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2025-08-12 22:16:57 +02:00

60 lines
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C
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __QRTR_H_
#define __QRTR_H_
#include <linux/types.h>
struct sk_buff;
/* endpoint node id auto assignment */
#define QRTR_EP_NID_AUTO (-1)
#define QRTR_EP_NET_ID_AUTO (1)
#define QRTR_DEL_PROC_MAGIC 0xe111
/**
* struct qrtr_endpoint - endpoint handle
* @xmit: Callback for outgoing packets
* @in_thread: To indicate if the data callback runs in thread context
*
* The socket buffer passed to the xmit function becomes owned by the endpoint
* driver. As such, when the driver is done with the buffer, it should
* call kfree_skb() on failure, or consume_skb() on success.
*/
struct qrtr_endpoint {
int (*xmit)(struct qrtr_endpoint *ep, struct sk_buff *skb);
/* private: not for endpoint use */
struct qrtr_node *node;
bool in_thread;
};
/**
* struct qrtr_array - array with size
* @arr: elements in the array
* @size: number of elements
*
* An array with its size provided.
*/
struct qrtr_array {
u32 *arr;
size_t size;
};
int qrtr_endpoint_register(struct qrtr_endpoint *ep, unsigned int net_id,
bool rt, struct qrtr_array *no_wake);
void qrtr_endpoint_unregister(struct qrtr_endpoint *ep);
int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len);
int qrtr_ns_init(void);
void qrtr_ns_remove(void);
int qrtr_peek_pkt_size(const void *data);
int qrtr_get_service_id(unsigned int node_id, unsigned int port_id);
void qrtr_print_wakeup_reason(const void *data);
#endif