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Lines 227-236
tap_init(struct net_backend *be, const char *devname,
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| 227 |
struct tap_priv *priv = NET_BE_PRIV(be); |
227 |
struct tap_priv *priv = NET_BE_PRIV(be); |
| 228 |
char tbuf[80]; |
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char tbuf[80]; |
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int opt = 1; |
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int opt = 1; |
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#if defined(INET6) || defined(INET) |
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| 231 |
struct ifreq ifrq; |
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| 232 |
int s; |
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#endif |
| 234 |
#ifndef WITHOUT_CAPSICUM |
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#ifndef WITHOUT_CAPSICUM |
| 235 |
cap_rights_t rights; |
232 |
cap_rights_t rights; |
| 236 |
#endif |
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#endif |
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Lines 258-295
tap_init(struct net_backend *be, const char *devname,
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| 258 |
goto error; |
255 |
goto error; |
| 259 |
} |
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} |
| 260 |
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| 261 |
#if defined(INET6) || defined(INET) |
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int up = IFF_UP; |
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/* |
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if (ioctl(be->fd, VMIO_SIOCSIFFLAGS, &up)) { |
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* Try to UP the interface rather than relying on |
260 |
WPRINTF(("tap device link up failed")); |
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* net.link.tap.up_on_open. |
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*/ |
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bzero(&ifrq, sizeof(ifrq)); |
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if (ioctl(be->fd, TAPGIFNAME, &ifrq) < 0) { |
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WPRINTF(("Could not get interface name")); |
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goto error; |
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} |
| 271 |
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s = -1; |
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for (size_t i = 0; s == -1 && i < nitems(pf_list); i++) |
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s = socket(pf_list[i], SOCK_DGRAM, 0); |
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if (s == -1) { |
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WPRINTF(("Could open socket")); |
| 277 |
goto error; |
| 278 |
} |
| 279 |
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| 280 |
if (ioctl(s, SIOCGIFFLAGS, &ifrq) < 0) { |
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(void)close(s); |
| 282 |
WPRINTF(("Could not get interface flags")); |
| 283 |
goto error; |
261 |
goto error; |
| 284 |
} |
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} |
| 285 |
ifrq.ifr_flags |= IFF_UP; |
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| 286 |
if (ioctl(s, SIOCSIFFLAGS, &ifrq) < 0) { |
| 287 |
(void)close(s); |
| 288 |
WPRINTF(("Could not set interface flags")); |
| 289 |
goto error; |
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} |
| 291 |
(void)close(s); |
| 292 |
#endif |
| 293 |
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263 |
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| 294 |
#ifndef WITHOUT_CAPSICUM |
264 |
#ifndef WITHOUT_CAPSICUM |
| 295 |
cap_rights_init(&rights, CAP_EVENT, CAP_READ, CAP_WRITE); |
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cap_rights_init(&rights, CAP_EVENT, CAP_READ, CAP_WRITE); |
| 296 |
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