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net: Add an accessor to know if waiting for ARP

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This single-sources the state of the ARP.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Joe Hershberger
2018-09-26 16:48:58 -05:00
parent c67a420781
commit 3f02c98bd1
2 changed files with 9 additions and 3 deletions
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11
net/arp.c
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@ -100,7 +100,7 @@ int arp_timeout_check(void)
{
ulong t;
if (!net_arp_wait_packet_ip.s_addr)
if (!arp_is_waiting())
return 0;
t = get_timer(0);
@ -187,8 +187,8 @@ void arp_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
return;
case ARPOP_REPLY: /* arp reply */
/* are we waiting for a reply */
if (!net_arp_wait_packet_ip.s_addr)
/* are we waiting for a reply? */
if (!arp_is_waiting())
break;
#ifdef CONFIG_KEEP_SERVERADDR
@ -233,3 +233,8 @@ void arp_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
return;
}
}
bool arp_is_waiting(void)
{
return !!net_arp_wait_packet_ip.s_addr;
}