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1/* SPDX-License-Identifier: GPL-2.0-only */2/* Atlantic Network Driver3 *4 * Copyright (C) 2014-2019 aQuantia Corporation5 * 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_H11#define AQ_NIC_H12 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 21struct aq_ring_s;22struct aq_hw_ops;23struct aq_fw_s;24struct aq_vec_s;25struct aq_macsec_cfg;26struct aq_ptp_s;27enum aq_rx_filter_type;28 29enum 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 36struct aq_fc_info {37 enum aq_fc_mode req;38 enum aq_fc_mode cur;39};40 41struct 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 0x00000004U83#define AQ_NIC_FLAG_STOPPING 0x00000008U84#define AQ_NIC_FLAG_RESETTING 0x00000010U85#define AQ_NIC_FLAG_CLOSING 0x00000020U86#define AQ_NIC_PTP_DPATH_UP 0x02000000U87#define AQ_NIC_LINK_DOWN 0x04000000U88#define AQ_NIC_FLAG_ERR_UNPLUG 0x40000000U89#define AQ_NIC_FLAG_ERR_HW 0x80000000U90 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 107struct aq_hw_rx_fl2 {108 struct aq_rx_filter_vlan aq_vlans[AQ_VLAN_MAX_FILTERS];109};110 111struct aq_hw_rx_fl3l4 {112 u8 active_ipv4;113 u8 active_ipv6:2;114 u8 is_ipv6;115 u8 reserved_count;116};117 118struct 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 127struct 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 /* mutex to protect data in macsec_cfg */161 struct mutex macsec_mutex;162#endif163 /* PTP support */164 struct aq_ptp_s *aq_ptp;165 struct aq_hw_rx_fltrs_s aq_hw_rx_fltrs;166};167 168static inline struct device *aq_nic_get_dev(struct aq_nic_s *self)169{170 return self->ndev->dev.parent;171}172 173void aq_nic_ndev_init(struct aq_nic_s *self);174struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev);175void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx,176 struct aq_ring_s *ring);177struct net_device *aq_nic_get_ndev(struct aq_nic_s *self);178int aq_nic_init(struct aq_nic_s *self);179void aq_nic_cfg_start(struct aq_nic_s *self);180int aq_nic_ndev_register(struct aq_nic_s *self);181void aq_nic_ndev_free(struct aq_nic_s *self);182int aq_nic_start(struct aq_nic_s *self);183unsigned int aq_nic_map_skb(struct aq_nic_s *self, struct sk_buff *skb,184 struct aq_ring_s *ring);185int aq_nic_xmit_xdpf(struct aq_nic_s *aq_nic, struct aq_ring_s *tx_ring,186 struct xdp_frame *xdpf);187int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb);188int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p);189int aq_nic_get_regs_count(struct aq_nic_s *self);190u64 *aq_nic_get_stats(struct aq_nic_s *self, u64 *data);191int aq_nic_stop(struct aq_nic_s *self);192void aq_nic_deinit(struct aq_nic_s *self, bool link_down);193void aq_nic_set_power(struct aq_nic_s *self);194void aq_nic_free_hot_resources(struct aq_nic_s *self);195void aq_nic_free_vectors(struct aq_nic_s *self);196int aq_nic_realloc_vectors(struct aq_nic_s *self);197int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu);198int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev);199int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags);200int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev);201unsigned int aq_nic_get_link_speed(struct aq_nic_s *self);202void aq_nic_get_link_ksettings(struct aq_nic_s *self,203 struct ethtool_link_ksettings *cmd);204int aq_nic_set_link_ksettings(struct aq_nic_s *self,205 const struct ethtool_link_ksettings *cmd);206struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self);207u32 aq_nic_get_fw_version(struct aq_nic_s *self);208int aq_nic_set_loopback(struct aq_nic_s *self);209int aq_nic_set_downshift(struct aq_nic_s *self, int val);210int aq_nic_set_media_detect(struct aq_nic_s *self, int val);211int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self);212void aq_nic_shutdown(struct aq_nic_s *self);213u8 aq_nic_reserve_filter(struct aq_nic_s *self, enum aq_rx_filter_type type);214void aq_nic_release_filter(struct aq_nic_s *self, enum aq_rx_filter_type type,215 u32 location);216int aq_nic_setup_tc_mqprio(struct aq_nic_s *self, u32 tcs, u8 *prio_tc_map);217int aq_nic_setup_tc_max_rate(struct aq_nic_s *self, const unsigned int tc,218 const u32 max_rate);219int aq_nic_setup_tc_min_rate(struct aq_nic_s *self, const unsigned int tc,220 const u32 min_rate);221#endif /* AQ_NIC_H */222