	/** Store HW time */
	struct timespec64 hw_ptp_ts;
};

/**
 * @brief ether_priv_ioctl - Handle private IOCTLs
 *	Algorithm:
 *	1) Copy the priv command data from user space.
 *	2) Check the priv command cmd and invoke handler func.
 *	if it is supported.
 *	3) Copy result back to user space.
 *
 * @param[in] ndev: network device structure
 * @param[in] ifr: Interface request structure used for socket ioctl's.
 *
 * @note Interface should be running (enforced by caller).
 *
 * @retval 0 on success
 * @retval negative value on failure.
 */
int ether_handle_priv_ioctl(struct net_device *ndev,
			    struct ifreq *ifr);
#endif