| /* |
| ***************************************************************************** |
| * |
| * FILE : unifi_clients.h |
| * |
| * PURPOSE : Private header file for unifi clients. |
| * |
| * UDI = UniFi Debug Interface |
| * |
| * Copyright (C) 2005-2008 by Cambridge Silicon Radio Ltd. |
| * |
| * Refer to LICENSE.txt included with this source code for details on |
| * the license terms. |
| * |
| ***************************************************************************** |
| */ |
| #ifndef __LINUX_UNIFI_CLIENTS_H__ |
| #define __LINUX_UNIFI_CLIENTS_H__ 1 |
| |
| #include <linux/kernel.h> |
| |
| #define MAX_UDI_CLIENTS 8 |
| |
| /* The start of the range of process ids allocated for ul clients */ |
| #define UDI_SENDER_ID_BASE 0xC000 |
| #define UDI_SENDER_ID_SHIFT 8 |
| |
| |
| /* Structure to hold a UDI logged signal */ |
| typedef struct { |
| |
| /* List link structure */ |
| struct list_head q; |
| |
| /* The message that will be passed to the user app */ |
| udi_msg_t msg; |
| |
| /* Signal body and data follow */ |
| |
| } udi_log_t; |
| |
| |
| |
| typedef struct ul_client ul_client_t; |
| |
| typedef void (*udi_event_t)(ul_client_t *client, |
| const u8 *sigdata, int signal_len, |
| const bulk_data_param_t *bulkdata, |
| int dir); |
| |
| void logging_handler(void *ospriv, |
| u8 *sigdata, u32 signal_len, |
| const bulk_data_param_t *bulkdata, |
| enum udi_log_direction direction); |
| |
| |
| /* |
| * Structure describing a bulk data slot. |
| * The length field is used to indicate empty/occupied state. |
| */ |
| typedef struct _bulk_data |
| { |
| unsigned char ptr[2000]; |
| unsigned int length; |
| } bulk_data_t; |
| |
| |
| struct ul_client { |
| /* Index of this client in the ul_clients array. */ |
| int client_id; |
| |
| /* Index of UniFi device to which this client is attached. */ |
| int instance; |
| |
| /* Flag to say whether this client has been enabled. */ |
| int udi_enabled; |
| |
| /* Value to use in signal->SenderProcessId */ |
| int sender_id; |
| |
| /* Configuration flags, e.g blocking, logging, etc. */ |
| unsigned int configuration; |
| |
| udi_event_t event_hook; |
| |
| /* A list to hold signals received from UniFi for reading by read() */ |
| struct list_head udi_log; |
| |
| /* Semaphore to protect the udi_log list */ |
| struct semaphore udi_sem; |
| |
| /* |
| * Linux waitqueue to support blocking read and poll. |
| * Logging clients should wait on udi_log. while |
| * blocking clients should wait on wake_up_wq. |
| */ |
| wait_queue_head_t udi_wq; |
| CSR_SIGNAL* reply_signal; |
| bulk_data_t* reply_bulkdata[UNIFI_MAX_DATA_REFERENCES]; |
| |
| u16 signal_filter[SIG_FILTER_SIZE]; |
| |
| |
| /* ------------------------------------------------------------------- */ |
| /* Code below here is used by the sme_native configuration only */ |
| |
| /* Flag to wake up blocking clients waiting on udi_wq. */ |
| int wake_up_wq_id; |
| |
| /* |
| * A 0x00 - 0x0F mask to apply in signal->SenderProcessId. |
| * Every time we do a blocking mlme request we increase this value. |
| * The mlme_wait_for_reply() will wait for this sequence number. |
| * Only the MLME blocking functions update this field. |
| */ |
| unsigned char seq_no; |
| |
| /* |
| * A 0x00 - 0x0F counter, containing the sequence number of |
| * the signal that this client has last received. |
| * Only the MLME blocking functions update this field. |
| */ |
| unsigned char wake_seq_no; |
| |
| unifiio_snap_filter_t snap_filter; |
| }; /* struct ul_client */ |
| |
| |
| #endif /* __LINUX_UNIFI_CLIENTS_H__ */ |