wangchen61698 commented on code in PR #11578:
URL: https://github.com/apache/nuttx/pull/11578#discussion_r1462679072
##########
net/procfs/netdev_statistics.c:
##########
@@ -293,6 +293,13 @@ static int netprocfs_inet4addresses(FAR struct
netprocfs_file_s *netfile)
len += snprintf(&netfile->line[len], NET_LINELEN - len,
"\tinet addr:%s ", inet_ntoa_r(addr, inetaddr,
sizeof(inetaddr)));
+#ifdef CONFIG_NET_ARP_ACD
+ if (dev->d_acd.conflict_flag == ARP_ACD_ADDRESS_CONFLICT)
+ {
+ len += snprintf(&netfile->line[len], NET_LINELEN - len,
+ "(conflict!)");
Review Comment:
done
##########
net/arp/arp_acd.c:
##########
@@ -0,0 +1,281 @@
+/****************************************************************************
+ * net/arp/arp_acd.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+#include <nuttx/config.h>
+
+#include <debug.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <nuttx/net/ethernet.h>
+#include <nuttx/net/ip.h>
+#include <nuttx/net/net.h>
+#include <nuttx/net/netconfig.h>
+#include <nuttx/semaphore.h>
+
+#include "arp/arp.h"
+#include "netlink/netlink.h"
+#include "utils/utils.h"
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+static void arp_acd_try_announce(FAR void *net_dev);
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: arp_acd_arrange_announce
+ *
+ * Description:
+ * creat work_queue to send ARP announce
+ *
+ * Input Parameters:
+ * dev - The device driver structure to use in the send operation
+ *
+ * Returned Value:
+ * none
+ *
+ ****************************************************************************/
+
+static void arp_acd_arrange_announce(FAR struct net_driver_s *dev)
+{
+ if (dev->d_acd.need_announce == true)
+ {
+ return;
+ }
+
+ if (!work_available(&dev->d_acd.work))
+ {
+ nerr("ERROR work unavailable \n");
+ return;
+ }
+
+ int ret = work_queue(LPWORK, &dev->d_acd.work, arp_acd_try_announce,
+ (FAR void *)dev, DSEC2TICK(dev->d_acd.ttw));
Review Comment:
done
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