Completes conversion of CONFIG_NET_BUFIZE to CONFIG_NET_ETH/SLIP_MTU

2026-06-01 07:45:16 +08:00 · 2014-11-16 09:22:38 -06:00
parent b9cd425bc2
commit 859748a94e
10 changed files with 56 additions and 36 deletions
@@ -316,8 +316,12 @@ static int netdev_ifrioctl(FAR struct socket *psock, int cmd,

      case SIOCGIFMTU:  /* Get MTU size */
        {
-          req->ifr_mtu = CONFIG_NET_BUFSIZE;
-          ret = OK;
+          dev = netdev_ifrdev(req);
+          if (dev)
+            {
+              req->ifr_mtu = NET_LL_MTU(dev);
+              ret = OK;
+            }
        }
        break;