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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2019 aQuantia Corporation. All rights reserved
*/
/* File aq_hw.h: Declaration of abstract interface for NIC hardware specific
* functions.
*/
#ifndef AQ_HW_H
#define AQ_HW_H
#include "aq_common.h"
#include "aq_rss.h"
#include "hw_atl/hw_atl_utils.h"
#define AQ_HW_MAC_COUNTER_HZ 312500000ll
#define AQ_HW_PHY_COUNTER_HZ 160000000ll
#define AQ_RX_FIRST_LOC_FVLANID 0U
#define AQ_RX_LAST_LOC_FVLANID 15U
#define AQ_RX_FIRST_LOC_FETHERT 16U
#define AQ_RX_LAST_LOC_FETHERT 31U
#define AQ_RX_FIRST_LOC_FL3L4 32U
#define AQ_RX_LAST_LOC_FL3L4 39U
#define AQ_RX_MAX_RXNFC_LOC AQ_RX_LAST_LOC_FL3L4
#define AQ_VLAN_MAX_FILTERS \
(AQ_RX_LAST_LOC_FVLANID - AQ_RX_FIRST_LOC_FVLANID + 1U)
#define AQ_RX_QUEUE_NOT_ASSIGNED 0xFFU
/* NIC H/W capabilities */
struct aq_hw_caps_s {
u64 hw_features;
u64 link_speed_msk;
unsigned int hw_priv_flags;
u32 media_type;
u32 rxds_max;
u32 txds_max;
u32 rxds_min;
u32 txds_min;
u32 txhwb_alignment;
u32 irq_mask;
u32 vecs;
u32 mtu;
u32 mac_regs_count;
u32 hw_alive_check_addr;
u8 msix_irqs;
u8 tcs;
u8 rxd_alignment;
u8 rxd_size;
u8 txd_alignment;
u8 txd_size;
u8 tx_rings;
u8 rx_rings;
bool flow_control;
bool is_64_dma;
};
struct aq_hw_link_status_s {
unsigned int mbps;
};
struct aq_stats_s {
u64 uprc;
u64 mprc;
u64 bprc;
u64 erpt;
u64 uptc;
u64 mptc;
u64 bptc;
u64 erpr;
u64 mbtc;
u64 bbtc;
u64 mbrc;
u64 bbrc;
u64 ubrc;
u64 ubtc;
u64 dpc;
u64 dma_pkt_rc;
u64 dma_pkt_tc;
u64 dma_oct_rc;
u64 dma_oct_tc;
};
#define AQ_HW_IRQ_INVALID 0U
#define AQ_HW_IRQ_LEGACY 1U
#define AQ_HW_IRQ_MSI 2U
#define AQ_HW_IRQ_MSIX 3U
#define AQ_HW_SERVICE_IRQS 1U
#define AQ_HW_POWER_STATE_D0 0U
#define AQ_HW_POWER_STATE_D3 3U
#define AQ_HW_FLAG_STARTED 0x00000004U
#define AQ_HW_FLAG_STOPPING 0x00000008U
#define AQ_HW_FLAG_RESETTING 0x00000010U
#define AQ_HW_FLAG_CLOSING 0x00000020U
#define AQ_HW_PTP_AVAILABLE 0x01000000U
#define AQ_HW_LINK_DOWN 0x04000000U
#define AQ_HW_FLAG_ERR_UNPLUG 0x40000000U
#define AQ_HW_FLAG_ERR_HW 0x80000000U
#define AQ_HW_FLAG_ERRORS (AQ_HW_FLAG_ERR_HW | AQ_HW_FLAG_ERR_UNPLUG)
#define AQ_NIC_FLAGS_IS_NOT_READY (AQ_NIC_FLAG_STOPPING | \
AQ_NIC_FLAG_RESETTING | AQ_NIC_FLAG_CLOSING | \
AQ_NIC_FLAG_ERR_UNPLUG | AQ_NIC_FLAG_ERR_HW)
#define AQ_NIC_FLAGS_IS_NOT_TX_READY (AQ_NIC_FLAGS_IS_NOT_READY | \
AQ_NIC_LINK_DOWN)
#define AQ_HW_MEDIA_TYPE_TP 1U
#define AQ_HW_MEDIA_TYPE_FIBRE 2U
#define AQ_HW_TXD_MULTIPLE 8U
#define AQ_HW_RXD_MULTIPLE 8U
#define AQ_HW_MULTICAST_ADDRESS_MAX 32U
#define AQ_HW_LED_BLINK 0x2U
#define AQ_HW_LED_DEFAULT 0x0U
enum aq_priv_flags {
AQ_HW_LOOPBACK_DMA_SYS,
AQ_HW_LOOPBACK_PKT_SYS,
AQ_HW_LOOPBACK_DMA_NET,
AQ_HW_LOOPBACK_PHYINT_SYS,
AQ_HW_LOOPBACK_PHYEXT_SYS,
};
#define AQ_HW_LOOPBACK_MASK (BIT(AQ_HW_LOOPBACK_DMA_SYS) |\
BIT(AQ_HW_LOOPBACK_PKT_SYS) |\
BIT(AQ_HW_LOOPBACK_DMA_NET) |\
BIT(AQ_HW_LOOPBACK_PHYINT_SYS) |\
BIT(AQ_HW_LOOPBACK_PHYEXT_SYS))
#define ATL_HW_CHIP_MIPS 0x00000001U
#define ATL_HW_CHIP_TPO2 0x00000002U
#define ATL_HW_CHIP_RPF2 0x00000004U
#define ATL_HW_CHIP_MPI_AQ 0x00000010U
#define ATL_HW_CHIP_ATLANTIC 0x00800000U
#define ATL_HW_CHIP_REVISION_A0 0x01000000U
#define ATL_HW_CHIP_REVISION_B0 0x02000000U
#define ATL_HW_CHIP_REVISION_B1 0x04000000U
#define ATL_HW_CHIP_ANTIGUA 0x08000000U
#define ATL_HW_IS_CHIP_FEATURE(_HW_, _F_) (!!(ATL_HW_CHIP_##_F_ & \
(_HW_)->chip_features))
struct aq_hw_s {
atomic_t flags;
u8 rbl_enabled:1;
struct aq_nic_cfg_s *aq_nic_cfg;
const struct aq_fw_ops *aq_fw_ops;
void __iomem *mmio;
struct aq_hw_link_status_s aq_link_status;
struct hw_atl_utils_mbox mbox;
struct hw_atl_stats_s last_stats;
struct aq_stats_s curr_stats;
u64 speed;
u32 itr_tx;
u32 itr_rx;
unsigned int chip_features;
u32 fw_ver_actual;
atomic_t dpc;
u32 mbox_addr;
u32 rpc_addr;
u32 settings_addr;
u32 rpc_tid;
struct hw_atl_utils_fw_rpc rpc;
s64 ptp_clk_offset;
u16 phy_id;
void *priv;
};
struct aq_ring_s;
struct aq_ring_param_s;
struct sk_buff;
struct aq_rx_filter_l3l4;
struct aq_hw_ops {
int (*hw_ring_tx_xmit)(struct aq_hw_s *self, struct aq_ring_s *aq_ring,
unsigned int frags);
int (*hw_ring_rx_receive)(struct aq_hw_s *self,
struct aq_ring_s *aq_ring);
int (*hw_ring_rx_fill)(struct aq_hw_s *self, struct aq_ring_s *aq_ring,
unsigned int sw_tail_old);
int (*hw_ring_tx_head_update)(struct aq_hw_s *self,
struct aq_ring_s *aq_ring);
int (*hw_set_mac_address)(struct aq_hw_s *self, u8 *mac_addr);
int (*hw_soft_reset)(struct aq_hw_s *self);
int (*hw_prepare)(struct aq_hw_s *self,
const struct aq_fw_ops **fw_ops);
int (*hw_reset)(struct aq_hw_s *self);
int (*hw_init)(struct aq_hw_s *self, u8 *mac_addr);
int (*hw_start)(struct aq_hw_s *self);
int (*hw_stop)(struct aq_hw_s *self);
int (*hw_ring_tx_init)(struct aq_hw_s *self, struct aq_ring_s *aq_ring,
struct aq_ring_param_s *aq_ring_param);
int (*hw_ring_tx_start)(struct aq_hw_s *self,
struct aq_ring_s *aq_ring);
int (*hw_ring_tx_stop)(struct aq_hw_s *self,
struct aq_ring_s *aq_ring);
int (*hw_ring_rx_init)(struct aq_hw_s *self,
struct aq_ring_s *aq_ring,
struct aq_ring_param_s *aq_ring_param);
int (*hw_ring_rx_start)(struct aq_hw_s *self,
struct aq_ring_s *aq_ring);
int (*hw_ring_rx_stop)(struct aq_hw_s *self,
struct aq_ring_s *aq_ring);
int (*hw_irq_enable)(struct aq_hw_s *self, u64 mask);
int (*hw_irq_disable)(struct aq_hw_s *self, u64 mask);
int (*hw_irq_read)(struct aq_hw_s *self, u64 *mask);
int (*hw_packet_filter_set)(struct aq_hw_s *self,
unsigned int packet_filter);
int (*hw_filter_l3l4_set)(struct aq_hw_s *self,
struct aq_rx_filter_l3l4 *data);
int (*hw_filter_l3l4_clear)(struct aq_hw_s *self,
struct aq_rx_filter_l3l4 *data);
int (*hw_filter_l2_set)(struct aq_hw_s *self,
struct aq_rx_filter_l2 *data);
int (*hw_filter_l2_clear)(struct aq_hw_s *self,
struct aq_rx_filter_l2 *data);
int (*hw_filter_vlan_set)(struct aq_hw_s *self,
struct aq_rx_filter_vlan *aq_vlans);
int (*hw_filter_vlan_ctrl)(struct aq_hw_s *self, bool enable);
int (*hw_multicast_list_set)(struct aq_hw_s *self,
u8 ar_mac[AQ_HW_MULTICAST_ADDRESS_MAX]
[ETH_ALEN],
u32 count);
int (*hw_interrupt_moderation_set)(struct aq_hw_s *self);
int (*hw_rss_set)(struct aq_hw_s *self,
struct aq_rss_parameters *rss_params);
int (*hw_rss_hash_set)(struct aq_hw_s *self,
struct aq_rss_parameters *rss_params);
int (*hw_get_regs)(struct aq_hw_s *self,
const struct aq_hw_caps_s *aq_hw_caps,
u32 *regs_buff);
struct aq_stats_s *(*hw_get_hw_stats)(struct aq_hw_s *self);
u32 (*hw_get_fw_version)(struct aq_hw_s *self);
int (*hw_set_offload)(struct aq_hw_s *self,
struct aq_nic_cfg_s *aq_nic_cfg);
int (*hw_tx_tc_mode_get)(struct aq_hw_s *self, u32 *tc_mode);
int (*hw_rx_tc_mode_get)(struct aq_hw_s *self, u32 *tc_mode);
int (*hw_ring_hwts_rx_fill)(struct aq_hw_s *self,
struct aq_ring_s *aq_ring);
int (*hw_ring_hwts_rx_receive)(struct aq_hw_s *self,
struct aq_ring_s *ring);
void (*hw_get_ptp_ts)(struct aq_hw_s *self, u64 *stamp);
int (*hw_adj_clock_freq)(struct aq_hw_s *self, s32 delta);
int (*hw_adj_sys_clock)(struct aq_hw_s *self, s64 delta);
int (*hw_set_sys_clock)(struct aq_hw_s *self, u64 time, u64 ts);
int (*hw_ts_to_sys_clock)(struct aq_hw_s *self, u64 ts, u64 *time);
int (*hw_gpio_pulse)(struct aq_hw_s *self, u32 index, u64 start,
u32 period);
int (*hw_extts_gpio_enable)(struct aq_hw_s *self, u32 index,
u32 enable);
int (*hw_get_sync_ts)(struct aq_hw_s *self, u64 *ts);
u16 (*rx_extract_ts)(struct aq_hw_s *self, u8 *p, unsigned int
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