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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: Declaraion of abstract interface for NIC hardware specific
* functions.
*/
#ifndef AQ_HW_H
#define AQ_HW_H
#include "aq_common.h"
/* NIC H/W capabilities */
struct aq_hw_caps_s {
u64 hw_features;
u64 link_speed_msk;
unsigned int hw_priv_flags;
u32 rxds;
u32 txds;
u32 txhwb_alignment;
u32 irq_mask;
u32 vecs;
u32 mtu;
u32 mac_regs_count;
u8 ports;
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;
u32 fw_ver_expected;
};
struct aq_hw_link_status_s {
unsigned int mbps;
};
#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)
struct aq_hw_s {
struct aq_obj_s header;
struct aq_nic_cfg_s *aq_nic_cfg;
struct aq_pci_func_s *aq_pci_func;
void __iomem *mmio;
unsigned int not_ff_addr;
struct aq_hw_link_status_s aq_link_status;
};
struct aq_ring_s;
struct aq_ring_param_s;
struct aq_nic_cfg_s;
struct sk_buff;
struct aq_hw_ops {
struct aq_hw_s *(*create)(struct aq_pci_func_s *aq_pci_func,
unsigned int port, struct aq_hw_ops *ops);
void (*destroy)(struct aq_hw_s *self);
int (*get_hw_caps)(struct aq_hw_s *self,
struct aq_hw_caps_s *aq_hw_caps);
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_get_mac_permanent)(struct aq_hw_s *self,
struct aq_hw_caps_s *aq_hw_caps,
u8 *mac);
int (*hw_set_mac_address)(struct aq_hw_s *self, u8 *mac_addr);
int (*hw_get_link_status)(struct aq_hw_s *self);
int (*hw_set_link_speed)(struct aq_hw_s *self, u32 speed);
int (*hw_reset)(struct aq_hw_s *self);
int (*hw_init)(struct aq_hw_s *self, struct aq_nic_cfg_s *aq_nic_cfg,
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_CFG_MULTICAST_ADDRESS_MAX]
[ETH_ALEN],
u32 count);
int (*hw_interrupt_moderation_set)(struct aq_hw_s *self,
bool itr_enabled);
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,
struct aq_hw_caps_s *aq_hw_caps, u32 *regs_buff);
int (*hw_get_hw_stats)(struct aq_hw_s *self, u64 *data,
unsigned int *p_count);
int (*hw_get_fw_version)(struct aq_hw_s *self, u32 *fw_version);
int (*hw_deinit)(struct aq_hw_s *self);
int (*hw_set_power)(struct aq_hw_s *self, unsigned int power_state);
};
#endif /* AQ_HW_H */
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