diff options
author | Eric Andersen <andersen@codepoet.org> | 2003-01-23 08:59:32 +0300 |
---|---|---|
committer | Eric Andersen <andersen@codepoet.org> | 2003-01-23 08:59:32 +0300 |
commit | 853c494efd7d4a3183918df69c21ceefc5ed7578 (patch) | |
tree | 98131f99d92b5e8e5af98f1946a84eb732b26c5c /networking/vconfig.c | |
parent | 97d86f2bb59751be52fb3ee5cdb8b06e7b3bb98f (diff) |
A patch from John F. Kelly to add in a utility for configuring
vlan under linux, derived from Ben Greear's VLAN "vconfig" tool.
Diffstat (limited to 'networking/vconfig.c')
-rw-r--r-- | networking/vconfig.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/networking/vconfig.c b/networking/vconfig.c new file mode 100644 index 000000000..0ad759e69 --- /dev/null +++ b/networking/vconfig.c @@ -0,0 +1,166 @@ +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <fcntl.h> +#include <strings.h> +#include <sys/ioctl.h> +#include <linux/if_vlan.h> +#include <linux/sockios.h> +#include <string.h> +#include <sys/socket.h> +#include <sys/types.h> +#include "busybox.h" + + + +int vconfig_main(int argc, char** argv) { + int fd; + struct vlan_ioctl_args if_request; + + char* cmd = NULL; + char* if_name = NULL; + unsigned int vid = 0; + unsigned int skb_priority; + unsigned short vlan_qos; + unsigned int nm_type = VLAN_NAME_TYPE_PLUS_VID; + + char* conf_file_name = "/proc/net/vlan/config"; + + memset(&if_request, 0, sizeof(struct vlan_ioctl_args)); + + if ((argc < 3) || (argc > 5)) { + error_msg_and_die("Expecting argc to be 3-5, inclusive. Was: %d\n",argc); + } + else { + cmd = argv[1]; + + if (strcasecmp(cmd, "set_name_type") == 0) { + if (strcasecmp(argv[2], "VLAN_PLUS_VID") == 0) { + nm_type = VLAN_NAME_TYPE_PLUS_VID; + } + else if (strcasecmp(argv[2], "VLAN_PLUS_VID_NO_PAD") == 0) { + nm_type = VLAN_NAME_TYPE_PLUS_VID_NO_PAD; + } + else if (strcasecmp(argv[2], "DEV_PLUS_VID") == 0) { + nm_type = VLAN_NAME_TYPE_RAW_PLUS_VID; + } + else if (strcasecmp(argv[2], "DEV_PLUS_VID_NO_PAD") == 0) { + nm_type = VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD; + } + else { + error_msg_and_die("Invalid name type.\n"); + } + if_request.u.name_type = nm_type; + } + else { + if_name = argv[2]; + if (strlen(if_name) > 15) { + error_msg_and_die("ERROR: if_name must be 15 characters or less.\n"); + } + strcpy(if_request.device1, if_name); + } + + if (argc == 4) { + vid = atoi(argv[3]); + if_request.u.VID = vid; + } + + if (argc == 5) { + skb_priority = atoi(argv[3]); + vlan_qos = atoi(argv[4]); + if_request.u.skb_priority = skb_priority; + if_request.vlan_qos = vlan_qos; + } + } + + // Open up the /proc/vlan/config + if ((fd = open(conf_file_name, O_RDONLY)) < 0) { + error_msg("WARNING: Could not open /proc/net/vlan/config. Maybe you need to load the 8021q module, or maybe you are not using PROCFS??\n"); + } + else { + close(fd); + } + + /* We use sockets now, instead of the file descriptor */ + if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) { + error_msg_and_die("FATAL: Couldn't open a socket..go figure!\n"); + } + + /* add */ + if (strcasecmp(cmd, "add") == 0) { + if_request.cmd = ADD_VLAN_CMD; + if (ioctl(fd, SIOCSIFVLAN, &if_request) < 0) { + error_msg("ERROR: trying to add VLAN #%u to IF -:%s:- error: %s\n", + vid, if_name, strerror(errno)); + } + else { + printf("Added VLAN with VID == %u to IF -:%s:-\n", vid, if_name); + if (vid == 1) { + error_msg("WARNING: VLAN 1 does not work with many switches,\nconsider another number if you have problems.\n"); + } + } + }//if + else if (strcasecmp(cmd, "rem") == 0) { + if_request.cmd = DEL_VLAN_CMD; + if (ioctl(fd, SIOCSIFVLAN, &if_request) < 0) { + error_msg("ERROR: trying to remove VLAN -:%s:- error: %s\n", + if_name, strerror(errno)); + } + else { + printf("Removed VLAN -:%s:-\n", if_name); + } + }//if + else if (strcasecmp(cmd, "set_egress_map") == 0) { + if_request.cmd = SET_VLAN_EGRESS_PRIORITY_CMD; + if (ioctl(fd, SIOCSIFVLAN, &if_request) < 0) { + error_msg("ERROR: trying to set egress map on device -:%s:- error: %s\n", + if_name, strerror(errno)); + } + else { + printf("Set egress mapping on device -:%s:- " + "Should be visible in /proc/net/vlan/%s\n", + if_name, if_name); + } + } + else if (strcasecmp(cmd, "set_ingress_map") == 0) { + if_request.cmd = SET_VLAN_INGRESS_PRIORITY_CMD; + if (ioctl(fd, SIOCSIFVLAN, &if_request) < 0) { + error_msg("ERROR: trying to set ingress map on device -:%s:- error: %s\n", + if_name, strerror(errno)); + } + else { + printf("Set ingress mapping on device -:%s:- " + "Should be visible in /proc/net/vlan/%s\n", + if_name, if_name); + } + } + else if (strcasecmp(cmd, "set_flag") == 0) { + if_request.cmd = SET_VLAN_FLAG_CMD; + if (ioctl(fd, SIOCSIFVLAN, &if_request) < 0) { + error_msg("ERROR: trying to set flag on device -:%s:- error: %s\n", + if_name, strerror(errno)); + } + else { + printf("Set flag on device -:%s:- " + "Should be visible in /proc/net/vlan/%s\n", + if_name, if_name); + } + } + else if (strcasecmp(cmd, "set_name_type") == 0) { + if_request.cmd = SET_VLAN_NAME_TYPE_CMD; + if (ioctl(fd, SIOCSIFVLAN, &if_request) < 0) { + error_msg("ERROR: trying to set name type for VLAN subsystem, error: %s\n", + strerror(errno)); + } + else { + printf("Set name-type for VLAN subsystem." + " Should be visible in /proc/net/vlan/config\n"); + } + } + else { + error_msg_and_die("Unknown command -:%s:-\n", cmd); + } + + return 0; +}/* main */ |