[lwip-devel] [bug #63898] Wrong socket option level for IPV6_CHECKSUM

[Philipp Finke]

URL:
  <https://savannah.nongnu.org/bugs/?63898>

                 Summary: Wrong socket option level for IPV6_CHECKSUM
                   Group: lwIP - A Lightweight TCP/IP stack
               Submitter: philippfinke
               Submitted: Thu 09 Mar 2023 10:37:16 AM UTC
                Category: sockets/netconn
                Severity: 3 - Normal
              Item Group: Change Request
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None
            lwIP version: 2.1.3


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Follow-up Comments:


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Date: Thu 09 Mar 2023 10:37:16 AM UTC By: Philipp Finke <philippfinke>
In lwip_setsockopt_impl() and lwip_getsockopt_impl() the option IPV6_CHECKSUM
is handled for socket option level IPPROTO_RAW. This is wrong in my opinion,
as RFC 3542 section 3.1 (https://www.rfc-editor.org/rfc/rfc3542) clearly
states in the example that this option belongs to level IPPROTO_IPV6.







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