linux-stable/net/qrtr/qrtr.h
Courtney Cavin bdabad3e36 net: Add Qualcomm IPC router
Add an implementation of Qualcomm's IPC router protocol, used to
communicate with service providing remote processors.

Signed-off-by: Courtney Cavin <courtney.cavin@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
[bjorn: Cope with 0 being a valid node id and implement RTM_NEWADDR]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-08 23:46:14 -04:00

31 lines
824 B
C

#ifndef __QRTR_H_
#define __QRTR_H_
#include <linux/types.h>
struct sk_buff;
/* endpoint node id auto assignment */
#define QRTR_EP_NID_AUTO (-1)
/**
* struct qrtr_endpoint - endpoint handle
* @xmit: Callback for outgoing packets
*
* 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;
};
int qrtr_endpoint_register(struct qrtr_endpoint *ep, unsigned int nid);
void qrtr_endpoint_unregister(struct qrtr_endpoint *ep);
int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len);
#endif