int IsLinkUp(const char *dev)
{
struct ifreq ifr;
int sockfd;
/* Create socket */
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0)
{
ZError(DBG_ZDEVCFG,"socket open failed\n");
return ZQERROR;
/* Can't clean_exit(), will recurse - Jean II */
}
/* Try to read flags. Will fail if device doesn't exist */
strncpy(ifr.ifr_name, dev, IFNAMSIZ);
if (ioctl(sockfd, SIOCGIFFLAGS, &ifr) < 0)
{
ZError(DBG_ZDEVCFG,"IO control SIOCGIFFLAGS failed\n");
close (sockfd);
return ZQERROR;
}
int iRet=do_gset(sockfd,&ifr);
close(sockfd);
/**
0 implies link down
1 implies link up
**/
return iRet;
}
static int doit(void)
{
struct ifreq ifr;
int fd;
/* Setup our control structures. */
memset(&ifr, 0, sizeof(ifr));
strcpy(ifr.ifr_name, devname);
/* Open control socket. */
fd = socket(AF_INET, SOCK_DGRAM, 0);
if (fd < 0) {
perror("Cannot get control socket");
return 70;
}
/* all of these are expected to populate ifr->ifr_data as needed */
if (mode == MODE_GDRV) {
return do_gdrv(fd, &ifr);
} else if (mode == MODE_GSET) {
return do_gset(fd, &ifr);
} else if (mode == MODE_SSET) {
return do_sset(fd, &ifr);
} else if (mode == MODE_GREGS) {
return do_gregs(fd, &ifr);
} else if (mode == MODE_NWAY_RST) {
return do_nway_rst(fd, &ifr);
} else if (mode == MODE_GEEPROM) {
return do_geeprom(fd, &ifr);
} else if (mode == MODE_SEEPROM) {
return do_seeprom(fd, &ifr);
} else if (mode == MODE_TEST) {
return do_test(fd, &ifr);
} else if (mode == MODE_PHYS_ID) {
return do_phys_id(fd, &ifr);
} else if (mode == MODE_GPAUSE) {
return do_gpause(fd, &ifr);
} else if (mode == MODE_SPAUSE) {
return do_spause(fd, &ifr);
} else if (mode == MODE_GCOALESCE) {
return do_gcoalesce(fd, &ifr);
} else if (mode == MODE_SCOALESCE) {
return do_scoalesce(fd, &ifr);
} else if (mode == MODE_GRING) {
return do_gring(fd, &ifr);
} else if (mode == MODE_SRING) {
return do_sring(fd, &ifr);
} else if (mode == MODE_GOFFLOAD) {
return do_goffload(fd, &ifr);
} else if (mode == MODE_SOFFLOAD) {
return do_soffload(fd, &ifr);
} else if (mode == MODE_GSTATS) {
return do_gstats(fd, &ifr);
}
return 69;
}
