net: Add an accessor to know if waiting for ARP
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>
diff --git a/include/net.h b/include/net.h
index 156bdc1..40e8953 100644
--- a/include/net.h
+++ b/include/net.h
@@ -636,6 +636,7 @@
void net_set_udp_handler(rxhand_f *); /* Set UDP RX packet handler */
rxhand_f *net_get_arp_handler(void); /* Get ARP RX packet handler */
void net_set_arp_handler(rxhand_f *); /* Set ARP RX packet handler */
+bool arp_is_waiting(void); /* Waiting for ARP reply? */
void net_set_icmp_handler(rxhand_icmp_f *f); /* Set ICMP RX handler */
void net_set_timeout_handler(ulong, thand_f *);/* Set timeout handler */
diff --git a/net/arp.c b/net/arp.c
index b8a7168..ea685d9 100644
--- a/net/arp.c
+++ b/net/arp.c
@@ -100,7 +100,7 @@
{
ulong t;
- if (!net_arp_wait_packet_ip.s_addr)
+ if (!arp_is_waiting())
return 0;
t = get_timer(0);
@@ -187,8 +187,8 @@
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 @@
return;
}
}
+
+bool arp_is_waiting(void)
+{
+ return !!net_arp_wait_packet_ip.s_addr;
+}