#define LNET_NIDSTR_COUNT 1024 /* # of nidstrings */
#define LNET_NIDSTR_SIZE 32 /* size of each one (see below for usage) */
-int libcfs_isknown_lnd(int type);
-char *libcfs_lnd2modname(int type);
-char *libcfs_lnd2str(int type);
+/* support decl needed by both kernel and user space */
+char *libcfs_next_nidstring(void);
+int libcfs_isknown_lnd(__u32 lnd);
+char *libcfs_lnd2modname(__u32 lnd);
+char *libcfs_lnd2str_r(__u32 lnd, char *buf, size_t buf_size);
+static inline char *libcfs_lnd2str(__u32 lnd)
+{
+ return libcfs_lnd2str_r(lnd, libcfs_next_nidstring(),
+ LNET_NIDSTR_SIZE);
+}
int libcfs_str2lnd(const char *str);
-char *libcfs_net2str(__u32 net);
-char *libcfs_nid2str(lnet_nid_t nid);
+char *libcfs_net2str_r(__u32 net, char *buf, size_t buf_size);
+static inline char *libcfs_net2str(__u32 net)
+{
+ return libcfs_net2str_r(net, libcfs_next_nidstring(),
+ LNET_NIDSTR_SIZE);
+}
+char *libcfs_nid2str_r(lnet_nid_t nid, char *buf, size_t buf_size);
+static inline char *libcfs_nid2str(lnet_nid_t nid)
+{
+ return libcfs_nid2str_r(nid, libcfs_next_nidstring(),
+ LNET_NIDSTR_SIZE);
+}
__u32 libcfs_str2net(const char *str);
lnet_nid_t libcfs_str2nid(const char *str);
int libcfs_str2anynid(lnet_nid_t *nid, const char *str);
char *max_nid, size_t nidstr_length);
struct netstrfns {
- int nf_type;
+ __u32 nf_type;
char *nf_name;
char *nf_modname;
- void (*nf_addr2str)(__u32 addr, char *str);
+ void (*nf_addr2str)(__u32 addr, char *str, size_t size);
int (*nf_str2addr)(const char *str, int nob, __u32 *addr);
int (*nf_parse_addrlist)(char *str, int len,
struct list_head *list);
nf->nf_min_max(nidlist, &min_addr, &max_addr);
}
- nf->nf_addr2str(min_addr, min_addr_str);
- nf->nf_addr2str(max_addr, max_addr_str);
+ nf->nf_addr2str(min_addr, min_addr_str, sizeof(min_addr_str));
+ nf->nf_addr2str(max_addr, max_addr_str, sizeof(max_addr_str));
snprintf(min_nid, nidstr_length, "%s@%s%d", min_addr_str, lndname,
netnum);
}
static void
-libcfs_ip_addr2str(__u32 addr, char *str)
+libcfs_ip_addr2str(__u32 addr, char *str, size_t size)
{
- snprintf(str, LNET_NIDSTR_SIZE, "%u.%u.%u.%u",
+ snprintf(str, size, "%u.%u.%u.%u",
(addr >> 24) & 0xff, (addr >> 16) & 0xff,
(addr >> 8) & 0xff, addr & 0xff);
}
}
static void
-libcfs_decnum_addr2str(__u32 addr, char *str)
+libcfs_decnum_addr2str(__u32 addr, char *str, size_t size)
{
- snprintf(str, LNET_NIDSTR_SIZE, "%u", addr);
+ snprintf(str, size, "%u", addr);
}
static void
-libcfs_hexnum_addr2str(__u32 addr, char *str)
+libcfs_hexnum_addr2str(__u32 addr, char *str, size_t size)
{
- snprintf(str, LNET_NIDSTR_SIZE, "0x%x", addr);
+ snprintf(str, size, "0x%x", addr);
}
static int
{/* .nf_type */ -1},
};
-static const int libcfs_nnetstrfns = ARRAY_SIZE(libcfs_netstrfns);
+static const size_t libcfs_nnetstrfns = ARRAY_SIZE(libcfs_netstrfns);
static struct netstrfns *
-libcfs_lnd2netstrfns(int lnd)
+libcfs_lnd2netstrfns(__u32 lnd)
{
- int i;
+ int i;
- if (lnd >= 0)
- for (i = 0; i < libcfs_nnetstrfns; i++)
- if (lnd == libcfs_netstrfns[i].nf_type)
- return &libcfs_netstrfns[i];
+ for (i = 0; i < libcfs_nnetstrfns; i++)
+ if (lnd == libcfs_netstrfns[i].nf_type)
+ return &libcfs_netstrfns[i];
return NULL;
}
libcfs_namenum2netstrfns(const char *name)
{
struct netstrfns *nf;
- int i;
+ int i;
for (i = 0; i < libcfs_nnetstrfns; i++) {
nf = &libcfs_netstrfns[i];
}
int
-libcfs_isknown_lnd(int type)
+libcfs_isknown_lnd(__u32 lnd)
{
- return libcfs_lnd2netstrfns(type) != NULL;
+ return libcfs_lnd2netstrfns(lnd) != NULL;
}
EXPORT_SYMBOL(libcfs_isknown_lnd);
char *
-libcfs_lnd2modname(int lnd)
+libcfs_lnd2modname(__u32 lnd)
{
struct netstrfns *nf = libcfs_lnd2netstrfns(lnd);
}
EXPORT_SYMBOL(libcfs_lnd2modname);
-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, "?%d?", lnd);
- return str;
-}
-EXPORT_SYMBOL(libcfs_lnd2str);
-
int
libcfs_str2lnd(const char *str)
{
EXPORT_SYMBOL(libcfs_str2lnd);
char *
-libcfs_net2str(__u32 net)
+libcfs_lnd2str_r(__u32 lnd, char *buf, size_t buf_size)
+{
+ struct netstrfns *nf;
+
+ nf = libcfs_lnd2netstrfns(lnd);
+ if (nf == NULL)
+ snprintf(buf, buf_size, "?%u?", lnd);
+ else
+ snprintf(buf, buf_size, "%s", nf->nf_name);
+
+ return buf;
+}
+EXPORT_SYMBOL(libcfs_lnd2str_r);
+
+char *
+libcfs_net2str_r(__u32 net, char *buf, size_t buf_size)
{
- int lnd = LNET_NETTYP(net);
- int num = LNET_NETNUM(net);
- struct netstrfns *nf = libcfs_lnd2netstrfns(lnd);
- char *str = libcfs_next_nidstring();
+ __u32 nnum = LNET_NETNUM(net);
+ __u32 lnd = LNET_NETTYP(net);
+ struct netstrfns *nf;
+ nf = libcfs_lnd2netstrfns(lnd);
if (nf == NULL)
- snprintf(str, LNET_NIDSTR_SIZE, "<%d:%d>", lnd, num);
- else if (num == 0)
- snprintf(str, LNET_NIDSTR_SIZE, "%s", nf->nf_name);
+ snprintf(buf, buf_size, "<%u:%u>", lnd, nnum);
+ else if (nnum == 0)
+ snprintf(buf, buf_size, "%s", nf->nf_name);
else
- snprintf(str, LNET_NIDSTR_SIZE, "%s%d", nf->nf_name, num);
+ snprintf(buf, buf_size, "%s%u", nf->nf_name, nnum);
- return str;
+ return buf;
}
-EXPORT_SYMBOL(libcfs_net2str);
+EXPORT_SYMBOL(libcfs_net2str_r);
char *
-libcfs_nid2str(lnet_nid_t nid)
+libcfs_nid2str_r(lnet_nid_t nid, char *buf, size_t buf_size)
{
- __u32 addr = LNET_NIDADDR(nid);
- __u32 net = LNET_NIDNET(nid);
- int lnd = LNET_NETTYP(net);
- int nnum = LNET_NETNUM(net);
+ __u32 addr = LNET_NIDADDR(nid);
+ __u32 net = LNET_NIDNET(nid);
+ __u32 nnum = LNET_NETNUM(net);
+ __u32 lnd = LNET_NETTYP(net);
struct netstrfns *nf;
- char *str;
- int nob;
- if (nid == LNET_NID_ANY)
- return "<?>";
+ if (nid == LNET_NID_ANY) {
+ strncpy(buf, "<?>", buf_size);
+ buf[buf_size - 1] = '\0';
+ return buf;
+ }
nf = libcfs_lnd2netstrfns(lnd);
- str = libcfs_next_nidstring();
-
if (nf == NULL)
- snprintf(str, LNET_NIDSTR_SIZE, "%x@<%d:%d>", addr, lnd, nnum);
+ snprintf(buf, buf_size, "%x@<%u:%u>", addr, lnd, nnum);
else {
- nf->nf_addr2str(addr, str);
- nob = strlen(str);
+ size_t addr_len;
+
+ nf->nf_addr2str(addr, buf, buf_size);
+ addr_len = strlen(buf);
if (nnum == 0)
- snprintf(str + nob, LNET_NIDSTR_SIZE - nob, "@%s",
+ snprintf(buf + addr_len, buf_size - addr_len, "@%s",
nf->nf_name);
else
- snprintf(str + nob, LNET_NIDSTR_SIZE - nob, "@%s%d",
+ snprintf(buf + addr_len, buf_size - addr_len, "@%s%u",
nf->nf_name, nnum);
}
- return str;
+ return buf;
}
-EXPORT_SYMBOL(libcfs_nid2str);
+EXPORT_SYMBOL(libcfs_nid2str_r);
static struct netstrfns *
libcfs_str2net_internal(const char *str, __u32 *net)
{
struct netstrfns *uninitialized_var(nf);
- int nob;
- unsigned int netnum;
- int i;
+ int nob;
+ unsigned int netnum;
+ int i;
for (i = 0; i < libcfs_nnetstrfns; i++) {
nf = &libcfs_netstrfns[i];
lnet_nid_t
libcfs_str2nid(const char *str)
{
- const char *sep = strchr(str, '@');
+ const char *sep = strchr(str, '@');
struct netstrfns *nf;
- __u32 net;
- __u32 addr;
+ __u32 net;
+ __u32 addr;
if (sep != NULL) {
nf = libcfs_str2net_internal(sep + 1, &net);
projects / firefly-linux-kernel-4.4.55.git / commitdiff