libs/iwinfo: add *_get_freqlist()

diff --git a/libs/iwinfo/src/iwinfo.h b/libs/iwinfo/src/iwinfo.h
index eebe6b4..f15e383 100644 (file)
--- a/libs/iwinfo/src/iwinfo.h
+++ b/libs/iwinfo/src/iwinfo.h
@@ -36,6 +36,11 @@ struct iwinfo_txpwrlist_entry {
        uint8_t mw;
 };
 
+struct iwinfo_freqlist_entry {
+       uint8_t channel;
+       uint32_t mhz;
+};
+
 struct iwinfo_crypto_entry {
        uint8_t enabled;
        uint8_t wpa_version;

diff --git a/libs/iwinfo/src/iwinfo_lualib.c b/libs/iwinfo/src/iwinfo_lualib.c
index 8eb4ad5..61ad5d3 100644 (file)
--- a/libs/iwinfo/src/iwinfo_lualib.c
+++ b/libs/iwinfo/src/iwinfo_lualib.c
@@ -210,6 +210,39 @@ static int iwinfo_L_scanlist(lua_State *L, int (*func)(const char *, char *, int
        return 1;
 }
 
+/* Wrapper for frequency list */
+static int iwinfo_L_freqlist(lua_State *L, int (*func)(const char *, char *, int *))
+{
+       int i, x, len;
+       char rv[IWINFO_BUFSIZE];
+       const char *ifname = luaL_checkstring(L, 1);
+       struct iwinfo_freqlist_entry *e;
+
+       lua_newtable(L);
+       memset(rv, 0, sizeof(rv));
+
+       if( !(*func)(ifname, rv, &len) )
+       {
+               for( i = 0, x = 1; i < len; i += sizeof(struct iwinfo_freqlist_entry), x++ )
+               {
+                       e = (struct iwinfo_freqlist_entry *) &rv[i];
+
+                       lua_newtable(L);
+
+                       /* MHz */
+                       lua_pushinteger(L, e->mhz);
+                       lua_setfield(L, -2, "mhz");
+
+                       /* Channel */
+                       lua_pushinteger(L, e->channel);
+                       lua_setfield(L, -2, "channel");
+
+                       lua_rawseti(L, -2, x);
+               }
+       }
+
+       return 1;
+}
 
 /* Broadcom */
 LUA_WRAP_INT(wl,channel)
@@ -227,6 +260,7 @@ LUA_WRAP_STRING(wl,enctype)
 LUA_WRAP_LIST(wl,assoclist)
 LUA_WRAP_LIST(wl,txpwrlist)
 LUA_WRAP_LIST(wl,scanlist)
+LUA_WRAP_LIST(wl,freqlist)
 
 /* Madwifi */
 LUA_WRAP_INT(madwifi,channel)
@@ -244,6 +278,7 @@ LUA_WRAP_STRING(madwifi,enctype)
 LUA_WRAP_LIST(madwifi,assoclist)
 LUA_WRAP_LIST(madwifi,txpwrlist)
 LUA_WRAP_LIST(madwifi,scanlist)
+LUA_WRAP_LIST(madwifi,freqlist)
 
 /* Wext */
 LUA_WRAP_INT(wext,channel)
@@ -261,6 +296,7 @@ LUA_WRAP_STRING(wext,enctype)
 LUA_WRAP_LIST(wext,assoclist)
 LUA_WRAP_LIST(wext,txpwrlist)
 LUA_WRAP_LIST(wext,scanlist)
+LUA_WRAP_LIST(wext,freqlist)
 
 /* Broadcom table */
 static const luaL_reg R_wl[] = {
@@ -278,6 +314,7 @@ static const luaL_reg R_wl[] = {
        LUA_REG(wl,assoclist),
        LUA_REG(wl,txpwrlist),
        LUA_REG(wl,scanlist),
+       LUA_REG(wl,freqlist),
        LUA_REG(wl,mbssid_support),
        { NULL, NULL }
 };
@@ -298,6 +335,7 @@ static const luaL_reg R_madwifi[] = {
        LUA_REG(madwifi,assoclist),
        LUA_REG(madwifi,txpwrlist),
        LUA_REG(madwifi,scanlist),
+       LUA_REG(madwifi,freqlist),
        LUA_REG(madwifi,mbssid_support),
        { NULL, NULL }
 };
@@ -318,6 +356,7 @@ static const luaL_reg R_wext[] = {
        LUA_REG(wext,assoclist),
        LUA_REG(wext,txpwrlist),
        LUA_REG(wext,scanlist),
+       LUA_REG(wext,freqlist),
        LUA_REG(wext,mbssid_support),
        { NULL, NULL }
 };

diff --git a/libs/iwinfo/src/iwinfo_madwifi.c b/libs/iwinfo/src/iwinfo_madwifi.c
index 1fe777f..99c02dc 100644 (file)
--- a/libs/iwinfo/src/iwinfo_madwifi.c
+++ b/libs/iwinfo/src/iwinfo_madwifi.c
@@ -494,6 +494,32 @@ int madwifi_get_scanlist(const char *ifname, char *buf, int *len)
        return ret;
 }
 
+int madwifi_get_freqlist(const char *ifname, char *buf, int *len)
+{
+       int i, bl;
+       struct ieee80211req_chaninfo chans;
+       struct iwinfo_freqlist_entry entry;
+
+       if( get80211priv(ifname, IEEE80211_IOCTL_GETCHANINFO, &chans, sizeof(chans)) >= 0 )
+       {
+               bl = 0;
+
+               for( i = 0; i < chans.ic_nchans; i++ )
+               {
+                       entry.mhz     = (int)(chans.ic_chans[i].ic_freq / 1000);
+                       entry.channel = chans.ic_chans[i].ic_ieee;
+
+                       memcpy(&buf[bl], &entry, sizeof(struct iwinfo_freqlist_entry));
+                       bl += sizeof(struct iwinfo_freqlist_entry);
+               }
+
+               *len = bl;
+               return 0;
+       }
+
+       return -1;
+}
+
 int madwifi_get_mbssid_support(const char *ifname, int *buf)
 {
        /* We assume that multi bssid is always possible */

diff --git a/libs/iwinfo/src/iwinfo_madwifi.h b/libs/iwinfo/src/iwinfo_madwifi.h
index 9c5b7fa..18511c8 100644 (file)
--- a/libs/iwinfo/src/iwinfo_madwifi.h
+++ b/libs/iwinfo/src/iwinfo_madwifi.h
@@ -37,6 +37,7 @@ int madwifi_get_enctype(const char *ifname, char *buf);
 int madwifi_get_assoclist(const char *ifname, char *buf, int *len);
 int madwifi_get_txpwrlist(const char *ifname, char *buf, int *len);
 int madwifi_get_scanlist(const char *ifname, char *buf, int *len);
+int madwifi_get_freqlist(const char *ifname, char *buf, int *len);
 int madwifi_get_mbssid_support(const char *ifname, int *buf);
 
 #endif

diff --git a/libs/iwinfo/src/iwinfo_wext.c b/libs/iwinfo/src/iwinfo_wext.c
index 387cb13..eebaea6 100644 (file)
--- a/libs/iwinfo/src/iwinfo_wext.c
+++ b/libs/iwinfo/src/iwinfo_wext.c
@@ -394,6 +394,37 @@ int wext_get_txpwrlist(const char *ifname, char *buf, int *len)
        return -1;      
 }
 
+int wext_get_freqlist(const char *ifname, char *buf, int *len)
+{
+       struct iwreq wrq;
+       struct iw_range range;
+       struct iwinfo_freqlist_entry entry;
+       int i, bl;
+
+       wrq.u.data.pointer = (caddr_t) ⦥
+       wrq.u.data.length  = sizeof(struct iw_range);
+       wrq.u.data.flags   = 0;
+
+       if(wext_ioctl(ifname, SIOCGIWRANGE, &wrq) >= 0)
+       {
+               bl = 0;
+
+               for(i = 0; i < range.num_frequency; i++)
+               {
+                       entry.mhz     = wext_freq2mhz(&range.freq[i]);
+                       entry.channel = range.freq[i].i;
+
+                       memcpy(&buf[bl], &entry, sizeof(struct iwinfo_freqlist_entry));
+                       bl += sizeof(struct iwinfo_freqlist_entry);
+               }
+
+               *len = bl;
+               return 0;
+       }
+
+       return -1;
+}
+
 int wext_get_mbssid_support(const char *ifname, int *buf)
 {
        /* No multi bssid support atm */

diff --git a/libs/iwinfo/src/iwinfo_wext.h b/libs/iwinfo/src/iwinfo_wext.h
index dd1922f..7861fdc 100644 (file)
--- a/libs/iwinfo/src/iwinfo_wext.h
+++ b/libs/iwinfo/src/iwinfo_wext.h
@@ -38,6 +38,7 @@ int wext_get_enctype(const char *ifname, char *buf);
 int wext_get_assoclist(const char *ifname, char *buf, int *len);
 int wext_get_txpwrlist(const char *ifname, char *buf, int *len);
 int wext_get_scanlist(const char *ifname, char *buf, int *len);
+int wext_get_freqlist(const char *ifname, char *buf, int *len);
 int wext_get_mbssid_support(const char *ifname, int *buf);
 
 #endif

diff --git a/libs/iwinfo/src/iwinfo_wl.c b/libs/iwinfo/src/iwinfo_wl.c
index 8519dbc..f8ee4f3 100644 (file)
--- a/libs/iwinfo/src/iwinfo_wl.c
+++ b/libs/iwinfo/src/iwinfo_wl.c
@@ -389,6 +389,11 @@ int wl_get_scanlist(const char *ifname, char *buf, int *len)
        return wext_get_scanlist(ifname, buf, len);
 }
 
+int wl_get_freqlist(const char *ifname, char *buf, int *len)
+{
+       return wext_get_freqlist(ifname, buf, len);
+}
+
 int wl_get_mbssid_support(const char *ifname, int *buf)
 {
        wlc_rev_info_t revinfo;

diff --git a/libs/iwinfo/src/iwinfo_wl.h b/libs/iwinfo/src/iwinfo_wl.h
index 31832d9..2892715 100644 (file)
--- a/libs/iwinfo/src/iwinfo_wl.h
+++ b/libs/iwinfo/src/iwinfo_wl.h
@@ -37,6 +37,7 @@ int wl_get_enctype(const char *ifname, char *buf);
 int wl_get_assoclist(const char *ifname, char *buf, int *len);
 int wl_get_txpwrlist(const char *ifname, char *buf, int *len);
 int wl_get_scanlist(const char *ifname, char *buf, int *len);
+int wl_get_freqlist(const char *ifname, char *buf, int *len);
 int wl_get_mbssid_support(const char *ifname, int *buf);
 
 #endif