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 bool is_qos; 63 bool is_ptp; 64 enum aq_tc_mode tc_mode; 65 u32 priv_flags; 66 u8 tcs; 67 u8 prio_tc_map[8]; 68 u32 tc_max_rate[AQ_CFG_TCS_MAX]; 69 unsigned long tc_min_rate_msk; 70 u32 tc_min_rate[AQ_CFG_TCS_MAX]; 71 struct aq_rss_parameters aq_rss; 72 u32 eee_speeds; 73 }; 74 75 #define AQ_NIC_FLAG_STARTED 0x00000004U 76 #define AQ_NIC_FLAG_STOPPING 0x00000008U 77 #define AQ_NIC_FLAG_RESETTING 0x00000010U 78 #define AQ_NIC_FLAG_CLOSING 0x00000020U 79 #define AQ_NIC_PTP_DPATH_UP 0x02000000U 80 #define AQ_NIC_LINK_DOWN 0x04000000U 81 #define AQ_NIC_FLAG_ERR_UNPLUG 0x40000000U 82 #define AQ_NIC_FLAG_ERR_HW 0x80000000U 83 84 #define AQ_NIC_WOL_MODES (WAKE_MAGIC |\ 85 WAKE_PHY) 86 87 #define AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) \ 88 (((_NIC_CFG_)->tc_mode == AQ_TC_MODE_4TCS) ? 8 : 4) 89 90 #define AQ_NIC_CFG_TCVEC2RING(_NIC_CFG_, _TC_, _VEC_) \ 91 ((_TC_) * AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) + (_VEC_)) 92 93 #define AQ_NIC_RING2QMAP(_NIC_, _ID_) \ 94 ((_ID_) / AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg) * \ 95 (_NIC_)->aq_vecs + \ 96 ((_ID_) % AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg))) 97 98 struct aq_hw_rx_fl2 { 99 struct aq_rx_filter_vlan aq_vlans[AQ_VLAN_MAX_FILTERS]; 100 }; 101 102 struct aq_hw_rx_fl3l4 { 103 u8 active_ipv4; 104 u8 active_ipv6:2; 105 u8 is_ipv6; 106 u8 reserved_count; 107 }; 108 109 struct aq_hw_rx_fltrs_s { 110 struct hlist_head filter_list; 111 u16 active_filters; 112 struct aq_hw_rx_fl2 fl2; 113 struct aq_hw_rx_fl3l4 fl3l4; 114 /*filter ether type */ 115 u8 fet_reserved_count; 116 }; 117 118 struct aq_nic_s { 119 atomic_t flags; 120 u32 msg_enable; 121 struct aq_vec_s *aq_vec[AQ_CFG_VECS_MAX]; 122 struct aq_ring_s *aq_ring_tx[AQ_HW_QUEUES_MAX]; 123 struct aq_hw_s *aq_hw; 124 struct net_device *ndev; 125 unsigned int aq_vecs; 126 unsigned int packet_filter; 127 unsigned int power_state; 128 u8 port; 129 const struct aq_hw_ops *aq_hw_ops; 130 const struct aq_fw_ops *aq_fw_ops; 131 struct aq_nic_cfg_s aq_nic_cfg; 132 struct timer_list service_timer; 133 struct work_struct service_task; 134 struct timer_list polling_timer; 135 struct aq_hw_link_status_s link_status; 136 struct { 137 u32 count; 138 u8 ar[AQ_HW_MULTICAST_ADDRESS_MAX][ETH_ALEN]; 139 } mc_list; 140 /* Bitmask of currently assigned vlans from linux */ 141 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 142 143 struct pci_dev *pdev; 144 unsigned int msix_entry_mask; 145 u32 irqvecs; 146 /* mutex to serialize FW interface access operations */ 147 struct mutex fwreq_mutex; 148 #if IS_ENABLED(CONFIG_MACSEC) 149 struct aq_macsec_cfg *macsec_cfg; 150 #endif 151 /* PTP support */ 152 struct aq_ptp_s *aq_ptp; 153 struct aq_hw_rx_fltrs_s aq_hw_rx_fltrs; 154 }; 155 156 static inline struct device *aq_nic_get_dev(struct aq_nic_s *self) 157 { 158 return self->ndev->dev.parent; 159 } 160 161 void aq_nic_ndev_init(struct aq_nic_s *self); 162 struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev); 163 void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx, 164 struct aq_ring_s *ring); 165 struct net_device *aq_nic_get_ndev(struct aq_nic_s *self); 166 int aq_nic_init(struct aq_nic_s *self); 167 void aq_nic_cfg_start(struct aq_nic_s *self); 168 int aq_nic_ndev_register(struct aq_nic_s *self); 169 void aq_nic_ndev_free(struct aq_nic_s *self); 170 int aq_nic_start(struct aq_nic_s *self); 171 unsigned int aq_nic_map_skb(struct aq_nic_s *self, struct sk_buff *skb, 172 struct aq_ring_s *ring); 173 int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb); 174 int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p); 175 int aq_nic_get_regs_count(struct aq_nic_s *self); 176 u64 *aq_nic_get_stats(struct aq_nic_s *self, u64 *data); 177 int aq_nic_stop(struct aq_nic_s *self); 178 void aq_nic_deinit(struct aq_nic_s *self, bool link_down); 179 void aq_nic_set_power(struct aq_nic_s *self); 180 void aq_nic_free_hot_resources(struct aq_nic_s *self); 181 void aq_nic_free_vectors(struct aq_nic_s *self); 182 int aq_nic_realloc_vectors(struct aq_nic_s *self); 183 int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu); 184 int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev); 185 int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags); 186 int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev); 187 unsigned int aq_nic_get_link_speed(struct aq_nic_s *self); 188 void aq_nic_get_link_ksettings(struct aq_nic_s *self, 189 struct ethtool_link_ksettings *cmd); 190 int aq_nic_set_link_ksettings(struct aq_nic_s *self, 191 const struct ethtool_link_ksettings *cmd); 192 struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self); 193 u32 aq_nic_get_fw_version(struct aq_nic_s *self); 194 int aq_nic_set_loopback(struct aq_nic_s *self); 195 int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self); 196 void aq_nic_shutdown(struct aq_nic_s *self); 197 u8 aq_nic_reserve_filter(struct aq_nic_s *self, enum aq_rx_filter_type type); 198 void aq_nic_release_filter(struct aq_nic_s *self, enum aq_rx_filter_type type, 199 u32 location); 200 int aq_nic_setup_tc_mqprio(struct aq_nic_s *self, u32 tcs, u8 *prio_tc_map); 201 int aq_nic_setup_tc_max_rate(struct aq_nic_s *self, const unsigned int tc, 202 const u32 max_rate); 203 int aq_nic_setup_tc_min_rate(struct aq_nic_s *self, const unsigned int tc, 204 const u32 min_rate); 205 #endif /* AQ_NIC_H */ 206