157 lines
4.5 KiB
Plaintext
157 lines
4.5 KiB
Plaintext
# CoAP implementation for Zephyr
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# Copyright (c) 2017 Intel Corporation
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# SPDX-License-Identifier: Apache-2.0
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config COAP
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bool "CoAP Support"
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help
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This option enables the CoAP implementation.
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if COAP
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# This setting is only used by unit test. Do not enable it in applications
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config COAP_TEST_API_ENABLE
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bool "Test API for CoAP unit tests"
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help
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Do not enable this for normal use.
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config COAP_WELL_KNOWN_BLOCK_WISE
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bool "CoAP ./well-known/core services block wise support"
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help
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This option enables the block wise support of CoAP response
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to ./well-known/core request. Without this option all resource's
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information will be sent in a single IP packet (can be multiple
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fragments depends on MTU size). This will be useful in mesh kind
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of networks.
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config COAP_WELL_KNOWN_BLOCK_WISE_SIZE
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int "CoAP ./well-known/core services block wise support"
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default 32
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depends on COAP_WELL_KNOWN_BLOCK_WISE
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help
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Maximum size of CoAP block. Valid values are 16, 32, 64, 128,
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256, 512 and 1024.
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config COAP_EXTENDED_OPTIONS_LEN
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bool "Support for CoAP extended options"
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help
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This option enables the parsing of extended CoAP options length.
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CoAP extended options length can be 2 byte value, which
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requires more memory. User can save memory by disabling this.
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That means only length of maximum 12 bytes are supported by default.
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Enable this if length field going to bigger that 12.
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config COAP_EXTENDED_OPTIONS_LEN_VALUE
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int "CoAP extended options length value"
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default 13
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depends on COAP_EXTENDED_OPTIONS_LEN
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help
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This option specifies the maximum value of length field when
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COAP_EXTENDED_OPTIONS_LEN is enabled. Define the value according to
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user requirement.
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config COAP_INIT_ACK_TIMEOUT_MS
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int "base length of the random generated initial ACK timeout in ms"
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default 2000
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range 1000 100000
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help
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This value is used as a base value to retry pending CoAP packets.
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config COAP_RANDOMIZE_ACK_TIMEOUT
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bool "Randomize initial ACK timeout, as specified in RFC 7252"
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default y
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help
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If enabled, the initial ACK timeout will be randomized, as specified
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in RFC 7252, i.e. will be a random number between ACK_TIMEOUT and
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ACK_TIMEOUT * ACK_RANDOM_FACTOR (where ACK_TIMEOUT is specified by
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COAP_INIT_ACK_TIMEOUT_MS option). Otherwise, the initial ACK timeout
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will be fixed to the value of COAP_INIT_ACK_TIMEOUT_MS option.
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config COAP_ACK_RANDOM_PERCENT
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int "Random factor for ACK timeout described as percentage"
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default 150
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depends on COAP_RANDOMIZE_ACK_TIMEOUT
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help
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Factor described as percentage to extend CoAP ACK timeout. A value
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of 150 means a factor of 1.50.
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config COAP_MAX_RETRANSMIT
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int "Max retransmission of a CoAP packet"
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default 4
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range 1 10
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config COAP_URI_WILDCARD
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bool "Wildcards in CoAP resource path"
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default y
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help
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This option enables MQTT-style wildcards in path. Disable it if
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resource path may contain plus or hash symbol.
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config COAP_KEEP_USER_DATA
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bool "Keeping user data in the CoAP packet"
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help
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This option enables keeping application-specific user data
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config COAP_CLIENT
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bool "CoAP client support [EXPERIMENTAL]"
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select EXPERIMENTAL
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help
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This option enables the API for CoAP-client for sending CoAP requests
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if COAP_CLIENT
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config COAP_CLIENT_THREAD_PRIORITY
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int "Coap client thread priority"
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default NUM_PREEMPT_PRIORITIES
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help
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Priority of receive thread of the CoAP client.
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config COAP_CLIENT_BLOCK_SIZE
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int "LWM2M CoAP block-wise transfer size"
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default 256
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range 64 1024
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help
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CoAP block size used by CoAP client when performing block-wise
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transfers. Possible values: 64, 128, 256, 512 and 1024.
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config COAP_CLIENT_MESSAGE_SIZE
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int "Message payload size"
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default COAP_CLIENT_BLOCK_SIZE
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help
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CoAP client message payload size. Can't be smaller than COAP_CLIENT_BLOCK_SIZE.
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config COAP_CLIENT_MESSAGE_HEADER_SIZE
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int "Room for CoAP header data"
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default 48
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range 24 128
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help
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Extra room allocated to handle CoAP header data
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config COAP_CLIENT_STACK_SIZE
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int "Stack size of the CoAP client thread"
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default 1024
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config COAP_CLIENT_MAX_INSTANCES
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int "Maximum number of CoAP clients"
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default 2
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help
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Maximum number of CoAP clients
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config COAP_CLIENT_MAX_REQUESTS
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int "Maximum number of simultaneous requests per client"
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default 2
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help
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Maximum number of CoAP requests a single client can handle at a time
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endif # COAP_CLIENT
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module = COAP
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module-dep = NET_LOG
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module-str = Log level for CoAP
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module-help = Enables CoAP debug messages.
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source "subsys/net/Kconfig.template.log_config.net"
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endif # COAP
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