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 bool is_media_detect; 66 int downshift_counter; 67 enum aq_tc_mode tc_mode; 68 u32 priv_flags; 69 u8 tcs; 70 u8 prio_tc_map[8]; 71 u32 tc_max_rate[AQ_CFG_TCS_MAX]; 72 unsigned long tc_min_rate_msk; 73 u32 tc_min_rate[AQ_CFG_TCS_MAX]; 74 struct aq_rss_parameters aq_rss; 75 u32 eee_speeds; 76 }; 77 78 #define AQ_NIC_FLAG_STARTED 0x00000004U 79 #define AQ_NIC_FLAG_STOPPING 0x00000008U 80 #define AQ_NIC_FLAG_RESETTING 0x00000010U 81 #define AQ_NIC_FLAG_CLOSING 0x00000020U 82 #define AQ_NIC_PTP_DPATH_UP 0x02000000U 83 #define AQ_NIC_LINK_DOWN 0x04000000U 84 #define AQ_NIC_FLAG_ERR_UNPLUG 0x40000000U 85 #define AQ_NIC_FLAG_ERR_HW 0x80000000U 86 87 #define AQ_NIC_QUIRK_BAD_PTP BIT(0) 88 89 #define AQ_NIC_WOL_MODES (WAKE_MAGIC |\ 90 WAKE_PHY) 91 92 #define AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) \ 93 (((_NIC_CFG_)->tc_mode == AQ_TC_MODE_4TCS) ? 8 : 4) 94 95 #define AQ_NIC_CFG_TCVEC2RING(_NIC_CFG_, _TC_, _VEC_) \ 96 ((_TC_) * AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) + (_VEC_)) 97 98 #define AQ_NIC_RING2QMAP(_NIC_, _ID_) \ 99 ((_ID_) / AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg) * \ 100 (_NIC_)->aq_vecs + \ 101 ((_ID_) % AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg))) 102 103 struct aq_hw_rx_fl2 { 104 struct aq_rx_filter_vlan aq_vlans[AQ_VLAN_MAX_FILTERS]; 105 }; 106 107 struct aq_hw_rx_fl3l4 { 108 u8 active_ipv4; 109 u8 active_ipv6:2; 110 u8 is_ipv6; 111 u8 reserved_count; 112 }; 113 114 struct aq_hw_rx_fltrs_s { 115 struct hlist_head filter_list; 116 u16 active_filters; 117 struct aq_hw_rx_fl2 fl2; 118 struct aq_hw_rx_fl3l4 fl3l4; 119 /* filter ether type */ 120 u8 fet_reserved_count; 121 }; 122 123 struct aq_nic_s { 124 atomic_t flags; 125 u32 msg_enable; 126 struct aq_vec_s *aq_vec[AQ_CFG_VECS_MAX]; 127 struct aq_ring_s *aq_ring_tx[AQ_HW_QUEUES_MAX]; 128 struct aq_hw_s *aq_hw; 129 struct net_device *ndev; 130 unsigned int aq_vecs; 131 unsigned int packet_filter; 132 unsigned int power_state; 133 u8 port; 134 const struct aq_hw_ops *aq_hw_ops; 135 const struct aq_fw_ops *aq_fw_ops; 136 struct aq_nic_cfg_s aq_nic_cfg; 137 struct timer_list service_timer; 138 struct work_struct service_task; 139 struct timer_list polling_timer; 140 struct aq_hw_link_status_s link_status; 141 struct { 142 u32 count; 143 u8 ar[AQ_HW_MULTICAST_ADDRESS_MAX][ETH_ALEN]; 144 } mc_list; 145 /* Bitmask of currently assigned vlans from linux */ 146 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 147 148 struct pci_dev *pdev; 149 unsigned int msix_entry_mask; 150 u32 irqvecs; 151 /* mutex to serialize FW interface access operations */ 152 struct mutex fwreq_mutex; 153 #if IS_ENABLED(CONFIG_MACSEC) 154 struct aq_macsec_cfg *macsec_cfg; 155 #endif 156 /* PTP support */ 157 struct aq_ptp_s *aq_ptp; 158 struct aq_hw_rx_fltrs_s aq_hw_rx_fltrs; 159 }; 160 161 static inline struct device *aq_nic_get_dev(struct aq_nic_s *self) 162 { 163 return self->ndev->dev.parent; 164 } 165 166 void aq_nic_ndev_init(struct aq_nic_s *self); 167 struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev); 168 void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx, 169 struct aq_ring_s *ring); 170 struct net_device *aq_nic_get_ndev(struct aq_nic_s *self); 171 int aq_nic_init(struct aq_nic_s *self); 172 void aq_nic_cfg_start(struct aq_nic_s *self); 173 int aq_nic_ndev_register(struct aq_nic_s *self); 174 void aq_nic_ndev_free(struct aq_nic_s *self); 175 int aq_nic_start(struct aq_nic_s *self); 176 unsigned int aq_nic_map_skb(struct aq_nic_s *self, struct sk_buff *skb, 177 struct aq_ring_s *ring); 178 int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb); 179 int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p); 180 int aq_nic_get_regs_count(struct aq_nic_s *self); 181 u64 *aq_nic_get_stats(struct aq_nic_s *self, u64 *data); 182 int aq_nic_stop(struct aq_nic_s *self); 183 void aq_nic_deinit(struct aq_nic_s *self, bool link_down); 184 void aq_nic_set_power(struct aq_nic_s *self); 185 void aq_nic_free_hot_resources(struct aq_nic_s *self); 186 void aq_nic_free_vectors(struct aq_nic_s *self); 187 int aq_nic_realloc_vectors(struct aq_nic_s *self); 188 int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu); 189 int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev); 190 int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags); 191 int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev); 192 unsigned int aq_nic_get_link_speed(struct aq_nic_s *self); 193 void aq_nic_get_link_ksettings(struct aq_nic_s *self, 194 struct ethtool_link_ksettings *cmd); 195 int aq_nic_set_link_ksettings(struct aq_nic_s *self, 196 const struct ethtool_link_ksettings *cmd); 197 struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self); 198 u32 aq_nic_get_fw_version(struct aq_nic_s *self); 199 int aq_nic_set_loopback(struct aq_nic_s *self); 200 int aq_nic_set_downshift(struct aq_nic_s *self, int val); 201 int aq_nic_set_media_detect(struct aq_nic_s *self, int val); 202 int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self); 203 void aq_nic_shutdown(struct aq_nic_s *self); 204 u8 aq_nic_reserve_filter(struct aq_nic_s *self, enum aq_rx_filter_type type); 205 void aq_nic_release_filter(struct aq_nic_s *self, enum aq_rx_filter_type type, 206 u32 location); 207 int aq_nic_setup_tc_mqprio(struct aq_nic_s *self, u32 tcs, u8 *prio_tc_map); 208 int aq_nic_setup_tc_max_rate(struct aq_nic_s *self, const unsigned int tc, 209 const u32 max_rate); 210 int aq_nic_setup_tc_min_rate(struct aq_nic_s *self, const unsigned int tc, 211 const u32 min_rate); 212 #endif /* AQ_NIC_H */ 213