[kernel.git] /

/* 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/firmware.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/wait.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/pkt_sched.h>
#include <linux/if_bridge.h>
#include <linux/ctype.h>
#include <linux/bpf.h>
#include <linux/btf.h>
#include <linux/auxiliary_bus.h>
#include <linux/avf/virtchnl.h>
#include <linux/cpu_rmap.h>
#include <linux/dim.h>
#include <net/pkt_cls.h>
#include <net/tc_act/tc_mirred.h>
#include <net/tc_act/tc_gact.h>
#include <net/ip.h>
#include <net/devlink.h>
#include <net/ipv6.h>
#include <net/xdp_sock.h>
#include <net/xdp_sock_drv.h>
#include <net/geneve.h>
#include <net/gre.h>
#include <net/udp_tunnel.h>
#include <net/vxlan.h>
#if IS_ENABLED(CONFIG_DCB)
#include <scsi/iscsi_proto.h>
#endif /* CONFIG_DCB */
#include "ice_devids.h"
#include "ice_type.h"
#include "ice_txrx.h"
#include "ice_dcb.h"
#include "ice_switch.h"
#include "ice_common.h"
#include "ice_flow.h"
#include "ice_sched.h"
#include "ice_idc_int.h"
#include "ice_virtchnl_pf.h"
#include "ice_sriov.h"
#include "ice_ptp.h"
#include "ice_fdir.h"
#include "ice_xsk.h"
#include "ice_arfs.h"
#include "ice_repr.h"
#include "ice_eswitch.h"
#include "ice_lag.h"

#define ICE_BAR0                0
#define ICE_REQ_DESC_MULTIPLE   32
#define ICE_MIN_NUM_DESC        64
#define ICE_MAX_NUM_DESC        8160
#define ICE_DFLT_MIN_RX_DESC    512
#define ICE_DFLT_NUM_TX_DESC    256
#define ICE_DFLT_NUM_RX_DESC    2048

#define ICE_DFLT_TRAFFIC_CLASS  BIT(0)
#define ICE_INT_NAME_STR_LEN    (IFNAMSIZ + 16)
#define ICE_AQ_LEN              192
#define ICE_MBXSQ_LEN           64
#define ICE_SBQ_LEN             64
#define ICE_MIN_LAN_TXRX_MSIX   1
#define ICE_MIN_LAN_OICR_MSIX   1
#define ICE_MIN_MSIX            (ICE_MIN_LAN_TXRX_MSIX + ICE_MIN_LAN_OICR_MSIX)
#define ICE_FDIR_MSIX           2
#define ICE_RDMA_NUM_AEQ_MSIX   4
#define ICE_MIN_RDMA_MSIX       2
#define ICE_ESWITCH_MSIX        1
#define ICE_NO_VSI              0xffff
#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_RES_VALID_BIT       0x8000
#define ICE_RES_MISC_VEC_ID     (ICE_RES_VALID_BIT - 1)
#define ICE_RES_RDMA_VEC_ID     (ICE_RES_MISC_VEC_ID - 1)
/* All VF control VSIs share the same IRQ, so assign a unique ID for them */
#define ICE_RES_VF_CTRL_VEC_ID  (ICE_RES_RDMA_VEC_ID - 1)
#define ICE_INVAL_Q_INDEX       0xffff
#define ICE_INVAL_VFID          256

#define ICE_MAX_RXQS_PER_TC             256     /* Used when setting VSI context per TC Rx queues */

#define ICE_CHNL_START_TC               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 - ICE_ETH_PKT_HDR_PAD)

#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]))
#define ICE_TX_FDIRDESC(R, i) (&(((struct ice_fltr_desc *)((R)->desc))[i]))

/* Minimum BW limit is 500 Kbps for any scheduler node */
#define ICE_MIN_BW_LIMIT                500
/* User can specify BW in either Kbit/Mbit/Gbit and OS converts it in bytes.
 * use it to convert user specified BW limit into Kbps
 */
#define ICE_BW_KBPS_DIVISOR             125

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

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

#define ice_for_each_chnl_tc(i) \
        for ((i) = ICE_CHNL_START_TC; (i) < ICE_CHNL_MAX_TC; (i)++)

#define ICE_UCAST_PROMISC_BITS (ICE_PROMISC_UCAST_TX | ICE_PROMISC_UCAST_RX)

#define ICE_UCAST_VLAN_PROMISC_BITS (ICE_PROMISC_UCAST_TX | \
                                     ICE_PROMISC_UCAST_RX | \
                                     ICE_PROMISC_VLAN_TX  | \
                                     ICE_PROMISC_VLAN_RX)

#define ICE_MCAST_PROMISC_BITS (ICE_PROMISC_MCAST_TX | ICE_PROMISC_MCAST_RX)

#define ICE_MCAST_VLAN_PROMISC_BITS (ICE_PROMISC_MCAST_TX | \
                                     ICE_PROMISC_MCAST_RX | \
                                     ICE_PROMISC_VLAN_TX  | \
                                     ICE_PROMISC_VLAN_RX)

#define ice_pf_to_dev(pf) (&((pf)->pdev->dev))

enum ice_feature {
        ICE_F_DSCP,
        ICE_F_SMA_CTRL,
        ICE_F_MAX
};

DECLARE_STATIC_KEY_FALSE(ice_xdp_locking_key);

struct ice_channel {
        struct list_head list;
        u8 type;
        u16 sw_id;
        u16 base_q;
        u16 num_rxq;
        u16 num_txq;
        u16 vsi_num;
        u8 ena_tc;
        struct ice_aqc_vsi_props info;
        u64 max_tx_rate;
        u64 min_tx_rate;
        atomic_t num_sb_fltr;
        struct ice_vsi *ch_vsi;
};

struct ice_txq_meta {
        u32 q_teid;     /* Tx-scheduler element identifier */
        u16 q_id;       /* Entry in VSI's txq_map bitmap */
        u16 q_handle;   /* Relative index of Tx queue within TC */
        u16 vsi_idx;    /* VSI index that Tx queue belongs to */
        u8 tc;          /* TC number that Tx queue belongs to */
};

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 */
        u16 ena_tc; /* Tx map */
        struct ice_tc_info tc_info[ICE_MAX_TRAFFIC_CLASS];
};

struct ice_res_tracker {
        u16 num_entries;
        u16 end;
        u16 list[];
};

struct ice_qs_cfg {
        struct mutex *qs_mutex;  /* will be assigned 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 */
        struct ice_vsi *dflt_vsi;       /* default VSI for this switch */
        u8 dflt_vsi_ena:1;      /* true if above dflt_vsi is enabled */
};

enum ice_pf_state {
        ICE_TESTING,
        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 */
        ICE_CORER_REQ,          /* set by driver */
        ICE_GLOBR_REQ,          /* set by driver */
        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_SIDEBANDQ_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_FD_FLUSH_REQ,
        ICE_OICR_INTR_DIS,              /* Global OICR interrupt disabled */
        ICE_MDD_VF_PRINT_PENDING,       /* set when MDD event handle */
        ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */
        ICE_LINK_DEFAULT_OVERRIDE_PENDING,
        ICE_PHY_INIT_COMPLETE,
        ICE_FD_VF_FLUSH_CTX,            /* set at FD Rx IRQ or timeout */
        ICE_STATE_NBITS         /* must be last */
};

enum ice_vsi_state {
        ICE_VSI_DOWN,
        ICE_VSI_NEEDS_RESTART,
        ICE_VSI_NETDEV_ALLOCD,
        ICE_VSI_NETDEV_REGISTERED,
        ICE_VSI_UMAC_FLTR_CHANGED,
        ICE_VSI_MMAC_FLTR_CHANGED,
        ICE_VSI_VLAN_FLTR_CHANGED,
        ICE_VSI_PROMISC_CHANGED,
        ICE_VSI_STATE_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_rx_ring **rx_rings;   /* Rx ring array */
        struct ice_tx_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_VSI_STATE_NBITS);
        unsigned int current_netdev_flags;
        u32 tx_restart;
        u32 tx_busy;
        u32 rx_buf_failed;
        u32 rx_page_failed;
        u16 num_q_vectors;
        u16 base_vector;                /* IRQ base for OS reserved vectors */
        enum ice_vsi_type type;
        u16 vsi_num;                    /* HW (absolute) index of this VSI */
        u16 idx;                        /* software index in pf->vsi[] */

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

        u16 ethtype;                    /* Ethernet protocol for pause frame */
        u16 num_gfltr;
        u16 num_bfltr;

        /* 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 */

        /* aRFS members only allocated for the PF VSI */
#define ICE_MAX_ARFS_LIST       1024
#define ICE_ARFS_LST_MASK       (ICE_MAX_ARFS_LIST - 1)
        struct hlist_head *arfs_fltr_list;
        struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs;
        spinlock_t arfs_lock;   /* protects aRFS hash table and filter state */
        atomic_t *arfs_last_fltr_id;

        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:1;
        u8 current_isup:1;               /* Sync 'link up' logging */
        u8 stat_offsets_loaded:1;
        u16 num_vlan;

        /* queue information */
        u8 tx_mapping_mode;              /* ICE_MAP_MODE_[CONTIG|SCATTER] */
        u8 rx_mapping_mode;              /* ICE_MAP_MODE_[CONTIG|SCATTER] */
        u16 *txq_map;                    /* index in pf->avail_txqs */
        u16 *rxq_map;                    /* 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 req_txq;                     /* User requested Tx queues */
        u16 req_rxq;                     /* User requested Rx queues */
        u16 num_rx_desc;
        u16 num_tx_desc;
        u16 qset_handle[ICE_MAX_TRAFFIC_CLASS];
        struct ice_tc_cfg tc_cfg;
        struct bpf_prog *xdp_prog;
        struct ice_tx_ring **xdp_rings;  /* XDP ring array */
        unsigned long *af_xdp_zc_qps;    /* tracks AF_XDP ZC enabled qps */
        u16 num_xdp_txq;                 /* Used XDP queues */
        u8 xdp_mapping_mode;             /* ICE_MAP_MODE_[CONTIG|SCATTER] */

        struct net_device **target_netdevs;

        struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */

        /* Channel Specific Fields */
        struct ice_vsi *tc_map_vsi[ICE_CHNL_MAX_TC];
        u16 cnt_q_avail;
        u16 next_base_q;        /* next queue to be used for channel setup */
        struct list_head ch_list;
        u16 num_chnl_rxq;
        u16 num_chnl_txq;
        u16 ch_rss_size;
        u16 num_chnl_fltr;
        /* store away rss size info before configuring ADQ channels so that,
         * it can be used after tc-qdisc delete, to get back RSS setting as
         * they were before
         */
        u16 orig_rss_size;
        /* this keeps tracks of all enabled TC with and without DCB
         * and inclusive of ADQ, vsi->mqprio_opt keeps track of queue
         * information
         */
        u8 all_numtc;
        u16 all_enatc;

        /* store away TC info, to be used for rebuild logic */
        u8 old_numtc;
        u16 old_ena_tc;

        struct ice_channel *ch;

        /* setup back reference, to which aggregator node this VSI
         * corresponds to
         */
        struct ice_agg_node *agg_node;
} ____cacheline_internodealigned_in_smp;

/* struct that defines an interrupt vector */
struct ice_q_vector {
        struct ice_vsi *vsi;

        u16 v_idx;                      /* index in the vsi->q_vector array. */
        u16 reg_idx;
        u8 num_ring_rx;                 /* total number of Rx rings in vector */
        u8 num_ring_tx;                 /* total number of Tx rings in vector */
        u8 wb_on_itr:1;                 /* if true, WB on ITR is enabled */
        /* in usecs, need to use ice_intrl_to_usecs_reg() before writing this
         * value to the device
         */
        u8 intrl;

        struct napi_struct napi;

        struct ice_ring_container rx;
        struct ice_ring_container tx;

        cpumask_t affinity_mask;
        struct irq_affinity_notify affinity_notify;

        struct ice_channel *ch;

        char name[ICE_INT_NAME_STR_LEN];

        u16 total_events;       /* net_dim(): number of interrupts processed */
} ____cacheline_internodealigned_in_smp;

enum ice_pf_flags {
        ICE_FLAG_FLTR_SYNC,
        ICE_FLAG_RDMA_ENA,
        ICE_FLAG_RSS_ENA,
        ICE_FLAG_SRIOV_ENA,
        ICE_FLAG_SRIOV_CAPABLE,
        ICE_FLAG_DCB_CAPABLE,
        ICE_FLAG_DCB_ENA,
        ICE_FLAG_FD_ENA,
        ICE_FLAG_PTP_SUPPORTED,         /* PTP is supported by NVM */
        ICE_FLAG_PTP,                   /* PTP is enabled by software */
        ICE_FLAG_AUX_ENA,
        ICE_FLAG_ADV_FEATURES,
        ICE_FLAG_TC_MQPRIO,             /* support for Multi queue TC */
        ICE_FLAG_CLS_FLOWER,
        ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA,
        ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA,
        ICE_FLAG_NO_MEDIA,
        ICE_FLAG_FW_LLDP_AGENT,
        ICE_FLAG_MOD_POWER_UNSUPPORTED,
        ICE_FLAG_PHY_FW_LOAD_FAILED,
        ICE_FLAG_ETHTOOL_CTXT,          /* set when ethtool holds RTNL lock */
        ICE_FLAG_LEGACY_RX,
        ICE_FLAG_VF_TRUE_PROMISC_ENA,
        ICE_FLAG_MDD_AUTO_RESET_VF,
        ICE_FLAG_LINK_LENIENT_MODE_ENA,
        ICE_FLAG_PLUG_AUX_DEV,
        ICE_FLAG_MTU_CHANGED,
        ICE_PF_FLAGS_NBITS              /* must be last */
};

struct ice_switchdev_info {
        struct ice_vsi *control_vsi;
        struct ice_vsi *uplink_vsi;
        bool is_running;
};

struct ice_agg_node {
        u32 agg_id;
#define ICE_MAX_VSIS_IN_AGG_NODE        64
        u32 num_vsis;
        u8 valid;
};

struct ice_pf {
        struct pci_dev *pdev;

        struct devlink_region *nvm_region;
        struct devlink_region *sram_region;
        struct devlink_region *devcaps_region;

        /* devlink port data */
        struct devlink_port devlink_port;

        /* OS reserved IRQ details */
        struct msix_entry *msix_entries;
        struct ice_res_tracker *irq_tracker;
        /* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the
         * number of MSIX vectors needed for all SR-IOV VFs from the number of
         * MSIX vectors allowed on this PF.
         */
        u16 sriov_base_vector;

        u16 ctrl_vsi_idx;               /* control VSI index in pf->vsi array */

        struct ice_vsi **vsi;           /* VSIs created by the driver */
        struct ice_sw *first_sw;        /* first switch created by firmware */
        u16 eswitch_mode;               /* current mode of eswitch */
        /* Virtchnl/SR-IOV config info */
        struct ice_vf *vf;
        u16 num_alloc_vfs;              /* actual number of VFs allocated */
        u16 num_vfs_supported;          /* num VFs supported for this PF */
        u16 num_qps_per_vf;
        u16 num_msix_per_vf;
        /* used to ratelimit the MDD event logging */
        unsigned long last_printed_mdd_jiffies;
        DECLARE_BITMAP(malvfs, ICE_MAX_VF_COUNT);
        DECLARE_BITMAP(features, ICE_F_MAX);
        DECLARE_BITMAP(state, ICE_STATE_NBITS);
        DECLARE_BITMAP(flags, ICE_PF_FLAGS_NBITS);
        unsigned long *avail_txqs;      /* bitmap to track PF Tx queue usage */
        unsigned long *avail_rxqs;      /* bitmap to track PF Rx queue usage */
        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 */
        struct mutex tc_mutex;          /* lock to protect TC changes */
        u32 msg_enable;
        struct ice_ptp ptp;
        u16 num_rdma_msix;              /* Total MSIX vectors for RDMA driver */
        u16 rdma_base_vector;

        /* spinlock to protect the AdminQ wait list */
        spinlock_t aq_wait_lock;
        struct hlist_head aq_wait_list;
        wait_queue_head_t aq_wait_queue;
        bool fw_emp_reset_disabled;

        wait_queue_head_t reset_wait_queue;

        u32 hw_csum_rx_error;
        u16 oicr_idx;           /* Other interrupt cause MSIX vector index */
        u16 num_avail_sw_msix;  /* remaining MSIX SW vectors left unclaimed */
        u16 max_pf_txqs;        /* Total Tx queues PF wide */
        u16 max_pf_rxqs;        /* Total Rx queues PF wide */
        u16 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 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 */

        u8 wol_ena : 1;         /* software state of WoL */
        u32 wakeup_reason;      /* last wakeup reason */
        struct ice_hw_port_stats stats;
        struct ice_hw_port_stats stats_prev;
        struct ice_hw hw;
        u8 stat_prev_loaded:1; /* has previous stats been loaded */
        u8 rdma_mode;
        u16 dcbx_cap;
        u32 tx_timeout_count;
        unsigned long tx_timeout_last_recovery;
        u32 tx_timeout_recovery_level;
        char int_name[ICE_INT_NAME_STR_LEN];
        struct auxiliary_device *adev;
        int aux_idx;
        u32 sw_int_count;
        /* count of tc_flower filters specific to channel (aka where filter
         * action is "hw_tc <tc_num>")
         */
        u16 num_dmac_chnl_fltrs;
        struct hlist_head tc_flower_fltr_list;

        __le64 nvm_phy_type_lo; /* NVM PHY type low */
        __le64 nvm_phy_type_hi; /* NVM PHY type high */
        struct ice_link_default_override_tlv link_dflt_override;
        struct ice_lag *lag; /* Link Aggregation information */

        struct ice_switchdev_info switchdev;

#define ICE_INVALID_AGG_NODE_ID         0
#define ICE_PF_AGG_NODE_ID_START        1
#define ICE_MAX_PF_AGG_NODES            32
        struct ice_agg_node pf_agg_node[ICE_MAX_PF_AGG_NODES];
#define ICE_VF_AGG_NODE_ID_START        65
#define ICE_MAX_VF_AGG_NODES            32
        struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES];
};

struct ice_netdev_priv {
        struct ice_vsi *vsi;
        struct ice_repr *repr;
        /* indirect block callbacks on registered higher level devices
         * (e.g. tunnel devices)
         *
         * tc_indr_block_cb_priv_list is used to look up indirect callback
         * private data
         */
        struct list_head tc_indr_block_priv_list;
};

/**
 * ice_vector_ch_enabled
 * @qv: pointer to q_vector, can be NULL
 *
 * This function returns true if vector is channel enabled otherwise false
 */
static inline bool ice_vector_ch_enabled(struct ice_q_vector *qv)
{
        return !!qv->ch; /* Enable it to run with TC */
}

/**
 * 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) ? q_vector->reg_idx :
                                ((struct ice_pf *)hw->back)->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_VSI_DOWN, vsi->state))
                        return;
        wr32(hw, GLINT_DYN_CTL(vector), val);
}

/**
 * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev
 * @netdev: pointer to the netdev struct
 */
static inline struct ice_pf *ice_netdev_to_pf(struct net_device *netdev)
{
        struct ice_netdev_priv *np = netdev_priv(netdev);

        return np->vsi->back;
}

static inline bool ice_is_xdp_ena_vsi(struct ice_vsi *vsi)
{
        return !!vsi->xdp_prog;
}

static inline void ice_set_ring_xdp(struct ice_tx_ring *ring)
{
        ring->flags |= ICE_TX_FLAGS_RING_XDP;
}

/**
 * ice_xsk_pool - get XSK buffer pool bound to a ring
 * @ring: Rx ring to use
 *
 * Returns a pointer to xdp_umem structure if there is a buffer pool present,
 * NULL otherwise.
 */
static inline struct xsk_buff_pool *ice_xsk_pool(struct ice_rx_ring *ring)
{
        struct ice_vsi *vsi = ring->vsi;
        u16 qid = ring->q_index;

        if (!ice_is_xdp_ena_vsi(vsi) || !test_bit(qid, vsi->af_xdp_zc_qps))
                return NULL;

        return xsk_get_pool_from_qid(vsi->netdev, qid);
}

/**
 * ice_tx_xsk_pool - get XSK buffer pool bound to a ring
 * @ring: Tx ring to use
 *
 * Returns a pointer to xdp_umem structure if there is a buffer pool present,
 * NULL otherwise. Tx equivalent of ice_xsk_pool.
 */
static inline struct xsk_buff_pool *ice_tx_xsk_pool(struct ice_tx_ring *ring)
{
        struct ice_vsi *vsi = ring->vsi;
        u16 qid;

        qid = ring->q_index - vsi->num_xdp_txq;

        if (!ice_is_xdp_ena_vsi(vsi) || !test_bit(qid, vsi->af_xdp_zc_qps))
                return NULL;

        return xsk_get_pool_from_qid(vsi->netdev, qid);
}

/**
 * ice_get_main_vsi - Get the PF VSI
 * @pf: PF instance
 *
 * returns pf->vsi[0], which by definition is the PF VSI
 */
static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf)
{
        if (pf->vsi)
                return pf->vsi[0];

        return NULL;
}

/**
 * ice_get_netdev_priv_vsi - return VSI associated with netdev priv.
 * @np: private netdev structure
 */
static inline struct ice_vsi *ice_get_netdev_priv_vsi(struct ice_netdev_priv *np)
{
        /* In case of port representor return source port VSI. */
        if (np->repr)
                return np->repr->src_vsi;
        else
                return np->vsi;
}

/**
 * ice_get_ctrl_vsi - Get the control VSI
 * @pf: PF instance
 */
static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf)
{
        /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */
        if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI)
                return NULL;

        return pf->vsi[pf->ctrl_vsi_idx];
}

/**
 * ice_is_switchdev_running - check if switchdev is configured
 * @pf: pointer to PF structure
 *
 * Returns true if eswitch mode is set to DEVLINK_ESWITCH_MODE_SWITCHDEV
 * and switchdev is configured, false otherwise.
 */
static inline bool ice_is_switchdev_running(struct ice_pf *pf)
{
        return pf->switchdev.is_running;
}

/**
 * ice_set_sriov_cap - enable SRIOV in PF flags
 * @pf: PF struct
 */
static inline void ice_set_sriov_cap(struct ice_pf *pf)
{
        if (pf->hw.func_caps.common_cap.sr_iov_1_1)
                set_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags);
}

/**
 * ice_clear_sriov_cap - disable SRIOV in PF flags
 * @pf: PF struct
 */
static inline void ice_clear_sriov_cap(struct ice_pf *pf)
{
        clear_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags);
}

#define ICE_FD_STAT_CTR_BLOCK_COUNT     256
#define ICE_FD_STAT_PF_IDX(base_idx) \
                        ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT)
#define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx)
#define ICE_FD_STAT_CH                  1
#define ICE_FD_CH_STAT_IDX(base_idx) \
                        (ICE_FD_STAT_PF_IDX(base_idx) + ICE_FD_STAT_CH)

/**
 * ice_is_adq_active - any active ADQs
 * @pf: pointer to PF
 *
 * This function returns true if there are any ADQs configured (which is
 * determined by looking at VSI type (which should be VSI_PF), numtc, and
 * TC_MQPRIO flag) otherwise return false
 */
static inline bool ice_is_adq_active(struct ice_pf *pf)
{
        struct ice_vsi *vsi;

        vsi = ice_get_main_vsi(pf);
        if (!vsi)
                return false;

        /* is ADQ configured */
        if (vsi->tc_cfg.numtc > ICE_CHNL_START_TC &&
            test_bit(ICE_FLAG_TC_MQPRIO, pf->flags))
                return true;

        return false;
}

bool netif_is_ice(struct net_device *dev);
int ice_vsi_setup_tx_rings(struct ice_vsi *vsi);
int ice_vsi_setup_rx_rings(struct ice_vsi *vsi);
int ice_vsi_open_ctrl(struct ice_vsi *vsi);
int ice_vsi_open(struct ice_vsi *vsi);
void ice_set_ethtool_ops(struct net_device *netdev);
void ice_set_ethtool_repr_ops(struct net_device *netdev);
void ice_set_ethtool_safe_mode_ops(struct net_device *netdev);
u16 ice_get_avail_txq_count(struct ice_pf *pf);
u16 ice_get_avail_rxq_count(struct ice_pf *pf);
int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx);
void ice_update_vsi_stats(struct ice_vsi *vsi);
void ice_update_pf_stats(struct ice_pf *pf);
int ice_up(struct ice_vsi *vsi);
int ice_down(struct ice_vsi *vsi);
int ice_vsi_cfg(struct ice_vsi *vsi);
struct ice_vsi *ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi);
int ice_vsi_determine_xdp_res(struct ice_vsi *vsi);
int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog);
int ice_destroy_xdp_rings(struct ice_vsi *vsi);
int
ice_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
             u32 flags);
int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size);
int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size);
int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed);
int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed);
void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size);
int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset);
void ice_print_link_msg(struct ice_vsi *vsi, bool isup);
int ice_plug_aux_dev(struct ice_pf *pf);
void ice_unplug_aux_dev(struct ice_pf *pf);
int ice_init_rdma(struct ice_pf *pf);
const char *ice_aq_str(enum ice_aq_err aq_err);
bool ice_is_wol_supported(struct ice_hw *hw);
void ice_fdir_del_all_fltrs(struct ice_vsi *vsi);
int
ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add,
                    bool is_tun);
void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena);
int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd);
int
ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd,
                      u32 *rule_locs);
void ice_fdir_rem_adq_chnl(struct ice_hw *hw, u16 vsi_idx);
void ice_fdir_release_flows(struct ice_hw *hw);
void ice_fdir_replay_flows(struct ice_hw *hw);
void ice_fdir_replay_fltrs(struct ice_pf *pf);
int ice_fdir_create_dflt_rules(struct ice_pf *pf);
int ice_aq_wait_for_event(struct ice_pf *pf, u16 opcode, unsigned long timeout,
                          struct ice_rq_event_info *event);
int ice_open(struct net_device *netdev);
int ice_open_internal(struct net_device *netdev);
int ice_stop(struct net_device *netdev);
void ice_service_task_schedule(struct ice_pf *pf);

/**
 * ice_set_rdma_cap - enable RDMA support
 * @pf: PF struct
 */
static inline void ice_set_rdma_cap(struct ice_pf *pf)
{
        if (pf->hw.func_caps.common_cap.rdma && pf->num_rdma_msix) {
                set_bit(ICE_FLAG_RDMA_ENA, pf->flags);
                set_bit(ICE_FLAG_AUX_ENA, pf->flags);
                set_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags);
        }
}

/**
 * ice_clear_rdma_cap - disable RDMA support
 * @pf: PF struct
 */
static inline void ice_clear_rdma_cap(struct ice_pf *pf)
{
        ice_unplug_aux_dev(pf);
        clear_bit(ICE_FLAG_RDMA_ENA, pf->flags);
        clear_bit(ICE_FLAG_AUX_ENA, pf->flags);
}
#endif /* _ICE_H_ */