1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * aQuantia Corporation Network Driver 4 * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved 5 */ 6 7 /* File aq_nic.h: Declaration of common code for NIC. */ 8 9 #ifndef AQ_NIC_H 10 #define AQ_NIC_H 11 12 #include "aq_common.h" 13 #include "aq_rss.h" 14 #include "aq_hw.h" 15 16 struct aq_ring_s; 17 struct aq_hw_ops; 18 struct aq_fw_s; 19 struct aq_vec_s; 20 21 struct aq_nic_cfg_s { 22 const struct aq_hw_caps_s *aq_hw_caps; 23 u64 features; 24 u32 rxds; /* rx ring size, descriptors # */ 25 u32 txds; /* tx ring size, descriptors # */ 26 u32 vecs; /* allocated rx/tx vectors */ 27 u32 link_irq_vec; 28 u32 irq_type; 29 u32 itr; 30 u16 rx_itr; 31 u16 tx_itr; 32 u32 rxpageorder; 33 u32 num_rss_queues; 34 u32 mtu; 35 u32 flow_control; 36 u32 link_speed_msk; 37 u32 wol; 38 u16 is_mc_list_enabled; 39 u16 mc_list_count; 40 bool is_autoneg; 41 bool is_polling; 42 bool is_rss; 43 bool is_lro; 44 u8 tcs; 45 struct aq_rss_parameters aq_rss; 46 u32 eee_speeds; 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_WOL_ENABLED BIT(0) 58 59 #define AQ_NIC_TCVEC2RING(_NIC_, _TC_, _VEC_) \ 60 ((_TC_) * AQ_CFG_TCS_MAX + (_VEC_)) 61 62 struct aq_hw_rx_fl2 { 63 struct aq_rx_filter_vlan aq_vlans[AQ_VLAN_MAX_FILTERS]; 64 }; 65 66 struct aq_hw_rx_fl3l4 { 67 u8 active_ipv4; 68 u8 active_ipv6:2; 69 u8 is_ipv6; 70 }; 71 72 struct aq_hw_rx_fltrs_s { 73 struct hlist_head filter_list; 74 u16 active_filters; 75 struct aq_hw_rx_fl2 fl2; 76 struct aq_hw_rx_fl3l4 fl3l4; 77 }; 78 79 struct aq_nic_s { 80 atomic_t flags; 81 struct aq_vec_s *aq_vec[AQ_CFG_VECS_MAX]; 82 struct aq_ring_s *aq_ring_tx[AQ_CFG_VECS_MAX * AQ_CFG_TCS_MAX]; 83 struct aq_hw_s *aq_hw; 84 struct net_device *ndev; 85 unsigned int aq_vecs; 86 unsigned int packet_filter; 87 unsigned int power_state; 88 u8 port; 89 const struct aq_hw_ops *aq_hw_ops; 90 const struct aq_fw_ops *aq_fw_ops; 91 struct aq_nic_cfg_s aq_nic_cfg; 92 struct timer_list service_timer; 93 struct work_struct service_task; 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 /* mutex to serialize FW interface access operations */ 107 struct mutex fwreq_mutex; 108 struct aq_hw_rx_fltrs_s aq_hw_rx_fltrs; 109 }; 110 111 static inline struct device *aq_nic_get_dev(struct aq_nic_s *self) 112 { 113 return self->ndev->dev.parent; 114 } 115 116 void aq_nic_ndev_init(struct aq_nic_s *self); 117 struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev); 118 void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx, 119 struct aq_ring_s *ring); 120 struct net_device *aq_nic_get_ndev(struct aq_nic_s *self); 121 int aq_nic_init(struct aq_nic_s *self); 122 void aq_nic_cfg_start(struct aq_nic_s *self); 123 int aq_nic_ndev_register(struct aq_nic_s *self); 124 void aq_nic_ndev_free(struct aq_nic_s *self); 125 int aq_nic_start(struct aq_nic_s *self); 126 int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb); 127 int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p); 128 int aq_nic_get_regs_count(struct aq_nic_s *self); 129 void aq_nic_get_stats(struct aq_nic_s *self, u64 *data); 130 int aq_nic_stop(struct aq_nic_s *self); 131 void aq_nic_deinit(struct aq_nic_s *self); 132 void aq_nic_free_hot_resources(struct aq_nic_s *self); 133 void aq_nic_free_vectors(struct aq_nic_s *self); 134 int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu); 135 int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev); 136 int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags); 137 int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev); 138 unsigned int aq_nic_get_link_speed(struct aq_nic_s *self); 139 void aq_nic_get_link_ksettings(struct aq_nic_s *self, 140 struct ethtool_link_ksettings *cmd); 141 int aq_nic_set_link_ksettings(struct aq_nic_s *self, 142 const struct ethtool_link_ksettings *cmd); 143 struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self); 144 u32 aq_nic_get_fw_version(struct aq_nic_s *self); 145 int aq_nic_change_pm_state(struct aq_nic_s *self, pm_message_t *pm_msg); 146 int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self); 147 void aq_nic_shutdown(struct aq_nic_s *self); 148 149 #endif /* AQ_NIC_H */ 150