| bpf.c (65922) | bpf.c (66067) |
|---|---|
| 1/* 2 * Copyright (c) 1990, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from the Stanford/CMU enet packet filter, 6 * (net/enet.c) distributed as part of 4.3BSD, and code contributed 7 * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence 8 * Berkeley Laboratory. --- 23 unchanged lines hidden (view full) --- 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)bpf.c 8.2 (Berkeley) 3/28/94 39 * | 1/* 2 * Copyright (c) 1990, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from the Stanford/CMU enet packet filter, 6 * (net/enet.c) distributed as part of 4.3BSD, and code contributed 7 * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence 8 * Berkeley Laboratory. --- 23 unchanged lines hidden (view full) --- 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)bpf.c 8.2 (Berkeley) 3/28/94 39 * |
| 40 * $FreeBSD: head/sys/net/bpf.c 65922 2000-09-16 14:17:15Z brian $ | 40 * $FreeBSD: head/sys/net/bpf.c 66067 2000-09-19 10:28:44Z phk $ |
| 41 */ 42 43#include "bpf.h" 44 45#ifndef __GNUC__ 46#define inline 47#else 48#define inline __inline --- 309 unchanged lines hidden (view full) --- 358 359 d = dev->si_drv1; 360 /* 361 * Each minor can be opened by only one process. If the requested 362 * minor is in use, return EBUSY. 363 */ 364 if (d) 365 return (EBUSY); | 41 */ 42 43#include "bpf.h" 44 45#ifndef __GNUC__ 46#define inline 47#else 48#define inline __inline --- 309 unchanged lines hidden (view full) --- 358 359 d = dev->si_drv1; 360 /* 361 * Each minor can be opened by only one process. If the requested 362 * minor is in use, return EBUSY. 363 */ 364 if (d) 365 return (EBUSY); |
| 366 make_dev(&bpf_cdevsw, minor(dev), 0, 0, 0600, "bpf%d", lminor(dev)); | 366 make_dev(&bpf_cdevsw, minor(dev), UID_ROOT, GID_WHEEL, 0600, 367 "bpf%d", dev2unit(dev)); |
| 367 MALLOC(d, struct bpf_d *, sizeof(*d), M_BPF, M_WAITOK); 368 bzero(d, sizeof(*d)); 369 dev->si_drv1 = d; 370 d->bd_bufsize = bpf_bufsize; 371 d->bd_sig = SIGIO; 372 d->bd_seesent = 1; 373 374 return (0); --- 997 unchanged lines hidden (view full) --- 1372 dev_t *dev; 1373{ 1374 int u; 1375 1376 if (*dev != NODEV) 1377 return; 1378 if (dev_stdclone(name, NULL, "bpf", &u) != 1) 1379 return; | 368 MALLOC(d, struct bpf_d *, sizeof(*d), M_BPF, M_WAITOK); 369 bzero(d, sizeof(*d)); 370 dev->si_drv1 = d; 371 d->bd_bufsize = bpf_bufsize; 372 d->bd_sig = SIGIO; 373 d->bd_seesent = 1; 374 375 return (0); --- 997 unchanged lines hidden (view full) --- 1373 dev_t *dev; 1374{ 1375 int u; 1376 1377 if (*dev != NODEV) 1378 return; 1379 if (dev_stdclone(name, NULL, "bpf", &u) != 1) 1380 return; |
| 1380 /* XXX: minor encoding if u > 255 */ 1381 *dev = make_dev(&bpf_cdevsw, u, 0, 0, 0600, "bpf%d", u); | 1381 *dev = make_dev(&bpf_cdevsw, unit2minor(u), UID_ROOT, GID_WHEEL, 0600, 1382 "bpf%d", u); 1383 (*dev)->si_flags |= SI_CHEAPCLONE; |
| 1382 return; 1383} 1384 1385static void 1386bpf_drvinit(unused) 1387 void *unused; 1388{ 1389 --- 53 unchanged lines hidden --- | 1384 return; 1385} 1386 1387static void 1388bpf_drvinit(unused) 1389 void *unused; 1390{ 1391 --- 53 unchanged lines hidden --- |