1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* Atlantic Network Driver 3 * 4 * Copyright (C) 2014-2019 aQuantia Corporation 5 * Copyright (C) 2019-2020 Marvell International Ltd. 6 */ 7 8 /* File aq_nic.h: Declaration of common code for NIC. */ 9 10 #ifndef AQ_NIC_H 11 #define AQ_NIC_H 12 13 #include "aq_common.h" 14 #include "aq_rss.h" 15 #include "aq_hw.h" 16 17 struct aq_ring_s; 18 struct aq_hw_ops; 19 struct aq_fw_s; 20 struct aq_vec_s; 21 struct aq_macsec_cfg; 22 struct aq_ptp_s; 23 enum aq_rx_filter_type; 24 25 enum aq_fc_mode { 26 AQ_NIC_FC_OFF = 0, 27 AQ_NIC_FC_TX, 28 AQ_NIC_FC_RX, 29 AQ_NIC_FC_FULL, 30 }; 31 32 struct aq_fc_info { 33 enum aq_fc_mode req; 34 enum aq_fc_mode cur; 35 }; 36 37 struct aq_nic_cfg_s { 38 const struct aq_hw_caps_s *aq_hw_caps; 39 u64 features; 40 u32 rxds; /* rx ring size, descriptors # */ 41 u32 txds; /* tx ring size, descriptors # */ 42 u32 vecs; /* allocated rx/tx vectors */ 43 u32 link_irq_vec; 44 u32 irq_type; 45 u32 itr; 46 u16 rx_itr; 47 u16 tx_itr; 48 u32 rxpageorder; 49 u32 num_rss_queues; 50 u32 mtu; 51 struct aq_fc_info fc; 52 u32 link_speed_msk; 53 u32 wol; 54 u8 is_vlan_rx_strip; 55 u8 is_vlan_tx_insert; 56 bool is_vlan_force_promisc; 57 u16 is_mc_list_enabled; 58 u16 mc_list_count; 59 bool is_autoneg; 60 bool is_polling; 61 bool is_rss; 62 bool is_lro; 63 bool is_qos; 64 bool is_ptp; 65 enum aq_tc_mode tc_mode; 66 u32 priv_flags; 67 u8 tcs; 68 u8 prio_tc_map[8]; 69 u32 tc_max_rate[AQ_CFG_TCS_MAX]; 70 unsigned long tc_min_rate_msk; 71 u32 tc_min_rate[AQ_CFG_TCS_MAX]; 72 struct aq_rss_parameters aq_rss; 73 u32 eee_speeds; 74 }; 75 76 #define AQ_NIC_FLAG_STARTED 0x00000004U 77 #define AQ_NIC_FLAG_STOPPING 0x00000008U 78 #define AQ_NIC_FLAG_RESETTING 0x00000010U 79 #define AQ_NIC_FLAG_CLOSING 0x00000020U 80 #define AQ_NIC_PTP_DPATH_UP 0x02000000U 81 #define AQ_NIC_LINK_DOWN 0x04000000U 82 #define AQ_NIC_FLAG_ERR_UNPLUG 0x40000000U 83 #define AQ_NIC_FLAG_ERR_HW 0x80000000U 84 85 #define AQ_NIC_QUIRK_BAD_PTP BIT(0) 86 87 #define AQ_NIC_WOL_MODES (WAKE_MAGIC |\ 88 WAKE_PHY) 89 90 #define AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) \ 91 (((_NIC_CFG_)->tc_mode == AQ_TC_MODE_4TCS) ? 8 : 4) 92 93 #define AQ_NIC_CFG_TCVEC2RING(_NIC_CFG_, _TC_, _VEC_) \ 94 ((_TC_) * AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) + (_VEC_)) 95 96 #define AQ_NIC_RING2QMAP(_NIC_, _ID_) \ 97 ((_ID_) / AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg) * \ 98 (_NIC_)->aq_vecs + \ 99 ((_ID_) % AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg))) 100 101 struct aq_hw_rx_fl2 { 102 struct aq_rx_filter_vlan aq_vlans[AQ_VLAN_MAX_FILTERS]; 103 }; 104 105 struct aq_hw_rx_fl3l4 { 106 u8 active_ipv4; 107 u8 active_ipv6:2; 108 u8 is_ipv6; 109 u8 reserved_count; 110 }; 111 112 struct aq_hw_rx_fltrs_s { 113 struct hlist_head filter_list; 114 u16 active_filters; 115 struct aq_hw_rx_fl2 fl2; 116 struct aq_hw_rx_fl3l4 fl3l4; 117 /* filter ether type */ 118 u8 fet_reserved_count; 119 }; 120 121 struct aq_nic_s { 122 atomic_t flags; 123 u32 msg_enable; 124 struct aq_vec_s *aq_vec[AQ_CFG_VECS_MAX]; 125 struct aq_ring_s *aq_ring_tx[AQ_HW_QUEUES_MAX]; 126 struct aq_hw_s *aq_hw; 127 struct net_device *ndev; 128 unsigned int aq_vecs; 129 unsigned int packet_filter; 130 unsigned int power_state; 131 u8 port; 132 const struct aq_hw_ops *aq_hw_ops; 133 const struct aq_fw_ops *aq_fw_ops; 134 struct aq_nic_cfg_s aq_nic_cfg; 135 struct timer_list service_timer; 136 struct work_struct service_task; 137 struct timer_list polling_timer; 138 struct aq_hw_link_status_s link_status; 139 struct { 140 u32 count; 141 u8 ar[AQ_HW_MULTICAST_ADDRESS_MAX][ETH_ALEN]; 142 } mc_list; 143 /* Bitmask of currently assigned vlans from linux */ 144 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 145 146 struct pci_dev *pdev; 147 unsigned int msix_entry_mask; 148 u32 irqvecs; 149 /* mutex to serialize FW interface access operations */ 150 struct mutex fwreq_mutex; 151 #if IS_ENABLED(CONFIG_MACSEC) 152 struct aq_macsec_cfg *macsec_cfg; 153 #endif 154 /* PTP support */ 155 struct aq_ptp_s *aq_ptp; 156 struct aq_hw_rx_fltrs_s aq_hw_rx_fltrs; 157 }; 158 159 static inline struct device *aq_nic_get_dev(struct aq_nic_s *self) 160 { 161 return self->ndev->dev.parent; 162 } 163 164 void aq_nic_ndev_init(struct aq_nic_s *self); 165 struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev); 166 void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx, 167 struct aq_ring_s *ring); 168 struct net_device *aq_nic_get_ndev(struct aq_nic_s *self); 169 int aq_nic_init(struct aq_nic_s *self); 170 void aq_nic_cfg_start(struct aq_nic_s *self); 171 int aq_nic_ndev_register(struct aq_nic_s *self); 172 void aq_nic_ndev_free(struct aq_nic_s *self); 173 int aq_nic_start(struct aq_nic_s *self); 174 unsigned int aq_nic_map_skb(struct aq_nic_s *self, struct sk_buff *skb, 175 struct aq_ring_s *ring); 176 int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb); 177 int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p); 178 int aq_nic_get_regs_count(struct aq_nic_s *self); 179 u64 *aq_nic_get_stats(struct aq_nic_s *self, u64 *data); 180 int aq_nic_stop(struct aq_nic_s *self); 181 void aq_nic_deinit(struct aq_nic_s *self, bool link_down); 182 void aq_nic_set_power(struct aq_nic_s *self); 183 void aq_nic_free_hot_resources(struct aq_nic_s *self); 184 void aq_nic_free_vectors(struct aq_nic_s *self); 185 int aq_nic_realloc_vectors(struct aq_nic_s *self); 186 int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu); 187 int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev); 188 int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags); 189 int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev); 190 unsigned int aq_nic_get_link_speed(struct aq_nic_s *self); 191 void aq_nic_get_link_ksettings(struct aq_nic_s *self, 192 struct ethtool_link_ksettings *cmd); 193 int aq_nic_set_link_ksettings(struct aq_nic_s *self, 194 const struct ethtool_link_ksettings *cmd); 195 struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self); 196 u32 aq_nic_get_fw_version(struct aq_nic_s *self); 197 int aq_nic_set_loopback(struct aq_nic_s *self); 198 int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self); 199 void aq_nic_shutdown(struct aq_nic_s *self); 200 u8 aq_nic_reserve_filter(struct aq_nic_s *self, enum aq_rx_filter_type type); 201 void aq_nic_release_filter(struct aq_nic_s *self, enum aq_rx_filter_type type, 202 u32 location); 203 int aq_nic_setup_tc_mqprio(struct aq_nic_s *self, u32 tcs, u8 *prio_tc_map); 204 int aq_nic_setup_tc_max_rate(struct aq_nic_s *self, const unsigned int tc, 205 const u32 max_rate); 206 int aq_nic_setup_tc_min_rate(struct aq_nic_s *self, const unsigned int tc, 207 const u32 min_rate); 208 #endif /* AQ_NIC_H */ 209