bcm68620_release/release/host_driver/keep_alive/bcm_keep_alive.h

/*
<:copyright-BRCM:2016:DUAL/GPL:standard

   Broadcom Proprietary and Confidential.(c) 2016 Broadcom
   All Rights Reserved

Unless you and Broadcom execute a separate written software license
agreement governing use of this software, this software is licensed
to you under the terms of the GNU General Public License version 2
(the "GPL"), available at http://www.broadcom.com/licenses/GPLv2.php,
with the following added to such license:

   As a special exception, the copyright holders of this software give
   you permission to link this software with independent modules, and
   to copy and distribute the resulting executable under terms of your
   choice, provided that you also meet, for each linked independent
   module, the terms and conditions of the license of that module.
   An independent module is a module which is not derived from this
   software.  The special exception does not apply to any modifications
   of the software.

Not withstanding the above, under no circumstances may you combine
this software in any way with any other Broadcom software provided
under a license other than the GPL, without Broadcom's express prior
written consent.

:>
 */

#ifndef BCM_KEEP_ALIVE_H_
#define BCM_KEEP_ALIVE_H_

#include <bcmos_system.h>
#include <bcmolt_conv.h>

/* Message originator : device  or host */
typedef enum
{
    BCM_KEEP_ALIVE_MSG_ORIG_DEVICE,
    BCM_KEEP_ALIVE_MSG_ORIG_HOST,
} keep_alive_msg_orig;

typedef struct
{
    char name[MAX_TIMER_NAME_SIZE];
    bcmos_timer timer;
} keep_alive_timer;

typedef bcmos_errno (*F_bcmos_keep_alive_send_handler)(bcmolt_devid device, bcmolt_msg *msg);
typedef bcmos_errno (*F_bcmos_keep_alive_disconnect_handler)(bcmolt_devid device);

typedef struct
{
    uint32_t last_sent_ka_seq;
    uint32_t last_recv_ka_seq;
    uint32_t last_recv_ka_timestamp;
    uint32_t ka_process_start_ts;
    uint32_t ka_interval;
    uint32_t ka_tolerance;
    keep_alive_msg_orig orig;
    bcmolt_devid device;
    keep_alive_timer ka_timer;
    F_bcmos_keep_alive_disconnect_handler disconnect_handler;
    F_bcmos_keep_alive_send_handler send_handler;
} bcmos_keep_alive_info;

typedef union
{
    bcmolt_device_device_keep_alive device;  /**< Keep alive message originated at the Device */
    bcmolt_device_host_keep_alive host;      /**< Keep alive message originated at the Host */
} bcmos_keep_alive_msg;

typedef union
{
    bcmolt_device_device_keep_alive_data device;  /**< Keep alive message originated at the Device */
    bcmolt_device_host_keep_alive_data host;      /**< Keep alive message originated at the Host */
} bcmos_keep_alive_data_msg;

BCMOLT_TYPE2STR(keep_alive_msg_orig, extern)

void keep_alive_rx_handler(const bcmos_keep_alive_data_msg *ka_data_msg, bcmos_keep_alive_info *ka_info);
bcmos_errno create_keep_alive_timer(bcmos_keep_alive_info *ka_info,bcmos_module_id module_id);
void start_keep_alive_process(bcmos_keep_alive_info *ka_info);
void stop_keep_alive_process(bcmos_keep_alive_info *ka_info);

#endif /* BCM_KEEP_ALIVE_H_ */