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MFC r365547: Add -z "TOS" option to ping6, to test DSCP/ECN values

Description

MFC r365547: Add -z "TOS" option to ping6, to test DSCP/ECN values

ping has the option to add the (deprecated) TOS byte
using the -z option. Adding the same option, with the
same (deprecated) Traffic Class Byte (nowadays actually
DSCP and ECN fields) to ping6 to validate proper QoS
processing in network switches.

Reviewed by: tuexen
MFC after: 2 weeks
Sponsored by: NetApp, Inc.
Differential Revision: https://reviews.freebsd.org/D26384

Details

Provenance
rscheffAuthored on
Reviewer
tuexen
Differential Revision
D26384: Add -z "TOS" option to ping6, to test DSCP/ECN values
Parents
rS366151: MFC r365546: cc_mod: remove unused CCF_DELACK definition
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