[GitHub] [incubator-nuttx] xiaoxiang781216 opened a new issue #1775: the net monitor shouldn't tightly couple with the ethernet hardware

[GitBox <gi...@apache.org>]

xiaoxiang781216 opened a new issue #1775:
URL: https://github.com/apache/incubator-nuttx/issues/1775


   netinit_monitor(https://github.com/apache/incubator-nuttx-apps/blob/master/netutils/netinit/netinit.c#L571) interact with the kernel through the follow IOCTL:
   ```
   /* MDIO/MCD *****************************************************************/
   
   #define SIOCMIINOTIFY    _SIOC(0x0023)  /* Receive notificaion via signal on
                                            * PHY state change */
   #define SIOCGMIIPHY      _SIOC(0x0024)  /* Get address of MII PHY in use */
   #define SIOCGMIIREG      _SIOC(0x0025)  /* Get a MII register via MDIO */
   #define SIOCSMIIREG      _SIOC(0x0026)  /* Set a MII register via MDIO */
   ```
   which expose MII/GMII register defintion directly to userspace and then can't work with:
   1.Ethernet card which don't follow the MII/GMII defintion
   2.Other wireless technology(e.g. WiFi and 802.15.4)
   Since the netlink is now part of the network stack, it's better to redesign the notification mechanism to utilize netlink socket and generalize it to cover all possible MAC layer.


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