drivers/net/ethernet/intel/ice/ice.h - linux - Git at Google

 /* SPDX-License-Identifier: GPL-2.0 */
 /* Copyright (c) 2018, Intel Corporation. */

 #ifndef _ICE_H_
 #define _ICE_H_

 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/netdevice.h>
 #include <linux/compiler.h>
 #include <linux/etherdevice.h>
 #include <linux/skbuff.h>
 #include <linux/cpumask.h>
 #include <linux/rtnetlink.h>
 #include <linux/if_vlan.h>
 #include <linux/dma-mapping.h>
 #include <linux/pci.h>
 #include <linux/workqueue.h>
 #include <linux/aer.h>
 #include <linux/interrupt.h>
 #include <linux/ethtool.h>
 #include <linux/timer.h>
 #include <linux/delay.h>
 #include <linux/bitmap.h>
 #include <linux/log2.h>
 #include <linux/ip.h>
 #include <linux/sctp.h>
 #include <linux/ipv6.h>
 #include <linux/if_bridge.h>
 #include <linux/avf/virtchnl.h>
 #include <net/ipv6.h>
 #include "ice_devids.h"
 #include "ice_type.h"
 #include "ice_txrx.h"
 #include "ice_switch.h"
 #include "ice_common.h"
 #include "ice_sched.h"
 #include "ice_virtchnl_pf.h"
 #include "ice_sriov.h"

 extern const char ice_drv_ver[];
 #define ICE_BAR0		0
 #define ICE_DFLT_NUM_DESC	128
 #define ICE_REQ_DESC_MULTIPLE	32
 #define ICE_MIN_NUM_DESC	ICE_REQ_DESC_MULTIPLE
 #define ICE_MAX_NUM_DESC	8160
 #define ICE_DFLT_TRAFFIC_CLASS	BIT(0)
 #define ICE_INT_NAME_STR_LEN	(IFNAMSIZ + 16)
 #define ICE_ETHTOOL_FWVER_LEN	32
 #define ICE_AQ_LEN		64
 #define ICE_MBXQ_LEN		64
 #define ICE_MIN_MSIX		2
 #define ICE_NO_VSI		0xffff
 #define ICE_MAX_TXQS		2048
 #define ICE_MAX_RXQS		2048
 #define ICE_VSI_MAP_CONTIG	0
 #define ICE_VSI_MAP_SCATTER	1
 #define ICE_MAX_SCATTER_TXQS	16
 #define ICE_MAX_SCATTER_RXQS	16
 #define ICE_Q_WAIT_RETRY_LIMIT	10
 #define ICE_Q_WAIT_MAX_RETRY	(5 * ICE_Q_WAIT_RETRY_LIMIT)
 #define ICE_MAX_LG_RSS_QS	256
 #define ICE_MAX_SMALL_RSS_QS	8
 #define ICE_RES_VALID_BIT	0x8000
 #define ICE_RES_MISC_VEC_ID	(ICE_RES_VALID_BIT - 1)
 #define ICE_INVAL_Q_INDEX	0xffff
 #define ICE_INVAL_VFID		256
 #define ICE_MAX_VF_COUNT	256
 #define ICE_MAX_QS_PER_VF		256
 #define ICE_MIN_QS_PER_VF		1
 #define ICE_DFLT_QS_PER_VF		4
 #define ICE_MAX_BASE_QS_PER_VF		16
 #define ICE_MAX_INTR_PER_VF		65
 #define ICE_MIN_INTR_PER_VF		(ICE_MIN_QS_PER_VF + 1)
 #define ICE_DFLT_INTR_PER_VF		(ICE_DFLT_QS_PER_VF + 1)

 #define ICE_MAX_RESET_WAIT		20

 #define ICE_VSIQF_HKEY_ARRAY_SIZE	((VSIQF_HKEY_MAX_INDEX + 1) *	4)

 #define ICE_DFLT_NETIF_M (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK)

 #define ICE_MAX_MTU	(ICE_AQ_SET_MAC_FRAME_SIZE_MAX - \
 			(ETH_HLEN + ETH_FCS_LEN + (VLAN_HLEN * 2)))

 #define ICE_UP_TABLE_TRANSLATE(val, i) \
 		(((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \
 		  ICE_AQ_VSI_UP_TABLE_UP##i##_M)

 #define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i]))
 #define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i]))
 #define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i]))

 /* Macro for each VSI in a PF */
 #define ice_for_each_vsi(pf, i) \
 	for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++)

 /* Macros for each Tx/Rx ring in a VSI */
 #define ice_for_each_txq(vsi, i) \
 	for ((i) = 0; (i) < (vsi)->num_txq; (i)++)

 #define ice_for_each_rxq(vsi, i) \
 	for ((i) = 0; (i) < (vsi)->num_rxq; (i)++)

 /* Macros for each allocated Tx/Rx ring whether used or not in a VSI */
 #define ice_for_each_alloc_txq(vsi, i) \
 	for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++)

 #define ice_for_each_alloc_rxq(vsi, i) \
 	for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++)

 #define ice_for_each_q_vector(vsi, i) \
 	for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++)

 struct ice_tc_info {
 	u16 qoffset;
 	u16 qcount_tx;
 	u16 qcount_rx;
 	u8 netdev_tc;
 };

 struct ice_tc_cfg {
 	u8 numtc; /* Total number of enabled TCs */
 	u8 ena_tc; /* TX map */
 	struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS];
 };

 struct ice_res_tracker {
 	u16 num_entries;
 	u16 search_hint;
 	u16 list[1];
 };

 struct ice_qs_cfg {
 	struct mutex *qs_mutex;  /* will be assgined to &pf->avail_q_mutex */
 	unsigned long *pf_map;
 	unsigned long pf_map_size;
 	unsigned int q_count;
 	unsigned int scatter_count;
 	u16 *vsi_map;
 	u16 vsi_map_offset;
 	u8 mapping_mode;
 };

 struct ice_sw {
 	struct ice_pf *pf;
 	u16 sw_id;		/* switch ID for this switch */
 	u16 bridge_mode;	/* VEB/VEPA/Port Virtualizer */
 };

 enum ice_state {
 	__ICE_DOWN,
 	__ICE_NEEDS_RESTART,
 	__ICE_PREPARED_FOR_RESET,	/* set by driver when prepared */
 	__ICE_RESET_OICR_RECV,		/* set by driver after rcv reset OICR */
 	__ICE_PFR_REQ,			/* set by driver and peers */
 	__ICE_CORER_REQ,		/* set by driver and peers */
 	__ICE_GLOBR_REQ,		/* set by driver and peers */
 	__ICE_CORER_RECV,		/* set by OICR handler */
 	__ICE_GLOBR_RECV,		/* set by OICR handler */
 	__ICE_EMPR_RECV,		/* set by OICR handler */
 	__ICE_SUSPENDED,		/* set on module remove path */
 	__ICE_RESET_FAILED,		/* set by reset/rebuild */
 	/* When checking for the PF to be in a nominal operating state, the
 	 * bits that are grouped at the beginning of the list need to be
 	 * checked. Bits occurring before __ICE_STATE_NOMINAL_CHECK_BITS will
 	 * be checked. If you need to add a bit into consideration for nominal
 	 * operating state, it must be added before
 	 * __ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position
 	 * without appropriate consideration.
 	 */
 	__ICE_STATE_NOMINAL_CHECK_BITS,
 	__ICE_ADMINQ_EVENT_PENDING,
 	__ICE_MAILBOXQ_EVENT_PENDING,
 	__ICE_MDD_EVENT_PENDING,
 	__ICE_VFLR_EVENT_PENDING,
 	__ICE_FLTR_OVERFLOW_PROMISC,
 	__ICE_VF_DIS,
 	__ICE_CFG_BUSY,
 	__ICE_SERVICE_SCHED,
 	__ICE_SERVICE_DIS,
 	__ICE_STATE_NBITS		/* must be last */
 };

 enum ice_vsi_flags {
 	ICE_VSI_FLAG_UMAC_FLTR_CHANGED,
 	ICE_VSI_FLAG_MMAC_FLTR_CHANGED,
 	ICE_VSI_FLAG_VLAN_FLTR_CHANGED,
 	ICE_VSI_FLAG_PROMISC_CHANGED,
 	ICE_VSI_FLAG_NBITS		/* must be last */
 };

 /* struct that defines a VSI, associated with a dev */
 struct ice_vsi {
 	struct net_device *netdev;
 	struct ice_sw *vsw;		 /* switch this VSI is on */
 	struct ice_pf *back;		 /* back pointer to PF */
 	struct ice_port_info *port_info; /* back pointer to port_info */
 	struct ice_ring **rx_rings;	 /* Rx ring array */
 	struct ice_ring **tx_rings;	 /* Tx ring array */
 	struct ice_q_vector **q_vectors; /* q_vector array */

 	irqreturn_t (*irq_handler)(int irq, void *data);

 	u64 tx_linearize;
 	DECLARE_BITMAP(state, __ICE_STATE_NBITS);
 	DECLARE_BITMAP(flags, ICE_VSI_FLAG_NBITS);
 	unsigned int current_netdev_flags;
 	u32 tx_restart;
 	u32 tx_busy;
 	u32 rx_buf_failed;
 	u32 rx_page_failed;
 	int num_q_vectors;
 	int sw_base_vector;		/* Irq base for OS reserved vectors */
 	int hw_base_vector;		/* HW (absolute) index of a vector */
 	enum ice_vsi_type type;
 	u16 vsi_num;			/* HW (absolute) index of this VSI */
 	u16 idx;			/* software index in pf->vsi[] */

 	/* Interrupt thresholds */
 	u16 work_lmt;

 	s16 vf_id;			/* VF ID for SR-IOV VSIs */

 	/* RSS config */
 	u16 rss_table_size;	/* HW RSS table size */
 	u16 rss_size;		/* Allocated RSS queues */
 	u8 *rss_hkey_user;	/* User configured hash keys */
 	u8 *rss_lut_user;	/* User configured lookup table entries */
 	u8 rss_lut_type;	/* used to configure Get/Set RSS LUT AQ call */

 	u16 max_frame;
 	u16 rx_buf_len;

 	struct ice_aqc_vsi_props info;	 /* VSI properties */

 	/* VSI stats */
 	struct rtnl_link_stats64 net_stats;
 	struct ice_eth_stats eth_stats;
 	struct ice_eth_stats eth_stats_prev;

 	struct list_head tmp_sync_list;		/* MAC filters to be synced */
 	struct list_head tmp_unsync_list;	/* MAC filters to be unsynced */

 	u8 irqs_ready;
 	u8 current_isup;		 /* Sync 'link up' logging */
 	u8 stat_offsets_loaded;

 	/* queue information */
 	u8 tx_mapping_mode;		 /* ICE_MAP_MODE_[CONTIG|SCATTER] */
 	u8 rx_mapping_mode;		 /* ICE_MAP_MODE_[CONTIG|SCATTER] */
 	u16 txq_map[ICE_MAX_TXQS];	 /* index in pf->avail_txqs */
 	u16 rxq_map[ICE_MAX_RXQS];	 /* index in pf->avail_rxqs */
 	u16 alloc_txq;			 /* Allocated Tx queues */
 	u16 num_txq;			 /* Used Tx queues */
 	u16 alloc_rxq;			 /* Allocated Rx queues */
 	u16 num_rxq;			 /* Used Rx queues */
 	u16 num_desc;
 	struct ice_tc_cfg tc_cfg;
 } ____cacheline_internodealigned_in_smp;

 /* struct that defines an interrupt vector */
 struct ice_q_vector {
 	struct ice_vsi *vsi;
 	cpumask_t affinity_mask;
 	struct napi_struct napi;
 	struct ice_ring_container rx;
 	struct ice_ring_container tx;
 	struct irq_affinity_notify affinity_notify;
 	u16 v_idx;			/* index in the vsi->q_vector array. */
 	u8 num_ring_tx;			/* total number of Tx rings in vector */
 	u8 num_ring_rx;			/* total number of Rx rings in vector */
 	char name[ICE_INT_NAME_STR_LEN];
 	/* in usecs, need to use ice_intrl_to_usecs_reg() before writing this
 	 * value to the device
 	 */
 	u8 intrl;
 } ____cacheline_internodealigned_in_smp;

 enum ice_pf_flags {
 	ICE_FLAG_MSIX_ENA,
 	ICE_FLAG_FLTR_SYNC,
 	ICE_FLAG_RSS_ENA,
 	ICE_FLAG_SRIOV_ENA,
 	ICE_FLAG_SRIOV_CAPABLE,
 	ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA,
 	ICE_PF_FLAGS_NBITS		/* must be last */
 };

 struct ice_pf {
 	struct pci_dev *pdev;

 	/* OS reserved IRQ details */
 	struct msix_entry *msix_entries;
 	struct ice_res_tracker *sw_irq_tracker;

 	/* HW reserved Interrupts for this PF */
 	struct ice_res_tracker *hw_irq_tracker;

 	struct ice_vsi **vsi;		/* VSIs created by the driver */
 	struct ice_sw *first_sw;	/* first switch created by firmware */
 	/* Virtchnl/SR-IOV config info */
 	struct ice_vf *vf;
 	int num_alloc_vfs;		/* actual number of VFs allocated */
 	u16 num_vfs_supported;		/* num VFs supported for this PF */
 	u16 num_vf_qps;			/* num queue pairs per VF */
 	u16 num_vf_msix;		/* num vectors per VF */
 	DECLARE_BITMAP(state, __ICE_STATE_NBITS);
 	DECLARE_BITMAP(avail_txqs, ICE_MAX_TXQS);
 	DECLARE_BITMAP(avail_rxqs, ICE_MAX_RXQS);
 	DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS);
 	unsigned long serv_tmr_period;
 	unsigned long serv_tmr_prev;
 	struct timer_list serv_tmr;
 	struct work_struct serv_task;
 	struct mutex avail_q_mutex;	/* protects access to avail_[rx|tx]qs */
 	struct mutex sw_mutex;		/* lock for protecting VSI alloc flow */
 	u32 msg_enable;
 	u32 hw_csum_rx_error;
 	u32 sw_oicr_idx;	/* Other interrupt cause SW vector index */
 	u32 num_avail_sw_msix;	/* remaining MSIX SW vectors left unclaimed */
 	u32 hw_oicr_idx;	/* Other interrupt cause vector HW index */
 	u32 num_avail_hw_msix;	/* remaining HW MSIX vectors left unclaimed */
 	u32 num_lan_msix;	/* Total MSIX vectors for base driver */
 	u16 num_lan_tx;		/* num lan Tx queues setup */
 	u16 num_lan_rx;		/* num lan Rx queues setup */
 	u16 q_left_tx;		/* remaining num Tx queues left unclaimed */
 	u16 q_left_rx;		/* remaining num Rx queues left unclaimed */
 	u16 next_vsi;		/* Next free slot in pf->vsi[] - 0-based! */
 	u16 num_alloc_vsi;
 	u16 corer_count;	/* Core reset count */
 	u16 globr_count;	/* Global reset count */
 	u16 empr_count;		/* EMP reset count */
 	u16 pfr_count;		/* PF reset count */

 	struct ice_hw_port_stats stats;
 	struct ice_hw_port_stats stats_prev;
 	struct ice_hw hw;
 	u8 stat_prev_loaded;	/* has previous stats been loaded */
 	u32 tx_timeout_count;
 	unsigned long tx_timeout_last_recovery;
 	u32 tx_timeout_recovery_level;
 	char int_name[ICE_INT_NAME_STR_LEN];
 };

 struct ice_netdev_priv {
 	struct ice_vsi *vsi;
 };

 /**
  * ice_irq_dynamic_ena - Enable default interrupt generation settings
  * @hw: pointer to hw struct
  * @vsi: pointer to vsi struct, can be NULL
  * @q_vector: pointer to q_vector, can be NULL
  */
 static inline void ice_irq_dynamic_ena(struct ice_hw *hw, struct ice_vsi *vsi,
 				       struct ice_q_vector *q_vector)
 {
 	u32 vector = (vsi && q_vector) ? vsi->hw_base_vector + q_vector->v_idx :
 				((struct ice_pf *)hw->back)->hw_oicr_idx;
 	int itr = ICE_ITR_NONE;
 	u32 val;

 	/* clear the PBA here, as this function is meant to clean out all
 	 * previous interrupts and enable the interrupt
 	 */
 	val = GLINT_DYN_CTL_INTENA_M | GLINT_DYN_CTL_CLEARPBA_M |
 	      (itr << GLINT_DYN_CTL_ITR_INDX_S);
 	if (vsi)
 		if (test_bit(__ICE_DOWN, vsi->state))
 			return;
 	wr32(hw, GLINT_DYN_CTL(vector), val);
 }

 static inline void ice_vsi_set_tc_cfg(struct ice_vsi *vsi)
 {
 	vsi->tc_cfg.ena_tc =  ICE_DFLT_TRAFFIC_CLASS;
 	vsi->tc_cfg.numtc = 1;
 }

 void ice_set_ethtool_ops(struct net_device *netdev);
 int ice_up(struct ice_vsi *vsi);
 int ice_down(struct ice_vsi *vsi);
 int ice_set_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
 int ice_get_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
 void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size);
 void ice_print_link_msg(struct ice_vsi *vsi, bool isup);
 void ice_napi_del(struct ice_vsi *vsi);

 #endif /* _ICE_H_ */
	/* SPDX-License-Identifier: GPL-2.0 */
	/* Copyright (c) 2018, Intel Corporation. */

	#ifndef _ICE_H_
	#define _ICE_H_

	#include <linux/types.h>
	#include <linux/errno.h>
	#include <linux/kernel.h>
	#include <linux/module.h>
	#include <linux/netdevice.h>
	#include <linux/compiler.h>
	#include <linux/etherdevice.h>
	#include <linux/skbuff.h>
	#include <linux/cpumask.h>
	#include <linux/rtnetlink.h>
	#include <linux/if_vlan.h>
	#include <linux/dma-mapping.h>
	#include <linux/pci.h>
	#include <linux/workqueue.h>
	#include <linux/aer.h>
	#include <linux/interrupt.h>
	#include <linux/ethtool.h>
	#include <linux/timer.h>
	#include <linux/delay.h>
	#include <linux/bitmap.h>
	#include <linux/log2.h>
	#include <linux/ip.h>
	#include <linux/sctp.h>
	#include <linux/ipv6.h>
	#include <linux/if_bridge.h>
	#include <linux/avf/virtchnl.h>
	#include <net/ipv6.h>
	#include "ice_devids.h"
	#include "ice_type.h"
	#include "ice_txrx.h"
	#include "ice_switch.h"
	#include "ice_common.h"
	#include "ice_sched.h"
	#include "ice_virtchnl_pf.h"
	#include "ice_sriov.h"

	extern const char ice_drv_ver[];
	#define ICE_BAR0 0
	#define ICE_DFLT_NUM_DESC 128
	#define ICE_REQ_DESC_MULTIPLE 32
	#define ICE_MIN_NUM_DESC ICE_REQ_DESC_MULTIPLE
	#define ICE_MAX_NUM_DESC 8160
	#define ICE_DFLT_TRAFFIC_CLASS BIT(0)
	#define ICE_INT_NAME_STR_LEN (IFNAMSIZ + 16)
	#define ICE_ETHTOOL_FWVER_LEN 32
	#define ICE_AQ_LEN 64
	#define ICE_MBXQ_LEN 64
	#define ICE_MIN_MSIX 2
	#define ICE_NO_VSI 0xffff
	#define ICE_MAX_TXQS 2048
	#define ICE_MAX_RXQS 2048
	#define ICE_VSI_MAP_CONTIG 0
	#define ICE_VSI_MAP_SCATTER 1
	#define ICE_MAX_SCATTER_TXQS 16
	#define ICE_MAX_SCATTER_RXQS 16
	#define ICE_Q_WAIT_RETRY_LIMIT 10
	#define ICE_Q_WAIT_MAX_RETRY (5 * ICE_Q_WAIT_RETRY_LIMIT)
	#define ICE_MAX_LG_RSS_QS 256
	#define ICE_MAX_SMALL_RSS_QS 8
	#define ICE_RES_VALID_BIT 0x8000
	#define ICE_RES_MISC_VEC_ID (ICE_RES_VALID_BIT - 1)
	#define ICE_INVAL_Q_INDEX 0xffff
	#define ICE_INVAL_VFID 256
	#define ICE_MAX_VF_COUNT 256
	#define ICE_MAX_QS_PER_VF 256
	#define ICE_MIN_QS_PER_VF 1
	#define ICE_DFLT_QS_PER_VF 4
	#define ICE_MAX_BASE_QS_PER_VF 16
	#define ICE_MAX_INTR_PER_VF 65
	#define ICE_MIN_INTR_PER_VF (ICE_MIN_QS_PER_VF + 1)
	#define ICE_DFLT_INTR_PER_VF (ICE_DFLT_QS_PER_VF + 1)

	#define ICE_MAX_RESET_WAIT 20

	#define ICE_VSIQF_HKEY_ARRAY_SIZE ((VSIQF_HKEY_MAX_INDEX + 1) * 4)

	#define ICE_DFLT_NETIF_M (NETIF_MSG_DRV \| NETIF_MSG_PROBE \| NETIF_MSG_LINK)

	#define ICE_MAX_MTU (ICE_AQ_SET_MAC_FRAME_SIZE_MAX - \
	(ETH_HLEN + ETH_FCS_LEN + (VLAN_HLEN * 2)))

	#define ICE_UP_TABLE_TRANSLATE(val, i) \
	(((val) << ICE_AQ_VSI_UP_TABLE_UP##i##_S) & \
	ICE_AQ_VSI_UP_TABLE_UP##i##_M)

	#define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i]))
	#define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i]))
	#define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i]))

	/* Macro for each VSI in a PF */
	#define ice_for_each_vsi(pf, i) \
	for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++)

	/* Macros for each Tx/Rx ring in a VSI */
	#define ice_for_each_txq(vsi, i) \
	for ((i) = 0; (i) < (vsi)->num_txq; (i)++)

	#define ice_for_each_rxq(vsi, i) \
	for ((i) = 0; (i) < (vsi)->num_rxq; (i)++)

	/* Macros for each allocated Tx/Rx ring whether used or not in a VSI */
	#define ice_for_each_alloc_txq(vsi, i) \
	for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++)

	#define ice_for_each_alloc_rxq(vsi, i) \
	for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++)

	#define ice_for_each_q_vector(vsi, i) \
	for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++)

	struct ice_tc_info {
	u16 qoffset;
	u16 qcount_tx;
	u16 qcount_rx;
	u8 netdev_tc;
	};

	struct ice_tc_cfg {
	u8 numtc; /* Total number of enabled TCs */
	u8 ena_tc; /* TX map */
	struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS];
	};

	struct ice_res_tracker {
	u16 num_entries;
	u16 search_hint;
	u16 list[1];
	};

	struct ice_qs_cfg {
	struct mutex qs_mutex; / will be assgined to &pf->avail_q_mutex */
	unsigned long *pf_map;
	unsigned long pf_map_size;
	unsigned int q_count;
	unsigned int scatter_count;
	u16 *vsi_map;
	u16 vsi_map_offset;
	u8 mapping_mode;
	};

	struct ice_sw {
	struct ice_pf *pf;
	u16 sw_id; /* switch ID for this switch */
	u16 bridge_mode; /* VEB/VEPA/Port Virtualizer */
	};

	enum ice_state {
	__ICE_DOWN,
	__ICE_NEEDS_RESTART,
	__ICE_PREPARED_FOR_RESET, /* set by driver when prepared */
	__ICE_RESET_OICR_RECV, /* set by driver after rcv reset OICR */
	__ICE_PFR_REQ, /* set by driver and peers */
	__ICE_CORER_REQ, /* set by driver and peers */
	__ICE_GLOBR_REQ, /* set by driver and peers */
	__ICE_CORER_RECV, /* set by OICR handler */
	__ICE_GLOBR_RECV, /* set by OICR handler */
	__ICE_EMPR_RECV, /* set by OICR handler */
	__ICE_SUSPENDED, /* set on module remove path */
	__ICE_RESET_FAILED, /* set by reset/rebuild */
	/* When checking for the PF to be in a nominal operating state, the
	* bits that are grouped at the beginning of the list need to be
	* checked. Bits occurring before __ICE_STATE_NOMINAL_CHECK_BITS will
	* be checked. If you need to add a bit into consideration for nominal
	* operating state, it must be added before
	* __ICE_STATE_NOMINAL_CHECK_BITS. Do not move this entry's position
	* without appropriate consideration.
	*/
	__ICE_STATE_NOMINAL_CHECK_BITS,
	__ICE_ADMINQ_EVENT_PENDING,
	__ICE_MAILBOXQ_EVENT_PENDING,
	__ICE_MDD_EVENT_PENDING,
	__ICE_VFLR_EVENT_PENDING,
	__ICE_FLTR_OVERFLOW_PROMISC,
	__ICE_VF_DIS,
	__ICE_CFG_BUSY,
	__ICE_SERVICE_SCHED,
	__ICE_SERVICE_DIS,
	__ICE_STATE_NBITS /* must be last */
	};

	enum ice_vsi_flags {
	ICE_VSI_FLAG_UMAC_FLTR_CHANGED,
	ICE_VSI_FLAG_MMAC_FLTR_CHANGED,
	ICE_VSI_FLAG_VLAN_FLTR_CHANGED,
	ICE_VSI_FLAG_PROMISC_CHANGED,
	ICE_VSI_FLAG_NBITS /* must be last */
	};

	/* struct that defines a VSI, associated with a dev */
	struct ice_vsi {
	struct net_device *netdev;
	struct ice_sw vsw; / switch this VSI is on */
	struct ice_pf back; / back pointer to PF */
	struct ice_port_info port_info; / back pointer to port_info */
	struct ice_ring *rx_rings; / Rx ring array */
	struct ice_ring *tx_rings; / Tx ring array */
	struct ice_q_vector *q_vectors; / q_vector array */

	irqreturn_t (irq_handler)(int irq, void data);

	u64 tx_linearize;
	DECLARE_BITMAP(state, __ICE_STATE_NBITS);
	DECLARE_BITMAP(flags, ICE_VSI_FLAG_NBITS);
	unsigned int current_netdev_flags;
	u32 tx_restart;
	u32 tx_busy;
	u32 rx_buf_failed;
	u32 rx_page_failed;
	int num_q_vectors;
	int sw_base_vector; /* Irq base for OS reserved vectors */
	int hw_base_vector; /* HW (absolute) index of a vector */
	enum ice_vsi_type type;
	u16 vsi_num; /* HW (absolute) index of this VSI */
	u16 idx; /* software index in pf->vsi[] */

	/* Interrupt thresholds */
	u16 work_lmt;

	s16 vf_id; /* VF ID for SR-IOV VSIs */

	/* RSS config */
	u16 rss_table_size; /* HW RSS table size */
	u16 rss_size; /* Allocated RSS queues */
	u8 rss_hkey_user; / User configured hash keys */
	u8 rss_lut_user; / User configured lookup table entries */
	u8 rss_lut_type; /* used to configure Get/Set RSS LUT AQ call */

	u16 max_frame;
	u16 rx_buf_len;

	struct ice_aqc_vsi_props info; /* VSI properties */

	/* VSI stats */
	struct rtnl_link_stats64 net_stats;
	struct ice_eth_stats eth_stats;
	struct ice_eth_stats eth_stats_prev;

	struct list_head tmp_sync_list; /* MAC filters to be synced */
	struct list_head tmp_unsync_list; /* MAC filters to be unsynced */

	u8 irqs_ready;
	u8 current_isup; /* Sync 'link up' logging */
	u8 stat_offsets_loaded;

	/* queue information */
	u8 tx_mapping_mode; /* ICE_MAP_MODE_[CONTIG\|SCATTER] */
	u8 rx_mapping_mode; /* ICE_MAP_MODE_[CONTIG\|SCATTER] */
	u16 txq_map[ICE_MAX_TXQS]; /* index in pf->avail_txqs */
	u16 rxq_map[ICE_MAX_RXQS]; /* index in pf->avail_rxqs */
	u16 alloc_txq; /* Allocated Tx queues */
	u16 num_txq; /* Used Tx queues */
	u16 alloc_rxq; /* Allocated Rx queues */
	u16 num_rxq; /* Used Rx queues */
	u16 num_desc;
	struct ice_tc_cfg tc_cfg;
	} ____cacheline_internodealigned_in_smp;

	/* struct that defines an interrupt vector */
	struct ice_q_vector {
	struct ice_vsi *vsi;
	cpumask_t affinity_mask;
	struct napi_struct napi;
	struct ice_ring_container rx;
	struct ice_ring_container tx;
	struct irq_affinity_notify affinity_notify;
	u16 v_idx; /* index in the vsi->q_vector array. */
	u8 num_ring_tx; /* total number of Tx rings in vector */
	u8 num_ring_rx; /* total number of Rx rings in vector */
	char name[ICE_INT_NAME_STR_LEN];
	/* in usecs, need to use ice_intrl_to_usecs_reg() before writing this
	* value to the device
	*/
	u8 intrl;
	} ____cacheline_internodealigned_in_smp;

	enum ice_pf_flags {
	ICE_FLAG_MSIX_ENA,
	ICE_FLAG_FLTR_SYNC,
	ICE_FLAG_RSS_ENA,
	ICE_FLAG_SRIOV_ENA,
	ICE_FLAG_SRIOV_CAPABLE,
	ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA,
	ICE_PF_FLAGS_NBITS /* must be last */
	};

	struct ice_pf {
	struct pci_dev *pdev;

	/* OS reserved IRQ details */
	struct msix_entry *msix_entries;
	struct ice_res_tracker *sw_irq_tracker;

	/* HW reserved Interrupts for this PF */
	struct ice_res_tracker *hw_irq_tracker;

	struct ice_vsi *vsi; / VSIs created by the driver */
	struct ice_sw first_sw; / first switch created by firmware */
	/* Virtchnl/SR-IOV config info */
	struct ice_vf *vf;
	int num_alloc_vfs; /* actual number of VFs allocated */
	u16 num_vfs_supported; /* num VFs supported for this PF */
	u16 num_vf_qps; /* num queue pairs per VF */
	u16 num_vf_msix; /* num vectors per VF */
	DECLARE_BITMAP(state, __ICE_STATE_NBITS);
	DECLARE_BITMAP(avail_txqs, ICE_MAX_TXQS);
	DECLARE_BITMAP(avail_rxqs, ICE_MAX_RXQS);
	DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS);
	unsigned long serv_tmr_period;
	unsigned long serv_tmr_prev;
	struct timer_list serv_tmr;
	struct work_struct serv_task;
	struct mutex avail_q_mutex; /* protects access to avail_[rx\|tx]qs */
	struct mutex sw_mutex; /* lock for protecting VSI alloc flow */
	u32 msg_enable;
	u32 hw_csum_rx_error;
	u32 sw_oicr_idx; /* Other interrupt cause SW vector index */
	u32 num_avail_sw_msix; /* remaining MSIX SW vectors left unclaimed */
	u32 hw_oicr_idx; /* Other interrupt cause vector HW index */
	u32 num_avail_hw_msix; /* remaining HW MSIX vectors left unclaimed */
	u32 num_lan_msix; /* Total MSIX vectors for base driver */
	u16 num_lan_tx; /* num lan Tx queues setup */
	u16 num_lan_rx; /* num lan Rx queues setup */
	u16 q_left_tx; /* remaining num Tx queues left unclaimed */
	u16 q_left_rx; /* remaining num Rx queues left unclaimed */
	u16 next_vsi; /* Next free slot in pf->vsi[] - 0-based! */
	u16 num_alloc_vsi;
	u16 corer_count; /* Core reset count */
	u16 globr_count; /* Global reset count */
	u16 empr_count; /* EMP reset count */
	u16 pfr_count; /* PF reset count */

	struct ice_hw_port_stats stats;
	struct ice_hw_port_stats stats_prev;
	struct ice_hw hw;
	u8 stat_prev_loaded; /* has previous stats been loaded */
	u32 tx_timeout_count;
	unsigned long tx_timeout_last_recovery;
	u32 tx_timeout_recovery_level;
	char int_name[ICE_INT_NAME_STR_LEN];
	};

	struct ice_netdev_priv {
	struct ice_vsi *vsi;
	};

	/**
	* ice_irq_dynamic_ena - Enable default interrupt generation settings
	* @hw: pointer to hw struct
	* @vsi: pointer to vsi struct, can be NULL
	* @q_vector: pointer to q_vector, can be NULL
	*/
	static inline void ice_irq_dynamic_ena(struct ice_hw hw, struct ice_vsi vsi,
	struct ice_q_vector *q_vector)
	{
	u32 vector = (vsi && q_vector) ? vsi->hw_base_vector + q_vector->v_idx :
	((struct ice_pf *)hw->back)->hw_oicr_idx;
	int itr = ICE_ITR_NONE;
	u32 val;

	/* clear the PBA here, as this function is meant to clean out all
	* previous interrupts and enable the interrupt
	*/
	val = GLINT_DYN_CTL_INTENA_M \| GLINT_DYN_CTL_CLEARPBA_M \|
	(itr << GLINT_DYN_CTL_ITR_INDX_S);
	if (vsi)
	if (test_bit(__ICE_DOWN, vsi->state))
	return;
	wr32(hw, GLINT_DYN_CTL(vector), val);
	}

	static inline void ice_vsi_set_tc_cfg(struct ice_vsi *vsi)
	{
	vsi->tc_cfg.ena_tc = ICE_DFLT_TRAFFIC_CLASS;
	vsi->tc_cfg.numtc = 1;
	}

	void ice_set_ethtool_ops(struct net_device *netdev);
	int ice_up(struct ice_vsi *vsi);
	int ice_down(struct ice_vsi *vsi);
	int ice_set_rss(struct ice_vsi vsi, u8 seed, u8 *lut, u16 lut_size);
	int ice_get_rss(struct ice_vsi vsi, u8 seed, u8 *lut, u16 lut_size);
	void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size);
	void ice_print_link_msg(struct ice_vsi *vsi, bool isup);
	void ice_napi_del(struct ice_vsi *vsi);

	#endif /* _ICE_H_ */