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rmnetctl: add getlink library API and CLI option

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Add support for the RTM_GETLINK message in order to retrieve the
configuration of an RmNet device after it has been created.

Change-Id: I7de75c461ab1201a0856911348acef939d3ef172
Signed-off-by: Sean Tranchetti <stranche@codeaurora.org>
This commit is contained in:
Sean Tranchetti
2019-01-03 14:33:16 -07:00
parent 4fb7294ca2
commit 1a2abef95b
3 changed files with 148 additions and 1 deletions
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16
rmnetctl/cli/rmnetcli.c
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@@ -2,7 +2,7 @@
R M N E T C L I . C
Copyright (c) 2013-2015, 2017-2018 The Linux Foundation. All rights reserved.
Copyright (c) 2013-2015, 2017-2019 The Linux Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
@@ -218,6 +218,7 @@ static void rmnet_api_usage(void)
printf(_2TABS" <vnd> string - vnd device_name");
printf(_2TABS" <vnd id> int - new vnd id");
printf(_2TABS" <flags> int - new flag config\n\n");
printf("rmnetcli -n getlink <dev_name> Get device config\n\n");
printf("rmnetcli -n dellink <dev_name> Delete a vnd");
printf(_2TABS" by inputting dev name\n\n");
printf("rmnetcli -n bridgelink <dev_name> Bridge a vnd and a dev");
@@ -359,6 +360,19 @@ static int rmnet_api_call(int argc, char *argv[])
&error_number,
_STRTOI32(argv[3]),
_STRTOI32(argv[4]));
} else if (!strcmp(*argv, "getlink")) {
_RMNETCLI_CHECKNULL(argv[1]);
uint32_t flags = 0;
uint16_t mux_id = 0;
return_code = rtrmnet_ctl_getvnd(handle, argv[1],
&error_number,
&mux_id, &flags);
if (return_code == RMNETCTL_API_SUCCESS) {
printf("Configuration for device %s:\n", argv[1]);
printf("\tMux id: %d\n", mux_id);
printf("\tData format: 0x%04x\n", flags);
}
} else if (!strcmp(*argv, "dellink")) {
_RMNETCLI_CHECKNULL(argv[1]);
return_code = rtrmnet_ctl_delvnd(handle, argv[1],