[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/busybox/src/networking/vconfig.c b/ap/app/busybox/src/networking/vconfig.c
new file mode 100644
index 0000000..924b2f0
--- /dev/null
+++ b/ap/app/busybox/src/networking/vconfig.c
@@ -0,0 +1,153 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * vconfig implementation for busybox
+ *
+ * Copyright (C) 2001  Manuel Novoa III  <mjn3@codepoet.org>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ */
+
+/* BB_AUDIT SUSv3 N/A */
+
+//usage:#define vconfig_trivial_usage
+//usage:       "COMMAND [OPTIONS]"
+//usage:#define vconfig_full_usage "\n\n"
+//usage:       "Create and remove virtual ethernet devices\n"
+//usage:     "\n	add		IFACE VLAN_ID"
+//usage:     "\n	rem		VLAN_NAME"
+//usage:     "\n	set_flag	IFACE 0|1 VLAN_QOS"
+//usage:     "\n	set_egress_map	VLAN_NAME SKB_PRIO VLAN_QOS"
+//usage:     "\n	set_ingress_map	VLAN_NAME SKB_PRIO VLAN_QOS"
+//usage:     "\n	set_name_type	NAME_TYPE"
+
+#include "libbb.h"
+#include <net/if.h>
+
+/* Stuff from linux/if_vlan.h, kernel version 2.4.23 */
+enum vlan_ioctl_cmds {
+	ADD_VLAN_CMD,
+	DEL_VLAN_CMD,
+	SET_VLAN_INGRESS_PRIORITY_CMD,
+	SET_VLAN_EGRESS_PRIORITY_CMD,
+	GET_VLAN_INGRESS_PRIORITY_CMD,
+	GET_VLAN_EGRESS_PRIORITY_CMD,
+	SET_VLAN_NAME_TYPE_CMD,
+	SET_VLAN_FLAG_CMD
+};
+enum vlan_name_types {
+	VLAN_NAME_TYPE_PLUS_VID, /* Name will look like:  vlan0005 */
+	VLAN_NAME_TYPE_RAW_PLUS_VID, /* name will look like:  eth1.0005 */
+	VLAN_NAME_TYPE_PLUS_VID_NO_PAD, /* Name will look like:  vlan5 */
+	VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD, /* Name will look like:  eth0.5 */
+	VLAN_NAME_TYPE_HIGHEST
+};
+
+struct vlan_ioctl_args {
+	int cmd; /* Should be one of the vlan_ioctl_cmds enum above. */
+	char device1[24];
+
+	union {
+		char device2[24];
+		int VID;
+		unsigned int skb_priority;
+		unsigned int name_type;
+		unsigned int bind_type;
+		unsigned int flag; /* Matches vlan_dev_info flags */
+	} u;
+
+	short vlan_qos;
+};
+
+#define VLAN_GROUP_ARRAY_LEN  4096
+#define SIOCSIFVLAN           0x8983  /* Set 802.1Q VLAN options */
+
+/* On entry, table points to the length of the current string
+ * plus NUL terminator plus data length for the subsequent entry.
+ * The return value is the last data entry for the matching string. */
+static const char *xfind_str(const char *table, const char *str)
+{
+	while (strcasecmp(str, table + 1) != 0) {
+		if (!table[0])
+			bb_show_usage();
+		table += table[0];
+	}
+	return table - 1;
+}
+
+static const char cmds[] ALIGN1 = {
+	4, ADD_VLAN_CMD, 7,
+	'a','d','d',0,
+	3, DEL_VLAN_CMD, 7,
+	'r','e','m',0,
+	3, SET_VLAN_NAME_TYPE_CMD, 17,
+	's','e','t','_','n','a','m','e','_','t','y','p','e',0,
+	5, SET_VLAN_FLAG_CMD, 12,
+	's','e','t','_','f','l','a','g',0,
+	5, SET_VLAN_EGRESS_PRIORITY_CMD, 18,
+	's','e','t','_','e','g','r','e','s','s','_','m','a','p',0,
+	5, SET_VLAN_INGRESS_PRIORITY_CMD, 0,
+	's','e','t','_','i','n','g','r','e','s','s','_','m','a','p',0,
+};
+
+static const char name_types[] ALIGN1 = {
+	VLAN_NAME_TYPE_PLUS_VID, 16,
+	'V','L','A','N','_','P','L','U','S','_','V','I','D',0,
+	VLAN_NAME_TYPE_PLUS_VID_NO_PAD, 22,
+	'V','L','A','N','_','P','L','U','S','_','V','I','D','_','N','O','_','P','A','D',0,
+	VLAN_NAME_TYPE_RAW_PLUS_VID, 15,
+	'D','E','V','_','P','L','U','S','_','V','I','D',0,
+	VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD, 0,
+	'D','E','V','_','P','L','U','S','_','V','I','D','_','N','O','_','P','A','D',0,
+};
+
+int vconfig_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int vconfig_main(int argc, char **argv)
+{
+	struct vlan_ioctl_args ifr;
+	const char *p;
+	int fd;
+
+	memset(&ifr, 0, sizeof(ifr));
+
+	++argv;
+	if (!argv[0])
+		bb_show_usage();
+	p = xfind_str(cmds + 2, argv[0]);
+	ifr.cmd = *p;
+	if (argc != p[-1])
+		bb_show_usage();
+
+	if (ifr.cmd == SET_VLAN_NAME_TYPE_CMD) {
+		/* set_name_type */
+		ifr.u.name_type = *xfind_str(name_types + 1, argv[1]);
+	} else {
+		strncpy_IFNAMSIZ(ifr.device1, argv[1]);
+		p = argv[2];
+
+		/* I suppose one could try to combine some of the function calls below,
+		 * since ifr.u.flag, ifr.u.VID, and ifr.u.skb_priority are all same-sized
+		 * (unsigned) int members of a unions.  But because of the range checking,
+		 * doing so wouldn't save that much space and would also make maintainence
+		 * more of a pain.
+		 */
+		if (ifr.cmd == SET_VLAN_FLAG_CMD) {
+			/* set_flag */
+			ifr.u.flag = xatou_range(p, 0, 1);
+			/* DM: in order to set reorder header, qos must be set */
+			ifr.vlan_qos = xatou_range(argv[3], 0, 7);
+		} else if (ifr.cmd == ADD_VLAN_CMD) {
+			/* add */
+			ifr.u.VID = xatou_range(p, 0, VLAN_GROUP_ARRAY_LEN - 1);
+		} else if (ifr.cmd != DEL_VLAN_CMD) {
+			/* set_{egress|ingress}_map */
+			ifr.u.skb_priority = xatou(p);
+			ifr.vlan_qos = xatou_range(argv[3], 0, 7);
+		}
+	}
+
+	fd = xsocket(AF_INET, SOCK_STREAM, 0);
+	ioctl_or_perror_and_die(fd, SIOCSIFVLAN, &ifr,
+						"ioctl error for %s", argv[0]);
+
+	return 0;
+}