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 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 63 struct aq_hw_rx_fl2 { 64 struct aq_rx_filter_vlan aq_vlans[AQ_VLAN_MAX_FILTERS]; 65 }; 66 67 struct aq_hw_rx_fl3l4 { 68 u8 active_ipv4; 69 u8 active_ipv6:2; 70 u8 is_ipv6; 71 }; 72 73 struct 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 80 struct 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 }; 108 109 static inline struct device *aq_nic_get_dev(struct aq_nic_s *self) 110 { 111 return self->ndev->dev.parent; 112 } 113 114 void aq_nic_ndev_init(struct aq_nic_s *self); 115 struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev); 116 void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx, 117 struct aq_ring_s *ring); 118 struct net_device *aq_nic_get_ndev(struct aq_nic_s *self); 119 int aq_nic_init(struct aq_nic_s *self); 120 void aq_nic_cfg_start(struct aq_nic_s *self); 121 int aq_nic_ndev_register(struct aq_nic_s *self); 122 void aq_nic_ndev_free(struct aq_nic_s *self); 123 int aq_nic_start(struct aq_nic_s *self); 124 int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb); 125 int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p); 126 int aq_nic_get_regs_count(struct aq_nic_s *self); 127 void aq_nic_get_stats(struct aq_nic_s *self, u64 *data); 128 int aq_nic_stop(struct aq_nic_s *self); 129 void aq_nic_deinit(struct aq_nic_s *self); 130 void aq_nic_free_hot_resources(struct aq_nic_s *self); 131 void aq_nic_free_vectors(struct aq_nic_s *self); 132 int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu); 133 int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev); 134 int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags); 135 int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev); 136 unsigned int aq_nic_get_link_speed(struct aq_nic_s *self); 137 void aq_nic_get_link_ksettings(struct aq_nic_s *self, 138 struct ethtool_link_ksettings *cmd); 139 int aq_nic_set_link_ksettings(struct aq_nic_s *self, 140 const struct ethtool_link_ksettings *cmd); 141 struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self); 142 u32 aq_nic_get_fw_version(struct aq_nic_s *self); 143 int aq_nic_change_pm_state(struct aq_nic_s *self, pm_message_t *pm_msg); 144 int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self); 145 void aq_nic_shutdown(struct aq_nic_s *self); 146 147 #endif /* AQ_NIC_H */ 148