aboutsummaryrefslogtreecommitdiffstats
path: root/package/iwinfo/src/iwinfo_wl.c
diff options
context:
space:
mode:
Diffstat (limited to 'package/iwinfo/src/iwinfo_wl.c')
-rw-r--r--package/iwinfo/src/iwinfo_wl.c645
1 files changed, 645 insertions, 0 deletions
diff --git a/package/iwinfo/src/iwinfo_wl.c b/package/iwinfo/src/iwinfo_wl.c
new file mode 100644
index 000000000..3d15fc9ca
--- /dev/null
+++ b/package/iwinfo/src/iwinfo_wl.c
@@ -0,0 +1,645 @@
+/*
+ * iwinfo - Wireless Information Library - Broadcom wl.o Backend
+ *
+ * Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org>
+ *
+ * The iwinfo library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * The iwinfo library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with the iwinfo library. If not, see http://www.gnu.org/licenses/.
+ *
+ * This code is based on the wlc.c utility published by OpenWrt.org .
+ */
+
+#include "iwinfo/wl.h"
+#include "iwinfo/wext.h"
+
+static int wl_ioctl(const char *name, int cmd, void *buf, int len)
+{
+ struct ifreq ifr;
+ wl_ioctl_t ioc;
+
+ /* do it */
+ ioc.cmd = cmd;
+ ioc.buf = buf;
+ ioc.len = len;
+
+ strncpy(ifr.ifr_name, name, IFNAMSIZ);
+ ifr.ifr_data = (caddr_t) &ioc;
+
+ return iwinfo_ioctl(SIOCDEVPRIVATE, &ifr);
+}
+
+static int wl_iovar(const char *name, const char *cmd, const char *arg,
+ int arglen, void *buf, int buflen)
+{
+ int cmdlen = strlen(cmd) + 1;
+
+ memcpy(buf, cmd, cmdlen);
+
+ if (arg && arglen > 0)
+ memcpy(buf + cmdlen, arg, arglen);
+
+ return wl_ioctl(name, WLC_GET_VAR, buf, buflen);
+}
+
+static struct wl_maclist * wl_read_assoclist(const char *ifname)
+{
+ struct wl_maclist *macs;
+ int maclen = 4 + WL_MAX_STA_COUNT * 6;
+
+ if ((macs = (struct wl_maclist *) malloc(maclen)) != NULL)
+ {
+ memset(macs, 0, maclen);
+ macs->count = WL_MAX_STA_COUNT;
+
+ if (!wl_ioctl(ifname, WLC_GET_ASSOCLIST, macs, maclen))
+ return macs;
+
+ free(macs);
+ }
+
+ return NULL;
+}
+
+
+int wl_probe(const char *ifname)
+{
+ int magic;
+ return (!wl_ioctl(ifname, WLC_GET_MAGIC, &magic, sizeof(magic)) &&
+ (magic == WLC_IOCTL_MAGIC));
+}
+
+void wl_close(void)
+{
+ /* Nop */
+}
+
+int wl_get_mode(const char *ifname, int *buf)
+{
+ int ret = -1;
+ int ap, infra, passive;
+
+ if ((ret = wl_ioctl(ifname, WLC_GET_AP, &ap, sizeof(ap))))
+ return ret;
+
+ if ((ret = wl_ioctl(ifname, WLC_GET_INFRA, &infra, sizeof(infra))))
+ return ret;
+
+ if ((ret = wl_ioctl(ifname, WLC_GET_PASSIVE, &passive, sizeof(passive))))
+ return ret;
+
+ if (passive)
+ *buf = IWINFO_OPMODE_MONITOR;
+ else if (!infra)
+ *buf = IWINFO_OPMODE_ADHOC;
+ else if (ap)
+ *buf = IWINFO_OPMODE_MASTER;
+ else
+ *buf = IWINFO_OPMODE_CLIENT;
+
+ return 0;
+}
+
+int wl_get_ssid(const char *ifname, char *buf)
+{
+ int ret = -1;
+ wlc_ssid_t ssid;
+
+ if (!(ret = wl_ioctl(ifname, WLC_GET_SSID, &ssid, sizeof(ssid))))
+ memcpy(buf, ssid.ssid, ssid.ssid_len);
+
+ return ret;
+}
+
+int wl_get_bssid(const char *ifname, char *buf)
+{
+ int ret = -1;
+ char bssid[6];
+
+ if (!(ret = wl_ioctl(ifname, WLC_GET_BSSID, bssid, 6)))
+ sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X",
+ (uint8_t)bssid[0], (uint8_t)bssid[1], (uint8_t)bssid[2],
+ (uint8_t)bssid[3], (uint8_t)bssid[4], (uint8_t)bssid[5]
+ );
+
+ return ret;
+}
+
+int wl_get_channel(const char *ifname, int *buf)
+{
+ return wl_ioctl(ifname, WLC_GET_CHANNEL, buf, sizeof(buf));
+}
+
+int wl_get_frequency(const char *ifname, int *buf)
+{
+ return wext_get_frequency(ifname, buf);
+}
+
+int wl_get_txpower(const char *ifname, int *buf)
+{
+ /* WLC_GET_VAR "qtxpower" */
+ return wext_get_txpower(ifname, buf);
+}
+
+int wl_get_bitrate(const char *ifname, int *buf)
+{
+ int ret = -1;
+ int rate = 0;
+
+ if( !(ret = wl_ioctl(ifname, WLC_GET_RATE, &rate, sizeof(rate))) && (rate > 0))
+ *buf = ((rate / 2) * 1000) + ((rate & 1) ? 500 : 0);
+
+ return ret;
+}
+
+int wl_get_signal(const char *ifname, int *buf)
+{
+ unsigned int ap, rssi, i, rssi_count;
+ int ioctl_req_version = 0x2000;
+ char tmp[WLC_IOCTL_MAXLEN];
+ struct wl_maclist *macs = NULL;
+ wl_sta_rssi_t starssi;
+
+ memset(tmp, 0, WLC_IOCTL_MAXLEN);
+ memcpy(tmp, &ioctl_req_version, sizeof(ioctl_req_version));
+
+ wl_ioctl(ifname, WLC_GET_BSS_INFO, tmp, WLC_IOCTL_MAXLEN);
+
+ if (!wl_ioctl(ifname, WLC_GET_AP, &ap, sizeof(ap)) && !ap)
+ {
+ *buf = tmp[WL_BSS_RSSI_OFFSET];
+ }
+ else
+ {
+ rssi = rssi_count = 0;
+
+ /* Calculate average rssi from conntected stations */
+ if ((macs = wl_read_assoclist(ifname)) != NULL)
+ {
+ for (i = 0; i < macs->count; i++)
+ {
+ memcpy(starssi.mac, &macs->ea[i], 6);
+
+ if (!wl_ioctl(ifname, WLC_GET_RSSI, &starssi, 12))
+ {
+ rssi -= starssi.rssi;
+ rssi_count++;
+ }
+ }
+
+ free(macs);
+ }
+
+ *buf = (rssi == 0 || rssi_count == 0) ? 1 : -(rssi / rssi_count);
+ }
+
+ return 0;
+}
+
+int wl_get_noise(const char *ifname, int *buf)
+{
+ unsigned int ap, noise;
+ int ioctl_req_version = 0x2000;
+ char tmp[WLC_IOCTL_MAXLEN];
+
+ memset(tmp, 0, WLC_IOCTL_MAXLEN);
+ memcpy(tmp, &ioctl_req_version, sizeof(ioctl_req_version));
+
+ wl_ioctl(ifname, WLC_GET_BSS_INFO, tmp, WLC_IOCTL_MAXLEN);
+
+ if ((wl_ioctl(ifname, WLC_GET_AP, &ap, sizeof(ap)) < 0) || ap)
+ {
+ if (wl_ioctl(ifname, WLC_GET_PHY_NOISE, &noise, sizeof(noise)) < 0)
+ noise = 0;
+ }
+ else
+ {
+ noise = tmp[WL_BSS_NOISE_OFFSET];
+ }
+
+ *buf = noise;
+
+ return 0;
+}
+
+int wl_get_quality(const char *ifname, int *buf)
+{
+ return wext_get_quality(ifname, buf);
+}
+
+int wl_get_quality_max(const char *ifname, int *buf)
+{
+ return wext_get_quality_max(ifname, buf);
+}
+
+int wl_get_encryption(const char *ifname, char *buf)
+{
+ uint32_t wsec, wauth, wpa;
+ struct iwinfo_crypto_entry *c = (struct iwinfo_crypto_entry *)buf;
+
+ if( wl_ioctl(ifname, WLC_GET_WPA_AUTH, &wpa, sizeof(uint32_t)) ||
+ wl_ioctl(ifname, WLC_GET_WSEC, &wsec, sizeof(uint32_t)) ||
+ wl_ioctl(ifname, WLC_GET_AUTH, &wauth, sizeof(uint32_t)) )
+ return -1;
+
+ switch(wsec)
+ {
+ case 2:
+ c->pair_ciphers |= IWINFO_CIPHER_TKIP;
+ break;
+
+ case 4:
+ c->pair_ciphers |= IWINFO_CIPHER_CCMP;
+ break;
+
+ case 6:
+ c->pair_ciphers |= IWINFO_CIPHER_TKIP;
+ c->pair_ciphers |= IWINFO_CIPHER_CCMP;
+ break;
+ }
+
+ switch(wpa)
+ {
+ case 0:
+ if (wsec && !wauth)
+ c->auth_algs |= IWINFO_AUTH_OPEN;
+
+ else if (wsec && wauth)
+ c->auth_algs |= IWINFO_AUTH_SHARED;
+
+ /* ToDo: evaluate WEP key lengths */
+ c->pair_ciphers = IWINFO_CIPHER_WEP40 | IWINFO_CIPHER_WEP104;
+ c->auth_suites |= IWINFO_KMGMT_NONE;
+ break;
+
+ case 2:
+ c->wpa_version = 1;
+ c->auth_suites |= IWINFO_KMGMT_8021x;
+ break;
+
+ case 4:
+ c->wpa_version = 1;
+ c->auth_suites |= IWINFO_KMGMT_PSK;
+ break;
+
+ case 32:
+ case 64:
+ c->wpa_version = 2;
+ c->auth_suites |= IWINFO_KMGMT_8021x;
+ break;
+
+ case 66:
+ c->wpa_version = 3;
+ c->auth_suites |= IWINFO_KMGMT_8021x;
+ break;
+
+ case 128:
+ c->wpa_version = 2;
+ c->auth_suites |= IWINFO_KMGMT_PSK;
+ break;
+
+ case 132:
+ c->wpa_version = 3;
+ c->auth_suites |= IWINFO_KMGMT_PSK;
+ break;
+
+ default:
+ break;
+ }
+
+ c->enabled = (c->wpa_version || c->auth_algs) ? 1 : 0;
+ c->group_ciphers = c->pair_ciphers;
+
+ return 0;
+}
+
+int wl_get_enctype(const char *ifname, char *buf)
+{
+ uint32_t wsec, wpa;
+ char algo[11];
+
+ if( wl_ioctl(ifname, WLC_GET_WPA_AUTH, &wpa, sizeof(uint32_t)) ||
+ wl_ioctl(ifname, WLC_GET_WSEC, &wsec, sizeof(uint32_t)) )
+ return -1;
+
+ switch(wsec)
+ {
+ case 2:
+ sprintf(algo, "TKIP");
+ break;
+
+ case 4:
+ sprintf(algo, "CCMP");
+ break;
+
+ case 6:
+ sprintf(algo, "TKIP, CCMP");
+ break;
+ }
+
+ switch(wpa)
+ {
+ case 0:
+ sprintf(buf, "%s", wsec ? "WEP" : "None");
+ break;
+
+ case 2:
+ sprintf(buf, "WPA 802.1X (%s)", algo);
+ break;
+
+ case 4:
+ sprintf(buf, "WPA PSK (%s)", algo);
+ break;
+
+ case 32:
+ sprintf(buf, "802.1X (%s)", algo);
+ break;
+
+ case 64:
+ sprintf(buf, "WPA2 802.1X (%s)", algo);
+ break;
+
+ case 66:
+ sprintf(buf, "mixed WPA/WPA2 802.1X (%s)", algo);
+ break;
+
+ case 128:
+ sprintf(buf, "WPA2 PSK (%s)", algo);
+ break;
+
+ case 132:
+ sprintf(buf, "mixed WPA/WPA2 PSK (%s)", algo);
+ break;
+
+ default:
+ sprintf(buf, "Unknown");
+ }
+
+ return 0;
+}
+
+static void wl_get_assoclist_cb(const char *ifname,
+ struct iwinfo_assoclist_entry *e)
+{
+ wl_sta_info_t sta = { 0 };
+
+ if (!wl_iovar(ifname, "sta_info", e->mac, 6, &sta, sizeof(sta)) &&
+ (sta.ver >= 2))
+ {
+ e->inactive = sta.idle * 1000;
+ e->rx_packets = sta.rx_ucast_pkts;
+ e->tx_packets = sta.tx_pkts;
+ e->rx_rate.rate = sta.rx_rate;
+ e->tx_rate.rate = sta.tx_rate;
+
+ /* ToDo: 11n */
+ e->rx_rate.mcs = -1;
+ e->tx_rate.mcs = -1;
+ }
+}
+
+int wl_get_assoclist(const char *ifname, char *buf, int *len)
+{
+ int i, j, noise;
+ int ap, infra, passive;
+ char line[128];
+ char macstr[18];
+ char devstr[IFNAMSIZ];
+ struct wl_maclist *macs;
+ struct wl_sta_rssi rssi;
+ struct iwinfo_assoclist_entry entry;
+ FILE *arp;
+
+ ap = infra = passive = 0;
+
+ wl_ioctl(ifname, WLC_GET_AP, &ap, sizeof(ap));
+ wl_ioctl(ifname, WLC_GET_INFRA, &infra, sizeof(infra));
+ wl_ioctl(ifname, WLC_GET_PASSIVE, &passive, sizeof(passive));
+
+ if (wl_get_noise(ifname, &noise))
+ noise = 0;
+
+ if ((ap || infra || passive) && ((macs = wl_read_assoclist(ifname)) != NULL))
+ {
+ for (i = 0, j = 0; i < macs->count; i++, j += sizeof(struct iwinfo_assoclist_entry))
+ {
+ memset(&entry, 0, sizeof(entry));
+ memcpy(rssi.mac, &macs->ea[i], 6);
+
+ if (!wl_ioctl(ifname, WLC_GET_RSSI, &rssi, sizeof(struct wl_sta_rssi)))
+ entry.signal = (rssi.rssi - 0x100);
+ else
+ entry.signal = 0;
+
+ entry.noise = noise;
+ memcpy(entry.mac, &macs->ea[i], 6);
+ wl_get_assoclist_cb(ifname, &entry);
+
+ memcpy(&buf[j], &entry, sizeof(entry));
+ }
+
+ *len = j;
+ free(macs);
+ return 0;
+ }
+ else if ((arp = fopen("/proc/net/arp", "r")) != NULL)
+ {
+ j = 0;
+
+ while (fgets(line, sizeof(line), arp) != NULL)
+ {
+ if (sscanf(line, "%*s 0x%*d 0x%*d %17s %*s %s", macstr, devstr) && !strcmp(devstr, ifname))
+ {
+ rssi.mac[0] = strtol(&macstr[0], NULL, 16);
+ rssi.mac[1] = strtol(&macstr[3], NULL, 16);
+ rssi.mac[2] = strtol(&macstr[6], NULL, 16);
+ rssi.mac[3] = strtol(&macstr[9], NULL, 16);
+ rssi.mac[4] = strtol(&macstr[12], NULL, 16);
+ rssi.mac[5] = strtol(&macstr[15], NULL, 16);
+
+ if (!wl_ioctl(ifname, WLC_GET_RSSI, &rssi, sizeof(struct wl_sta_rssi)))
+ entry.signal = (rssi.rssi - 0x100);
+ else
+ entry.signal = 0;
+
+ entry.noise = noise;
+ memcpy(entry.mac, rssi.mac, 6);
+ memcpy(&buf[j], &entry, sizeof(entry));
+
+ j += sizeof(entry);
+ }
+ }
+
+ *len = j;
+ (void) fclose(arp);
+ return 0;
+ }
+
+ return -1;
+}
+
+int wl_get_txpwrlist(const char *ifname, char *buf, int *len)
+{
+ struct iwinfo_txpwrlist_entry entry;
+ uint8_t dbm[11] = { 0, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24 };
+ uint8_t mw[11] = { 1, 3, 6, 10, 15, 25, 39, 63, 100, 158, 251 };
+ int i;
+
+ for (i = 0; i < 11; i++)
+ {
+ entry.dbm = dbm[i];
+ entry.mw = mw[i];
+ memcpy(&buf[i*sizeof(entry)], &entry, sizeof(entry));
+ }
+
+ *len = 11 * sizeof(entry);
+ return 0;
+}
+
+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_country(const char *ifname, char *buf)
+{
+ char ccode[WLC_CNTRY_BUF_SZ];
+
+ if (!wl_ioctl(ifname, WLC_GET_COUNTRY, ccode, WLC_CNTRY_BUF_SZ))
+ {
+ /* IL0 -> World */
+ if (!strcmp(ccode, "IL0"))
+ sprintf(buf, "00");
+
+ /* YU -> RS */
+ else if (!strcmp(ccode, "YU"))
+ sprintf(buf, "RS");
+
+ else
+ memcpy(buf, ccode, 2);
+
+ return 0;
+ }
+
+ return -1;
+}
+
+int wl_get_countrylist(const char *ifname, char *buf, int *len)
+{
+ int i, count;
+ char cdata[WLC_IOCTL_MAXLEN];
+ struct iwinfo_country_entry *c = (struct iwinfo_country_entry *)buf;
+ wl_country_list_t *cl = (wl_country_list_t *)cdata;
+
+ cl->buflen = sizeof(cdata);
+
+ if (!wl_ioctl(ifname, WLC_GET_COUNTRY_LIST, cl, cl->buflen))
+ {
+ for (i = 0, count = 0; i < cl->count; i++, c++)
+ {
+ sprintf(c->ccode, &cl->country_abbrev[i * WLC_CNTRY_BUF_SZ]);
+ c->iso3166 = c->ccode[0] * 256 + c->ccode[1];
+
+ /* IL0 -> World */
+ if (!strcmp(c->ccode, "IL0"))
+ c->iso3166 = 0x3030;
+
+ /* YU -> RS */
+ else if (!strcmp(c->ccode, "YU"))
+ c->iso3166 = 0x5253;
+ }
+
+ *len = (i * sizeof(struct iwinfo_country_entry));
+ return 0;
+ }
+
+ return -1;
+}
+
+int wl_get_hwmodelist(const char *ifname, int *buf)
+{
+ return wext_get_hwmodelist(ifname, buf);
+}
+
+int wl_get_mbssid_support(const char *ifname, int *buf)
+{
+ wlc_rev_info_t revinfo;
+
+ /* Multi bssid support only works on corerev >= 9 */
+ if (!wl_ioctl(ifname, WLC_GET_REVINFO, &revinfo, sizeof(revinfo)))
+ {
+ if (revinfo.corerev >= 9)
+ {
+ *buf = 1;
+ return 0;
+ }
+ }
+
+ return -1;
+}
+
+int wl_get_hardware_id(const char *ifname, char *buf)
+{
+ wlc_rev_info_t revinfo;
+ struct iwinfo_hardware_id *ids = (struct iwinfo_hardware_id *)buf;
+
+ if (wl_ioctl(ifname, WLC_GET_REVINFO, &revinfo, sizeof(revinfo)))
+ return -1;
+
+ ids->vendor_id = revinfo.vendorid;
+ ids->device_id = revinfo.deviceid;
+ ids->subsystem_vendor_id = revinfo.boardvendor;
+ ids->subsystem_device_id = revinfo.boardid;
+
+ return 0;
+}
+
+int wl_get_hardware_name(const char *ifname, char *buf)
+{
+ struct iwinfo_hardware_id ids;
+
+ if (wl_get_hardware_id(ifname, (char *)&ids))
+ return -1;
+
+ sprintf(buf, "Broadcom BCM%04X", ids.device_id);
+
+ return 0;
+}
+
+int wl_get_txpower_offset(const char *ifname, int *buf)
+{
+ FILE *p;
+ char off[8];
+
+ *buf = 0;
+
+ if ((p = popen("/usr/sbin/nvram get opo", "r")) != NULL)
+ {
+ if (fread(off, 1, sizeof(off), p))
+ *buf = strtoul(off, NULL, 16);
+
+ pclose(p);
+ }
+
+ return 0;
+}
+
+int wl_get_frequency_offset(const char *ifname, int *buf)
+{
+ /* Stub */
+ *buf = 0;
+ return -1;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-06 10:00:14 +0000