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_QUIRK_BAD_PTP BIT(0) 85 86 #define AQ_NIC_WOL_MODES (WAKE_MAGIC |\ 87 WAKE_PHY) 88 89 #define AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) \ 90 (((_NIC_CFG_)->tc_mode == AQ_TC_MODE_4TCS) ? 8 : 4) 91 92 #define AQ_NIC_CFG_TCVEC2RING(_NIC_CFG_, _TC_, _VEC_) \ 93 ((_TC_) * AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) + (_VEC_)) 94 95 #define AQ_NIC_RING2QMAP(_NIC_, _ID_) \ 96 ((_ID_) / AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg) * \ 97 (_NIC_)->aq_vecs + \ 98 ((_ID_) % AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg))) 99 100 struct aq_hw_rx_fl2 { 101 struct aq_rx_filter_vlan aq_vlans[AQ_VLAN_MAX_FILTERS]; 102 }; 103 104 struct aq_hw_rx_fl3l4 { 105 u8 active_ipv4; 106 u8 active_ipv6:2; 107 u8 is_ipv6; 108 u8 reserved_count; 109 }; 110 111 struct aq_hw_rx_fltrs_s { 112 struct hlist_head filter_list; 113 u16 active_filters; 114 struct aq_hw_rx_fl2 fl2; 115 struct aq_hw_rx_fl3l4 fl3l4; 116 /*filter ether type */ 117 u8 fet_reserved_count; 118 }; 119 120 struct aq_nic_s { 121 atomic_t flags; 122 u32 msg_enable; 123 struct aq_vec_s *aq_vec[AQ_CFG_VECS_MAX]; 124 struct aq_ring_s *aq_ring_tx[AQ_HW_QUEUES_MAX]; 125 struct aq_hw_s *aq_hw; 126 struct net_device *ndev; 127 unsigned int aq_vecs; 128 unsigned int packet_filter; 129 unsigned int power_state; 130 u8 port; 131 const struct aq_hw_ops *aq_hw_ops; 132 const struct aq_fw_ops *aq_fw_ops; 133 struct aq_nic_cfg_s aq_nic_cfg; 134 struct timer_list service_timer; 135 struct work_struct service_task; 136 struct timer_list polling_timer; 137 struct aq_hw_link_status_s link_status; 138 struct { 139 u32 count; 140 u8 ar[AQ_HW_MULTICAST_ADDRESS_MAX][ETH_ALEN]; 141 } mc_list; 142 /* Bitmask of currently assigned vlans from linux */ 143 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 144 145 struct pci_dev *pdev; 146 unsigned int msix_entry_mask; 147 u32 irqvecs; 148 /* mutex to serialize FW interface access operations */ 149 struct mutex fwreq_mutex; 150 #if IS_ENABLED(CONFIG_MACSEC) 151 struct aq_macsec_cfg *macsec_cfg; 152 #endif 153 /* PTP support */ 154 struct aq_ptp_s *aq_ptp; 155 struct aq_hw_rx_fltrs_s aq_hw_rx_fltrs; 156 }; 157 158 static inline struct device *aq_nic_get_dev(struct aq_nic_s *self) 159 { 160 return self->ndev->dev.parent; 161 } 162 163 void aq_nic_ndev_init(struct aq_nic_s *self); 164 struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev); 165 void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx, 166 struct aq_ring_s *ring); 167 struct net_device *aq_nic_get_ndev(struct aq_nic_s *self); 168 int aq_nic_init(struct aq_nic_s *self); 169 void aq_nic_cfg_start(struct aq_nic_s *self); 170 int aq_nic_ndev_register(struct aq_nic_s *self); 171 void aq_nic_ndev_free(struct aq_nic_s *self); 172 int aq_nic_start(struct aq_nic_s *self); 173 unsigned int aq_nic_map_skb(struct aq_nic_s *self, struct sk_buff *skb, 174 struct aq_ring_s *ring); 175 int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb); 176 int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p); 177 int aq_nic_get_regs_count(struct aq_nic_s *self); 178 u64 *aq_nic_get_stats(struct aq_nic_s *self, u64 *data); 179 int aq_nic_stop(struct aq_nic_s *self); 180 void aq_nic_deinit(struct aq_nic_s *self, bool link_down); 181 void aq_nic_set_power(struct aq_nic_s *self); 182 void aq_nic_free_hot_resources(struct aq_nic_s *self); 183 void aq_nic_free_vectors(struct aq_nic_s *self); 184 int aq_nic_realloc_vectors(struct aq_nic_s *self); 185 int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu); 186 int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev); 187 int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags); 188 int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev); 189 unsigned int aq_nic_get_link_speed(struct aq_nic_s *self); 190 void aq_nic_get_link_ksettings(struct aq_nic_s *self, 191 struct ethtool_link_ksettings *cmd); 192 int aq_nic_set_link_ksettings(struct aq_nic_s *self, 193 const struct ethtool_link_ksettings *cmd); 194 struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self); 195 u32 aq_nic_get_fw_version(struct aq_nic_s *self); 196 int aq_nic_set_loopback(struct aq_nic_s *self); 197 int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self); 198 void aq_nic_shutdown(struct aq_nic_s *self); 199 u8 aq_nic_reserve_filter(struct aq_nic_s *self, enum aq_rx_filter_type type); 200 void aq_nic_release_filter(struct aq_nic_s *self, enum aq_rx_filter_type type, 201 u32 location); 202 int aq_nic_setup_tc_mqprio(struct aq_nic_s *self, u32 tcs, u8 *prio_tc_map); 203 int aq_nic_setup_tc_max_rate(struct aq_nic_s *self, const unsigned int tc, 204 const u32 max_rate); 205 int aq_nic_setup_tc_min_rate(struct aq_nic_s *self, const unsigned int tc, 206 const u32 min_rate); 207 #endif /* AQ_NIC_H */ 208