1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * aQuantia Corporation Network Driver 4 * Copyright (C) 2014-2019 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 struct aq_macsec_cfg; 21 struct aq_ptp_s; 22 enum aq_rx_filter_type; 23 24 enum aq_fc_mode { 25 AQ_NIC_FC_OFF = 0, 26 AQ_NIC_FC_TX, 27 AQ_NIC_FC_RX, 28 AQ_NIC_FC_FULL, 29 }; 30 31 struct aq_fc_info { 32 enum aq_fc_mode req; 33 enum aq_fc_mode cur; 34 }; 35 36 struct aq_nic_cfg_s { 37 const struct aq_hw_caps_s *aq_hw_caps; 38 u64 features; 39 u32 rxds; /* rx ring size, descriptors # */ 40 u32 txds; /* tx ring size, descriptors # */ 41 u32 vecs; /* allocated rx/tx vectors */ 42 u32 link_irq_vec; 43 u32 irq_type; 44 u32 itr; 45 u16 rx_itr; 46 u16 tx_itr; 47 u32 rxpageorder; 48 u32 num_rss_queues; 49 u32 mtu; 50 struct aq_fc_info fc; 51 u32 link_speed_msk; 52 u32 wol; 53 u8 is_vlan_rx_strip; 54 u8 is_vlan_tx_insert; 55 bool is_vlan_force_promisc; 56 u16 is_mc_list_enabled; 57 u16 mc_list_count; 58 bool is_autoneg; 59 bool is_polling; 60 bool is_rss; 61 bool is_lro; 62 u32 priv_flags; 63 u8 tcs; 64 struct aq_rss_parameters aq_rss; 65 u32 eee_speeds; 66 }; 67 68 #define AQ_NIC_FLAG_STARTED 0x00000004U 69 #define AQ_NIC_FLAG_STOPPING 0x00000008U 70 #define AQ_NIC_FLAG_RESETTING 0x00000010U 71 #define AQ_NIC_FLAG_CLOSING 0x00000020U 72 #define AQ_NIC_PTP_DPATH_UP 0x02000000U 73 #define AQ_NIC_LINK_DOWN 0x04000000U 74 #define AQ_NIC_FLAG_ERR_UNPLUG 0x40000000U 75 #define AQ_NIC_FLAG_ERR_HW 0x80000000U 76 77 #define AQ_NIC_WOL_MODES (WAKE_MAGIC |\ 78 WAKE_PHY) 79 80 #define AQ_NIC_TCVEC2RING(_NIC_, _TC_, _VEC_) \ 81 ((_TC_) * AQ_CFG_TCS_MAX + (_VEC_)) 82 83 struct aq_hw_rx_fl2 { 84 struct aq_rx_filter_vlan aq_vlans[AQ_VLAN_MAX_FILTERS]; 85 }; 86 87 struct aq_hw_rx_fl3l4 { 88 u8 active_ipv4; 89 u8 active_ipv6:2; 90 u8 is_ipv6; 91 u8 reserved_count; 92 }; 93 94 struct aq_hw_rx_fltrs_s { 95 struct hlist_head filter_list; 96 u16 active_filters; 97 struct aq_hw_rx_fl2 fl2; 98 struct aq_hw_rx_fl3l4 fl3l4; 99 /*filter ether type */ 100 u8 fet_reserved_count; 101 }; 102 103 struct aq_nic_s { 104 atomic_t flags; 105 u32 msg_enable; 106 struct aq_vec_s *aq_vec[AQ_CFG_VECS_MAX]; 107 struct aq_ring_s *aq_ring_tx[AQ_CFG_VECS_MAX * AQ_CFG_TCS_MAX]; 108 struct aq_hw_s *aq_hw; 109 struct net_device *ndev; 110 unsigned int aq_vecs; 111 unsigned int packet_filter; 112 unsigned int power_state; 113 u8 port; 114 const struct aq_hw_ops *aq_hw_ops; 115 const struct aq_fw_ops *aq_fw_ops; 116 struct aq_nic_cfg_s aq_nic_cfg; 117 struct timer_list service_timer; 118 struct work_struct service_task; 119 struct timer_list polling_timer; 120 struct aq_hw_link_status_s link_status; 121 struct { 122 u32 count; 123 u8 ar[AQ_HW_MULTICAST_ADDRESS_MAX][ETH_ALEN]; 124 } mc_list; 125 /* Bitmask of currently assigned vlans from linux */ 126 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 127 128 struct pci_dev *pdev; 129 unsigned int msix_entry_mask; 130 u32 irqvecs; 131 /* mutex to serialize FW interface access operations */ 132 struct mutex fwreq_mutex; 133 #if IS_ENABLED(CONFIG_MACSEC) 134 struct aq_macsec_cfg *macsec_cfg; 135 #endif 136 /* PTP support */ 137 struct aq_ptp_s *aq_ptp; 138 struct aq_hw_rx_fltrs_s aq_hw_rx_fltrs; 139 }; 140 141 static inline struct device *aq_nic_get_dev(struct aq_nic_s *self) 142 { 143 return self->ndev->dev.parent; 144 } 145 146 void aq_nic_ndev_init(struct aq_nic_s *self); 147 struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev); 148 void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx, 149 struct aq_ring_s *ring); 150 struct net_device *aq_nic_get_ndev(struct aq_nic_s *self); 151 int aq_nic_init(struct aq_nic_s *self); 152 void aq_nic_cfg_start(struct aq_nic_s *self); 153 int aq_nic_ndev_register(struct aq_nic_s *self); 154 void aq_nic_ndev_free(struct aq_nic_s *self); 155 int aq_nic_start(struct aq_nic_s *self); 156 unsigned int aq_nic_map_skb(struct aq_nic_s *self, struct sk_buff *skb, 157 struct aq_ring_s *ring); 158 int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb); 159 int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p); 160 int aq_nic_get_regs_count(struct aq_nic_s *self); 161 u64 *aq_nic_get_stats(struct aq_nic_s *self, u64 *data); 162 int aq_nic_stop(struct aq_nic_s *self); 163 void aq_nic_deinit(struct aq_nic_s *self, bool link_down); 164 void aq_nic_set_power(struct aq_nic_s *self); 165 void aq_nic_free_hot_resources(struct aq_nic_s *self); 166 void aq_nic_free_vectors(struct aq_nic_s *self); 167 int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu); 168 int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev); 169 int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags); 170 int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev); 171 unsigned int aq_nic_get_link_speed(struct aq_nic_s *self); 172 void aq_nic_get_link_ksettings(struct aq_nic_s *self, 173 struct ethtool_link_ksettings *cmd); 174 int aq_nic_set_link_ksettings(struct aq_nic_s *self, 175 const struct ethtool_link_ksettings *cmd); 176 struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self); 177 u32 aq_nic_get_fw_version(struct aq_nic_s *self); 178 int aq_nic_set_loopback(struct aq_nic_s *self); 179 int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self); 180 void aq_nic_shutdown(struct aq_nic_s *self); 181 u8 aq_nic_reserve_filter(struct aq_nic_s *self, enum aq_rx_filter_type type); 182 void aq_nic_release_filter(struct aq_nic_s *self, enum aq_rx_filter_type type, 183 u32 location); 184 #endif /* AQ_NIC_H */ 185