/******************************************************************************
R M N E T C L I . C
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******************************************************************************/
/******************************************************************************
@file rmnetcli.c
@brief command line interface to expose rmnet control API's
DESCRIPTION
File containing implementation of the command line interface to expose the
rmnet control configuration .
******************************************************************************/
/*===========================================================================
INCLUDE FILES
===========================================================================*/
#include <sys/socket.h>
#include <stdint.h>
#include <linux/netlink.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include "rmnetcli.h"
#include "librmnetctl.h"
#define RMNET_MAX_STR_LEN 16
#define _RMNETCLI_CHECKNULL(X) do { if (!X) { \
print_rmnet_api_status(RMNETCTL_INVALID_ARG, RMNETCTL_CFG_FAILURE_NO_COMMAND); \
rmnetctl_cleanup(handle); \
return RMNETCTL_INVALID_ARG; \
} } while (0);
#define _STRTOUI32(X) (uint32_t)strtoul(X, NULL, 0)
#define _STRTOUI16(X) (uint16_t)strtoul(X, NULL, 0)
#define _STRTOUI8(X) (uint8_t)strtoul(X, NULL, 0)
#define _STRTOI32(X) (int32_t)strtol(X, NULL, 0)
#define _5TABS "\n\t\t\t\t\t"
#define _2TABS "\n\t\t"
/*!
* @brief Contains a list of error message from CLI
*/
char rmnetcfg_error_code_text
[RMNETCFG_TOTAL_ERR_MSGS][RMNETCTL_ERR_MSG_SIZE] = {
"Help option Specified",
"ERROR: No\\Invalid command was specified\n",
"ERROR: Could not allocate buffer for Egress device\n"
};
/*!
* @brief Method to display the syntax for the commands
* @details Displays the syntax and usage for the commands
* @param void
* @return void
*/
static void rmnet_api_usage(void)
{
printf("RmNet API Usage:\n\n");
printf("rmnetcli help Displays this help\n");
printf("\n");
printf("rmnetcli assocnetdev <dev_name> Registers the RmNet");
printf(_5TABS" data driver on a particular");
printf(_5TABS" device.dev_name cannot");
printf(_5TABS" be larger than 15");
printf(_5TABS" characters. Returns");
printf(_5TABS" the status code.\n\n");
printf("rmnetcli unassocnetdev <dev_name> Unregisters the");
printf(_5TABS" RmNet data driver on a particular");
printf(_5TABS" device. dev_name cannot");
printf(_5TABS" be larger than 15");
printf(_5TABS" characters. Returns");
printf(_5TABS" the status code.\n\n");
printf("rmnetcli getnetdevassoc <dev_name> Get if the RmNet");
printf(_5TABS" data driver is registered on");
printf(_5TABS" a particular device.");
printf(_5TABS" dev_name cannot be");
printf(_5TABS" larger than 15");
printf(_5TABS" characters. Returns 1");
printf(_5TABS" if is registered and");
printf(_5TABS" 0 if it is not");
printf(_5TABS" registered\n\n");
printf("rmnetcli setledf <egress_flags> Sets the egress data");
printf(_2TABS" <agg_size> format for a particular link.");
printf(_2TABS" <agg_count> dev_name cannot be larger");
printf(_2TABS" <dev_name> than 15 characters.");
printf(_5TABS" Returns the status code\n\n");
printf("rmnetcli getledf <dev_name> Gets the egress data");
printf(_5TABS" format for a particular link.");
printf(_5TABS" dev_name cannot be larger");
printf(_5TABS" than 15. Returns the 4");
printf(_5TABS" byte unsigned integer");
printf(_5TABS" egress_flags\n\n");
printf("rmnetcli setlidf <ingress_flags> Sets the ingress");
printf(_2TABS" <tail_spacing> data format for a particular");
printf(_2TABS" <dev_name> link. ingress_flags is 4");
printf(_5TABS" byte unsigned integer.");
printf(_5TABS" tail_spacing is a one.");
printf(_5TABS" byte unsigned integer.");
printf(_5TABS" dev_name cannot be");
printf(_5TABS" larger than 15.");
printf(_5TABS" characters. Returns");
printf(_5TABS" the status code\n\n");
printf("rmnetcli getlidf <dev_name> Gets the ingress");
printf(_5TABS" data format for a particular");
printf(_5TABS" link. dev_name cannot be");
printf(_5TABS" larger than 15. Returns");
printf(_5TABS" the 4 byte unsigned");
printf(_5TABS" integer ingress_flags\n\n");
printf("rmnetcli setlepc <logical_ep_id> Sets the logical");
printf(_2TABS" <rmnet_mode> endpoint configuration for");
printf(_2TABS" <dev_name> a particular link.");
printf(_2TABS" <egress_dev_name> logical_ep_id are 32bit");
printf(_5TABS" integers from -1 to 31.");
printf(_5TABS" rmnet_mode is a 1 byte");
printf(_5TABS" unsigned integer of");
printf(_5TABS" value none, vnd or");
printf(_5TABS" bridged. dev_name");
printf(_5TABS" and egress_dev_name");
printf(_5TABS" cannot be larger");
printf(_5TABS" than 15 tcharacters");
printf(_5TABS" Returns the status code\n\n");
printf("rmnetcli unsetlepc <logical_ep_id> Un-sets the logical");
printf(_2TABS" <dev_name> endpoint configuration for");
printf(_5TABS" a particular link.");
printf(_5TABS" integers from -1 to 31.");
printf(_5TABS" dev_name cannot be larger");
printf(_5TABS" than 15 tcharacters");
printf(_5TABS" Returns the status code\n\n");
printf("rmnetcli getlepc <logical_ep_id> Sets the logical");
printf(_2TABS" <dev_name> enpoint configuration for a");
printf(_5TABS" particular link.");
printf(_5TABS" logical_ep_id are 32bit");
printf(_5TABS" integers from -1 to 31.");
printf(_5TABS" Returns the rmnet_mode");
printf(_5TABS" and egress_dev_name.");
printf(_5TABS" rmnet_mode is a 1");
printf(_5TABS" byte unsigned integer");
printf(_5TABS" of value none, vnd or");
printf(_5TABS" bridged. dev_name and");
printf(_5TABS" egress_dev_name cannot be");
printf(_5TABS" larger than 15 ");
printf(_5TABS" characters. Returns the");
printf(_5TABS" status code\n\n");
printf("rmnetcli newvnd <dev_id> Creates a new");
printf(_5TABS" virtual network device node.");
printf(_5TABS" dev_id is an int");
printf(_5TABS" less than 32. Returns");
printf(_5TABS" the status code\n\n");
printf("rmnetcli newvndprefix <dev_id> <name_prefix> Creates");
printf(_5TABS" virtual network device node.");
printf(_5TABS" dev_id is an int");
printf(_5TABS" less than 32. Prefix");
printf(_5TABS" must be less than");
printf(_5TABS" 15 chars. Returns");
printf(_5TABS" the status code\n\n");
printf("rmnetcli getvndname <dev_id> Get name of");
printf(_5TABS" network device node from id\n\n");
printf("rmnetcli freevnd <dev_id> Removes virtual");
printf(_5TABS" network device node. dev_name");
printf(_5TABS" cannot be larger than 15.");
printf(_5TABS" Returns the status code\n\n");
printf("rmnetcli addvnctcflow <dev_id> Add a modem flow");
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("rmnetcli delvnctcflow <dev_id> Delete a modem flow");
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");
}
static void print_rmnetctl_lib_errors(uint16_t error_number)
{
if ((error_number > RMNETCTL_API_SUCCESS) &&
(error_number < RMNETCTL_API_ERR_ENUM_LENGTH)) {
printf("%s", rmnetctl_error_code_text[error_number]);
}
if ((error_number >= RMNETCFG_ERR_NUM_START) &&
(error_number < RMNETCFG_ERR_NUM_START + RMNETCFG_TOTAL_ERR_MSGS)) {
printf("%s", rmnetcfg_error_code_text
[error_number - RMNETCFG_ERR_NUM_START]);
if ((error_number == RMNETCTL_CFG_SUCCESS_HELP_COMMAND) ||
(error_number == RMNETCTL_CFG_FAILURE_NO_COMMAND))
rmnet_api_usage();
}
}
/*!
* @brief Method to check the error numbers generated from API calls
* @details Displays the error messages based on each error code
* @param error_number Error number returned from the API and the CLI
* @return void
*/
static void print_rmnet_api_status(int return_code, uint16_t error_number)
{
if (return_code == RMNETCTL_SUCCESS)
printf("SUCCESS\n");
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_INVALID_ARG)
printf("INVALID_ARG\n");
}
/*!
* @brief Method to make the API calls
* @details Checks for each type of parameter and calls the appropriate
* function based on the number of parameters and paramter type
* @param argc Number of arguments which vary based on the commands
* @param argv Value of the arguments which vary based on the commands
* @return RMNETCTL_SUCCESS if successful. Relevant data might be printed
* based on the message type
* @return RMNETCTL_LIB_ERR if there was a library error. Error code will be
* printed
* @return RMNETCTL_KERNEL_ERR if there was a error in the kernel. Error code will be
* printed
* @return RMNETCTL_INVALID_ARG if invalid arguments were passed to the API
*/
static int rmnet_api_call(int argc, char *argv[])
{
struct rmnetctl_hndl_s *handle = NULL;
uint16_t error_number = RMNETCTL_CFG_FAILURE_NO_COMMAND;
int return_code = RMNETCTL_LIB_ERR;
if ((!argc) || (!*argv)) {
print_rmnet_api_status(RMNETCTL_LIB_ERR,
RMNETCTL_CFG_FAILURE_NO_COMMAND);
return RMNETCTL_LIB_ERR;
}
if (!strcmp(*argv, "help")) {
print_rmnet_api_status(RMNETCTL_LIB_ERR,
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;
}
error_number = RMNETCTL_CFG_FAILURE_NO_COMMAND;
return_code = RMNETCTL_LIB_ERR;
if (!strcmp(*argv, "assocnetdev")) {
return_code = rmnet_associate_network_device(handle,
argv[1], &error_number, RMNETCTL_DEVICE_ASSOCIATE);
} else if (!strcmp(*argv, "unassocnetdev")) {
return_code = rmnet_associate_network_device(handle,
argv[1], &error_number, RMNETCTL_DEVICE_UNASSOCIATE);
} else if (!strcmp(*argv, "getnetdevassoc")) {
int register_status;
return_code = rmnet_get_network_device_associated(handle,
argv[1], ®ister_status, &error_number);
if (return_code == RMNETCTL_SUCCESS)
printf("register_status is %d\n", register_status);
} else if (!strcmp(*argv, "getledf")) {
uint32_t egress_flags;
uint16_t agg_size, agg_count;
return_code = rmnet_get_link_egress_data_format(handle,
argv[1], &egress_flags, &agg_size, &agg_count, &error_number);
if (return_code == RMNETCTL_SUCCESS) {
printf("egress_flags is %u\n", egress_flags);
printf("agg_size is %u\n", agg_size);
printf("agg_count is %u\n", agg_count);
}
} else if (!strcmp(*argv, "getlidf")) {
uint32_t ingress_flags;
uint8_t tail_spacing;
return_code = rmnet_get_link_ingress_data_format_tailspace(
handle, argv[1], &ingress_flags, &tail_spacing, &error_number);
if (return_code == RMNETCTL_SUCCESS) {
printf("ingress_flags is %u\n", ingress_flags);
printf("tail_spacing is %u\n", tail_spacing);
}
} else if (!strcmp(*argv, "newvndprefix")) {
_RMNETCLI_CHECKNULL(argv[1]);
_RMNETCLI_CHECKNULL(argv[2]);
return_code = rmnet_new_vnd_prefix(handle,
_STRTOUI32(argv[1]), &error_number, RMNETCTL_NEW_VND, argv[2]);
} else if (!strcmp(*argv, "newvnd")) {
_RMNETCLI_CHECKNULL(argv[1]);
return_code = rmnet_new_vnd(handle,
_STRTOUI32(argv[1]), &error_number, RMNETCTL_NEW_VND);
} else if (!strcmp(*argv, "getvndname")) {
char buffer[32];
memset(buffer, 0, 32);
_RMNETCLI_CHECKNULL(argv[1]);
return_code = rmnet_get_vnd_name(handle, _STRTOUI32(argv[1]),
&error_number, buffer, 32);
if (return_code == RMNETCTL_SUCCESS) {
printf("VND name: %s\n", buffer);
}
} else if (!strcmp(*argv, "freevnd")) {
_RMNETCLI_CHECKNULL(argv[1]);
return_code = rmnet_new_vnd(handle,
_STRTOUI32(argv[1]), &error_number, RMNETCTL_FREE_VND);
} else if (!strcmp(*argv, "setlidf")) {
_RMNETCLI_CHECKNULL(argv[1]);
_RMNETCLI_CHECKNULL(argv[2]);
_RMNETCLI_CHECKNULL(argv[3]);
return_code = rmnet_set_link_ingress_data_format_tailspace(
handle, _STRTOUI32(argv[1]), _STRTOUI8(argv[2]), argv[3],
&error_number);
} else if (!strcmp(*argv, "delvnctcflow")) {
_RMNETCLI_CHECKNULL(argv[1]);
_RMNETCLI_CHECKNULL(argv[2]);
_RMNETCLI_CHECKNULL(argv[3]);
return_code = rmnet_add_del_vnd_tc_flow(handle,
_STRTOUI32(argv[1]), _STRTOUI32(argv[2]), _STRTOUI32(argv[3]),
RMNETCTL_DEL_FLOW, &error_number);
} else if (!strcmp(*argv, "getlepc")) {
_RMNETCLI_CHECKNULL(argv[1]);
uint8_t rmnet_mode;
char *egress_dev_name;
egress_dev_name = NULL;
egress_dev_name = (char *)malloc(RMNET_MAX_STR_LEN
* sizeof(char));
if (!egress_dev_name) {
print_rmnet_api_status(RMNETCTL_LIB_ERR,
RMNETCTL_CFG_FAILURE_EGRESS_DEV_NAME_NULL);
rmnetctl_cleanup(handle);
return RMNETCTL_LIB_ERR;
}
return_code = rmnet_get_logical_ep_config(handle,
_STRTOI32(argv[1]), argv[2], &rmnet_mode,
&egress_dev_name, RMNET_MAX_STR_LEN, &error_number);
if (return_code == RMNETCTL_SUCCESS) {
printf("rmnet_mode is %u\n", rmnet_mode);
printf("egress_dev_name is %s\n", egress_dev_name);
}
free(egress_dev_name);
} else if (!strcmp(*argv, "addvnctcflow")) {
_RMNETCLI_CHECKNULL(argv[1]);
_RMNETCLI_CHECKNULL(argv[2]);
_RMNETCLI_CHECKNULL(argv[3]);
return_code = rmnet_add_del_vnd_tc_flow(handle,
_STRTOUI32(argv[1]), _STRTOUI32(argv[2]), _STRTOUI32(argv[3]),
RMNETCTL_ADD_FLOW, &error_number);
} else if (!strcmp(*argv, "setledf")) {
_RMNETCLI_CHECKNULL(argv[1]);
_RMNETCLI_CHECKNULL(argv[2]);
_RMNETCLI_CHECKNULL(argv[3]);
return_code = rmnet_set_link_egress_data_format(handle,
_STRTOUI32(argv[1]), _STRTOUI16(argv[2]), _STRTOUI16(argv[3]),
argv[4], &error_number);
} else if (!strcmp(*argv, "setlepc")) {
_RMNETCLI_CHECKNULL(argv[1]);
_RMNETCLI_CHECKNULL(argv[2]);
return_code = rmnet_set_logical_ep_config(handle,
_STRTOI32(argv[1]), _STRTOUI8(argv[2]), argv[3], argv[4],
&error_number);
} else if (!strcmp(*argv, "unsetlepc")) {
_RMNETCLI_CHECKNULL(argv[1]);
return_code = rmnet_unset_logical_ep_config(handle,
_STRTOI32(argv[1]), argv[2], &error_number);
}
print_rmnet_api_status(return_code, error_number);
rmnetctl_cleanup(handle);
return return_code;
}
/*!
* @brief Method which serves as en entry point to the rmnetcli function
* @details Entry point for the RmNet Netlink API. This is the command line
* interface for the RmNet API
* @param argc Number of arguments which vary based on the commands
* @param argv Value of the arguments which vary based on the commands
* @return RMNETCTL_SUCCESS if successful. Relevant data might be printed
* based on the message type
* @return RMNETCTL_LIB_ERR if there was a library error. Error code will be
* printed
* @return RMNETCTL_KERNEL_ERR if there was a error in the kernel. Error code will be
* printed
* @return RMNETCTL_INVALID_ARG if invalid arguments were passed to the API
*/
int main(int argc, char *argv[])
{
argc--;
argv++;
return rmnet_api_call(argc, argv);
}