drivers/net/ethernet/pensando/ionic/ionic_lif.h - linux - Git at Google

 /* SPDX-License-Identifier: GPL-2.0 */
 /* Copyright(c) 2017 - 2019 Pensando Systems, Inc */

 #ifndef _IONIC_LIF_H_
 #define _IONIC_LIF_H_

 #include <linux/ptp_clock_kernel.h>
 #include <linux/timecounter.h>
 #include <uapi/linux/net_tstamp.h>
 #include <linux/dim.h>
 #include <linux/pci.h>
 #include "ionic_rx_filter.h"

 #define IONIC_ADMINQ_LENGTH	16	/* must be a power of two */
 #define IONIC_NOTIFYQ_LENGTH	64	/* must be a power of two */

 #define ADD_ADDR	true
 #define DEL_ADDR	false
 #define CAN_SLEEP	true
 #define CAN_NOT_SLEEP	false

 #define IONIC_RX_COPYBREAK_DEFAULT	256
 #define IONIC_TX_BUDGET_DEFAULT		256

 struct ionic_tx_stats {
 	u64 pkts;
 	u64 bytes;
 	u64 csum_none;
 	u64 csum;
 	u64 tso;
 	u64 tso_bytes;
 	u64 frags;
 	u64 vlan_inserted;
 	u64 clean;
 	u64 linearize;
 	u64 crc32_csum;
 	u64 dma_map_err;
 	u64 hwstamp_valid;
 	u64 hwstamp_invalid;
 	u64 xdp_frames;
 };

 struct ionic_rx_stats {
 	u64 pkts;
 	u64 bytes;
 	u64 csum_none;
 	u64 csum_complete;
 	u64 dropped;
 	u64 vlan_stripped;
 	u64 csum_error;
 	u64 dma_map_err;
 	u64 alloc_err;
 	u64 hwstamp_valid;
 	u64 hwstamp_invalid;
 	u64 xdp_drop;
 	u64 xdp_aborted;
 	u64 xdp_pass;
 	u64 xdp_tx;
 	u64 xdp_redirect;
 };

 #define IONIC_QCQ_F_INITED		BIT(0)
 #define IONIC_QCQ_F_SG			BIT(1)
 #define IONIC_QCQ_F_INTR		BIT(2)
 #define IONIC_QCQ_F_TX_STATS		BIT(3)
 #define IONIC_QCQ_F_RX_STATS		BIT(4)
 #define IONIC_QCQ_F_NOTIFYQ		BIT(5)
 #define IONIC_QCQ_F_CMB_RINGS		BIT(6)

 struct ionic_qcq {
 	void *q_base;
 	dma_addr_t q_base_pa;
 	u32 q_size;
 	u32 cq_size;
 	void *cq_base;
 	dma_addr_t cq_base_pa;
 	void *sg_base;
 	dma_addr_t sg_base_pa;
 	u32 sg_size;
 	unsigned int flags;
 	void __iomem *cmb_q_base;
 	phys_addr_t cmb_q_base_pa;
 	u32 cmb_q_size;
 	u32 cmb_pgid;
 	u32 cmb_order;
 	struct dim dim;
 	struct ionic_queue q;
 	struct ionic_cq cq;
 	struct napi_struct napi;
 	struct ionic_intr_info intr;
 	struct work_struct doorbell_napi_work;
 	struct dentry *dentry;
 };

 #define q_to_qcq(q)		container_of(q, struct ionic_qcq, q)
 #define q_to_tx_stats(q)	(&(q)->lif->txqstats[(q)->index])
 #define q_to_rx_stats(q)	(&(q)->lif->rxqstats[(q)->index])
 #define napi_to_qcq(napi)	container_of(napi, struct ionic_qcq, napi)
 #define napi_to_cq(napi)	(&napi_to_qcq(napi)->cq)

 enum ionic_deferred_work_type {
 	IONIC_DW_TYPE_RX_MODE,
 	IONIC_DW_TYPE_LINK_STATUS,
 	IONIC_DW_TYPE_LIF_RESET,
 };

 struct ionic_deferred_work {
 	struct list_head list;
 	enum ionic_deferred_work_type type;
 	union {
 		u8 addr[ETH_ALEN];
 		u8 fw_status;
 	};
 };

 struct ionic_deferred {
 	spinlock_t lock;		/* lock for deferred work list */
 	struct list_head list;
 	struct work_struct work;
 };

 struct ionic_lif_sw_stats {
 	u64 tx_packets;
 	u64 tx_bytes;
 	u64 rx_packets;
 	u64 rx_bytes;
 	u64 tx_tso;
 	u64 tx_tso_bytes;
 	u64 tx_csum_none;
 	u64 tx_csum;
 	u64 rx_csum_none;
 	u64 rx_csum_complete;
 	u64 rx_csum_error;
 	u64 tx_hwstamp_valid;
 	u64 tx_hwstamp_invalid;
 	u64 rx_hwstamp_valid;
 	u64 rx_hwstamp_invalid;
 	u64 hw_tx_dropped;
 	u64 hw_rx_dropped;
 	u64 hw_rx_over_errors;
 	u64 hw_rx_missed_errors;
 	u64 hw_tx_aborted_errors;
 	u64 xdp_drop;
 	u64 xdp_aborted;
 	u64 xdp_pass;
 	u64 xdp_tx;
 	u64 xdp_redirect;
 	u64 xdp_frames;
 };

 enum ionic_lif_state_flags {
 	IONIC_LIF_F_INITED,
 	IONIC_LIF_F_UP,
 	IONIC_LIF_F_LINK_CHECK_REQUESTED,
 	IONIC_LIF_F_FILTER_SYNC_NEEDED,
 	IONIC_LIF_F_FW_RESET,
 	IONIC_LIF_F_FW_STOPPING,
 	IONIC_LIF_F_SPLIT_INTR,
 	IONIC_LIF_F_BROKEN,
 	IONIC_LIF_F_TX_DIM_INTR,
 	IONIC_LIF_F_RX_DIM_INTR,
 	IONIC_LIF_F_CMB_TX_RINGS,
 	IONIC_LIF_F_CMB_RX_RINGS,

 	/* leave this as last */
 	IONIC_LIF_F_STATE_SIZE
 };

 struct ionic_qtype_info {
 	u8  version;
 	u8  supported;
 	u64 features;
 	u16 desc_sz;
 	u16 comp_sz;
 	u16 sg_desc_sz;
 	u16 max_sg_elems;
 	u16 sg_desc_stride;
 };

 struct ionic_phc;

 #define IONIC_LIF_NAME_MAX_SZ		32
 struct ionic_lif {
 	struct net_device *netdev;
 	DECLARE_BITMAP(state, IONIC_LIF_F_STATE_SIZE);
 	struct ionic *ionic;
 	unsigned int index;
 	unsigned int hw_index;
 	struct mutex queue_lock;	/* lock for queue structures */
 	struct mutex config_lock;	/* lock for config actions */
 	spinlock_t adminq_lock;		/* lock for AdminQ operations */
 	struct ionic_qcq *adminqcq;
 	struct ionic_qcq *notifyqcq;
 	struct ionic_qcq **txqcqs;
 	struct ionic_qcq *hwstamp_txq;
 	struct ionic_tx_stats *txqstats;
 	struct ionic_qcq **rxqcqs;
 	struct ionic_qcq *hwstamp_rxq;
 	struct ionic_rx_stats *rxqstats;
 	struct ionic_deferred deferred;
 	struct work_struct tx_timeout_work;
 	u64 last_eid;
 	unsigned int kern_pid;
 	u64 __iomem *kern_dbpage;
 	unsigned int neqs;
 	unsigned int nxqs;
 	unsigned int ntxq_descs;
 	unsigned int nrxq_descs;
 	u64 rxq_features;
 	u64 hw_features;
 	u16 rx_copybreak;
 	u16 rx_mode;
 	bool registered;
 	bool doorbell_wa;
 	u16 lif_type;
 	unsigned int link_down_count;
 	unsigned int nmcast;
 	unsigned int nucast;
 	unsigned int nvlans;
 	unsigned int max_vlans;
 	char name[IONIC_LIF_NAME_MAX_SZ];

 	union ionic_lif_identity *identity;
 	struct ionic_lif_info *info;
 	dma_addr_t info_pa;
 	u32 info_sz;
 	struct ionic_qtype_info qtype_info[IONIC_QTYPE_MAX];

 	u8 rss_hash_key[IONIC_RSS_HASH_KEY_SIZE];
 	u8 *rss_ind_tbl;
 	dma_addr_t rss_ind_tbl_pa;
 	u32 rss_ind_tbl_sz;
 	u16 rss_types;

 	struct ionic_rx_filters rx_filters;
 	u32 rx_coalesce_usecs;		/* what the user asked for */
 	u32 rx_coalesce_hw;		/* what the hw is using */
 	u32 tx_coalesce_usecs;		/* what the user asked for */
 	u32 tx_coalesce_hw;		/* what the hw is using */
 	unsigned int dbid_count;

 	struct ionic_phc *phc;

 	struct dentry *dentry;
 	struct bpf_prog *xdp_prog;
 };

 struct ionic_phc {
 	spinlock_t lock; /* lock for cc and tc */
 	struct cyclecounter cc;
 	struct timecounter tc;

 	struct mutex config_lock; /* lock for ts_config */
 	struct hwtstamp_config ts_config;
 	u64 ts_config_rx_filt;
 	u32 ts_config_tx_mode;

 	u32 init_cc_mult;
 	long aux_work_delay;

 	struct ptp_clock_info ptp_info;
 	struct ptp_clock *ptp;
 	struct ionic_lif *lif;
 };

 struct ionic_queue_params {
 	unsigned int nxqs;
 	unsigned int ntxq_descs;
 	unsigned int nrxq_descs;
 	u64 rxq_features;
 	struct bpf_prog *xdp_prog;
 	bool intr_split;
 	bool cmb_tx;
 	bool cmb_rx;
 };

 static inline void ionic_init_queue_params(struct ionic_lif *lif,
 					   struct ionic_queue_params *qparam)
 {
 	qparam->nxqs = lif->nxqs;
 	qparam->ntxq_descs = lif->ntxq_descs;
 	qparam->nrxq_descs = lif->nrxq_descs;
 	qparam->rxq_features = lif->rxq_features;
 	qparam->xdp_prog = lif->xdp_prog;
 	qparam->intr_split = test_bit(IONIC_LIF_F_SPLIT_INTR, lif->state);
 	qparam->cmb_tx = test_bit(IONIC_LIF_F_CMB_TX_RINGS, lif->state);
 	qparam->cmb_rx = test_bit(IONIC_LIF_F_CMB_RX_RINGS, lif->state);
 }

 static inline void ionic_set_queue_params(struct ionic_lif *lif,
 					  struct ionic_queue_params *qparam)
 {
 	lif->nxqs = qparam->nxqs;
 	lif->ntxq_descs = qparam->ntxq_descs;
 	lif->nrxq_descs = qparam->nrxq_descs;
 	lif->rxq_features = qparam->rxq_features;

 	if (qparam->intr_split)
 		set_bit(IONIC_LIF_F_SPLIT_INTR, lif->state);
 	else
 		clear_bit(IONIC_LIF_F_SPLIT_INTR, lif->state);

 	if (qparam->cmb_tx)
 		set_bit(IONIC_LIF_F_CMB_TX_RINGS, lif->state);
 	else
 		clear_bit(IONIC_LIF_F_CMB_TX_RINGS, lif->state);

 	if (qparam->cmb_rx)
 		set_bit(IONIC_LIF_F_CMB_RX_RINGS, lif->state);
 	else
 		clear_bit(IONIC_LIF_F_CMB_RX_RINGS, lif->state);
 }

 static inline u32 ionic_coal_usec_to_hw(struct ionic *ionic, u32 usecs)
 {
 	u32 mult = le32_to_cpu(ionic->ident.dev.intr_coal_mult);
 	u32 div = le32_to_cpu(ionic->ident.dev.intr_coal_div);

 	/* Div-by-zero should never be an issue, but check anyway */
 	if (!div || !mult)
 		return 0;

 	/* Round up in case usecs is close to the next hw unit */
 	usecs += (div / mult) >> 1;

 	/* Convert from usecs to device units */
 	return (usecs * mult) / div;
 }

 static inline bool ionic_txq_hwstamp_enabled(struct ionic_queue *q)
 {
 	return q->features & IONIC_TXQ_F_HWSTAMP;
 }

 void ionic_link_status_check_request(struct ionic_lif *lif, bool can_sleep);
 void ionic_get_stats64(struct net_device *netdev,
 		       struct rtnl_link_stats64 *ns);
 void ionic_lif_deferred_enqueue(struct ionic_lif *lif,
 				struct ionic_deferred_work *work);
 int ionic_lif_alloc(struct ionic *ionic);
 int ionic_lif_init(struct ionic_lif *lif);
 void ionic_lif_free(struct ionic_lif *lif);
 void ionic_lif_deinit(struct ionic_lif *lif);

 int ionic_lif_addr_add(struct ionic_lif *lif, const u8 *addr);
 int ionic_lif_addr_del(struct ionic_lif *lif, const u8 *addr);

 void ionic_stop_queues_reconfig(struct ionic_lif *lif);
 void ionic_txrx_free(struct ionic_lif *lif);
 void ionic_qcqs_free(struct ionic_lif *lif);
 int ionic_restart_lif(struct ionic_lif *lif);

 int ionic_lif_register(struct ionic_lif *lif);
 void ionic_lif_unregister(struct ionic_lif *lif);
 int ionic_lif_identify(struct ionic *ionic, u8 lif_type,
 		       union ionic_lif_identity *lif_ident);
 int ionic_lif_size(struct ionic *ionic);

 #if IS_ENABLED(CONFIG_PTP_1588_CLOCK)
 void ionic_lif_hwstamp_replay(struct ionic_lif *lif);
 void ionic_lif_hwstamp_recreate_queues(struct ionic_lif *lif);
 int ionic_lif_hwstamp_set(struct ionic_lif *lif, struct ifreq *ifr);
 int ionic_lif_hwstamp_get(struct ionic_lif *lif, struct ifreq *ifr);
 ktime_t ionic_lif_phc_ktime(struct ionic_lif *lif, u64 counter);
 void ionic_lif_register_phc(struct ionic_lif *lif);
 void ionic_lif_unregister_phc(struct ionic_lif *lif);
 void ionic_lif_alloc_phc(struct ionic_lif *lif);
 void ionic_lif_free_phc(struct ionic_lif *lif);
 #else
 static inline void ionic_lif_hwstamp_replay(struct ionic_lif *lif) {}
 static inline void ionic_lif_hwstamp_recreate_queues(struct ionic_lif *lif) {}

 static inline int ionic_lif_hwstamp_set(struct ionic_lif *lif, struct ifreq *ifr)
 {
 	return -EOPNOTSUPP;
 }

 static inline int ionic_lif_hwstamp_get(struct ionic_lif *lif, struct ifreq *ifr)
 {
 	return -EOPNOTSUPP;
 }

 static inline ktime_t ionic_lif_phc_ktime(struct ionic_lif *lif, u64 counter)
 {
 	return ns_to_ktime(0);
 }

 static inline void ionic_lif_register_phc(struct ionic_lif *lif) {}
 static inline void ionic_lif_unregister_phc(struct ionic_lif *lif) {}
 static inline void ionic_lif_alloc_phc(struct ionic_lif *lif) {}
 static inline void ionic_lif_free_phc(struct ionic_lif *lif) {}
 #endif

 int ionic_lif_create_hwstamp_txq(struct ionic_lif *lif);
 int ionic_lif_create_hwstamp_rxq(struct ionic_lif *lif);
 int ionic_lif_config_hwstamp_rxq_all(struct ionic_lif *lif, bool rx_all);
 int ionic_lif_set_hwstamp_txmode(struct ionic_lif *lif, u16 txstamp_mode);
 int ionic_lif_set_hwstamp_rxfilt(struct ionic_lif *lif, u64 pkt_class);

 int ionic_lif_rss_config(struct ionic_lif *lif, u16 types,
 			 const u8 *key, const u32 *indir);
 void ionic_lif_rx_mode(struct ionic_lif *lif);
 int ionic_reconfigure_queues(struct ionic_lif *lif,
 			     struct ionic_queue_params *qparam);
 #endif /* _IONIC_LIF_H_ */
	/* SPDX-License-Identifier: GPL-2.0 */
	/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */

	#ifndef _IONIC_LIF_H_
	#define _IONIC_LIF_H_

	#include <linux/ptp_clock_kernel.h>
	#include <linux/timecounter.h>
	#include <uapi/linux/net_tstamp.h>
	#include <linux/dim.h>
	#include <linux/pci.h>
	#include "ionic_rx_filter.h"

	#define IONIC_ADMINQ_LENGTH 16 /* must be a power of two */
	#define IONIC_NOTIFYQ_LENGTH 64 /* must be a power of two */

	#define ADD_ADDR true
	#define DEL_ADDR false
	#define CAN_SLEEP true
	#define CAN_NOT_SLEEP false

	#define IONIC_RX_COPYBREAK_DEFAULT 256
	#define IONIC_TX_BUDGET_DEFAULT 256

	struct ionic_tx_stats {
	u64 pkts;
	u64 bytes;
	u64 csum_none;
	u64 csum;
	u64 tso;
	u64 tso_bytes;
	u64 frags;
	u64 vlan_inserted;
	u64 clean;
	u64 linearize;
	u64 crc32_csum;
	u64 dma_map_err;
	u64 hwstamp_valid;
	u64 hwstamp_invalid;
	u64 xdp_frames;
	};

	struct ionic_rx_stats {
	u64 pkts;
	u64 bytes;
	u64 csum_none;
	u64 csum_complete;
	u64 dropped;
	u64 vlan_stripped;
	u64 csum_error;
	u64 dma_map_err;
	u64 alloc_err;
	u64 hwstamp_valid;
	u64 hwstamp_invalid;
	u64 xdp_drop;
	u64 xdp_aborted;
	u64 xdp_pass;
	u64 xdp_tx;
	u64 xdp_redirect;
	};

	#define IONIC_QCQ_F_INITED BIT(0)
	#define IONIC_QCQ_F_SG BIT(1)
	#define IONIC_QCQ_F_INTR BIT(2)
	#define IONIC_QCQ_F_TX_STATS BIT(3)
	#define IONIC_QCQ_F_RX_STATS BIT(4)
	#define IONIC_QCQ_F_NOTIFYQ BIT(5)
	#define IONIC_QCQ_F_CMB_RINGS BIT(6)

	struct ionic_qcq {
	void *q_base;
	dma_addr_t q_base_pa;
	u32 q_size;
	u32 cq_size;
	void *cq_base;
	dma_addr_t cq_base_pa;
	void *sg_base;
	dma_addr_t sg_base_pa;
	u32 sg_size;
	unsigned int flags;
	void __iomem *cmb_q_base;
	phys_addr_t cmb_q_base_pa;
	u32 cmb_q_size;
	u32 cmb_pgid;
	u32 cmb_order;
	struct dim dim;
	struct ionic_queue q;
	struct ionic_cq cq;
	struct napi_struct napi;
	struct ionic_intr_info intr;
	struct work_struct doorbell_napi_work;
	struct dentry *dentry;
	};

	#define q_to_qcq(q) container_of(q, struct ionic_qcq, q)
	#define q_to_tx_stats(q) (&(q)->lif->txqstats[(q)->index])
	#define q_to_rx_stats(q) (&(q)->lif->rxqstats[(q)->index])
	#define napi_to_qcq(napi) container_of(napi, struct ionic_qcq, napi)
	#define napi_to_cq(napi) (&napi_to_qcq(napi)->cq)

	enum ionic_deferred_work_type {
	IONIC_DW_TYPE_RX_MODE,
	IONIC_DW_TYPE_LINK_STATUS,
	IONIC_DW_TYPE_LIF_RESET,
	};

	struct ionic_deferred_work {
	struct list_head list;
	enum ionic_deferred_work_type type;
	union {
	u8 addr[ETH_ALEN];
	u8 fw_status;
	};
	};

	struct ionic_deferred {
	spinlock_t lock; /* lock for deferred work list */
	struct list_head list;
	struct work_struct work;
	};

	struct ionic_lif_sw_stats {
	u64 tx_packets;
	u64 tx_bytes;
	u64 rx_packets;
	u64 rx_bytes;
	u64 tx_tso;
	u64 tx_tso_bytes;
	u64 tx_csum_none;
	u64 tx_csum;
	u64 rx_csum_none;
	u64 rx_csum_complete;
	u64 rx_csum_error;
	u64 tx_hwstamp_valid;
	u64 tx_hwstamp_invalid;
	u64 rx_hwstamp_valid;
	u64 rx_hwstamp_invalid;
	u64 hw_tx_dropped;
	u64 hw_rx_dropped;
	u64 hw_rx_over_errors;
	u64 hw_rx_missed_errors;
	u64 hw_tx_aborted_errors;
	u64 xdp_drop;
	u64 xdp_aborted;
	u64 xdp_pass;
	u64 xdp_tx;
	u64 xdp_redirect;
	u64 xdp_frames;
	};

	enum ionic_lif_state_flags {
	IONIC_LIF_F_INITED,
	IONIC_LIF_F_UP,
	IONIC_LIF_F_LINK_CHECK_REQUESTED,
	IONIC_LIF_F_FILTER_SYNC_NEEDED,
	IONIC_LIF_F_FW_RESET,
	IONIC_LIF_F_FW_STOPPING,
	IONIC_LIF_F_SPLIT_INTR,
	IONIC_LIF_F_BROKEN,
	IONIC_LIF_F_TX_DIM_INTR,
	IONIC_LIF_F_RX_DIM_INTR,
	IONIC_LIF_F_CMB_TX_RINGS,
	IONIC_LIF_F_CMB_RX_RINGS,

	/* leave this as last */
	IONIC_LIF_F_STATE_SIZE
	};

	struct ionic_qtype_info {
	u8 version;
	u8 supported;
	u64 features;
	u16 desc_sz;
	u16 comp_sz;
	u16 sg_desc_sz;
	u16 max_sg_elems;
	u16 sg_desc_stride;
	};

	struct ionic_phc;

	#define IONIC_LIF_NAME_MAX_SZ 32
	struct ionic_lif {
	struct net_device *netdev;
	DECLARE_BITMAP(state, IONIC_LIF_F_STATE_SIZE);
	struct ionic *ionic;
	unsigned int index;
	unsigned int hw_index;
	struct mutex queue_lock; /* lock for queue structures */
	struct mutex config_lock; /* lock for config actions */
	spinlock_t adminq_lock; /* lock for AdminQ operations */
	struct ionic_qcq *adminqcq;
	struct ionic_qcq *notifyqcq;
	struct ionic_qcq **txqcqs;
	struct ionic_qcq *hwstamp_txq;
	struct ionic_tx_stats *txqstats;
	struct ionic_qcq **rxqcqs;
	struct ionic_qcq *hwstamp_rxq;
	struct ionic_rx_stats *rxqstats;
	struct ionic_deferred deferred;
	struct work_struct tx_timeout_work;
	u64 last_eid;
	unsigned int kern_pid;
	u64 __iomem *kern_dbpage;
	unsigned int neqs;
	unsigned int nxqs;
	unsigned int ntxq_descs;
	unsigned int nrxq_descs;
	u64 rxq_features;
	u64 hw_features;
	u16 rx_copybreak;
	u16 rx_mode;
	bool registered;
	bool doorbell_wa;
	u16 lif_type;
	unsigned int link_down_count;
	unsigned int nmcast;
	unsigned int nucast;
	unsigned int nvlans;
	unsigned int max_vlans;
	char name[IONIC_LIF_NAME_MAX_SZ];

	union ionic_lif_identity *identity;
	struct ionic_lif_info *info;
	dma_addr_t info_pa;
	u32 info_sz;
	struct ionic_qtype_info qtype_info[IONIC_QTYPE_MAX];

	u8 rss_hash_key[IONIC_RSS_HASH_KEY_SIZE];
	u8 *rss_ind_tbl;
	dma_addr_t rss_ind_tbl_pa;
	u32 rss_ind_tbl_sz;
	u16 rss_types;

	struct ionic_rx_filters rx_filters;
	u32 rx_coalesce_usecs; /* what the user asked for */
	u32 rx_coalesce_hw; /* what the hw is using */
	u32 tx_coalesce_usecs; /* what the user asked for */
	u32 tx_coalesce_hw; /* what the hw is using */
	unsigned int dbid_count;

	struct ionic_phc *phc;

	struct dentry *dentry;
	struct bpf_prog *xdp_prog;
	};

	struct ionic_phc {
	spinlock_t lock; /* lock for cc and tc */
	struct cyclecounter cc;
	struct timecounter tc;

	struct mutex config_lock; /* lock for ts_config */
	struct hwtstamp_config ts_config;
	u64 ts_config_rx_filt;
	u32 ts_config_tx_mode;

	u32 init_cc_mult;
	long aux_work_delay;

	struct ptp_clock_info ptp_info;
	struct ptp_clock *ptp;
	struct ionic_lif *lif;
	};

	struct ionic_queue_params {
	unsigned int nxqs;
	unsigned int ntxq_descs;
	unsigned int nrxq_descs;
	u64 rxq_features;
	struct bpf_prog *xdp_prog;
	bool intr_split;
	bool cmb_tx;
	bool cmb_rx;
	};

	static inline void ionic_init_queue_params(struct ionic_lif *lif,
	struct ionic_queue_params *qparam)
	{
	qparam->nxqs = lif->nxqs;
	qparam->ntxq_descs = lif->ntxq_descs;
	qparam->nrxq_descs = lif->nrxq_descs;
	qparam->rxq_features = lif->rxq_features;
	qparam->xdp_prog = lif->xdp_prog;
	qparam->intr_split = test_bit(IONIC_LIF_F_SPLIT_INTR, lif->state);
	qparam->cmb_tx = test_bit(IONIC_LIF_F_CMB_TX_RINGS, lif->state);
	qparam->cmb_rx = test_bit(IONIC_LIF_F_CMB_RX_RINGS, lif->state);
	}

	static inline void ionic_set_queue_params(struct ionic_lif *lif,
	struct ionic_queue_params *qparam)
	{
	lif->nxqs = qparam->nxqs;
	lif->ntxq_descs = qparam->ntxq_descs;
	lif->nrxq_descs = qparam->nrxq_descs;
	lif->rxq_features = qparam->rxq_features;

	if (qparam->intr_split)
	set_bit(IONIC_LIF_F_SPLIT_INTR, lif->state);
	else
	clear_bit(IONIC_LIF_F_SPLIT_INTR, lif->state);

	if (qparam->cmb_tx)
	set_bit(IONIC_LIF_F_CMB_TX_RINGS, lif->state);
	else
	clear_bit(IONIC_LIF_F_CMB_TX_RINGS, lif->state);

	if (qparam->cmb_rx)
	set_bit(IONIC_LIF_F_CMB_RX_RINGS, lif->state);
	else
	clear_bit(IONIC_LIF_F_CMB_RX_RINGS, lif->state);
	}

	static inline u32 ionic_coal_usec_to_hw(struct ionic *ionic, u32 usecs)
	{
	u32 mult = le32_to_cpu(ionic->ident.dev.intr_coal_mult);
	u32 div = le32_to_cpu(ionic->ident.dev.intr_coal_div);

	/* Div-by-zero should never be an issue, but check anyway */
	if (!div \|\| !mult)
	return 0;

	/* Round up in case usecs is close to the next hw unit */
	usecs += (div / mult) >> 1;

	/* Convert from usecs to device units */
	return (usecs * mult) / div;
	}

	static inline bool ionic_txq_hwstamp_enabled(struct ionic_queue *q)
	{
	return q->features & IONIC_TXQ_F_HWSTAMP;
	}

	void ionic_link_status_check_request(struct ionic_lif *lif, bool can_sleep);
	void ionic_get_stats64(struct net_device *netdev,
	struct rtnl_link_stats64 *ns);
	void ionic_lif_deferred_enqueue(struct ionic_lif *lif,
	struct ionic_deferred_work *work);
	int ionic_lif_alloc(struct ionic *ionic);
	int ionic_lif_init(struct ionic_lif *lif);
	void ionic_lif_free(struct ionic_lif *lif);
	void ionic_lif_deinit(struct ionic_lif *lif);

	int ionic_lif_addr_add(struct ionic_lif lif, const u8 addr);
	int ionic_lif_addr_del(struct ionic_lif lif, const u8 addr);

	void ionic_stop_queues_reconfig(struct ionic_lif *lif);
	void ionic_txrx_free(struct ionic_lif *lif);
	void ionic_qcqs_free(struct ionic_lif *lif);
	int ionic_restart_lif(struct ionic_lif *lif);

	int ionic_lif_register(struct ionic_lif *lif);
	void ionic_lif_unregister(struct ionic_lif *lif);
	int ionic_lif_identify(struct ionic *ionic, u8 lif_type,
	union ionic_lif_identity *lif_ident);
	int ionic_lif_size(struct ionic *ionic);

	#if IS_ENABLED(CONFIG_PTP_1588_CLOCK)
	void ionic_lif_hwstamp_replay(struct ionic_lif *lif);
	void ionic_lif_hwstamp_recreate_queues(struct ionic_lif *lif);
	int ionic_lif_hwstamp_set(struct ionic_lif lif, struct ifreq ifr);
	int ionic_lif_hwstamp_get(struct ionic_lif lif, struct ifreq ifr);
	ktime_t ionic_lif_phc_ktime(struct ionic_lif *lif, u64 counter);
	void ionic_lif_register_phc(struct ionic_lif *lif);
	void ionic_lif_unregister_phc(struct ionic_lif *lif);
	void ionic_lif_alloc_phc(struct ionic_lif *lif);
	void ionic_lif_free_phc(struct ionic_lif *lif);
	#else
	static inline void ionic_lif_hwstamp_replay(struct ionic_lif *lif) {}
	static inline void ionic_lif_hwstamp_recreate_queues(struct ionic_lif *lif) {}

	static inline int ionic_lif_hwstamp_set(struct ionic_lif lif, struct ifreq ifr)
	{
	return -EOPNOTSUPP;
	}

	static inline int ionic_lif_hwstamp_get(struct ionic_lif lif, struct ifreq ifr)
	{
	return -EOPNOTSUPP;
	}

	static inline ktime_t ionic_lif_phc_ktime(struct ionic_lif *lif, u64 counter)
	{
	return ns_to_ktime(0);
	}

	static inline void ionic_lif_register_phc(struct ionic_lif *lif) {}
	static inline void ionic_lif_unregister_phc(struct ionic_lif *lif) {}
	static inline void ionic_lif_alloc_phc(struct ionic_lif *lif) {}
	static inline void ionic_lif_free_phc(struct ionic_lif *lif) {}
	#endif

	int ionic_lif_create_hwstamp_txq(struct ionic_lif *lif);
	int ionic_lif_create_hwstamp_rxq(struct ionic_lif *lif);
	int ionic_lif_config_hwstamp_rxq_all(struct ionic_lif *lif, bool rx_all);
	int ionic_lif_set_hwstamp_txmode(struct ionic_lif *lif, u16 txstamp_mode);
	int ionic_lif_set_hwstamp_rxfilt(struct ionic_lif *lif, u64 pkt_class);

	int ionic_lif_rss_config(struct ionic_lif *lif, u16 types,
	const u8 key, const u32 indir);
	void ionic_lif_rx_mode(struct ionic_lif *lif);
	int ionic_reconfigure_queues(struct ionic_lif *lif,
	struct ionic_queue_params *qparam);
	#endif /* _IONIC_LIF_H_ */