drivers/net/ethernet/aquantia/atlantic/aq_nic.h

   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
  19 struct aq_ring_s;
  20 struct aq_hw_ops;
  21 struct aq_fw_s;
  22 struct aq_vec_s;
  23
  24 struct aq_nic_cfg_s {
  25         const struct aq_hw_caps_s *aq_hw_caps;
  26         u64 hw_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 vlan_id;
  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 };
  48
  49 #define AQ_NIC_FLAG_STARTED     0x00000004U
  50 #define AQ_NIC_FLAG_STOPPING    0x00000008U
  51 #define AQ_NIC_FLAG_RESETTING   0x00000010U
  52 #define AQ_NIC_FLAG_CLOSING     0x00000020U
  53 #define AQ_NIC_LINK_DOWN        0x04000000U
  54 #define AQ_NIC_FLAG_ERR_UNPLUG  0x40000000U
  55 #define AQ_NIC_FLAG_ERR_HW      0x80000000U
  56
  57 #define AQ_NIC_TCVEC2RING(_NIC_, _TC_, _VEC_) \
  58         ((_TC_) * AQ_CFG_TCS_MAX + (_VEC_))
  59
  60 struct aq_nic_s {
  61         atomic_t flags;
  62         struct aq_vec_s *aq_vec[AQ_CFG_VECS_MAX];
  63         struct aq_ring_s *aq_ring_tx[AQ_CFG_VECS_MAX * AQ_CFG_TCS_MAX];
  64         struct aq_hw_s *aq_hw;
  65         struct net_device *ndev;
  66         unsigned int aq_vecs;
  67         unsigned int packet_filter;
  68         unsigned int power_state;
  69         u8 port;
  70         const struct aq_hw_ops *aq_hw_ops;
  71         const struct aq_fw_ops *aq_fw_ops;
  72         struct aq_nic_cfg_s aq_nic_cfg;
  73         struct timer_list service_timer;
  74         struct timer_list polling_timer;
  75         struct aq_hw_link_status_s link_status;
  76         struct {
  77                 u32 count;
  78                 u8 ar[AQ_HW_MULTICAST_ADDRESS_MAX][ETH_ALEN];
  79         } mc_list;
  80
  81         struct pci_dev *pdev;
  82         unsigned int msix_entry_mask;
  83         u32 irqvecs;
  84 };
  85
  86 static inline struct device *aq_nic_get_dev(struct aq_nic_s *self)
  87 {
  88         return self->ndev->dev.parent;
  89 }
  90
  91 void aq_nic_ndev_init(struct aq_nic_s *self);
  92 struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev);
  93 void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx,
  94                         struct aq_ring_s *ring);
  95 struct net_device *aq_nic_get_ndev(struct aq_nic_s *self);
  96 int aq_nic_init(struct aq_nic_s *self);
  97 void aq_nic_cfg_start(struct aq_nic_s *self);
  98 int aq_nic_ndev_register(struct aq_nic_s *self);
  99 void aq_nic_ndev_free(struct aq_nic_s *self);
 100 int aq_nic_start(struct aq_nic_s *self);
 101 int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb);
 102 int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p);
 103 int aq_nic_get_regs_count(struct aq_nic_s *self);
 104 void aq_nic_get_stats(struct aq_nic_s *self, u64 *data);
 105 int aq_nic_stop(struct aq_nic_s *self);
 106 void aq_nic_deinit(struct aq_nic_s *self);
 107 void aq_nic_free_hot_resources(struct aq_nic_s *self);
 108 void aq_nic_free_vectors(struct aq_nic_s *self);
 109 int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu);
 110 int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev);
 111 int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags);
 112 int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev);
 113 unsigned int aq_nic_get_link_speed(struct aq_nic_s *self);
 114 void aq_nic_get_link_ksettings(struct aq_nic_s *self,
 115                                struct ethtool_link_ksettings *cmd);
 116 int aq_nic_set_link_ksettings(struct aq_nic_s *self,
 117                               const struct ethtool_link_ksettings *cmd);
 118 struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self);
 119 u32 aq_nic_get_fw_version(struct aq_nic_s *self);
 120 int aq_nic_change_pm_state(struct aq_nic_s *self, pm_message_t *pm_msg);
 121 int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self);
 122 void aq_nic_shutdown(struct aq_nic_s *self);
 123
 124 #endif /* AQ_NIC_H */