175a6faf6SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 26ec99221SDmitry Bezrukov /* Atlantic Network Driver 36ec99221SDmitry Bezrukov * 46ec99221SDmitry Bezrukov * Copyright (C) 2014-2019 aQuantia Corporation 56ec99221SDmitry Bezrukov * Copyright (C) 2019-2020 Marvell International Ltd. 697bde5c4SDavid VomLehn */ 797bde5c4SDavid VomLehn 897bde5c4SDavid VomLehn /* File aq_nic.h: Declaration of common code for NIC. */ 997bde5c4SDavid VomLehn 1097bde5c4SDavid VomLehn #ifndef AQ_NIC_H 1197bde5c4SDavid VomLehn #define AQ_NIC_H 1297bde5c4SDavid VomLehn 1397bde5c4SDavid VomLehn #include "aq_common.h" 1497bde5c4SDavid VomLehn #include "aq_rss.h" 151a713f87SIgor Russkikh #include "aq_hw.h" 1697bde5c4SDavid VomLehn 1797bde5c4SDavid VomLehn struct aq_ring_s; 1897bde5c4SDavid VomLehn struct aq_hw_ops; 19db550615SIgor Russkikh struct aq_fw_s; 20db550615SIgor Russkikh struct aq_vec_s; 2162c1c2e6SDmitry Bogdanov struct aq_macsec_cfg; 221a64f8dcSEgor Pomozov struct aq_ptp_s; 235a1bf9efSDmitry Bezrukov enum aq_rx_filter_type; 2497bde5c4SDavid VomLehn 258009bb19SNikita Danilov enum aq_fc_mode { 268009bb19SNikita Danilov AQ_NIC_FC_OFF = 0, 278009bb19SNikita Danilov AQ_NIC_FC_TX, 288009bb19SNikita Danilov AQ_NIC_FC_RX, 298009bb19SNikita Danilov AQ_NIC_FC_FULL, 308009bb19SNikita Danilov }; 318009bb19SNikita Danilov 328009bb19SNikita Danilov struct aq_fc_info { 338009bb19SNikita Danilov enum aq_fc_mode req; 348009bb19SNikita Danilov enum aq_fc_mode cur; 358009bb19SNikita Danilov }; 368009bb19SNikita Danilov 3797bde5c4SDavid VomLehn struct aq_nic_cfg_s { 384cbc9f92SIgor Russkikh const struct aq_hw_caps_s *aq_hw_caps; 39bbb67a44SDmitry Bogdanov u64 features; 4097bde5c4SDavid VomLehn u32 rxds; /* rx ring size, descriptors # */ 4197bde5c4SDavid VomLehn u32 txds; /* tx ring size, descriptors # */ 423dd3e236SIgor Russkikh u32 vecs; /* allocated rx/tx vectors */ 433dd3e236SIgor Russkikh u32 link_irq_vec; 4497bde5c4SDavid VomLehn u32 irq_type; 4597bde5c4SDavid VomLehn u32 itr; 46b82ee71aSIgor Russkikh u16 rx_itr; 47b82ee71aSIgor Russkikh u16 tx_itr; 4846f4c29dSIgor Russkikh u32 rxpageorder; 4997bde5c4SDavid VomLehn u32 num_rss_queues; 5097bde5c4SDavid VomLehn u32 mtu; 518009bb19SNikita Danilov struct aq_fc_info fc; 5297bde5c4SDavid VomLehn u32 link_speed_msk; 530e1a0ddeSYana Esina u32 wol; 54d3ed7c5cSIgor Russkikh u8 is_vlan_rx_strip; 55d3ed7c5cSIgor Russkikh u8 is_vlan_tx_insert; 5648dd73d0SDmitry Bogdanov bool is_vlan_force_promisc; 5797bde5c4SDavid VomLehn u16 is_mc_list_enabled; 5897bde5c4SDavid VomLehn u16 mc_list_count; 5997bde5c4SDavid VomLehn bool is_autoneg; 6097bde5c4SDavid VomLehn bool is_polling; 6197bde5c4SDavid VomLehn bool is_rss; 6297bde5c4SDavid VomLehn bool is_lro; 63a83fe6b6SDmitry Bezrukov bool is_qos; 640aa7bc3eSDmitry Bezrukov bool is_ptp; 65*e193c3abSIgor Russkikh int downshift_counter; 660aa7bc3eSDmitry Bezrukov enum aq_tc_mode tc_mode; 67ea4b4d7fSIgor Russkikh u32 priv_flags; 6897bde5c4SDavid VomLehn u8 tcs; 69a83fe6b6SDmitry Bezrukov u8 prio_tc_map[8]; 707327699fSMark Starovoytov u32 tc_max_rate[AQ_CFG_TCS_MAX]; 712deac71aSMark Starovoytov unsigned long tc_min_rate_msk; 722deac71aSMark Starovoytov u32 tc_min_rate[AQ_CFG_TCS_MAX]; 7397bde5c4SDavid VomLehn struct aq_rss_parameters aq_rss; 7492ab6407SYana Esina u32 eee_speeds; 7597bde5c4SDavid VomLehn }; 7697bde5c4SDavid VomLehn 7797bde5c4SDavid VomLehn #define AQ_NIC_FLAG_STARTED 0x00000004U 7897bde5c4SDavid VomLehn #define AQ_NIC_FLAG_STOPPING 0x00000008U 7997bde5c4SDavid VomLehn #define AQ_NIC_FLAG_RESETTING 0x00000010U 8097bde5c4SDavid VomLehn #define AQ_NIC_FLAG_CLOSING 0x00000020U 8104a18399SEgor Pomozov #define AQ_NIC_PTP_DPATH_UP 0x02000000U 8297bde5c4SDavid VomLehn #define AQ_NIC_LINK_DOWN 0x04000000U 8397bde5c4SDavid VomLehn #define AQ_NIC_FLAG_ERR_UNPLUG 0x40000000U 8497bde5c4SDavid VomLehn #define AQ_NIC_FLAG_ERR_HW 0x80000000U 8597bde5c4SDavid VomLehn 8623e500e8SNikita Danilov #define AQ_NIC_QUIRK_BAD_PTP BIT(0) 8723e500e8SNikita Danilov 88837c6378SNikita Danilov #define AQ_NIC_WOL_MODES (WAKE_MAGIC |\ 89837c6378SNikita Danilov WAKE_PHY) 900e1a0ddeSYana Esina 91b9e98926SMark Starovoytov #define AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) \ 92b9e98926SMark Starovoytov (((_NIC_CFG_)->tc_mode == AQ_TC_MODE_4TCS) ? 8 : 4) 93a83fe6b6SDmitry Bezrukov 94b9e98926SMark Starovoytov #define AQ_NIC_CFG_TCVEC2RING(_NIC_CFG_, _TC_, _VEC_) \ 95b9e98926SMark Starovoytov ((_TC_) * AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) + (_VEC_)) 96a83fe6b6SDmitry Bezrukov 97a83fe6b6SDmitry Bezrukov #define AQ_NIC_RING2QMAP(_NIC_, _ID_) \ 98b9e98926SMark Starovoytov ((_ID_) / AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg) * \ 99b9e98926SMark Starovoytov (_NIC_)->aq_vecs + \ 100b9e98926SMark Starovoytov ((_ID_) % AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg))) 10197bde5c4SDavid VomLehn 10254bcb3d1SDmitry Bogdanov struct aq_hw_rx_fl2 { 10354bcb3d1SDmitry Bogdanov struct aq_rx_filter_vlan aq_vlans[AQ_VLAN_MAX_FILTERS]; 10454bcb3d1SDmitry Bogdanov }; 10554bcb3d1SDmitry Bogdanov 106a6ed6f22SDmitry Bogdanov struct aq_hw_rx_fl3l4 { 107a6ed6f22SDmitry Bogdanov u8 active_ipv4; 108a6ed6f22SDmitry Bogdanov u8 active_ipv6:2; 109a6ed6f22SDmitry Bogdanov u8 is_ipv6; 1105a1bf9efSDmitry Bezrukov u8 reserved_count; 111a6ed6f22SDmitry Bogdanov }; 112a6ed6f22SDmitry Bogdanov 1138d0bcb01SDmitry Bogdanov struct aq_hw_rx_fltrs_s { 1148d0bcb01SDmitry Bogdanov struct hlist_head filter_list; 1158d0bcb01SDmitry Bogdanov u16 active_filters; 11654bcb3d1SDmitry Bogdanov struct aq_hw_rx_fl2 fl2; 117a6ed6f22SDmitry Bogdanov struct aq_hw_rx_fl3l4 fl3l4; 1185a1bf9efSDmitry Bezrukov /* filter ether type */ 1195a1bf9efSDmitry Bezrukov u8 fet_reserved_count; 1208d0bcb01SDmitry Bogdanov }; 1218d0bcb01SDmitry Bogdanov 122db550615SIgor Russkikh struct aq_nic_s { 123db550615SIgor Russkikh atomic_t flags; 12458128fa0SNikita Danilov u32 msg_enable; 125db550615SIgor Russkikh struct aq_vec_s *aq_vec[AQ_CFG_VECS_MAX]; 126a83fe6b6SDmitry Bezrukov struct aq_ring_s *aq_ring_tx[AQ_HW_QUEUES_MAX]; 127db550615SIgor Russkikh struct aq_hw_s *aq_hw; 128db550615SIgor Russkikh struct net_device *ndev; 129db550615SIgor Russkikh unsigned int aq_vecs; 130db550615SIgor Russkikh unsigned int packet_filter; 131db550615SIgor Russkikh unsigned int power_state; 132db550615SIgor Russkikh u8 port; 1338fcb98f4SIgor Russkikh const struct aq_hw_ops *aq_hw_ops; 1340c58c35fSIgor Russkikh const struct aq_fw_ops *aq_fw_ops; 135db550615SIgor Russkikh struct aq_nic_cfg_s aq_nic_cfg; 136db550615SIgor Russkikh struct timer_list service_timer; 13749544935SIgor Russkikh struct work_struct service_task; 138db550615SIgor Russkikh struct timer_list polling_timer; 139db550615SIgor Russkikh struct aq_hw_link_status_s link_status; 140db550615SIgor Russkikh struct { 141db550615SIgor Russkikh u32 count; 14294b3b542SIgor Russkikh u8 ar[AQ_HW_MULTICAST_ADDRESS_MAX][ETH_ALEN]; 143db550615SIgor Russkikh } mc_list; 1447975d2afSDmitry Bogdanov /* Bitmask of currently assigned vlans from linux */ 1457975d2afSDmitry Bogdanov unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 146db550615SIgor Russkikh 147db550615SIgor Russkikh struct pci_dev *pdev; 148db550615SIgor Russkikh unsigned int msix_entry_mask; 149a09bd81bSIgor Russkikh u32 irqvecs; 150f5dce08aSNikita Danilov /* mutex to serialize FW interface access operations */ 151f5dce08aSNikita Danilov struct mutex fwreq_mutex; 15262c1c2e6SDmitry Bogdanov #if IS_ENABLED(CONFIG_MACSEC) 15362c1c2e6SDmitry Bogdanov struct aq_macsec_cfg *macsec_cfg; 15462c1c2e6SDmitry Bogdanov #endif 1551a64f8dcSEgor Pomozov /* PTP support */ 1561a64f8dcSEgor Pomozov struct aq_ptp_s *aq_ptp; 1578d0bcb01SDmitry Bogdanov struct aq_hw_rx_fltrs_s aq_hw_rx_fltrs; 158db550615SIgor Russkikh }; 159db550615SIgor Russkikh 160db550615SIgor Russkikh static inline struct device *aq_nic_get_dev(struct aq_nic_s *self) 161db550615SIgor Russkikh { 162db550615SIgor Russkikh return self->ndev->dev.parent; 163db550615SIgor Russkikh } 164db550615SIgor Russkikh 16523ee07adSIgor Russkikh void aq_nic_ndev_init(struct aq_nic_s *self); 16697bde5c4SDavid VomLehn struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev); 16797bde5c4SDavid VomLehn void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx, 16897bde5c4SDavid VomLehn struct aq_ring_s *ring); 16997bde5c4SDavid VomLehn struct net_device *aq_nic_get_ndev(struct aq_nic_s *self); 17097bde5c4SDavid VomLehn int aq_nic_init(struct aq_nic_s *self); 17123ee07adSIgor Russkikh void aq_nic_cfg_start(struct aq_nic_s *self); 17297bde5c4SDavid VomLehn int aq_nic_ndev_register(struct aq_nic_s *self); 17397bde5c4SDavid VomLehn void aq_nic_ndev_free(struct aq_nic_s *self); 17497bde5c4SDavid VomLehn int aq_nic_start(struct aq_nic_s *self); 17504a18399SEgor Pomozov unsigned int aq_nic_map_skb(struct aq_nic_s *self, struct sk_buff *skb, 17604a18399SEgor Pomozov struct aq_ring_s *ring); 17797bde5c4SDavid VomLehn int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb); 17897bde5c4SDavid VomLehn int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p); 17997bde5c4SDavid VomLehn int aq_nic_get_regs_count(struct aq_nic_s *self); 180aec0f1aaSDmitry Bogdanov u64 *aq_nic_get_stats(struct aq_nic_s *self, u64 *data); 18197bde5c4SDavid VomLehn int aq_nic_stop(struct aq_nic_s *self); 182837c6378SNikita Danilov void aq_nic_deinit(struct aq_nic_s *self, bool link_down); 183837c6378SNikita Danilov void aq_nic_set_power(struct aq_nic_s *self); 18497bde5c4SDavid VomLehn void aq_nic_free_hot_resources(struct aq_nic_s *self); 18523ee07adSIgor Russkikh void aq_nic_free_vectors(struct aq_nic_s *self); 18614ef766bSMark Starovoytov int aq_nic_realloc_vectors(struct aq_nic_s *self); 18797bde5c4SDavid VomLehn int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu); 18897bde5c4SDavid VomLehn int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev); 18997bde5c4SDavid VomLehn int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags); 19097bde5c4SDavid VomLehn int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev); 19197bde5c4SDavid VomLehn unsigned int aq_nic_get_link_speed(struct aq_nic_s *self); 192f8244ab5SPhilippe Reynes void aq_nic_get_link_ksettings(struct aq_nic_s *self, 193f8244ab5SPhilippe Reynes struct ethtool_link_ksettings *cmd); 194f8244ab5SPhilippe Reynes int aq_nic_set_link_ksettings(struct aq_nic_s *self, 195f8244ab5SPhilippe Reynes const struct ethtool_link_ksettings *cmd); 19697bde5c4SDavid VomLehn struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self); 19797bde5c4SDavid VomLehn u32 aq_nic_get_fw_version(struct aq_nic_s *self); 198ea4b4d7fSIgor Russkikh int aq_nic_set_loopback(struct aq_nic_s *self); 199*e193c3abSIgor Russkikh int aq_nic_set_downshift(struct aq_nic_s *self, int val); 200b82ee71aSIgor Russkikh int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self); 20190869ddfSIgor Russkikh void aq_nic_shutdown(struct aq_nic_s *self); 2025a1bf9efSDmitry Bezrukov u8 aq_nic_reserve_filter(struct aq_nic_s *self, enum aq_rx_filter_type type); 2035a1bf9efSDmitry Bezrukov void aq_nic_release_filter(struct aq_nic_s *self, enum aq_rx_filter_type type, 2045a1bf9efSDmitry Bezrukov u32 location); 205a83fe6b6SDmitry Bezrukov int aq_nic_setup_tc_mqprio(struct aq_nic_s *self, u32 tcs, u8 *prio_tc_map); 2067327699fSMark Starovoytov int aq_nic_setup_tc_max_rate(struct aq_nic_s *self, const unsigned int tc, 2077327699fSMark Starovoytov const u32 max_rate); 2082deac71aSMark Starovoytov int aq_nic_setup_tc_min_rate(struct aq_nic_s *self, const unsigned int tc, 2092deac71aSMark Starovoytov const u32 min_rate); 21097bde5c4SDavid VomLehn #endif /* AQ_NIC_H */ 211