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sandbox: eth: Add ability to disable ping reply in sandbox eth driver

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This is needed to test the netretry functionality (make the command fail
on a sandbox eth device).

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Joe Hershberger 2015-03-22 17:09:19 -05:00 • committed by Simon Glass
parent 7d104eab7d
commit 2eede1f363
2 changed files with 32 additions and 0 deletions
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15
arch/sandbox/include/asm/eth.h Normal file
View file

@ -0,0 +1,15 @@
/*
* Copyright (c) 2015 National Instruments
*
* (C) Copyright 2015
* Joe Hershberger <joe.hershberger@ni.com>
*
* SPDX-License-Identifier: GPL-2.0
*/
#ifndef __ETH_H
#define __ETH_H
void sandbox_eth_disable_response(int index, bool disable);
#endif /* __ETH_H */

17
drivers/net/sandbox.c
View file

@ -29,6 +29,19 @@ struct eth_sandbox_priv {
int recv_packet_length; int recv_packet_length;
}; };
static bool disabled[8] = {false};
/*
* sandbox_eth_disable_response()
*
* index - The alias index (also DM seq number)
* disable - If non-zero, ignore sent packets and don't send mock response
*/
void sandbox_eth_disable_response(int index, bool disable)
{
disabled[index] = disable;
}
static int sb_eth_start(struct udevice *dev) static int sb_eth_start(struct udevice *dev)
{ {
struct eth_sandbox_priv *priv = dev_get_priv(dev); struct eth_sandbox_priv *priv = dev_get_priv(dev);
@ -48,6 +61,10 @@ static int sb_eth_send(struct udevice *dev, void *packet, int length)
debug("eth_sandbox: Send packet %d\n", length); debug("eth_sandbox: Send packet %d\n", length);
if (dev->seq >= 0 && dev->seq < ARRAY_SIZE(disabled) &&
disabled[dev->seq])
return 0;
if (ntohs(eth->et_protlen) == PROT_ARP) { if (ntohs(eth->et_protlen) == PROT_ARP) {
struct arp_hdr *arp = packet + ETHER_HDR_SIZE; struct arp_hdr *arp = packet + ETHER_HDR_SIZE;