/* SPDX-License-Identifier: GPL-2.0-only */ /* Atlantic Network Driver * * Copyright (C) 2014-2019 aQuantia Corporation * Copyright (C) 2019-2020 Marvell International Ltd. */ /* File aq_nic.h: Declaration of common code for NIC. */ #ifndef AQ_NIC_H #define AQ_NIC_H #include #include "aq_common.h" #include "aq_rss.h" #include "aq_hw.h" struct aq_ring_s; struct aq_hw_ops; struct aq_fw_s; struct aq_vec_s; struct aq_macsec_cfg; struct aq_ptp_s; enum aq_rx_filter_type; enum aq_fc_mode { AQ_NIC_FC_OFF = 0, AQ_NIC_FC_TX, AQ_NIC_FC_RX, AQ_NIC_FC_FULL, }; struct aq_fc_info { enum aq_fc_mode req; enum aq_fc_mode cur; }; struct aq_nic_cfg_s { const struct aq_hw_caps_s *aq_hw_caps; u64 features; u32 rxds; /* rx ring size, descriptors # */ u32 txds; /* tx ring size, descriptors # */ u32 vecs; /* allocated rx/tx vectors */ u32 link_irq_vec; u32 irq_type; u32 itr; u16 rx_itr; u16 tx_itr; u32 rxpageorder; u32 num_rss_queues; u32 mtu; struct aq_fc_info fc; u32 link_speed_msk; u32 wol; u8 is_vlan_rx_strip; u8 is_vlan_tx_insert; bool is_vlan_force_promisc; u16 is_mc_list_enabled; u16 mc_list_count; bool is_autoneg; bool is_polling; bool is_rss; bool is_lro; bool is_qos; bool is_ptp; bool is_media_detect; int downshift_counter; enum aq_tc_mode tc_mode; u32 priv_flags; u8 tcs; u8 prio_tc_map[8]; u32 tc_max_rate[AQ_CFG_TCS_MAX]; unsigned long tc_min_rate_msk; u32 tc_min_rate[AQ_CFG_TCS_MAX]; struct aq_rss_parameters aq_rss; u32 eee_speeds; }; #define AQ_NIC_FLAG_STARTED 0x00000004U #define AQ_NIC_FLAG_STOPPING 0x00000008U #define AQ_NIC_FLAG_RESETTING 0x00000010U #define AQ_NIC_FLAG_CLOSING 0x00000020U #define AQ_NIC_PTP_DPATH_UP 0x02000000U #define AQ_NIC_LINK_DOWN 0x04000000U #define AQ_NIC_FLAG_ERR_UNPLUG 0x40000000U #define AQ_NIC_FLAG_ERR_HW 0x80000000U #define AQ_NIC_QUIRK_BAD_PTP BIT(0) #define AQ_NIC_WOL_MODES (WAKE_MAGIC |\ WAKE_PHY) #define AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) \ (((_NIC_CFG_)->tc_mode == AQ_TC_MODE_4TCS) ? 8 : 4) #define AQ_NIC_CFG_TCVEC2RING(_NIC_CFG_, _TC_, _VEC_) \ ((_TC_) * AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) + (_VEC_)) #define AQ_NIC_RING2QMAP(_NIC_, _ID_) \ ((_ID_) / AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg) * \ (_NIC_)->aq_vecs + \ ((_ID_) % AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg))) struct aq_hw_rx_fl2 { struct aq_rx_filter_vlan aq_vlans[AQ_VLAN_MAX_FILTERS]; }; struct aq_hw_rx_fl3l4 { u8 active_ipv4; u8 active_ipv6:2; u8 is_ipv6; u8 reserved_count; }; struct aq_hw_rx_fltrs_s { struct hlist_head filter_list; u16 active_filters; struct aq_hw_rx_fl2 fl2; struct aq_hw_rx_fl3l4 fl3l4; /* filter ether type */ u8 fet_reserved_count; }; struct aq_nic_s { atomic_t flags; u32 msg_enable; struct aq_vec_s *aq_vec[AQ_CFG_VECS_MAX]; struct aq_ring_s *aq_ring_tx[AQ_HW_QUEUES_MAX]; struct aq_hw_s *aq_hw; struct net_device *ndev; unsigned int aq_vecs; unsigned int packet_filter; unsigned int power_state; u8 port; const struct aq_hw_ops *aq_hw_ops; const struct aq_fw_ops *aq_fw_ops; struct aq_nic_cfg_s aq_nic_cfg; struct timer_list service_timer; struct work_struct service_task; struct timer_list polling_timer; struct aq_hw_link_status_s link_status; struct { u32 count; u8 ar[AQ_HW_MULTICAST_ADDRESS_MAX][ETH_ALEN]; } mc_list; /* Bitmask of currently assigned vlans from linux */ unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; struct pci_dev *pdev; unsigned int msix_entry_mask; u32 irqvecs; /* mutex to serialize FW interface access operations */ struct mutex fwreq_mutex; #if IS_ENABLED(CONFIG_MACSEC) struct aq_macsec_cfg *macsec_cfg; /* mutex to protect data in macsec_cfg */ struct mutex macsec_mutex; #endif /* PTP support */ struct aq_ptp_s *aq_ptp; struct aq_hw_rx_fltrs_s aq_hw_rx_fltrs; }; static inline struct device *aq_nic_get_dev(struct aq_nic_s *self) { return self->ndev->dev.parent; } void aq_nic_ndev_init(struct aq_nic_s *self); struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev); void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx, struct aq_ring_s *ring); struct net_device *aq_nic_get_ndev(struct aq_nic_s *self); int aq_nic_init(struct aq_nic_s *self); void aq_nic_cfg_start(struct aq_nic_s *self); int aq_nic_ndev_register(struct aq_nic_s *self); void aq_nic_ndev_free(struct aq_nic_s *self); int aq_nic_start(struct aq_nic_s *self); unsigned int aq_nic_map_skb(struct aq_nic_s *self, struct sk_buff *skb, struct aq_ring_s *ring); int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb); int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p); int aq_nic_get_regs_count(struct aq_nic_s *self); u64 *aq_nic_get_stats(struct aq_nic_s *self, u64 *data); int aq_nic_stop(struct aq_nic_s *self); void aq_nic_deinit(struct aq_nic_s *self, bool link_down); void aq_nic_set_power(struct aq_nic_s *self); void aq_nic_free_hot_resources(struct aq_nic_s *self); void aq_nic_free_vectors(struct aq_nic_s *self); int aq_nic_realloc_vectors(struct aq_nic_s *self); int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu); int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev); int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags); int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev); unsigned int aq_nic_get_link_speed(struct aq_nic_s *self); void aq_nic_get_link_ksettings(struct aq_nic_s *self, struct ethtool_link_ksettings *cmd); int aq_nic_set_link_ksettings(struct aq_nic_s *self, const struct ethtool_link_ksettings *cmd); struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self); u32 aq_nic_get_fw_version(struct aq_nic_s *self); int aq_nic_set_loopback(struct aq_nic_s *self); int aq_nic_set_downshift(struct aq_nic_s *self, int val); int aq_nic_set_media_detect(struct aq_nic_s *self, int val); int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self); void aq_nic_shutdown(struct aq_nic_s *self); u8 aq_nic_reserve_filter(struct aq_nic_s *self, enum aq_rx_filter_type type); void aq_nic_release_filter(struct aq_nic_s *self, enum aq_rx_filter_type type, u32 location); int aq_nic_setup_tc_mqprio(struct aq_nic_s *self, u32 tcs, u8 *prio_tc_map); int aq_nic_setup_tc_max_rate(struct aq_nic_s *self, const unsigned int tc, const u32 max_rate); int aq_nic_setup_tc_min_rate(struct aq_nic_s *self, const unsigned int tc, const u32 min_rate); #endif /* AQ_NIC_H */