diff options
Diffstat (limited to 'drivers/net/ethernet/aquantia/atlantic/aq_nic.h')
| -rw-r--r-- | drivers/net/ethernet/aquantia/atlantic/aq_nic.h | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h new file mode 100644 index 000000000..ad33f8586 --- /dev/null +++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h @@ -0,0 +1,221 @@ +/* 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 <linux/ethtool.h> +#include <net/xdp.h> +#include <linux/bpf.h> + +#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 bpf_prog *xdp_prog; + 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_xdpf(struct aq_nic_s *aq_nic, struct aq_ring_s *tx_ring, + struct xdp_frame *xdpf); +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 */ |