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