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OpenCloudOS-Kernel/drivers/thirdparty/iavf/iavf.h

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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2013, Intel Corporation. */
#ifndef _IAVF_H_
#define _IAVF_H_
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/aer.h>
#include <linux/netdevice.h>
#include <linux/vmalloc.h>
#include <linux/interrupt.h>
#include <linux/ethtool.h>
#include <linux/if_vlan.h>
#include <linux/ip.h>
#include <linux/tcp.h>
#include <linux/sctp.h>
#include <linux/ipv6.h>
#include <linux/kernel.h>
#include <linux/bitops.h>
#include <linux/timer.h>
#include <linux/workqueue.h>
#include <linux/wait.h>
#include <linux/delay.h>
#include <linux/gfp.h>
#include <linux/skbuff.h>
#include <linux/dma-mapping.h>
#include <linux/etherdevice.h>
#include <linux/socket.h>
#include <linux/jiffies.h>
#include <net/ipv6.h>
#include <net/ip6_checksum.h>
#include <net/udp.h>
#ifdef HAVE_SCTP
#include <linux/sctp.h>
#endif
#ifdef __TC_MQPRIO_MODE_MAX
#include <net/pkt_cls.h>
#include <net/tc_act/tc_gact.h>
#include <net/tc_act/tc_mirred.h>
#endif /* __TC_MQPRIO_MODE_MAX */
#include "kcompat.h"
#include "iavf_type.h"
#include "virtchnl.h"
#include "iavf_txrx.h"
#include "iavf_ptp.h"
#include <linux/bitmap.h>
#define DEFAULT_DEBUG_LEVEL_SHIFT 3
#define PFX "iavf: "
/* VSI state flags shared with common code */
enum iavf_vsi_state_t {
__IAVF_VSI_DOWN,
/* This must be last as it determines the size of the BITMAP */
__IAVF_VSI_STATE_SIZE__,
};
/* dummy struct to make common code less painful */
struct iavf_vsi {
struct iavf_adapter *back;
struct net_device *netdev;
#ifdef HAVE_VLAN_RX_REGISTER
struct vlan_group *vlgrp;
#endif
unsigned long active_cvlans[BITS_TO_LONGS(VLAN_N_VID)];
unsigned long active_svlans[BITS_TO_LONGS(VLAN_N_VID)];
/* dummy pointer - VF plans to add this functionality in the future */
struct iavf_ring **xdp_rings;
u16 seid;
u16 id;
DECLARE_BITMAP(state, __IAVF_VSI_STATE_SIZE__);
int base_vector;
u16 work_limit;
u16 qs_handle;
};
/* How many Rx Buffers do we bundle into one write to the hardware ? */
#define IAVF_RX_BUFFER_WRITE 16 /* Must be power of 2 */
#define IAVF_DEFAULT_TXD 512
#define IAVF_DEFAULT_RXD 512
#define IAVF_MAX_TXD 4096
#define IAVF_MIN_TXD 64
#define IAVF_MAX_RXD 4096
#define IAVF_MIN_RXD 64
#define IAVF_REQ_DESCRIPTOR_MULTIPLE 32
#define IAVF_MAX_AQ_BUF_SIZE 4096
#define IAVF_AQ_LEN 32
#define IAVF_AQ_MAX_ERR 20 /* times to try before resetting AQ */
#define MAXIMUM_ETHERNET_VLAN_SIZE (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN)
#define IAVF_RX_DESC(R, i) (&(((union iavf_32byte_rx_desc *)((R)->desc))[i]))
#define IAVF_TX_DESC(R, i) (&(((struct iavf_tx_desc *)((R)->desc))[i]))
#define IAVF_TX_CTXTDESC(R, i) \
(&(((struct iavf_tx_context_desc *)((R)->desc))[i]))
#define IAVF_MAX_REQ_QUEUES 16
#define IAVF_START_CHNL_TC 1
#define IAVF_HKEY_ARRAY_SIZE ((IAVF_VFQF_HKEY_MAX_INDEX + 1) * 4)
#define IAVF_HLUT_ARRAY_SIZE ((IAVF_VFQF_HLUT_MAX_INDEX + 1) * 4)
#define IAVF_MBPS_DIVISOR 125000 /* divisor to convert to Mbps */
#define IAVF_VIRTCHNL_VF_RESOURCE_SIZE (sizeof(struct virtchnl_vf_resource) + \
(IAVF_MAX_VF_VSI * \
sizeof(struct virtchnl_vsi_resource)))
#define IAVF_NETIF_F_HW_VLAN_BITS
#ifdef NETIF_F_HW_VLAN_CTAG_RX
#define IAVF_NETIF_F_HW_VLAN_CTAG_RX NETIF_F_HW_VLAN_CTAG_RX
#else
#define IAVF_NETIF_F_HW_VLAN_CTAG_RX NETIF_F_HW_VLAN_RX
#endif
#ifdef NETIF_F_HW_VLAN_CTAG_TX
#define IAVF_NETIF_F_HW_VLAN_CTAG_TX NETIF_F_HW_VLAN_CTAG_TX
#else
#define IAVF_NETIF_F_HW_VLAN_CTAG_TX NETIF_F_HW_VLAN_TX
#endif
#ifdef NETIF_F_HW_VLAN_CTAG_FILTER
#define IAVF_NETIF_F_HW_VLAN_CTAG_FILTER NETIF_F_HW_VLAN_CTAG_FILTER
#else
#define IAVF_NETIF_F_HW_VLAN_CTAG_FILTER NETIF_F_HW_VLAN_FILTER
#endif
enum iavf_chnl_vector_state {
IAVF_VEC_IN_BP,
IAVF_VEC_PREV_IN_BP,
IAVF_VEC_ONCE_IN_BP,
IAVF_VEC_PREV_DATA_PKT_RECV,
IAVF_VEC_NBITS, /* This must be last */
};
struct iavf_channel_ex {
atomic_t fd_queue;
u32 fd_cnt_idx;
u16 num_rxq;
u16 base_q;
/* number of filter specific to this channel (aka ADQ TC) */
u32 num_fltr;
};
struct iavf_q_vector_ch_stats {
/* following are used as part of managing driver internal
* state machine. Only to be used for perf debugging.
*/
u64 in_bp;
u64 in_intr;
u64 intr_to_bp;
u64 bp_to_intr;
u64 intr_to_intr;
u64 bp_to_bp;
/* This counter is used to track real transition of vector from
* BUSY_POLL to INTERRUPT based on enhanced logic (using state
* machine and control packets).
*/
u64 unlikely_cb_to_bp;
/* Tracking "unlikely_cb_bp and once_in_bp is true" */
u64 ucb_once_in_bp_true;
/* This is used to keep track of enabling interrupt from napi_poll
* when state machine condition indicated once_in_bp is false
*/
u64 intr_once_bp_false;
u64 bp_stop_need_resched;
u64 bp_stop_timeout;
u64 cleaned_any_data_pkt;
/* busy_poll stop, need_resched is set and did not clean
* any data packet during this previous invocation of napi_poll
*/
u64 need_resched_no_data_pkt;
/* busy_poll stop, need_resched is not set: hence it is inferred as
* possible timeout and did not clean any data packet during this
* previous invocation of napi_poll
*/
u64 timeout_no_data_pkt;
u64 sw_intr_timeout; /* track SW INTR from napi_poll */
u64 sw_intr_serv_task; /* track SW INTR from service_task */
/* This keeps track of how many times, bailout when once_in_bp is set,
* unlikely_cb_to_bp is set, but pkt based interrupt optimization
* is OFF
*/
u64 no_sw_intr_opt_off;
/* tracking, how many times WB_ON_ITR is set */
u64 wb_on_itr_set;
/* keeps track of SW triggered interrupt due to not clean_complete */
u64 intr_en_not_clean_complete;
};
/* MAX_MSIX_Q_VECTORS of these are allocated,
* but we only use one per queue-specific vector.
*/
struct iavf_q_vector {
struct iavf_adapter *adapter;
struct iavf_vsi *vsi;
struct napi_struct napi;
struct iavf_ring_container rx;
struct iavf_ring_container tx;
u32 ring_mask;
u8 itr_countdown; /* when 0 should adjust adaptive ITR */
u8 num_ringpairs; /* total number of ring pairs in vector */
u16 v_idx; /* index in the vsi->q_vector array. */
u16 reg_idx; /* register index of the interrupt */
char name[IFNAMSIZ + 15];
bool arm_wb_state;
#ifdef HAVE_IRQ_AFFINITY_NOTIFY
cpumask_t affinity_mask;
struct irq_affinity_notify affinity_notify;
#endif
/* This tracks current state of vector, BUSY_POLL or INTR */
#define IAVF_VECTOR_STATE_IN_BP BIT(IAVF_VEC_IN_BP)
/* This tracks prev state of vector, BUSY_POLL or INTR */
#define IAVF_VECTOR_STATE_PREV_IN_BP BIT(IAVF_VEC_PREV_IN_BP)
/* This tracks state of vector, was the ever in BUSY_POLL. This
* state goes to INTT if interrupt are enabled or SW interrupts
* are triggered from either service_task or napi_poll
*/
#define IAVF_VECTOR_STATE_ONCE_IN_BP BIT(IAVF_VEC_ONCE_IN_BP)
/* Tracks if previously - were there any data packets received
* on per channel enabled vector or not
*/
#define IAVF_VECTOR_STATE_PREV_DATA_PKT_RECV BIT(IAVF_VEC_PREV_DATA_PKT_RECV)
/* it is used to keep track of various states as defined earlier
* and those states are used during ADQ performance optimization
*/
u8 state_flags;
#define IAVF_VECTOR_CHNL_PERF_ENA BIT(0)
/* controls packet inspection based optimization is OFF/ON */
#define IAVF_VECTOR_CHNL_PKT_OPT_ENA BIT(1)
u16 chnl_flags;
/* Used in logic to determine if SW inter is needed or not.
* This is used only for channel enabled vector
*/
u64 jiffies;
struct iavf_channel_ex *ch;
struct iavf_q_vector_ch_stats ch_stats;
};
static inline bool vector_pkt_inspect_opt_ena(struct iavf_q_vector *q_vector)
{
return q_vector->chnl_flags & IAVF_VECTOR_CHNL_PKT_OPT_ENA;
}
static inline bool vector_ch_ena(struct iavf_q_vector *qv)
{
return !!qv->ch;
}
static inline bool vector_ch_perf_ena(struct iavf_q_vector *qv)
{
return qv->chnl_flags & IAVF_VECTOR_CHNL_PERF_ENA;
}
/**
* vector_busypoll_intr
* @qv: pointer to q_vector
*
* This function returns true if vector is transitioning from BUSY_POLL
* to INTERRUPT based on current and previous state of vector
*/
static inline bool vector_busypoll_intr(struct iavf_q_vector *qv)
{
return (qv->state_flags & IAVF_VECTOR_STATE_PREV_IN_BP) &&
!(qv->state_flags & IAVF_VECTOR_STATE_IN_BP);
}
/**
* vector_ever_in_busypoll
* @qv: pointer to q_vector
*
* This function returns true if vectors current OR previous state
* is BUSY_POLL
*/
static inline bool vector_ever_in_busypoll(struct iavf_q_vector *qv)
{
return (qv->state_flags & IAVF_VECTOR_STATE_PREV_IN_BP) ||
(qv->state_flags & IAVF_VECTOR_STATE_IN_BP);
}
/**
* vector_state_curr_prev_intr
* @qv: pointer to q_vector
*
* This function returns true if vectors current AND previous state
* is INTERRUPT
*/
static inline bool vector_state_curr_prev_intr(struct iavf_q_vector *qv)
{
return !(qv->state_flags & IAVF_VECTOR_STATE_PREV_IN_BP) &&
!(qv->state_flags & IAVF_VECTOR_STATE_IN_BP);
}
/**
* vector_intr_busypoll
* @qv: pointer to q_vector
*
* This function returns true if vector is transitioning from INTERRUPT
* to BUSY_POLL based on current and previous state of vector
*/
static inline bool vector_intr_busypoll(struct iavf_q_vector *qv)
{
return !(qv->state_flags & IAVF_VECTOR_STATE_PREV_IN_BP) &&
(qv->state_flags & IAVF_VECTOR_STATE_IN_BP);
}
/**
* iavf_inc_napi_sw_intr_counter
* @q_vector: pointer to q_vector
*
* Track software interrupt from napi_poll codeflow. Caller of this
* expected to call iavf_force_wb to actually trigger SW intr.
*/
static inline void
iavf_inc_napi_sw_intr_counter(struct iavf_q_vector *q_vector)
{
q_vector->ch_stats.sw_intr_timeout++;
}
/**
* iavf_inc_serv_task_sw_intr_counter
* @q_vector: pointer to q_vector
*
* Track software interrupt from service_task codeflow. Caller of this
* expected to call iavf_force_wb to actually trigger SW intr.
*/
static inline void
iavf_inc_serv_task_sw_intr_counter(struct iavf_q_vector *q_vector)
{
q_vector->ch_stats.sw_intr_serv_task++;
}
/**
* iavf_set_wb_on_itr - trigger force write-back by setting WB_ON_ITR bit
* @hw: ptr to HW
* @qv: pointer to vector
*
* This function is used to force write-backs by setting WB_ON_ITR bit
* in DYN_CTLN register. WB_ON_ITR and INTENA are mutually exclusive bits.
* Seting WB_ON_ITR bits means TX and RX descriptors are written back based
* on ITR expiration irrespective of INTENA setting
*/
static inline void
iavf_set_wb_on_itr(struct iavf_hw *hw, struct iavf_q_vector *qv)
{
qv->ch_stats.wb_on_itr_set++;
wr32(hw, IAVF_VFINT_DYN_CTLN1(qv->reg_idx),
IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK |
IAVF_VFINT_DYN_CTLN1_WB_ON_ITR_MASK);
}
/* Helper macros to switch between ints/sec and what the register uses.
* And yes, it's the same math going both ways. The lowest value
* supported by all of the iavf hardware is 8.
*/
#define EITR_INTS_PER_SEC_TO_REG(_eitr) \
((_eitr) ? (1000000000 / ((_eitr) * 256)) : 8)
#define EITR_REG_TO_INTS_PER_SEC EITR_INTS_PER_SEC_TO_REG
#define IAVF_DESC_UNUSED(R) \
((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
(R)->next_to_clean - (R)->next_to_use - 1)
#define OTHER_VECTOR 1
#define NONQ_VECS (OTHER_VECTOR)
#define MIN_MSIX_Q_VECTORS 1
#define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NONQ_VECS)
#define IAVF_QUEUE_END_OF_LIST 0x7FF
#define IAVF_FREE_VECTOR 0x7FFF
struct iavf_mac_filter {
struct list_head list;
u8 macaddr[ETH_ALEN];
bool is_new_mac; /* filter is new, wait for PF decision */
bool remove; /* filter needs to be removed */
bool add; /* filter needs to be added */
bool is_primary; /* filter is a default VF MAC */
};
#define IAVF_VLAN(vid, tpid) ((struct iavf_vlan){ vid, tpid })
struct iavf_vlan {
u16 vid;
u16 tpid;
};
struct iavf_vlan_filter {
struct list_head list;
struct iavf_vlan vlan;
bool remove; /* filter needs to be removed */
bool add; /* filter needs to be added */
};
/* State of traffic class creation */
enum iavf_tc_state_t {
__IAVF_TC_INVALID, /* no traffic class, default state */
__IAVF_TC_RUNNING, /* traffic classes have been created */
};
/* channel info */
struct iavf_channel_config {
struct virtchnl_channel_info ch_info[VIRTCHNL_MAX_ADQ_V2_CHANNELS];
enum iavf_tc_state_t state;
u8 total_qps;
struct iavf_channel_ex ch_ex_info[VIRTCHNL_MAX_ADQ_V2_CHANNELS];
};
/* State of cloud filter */
enum iavf_cloud_filter_state_t {
__IAVF_CF_INVALID, /* cloud filter not added */
__IAVF_CF_ADD_PENDING, /* cloud filter pending add by the PF */
__IAVF_CF_DEL_PENDING, /* cloud filter pending del by the PF */
__IAVF_CF_ACTIVE, /* cloud filter is active */
};
/* Driver state. The order of these is important! */
enum iavf_state_t {
__IAVF_STARTUP, /* driver loaded, probe complete */
__IAVF_REMOVE, /* driver is being unloaded */
__IAVF_INIT_VERSION_CHECK, /* aq msg sent, awaiting reply */
__IAVF_INIT_GET_RESOURCES, /* aq msg sent, awaiting reply */
__IAVF_INIT_EXTENDED_CAPS, /* process extended caps which require aq msg exchange */
__IAVF_INIT_CONFIG_ADAPTER,
__IAVF_INIT_SW, /* got resources, setting up structs */
__IAVF_INIT_FAILED, /* init failed, restarting procedure */
__IAVF_RESETTING, /* in reset */
__IAVF_COMM_FAILED, /* communication with PF failed */
/* Below here, watchdog is running */
__IAVF_DOWN, /* ready, can be opened */
__IAVF_DOWN_PENDING, /* descending, waiting for watchdog */
__IAVF_TESTING, /* in ethtool self-test */
__IAVF_RUNNING /* opened, working */
};
enum iavf_critical_section_t {
__IAVF_IN_CRITICAL_TASK, /* cannot be interrupted */
__IAVF_IN_REMOVE_TASK, /* device being removed */
__IAVF_TX_TSTAMP_IN_PROGRESS, /* PTP Tx timestamp request in progress */
};
#define IAVF_CLOUD_FIELD_OMAC 0x01
#define IAVF_CLOUD_FIELD_IMAC 0x02
#define IAVF_CLOUD_FIELD_IVLAN 0x04
#define IAVF_CLOUD_FIELD_TEN_ID 0x08
#define IAVF_CLOUD_FIELD_IIP 0x10
#define IAVF_CF_FLAGS_OMAC IAVF_CLOUD_FIELD_OMAC
#define IAVF_CF_FLAGS_IMAC IAVF_CLOUD_FIELD_IMAC
#define IAVF_CF_FLAGS_IMAC_IVLAN (IAVF_CLOUD_FIELD_IMAC |\
IAVF_CLOUD_FIELD_IVLAN)
#define IAVF_CF_FLAGS_IMAC_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\
IAVF_CLOUD_FIELD_TEN_ID)
#define IAVF_CF_FLAGS_OMAC_TEN_ID_IMAC (IAVF_CLOUD_FIELD_OMAC |\
IAVF_CLOUD_FIELD_IMAC |\
IAVF_CLOUD_FIELD_TEN_ID)
#define IAVF_CF_FLAGS_IMAC_IVLAN_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\
IAVF_CLOUD_FIELD_IVLAN |\
IAVF_CLOUD_FIELD_TEN_ID)
#define IAVF_CF_FLAGS_IIP IAVF_CLOUD_FIELD_IIP
/* bookkeeping of cloud filters */
struct iavf_cloud_filter {
enum iavf_cloud_filter_state_t state;
struct list_head list;
struct virtchnl_filter f;
unsigned long cookie;
bool del; /* filter needs to be deleted */
bool add; /* filter needs to be added */
struct iavf_channel_ex *ch;
};
#define IAVF_RESET_WAIT_MS 10
#define IAVF_RESET_WAIT_DETECTED_COUNT 500
#define IAVF_RESET_WAIT_COMPLETE_COUNT 2000
/* board specific private data structure */
struct iavf_adapter {
struct work_struct adminq_task;
struct delayed_work watchdog_task;
wait_queue_head_t down_waitqueue;
struct iavf_q_vector *q_vectors;
struct list_head vlan_filter_list;
struct list_head mac_filter_list;
/* Lock to protect accesses to MAC and VLAN lists */
spinlock_t mac_vlan_list_lock;
char misc_vector_name[IFNAMSIZ + 9];
u8 rxdid;
int num_active_queues;
int num_req_queues;
/* TX */
struct iavf_ring *tx_rings;
u32 tx_timeout_count;
u32 tx_desc_count;
/* RX */
struct iavf_ring *rx_rings;
u64 hw_csum_rx_error;
u32 rx_desc_count;
int num_msix_vectors;
struct msix_entry *msix_entries;
u32 flags;
#define IAVF_FLAG_RX_CSUM_ENABLED BIT(0)
#define IAVF_FLAG_PF_COMMS_FAILED BIT(3)
#define IAVF_FLAG_RESET_PENDING BIT(4)
#define IAVF_FLAG_RESET_NEEDED BIT(5)
#define IAVF_FLAG_WB_ON_ITR_CAPABLE BIT(6)
#define IAVF_FLAG_LEGACY_RX BIT(15)
#define IAVF_FLAG_REINIT_ITR_NEEDED BIT(16)
#define IAVF_FLAG_QUEUES_ENABLED BIT(17)
#define IAVF_FLAG_QUEUES_DISABLED BIT(18)
#define IAVF_FLAG_REINIT_MSIX_NEEDED BIT(20)
#define IAVF_FLAG_REINIT_CHNL_NEEDED BIT(21)
#define IAVF_FLAG_RESET_DETECTED BIT(22)
u32 chnl_perf_flags;
#define IAVF_FLAG_CHNL_PKT_OPT_ENA BIT(0)
/* duplicates for common code */
#define IAVF_FLAG_DCB_ENABLED 0
/* flags for admin queue service task */
u64 aq_required;
#define IAVF_FLAG_AQ_ENABLE_QUEUES BIT(0)
#define IAVF_FLAG_AQ_DISABLE_QUEUES BIT(1)
#define IAVF_FLAG_AQ_ADD_MAC_FILTER BIT(2)
#define IAVF_FLAG_AQ_ADD_VLAN_FILTER BIT(3)
#define IAVF_FLAG_AQ_DEL_MAC_FILTER BIT(4)
#define IAVF_FLAG_AQ_DEL_VLAN_FILTER BIT(5)
#define IAVF_FLAG_AQ_CONFIGURE_QUEUES BIT(6)
#define IAVF_FLAG_AQ_MAP_VECTORS BIT(7)
#define IAVF_FLAG_AQ_HANDLE_RESET BIT(8)
#define IAVF_FLAG_AQ_CONFIGURE_RSS BIT(9) /* direct AQ config */
#define IAVF_FLAG_AQ_GET_CONFIG BIT(10)
/* Newer style, RSS done by the PF so we can ignore hardware vagaries. */
#define IAVF_FLAG_AQ_GET_HENA BIT(11)
#define IAVF_FLAG_AQ_SET_HENA BIT(12)
#define IAVF_FLAG_AQ_SET_RSS_KEY BIT(13)
#define IAVF_FLAG_AQ_SET_RSS_LUT BIT(14)
#define IAVF_FLAG_AQ_CONFIGURE_PROMISC_MODE BIT(15)
#define IAVF_FLAG_AQ_ENABLE_VLAN_STRIPPING BIT(19)
#define IAVF_FLAG_AQ_DISABLE_VLAN_STRIPPING BIT(20)
#define IAVF_FLAG_AQ_ENABLE_CHANNELS BIT(21)
#define IAVF_FLAG_AQ_DISABLE_CHANNELS BIT(22)
#define IAVF_FLAG_AQ_ADD_CLOUD_FILTER BIT(23)
#define IAVF_FLAG_AQ_DEL_CLOUD_FILTER BIT(24)
#define IAVF_FLAG_AQ_REQUEST_STATS BIT(25)
#define IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS BIT(26)
#define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_STRIPPING BIT(27)
#define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_STRIPPING BIT(28)
#define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_STRIPPING BIT(29)
#define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_STRIPPING BIT(30)
#define IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_INSERTION BIT(31)
#define IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_INSERTION BIT(32)
#define IAVF_FLAG_AQ_ENABLE_STAG_VLAN_INSERTION BIT(33)
#define IAVF_FLAG_AQ_DISABLE_STAG_VLAN_INSERTION BIT(34)
#define IAVF_FLAG_AQ_GET_SUPPORTED_RXDIDS BIT(35)
#define IAVF_FLAG_AQ_GET_PTP_CAPS BIT(36)
#define IAVF_FLAG_AQ_SEND_PTP_CMD BIT(37)
/* AQ messages that must be sent after IAVF_FLAG_AQ_GET_CONFIG, in
* order to negotiated extended capabilities.
*/
#define IAVF_FLAG_AQ_EXTENDED_CAPS \
(IAVF_FLAG_AQ_GET_OFFLOAD_VLAN_V2_CAPS | \
IAVF_FLAG_AQ_GET_SUPPORTED_RXDIDS | \
IAVF_FLAG_AQ_GET_PTP_CAPS)
/* flags for processing extended capability messages during
* __IAVF_INIT_EXTENDED_CAPS. Each capability exchange requires
* both a SEND and a RECV step, which must be processed in sequence.
*
* During the __IAVF_INIT_EXTENDED_CAPS state, the driver will
* process one flag at a time during each state loop.
*/
u64 extended_caps;
#define IAVF_EXTENDED_CAP_SEND_VLAN_V2 BIT(0)
#define IAVF_EXTENDED_CAP_RECV_VLAN_V2 BIT(1)
#define IAVF_EXTENDED_CAP_SEND_RXDID BIT(2)
#define IAVF_EXTENDED_CAP_RECV_RXDID BIT(3)
#define IAVF_EXTENDED_CAP_SEND_PTP BIT(4)
#define IAVF_EXTENDED_CAP_RECV_PTP BIT(5)
#define IAVF_EXTENDED_CAPS \
(IAVF_EXTENDED_CAP_SEND_VLAN_V2 | \
IAVF_EXTENDED_CAP_RECV_VLAN_V2 | \
IAVF_EXTENDED_CAP_SEND_RXDID | \
IAVF_EXTENDED_CAP_RECV_RXDID | \
IAVF_EXTENDED_CAP_SEND_PTP | \
IAVF_EXTENDED_CAP_RECV_PTP)
/* Lock to prevent possible clobbering of
* current_netdev_promisc_flags
*/
spinlock_t current_netdev_promisc_flags_lock;
#ifdef HAVE_RHEL6_NET_DEVICE_OPS_EXT
u32 current_netdev_promisc_flags;
#else
netdev_features_t current_netdev_promisc_flags;
#endif /* HAVE_RHEL6_NET_DEVICE_OPS_EXT */
/* OS defined structs */
struct net_device *netdev;
struct pci_dev *pdev;
struct net_device_stats net_stats;
struct iavf_hw hw; /* defined in iavf_type.h */
enum iavf_state_t state;
enum iavf_state_t last_state;
unsigned long crit_section;
bool netdev_registered;
bool link_up;
enum virtchnl_link_speed link_speed;
#ifdef VIRTCHNL_VF_CAP_ADV_LINK_SPEED
/* This is only populated if the VIRTCHNL_VF_CAP_ADV_LINK_SPEED is set
* in vf_res->vf_cap_flags. Use ADV_LINK_SUPPORT macro to determine if
* this field is valid. This field should be used going forward and the
* enum virtchnl_link_speed above should be considered the legacy way of
* storing/communicating link speeds.
*/
u32 link_speed_mbps;
#endif /* VIRTCHNL_VF_CAP_ADV_LINK_SPEED */
enum virtchnl_ops current_op;
#define CLIENT_ALLOWED(_a) ((_a)->vf_res ? \
(_a)->vf_res->vf_cap_flags & \
VIRTCHNL_VF_OFFLOAD_IWARP : \
0)
#define CLIENT_ENABLED(_a) ((_a)->cinst != NULL)
/* RSS by the PF should be preferred over RSS via other methods. */
#define RSS_PF(_a) ((_a)->vf_res->vf_cap_flags & \
VIRTCHNL_VF_OFFLOAD_RSS_PF)
#define RSS_AQ(_a) ((_a)->vf_res->vf_cap_flags & \
VIRTCHNL_VF_OFFLOAD_RSS_AQ)
#define RSS_REG(_a) (!((_a)->vf_res->vf_cap_flags & \
(VIRTCHNL_VF_OFFLOAD_RSS_AQ | \
VIRTCHNL_VF_OFFLOAD_RSS_PF)))
#define VLAN_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
VIRTCHNL_VF_OFFLOAD_VLAN)
#define VLAN_V2_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
VIRTCHNL_VF_OFFLOAD_VLAN_V2)
#define VLAN_V2_FILTERING_ALLOWED(_a) \
(VLAN_V2_ALLOWED((_a)) && \
((_a)->vlan_v2_caps.filtering.filtering_support.outer || \
(_a)->vlan_v2_caps.filtering.filtering_support.inner))
#define VLAN_FILTERING_ALLOWED(_a) \
(VLAN_ALLOWED((_a)) || VLAN_V2_FILTERING_ALLOWED((_a)))
#ifdef VIRTCHNL_VF_CAP_ADV_LINK_SPEED
#define ADV_LINK_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \
VIRTCHNL_VF_CAP_ADV_LINK_SPEED)
#endif /* VIRTCHNL_VF_CAP_ADV_LINK_SPEED */
#define ADQ_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
VIRTCHNL_VF_OFFLOAD_ADQ)
#define ADQ_V2_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
VIRTCHNL_VF_OFFLOAD_ADQ_V2)
#define RXDID_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC)
#define PTP_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
VIRTCHNL_VF_CAP_PTP)
struct virtchnl_vf_resource *vf_res; /* incl. all VSIs */
struct virtchnl_vsi_resource *vsi_res; /* our LAN VSI */
struct virtchnl_version_info pf_version;
#define PF_IS_V11(_a) (((_a)->pf_version.major == 1) && \
((_a)->pf_version.minor == 1))
struct virtchnl_vlan_caps vlan_v2_caps;
struct virtchnl_supported_rxdids supported_rxdids;
struct iavf_ptp ptp;
u16 msg_enable;
struct iavf_eth_stats current_stats;
struct iavf_vsi vsi;
u32 aq_wait_count;
/* RSS stuff */
u64 hena;
u16 rss_key_size;
u16 rss_lut_size;
u8 *rss_key;
u8 *rss_lut;
/* ADQ related members */
struct iavf_channel_config ch_config;
u8 num_tc;
struct list_head cloud_filter_list;
/* lock to protect access to the cloud filter list */
spinlock_t cloud_filter_list_lock;
/* max allowed ADQ filters */
#define IAVF_MAX_CLOUD_ADQ_FILTERS 128
u16 num_cloud_filters;
/* snapshot of "num_active_queues" before setup_tc for qdisc add
* is invoked. This information is useful during qdisc del flow,
* to restore correct number of queues
*/
int orig_num_active_queues;
#ifdef IAVF_ADD_PROBES
u64 tcp_segs;
u64 udp_segs;
u64 tx_tcp_cso;
u64 tx_udp_cso;
u64 tx_sctp_cso;
u64 tx_ip4_cso;
u64 tx_vlano;
u64 tx_ad_vlano;
u64 rx_tcp_cso;
u64 rx_udp_cso;
u64 rx_sctp_cso;
u64 rx_ip4_cso;
u64 rx_vlano;
u64 rx_ad_vlano;
u64 rx_tcp_cso_err;
u64 hw_csum_rx_vxlan;
u64 hw_csum_rx_geneve;
u64 hw_csum_rx_outer;
u64 rx_udp_cso_err;
u64 rx_sctp_cso_err;
u64 rx_ip4_cso_err;
#endif
};
/* Ethtool Private Flags */
/* needed by iavf_ethtool.c */
extern char iavf_driver_name[];
extern const char iavf_driver_version[];
extern struct workqueue_struct *iavf_wq;
/**
* iavf_is_adq_enabled - adq enabled or not
* @adapter: pointer to adapter
*
* This function returns true based on negotiated capability of ADQ,
* num_tc and channel config state and channel config state is _RUNNING and ADQ
* has been successfully configured
**/
static inline bool iavf_is_adq_enabled(struct iavf_adapter *adapter)
{
return (ADQ_ALLOWED(adapter) &&
(adapter->num_tc >= IAVF_START_CHNL_TC) &&
(adapter->ch_config.state == __IAVF_TC_RUNNING));
}
/**
* iavf_is_adq_v2_enabled - adq v2 enabled or not
* @adapter: pointer to adapter
*
* This function returns true based on negotiated capability ADQ_V2
* if set and basic ADQ enabled
**/
static inline bool iavf_is_adq_v2_enabled(struct iavf_adapter *adapter)
{
return (iavf_is_adq_enabled(adapter) && ADQ_V2_ALLOWED(adapter));
}
/**
* iavf_chnl_filters_exist - channel filters exists
* @adapter: pointer to adapter
*
* This function returns true if adq_v2_enabled is true and if there
* are active filters otherwise false
**/
static inline bool iavf_chnl_filters_exist(struct iavf_adapter *adapter)
{
return (iavf_is_adq_v2_enabled(adapter) &&
adapter->num_cloud_filters) ? true : false;
}
static inline void iavf_change_state(struct iavf_adapter *adapter,
enum iavf_state_t state)
{
if (adapter->state != state) {
adapter->last_state = adapter->state;
adapter->state = state;
}
}
/**
* iavf_is_reset - Check if reset has been triggered
* @hw: pointer to iavf_hw
*
* Return true if reset has been already triggered, false otherwise
*
**/
static inline bool iavf_is_reset(struct iavf_hw *hw)
{
return !(rd32(hw, IAVF_VF_ARQLEN1) & IAVF_VF_ARQLEN1_ARQENABLE_MASK);
}
/**
* iavf_force_wb - Issue SW Interrupt so HW does a wb
* @vsi: the VSI we care about
* @q_vector: the vector on which to force writeback
*
**/
static inline void iavf_force_wb(struct iavf_vsi *vsi,
struct iavf_q_vector *q_vector)
{
u32 val = IAVF_VFINT_DYN_CTLN1_INTENA_MASK |
IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK | /* set noitr */
IAVF_VFINT_DYN_CTLN1_SWINT_TRIG_MASK |
IAVF_VFINT_DYN_CTLN1_SW_ITR_INDX_ENA_MASK
/* allow 00 to be written to the index */;
if (vector_ch_ena(q_vector))
q_vector->state_flags &= ~IAVF_VECTOR_STATE_ONCE_IN_BP;
wr32(&vsi->back->hw,
IAVF_VFINT_DYN_CTLN1(q_vector->reg_idx),
val);
}
int iavf_up(struct iavf_adapter *adapter);
void iavf_down(struct iavf_adapter *adapter);
int iavf_process_config(struct iavf_adapter *adapter);
int iavf_parse_vf_resource_msg(struct iavf_adapter *adapter);
void iavf_schedule_reset(struct iavf_adapter *adapter);
void iavf_schedule_request_stats(struct iavf_adapter *adapter);
void iavf_reset(struct iavf_adapter *adapter);
void iavf_set_ethtool_ops(struct net_device *netdev);
void iavf_update_stats(struct iavf_adapter *adapter);
void iavf_reset_interrupt_capability(struct iavf_adapter *adapter);
int iavf_init_interrupt_scheme(struct iavf_adapter *adapter);
void iavf_irq_enable_queues(struct iavf_adapter *adapter, u32 mask);
void iavf_free_all_tx_resources(struct iavf_adapter *adapter);
void iavf_free_all_rx_resources(struct iavf_adapter *adapter);
void iavf_napi_add_all(struct iavf_adapter *adapter);
void iavf_napi_del_all(struct iavf_adapter *adapter);
int iavf_send_api_ver(struct iavf_adapter *adapter);
int iavf_verify_api_ver(struct iavf_adapter *adapter);
int iavf_send_vf_config_msg(struct iavf_adapter *adapter);
int iavf_get_vf_config(struct iavf_adapter *adapter);
int iavf_get_vf_vlan_v2_caps(struct iavf_adapter *adapter);
int iavf_send_vf_offload_vlan_v2_msg(struct iavf_adapter *adapter);
int iavf_send_vf_supported_rxdids_msg(struct iavf_adapter *adapter);
int iavf_get_vf_supported_rxdids(struct iavf_adapter *adapter);
int iavf_send_vf_ptp_caps_msg(struct iavf_adapter *adapter);
int iavf_get_vf_ptp_caps(struct iavf_adapter *adapter);
void iavf_set_queue_vlan_tag_loc(struct iavf_adapter *adapter);
void iavf_irq_enable(struct iavf_adapter *adapter, bool flush);
void iavf_configure_queues(struct iavf_adapter *adapter);
void iavf_deconfigure_queues(struct iavf_adapter *adapter);
void iavf_enable_queues(struct iavf_adapter *adapter);
void iavf_disable_queues(struct iavf_adapter *adapter);
void iavf_map_queues(struct iavf_adapter *adapter);
int iavf_request_queues(struct iavf_adapter *adapter, int num);
void iavf_add_ether_addrs(struct iavf_adapter *adapter);
void iavf_del_ether_addrs(struct iavf_adapter *adapter);
void iavf_add_vlans(struct iavf_adapter *adapter);
void iavf_del_vlans(struct iavf_adapter *adapter);
void iavf_set_promiscuous(struct iavf_adapter *adapter);
bool iavf_promiscuous_mode_changed(struct iavf_adapter *adapter);
void iavf_request_stats(struct iavf_adapter *adapter);
int iavf_request_reset(struct iavf_adapter *adapter);
void iavf_get_hena(struct iavf_adapter *adapter);
void iavf_set_hena(struct iavf_adapter *adapter);
void iavf_set_rss_key(struct iavf_adapter *adapter);
void iavf_set_rss_lut(struct iavf_adapter *adapter);
void iavf_enable_vlan_stripping(struct iavf_adapter *adapter);
void iavf_disable_vlan_stripping(struct iavf_adapter *adapter);
void iavf_virtchnl_completion(struct iavf_adapter *adapter,
enum virtchnl_ops v_opcode,
enum iavf_status v_retval, u8 *msg, u16 msglen);
int iavf_config_rss(struct iavf_adapter *adapter);
void iavf_enable_channels(struct iavf_adapter *adapter);
void iavf_disable_channels(struct iavf_adapter *adapter);
void iavf_add_cloud_filter(struct iavf_adapter *adapter);
void iavf_del_cloud_filter(struct iavf_adapter *adapter);
void iavf_enable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
void iavf_disable_vlan_stripping_v2(struct iavf_adapter *adapter, u16 tpid);
void iavf_enable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
void iavf_disable_vlan_insertion_v2(struct iavf_adapter *adapter, u16 tpid);
int iavf_replace_primary_mac(struct iavf_adapter *adapter,
const u8 *new_mac);
void iavf_setup_ch_info(struct iavf_adapter *adapter, u32 flags);
#ifdef CONFIG_DEBUG_FS
void iavf_dbg_vf_init(struct iavf_adapter *adapter);
void iavf_dbg_vf_exit(struct iavf_adapter *adapter);
void iavf_dbg_init(void);
void iavf_dbg_exit(void);
#endif /* CONFIG_DEBUG_FS*/
#endif /* _IAVF_H_ */
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