112 lines
2.7 KiB
C
112 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2015 National Instruments
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*
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* (C) Copyright 2015
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* Joe Hershberger <joe.hershberger@ni.com>
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*/
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#ifndef __ETH_H
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#define __ETH_H
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#include <net.h>
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void sandbox_eth_disable_response(int index, bool disable);
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void sandbox_eth_skip_timeout(void);
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/*
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* sandbox_eth_arp_req_to_reply()
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*
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* Check for an arp request to be sent. If so, inject a reply
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*
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* @dev: device that received the packet
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* @packet: pointer to the received pacaket buffer
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* @len: length of received packet
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* Return: 0 if injected, -EAGAIN if not
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*/
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int sandbox_eth_arp_req_to_reply(struct udevice *dev, void *packet,
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unsigned int len);
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/*
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* sandbox_eth_ping_req_to_reply()
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*
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* Check for a ping request to be sent. If so, inject a reply
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*
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* @dev: device that received the packet
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* @packet: pointer to the received pacaket buffer
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* @len: length of received packet
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* Return: 0 if injected, -EAGAIN if not
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*/
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int sandbox_eth_ping_req_to_reply(struct udevice *dev, void *packet,
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unsigned int len);
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/*
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* sandbox_eth_recv_arp_req()
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*
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* Inject an ARP request for this target
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*
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* @dev: device that received the packet
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* Return: 0 if injected, -EOVERFLOW if not
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*/
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int sandbox_eth_recv_arp_req(struct udevice *dev);
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/*
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* sandbox_eth_recv_ping_req()
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*
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* Inject a ping request for this target
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*
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* @dev: device that received the packet
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* Return: 0 if injected, -EOVERFLOW if not
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*/
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int sandbox_eth_recv_ping_req(struct udevice *dev);
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/**
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* A packet handler
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*
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* dev - device pointer
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* pkt - pointer to the "sent" packet
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* len - packet length
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*/
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typedef int sandbox_eth_tx_hand_f(struct udevice *dev, void *pkt,
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unsigned int len);
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/**
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* struct eth_sandbox_priv - memory for sandbox mock driver
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*
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* fake_host_hwaddr - MAC address of mocked machine
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* fake_host_ipaddr - IP address of mocked machine
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* disabled - Will not respond
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* recv_packet_buffer - buffers of the packet returned as received
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* recv_packet_length - lengths of the packet returned as received
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* recv_packets - number of packets returned
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* tx_handler - function to generate responses to sent packets
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* priv - a pointer to some structure a test may want to keep track of
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*/
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struct eth_sandbox_priv {
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uchar fake_host_hwaddr[ARP_HLEN];
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struct in_addr fake_host_ipaddr;
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bool disabled;
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uchar * recv_packet_buffer[PKTBUFSRX];
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int recv_packet_length[PKTBUFSRX];
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int recv_packets;
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sandbox_eth_tx_hand_f *tx_handler;
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void *priv;
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};
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/*
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* Set packet handler
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*
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* handler - The func ptr to call on send. If NULL, set to default handler
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*/
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void sandbox_eth_set_tx_handler(int index, sandbox_eth_tx_hand_f *handler);
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/*
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* Set priv ptr
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*
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* priv - priv void ptr to store in the device
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*/
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void sandbox_eth_set_priv(int index, void *priv);
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#endif /* __ETH_H */
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