buglwIP - A Lightweight TCP/IP stack - Bugs: bug #63898, Wrong socket option level for...


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bug #63898: Wrong socket option level for IPV6_CHECKSUM

Submitter:  Philipp Finke <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 Planned Release:  None
lwIP version:  2.1.3

Thu 09 Mar 2023 10:37:16 AM UTC, original submission:  

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.

Philipp Finke <philippfinke>


(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

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