638bf6b03d
The modem modules cmux module is currently directly coupled to the presence of specific modems, rather than being selected by drivers for whatever hardware wants to request the default MTU of 127 bytes. This commit the makes the device drivers (for now, modem_cellular) select the symbol, thus decoupling the modem modules from the presence of any specific device. Signed-off-by: Bjarki Arge Andreasen <bjarki.andreasen@nordicsemi.no>
120 lines
2.3 KiB
Plaintext
120 lines
2.3 KiB
Plaintext
# Copyright (c) 2023 Trackunit Corporation
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# SPDX-License-Identifier: Apache-2.0
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menuconfig MODEM_MODULES
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bool "Modem modules"
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select EXPERIMENTAL
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if MODEM_MODULES
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config MODEM_CHAT
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bool "Modem chat module"
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select RING_BUFFER
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select MODEM_PIPE
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if MODEM_CHAT
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config MODEM_CHAT_LOG_BUFFER_SIZE
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int "Modem chat log buffer size in bytes"
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default 128
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endif
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config MODEM_CMUX
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bool "Modem CMUX module"
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select MODEM_PIPE
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select RING_BUFFER
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select EVENTS
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select CRC
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if MODEM_CMUX
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config MODEM_CMUX_DEFAULT_MTU_127
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bool
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help
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Hint that the default MODEM_CMUX_MTU size should be 127 bytes.
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config MODEM_CMUX_MTU
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int "CMUX MTU size in bytes"
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range 16 1500
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default 127 if MODEM_CMUX_DEFAULT_MTU_127
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default 31
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help
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Maximum Transmission Unit (MTU) size for the CMUX module.
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Linux ldattach defaults to 127 bytes, 3GPP TS 27.010 to 31.
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config MODEM_CMUX_WORK_BUFFER_SIZE
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int "CMUX module work buffer size in bytes"
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range 23 1507
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default 134 if MODEM_CMUX_DEFAULT_MTU_127
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default 38
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help
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Size of the work buffer used by the CMUX module.
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Recommended size is MODEM_CMUX_MTU + 7 (CMUX header size).
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module = MODEM_CMUX
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module-str = modem_cmux
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source "subsys/logging/Kconfig.template.log_config"
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endif
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config MODEM_PIPE
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bool "Modem pipe module"
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select EVENTS
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config MODEM_PIPELINK
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bool "Modem pipelink module"
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depends on MODEM_PIPE
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config MODEM_PPP
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bool "Modem PPP module"
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depends on NET_L2_PPP
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select MODEM_PIPE
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select RING_BUFFER
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select CRC
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if MODEM_PPP
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config MODEM_PPP_NET_BUF_FRAG_SIZE
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int "Network buffer fragment size"
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default NET_BUF_DATA_SIZE if NET_BUF_FIXED_DATA_SIZE
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default 128
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endif
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config MODEM_STATS
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bool "Modem statistics"
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depends on SHELL
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help
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Enables modem statistics shell commands which track the usage of
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buffers across the modem modules. The statistics are useful for
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scaling buffer sizes, as these are application specific.
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config MODEM_STATS_BUFFER_NAME_SIZE
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int "Maximum string size of modem stats buffer name"
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default 32
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range 8 64
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config MODEM_UBX
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bool "Modem U-BLOX module"
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select RING_BUFFER
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select MODEM_PIPE
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help
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Enable Modem U-BLOX module.
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if MODEM_UBX
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config MODEM_UBX_LOG_BUFFER
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int "Modem U-BLOX log buffer size"
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default 128
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endif
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module = MODEM_MODULES
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module-str = modem_modules
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source "subsys/logging/Kconfig.template.log_config"
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rsource "backends/Kconfig"
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endif
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