/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (C) 2023 Intel Corporation */
#ifndef _IDPF_H_
#define _IDPF_H_
/* Forward declaration */
struct idpf_adapter;
struct idpf_vport;
struct idpf_vport_max_q;
#include <net/pkt_sched.h>
#include <linux/aer.h>
#include <linux/etherdevice.h>
#include <linux/pci.h>
#include <linux/bitfield.h>
#include <linux/sctp.h>
#include <linux/ethtool_netlink.h>
#include <net/gro.h>
#include "virtchnl2.h"
#include "idpf_txrx.h"
#include "idpf_controlq.h"
#define GETMAXVAL(num_bits) GENMASK((num_bits) - 1, 0)
#define IDPF_NO_FREE_SLOT 0xffff
/* Default Mailbox settings */
#define IDPF_NUM_FILTERS_PER_MSG 20
#define IDPF_NUM_DFLT_MBX_Q 2 /* includes both TX and RX */
#define IDPF_DFLT_MBX_Q_LEN 64
#define IDPF_DFLT_MBX_ID -1
/* maximum number of times to try before resetting mailbox */
#define IDPF_MB_MAX_ERR 20
#define IDPF_NUM_CHUNKS_PER_MSG(struct_sz, chunk_sz) \
((IDPF_CTLQ_MAX_BUF_LEN - (struct_sz)) / (chunk_sz))
#define IDPF_MAX_WAIT 500
/* available message levels */
#define IDPF_AVAIL_NETIF_M (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK)
#define IDPF_DIM_PROFILE_SLOTS 5
#define IDPF_VIRTCHNL_VERSION_MAJOR VIRTCHNL2_VERSION_MAJOR_2
#define IDPF_VIRTCHNL_VERSION_MINOR VIRTCHNL2_VERSION_MINOR_0
/**
* struct idpf_mac_filter
* @list: list member field
* @macaddr: MAC address
* @remove: filter should be removed (virtchnl)
* @add: filter should be added (virtchnl)
*/
struct idpf_mac_filter {
struct list_head list;
u8 macaddr[ETH_ALEN];
bool remove;
bool add;
};
/**
* enum idpf_state - State machine to handle bring up
* @__IDPF_VER_CHECK: Negotiate virtchnl version
* @__IDPF_GET_CAPS: Negotiate capabilities
* @__IDPF_INIT_SW: Init based on given capabilities
* @__IDPF_STATE_LAST: Must be last, used to determine size
*/
enum idpf_state {
__IDPF_VER_CHECK,
__IDPF_GET_CAPS,
__IDPF_INIT_SW,
__IDPF_STATE_LAST,
};
/**
* enum idpf_flags - Hard reset causes.
* @IDPF_HR_FUNC_RESET: Hard reset when TxRx timeout
* @IDPF_HR_DRV_LOAD: Set on driver load for a clean HW
* @IDPF_HR_RESET_IN_PROG: Reset in progress
* @IDPF_REMOVE_IN_PROG: Driver remove in progress
* @IDPF_MB_INTR_MODE: Mailbox in interrupt mode
* @IDPF_VC_CORE_INIT: virtchnl core has been init
* @IDPF_FLAGS_NBITS: Must be last
*/
enum idpf_flags {
IDPF_HR_FUNC_RESET,
IDPF_HR_DRV_LOAD,
IDPF_HR_RESET_IN_PROG,
IDPF_REMOVE_IN_PROG,
IDPF_MB_INTR_MODE,
IDPF_VC_CORE_INIT,
IDPF_FLAGS_NBITS,
};
/**
* enum idpf_cap_field - Offsets into capabilities struct for specific caps
* @IDPF_BASE_CAPS: generic base capabilities
* @IDPF_CSUM_CAPS: checksum offload capabilities
* @IDPF_SEG_CAPS: segmentation offload capabilities
* @IDPF_RSS_CAPS: RSS offload capabilities
* @IDPF_HSPLIT_CAPS: Header split capabilities
* @IDPF_RSC_CAPS: RSC offload capabilities
* @IDPF_OTHER_CAPS: miscellaneous offloads
*
* Used when checking for a specific capability flag since different capability
* sets are not mutually exclusive numerically, the caller must specify which
* type of capability they are checking for.
*/
enum idpf_cap_field {
IDPF_BASE_CAPS = -1,
IDPF_CSUM_CAPS = offsetof(struct virtchnl2_get_capabilities,
csum_caps),
IDPF_SEG_CAPS = offsetof(struct virtchnl2_get_capabilities,
seg_caps),
IDPF_RSS_CAPS = offsetof(struct virtchnl2_get_capabilities,
rss_caps),
IDPF_HSPLIT_CAPS = offsetof(struct virtchnl2_get_capabilities,
hsplit_caps),
IDPF_RSC_CAPS = offsetof(struct virtchnl2_get_capabilities,
rsc_caps),
IDPF_OTHER_CAPS = offsetof(struct virtchnl2_get_capabilities,
other_caps),
};
/**
* enum idpf_vport_state - Current vport state
* @__IDPF_VPORT_DOWN: Vport is down
* @__IDPF_VPORT_UP: Vport is up
* @__IDPF_VPORT_STATE_LAST: Must be last, number of states
*/
enum idpf_vport_state {
__IDPF_VPORT_DOWN,
__IDPF_VPORT_UP,
__IDPF_VPORT_STATE_LAST,
};
/**
* struct idpf_netdev_priv - Struct to store vport back pointer
* @adapter: Adapter back pointer
* @vport: Vport back pointer
* @vport_id: Vport identifier
* @vport_idx: Relative vport index
* @state: See enum idpf_vport_state
* @netstats: Packet and byte stats
* @stats_lock: Lock to protect stats update
*/
struct idpf_netdev_priv {
struct idpf_adapter *adapter;
struct idpf_vport *vport;
u32 vport_id;
u16 vport_idx;
enum idpf_vport_state state;
struct rtnl_link_stats64 netstats;
spinlock_t stats_lock;
};
/**
* struct idpf_reset_reg - Reset register offsets/masks
* @rstat: Reset status register
* @rstat_m: Reset status mask
*/
struct idpf_reset_reg {
void __iomem *rstat;
u32 rstat_m;
};
/**
* struct idpf_vport_max_q - Queue limits
* @max_rxq: Maximum number of RX queues supported
* @max_txq: Maixmum number of TX queues supported
* @max_bufq: In splitq, maximum number of buffer queues supported
* @max_complq: In splitq, maximum number of completion queues supported
*/
struct idpf_vport_max_q {
u16 max_rxq;
u16 max_txq;
u16 max_bufq;
u16 max_complq;
};
/**
* struct idpf_reg_ops - Device specific register operation function pointers
* @ctlq_reg_init: Mailbox control queue register initialization
* @intr_reg_init: Traffic interrupt register initialization
* @mb_intr_reg_init: Mailbox interrupt register initialization
* @reset_reg_init: Reset register initialization
* @trigger_reset: Trigger a reset to occur
*/
struct idpf_reg_ops {
void (*ctlq_reg_init)(struct idpf_ctlq_create_info *cq);
int (*intr_reg_init)(struct idpf_vport *vport);
void (*mb_intr_reg_init)(struct idpf_adapter *adapter);
void (*reset_reg_init)(struct idpf_adapter *adapter);
void (*trigger_reset)(struct idpf_adapter *adapter,
enum idpf_flags trig_cause);
};
/**
* struct idpf_dev_ops - Device specific operations
* @reg_ops: Register operations
*/
struct idpf_dev_ops {
struct idpf_reg_ops reg_ops;
};
/**
* enum idpf_vport_reset_cause - Vport soft reset causes
* @IDPF_SR_Q_CHANGE: Soft reset queue change
* @IDPF_SR_Q_DESC_CHANGE: Soft reset descriptor change
* @IDPF_SR_MTU_CHANGE: Soft reset MTU change
* @IDPF_SR_RSC_CHANGE: Soft reset RSC change
*/
enum idpf_vport_reset_cause {
IDPF_SR_Q_CHANGE,
IDPF_SR_Q_DESC_CHANGE,
IDPF_SR_MTU_CHANGE,
IDPF_SR_RSC_CHANGE,
};
/**
* enum idpf_vport_flags - Vport flags
* @IDPF_VPORT_DEL_QUEUES: To send delete queues message
* @IDPF_VPORT_SW_MARKER: Indicate TX pipe drain software marker packets
* processing is done
* @IDPF_VPORT_FLAGS_NBITS: Must be last
*/
enum idpf_vport_flags {
IDPF_VPORT_DEL_QUEUES,
IDPF_VPORT_SW_MARKER,
IDPF_VPORT_FLAGS_NBITS,
};
struct idpf_port_stats {
struct u64_stats_sync stats_sync;
u64_stats_t rx_hw_csum_err;
u64_stats_t rx_hsplit;
u64_stats_t rx_hsplit_hbo;
u64_stats_t rx_bad_descs;
u64_stats_t tx_linearize;
u64_stats_t tx_busy;
u64_stats_t tx_drops;
u64_stats_t tx_dma_map_errs;
struct virtchnl2_vport_stats vport_stats;
};
/**
* struct idpf_vport - Handle for netdevices and queue resources
* @num_txq: Number of allocated TX queues
* @num_complq: Number of allocated completion queues
* @txq_desc_count: TX queue descriptor count
* @complq_desc_count: Completion queue descriptor count
* @compln_clean_budget: Work budget for completion clean
* @num_txq_grp: Number of TX queue groups
* @txq_grps: Array of TX queue groups
* @txq_model: Split queue or single queue queuing model
* @txqs: Used only in hotpath to get to the right queue very fast
* @crc_enable: Enable CRC insertion offload
* @num_rxq: Number of allocated RX queues
* @num_bufq: Number of allocated buffer queues
* @rxq_desc_count: RX queue descriptor count. *MUST* have enough descriptors
* to complete all buffer descriptors for all buffer queues in
* the worst case.
* @num_bufqs_per_qgrp: Buffer queues per RX queue in a given grouping
* @bufq_desc_count: Buffer queue descriptor count
* @num_rxq_grp: Number of RX queues in a group
* @rxq_grps: Total number of RX groups. Number of groups * number of RX per
* group will yield total number of RX queues.
* @rxq_model: Splitq queue or single queue queuing model
* @rx_ptype_lkup: Lookup table for ptypes on RX
* @adapter: back pointer to associated adapter
* @netdev: Associated net_device. Each vport should have one and only one
* associated netdev.
* @flags: See enum idpf_vport_flags
* @vport_type: Default SRIOV, SIOV, etc.
* @vport_id: Device given vport identifier
* @idx: Software index in adapter vports struct
* @default_vport: Use this vport if one isn't specified
* @base_rxd: True if the driver should use base descriptors instead of flex
* @num_q_vectors: Number of IRQ vectors allocated
* @q_vectors: Array of queue vectors
* @q_vector_idxs: Starting index of queue vectors
* @max_mtu: device given max possible MTU
* @default_mac_addr: device will give a default MAC to use
* @rx_itr_profile: RX profiles for Dynamic Interrupt Moderation
* @tx_itr_profile: TX profiles for Dynamic Interrupt Moderation
* @port_stats: per port csum, header split, and other offload stats
* @link_up: True if link is up
* @link_speed_mbps: Link speed in mbps
* @sw_marker_wq: workqueue for marker packets
*/
struct idpf_vport {
u16 num_txq;
u16 num_complq;
u32 txq_desc_count;
u32 complq_desc_count;
u32 compln_clean_budget;
u16 num_txq_grp;
struct idpf_txq_group *txq_grps;
u32 txq_model;
struct idpf_tx_queue **txqs;
bool crc_enable;
u16 num_rxq;
u16 num_bufq;
u32 rxq_desc_count;
u8 num_bufqs_per_qgrp;
u32 bufq_desc_count[IDPF_MAX_BUFQS_PER_RXQ_GRP];
u16 num_rxq_grp;
struct idpf_rxq_group *rxq_grps;
u32 rxq_model;
struct libeth_rx_pt *rx_ptype_lkup;
struct idpf_adapter *adapter;
struct net_device *netdev;
DECLARE_BITMAP(flags, IDPF_VPORT_FLAGS_NBITS);
u16 vport_type;
u32 vport_id;
u16 idx;
bool default_vport;
bool base_rxd;
u16 num_q_vectors;
struct idpf_q_vector *q_vectors;
u16 *q_vector_idxs;
u16 max_mtu;
u8 default_mac_addr[ETH_ALEN];
u16 rx_itr_profile[IDPF_DIM_PROFILE_SLOTS];
u16 tx_itr_profile[IDPF_DIM_PROFILE_SLOTS];
struct idpf_port_stats port_stats;
bool link_up;
u32 link_speed_mbps;
wait_queue_head_t sw_marker_wq;
};
/**
* enum idpf_user_flags
* @__IDPF_USER_FLAG_HSPLIT: header split state
* @__IDPF_PROMISC_UC: Unicast promiscuous mode
* @__IDPF_PROMISC_MC: Multicast promiscuous mode
* @__IDPF_USER_FLAGS_NBITS: Must be last
*/
enum idpf_user_flags {
__IDPF_USER_FLAG_HSPLIT = 0U,
__IDPF_PROMISC_UC = 32,
__IDPF_PROMISC_MC,
__IDPF_USER_FLAGS_NBITS,
};
/**
* struct idpf_rss_data - Associated RSS data
* @rss_key_size: Size of RSS hash key
* @rss_key: RSS hash key
* @rss_lut_size: Size of RSS lookup table
* @rss_lut: RSS lookup table
* @cached_lut: Used to restore previously init RSS lut
*/
struct idpf_rss_data {
u16 rss_key_size;
u8 *rss_key;
u16 rss_lut_size;
u32 *rss_lut;
u32 *cached_lut;
};
/**
* struct idpf_vport_user_config_data - User defined configuration values for
* each vport.
* @rss_data: See struct idpf_rss_data
* @num_req_tx_qs: Number of user requested TX queues through ethtool
* @num_req_rx_qs: Number of user requested RX queues through ethtool
* @num_req_txq_desc: Number of user requested TX queue descriptors through
* ethtool
* @num_req_rxq_desc: Number of user requested RX queue descriptors through
* ethtool
* @user_flags: User toggled config flags
* @mac_filter_list: List of MAC filters
*
* Used to restore configuration after a reset as the vport will get wiped.
*/
struct idpf_vport_user_config_data {
struct idpf_rss_data rss_data;
u16 num_req_tx_qs;
u16 num_req_rx_qs;
u32 num_req_txq_desc;
u32 num_req_rxq_desc;
DECLARE_BITMAP(user_flags, __IDPF_USER_FLAGS_NBITS);
struct list_head mac_filter_list;
};
/**
* enum idpf_vport_config_flags - Vport config flags
* @IDPF_VPORT_REG_NETDEV: Register netdev
* @IDPF_VPORT_UP_REQUESTED: Set if interface up is requested on core reset
* @IDPF_VPORT_CONFIG_FLAGS_NBITS: Must be last
*/
enum idpf_vport_config_flags {
IDPF_VPORT_REG_NETDEV,
IDPF_VPORT_UP_REQUESTED,
IDPF_VPORT_CONFIG_FLAGS_NBITS,
};
/**
* struct idpf_avail_queue_info
* @avail_rxq: Available RX queues
* @avail_txq: Available TX queues
* @avail_bufq: Available buffer queues
* @avail_complq: Available completion queues
*
* Maintain total queues available after allocating max queues to each vport.
*/
struct idpf_avail_queue_info {
u16 avail_rxq;
u16 avail_txq;
u16 avail_bufq;
u16 avail_complq;
};
/**
* struct idpf_vector_info - Utility structure to pass function arguments as a
* structure
* @num_req_vecs: Vectors required based on the number of queues updated by the
* user via ethtool
* @num_curr_vecs: Current number of vectors, must be >= @num_req_vecs
* @index: Relative starting index for vectors
* @default_vport: Vectors are for default vport
*/
struct idpf_vector_info {
u16 num_req_vecs;
u16 num_curr_vecs;
u16 index;
bool default_vport;
};
/**
* struct idpf_vector_lifo - Stack to maintain vector indexes used for vector
* distribution algorithm
* @top: Points to stack top i.e. next available vector index
* @base: Always points to start of the free pool
* @size: Total size of the vector stack
* @vec_idx: Array to store all the vector indexes
*
* Vector stack maintains all the relative vector indexes at the *adapter*
* level. This stack is divided into 2 parts, first one is called as 'default
* pool' and other one is called 'free pool'. Vector distribution algorithm
* gives priority to default vports in a way that at least IDPF_MIN_Q_VEC
* vectors are allocated per default vport and the relative vector indexes for
* those are maintained in default pool. Free pool contains all the unallocated
* vector indexes which can be allocated on-demand basis. Mailbox vector index
* is maintained in the default pool of the stack.
*/
struct idpf_vector_lifo {
u16 top;
u16 base;
u16 size;
u16 *vec_idx;
};
/**
* struct idpf_vport_config - Vport configuration data
* @user_config: see struct idpf_vport_user_config_data
* @max_q: Maximum possible queues
* @req_qs_chunks: Queue chunk data for requested queues
* @mac_filter_list_lock: Lock to protect mac filters
* @flags: See enum idpf_vport_config_flags
*/
struct idpf_vport_config {
struct idpf_vport_user_config_data user_config;
struct idpf_vport_max_q max_q;
struct virtchnl2_add_queues *req_qs_chunks;
spinlock_t mac_filter_list_lock;
DECLARE_BITMAP(flags, IDPF_VPORT_CONFIG_FLAGS_NBITS);
};
struct idpf_vc_xn_manager;
/**
* struct idpf_adapter - Device data struct generated on probe
* @pdev: PCI device struct given on probe
* @virt_ver_maj: Virtchnl version major
* @virt_ver_min: Virtchnl version minor
* @msg_enable: Debug message level enabled
* @mb_wait_count: Number of times mailbox was attempted initialization
* @state: Init state machine
* @flags: See enum idpf_flags
* @reset_reg: See struct idpf_reset_reg
* @hw: Device access data
* @num_req_msix: Requested number of MSIX vectors
* @num_avail_msix: Available number of MSIX vectors
* @num_msix_entries: Number of entries in MSIX table
* @msix_entries: MSIX table
* @req_vec_chunks: Requested vector chunk data
* @mb_vector: Mailbox vector data
* @vector_stack: Stack to store the msix vector indexes
* @irq_mb_handler: Handler for hard interrupt for mailbox
* @tx_timeout_count: Number of TX timeouts that have occurred
* @avail_queues: Device given queue limits
* @vports: Array to store vports created by the driver
* @netdevs: Associated Vport netdevs
* @vport_params_reqd: Vport params requested
* @vport_params_recvd: Vport params received
* @vport_ids: Array of device given vport identifiers
* @vport_config: Vport config parameters
* @max_vports: Maximum vports that can be allocated
* @num_alloc_vports: Current number of vports allocated
* @next_vport: Next free slot in pf->vport[] - 0-based!
* @init_task: Initialization task
* @init_wq: Workqueue for initialization task
* @serv_task: Periodically recurring maintenance task
* @serv_wq: Workqueue for service task
* @mbx_task: Task to handle mailbox interrupts
* @mbx_wq: Workqueue for mailbox responses
* @vc_event_task: Task to handle out of band virtchnl event notifications
* @vc_event_wq: Workqueue for virtchnl events
* @stats_task: Periodic statistics retrieval task
* @stats_wq: Workqueue for statistics task
* @caps: Negotiated capabilities with device
* @vcxn_mngr: Virtchnl transaction manager
* @dev_ops: See idpf_dev_ops
* @num_vfs: Number of allocated VFs through sysfs. PF does not directly talk
* to VFs but is used to initialize them
* @crc_enable: Enable CRC insertion offload
* @req_tx_splitq: TX split or single queue model to request
* @req_rx_splitq: RX split or single queue model to request
* @vport_ctrl_lock: Lock to protect the vport control flow
* @vector_lock: Lock to protect vector distribution
* @queue_lock: Lock to protect queue distribution
* @vc_buf_lock: Lock to protect virtchnl buffer
*/
struct idpf_adapter {
struct pci_dev *pdev;
u32 virt_ver_maj;
u32 virt_ver_min;
u32 msg_enable;
u32 mb_wait_count;
enum idpf_state state;
DECLARE_BITMAP(flags, IDPF_FLAGS_NBITS);
struct idpf_reset_reg reset_reg;
struct idpf_hw hw;
u16 num_req_msix;
u16 num_avail_msix;
u16 num_msix_entries;
struct msix_entry *msix_entries;
struct virtchnl2_alloc_vectors *req_vec_chunks;
struct idpf_q_vector mb_vector;
struct idpf_vector_lifo vector_stack;
irqreturn_t (*irq_mb_handler)(int irq, void *data);
u32 tx_timeout_count;
struct idpf_avail_queue_info avail_queues;
struct idpf_vport **vports;
struct net_device **netdevs;
struct virtchnl2_create_vport **vport_params_reqd;
struct virtchnl2_create_vport **vport_params_recvd;
u32 *vport_ids;
struct idpf_vport_config **vport_config;
u16 max_vports;
u16 num_alloc_vports;
u16 next_vport;
struct delayed_work init_task;
struct workqueue_struct *init_wq;
struct delayed_work serv_task;
struct workqueue_struct *serv_wq;
struct delayed_work mbx_task;
struct workqueue_struct *mbx_wq;
struct delayed_work vc_event_task;
struct workqueue_struct *vc_event_wq;
struct delayed_work stats_task;
struct workqueue_struct *stats_wq;
struct virtchnl2_get_capabilities caps;
struct idpf_vc_xn_manager *vcxn_mngr;
struct idpf_dev_ops dev_ops;
int num_vfs;
bool crc_enable;
bool req_tx_splitq;
bool req_rx_splitq;
struct mutex vport_ctrl_lock;
struct mutex vector_lock;
struct mutex queue_lock;
struct mutex vc_buf_lock;
};
/**
* idpf_is_queue_model_split - check if queue model is split
* @q_model: queue model single or split
*
* Returns true if queue model is split else false
*/
static inline int idpf_is_queue_model_split(u16 q_model)
{
return !IS_ENABLED(CONFIG_IDPF_SINGLEQ) ||
q_model == VIRTCHNL2_QUEUE_MODEL_SPLIT;
}
#define idpf_is_cap_ena(adapter, field, flag) \
idpf_is_capability_ena(adapter, false, field, flag)
#define idpf_is_cap_ena_all(adapter, field, flag) \
idpf_is_capability_ena(adapter, true, field, flag)
bool idpf_is_capability_ena(struct idpf_adapter *adapter, bool all,
enum idpf_cap_field field, u64 flag);
#define IDPF_CAP_RSS (\
VIRTCHNL2_CAP_RSS_IPV4_TCP |\
VIRTCHNL2_CAP_RSS_IPV4_TCP |\
VIRTCHNL2_CAP_RSS_IPV4_UDP |\
VIRTCHNL2_CAP_RSS_IPV4_SCTP |\
VIRTCHNL2_CAP_RSS_IPV4_OTHER |\
VIRTCHNL2_CAP_RSS_IPV6_TCP |\
VIRTCHNL2_CAP_RSS_IPV6_TCP |\
VIRTCHNL2_CAP_RSS_IPV6_UDP |\
VIRTCHNL2_CAP_RSS_IPV6_SCTP |\
VIRTCHNL2_CAP_RSS_IPV6_OTHER)
#define IDPF_CAP_RSC (\
VIRTCHNL2_CAP_RSC_IPV4_TCP |\
VIRTCHNL2_CAP_RSC_IPV6_TCP)
#define IDPF_CAP_HSPLIT (\
VIRTCHNL2_CAP_RX_HSPLIT_AT_L4V4 |\
VIRTCHNL2_CAP_RX_HSPLIT_AT_L4V6)
#define IDPF_CAP_RX_CSUM_L4V4 (\
VIRTCHNL2_CAP_RX_CSUM_L4_IPV4_TCP |\
VIRTCHNL2_CAP_RX_CSUM_L4_IPV4_UDP)
#define IDPF_CAP_RX_CSUM_L4V6 (\
VIRTCHNL2_CAP_RX_CSUM_L4_IPV6_TCP |\
VIRTCHNL2_CAP_RX_CSUM_L4_IPV6_UDP)
#define IDPF_CAP_RX_CSUM (\
VIRTCHNL2_CAP_RX_CSUM_L3_IPV4 |\
VIRTCHNL2_CAP_RX_CSUM_L4_IPV4_TCP |\
VIRTCHNL2_CAP_RX_CSUM_L4_IPV4_UDP |\
VIRTCHNL2_CAP_RX_CSUM_L4_IPV6_TCP |\
VIRTCHNL2_CAP_RX_CSUM_L4_IPV6_UDP)
#define IDPF_CAP_SCTP_CSUM (\
VIRTCHNL2_CAP_TX_CSUM_L4_IPV4_SCTP |\
VIRTCHNL2_CAP_TX_CSUM_L4_IPV6_SCTP |\
VIRTCHNL2_CAP_RX_CSUM_L4_IPV4_SCTP |\
VIRTCHNL2_CAP_RX_CSUM_L4_IPV6_SCTP)
#define IDPF_CAP_TUNNEL_TX_CSUM (\
VIRTCHNL2_CAP_TX_CSUM_L3_SINGLE_TUNNEL |\
VIRTCHNL2_CAP_TX_CSUM_L4_SINGLE_TUNNEL)
/**
* idpf_get_reserved_vecs - Get reserved vectors
* @adapter: private data struct
*/
static inline u16 idpf_get_reserved_vecs(struct idpf_adapter *adapter)
{
return le16_to_cpu(adapter->caps.num_allocated_vectors);
}
/**
* idpf_get_default_vports - Get default number of vports
* @adapter: private data struct
*/
static inline u16 idpf_get_default_vports(struct idpf_adapter *adapter)
{
return le16_to_cpu(adapter->caps.default_num_vports);
}
/**
* idpf_get_max_vports - Get max number of vports
* @adapter: private data struct
*/
static inline u16 idpf_get_max_vports(struct idpf_adapter *adapter)
{
return le16_to_cpu(adapter->caps.max_vports);
}
/**
* idpf_get_max_tx_bufs - Get max scatter-gather buffers supported by the device
* @adapter: private data struct
*/
static inline unsigned int idpf_get_max_tx_bufs(struct idpf_adapter *adapter)
{
return adapter->caps.max_sg_bufs_per_tx_pkt;
}
/**
* idpf_get_min_tx_pkt_len - Get min packet length supported by the device
* @adapter: private data struct
*/
static inline u8 idpf_get_min_tx_pkt_len(struct idpf_adapter *adapter)
{
u8 pkt_len = adapter->caps.min_sso_packet_len;
return pkt_len ? pkt_len : IDPF_TX_MIN_PKT_LEN;
}
/**
* idpf_get_reg_addr - Get BAR0 register address
* @adapter: private data struct
* @reg_offset: register offset value
*
* Based on the register offset, return the actual BAR0 register address
*/
static inline void __iomem *idpf_get_reg_addr(struct idpf_adapter *adapter,
resource_size_t reg_offset)
{
return (void __iomem *)(adapter->hw.hw_addr + reg_offset);
}
/**
* idpf_is_reset_detected - check if we were reset at some point
* @adapter: driver specific private structure
*
* Returns true if we are either in reset currently or were previously reset.
*/
static inline bool idpf_is_reset_detected(struct idpf_adapter *adapter)
{
if (!adapter->hw.arq)
return true;
return !(readl(idpf_get_reg_addr(adapter, adapter->hw.arq->reg.len)) &
adapter->hw.arq->reg.len_mask);
}
/**
* idpf_is_reset_in_prog - check if reset is in progress
* @adapter: driver specific private structure
*
* Returns true if hard reset is in progress, false otherwise
*/
static inline bool idpf_is_reset_in_prog(struct idpf_adapter *adapter)
{
return (test_bit(IDPF_HR_RESET_IN_PROG, adapter->flags) ||
test_bit(IDPF_HR_FUNC_RESET, adapter->flags) ||
test_bit(IDPF_HR_DRV_LOAD, adapter->flags));
}
/**
* idpf_netdev_to_vport - get a vport handle from a netdev
* @netdev: network interface device structure
*/
static inline struct idpf_vport *idpf_netdev_to_vport(struct net_device *netdev)
{
struct idpf_netdev_priv *np = netdev_priv(netdev);
return np->vport;
}
/**
* idpf_netdev_to_adapter - Get adapter handle from a netdev
* @netdev: Network interface device structure
*/
static inline struct idpf_adapter *idpf_netdev_to_adapter(struct net_device *netdev)
{
struct idpf_netdev_priv *np = netdev_priv(netdev);
return np->adapter;
}
/**
* idpf_is_feature_ena - Determine if a particular feature is enabled
* @vport: Vport to check
* @feature: Netdev flag to check
*
* Returns true or false if a particular feature is enabled.
*/
static inline bool idpf_is_feature_ena(const struct idpf_vport *vport,
netdev_features_t feature)
{
return vport->netdev->features & feature;
}
/**
* idpf_get_max_tx_hdr_size -- get the size of tx header
* @adapter: Driver specific private structure
*/
static inline u16 idpf_get_max_tx_hdr_size(struct idpf_adapter *adapter)
{
return le16_to_cpu(adapter->caps.max_tx_hdr_size);
}
/**
* idpf_vport_ctrl_lock - Acquire the vport control lock
* @netdev: Network interface device structure
*
* This lock should be used by non-datapath code to protect against vport
* destruction.
*/
static inline void idpf_vport_ctrl_lock(struct net_device *netdev)
{
struct idpf_netdev_priv *np = netdev_priv(netdev);
mutex_lock(&np->adapter->vport_ctrl_lock);
}
/**
* idpf_vport_ctrl_unlock - Release the vport control lock
* @netdev: Network interface device structure
*/
static inline void idpf_vport_ctrl_unlock(struct net_device *netdev)
{
struct idpf_netdev_priv *np = netdev_priv(netdev);
mutex_unlock(&np->adapter->vport_ctrl_lock);
}
void idpf_statistics_task(struct work_struct *work);
void idpf_init_task(struct work_struct *work);
void idpf_service_task(struct work_struct *work);
void idpf_mbx_task(struct work_struct *work);
void idpf_vc_event_task(struct work_struct *work);
void idpf_dev_ops_init(struct idpf_adapter *adapter);
void idpf_vf_dev_ops_init(struct idpf_adapter *adapter);
int idpf_intr_req(struct idpf_adapter *adapter);
void idpf_intr_rel(struct idpf_adapter *adapter);
u16 idpf_get_max_tx_hdr_size(struct idpf_adapter *adapter);
int idpf_initiate_soft_reset(struct idpf_vport *vport,
enum idpf_vport_reset_cause reset_cause);
void idpf_deinit_task(struct idpf_adapter *adapter);
int idpf_req_rel_vector_indexes(struct idpf_adapter *adapter,
u16 *q_vector_idxs,
struct idpf_vector_info *vec_info);
void idpf_set_ethtool_ops(struct net_device *netdev);
void idpf_vport_intr_write_itr(struct idpf_q_vector *q_vector,
u16 itr, bool tx);
int idpf_sriov_configure(struct pci_dev *pdev, int num_vfs);
u8 idpf_vport_get_hsplit(const struct idpf_vport *vport);
bool idpf_vport_set_hsplit(const struct idpf_vport *vport, u8 val);
#endif /* !_IDPF_H_ */
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