path: root/drivers/net/ethernet/intel/i40e/i40e.h

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 2013 - 2021 Intel Corporation. */

#ifndef _I40E_H_
#define _I40E_H_

#include <linux/pci.h>
#include <linux/ptp_clock_kernel.h>
#include <linux/types.h>
#include <linux/avf/virtchnl.h>
#include <linux/net/intel/i40e_client.h>
#include <net/devlink.h>
#include <net/pkt_cls.h>
#include <net/udp_tunnel.h>
#include "i40e_dcb.h"
#include "i40e_debug.h"
#include "i40e_devlink.h"
#include "i40e_io.h"
#include "i40e_prototype.h"
#include "i40e_register.h"
#include "i40e_txrx.h"

/* Useful i40e defaults */
#define I40E_MAX_VEB			16

#define I40E_MAX_NUM_DESCRIPTORS	4096
#define I40E_MAX_NUM_DESCRIPTORS_XL710	8160
#define I40E_MAX_CSR_SPACE		(4 * 1024 * 1024 - 64 * 1024)
#define I40E_DEFAULT_NUM_DESCRIPTORS	512
#define I40E_REQ_DESCRIPTOR_MULTIPLE	32
#define I40E_MIN_NUM_DESCRIPTORS	64
#define I40E_MIN_MSIX			2
#define I40E_DEFAULT_NUM_VMDQ_VSI	8 /* max 256 VSIs */
#define I40E_MIN_VSI_ALLOC		83 /* LAN, ATR, FCOE, 64 VF */
/* max 16 qps */
#define i40e_default_queues_per_vmdq(pf) \
	(test_bit(I40E_HW_CAP_RSS_AQ, (pf)->hw.caps) ? 4 : 1)
#define I40E_DEFAULT_QUEUES_PER_VF	4
#define I40E_MAX_VF_QUEUES		16
#define i40e_pf_get_max_q_per_tc(pf) \
	(test_bit(I40E_HW_CAP_128_QP_RSS, (pf)->hw.caps) ? 128 : 64)
#define I40E_FDIR_RING_COUNT		32
#define I40E_MAX_AQ_BUF_SIZE		4096
#define I40E_AQ_LEN			256
#define I40E_MIN_ARQ_LEN		1
#define I40E_MIN_ASQ_LEN		2
#define I40E_AQ_WORK_LIMIT		66 /* max number of VFs + a little */
#define I40E_MAX_USER_PRIORITY		8
#define I40E_DEFAULT_TRAFFIC_CLASS	BIT(0)
#define I40E_QUEUE_WAIT_RETRY_LIMIT	10
#define I40E_INT_NAME_STR_LEN		(IFNAMSIZ + 16)

#define I40E_PHY_DEBUG_ALL \
	(I40E_AQ_PHY_DEBUG_DISABLE_LINK_FW | \
	I40E_AQ_PHY_DEBUG_DISABLE_ALL_LINK_FW)

#define I40E_OEM_EETRACK_ID		0xffffffff
#define I40E_NVM_VERSION_LO_MASK	GENMASK(7, 0)
#define I40E_NVM_VERSION_HI_MASK	GENMASK(15, 12)
#define I40E_OEM_VER_BUILD_MASK		GENMASK(23, 8)
#define I40E_OEM_VER_PATCH_MASK		GENMASK(7, 0)
#define I40E_OEM_VER_MASK		GENMASK(31, 24)
#define I40E_OEM_GEN_MASK		GENMASK(31, 24)
#define I40E_OEM_SNAP_MASK		GENMASK(23, 16)
#define I40E_OEM_RELEASE_MASK		GENMASK(15, 0)

#define I40E_RX_DESC(R, i)	\
	(&(((union i40e_rx_desc *)((R)->desc))[i]))
#define I40E_TX_DESC(R, i)	\
	(&(((struct i40e_tx_desc *)((R)->desc))[i]))
#define I40E_TX_CTXTDESC(R, i)	\
	(&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
#define I40E_TX_FDIRDESC(R, i)	\
	(&(((struct i40e_filter_program_desc *)((R)->desc))[i]))

/* BW rate limiting */
#define I40E_BW_CREDIT_DIVISOR		50 /* 50Mbps per BW credit */
#define I40E_BW_MBPS_DIVISOR		125000 /* rate / (1000000 / 8) Mbps */
#define I40E_MAX_BW_INACTIVE_ACCUM	4 /* accumulate 4 credits max */

/* driver state flags */
enum i40e_state {
	__I40E_TESTING,
	__I40E_CONFIG_BUSY,
	__I40E_CONFIG_DONE,
	__I40E_DOWN,
	__I40E_SERVICE_SCHED,
	__I40E_ADMINQ_EVENT_PENDING,
	__I40E_MDD_EVENT_PENDING,
	__I40E_VFLR_EVENT_PENDING,
	__I40E_RESET_RECOVERY_PENDING,
	__I40E_TIMEOUT_RECOVERY_PENDING,
	__I40E_MISC_IRQ_REQUESTED,
	__I40E_RESET_INTR_RECEIVED,
	__I40E_REINIT_REQUESTED,
	__I40E_PF_RESET_REQUESTED,
	__I40E_PF_RESET_AND_REBUILD_REQUESTED,
	__I40E_CORE_RESET_REQUESTED,
	__I40E_GLOBAL_RESET_REQUESTED</