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 #include <net/xdp.h> 15 #include <linux/bpf.h> 16 17 #include "aq_common.h" 18 #include "aq_rss.h" 19 #include "aq_hw.h" 20 21 struct aq_ring_s; 22 struct aq_hw_ops; 23 struct aq_fw_s; 24 struct aq_vec_s; 25 struct aq_macsec_cfg; 26 struct aq_ptp_s; 27 enum aq_rx_filter_type; 28 29 enum aq_fc_mode { 30 AQ_NIC_FC_OFF = 0, 31 AQ_NIC_FC_TX, 32 AQ_NIC_FC_RX, 33 AQ_NIC_FC_FULL, 34 }; 35 36 struct aq_fc_info { 37 enum aq_fc_mode req; 38 enum aq_fc_mode cur; 39 }; 40 41 struct aq_nic_cfg_s { 42 const struct aq_hw_caps_s *aq_hw_caps; 43 u64 features; 44 u32 rxds; /* rx ring size, descriptors # */ 45 u32 txds; /* tx ring size, descriptors # */ 46 u32 vecs; /* allocated rx/tx vectors */ 47 u32 link_irq_vec; 48 u32 irq_type; 49 u32 itr; 50 u16 rx_itr; 51 u16 tx_itr; 52 u32 rxpageorder; 53 u32 num_rss_queues; 54 u32 mtu; 55 struct aq_fc_info fc; 56 u32 link_speed_msk; 57 u32 wol; 58 u8 is_vlan_rx_strip; 59 u8 is_vlan_tx_insert; 60 bool is_vlan_force_promisc; 61 u16 is_mc_list_enabled; 62 u16 mc_list_count; 63 bool is_autoneg; 64 bool is_polling; 65 bool is_rss; 66 bool is_lro; 67 bool is_qos; 68 bool is_ptp; 69 bool is_media_detect; 70 int downshift_counter; 71 enum aq_tc_mode tc_mode; 72 u32 priv_flags; 73 u8 tcs; 74 u8 prio_tc_map[8]; 75 u32 tc_max_rate[AQ_CFG_TCS_MAX]; 76 unsigned long tc_min_rate_msk; 77 u32 tc_min_rate[AQ_CFG_TCS_MAX]; 78 struct aq_rss_parameters aq_rss; 79 u32 eee_speeds; 80 }; 81 82 #define AQ_NIC_FLAG_STARTED 0x00000004U 83 #define AQ_NIC_FLAG_STOPPING 0x00000008U 84 #define AQ_NIC_FLAG_RESETTING 0x00000010U 85 #define AQ_NIC_FLAG_CLOSING 0x00000020U 86 #define AQ_NIC_PTP_DPATH_UP 0x02000000U 87 #define AQ_NIC_LINK_DOWN 0x04000000U 88 #define AQ_NIC_FLAG_ERR_UNPLUG 0x40000000U 89 #define AQ_NIC_FLAG_ERR_HW 0x80000000U 90 91 #define AQ_NIC_QUIRK_BAD_PTP BIT(0) 92 93 #define AQ_NIC_WOL_MODES (WAKE_MAGIC |\ 94 WAKE_PHY) 95 96 #define AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) \ 97 (((_NIC_CFG_)->tc_mode == AQ_TC_MODE_4TCS) ? 8 : 4) 98 99 #define AQ_NIC_CFG_TCVEC2RING(_NIC_CFG_, _TC_, _VEC_) \ 100 ((_TC_) * AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) + (_VEC_)) 101 102 #define AQ_NIC_RING2QMAP(_NIC_, _ID_) \ 103 ((_ID_) / AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg) * \ 104 (_NIC_)->aq_vecs + \ 105 ((_ID_) % AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg))) 106 107 struct aq_hw_rx_fl2 { 108 struct aq_rx_filter_vlan aq_vlans[AQ_VLAN_MAX_FILTERS]; 109 }; 110 111 struct aq_hw_rx_fl3l4 { 112 u8 active_ipv4; 113 u8 active_ipv6:2; 114 u8 is_ipv6; 115 u8 reserved_count; 116 }; 117 118 struct aq_hw_rx_fltrs_s { 119 struct hlist_head filter_list; 120 u16 active_filters; 121 struct aq_hw_rx_fl2 fl2; 122 struct aq_hw_rx_fl3l4 fl3l4; 123 /* filter ether type */ 124 u8 fet_reserved_count; 125 }; 126 127 struct aq_nic_s { 128 atomic_t flags; 129 u32 msg_enable; 130 struct aq_vec_s *aq_vec[AQ_CFG_VECS_MAX]; 131 struct aq_ring_s *aq_ring_tx[AQ_HW_QUEUES_MAX]; 132 struct aq_hw_s *aq_hw; 133 struct bpf_prog *xdp_prog; 134 struct net_device *ndev; 135 unsigned int aq_vecs; 136 unsigned int packet_filter; 137 unsigned int power_state; 138 u8 port; 139 const struct aq_hw_ops *aq_hw_ops; 140 const struct aq_fw_ops *aq_fw_ops; 141 struct aq_nic_cfg_s aq_nic_cfg; 142 struct timer_list service_timer; 143 struct work_struct service_task; 144 struct timer_list polling_timer; 145 struct aq_hw_link_status_s link_status; 146 struct { 147 u32 count; 148 u8 ar[AQ_HW_MULTICAST_ADDRESS_MAX][ETH_ALEN]; 149 } mc_list; 150 /* Bitmask of currently assigned vlans from linux */ 151 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 152 153 struct pci_dev *pdev; 154 unsigned int msix_entry_mask; 155 u32 irqvecs; 156 /* mutex to serialize FW interface access operations */ 157 struct mutex fwreq_mutex; 158 #if IS_ENABLED(CONFIG_MACSEC) 159 struct aq_macsec_cfg *macsec_cfg; 160 #endif 161 /* PTP support */ 162 struct aq_ptp_s *aq_ptp; 163 struct aq_hw_rx_fltrs_s aq_hw_rx_fltrs; 164 }; 165 166 static inline struct device *aq_nic_get_dev(struct aq_nic_s *self) 167 { 168 return self->ndev->dev.parent; 169 } 170 171 void aq_nic_ndev_init(struct aq_nic_s *self); 172 struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev); 173 void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx, 174 struct aq_ring_s *ring); 175 struct net_device *aq_nic_get_ndev(struct aq_nic_s *self); 176 int aq_nic_init(struct aq_nic_s *self); 177 void aq_nic_cfg_start(struct aq_nic_s *self); 178 int aq_nic_ndev_register(struct aq_nic_s *self); 179 void aq_nic_ndev_free(struct aq_nic_s *self); 180 int aq_nic_start(struct aq_nic_s *self); 181 unsigned int aq_nic_map_skb(struct aq_nic_s *self, struct sk_buff *skb, 182 struct aq_ring_s *ring); 183 int aq_nic_xmit_xdpf(struct aq_nic_s *aq_nic, struct aq_ring_s *tx_ring, 184 struct xdp_frame *xdpf); 185 int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb); 186 int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p); 187 int aq_nic_get_regs_count(struct aq_nic_s *self); 188 u64 *aq_nic_get_stats(struct aq_nic_s *self, u64 *data); 189 int aq_nic_stop(struct aq_nic_s *self); 190 void aq_nic_deinit(struct aq_nic_s *self, bool link_down); 191 void aq_nic_set_power(struct aq_nic_s *self); 192 void aq_nic_free_hot_resources(struct aq_nic_s *self); 193 void aq_nic_free_vectors(struct aq_nic_s *self); 194 int aq_nic_realloc_vectors(struct aq_nic_s *self); 195 int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu); 196 int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev); 197 int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags); 198 int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev); 199 unsigned int aq_nic_get_link_speed(struct aq_nic_s *self); 200 void aq_nic_get_link_ksettings(struct aq_nic_s *self, 201 struct ethtool_link_ksettings *cmd); 202 int aq_nic_set_link_ksettings(struct aq_nic_s *self, 203 const struct ethtool_link_ksettings *cmd); 204 struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self); 205 u32 aq_nic_get_fw_version(struct aq_nic_s *self); 206 int aq_nic_set_loopback(struct aq_nic_s *self); 207 int aq_nic_set_downshift(struct aq_nic_s *self, int val); 208 int aq_nic_set_media_detect(struct aq_nic_s *self, int val); 209 int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self); 210 void aq_nic_shutdown(struct aq_nic_s *self); 211 u8 aq_nic_reserve_filter(struct aq_nic_s *self, enum aq_rx_filter_type type); 212 void aq_nic_release_filter(struct aq_nic_s *self, enum aq_rx_filter_type type, 213 u32 location); 214 int aq_nic_setup_tc_mqprio(struct aq_nic_s *self, u32 tcs, u8 *prio_tc_map); 215 int aq_nic_setup_tc_max_rate(struct aq_nic_s *self, const unsigned int tc, 216 const u32 max_rate); 217 int aq_nic_setup_tc_min_rate(struct aq_nic_s *self, const unsigned int tc, 218 const u32 min_rate); 219 #endif /* AQ_NIC_H */ 220