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 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 rxpageorder; 35 u32 num_rss_queues; 36 u32 mtu; 37 u32 flow_control; 38 u32 link_speed_msk; 39 u32 wol; 40 u16 is_mc_list_enabled; 41 u16 mc_list_count; 42 bool is_autoneg; 43 bool is_polling; 44 bool is_rss; 45 bool is_lro; 46 u8 tcs; 47 struct aq_rss_parameters aq_rss; 48 u32 eee_speeds; 49 }; 50 51 #define AQ_NIC_FLAG_STARTED 0x00000004U 52 #define AQ_NIC_FLAG_STOPPING 0x00000008U 53 #define AQ_NIC_FLAG_RESETTING 0x00000010U 54 #define AQ_NIC_FLAG_CLOSING 0x00000020U 55 #define AQ_NIC_LINK_DOWN 0x04000000U 56 #define AQ_NIC_FLAG_ERR_UNPLUG 0x40000000U 57 #define AQ_NIC_FLAG_ERR_HW 0x80000000U 58 59 #define AQ_NIC_WOL_ENABLED BIT(0) 60 61 #define AQ_NIC_TCVEC2RING(_NIC_, _TC_, _VEC_) \ 62 ((_TC_) * AQ_CFG_TCS_MAX + (_VEC_)) 63 64 struct aq_hw_rx_fl2 { 65 struct aq_rx_filter_vlan aq_vlans[AQ_VLAN_MAX_FILTERS]; 66 }; 67 68 struct aq_hw_rx_fl3l4 { 69 u8 active_ipv4; 70 u8 active_ipv6:2; 71 u8 is_ipv6; 72 }; 73 74 struct aq_hw_rx_fltrs_s { 75 struct hlist_head filter_list; 76 u16 active_filters; 77 struct aq_hw_rx_fl2 fl2; 78 struct aq_hw_rx_fl3l4 fl3l4; 79 }; 80 81 struct aq_nic_s { 82 atomic_t flags; 83 struct aq_vec_s *aq_vec[AQ_CFG_VECS_MAX]; 84 struct aq_ring_s *aq_ring_tx[AQ_CFG_VECS_MAX * AQ_CFG_TCS_MAX]; 85 struct aq_hw_s *aq_hw; 86 struct net_device *ndev; 87 unsigned int aq_vecs; 88 unsigned int packet_filter; 89 unsigned int power_state; 90 u8 port; 91 const struct aq_hw_ops *aq_hw_ops; 92 const struct aq_fw_ops *aq_fw_ops; 93 struct aq_nic_cfg_s aq_nic_cfg; 94 struct timer_list service_timer; 95 struct timer_list polling_timer; 96 struct aq_hw_link_status_s link_status; 97 struct { 98 u32 count; 99 u8 ar[AQ_HW_MULTICAST_ADDRESS_MAX][ETH_ALEN]; 100 } mc_list; 101 /* Bitmask of currently assigned vlans from linux */ 102 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 103 104 struct pci_dev *pdev; 105 unsigned int msix_entry_mask; 106 u32 irqvecs; 107 struct aq_hw_rx_fltrs_s aq_hw_rx_fltrs; 108 }; 109 110 static inline struct device *aq_nic_get_dev(struct aq_nic_s *self) 111 { 112 return self->ndev->dev.parent; 113 } 114 115 void aq_nic_ndev_init(struct aq_nic_s *self); 116 struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev); 117 void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx, 118 struct aq_ring_s *ring); 119 struct net_device *aq_nic_get_ndev(struct aq_nic_s *self); 120 int aq_nic_init(struct aq_nic_s *self); 121 void aq_nic_cfg_start(struct aq_nic_s *self); 122 int aq_nic_ndev_register(struct aq_nic_s *self); 123 void aq_nic_ndev_free(struct aq_nic_s *self); 124 int aq_nic_start(struct aq_nic_s *self); 125 int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb); 126 int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p); 127 int aq_nic_get_regs_count(struct aq_nic_s *self); 128 void aq_nic_get_stats(struct aq_nic_s *self, u64 *data); 129 int aq_nic_stop(struct aq_nic_s *self); 130 void aq_nic_deinit(struct aq_nic_s *self); 131 void aq_nic_free_hot_resources(struct aq_nic_s *self); 132 void aq_nic_free_vectors(struct aq_nic_s *self); 133 int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu); 134 int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev); 135 int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags); 136 int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev); 137 unsigned int aq_nic_get_link_speed(struct aq_nic_s *self); 138 void aq_nic_get_link_ksettings(struct aq_nic_s *self, 139 struct ethtool_link_ksettings *cmd); 140 int aq_nic_set_link_ksettings(struct aq_nic_s *self, 141 const struct ethtool_link_ksettings *cmd); 142 struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self); 143 u32 aq_nic_get_fw_version(struct aq_nic_s *self); 144 int aq_nic_change_pm_state(struct aq_nic_s *self, pm_message_t *pm_msg); 145 int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self); 146 void aq_nic_shutdown(struct aq_nic_s *self); 147 148 #endif /* AQ_NIC_H */ 149