char *
libcfs_lnd2modname(int lnd)
{
struct netstrfns *nf = libcfs_lnd2netstrfns(lnd);
return (nf == NULL) ? NULL : nf->nf_modname;
}
char *
libcfs_nid2str(lnet_nid_t nid)
{
__u32 addr = LNET_NIDADDR(nid);
__u32 net = LNET_NIDNET(nid);
int lnd = LNET_NETTYP(net);
int nnum = LNET_NETNUM(net);
struct netstrfns *nf;
char *str;
int nob;
if (nid == LNET_NID_ANY)
return "<?>";
nf = libcfs_lnd2netstrfns(lnd);
str = libcfs_next_nidstring();
if (nf == NULL)
snprintf(str, LNET_NIDSTR_SIZE, "%x@<%u:%u>", addr, lnd, nnum);
else {
nf->nf_addr2str(addr, str);
nob = strlen(str);
if (nnum == 0)
snprintf(str + nob, LNET_NIDSTR_SIZE - nob, "@%s",
nf->nf_name);
else
snprintf(str + nob, LNET_NIDSTR_SIZE - nob, "@%s%u",
nf->nf_name, nnum);
}
return str;
}
char *
libcfs_lnd2str(int lnd)
{
char *str;
struct netstrfns *nf = libcfs_lnd2netstrfns(lnd);
if (nf != NULL)
return nf->nf_name;
str = libcfs_next_nidstring();
snprintf(str, LNET_NIDSTR_SIZE, "?%u?", lnd);
return str;
}
void
libcfs_net2str2(__u32 net, char str[LNET_NIDSTR_SIZE])
{
int lnd = LNET_NETTYP(net);
int num = LNET_NETNUM(net);
struct netstrfns *nf = libcfs_lnd2netstrfns(lnd);
if (nf == NULL)
snprintf(str, LNET_NIDSTR_SIZE, "<%u:%u>", lnd, num);
else if (num == 0)
snprintf(str, LNET_NIDSTR_SIZE, "%s", nf->nf_name);
else
snprintf(str, LNET_NIDSTR_SIZE, "%s%u", nf->nf_name, num);
}
char *
libcfs_net2str(__u32 net)
{
int lnd = LNET_NETTYP(net);
int num = LNET_NETNUM(net);
struct netstrfns *nf = libcfs_lnd2netstrfns(lnd);
char *str = libcfs_next_nidstring();
if (nf == NULL)
snprintf(str, LNET_NIDSTR_SIZE, "<%u:%u>", lnd, num);
else if (num == 0)
snprintf(str, LNET_NIDSTR_SIZE, "%s", nf->nf_name);
else
snprintf(str, LNET_NIDSTR_SIZE, "%s%u", nf->nf_name, num);
return str;
}
void
libcfs_setnet0alias(int lnd)
{
struct netstrfns *nf = libcfs_lnd2netstrfns(lnd);
struct netstrfns *nf0 = &libcfs_netstrfns[libcfs_nnetstrfns - 1];
/* Ghastly hack to allow LNET to inter-operate with portals.
* NET type 0 becomes an alias for whatever local network we have, and
* this assignment here means we can parse and print its NIDs */
LASSERT (nf != NULL);
LASSERT (nf0->nf_type < 0);
nf0->nf_name = "zero";//nf->nf_name;
nf0->nf_modname = nf->nf_modname;
nf0->nf_addr2str = nf->nf_addr2str;
nf0->nf_str2addr = nf->nf_str2addr;
mb();
nf0->nf_type = 0;
}
lnet_nid_t
libcfs_str2nid(const char *str)
{
const char *sep = strchr(str, '@');
struct netstrfns *nf;
__u32 net;
__u32 addr;
if (sep != NULL) {
nf = libcfs_str2net_internal(sep + 1, &net);
if (nf == NULL)
return LNET_NID_ANY;
} else {
sep = str + strlen(str);
net = LNET_MKNET(SOCKLND, 0);
nf = libcfs_lnd2netstrfns(SOCKLND);
LASSERT (nf != NULL);
}
if (!nf->nf_str2addr(str, (int)(sep - str), &addr))
return LNET_NID_ANY;
return LNET_MKNID(net, addr);
}
int
libcfs_isknown_lnd(int type)
{
return libcfs_lnd2netstrfns(type) != NULL;
}