https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=260120
Bug ID: 260120
Summary: [sctp] DSCP/TOS not always set during an association
establishment (IPv6)
Product: Base System
Version: 13.0-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Created attachment 229796
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=229796&action=edit
Pcaps for different DSCP/TOS scenarios
It seems like the DSCP/TOS field isn't getting set for INIT_ACK (but is for
COOKIE_ACK) when establishing an SCTP association (IPv6). This works for IPv4
however.
I have made a summary here:
FreeBSD 12.2:
IPv4 TCP: Working
IPv6 TCP: Not working
IPv4 SCTP: Working
IPv6 SCTP: Not working
FreeBSD 13.0:
IPv4 TCP: Working
IPv6 TCP: Working
IPv4 SCTP: Working
IPv6 SCTP: Not working
Linux:
IPv4 TCP: Working
IPv6 TCP: Working
IPv4 SCTP: Working
IPv6 SCTP: Working
I haven't tested this for the FIN/SHUTDOWN phase.
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