Revision 1faac1f7 net/tap.c
| b/net/tap.c | ||
|---|---|---|
| 243 | 243 |
int tso6, int ecn, int ufo) |
| 244 | 244 |
{
|
| 245 | 245 |
TAPState *s = vc->opaque; |
| 246 |
unsigned int offload = 0; |
|
| 247 |
|
|
| 248 |
if (csum) {
|
|
| 249 |
offload |= TUN_F_CSUM; |
|
| 250 |
if (tso4) |
|
| 251 |
offload |= TUN_F_TSO4; |
|
| 252 |
if (tso6) |
|
| 253 |
offload |= TUN_F_TSO6; |
|
| 254 |
if ((tso4 || tso6) && ecn) |
|
| 255 |
offload |= TUN_F_TSO_ECN; |
|
| 256 |
if (ufo) |
|
| 257 |
offload |= TUN_F_UFO; |
|
| 258 |
} |
|
| 259 | 246 |
|
| 260 |
if (ioctl(s->fd, TUNSETOFFLOAD, offload) != 0) {
|
|
| 261 |
offload &= ~TUN_F_UFO; |
|
| 262 |
if (ioctl(s->fd, TUNSETOFFLOAD, offload) != 0) {
|
|
| 263 |
fprintf(stderr, "TUNSETOFFLOAD ioctl() failed: %s\n", |
|
| 264 |
strerror(errno)); |
|
| 265 |
} |
|
| 266 |
} |
|
| 247 |
return tap_fd_set_offload(s->fd, csum, tso4, tso6, ecn, ufo); |
|
| 267 | 248 |
} |
| 268 | 249 |
|
| 269 | 250 |
static void tap_cleanup(VLANClientState *vc) |
Also available in: Unified diff