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librmnetctl: Add support for rmnet driver

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Add support for newlink, dellink, chagelink and bridge netlink
operations for the netlink type "rmnet" to communicate with the
linux rmnet driver.

CRs-Fixed: 2184454
Change-Id: Ib088fd919a77c926c5e4c3a55062a59ab72fd5d0
This commit is contained in:
Subash Abhinov Kasiviswanathan
2017-12-20 19:11:40 -07:00
parent dba447c1ee
commit 5b903ddace
3 changed files with 601 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

90
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 The Linux Foundation. All rights reserved.
Copyright (c) 2013-2015, 2017-2018 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
@@ -208,6 +208,21 @@ static void rmnet_api_usage(void)
printf(_2TABS" <mdm_flow_hndl> handle - tc flow handle");
printf(_2TABS" <tc_flow_hndl> mapping for a virtual network");
printf(_2TABS" device node\n\n");
printf("**************************\n");
printf("RmNet RTM_NETLINK API Usage:\n\n");
printf("rmnetcli -n newlink <dev_id> Add a vnd w/ newlink");
printf(_2TABS" <vnd> string - vnd device_name");
printf(_2TABS" <vnd id> int - new vnd id");
printf(_2TABS" [flags] int - starting flag config\n\n");
printf("rmnetcli -n changelink <dev_id> Change a vnd's flags");
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 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");
printf(_2TABS" <vnd id> by specifying dev id and vnd id\n\n");
}
static void print_rmnetctl_lib_errors(uint16_t error_number)
@@ -239,8 +254,11 @@ static void print_rmnet_api_status(int return_code, uint16_t error_number)
else if (return_code == RMNETCTL_LIB_ERR) {
printf("LIBRARY ");
print_rmnetctl_lib_errors(error_number);
} else if (return_code == RMNETCTL_KERNEL_ERR)
printf("KERNEL %s", rmnetctl_error_code_text[error_number]);
} else if (return_code == RMNETCTL_KERNEL_ERR) {
if (error_number < RMNETCTL_API_ERR_ENUM_LENGTH)
printf("KERNEL ERROR: System or rmnet error %d\n",
error_number);
}
else if (return_code == RMNETCTL_INVALID_ARG)
printf("INVALID_ARG\n");
}
@@ -275,10 +293,66 @@ static int rmnet_api_call(int argc, char *argv[])
RMNETCTL_CFG_SUCCESS_HELP_COMMAND);
return RMNETCTL_LIB_ERR;
}
return_code = rmnetctl_init(&handle, &error_number);
if (return_code!= RMNETCTL_SUCCESS) {
print_rmnet_api_status(return_code, error_number);
return RMNETCTL_LIB_ERR;
if (!strcmp(*argv, "-n")) {
return_code = rtrmnet_ctl_init(&handle, &error_number);
if (return_code != RMNETCTL_SUCCESS) {
print_rmnet_api_status(return_code, error_number);
return RMNETCTL_LIB_ERR;
}
error_number = RMNETCTL_CFG_FAILURE_NO_COMMAND;
return_code = RMNETCTL_LIB_ERR;
argv++;
argc--;
if ((!argc) || (!*argv)) {
print_rmnet_api_status(RMNETCTL_LIB_ERR,
RMNETCTL_CFG_FAILURE_NO_COMMAND);
return RMNETCTL_LIB_ERR;
}
if (!strcmp(*argv, "newlink")) {
_RMNETCLI_CHECKNULL(argv[1]);
_RMNETCLI_CHECKNULL(argv[2]);
_RMNETCLI_CHECKNULL(argv[3]);
uint32_t flags = 0;
/* If optional flag was used pass it on*/
if (argv[4])
flags = _STRTOI32(argv[4]);
return_code = rtrmnet_ctl_newvnd(handle, argv[1],
argv[2],
&error_number,
_STRTOI32(argv[3]),
flags);
} else if (!strcmp(*argv, "changelink")) {
_RMNETCLI_CHECKNULL(argv[1]);
_RMNETCLI_CHECKNULL(argv[2]);
_RMNETCLI_CHECKNULL(argv[3]);
_RMNETCLI_CHECKNULL(argv[4]);
return_code = rtrmnet_ctl_changevnd(handle, argv[1],
argv[2],
&error_number,
_STRTOI32(argv[3]),
_STRTOI32(argv[4]));
} else if (!strcmp(*argv, "dellink")) {
_RMNETCLI_CHECKNULL(argv[1]);
return_code = rtrmnet_ctl_delvnd(handle, argv[1],
&error_number);
} else if (!strcmp(*argv, "bridge")) {
_RMNETCLI_CHECKNULL(argv[1]);
_RMNETCLI_CHECKNULL(argv[2]);
return_code = rtrmnet_ctl_bridgevnd(handle, argv[1],
argv[2],
&error_number);
}
goto end;
} else {
return_code = rmnetctl_init(&handle, &error_number);
if (return_code != RMNETCTL_SUCCESS) {
print_rmnet_api_status(return_code, error_number);
return RMNETCTL_LIB_ERR;
}
}
error_number = RMNETCTL_CFG_FAILURE_NO_COMMAND;
return_code = RMNETCTL_LIB_ERR;
@@ -400,8 +474,10 @@ static int rmnet_api_call(int argc, char *argv[])
return_code = rmnet_unset_logical_ep_config(handle,
_STRTOI32(argv[1]), argv[2], &error_number);
}
end:
print_rmnet_api_status(return_code, error_number);
rmnetctl_cleanup(handle);
rtrmnet_ctl_deinit(handle);
return return_code;
}