arch/um/drivers/vector_user.c

178

if (ioctl(fd, SIOCGIFINDEX, (void *) &ifr) < 0) {

include/uapi/linux/sockios.h

86

#define SIOGIFINDEX SIOCGIFINDEX /* misprint compatibility :-) */

net/core/dev_ioctl.c

169

case SIOCGIFINDEX:

net/core/dev_ioctl.c

737

case SIOCGIFINDEX:

net/socket.c

3477

case SIOCGIFINDEX:

tools/testing/selftests/net/can/test_raw_filter.c

74

ret = ioctl(s, SIOCGIFINDEX, &ifr);

tools/testing/selftests/net/nettest.c

359

rc = ioctl(sd, SIOCGIFINDEX, (char *)&ifdata);

tools/virtio/vhost_net_test.c

110

assert(ioctl(dev->sock, SIOCGIFINDEX, &ifr) >= 0);