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116 lines
3.7 KiB
Plaintext
116 lines
3.7 KiB
Plaintext
# Copyright (c) 2020 Freie Universitaet Berlin
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#
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# This file is subject to the terms and conditions of the GNU Lesser
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# General Public License v2.1. See the file LICENSE in the top level
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# directory for more details.
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#
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menuconfig KCONFIG_MODULE_GNRC_TCP
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bool "Configure GNRC_TCP"
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depends on MODULE_GNRC_TCP
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help
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Configure the GNRC_TCP using Kconfig.
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if KCONFIG_MODULE_GNRC_TCP
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config GNRC_TCP_CONNECTION_TIMEOUT_DURATION
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int "Timeout duration for user calls in microseconds"
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default 120000000
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help
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Timeout duration for user calls. Default value is 120000000 microseconds
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(2 minutes).
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config GNRC_TCP_MSL
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int "Maximum segment lifetime (MSL) in microseconds"
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default 30000000
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help
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Maximum segment lifetime (MSL) in microseconds. Default value is 30
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seconds.
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config GNRC_TCP_MSS
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int "Maximum Segment Size (MSS)"
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default 1220 if MODULE_GNRC_IPV6
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default 576
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config GNRC_TCP_MSS_MULTIPLICATOR
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int "Number of MSS sized packets stored in receive buffer"
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default 1
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help
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Configure MSS Multiplicator i.e. number of MSS sized packets stored in
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receive buffer.
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config GNRC_TCP_DEFAULT_WINDOW_EN
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bool "Enable configuration of TCP window size"
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help
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Enable configuration of TCP window size. If not enabled, TCP window size
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will default to the product of Maximum Segment Size and the number of
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MSS sized packets i.e. CONFIG_GNRC_TCP_MSS *
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CONFIG_GNRC_TCP_MSS_MULTIPLICATOR.
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config GNRC_TCP_DEFAULT_WINDOW
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int "TCP receive window size"
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default 1220 if MODULE_GNRC_IPV6
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default 576
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depends on GNRC_TCP_DEFAULT_WINDOW_EN
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help
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Configure TCP receive window size. This value determines the maximum
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amount of bytes that can be received from the peer at a given moment.
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config GNRC_TCP_RCV_BUFFERS
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int "Number of preallocated receive buffers"
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default 1
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config GNRC_TCP_RTO_LOWER_BOUND
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int "Lower bound for RTO in microseconds"
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default 1000000
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help
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Lower bound value for retransmission timeout (RTO) in microseconds.
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Default value is 1000000 microseconds (1 second). Retransmission
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timeout determines how long TCP waits for acknowledgment (ACK) of
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transmitted segment. Refer to RFC 6298 for more information.
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config GNRC_TCP_RTO_UPPER_BOUND
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int "Upper bound for RTO in microseconds"
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default 60000000
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help
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Upper bound value for retransmission timeout (RTO) in microseconds.
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Default value is 60000000 microseconds (60 seconds). Refer to RFC 6298
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for more information.
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config GNRC_TCP_RTO_GRANULARITY
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int "Clock granularity for RTO in microseconds"
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default 10000
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help
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Clock granularity for retransmission timeout (RTO) for TCP in
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microseconds. Default value is 10000 microseconds (10 milliseconds).
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Refer to RFC 6298 for more information.
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config GNRC_TCP_RTO_A_DIV
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int "Alpha value divisor for RTO calculation"
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default 8
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help
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Alpha value divisor to calculate retransmission timeout (RTO). The
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default value for divisor is 8 which would result in an alpha value of
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1/8.
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config GNRC_TCP_RTO_B_DIV
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int "Beta value divisor for RTO calculation"
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default 4
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help
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Beta value divisor to calculate retransmission timeout (RTO). The
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default value for divisor is 4 which would result in a beta value of
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1/4.
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config GNRC_TCP_RTO_K
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int "K value for RTO calculation"
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default 4
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config GNRC_TCP_PROBE_LOWER_BOUND
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int "Lower bound for the duration between probes in microseconds"
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default 1000000
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config GNRC_TCP_PROBE_UPPER_BOUND
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int "Lower bound for the duration between probes in microseconds"
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default 60000000
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endif # KCONFIG_MODULE_GNRC_TCP
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