openbcm

Git mirror of https://github.com/Broadcom-Network-Switching-Software/OpenBCM
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config.c (2322B)

      1 /*
      2  * 
      3  * This license is set out in https://raw.githubusercontent.com/Broadcom-Network-Switching-Software/OpenBCM/master/Legal/LICENSE file.
      4  * 
      5  * Copyright 2007-2019 Broadcom Inc. All rights reserved.
      6  *
      7  * System configuration command.
      8  */
      9 
     10 #include <appl/diag/shell.h>
     11 #include <appl/diag/system.h>
     12 #include <kconfig.h>
     13 
     14 char sh_config_usage[] =
     15     "Parameters: show | refresh | save | [add] [<var>=<value>] | delete <var>\n\t"
     16     "If no parameters are given, displays the current config vars.\n\t"
     17     "  show                display current config vars\n\t"
     18     "  <var>=<value>       change the value of a config var\n\t"
     19     "  add <var>=<value>   create a new config var\n\t"
     20     "  delete <var>        deletes a config var\n\t"
     21     "  =                   prompt for new value for each config var\n\t"
     22     "NOTE: changes are not retained permanently unless saved\n";
     23 
     24 cmd_result_t
     25 sh_config(int u, args_t *a)
     26 /*
     27  * Function: 	sh_config
     28  * Purpose:	Configure switch management information.
     29  * Parameters:
     30  * Returns:
     31  */
     32 {
     33     int	rv, add;
     34     char *name, *value, *c = ARG_CUR(a);
     35 
     36     rv = CMD_OK;
     37 
     38     if (c == NULL || !sal_strcasecmp(c, "show")) {
     39         name = NULL;
     40         while (kconfig_get_next(&name, &value) >= 0) {
     41             sal_printf("\t%s=%s\n", name, value);
     42         }
     43         if (NULL != c) {
     44             ARG_NEXT(a);
     45         }
     46         return CMD_OK;
     47     }
     48 
     49     if (!sal_strcasecmp(c, "delete")) {
     50 	ARG_NEXT(a);
     51 	while ((c = ARG_GET(a)) != NULL) {
     52 	    if (kconfig_set(c, 0) != 0) {
     53 		printk("%s: Variable not found: %s\n", ARG_CMD(a), c);
     54 		rv = CMD_FAIL;
     55 	    }
     56 	}
     57 	return rv;
     58     }
     59 
     60     if (!sal_strcasecmp(c, "add")) {
     61 	ARG_NEXT(a);
     62 	add = 1;
     63     } else {
     64 	add = 0;
     65     }
     66 
     67     if (ARG_CNT(a)) {
     68 	while ((c = ARG_GET(a)) != NULL) {
     69 	    char *s;
     70 	    s = strchr(c, '=');
     71 	    if (s == NULL) {
     72 		printk("%s: Invalid assignment: %s\n", ARG_CMD(a), c);
     73 		rv = CMD_FAIL;
     74 	    } else {
     75                 *s++ = 0;
     76                 if (!add && kconfig_get(c) == NULL) {
     77                     printk("%s: Must use 'add' to create new variable: %s\n",
     78                            ARG_CMD(a), c);
     79                     rv = CMD_FAIL;
     80                 } else {
     81                     if (kconfig_set(c, s) < 0) {
     82                         rv = CMD_FAIL;
     83                     }
     84 		}
     85 	    }
     86 	}
     87     }
     88 
     89     return rv;
     90 }