2 * Copyright (c) 2015 Quantenna Communications
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 #include <linux/netdevice.h>
21 #include <linux/workqueue.h>
23 #define QTNF_MAX_MAC 3
27 QTNF_FW_STATE_FW_DNLD_DONE,
28 QTNF_FW_STATE_BOOT_DONE,
37 int (*preinit)(struct qtnf_bus *);
38 void (*stop)(struct qtnf_bus *);
40 /* control path methods */
41 int (*control_tx)(struct qtnf_bus *, struct sk_buff *);
43 /* data xfer methods */
44 int (*data_tx)(struct qtnf_bus *, struct sk_buff *);
45 void (*data_tx_timeout)(struct qtnf_bus *, struct net_device *);
46 void (*data_rx_start)(struct qtnf_bus *);
47 void (*data_rx_stop)(struct qtnf_bus *);
52 enum qtnf_fw_state fw_state;
55 const struct qtnf_bus_ops *bus_ops;
56 struct qtnf_wmac *mac[QTNF_MAX_MAC];
57 struct qtnf_qlink_transport trans;
58 struct qtnf_hw_info hw_info;
60 struct napi_struct mux_napi;
61 struct net_device mux_dev;
62 struct completion request_firmware_complete;
63 struct workqueue_struct *workqueue;
64 struct work_struct event_work;
65 struct mutex bus_lock; /* lock during command/event processing */
66 struct dentry *dbg_dir;
67 /* bus private data */
68 char bus_priv[0] __aligned(sizeof(void *));
71 static inline void *get_bus_priv(struct qtnf_bus *bus)
73 if (WARN(!bus, "qtnfmac: invalid bus pointer"))
76 return &bus->bus_priv;
79 /* callback wrappers */
81 static inline int qtnf_bus_preinit(struct qtnf_bus *bus)
83 if (!bus->bus_ops->preinit)
85 return bus->bus_ops->preinit(bus);
88 static inline void qtnf_bus_stop(struct qtnf_bus *bus)
90 if (!bus->bus_ops->stop)
92 bus->bus_ops->stop(bus);
95 static inline int qtnf_bus_data_tx(struct qtnf_bus *bus, struct sk_buff *skb)
97 return bus->bus_ops->data_tx(bus, skb);
101 qtnf_bus_data_tx_timeout(struct qtnf_bus *bus, struct net_device *ndev)
103 return bus->bus_ops->data_tx_timeout(bus, ndev);
106 static inline int qtnf_bus_control_tx(struct qtnf_bus *bus, struct sk_buff *skb)
108 return bus->bus_ops->control_tx(bus, skb);
111 static inline void qtnf_bus_data_rx_start(struct qtnf_bus *bus)
113 return bus->bus_ops->data_rx_start(bus);
116 static inline void qtnf_bus_data_rx_stop(struct qtnf_bus *bus)
118 return bus->bus_ops->data_rx_stop(bus);
121 static __always_inline void qtnf_bus_lock(struct qtnf_bus *bus)
123 mutex_lock(&bus->bus_lock);
126 static __always_inline void qtnf_bus_unlock(struct qtnf_bus *bus)
128 mutex_unlock(&bus->bus_lock);
131 /* interface functions from common layer */
133 int qtnf_core_attach(struct qtnf_bus *bus);
134 void qtnf_core_detach(struct qtnf_bus *bus);
135 void qtnf_txflowblock(struct device *dev, bool state);
136 void qtnf_txcomplete(struct device *dev, struct sk_buff *txp, bool success);
138 #endif /* QTNFMAC_BUS_H */