| /* |
| * |
| * Copyright (c) Rusty Russell <rusty@rustcorp.com.au> |
| * Copyright (c) International Business Machines Corp., 2008 |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| * the GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /* |
| * |
| * |
| * File: ioctl03.c |
| * |
| * Description: This program tests whether all the valid IFF flags are |
| * returned properly by implementation of TUNGETFEATURES ioctl |
| * on kernel 2.6.27 |
| * |
| * Total Tests: 1 |
| * |
| * Test Name: ioctl03 |
| * |
| * Author: Rusty Russell <rusty@rustcorp.com.au> |
| * |
| * History: Created - Nov 28 2008 - Rusty Russell <rusty@rustcorp.com.au> |
| * Ported to LTP |
| * - Nov 28 2008 - Subrata <subrata@linux.vnet.ibm.com> |
| */ |
| |
| #include <sys/types.h> |
| #include <sys/ioctl.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <errno.h> |
| #include <stdio.h> |
| #include <linux/if_tun.h> |
| |
| #include "test.h" |
| |
| #ifndef TUNGETFEATURES |
| #define TUNGETFEATURES _IOR('T', 207, unsigned int) |
| #endif |
| |
| #ifndef IFF_VNET_HDR |
| #define IFF_VNET_HDR 0x4000 |
| #endif |
| |
| #ifndef IFF_MULTI_QUEUE |
| #define IFF_MULTI_QUEUE 0x0100 |
| #endif |
| |
| char *TCID = "ioctl03"; |
| int TST_TOTAL = 1; |
| |
| static void cleanup(void) |
| { |
| tst_rmdir(); |
| } |
| |
| static void setup(void) |
| { |
| TEST_PAUSE; |
| tst_tmpdir(); |
| } |
| |
| static struct { |
| unsigned int flag; |
| const char *name; |
| } known_flags[] = { |
| { |
| IFF_TUN, "TUN"}, { |
| IFF_TAP, "TAP"}, { |
| IFF_NO_PI, "NO_PI"}, { |
| IFF_ONE_QUEUE, "ONE_QUEUE"}, { |
| IFF_VNET_HDR, "VNET_HDR"}, { |
| IFF_MULTI_QUEUE, "MULTI_QUEUE"} |
| }; |
| |
| int main(void) |
| { |
| unsigned int features, i; |
| |
| setup(); |
| tst_require_root(NULL); |
| |
| int netfd = open("/dev/net/tun", O_RDWR); |
| if (netfd < 0) |
| tst_brkm(TBROK | TERRNO, cleanup, |
| "opening /dev/net/tun failed"); |
| |
| if (ioctl(netfd, TUNGETFEATURES, &features) != 0) |
| tst_brkm(TCONF, cleanup, |
| "Kernel does not support TUNGETFEATURES"); |
| tst_resm(TINFO, "Available features are: %#x", features); |
| for (i = 0; i < sizeof(known_flags) / sizeof(known_flags[0]); i++) { |
| if (features & known_flags[i].flag) { |
| features &= ~known_flags[i].flag; |
| tst_resm(TINFO, "%s %#x", known_flags[i].name, |
| known_flags[i].flag); |
| } |
| } |
| if (features) |
| tst_resm(TFAIL, "(UNKNOWN %#x)", features); |
| cleanup(); |
| tst_exit(); |
| } |