Revision e7e92325
| b/Makefile | ||
|---|---|---|
| 90 | 90 |
net-nested-y = queue.o checksum.o |
| 91 | 91 |
net-nested-$(CONFIG_POSIX) += tap.o |
| 92 | 92 |
net-nested-$(CONFIG_WIN32) += tap-win32.o |
| 93 |
net-nested-$(CONFIG_BSD) += tap-bsd.o |
|
| 93 | 94 |
net-obj-y += $(addprefix net/, $(net-nested-y)) |
| 94 | 95 |
|
| 95 | 96 |
###################################################################### |
| b/net/tap-bsd.c | ||
|---|---|---|
| 1 |
/* |
|
| 2 |
* QEMU System Emulator |
|
| 3 |
* |
|
| 4 |
* Copyright (c) 2003-2008 Fabrice Bellard |
|
| 5 |
* |
|
| 6 |
* Permission is hereby granted, free of charge, to any person obtaining a copy |
|
| 7 |
* of this software and associated documentation files (the "Software"), to deal |
|
| 8 |
* in the Software without restriction, including without limitation the rights |
|
| 9 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
|
| 10 |
* copies of the Software, and to permit persons to whom the Software is |
|
| 11 |
* furnished to do so, subject to the following conditions: |
|
| 12 |
* |
|
| 13 |
* The above copyright notice and this permission notice shall be included in |
|
| 14 |
* all copies or substantial portions of the Software. |
|
| 15 |
* |
|
| 16 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|
| 17 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|
| 18 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
|
| 19 |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|
| 20 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
|
| 21 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
|
| 22 |
* THE SOFTWARE. |
|
| 23 |
*/ |
|
| 24 |
|
|
| 25 |
#include "net/tap.h" |
|
| 26 |
#incude "qemu-common.h" |
|
| 27 |
|
|
| 28 |
#ifdef __NetBSD__ |
|
| 29 |
#include <net/if_tap.h> |
|
| 30 |
#endif |
|
| 31 |
|
|
| 32 |
#if defined(__FreeBSD__) || defined(__DragonFly__) |
|
| 33 |
#include <libutil.h> |
|
| 34 |
#else |
|
| 35 |
#include <util.h> |
|
| 36 |
#endif |
|
| 37 |
#elif defined (__GLIBC__) && defined (__FreeBSD_kernel__) |
|
| 38 |
#include <freebsd/stdlib.h> |
|
| 39 |
|
|
| 40 |
#if defined(__OpenBSD__) |
|
| 41 |
#include <util.h> |
|
| 42 |
#endif |
|
| 43 |
|
|
| 44 |
int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required) |
|
| 45 |
{
|
|
| 46 |
int fd; |
|
| 47 |
char *dev; |
|
| 48 |
struct stat s; |
|
| 49 |
|
|
| 50 |
TFR(fd = open("/dev/tap", O_RDWR));
|
|
| 51 |
if (fd < 0) {
|
|
| 52 |
fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n"); |
|
| 53 |
return -1; |
|
| 54 |
} |
|
| 55 |
|
|
| 56 |
fstat(fd, &s); |
|
| 57 |
dev = devname(s.st_rdev, S_IFCHR); |
|
| 58 |
pstrcpy(ifname, ifname_size, dev); |
|
| 59 |
|
|
| 60 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
|
| 61 |
return fd; |
|
| 62 |
} |
|
| b/net/tap.c | ||
|---|---|---|
| 42 | 42 |
#include "net/tap-linux.h" |
| 43 | 43 |
#endif |
| 44 | 44 |
|
| 45 |
#ifdef __NetBSD__ |
|
| 46 |
#include <net/if_tap.h> |
|
| 47 |
#endif |
|
| 48 |
|
|
| 49 |
#ifdef CONFIG_BSD |
|
| 50 |
#if defined(__FreeBSD__) || defined(__DragonFly__) |
|
| 51 |
#include <libutil.h> |
|
| 52 |
#else |
|
| 53 |
#include <util.h> |
|
| 54 |
#endif |
|
| 55 |
#elif defined (__GLIBC__) && defined (__FreeBSD_kernel__) |
|
| 56 |
#include <freebsd/stdlib.h> |
|
| 57 |
#endif |
|
| 58 |
|
|
| 59 |
#if defined(__OpenBSD__) |
|
| 60 |
#include <util.h> |
|
| 61 |
#endif |
|
| 62 |
|
|
| 63 | 45 |
#ifdef __sun__ |
| 64 | 46 |
#include <sys/stat.h> |
| 65 | 47 |
#include <sys/ethernet.h> |
| ... | ... | |
| 394 | 376 |
return s; |
| 395 | 377 |
} |
| 396 | 378 |
|
| 397 |
#if defined (CONFIG_BSD) || defined (__FreeBSD_kernel__) |
|
| 398 |
static int tap_open(char *ifname, int ifname_size, |
|
| 399 |
int *vnet_hdr, int vnet_hdr_required) |
|
| 400 |
{
|
|
| 401 |
int fd; |
|
| 402 |
char *dev; |
|
| 403 |
struct stat s; |
|
| 404 |
|
|
| 405 |
TFR(fd = open("/dev/tap", O_RDWR));
|
|
| 406 |
if (fd < 0) {
|
|
| 407 |
fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n"); |
|
| 408 |
return -1; |
|
| 409 |
} |
|
| 410 |
|
|
| 411 |
fstat(fd, &s); |
|
| 412 |
dev = devname(s.st_rdev, S_IFCHR); |
|
| 413 |
pstrcpy(ifname, ifname_size, dev); |
|
| 414 |
|
|
| 415 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
|
| 416 |
return fd; |
|
| 417 |
} |
|
| 418 |
#elif defined(__sun__) |
|
| 379 |
#ifdef __sun__ |
|
| 419 | 380 |
#define TUNNEWPPA (('T'<<16) | 0x0001)
|
| 420 | 381 |
/* |
| 421 | 382 |
* Allocate TAP device, returns opened fd. |
| ... | ... | |
| 538 | 499 |
return tap_fd; |
| 539 | 500 |
} |
| 540 | 501 |
|
| 541 |
static int tap_open(char *ifname, int ifname_size, |
|
| 542 |
int *vnet_hdr, int vnet_hdr_required) |
|
| 502 |
int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required) |
|
| 543 | 503 |
{
|
| 544 | 504 |
char dev[10]=""; |
| 545 | 505 |
int fd; |
| ... | ... | |
| 552 | 512 |
return fd; |
| 553 | 513 |
} |
| 554 | 514 |
#elif defined (_AIX) |
| 555 |
static int tap_open(char *ifname, int ifname_size, |
|
| 556 |
int *vnet_hdr, int vnet_hdr_required) |
|
| 515 |
int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required) |
|
| 557 | 516 |
{
|
| 558 | 517 |
fprintf (stderr, "no tap on AIX\n"); |
| 559 | 518 |
return -1; |
| 560 | 519 |
} |
| 561 | 520 |
#else |
| 562 |
static int tap_open(char *ifname, int ifname_size, |
|
| 563 |
int *vnet_hdr, int vnet_hdr_required) |
|
| 521 |
int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required) |
|
| 564 | 522 |
{
|
| 565 | 523 |
struct ifreq ifr; |
| 566 | 524 |
int fd, ret; |
| b/net/tap.h | ||
|---|---|---|
| 34 | 34 |
|
| 35 | 35 |
int net_init_tap(QemuOpts *opts, Monitor *mon, const char *name, VLANState *vlan); |
| 36 | 36 |
|
| 37 |
int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required); |
|
| 38 |
|
|
| 37 | 39 |
int tap_has_ufo(VLANClientState *vc); |
| 38 | 40 |
int tap_has_vnet_hdr(VLANClientState *vc); |
| 39 | 41 |
void tap_using_vnet_hdr(VLANClientState *vc, int using_vnet_hdr); |
Also available in: Unified diff