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