1 /* vconfig.c - Creates virtual ethernet devices. 2 * 3 * Copyright 2012 Sandeep Sharma <sandeep.jack2756 (at) gmail.com> 4 * Copyright 2012 Kyungwan Han <asura321 (at) gmail.com> 5 * 6 * No standard 7 * 8 * TODO: cleanup 9 10 USE_VCONFIG(NEWTOY(vconfig, "<2>4", TOYFLAG_NEEDROOT|TOYFLAG_SBIN)) 11 12 config VCONFIG 13 bool "vconfig" 14 default y 15 help 16 usage: vconfig COMMAND [OPTIONS] 17 18 Create and remove virtual ethernet devices 19 20 add [interface-name] [vlan_id] 21 rem [vlan-name] 22 set_flag [interface-name] [flag-num] [0 | 1] 23 set_egress_map [vlan-name] [skb_priority] [vlan_qos] 24 set_ingress_map [vlan-name] [skb_priority] [vlan_qos] 25 set_name_type [name-type] 26 */ 27 28 #include "toys.h" 29 #include <linux/if_vlan.h> 30 #include <linux/sockios.h> 31 32 void vconfig_main(void) 33 { 34 struct vlan_ioctl_args request; 35 char *cmd; 36 int fd; 37 38 fd = xsocket(AF_INET, SOCK_STREAM, 0); 39 memset(&request, 0, sizeof(struct vlan_ioctl_args)); 40 cmd = toys.optargs[0]; 41 42 if (!strcmp(cmd, "set_name_type")) { 43 char *types[] = {"VLAN_PLUS_VID", "DEV_PLUS_VID", "VLAN_PLUS_VID_NO_PAD", 44 "DEV_PLUS_VID_NO_PAD"}; 45 int i, j = sizeof(types)/sizeof(*types); 46 47 for (i=0; i<j; i++) if (!strcmp(toys.optargs[1], types[i])) break; 48 if (i == j) { 49 for (i=0; i<j; i++) puts(types[i]); 50 error_exit("%s: unknown '%s'", cmd, toys.optargs[1]); 51 } 52 53 request.u.name_type = i; 54 request.cmd = SET_VLAN_NAME_TYPE_CMD; 55 xioctl(fd, SIOCSIFVLAN, &request); 56 return; 57 } 58 59 // Store interface name 60 xstrncpy(request.device1, toys.optargs[1], 16); 61 62 if (!strcmp(cmd, "add")) { 63 request.cmd = ADD_VLAN_CMD; 64 if (toys.optargs[2]) request.u.VID = atolx_range(toys.optargs[2], 0, 4094); 65 if (request.u.VID == 1) 66 xprintf("WARNING: VLAN 1 does not work with many switches.\n"); 67 } else if (!strcmp(cmd, "rem")) request.cmd = DEL_VLAN_CMD; 68 else if (!strcmp(cmd, "set_flag")) { 69 request.cmd = SET_VLAN_FLAG_CMD; 70 if (toys.optargs[2]) request.u.flag = atolx_range(toys.optargs[2], 0, 1); 71 if (toys.optargs[3]) request.vlan_qos = atolx_range(toys.optargs[3], 0, 7); 72 } else if(strcmp(cmd, "set_egress_map") == 0) { 73 request.cmd = SET_VLAN_EGRESS_PRIORITY_CMD; 74 if (toys.optargs[2]) 75 request.u.skb_priority = atolx_range(toys.optargs[2], 0, INT_MAX); 76 if (toys.optargs[3]) request.vlan_qos = atolx_range(toys.optargs[3], 0, 7); 77 } else if(strcmp(cmd, "set_ingress_map") == 0) { 78 request.cmd = SET_VLAN_INGRESS_PRIORITY_CMD; 79 if (toys.optargs[2]) 80 request.u.skb_priority = atolx_range(toys.optargs[2], 0, INT_MAX); 81 //To set flag we must have to set vlan_qos 82 if (toys.optargs[3]) request.vlan_qos = atolx_range(toys.optargs[3], 0, 7); 83 } else { 84 xclose(fd); 85 perror_exit("Unknown command %s", cmd); 86 } 87 88 xioctl(fd, SIOCSIFVLAN, &request); 89 xprintf("Successful %s on device %s\n", cmd, toys.optargs[1]); 90 } 91
