int sys_read_uint(char *dir_name, char *file_name, unsigned *u)
{
char buf[32];
int r;
if ((r = sys_read_string(dir_name, file_name, buf, sizeof(buf))) < 0)
return r;
*u = strtoul(buf, 0, 0);
return 0;
}
int sys_read_uint64(const char *dir_name, const char *file_name, uint64_t * u)
{
char buf[32];
int r;
if ((r = sys_read_string(dir_name, file_name, buf, sizeof(buf))) < 0)
return r;
*u = strtoull(buf, NULL, 0);
return 0;
}
int sys_read_gid(char *dir_name, char *file_name, uint8_t * gid)
{
char buf[64], *str, *s;
uint16_t *ugid = (uint16_t *) gid;
int r, i;
if ((r = sys_read_string(dir_name, file_name, buf, sizeof(buf))) < 0)
return r;
for (s = buf, i = 0; i < 8; i++) {
if (!(str = strsep(&s, ": \t\n")))
return -EINVAL;
ugid[i] = htons(strtoul(str, 0, 16) & 0xffff);
}
return 0;
}
int sys_read_gid(const char *dir_name, const char *file_name,
union umad_gid *gid)
{
char buf[64], *str, *s;
__be16 *ugid = (__be16 *) gid;
int r, i;
if ((r = sys_read_string(dir_name, file_name, buf, sizeof(buf))) < 0)
return r;
for (s = buf, i = 0; i < 8; i++) {
if (!(str = strsep(&s, ": \t\n")))
return -EINVAL;
ugid[i] = htobe16(strtoul(str, NULL, 16) & 0xffff);
}
return 0;
}
int sys_read_guid(char *dir_name, char *file_name, uint64_t * net_guid)
{
char buf[32], *str, *s;
uint64_t guid;
int r, i;
if ((r = sys_read_string(dir_name, file_name, buf, sizeof(buf))) < 0)
return r;
guid = 0;
for (s = buf, i = 0; i < 4; i++) {
if (!(str = strsep(&s, ": \t\n")))
return -EINVAL;
guid = (guid << 16) | (strtoul(str, 0, 16) & 0xffff);
}
*net_guid = htonll(guid);
return 0;
}
static int is_fdr10(umad_port_t *port)
{
char port_dir[256];
char rate[32];
int len, fdr10 = 0;
char *p;
len = snprintf(port_dir, sizeof(port_dir), "%s/%s/%s/%d",
SYS_INFINIBAND, port->ca_name, SYS_CA_PORTS_DIR,
port->portnum);
if (len < 0 || len > sizeof(port_dir))
goto done;
if (sys_read_string(port_dir, SYS_PORT_RATE, rate, sizeof(rate)) == 0) {
if ((p = strchr(rate, ')'))) {
if (!strncasecmp(p - 5, "fdr10", 5))
fdr10 = 1;
}
}
done:
return fdr10;
}