anchao commented on code in PR #7020:
URL: https://github.com/apache/incubator-nuttx/pull/7020#discussion_r964337633
##########
net/netdev/netdev_ioctl.c:
##########
@@ -636,235 +636,204 @@ static FAR struct net_driver_s *netdev_ifr_dev(FAR
struct ifreq *req)
static int netdev_ifr_ioctl(FAR struct socket *psock, int cmd,
FAR struct ifreq *req)
{
- FAR struct net_driver_s *dev;
- int ret = -EINVAL;
+ FAR struct net_driver_s *dev = NULL;
+ FAR struct net_driver_s *tmpdev;
+ ssize_t arglen;
+ int ret;
ninfo("cmd: %d\n", cmd);
net_lock();
- /* Execute the command */
+ /* Execute the command without ifr_name or lifr_name */
switch (cmd)
{
+ case SIOCGIFCOUNT: /* Get number of devices */
+ {
+ req->ifr_count = netdev_count();
+ ret = OK;
+ }
+ break;
+
#ifdef CONFIG_NET_IPv4
- case SIOCGIFADDR: /* Get IP address */
+ case SIOCGIFCONF: /* Return an interface list (IPv4) */
{
- dev = netdev_ifr_dev(req);
- if (dev)
- {
- ioctl_get_ipv4addr(&req->ifr_addr, dev->d_ipaddr);
- ret = OK;
- }
+ ret = netdev_ipv4_ifconf((FAR struct ifconf *)req);
}
break;
#endif
-#ifdef CONFIG_NET_IPv4
- case SIOCSIFADDR: /* Set IP address */
+#ifdef CONFIG_NET_IPv6
+ case SIOCGLIFCONF: /* Return an interface list (IPv6) */
{
- dev = netdev_ifr_dev(req);
- if (dev)
- {
- ioctl_set_ipv4addr(&dev->d_ipaddr, &req->ifr_addr);
- ret = OK;
- }
+ ret = netdev_ipv6_ifconf((FAR struct lifconf *)req);
}
break;
#endif
-#ifdef CONFIG_NET_IPv4
- case SIOCGIFDSTADDR: /* Get P-to-P address */
+#ifdef CONFIG_NETDEV_IFINDEX
+ case SIOCGIFNAME: /* Get interface name */
{
- dev = netdev_ifr_dev(req);
- if (dev)
+ tmpdev = netdev_findbyindex(req->ifr_ifindex);
+ if (tmpdev != NULL)
{
- ioctl_get_ipv4addr(&req->ifr_dstaddr, dev->d_draddr);
+ strlcpy(req->ifr_name, tmpdev->d_ifname, IFNAMSIZ);
ret = OK;
}
+ else
+ {
+ ret = -ENODEV;
+ }
}
break;
#endif
-
-#ifdef CONFIG_NET_IPv4
- case SIOCSIFDSTADDR: /* Set P-to-P address */
+ default:
{
- dev = netdev_ifr_dev(req);
- if (dev)
+ arglen = net_ioctl_arglen(cmd);
+
+ if (arglen == sizeof(struct ifreq) ||
Review Comment:
I will split the part "struct ifreq" commands out of net_ioctl_arglen() to
ensure the consistency of parameter
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