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/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*/
/* 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"
/* 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_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_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
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 rpc_tid;
struct hw_atl_utils_fw_rpc rpc;
};
struct aq_ring_s;
struct aq_ring_param_s;
struct sk_buff;
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_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_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);
int (*hw_get_fw_version)(struct aq_hw_s *self, u32 *fw_version);
int (*hw_set_offload)(struct aq_hw_s *self,
struct aq_nic_cfg_s *aq_nic_cfg);
int (*hw_set_fc)(struct aq_hw_s *self, u32 fc, u32 tc);
};
struct aq_fw_ops {
int (*init)(struct aq_hw_s *self);
int (*deinit)(struct aq_hw_s *self);
int (*reset)(struct aq_hw_s *self);
int (*renegotiate)(struct aq_hw_s *self);
int (*get_mac_permanent)(struct aq_hw_s *self, u8 *mac);
int (*set_link_speed)(struct aq_hw_s *self, u32 speed);
int (*set_state)(struct aq_hw_s *self,
enum hal_atl_utils_fw_state_e state);
int (*update_link_status)(struct aq_hw_s *self);
int (*update_stats)(struct aq_hw_s *self);
u32 (*get_flow_control)(struct aq_hw_s *self, u32 *fcmode);
int (*set_flow_control)(struct aq_hw_s *self);
int (*set_power)(struct aq_hw_s *self, unsigned int power_state,
u8 *mac);
int (*set_eee_rate)(struct aq_hw_s *self, u32 speed);
int (*get_eee_rate)(struct aq_hw_s *self, u32 *rate,
u32 *supported_rates);
};
#endif /* AQ_HW_H */
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