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 <linux/ethtool.h> 14 15 #include "aq_common.h" 16 #include "aq_rss.h" 17 #include "aq_hw.h" 18 19 struct aq_ring_s; 20 struct aq_hw_ops; 21 struct aq_fw_s; 22 struct aq_vec_s; 23 struct aq_macsec_cfg; 24 struct aq_ptp_s; 25 enum aq_rx_filter_type; 26 27 enum aq_fc_mode { 28 AQ_NIC_FC_OFF = 0, 29 AQ_NIC_FC_TX, 30 AQ_NIC_FC_RX, 31 AQ_NIC_FC_FULL, 32 }; 33 34 struct aq_fc_info { 35 enum aq_fc_mode req; 36 enum aq_fc_mode cur; 37 }; 38 39 struct aq_nic_cfg_s { 40 const struct aq_hw_caps_s *aq_hw_caps; 41 u64 features; 42 u32 rxds; /* rx ring size, descriptors # */ 43 u32 txds; /* tx ring size, descriptors # */ 44 u32 vecs; /* allocated rx/tx vectors */ 45 u32 link_irq_vec; 46 u32 irq_type; 47 u32 itr; 48 u16 rx_itr; 49 u16 tx_itr; 50 u32 rxpageorder; 51 u32 num_rss_queues; 52 u32 mtu; 53 struct aq_fc_info fc; 54 u32 link_speed_msk; 55 u32 wol; 56 u8 is_vlan_rx_strip; 57 u8 is_vlan_tx_insert; 58 bool is_vlan_force_promisc; 59 u16 is_mc_list_enabled; 60 u16 mc_list_count; 61 bool is_autoneg; 62 bool is_polling; 63 bool is_rss; 64 bool is_lro; 65 bool is_qos; 66 bool is_ptp; 67 bool is_media_detect; 68 int downshift_counter; 69 enum aq_tc_mode tc_mode; 70 u32 priv_flags; 71 u8 tcs; 72 u8 prio_tc_map[8]; 73 u32 tc_max_rate[AQ_CFG_TCS_MAX]; 74 unsigned long tc_min_rate_msk; 75 u32 tc_min_rate[AQ_CFG_TCS_MAX]; 76 struct aq_rss_parameters aq_rss; 77 u32 eee_speeds; 78 }; 79 80 #define AQ_NIC_FLAG_STARTED 0x00000004U 81 #define AQ_NIC_FLAG_STOPPING 0x00000008U 82 #define AQ_NIC_FLAG_RESETTING 0x00000010U 83 #define AQ_NIC_FLAG_CLOSING 0x00000020U 84 #define AQ_NIC_PTP_DPATH_UP 0x02000000U 85 #define AQ_NIC_LINK_DOWN 0x04000000U 86 #define AQ_NIC_FLAG_ERR_UNPLUG 0x40000000U 87 #define AQ_NIC_FLAG_ERR_HW 0x80000000U 88 89 #define AQ_NIC_QUIRK_BAD_PTP BIT(0) 90 91 #define AQ_NIC_WOL_MODES (WAKE_MAGIC |\ 92 WAKE_PHY) 93 94 #define AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) \ 95 (((_NIC_CFG_)->tc_mode == AQ_TC_MODE_4TCS) ? 8 : 4) 96 97 #define AQ_NIC_CFG_TCVEC2RING(_NIC_CFG_, _TC_, _VEC_) \ 98 ((_TC_) * AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) + (_VEC_)) 99 100 #define AQ_NIC_RING2QMAP(_NIC_, _ID_) \ 101 ((_ID_) / AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg) * \ 102 (_NIC_)->aq_vecs + \ 103 ((_ID_) % AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg))) 104 105 struct aq_hw_rx_fl2 { 106 struct aq_rx_filter_vlan aq_vlans[AQ_VLAN_MAX_FILTERS]; 107 }; 108 109 struct aq_hw_rx_fl3l4 { 110 u8 active_ipv4; 111 u8 active_ipv6:2; 112 u8 is_ipv6; 113 u8 reserved_count; 114 }; 115 116 struct aq_hw_rx_fltrs_s { 117 struct hlist_head filter_list; 118 u16 active_filters; 119 struct aq_hw_rx_fl2 fl2; 120 struct aq_hw_rx_fl3l4 fl3l4; 121 /* filter ether type */ 122 u8 fet_reserved_count; 123 }; 124 125 struct aq_nic_s { 126 atomic_t flags; 127 u32 msg_enable; 128 struct aq_vec_s *aq_vec[AQ_CFG_VECS_MAX]; 129 struct aq_ring_s *aq_ring_tx[AQ_HW_QUEUES_MAX]; 130 struct aq_hw_s *aq_hw; 131 struct net_device *ndev; 132 unsigned int aq_vecs; 133 unsigned int packet_filter; 134 unsigned int power_state; 135 u8 port; 136 const struct aq_hw_ops *aq_hw_ops; 137 const struct aq_fw_ops *aq_fw_ops; 138 struct aq_nic_cfg_s aq_nic_cfg; 139 struct timer_list service_timer; 140 struct work_struct service_task; 141 struct timer_list polling_timer; 142 struct aq_hw_link_status_s link_status; 143 struct { 144 u32 count; 145 u8 ar[AQ_HW_MULTICAST_ADDRESS_MAX][ETH_ALEN]; 146 } mc_list; 147 /* Bitmask of currently assigned vlans from linux */ 148 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 149 150 struct pci_dev *pdev; 151 unsigned int msix_entry_mask; 152 u32 irqvecs; 153 /* mutex to serialize FW interface access operations */ 154 struct mutex fwreq_mutex; 155 #if IS_ENABLED(CONFIG_MACSEC) 156 struct aq_macsec_cfg *macsec_cfg; 157 #endif 158 /* PTP support */ 159 struct aq_ptp_s *aq_ptp; 160 struct aq_hw_rx_fltrs_s aq_hw_rx_fltrs; 161 }; 162 163 static inline struct device *aq_nic_get_dev(struct aq_nic_s *self) 164 { 165 return self->ndev->dev.parent; 166 } 167 168 void aq_nic_ndev_init(struct aq_nic_s *self); 169 struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev); 170 void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx, 171 struct aq_ring_s *ring); 172 struct net_device *aq_nic_get_ndev(struct aq_nic_s *self); 173 int aq_nic_init(struct aq_nic_s *self); 174 void aq_nic_cfg_start(struct aq_nic_s *self); 175 int aq_nic_ndev_register(struct aq_nic_s *self); 176 void aq_nic_ndev_free(struct aq_nic_s *self); 177 int aq_nic_start(struct aq_nic_s *self); 178 unsigned int aq_nic_map_skb(struct aq_nic_s *self, struct sk_buff *skb, 179 struct aq_ring_s *ring); 180 int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb); 181 int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p); 182 int aq_nic_get_regs_count(struct aq_nic_s *self); 183 u64 *aq_nic_get_stats(struct aq_nic_s *self, u64 *data); 184 int aq_nic_stop(struct aq_nic_s *self); 185 void aq_nic_deinit(struct aq_nic_s *self, bool link_down); 186 void aq_nic_set_power(struct aq_nic_s *self); 187 void aq_nic_free_hot_resources(struct aq_nic_s *self); 188 void aq_nic_free_vectors(struct aq_nic_s *self); 189 int aq_nic_realloc_vectors(struct aq_nic_s *self); 190 int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu); 191 int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev); 192 int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags); 193 int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev); 194 unsigned int aq_nic_get_link_speed(struct aq_nic_s *self); 195 void aq_nic_get_link_ksettings(struct aq_nic_s *self, 196 struct ethtool_link_ksettings *cmd); 197 int aq_nic_set_link_ksettings(struct aq_nic_s *self, 198 const struct ethtool_link_ksettings *cmd); 199 struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self); 200 u32 aq_nic_get_fw_version(struct aq_nic_s *self); 201 int aq_nic_set_loopback(struct aq_nic_s *self); 202 int aq_nic_set_downshift(struct aq_nic_s *self, int val); 203 int aq_nic_set_media_detect(struct aq_nic_s *self, int val); 204 int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self); 205 void aq_nic_shutdown(struct aq_nic_s *self); 206 u8 aq_nic_reserve_filter(struct aq_nic_s *self, enum aq_rx_filter_type type); 207 void aq_nic_release_filter(struct aq_nic_s *self, enum aq_rx_filter_type type, 208 u32 location); 209 int aq_nic_setup_tc_mqprio(struct aq_nic_s *self, u32 tcs, u8 *prio_tc_map); 210 int aq_nic_setup_tc_max_rate(struct aq_nic_s *self, const unsigned int tc, 211 const u32 max_rate); 212 int aq_nic_setup_tc_min_rate(struct aq_nic_s *self, const unsigned int tc, 213 const u32 min_rate); 214 #endif /* AQ_NIC_H */ 215