u-boot/net/udp.c
Philippe Reynes b43ea1bf18 net: add a generic udp protocol
This commit adds a generic udp protocol framework in the
network loop. So protocol based on udp may be implemented
without modifying the network loop (for example custom
wait magic packet).

Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2020-09-30 16:55:03 -04:00

47 lines
673 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2020 Philippe Reynes <philippe.reynes@softathome.com>
*/
#include <common.h>
#include <net.h>
#include <net/udp.h>
static struct udp_ops *udp_ops;
int udp_prereq(void)
{
int ret = 0;
if (udp_ops->prereq)
ret = udp_ops->prereq(udp_ops->data);
return ret;
}
int udp_start(void)
{
return udp_ops->start(udp_ops->data);
}
int udp_loop(struct udp_ops *ops)
{
int ret = -1;
if (!ops) {
printf("%s: ops should not be null\n", __func__);
goto out;
}
if (!ops->start) {
printf("%s: no start function defined\n", __func__);
goto out;
}
udp_ops = ops;
ret = net_loop(UDP);
out:
return ret;
}