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# SPDX-License-Identifier: GPL-2.0-only
menu "DCCP CCIDs Configuration"
config IP_DCCP_CCID2_DEBUG
bool "CCID-2 debugging messages"
help
Enable CCID-2 specific debugging messages.
The debugging output can additionally be toggled by setting the
ccid2_debug parameter to 0 or 1.
If in doubt, say N.
config IP_DCCP_CCID3
bool "CCID-3 (TCP-Friendly)"
default IP_DCCP = y || IP_DCCP = m
help
CCID-3 denotes TCP-Friendly Rate Control (TFRC), an equation-based
rate-controlled congestion control mechanism. TFRC is designed to
be reasonably fair when competing for bandwidth with TCP-like flows,
where a flow is "reasonably fair" if its sending rate is generally
within a factor of two of the sending rate of a TCP flow under the
same conditions. However, TFRC has a much lower variation of
throughput over time compared with TCP, which makes CCID-3 more
suitable than CCID-2 for applications such streaming media where a
relatively smooth sending rate is of importance.
CCID-3 is further described in RFC 4342,
https://www.ietf.org/rfc/rfc4342.txt
The TFRC congestion control algorithms were initially described in
RFC 5348.
This text was extracted from RFC 4340 (sec. 10.2),
https://www.ietf.org/rfc/rfc4340.txt
If in doubt, say N.
config IP_DCCP_CCID3_DEBUG
bool "CCID-3 debugging messages"
depends on IP_DCCP_CCID3
help
Enable CCID-3 specific debugging messages.
The debugging output can additionally be toggled by setting the
ccid3_debug parameter to 0 or 1.
If in doubt, say N.
config IP_DCCP_TFRC_LIB
def_bool y if IP_DCCP_CCID3
config IP_DCCP_TFRC_DEBUG
def_bool y if IP_DCCP_CCID3_DEBUG
endmenu
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