119 lines
3.3 KiB
Plaintext
119 lines
3.3 KiB
Plaintext
# Copyright (c) 2020 Intel Corporation
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# SPDX-License-Identifier: Apache-2.0
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config GSM_MUX
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bool "[DEPRECATED] GSM 07.10 muxing protocol"
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select CRC
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select DEPRECATED
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help
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Enable GSM 07.10 muxing protocol defined in
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https://www.etsi.org/deliver/etsi_ts/101300_101399/101369/07.01.00_60/ts_101369v070100p.pdf
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The muxing protocol allows GSM modem to share the same UART for both
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the PPP data and AT commands.
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config GSM_MUX_MAX
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int "Max number of GSM mux instances"
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default 1
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depends on GSM_MUX
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help
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Usually we only need one GSM mux instance. You need to increase
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this if you have more than one GSM modems.
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config GSM_MUX_DLCI_MAX
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int "Max number of GSM data link connection (DLC) instances"
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default 3
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range 1 64
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depends on GSM_MUX
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help
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For our purposes we will manage with 3 DLCI (control, ppp, and AT
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commands) so making it the default value. If GSM modem also provides
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GNSS (location) services and you want to create a DLCI for it, then
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you need to increase this to 4.
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config GSM_MUX_DLCI_AT
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int "DLCI id of the AT commands channel"
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default 2 if MODEM_GSM_SIMCOM
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default 1
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range 1 63
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depends on GSM_MUX
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help
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Channel number for the AT commands to the modem.
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config GSM_MUX_DLCI_PPP
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int "DLCI id of the PPP connection channel"
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default 1 if MODEM_GSM_SIMCOM
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default 2
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range 1 63
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depends on GSM_MUX
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help
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Channel number for the PPP connection to the modem.
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SIMCOM modem has 16kb buffer for DLCI 1 so the manual recommends
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it for PPP traffic. For other DLCIs in that modem, the buffer size
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is only 1kb.
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config GSM_MUX_PENDING_CMD_MAX
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int "Max number of pending GSM mux commands"
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default 2
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range 1 8
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depends on GSM_MUX
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help
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How many pending GSM mux commands can exists.
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config GSM_MUX_MRU_DEFAULT_LEN
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int "Default size of received user data (MRU)"
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default 127 if MODEM_GSM_SIMCOM
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default 127 if MODEM_GSM_QUECTEL
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default 31
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range 1 1509
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depends on GSM_MUX
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help
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Default MRU (Maximum Receive Unit) data size. The default
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value for Basic mode is 31 bytes. The 1509 limit comes from
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ublox-sara modem and it means we can transfer full Ethernet sized
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frame and muxing headers.
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config GSM_MUX_MRU_MAX_LEN
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int "Max size of received user data (MRU)"
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default 255 if MODEM_GSM_SIMCOM
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default 128
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range 1 1509
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depends on GSM_MUX
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help
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Max MRU (Maximum Receive Unit) data size. The default max
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value for Basic mode is 128 bytes.
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config GSM_MUX_INITIATOR
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bool "Are we the initiator of the connection"
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default y
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depends on GSM_MUX
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help
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Default value when deciding whether we are the initiator of the
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connection attempt. Normally this should be enabled.
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config GSM_MUX_T1_TIMEOUT
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int "T1 timeout in ms"
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default 0
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range 0 5000
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depends on GSM_MUX
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help
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T1 timeout is initial command timeout when establishing
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the connection. The value is in milliseconds. Zero value
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means that default (100 ms) specified in the code is used.
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if GSM_MUX
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module = GSM_MUX
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module-dep = LOG
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module-str = Log level for GSM 07.10 Mux driver
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module-help = Sets log level for GSM 07.10 Mux Device Driver.
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source "subsys/net/Kconfig.template.log_config.net"
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config GSM_MUX_VERBOSE_DEBUG
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bool "Print hexdump of sent and received packets"
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depends on GSM_MUX_LOG_LEVEL_DBG
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help
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As there might be lot of debug output printed, only enable
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this if really needed.
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endif
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