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158 lines
3.6 KiB
158 lines
3.6 KiB
/* SPDX-License-Identifier: GPL-2.0+ */ |
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/* Copyright (c) 2015 Quantenna Communications. All rights reserved. */ |
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#ifndef QTNFMAC_BUS_H |
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#define QTNFMAC_BUS_H |
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#include <linux/netdevice.h> |
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#include <linux/workqueue.h> |
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#include "trans.h" |
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#include "core.h" |
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#define QTNF_MAX_MAC 3 |
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#define HBM_FRAME_META_MAGIC_PATTERN_S 0xAB |
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#define HBM_FRAME_META_MAGIC_PATTERN_E 0xBA |
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struct qtnf_frame_meta_info { |
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u8 magic_s; |
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u8 ifidx; |
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u8 macid; |
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u8 magic_e; |
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} __packed; |
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enum qtnf_fw_state { |
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QTNF_FW_STATE_DETACHED, |
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QTNF_FW_STATE_BOOT_DONE, |
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QTNF_FW_STATE_ACTIVE, |
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QTNF_FW_STATE_RUNNING, |
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QTNF_FW_STATE_DEAD, |
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}; |
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struct qtnf_bus; |
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struct qtnf_bus_ops { |
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/* mgmt methods */ |
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int (*preinit)(struct qtnf_bus *); |
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void (*stop)(struct qtnf_bus *); |
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/* control path methods */ |
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int (*control_tx)(struct qtnf_bus *, struct sk_buff *); |
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/* data xfer methods */ |
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int (*data_tx)(struct qtnf_bus *bus, struct sk_buff *skb, |
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unsigned int macid, unsigned int vifid); |
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void (*data_tx_timeout)(struct qtnf_bus *, struct net_device *); |
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void (*data_tx_use_meta_set)(struct qtnf_bus *bus, bool use_meta); |
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void (*data_rx_start)(struct qtnf_bus *); |
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void (*data_rx_stop)(struct qtnf_bus *); |
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}; |
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struct qtnf_bus { |
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struct device *dev; |
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enum qtnf_fw_state fw_state; |
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u32 chip; |
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u32 chiprev; |
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struct qtnf_bus_ops *bus_ops; |
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struct qtnf_wmac *mac[QTNF_MAX_MAC]; |
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struct qtnf_qlink_transport trans; |
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struct qtnf_hw_info hw_info; |
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struct napi_struct mux_napi; |
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struct net_device mux_dev; |
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struct workqueue_struct *workqueue; |
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struct workqueue_struct *hprio_workqueue; |
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struct work_struct fw_work; |
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struct work_struct event_work; |
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struct mutex bus_lock; /* lock during command/event processing */ |
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struct dentry *dbg_dir; |
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struct notifier_block netdev_nb; |
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u8 hw_id[ETH_ALEN]; |
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/* bus private data */ |
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char bus_priv[] __aligned(sizeof(void *)); |
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}; |
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static inline bool qtnf_fw_is_up(struct qtnf_bus *bus) |
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{ |
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enum qtnf_fw_state state = bus->fw_state; |
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return ((state == QTNF_FW_STATE_ACTIVE) || |
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(state == QTNF_FW_STATE_RUNNING)); |
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} |
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static inline bool qtnf_fw_is_attached(struct qtnf_bus *bus) |
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{ |
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enum qtnf_fw_state state = bus->fw_state; |
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return ((state == QTNF_FW_STATE_ACTIVE) || |
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(state == QTNF_FW_STATE_RUNNING) || |
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(state == QTNF_FW_STATE_DEAD)); |
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} |
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static inline void *get_bus_priv(struct qtnf_bus *bus) |
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{ |
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if (WARN(!bus, "qtnfmac: invalid bus pointer")) |
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return NULL; |
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return &bus->bus_priv; |
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} |
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/* callback wrappers */ |
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static inline int qtnf_bus_preinit(struct qtnf_bus *bus) |
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{ |
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if (!bus->bus_ops->preinit) |
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return 0; |
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return bus->bus_ops->preinit(bus); |
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} |
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static inline void qtnf_bus_stop(struct qtnf_bus *bus) |
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{ |
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if (!bus->bus_ops->stop) |
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return; |
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bus->bus_ops->stop(bus); |
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} |
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static inline int qtnf_bus_data_tx(struct qtnf_bus *bus, struct sk_buff *skb, |
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unsigned int macid, unsigned int vifid) |
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{ |
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return bus->bus_ops->data_tx(bus, skb, macid, vifid); |
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} |
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static inline void |
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qtnf_bus_data_tx_timeout(struct qtnf_bus *bus, struct net_device *ndev) |
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{ |
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return bus->bus_ops->data_tx_timeout(bus, ndev); |
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} |
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static inline int qtnf_bus_control_tx(struct qtnf_bus *bus, struct sk_buff *skb) |
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{ |
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return bus->bus_ops->control_tx(bus, skb); |
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} |
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static inline void qtnf_bus_data_rx_start(struct qtnf_bus *bus) |
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{ |
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return bus->bus_ops->data_rx_start(bus); |
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} |
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static inline void qtnf_bus_data_rx_stop(struct qtnf_bus *bus) |
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{ |
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return bus->bus_ops->data_rx_stop(bus); |
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} |
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static __always_inline void qtnf_bus_lock(struct qtnf_bus *bus) |
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{ |
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mutex_lock(&bus->bus_lock); |
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} |
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static __always_inline void qtnf_bus_unlock(struct qtnf_bus *bus) |
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{ |
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mutex_unlock(&bus->bus_lock); |
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} |
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/* interface functions from common layer */ |
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int qtnf_core_attach(struct qtnf_bus *bus); |
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void qtnf_core_detach(struct qtnf_bus *bus); |
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#endif /* QTNFMAC_BUS_H */
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