LXR linux/drivers/net/ethernet/aquantia/atlantic/aq

   1/*
   2 * aQuantia Corporation Network Driver
   3 * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
   4 *
   5 * This program is free software; you can redistribute it and/or modify it
   6 * under the terms and conditions of the GNU General Public License,
   7 * version 2, as published by the Free Software Foundation.
   8 */
   9
  10/* File aq_nic.h: Declaration of common code for NIC. */
  11
  12#ifndef AQ_NIC_H
  13#define AQ_NIC_H
  14
  15#include "aq_common.h"
  16#include "aq_rss.h"
  17#include "aq_hw.h"
  18
  19struct aq_ring_s;
  20struct aq_hw_ops;
  21struct aq_fw_s;
  22struct aq_vec_s;
  23
  24struct aq_nic_cfg_s {
  25        const struct aq_hw_caps_s *aq_hw_caps;
  26        u64 features;
  27        u32 rxds;               /* rx ring size, descriptors # */
  28        u32 txds;               /* tx ring size, descriptors # */
  29        u32 vecs;               /* vecs==allocated irqs */
  30        u32 irq_type;
  31        u32 itr;
  32        u16 rx_itr;
  33        u16 tx_itr;
  34        u32 num_rss_queues;
  35        u32 mtu;
  36        u32 flow_control;
  37        u32 link_speed_msk;
  38        u32 wol;
  39        u16 is_mc_list_enabled;
  40        u16 mc_list_count;
  41        bool is_autoneg;
  42        bool is_polling;
  43        bool is_rss;
  44        bool is_lro;
  45        u8  tcs;
  46        struct aq_rss_parameters aq_rss;
  47        u32 eee_speeds;
  48};
  49
  50#define AQ_NIC_FLAG_STARTED     0x00000004U
  51#define AQ_NIC_FLAG_STOPPING    0x00000008U
  52#define AQ_NIC_FLAG_RESETTING   0x00000010U
  53#define AQ_NIC_FLAG_CLOSING     0x00000020U
  54#define AQ_NIC_LINK_DOWN        0x04000000U
  55#define AQ_NIC_FLAG_ERR_UNPLUG  0x40000000U
  56#define AQ_NIC_FLAG_ERR_HW      0x80000000U
  57
  58#define AQ_NIC_WOL_ENABLED      BIT(0)
  59
  60#define AQ_NIC_TCVEC2RING(_NIC_, _TC_, _VEC_) \
  61        ((_TC_) * AQ_CFG_TCS_MAX + (_VEC_))
  62
  63struct aq_hw_rx_fl2 {
  64        struct aq_rx_filter_vlan aq_vlans[AQ_VLAN_MAX_FILTERS];
  65};
  66
  67struct aq_hw_rx_fl3l4 {
  68        u8   active_ipv4;
  69        u8   active_ipv6:2;
  70        u8 is_ipv6;
  71};
  72
  73struct aq_hw_rx_fltrs_s {
  74        struct hlist_head     filter_list;
  75        u16                   active_filters;
  76        struct aq_hw_rx_fl2   fl2;
  77        struct aq_hw_rx_fl3l4 fl3l4;
  78};
  79
  80struct aq_nic_s {
  81        atomic_t flags;
  82        struct aq_vec_s *aq_vec[AQ_CFG_VECS_MAX];
  83        struct aq_ring_s *aq_ring_tx[AQ_CFG_VECS_MAX * AQ_CFG_TCS_MAX];
  84        struct aq_hw_s *aq_hw;
  85        struct net_device *ndev;
  86        unsigned int aq_vecs;
  87        unsigned int packet_filter;
  88        unsigned int power_state;
  89        u8 port;
  90        const struct aq_hw_ops *aq_hw_ops;
  91        const struct aq_fw_ops *aq_fw_ops;
  92        struct aq_nic_cfg_s aq_nic_cfg;
  93        struct timer_list service_timer;
  94        struct timer_list polling_timer;
  95        struct aq_hw_link_status_s link_status;
  96        struct {
  97                u32 count;
  98                u8 ar[AQ_HW_MULTICAST_ADDRESS_MAX][ETH_ALEN];
  99        } mc_list;
 100        /* Bitmask of currently assigned vlans from linux */
 101        unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
 102
 103        struct pci_dev *pdev;
 104        unsigned int msix_entry_mask;
 105        u32 irqvecs;
 106        struct aq_hw_rx_fltrs_s aq_hw_rx_fltrs;
 107};
 108
 109static inline struct device *aq_nic_get_dev(struct aq_nic_s *self)
 110{
 111        return self->ndev->dev.parent;
 112}
 113
 114void aq_nic_ndev_init(struct aq_nic_s *self);
 115struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev);
 116void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx,
 117                        struct aq_ring_s *ring);
 118struct net_device *aq_nic_get_ndev(struct aq_nic_s *self);
 119int aq_nic_init(struct aq_nic_s *self);
 120void aq_nic_cfg_start(struct aq_nic_s *self);
 121int aq_nic_ndev_register(struct aq_nic_s *self);
 122void aq_nic_ndev_free(struct aq_nic_s *self);
 123int aq_nic_start(struct aq_nic_s *self);
 124int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb);
 125int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p);
 126int aq_nic_get_regs_count(struct aq_nic_s *self);
 127void aq_nic_get_stats(struct aq_nic_s *self, u64 *data);
 128int aq_nic_stop(struct aq_nic_s *self);
 129void aq_nic_deinit(struct aq_nic_s *self);
 130void aq_nic_free_hot_resources(struct aq_nic_s *self);
 131void aq_nic_free_vectors(struct aq_nic_s *self);
 132int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu);
 133int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev);
 134int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags);
 135int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev);
 136unsigned int aq_nic_get_link_speed(struct aq_nic_s *self);
 137void aq_nic_get_link_ksettings(struct aq_nic_s *self,
 138                               struct ethtool_link_ksettings *cmd);
 139int aq_nic_set_link_ksettings(struct aq_nic_s *self,
 140                              const struct ethtool_link_ksettings *cmd);
 141struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self);
 142u32 aq_nic_get_fw_version(struct aq_nic_s *self);
 143int aq_nic_change_pm_state(struct aq_nic_s *self, pm_message_t *pm_msg);
 144int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self);
 145void aq_nic_shutdown(struct aq_nic_s *self);
 146
 147#endif /* AQ_NIC_H */
 148