+++ /dev/null
-/*
- * 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.h"
-#include "api/broadcom.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 (strstr(ifname, "wds"))
- return NULL;
-
- 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;
-}
-
-
-static int wl_probe(const char *ifname)
-{
- int magic;
- return (!wl_ioctl(ifname, WLC_GET_MAGIC, &magic, sizeof(magic)) &&
- (magic == WLC_IOCTL_MAGIC));
-}
-
-static void wl_close(void)
-{
- /* Nop */
-}
-
-static 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;
-}
-
-static 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;
-}
-
-static 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;
-}
-
-static int wl_get_channel(const char *ifname, int *buf)
-{
- return wl_ioctl(ifname, WLC_GET_CHANNEL, buf, sizeof(buf));
-}
-
-static int wl_get_frequency(const char *ifname, int *buf)
-{
- return wext_ops.frequency(ifname, buf);
-}
-
-static int wl_get_txpower(const char *ifname, int *buf)
-{
- /* WLC_GET_VAR "qtxpower" */
- return wext_ops.txpower(ifname, buf);
-}
-
-static 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;
-}
-
-static 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;
-}
-
-static 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;
-}
-
-static int wl_get_quality(const char *ifname, int *buf)
-{
- return wext_ops.quality(ifname, buf);
-}
-
-static int wl_get_quality_max(const char *ifname, int *buf)
-{
- return wext_ops.quality_max(ifname, buf);
-}
-
-static 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;
-}
-
-static int wl_get_phyname(const char *ifname, char *buf)
-{
- char *p;
-
- strcpy(buf, ifname);
-
- if ((p = strchr(buf, '.')) != NULL)
- *p = 0;
-
- return 0;
-}
-
-static 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;
- }
-}
-
-static 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;
-}
-
-static 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;
-}
-
-static int wl_get_scanlist(const char *ifname, char *buf, int *len)
-{
- return wext_ops.scanlist(ifname, buf, len);
-}
-
-static int wl_get_freqlist(const char *ifname, char *buf, int *len)
-{
- return wext_ops.freqlist(ifname, buf, len);
-}
-
-static 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;
-}
-
-static 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++)
- {
- snprintf(c->ccode, sizeof(c->ccode), "%s", &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;
-}
-
-static int wl_get_hwmodelist(const char *ifname, int *buf)
-{
- int phytype;
- uint i, band[WLC_BAND_ALL], bands;
-
- if (!wl_ioctl(ifname, WLC_GET_PHYTYPE, &phytype, sizeof(phytype)) &&
- !wl_ioctl(ifname, WLC_GET_BANDLIST, band, sizeof(band)))
- {
- *buf = 0;
- switch (phytype)
- {
- case WLC_PHY_TYPE_A:
- *buf = IWINFO_80211_A;
- break;
- case WLC_PHY_TYPE_B:
- *buf = IWINFO_80211_B;
- break;
- case WLC_PHY_TYPE_AC:
- *buf |= IWINFO_80211_AC;
- case WLC_PHY_TYPE_HT:
- case WLC_PHY_TYPE_N:
- *buf |= IWINFO_80211_N;
- case WLC_PHY_TYPE_LP:
- case WLC_PHY_TYPE_G:
- bands = 0;
- for (i = 1; i <= band[0]; i++)
- {
- bands |= band[i];
- }
- if (bands & WLC_BAND_5G)
- *buf |= IWINFO_80211_A;
- if (bands & WLC_BAND_2G)
- {
- *buf |= IWINFO_80211_B;
- *buf |= IWINFO_80211_G;
- }
- break;
- default:
- return -1;
- break;
- }
- return 0;
- }
- return -1;
-}
-
-static 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;
-}
-
-static 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;
-}
-
-static 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;
-}
-
-static 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;
-}
-
-static int wl_get_frequency_offset(const char *ifname, int *buf)
-{
- /* Stub */
- *buf = 0;
- return -1;
-}
-
-const struct iwinfo_ops wl_ops = {
- .name = "wl",
- .probe = wl_probe,
- .channel = wl_get_channel,
- .frequency = wl_get_frequency,
- .frequency_offset = wl_get_frequency_offset,
- .txpower = wl_get_txpower,
- .txpower_offset = wl_get_txpower_offset,
- .bitrate = wl_get_bitrate,
- .signal = wl_get_signal,
- .noise = wl_get_noise,
- .quality = wl_get_quality,
- .quality_max = wl_get_quality_max,
- .mbssid_support = wl_get_mbssid_support,
- .hwmodelist = wl_get_hwmodelist,
- .mode = wl_get_mode,
- .ssid = wl_get_ssid,
- .bssid = wl_get_bssid,
- .country = wl_get_country,
- .hardware_id = wl_get_hardware_id,
- .hardware_name = wl_get_hardware_name,
- .encryption = wl_get_encryption,
- .phyname = wl_get_phyname,
- .assoclist = wl_get_assoclist,
- .txpwrlist = wl_get_txpwrlist,
- .scanlist = wl_get_scanlist,
- .freqlist = wl_get_freqlist,
- .countrylist = wl_get_countrylist,
- .close = wl_close
-};
projects / openwrt.git / blobdiff