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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_nic.h: Declaration of common code for NIC. */
#ifndef AQ_NIC_H
#define AQ_NIC_H
#include "aq_common.h"
#include "aq_rss.h"
#include "aq_hw.h"
struct aq_ring_s;
struct aq_hw_ops;
struct aq_fw_s;
struct aq_vec_s;
struct aq_nic_cfg_s {
const struct aq_hw_caps_s *aq_hw_caps;
u64 features;
u32 rxds; /* rx ring size, descriptors # */
u32 txds; /* tx ring size, descriptors # */
u32 vecs; /* vecs==allocated irqs */
u32 irq_type;
u32 itr;
u16 rx_itr;
u16 tx_itr;
u32 num_rss_queues;
u32 mtu;
u32 flow_control;
u32 link_speed_msk;
u32 wol;
u16 is_mc_list_enabled;
u16 mc_list_count;
bool is_autoneg;
bool is_polling;
bool is_rss;
bool is_lro;
u8 tcs;
struct aq_rss_parameters aq_rss;
u32 eee_speeds;
#define AQ_NIC_FLAG_STARTED 0x00000004U
#define AQ_NIC_FLAG_STOPPING 0x00000008U
#define AQ_NIC_FLAG_RESETTING 0x00000010U
#define AQ_NIC_FLAG_CLOSING 0x00000020U
#define AQ_NIC_LINK_DOWN 0x04000000U
#define AQ_NIC_FLAG_ERR_UNPLUG 0x40000000U
#define AQ_NIC_FLAG_ERR_HW 0x80000000U
#define AQ_NIC_TCVEC2RING(_NIC_, _TC_, _VEC_) \
((_TC_) * AQ_CFG_TCS_MAX + (_VEC_))
struct aq_hw_rx_fl2 {
struct aq_rx_filter_vlan aq_vlans[AQ_VLAN_MAX_FILTERS];
struct aq_hw_rx_fl3l4 {
u8 active_ipv4;
u8 active_ipv6:2;
u8 is_ipv6;
struct aq_hw_rx_fltrs_s {
struct hlist_head filter_list;
u16 active_filters;
struct aq_hw_rx_fl2 fl2;
struct aq_hw_rx_fl3l4 fl3l4;
struct aq_nic_s {
atomic_t flags;
struct aq_vec_s *aq_vec[AQ_CFG_VECS_MAX];
struct aq_ring_s *aq_ring_tx[AQ_CFG_VECS_MAX * AQ_CFG_TCS_MAX];
struct aq_hw_s *aq_hw;
struct net_device *ndev;
unsigned int aq_vecs;
unsigned int packet_filter;
unsigned int power_state;
u8 port;
const struct aq_hw_ops *aq_hw_ops;
const struct aq_fw_ops *aq_fw_ops;
struct aq_nic_cfg_s aq_nic_cfg;
struct timer_list service_timer;
struct timer_list polling_timer;
struct aq_hw_link_status_s link_status;
struct {
u32 count;
} mc_list;
/* Bitmask of currently assigned vlans from linux */
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
struct pci_dev *pdev;
unsigned int msix_entry_mask;
u32 irqvecs;
struct aq_hw_rx_fltrs_s aq_hw_rx_fltrs;
static inline struct device *aq_nic_get_dev(struct aq_nic_s *self)
return self->ndev->dev.parent;
void aq_nic_ndev_init(struct aq_nic_s *self);
struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev);
void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx,
struct aq_ring_s *ring);
struct net_device *aq_nic_get_ndev(struct aq_nic_s *self);
int aq_nic_init(struct aq_nic_s *self);
void aq_nic_cfg_start(struct aq_nic_s *self);
int aq_nic_ndev_register(struct aq_nic_s *self);
void aq_nic_ndev_free(struct aq_nic_s *self);
int aq_nic_start(struct aq_nic_s *self);
int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb);
int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p);
int aq_nic_get_regs_count(struct aq_nic_s *self);
void aq_nic_get_stats(struct aq_nic_s *self, u64 *data);
int aq_nic_stop(struct aq_nic_s *self);
void aq_nic_deinit(struct aq_nic_s *self);
void aq_nic_free_hot_resources(struct aq_nic_s *self);
void aq_nic_free_vectors(struct aq_nic_s *self);
int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu);
int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev);
int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags);
int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev);
unsigned int aq_nic_get_link_speed(struct aq_nic_s *self);
void aq_nic_get_link_ksettings(struct aq_nic_s *self,
struct ethtool_link_ksettings *cmd);
int aq_nic_set_link_ksettings(struct aq_nic_s *self,
const struct ethtool_link_ksettings *cmd);
struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self);
u32 aq_nic_get_fw_version(struct aq_nic_s *self);
int aq_nic_change_pm_state(struct aq_nic_s *self, pm_message_t *pm_msg);
int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self);
void aq_nic_shutdown(struct aq_nic_s *self);
#endif /* AQ_NIC_H */