cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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i40e.h (42236B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2/* Copyright(c) 2013 - 2021 Intel Corporation. */
      3
      4#ifndef _I40E_H_
      5#define _I40E_H_
      6
      7#include <net/tcp.h>
      8#include <net/udp.h>
      9#include <linux/types.h>
     10#include <linux/errno.h>
     11#include <linux/module.h>
     12#include <linux/pci.h>
     13#include <linux/aer.h>
     14#include <linux/netdevice.h>
     15#include <linux/ioport.h>
     16#include <linux/iommu.h>
     17#include <linux/slab.h>
     18#include <linux/list.h>
     19#include <linux/hashtable.h>
     20#include <linux/string.h>
     21#include <linux/in.h>
     22#include <linux/ip.h>
     23#include <linux/sctp.h>
     24#include <linux/pkt_sched.h>
     25#include <linux/ipv6.h>
     26#include <net/checksum.h>
     27#include <net/ip6_checksum.h>
     28#include <linux/ethtool.h>
     29#include <linux/if_vlan.h>
     30#include <linux/if_macvlan.h>
     31#include <linux/if_bridge.h>
     32#include <linux/clocksource.h>
     33#include <linux/net_tstamp.h>
     34#include <linux/ptp_clock_kernel.h>
     35#include <net/pkt_cls.h>
     36#include <net/tc_act/tc_gact.h>
     37#include <net/tc_act/tc_mirred.h>
     38#include <net/udp_tunnel.h>
     39#include <net/xdp_sock.h>
     40#include <linux/bitfield.h>
     41#include "i40e_type.h"
     42#include "i40e_prototype.h"
     43#include <linux/net/intel/i40e_client.h>
     44#include <linux/avf/virtchnl.h>
     45#include "i40e_virtchnl_pf.h"
     46#include "i40e_txrx.h"
     47#include "i40e_dcb.h"
     48
     49/* Useful i40e defaults */
     50#define I40E_MAX_VEB			16
     51
     52#define I40E_MAX_NUM_DESCRIPTORS	4096
     53#define I40E_MAX_CSR_SPACE		(4 * 1024 * 1024 - 64 * 1024)
     54#define I40E_DEFAULT_NUM_DESCRIPTORS	512
     55#define I40E_REQ_DESCRIPTOR_MULTIPLE	32
     56#define I40E_MIN_NUM_DESCRIPTORS	64
     57#define I40E_MIN_MSIX			2
     58#define I40E_DEFAULT_NUM_VMDQ_VSI	8 /* max 256 VSIs */
     59#define I40E_MIN_VSI_ALLOC		83 /* LAN, ATR, FCOE, 64 VF */
     60/* max 16 qps */
     61#define i40e_default_queues_per_vmdq(pf) \
     62		(((pf)->hw_features & I40E_HW_RSS_AQ_CAPABLE) ? 4 : 1)
     63#define I40E_DEFAULT_QUEUES_PER_VF	4
     64#define I40E_MAX_VF_QUEUES		16
     65#define i40e_pf_get_max_q_per_tc(pf) \
     66		(((pf)->hw_features & I40E_HW_128_QP_RSS_CAPABLE) ? 128 : 64)
     67#define I40E_FDIR_RING_COUNT		32
     68#define I40E_MAX_AQ_BUF_SIZE		4096
     69#define I40E_AQ_LEN			256
     70#define I40E_MIN_ARQ_LEN		1
     71#define I40E_MIN_ASQ_LEN		2
     72#define I40E_AQ_WORK_LIMIT		66 /* max number of VFs + a little */
     73#define I40E_MAX_USER_PRIORITY		8
     74#define I40E_DEFAULT_TRAFFIC_CLASS	BIT(0)
     75#define I40E_QUEUE_WAIT_RETRY_LIMIT	10
     76#define I40E_INT_NAME_STR_LEN		(IFNAMSIZ + 16)
     77
     78#define I40E_NVM_VERSION_LO_SHIFT	0
     79#define I40E_NVM_VERSION_LO_MASK	(0xff << I40E_NVM_VERSION_LO_SHIFT)
     80#define I40E_NVM_VERSION_HI_SHIFT	12
     81#define I40E_NVM_VERSION_HI_MASK	(0xf << I40E_NVM_VERSION_HI_SHIFT)
     82#define I40E_OEM_VER_BUILD_MASK		0xffff
     83#define I40E_OEM_VER_PATCH_MASK		0xff
     84#define I40E_OEM_VER_BUILD_SHIFT	8
     85#define I40E_OEM_VER_SHIFT		24
     86#define I40E_PHY_DEBUG_ALL \
     87	(I40E_AQ_PHY_DEBUG_DISABLE_LINK_FW | \
     88	I40E_AQ_PHY_DEBUG_DISABLE_ALL_LINK_FW)
     89
     90#define I40E_OEM_EETRACK_ID		0xffffffff
     91#define I40E_OEM_GEN_SHIFT		24
     92#define I40E_OEM_SNAP_MASK		0x00ff0000
     93#define I40E_OEM_SNAP_SHIFT		16
     94#define I40E_OEM_RELEASE_MASK		0x0000ffff
     95
     96#define I40E_RX_DESC(R, i)	\
     97	(&(((union i40e_rx_desc *)((R)->desc))[i]))
     98#define I40E_TX_DESC(R, i)	\
     99	(&(((struct i40e_tx_desc *)((R)->desc))[i]))
    100#define I40E_TX_CTXTDESC(R, i)	\
    101	(&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
    102#define I40E_TX_FDIRDESC(R, i)	\
    103	(&(((struct i40e_filter_program_desc *)((R)->desc))[i]))
    104
    105/* BW rate limiting */
    106#define I40E_BW_CREDIT_DIVISOR		50 /* 50Mbps per BW credit */
    107#define I40E_BW_MBPS_DIVISOR		125000 /* rate / (1000000 / 8) Mbps */
    108#define I40E_MAX_BW_INACTIVE_ACCUM	4 /* accumulate 4 credits max */
    109
    110/* driver state flags */
    111enum i40e_state_t {
    112	__I40E_TESTING,
    113	__I40E_CONFIG_BUSY,
    114	__I40E_CONFIG_DONE,
    115	__I40E_DOWN,
    116	__I40E_SERVICE_SCHED,
    117	__I40E_ADMINQ_EVENT_PENDING,
    118	__I40E_MDD_EVENT_PENDING,
    119	__I40E_VFLR_EVENT_PENDING,
    120	__I40E_RESET_RECOVERY_PENDING,
    121	__I40E_TIMEOUT_RECOVERY_PENDING,
    122	__I40E_MISC_IRQ_REQUESTED,
    123	__I40E_RESET_INTR_RECEIVED,
    124	__I40E_REINIT_REQUESTED,
    125	__I40E_PF_RESET_REQUESTED,
    126	__I40E_PF_RESET_AND_REBUILD_REQUESTED,
    127	__I40E_CORE_RESET_REQUESTED,
    128	__I40E_GLOBAL_RESET_REQUESTED,
    129	__I40E_EMP_RESET_INTR_RECEIVED,
    130	__I40E_SUSPENDED,
    131	__I40E_PTP_TX_IN_PROGRESS,
    132	__I40E_BAD_EEPROM,
    133	__I40E_DOWN_REQUESTED,
    134	__I40E_FD_FLUSH_REQUESTED,
    135	__I40E_FD_ATR_AUTO_DISABLED,
    136	__I40E_FD_SB_AUTO_DISABLED,
    137	__I40E_RESET_FAILED,
    138	__I40E_PORT_SUSPENDED,
    139	__I40E_VF_DISABLE,
    140	__I40E_MACVLAN_SYNC_PENDING,
    141	__I40E_TEMP_LINK_POLLING,
    142	__I40E_CLIENT_SERVICE_REQUESTED,
    143	__I40E_CLIENT_L2_CHANGE,
    144	__I40E_CLIENT_RESET,
    145	__I40E_VIRTCHNL_OP_PENDING,
    146	__I40E_RECOVERY_MODE,
    147	__I40E_VF_RESETS_DISABLED,	/* disable resets during i40e_remove */
    148	__I40E_IN_REMOVE,
    149	__I40E_VFS_RELEASING,
    150	/* This must be last as it determines the size of the BITMAP */
    151	__I40E_STATE_SIZE__,
    152};
    153
    154#define I40E_PF_RESET_FLAG	BIT_ULL(__I40E_PF_RESET_REQUESTED)
    155#define I40E_PF_RESET_AND_REBUILD_FLAG	\
    156	BIT_ULL(__I40E_PF_RESET_AND_REBUILD_REQUESTED)
    157
    158/* VSI state flags */
    159enum i40e_vsi_state_t {
    160	__I40E_VSI_DOWN,
    161	__I40E_VSI_NEEDS_RESTART,
    162	__I40E_VSI_SYNCING_FILTERS,
    163	__I40E_VSI_OVERFLOW_PROMISC,
    164	__I40E_VSI_REINIT_REQUESTED,
    165	__I40E_VSI_DOWN_REQUESTED,
    166	__I40E_VSI_RELEASING,
    167	/* This must be last as it determines the size of the BITMAP */
    168	__I40E_VSI_STATE_SIZE__,
    169};
    170
    171enum i40e_interrupt_policy {
    172	I40E_INTERRUPT_BEST_CASE,
    173	I40E_INTERRUPT_MEDIUM,
    174	I40E_INTERRUPT_LOWEST
    175};
    176
    177struct i40e_lump_tracking {
    178	u16 num_entries;
    179	u16 list[0];
    180#define I40E_PILE_VALID_BIT  0x8000
    181#define I40E_IWARP_IRQ_PILE_ID  (I40E_PILE_VALID_BIT - 2)
    182};
    183
    184#define I40E_DEFAULT_ATR_SAMPLE_RATE	20
    185#define I40E_FDIR_MAX_RAW_PACKET_SIZE	512
    186#define I40E_FDIR_BUFFER_FULL_MARGIN	10
    187#define I40E_FDIR_BUFFER_HEAD_ROOM	32
    188#define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4)
    189
    190#define I40E_HKEY_ARRAY_SIZE	((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4)
    191#define I40E_HLUT_ARRAY_SIZE	((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
    192#define I40E_VF_HLUT_ARRAY_SIZE	((I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4)
    193
    194enum i40e_fd_stat_idx {
    195	I40E_FD_STAT_ATR,
    196	I40E_FD_STAT_SB,
    197	I40E_FD_STAT_ATR_TUNNEL,
    198	I40E_FD_STAT_PF_COUNT
    199};
    200#define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)
    201#define I40E_FD_ATR_STAT_IDX(pf_id) \
    202			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)
    203#define I40E_FD_SB_STAT_IDX(pf_id)  \
    204			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)
    205#define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \
    206			(I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL)
    207
    208/* The following structure contains the data parsed from the user-defined
    209 * field of the ethtool_rx_flow_spec structure.
    210 */
    211struct i40e_rx_flow_userdef {
    212	bool flex_filter;
    213	u16 flex_word;
    214	u16 flex_offset;
    215};
    216
    217struct i40e_fdir_filter {
    218	struct hlist_node fdir_node;
    219	/* filter ipnut set */
    220	u8 flow_type;
    221	u8 ipl4_proto;
    222	/* TX packet view of src and dst */
    223	__be32 dst_ip;
    224	__be32 src_ip;
    225	__be32 dst_ip6[4];
    226	__be32 src_ip6[4];
    227	__be16 src_port;
    228	__be16 dst_port;
    229	__be32 sctp_v_tag;
    230
    231	__be16 vlan_etype;
    232	__be16 vlan_tag;
    233	/* Flexible data to match within the packet payload */
    234	__be16 flex_word;
    235	u16 flex_offset;
    236	bool flex_filter;
    237
    238	/* filter control */
    239	u16 q_index;
    240	u8  flex_off;
    241	u8  pctype;
    242	u16 dest_vsi;
    243	u8  dest_ctl;
    244	u8  fd_status;
    245	u16 cnt_index;
    246	u32 fd_id;
    247};
    248
    249#define I40E_CLOUD_FIELD_OMAC		BIT(0)
    250#define I40E_CLOUD_FIELD_IMAC		BIT(1)
    251#define I40E_CLOUD_FIELD_IVLAN		BIT(2)
    252#define I40E_CLOUD_FIELD_TEN_ID		BIT(3)
    253#define I40E_CLOUD_FIELD_IIP		BIT(4)
    254
    255#define I40E_CLOUD_FILTER_FLAGS_OMAC	I40E_CLOUD_FIELD_OMAC
    256#define I40E_CLOUD_FILTER_FLAGS_IMAC	I40E_CLOUD_FIELD_IMAC
    257#define I40E_CLOUD_FILTER_FLAGS_IMAC_IVLAN	(I40E_CLOUD_FIELD_IMAC | \
    258						 I40E_CLOUD_FIELD_IVLAN)
    259#define I40E_CLOUD_FILTER_FLAGS_IMAC_TEN_ID	(I40E_CLOUD_FIELD_IMAC | \
    260						 I40E_CLOUD_FIELD_TEN_ID)
    261#define I40E_CLOUD_FILTER_FLAGS_OMAC_TEN_ID_IMAC (I40E_CLOUD_FIELD_OMAC | \
    262						  I40E_CLOUD_FIELD_IMAC | \
    263						  I40E_CLOUD_FIELD_TEN_ID)
    264#define I40E_CLOUD_FILTER_FLAGS_IMAC_IVLAN_TEN_ID (I40E_CLOUD_FIELD_IMAC | \
    265						   I40E_CLOUD_FIELD_IVLAN | \
    266						   I40E_CLOUD_FIELD_TEN_ID)
    267#define I40E_CLOUD_FILTER_FLAGS_IIP	I40E_CLOUD_FIELD_IIP
    268
    269struct i40e_cloud_filter {
    270	struct hlist_node cloud_node;
    271	unsigned long cookie;
    272	/* cloud filter input set follows */
    273	u8 dst_mac[ETH_ALEN];
    274	u8 src_mac[ETH_ALEN];
    275	__be16 vlan_id;
    276	u16 seid;       /* filter control */
    277	__be16 dst_port;
    278	__be16 src_port;
    279	u32 tenant_id;
    280	union {
    281		struct {
    282			struct in_addr dst_ip;
    283			struct in_addr src_ip;
    284		} v4;
    285		struct {
    286			struct in6_addr dst_ip6;
    287			struct in6_addr src_ip6;
    288		} v6;
    289	} ip;
    290#define dst_ipv6	ip.v6.dst_ip6.s6_addr32
    291#define src_ipv6	ip.v6.src_ip6.s6_addr32
    292#define dst_ipv4	ip.v4.dst_ip.s_addr
    293#define src_ipv4	ip.v4.src_ip.s_addr
    294	u16 n_proto;    /* Ethernet Protocol */
    295	u8 ip_proto;    /* IPPROTO value */
    296	u8 flags;
    297#define I40E_CLOUD_TNL_TYPE_NONE        0xff
    298	u8 tunnel_type;
    299};
    300
    301#define I40E_DCB_PRIO_TYPE_STRICT	0
    302#define I40E_DCB_PRIO_TYPE_ETS		1
    303#define I40E_DCB_STRICT_PRIO_CREDITS	127
    304/* DCB per TC information data structure */
    305struct i40e_tc_info {
    306	u16	qoffset;	/* Queue offset from base queue */
    307	u16	qcount;		/* Total Queues */
    308	u8	netdev_tc;	/* Netdev TC index if netdev associated */
    309};
    310
    311/* TC configuration data structure */
    312struct i40e_tc_configuration {
    313	u8	numtc;		/* Total number of enabled TCs */
    314	u8	enabled_tc;	/* TC map */
    315	struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS];
    316};
    317
    318#define I40E_UDP_PORT_INDEX_UNUSED	255
    319struct i40e_udp_port_config {
    320	/* AdminQ command interface expects port number in Host byte order */
    321	u16 port;
    322	u8 type;
    323	u8 filter_index;
    324};
    325
    326#define I40_DDP_FLASH_REGION 100
    327#define I40E_PROFILE_INFO_SIZE 48
    328#define I40E_MAX_PROFILE_NUM 16
    329#define I40E_PROFILE_LIST_SIZE \
    330	(I40E_PROFILE_INFO_SIZE * I40E_MAX_PROFILE_NUM + 4)
    331#define I40E_DDP_PROFILE_PATH "intel/i40e/ddp/"
    332#define I40E_DDP_PROFILE_NAME_MAX 64
    333
    334int i40e_ddp_load(struct net_device *netdev, const u8 *data, size_t size,
    335		  bool is_add);
    336int i40e_ddp_flash(struct net_device *netdev, struct ethtool_flash *flash);
    337
    338struct i40e_ddp_profile_list {
    339	u32 p_count;
    340	struct i40e_profile_info p_info[];
    341};
    342
    343struct i40e_ddp_old_profile_list {
    344	struct list_head list;
    345	size_t old_ddp_size;
    346	u8 old_ddp_buf[];
    347};
    348
    349/* macros related to FLX_PIT */
    350#define I40E_FLEX_SET_FSIZE(fsize) (((fsize) << \
    351				    I40E_PRTQF_FLX_PIT_FSIZE_SHIFT) & \
    352				    I40E_PRTQF_FLX_PIT_FSIZE_MASK)
    353#define I40E_FLEX_SET_DST_WORD(dst) (((dst) << \
    354				     I40E_PRTQF_FLX_PIT_DEST_OFF_SHIFT) & \
    355				     I40E_PRTQF_FLX_PIT_DEST_OFF_MASK)
    356#define I40E_FLEX_SET_SRC_WORD(src) (((src) << \
    357				     I40E_PRTQF_FLX_PIT_SOURCE_OFF_SHIFT) & \
    358				     I40E_PRTQF_FLX_PIT_SOURCE_OFF_MASK)
    359#define I40E_FLEX_PREP_VAL(dst, fsize, src) (I40E_FLEX_SET_DST_WORD(dst) | \
    360					     I40E_FLEX_SET_FSIZE(fsize) | \
    361					     I40E_FLEX_SET_SRC_WORD(src))
    362
    363
    364#define I40E_MAX_FLEX_SRC_OFFSET 0x1F
    365
    366/* macros related to GLQF_ORT */
    367#define I40E_ORT_SET_IDX(idx)		(((idx) << \
    368					  I40E_GLQF_ORT_PIT_INDX_SHIFT) & \
    369					 I40E_GLQF_ORT_PIT_INDX_MASK)
    370
    371#define I40E_ORT_SET_COUNT(count)	(((count) << \
    372					  I40E_GLQF_ORT_FIELD_CNT_SHIFT) & \
    373					 I40E_GLQF_ORT_FIELD_CNT_MASK)
    374
    375#define I40E_ORT_SET_PAYLOAD(payload)	(((payload) << \
    376					  I40E_GLQF_ORT_FLX_PAYLOAD_SHIFT) & \
    377					 I40E_GLQF_ORT_FLX_PAYLOAD_MASK)
    378
    379#define I40E_ORT_PREP_VAL(idx, count, payload) (I40E_ORT_SET_IDX(idx) | \
    380						I40E_ORT_SET_COUNT(count) | \
    381						I40E_ORT_SET_PAYLOAD(payload))
    382
    383#define I40E_L3_GLQF_ORT_IDX		34
    384#define I40E_L4_GLQF_ORT_IDX		35
    385
    386/* Flex PIT register index */
    387#define I40E_FLEX_PIT_IDX_START_L3	3
    388#define I40E_FLEX_PIT_IDX_START_L4	6
    389
    390#define I40E_FLEX_PIT_TABLE_SIZE	3
    391
    392#define I40E_FLEX_DEST_UNUSED		63
    393
    394#define I40E_FLEX_INDEX_ENTRIES		8
    395
    396/* Flex MASK to disable all flexible entries */
    397#define I40E_FLEX_INPUT_MASK	(I40E_FLEX_50_MASK | I40E_FLEX_51_MASK | \
    398				 I40E_FLEX_52_MASK | I40E_FLEX_53_MASK | \
    399				 I40E_FLEX_54_MASK | I40E_FLEX_55_MASK | \
    400				 I40E_FLEX_56_MASK | I40E_FLEX_57_MASK)
    401
    402struct i40e_flex_pit {
    403	struct list_head list;
    404	u16 src_offset;
    405	u8 pit_index;
    406};
    407
    408struct i40e_fwd_adapter {
    409	struct net_device *netdev;
    410	int bit_no;
    411};
    412
    413struct i40e_channel {
    414	struct list_head list;
    415	bool initialized;
    416	u8 type;
    417	u16 vsi_number; /* Assigned VSI number from AQ 'Add VSI' response */
    418	u16 stat_counter_idx;
    419	u16 base_queue;
    420	u16 num_queue_pairs; /* Requested by user */
    421	u16 seid;
    422
    423	u8 enabled_tc;
    424	struct i40e_aqc_vsi_properties_data info;
    425
    426	u64 max_tx_rate;
    427	struct i40e_fwd_adapter *fwd;
    428
    429	/* track this channel belongs to which VSI */
    430	struct i40e_vsi *parent_vsi;
    431};
    432
    433struct i40e_ptp_pins_settings;
    434
    435static inline bool i40e_is_channel_macvlan(struct i40e_channel *ch)
    436{
    437	return !!ch->fwd;
    438}
    439
    440static inline const u8 *i40e_channel_mac(struct i40e_channel *ch)
    441{
    442	if (i40e_is_channel_macvlan(ch))
    443		return ch->fwd->netdev->dev_addr;
    444	else
    445		return NULL;
    446}
    447
    448/* struct that defines the Ethernet device */
    449struct i40e_pf {
    450	struct pci_dev *pdev;
    451	struct i40e_hw hw;
    452	DECLARE_BITMAP(state, __I40E_STATE_SIZE__);
    453	struct msix_entry *msix_entries;
    454	bool fc_autoneg_status;
    455
    456	u16 eeprom_version;
    457	u16 num_vmdq_vsis;         /* num vmdq vsis this PF has set up */
    458	u16 num_vmdq_qps;          /* num queue pairs per vmdq pool */
    459	u16 num_vmdq_msix;         /* num queue vectors per vmdq pool */
    460	u16 num_req_vfs;           /* num VFs requested for this PF */
    461	u16 num_vf_qps;            /* num queue pairs per VF */
    462	u16 num_lan_qps;           /* num lan queues this PF has set up */
    463	u16 num_lan_msix;          /* num queue vectors for the base PF vsi */
    464	u16 num_fdsb_msix;         /* num queue vectors for sideband Fdir */
    465	u16 num_iwarp_msix;        /* num of iwarp vectors for this PF */
    466	int iwarp_base_vector;
    467	int queues_left;           /* queues left unclaimed */
    468	u16 alloc_rss_size;        /* allocated RSS queues */
    469	u16 rss_size_max;          /* HW defined max RSS queues */
    470	u16 fdir_pf_filter_count;  /* num of guaranteed filters for this PF */
    471	u16 num_alloc_vsi;         /* num VSIs this driver supports */
    472	u8 atr_sample_rate;
    473	bool wol_en;
    474
    475	struct hlist_head fdir_filter_list;
    476	u16 fdir_pf_active_filters;
    477	unsigned long fd_flush_timestamp;
    478	u32 fd_flush_cnt;
    479	u32 fd_add_err;
    480	u32 fd_atr_cnt;
    481
    482	/* Book-keeping of side-band filter count per flow-type.
    483	 * This is used to detect and handle input set changes for
    484	 * respective flow-type.
    485	 */
    486	u16 fd_tcp4_filter_cnt;
    487	u16 fd_udp4_filter_cnt;
    488	u16 fd_sctp4_filter_cnt;
    489	u16 fd_ip4_filter_cnt;
    490
    491	u16 fd_tcp6_filter_cnt;
    492	u16 fd_udp6_filter_cnt;
    493	u16 fd_sctp6_filter_cnt;
    494	u16 fd_ip6_filter_cnt;
    495
    496	/* Flexible filter table values that need to be programmed into
    497	 * hardware, which expects L3 and L4 to be programmed separately. We
    498	 * need to ensure that the values are in ascended order and don't have
    499	 * duplicates, so we track each L3 and L4 values in separate lists.
    500	 */
    501	struct list_head l3_flex_pit_list;
    502	struct list_head l4_flex_pit_list;
    503
    504	struct udp_tunnel_nic_shared udp_tunnel_shared;
    505	struct udp_tunnel_nic_info udp_tunnel_nic;
    506
    507	struct hlist_head cloud_filter_list;
    508	u16 num_cloud_filters;
    509
    510	enum i40e_interrupt_policy int_policy;
    511	u16 rx_itr_default;
    512	u16 tx_itr_default;
    513	u32 msg_enable;
    514	char int_name[I40E_INT_NAME_STR_LEN];
    515	u16 adminq_work_limit; /* num of admin receive queue desc to process */
    516	unsigned long service_timer_period;
    517	unsigned long service_timer_previous;
    518	struct timer_list service_timer;
    519	struct work_struct service_task;
    520
    521	u32 hw_features;
    522#define I40E_HW_RSS_AQ_CAPABLE			BIT(0)
    523#define I40E_HW_128_QP_RSS_CAPABLE		BIT(1)
    524#define I40E_HW_ATR_EVICT_CAPABLE		BIT(2)
    525#define I40E_HW_WB_ON_ITR_CAPABLE		BIT(3)
    526#define I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE	BIT(4)
    527#define I40E_HW_NO_PCI_LINK_CHECK		BIT(5)
    528#define I40E_HW_100M_SGMII_CAPABLE		BIT(6)
    529#define I40E_HW_NO_DCB_SUPPORT			BIT(7)
    530#define I40E_HW_USE_SET_LLDP_MIB		BIT(8)
    531#define I40E_HW_GENEVE_OFFLOAD_CAPABLE		BIT(9)
    532#define I40E_HW_PTP_L4_CAPABLE			BIT(10)
    533#define I40E_HW_WOL_MC_MAGIC_PKT_WAKE		BIT(11)
    534#define I40E_HW_HAVE_CRT_RETIMER		BIT(13)
    535#define I40E_HW_OUTER_UDP_CSUM_CAPABLE		BIT(14)
    536#define I40E_HW_PHY_CONTROLS_LEDS		BIT(15)
    537#define I40E_HW_STOP_FW_LLDP			BIT(16)
    538#define I40E_HW_PORT_ID_VALID			BIT(17)
    539#define I40E_HW_RESTART_AUTONEG			BIT(18)
    540
    541	u32 flags;
    542#define I40E_FLAG_RX_CSUM_ENABLED		BIT(0)
    543#define I40E_FLAG_MSI_ENABLED			BIT(1)
    544#define I40E_FLAG_MSIX_ENABLED			BIT(2)
    545#define I40E_FLAG_RSS_ENABLED			BIT(3)
    546#define I40E_FLAG_VMDQ_ENABLED			BIT(4)
    547#define I40E_FLAG_SRIOV_ENABLED			BIT(5)
    548#define I40E_FLAG_DCB_CAPABLE			BIT(6)
    549#define I40E_FLAG_DCB_ENABLED			BIT(7)
    550#define I40E_FLAG_FD_SB_ENABLED			BIT(8)
    551#define I40E_FLAG_FD_ATR_ENABLED		BIT(9)
    552#define I40E_FLAG_MFP_ENABLED			BIT(10)
    553#define I40E_FLAG_HW_ATR_EVICT_ENABLED		BIT(11)
    554#define I40E_FLAG_VEB_MODE_ENABLED		BIT(12)
    555#define I40E_FLAG_VEB_STATS_ENABLED		BIT(13)
    556#define I40E_FLAG_LINK_POLLING_ENABLED		BIT(14)
    557#define I40E_FLAG_TRUE_PROMISC_SUPPORT		BIT(15)
    558#define I40E_FLAG_LEGACY_RX			BIT(16)
    559#define I40E_FLAG_PTP				BIT(17)
    560#define I40E_FLAG_IWARP_ENABLED			BIT(18)
    561#define I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED	BIT(19)
    562#define I40E_FLAG_SOURCE_PRUNING_DISABLED       BIT(20)
    563#define I40E_FLAG_TC_MQPRIO			BIT(21)
    564#define I40E_FLAG_FD_SB_INACTIVE		BIT(22)
    565#define I40E_FLAG_FD_SB_TO_CLOUD_FILTER		BIT(23)
    566#define I40E_FLAG_DISABLE_FW_LLDP		BIT(24)
    567#define I40E_FLAG_RS_FEC			BIT(25)
    568#define I40E_FLAG_BASE_R_FEC			BIT(26)
    569/* TOTAL_PORT_SHUTDOWN
    570 * Allows to physically disable the link on the NIC's port.
    571 * If enabled, (after link down request from the OS)
    572 * no link, traffic or led activity is possible on that port.
    573 *
    574 * If I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED is set, the
    575 * I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED must be explicitly forced to true
    576 * and cannot be disabled by system admin at that time.
    577 * The functionalities are exclusive in terms of configuration, but they also
    578 * have similar behavior (allowing to disable physical link of the port),
    579 * with following differences:
    580 * - LINK_DOWN_ON_CLOSE_ENABLED is configurable at host OS run-time and is
    581 *   supported by whole family of 7xx Intel Ethernet Controllers
    582 * - TOTAL_PORT_SHUTDOWN may be enabled only before OS loads (in BIOS)
    583 *   only if motherboard's BIOS and NIC's FW has support of it
    584 * - when LINK_DOWN_ON_CLOSE_ENABLED is used, the link is being brought down
    585 *   by sending phy_type=0 to NIC's FW
    586 * - when TOTAL_PORT_SHUTDOWN is used, phy_type is not altered, instead
    587 *   the link is being brought down by clearing bit (I40E_AQ_PHY_ENABLE_LINK)
    588 *   in abilities field of i40e_aq_set_phy_config structure
    589 */
    590#define I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED	BIT(27)
    591
    592	struct i40e_client_instance *cinst;
    593	bool stat_offsets_loaded;
    594	struct i40e_hw_port_stats stats;
    595	struct i40e_hw_port_stats stats_offsets;
    596	u32 tx_timeout_count;
    597	u32 tx_timeout_recovery_level;
    598	unsigned long tx_timeout_last_recovery;
    599	u32 tx_sluggish_count;
    600	u32 hw_csum_rx_error;
    601	u32 led_status;
    602	u16 corer_count; /* Core reset count */
    603	u16 globr_count; /* Global reset count */
    604	u16 empr_count; /* EMP reset count */
    605	u16 pfr_count; /* PF reset count */
    606	u16 sw_int_count; /* SW interrupt count */
    607
    608	struct mutex switch_mutex;
    609	u16 lan_vsi;       /* our default LAN VSI */
    610	u16 lan_veb;       /* initial relay, if exists */
    611#define I40E_NO_VEB	0xffff
    612#define I40E_NO_VSI	0xffff
    613	u16 next_vsi;      /* Next unallocated VSI - 0-based! */
    614	struct i40e_vsi **vsi;
    615	struct i40e_veb *veb[I40E_MAX_VEB];
    616
    617	struct i40e_lump_tracking *qp_pile;
    618	struct i40e_lump_tracking *irq_pile;
    619
    620	/* switch config info */
    621	u16 pf_seid;
    622	u16 main_vsi_seid;
    623	u16 mac_seid;
    624	struct kobject *switch_kobj;
    625#ifdef CONFIG_DEBUG_FS
    626	struct dentry *i40e_dbg_pf;
    627#endif /* CONFIG_DEBUG_FS */
    628	bool cur_promisc;
    629
    630	u16 instance; /* A unique number per i40e_pf instance in the system */
    631
    632	/* sr-iov config info */
    633	struct i40e_vf *vf;
    634	int num_alloc_vfs;	/* actual number of VFs allocated */
    635	u32 vf_aq_requests;
    636	u32 arq_overflows;	/* Not fatal, possibly indicative of problems */
    637
    638	/* DCBx/DCBNL capability for PF that indicates
    639	 * whether DCBx is managed by firmware or host
    640	 * based agent (LLDPAD). Also, indicates what
    641	 * flavor of DCBx protocol (IEEE/CEE) is supported
    642	 * by the device. For now we're supporting IEEE
    643	 * mode only.
    644	 */
    645	u16 dcbx_cap;
    646
    647	struct i40e_filter_control_settings filter_settings;
    648	struct i40e_rx_pb_config pb_cfg; /* Current Rx packet buffer config */
    649	struct i40e_dcbx_config tmp_cfg;
    650
    651/* GPIO defines used by PTP */
    652#define I40E_SDP3_2			18
    653#define I40E_SDP3_3			19
    654#define I40E_GPIO_4			20
    655#define I40E_LED2_0			26
    656#define I40E_LED2_1			27
    657#define I40E_LED3_0			28
    658#define I40E_LED3_1			29
    659#define I40E_GLGEN_GPIO_SET_SDP_DATA_HI \
    660	(1 << I40E_GLGEN_GPIO_SET_SDP_DATA_SHIFT)
    661#define I40E_GLGEN_GPIO_SET_DRV_SDP_DATA \
    662	(1 << I40E_GLGEN_GPIO_SET_DRIVE_SDP_SHIFT)
    663#define I40E_GLGEN_GPIO_CTL_PRT_NUM_0 \
    664	(0 << I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT)
    665#define I40E_GLGEN_GPIO_CTL_PRT_NUM_1 \
    666	(1 << I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT)
    667#define I40E_GLGEN_GPIO_CTL_RESERVED	BIT(2)
    668#define I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_Z \
    669	(1 << I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_SHIFT)
    670#define I40E_GLGEN_GPIO_CTL_DIR_OUT \
    671	(1 << I40E_GLGEN_GPIO_CTL_PIN_DIR_SHIFT)
    672#define I40E_GLGEN_GPIO_CTL_TRI_DRV_HI \
    673	(1 << I40E_GLGEN_GPIO_CTL_TRI_CTL_SHIFT)
    674#define I40E_GLGEN_GPIO_CTL_OUT_HI_RST \
    675	(1 << I40E_GLGEN_GPIO_CTL_OUT_CTL_SHIFT)
    676#define I40E_GLGEN_GPIO_CTL_TIMESYNC_0 \
    677	(3 << I40E_GLGEN_GPIO_CTL_PIN_FUNC_SHIFT)
    678#define I40E_GLGEN_GPIO_CTL_TIMESYNC_1 \
    679	(4 << I40E_GLGEN_GPIO_CTL_PIN_FUNC_SHIFT)
    680#define I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN \
    681	(0x3F << I40E_GLGEN_GPIO_CTL_PHY_PIN_NAME_SHIFT)
    682#define I40E_GLGEN_GPIO_CTL_OUT_DEFAULT \
    683	(1 << I40E_GLGEN_GPIO_CTL_OUT_DEFAULT_SHIFT)
    684#define I40E_GLGEN_GPIO_CTL_PORT_0_IN_TIMESYNC_0 \
    685	(I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \
    686	 I40E_GLGEN_GPIO_CTL_TIMESYNC_0 | \
    687	 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_0)
    688#define I40E_GLGEN_GPIO_CTL_PORT_1_IN_TIMESYNC_0 \
    689	(I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \
    690	 I40E_GLGEN_GPIO_CTL_TIMESYNC_0 | \
    691	 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_1)
    692#define I40E_GLGEN_GPIO_CTL_PORT_0_OUT_TIMESYNC_1 \
    693	(I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \
    694	 I40E_GLGEN_GPIO_CTL_TIMESYNC_1 | I40E_GLGEN_GPIO_CTL_OUT_HI_RST | \
    695	 I40E_GLGEN_GPIO_CTL_TRI_DRV_HI | I40E_GLGEN_GPIO_CTL_DIR_OUT | \
    696	 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_0)
    697#define I40E_GLGEN_GPIO_CTL_PORT_1_OUT_TIMESYNC_1 \
    698	(I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN | \
    699	 I40E_GLGEN_GPIO_CTL_TIMESYNC_1 | I40E_GLGEN_GPIO_CTL_OUT_HI_RST | \
    700	 I40E_GLGEN_GPIO_CTL_TRI_DRV_HI | I40E_GLGEN_GPIO_CTL_DIR_OUT | \
    701	 I40E_GLGEN_GPIO_CTL_RESERVED | I40E_GLGEN_GPIO_CTL_PRT_NUM_1)
    702#define I40E_GLGEN_GPIO_CTL_LED_INIT \
    703	(I40E_GLGEN_GPIO_CTL_PRT_NUM_NA_Z | \
    704	 I40E_GLGEN_GPIO_CTL_DIR_OUT | \
    705	 I40E_GLGEN_GPIO_CTL_TRI_DRV_HI | \
    706	 I40E_GLGEN_GPIO_CTL_OUT_HI_RST | \
    707	 I40E_GLGEN_GPIO_CTL_OUT_DEFAULT | \
    708	 I40E_GLGEN_GPIO_CTL_NOT_FOR_PHY_CONN)
    709#define I40E_PRTTSYN_AUX_1_INSTNT \
    710	(1 << I40E_PRTTSYN_AUX_1_INSTNT_SHIFT)
    711#define I40E_PRTTSYN_AUX_0_OUT_ENABLE \
    712	(1 << I40E_PRTTSYN_AUX_0_OUT_ENA_SHIFT)
    713#define I40E_PRTTSYN_AUX_0_OUT_CLK_MOD	(3 << I40E_PRTTSYN_AUX_0_OUTMOD_SHIFT)
    714#define I40E_PRTTSYN_AUX_0_OUT_ENABLE_CLK_MOD \
    715	(I40E_PRTTSYN_AUX_0_OUT_ENABLE | I40E_PRTTSYN_AUX_0_OUT_CLK_MOD)
    716#define I40E_PTP_HALF_SECOND		500000000LL /* nano seconds */
    717#define I40E_PTP_2_SEC_DELAY		2
    718
    719	struct ptp_clock *ptp_clock;
    720	struct ptp_clock_info ptp_caps;
    721	struct sk_buff *ptp_tx_skb;
    722	unsigned long ptp_tx_start;
    723	struct hwtstamp_config tstamp_config;
    724	struct timespec64 ptp_prev_hw_time;
    725	struct work_struct ptp_pps_work;
    726	struct work_struct ptp_extts0_work;
    727	struct work_struct ptp_extts1_work;
    728	ktime_t ptp_reset_start;
    729	struct mutex tmreg_lock; /* Used to protect the SYSTIME registers. */
    730	u32 ptp_adj_mult;
    731	u32 tx_hwtstamp_timeouts;
    732	u32 tx_hwtstamp_skipped;
    733	u32 rx_hwtstamp_cleared;
    734	u32 latch_event_flags;
    735	u64 ptp_pps_start;
    736	u32 pps_delay;
    737	spinlock_t ptp_rx_lock; /* Used to protect Rx timestamp registers. */
    738	struct ptp_pin_desc ptp_pin[3];
    739	unsigned long latch_events[4];
    740	bool ptp_tx;
    741	bool ptp_rx;
    742	struct i40e_ptp_pins_settings *ptp_pins;
    743	u16 rss_table_size; /* HW RSS table size */
    744	u32 max_bw;
    745	u32 min_bw;
    746
    747	u32 ioremap_len;
    748	u32 fd_inv;
    749	u16 phy_led_val;
    750
    751	u16 override_q_count;
    752	u16 last_sw_conf_flags;
    753	u16 last_sw_conf_valid_flags;
    754	/* List to keep previous DDP profiles to be rolled back in the future */
    755	struct list_head ddp_old_prof;
    756};
    757
    758/**
    759 * i40e_mac_to_hkey - Convert a 6-byte MAC Address to a u64 hash key
    760 * @macaddr: the MAC Address as the base key
    761 *
    762 * Simply copies the address and returns it as a u64 for hashing
    763 **/
    764static inline u64 i40e_addr_to_hkey(const u8 *macaddr)
    765{
    766	u64 key = 0;
    767
    768	ether_addr_copy((u8 *)&key, macaddr);
    769	return key;
    770}
    771
    772enum i40e_filter_state {
    773	I40E_FILTER_INVALID = 0,	/* Invalid state */
    774	I40E_FILTER_NEW,		/* New, not sent to FW yet */
    775	I40E_FILTER_ACTIVE,		/* Added to switch by FW */
    776	I40E_FILTER_FAILED,		/* Rejected by FW */
    777	I40E_FILTER_REMOVE,		/* To be removed */
    778/* There is no 'removed' state; the filter struct is freed */
    779};
    780struct i40e_mac_filter {
    781	struct hlist_node hlist;
    782	u8 macaddr[ETH_ALEN];
    783#define I40E_VLAN_ANY -1
    784	s16 vlan;
    785	enum i40e_filter_state state;
    786};
    787
    788/* Wrapper structure to keep track of filters while we are preparing to send
    789 * firmware commands. We cannot send firmware commands while holding a
    790 * spinlock, since it might sleep. To avoid this, we wrap the added filters in
    791 * a separate structure, which will track the state change and update the real
    792 * filter while under lock. We can't simply hold the filters in a separate
    793 * list, as this opens a window for a race condition when adding new MAC
    794 * addresses to all VLANs, or when adding new VLANs to all MAC addresses.
    795 */
    796struct i40e_new_mac_filter {
    797	struct hlist_node hlist;
    798	struct i40e_mac_filter *f;
    799
    800	/* Track future changes to state separately */
    801	enum i40e_filter_state state;
    802};
    803
    804struct i40e_veb {
    805	struct i40e_pf *pf;
    806	u16 idx;
    807	u16 veb_idx;		/* index of VEB parent */
    808	u16 seid;
    809	u16 uplink_seid;
    810	u16 stats_idx;		/* index of VEB parent */
    811	u8  enabled_tc;
    812	u16 bridge_mode;	/* Bridge Mode (VEB/VEPA) */
    813	u16 flags;
    814	u16 bw_limit;
    815	u8  bw_max_quanta;
    816	bool is_abs_credits;
    817	u8  bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
    818	u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
    819	u8  bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
    820	struct kobject *kobj;
    821	bool stat_offsets_loaded;
    822	struct i40e_eth_stats stats;
    823	struct i40e_eth_stats stats_offsets;
    824	struct i40e_veb_tc_stats tc_stats;
    825	struct i40e_veb_tc_stats tc_stats_offsets;
    826};
    827
    828/* struct that defines a VSI, associated with a dev */
    829struct i40e_vsi {
    830	struct net_device *netdev;
    831	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
    832	bool netdev_registered;
    833	bool stat_offsets_loaded;
    834
    835	u32 current_netdev_flags;
    836	DECLARE_BITMAP(state, __I40E_VSI_STATE_SIZE__);
    837#define I40E_VSI_FLAG_FILTER_CHANGED	BIT(0)
    838#define I40E_VSI_FLAG_VEB_OWNER		BIT(1)
    839	unsigned long flags;
    840
    841	/* Per VSI lock to protect elements/hash (MAC filter) */
    842	spinlock_t mac_filter_hash_lock;
    843	/* Fixed size hash table with 2^8 buckets for MAC filters */
    844	DECLARE_HASHTABLE(mac_filter_hash, 8);
    845	bool has_vlan_filter;
    846
    847	/* VSI stats */
    848	struct rtnl_link_stats64 net_stats;
    849	struct rtnl_link_stats64 net_stats_offsets;
    850	struct i40e_eth_stats eth_stats;
    851	struct i40e_eth_stats eth_stats_offsets;
    852	u64 tx_restart;
    853	u64 tx_busy;
    854	u64 tx_linearize;
    855	u64 tx_force_wb;
    856	u64 tx_stopped;
    857	u64 rx_buf_failed;
    858	u64 rx_page_failed;
    859	u64 rx_page_reuse;
    860	u64 rx_page_alloc;
    861	u64 rx_page_waive;
    862	u64 rx_page_busy;
    863
    864	/* These are containers of ring pointers, allocated at run-time */
    865	struct i40e_ring **rx_rings;
    866	struct i40e_ring **tx_rings;
    867	struct i40e_ring **xdp_rings; /* XDP Tx rings */
    868
    869	u32  active_filters;
    870	u32  promisc_threshold;
    871
    872	u16 work_limit;
    873	u16 int_rate_limit;	/* value in usecs */
    874
    875	u16 rss_table_size;	/* HW RSS table size */
    876	u16 rss_size;		/* Allocated RSS queues */
    877	u8  *rss_hkey_user;	/* User configured hash keys */
    878	u8  *rss_lut_user;	/* User configured lookup table entries */
    879
    880
    881	u16 max_frame;
    882	u16 rx_buf_len;
    883
    884	struct bpf_prog *xdp_prog;
    885
    886	/* List of q_vectors allocated to this VSI */
    887	struct i40e_q_vector **q_vectors;
    888	int num_q_vectors;
    889	int base_vector;
    890	bool irqs_ready;
    891
    892	u16 seid;		/* HW index of this VSI (absolute index) */
    893	u16 id;			/* VSI number */
    894	u16 uplink_seid;
    895
    896	u16 base_queue;		/* vsi's first queue in hw array */
    897	u16 alloc_queue_pairs;	/* Allocated Tx/Rx queues */
    898	u16 req_queue_pairs;	/* User requested queue pairs */
    899	u16 num_queue_pairs;	/* Used tx and rx pairs */
    900	u16 num_tx_desc;
    901	u16 num_rx_desc;
    902	enum i40e_vsi_type type;  /* VSI type, e.g., LAN, FCoE, etc */
    903	s16 vf_id;		/* Virtual function ID for SRIOV VSIs */
    904
    905	struct tc_mqprio_qopt_offload mqprio_qopt; /* queue parameters */
    906	struct i40e_tc_configuration tc_config;
    907	struct i40e_aqc_vsi_properties_data info;
    908
    909	/* VSI BW limit (absolute across all TCs) */
    910	u16 bw_limit;		/* VSI BW Limit (0 = disabled) */
    911	u8  bw_max_quanta;	/* Max Quanta when BW limit is enabled */
    912
    913	/* Relative TC credits across VSIs */
    914	u8  bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
    915	/* TC BW limit credits within VSI */
    916	u16  bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
    917	/* TC BW limit max quanta within VSI */
    918	u8  bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];
    919
    920	struct i40e_pf *back;	/* Backreference to associated PF */
    921	u16 idx;		/* index in pf->vsi[] */
    922	u16 veb_idx;		/* index of VEB parent */
    923	struct kobject *kobj;	/* sysfs object */
    924	bool current_isup;	/* Sync 'link up' logging */
    925	enum i40e_aq_link_speed current_speed;	/* Sync link speed logging */
    926
    927	/* channel specific fields */
    928	u16 cnt_q_avail;	/* num of queues available for channel usage */
    929	u16 orig_rss_size;
    930	u16 current_rss_size;
    931	bool reconfig_rss;
    932
    933	u16 next_base_queue;	/* next queue to be used for channel setup */
    934
    935	struct list_head ch_list;
    936	u16 tc_seid_map[I40E_MAX_TRAFFIC_CLASS];
    937
    938	/* macvlan fields */
    939#define I40E_MAX_MACVLANS		128 /* Max HW vectors - 1 on FVL */
    940#define I40E_MIN_MACVLAN_VECTORS	2   /* Min vectors to enable macvlans */
    941	DECLARE_BITMAP(fwd_bitmask, I40E_MAX_MACVLANS);
    942	struct list_head macvlan_list;
    943	int macvlan_cnt;
    944
    945	void *priv;	/* client driver data reference. */
    946
    947	/* VSI specific handlers */
    948	irqreturn_t (*irq_handler)(int irq, void *data);
    949
    950	unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled qps */
    951} ____cacheline_internodealigned_in_smp;
    952
    953struct i40e_netdev_priv {
    954	struct i40e_vsi *vsi;
    955};
    956
    957extern struct ida i40e_client_ida;
    958
    959/* struct that defines an interrupt vector */
    960struct i40e_q_vector {
    961	struct i40e_vsi *vsi;
    962
    963	u16 v_idx;		/* index in the vsi->q_vector array. */
    964	u16 reg_idx;		/* register index of the interrupt */
    965
    966	struct napi_struct napi;
    967
    968	struct i40e_ring_container rx;
    969	struct i40e_ring_container tx;
    970
    971	u8 itr_countdown;	/* when 0 should adjust adaptive ITR */
    972	u8 num_ringpairs;	/* total number of ring pairs in vector */
    973
    974	cpumask_t affinity_mask;
    975	struct irq_affinity_notify affinity_notify;
    976
    977	struct rcu_head rcu;	/* to avoid race with update stats on free */
    978	char name[I40E_INT_NAME_STR_LEN];
    979	bool arm_wb_state;
    980} ____cacheline_internodealigned_in_smp;
    981
    982/* lan device */
    983struct i40e_device {
    984	struct list_head list;
    985	struct i40e_pf *pf;
    986};
    987
    988/**
    989 * i40e_nvm_version_str - format the NVM version strings
    990 * @hw: ptr to the hardware info
    991 **/
    992static inline char *i40e_nvm_version_str(struct i40e_hw *hw)
    993{
    994	static char buf[32];
    995	u32 full_ver;
    996
    997	full_ver = hw->nvm.oem_ver;
    998
    999	if (hw->nvm.eetrack == I40E_OEM_EETRACK_ID) {
   1000		u8 gen, snap;
   1001		u16 release;
   1002
   1003		gen = (u8)(full_ver >> I40E_OEM_GEN_SHIFT);
   1004		snap = (u8)((full_ver & I40E_OEM_SNAP_MASK) >>
   1005			I40E_OEM_SNAP_SHIFT);
   1006		release = (u16)(full_ver & I40E_OEM_RELEASE_MASK);
   1007
   1008		snprintf(buf, sizeof(buf), "%x.%x.%x", gen, snap, release);
   1009	} else {
   1010		u8 ver, patch;
   1011		u16 build;
   1012
   1013		ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT);
   1014		build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) &
   1015			 I40E_OEM_VER_BUILD_MASK);
   1016		patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK);
   1017
   1018		snprintf(buf, sizeof(buf),
   1019			 "%x.%02x 0x%x %d.%d.%d",
   1020			 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >>
   1021				I40E_NVM_VERSION_HI_SHIFT,
   1022			 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >>
   1023				I40E_NVM_VERSION_LO_SHIFT,
   1024			 hw->nvm.eetrack, ver, build, patch);
   1025	}
   1026
   1027	return buf;
   1028}
   1029
   1030/**
   1031 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
   1032 * @netdev: the corresponding netdev
   1033 *
   1034 * Return the PF struct for the given netdev
   1035 **/
   1036static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
   1037{
   1038	struct i40e_netdev_priv *np = netdev_priv(netdev);
   1039	struct i40e_vsi *vsi = np->vsi;
   1040
   1041	return vsi->back;
   1042}
   1043
   1044static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
   1045				irqreturn_t (*irq_handler)(int, void *))
   1046{
   1047	vsi->irq_handler = irq_handler;
   1048}
   1049
   1050/**
   1051 * i40e_get_fd_cnt_all - get the total FD filter space available
   1052 * @pf: pointer to the PF struct
   1053 **/
   1054static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf)
   1055{
   1056	return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count;
   1057}
   1058
   1059/**
   1060 * i40e_read_fd_input_set - reads value of flow director input set register
   1061 * @pf: pointer to the PF struct
   1062 * @addr: register addr
   1063 *
   1064 * This function reads value of flow director input set register
   1065 * specified by 'addr' (which is specific to flow-type)
   1066 **/
   1067static inline u64 i40e_read_fd_input_set(struct i40e_pf *pf, u16 addr)
   1068{
   1069	u64 val;
   1070
   1071	val = i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1));
   1072	val <<= 32;
   1073	val += i40e_read_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0));
   1074
   1075	return val;
   1076}
   1077
   1078/**
   1079 * i40e_write_fd_input_set - writes value into flow director input set register
   1080 * @pf: pointer to the PF struct
   1081 * @addr: register addr
   1082 * @val: value to be written
   1083 *
   1084 * This function writes specified value to the register specified by 'addr'.
   1085 * This register is input set register based on flow-type.
   1086 **/
   1087static inline void i40e_write_fd_input_set(struct i40e_pf *pf,
   1088					   u16 addr, u64 val)
   1089{
   1090	i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 1),
   1091			  (u32)(val >> 32));
   1092	i40e_write_rx_ctl(&pf->hw, I40E_PRTQF_FD_INSET(addr, 0),
   1093			  (u32)(val & 0xFFFFFFFFULL));
   1094}
   1095
   1096/**
   1097 * i40e_get_pf_count - get PCI PF count.
   1098 * @hw: pointer to a hw.
   1099 *
   1100 * Reports the function number of the highest PCI physical
   1101 * function plus 1 as it is loaded from the NVM.
   1102 *
   1103 * Return: PCI PF count.
   1104 **/
   1105static inline u32 i40e_get_pf_count(struct i40e_hw *hw)
   1106{
   1107	return FIELD_GET(I40E_GLGEN_PCIFCNCNT_PCIPFCNT_MASK,
   1108			 rd32(hw, I40E_GLGEN_PCIFCNCNT));
   1109}
   1110
   1111/* needed by i40e_ethtool.c */
   1112int i40e_up(struct i40e_vsi *vsi);
   1113void i40e_down(struct i40e_vsi *vsi);
   1114extern const char i40e_driver_name[];
   1115void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
   1116void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags, bool lock_acquired);
   1117int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
   1118int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
   1119void i40e_fill_rss_lut(struct i40e_pf *pf, u8 *lut,
   1120		       u16 rss_table_size, u16 rss_size);
   1121struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id);
   1122/**
   1123 * i40e_find_vsi_by_type - Find and return Flow Director VSI
   1124 * @pf: PF to search for VSI
   1125 * @type: Value indicating type of VSI we are looking for
   1126 **/
   1127static inline struct i40e_vsi *
   1128i40e_find_vsi_by_type(struct i40e_pf *pf, u16 type)
   1129{
   1130	int i;
   1131
   1132	for (i = 0; i < pf->num_alloc_vsi; i++) {
   1133		struct i40e_vsi *vsi = pf->vsi[i];
   1134
   1135		if (vsi && vsi->type == type)
   1136			return vsi;
   1137	}
   1138
   1139	return NULL;
   1140}
   1141void i40e_update_stats(struct i40e_vsi *vsi);
   1142void i40e_update_veb_stats(struct i40e_veb *veb);
   1143void i40e_update_eth_stats(struct i40e_vsi *vsi);
   1144struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
   1145int i40e_fetch_switch_configuration(struct i40e_pf *pf,
   1146				    bool printconfig);
   1147
   1148int i40e_add_del_fdir(struct i40e_vsi *vsi,
   1149		      struct i40e_fdir_filter *input, bool add);
   1150void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
   1151u32 i40e_get_current_fd_count(struct i40e_pf *pf);
   1152u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf);
   1153u32 i40e_get_current_atr_cnt(struct i40e_pf *pf);
   1154u32 i40e_get_global_fd_count(struct i40e_pf *pf);
   1155bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
   1156void i40e_set_ethtool_ops(struct net_device *netdev);
   1157struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
   1158					const u8 *macaddr, s16 vlan);
   1159void __i40e_del_filter(struct i40e_vsi *vsi, struct i40e_mac_filter *f);
   1160void i40e_del_filter(struct i40e_vsi *vsi, const u8 *macaddr, s16 vlan);
   1161int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
   1162struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
   1163				u16 uplink, u32 param1);
   1164int i40e_vsi_release(struct i40e_vsi *vsi);
   1165void i40e_service_event_schedule(struct i40e_pf *pf);
   1166void i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id,
   1167				  u8 *msg, u16 len);
   1168
   1169int i40e_control_wait_tx_q(int seid, struct i40e_pf *pf, int pf_q, bool is_xdp,
   1170			   bool enable);
   1171int i40e_control_wait_rx_q(struct i40e_pf *pf, int pf_q, bool enable);
   1172int i40e_vsi_start_rings(struct i40e_vsi *vsi);
   1173void i40e_vsi_stop_rings(struct i40e_vsi *vsi);
   1174void i40e_vsi_stop_rings_no_wait(struct  i40e_vsi *vsi);
   1175int i40e_vsi_wait_queues_disabled(struct i40e_vsi *vsi);
   1176int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
   1177struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
   1178				u16 downlink_seid, u8 enabled_tc);
   1179void i40e_veb_release(struct i40e_veb *veb);
   1180
   1181int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
   1182int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
   1183void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
   1184void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
   1185void i40e_pf_reset_stats(struct i40e_pf *pf);
   1186#ifdef CONFIG_DEBUG_FS
   1187void i40e_dbg_pf_init(struct i40e_pf *pf);
   1188void i40e_dbg_pf_exit(struct i40e_pf *pf);
   1189void i40e_dbg_init(void);
   1190void i40e_dbg_exit(void);
   1191#else
   1192static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
   1193static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
   1194static inline void i40e_dbg_init(void) {}
   1195static inline void i40e_dbg_exit(void) {}
   1196#endif /* CONFIG_DEBUG_FS*/
   1197/* needed by client drivers */
   1198int i40e_lan_add_device(struct i40e_pf *pf);
   1199int i40e_lan_del_device(struct i40e_pf *pf);
   1200void i40e_client_subtask(struct i40e_pf *pf);
   1201void i40e_notify_client_of_l2_param_changes(struct i40e_vsi *vsi);
   1202void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset);
   1203void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs);
   1204void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id);
   1205void i40e_client_update_msix_info(struct i40e_pf *pf);
   1206int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id);
   1207/**
   1208 * i40e_irq_dynamic_enable - Enable default interrupt generation settings
   1209 * @vsi: pointer to a vsi
   1210 * @vector: enable a particular Hw Interrupt vector, without base_vector
   1211 **/
   1212static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector)
   1213{
   1214	struct i40e_pf *pf = vsi->back;
   1215	struct i40e_hw *hw = &pf->hw;
   1216	u32 val;
   1217
   1218	val = I40E_PFINT_DYN_CTLN_INTENA_MASK |
   1219	      I40E_PFINT_DYN_CTLN_CLEARPBA_MASK |
   1220	      (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT);
   1221	wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val);
   1222	/* skip the flush */
   1223}
   1224
   1225void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
   1226void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf);
   1227int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
   1228int i40e_open(struct net_device *netdev);
   1229int i40e_close(struct net_device *netdev);
   1230int i40e_vsi_open(struct i40e_vsi *vsi);
   1231void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
   1232int i40e_add_vlan_all_mac(struct i40e_vsi *vsi, s16 vid);
   1233int i40e_vsi_add_vlan(struct i40e_vsi *vsi, u16 vid);
   1234void i40e_rm_vlan_all_mac(struct i40e_vsi *vsi, s16 vid);
   1235void i40e_vsi_kill_vlan(struct i40e_vsi *vsi, u16 vid);
   1236struct i40e_mac_filter *i40e_add_mac_filter(struct i40e_vsi *vsi,
   1237					    const u8 *macaddr);
   1238int i40e_del_mac_filter(struct i40e_vsi *vsi, const u8 *macaddr);
   1239bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
   1240int i40e_count_filters(struct i40e_vsi *vsi);
   1241struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, const u8 *macaddr);
   1242void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
   1243static inline bool i40e_is_sw_dcb(struct i40e_pf *pf)
   1244{
   1245	return !!(pf->flags & I40E_FLAG_DISABLE_FW_LLDP);
   1246}
   1247
   1248#ifdef CONFIG_I40E_DCB
   1249void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
   1250			   struct i40e_dcbx_config *old_cfg,
   1251			   struct i40e_dcbx_config *new_cfg);
   1252void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
   1253void i40e_dcbnl_setup(struct i40e_vsi *vsi);
   1254bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
   1255			    struct i40e_dcbx_config *old_cfg,
   1256			    struct i40e_dcbx_config *new_cfg);
   1257int i40e_hw_dcb_config(struct i40e_pf *pf, struct i40e_dcbx_config *new_cfg);
   1258int i40e_dcb_sw_default_config(struct i40e_pf *pf);
   1259#endif /* CONFIG_I40E_DCB */
   1260void i40e_ptp_rx_hang(struct i40e_pf *pf);
   1261void i40e_ptp_tx_hang(struct i40e_pf *pf);
   1262void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
   1263void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
   1264void i40e_ptp_set_increment(struct i40e_pf *pf);
   1265int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
   1266int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
   1267void i40e_ptp_save_hw_time(struct i40e_pf *pf);
   1268void i40e_ptp_restore_hw_time(struct i40e_pf *pf);
   1269void i40e_ptp_init(struct i40e_pf *pf);
   1270void i40e_ptp_stop(struct i40e_pf *pf);
   1271int i40e_ptp_alloc_pins(struct i40e_pf *pf);
   1272int i40e_update_adq_vsi_queues(struct i40e_vsi *vsi, int vsi_offset);
   1273int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi);
   1274i40e_status i40e_get_partition_bw_setting(struct i40e_pf *pf);
   1275i40e_status i40e_set_partition_bw_setting(struct i40e_pf *pf);
   1276i40e_status i40e_commit_partition_bw_setting(struct i40e_pf *pf);
   1277void i40e_print_link_message(struct i40e_vsi *vsi, bool isup);
   1278
   1279void i40e_set_fec_in_flags(u8 fec_cfg, u32 *flags);
   1280
   1281static inline bool i40e_enabled_xdp_vsi(struct i40e_vsi *vsi)
   1282{
   1283	return !!READ_ONCE(vsi->xdp_prog);
   1284}
   1285
   1286int i40e_create_queue_channel(struct i40e_vsi *vsi, struct i40e_channel *ch);
   1287int i40e_set_bw_limit(struct i40e_vsi *vsi, u16 seid, u64 max_tx_rate);
   1288int i40e_add_del_cloud_filter(struct i40e_vsi *vsi,
   1289			      struct i40e_cloud_filter *filter,
   1290			      bool add);
   1291int i40e_add_del_cloud_filter_big_buf(struct i40e_vsi *vsi,
   1292				      struct i40e_cloud_filter *filter,
   1293				      bool add);
   1294#endif /* _I40E_H_ */