[lwip-devel] [bug #62138] Minimum frame length

[To Tamir]

URL:
  <https://savannah.nongnu.org/bugs/?62138>

                 Summary: Minimum frame length
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: totamir
            Submitted on: Thu 03 Mar 2022 01:40:55 PM UTC
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None
            lwIP version: 2.1.1

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Details:

My ethernet controller require minimum frame length equal to 60 bytes (and
then adds CRC on the fly). I modified SIZEOF_ETHARP_HDR to 46, so my
controller send ARP frames correctly. But I have problem with other frames.
Some frames generated by function ethernet_output has 58 bytes (propably ACK),
so my ethernet controller ignore them. Is there some possibility to set
minimum frame length?





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