[linux-2.6-block.git] / drivers / net / ethernet / cavium / thunder / nic.h

/*
 * Copyright (C) 2015 Cavium, Inc.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License
 * as published by the Free Software Foundation.
 */

#ifndef NIC_H
#define	NIC_H

#include <linux/netdevice.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include "thunder_bgx.h"

/* PCI device IDs */
#define	PCI_DEVICE_ID_THUNDER_NIC_PF		0xA01E
#define	PCI_DEVICE_ID_THUNDER_PASS1_NIC_VF	0x0011
#define	PCI_DEVICE_ID_THUNDER_NIC_VF		0xA034
#define	PCI_DEVICE_ID_THUNDER_BGX		0xA026

/* Subsystem device IDs */
#define PCI_SUBSYS_DEVID_88XX_NIC_PF		0xA11E
#define PCI_SUBSYS_DEVID_81XX_NIC_PF		0xA21E
#define PCI_SUBSYS_DEVID_83XX_NIC_PF		0xA31E

#define PCI_SUBSYS_DEVID_88XX_PASS1_NIC_VF	0xA11E
#define PCI_SUBSYS_DEVID_88XX_NIC_VF		0xA134
#define PCI_SUBSYS_DEVID_81XX_NIC_VF		0xA234
#define PCI_SUBSYS_DEVID_83XX_NIC_VF		0xA334


/* PCI BAR nos */
#define	PCI_CFG_REG_BAR_NUM		0
#define	PCI_MSIX_REG_BAR_NUM		4

/* NIC SRIOV VF count */
#define	MAX_NUM_VFS_SUPPORTED		128
#define	DEFAULT_NUM_VF_ENABLED		8

#define	NIC_TNS_BYPASS_MODE		0
#define	NIC_TNS_MODE			1

/* NIC priv flags */
#define	NIC_SRIOV_ENABLED		BIT(0)

/* Min/Max packet size */
#define	NIC_HW_MIN_FRS			64
#define	NIC_HW_MAX_FRS			9190 /* Excluding L2 header and FCS */

/* Max pkinds */
#define	NIC_MAX_PKIND			16

/* Max when CPI_ALG is IP diffserv */
#define	NIC_MAX_CPI_PER_LMAC		64

/* NIC VF Interrupts */
#define	NICVF_INTR_CQ			0
#define	NICVF_INTR_SQ			1
#define	NICVF_INTR_RBDR			2
#define	NICVF_INTR_PKT_DROP		3
#define	NICVF_INTR_TCP_TIMER		4
#define	NICVF_INTR_MBOX			5
#define	NICVF_INTR_QS_ERR		6

#define	NICVF_INTR_CQ_SHIFT		0
#define	NICVF_INTR_SQ_SHIFT		8
#define	NICVF_INTR_RBDR_SHIFT		16
#define	NICVF_INTR_PKT_DROP_SHIFT	20
#define	NICVF_INTR_TCP_TIMER_SHIFT	21
#define	NICVF_INTR_MBOX_SHIFT		22
#define	NICVF_INTR_QS_ERR_SHIFT		23

#define	NICVF_INTR_CQ_MASK		(0xFF << NICVF_INTR_CQ_SHIFT)
#define	NICVF_INTR_SQ_MASK		(0xFF << NICVF_INTR_SQ_SHIFT)
#define	NICVF_INTR_RBDR_MASK		(0x03 << NICVF_INTR_RBDR_SHIFT)
#define	NICVF_INTR_PKT_DROP_MASK	BIT(NICVF_INTR_PKT_DROP_SHIFT)
#define	NICVF_INTR_TCP_TIMER_MASK	BIT(NICVF_INTR_TCP_TIMER_SHIFT)
#define	NICVF_INTR_MBOX_MASK		BIT(NICVF_INTR_MBOX_SHIFT)
#define	NICVF_INTR_QS_ERR_MASK		BIT(NICVF_INTR_QS_ERR_SHIFT)

/* MSI-X interrupts */
#define	NIC_PF_MSIX_VECTORS		10
#define	NIC_VF_MSIX_VECTORS		20

#define NIC_PF_INTR_ID_ECC0_SBE		0
#define NIC_PF_INTR_ID_ECC0_DBE		1
#define NIC_PF_INTR_ID_ECC1_SBE		2
#define NIC_PF_INTR_ID_ECC1_DBE		3
#define NIC_PF_INTR_ID_ECC2_SBE		4
#define NIC_PF_INTR_ID_ECC2_DBE		5
#define NIC_PF_INTR_ID_ECC3_SBE		6
#define NIC_PF_INTR_ID_ECC3_DBE		7
#define NIC_PF_INTR_ID_MBOX0		8
#define NIC_PF_INTR_ID_MBOX1		9

/* Minimum FIFO level before all packets for the CQ are dropped
 *
 * This value ensures that once a packet has been "accepted"
 * for reception it will not get dropped due to non-availability
 * of CQ descriptor. An errata in HW mandates this value to be
 * atleast 0x100.
 */
#define NICPF_CQM_MIN_DROP_LEVEL       0x100

/* Global timer for CQ timer thresh interrupts
 * Calculated for SCLK of 700Mhz
 * value written should be a 1/16th of what is expected
 *
 * 1 tick per 0.025usec
 */
#define NICPF_CLK_PER_INT_TICK		1

/* Time to wait before we decide that a SQ is stuck.
 *
 * Since both pkt rx and tx notifications are done with same CQ,
 * when packets are being received at very high rate (eg: L2 forwarding)
 * then freeing transmitted skbs will be delayed and watchdog
 * will kick in, resetting interface. Hence keeping this value high.
 */
#define	NICVF_TX_TIMEOUT		(50 * HZ)

struct nicvf_cq_poll {
	struct  nicvf *nicvf;
	u8	cq_idx;		/* Completion queue index */
	struct	napi_struct napi;
};

#define NIC_MAX_RSS_HASH_BITS		8
#define NIC_MAX_RSS_IDR_TBL_SIZE	(1 << NIC_MAX_RSS_HASH_BITS)
#define RSS_HASH_KEY_SIZE		5 /* 320 bit key */

struct nicvf_rss_info {
	bool enable;
#define	RSS_L2_EXTENDED_HASH_ENA	BIT(0)
#define	RSS_IP_HASH_ENA			BIT(1)
#define	RSS_TCP_HASH_ENA		BIT(2)
#define	RSS_TCP_SYN_DIS			BIT(3)
#define	RSS_UDP_HASH_ENA		BIT(4)
#define RSS_L4_EXTENDED_HASH_ENA	BIT(5)
#define	RSS_ROCE_ENA			BIT(6)
#define	RSS_L3_BI_DIRECTION_ENA		BIT(7)
#define	RSS_L4_BI_DIRECTION_ENA		BIT(8)
	u64 cfg;
	u8  hash_bits;
	u16 rss_size;
	u8  ind_tbl[NIC_MAX_RSS_IDR_TBL_SIZE];
	u64 key[RSS_HASH_KEY_SIZE];
} ____cacheline_aligned_in_smp;

struct nicvf_pfc {
	u8    autoneg;
	u8    fc_rx;
	u8    fc_tx;
};

enum rx_stats_reg_offset {
	RX_OCTS = 0x0,
	RX_UCAST = 0x1,
	RX_BCAST = 0x2,
	RX_MCAST = 0x3,
	RX_RED = 0x4,
	RX_RED_OCTS = 0x5,
	RX_ORUN = 0x6,
	RX_ORUN_OCTS = 0x7,
	RX_FCS = 0x8,
	RX_L2ERR = 0x9,
	RX_DRP_BCAST = 0xa,
	RX_DRP_MCAST = 0xb,
	RX_DRP_L3BCAST = 0xc,
	RX_DRP_L3MCAST = 0xd,
	RX_STATS_ENUM_LAST,
};

enum tx_stats_reg_offset {
	TX_OCTS = 0x0,
	TX_UCAST = 0x1,
	TX_BCAST = 0x2,
	TX_MCAST = 0x3,
	TX_DROP = 0x4,
	TX_STATS_ENUM_LAST,
};

struct nicvf_hw_stats {
	u64 rx_bytes;
	u64 rx_frames;
	u64 rx_ucast_frames;
	u64 rx_bcast_frames;
	u64 rx_mcast_frames;
	u64 rx_drops;
	u64 rx_drop_red;
	u64 rx_drop_red_bytes;
	u64 rx_drop_overrun;
	u64 rx_drop_overrun_bytes;
	u64 rx_drop_bcast;
	u64 rx_drop_mcast;
	u64 rx_drop_l3_bcast;
	u64 rx_drop_l3_mcast;
	u64 rx_fcs_errors;
	u64 rx_l2_errors;

	u64 tx_bytes;
	u64 tx_frames;
	u64 tx_ucast_frames;
	u64 tx_bcast_frames;
	u64 tx_mcast_frames;
	u64 tx_drops;
};

struct nicvf_drv_stats {
	/* CQE Rx errs */
	u64 rx_bgx_truncated_pkts;
	u64 rx_jabber_errs;
	u64 rx_fcs_errs;
	u64 rx_bgx_errs;
	u64 rx_prel2_errs;
	u64 rx_l2_hdr_malformed;
	u64 rx_oversize;
	u64 rx_undersize;
	u64 rx_l2_len_mismatch;
	u64 rx_l2_pclp;
	u64 rx_ip_ver_errs;
	u64 rx_ip_csum_errs;
	u64 rx_ip_hdr_malformed;
	u64 rx_ip_payload_malformed;
	u64 rx_ip_ttl_errs;
	u64 rx_l3_pclp;
	u64 rx_l4_malformed;
	u64 rx_l4_csum_errs;
	u64 rx_udp_len_errs;
	u64 rx_l4_port_errs;
	u64 rx_tcp_flag_errs;
	u64 rx_tcp_offset_errs;
	u64 rx_l4_pclp;
	u64 rx_truncated_pkts;

	/* CQE Tx errs */
	u64 tx_desc_fault;
	u64 tx_hdr_cons_err;
	u64 tx_subdesc_err;
	u64 tx_max_size_exceeded;
	u64 tx_imm_size_oflow;
	u64 tx_data_seq_err;
	u64 tx_mem_seq_err;
	u64 tx_lock_viol;
	u64 tx_data_fault;
	u64 tx_tstmp_conflict;
	u64 tx_tstmp_timeout;
	u64 tx_mem_fault;
	u64 tx_csum_overlap;
	u64 tx_csum_overflow;

	/* driver debug stats */
	u64 tx_tso;
	u64 tx_timeout;
	u64 txq_stop;
	u64 txq_wake;

	u64 rcv_buffer_alloc_failures;
	u64 page_alloc;

	struct u64_stats_sync   syncp;
};

struct cavium_ptp;

struct xcast_addr_list {
	int              count;
	u64              mc[];
};

struct nicvf_work {
	struct delayed_work    work;
	u8                     mode;
	struct xcast_addr_list *mc;
};

struct nicvf {
	struct nicvf		*pnicvf;
	struct net_device	*netdev;
	struct pci_dev		*pdev;
	void __iomem		*reg_base;
	struct bpf_prog         *xdp_prog;
#define	MAX_QUEUES_PER_QSET			8
	struct queue_set	*qs;
	void			*iommu_domain;
	u8			vf_id;
	u8			sqs_id;
	bool                    sqs_mode;
	bool			hw_tso;
	bool			t88;

	/* Receive buffer alloc */
	u32			rb_page_offset;
	u16			rb_pageref;
	bool			rb_alloc_fail;
	bool			rb_work_scheduled;
	struct page		*rb_page;
	struct delayed_work	rbdr_work;
	struct tasklet_struct	rbdr_task;

	/* Secondary Qset */
	u8			sqs_count;
#define	MAX_SQS_PER_VF_SINGLE_NODE		5
#define	MAX_SQS_PER_VF				11
	struct nicvf		*snicvf[MAX_SQS_PER_VF];

	/* Queue count */
	u8			rx_queues;
	u8			tx_queues;
	u8			xdp_tx_queues;
	u8			max_queues;

	u8			node;
	u8			cpi_alg;
	bool			link_up;
	u8			mac_type;
	u8			duplex;
	u32			speed;
	bool			tns_mode;
	bool			loopback_supported;
	struct nicvf_rss_info	rss_info;
	struct nicvf_pfc	pfc;
	struct tasklet_struct	qs_err_task;
	struct work_struct	reset_task;
	struct nicvf_work       rx_mode_work;

	/* PTP timestamp */
	struct cavium_ptp	*ptp_clock;
	/* Inbound timestamping is on */
	bool			hw_rx_tstamp;
	/* When the packet that requires timestamping is sent, hardware inserts
	 * two entries to the completion queue.  First is the regular
	 * CQE_TYPE_SEND entry that signals that the packet was sent.
	 * The second is CQE_TYPE_SEND_PTP that contains the actual timestamp
	 * for that packet.
	 * `ptp_skb` is initialized in the handler for the CQE_TYPE_SEND
	 * entry and is used and zeroed in the handler for the CQE_TYPE_SEND_PTP
	 * entry.
	 * So `ptp_skb` is used to hold the pointer to the packet between
	 * the calls to CQE_TYPE_SEND and CQE_TYPE_SEND_PTP handlers.
	 */
	struct sk_buff		*ptp_skb;
	/* `tx_ptp_skbs` is set when the hardware is sending a packet that
	 * requires timestamping.  Cavium hardware can not process more than one
	 * such packet at once so this is set each time the driver submits
	 * a packet that requires timestamping to the send queue and clears
	 * each time it receives the entry on the completion queue saying
	 * that such packet was sent.
	 * So `tx_ptp_skbs` prevents driver from submitting more than one
	 * packet that requires timestamping to the hardware for transmitting.
	 */
	atomic_t		tx_ptp_skbs;

	/* Interrupt coalescing settings */
	u32			cq_coalesce_usecs;
	u32			msg_enable;

	/* Stats */
	struct nicvf_hw_stats   hw_stats;
	struct nicvf_drv_stats  __percpu *drv_stats;
	struct bgx_stats	bgx_stats;

	/* Napi */
	struct nicvf_cq_poll	*napi[8];

	/* MSI-X  */
	u8			num_vec;
	char			irq_name[NIC_VF_MSIX_VECTORS][IFNAMSIZ + 15];
	bool			irq_allocated[NIC_VF_MSIX_VECTORS];
	cpumask_var_t		affinity_mask[NIC_VF_MSIX_VECTORS];

	/* VF <-> PF mailbox communication */
	bool			pf_acked;
	bool			pf_nacked;
	bool			set_mac_pending;
} ____cacheline_aligned_in_smp;

/* PF <--> VF Mailbox communication
 * Eight 64bit registers are shared between PF and VF.
 * Separate set for each VF.
 * Writing '1' into last register mbx7 means end of message.
 */

/* PF <--> VF mailbox communication */
#define	NIC_PF_VF_MAILBOX_SIZE		2
#define	NIC_MBOX_MSG_TIMEOUT		2000 /* ms */

/* Mailbox message types */
#define	NIC_MBOX_MSG_READY		0x01	/* Is PF ready to rcv msgs */
#define	NIC_MBOX_MSG_ACK		0x02	/* ACK the message received */
#define	NIC_MBOX_MSG_NACK		0x03	/* NACK the message received */
#define	NIC_MBOX_MSG_QS_CFG		0x04	/* Configure Qset */
#define	NIC_MBOX_MSG_RQ_CFG		0x05	/* Configure receive queue */
#define	NIC_MBOX_MSG_SQ_CFG		0x06	/* Configure Send queue */
#define	NIC_MBOX_MSG_RQ_DROP_CFG	0x07	/* Configure receive queue */
#define	NIC_MBOX_MSG_SET_MAC		0x08	/* Add MAC ID to DMAC filter */
#define	NIC_MBOX_MSG_SET_MAX_FRS	0x09	/* Set max frame size */
#define	NIC_MBOX_MSG_CPI_CFG		0x0A	/* Config CPI, RSSI */
#define	NIC_MBOX_MSG_RSS_SIZE		0x0B	/* Get RSS indir_tbl size */
#define	NIC_MBOX_MSG_RSS_CFG		0x0C	/* Config RSS table */
#define	NIC_MBOX_MSG_RSS_CFG_CONT	0x0D	/* RSS config continuation */
#define	NIC_MBOX_MSG_RQ_BP_CFG		0x0E	/* RQ backpressure config */
#define	NIC_MBOX_MSG_RQ_SW_SYNC		0x0F	/* Flush inflight pkts to RQ */
#define	NIC_MBOX_MSG_BGX_STATS		0x10	/* Get stats from BGX */
#define	NIC_MBOX_MSG_BGX_LINK_CHANGE	0x11	/* BGX:LMAC link status */
#define	NIC_MBOX_MSG_ALLOC_SQS		0x12	/* Allocate secondary Qset */
#define	NIC_MBOX_MSG_NICVF_PTR		0x13	/* Send nicvf ptr to PF */
#define	NIC_MBOX_MSG_PNICVF_PTR		0x14	/* Get primary qset nicvf ptr */
#define	NIC_MBOX_MSG_SNICVF_PTR		0x15	/* Send sqet nicvf ptr to PVF */
#define	NIC_MBOX_MSG_LOOPBACK		0x16	/* Set interface in loopback */
#define	NIC_MBOX_MSG_RESET_STAT_COUNTER 0x17	/* Reset statistics counters */
#define	NIC_MBOX_MSG_PFC		0x18	/* Pause frame control */
#define	NIC_MBOX_MSG_PTP_CFG		0x19	/* HW packet timestamp */
#define	NIC_MBOX_MSG_CFG_DONE		0xF0	/* VF configuration done */
#define	NIC_MBOX_MSG_SHUTDOWN		0xF1	/* VF is being shutdown */
#define	NIC_MBOX_MSG_RESET_XCAST	0xF2    /* Reset DCAM filtering mode */
#define	NIC_MBOX_MSG_ADD_MCAST		0xF3    /* Add MAC to DCAM filters */
#define	NIC_MBOX_MSG_SET_XCAST		0xF4    /* Set MCAST/BCAST RX mode */

struct nic_cfg_msg {
	u8    msg;
	u8    vf_id;
	u8    node_id;
	u8    tns_mode:1;
	u8    sqs_mode:1;
	u8    loopback_supported:1;
	u8    mac_addr[ETH_ALEN];
};

/* Qset configuration */
struct qs_cfg_msg {
	u8    msg;
	u8    num;
	u8    sqs_count;
	u64   cfg;
};

/* Receive queue configuration */
struct rq_cfg_msg {
	u8    msg;
	u8    qs_num;
	u8    rq_num;
	u64   cfg;
};

/* Send queue configuration */
struct sq_cfg_msg {
	u8    msg;
	u8    qs_num;
	u8    sq_num;
	bool  sqs_mode;
	u64   cfg;
};

/* Set VF's MAC address */
struct set_mac_msg {
	u8    msg;
	u8    vf_id;
	u8    mac_addr[ETH_ALEN];
};

/* Set Maximum frame size */
struct set_frs_msg {
	u8    msg;
	u8    vf_id;
	u16   max_frs;
};

/* Set CPI algorithm type */
struct cpi_cfg_msg {
	u8    msg;
	u8    vf_id;
	u8    rq_cnt;
	u8    cpi_alg;
};

/* Get RSS table size */
struct rss_sz_msg {
	u8    msg;
	u8    vf_id;
	u16   ind_tbl_size;
};

/* Set RSS configuration */
struct rss_cfg_msg {
	u8    msg;
	u8    vf_id;
	u8    hash_bits;
	u8    tbl_len;
	u8    tbl_offset;
#define RSS_IND_TBL_LEN_PER_MBX_MSG	8
	u8    ind_tbl[RSS_IND_TBL_LEN_PER_MBX_MSG];
};

struct bgx_stats_msg {
	u8    msg;
	u8    vf_id;
	u8    rx;
	u8    idx;
	u64   stats;
};

/* Physical interface link status */
struct bgx_link_status {
	u8    msg;
	u8    mac_type;
	u8    link_up;
	u8    duplex;
	u32   speed;
};

/* Get Extra Qset IDs */
struct sqs_alloc {
	u8    msg;
	u8    vf_id;
	u8    qs_count;
};

struct nicvf_ptr {
	u8    msg;
	u8    vf_id;
	bool  sqs_mode;
	u8    sqs_id;
	u64   nicvf;
};

/* Set interface in loopback mode */
struct set_loopback {
	u8    msg;
	u8    vf_id;
	bool  enable;
};

/* Reset statistics counters */
struct reset_stat_cfg {
	u8    msg;
	/* Bitmap to select NIC_PF_VNIC(vf_id)_RX_STAT(0..13) */
	u16   rx_stat_mask;
	/* Bitmap to select NIC_PF_VNIC(vf_id)_TX_STAT(0..4) */
	u8    tx_stat_mask;
	/* Bitmap to select NIC_PF_QS(0..127)_RQ(0..7)_STAT(0..1)
	 * bit14, bit15 NIC_PF_QS(vf_id)_RQ7_STAT(0..1)
	 * bit12, bit13 NIC_PF_QS(vf_id)_RQ6_STAT(0..1)
	 * ..
	 * bit2, bit3 NIC_PF_QS(vf_id)_RQ1_STAT(0..1)
	 * bit0, bit1 NIC_PF_QS(vf_id)_RQ0_STAT(0..1)
	 */
	u16   rq_stat_mask;
	/* Bitmap to select NIC_PF_QS(0..127)_SQ(0..7)_STAT(0..1)
	 * bit14, bit15 NIC_PF_QS(vf_id)_SQ7_STAT(0..1)
	 * bit12, bit13 NIC_PF_QS(vf_id)_SQ6_STAT(0..1)
	 * ..
	 * bit2, bit3 NIC_PF_QS(vf_id)_SQ1_STAT(0..1)
	 * bit0, bit1 NIC_PF_QS(vf_id)_SQ0_STAT(0..1)
	 */
	u16   sq_stat_mask;
};

struct pfc {
	u8    msg;
	u8    get; /* Get or set PFC settings */
	u8    autoneg;
	u8    fc_rx;
	u8    fc_tx;
};

struct set_ptp {
	u8    msg;
	bool  enable;
};

struct xcast {
	u8    msg;
	union {
		u8    mode;
		u64   mac;
	} data;
};

/* 128 bit shared memory between PF and each VF */
union nic_mbx {
	struct { u8 msg; }	msg;
	struct nic_cfg_msg	nic_cfg;
	struct qs_cfg_msg	qs;
	struct rq_cfg_msg	rq;
	struct sq_cfg_msg	sq;
	struct set_mac_msg	mac;
	struct set_frs_msg	frs;
	struct cpi_cfg_msg	cpi_cfg;
	struct rss_sz_msg	rss_size;
	struct rss_cfg_msg	rss_cfg;
	struct bgx_stats_msg    bgx_stats;
	struct bgx_link_status  link_status;
	struct sqs_alloc        sqs_alloc;
	struct nicvf_ptr	nicvf;
	struct set_loopback	lbk;
	struct reset_stat_cfg	reset_stat;
	struct pfc		pfc;
	struct set_ptp		ptp;
	struct xcast            xcast;
};

#define NIC_NODE_ID_MASK	0x03
#define NIC_NODE_ID_SHIFT	44

static inline int nic_get_node_id(struct pci_dev *pdev)
{
	u64 addr = pci_resource_start(pdev, PCI_CFG_REG_BAR_NUM);
	return ((addr >> NIC_NODE_ID_SHIFT) & NIC_NODE_ID_MASK);
}

static inline bool pass1_silicon(struct pci_dev *pdev)
{
	return (pdev->revision < 8) &&
		(pdev->subsystem_device == PCI_SUBSYS_DEVID_88XX_NIC_PF);
}

static inline bool pass2_silicon(struct pci_dev *pdev)
{
	return (pdev->revision >= 8) &&
		(pdev->subsystem_device == PCI_SUBSYS_DEVID_88XX_NIC_PF);
}

int nicvf_set_real_num_queues(struct net_device *netdev,
			      int tx_queues, int rx_queues);
int nicvf_open(struct net_device *netdev);
int nicvf_stop(struct net_device *netdev);
int nicvf_send_msg_to_pf(struct nicvf *vf, union nic_mbx *mbx);
void nicvf_config_rss(struct nicvf *nic);
void nicvf_set_rss_key(struct nicvf *nic);
void nicvf_set_ethtool_ops(struct net_device *netdev);
void nicvf_update_stats(struct nicvf *nic);
void nicvf_update_lmac_stats(struct nicvf *nic);

#endif /* NIC_H */
Commit	Line	Data
4863dea3 SG	1	/*
	2	* Copyright (C) 2015 Cavium, Inc.
	3	*
	4	* This program is free software; you can redistribute it and/or modify it
	5	* under the terms of version 2 of the GNU General Public License
	6	* as published by the Free Software Foundation.
	7	*/
	8
	9	#ifndef NIC_H
	10	#define NIC_H
	11
	12	#include <linux/netdevice.h>
	13	#include <linux/interrupt.h>
d768b678	14	#include <linux/pci.h>
4863dea3 SG	15	#include "thunder_bgx.h"
	16
	17	/* PCI device IDs */
	18	#define PCI_DEVICE_ID_THUNDER_NIC_PF 0xA01E
	19	#define PCI_DEVICE_ID_THUNDER_PASS1_NIC_VF 0x0011
	20	#define PCI_DEVICE_ID_THUNDER_NIC_VF 0xA034
	21	#define PCI_DEVICE_ID_THUNDER_BGX 0xA026
	22
a5c3d498	23	/* Subsystem device IDs */
f7ff0ae8 SG	24	#define PCI_SUBSYS_DEVID_88XX_NIC_PF 0xA11E
	25	#define PCI_SUBSYS_DEVID_81XX_NIC_PF 0xA21E
	26	#define PCI_SUBSYS_DEVID_83XX_NIC_PF 0xA31E
	27
	28	#define PCI_SUBSYS_DEVID_88XX_PASS1_NIC_VF 0xA11E
	29	#define PCI_SUBSYS_DEVID_88XX_NIC_VF 0xA134
	30	#define PCI_SUBSYS_DEVID_81XX_NIC_VF 0xA234
	31	#define PCI_SUBSYS_DEVID_83XX_NIC_VF 0xA334
	32
a5c3d498	33
4863dea3 SG	34	/* PCI BAR nos */
	35	#define PCI_CFG_REG_BAR_NUM 0
	36	#define PCI_MSIX_REG_BAR_NUM 4
	37
	38	/* NIC SRIOV VF count */
	39	#define MAX_NUM_VFS_SUPPORTED 128
	40	#define DEFAULT_NUM_VF_ENABLED 8
	41
	42	#define NIC_TNS_BYPASS_MODE 0
	43	#define NIC_TNS_MODE 1
	44
	45	/* NIC priv flags */
	46	#define NIC_SRIOV_ENABLED BIT(0)
	47
	48	/* Min/Max packet size */
	49	#define NIC_HW_MIN_FRS 64
712c3185	50	#define NIC_HW_MAX_FRS 9190 /* Excluding L2 header and FCS */
4863dea3 SG	51
	52	/* Max pkinds */
	53	#define NIC_MAX_PKIND 16
	54
a5c3d498 SG	55	/* Max when CPI_ALG is IP diffserv */
a5c3d498 SG	56	#define NIC_MAX_CPI_PER_LMAC 64
4863dea3 SG	57
	58	/* NIC VF Interrupts */
	59	#define NICVF_INTR_CQ 0
	60	#define NICVF_INTR_SQ 1
	61	#define NICVF_INTR_RBDR 2
	62	#define NICVF_INTR_PKT_DROP 3
	63	#define NICVF_INTR_TCP_TIMER 4
	64	#define NICVF_INTR_MBOX 5
	65	#define NICVF_INTR_QS_ERR 6
	66
	67	#define NICVF_INTR_CQ_SHIFT 0
	68	#define NICVF_INTR_SQ_SHIFT 8
	69	#define NICVF_INTR_RBDR_SHIFT 16
	70	#define NICVF_INTR_PKT_DROP_SHIFT 20
	71	#define NICVF_INTR_TCP_TIMER_SHIFT 21
	72	#define NICVF_INTR_MBOX_SHIFT 22
	73	#define NICVF_INTR_QS_ERR_SHIFT 23
	74
	75	#define NICVF_INTR_CQ_MASK (0xFF << NICVF_INTR_CQ_SHIFT)
	76	#define NICVF_INTR_SQ_MASK (0xFF << NICVF_INTR_SQ_SHIFT)
	77	#define NICVF_INTR_RBDR_MASK (0x03 << NICVF_INTR_RBDR_SHIFT)
	78	#define NICVF_INTR_PKT_DROP_MASK BIT(NICVF_INTR_PKT_DROP_SHIFT)
	79	#define NICVF_INTR_TCP_TIMER_MASK BIT(NICVF_INTR_TCP_TIMER_SHIFT)
	80	#define NICVF_INTR_MBOX_MASK BIT(NICVF_INTR_MBOX_SHIFT)
	81	#define NICVF_INTR_QS_ERR_MASK BIT(NICVF_INTR_QS_ERR_SHIFT)
	82
	83	/* MSI-X interrupts */
	84	#define NIC_PF_MSIX_VECTORS 10
	85	#define NIC_VF_MSIX_VECTORS 20
	86
	87	#define NIC_PF_INTR_ID_ECC0_SBE 0
	88	#define NIC_PF_INTR_ID_ECC0_DBE 1
	89	#define NIC_PF_INTR_ID_ECC1_SBE 2
	90	#define NIC_PF_INTR_ID_ECC1_DBE 3
	91	#define NIC_PF_INTR_ID_ECC2_SBE 4
	92	#define NIC_PF_INTR_ID_ECC2_DBE 5
	93	#define NIC_PF_INTR_ID_ECC3_SBE 6
	94	#define NIC_PF_INTR_ID_ECC3_DBE 7
	95	#define NIC_PF_INTR_ID_MBOX0 8
	96	#define NIC_PF_INTR_ID_MBOX1 9
	97
4c0b6eaf SG	98	/* Minimum FIFO level before all packets for the CQ are dropped
	99	*
	100	* This value ensures that once a packet has been "accepted"
	101	* for reception it will not get dropped due to non-availability
	102	* of CQ descriptor. An errata in HW mandates this value to be
	103	* atleast 0x100.
	104	*/
	105	#define NICPF_CQM_MIN_DROP_LEVEL 0x100
	106
4863dea3 SG	107	/* Global timer for CQ timer thresh interrupts
	108	* Calculated for SCLK of 700Mhz
	109	* value written should be a 1/16th of what is expected
	110	*
006394a7	111	* 1 tick per 0.025usec
4863dea3	112	*/
006394a7	113	#define NICPF_CLK_PER_INT_TICK 1
4863dea3	114
3d7a8aaa SG	115	/* Time to wait before we decide that a SQ is stuck.
	116	*
	117	* Since both pkt rx and tx notifications are done with same CQ,
	118	* when packets are being received at very high rate (eg: L2 forwarding)
	119	* then freeing transmitted skbs will be delayed and watchdog
	120	* will kick in, resetting interface. Hence keeping this value high.
	121	*/
	122	#define NICVF_TX_TIMEOUT (50 * HZ)
	123
4863dea3	124	struct nicvf_cq_poll {
39ad6eea	125	struct nicvf *nicvf;
4863dea3 SG	126	u8 cq_idx; /* Completion queue index */
	127	struct napi_struct napi;
	128	};
	129
4863dea3 SG	130	#define NIC_MAX_RSS_HASH_BITS 8
	131	#define NIC_MAX_RSS_IDR_TBL_SIZE (1 << NIC_MAX_RSS_HASH_BITS)
	132	#define RSS_HASH_KEY_SIZE 5 /* 320 bit key */
	133
	134	struct nicvf_rss_info {
	135	bool enable;
	136	#define RSS_L2_EXTENDED_HASH_ENA BIT(0)
	137	#define RSS_IP_HASH_ENA BIT(1)
	138	#define RSS_TCP_HASH_ENA BIT(2)
	139	#define RSS_TCP_SYN_DIS BIT(3)
	140	#define RSS_UDP_HASH_ENA BIT(4)
	141	#define RSS_L4_EXTENDED_HASH_ENA BIT(5)
	142	#define RSS_ROCE_ENA BIT(6)
	143	#define RSS_L3_BI_DIRECTION_ENA BIT(7)
	144	#define RSS_L4_BI_DIRECTION_ENA BIT(8)
	145	u64 cfg;
	146	u8 hash_bits;
	147	u16 rss_size;
	148	u8 ind_tbl[NIC_MAX_RSS_IDR_TBL_SIZE];
	149	u64 key[RSS_HASH_KEY_SIZE];
	150	} ____cacheline_aligned_in_smp;
	151
430da208 SG	152	struct nicvf_pfc {
	153	u8 autoneg;
	154	u8 fc_rx;
	155	u8 fc_tx;
	156	};
	157
4863dea3 SG	158	enum rx_stats_reg_offset {
	159	RX_OCTS = 0x0,
	160	RX_UCAST = 0x1,
	161	RX_BCAST = 0x2,
	162	RX_MCAST = 0x3,
	163	RX_RED = 0x4,
	164	RX_RED_OCTS = 0x5,
	165	RX_ORUN = 0x6,
	166	RX_ORUN_OCTS = 0x7,
	167	RX_FCS = 0x8,
	168	RX_L2ERR = 0x9,
	169	RX_DRP_BCAST = 0xa,
	170	RX_DRP_MCAST = 0xb,
	171	RX_DRP_L3BCAST = 0xc,
	172	RX_DRP_L3MCAST = 0xd,
	173	RX_STATS_ENUM_LAST,
	174	};
	175
	176	enum tx_stats_reg_offset {
	177	TX_OCTS = 0x0,
	178	TX_UCAST = 0x1,
	179	TX_BCAST = 0x2,
	180	TX_MCAST = 0x3,
	181	TX_DROP = 0x4,
	182	TX_STATS_ENUM_LAST,
	183	};
	184
	185	struct nicvf_hw_stats {
a2dc5ded	186	u64 rx_bytes;
964cb69b	187	u64 rx_frames;
a2dc5ded SG	188	u64 rx_ucast_frames;
	189	u64 rx_bcast_frames;
	190	u64 rx_mcast_frames;
964cb69b	191	u64 rx_drops;
4863dea3 SG	192	u64 rx_drop_red;
	193	u64 rx_drop_red_bytes;
	194	u64 rx_drop_overrun;
	195	u64 rx_drop_overrun_bytes;
	196	u64 rx_drop_bcast;
	197	u64 rx_drop_mcast;
	198	u64 rx_drop_l3_bcast;
	199	u64 rx_drop_l3_mcast;
964cb69b SG	200	u64 rx_fcs_errors;
	201	u64 rx_l2_errors;
	202
	203	u64 tx_bytes;
	204	u64 tx_frames;
	205	u64 tx_ucast_frames;
	206	u64 tx_bcast_frames;
	207	u64 tx_mcast_frames;
	208	u64 tx_drops;
	209	};
	210
	211	struct nicvf_drv_stats {
	212	/* CQE Rx errs */
a2dc5ded SG	213	u64 rx_bgx_truncated_pkts;
	214	u64 rx_jabber_errs;
	215	u64 rx_fcs_errs;
	216	u64 rx_bgx_errs;
	217	u64 rx_prel2_errs;
	218	u64 rx_l2_hdr_malformed;
	219	u64 rx_oversize;
	220	u64 rx_undersize;
	221	u64 rx_l2_len_mismatch;
	222	u64 rx_l2_pclp;
	223	u64 rx_ip_ver_errs;
	224	u64 rx_ip_csum_errs;
	225	u64 rx_ip_hdr_malformed;
	226	u64 rx_ip_payload_malformed;
	227	u64 rx_ip_ttl_errs;
	228	u64 rx_l3_pclp;
	229	u64 rx_l4_malformed;
	230	u64 rx_l4_csum_errs;
	231	u64 rx_udp_len_errs;
	232	u64 rx_l4_port_errs;
	233	u64 rx_tcp_flag_errs;
	234	u64 rx_tcp_offset_errs;
	235	u64 rx_l4_pclp;
	236	u64 rx_truncated_pkts;
	237
964cb69b SG	238	/* CQE Tx errs */
	239	u64 tx_desc_fault;
	240	u64 tx_hdr_cons_err;
	241	u64 tx_subdesc_err;
	242	u64 tx_max_size_exceeded;
	243	u64 tx_imm_size_oflow;
	244	u64 tx_data_seq_err;
	245	u64 tx_mem_seq_err;
	246	u64 tx_lock_viol;
	247	u64 tx_data_fault;
	248	u64 tx_tstmp_conflict;
	249	u64 tx_tstmp_timeout;
	250	u64 tx_mem_fault;
	251	u64 tx_csum_overlap;
	252	u64 tx_csum_overflow;
	253
	254	/* driver debug stats */
4863dea3	255	u64 tx_tso;
a05d4845	256	u64 tx_timeout;
74840b83 SG	257	u64 txq_stop;
74840b83 SG	258	u64 txq_wake;
964cb69b	259
5836b442 SG	260	u64 rcv_buffer_alloc_failures;
	261	u64 page_alloc;
	262
964cb69b	263	struct u64_stats_sync syncp;
4863dea3 SG	264	};
4863dea3 SG	265
4a875509 SG	266	struct cavium_ptp;
4a875509 SG	267
1b6d55f2	268	struct xcast_addr_list {
1b6d55f2	269	int count;
9b5c4dfb	270	u64 mc[];
1b6d55f2 VL	271	};
	272
	273	struct nicvf_work {
	274	struct delayed_work work;
	275	u8 mode;
	276	struct xcast_addr_list *mc;
	277	};
	278
4863dea3	279	struct nicvf {
92dc8769	280	struct nicvf *pnicvf;
4863dea3 SG	281	struct net_device *netdev;
4863dea3 SG	282	struct pci_dev *pdev;
1d368790	283	void __iomem *reg_base;
05c773f5	284	struct bpf_prog *xdp_prog;
a5c3d498	285	#define MAX_QUEUES_PER_QSET 8
1d368790	286	struct queue_set *qs;
83abb7d7	287	void *iommu_domain;
4863dea3	288	u8 vf_id;
1d368790 SG	289	u8 sqs_id;
1d368790 SG	290	bool sqs_mode;
40fb5f8a	291	bool hw_tso;
7ceb8a13	292	bool t88;
1d368790 SG	293
	294	/* Receive buffer alloc */
	295	u32 rb_page_offset;
	296	u16 rb_pageref;
	297	bool rb_alloc_fail;
	298	bool rb_work_scheduled;
	299	struct page *rb_page;
	300	struct delayed_work rbdr_work;
	301	struct tasklet_struct rbdr_task;
	302
	303	/* Secondary Qset */
	304	u8 sqs_count;
92dc8769 SG	305	#define MAX_SQS_PER_VF_SINGLE_NODE 5
92dc8769 SG	306	#define MAX_SQS_PER_VF 11
92dc8769	307	struct nicvf *snicvf[MAX_SQS_PER_VF];
1d368790 SG	308
1d368790 SG	309	/* Queue count */
92dc8769 SG	310	u8 rx_queues;
92dc8769 SG	311	u8 tx_queues;
05c773f5	312	u8 xdp_tx_queues;
92dc8769	313	u8 max_queues;
1d368790 SG	314
	315	u8 node;
	316	u8 cpi_alg;
4863dea3	317	bool link_up;
1cc70259	318	u8 mac_type;
4863dea3 SG	319	u8 duplex;
4863dea3 SG	320	u32 speed;
1d368790 SG	321	bool tns_mode;
1d368790 SG	322	bool loopback_supported;
4863dea3	323	struct nicvf_rss_info rss_info;
430da208	324	struct nicvf_pfc pfc;
1d368790 SG	325	struct tasklet_struct qs_err_task;
1d368790 SG	326	struct work_struct reset_task;
1b6d55f2	327	struct nicvf_work rx_mode_work;
1d368790	328
4a875509 SG	329	/* PTP timestamp */
	330	struct cavium_ptp *ptp_clock;
	331	/* Inbound timestamping is on */
	332	bool hw_rx_tstamp;
	333	/* When the packet that requires timestamping is sent, hardware inserts
	334	* two entries to the completion queue. First is the regular
	335	* CQE_TYPE_SEND entry that signals that the packet was sent.
	336	* The second is CQE_TYPE_SEND_PTP that contains the actual timestamp
	337	* for that packet.
	338	* `ptp_skb` is initialized in the handler for the CQE_TYPE_SEND
	339	* entry and is used and zeroed in the handler for the CQE_TYPE_SEND_PTP
	340	* entry.
	341	* So `ptp_skb` is used to hold the pointer to the packet between
	342	* the calls to CQE_TYPE_SEND and CQE_TYPE_SEND_PTP handlers.
	343	*/
	344	struct sk_buff *ptp_skb;
	345	/* `tx_ptp_skbs` is set when the hardware is sending a packet that
	346	* requires timestamping. Cavium hardware can not process more than one
	347	* such packet at once so this is set each time the driver submits
	348	* a packet that requires timestamping to the send queue and clears
	349	* each time it receives the entry on the completion queue saying
	350	* that such packet was sent.
	351	* So `tx_ptp_skbs` prevents driver from submitting more than one
	352	* packet that requires timestamping to the hardware for transmitting.
	353	*/
	354	atomic_t tx_ptp_skbs;
	355
4863dea3 SG	356	/* Interrupt coalescing settings */
4863dea3 SG	357	u32 cq_coalesce_usecs;
4863dea3	358	u32 msg_enable;
1d368790 SG	359
1d368790 SG	360	/* Stats */
a2dc5ded	361	struct nicvf_hw_stats hw_stats;
964cb69b	362	struct nicvf_drv_stats __percpu *drv_stats;
4863dea3	363	struct bgx_stats bgx_stats;
4863dea3	364
05c773f5 SG	365	/* Napi */
	366	struct nicvf_cq_poll *napi[8];
	367
4863dea3	368	/* MSI-X */
4863dea3	369	u8 num_vec;
b4e28c1f	370	char irq_name[NIC_VF_MSIX_VECTORS][IFNAMSIZ + 15];
4863dea3	371	bool irq_allocated[NIC_VF_MSIX_VECTORS];
fb4b7d98	372	cpumask_var_t affinity_mask[NIC_VF_MSIX_VECTORS];
4863dea3	373
6051cba7	374	/* VF <-> PF mailbox communication */
4863dea3 SG	375	bool pf_acked;
4863dea3 SG	376	bool pf_nacked;
bd049a90	377	bool set_mac_pending;
4863dea3 SG	378	} ____cacheline_aligned_in_smp;
	379
	380	/* PF <--> VF Mailbox communication
	381	* Eight 64bit registers are shared between PF and VF.
	382	* Separate set for each VF.
	383	* Writing '1' into last register mbx7 means end of message.
	384	*/
	385
	386	/* PF <--> VF mailbox communication */
	387	#define NIC_PF_VF_MAILBOX_SIZE 2
	388	#define NIC_MBOX_MSG_TIMEOUT 2000 /* ms */
	389
	390	/* Mailbox message types */
	391	#define NIC_MBOX_MSG_READY 0x01 /* Is PF ready to rcv msgs */
	392	#define NIC_MBOX_MSG_ACK 0x02 /* ACK the message received */
	393	#define NIC_MBOX_MSG_NACK 0x03 /* NACK the message received */
	394	#define NIC_MBOX_MSG_QS_CFG 0x04 /* Configure Qset */
	395	#define NIC_MBOX_MSG_RQ_CFG 0x05 /* Configure receive queue */
	396	#define NIC_MBOX_MSG_SQ_CFG 0x06 /* Configure Send queue */
	397	#define NIC_MBOX_MSG_RQ_DROP_CFG 0x07 /* Configure receive queue */
	398	#define NIC_MBOX_MSG_SET_MAC 0x08 /* Add MAC ID to DMAC filter */
	399	#define NIC_MBOX_MSG_SET_MAX_FRS 0x09 /* Set max frame size */
	400	#define NIC_MBOX_MSG_CPI_CFG 0x0A /* Config CPI, RSSI */
	401	#define NIC_MBOX_MSG_RSS_SIZE 0x0B /* Get RSS indir_tbl size */
	402	#define NIC_MBOX_MSG_RSS_CFG 0x0C /* Config RSS table */
	403	#define NIC_MBOX_MSG_RSS_CFG_CONT 0x0D /* RSS config continuation */
	404	#define NIC_MBOX_MSG_RQ_BP_CFG 0x0E /* RQ backpressure config */
	405	#define NIC_MBOX_MSG_RQ_SW_SYNC 0x0F /* Flush inflight pkts to RQ */
	406	#define NIC_MBOX_MSG_BGX_STATS 0x10 /* Get stats from BGX */
	407	#define NIC_MBOX_MSG_BGX_LINK_CHANGE 0x11 /* BGX:LMAC link status */
92dc8769 SG	408	#define NIC_MBOX_MSG_ALLOC_SQS 0x12 /* Allocate secondary Qset */
	409	#define NIC_MBOX_MSG_NICVF_PTR 0x13 /* Send nicvf ptr to PF */
	410	#define NIC_MBOX_MSG_PNICVF_PTR 0x14 /* Get primary qset nicvf ptr */
	411	#define NIC_MBOX_MSG_SNICVF_PTR 0x15 /* Send sqet nicvf ptr to PVF */
d77a2384	412	#define NIC_MBOX_MSG_LOOPBACK 0x16 /* Set interface in loopback */
3458c40d	413	#define NIC_MBOX_MSG_RESET_STAT_COUNTER 0x17 /* Reset statistics counters */
430da208	414	#define NIC_MBOX_MSG_PFC 0x18 /* Pause frame control */
4a875509	415	#define NIC_MBOX_MSG_PTP_CFG 0x19 /* HW packet timestamp */
92dc8769 SG	416	#define NIC_MBOX_MSG_CFG_DONE 0xF0 /* VF configuration done */
92dc8769 SG	417	#define NIC_MBOX_MSG_SHUTDOWN 0xF1 /* VF is being shutdown */
0b849f58 VL	418	#define NIC_MBOX_MSG_RESET_XCAST 0xF2 /* Reset DCAM filtering mode */
	419	#define NIC_MBOX_MSG_ADD_MCAST 0xF3 /* Add MAC to DCAM filters */
	420	#define NIC_MBOX_MSG_SET_XCAST 0xF4 /* Set MCAST/BCAST RX mode */
4863dea3 SG	421
	422	struct nic_cfg_msg {
	423	u8 msg;
	424	u8 vf_id;
4863dea3	425	u8 node_id;
92dc8769 SG	426	u8 tns_mode:1;
92dc8769 SG	427	u8 sqs_mode:1;
d77a2384	428	u8 loopback_supported:1;
e610cb32	429	u8 mac_addr[ETH_ALEN];
4863dea3 SG	430	};
	431
	432	/* Qset configuration */
	433	struct qs_cfg_msg {
	434	u8 msg;
	435	u8 num;
92dc8769	436	u8 sqs_count;
4863dea3 SG	437	u64 cfg;
	438	};
	439
	440	/* Receive queue configuration */
	441	struct rq_cfg_msg {
	442	u8 msg;
	443	u8 qs_num;
	444	u8 rq_num;
	445	u64 cfg;
	446	};
	447
	448	/* Send queue configuration */
	449	struct sq_cfg_msg {
	450	u8 msg;
	451	u8 qs_num;
	452	u8 sq_num;
92dc8769	453	bool sqs_mode;
4863dea3 SG	454	u64 cfg;
	455	};
	456
	457	/* Set VF's MAC address */
	458	struct set_mac_msg {
	459	u8 msg;
	460	u8 vf_id;
e610cb32	461	u8 mac_addr[ETH_ALEN];
4863dea3 SG	462	};
	463
	464	/* Set Maximum frame size */
	465	struct set_frs_msg {
	466	u8 msg;
	467	u8 vf_id;
	468	u16 max_frs;
	469	};
	470
	471	/* Set CPI algorithm type */
	472	struct cpi_cfg_msg {
	473	u8 msg;
	474	u8 vf_id;
	475	u8 rq_cnt;
	476	u8 cpi_alg;
	477	};
	478
	479	/* Get RSS table size */
	480	struct rss_sz_msg {
	481	u8 msg;
	482	u8 vf_id;
	483	u16 ind_tbl_size;
	484	};
	485
	486	/* Set RSS configuration */
	487	struct rss_cfg_msg {
	488	u8 msg;
	489	u8 vf_id;
	490	u8 hash_bits;
	491	u8 tbl_len;
	492	u8 tbl_offset;
	493	#define RSS_IND_TBL_LEN_PER_MBX_MSG 8
	494	u8 ind_tbl[RSS_IND_TBL_LEN_PER_MBX_MSG];
	495	};
	496
	497	struct bgx_stats_msg {
	498	u8 msg;
	499	u8 vf_id;
	500	u8 rx;
	501	u8 idx;
	502	u64 stats;
	503	};
	504
	505	/* Physical interface link status */
	506	struct bgx_link_status {
	507	u8 msg;
1cc70259	508	u8 mac_type;
4863dea3 SG	509	u8 link_up;
	510	u8 duplex;
	511	u32 speed;
	512	};
	513
92dc8769 SG	514	/* Get Extra Qset IDs */
	515	struct sqs_alloc {
	516	u8 msg;
	517	u8 vf_id;
	518	u8 qs_count;
	519	};
	520
	521	struct nicvf_ptr {
	522	u8 msg;
	523	u8 vf_id;
	524	bool sqs_mode;
	525	u8 sqs_id;
	526	u64 nicvf;
	527	};
	528
d77a2384 SG	529	/* Set interface in loopback mode */
	530	struct set_loopback {
	531	u8 msg;
	532	u8 vf_id;
	533	bool enable;
	534	};
	535
3458c40d JJ	536	/* Reset statistics counters */
	537	struct reset_stat_cfg {
	538	u8 msg;
	539	/* Bitmap to select NIC_PF_VNIC(vf_id)_RX_STAT(0..13) */
	540	u16 rx_stat_mask;
	541	/* Bitmap to select NIC_PF_VNIC(vf_id)_TX_STAT(0..4) */
	542	u8 tx_stat_mask;
	543	/* Bitmap to select NIC_PF_QS(0..127)_RQ(0..7)_STAT(0..1)
	544	* bit14, bit15 NIC_PF_QS(vf_id)_RQ7_STAT(0..1)
	545	* bit12, bit13 NIC_PF_QS(vf_id)_RQ6_STAT(0..1)
	546	* ..
	547	* bit2, bit3 NIC_PF_QS(vf_id)_RQ1_STAT(0..1)
	548	* bit0, bit1 NIC_PF_QS(vf_id)_RQ0_STAT(0..1)
	549	*/
	550	u16 rq_stat_mask;
	551	/* Bitmap to select NIC_PF_QS(0..127)_SQ(0..7)_STAT(0..1)
	552	* bit14, bit15 NIC_PF_QS(vf_id)_SQ7_STAT(0..1)
	553	* bit12, bit13 NIC_PF_QS(vf_id)_SQ6_STAT(0..1)
	554	* ..
	555	* bit2, bit3 NIC_PF_QS(vf_id)_SQ1_STAT(0..1)
	556	* bit0, bit1 NIC_PF_QS(vf_id)_SQ0_STAT(0..1)
	557	*/
	558	u16 sq_stat_mask;
	559	};
	560
430da208 SG	561	struct pfc {
	562	u8 msg;
	563	u8 get; /* Get or set PFC settings */
	564	u8 autoneg;
	565	u8 fc_rx;
	566	u8 fc_tx;
	567	};
	568
4a875509 SG	569	struct set_ptp {
	570	u8 msg;
	571	bool enable;
	572	};
	573
0b849f58 VL	574	struct xcast {
	575	u8 msg;
	576	union {
	577	u8 mode;
	578	u64 mac;
	579	} data;
	580	};
	581
4863dea3 SG	582	/* 128 bit shared memory between PF and each VF */
	583	union nic_mbx {
	584	struct { u8 msg; } msg;
	585	struct nic_cfg_msg nic_cfg;
	586	struct qs_cfg_msg qs;
	587	struct rq_cfg_msg rq;
	588	struct sq_cfg_msg sq;
	589	struct set_mac_msg mac;
	590	struct set_frs_msg frs;
	591	struct cpi_cfg_msg cpi_cfg;
	592	struct rss_sz_msg rss_size;
	593	struct rss_cfg_msg rss_cfg;
	594	struct bgx_stats_msg bgx_stats;
	595	struct bgx_link_status link_status;
92dc8769 SG	596	struct sqs_alloc sqs_alloc;
92dc8769 SG	597	struct nicvf_ptr nicvf;
d77a2384	598	struct set_loopback lbk;
3458c40d	599	struct reset_stat_cfg reset_stat;
430da208	600	struct pfc pfc;
4a875509	601	struct set_ptp ptp;
0b849f58	602	struct xcast xcast;
4863dea3 SG	603	};
4863dea3 SG	604
d768b678 RR	605	#define NIC_NODE_ID_MASK 0x03
	606	#define NIC_NODE_ID_SHIFT 44
	607
	608	static inline int nic_get_node_id(struct pci_dev *pdev)
	609	{
	610	u64 addr = pci_resource_start(pdev, PCI_CFG_REG_BAR_NUM);
	611	return ((addr >> NIC_NODE_ID_SHIFT) & NIC_NODE_ID_MASK);
	612	}
	613
40fb5f8a SG	614	static inline bool pass1_silicon(struct pci_dev *pdev)
40fb5f8a SG	615	{
02a72bd8 SG	616	return (pdev->revision < 8) &&
	617	(pdev->subsystem_device == PCI_SUBSYS_DEVID_88XX_NIC_PF);
	618	}
	619
	620	static inline bool pass2_silicon(struct pci_dev *pdev)
	621	{
	622	return (pdev->revision >= 8) &&
	623	(pdev->subsystem_device == PCI_SUBSYS_DEVID_88XX_NIC_PF);
40fb5f8a SG	624	}
40fb5f8a SG	625
4863dea3 SG	626	int nicvf_set_real_num_queues(struct net_device *netdev,
	627	int tx_queues, int rx_queues);
	628	int nicvf_open(struct net_device *netdev);
	629	int nicvf_stop(struct net_device *netdev);
	630	int nicvf_send_msg_to_pf(struct nicvf vf, union nic_mbx mbx);
4863dea3 SG	631	void nicvf_config_rss(struct nicvf *nic);
4863dea3 SG	632	void nicvf_set_rss_key(struct nicvf *nic);
4863dea3 SG	633	void nicvf_set_ethtool_ops(struct net_device *netdev);
	634	void nicvf_update_stats(struct nicvf *nic);
	635	void nicvf_update_lmac_stats(struct nicvf *nic);
	636
	637	#endif /* NIC_H */