iwinfo: move nl80211_ops to iwinfo_nl80211.c, make functions static

[openwrt.git] / package / network / utils / iwinfo / src / iwinfo_nl80211.c

diff --git a/package/network/utils/iwinfo/src/iwinfo_nl80211.c b/package/network/utils/iwinfo/src/iwinfo_nl80211.c
index 17d9551..4d0444a 100644 (file)
--- a/package/network/utils/iwinfo/src/iwinfo_nl80211.c
+++ b/package/network/utils/iwinfo/src/iwinfo_nl80211.c
@@ -22,12 +22,33 @@
  * Parts of this code are derived from the Linux iw utility.
  */
 
  * Parts of this code are derived from the Linux iw utility.
  */
 

-#include "iwinfo/nl80211.h"
+#include "iwinfo_nl80211.h"

 
 #define min(x, y) ((x) < (y)) ? (x) : (y)
 
 static struct nl80211_state *nls = NULL;
 
 
 #define min(x, y) ((x) < (y)) ? (x) : (y)
 
 static struct nl80211_state *nls = NULL;
 

+static void nl80211_close(void)
+{
+       if (nls)
+       {
+               if (nls->nlctrl)
+                       genl_family_put(nls->nlctrl);
+
+               if (nls->nl80211)
+                       genl_family_put(nls->nl80211);
+
+               if (nls->nl_sock)
+                       nl_socket_free(nls->nl_sock);
+
+               if (nls->nl_cache)
+                       nl_cache_free(nls->nl_cache);
+
+               free(nls);
+               nls = NULL;
+       }
+}
+

 static int nl80211_init(void)
 {
        int err, fd;
 static int nl80211_init(void)
 {
        int err, fd;


@@ -85,6 +106,23 @@ err:
        return err;
 }
 
        return err;
 }
 

+static int nl80211_readint(const char *path)
+{
+       int fd;
+       int rv = -1;
+       char buffer[16];
+
+       if ((fd = open(path, O_RDONLY)) > -1)
+       {
+               if (read(fd, buffer, sizeof(buffer)) > 0)
+                       rv = atoi(buffer);
+
+               close(fd);
+       }
+
+       return rv;
+}
+

 
 static int nl80211_msg_error(struct sockaddr_nl *nla,
        struct nlmsgerr *err, void *arg)
 
 static int nl80211_msg_error(struct sockaddr_nl *nla,
        struct nlmsgerr *err, void *arg)


@@ -452,6 +490,96 @@ static char * nl80211_ifname2phy(const char *ifname)
        return phy[0] ? phy : NULL;
 }
 
        return phy[0] ? phy : NULL;
 }
 

+static char * nl80211_phy2ifname(const char *ifname)
+{
+       int fd, ifidx = -1, cifidx = -1, phyidx = -1;
+       char buffer[64];
+       static char nif[IFNAMSIZ] = { 0 };
+
+       DIR *d;
+       struct dirent *e;
+
+       if (!ifname)
+               return NULL;
+       else if (!strncmp(ifname, "phy", 3))
+               phyidx = atoi(&ifname[3]);
+       else if (!strncmp(ifname, "radio", 5))
+               phyidx = atoi(&ifname[5]);
+
+       memset(nif, 0, sizeof(nif));
+
+       if (phyidx > -1)
+       {
+               if ((d = opendir("/sys/class/net")) != NULL)
+               {
+                       while ((e = readdir(d)) != NULL)
+                       {
+                               snprintf(buffer, sizeof(buffer),
+                                        "/sys/class/net/%s/phy80211/index", e->d_name);
+
+                               if (nl80211_readint(buffer) == phyidx)
+                               {
+                                       snprintf(buffer, sizeof(buffer),
+                                                "/sys/class/net/%s/ifindex", e->d_name);
+
+                                       if ((cifidx = nl80211_readint(buffer)) >= 0 &&
+                                           ((ifidx < 0) || (cifidx < ifidx)))
+                                       {
+                                               ifidx = cifidx;
+                                               strncpy(nif, e->d_name, sizeof(nif));
+                                       }
+                               }
+                       }
+
+                       closedir(d);
+               }
+       }
+
+       return nif[0] ? nif : NULL;
+}
+
+static int nl80211_get_mode_cb(struct nl_msg *msg, void *arg)
+{
+       int *mode = arg;
+       struct nlattr **tb = nl80211_parse(msg);
+       const int ifmodes[NL80211_IFTYPE_MAX + 1] = {
+               IWINFO_OPMODE_UNKNOWN,          /* unspecified */
+               IWINFO_OPMODE_ADHOC,            /* IBSS */
+               IWINFO_OPMODE_CLIENT,           /* managed */
+               IWINFO_OPMODE_MASTER,           /* AP */
+               IWINFO_OPMODE_AP_VLAN,          /* AP/VLAN */
+               IWINFO_OPMODE_WDS,                      /* WDS */
+               IWINFO_OPMODE_MONITOR,          /* monitor */
+               IWINFO_OPMODE_MESHPOINT,        /* mesh point */
+               IWINFO_OPMODE_P2P_CLIENT,       /* P2P-client */
+               IWINFO_OPMODE_P2P_GO,           /* P2P-GO */
+       };
+
+       if (tb[NL80211_ATTR_IFTYPE])
+               *mode = ifmodes[nla_get_u32(tb[NL80211_ATTR_IFTYPE])];
+
+       return NL_SKIP;
+}
+
+
+static int nl80211_get_mode(const char *ifname, int *buf)
+{
+       char *res;
+       struct nl80211_msg_conveyor *req;
+
+       res = nl80211_phy2ifname(ifname);
+       req = nl80211_msg(res ? res : ifname, NL80211_CMD_GET_INTERFACE, 0);
+       *buf = IWINFO_OPMODE_UNKNOWN;
+
+       if (req)
+       {
+               nl80211_send(req, nl80211_get_mode_cb, buf);
+               nl80211_free(req);
+       }
+
+       return (*buf == IWINFO_OPMODE_UNKNOWN) ? -1 : 0;
+}
+

 static char * nl80211_hostapd_info(const char *ifname)
 {
        int mode;
 static char * nl80211_hostapd_info(const char *ifname)
 {
        int mode;


@@ -589,71 +717,6 @@ out:
        return rv;
 }
 
        return rv;
 }
 

-static inline int nl80211_readint(const char *path)
-{
-       int fd;
-       int rv = -1;
-       char buffer[16];
-
-       if ((fd = open(path, O_RDONLY)) > -1)
-       {
-               if (read(fd, buffer, sizeof(buffer)) > 0)
-                       rv = atoi(buffer);
-
-               close(fd);
-       }
-
-       return rv;
-}
-
-static char * nl80211_phy2ifname(const char *ifname)
-{
-       int fd, ifidx = -1, cifidx = -1, phyidx = -1;
-       char buffer[64];
-       static char nif[IFNAMSIZ] = { 0 };
-
-       DIR *d;
-       struct dirent *e;
-
-       if (!ifname)
-               return NULL;
-       else if (!strncmp(ifname, "phy", 3))
-               phyidx = atoi(&ifname[3]);
-       else if (!strncmp(ifname, "radio", 5))
-               phyidx = atoi(&ifname[5]);
-
-       memset(nif, 0, sizeof(nif));
-
-       if (phyidx > -1)
-       {
-               if ((d = opendir("/sys/class/net")) != NULL)
-               {
-                       while ((e = readdir(d)) != NULL)
-                       {
-                               snprintf(buffer, sizeof(buffer),
-                                        "/sys/class/net/%s/phy80211/index", e->d_name);
-
-                               if (nl80211_readint(buffer) == phyidx)
-                               {
-                                       snprintf(buffer, sizeof(buffer),
-                                                "/sys/class/net/%s/ifindex", e->d_name);
-
-                                       if ((cifidx = nl80211_readint(buffer)) >= 0 &&
-                                           ((ifidx < 0) || (cifidx < ifidx)))
-                                       {
-                                               ifidx = cifidx;
-                                               strncpy(nif, e->d_name, sizeof(nif));
-                                       }
-                               }
-                       }
-
-                       closedir(d);
-               }
-       }
-
-       return nif[0] ? nif : NULL;
-}
-

 static char * nl80211_ifadd(const char *ifname)
 {
        int phyidx;
 static char * nl80211_ifadd(const char *ifname)
 {
        int phyidx;


@@ -719,75 +782,11 @@ static void nl80211_hostapd_hup(const char *ifname)
 }
 
 
 }
 
 

-int nl80211_probe(const char *ifname)
+static int nl80211_probe(const char *ifname)

 {
        return !!nl80211_ifname2phy(ifname);
 }
 
 {
        return !!nl80211_ifname2phy(ifname);
 }
 

-void nl80211_close(void)
-{
-       if (nls)
-       {
-               if (nls->nlctrl)
-                       genl_family_put(nls->nlctrl);
-
-               if (nls->nl80211)
-                       genl_family_put(nls->nl80211);
-
-               if (nls->nl_sock)
-                       nl_socket_free(nls->nl_sock);
-
-               if (nls->nl_cache)
-                       nl_cache_free(nls->nl_cache);
-
-               free(nls);
-               nls = NULL;
-       }
-}
-
-
-static int nl80211_get_mode_cb(struct nl_msg *msg, void *arg)
-{
-       int *mode = arg;
-       struct nlattr **tb = nl80211_parse(msg);
-       const int ifmodes[NL80211_IFTYPE_MAX + 1] = {
-               IWINFO_OPMODE_UNKNOWN,          /* unspecified */
-               IWINFO_OPMODE_ADHOC,            /* IBSS */
-               IWINFO_OPMODE_CLIENT,           /* managed */
-               IWINFO_OPMODE_MASTER,           /* AP */
-               IWINFO_OPMODE_AP_VLAN,          /* AP/VLAN */
-               IWINFO_OPMODE_WDS,                      /* WDS */
-               IWINFO_OPMODE_MONITOR,          /* monitor */
-               IWINFO_OPMODE_MESHPOINT,        /* mesh point */
-               IWINFO_OPMODE_P2P_CLIENT,       /* P2P-client */
-               IWINFO_OPMODE_P2P_GO,           /* P2P-GO */
-       };
-
-       if (tb[NL80211_ATTR_IFTYPE])
-               *mode = ifmodes[nla_get_u32(tb[NL80211_ATTR_IFTYPE])];
-
-       return NL_SKIP;
-}
-
-int nl80211_get_mode(const char *ifname, int *buf)
-{
-       char *res;
-       struct nl80211_msg_conveyor *req;
-
-       res = nl80211_phy2ifname(ifname);
-       req = nl80211_msg(res ? res : ifname, NL80211_CMD_GET_INTERFACE, 0);
-       *buf = IWINFO_OPMODE_UNKNOWN;
-
-       if (req)
-       {
-               nl80211_send(req, nl80211_get_mode_cb, buf);
-               nl80211_free(req);
-       }
-
-       return (*buf == IWINFO_OPMODE_UNKNOWN) ? -1 : 0;
-}
-
-

 struct nl80211_ssid_bssid {
        unsigned char *ssid;
        unsigned char bssid[7];
 struct nl80211_ssid_bssid {
        unsigned char *ssid;
        unsigned char bssid[7];


@@ -851,7 +850,7 @@ static int nl80211_get_ssid_bssid_cb(struct nl_msg *msg, void *arg)
        }
 }
 
        }
 }
 

-int nl80211_get_ssid(const char *ifname, char *buf)
+static int nl80211_get_ssid(const char *ifname, char *buf)

 {
        char *res;
        struct nl80211_msg_conveyor *req;
 {
        char *res;
        struct nl80211_msg_conveyor *req;


@@ -881,7 +880,7 @@ int nl80211_get_ssid(const char *ifname, char *buf)
        return (*buf == 0) ? -1 : 0;
 }
 
        return (*buf == 0) ? -1 : 0;
 }
 

-int nl80211_get_bssid(const char *ifname, char *buf)
+static int nl80211_get_bssid(const char *ifname, char *buf)

 {
        char *res;
        struct nl80211_msg_conveyor *req;
 {
        char *res;
        struct nl80211_msg_conveyor *req;


@@ -960,7 +959,7 @@ static int nl80211_get_frequency_info_cb(struct nl_msg *msg, void *arg)
        return NL_SKIP;
 }
 
        return NL_SKIP;
 }
 

-int nl80211_get_frequency(const char *ifname, int *buf)
+static int nl80211_get_frequency(const char *ifname, int *buf)

 {
        int chn;
        char *res, *channel;
 {
        int chn;
        char *res, *channel;


@@ -1005,7 +1004,7 @@ int nl80211_get_frequency(const char *ifname, int *buf)
        return (*buf == 0) ? -1 : 0;
 }
 
        return (*buf == 0) ? -1 : 0;
 }
 

-int nl80211_get_channel(const char *ifname, int *buf)
+static int nl80211_get_channel(const char *ifname, int *buf)

 {
        if (!nl80211_get_frequency(ifname, buf))
        {
 {
        if (!nl80211_get_frequency(ifname, buf))
        {


@@ -1017,7 +1016,7 @@ int nl80211_get_channel(const char *ifname, int *buf)
 }
 
 
 }
 
 

-int nl80211_get_txpower(const char *ifname, int *buf)
+static int nl80211_get_txpower(const char *ifname, int *buf)

 {
 #if 0
        char *res;
 {
 #if 0
        char *res;


@@ -1127,7 +1126,7 @@ static void nl80211_fill_signal(const char *ifname, struct nl80211_rssi_rate *r)
        }
 }
 
        }
 }
 

-int nl80211_get_bitrate(const char *ifname, int *buf)
+static int nl80211_get_bitrate(const char *ifname, int *buf)

 {
        struct nl80211_rssi_rate rr;
 
 {
        struct nl80211_rssi_rate rr;
 


@@ -1142,7 +1141,7 @@ int nl80211_get_bitrate(const char *ifname, int *buf)
        return -1;
 }
 
        return -1;
 }
 

-int nl80211_get_signal(const char *ifname, int *buf)
+static int nl80211_get_signal(const char *ifname, int *buf)

 {
        struct nl80211_rssi_rate rr;
 
 {
        struct nl80211_rssi_rate rr;
 


@@ -1185,7 +1184,7 @@ static int nl80211_get_noise_cb(struct nl_msg *msg, void *arg)
 }
 
 
 }
 
 

-int nl80211_get_noise(const char *ifname, int *buf)
+static int nl80211_get_noise(const char *ifname, int *buf)

 {
        int8_t noise;
        struct nl80211_msg_conveyor *req;
 {
        int8_t noise;
        struct nl80211_msg_conveyor *req;


@@ -1208,7 +1207,7 @@ int nl80211_get_noise(const char *ifname, int *buf)
        return -1;
 }
 
        return -1;
 }
 

-int nl80211_get_quality(const char *ifname, int *buf)
+static int nl80211_get_quality(const char *ifname, int *buf)

 {
        int signal;
 
 {
        int signal;
 


@@ -1240,7 +1239,7 @@ int nl80211_get_quality(const char *ifname, int *buf)
        return -1;
 }
 
        return -1;
 }
 

-int nl80211_get_quality_max(const char *ifname, int *buf)
+static int nl80211_get_quality_max(const char *ifname, int *buf)

 {
        /* The cfg80211 wext compat layer assumes a maximum
         * quality of 70 */
 {
        /* The cfg80211 wext compat layer assumes a maximum
         * quality of 70 */


@@ -1249,7 +1248,7 @@ int nl80211_get_quality_max(const char *ifname, int *buf)
        return 0;
 }
 
        return 0;
 }
 

-int nl80211_get_encryption(const char *ifname, char *buf)
+static int nl80211_get_encryption(const char *ifname, char *buf)

 {
        int i;
        char k[9];
 {
        int i;
        char k[9];


@@ -1412,7 +1411,7 @@ int nl80211_get_encryption(const char *ifname, char *buf)
        return -1;
 }
 
        return -1;
 }
 

-int nl80211_get_phyname(const char *ifname, char *buf)
+static int nl80211_get_phyname(const char *ifname, char *buf)

 {
        const char *name;
 
 {
        const char *name;
 


@@ -1528,7 +1527,7 @@ static int nl80211_get_assoclist_cb(struct nl_msg *msg, void *arg)
        return NL_SKIP;
 }
 
        return NL_SKIP;
 }
 

-int nl80211_get_assoclist(const char *ifname, char *buf, int *len)
+static int nl80211_get_assoclist(const char *ifname, char *buf, int *len)

 {
        DIR *d;
        int i, noise = 0;
 {
        DIR *d;
        int i, noise = 0;


@@ -1618,7 +1617,7 @@ static int nl80211_get_txpwrlist_cb(struct nl_msg *msg, void *arg)
        return NL_SKIP;
 }
 
        return NL_SKIP;
 }
 

-int nl80211_get_txpwrlist(const char *ifname, char *buf, int *len)
+static int nl80211_get_txpwrlist(const char *ifname, char *buf, int *len)

 {
        int ch_cur;
        int dbm_max = -1, dbm_cur, dbm_cnt;
 {
        int ch_cur;
        int dbm_max = -1, dbm_cur, dbm_cnt;


@@ -1861,7 +1860,7 @@ static int nl80211_get_scanlist_nl(const char *ifname, char *buf, int *len)
        return *len ? 0 : -1;
 }
 
        return *len ? 0 : -1;
 }
 

-int nl80211_get_scanlist(const char *ifname, char *buf, int *len)
+static int nl80211_get_scanlist(const char *ifname, char *buf, int *len)

 {
        int freq, rssi, qmax, count;
        char *res;
 {
        int freq, rssi, qmax, count;
        char *res;


@@ -2083,7 +2082,7 @@ static int nl80211_get_freqlist_cb(struct nl_msg *msg, void *arg)
        return NL_SKIP;
 }
 
        return NL_SKIP;
 }
 

-int nl80211_get_freqlist(const char *ifname, char *buf, int *len)
+static int nl80211_get_freqlist(const char *ifname, char *buf, int *len)

 {
        struct nl80211_msg_conveyor *req;
        struct nl80211_array_buf arr = { .buf = buf, .count = 0 };
 {
        struct nl80211_msg_conveyor *req;
        struct nl80211_array_buf arr = { .buf = buf, .count = 0 };


@@ -2117,7 +2116,7 @@ static int nl80211_get_country_cb(struct nl_msg *msg, void *arg)
        return NL_SKIP;
 }
 
        return NL_SKIP;
 }
 

-int nl80211_get_country(const char *ifname, char *buf)
+static int nl80211_get_country(const char *ifname, char *buf)

 {
        int rv = -1;
        struct nl80211_msg_conveyor *req;
 {
        int rv = -1;
        struct nl80211_msg_conveyor *req;


@@ -2135,7 +2134,7 @@ int nl80211_get_country(const char *ifname, char *buf)
        return rv;
 }
 
        return rv;
 }
 

-int nl80211_get_countrylist(const char *ifname, char *buf, int *len)
+static int nl80211_get_countrylist(const char *ifname, char *buf, int *len)

 {
        int i, count;
        struct iwinfo_country_entry *e = (struct iwinfo_country_entry *)buf;
 {
        int i, count;
        struct iwinfo_country_entry *e = (struct iwinfo_country_entry *)buf;


@@ -2203,7 +2202,7 @@ static int nl80211_get_hwmodelist_cb(struct nl_msg *msg, void *arg)
        return NL_SKIP;
 }
 
        return NL_SKIP;
 }
 

-int nl80211_get_hwmodelist(const char *ifname, int *buf)
+static int nl80211_get_hwmodelist(const char *ifname, int *buf)

 {
        struct nl80211_msg_conveyor *req;
 
 {
        struct nl80211_msg_conveyor *req;
 


@@ -2270,7 +2269,7 @@ static int nl80211_get_ifcomb_cb(struct nl_msg *msg, void *arg)
        return NL_SKIP;
 }
 
        return NL_SKIP;
 }
 

-int nl80211_get_mbssid_support(const char *ifname, int *buf)
+static int nl80211_get_mbssid_support(const char *ifname, int *buf)

 {
        struct nl80211_msg_conveyor *req;
 
 {
        struct nl80211_msg_conveyor *req;
 


@@ -2283,7 +2282,7 @@ int nl80211_get_mbssid_support(const char *ifname, int *buf)
        return 0;
 }
 
        return 0;
 }
 

-int nl80211_get_hardware_id(const char *ifname, char *buf)
+static int nl80211_get_hardware_id(const char *ifname, char *buf)

 {
        int rv;
        char *res;
 {
        int rv;
        char *res;


@@ -2329,7 +2328,7 @@ nl80211_get_hardware_entry(const char *ifname)
        return iwinfo_hardware(&id);
 }
 
        return iwinfo_hardware(&id);
 }
 

-int nl80211_get_hardware_name(const char *ifname, char *buf)
+static int nl80211_get_hardware_name(const char *ifname, char *buf)

 {
        const struct iwinfo_hardware_entry *hw;
 
 {
        const struct iwinfo_hardware_entry *hw;
 


@@ -2341,7 +2340,7 @@ int nl80211_get_hardware_name(const char *ifname, char *buf)
        return 0;
 }
 
        return 0;
 }
 

-int nl80211_get_txpower_offset(const char *ifname, int *buf)
+static int nl80211_get_txpower_offset(const char *ifname, int *buf)

 {
        const struct iwinfo_hardware_entry *hw;
 
 {
        const struct iwinfo_hardware_entry *hw;
 


@@ -2352,7 +2351,7 @@ int nl80211_get_txpower_offset(const char *ifname, int *buf)
        return 0;
 }
 
        return 0;
 }
 

-int nl80211_get_frequency_offset(const char *ifname, int *buf)
+static int nl80211_get_frequency_offset(const char *ifname, int *buf)

 {
        const struct iwinfo_hardware_entry *hw;
 
 {
        const struct iwinfo_hardware_entry *hw;
 


@@ -2362,3 +2361,34 @@ int nl80211_get_frequency_offset(const char *ifname, int *buf)
        *buf = hw->frequency_offset;
        return 0;
 }
        *buf = hw->frequency_offset;
        return 0;
 }

+
+const struct iwinfo_ops nl80211_ops = {
+       .name             = "nl80211",
+       .probe            = nl80211_probe,
+       .channel          = nl80211_get_channel,
+       .frequency        = nl80211_get_frequency,
+       .frequency_offset = nl80211_get_frequency_offset,
+       .txpower          = nl80211_get_txpower,
+       .txpower_offset   = nl80211_get_txpower_offset,
+       .bitrate          = nl80211_get_bitrate,
+       .signal           = nl80211_get_signal,
+       .noise            = nl80211_get_noise,
+       .quality          = nl80211_get_quality,
+       .quality_max      = nl80211_get_quality_max,
+       .mbssid_support   = nl80211_get_mbssid_support,
+       .hwmodelist       = nl80211_get_hwmodelist,
+       .mode             = nl80211_get_mode,
+       .ssid             = nl80211_get_ssid,
+       .bssid            = nl80211_get_bssid,
+       .country          = nl80211_get_country,
+       .hardware_id      = nl80211_get_hardware_id,
+       .hardware_name    = nl80211_get_hardware_name,
+       .encryption       = nl80211_get_encryption,
+       .phyname          = nl80211_get_phyname,
+       .assoclist        = nl80211_get_assoclist,
+       .txpwrlist        = nl80211_get_txpwrlist,
+       .scanlist         = nl80211_get_scanlist,
+       .freqlist         = nl80211_get_freqlist,
+       .countrylist      = nl80211_get_countrylist,
+       .close            = nl80211_close
+};