Merge "soc: qcom: qrtr: APIs for ethernet transport"

/*

 * Copyright (c) 2020, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

 * only version 2 as published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * QRTR-Ethernet API header

 */

#ifndef _QRTR_ETHERNET_H

#define _QRTR_ETHERNET_H

#include <linux/skbuff.h>

/**

 * qrtr_ethernet_cb_info - struct to pass transport layer information to qrtr

 * @eth_send: function pointer to send qrtr packets to transport layer

 */

struct qrtr_ethernet_cb_info {

	int (*eth_send)(struct sk_buff *skb);

};

/**

 * eth_adapt_result - struct to pass on buffer from external ap to qrtr

 * buf_addr - address of the buffer that holds the data from external ap

 * bytes_xferd - size of the above buffer

 */

struct eth_adapt_result {

	void *buf_addr;

	size_t bytes_xferd;

};

#if IS_ENABLED(CONFIG_QRTR_ETHERNET) || IS_ENABLED(CONFIG_QTI_QRTR_ETHERNET)

void qcom_ethernet_init_cb(struct qrtr_ethernet_cb_info *cbinfo);

void qcom_ethernet_qrtr_dl_cb(struct eth_adapt_result *eth_res);

void qcom_ethernet_qrtr_status_cb(unsigned int event);

#else

static inline void qcom_ethernet_init_cb(struct qrtr_ethernet_cb_info *cbinfo)

{

}

static inline void qcom_ethernet_qrtr_dl_cb(struct eth_adapt_result *eth_res) {}

static inline void qcom_ethernet_qrtr_status_cb(unsigned int event) {}

#endif /* CONFIG_QRTR_ETHERNET or CONFIG_QTI_QRTR_ETHERNET */

#endif /* _QRTR_ETHERNET_H */