Mercurial > hg > toybox

annotate toys/other/vconfig.c @ 1261:9e105bab92e5 draft

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Revert lots of half-finished local debris I didn't mean to check in with Isaac's roadmap update. Mercurial's "import" command is still broken, committing local tree changes to files that weren't even touched by the patch because the hg developers inisist, when I point out how stupid it is, that they meant to do that. (hg record can do hunks, but import can't even track _files_.)
author Rob Landley <rob@landley.net>
date Wed, 16 Apr 2014 08:54:19 -0500
parents 6ca31490f581
children 160ea67a200d
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1 /* vconfig.c - Creates virtual ethernet devices.
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2 *
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3 * Copyright 2012 Sandeep Sharma <sandeep.jack2756@gmail.com>
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4 * Copyright 2012 Kyungwan Han <asura321@gmail.com>
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5 *
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6 * No standard
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7
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8 USE_VCONFIG(NEWTOY(vconfig, "<2>4", TOYFLAG_NEEDROOT|TOYFLAG_SBIN))
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9
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10 config VCONFIG
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11 bool "vconfig"
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12 default y
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13 help
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14 usage: vconfig COMMAND [OPTIONS]
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15
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16 add [interface-name] [vlan_id]
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17 rem [vlan-name]
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18 set_flag [interface-name] [flag-num] [0 | 1]
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19 set_egress_map [vlan-name] [skb_priority] [vlan_qos]
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20 set_ingress_map [vlan-name] [skb_priority] [vlan_qos]
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21 set_name_type [name-type]
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22
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23 Create and remove virtual ethernet devices
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24 */
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25
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26 #include "toys.h"
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27 #include <linux/if_vlan.h>
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28 #include <linux/sockios.h>
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29
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30 static long strtorange(char *str, long min, long max)
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31 {
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32 char *end = 0;
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33 long val = strtol(str, &end, 10);
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34
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35 if (end && *end && end != str && val >= min && val <= max) return val;
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36
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37 perror_exit("%s not %ld-%ld\n", str, min, max);
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38 }
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39
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40 void vconfig_main(void)
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41 {
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42 struct vlan_ioctl_args request;
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43 char *cmd;
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44 int fd;
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45
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46 fd = xsocket(AF_INET, SOCK_STREAM, 0);
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47 memset(&request, 0, sizeof(struct vlan_ioctl_args));
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48 cmd = toys.optargs[0];
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49
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50 if (!strcmp(cmd, "set_name_type")) {
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51 char *types[] = {"VLAN_PLUS_VID", "DEV_PLUS_VID", "VLAN_PLUS_VID_NO_PAD",
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52 "DEV_PLUS_VID_NO_PAD"};
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53 int i, j = sizeof(types)/sizeof(*types);
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54
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55 for (i=0; i<j; i++) if (!strcmp(toys.optargs[1], types[i])) break;
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56 if (i == j) {
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57 for (i=0; i<j; i++) puts(types[i]);
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58 error_exit("%s: unknown '%s'", cmd, toys.optargs[1]);
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59 }
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60
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61 request.u.name_type = i;
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62 request.cmd = SET_VLAN_NAME_TYPE_CMD;
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63 xioctl(fd, SIOCSIFVLAN, &request);
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64 return;
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65 }
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66
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67 // Store interface name
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68 xstrncpy(request.device1, toys.optargs[1], 16);
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69
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70 if (!strcmp(cmd, "add")) {
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71 request.cmd = ADD_VLAN_CMD;
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72 if (toys.optargs[2]) request.u.VID = strtorange(toys.optargs[2], 0, 4094);
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73 if (request.u.VID == 1)
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74 xprintf("WARNING: VLAN 1 does not work with many switches.\n");
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75 } else if (!strcmp(cmd, "rem")) request.cmd = DEL_VLAN_CMD;
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76 else if (!strcmp(cmd, "set_flag")) {
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77 request.cmd = SET_VLAN_FLAG_CMD;
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78 if (toys.optargs[2]) request.u.flag = strtorange(toys.optargs[2], 0, 1);
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79 if (toys.optargs[3]) request.vlan_qos = strtorange(toys.optargs[3], 0, 7);
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80 } else if(strcmp(cmd, "set_egress_map") == 0) {
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81 request.cmd = SET_VLAN_EGRESS_PRIORITY_CMD;
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82 if (toys.optargs[2])
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83 request.u.skb_priority = strtorange(toys.optargs[2], 0, INT_MAX);
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84 if (toys.optargs[3]) request.vlan_qos = strtorange(toys.optargs[3], 0, 7);
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85 } else if(strcmp(cmd, "set_ingress_map") == 0) {
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86 request.cmd = SET_VLAN_INGRESS_PRIORITY_CMD;
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87 if (toys.optargs[2])
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88 request.u.skb_priority = strtorange(toys.optargs[2], 0, INT_MAX);
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89 //To set flag we must have to set vlan_qos
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90 if (toys.optargs[3]) request.vlan_qos = strtorange(toys.optargs[3], 0, 7);
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91 } else {
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92 xclose(fd);
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93 perror_exit("Unknown command %s", cmd);
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94 }
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95
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96 xioctl(fd, SIOCSIFVLAN, &request);
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97 xprintf("Successful %s on device %s\n", cmd, toys.optargs[1]);
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98 }