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-rw-r--r--drivers/staging/csr/unifi_clients.h129
1 files changed, 129 insertions, 0 deletions
diff --git a/drivers/staging/csr/unifi_clients.h b/drivers/staging/csr/unifi_clients.h
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+/*
+ *****************************************************************************
+ *
+ * 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__ */