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      1 /* SPDX-License-Identifier: GPL-2.0 */
      2 /*
      3  * Copyright (c) 2015 National Instruments
      4  *
      5  * (C) Copyright 2015
      6  * Joe Hershberger <joe.hershberger (at) ni.com>
      7  */
      8 
      9 #ifndef __ETH_RAW_OS_H
     10 #define __ETH_RAW_OS_H
     11 
     12 /**
     13  * struct eth_sandbox_raw_priv - raw socket session
     14  *
     15  * sd: socket descriptor - the open socket during a session
     16  * device: struct sockaddr_ll - the host interface packets move to/from
     17  * local: 1 or 0 to select the local interface ('lo') or not
     18  * local_bindsd: socket descriptor to prevent the kernel from sending
     19  *		 a message to the server claiming the port is
     20  *		 unreachable
     21  * local_bind_udp_port: The UDP port number that we bound to
     22  */
     23 struct eth_sandbox_raw_priv {
     24 	int sd;
     25 	void *device;
     26 	int local;
     27 	int local_bind_sd;
     28 	unsigned short local_bind_udp_port;
     29 };
     30 
     31 int sandbox_eth_raw_os_start(const char *ifname, unsigned char *ethmac,
     32 			    struct eth_sandbox_raw_priv *priv);
     33 int sandbox_eth_raw_os_send(void *packet, int length,
     34 			    struct eth_sandbox_raw_priv *priv);
     35 int sandbox_eth_raw_os_recv(void *packet, int *length,
     36 			    const struct eth_sandbox_raw_priv *priv);
     37 void sandbox_eth_raw_os_stop(struct eth_sandbox_raw_priv *priv);
     38 
     39 #endif /* __ETH_RAW_OS_H */
     40