forked from Minki/linux
[TCP]: Do not present confusing congestion control options by default.
Create TCP_CONG_ADVANCED option, akin to IP_ADVANCED_ROUTER, which when disabled will bypass all of the congestion control Kconfig options and leave the user with a safe default. That safe default is currently BIC-TCP with new Reno as a fallback. Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -445,9 +445,22 @@ config IP_TCPDIAG
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config IP_TCPDIAG_IPV6
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config IP_TCPDIAG_IPV6
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def_bool (IP_TCPDIAG=y && IPV6=y) || (IP_TCPDIAG=m && IPV6)
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def_bool (IP_TCPDIAG=y && IPV6=y) || (IP_TCPDIAG=m && IPV6)
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config TCP_CONG_ADVANCED
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bool "TCP: advanced congestion control"
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depends on INET
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default y
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---help---
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Support for selection of various TCP congestion control
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modules.
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Nearly all users can safely say no here, and a safe default
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selection will be made (BIC-TCP with new Reno as a fallback).
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If unsure, say N.
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# TCP Reno is builtin (required as fallback)
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# TCP Reno is builtin (required as fallback)
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menu "TCP congestion control"
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menu "TCP congestion control"
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depends on INET
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depends on TCP_CONG_ADVANCED
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config TCP_CONG_BIC
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config TCP_CONG_BIC
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tristate "Binary Increase Congestion (BIC) control"
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tristate "Binary Increase Congestion (BIC) control"
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@ -535,5 +548,10 @@ config TCP_CONG_SCALABLE
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endmenu
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endmenu
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config TCP_CONG_BIC
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boolean
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depends on !TCP_CONG_ADVANCED
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default y
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source "net/ipv4/ipvs/Kconfig"
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source "net/ipv4/ipvs/Kconfig"
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