patrickelectric opened a new pull request, #18944:
URL: https://github.com/apache/nuttx/pull/18944

   This follows what was done in a7567677a8
   
   ## Summary
   
   It appears that a7567677a8 did not update stm32_ethernet.
   
   ## Impact
   
   Without this change the carrier does not become available.
   
   ## Testing
   
   Current master:
   ```
   nsh> ifconfig
   eth0    Link encap:Ethernet HWaddr 00:e0:de:ad:be:ef at UP mtu 1486
           inet addr:0.0.0.0 DRaddr:10.0.0.1 Mask:255.255.255.0
   
   lo      Link encap:Local Loopback at RUNNING mtu 1518
           inet addr:127.0.0.1 DRaddr:127.0.0.1 Mask:255.0.0.0
   
                IPv4   TCP   UDP  ICMP
   Received     0000  0000  0000  0000
   Dropped      0000  0000  0000  0000
     IPv4        VHL: 0000   Frg: 0000
     Checksum   0000  0000  0000  ----
     TCP         ACK: 0000   SYN: 0000
                 RST: 0000  0000
     Type       0000  ----  ----  0000
   Sent         0000  0000  0000  0000
     Rexmit     ----  0000  ----  ----
   ```
   
   With this change:
   ```
   nsh> ifconfig
   eth0    Link encap:Ethernet HWaddr 00:e0:de:ad:be:ef at RUNNING mtu 1486
           inet addr:192.168.31.35 DRaddr:192.168.31.1 Mask:255.255.255.0
   
   lo      Link encap:Local Loopback at RUNNING mtu 1518
           inet addr:127.0.0.1 DRaddr:127.0.0.1 Mask:255.0.0.0
   
                IPv4   TCP   UDP  ICMP
   Received     0002  0000  0002  0000
   Dropped      0000  0000  0000  0000
     IPv4        VHL: 0000   Frg: 0000
     Checksum   0000  0000  0000  ----
     TCP         ACK: 0000   SYN: 0000
                 RST: 0000  0000
     Type       0000  ----  ----  0000
   Sent         0003  0000  0003  0000
     Rexmit     ----  0000  ----  ----
   ```
   
   As you can see, the addr works, dhcp gets the ip and the interface shows as 
RUNNING.
   


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