diff options
Diffstat (limited to 'src/wifi')
| -rw-r--r-- | src/wifi/Makefile.am | 29 | ||||
| -rw-r--r-- | src/wifi/Makefile.in | 755 | ||||
| -rw-r--r-- | src/wifi/wifi-utils-nl80211.c | 897 | ||||
| -rw-r--r-- | src/wifi/wifi-utils-nl80211.h | 30 | ||||
| -rw-r--r-- | src/wifi/wifi-utils-private.h | 74 | ||||
| -rw-r--r-- | src/wifi/wifi-utils-wext.c | 674 | ||||
| -rw-r--r-- | src/wifi/wifi-utils-wext.h | 30 | ||||
| -rw-r--r-- | src/wifi/wifi-utils.c | 215 | ||||
| -rw-r--r-- | src/wifi/wifi-utils.h | 72 |
9 files changed, 0 insertions, 2776 deletions
diff --git a/src/wifi/Makefile.am b/src/wifi/Makefile.am deleted file mode 100644 index 41007432..00000000 --- a/src/wifi/Makefile.am +++ /dev/null @@ -1,29 +0,0 @@ -noinst_LTLIBRARIES = libwifi-utils.la - -libwifi_utils_la_SOURCES = \ - wifi-utils.c \ - wifi-utils.h \ - wifi-utils-private.h \ - wifi-utils-nl80211.c \ - wifi-utils-nl80211.h - -if WITH_WEXT -libwifi_utils_la_SOURCES += wifi-utils-wext.c wifi-utils-wext.h -endif - -libwifi_utils_la_CPPFLAGS = \ - -I${top_srcdir}/include \ - -I${top_builddir}/include \ - -I${top_srcdir}/src/logging \ - -I${top_srcdir}/libnm-util \ - -I${top_builddir}/libnm-util \ - -I${top_srcdir}/src \ - $(GLIB_CFLAGS) \ - $(LIBNL_CFLAGS) - -libwifi_utils_la_LIBADD = \ - $(top_builddir)/src/logging/libnm-logging.la \ - $(top_builddir)/libnm-util/libnm-util.la \ - $(GLIB_LIBS) \ - $(LIBNL_LIBS) - diff --git a/src/wifi/Makefile.in b/src/wifi/Makefile.in deleted file mode 100644 index cace5d68..00000000 --- a/src/wifi/Makefile.in +++ /dev/null @@ -1,755 +0,0 @@ -# Makefile.in generated by automake 1.13.4 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994-2013 Free Software Foundation, Inc. - -# This Makefile.in is free software; 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b/src/wifi/wifi-utils-nl80211.c deleted file mode 100644 index 5f909c44..00000000 --- a/src/wifi/wifi-utils-nl80211.c +++ /dev/null @@ -1,897 +0,0 @@ -/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ -/* NetworkManager -- Network link manager - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Copyright (C) 2005 - 2011 Red Hat, Inc. - * Copyright (C) 2006 - 2008 Novell, Inc. - * Copyright (C) 2011 Intel Corporation. All rights reserved. - */ - -#include <config.h> -#include <errno.h> -#include <string.h> -#include <sys/ioctl.h> -#include <net/ethernet.h> -#include <unistd.h> -#include <math.h> - -#include <glib.h> - -#include <netlink/genl/genl.h> -#include <netlink/genl/family.h> -#include <netlink/genl/ctrl.h> -#include <netlink/route/link.h> - -#include <linux/nl80211.h> - -#include "wifi-utils-private.h" -#include "wifi-utils-nl80211.h" -#include "nm-logging.h" -#include "nm-utils.h" - -typedef struct { - WifiData parent; - struct nl_sock *nl_sock; - int id; - struct nl_cb *nl_cb; - guint32 *freqs; - int num_freqs; -} WifiDataNl80211; - -static int ack_handler (struct nl_msg *msg, void *arg) -{ - int *done = arg; - *done = 1; - return NL_STOP; -} - -static int finish_handler (struct nl_msg *msg, void *arg) -{ - int *done = arg; - *done = 1; - return NL_SKIP; -} - -static int error_handler (struct sockaddr_nl *nla, struct nlmsgerr *err, - void *arg) -{ - int *done = arg; - *done = err->error; - return NL_SKIP; -} - -static struct nl_msg * -_nl80211_alloc_msg (int id, int ifindex, guint32 cmd, guint32 flags) -{ - struct nl_msg *msg; - - msg = nlmsg_alloc (); - if (msg) { - genlmsg_put (msg, 0, 0, id, 0, flags, cmd, 0); - NLA_PUT_U32 (msg, NL80211_ATTR_IFINDEX, ifindex); - } - return msg; - - nla_put_failure: - nlmsg_free (msg); - return NULL; -} - -static struct nl_msg * -nl80211_alloc_msg (WifiDataNl80211 *nl80211, guint32 cmd, guint32 flags) -{ - return _nl80211_alloc_msg (nl80211->id, nl80211->parent.ifindex, cmd, flags); -} - -/* NOTE: this function consumes 'msg' */ -static int -_nl80211_send_and_recv (struct nl_sock *nl_sock, - struct nl_cb *nl_cb, - struct nl_msg *msg, - int (*valid_handler)(struct nl_msg *, void *), - void *valid_data) -{ - struct nl_cb *cb; - int err, done; - - g_return_val_if_fail (msg != NULL, -ENOMEM); - - cb = nl_cb_clone (nl_cb); - if (!cb) { - err = -ENOMEM; - goto out; - } - - err = nl_send_auto_complete (nl_sock, msg); - if (err < 0) - goto out; - - done = 0; - nl_cb_err (cb, NL_CB_CUSTOM, error_handler, &done); - nl_cb_set (cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &done); - nl_cb_set (cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &done); - if (valid_handler) - nl_cb_set (cb, NL_CB_VALID, NL_CB_CUSTOM, valid_handler, valid_data); - - /* Loop until one of our NL callbacks says we're done; on success - * done will be 1, on error it will be < 0. - */ - while (!done) { - err = nl_recvmsgs (nl_sock, cb); - if (err && err != -NLE_AGAIN) { - /* Kernel scan list can change while we are dumping it, as new scan - * results from H/W can arrive. BSS info is assured to be consistent - * and we don't need consistent view of whole scan list. Hence do - * not warn on DUMP_INTR error for get scan command. - */ - if (err == -NLE_DUMP_INTR && - genlmsg_hdr(nlmsg_hdr(msg))->cmd == NL80211_CMD_GET_SCAN) - break; - - nm_log_warn (LOGD_WIFI, "nl_recvmsgs() error: (%d) %s", - err, nl_geterror (err)); - break; - } - } - if (err == 0 && done < 0) - err = done; - - out: - nl_cb_put (cb); - nlmsg_free (msg); - return err; -} - -static int -nl80211_send_and_recv (WifiDataNl80211 *nl80211, - struct nl_msg *msg, - int (*valid_handler)(struct nl_msg *, void *), - void *valid_data) -{ - return _nl80211_send_and_recv (nl80211->nl_sock, nl80211->nl_cb, msg, valid_handler, valid_data); -} - -static void -wifi_nl80211_deinit (WifiData *parent) -{ - WifiDataNl80211 *nl80211 = (WifiDataNl80211 *) parent; - - if (nl80211->nl_sock) - nl_socket_free (nl80211->nl_sock); - if (nl80211->nl_cb) - nl_cb_put (nl80211->nl_cb); - g_free (nl80211->freqs); -} - -struct nl80211_iface_info { - NM80211Mode mode; -}; - -static int nl80211_iface_info_handler (struct nl_msg *msg, void *arg) -{ - struct nl80211_iface_info *info = arg; - struct genlmsghdr *gnlh = nlmsg_data (nlmsg_hdr (msg)); - struct nlattr *tb[NL80211_ATTR_MAX + 1]; - - if (nla_parse (tb, NL80211_ATTR_MAX, genlmsg_attrdata (gnlh, 0), - genlmsg_attrlen (gnlh, 0), NULL) < 0) - return NL_SKIP; - - if (!tb[NL80211_ATTR_IFTYPE]) - return NL_SKIP; - - switch (nla_get_u32 (tb[NL80211_ATTR_IFTYPE])) { - case NL80211_IFTYPE_ADHOC: - info->mode = NM_802_11_MODE_ADHOC; - break; - case NL80211_IFTYPE_AP: - info->mode = NM_802_11_MODE_AP; - break; - case NL80211_IFTYPE_STATION: - info->mode = NM_802_11_MODE_INFRA; - break; - } - - return NL_SKIP; -} - -static NM80211Mode -wifi_nl80211_get_mode (WifiData *data) -{ - WifiDataNl80211 *nl80211 = (WifiDataNl80211 *) data; - struct nl80211_iface_info iface_info = { - .mode = NM_802_11_MODE_UNKNOWN, - }; - struct nl_msg *msg; - - msg = nl80211_alloc_msg (nl80211, NL80211_CMD_GET_INTERFACE, 0); - - if (nl80211_send_and_recv (nl80211, msg, nl80211_iface_info_handler, - &iface_info) < 0) - return NM_802_11_MODE_UNKNOWN; - - return iface_info.mode; -} - -static gboolean -wifi_nl80211_set_mode (WifiData *data, const NM80211Mode mode) -{ - WifiDataNl80211 *nl80211 = (WifiDataNl80211 *) data; - struct nl_msg *msg; - int err; - - msg = nl80211_alloc_msg (nl80211, NL80211_CMD_SET_INTERFACE, 0); - - switch (mode) { - case NM_802_11_MODE_INFRA: - NLA_PUT_U32 (msg, NL80211_ATTR_IFTYPE, NL80211_IFTYPE_STATION); - break; - case NM_802_11_MODE_ADHOC: - NLA_PUT_U32 (msg, NL80211_ATTR_IFTYPE, NL80211_IFTYPE_ADHOC); - break; - case NM_802_11_MODE_AP: - NLA_PUT_U32 (msg, NL80211_ATTR_IFTYPE, NL80211_IFTYPE_AP); - break; - default: - g_assert_not_reached (); - } - - err = nl80211_send_and_recv (nl80211, msg, NULL, NULL); - return err ? FALSE : TRUE; - - nla_put_failure: - nlmsg_free (msg); - return FALSE; -} - -/* @divisor: pass what value @xbm should be divided by to get dBm */ -static guint32 nl80211_xbm_to_percent (gint32 xbm, guint32 divisor) -{ -#define NOISE_FLOOR_DBM -90 -#define SIGNAL_MAX_DBM -20 - - xbm /= divisor; - xbm = CLAMP(xbm, NOISE_FLOOR_DBM, SIGNAL_MAX_DBM); - - return 100 - 70 * (((float) SIGNAL_MAX_DBM - (float) xbm) / - ((float) SIGNAL_MAX_DBM - (float) NOISE_FLOOR_DBM)); -} - -struct nl80211_bss_info { - guint32 freq; - guint8 bssid[ETH_ALEN]; - guint8 ssid[32]; - guint32 ssid_len; - guint32 beacon_signal; - gboolean valid; -}; - -#define WLAN_EID_SSID 0 - -static void find_ssid (guint8 *ies, guint32 ies_len, - guint8 **ssid, guint32 *ssid_len) -{ - *ssid = NULL; - *ssid_len = 0; - - while (ies_len > 2 && ies[0] != WLAN_EID_SSID) { - ies_len -= ies[1] + 2; - ies += ies[1] + 2; - } - if (ies_len < 2) - return; - if (ies_len < 2 + ies[1]) - return; - - *ssid_len = ies[1]; - *ssid = ies + 2; -} - -static int nl80211_bss_dump_handler (struct nl_msg *msg, void *arg) -{ - struct nl80211_bss_info *info = arg; - struct genlmsghdr *gnlh = nlmsg_data (nlmsg_hdr (msg)); - struct nlattr *tb[NL80211_ATTR_MAX + 1]; - struct nlattr *bss[NL80211_BSS_MAX + 1]; - static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = { - [NL80211_BSS_TSF] = { .type = NLA_U64 }, - [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 }, - [NL80211_BSS_BSSID] = { }, - [NL80211_BSS_BEACON_INTERVAL] = { .type = NLA_U16 }, - [NL80211_BSS_CAPABILITY] = { .type = NLA_U16 }, - [NL80211_BSS_INFORMATION_ELEMENTS] = { }, - [NL80211_BSS_SIGNAL_MBM] = { .type = NLA_U32 }, - [NL80211_BSS_SIGNAL_UNSPEC] = { .type = NLA_U8 }, - [NL80211_BSS_STATUS] = { .type = NLA_U32 }, - }; - guint32 status; - - if (nla_parse (tb, NL80211_ATTR_MAX, genlmsg_attrdata (gnlh, 0), - genlmsg_attrlen (gnlh, 0), NULL) < 0) - return NL_SKIP; - - if (tb[NL80211_ATTR_BSS] == NULL) - return NL_SKIP; - - if (nla_parse_nested (bss, NL80211_BSS_MAX, - tb[NL80211_ATTR_BSS], - bss_policy)) - return NL_SKIP; - - if (bss[NL80211_BSS_STATUS] == NULL) - return NL_SKIP; - - status = nla_get_u32 (bss[NL80211_BSS_STATUS]); - - if (status != NL80211_BSS_STATUS_ASSOCIATED && - status != NL80211_BSS_STATUS_IBSS_JOINED) - return NL_SKIP; - - if (bss[NL80211_BSS_BSSID] == NULL) - return NL_SKIP; - memcpy(info->bssid, nla_data (bss[NL80211_BSS_BSSID]), ETH_ALEN); - - if (bss[NL80211_BSS_FREQUENCY]) - info->freq = nla_get_u32 (bss[NL80211_BSS_FREQUENCY]); - - if (bss[NL80211_BSS_SIGNAL_UNSPEC]) - info->beacon_signal = - nla_get_u8 (bss[NL80211_BSS_SIGNAL_UNSPEC]); - - if (bss[NL80211_BSS_SIGNAL_MBM]) - info->beacon_signal = - nl80211_xbm_to_percent (nla_get_u32 (bss[NL80211_BSS_SIGNAL_MBM]), 100); - - if (bss[NL80211_BSS_INFORMATION_ELEMENTS]) { - guint8 *ssid; - guint32 ssid_len; - - find_ssid(nla_data (bss[NL80211_BSS_INFORMATION_ELEMENTS]), - nla_len (bss[NL80211_BSS_INFORMATION_ELEMENTS]), - &ssid, &ssid_len); - if (ssid && ssid_len && ssid_len <= sizeof(info->ssid)) { - memcpy (info->ssid, ssid, ssid_len); - info->ssid_len = ssid_len; - } - } - - info->valid = TRUE; - - return NL_SKIP; -} - -static void nl80211_get_bss_info (WifiDataNl80211 *nl80211, - struct nl80211_bss_info *bss_info) -{ - struct nl_msg *msg; - - memset(bss_info, 0, sizeof(*bss_info)); - - msg = nl80211_alloc_msg (nl80211, NL80211_CMD_GET_SCAN, NLM_F_DUMP); - - nl80211_send_and_recv (nl80211, msg, nl80211_bss_dump_handler, bss_info); -} - -static guint32 -wifi_nl80211_get_freq (WifiData *data) -{ - WifiDataNl80211 *nl80211 = (WifiDataNl80211 *) data; - struct nl80211_bss_info bss_info; - - nl80211_get_bss_info (nl80211, &bss_info); - - return bss_info.freq; -} - -static guint32 -wifi_nl80211_find_freq (WifiData *data, const guint32 *freqs) -{ - WifiDataNl80211 *nl80211 = (WifiDataNl80211 *) data; - int i; - - for (i = 0; i < nl80211->num_freqs; i++) { - while (*freqs) { - if (nl80211->freqs[i] == *freqs) - return *freqs; - freqs++; - } - } - return 0; -} - -static GByteArray * -wifi_nl80211_get_ssid (WifiData *data) -{ - WifiDataNl80211 *nl80211 = (WifiDataNl80211 *) data; - GByteArray *array = NULL; - struct nl80211_bss_info bss_info; - - nl80211_get_bss_info (nl80211, &bss_info); - - if (bss_info.valid) { - array = g_byte_array_sized_new (bss_info.ssid_len); - g_byte_array_append (array, (const guint8 *) bss_info.ssid, - bss_info.ssid_len); - } - - return array; -} - -static gboolean -wifi_nl80211_get_bssid (WifiData *data, struct ether_addr *out_bssid) -{ - WifiDataNl80211 *nl80211 = (WifiDataNl80211 *) data; - struct nl80211_bss_info bss_info; - - nl80211_get_bss_info (nl80211, &bss_info); - - if (bss_info.valid) - memcpy(out_bssid, bss_info.bssid, ETH_ALEN); - - return bss_info.valid; -} - -struct nl80211_station_info { - guint32 txrate; - gboolean txrate_valid; - guint8 signal; - gboolean signal_valid; -}; - -static int nl80211_station_handler (struct nl_msg *msg, void *arg) -{ - struct nl80211_station_info *info = arg; - struct nlattr *tb[NL80211_ATTR_MAX + 1]; - struct genlmsghdr *gnlh = nlmsg_data (nlmsg_hdr (msg)); - struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1]; - struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1]; - static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = { - [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 }, - [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 }, - [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 }, - [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 }, - [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 }, - [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 }, - [NL80211_STA_INFO_TX_BITRATE] = { .type = NLA_NESTED }, - [NL80211_STA_INFO_LLID] = { .type = NLA_U16 }, - [NL80211_STA_INFO_PLID] = { .type = NLA_U16 }, - [NL80211_STA_INFO_PLINK_STATE] = { .type = NLA_U8 }, - }; - - static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = { - [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 }, - [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 }, - [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG }, - [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG }, - }; - - if (nla_parse (tb, NL80211_ATTR_MAX, genlmsg_attrdata (gnlh, 0), - genlmsg_attrlen (gnlh, 0), NULL) < 0) - return NL_SKIP; - - if (tb[NL80211_ATTR_STA_INFO] == NULL) - return NL_SKIP; - - if (nla_parse_nested (sinfo, NL80211_STA_INFO_MAX, - tb[NL80211_ATTR_STA_INFO], - stats_policy)) - return NL_SKIP; - - if (sinfo[NL80211_STA_INFO_TX_BITRATE] == NULL) - return NL_SKIP; - - if (nla_parse_nested (rinfo, NL80211_RATE_INFO_MAX, - sinfo[NL80211_STA_INFO_TX_BITRATE], - rate_policy)) - return NL_SKIP; - - if (rinfo[NL80211_RATE_INFO_BITRATE] == NULL) - return NL_SKIP; - - /* convert from nl80211's units of 100kbps to NM's kbps */ - info->txrate = nla_get_u16 (rinfo[NL80211_RATE_INFO_BITRATE]) * 100; - info->txrate_valid = TRUE; - - if (sinfo[NL80211_STA_INFO_SIGNAL] != NULL) { - info->signal = nl80211_xbm_to_percent ((gint8) nla_get_u8 (sinfo[NL80211_STA_INFO_SIGNAL]), 1); - info->signal_valid = TRUE; - } - - return NL_SKIP; -} - -static void nl80211_get_ap_info (WifiDataNl80211 *nl80211, - struct nl80211_station_info *sta_info) -{ - struct nl_msg *msg; - struct nl80211_bss_info bss_info; - - memset(sta_info, 0, sizeof(*sta_info)); - - nl80211_get_bss_info (nl80211, &bss_info); - if (!bss_info.valid) - return; - - msg = nl80211_alloc_msg (nl80211, NL80211_CMD_GET_STATION, 0); - if (msg) { - NLA_PUT (msg, NL80211_ATTR_MAC, ETH_ALEN, bss_info.bssid); - - nl80211_send_and_recv (nl80211, msg, nl80211_station_handler, sta_info); - if (!sta_info->signal_valid) { - /* Fall back to bss_info signal quality (both are in percent) */ - sta_info->signal = bss_info.beacon_signal; - } - } - - return; - - nla_put_failure: - nlmsg_free (msg); - return; -} - -static guint32 -wifi_nl80211_get_rate (WifiData *data) -{ - WifiDataNl80211 *nl80211 = (WifiDataNl80211 *) data; - struct nl80211_station_info sta_info; - - nl80211_get_ap_info (nl80211, &sta_info); - - return sta_info.txrate; -} - -static int -wifi_nl80211_get_qual (WifiData *data) -{ - WifiDataNl80211 *nl80211 = (WifiDataNl80211 *) data; - struct nl80211_station_info sta_info; - - nl80211_get_ap_info (nl80211, &sta_info); - return sta_info.signal; -} - -struct nl80211_device_info { - guint32 *freqs; - int num_freqs; - guint32 caps; - gboolean can_scan; - gboolean can_scan_ssid; - gboolean supported; - gboolean success; -}; - -#define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00 -#define WLAN_CIPHER_SUITE_WEP40 0x000FAC01 -#define WLAN_CIPHER_SUITE_TKIP 0x000FAC02 -#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04 -#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05 -#define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06 -#define WLAN_CIPHER_SUITE_GCMP 0x000FAC08 -#define WLAN_CIPHER_SUITE_SMS4 0x00147201 - -static int nl80211_wiphy_info_handler (struct nl_msg *msg, void *arg) -{ - struct nlattr *tb[NL80211_ATTR_MAX + 1]; - struct genlmsghdr *gnlh = nlmsg_data (nlmsg_hdr (msg)); - struct nl80211_device_info *info = arg; - struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1]; - struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1]; - struct nlattr *nl_band; - struct nlattr *nl_freq; - int rem_freq; - int rem_band; - int freq_idx; - static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { - [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 }, - [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG }, - [NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] = { .type = NLA_FLAG }, - [NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG }, - [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG }, - [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 }, - }; - - if (nla_parse (tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), - genlmsg_attrlen (gnlh, 0), NULL) < 0) - return NL_SKIP; - - if (tb[NL80211_ATTR_WIPHY_BANDS] == NULL) - return NL_SKIP; - - if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]) { - info->can_scan_ssid = - nla_get_u8 (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]) > 0; - } else { - /* old kernel that only had mac80211, so assume it can */ - info->can_scan_ssid = TRUE; - } - - if (tb[NL80211_ATTR_SUPPORTED_COMMANDS]) { - struct nlattr *nl_cmd; - int i; - - nla_for_each_nested (nl_cmd, tb[NL80211_ATTR_SUPPORTED_COMMANDS], i) { - switch (nla_get_u32 (nl_cmd)) { - case NL80211_CMD_TRIGGER_SCAN: - info->can_scan = TRUE; - break; - case NL80211_CMD_CONNECT: - case NL80211_CMD_AUTHENTICATE: - /* Only devices that support CONNECT or AUTH actually support - * 802.11, unlike say ipw2x00 (up to at least kernel 3.4) which - * has minimal info support, but no actual command support. - * This check mirrors what wpa_supplicant does to determine - * whether or not to use the nl80211 driver. - */ - info->supported = TRUE; - break; - default: - break; - } - } - } - - info->num_freqs = 0; - - nla_for_each_nested (nl_band, tb[NL80211_ATTR_WIPHY_BANDS], rem_band) { - if (nla_parse_nested (tb_band, NL80211_BAND_ATTR_MAX, nl_band, - NULL) < 0) - return NL_SKIP; - - nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], - rem_freq) { - nla_parse_nested (tb_freq, NL80211_FREQUENCY_ATTR_MAX, - nl_freq, freq_policy); - - if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) - continue; - - info->num_freqs++; - } - } - - info->freqs = g_malloc0 (sizeof(guint32) * info->num_freqs); - - freq_idx = 0; - nla_for_each_nested (nl_band, tb[NL80211_ATTR_WIPHY_BANDS], rem_band) { - if (nla_parse_nested (tb_band, NL80211_BAND_ATTR_MAX, nl_band, - NULL) < 0) - return NL_SKIP; - - nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], - rem_freq) { - nla_parse_nested (tb_freq, NL80211_FREQUENCY_ATTR_MAX, - nl_freq, freq_policy); - - if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ]) - continue; - - info->freqs[freq_idx] = - nla_get_u32 (tb_freq[NL80211_FREQUENCY_ATTR_FREQ]); - freq_idx++; - } - } - - if (tb[NL80211_ATTR_CIPHER_SUITES]) { - int num; - int i; - __u32 *ciphers = nla_data (tb[NL80211_ATTR_CIPHER_SUITES]); - - num = nla_len (tb[NL80211_ATTR_CIPHER_SUITES]) / sizeof(__u32); - for (i = 0; i < num; i++) { - switch (ciphers[i]) { - case WLAN_CIPHER_SUITE_WEP40: - info->caps |= NM_WIFI_DEVICE_CAP_CIPHER_WEP40; - break; - case WLAN_CIPHER_SUITE_WEP104: - info->caps |= NM_WIFI_DEVICE_CAP_CIPHER_WEP104; - break; - case WLAN_CIPHER_SUITE_TKIP: - info->caps |= NM_WIFI_DEVICE_CAP_CIPHER_TKIP | - NM_WIFI_DEVICE_CAP_WPA; - break; - case WLAN_CIPHER_SUITE_CCMP: - info->caps |= NM_WIFI_DEVICE_CAP_CIPHER_CCMP | - NM_WIFI_DEVICE_CAP_RSN; - break; - case WLAN_CIPHER_SUITE_AES_CMAC: - case WLAN_CIPHER_SUITE_GCMP: - case WLAN_CIPHER_SUITE_SMS4: - break; - default: - nm_log_dbg (LOGD_HW | LOGD_WIFI, "Don't know the meaning of NL80211_ATTR_CIPHER_SUITE %#8.8x.", ciphers[i]); - break; - } - } - } - - if (tb[NL80211_ATTR_SUPPORTED_IFTYPES]) { - struct nlattr *nl_mode; - int i; - - nla_for_each_nested (nl_mode, tb[NL80211_ATTR_SUPPORTED_IFTYPES], i) { - if (nla_type (nl_mode) == NL80211_IFTYPE_AP) - info->caps |= NM_WIFI_DEVICE_CAP_AP; - else if (nla_type (nl_mode) == NL80211_IFTYPE_ADHOC) - info->caps |= NM_WIFI_DEVICE_CAP_ADHOC; - } - } - - info->success = TRUE; - - return NL_SKIP; -} - -WifiData * -wifi_nl80211_init (const char *iface, int ifindex) -{ - WifiDataNl80211 *nl80211; - struct nl_msg *msg; - struct nl80211_device_info device_info = {}; - - nl80211 = wifi_data_new (iface, ifindex, sizeof (*nl80211)); - nl80211->parent.get_mode = wifi_nl80211_get_mode; - nl80211->parent.set_mode = wifi_nl80211_set_mode; - nl80211->parent.get_freq = wifi_nl80211_get_freq; - nl80211->parent.find_freq = wifi_nl80211_find_freq; - nl80211->parent.get_ssid = wifi_nl80211_get_ssid; - nl80211->parent.get_bssid = wifi_nl80211_get_bssid; - nl80211->parent.get_rate = wifi_nl80211_get_rate; - nl80211->parent.get_qual = wifi_nl80211_get_qual; - nl80211->parent.deinit = wifi_nl80211_deinit; - - nl80211->nl_sock = nl_socket_alloc (); - if (nl80211->nl_sock == NULL) - goto error; - - if (genl_connect (nl80211->nl_sock)) - goto error; - - nl80211->id = genl_ctrl_resolve (nl80211->nl_sock, "nl80211"); - if (nl80211->id < 0) - goto error; - - nl80211->nl_cb = nl_cb_alloc (NL_CB_DEFAULT); - if (nl80211->nl_cb == NULL) - goto error; - - msg = nl80211_alloc_msg (nl80211, NL80211_CMD_GET_WIPHY, 0); - - if (nl80211_send_and_recv (nl80211, msg, nl80211_wiphy_info_handler, - &device_info) < 0) { - nm_log_dbg (LOGD_HW | LOGD_WIFI, - "(%s): NL80211_CMD_GET_WIPHY request failed", - nl80211->parent.iface); - goto error; - } - - if (!device_info.success) { - nm_log_dbg (LOGD_HW | LOGD_WIFI, - "(%s): NL80211_CMD_GET_WIPHY request indicated failure", - nl80211->parent.iface); - goto error; - } - - if (!device_info.supported) { - nm_log_dbg (LOGD_HW | LOGD_WIFI, - "(%s): driver does not fully support nl80211, falling back to WEXT", - nl80211->parent.iface); - goto error; - } - - if (!device_info.can_scan_ssid) { - nm_log_err (LOGD_HW | LOGD_WIFI, - "(%s): driver does not support SSID scans", - nl80211->parent.iface); - goto error; - } - - if (device_info.num_freqs == 0 || device_info.freqs == NULL) { - nm_log_err (LOGD_HW | LOGD_WIFI, - "(%s): driver reports no supported frequencies", - nl80211->parent.iface); - goto error; - } - - if (device_info.caps == 0) { - nm_log_err (LOGD_HW | LOGD_WIFI, - "(%s): driver doesn't report support of any encryption", - nl80211->parent.iface); - goto error; - } - - nl80211->freqs = device_info.freqs; - nl80211->num_freqs = device_info.num_freqs; - nl80211->parent.can_scan_ssid = device_info.can_scan_ssid; - nl80211->parent.caps = device_info.caps; - - nm_log_info (LOGD_HW | LOGD_WIFI, - "(%s): using nl80211 for WiFi device control", - nl80211->parent.iface); - - return (WifiData *) nl80211; - -error: - wifi_utils_deinit ((WifiData *) nl80211); - return NULL; -} - -static int -iface_to_index (struct nl_sock *nl_sock, const char *iface) -{ - struct nl_cache *link_cache = NULL; - int err, ifindex; - - /* name to index */ - err = rtnl_link_alloc_cache (nl_sock, AF_UNSPEC, &link_cache); - if (err < 0) { - nm_log_warn (LOGD_HW, "failed to allocate link cache: (%d) %s", - err, nl_geterror (err)); - return -1; - } - nl_cache_mngt_provide (link_cache); - nl_cache_refill (nl_sock, link_cache); - ifindex = rtnl_link_name2i (link_cache, iface); - nl_cache_free (link_cache); - - return ifindex; -} - -gboolean -wifi_nl80211_is_wifi (const char *iface) -{ - struct nl_sock *nl_sock; - struct nl_cb *nl_cb = NULL; - struct nl_msg *msg = NULL; - int id, ifindex; - struct nl80211_iface_info iface_info = { - .mode = NM_802_11_MODE_UNKNOWN, - }; - gboolean is_wifi = FALSE; - - nl_sock = nl_socket_alloc (); - if (nl_sock == NULL) - return FALSE; - - if (genl_connect (nl_sock)) - goto error; - - ifindex = iface_to_index (nl_sock, iface); - if (ifindex < 0) - goto error; - - id = genl_ctrl_resolve (nl_sock, "nl80211"); - if (id < 0) - goto error; - - nl_cb = nl_cb_alloc (NL_CB_DEFAULT); - if (nl_cb) { - msg = _nl80211_alloc_msg (id, ifindex, NL80211_CMD_GET_INTERFACE, 0); - if (_nl80211_send_and_recv (nl_sock, - nl_cb, - msg, - nl80211_iface_info_handler, - &iface_info) >= 0) - is_wifi = (iface_info.mode != NM_802_11_MODE_UNKNOWN); - } - - error: - if (nl_cb) - nl_cb_put (nl_cb); - nl_socket_free (nl_sock); - return is_wifi; -} - diff --git a/src/wifi/wifi-utils-nl80211.h b/src/wifi/wifi-utils-nl80211.h deleted file mode 100644 index 2a7fe874..00000000 --- a/src/wifi/wifi-utils-nl80211.h +++ /dev/null @@ -1,30 +0,0 @@ -/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ -/* NetworkManager -- Network link manager - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Copyright (C) 2011 Intel Corporation. All rights reserved. - */ - -#ifndef WIFI_UTILS_NL80211_H -#define WIFI_UTILS_NL80211_H - -#include "wifi-utils.h" - -WifiData *wifi_nl80211_init (const char *iface, int ifindex); - -gboolean wifi_nl80211_is_wifi (const char *iface); - -#endif /* WIFI_UTILS_NL80211_H */ diff --git a/src/wifi/wifi-utils-private.h b/src/wifi/wifi-utils-private.h deleted file mode 100644 index 83075090..00000000 --- a/src/wifi/wifi-utils-private.h +++ /dev/null @@ -1,74 +0,0 @@ -/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ -/* NetworkManager -- Network link manager - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Copyright (C) 2011 Red Hat, Inc. - */ - -#ifndef WIFI_UTILS_PRIVATE_H -#define WIFI_UTILS_PRIVATE_H - -#include <glib.h> - -#include "NetworkManager.h" -#include "wifi-utils.h" - -struct WifiData { - char *iface; - int ifindex; - NMDeviceWifiCapabilities caps; - gboolean can_scan_ssid; - - NM80211Mode (*get_mode) (WifiData *data); - - gboolean (*set_mode) (WifiData *data, const NM80211Mode mode); - - /* Return current frequency in MHz (really associated BSS frequency) */ - guint32 (*get_freq) (WifiData *data); - - /* Return first supported frequency in the zero-terminated list */ - guint32 (*find_freq) (WifiData *data, const guint32 *freqs); - - /* If SSID is empty/blank (zero-length or all \0s) return NULL */ - GByteArray * (*get_ssid) (WifiData *data); - - /* Return current bitrate in Kbps */ - guint32 (*get_rate) (WifiData *data); - - gboolean (*get_bssid) (WifiData *data, struct ether_addr *out_bssid); - - /* Return a signal strength percentage 0 - 100% for the current BSSID; - * return -1 on errors or if not associated. - */ - int (*get_qual) (WifiData *data); - - void (*deinit) (WifiData *data); - - /* OLPC Mesh-only functions */ - - guint32 (*get_mesh_channel) (WifiData *data); - - /* channel == 0 means "auto channel" */ - gboolean (*set_mesh_channel) (WifiData *data, guint32 channel); - - /* ssid == NULL means "auto SSID" */ - gboolean (*set_mesh_ssid) (WifiData *data, const GByteArray *ssid); -}; - -gpointer wifi_data_new (const char *iface, int ifindex, gsize len); -void wifi_data_free (WifiData *data); - -#endif /* WIFI_UTILS_PRIVATE_H */ diff --git a/src/wifi/wifi-utils-wext.c b/src/wifi/wifi-utils-wext.c deleted file mode 100644 index 6e990aed..00000000 --- a/src/wifi/wifi-utils-wext.c +++ /dev/null @@ -1,674 +0,0 @@ -/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ -/* NetworkManager -- Network link manager - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Copyright (C) 2005 - 2011 Red Hat, Inc. - * Copyright (C) 2006 - 2008 Novell, Inc. - */ - -#include <config.h> -#include <errno.h> -#include <string.h> -#include <sys/ioctl.h> -#include <net/ethernet.h> -#include <unistd.h> -#include <math.h> - -#include <glib.h> - -#include "wifi-utils-private.h" -#include "wifi-utils-wext.h" -#include "nm-logging.h" -#include "nm-utils.h" - -/* Hacks necessary to #include wireless.h; yay for WEXT */ -#ifndef __user -#define __user -#endif -#include <sys/types.h> -#include <linux/types.h> -#include <sys/socket.h> -#include <linux/if.h> -#include <linux/wireless.h> - - -typedef struct { - WifiData parent; - int fd; - struct iw_quality max_qual; - gint8 num_freqs; - guint32 freqs[IW_MAX_FREQUENCIES]; -} WifiDataWext; - -/* Until a new wireless-tools comes out that has the defs and the structure, - * need to copy them here. - */ -/* Scan capability flags - in (struct iw_range *)->scan_capa */ -#define NM_IW_SCAN_CAPA_NONE 0x00 -#define NM_IW_SCAN_CAPA_ESSID 0x01 - -struct iw_range_with_scan_capa -{ - guint32 throughput; - guint32 min_nwid; - guint32 max_nwid; - guint16 old_num_channels; - guint8 old_num_frequency; - - guint8 scan_capa; -/* don't need the rest... */ -}; - -static guint32 -iw_freq_to_uint32 (struct iw_freq *freq) -{ - if (freq->e == 0) { - /* Some drivers report channel not frequency. Convert to a - * frequency; but this assumes that the device is in b/g mode. - */ - if ((freq->m >= 1) && (freq->m <= 13)) - return 2407 + (5 * freq->m); - else if (freq->m == 14) - return 2484; - } - - return (guint32) (((double) freq->m) * pow (10, freq->e) / 1000000); -} - -static void -wifi_wext_deinit (WifiData *parent) -{ - WifiDataWext *wext = (WifiDataWext *) parent; - - if (wext->fd >= 0) - close (wext->fd); -} - -static NM80211Mode -wifi_wext_get_mode (WifiData *data) -{ - WifiDataWext *wext = (WifiDataWext *) data; - struct iwreq wrq; - - memset (&wrq, 0, sizeof (struct iwreq)); - strncpy (wrq.ifr_name, wext->parent.iface, IFNAMSIZ); - - if (ioctl (wext->fd, SIOCGIWMODE, &wrq) < 0) { - if (errno != ENODEV) { - nm_log_warn (LOGD_HW | LOGD_WIFI, - "(%s): error %d getting card mode", - wext->parent.iface, errno); - } - return NM_802_11_MODE_UNKNOWN; - } - - switch (wrq.u.mode) { - case IW_MODE_ADHOC: - return NM_802_11_MODE_ADHOC; - case IW_MODE_MASTER: - return NM_802_11_MODE_AP; - case IW_MODE_INFRA: - return NM_802_11_MODE_INFRA; - default: - break; - } - return NM_802_11_MODE_UNKNOWN; -} - -static gboolean -wifi_wext_set_mode (WifiData *data, const NM80211Mode mode) -{ - WifiDataWext *wext = (WifiDataWext *) data; - struct iwreq wrq; - - if (wifi_wext_get_mode (data) == mode) - return TRUE; - - memset (&wrq, 0, sizeof (struct iwreq)); - switch (mode) { - case NM_802_11_MODE_ADHOC: - wrq.u.mode = IW_MODE_ADHOC; - break; - case NM_802_11_MODE_AP: - wrq.u.mode = IW_MODE_MASTER; - break; - case NM_802_11_MODE_INFRA: - wrq.u.mode = IW_MODE_INFRA; - break; - default: - g_warn_if_reached (); - return FALSE; - } - - strncpy (wrq.ifr_name, wext->parent.iface, IFNAMSIZ); - if (ioctl (wext->fd, SIOCSIWMODE, &wrq) < 0) { - if (errno != ENODEV) { - nm_log_err (LOGD_HW | LOGD_WIFI, "(%s): error setting mode %d", - wext->parent.iface, mode); - } - return FALSE; - } - - return TRUE; -} - -static guint32 -wifi_wext_get_freq (WifiData *data) -{ - WifiDataWext *wext = (WifiDataWext *) data; - struct iwreq wrq; - - memset (&wrq, 0, sizeof (struct iwreq)); - strncpy (wrq.ifr_name, wext->parent.iface, IFNAMSIZ); - if (ioctl (wext->fd, SIOCGIWFREQ, &wrq) < 0) { - nm_log_warn (LOGD_HW | LOGD_WIFI, - "(%s): error getting frequency: %s", - wext->parent.iface, strerror (errno)); - return 0; - } - - return iw_freq_to_uint32 (&wrq.u.freq); -} - -static guint32 -wifi_wext_find_freq (WifiData *data, const guint32 *freqs) -{ - WifiDataWext *wext = (WifiDataWext *) data; - int i; - - for (i = 0; i < wext->num_freqs; i++) { - while (*freqs) { - if (wext->freqs[i] == *freqs) - return *freqs; - freqs++; - } - } - return 0; -} - -static GByteArray * -wifi_wext_get_ssid (WifiData *data) -{ - WifiDataWext *wext = (WifiDataWext *) data; - struct iwreq wrq; - char ssid[IW_ESSID_MAX_SIZE + 2]; - guint32 len; - GByteArray *array = NULL; - - memset (ssid, 0, sizeof (ssid)); - wrq.u.essid.pointer = (caddr_t) &ssid; - wrq.u.essid.length = sizeof (ssid); - wrq.u.essid.flags = 0; - strncpy (wrq.ifr_name, wext->parent.iface, IFNAMSIZ); - - if (ioctl (wext->fd, SIOCGIWESSID, &wrq) < 0) { - nm_log_err (LOGD_HW | LOGD_WIFI, "(%s): couldn't get SSID: %d", - wext->parent.iface, errno); - return NULL; - } - - len = wrq.u.essid.length; - if (nm_utils_is_empty_ssid ((guint8 *) ssid, len) == FALSE) { - array = g_byte_array_sized_new (len); - g_byte_array_append (array, (const guint8 *) ssid, len); - } - - return array; -} - -static gboolean -wifi_wext_get_bssid (WifiData *data, struct ether_addr *out_bssid) -{ - WifiDataWext *wext = (WifiDataWext *) data; - struct iwreq wrq; - - memset (&wrq, 0, sizeof (wrq)); - strncpy (wrq.ifr_name, wext->parent.iface, IFNAMSIZ); - if (ioctl (wext->fd, SIOCGIWAP, &wrq) < 0) { - nm_log_warn (LOGD_HW | LOGD_WIFI, - "(%s): error getting associated BSSID: %s", - wext->parent.iface, strerror (errno)); - return FALSE; - } - memcpy (out_bssid->ether_addr_octet, &(wrq.u.ap_addr.sa_data), ETH_ALEN); - return TRUE; -} - -static guint32 -wifi_wext_get_rate (WifiData *data) -{ - WifiDataWext *wext = (WifiDataWext *) data; - struct iwreq wrq; - int err; - - memset (&wrq, 0, sizeof (wrq)); - strncpy (wrq.ifr_name, wext->parent.iface, IFNAMSIZ); - err = ioctl (wext->fd, SIOCGIWRATE, &wrq); - return ((err == 0) ? wrq.u.bitrate.value / 1000 : 0); -} - -static int -wext_qual_to_percent (const struct iw_quality *qual, - const struct iw_quality *max_qual) -{ - int percent = -1; - int level_percent = -1; - - g_return_val_if_fail (qual != NULL, -1); - g_return_val_if_fail (max_qual != NULL, -1); - - /* Magically convert the many different WEXT quality representations to a percentage */ - - nm_log_dbg (LOGD_WIFI, - "QL: qual %d/%u/0x%X, level %d/%u/0x%X, noise %d/%u/0x%X, updated: 0x%X ** MAX: qual %d/%u/0x%X, level %d/%u/0x%X, noise %d/%u/0x%X, updated: 0x%X", - (__s8) qual->qual, qual->qual, qual->qual, - (__s8) qual->level, qual->level, qual->level, - (__s8) qual->noise, qual->noise, qual->noise, - qual->updated, - (__s8) max_qual->qual, max_qual->qual, max_qual->qual, - (__s8) max_qual->level, max_qual->level, max_qual->level, - (__s8) max_qual->noise, max_qual->noise, max_qual->noise, - max_qual->updated); - - /* Try using the card's idea of the signal quality first as long as it tells us what the max quality is. - * Drivers that fill in quality values MUST treat them as percentages, ie the "Link Quality" MUST be - * bounded by 0 and max_qual->qual, and MUST change in a linear fashion. Within those bounds, drivers - * are free to use whatever they want to calculate "Link Quality". - */ - if ((max_qual->qual != 0) && !(max_qual->updated & IW_QUAL_QUAL_INVALID) && !(qual->updated & IW_QUAL_QUAL_INVALID)) - percent = (int)(100 * ((double)qual->qual / (double)max_qual->qual)); - - /* If the driver doesn't specify a complete and valid quality, we have two options: - * - * 1) dBm: driver must specify max_qual->level = 0, and have valid values for - * qual->level and (qual->noise OR max_qual->noise) - * 2) raw RSSI: driver must specify max_qual->level > 0, and have valid values for - * qual->level and max_qual->level - * - * This is the WEXT spec. If this interpretation is wrong, I'll fix it. Otherwise, - * If drivers don't conform to it, they are wrong and need to be fixed. - */ - - if ( (max_qual->level == 0) && !(max_qual->updated & IW_QUAL_LEVEL_INVALID) /* Valid max_qual->level == 0 */ - && !(qual->updated & IW_QUAL_LEVEL_INVALID) /* Must have valid qual->level */ - && ( ((max_qual->noise > 0) && !(max_qual->updated & IW_QUAL_NOISE_INVALID)) /* Must have valid max_qual->noise */ - || ((qual->noise > 0) && !(qual->updated & IW_QUAL_NOISE_INVALID))) /* OR valid qual->noise */ - ) { - /* Absolute power values (dBm) */ - - /* Reasonable fallbacks for dumb drivers that don't specify either level. */ - #define FALLBACK_NOISE_FLOOR_DBM -90 - #define FALLBACK_SIGNAL_MAX_DBM -20 - int max_level = FALLBACK_SIGNAL_MAX_DBM; - int noise = FALLBACK_NOISE_FLOOR_DBM; - int level = qual->level - 0x100; - - level = CLAMP (level, FALLBACK_NOISE_FLOOR_DBM, FALLBACK_SIGNAL_MAX_DBM); - - if ((qual->noise > 0) && !(qual->updated & IW_QUAL_NOISE_INVALID)) - noise = qual->noise - 0x100; - else if ((max_qual->noise > 0) && !(max_qual->updated & IW_QUAL_NOISE_INVALID)) - noise = max_qual->noise - 0x100; - noise = CLAMP (noise, FALLBACK_NOISE_FLOOR_DBM, FALLBACK_SIGNAL_MAX_DBM); - - /* A sort of signal-to-noise ratio calculation */ - level_percent = (int)(100 - 70 *( - ((double)max_level - (double)level) / - ((double)max_level - (double)noise))); - nm_log_dbg (LOGD_WIFI, "QL1: level_percent is %d. max_level %d, level %d, noise_floor %d.", - level_percent, max_level, level, noise); - } else if ( (max_qual->level != 0) - && !(max_qual->updated & IW_QUAL_LEVEL_INVALID) /* Valid max_qual->level as upper bound */ - && !(qual->updated & IW_QUAL_LEVEL_INVALID)) { - /* Relative power values (RSSI) */ - - int level = qual->level; - - /* Signal level is relavtive (0 -> max_qual->level) */ - level = CLAMP (level, 0, max_qual->level); - level_percent = (int)(100 * ((double)level / (double)max_qual->level)); - nm_log_dbg (LOGD_WIFI, "QL2: level_percent is %d. max_level %d, level %d.", - level_percent, max_qual->level, level); - } else if (percent == -1) { - nm_log_dbg (LOGD_WIFI, "QL: Could not get quality %% value from driver. Driver is probably buggy."); - } - - /* If the quality percent was 0 or doesn't exist, then try to use signal levels instead */ - if ((percent < 1) && (level_percent >= 0)) - percent = level_percent; - - nm_log_dbg (LOGD_WIFI, "QL: Final quality percent is %d (%d).", - percent, CLAMP (percent, 0, 100)); - return (CLAMP (percent, 0, 100)); -} - -static int -wifi_wext_get_qual (WifiData *data) -{ - WifiDataWext *wext = (WifiDataWext *) data; - struct iwreq wrq; - struct iw_statistics stats; - - memset (&stats, 0, sizeof (stats)); - wrq.u.data.pointer = &stats; - wrq.u.data.length = sizeof (stats); - wrq.u.data.flags = 1; /* Clear updated flag */ - strncpy (wrq.ifr_name, wext->parent.iface, IFNAMSIZ); - - if (ioctl (wext->fd, SIOCGIWSTATS, &wrq) < 0) { - nm_log_warn (LOGD_HW | LOGD_WIFI, - "(%s): error getting signal strength: %s", - wext->parent.iface, strerror (errno)); - return -1; - } - - return wext_qual_to_percent (&stats.qual, &wext->max_qual); -} - -/*********************/ -/* OLPC Mesh-only functions */ - -static guint32 -wifi_wext_get_mesh_channel (WifiData *data) -{ - WifiDataWext *wext = (WifiDataWext *) data; - guint32 freq; - int i; - - freq = wifi_utils_get_freq (data); - for (i = 0; i < wext->num_freqs; i++) { - if (freq == wext->freqs[i]) - return i + 1; - } - return 0; -} - -static gboolean -wifi_wext_set_mesh_channel (WifiData *data, guint32 channel) -{ - WifiDataWext *wext = (WifiDataWext *) data; - struct iwreq wrq; - - memset (&wrq, 0, sizeof (struct iwreq)); - strncpy (wrq.ifr_name, wext->parent.iface, IFNAMSIZ); - - if (channel > 0) { - wrq.u.freq.flags = IW_FREQ_FIXED; - wrq.u.freq.e = 0; - wrq.u.freq.m = channel; - } - - if (ioctl (wext->fd, SIOCSIWFREQ, &wrq) < 0) { - nm_log_err (LOGD_HW | LOGD_WIFI | LOGD_OLPC_MESH, - "(%s): error setting channel to %d: %s", - wext->parent.iface, channel, strerror (errno)); - return FALSE; - } - - return TRUE; -} - -static gboolean -wifi_wext_set_mesh_ssid (WifiData *data, const GByteArray *ssid) -{ - WifiDataWext *wext = (WifiDataWext *) data; - struct iwreq wrq; - guint32 len = 0; - char buf[IW_ESSID_MAX_SIZE + 1]; - - memset (buf, 0, sizeof (buf)); - if (ssid) { - len = ssid->len; - memcpy (buf, ssid->data, MIN (sizeof (buf) - 1, len)); - } - wrq.u.essid.pointer = (caddr_t) buf; - wrq.u.essid.length = len; - wrq.u.essid.flags = (len > 0) ? 1 : 0; /* 1=enable SSID, 0=disable/any */ - - strncpy (wrq.ifr_name, wext->parent.iface, IFNAMSIZ); - if (ioctl (wext->fd, SIOCSIWESSID, &wrq) == 0) - return TRUE; - - if (errno != ENODEV) { - nm_log_err (LOGD_HW | LOGD_WIFI | LOGD_OLPC_MESH, - "(%s): error setting SSID to '%s': %s", - wext->parent.iface, - ssid ? nm_utils_escape_ssid (ssid->data, ssid->len) : "(null)", - strerror (errno)); - } - - return FALSE; -} - -/*********************/ - -static gboolean -wext_can_scan (WifiDataWext *wext) -{ - struct iwreq wrq; - - memset (&wrq, 0, sizeof (struct iwreq)); - strncpy (wrq.ifr_name, wext->parent.iface, IFNAMSIZ); - if (ioctl (wext->fd, SIOCSIWSCAN, &wrq) < 0) { - if (errno == EOPNOTSUPP) - return FALSE; - } - return TRUE; -} - -static gboolean -wext_get_range (WifiDataWext *wext, - struct iw_range *range, - guint32 *response_len) -{ - int i = 26; - gboolean success = FALSE; - struct iwreq wrq; - - memset (&wrq, 0, sizeof (struct iwreq)); - strncpy (wrq.ifr_name, wext->parent.iface, IFNAMSIZ); - wrq.u.data.pointer = (caddr_t) range; - wrq.u.data.length = sizeof (struct iw_range); - - /* Need to give some drivers time to recover after suspend/resume - * (ex ipw3945 takes a few seconds to talk to its regulatory daemon; - * see rh bz#362421) - */ - while (i-- > 0) { - if (ioctl (wext->fd, SIOCGIWRANGE, &wrq) == 0) { - if (response_len) - *response_len = wrq.u.data.length; - success = TRUE; - break; - } else if (errno != EAGAIN) { - nm_log_err (LOGD_HW | LOGD_WIFI, - "(%s): couldn't get driver range information (%d).", - wext->parent.iface, errno); - break; - } - - g_usleep (G_USEC_PER_SEC / 4); - } - - if (i <= 0) { - nm_log_warn (LOGD_HW | LOGD_WIFI, - "(%s): driver took too long to respond to IWRANGE query.", - wext->parent.iface); - } - - return success; -} - -#define WPA_CAPS (NM_WIFI_DEVICE_CAP_CIPHER_TKIP | \ - NM_WIFI_DEVICE_CAP_CIPHER_CCMP | \ - NM_WIFI_DEVICE_CAP_WPA | \ - NM_WIFI_DEVICE_CAP_RSN) - -static guint32 -wext_get_caps (WifiDataWext *wext, struct iw_range *range) -{ - guint32 caps = NM_WIFI_DEVICE_CAP_NONE; - - g_return_val_if_fail (wext != NULL, NM_WIFI_DEVICE_CAP_NONE); - g_return_val_if_fail (range != NULL, NM_WIFI_DEVICE_CAP_NONE); - - /* All drivers should support WEP by default */ - caps |= NM_WIFI_DEVICE_CAP_CIPHER_WEP40 | NM_WIFI_DEVICE_CAP_CIPHER_WEP104; - - if (range->enc_capa & IW_ENC_CAPA_CIPHER_TKIP) - caps |= NM_WIFI_DEVICE_CAP_CIPHER_TKIP; - - if (range->enc_capa & IW_ENC_CAPA_CIPHER_CCMP) - caps |= NM_WIFI_DEVICE_CAP_CIPHER_CCMP; - - if (range->enc_capa & IW_ENC_CAPA_WPA) - caps |= NM_WIFI_DEVICE_CAP_WPA; - - if (range->enc_capa & IW_ENC_CAPA_WPA2) - caps |= NM_WIFI_DEVICE_CAP_RSN; - - /* Check for cipher support but not WPA support */ - if ( (caps & (NM_WIFI_DEVICE_CAP_CIPHER_TKIP | NM_WIFI_DEVICE_CAP_CIPHER_CCMP)) - && !(caps & (NM_WIFI_DEVICE_CAP_WPA | NM_WIFI_DEVICE_CAP_RSN))) { - nm_log_warn (LOGD_WIFI, "%s: device supports WPA ciphers but not WPA protocol; " - "WPA unavailable.", wext->parent.iface); - caps &= ~WPA_CAPS; - } - - /* Check for WPA support but not cipher support */ - if ( (caps & (NM_WIFI_DEVICE_CAP_WPA | NM_WIFI_DEVICE_CAP_RSN)) - && !(caps & (NM_WIFI_DEVICE_CAP_CIPHER_TKIP | NM_WIFI_DEVICE_CAP_CIPHER_CCMP))) { - nm_log_warn (LOGD_WIFI, "%s: device supports WPA protocol but not WPA ciphers; " - "WPA unavailable.", wext->parent.iface); - caps &= ~WPA_CAPS; - } - - /* There's no way to detect Ad-Hoc/AP mode support with WEXT - * (other than actually trying to do it), so just assume that - * Ad-Hoc is supported and AP isn't. - */ - caps |= NM_WIFI_DEVICE_CAP_ADHOC; - - return caps; -} - -WifiData * -wifi_wext_init (const char *iface, int ifindex, gboolean check_scan) -{ - WifiDataWext *wext; - struct iw_range range; - guint32 response_len = 0; - struct iw_range_with_scan_capa *scan_capa_range; - int i; - - wext = wifi_data_new (iface, ifindex, sizeof (*wext)); - wext->parent.get_mode = wifi_wext_get_mode; - wext->parent.set_mode = wifi_wext_set_mode; - wext->parent.get_freq = wifi_wext_get_freq; - wext->parent.find_freq = wifi_wext_find_freq; - wext->parent.get_ssid = wifi_wext_get_ssid; - wext->parent.get_bssid = wifi_wext_get_bssid; - wext->parent.get_rate = wifi_wext_get_rate; - wext->parent.get_qual = wifi_wext_get_qual; - wext->parent.deinit = wifi_wext_deinit; - wext->parent.get_mesh_channel = wifi_wext_get_mesh_channel; - wext->parent.set_mesh_channel = wifi_wext_set_mesh_channel; - wext->parent.set_mesh_ssid = wifi_wext_set_mesh_ssid; - - wext->fd = socket (PF_INET, SOCK_DGRAM, 0); - if (wext->fd < 0) - goto error; - - memset (&range, 0, sizeof (struct iw_range)); - if (wext_get_range (wext, &range, &response_len) == FALSE) { - nm_log_info (LOGD_HW | LOGD_WIFI, "(%s): driver WEXT range request failed", - wext->parent.iface); - goto error; - } - - if ((response_len < 300) || (range.we_version_compiled < 21)) { - nm_log_info (LOGD_HW | LOGD_WIFI, - "(%s): driver WEXT version too old (got %d, expected >= 21)", - wext->parent.iface, - range.we_version_compiled); - goto error; - } - - wext->max_qual.qual = range.max_qual.qual; - wext->max_qual.level = range.max_qual.level; - wext->max_qual.noise = range.max_qual.noise; - wext->max_qual.updated = range.max_qual.updated; - - wext->num_freqs = MIN (range.num_frequency, IW_MAX_FREQUENCIES); - for (i = 0; i < wext->num_freqs; i++) - wext->freqs[i] = iw_freq_to_uint32 (&range.freq[i]); - - /* Check for scanning capability; cards that can't scan are not supported */ - if (check_scan && (wext_can_scan (wext) == FALSE)) { - nm_log_info (LOGD_HW | LOGD_WIFI, - "(%s): drivers that cannot scan are unsupported", - wext->parent.iface); - goto error; - } - - /* Check for the ability to scan specific SSIDs. Until the scan_capa - * field gets added to wireless-tools, need to work around that by casting - * to the custom structure. - */ - scan_capa_range = (struct iw_range_with_scan_capa *) ⦥ - if (scan_capa_range->scan_capa & NM_IW_SCAN_CAPA_ESSID) { - wext->parent.can_scan_ssid = TRUE; - nm_log_info (LOGD_HW | LOGD_WIFI, - "(%s): driver supports SSID scans (scan_capa 0x%02X).", - wext->parent.iface, - scan_capa_range->scan_capa); - } else { - nm_log_info (LOGD_HW | LOGD_WIFI, - "(%s): driver does not support SSID scans (scan_capa 0x%02X).", - wext->parent.iface, - scan_capa_range->scan_capa); - } - - wext->parent.caps = wext_get_caps (wext, &range); - - nm_log_info (LOGD_HW | LOGD_WIFI, - "(%s): using WEXT for WiFi device control", - wext->parent.iface); - - return (WifiData *) wext; - -error: - wifi_utils_deinit ((WifiData *) wext); - return NULL; -} - -gboolean -wifi_wext_is_wifi (const char *iface) -{ - int fd; - struct iwreq iwr; - gboolean is_wifi = FALSE; - - fd = socket (PF_INET, SOCK_DGRAM, 0); - if (fd >= 0) { - strncpy (iwr.ifr_ifrn.ifrn_name, iface, IFNAMSIZ); - if (ioctl (fd, SIOCGIWNAME, &iwr) == 0) - is_wifi = TRUE; - close (fd); - } - return is_wifi; -} - diff --git a/src/wifi/wifi-utils-wext.h b/src/wifi/wifi-utils-wext.h deleted file mode 100644 index 96ad74eb..00000000 --- a/src/wifi/wifi-utils-wext.h +++ /dev/null @@ -1,30 +0,0 @@ -/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ -/* NetworkManager -- Network link manager - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Copyright (C) 2011 Red Hat, Inc. - */ - -#ifndef WIFI_UTILS_WEXT_H -#define WIFI_UTILS_WEXT_H - -#include "wifi-utils.h" - -WifiData *wifi_wext_init (const char *iface, int ifindex, gboolean check_scan); - -gboolean wifi_wext_is_wifi (const char *iface); - -#endif /* WIFI_UTILS_WEXT_H */ diff --git a/src/wifi/wifi-utils.c b/src/wifi/wifi-utils.c deleted file mode 100644 index fc491ec4..00000000 --- a/src/wifi/wifi-utils.c +++ /dev/null @@ -1,215 +0,0 @@ -/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ -/* NetworkManager -- Network link manager - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Copyright (C) 2005 - 2011 Red Hat, Inc. - * Copyright (C) 2006 - 2008 Novell, Inc. - */ - -#include <config.h> -#include <sys/stat.h> -#include <stdio.h> -#include <string.h> -#include <glib.h> - -#include "wifi-utils.h" -#include "wifi-utils-private.h" -#include "wifi-utils-nl80211.h" -#if HAVE_WEXT -#include "wifi-utils-wext.h" -#endif - -gpointer -wifi_data_new (const char *iface, int ifindex, gsize len) -{ - WifiData *data; - - data = g_malloc0 (len); - data->iface = g_strdup (iface); - data->ifindex = ifindex; - return data; -} - -void -wifi_data_free (WifiData *data) -{ - g_free (data->iface); - memset (data, 0, sizeof (*data)); - g_free (data); -} - -/***************************************************************/ - -WifiData * -wifi_utils_init (const char *iface, int ifindex, gboolean check_scan) -{ - WifiData *ret; - - g_return_val_if_fail (iface != NULL, NULL); - g_return_val_if_fail (ifindex > 0, NULL); - - ret = wifi_nl80211_init (iface, ifindex); - if (ret == NULL) { -#if HAVE_WEXT - ret = wifi_wext_init (iface, ifindex, check_scan); -#endif - } - return ret; -} - -NMDeviceWifiCapabilities -wifi_utils_get_caps (WifiData *data) -{ - g_return_val_if_fail (data != NULL, NM_WIFI_DEVICE_CAP_NONE); - - return data->caps; -} - -gboolean -wifi_utils_can_scan_ssid (WifiData *data) -{ - g_return_val_if_fail (data != NULL, FALSE); - return data->can_scan_ssid; -} - -NM80211Mode -wifi_utils_get_mode (WifiData *data) -{ - g_return_val_if_fail (data != NULL, NM_802_11_MODE_UNKNOWN); - return data->get_mode (data); -} - -gboolean -wifi_utils_set_mode (WifiData *data, const NM80211Mode mode) -{ - g_return_val_if_fail (data != NULL, FALSE); - g_return_val_if_fail ( (mode == NM_802_11_MODE_INFRA) - || (mode == NM_802_11_MODE_AP) - || (mode == NM_802_11_MODE_ADHOC), FALSE); - - /* nl80211 probably doesn't need this */ - return data->set_mode ? data->set_mode (data, mode) : TRUE; -} - -guint32 -wifi_utils_get_freq (WifiData *data) -{ - g_return_val_if_fail (data != NULL, 0); - return data->get_freq (data); -} - -guint32 -wifi_utils_find_freq (WifiData *data, const guint32 *freqs) -{ - g_return_val_if_fail (data != NULL, 0); - g_return_val_if_fail (freqs != NULL, 0); - return data->find_freq (data, freqs); -} - -GByteArray * -wifi_utils_get_ssid (WifiData *data) -{ - g_return_val_if_fail (data != NULL, NULL); - return data->get_ssid (data); -} - -gboolean -wifi_utils_get_bssid (WifiData *data, struct ether_addr *out_bssid) -{ - g_return_val_if_fail (data != NULL, FALSE); - g_return_val_if_fail (out_bssid != NULL, FALSE); - - memset (out_bssid, 0, sizeof (*out_bssid)); - return data->get_bssid (data, out_bssid); -} - -guint32 -wifi_utils_get_rate (WifiData *data) -{ - g_return_val_if_fail (data != NULL, 0); - return data->get_rate (data); -} - -int -wifi_utils_get_qual (WifiData *data) -{ - g_return_val_if_fail (data != NULL, 0); - return data->get_qual (data); -} - -void -wifi_utils_deinit (WifiData *data) -{ - g_return_if_fail (data != NULL); - data->deinit (data); - wifi_data_free (data); -} - -gboolean -wifi_utils_is_wifi (const char *iface, const char *sysfs_path) -{ - char phy80211_path[255]; - struct stat s; - - g_return_val_if_fail (iface != NULL, FALSE); - - if (sysfs_path) { - /* Check for nl80211 sysfs paths */ - snprintf (phy80211_path, sizeof (phy80211_path), "%s/phy80211", sysfs_path); - if ((stat (phy80211_path, &s) == 0 && (s.st_mode & S_IFDIR))) - return TRUE; - } - - if (wifi_nl80211_is_wifi (iface)) - return TRUE; - -#if HAVE_WEXT - if (wifi_wext_is_wifi (iface)) - return TRUE; -#endif - - return FALSE; -} - - -/* OLPC Mesh-only functions */ - -guint32 -wifi_utils_get_mesh_channel (WifiData *data) -{ - g_return_val_if_fail (data != NULL, FALSE); - g_return_val_if_fail (data->get_mesh_channel != NULL, FALSE); - return data->get_mesh_channel (data); -} - -gboolean -wifi_utils_set_mesh_channel (WifiData *data, guint32 channel) -{ - g_return_val_if_fail (data != NULL, FALSE); - g_return_val_if_fail (channel >= 0, FALSE); - g_return_val_if_fail (channel <= 13, FALSE); - g_return_val_if_fail (data->set_mesh_channel != NULL, FALSE); - return data->set_mesh_channel (data, channel); -} - -gboolean -wifi_utils_set_mesh_ssid (WifiData *data, const GByteArray *ssid) -{ - g_return_val_if_fail (data != NULL, FALSE); - g_return_val_if_fail (data->set_mesh_ssid != NULL, FALSE); - return data->set_mesh_ssid (data, ssid); -} - diff --git a/src/wifi/wifi-utils.h b/src/wifi/wifi-utils.h deleted file mode 100644 index 09583e7b..00000000 --- a/src/wifi/wifi-utils.h +++ /dev/null @@ -1,72 +0,0 @@ -/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ -/* NetworkManager -- Network link manager - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Copyright (C) 2005 - 2011 Red Hat, Inc. - * Copyright (C) 2006 - 2008 Novell, Inc. - */ - -#ifndef WIFI_UTILS_H -#define WIFI_UTILS_H - -#include <net/ethernet.h> -#include <glib.h> - -#include "NetworkManager.h" - -typedef struct WifiData WifiData; - -gboolean wifi_utils_is_wifi (const char *iface, const char *sysfs_path); - -WifiData *wifi_utils_init (const char *iface, int ifindex, gboolean check_scan); - -void wifi_utils_deinit (WifiData *data); - -NMDeviceWifiCapabilities wifi_utils_get_caps (WifiData *data); - -gboolean wifi_utils_can_scan_ssid (WifiData *data); - -NM80211Mode wifi_utils_get_mode (WifiData *data); - -gboolean wifi_utils_set_mode (WifiData *data, const NM80211Mode mode); - -/* Returns frequency in MHz */ -guint32 wifi_utils_get_freq (WifiData *data); - -/* Return the first supported frequency in the zero-terminated list */ -guint32 wifi_utils_find_freq (WifiData *data, const guint32 *freqs); - -/* Caller must free returned byte array */ -GByteArray *wifi_utils_get_ssid (WifiData *data); - -/* Caller must free returned byte array */ -gboolean wifi_utils_get_bssid (WifiData *data, struct ether_addr *out_bssid); - -/* Returns current bitrate in Kbps */ -guint32 wifi_utils_get_rate (WifiData *data); - -/* Returns quality 0 - 100% on succes, or -1 on error */ -int wifi_utils_get_qual (WifiData *data); - - -/* OLPC Mesh-only functions */ -guint32 wifi_utils_get_mesh_channel (WifiData *data); - -gboolean wifi_utils_set_mesh_channel (WifiData *data, guint32 channel); - -gboolean wifi_utils_set_mesh_ssid (WifiData *data, const GByteArray *ssid); - -#endif /* WIFI_UTILS_H */ |