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dhcpc abnormal block

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The logic changes are as follows:
1、Loop sending the DISCOVER up to CONFIG_NETUTILS_DHCPC_RETRIES times
   and exit if failure
2、Loop sending the REQUEST up to CONFIG_NETUTILS_DHCPC_RETRIES times
   and exit if failure

Signed-off-by: songlinzhang <songlinzhang@xiaomi.com>
This commit is contained in:
songlinzhang 2021-09-28 14:41:29 +08:00 committed by Alan Carvalho de Assis
parent 80dcc185f3
commit 98dfaa3eff
1 changed files with 153 additions and 152 deletions
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11
netutils/dhcpc/dhcpc.c
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@ -579,10 +579,6 @@ int dhcpc_request(FAR void *handle, FAR struct dhcpc_state *presult)
oldaddr.s_addr = 0;
netlib_get_ipv4addr(pdhcpc->interface, &oldaddr);
/* Loop until we receive the lease (or an error occurs) */
do
{
/* Set the IP address to INADDR_ANY. */
newaddr.s_addr = INADDR_ANY;
@ -748,8 +744,13 @@ int dhcpc_request(FAR void *handle, FAR struct dhcpc_state *presult)
}
while (state == STATE_HAVE_OFFER &&
retries < CONFIG_NETUTILS_DHCPC_RETRIES);
/* If no DHCPLEASE recveived here, error out */
if (state != STATE_HAVE_LEASE)
{
return ERROR;
}
while (state != STATE_HAVE_LEASE);
ninfo("Got IP address %d.%d.%d.%d\n",
(int)((presult->ipaddr.s_addr) & 0xff),