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-rw-r--r--net/mac80211/Makefile1
-rw-r--r--net/mac80211/agg-rx.c6
-rw-r--r--net/mac80211/agg-tx.c5
-rw-r--r--net/mac80211/cfg.c45
-rw-r--r--net/mac80211/debugfs_netdev.c48
-rw-r--r--net/mac80211/ht.c6
-rw-r--r--net/mac80211/ibss.c888
-rw-r--r--net/mac80211/ieee80211_i.h117
-rw-r--r--net/mac80211/iface.c76
-rw-r--r--net/mac80211/key.c2
-rw-r--r--net/mac80211/main.c9
-rw-r--r--net/mac80211/mlme.c1646
-rw-r--r--net/mac80211/rx.c37
-rw-r--r--net/mac80211/scan.c43
-rw-r--r--net/mac80211/spectmgmt.c26
-rw-r--r--net/mac80211/tx.c11
-rw-r--r--net/mac80211/util.c176
-rw-r--r--net/mac80211/wext.c141
18 files changed, 1803 insertions, 1480 deletions
diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile
index 3503a3d21318..0e3ab88bb706 100644
--- a/net/mac80211/Makefile
+++ b/net/mac80211/Makefile
@@ -9,6 +9,7 @@ mac80211-y := \
wpa.o \
scan.o \
ht.o agg-tx.o agg-rx.o \
+ ibss.o \
mlme.o \
iface.o \
rate.o \
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 3112bfd441b6..a95affc94629 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -129,7 +129,6 @@ static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *d
u8 dialog_token, u16 status, u16 policy,
u16 buf_size, u16 timeout)
{
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
@@ -151,8 +150,9 @@ static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *d
if (sdata->vif.type == NL80211_IFTYPE_AP ||
sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
memcpy(mgmt->bssid, sdata->dev->dev_addr, ETH_ALEN);
- else
- memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
+ else if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
+
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_ACTION);
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 0217b68c47ca..1df116d4d6e7 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -49,7 +49,6 @@ static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata,
u16 agg_size, u16 timeout)
{
struct ieee80211_local *local = sdata->local;
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
u16 capab;
@@ -69,8 +68,8 @@ static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata,
if (sdata->vif.type == NL80211_IFTYPE_AP ||
sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
memcpy(mgmt->bssid, sdata->dev->dev_addr, ETH_ALEN);
- else
- memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
+ else if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_ACTION);
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index c8d969be440b..f453bb7c564b 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1180,45 +1180,45 @@ static int set_mgmt_extra_ie_sta(struct ieee80211_sub_if_data *sdata,
u8 subtype, u8 *ies, size_t ies_len)
{
struct ieee80211_local *local = sdata->local;
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
switch (subtype) {
case IEEE80211_STYPE_PROBE_REQ >> 4:
if (local->ops->hw_scan)
break;
- kfree(ifsta->ie_probereq);
- ifsta->ie_probereq = ies;
- ifsta->ie_probereq_len = ies_len;
+ kfree(ifmgd->ie_probereq);
+ ifmgd->ie_probereq = ies;
+ ifmgd->ie_probereq_len = ies_len;
return 0;
case IEEE80211_STYPE_PROBE_RESP >> 4:
- kfree(ifsta->ie_proberesp);
- ifsta->ie_proberesp = ies;
- ifsta->ie_proberesp_len = ies_len;
+ kfree(ifmgd->ie_proberesp);
+ ifmgd->ie_proberesp = ies;
+ ifmgd->ie_proberesp_len = ies_len;
return 0;
case IEEE80211_STYPE_AUTH >> 4:
- kfree(ifsta->ie_auth);
- ifsta->ie_auth = ies;
- ifsta->ie_auth_len = ies_len;
+ kfree(ifmgd->ie_auth);
+ ifmgd->ie_auth = ies;
+ ifmgd->ie_auth_len = ies_len;
return 0;
case IEEE80211_STYPE_ASSOC_REQ >> 4:
- kfree(ifsta->ie_assocreq);
- ifsta->ie_assocreq = ies;
- ifsta->ie_assocreq_len = ies_len;
+ kfree(ifmgd->ie_assocreq);
+ ifmgd->ie_assocreq = ies;
+ ifmgd->ie_assocreq_len = ies_len;
return 0;
case IEEE80211_STYPE_REASSOC_REQ >> 4:
- kfree(ifsta->ie_reassocreq);
- ifsta->ie_reassocreq = ies;
- ifsta->ie_reassocreq_len = ies_len;
+ kfree(ifmgd->ie_reassocreq);
+ ifmgd->ie_reassocreq = ies;
+ ifmgd->ie_reassocreq_len = ies_len;
return 0;
case IEEE80211_STYPE_DEAUTH >> 4:
- kfree(ifsta->ie_deauth);
- ifsta->ie_deauth = ies;
- ifsta->ie_deauth_len = ies_len;
+ kfree(ifmgd->ie_deauth);
+ ifmgd->ie_deauth = ies;
+ ifmgd->ie_deauth_len = ies_len;
return 0;
case IEEE80211_STYPE_DISASSOC >> 4:
- kfree(ifsta->ie_disassoc);
- ifsta->ie_disassoc = ies;
- ifsta->ie_disassoc_len = ies_len;
+ kfree(ifmgd->ie_disassoc);
+ ifmgd->ie_disassoc = ies;
+ ifmgd->ie_disassoc_len = ies_len;
return 0;
}
@@ -1248,7 +1248,6 @@ static int ieee80211_set_mgmt_extra_ie(struct wiphy *wiphy,
switch (sdata->vif.type) {
case NL80211_IFTYPE_STATION:
- case NL80211_IFTYPE_ADHOC:
ret = set_mgmt_extra_ie_sta(sdata, params->subtype,
ies, ies_len);
break;
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index c54219301724..e3420329f4e6 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -94,31 +94,31 @@ IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
IEEE80211_IF_FILE(force_unicast_rateidx, force_unicast_rateidx, DEC);
IEEE80211_IF_FILE(max_ratectrl_rateidx, max_ratectrl_rateidx, DEC);
-/* STA/IBSS attributes */
-IEEE80211_IF_FILE(state, u.sta.state, DEC);
-IEEE80211_IF_FILE(bssid, u.sta.bssid, MAC);
-IEEE80211_IF_FILE(prev_bssid, u.sta.prev_bssid, MAC);
-IEEE80211_IF_FILE(ssid_len, u.sta.ssid_len, SIZE);
-IEEE80211_IF_FILE(aid, u.sta.aid, DEC);
-IEEE80211_IF_FILE(ap_capab, u.sta.ap_capab, HEX);
-IEEE80211_IF_FILE(capab, u.sta.capab, HEX);
-IEEE80211_IF_FILE(extra_ie_len, u.sta.extra_ie_len, SIZE);
-IEEE80211_IF_FILE(auth_tries, u.sta.auth_tries, DEC);
-IEEE80211_IF_FILE(assoc_tries, u.sta.assoc_tries, DEC);
-IEEE80211_IF_FILE(auth_algs, u.sta.auth_algs, HEX);
-IEEE80211_IF_FILE(auth_alg, u.sta.auth_alg, DEC);
-IEEE80211_IF_FILE(auth_transaction, u.sta.auth_transaction, DEC);
+/* STA attributes */
+IEEE80211_IF_FILE(state, u.mgd.state, DEC);
+IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
+IEEE80211_IF_FILE(prev_bssid, u.mgd.prev_bssid, MAC);
+IEEE80211_IF_FILE(ssid_len, u.mgd.ssid_len, SIZE);
+IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
+IEEE80211_IF_FILE(ap_capab, u.mgd.ap_capab, HEX);
+IEEE80211_IF_FILE(capab, u.mgd.capab, HEX);
+IEEE80211_IF_FILE(extra_ie_len, u.mgd.extra_ie_len, SIZE);
+IEEE80211_IF_FILE(auth_tries, u.mgd.auth_tries, DEC);
+IEEE80211_IF_FILE(assoc_tries, u.mgd.assoc_tries, DEC);
+IEEE80211_IF_FILE(auth_algs, u.mgd.auth_algs, HEX);
+IEEE80211_IF_FILE(auth_alg, u.mgd.auth_alg, DEC);
+IEEE80211_IF_FILE(auth_transaction, u.mgd.auth_transaction, DEC);
static ssize_t ieee80211_if_fmt_flags(
const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
{
return scnprintf(buf, buflen, "%s%s%s%s%s%s%s\n",
- sdata->u.sta.flags & IEEE80211_STA_SSID_SET ? "SSID\n" : "",
- sdata->u.sta.flags & IEEE80211_STA_BSSID_SET ? "BSSID\n" : "",
- sdata->u.sta.flags & IEEE80211_STA_PREV_BSSID_SET ? "prev BSSID\n" : "",
- sdata->u.sta.flags & IEEE80211_STA_AUTHENTICATED ? "AUTH\n" : "",
- sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED ? "ASSOC\n" : "",
- sdata->u.sta.flags & IEEE80211_STA_PROBEREQ_POLL ? "PROBEREQ POLL\n" : "",
+ sdata->u.mgd.flags & IEEE80211_STA_SSID_SET ? "SSID\n" : "",
+ sdata->u.mgd.flags & IEEE80211_STA_BSSID_SET ? "BSSID\n" : "",
+ sdata->u.mgd.flags & IEEE80211_STA_PREV_BSSID_SET ? "prev BSSID\n" : "",
+ sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED ? "AUTH\n" : "",
+ sdata->u.mgd.flags & IEEE80211_STA_ASSOCIATED ? "ASSOC\n" : "",
+ sdata->u.mgd.flags & IEEE80211_STA_PROBEREQ_POLL ? "PROBEREQ POLL\n" : "",
sdata->vif.bss_conf.use_cts_prot ? "CTS prot\n" : "");
}
__IEEE80211_IF_FILE(flags);
@@ -283,9 +283,11 @@ static void add_files(struct ieee80211_sub_if_data *sdata)
#endif
break;
case NL80211_IFTYPE_STATION:
- case NL80211_IFTYPE_ADHOC:
add_sta_files(sdata);
break;
+ case NL80211_IFTYPE_ADHOC:
+ /* XXX */
+ break;
case NL80211_IFTYPE_AP:
add_ap_files(sdata);
break;
@@ -418,9 +420,11 @@ static void del_files(struct ieee80211_sub_if_data *sdata)
#endif
break;
case NL80211_IFTYPE_STATION:
- case NL80211_IFTYPE_ADHOC:
del_sta_files(sdata);
break;
+ case NL80211_IFTYPE_ADHOC:
+ /* XXX */
+ break;
case NL80211_IFTYPE_AP:
del_ap_files(sdata);
break;
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index 82ea0b63a386..69b6e9a4df3d 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -169,7 +169,6 @@ void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
u16 initiator, u16 reason_code)
{
struct ieee80211_local *local = sdata->local;
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
u16 params;
@@ -190,8 +189,9 @@ void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
if (sdata->vif.type == NL80211_IFTYPE_AP ||
sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
memcpy(mgmt->bssid, sdata->dev->dev_addr, ETH_ALEN);
- else
- memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
+ else if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
+
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_ACTION);
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
new file mode 100644
index 000000000000..1bbfc7029879
--- /dev/null
+++ b/net/mac80211/ibss.c
@@ -0,0 +1,888 @@
+/*
+ * IBSS mode implementation
+ * Copyright 2003-2008, Jouni Malinen <j@w1.fi>
+ * Copyright 2004, Instant802 Networks, Inc.
+ * Copyright 2005, Devicescape Software, Inc.
+ * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
+ * Copyright 2007, Michael Wu <flamingice@sourmilk.net>
+ * Copyright 2009, Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program 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.
+ */
+
+#include <linux/delay.h>
+#include <linux/if_ether.h>
+#include <linux/skbuff.h>
+#include <linux/if_arp.h>
+#include <linux/etherdevice.h>
+#include <linux/rtnetlink.h>
+#include <net/mac80211.h>
+#include <asm/unaligned.h>
+
+#include "ieee80211_i.h"
+#include "rate.h"
+
+#define IEEE80211_SCAN_INTERVAL (2 * HZ)
+#define IEEE80211_SCAN_INTERVAL_SLOW (15 * HZ)
+#define IEEE80211_IBSS_JOIN_TIMEOUT (7 * HZ)
+
+#define IEEE80211_IBSS_MERGE_INTERVAL (30 * HZ)
+#define IEEE80211_IBSS_INACTIVITY_LIMIT (60 * HZ)
+
+#define IEEE80211_IBSS_MAX_STA_ENTRIES 128
+
+
+static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgmt *mgmt,
+ size_t len)
+{
+ u16 auth_alg, auth_transaction, status_code;
+
+ if (len < 24 + 6)
+ return;
+
+ auth_alg = le16_to_cpu(mgmt->u.auth.auth_alg);
+ auth_transaction = le16_to_cpu(mgmt->u.auth.auth_transaction);
+ status_code = le16_to_cpu(mgmt->u.auth.status_code);
+
+ /*
+ * IEEE 802.11 standard does not require authentication in IBSS
+ * networks and most implementations do not seem to use it.
+ * However, try to reply to authentication attempts if someone
+ * has actually implemented this.
+ */
+ if (auth_alg == WLAN_AUTH_OPEN && auth_transaction == 1)
+ ieee80211_send_auth(sdata, 2, WLAN_AUTH_OPEN, NULL, 0,
+ sdata->u.ibss.bssid, 0);
+}
+
+static int __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
+ const u8 *bssid, const int beacon_int,
+ const int freq,
+ const size_t supp_rates_len,
+ const u8 *supp_rates,
+ const u16 capability)
+{
+ struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
+ struct ieee80211_local *local = sdata->local;
+ int res = 0, rates, i, j;
+ struct sk_buff *skb;
+ struct ieee80211_mgmt *mgmt;
+ u8 *pos;
+ struct ieee80211_supported_band *sband;
+ union iwreq_data wrqu;
+
+ if (local->ops->reset_tsf) {
+ /* Reset own TSF to allow time synchronization work. */
+ local->ops->reset_tsf(local_to_hw(local));
+ }
+
+ if ((ifibss->flags & IEEE80211_IBSS_PREV_BSSID_SET) &&
+ memcmp(ifibss->bssid, bssid, ETH_ALEN) == 0)
+ return res;
+
+ skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
+ if (!skb) {
+ printk(KERN_DEBUG "%s: failed to allocate buffer for probe "
+ "response\n", sdata->dev->name);
+ return -ENOMEM;
+ }
+
+ if (!(ifibss->flags & IEEE80211_IBSS_PREV_BSSID_SET)) {
+ /* Remove possible STA entries from other IBSS networks. */
+ sta_info_flush_delayed(sdata);
+ }
+
+ memcpy(ifibss->bssid, bssid, ETH_ALEN);
+ res = ieee80211_if_config(sdata, IEEE80211_IFCC_BSSID);
+ if (res)
+ return res;
+
+ local->hw.conf.beacon_int = beacon_int >= 10 ? beacon_int : 10;
+
+ sdata->drop_unencrypted = capability &
+ WLAN_CAPABILITY_PRIVACY ? 1 : 0;
+
+ res = ieee80211_set_freq(sdata, freq);
+
+ if (res)
+ return res;
+
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+
+ /* Build IBSS probe response */
+
+ skb_reserve(skb, local->hw.extra_tx_headroom);
+
+ mgmt = (struct ieee80211_mgmt *)
+ skb_put(skb, 24 + sizeof(mgmt->u.beacon));
+ memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon));
+ mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+ IEEE80211_STYPE_PROBE_RESP);
+ memset(mgmt->da, 0xff, ETH_ALEN);
+ memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
+ memcpy(mgmt->bssid, ifibss->bssid, ETH_ALEN);
+ mgmt->u.beacon.beacon_int =
+ cpu_to_le16(local->hw.conf.beacon_int);
+ mgmt->u.beacon.capab_info = cpu_to_le16(capability);
+
+ pos = skb_put(skb, 2 + ifibss->ssid_len);
+ *pos++ = WLAN_EID_SSID;
+ *pos++ = ifibss->ssid_len;
+ memcpy(pos, ifibss->ssid, ifibss->ssid_len);
+
+ rates = supp_rates_len;
+ if (rates > 8)
+ rates = 8;
+ pos = skb_put(skb, 2 + rates);
+ *pos++ = WLAN_EID_SUPP_RATES;
+ *pos++ = rates;
+ memcpy(pos, supp_rates, rates);
+
+ if (sband->band == IEEE80211_BAND_2GHZ) {
+ pos = skb_put(skb, 2 + 1);
+ *pos++ = WLAN_EID_DS_PARAMS;
+ *pos++ = 1;
+ *pos++ = ieee80211_frequency_to_channel(freq);
+ }
+
+ pos = skb_put(skb, 2 + 2);
+ *pos++ = WLAN_EID_IBSS_PARAMS;
+ *pos++ = 2;
+ /* FIX: set ATIM window based on scan results */
+ *pos++ = 0;
+ *pos++ = 0;
+
+ if (supp_rates_len > 8) {
+ rates = supp_rates_len - 8;
+ pos = skb_put(skb, 2 + rates);
+ *pos++ = WLAN_EID_EXT_SUPP_RATES;
+ *pos++ = rates;
+ memcpy(pos, &supp_rates[8], rates);
+ }
+
+ ifibss->probe_resp = skb;
+
+ ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON |
+ IEEE80211_IFCC_BEACON_ENABLED);
+
+
+ rates = 0;
+ for (i = 0; i < supp_rates_len; i++) {
+ int bitrate = (supp_rates[i] & 0x7f) * 5;
+ for (j = 0; j < sband->n_bitrates; j++)
+ if (sband->bitrates[j].bitrate == bitrate)
+ rates |= BIT(j);
+ }
+
+ ieee80211_sta_def_wmm_params(sdata, supp_rates_len, supp_rates);
+
+ ifibss->flags |= IEEE80211_IBSS_PREV_BSSID_SET;
+ ifibss->state = IEEE80211_IBSS_MLME_JOINED;
+ mod_timer(&ifibss->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL);
+
+ memset(&wrqu, 0, sizeof(wrqu));
+ memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
+ wireless_send_event(sdata->dev, SIOCGIWAP, &wrqu, NULL);
+
+ return res;
+}
+
+static int ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_bss *bss)
+{
+ return __ieee80211_sta_join_ibss(sdata,
+ bss->cbss.bssid,
+ bss->cbss.beacon_interval,
+ bss->cbss.channel->center_freq,
+ bss->supp_rates_len, bss->supp_rates,
+ bss->cbss.capability);
+}
+
+static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgmt *mgmt,
+ size_t len,
+ struct ieee80211_rx_status *rx_status,
+ struct ieee802_11_elems *elems,
+ bool beacon)
+{
+ struct ieee80211_local *local = sdata->local;
+ int freq;
+ struct ieee80211_bss *bss;
+ struct sta_info *sta;
+ struct ieee80211_channel *channel;
+ u64 beacon_timestamp, rx_timestamp;
+ u32 supp_rates = 0;
+ enum ieee80211_band band = rx_status->band;
+
+ if (elems->ds_params && elems->ds_params_len == 1)
+ freq = ieee80211_channel_to_frequency(elems->ds_params[0]);
+ else
+ freq = rx_status->freq;
+
+ channel = ieee80211_get_channel(local->hw.wiphy, freq);
+
+ if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
+ return;
+
+ if (sdata->vif.type == NL80211_IFTYPE_ADHOC && elems->supp_rates &&
+ memcmp(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN) == 0) {
+ supp_rates = ieee80211_sta_get_rates(local, elems, band);
+
+ rcu_read_lock();
+
+ sta = sta_info_get(local, mgmt->sa);
+ if (sta) {
+ u32 prev_rates;
+
+ prev_rates = sta->sta.supp_rates[band];
+ /* make sure mandatory rates are always added */
+ sta->sta.supp_rates[band] = supp_rates |
+ ieee80211_mandatory_rates(local, band);
+
+#ifdef CONFIG_MAC80211_IBSS_DEBUG
+ if (sta->sta.supp_rates[band] != prev_rates)
+ printk(KERN_DEBUG "%s: updated supp_rates set "
+ "for %pM based on beacon info (0x%llx | "
+ "0x%llx -> 0x%llx)\n",
+ sdata->dev->name,
+ sta->sta.addr,
+ (unsigned long long) prev_rates,
+ (unsigned long long) supp_rates,
+ (unsigned long long) sta->sta.supp_rates[band]);
+#endif
+ } else
+ ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa, supp_rates);
+
+ rcu_read_unlock();
+ }
+
+ bss = ieee80211_bss_info_update(local, rx_status, mgmt, len, elems,
+ channel, beacon);
+ if (!bss)
+ return;
+
+ /* was just updated in ieee80211_bss_info_update */
+ beacon_timestamp = bss->cbss.tsf;
+
+ /* check if we need to merge IBSS */
+
+ /* merge only on beacons (???) */
+ if (!beacon)
+ goto put_bss;
+
+ /* we use a fixed BSSID */
+ if (sdata->u.ibss.flags & IEEE80211_IBSS_BSSID_SET)
+ goto put_bss;
+
+ /* not an IBSS */
+ if (!(bss->cbss.capability & WLAN_CAPABILITY_IBSS))
+ goto put_bss;
+
+ /* different channel */
+ if (bss->cbss.channel != local->oper_channel)
+ goto put_bss;
+
+ /* different SSID */
+ if (elems->ssid_len != sdata->u.ibss.ssid_len ||
+ memcmp(elems->ssid, sdata->u.ibss.ssid,
+ sdata->u.ibss.ssid_len))
+ goto put_bss;
+
+ if (rx_status->flag & RX_FLAG_TSFT) {
+ /*
+ * For correct IBSS merging we need mactime; since mactime is
+ * defined as the time the first data symbol of the frame hits
+ * the PHY, and the timestamp of the beacon is defined as "the
+ * time that the data symbol containing the first bit of the
+ * timestamp is transmitted to the PHY plus the transmitting
+ * STA's delays through its local PHY from the MAC-PHY
+ * interface to its interface with the WM" (802.11 11.1.2)
+ * - equals the time this bit arrives at the receiver - we have
+ * to take into account the offset between the two.
+ *
+ * E.g. at 1 MBit that means mactime is 192 usec earlier
+ * (=24 bytes * 8 usecs/byte) than the beacon timestamp.
+ */
+ int rate;
+
+ if (rx_status->flag & RX_FLAG_HT)
+ rate = 65; /* TODO: HT rates */
+ else
+ rate = local->hw.wiphy->bands[band]->
+ bitrates[rx_status->rate_idx].bitrate;
+
+ rx_timestamp = rx_status->mactime + (24 * 8 * 10 / rate);
+ } else if (local && local->ops && local->ops->get_tsf)
+ /* second best option: get current TSF */
+ rx_timestamp = local->ops->get_tsf(local_to_hw(local));
+ else
+ /* can't merge without knowing the TSF */
+ rx_timestamp = -1LLU;
+
+#ifdef CONFIG_MAC80211_IBSS_DEBUG
+ printk(KERN_DEBUG "RX beacon SA=%pM BSSID="
+ "%pM TSF=0x%llx BCN=0x%llx diff=%lld @%lu\n",
+ mgmt->sa, mgmt->bssid,
+ (unsigned long long)rx_timestamp,
+ (unsigned long long)beacon_timestamp,
+ (unsigned long long)(rx_timestamp - beacon_timestamp),
+ jiffies);
+#endif
+
+ if (beacon_timestamp > rx_timestamp) {
+#ifdef CONFIG_MAC80211_IBSS_DEBUG
+ printk(KERN_DEBUG "%s: beacon TSF higher than "
+ "local TSF - IBSS merge with BSSID %pM\n",
+ sdata->dev->name, mgmt->bssid);
+#endif
+ ieee80211_sta_join_ibss(sdata, bss);
+ ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa, supp_rates);
+ }
+
+ put_bss:
+ ieee80211_rx_bss_put(local, bss);
+}
+
+/*
+ * Add a new IBSS station, will also be called by the RX code when,
+ * in IBSS mode, receiving a frame from a yet-unknown station, hence
+ * must be callable in atomic context.
+ */
+struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
+ u8 *bssid,u8 *addr, u32 supp_rates)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct sta_info *sta;
+ int band = local->hw.conf.channel->band;
+
+ /* TODO: Could consider removing the least recently used entry and
+ * allow new one to be added. */
+ if (local->num_sta >= IEEE80211_IBSS_MAX_STA_ENTRIES) {
+ if (net_ratelimit()) {
+ printk(KERN_DEBUG "%s: No room for a new IBSS STA "
+ "entry %pM\n", sdata->dev->name, addr);
+ }
+ return NULL;
+ }
+
+ if (compare_ether_addr(bssid, sdata->u.ibss.bssid))
+ return NULL;
+
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ printk(KERN_DEBUG "%s: Adding new IBSS station %pM (dev=%s)\n",
+ wiphy_name(local->hw.wiphy), addr, sdata->dev->name);
+#endif
+
+ sta = sta_info_alloc(sdata, addr, GFP_ATOMIC);
+ if (!sta)
+ return NULL;
+
+ set_sta_flags(sta, WLAN_STA_AUTHORIZED);
+
+ /* make sure mandatory rates are always added */
+ sta->sta.supp_rates[band] = supp_rates |
+ ieee80211_mandatory_rates(local, band);
+
+ rate_control_rate_init(sta);
+
+ if (sta_info_insert(sta))
+ return NULL;
+
+ return sta;
+}
+
+static int ieee80211_sta_active_ibss(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+ int active = 0;
+ struct sta_info *sta;
+
+ rcu_read_lock();
+
+ list_for_each_entry_rcu(sta, &local->sta_list, list) {
+ if (sta->sdata == sdata &&
+ time_after(sta->last_rx + IEEE80211_IBSS_MERGE_INTERVAL,
+ jiffies)) {
+ active++;
+ break;
+ }
+ }
+
+ rcu_read_unlock();
+
+ return active;
+}
+
+
+static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
+
+ mod_timer(&ifibss->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL);
+
+ ieee80211_sta_expire(sdata, IEEE80211_IBSS_INACTIVITY_LIMIT);
+ if (ieee80211_sta_active_ibss(sdata))
+ return;
+
+ if ((ifibss->flags & IEEE80211_IBSS_BSSID_SET) &&
+ (!(ifibss->flags & IEEE80211_IBSS_AUTO_CHANNEL_SEL)))
+ return;
+
+ printk(KERN_DEBUG "%s: No active IBSS STAs - trying to scan for other "
+ "IBSS networks with same SSID (merge)\n", sdata->dev->name);
+
+ /* XXX maybe racy? */
+ if (sdata->local->scan_req)
+ return;
+
+ memcpy(sdata->local->int_scan_req.ssids[0].ssid,
+ ifibss->ssid, IEEE80211_MAX_SSID_LEN);
+ sdata->local->int_scan_req.ssids[0].ssid_len = ifibss->ssid_len;
+ ieee80211_request_scan(sdata, &sdata->local->int_scan_req);
+}
+
+static int ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_supported_band *sband;
+ u8 *pos;
+ u8 bssid[ETH_ALEN];
+ u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
+ u16 capability;
+ int i;
+
+ if (ifibss->flags & IEEE80211_IBSS_BSSID_SET) {
+ memcpy(bssid, ifibss->bssid, ETH_ALEN);
+ } else {
+ /* Generate random, not broadcast, locally administered BSSID. Mix in
+ * own MAC address to make sure that devices that do not have proper
+ * random number generator get different BSSID. */
+ get_random_bytes(bssid, ETH_ALEN);
+ for (i = 0; i < ETH_ALEN; i++)
+ bssid[i] ^= sdata->dev->dev_addr[i];
+ bssid[0] &= ~0x01;
+ bssid[0] |= 0x02;
+ }
+
+ printk(KERN_DEBUG "%s: Creating new IBSS network, BSSID %pM\n",
+ sdata->dev->name, bssid);
+
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+
+ if (local->hw.conf.beacon_int == 0)
+ local->hw.conf.beacon_int = 100;
+
+ capability = WLAN_CAPABILITY_IBSS;
+
+ if (sdata->default_key)
+ capability |= WLAN_CAPABILITY_PRIVACY;
+ else
+ sdata->drop_unencrypted = 0;
+
+ pos = supp_rates;
+ for (i = 0; i < sband->n_bitrates; i++) {
+ int rate = sband->bitrates[i].bitrate;
+ *pos++ = (u8) (rate / 5);
+ }
+
+ return __ieee80211_sta_join_ibss(sdata,
+ bssid, local->hw.conf.beacon_int,
+ local->hw.conf.channel->center_freq,
+ sband->n_bitrates, supp_rates,
+ capability);
+}
+
+static int ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_bss *bss;
+ const u8 *bssid = NULL;
+ int active_ibss;
+
+ if (ifibss->ssid_len == 0)
+ return -EINVAL;
+
+ active_ibss = ieee80211_sta_active_ibss(sdata);
+#ifdef CONFIG_MAC80211_IBSS_DEBUG
+ printk(KERN_DEBUG "%s: sta_find_ibss (active_ibss=%d)\n",
+ sdata->dev->name, active_ibss);
+#endif /* CONFIG_MAC80211_IBSS_DEBUG */
+
+ if (active_ibss)
+ return 0;
+
+ if (ifibss->flags & IEEE80211_IBSS_BSSID_SET)
+ bssid = ifibss->bssid;
+ bss = (void *)cfg80211_get_bss(local->hw.wiphy, NULL, bssid,
+ ifibss->ssid, ifibss->ssid_len,
+ WLAN_CAPABILITY_IBSS,
+ WLAN_CAPABILITY_IBSS);
+
+#ifdef CONFIG_MAC80211_IBSS_DEBUG
+ if (bss)
+ printk(KERN_DEBUG " sta_find_ibss: selected %pM current "
+ "%pM\n", bss->cbss.bssid, ifibss->bssid);
+#endif /* CONFIG_MAC80211_IBSS_DEBUG */
+
+ if (bss &&
+ (!(ifibss->flags & IEEE80211_IBSS_PREV_BSSID_SET) ||
+ memcmp(ifibss->bssid, bss->cbss.bssid, ETH_ALEN))) {
+ int ret;
+
+ printk(KERN_DEBUG "%s: Selected IBSS BSSID %pM"
+ " based on configured SSID\n",
+ sdata->dev->name, bss->cbss.bssid);
+
+ ret = ieee80211_sta_join_ibss(sdata, bss);
+ ieee80211_rx_bss_put(local, bss);
+ return ret;
+ } else if (bss)
+ ieee80211_rx_bss_put(local, bss);
+
+#ifdef CONFIG_MAC80211_IBSS_DEBUG
+ printk(KERN_DEBUG " did not try to join ibss\n");
+#endif /* CONFIG_MAC80211_IBSS_DEBUG */
+
+ /* Selected IBSS not found in current scan results - try to scan */
+ if (ifibss->state == IEEE80211_IBSS_MLME_JOINED &&
+ !ieee80211_sta_active_ibss(sdata)) {
+ mod_timer(&ifibss->timer, jiffies +
+ IEEE80211_IBSS_MERGE_INTERVAL);
+ } else if (time_after(jiffies, local->last_scan_completed +
+ IEEE80211_SCAN_INTERVAL)) {
+ printk(KERN_DEBUG "%s: Trigger new scan to find an IBSS to "
+ "join\n", sdata->dev->name);
+
+ /* XXX maybe racy? */
+ if (local->scan_req)
+ return -EBUSY;
+
+ memcpy(local->int_scan_req.ssids[0].ssid,
+ ifibss->ssid, IEEE80211_MAX_SSID_LEN);
+ local->int_scan_req.ssids[0].ssid_len = ifibss->ssid_len;
+ return ieee80211_request_scan(sdata, &local->int_scan_req);
+ } else if (ifibss->state != IEEE80211_IBSS_MLME_JOINED) {
+ int interval = IEEE80211_SCAN_INTERVAL;
+
+ if (time_after(jiffies, ifibss->ibss_join_req +
+ IEEE80211_IBSS_JOIN_TIMEOUT)) {
+ if (!(local->oper_channel->flags &
+ IEEE80211_CHAN_NO_IBSS))
+ return ieee80211_sta_create_ibss(sdata);
+ printk(KERN_DEBUG "%s: IBSS not allowed on"
+ " %d MHz\n", sdata->dev->name,
+ local->hw.conf.channel->center_freq);
+
+ /* No IBSS found - decrease scan interval and continue
+ * scanning. */
+ interval = IEEE80211_SCAN_INTERVAL_SLOW;
+ }
+
+ ifibss->state = IEEE80211_IBSS_MLME_SEARCH;
+ mod_timer(&ifibss->timer, jiffies + interval);
+ return 0;
+ }
+
+ return 0;
+}
+
+static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgmt *mgmt,
+ size_t len)
+{
+ struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
+ struct ieee80211_local *local = sdata->local;
+ int tx_last_beacon;
+ struct sk_buff *skb;
+ struct ieee80211_mgmt *resp;
+ u8 *pos, *end;
+
+ if (ifibss->state != IEEE80211_IBSS_MLME_JOINED ||
+ len < 24 + 2 || !ifibss->probe_resp)
+ return;
+
+ if (local->ops->tx_last_beacon)
+ tx_last_beacon = local->ops->tx_last_beacon(local_to_hw(local));
+ else
+ tx_last_beacon = 1;
+
+#ifdef CONFIG_MAC80211_IBSS_DEBUG
+ printk(KERN_DEBUG "%s: RX ProbeReq SA=%pM DA=%pM BSSID=%pM"
+ " (tx_last_beacon=%d)\n",
+ sdata->dev->name, mgmt->sa, mgmt->da,
+ mgmt->bssid, tx_last_beacon);
+#endif /* CONFIG_MAC80211_IBSS_DEBUG */
+
+ if (!tx_last_beacon)
+ return;
+
+ if (memcmp(mgmt->bssid, ifibss->bssid, ETH_ALEN) != 0 &&
+ memcmp(mgmt->bssid, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) != 0)
+ return;
+
+ end = ((u8 *) mgmt) + len;
+ pos = mgmt->u.probe_req.variable;
+ if (pos[0] != WLAN_EID_SSID ||
+ pos + 2 + pos[1] > end) {
+#ifdef CONFIG_MAC80211_IBSS_DEBUG
+ printk(KERN_DEBUG "%s: Invalid SSID IE in ProbeReq "
+ "from %pM\n",
+ sdata->dev->name, mgmt->sa);
+#endif
+ return;
+ }
+ if (pos[1] != 0 &&
+ (pos[1] != ifibss->ssid_len ||
+ memcmp(pos + 2, ifibss->ssid, ifibss->ssid_len) != 0)) {
+ /* Ignore ProbeReq for foreign SSID */
+ return;
+ }
+
+ /* Reply with ProbeResp */
+ skb = skb_copy(ifibss->probe_resp, GFP_KERNEL);
+ if (!skb)
+ return;
+
+ resp = (struct ieee80211_mgmt *) skb->data;
+ memcpy(resp->da, mgmt->sa, ETH_ALEN);
+#ifdef CONFIG_MAC80211_IBSS_DEBUG
+ printk(KERN_DEBUG "%s: Sending ProbeResp to %pM\n",
+ sdata->dev->name, resp->da);
+#endif /* CONFIG_MAC80211_IBSS_DEBUG */
+ ieee80211_tx_skb(sdata, skb, 0);
+}
+
+static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgmt *mgmt,
+ size_t len,
+ struct ieee80211_rx_status *rx_status)
+{
+ size_t baselen;
+ struct ieee802_11_elems elems;
+
+ if (memcmp(mgmt->da, sdata->dev->dev_addr, ETH_ALEN))
+ return; /* ignore ProbeResp to foreign address */
+
+ baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
+ if (baselen > len)
+ return;
+
+ ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
+ &elems);
+
+ ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, false);
+}
+
+static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_mgmt *mgmt,
+ size_t len,
+ struct ieee80211_rx_status *rx_status)
+{
+ size_t baselen;
+ struct ieee802_11_elems elems;
+
+ /* Process beacon from the current BSS */
+ baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt;
+ if (baselen > len)
+ return;
+
+ ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, &elems);
+
+ ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, true);
+}
+
+static void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
+{
+ struct ieee80211_rx_status *rx_status;
+ struct ieee80211_mgmt *mgmt;
+ u16 fc;
+
+ rx_status = (struct ieee80211_rx_status *) skb->cb;
+ mgmt = (struct ieee80211_mgmt *) skb->data;
+ fc = le16_to_cpu(mgmt->frame_control);
+
+ switch (fc & IEEE80211_FCTL_STYPE) {
+ case IEEE80211_STYPE_PROBE_REQ:
+ ieee80211_rx_mgmt_probe_req(sdata, mgmt, skb->len);
+ break;
+ case IEEE80211_STYPE_PROBE_RESP:
+ ieee80211_rx_mgmt_probe_resp(sdata, mgmt, skb->len,
+ rx_status);
+ break;
+ case IEEE80211_STYPE_BEACON:
+ ieee80211_rx_mgmt_beacon(sdata, mgmt, skb->len,
+ rx_status);
+ break;
+ case IEEE80211_STYPE_AUTH:
+ ieee80211_rx_mgmt_auth_ibss(sdata, mgmt, skb->len);
+ break;
+ }
+
+ kfree_skb(skb);
+}
+
+static void ieee80211_ibss_work(struct work_struct *work)
+{
+ struct ieee80211_sub_if_data *sdata =
+ container_of(work, struct ieee80211_sub_if_data, u.ibss.work);
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_if_ibss *ifibss;
+ struct sk_buff *skb;
+
+ if (!netif_running(sdata->dev))
+ return;
+
+ if (local->sw_scanning || local->hw_scanning)
+ return;
+
+ if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_ADHOC))
+ return;
+ ifibss = &sdata->u.ibss;
+
+ while ((skb = skb_dequeue(&ifibss->skb_queue)))
+ ieee80211_ibss_rx_queued_mgmt(sdata, skb);
+
+ if (!test_and_clear_bit(IEEE80211_IBSS_REQ_RUN, &ifibss->request))
+ return;
+
+ switch (ifibss->state) {
+ case IEEE80211_IBSS_MLME_SEARCH:
+ ieee80211_sta_find_ibss(sdata);
+ break;
+ case IEEE80211_IBSS_MLME_JOINED:
+ ieee80211_sta_merge_ibss(sdata);
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
+}
+
+static void ieee80211_ibss_timer(unsigned long data)
+{
+ struct ieee80211_sub_if_data *sdata =
+ (struct ieee80211_sub_if_data *) data;
+ struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
+ struct ieee80211_local *local = sdata->local;
+
+ set_bit(IEEE80211_IBSS_REQ_RUN, &ifibss->request);
+ queue_work(local->hw.workqueue, &ifibss->work);
+}
+
+void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
+
+ INIT_WORK(&ifibss->work, ieee80211_ibss_work);
+ setup_timer(&ifibss->timer, ieee80211_ibss_timer,
+ (unsigned long) sdata);
+ skb_queue_head_init(&ifibss->skb_queue);
+
+ ifibss->flags |= IEEE80211_IBSS_AUTO_BSSID_SEL |
+ IEEE80211_IBSS_AUTO_CHANNEL_SEL;
+}
+
+int ieee80211_ibss_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len)
+{
+ struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
+
+ if (len > IEEE80211_MAX_SSID_LEN)
+ return -EINVAL;
+
+ if (ifibss->ssid_len != len || memcmp(ifibss->ssid, ssid, len) != 0) {
+ memset(ifibss->ssid, 0, sizeof(ifibss->ssid));
+ memcpy(ifibss->ssid, ssid, len);
+ ifibss->ssid_len = len;
+ }
+
+ ifibss->flags &= ~IEEE80211_IBSS_PREV_BSSID_SET;
+
+ if (len)
+ ifibss->flags |= IEEE80211_IBSS_SSID_SET;
+ else
+ ifibss->flags &= ~IEEE80211_IBSS_SSID_SET;
+
+ ifibss->ibss_join_req = jiffies;
+ ifibss->state = IEEE80211_IBSS_MLME_SEARCH;
+ return ieee80211_sta_find_ibss(sdata);
+}
+
+int ieee80211_ibss_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len)
+{
+ struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
+
+ memcpy(ssid, ifibss->ssid, ifibss->ssid_len);
+ *len = ifibss->ssid_len;
+
+ return 0;
+}
+
+int ieee80211_ibss_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid)
+{
+ struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
+
+ if (is_valid_ether_addr(bssid)) {
+ memcpy(ifibss->bssid, bssid, ETH_ALEN);
+ ifibss->flags |= IEEE80211_IBSS_BSSID_SET;
+ } else {
+ memset(ifibss->bssid, 0, ETH_ALEN);
+ ifibss->flags &= ~IEEE80211_IBSS_BSSID_SET;
+ }
+
+ if (netif_running(sdata->dev)) {
+ if (ieee80211_if_config(sdata, IEEE80211_IFCC_BSSID)) {
+ printk(KERN_DEBUG "%s: Failed to config new BSSID to "
+ "the low-level driver\n", sdata->dev->name);
+ }
+ }
+
+ return ieee80211_ibss_set_ssid(sdata, ifibss->ssid, ifibss->ssid_len);
+}
+
+/* scan finished notification */
+void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local)
+{
+ struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+ struct ieee80211_if_ibss *ifibss;
+
+ if (sdata && sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ ifibss = &sdata->u.ibss;
+ if ((!(ifibss->flags & IEEE80211_IBSS_PREV_BSSID_SET)) ||
+ !ieee80211_sta_active_ibss(sdata))
+ ieee80211_sta_find_ibss(sdata);
+ }
+}
+
+ieee80211_rx_result
+ieee80211_ibss_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
+ struct ieee80211_rx_status *rx_status)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_mgmt *mgmt;
+ u16 fc;
+
+ if (skb->len < 24)
+ return RX_DROP_MONITOR;
+
+ mgmt = (struct ieee80211_mgmt *) skb->data;
+ fc = le16_to_cpu(mgmt->frame_control);
+
+ switch (fc & IEEE80211_FCTL_STYPE) {
+ case IEEE80211_STYPE_PROBE_RESP:
+ case IEEE80211_STYPE_BEACON:
+ memcpy(skb->cb, rx_status, sizeof(*rx_status));
+ case IEEE80211_STYPE_PROBE_REQ:
+ case IEEE80211_STYPE_AUTH:
+ skb_queue_tail(&sdata->u.ibss.skb_queue, skb);
+ queue_work(local->hw.workqueue, &sdata->u.ibss.work);
+ return RX_QUEUED;
+ }
+
+ return RX_DROP_MONITOR;
+}
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index e2bbd3f11797..27d56414019d 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -239,7 +239,7 @@ struct mesh_preq_queue {
u8 flags;
};
-/* flags used in struct ieee80211_if_sta.flags */
+/* flags used in struct ieee80211_if_managed.flags */
#define IEEE80211_STA_SSID_SET BIT(0)
#define IEEE80211_STA_BSSID_SET BIT(1)
#define IEEE80211_STA_PREV_BSSID_SET BIT(2)
@@ -262,31 +262,30 @@ struct mesh_preq_queue {
#define IEEE80211_STA_REQ_AUTH 2
#define IEEE80211_STA_REQ_RUN 3
-/* STA/IBSS MLME states */
-enum ieee80211_sta_mlme_state {
- IEEE80211_STA_MLME_DISABLED,
- IEEE80211_STA_MLME_DIRECT_PROBE,
- IEEE80211_STA_MLME_AUTHENTICATE,
- IEEE80211_STA_MLME_ASSOCIATE,
- IEEE80211_STA_MLME_ASSOCIATED,
- IEEE80211_STA_MLME_IBSS_SEARCH,
- IEEE80211_STA_MLME_IBSS_JOINED,
-};
-
/* bitfield of allowed auth algs */
#define IEEE80211_AUTH_ALG_OPEN BIT(0)
#define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1)
#define IEEE80211_AUTH_ALG_LEAP BIT(2)
-struct ieee80211_if_sta {
+struct ieee80211_if_managed {
struct timer_list timer;
struct timer_list chswitch_timer;
struct work_struct work;
struct work_struct chswitch_work;
+
u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
+
u8 ssid[IEEE80211_MAX_SSID_LEN];
- enum ieee80211_sta_mlme_state state;
size_t ssid_len;
+
+ enum {
+ IEEE80211_STA_MLME_DISABLED,
+ IEEE80211_STA_MLME_DIRECT_PROBE,
+ IEEE80211_STA_MLME_AUTHENTICATE,
+ IEEE80211_STA_MLME_ASSOCIATE,
+ IEEE80211_STA_MLME_ASSOCIATED,
+ } state;
+
u16 aid;
u16 ap_capab, capab;
u8 *extra_ie; /* to be added to the end of AssocReq */
@@ -319,10 +318,6 @@ struct ieee80211_if_sta {
IEEE80211_MFP_REQUIRED
} mfp; /* management frame protection */
- unsigned long ibss_join_req;
- struct sk_buff *probe_resp; /* ProbeResp template for IBSS */
- u32 supp_rates_bits[IEEE80211_NUM_BANDS];
-
int wmm_last_param_set;
/* Extra IE data for management frames */
@@ -342,6 +337,42 @@ struct ieee80211_if_sta {
size_t ie_disassoc_len;
};
+enum ieee80211_ibss_flags {
+ IEEE80211_IBSS_AUTO_CHANNEL_SEL = BIT(0),
+ IEEE80211_IBSS_AUTO_BSSID_SEL = BIT(1),
+ IEEE80211_IBSS_BSSID_SET = BIT(2),
+ IEEE80211_IBSS_PREV_BSSID_SET = BIT(3),
+ IEEE80211_IBSS_SSID_SET = BIT(4),
+};
+
+enum ieee80211_ibss_request {
+ IEEE80211_IBSS_REQ_RUN = 0,
+};
+
+struct ieee80211_if_ibss {
+ struct timer_list timer;
+ struct work_struct work;
+
+ struct sk_buff_head skb_queue;
+
+ u8 ssid[IEEE80211_MAX_SSID_LEN];
+ u8 ssid_len;
+
+ u32 flags;
+
+ u8 bssid[ETH_ALEN];
+
+ unsigned long request;
+
+ unsigned long ibss_join_req;
+ struct sk_buff *probe_resp; /* ProbeResp template for IBSS */
+
+ enum {
+ IEEE80211_IBSS_MLME_SEARCH,
+ IEEE80211_IBSS_MLME_JOINED,
+ } state;
+};
+
struct ieee80211_if_mesh {
struct work_struct work;
struct timer_list housekeeping_timer;
@@ -445,7 +476,8 @@ struct ieee80211_sub_if_data {
struct ieee80211_if_ap ap;
struct ieee80211_if_wds wds;
struct ieee80211_if_vlan vlan;
- struct ieee80211_if_sta sta;
+ struct ieee80211_if_managed mgd;
+ struct ieee80211_if_ibss ibss;
#ifdef CONFIG_MAC80211_MESH
struct ieee80211_if_mesh mesh;
#endif
@@ -892,34 +924,39 @@ void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
u32 changed);
void ieee80211_configure_filter(struct ieee80211_local *local);
+u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
/* wireless extensions */
extern const struct iw_handler_def ieee80211_iw_handler_def;
-/* STA/IBSS code */
+/* STA code */
void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
-void ieee80211_scan_work(struct work_struct *work);
-void ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
- struct ieee80211_rx_status *rx_status);
+ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb,
+ struct ieee80211_rx_status *rx_status);
int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len);
int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len);
int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid);
-void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta);
-struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
- u8 *bssid, u8 *addr, u32 supp_rates);
+void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata);
int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason);
int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason);
-u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
-u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
- struct ieee802_11_elems *elems,
- enum ieee80211_band band);
-void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
- u8 *ssid, size_t ssid_len);
void ieee80211_send_pspoll(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata);
+/* IBSS code */
+int ieee80211_ibss_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len);
+int ieee80211_ibss_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len);
+int ieee80211_ibss_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid);
+void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local);
+void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata);
+ieee80211_rx_result
+ieee80211_ibss_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
+ struct ieee80211_rx_status *rx_status);
+struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
+ u8 *bssid, u8 *addr, u32 supp_rates);
+
/* scan/BSS handling */
+void ieee80211_scan_work(struct work_struct *work);
int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
struct cfg80211_scan_request *req);
int ieee80211_scan_results(struct ieee80211_local *local,
@@ -1051,6 +1088,20 @@ void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,
enum queue_stop_reason reason);
+void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
+ u16 transaction, u16 auth_alg,
+ u8 *extra, size_t extra_len,
+ const u8 *bssid, int encrypt);
+void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
+ u8 *ssid, size_t ssid_len);
+
+void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
+ const size_t supp_rates_len,
+ const u8 *supp_rates);
+u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
+ struct ieee802_11_elems *elems,
+ enum ieee80211_band band);
+
#ifdef CONFIG_MAC80211_NOINLINE
#define debug_noinline noinline
#else
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index e8221180b6c1..2acc416e77e1 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -236,7 +236,10 @@ static int ieee80211_open(struct net_device *dev)
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
- sdata->u.sta.flags &= ~IEEE80211_STA_PREV_BSSID_SET;
+ if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ sdata->u.mgd.flags &= ~IEEE80211_STA_PREV_BSSID_SET;
+ else
+ sdata->u.ibss.flags &= ~IEEE80211_IBSS_PREV_BSSID_SET;
/* fall through */
default:
conf.vif = &sdata->vif;
@@ -321,11 +324,10 @@ static int ieee80211_open(struct net_device *dev)
* yet be effective. Trigger execution of ieee80211_sta_work
* to fix this.
*/
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC) {
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
- queue_work(local->hw.workqueue, &ifsta->work);
- }
+ if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ queue_work(local->hw.workqueue, &sdata->u.mgd.work);
+ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
+ queue_work(local->hw.workqueue, &sdata->u.ibss.work);
netif_tx_start_all_queues(dev);
@@ -452,15 +454,13 @@ static int ieee80211_stop(struct net_device *dev)
netif_addr_unlock_bh(local->mdev);
break;
case NL80211_IFTYPE_STATION:
- case NL80211_IFTYPE_ADHOC:
/* Announce that we are leaving the network. */
- if (sdata->u.sta.state != IEEE80211_STA_MLME_DISABLED)
+ if (sdata->u.mgd.state != IEEE80211_STA_MLME_DISABLED)
ieee80211_sta_deauthenticate(sdata,
WLAN_REASON_DEAUTH_LEAVING);
-
- memset(sdata->u.sta.bssid, 0, ETH_ALEN);
- del_timer_sync(&sdata->u.sta.chswitch_timer);
- del_timer_sync(&sdata->u.sta.timer);
+ memset(sdata->u.mgd.bssid, 0, ETH_ALEN);
+ del_timer_sync(&sdata->u.mgd.chswitch_timer);
+ del_timer_sync(&sdata->u.mgd.timer);
/*
* If the timer fired while we waited for it, it will have
* requeued the work. Now the work will be running again
@@ -468,8 +468,8 @@ static int ieee80211_stop(struct net_device *dev)
* whether the interface is running, which, at this point,
* it no longer is.
*/
- cancel_work_sync(&sdata->u.sta.work);
- cancel_work_sync(&sdata->u.sta.chswitch_work);
+ cancel_work_sync(&sdata->u.mgd.work);
+ cancel_work_sync(&sdata->u.mgd.chswitch_work);
/*
* When we get here, the interface is marked down.
* Call synchronize_rcu() to wait for the RX path
@@ -477,13 +477,22 @@ static int ieee80211_stop(struct net_device *dev)
* frames at this very time on another CPU.
*/
synchronize_rcu();
- skb_queue_purge(&sdata->u.sta.skb_queue);
+ skb_queue_purge(&sdata->u.mgd.skb_queue);
- sdata->u.sta.flags &= ~(IEEE80211_STA_PRIVACY_INVOKED |
+ sdata->u.mgd.flags &= ~(IEEE80211_STA_PRIVACY_INVOKED |
IEEE80211_STA_TKIP_WEP_USED);
- kfree(sdata->u.sta.extra_ie);
- sdata->u.sta.extra_ie = NULL;
- sdata->u.sta.extra_ie_len = 0;
+ kfree(sdata->u.mgd.extra_ie);
+ sdata->u.mgd.extra_ie = NULL;
+ sdata->u.mgd.extra_ie_len = 0;
+ /* fall through */
+ case NL80211_IFTYPE_ADHOC:
+ if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ memset(sdata->u.ibss.bssid, 0, ETH_ALEN);
+ del_timer_sync(&sdata->u.ibss.timer);
+ cancel_work_sync(&sdata->u.ibss.work);
+ synchronize_rcu();
+ skb_queue_purge(&sdata->u.ibss.skb_queue);
+ }
/* fall through */
case NL80211_IFTYPE_MESH_POINT:
if (ieee80211_vif_is_mesh(&sdata->vif)) {
@@ -629,19 +638,20 @@ static void ieee80211_teardown_sdata(struct net_device *dev)
if (ieee80211_vif_is_mesh(&sdata->vif))
mesh_rmc_free(sdata);
break;
- case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
- kfree(sdata->u.sta.extra_ie);
- kfree(sdata->u.sta.assocreq_ies);
- kfree(sdata->u.sta.assocresp_ies);
- kfree_skb(sdata->u.sta.probe_resp);
- kfree(sdata->u.sta.ie_probereq);
- kfree(sdata->u.sta.ie_proberesp);
- kfree(sdata->u.sta.ie_auth);
- kfree(sdata->u.sta.ie_assocreq);
- kfree(sdata->u.sta.ie_reassocreq);
- kfree(sdata->u.sta.ie_deauth);
- kfree(sdata->u.sta.ie_disassoc);
+ kfree_skb(sdata->u.ibss.probe_resp);
+ break;
+ case NL80211_IFTYPE_STATION:
+ kfree(sdata->u.mgd.extra_ie);
+ kfree(sdata->u.mgd.assocreq_ies);
+ kfree(sdata->u.mgd.assocresp_ies);
+ kfree(sdata->u.mgd.ie_probereq);
+ kfree(sdata->u.mgd.ie_proberesp);
+ kfree(sdata->u.mgd.ie_auth);
+ kfree(sdata->u.mgd.ie_assocreq);
+ kfree(sdata->u.mgd.ie_reassocreq);
+ kfree(sdata->u.mgd.ie_deauth);
+ kfree(sdata->u.mgd.ie_disassoc);
break;
case NL80211_IFTYPE_WDS:
case NL80211_IFTYPE_AP_VLAN:
@@ -708,9 +718,11 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
INIT_LIST_HEAD(&sdata->u.ap.vlans);
break;
case NL80211_IFTYPE_STATION:
- case NL80211_IFTYPE_ADHOC:
ieee80211_sta_setup_sdata(sdata);
break;
+ case NL80211_IFTYPE_ADHOC:
+ ieee80211_ibss_setup_sdata(sdata);
+ break;
case NL80211_IFTYPE_MESH_POINT:
if (ieee80211_vif_is_mesh(&sdata->vif))
ieee80211_mesh_init_sdata(sdata);
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 19b480de4bbc..687acf23054d 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -400,7 +400,7 @@ void ieee80211_key_link(struct ieee80211_key *key,
*/
/* same here, the AP could be using QoS */
- ap = sta_info_get(key->local, key->sdata->u.sta.bssid);
+ ap = sta_info_get(key->local, key->sdata->u.mgd.bssid);
if (ap) {
if (test_sta_flags(ap, WLAN_STA_WME))
key->conf.flags |=
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index e9181981adcd..fce9d08986e9 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -169,9 +169,10 @@ int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed)
memset(&conf, 0, sizeof(conf));
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC)
- conf.bssid = sdata->u.sta.bssid;
+ if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ conf.bssid = sdata->u.mgd.bssid;
+ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
+ conf.bssid = sdata->u.ibss.bssid;
else if (sdata->vif.type == NL80211_IFTYPE_AP)
conf.bssid = sdata->dev->dev_addr;
else if (ieee80211_vif_is_mesh(&sdata->vif)) {
@@ -210,7 +211,7 @@ int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed)
!!rcu_dereference(sdata->u.ap.beacon);
break;
case NL80211_IFTYPE_ADHOC:
- conf.enable_beacon = !!sdata->u.sta.probe_resp;
+ conf.enable_beacon = !!sdata->u.ibss.probe_resp;
break;
case NL80211_IFTYPE_MESH_POINT:
conf.enable_beacon = true;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index bf872cbba096..ec5a0900cba0 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -15,11 +15,8 @@
#include <linux/if_ether.h>
#include <linux/skbuff.h>
#include <linux/if_arp.h>
-#include <linux/wireless.h>
-#include <linux/random.h>
#include <linux/etherdevice.h>
#include <linux/rtnetlink.h>
-#include <net/iw_handler.h>
#include <net/mac80211.h>
#include <asm/unaligned.h>
@@ -35,15 +32,6 @@
#define IEEE80211_MONITORING_INTERVAL (2 * HZ)
#define IEEE80211_PROBE_INTERVAL (60 * HZ)
#define IEEE80211_RETRY_AUTH_INTERVAL (1 * HZ)
-#define IEEE80211_SCAN_INTERVAL (2 * HZ)
-#define IEEE80211_SCAN_INTERVAL_SLOW (15 * HZ)
-#define IEEE80211_IBSS_JOIN_TIMEOUT (7 * HZ)
-
-#define IEEE80211_IBSS_MERGE_INTERVAL (30 * HZ)
-#define IEEE80211_IBSS_INACTIVITY_LIMIT (60 * HZ)
-
-#define IEEE80211_IBSS_MAX_STA_ENTRIES 128
-
/* utils */
static int ecw2cw(int ecw)
@@ -92,43 +80,6 @@ static int ieee80211_compatible_rates(struct ieee80211_bss *bss,
return count;
}
-/* also used by mesh code */
-u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
- struct ieee802_11_elems *elems,
- enum ieee80211_band band)
-{
- struct ieee80211_supported_band *sband;
- struct ieee80211_rate *bitrates;
- size_t num_rates;
- u32 supp_rates;
- int i, j;
- sband = local->hw.wiphy->bands[band];
-
- if (!sband) {
- WARN_ON(1);
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
- }
-
- bitrates = sband->bitrates;
- num_rates = sband->n_bitrates;
- supp_rates = 0;
- for (i = 0; i < elems->supp_rates_len +
- elems->ext_supp_rates_len; i++) {
- u8 rate = 0;
- int own_rate;
- if (i < elems->supp_rates_len)
- rate = elems->supp_rates[i];
- else if (elems->ext_supp_rates)
- rate = elems->ext_supp_rates
- [i - elems->supp_rates_len];
- own_rate = 5 * (rate & 0x7f);
- for (j = 0; j < num_rates; j++)
- if (bitrates[j].bitrate == own_rate)
- supp_rates |= BIT(j);
- }
- return supp_rates;
-}
-
/* frame sending functions */
static void add_extra_ies(struct sk_buff *skb, u8 *ies, size_t ies_len)
@@ -137,113 +88,9 @@ static void add_extra_ies(struct sk_buff *skb, u8 *ies, size_t ies_len)
memcpy(skb_put(skb, ies_len), ies, ies_len);
}
-/* also used by scanning code */
-void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
- u8 *ssid, size_t ssid_len)
-{
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_supported_band *sband;
- struct sk_buff *skb;
- struct ieee80211_mgmt *mgmt;
- u8 *pos, *supp_rates, *esupp_rates = NULL;
- int i;
-
- skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt) + 200 +
- sdata->u.sta.ie_probereq_len);
- if (!skb) {
- printk(KERN_DEBUG "%s: failed to allocate buffer for probe "
- "request\n", sdata->dev->name);
- return;
- }
- skb_reserve(skb, local->hw.extra_tx_headroom);
-
- mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
- memset(mgmt, 0, 24);
- mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
- IEEE80211_STYPE_PROBE_REQ);
- memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
- if (dst) {
- memcpy(mgmt->da, dst, ETH_ALEN);
- memcpy(mgmt->bssid, dst, ETH_ALEN);
- } else {
- memset(mgmt->da, 0xff, ETH_ALEN);
- memset(mgmt->bssid, 0xff, ETH_ALEN);
- }
- pos = skb_put(skb, 2 + ssid_len);
- *pos++ = WLAN_EID_SSID;
- *pos++ = ssid_len;
- memcpy(pos, ssid, ssid_len);
-
- supp_rates = skb_put(skb, 2);
- supp_rates[0] = WLAN_EID_SUPP_RATES;
- supp_rates[1] = 0;
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-
- for (i = 0; i < sband->n_bitrates; i++) {
- struct ieee80211_rate *rate = &sband->bitrates[i];
- if (esupp_rates) {
- pos = skb_put(skb, 1);
- esupp_rates[1]++;
- } else if (supp_rates[1] == 8) {
- esupp_rates = skb_put(skb, 3);
- esupp_rates[0] = WLAN_EID_EXT_SUPP_RATES;
- esupp_rates[1] = 1;
- pos = &esupp_rates[2];
- } else {
- pos = skb_put(skb, 1);
- supp_rates[1]++;
- }
- *pos = rate->bitrate / 5;
- }
-
- add_extra_ies(skb, sdata->u.sta.ie_probereq,
- sdata->u.sta.ie_probereq_len);
-
- ieee80211_tx_skb(sdata, skb, 0);
-}
-
-static void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta,
- int transaction, u8 *extra, size_t extra_len,
- int encrypt)
-{
- struct ieee80211_local *local = sdata->local;
- struct sk_buff *skb;
- struct ieee80211_mgmt *mgmt;
-
- skb = dev_alloc_skb(local->hw.extra_tx_headroom +
- sizeof(*mgmt) + 6 + extra_len +
- sdata->u.sta.ie_auth_len);
- if (!skb) {
- printk(KERN_DEBUG "%s: failed to allocate buffer for auth "
- "frame\n", sdata->dev->name);
- return;
- }
- skb_reserve(skb, local->hw.extra_tx_headroom);
-
- mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24 + 6);
- memset(mgmt, 0, 24 + 6);
- mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
- IEEE80211_STYPE_AUTH);
- if (encrypt)
- mgmt->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
- memcpy(mgmt->da, ifsta->bssid, ETH_ALEN);
- memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
- memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
- mgmt->u.auth.auth_alg = cpu_to_le16(ifsta->auth_alg);
- mgmt->u.auth.auth_transaction = cpu_to_le16(transaction);
- ifsta->auth_transaction = transaction + 1;
- mgmt->u.auth.status_code = cpu_to_le16(0);
- if (extra)
- memcpy(skb_put(skb, extra_len), extra, extra_len);
- add_extra_ies(skb, sdata->u.sta.ie_auth, sdata->u.sta.ie_auth_len);
-
- ieee80211_tx_skb(sdata, skb, encrypt);
-}
-
-static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
+static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
@@ -256,17 +103,17 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
u32 rates = 0;
size_t e_ies_len;
- if (ifsta->flags & IEEE80211_STA_PREV_BSSID_SET) {
- e_ies = sdata->u.sta.ie_reassocreq;
- e_ies_len = sdata->u.sta.ie_reassocreq_len;
+ if (ifmgd->flags & IEEE80211_IBSS_PREV_BSSID_SET) {
+ e_ies = sdata->u.mgd.ie_reassocreq;
+ e_ies_len = sdata->u.mgd.ie_reassocreq_len;
} else {
- e_ies = sdata->u.sta.ie_assocreq;
- e_ies_len = sdata->u.sta.ie_assocreq_len;
+ e_ies = sdata->u.mgd.ie_assocreq;
+ e_ies_len = sdata->u.mgd.ie_assocreq_len;
}
skb = dev_alloc_skb(local->hw.extra_tx_headroom +
- sizeof(*mgmt) + 200 + ifsta->extra_ie_len +
- ifsta->ssid_len + e_ies_len);
+ sizeof(*mgmt) + 200 + ifmgd->extra_ie_len +
+ ifmgd->ssid_len + e_ies_len);
if (!skb) {
printk(KERN_DEBUG "%s: failed to allocate buffer for assoc "
"frame\n", sdata->dev->name);
@@ -276,7 +123,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
- capab = ifsta->capab;
+ capab = ifmgd->capab;
if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ) {
if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
@@ -285,9 +132,9 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
}
- bss = ieee80211_rx_bss_get(local, ifsta->bssid,
+ bss = ieee80211_rx_bss_get(local, ifmgd->bssid,
local->hw.conf.channel->center_freq,
- ifsta->ssid, ifsta->ssid_len);
+ ifmgd->ssid, ifmgd->ssid_len);
if (bss) {
if (bss->cbss.capability & WLAN_CAPABILITY_PRIVACY)
capab |= WLAN_CAPABILITY_PRIVACY;
@@ -312,18 +159,18 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
memset(mgmt, 0, 24);
- memcpy(mgmt->da, ifsta->bssid, ETH_ALEN);
+ memcpy(mgmt->da, ifmgd->bssid, ETH_ALEN);
memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
- memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
+ memcpy(mgmt->bssid, ifmgd->bssid, ETH_ALEN);
- if (ifsta->flags & IEEE80211_STA_PREV_BSSID_SET) {
+ if (ifmgd->flags & IEEE80211_STA_PREV_BSSID_SET) {
skb_put(skb, 10);
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_REASSOC_REQ);
mgmt->u.reassoc_req.capab_info = cpu_to_le16(capab);
mgmt->u.reassoc_req.listen_interval =
cpu_to_le16(local->hw.conf.listen_interval);
- memcpy(mgmt->u.reassoc_req.current_ap, ifsta->prev_bssid,
+ memcpy(mgmt->u.reassoc_req.current_ap, ifmgd->prev_bssid,
ETH_ALEN);
} else {
skb_put(skb, 4);
@@ -335,10 +182,10 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
}
/* SSID */
- ies = pos = skb_put(skb, 2 + ifsta->ssid_len);
+ ies = pos = skb_put(skb, 2 + ifmgd->ssid_len);
*pos++ = WLAN_EID_SSID;
- *pos++ = ifsta->ssid_len;
- memcpy(pos, ifsta->ssid, ifsta->ssid_len);
+ *pos++ = ifmgd->ssid_len;
+ memcpy(pos, ifmgd->ssid, ifmgd->ssid_len);
/* add all rates which were marked to be used above */
supp_rates_len = rates_len;
@@ -393,12 +240,12 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
}
}
- if (ifsta->extra_ie) {
- pos = skb_put(skb, ifsta->extra_ie_len);
- memcpy(pos, ifsta->extra_ie, ifsta->extra_ie_len);
+ if (ifmgd->extra_ie) {
+ pos = skb_put(skb, ifmgd->extra_ie_len);
+ memcpy(pos, ifmgd->extra_ie, ifmgd->extra_ie_len);
}
- if (wmm && (ifsta->flags & IEEE80211_STA_WMM_ENABLED)) {
+ if (wmm && (ifmgd->flags & IEEE80211_STA_WMM_ENABLED)) {
pos = skb_put(skb, 9);
*pos++ = WLAN_EID_VENDOR_SPECIFIC;
*pos++ = 7; /* len */
@@ -418,11 +265,11 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
* mode (11a/b/g) if any one of these ciphers is
* configured as pairwise.
*/
- if (wmm && (ifsta->flags & IEEE80211_STA_WMM_ENABLED) &&
+ if (wmm && (ifmgd->flags & IEEE80211_STA_WMM_ENABLED) &&
sband->ht_cap.ht_supported &&
(ht_ie = ieee80211_bss_get_ie(bss, WLAN_EID_HT_INFORMATION)) &&
ht_ie[1] >= sizeof(struct ieee80211_ht_info) &&
- (!(ifsta->flags & IEEE80211_STA_TKIP_WEP_USED))) {
+ (!(ifmgd->flags & IEEE80211_STA_TKIP_WEP_USED))) {
struct ieee80211_ht_info *ht_info =
(struct ieee80211_ht_info *)(ht_ie + 2);
u16 cap = sband->ht_cap.cap;
@@ -459,11 +306,11 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
add_extra_ies(skb, e_ies, e_ies_len);
- kfree(ifsta->assocreq_ies);
- ifsta->assocreq_ies_len = (skb->data + skb->len) - ies;
- ifsta->assocreq_ies = kmalloc(ifsta->assocreq_ies_len, GFP_KERNEL);
- if (ifsta->assocreq_ies)
- memcpy(ifsta->assocreq_ies, ies, ifsta->assocreq_ies_len);
+ kfree(ifmgd->assocreq_ies);
+ ifmgd->assocreq_ies_len = (skb->data + skb->len) - ies;
+ ifmgd->assocreq_ies = kmalloc(ifmgd->assocreq_ies_len, GFP_KERNEL);
+ if (ifmgd->assocreq_ies)
+ memcpy(ifmgd->assocreq_ies, ies, ifmgd->assocreq_ies_len);
ieee80211_tx_skb(sdata, skb, 0);
}
@@ -473,18 +320,18 @@ static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
u16 stype, u16 reason)
{
struct ieee80211_local *local = sdata->local;
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
u8 *ies;
size_t ies_len;
if (stype == IEEE80211_STYPE_DEAUTH) {
- ies = sdata->u.sta.ie_deauth;
- ies_len = sdata->u.sta.ie_deauth_len;
+ ies = sdata->u.mgd.ie_deauth;
+ ies_len = sdata->u.mgd.ie_deauth_len;
} else {
- ies = sdata->u.sta.ie_disassoc;
- ies_len = sdata->u.sta.ie_disassoc_len;
+ ies = sdata->u.mgd.ie_disassoc;
+ ies_len = sdata->u.mgd.ie_disassoc_len;
}
skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt) +
@@ -498,9 +345,9 @@ static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
memset(mgmt, 0, 24);
- memcpy(mgmt->da, ifsta->bssid, ETH_ALEN);
+ memcpy(mgmt->da, ifmgd->bssid, ETH_ALEN);
memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
- memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
+ memcpy(mgmt->bssid, ifmgd->bssid, ETH_ALEN);
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | stype);
skb_put(skb, 2);
/* u.deauth.reason_code == u.disassoc.reason_code */
@@ -508,13 +355,13 @@ static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
add_extra_ies(skb, ies, ies_len);
- ieee80211_tx_skb(sdata, skb, ifsta->flags & IEEE80211_STA_MFP_ENABLED);
+ ieee80211_tx_skb(sdata, skb, ifmgd->flags & IEEE80211_STA_MFP_ENABLED);
}
void ieee80211_send_pspoll(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata)
{
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_pspoll *pspoll;
struct sk_buff *skb;
u16 fc;
@@ -531,43 +378,20 @@ void ieee80211_send_pspoll(struct ieee80211_local *local,
memset(pspoll, 0, sizeof(*pspoll));
fc = IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL | IEEE80211_FCTL_PM;
pspoll->frame_control = cpu_to_le16(fc);
- pspoll->aid = cpu_to_le16(ifsta->aid);
+ pspoll->aid = cpu_to_le16(ifmgd->aid);
/* aid in PS-Poll has its two MSBs each set to 1 */
pspoll->aid |= cpu_to_le16(1 << 15 | 1 << 14);
- memcpy(pspoll->bssid, ifsta->bssid, ETH_ALEN);
+ memcpy(pspoll->bssid, ifmgd->bssid, ETH_ALEN);
memcpy(pspoll->ta, sdata->dev->dev_addr, ETH_ALEN);
ieee80211_tx_skb(sdata, skb, 0);
-
- return;
}
/* MLME */
-static void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
- const size_t supp_rates_len,
- const u8 *supp_rates)
-{
- struct ieee80211_local *local = sdata->local;
- int i, have_higher_than_11mbit = 0;
-
- /* cf. IEEE 802.11 9.2.12 */
- for (i = 0; i < supp_rates_len; i++)
- if ((supp_rates[i] & 0x7f) * 5 > 110)
- have_higher_than_11mbit = 1;
-
- if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
- have_higher_than_11mbit)
- sdata->flags |= IEEE80211_SDATA_OPERATING_GMODE;
- else
- sdata->flags &= ~IEEE80211_SDATA_OPERATING_GMODE;
-
- ieee80211_set_wmm_default(sdata);
-}
-
static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
- struct ieee80211_if_sta *ifsta,
+ struct ieee80211_if_managed *ifmgd,
u8 *wmm_param, size_t wmm_param_len)
{
struct ieee80211_tx_queue_params params;
@@ -575,7 +399,7 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
int count;
u8 *pos;
- if (!(ifsta->flags & IEEE80211_STA_WMM_ENABLED))
+ if (!(ifmgd->flags & IEEE80211_STA_WMM_ENABLED))
return;
if (!wmm_param)
@@ -584,9 +408,9 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
if (wmm_param_len < 8 || wmm_param[5] /* version */ != 1)
return;
count = wmm_param[6] & 0x0f;
- if (count == ifsta->wmm_last_param_set)
+ if (count == ifmgd->wmm_last_param_set)
return;
- ifsta->wmm_last_param_set = count;
+ ifmgd->wmm_last_param_set = count;
pos = wmm_param + 8;
left = wmm_param_len - 8;
@@ -671,7 +495,7 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
#endif
u32 changed = 0;
bool use_protection;
@@ -694,7 +518,7 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
printk(KERN_DEBUG "%s: CTS protection %s (BSSID=%pM)\n",
sdata->dev->name,
use_protection ? "enabled" : "disabled",
- ifsta->bssid);
+ ifmgd->bssid);
}
#endif
bss_conf->use_cts_prot = use_protection;
@@ -708,7 +532,7 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
" (BSSID=%pM)\n",
sdata->dev->name,
use_short_preamble ? "short" : "long",
- ifsta->bssid);
+ ifmgd->bssid);
}
#endif
bss_conf->use_short_preamble = use_short_preamble;
@@ -722,7 +546,7 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
" (BSSID=%pM)\n",
sdata->dev->name,
use_short_slot ? "short" : "long",
- ifsta->bssid);
+ ifmgd->bssid);
}
#endif
bss_conf->use_short_slot = use_short_slot;
@@ -732,57 +556,57 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
return changed;
}
-static void ieee80211_sta_send_apinfo(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
+static void ieee80211_sta_send_apinfo(struct ieee80211_sub_if_data *sdata)
{
union iwreq_data wrqu;
+
memset(&wrqu, 0, sizeof(wrqu));
- if (ifsta->flags & IEEE80211_STA_ASSOCIATED)
- memcpy(wrqu.ap_addr.sa_data, sdata->u.sta.bssid, ETH_ALEN);
+ if (sdata->u.mgd.flags & IEEE80211_STA_ASSOCIATED)
+ memcpy(wrqu.ap_addr.sa_data, sdata->u.mgd.bssid, ETH_ALEN);
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
wireless_send_event(sdata->dev, SIOCGIWAP, &wrqu, NULL);
}
-static void ieee80211_sta_send_associnfo(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
+static void ieee80211_sta_send_associnfo(struct ieee80211_sub_if_data *sdata)
{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
char *buf;
size_t len;
int i;
union iwreq_data wrqu;
- if (!ifsta->assocreq_ies && !ifsta->assocresp_ies)
+ if (!ifmgd->assocreq_ies && !ifmgd->assocresp_ies)
return;
- buf = kmalloc(50 + 2 * (ifsta->assocreq_ies_len +
- ifsta->assocresp_ies_len), GFP_KERNEL);
+ buf = kmalloc(50 + 2 * (ifmgd->assocreq_ies_len +
+ ifmgd->assocresp_ies_len), GFP_KERNEL);
if (!buf)
return;
len = sprintf(buf, "ASSOCINFO(");
- if (ifsta->assocreq_ies) {
+ if (ifmgd->assocreq_ies) {
len += sprintf(buf + len, "ReqIEs=");
- for (i = 0; i < ifsta->assocreq_ies_len; i++) {
+ for (i = 0; i < ifmgd->assocreq_ies_len; i++) {
len += sprintf(buf + len, "%02x",
- ifsta->assocreq_ies[i]);
+ ifmgd->assocreq_ies[i]);
}
}
- if (ifsta->assocresp_ies) {
- if (ifsta->assocreq_ies)
+ if (ifmgd->assocresp_ies) {
+ if (ifmgd->assocreq_ies)
len += sprintf(buf + len, " ");
len += sprintf(buf + len, "RespIEs=");
- for (i = 0; i < ifsta->assocresp_ies_len; i++) {
+ for (i = 0; i < ifmgd->assocresp_ies_len; i++) {
len += sprintf(buf + len, "%02x",
- ifsta->assocresp_ies[i]);
+ ifmgd->assocresp_ies[i]);
}
}
len += sprintf(buf + len, ")");
if (len > IW_CUSTOM_MAX) {
len = sprintf(buf, "ASSOCRESPIE=");
- for (i = 0; i < ifsta->assocresp_ies_len; i++) {
+ for (i = 0; i < ifmgd->assocresp_ies_len; i++) {
len += sprintf(buf + len, "%02x",
- ifsta->assocresp_ies[i]);
+ ifmgd->assocresp_ies[i]);
}
}
@@ -797,20 +621,20 @@ static void ieee80211_sta_send_associnfo(struct ieee80211_sub_if_data *sdata,
static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta,
u32 bss_info_changed)
{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
struct ieee80211_conf *conf = &local_to_hw(local)->conf;
struct ieee80211_bss *bss;
bss_info_changed |= BSS_CHANGED_ASSOC;
- ifsta->flags |= IEEE80211_STA_ASSOCIATED;
+ ifmgd->flags |= IEEE80211_STA_ASSOCIATED;
- bss = ieee80211_rx_bss_get(local, ifsta->bssid,
+ bss = ieee80211_rx_bss_get(local, ifmgd->bssid,
conf->channel->center_freq,
- ifsta->ssid, ifsta->ssid_len);
+ ifmgd->ssid, ifmgd->ssid_len);
if (bss) {
/* set timing information */
sdata->vif.bss_conf.beacon_int = bss->cbss.beacon_interval;
@@ -823,11 +647,11 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
ieee80211_rx_bss_put(local, bss);
}
- ifsta->flags |= IEEE80211_STA_PREV_BSSID_SET;
- memcpy(ifsta->prev_bssid, sdata->u.sta.bssid, ETH_ALEN);
- ieee80211_sta_send_associnfo(sdata, ifsta);
+ ifmgd->flags |= IEEE80211_STA_PREV_BSSID_SET;
+ memcpy(ifmgd->prev_bssid, sdata->u.mgd.bssid, ETH_ALEN);
+ ieee80211_sta_send_associnfo(sdata);
- ifsta->last_probe = jiffies;
+ ifmgd->last_probe = jiffies;
ieee80211_led_assoc(local, 1);
sdata->vif.bss_conf.assoc = 1;
@@ -856,70 +680,74 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
netif_tx_start_all_queues(sdata->dev);
netif_carrier_on(sdata->dev);
- ieee80211_sta_send_apinfo(sdata, ifsta);
+ ieee80211_sta_send_apinfo(sdata);
}
-static void ieee80211_direct_probe(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
+static void ieee80211_direct_probe(struct ieee80211_sub_if_data *sdata)
{
- ifsta->direct_probe_tries++;
- if (ifsta->direct_probe_tries > IEEE80211_AUTH_MAX_TRIES) {
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+
+ ifmgd->direct_probe_tries++;
+ if (ifmgd->direct_probe_tries > IEEE80211_AUTH_MAX_TRIES) {
printk(KERN_DEBUG "%s: direct probe to AP %pM timed out\n",
- sdata->dev->name, ifsta->bssid);
- ifsta->state = IEEE80211_STA_MLME_DISABLED;
- ieee80211_sta_send_apinfo(sdata, ifsta);
+ sdata->dev->name, ifmgd->bssid);
+ ifmgd->state = IEEE80211_STA_MLME_DISABLED;
+ ieee80211_sta_send_apinfo(sdata);
/*
* Most likely AP is not in the range so remove the
* bss information associated to the AP
*/
- ieee80211_rx_bss_remove(sdata, ifsta->bssid,
+ ieee80211_rx_bss_remove(sdata, ifmgd->bssid,
sdata->local->hw.conf.channel->center_freq,
- ifsta->ssid, ifsta->ssid_len);
+ ifmgd->ssid, ifmgd->ssid_len);
return;
}
printk(KERN_DEBUG "%s: direct probe to AP %pM try %d\n",
- sdata->dev->name, ifsta->bssid,
- ifsta->direct_probe_tries);
+ sdata->dev->name, ifmgd->bssid,
+ ifmgd->direct_probe_tries);
- ifsta->state = IEEE80211_STA_MLME_DIRECT_PROBE;
+ ifmgd->state = IEEE80211_STA_MLME_DIRECT_PROBE;
- set_bit(IEEE80211_STA_REQ_DIRECT_PROBE, &ifsta->request);
+ set_bit(IEEE80211_STA_REQ_DIRECT_PROBE, &ifmgd->request);
/* Direct probe is sent to broadcast address as some APs
* will not answer to direct packet in unassociated state.
*/
ieee80211_send_probe_req(sdata, NULL,
- ifsta->ssid, ifsta->ssid_len);
+ ifmgd->ssid, ifmgd->ssid_len);
- mod_timer(&ifsta->timer, jiffies + IEEE80211_AUTH_TIMEOUT);
+ mod_timer(&ifmgd->timer, jiffies + IEEE80211_AUTH_TIMEOUT);
}
-static void ieee80211_authenticate(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
+static void ieee80211_authenticate(struct ieee80211_sub_if_data *sdata)
{
- ifsta->auth_tries++;
- if (ifsta->auth_tries > IEEE80211_AUTH_MAX_TRIES) {
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+
+ ifmgd->auth_tries++;
+ if (ifmgd->auth_tries > IEEE80211_AUTH_MAX_TRIES) {
printk(KERN_DEBUG "%s: authentication with AP %pM"
" timed out\n",
- sdata->dev->name, ifsta->bssid);
- ifsta->state = IEEE80211_STA_MLME_DISABLED;
- ieee80211_sta_send_apinfo(sdata, ifsta);
- ieee80211_rx_bss_remove(sdata, ifsta->bssid,
+ sdata->dev->name, ifmgd->bssid);
+ ifmgd->state = IEEE80211_STA_MLME_DISABLED;
+ ieee80211_sta_send_apinfo(sdata);
+ ieee80211_rx_bss_remove(sdata, ifmgd->bssid,
sdata->local->hw.conf.channel->center_freq,
- ifsta->ssid, ifsta->ssid_len);
+ ifmgd->ssid, ifmgd->ssid_len);
return;
}
- ifsta->state = IEEE80211_STA_MLME_AUTHENTICATE;
+ ifmgd->state = IEEE80211_STA_MLME_AUTHENTICATE;
printk(KERN_DEBUG "%s: authenticate with AP %pM\n",
- sdata->dev->name, ifsta->bssid);
+ sdata->dev->name, ifmgd->bssid);
- ieee80211_send_auth(sdata, ifsta, 1, NULL, 0, 0);
+ ieee80211_send_auth(sdata, 1, ifmgd->auth_alg, NULL, 0,
+ ifmgd->bssid, 0);
+ ifmgd->auth_transaction = 2;
- mod_timer(&ifsta->timer, jiffies + IEEE80211_AUTH_TIMEOUT);
+ mod_timer(&ifmgd->timer, jiffies + IEEE80211_AUTH_TIMEOUT);
}
/*
@@ -927,27 +755,28 @@ static void ieee80211_authenticate(struct ieee80211_sub_if_data *sdata,
* if self disconnected or a reason code from the AP.
*/
static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta, bool deauth,
- bool self_disconnected, u16 reason)
+ bool deauth, bool self_disconnected,
+ u16 reason)
{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
u32 changed = 0, config_changed = 0;
rcu_read_lock();
- sta = sta_info_get(local, ifsta->bssid);
+ sta = sta_info_get(local, ifmgd->bssid);
if (!sta) {
rcu_read_unlock();
return;
}
if (deauth) {
- ifsta->direct_probe_tries = 0;
- ifsta->auth_tries = 0;
+ ifmgd->direct_probe_tries = 0;
+ ifmgd->auth_tries = 0;
}
- ifsta->assoc_scan_tries = 0;
- ifsta->assoc_tries = 0;
+ ifmgd->assoc_scan_tries = 0;
+ ifmgd->assoc_tries = 0;
netif_tx_stop_all_queues(sdata->dev);
netif_carrier_off(sdata->dev);
@@ -963,20 +792,20 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
IEEE80211_STYPE_DISASSOC, reason);
}
- ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;
+ ifmgd->flags &= ~IEEE80211_STA_ASSOCIATED;
changed |= ieee80211_reset_erp_info(sdata);
ieee80211_led_assoc(local, 0);
changed |= BSS_CHANGED_ASSOC;
sdata->vif.bss_conf.assoc = false;
- ieee80211_sta_send_apinfo(sdata, ifsta);
+ ieee80211_sta_send_apinfo(sdata);
if (self_disconnected || reason == WLAN_REASON_DISASSOC_STA_HAS_LEFT) {
- ifsta->state = IEEE80211_STA_MLME_DISABLED;
- ieee80211_rx_bss_remove(sdata, ifsta->bssid,
+ ifmgd->state = IEEE80211_STA_MLME_DISABLED;
+ ieee80211_rx_bss_remove(sdata, ifmgd->bssid,
sdata->local->hw.conf.channel->center_freq,
- ifsta->ssid, ifsta->ssid_len);
+ ifmgd->ssid, ifmgd->ssid_len);
}
rcu_read_unlock();
@@ -999,7 +828,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
rcu_read_lock();
- sta = sta_info_get(local, ifsta->bssid);
+ sta = sta_info_get(local, ifmgd->bssid);
if (!sta) {
rcu_read_unlock();
return;
@@ -1020,27 +849,27 @@ static int ieee80211_sta_wep_configured(struct ieee80211_sub_if_data *sdata)
return 1;
}
-static int ieee80211_privacy_mismatch(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
+static int ieee80211_privacy_mismatch(struct ieee80211_sub_if_data *sdata)
{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
struct ieee80211_bss *bss;
int bss_privacy;
int wep_privacy;
int privacy_invoked;
- if (!ifsta || (ifsta->flags & IEEE80211_STA_MIXED_CELL))
+ if (!ifmgd || (ifmgd->flags & IEEE80211_STA_MIXED_CELL))
return 0;
- bss = ieee80211_rx_bss_get(local, ifsta->bssid,
+ bss = ieee80211_rx_bss_get(local, ifmgd->bssid,
local->hw.conf.channel->center_freq,
- ifsta->ssid, ifsta->ssid_len);
+ ifmgd->ssid, ifmgd->ssid_len);
if (!bss)
return 0;
bss_privacy = !!(bss->cbss.capability & WLAN_CAPABILITY_PRIVACY);
wep_privacy = !!ieee80211_sta_wep_configured(sdata);
- privacy_invoked = !!(ifsta->flags & IEEE80211_STA_PRIVACY_INVOKED);
+ privacy_invoked = !!(ifmgd->flags & IEEE80211_STA_PRIVACY_INVOKED);
ieee80211_rx_bss_put(local, bss);
@@ -1050,41 +879,42 @@ static int ieee80211_privacy_mismatch(struct ieee80211_sub_if_data *sdata,
return 1;
}
-static void ieee80211_associate(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
+static void ieee80211_associate(struct ieee80211_sub_if_data *sdata)
{
- ifsta->assoc_tries++;
- if (ifsta->assoc_tries > IEEE80211_ASSOC_MAX_TRIES) {
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+
+ ifmgd->assoc_tries++;
+ if (ifmgd->assoc_tries > IEEE80211_ASSOC_MAX_TRIES) {
printk(KERN_DEBUG "%s: association with AP %pM"
" timed out\n",
- sdata->dev->name, ifsta->bssid);
- ifsta->state = IEEE80211_STA_MLME_DISABLED;
- ieee80211_sta_send_apinfo(sdata, ifsta);
- ieee80211_rx_bss_remove(sdata, ifsta->bssid,
+ sdata->dev->name, ifmgd->bssid);
+ ifmgd->state = IEEE80211_STA_MLME_DISABLED;
+ ieee80211_sta_send_apinfo(sdata);
+ ieee80211_rx_bss_remove(sdata, ifmgd->bssid,
sdata->local->hw.conf.channel->center_freq,
- ifsta->ssid, ifsta->ssid_len);
+ ifmgd->ssid, ifmgd->ssid_len);
return;
}
- ifsta->state = IEEE80211_STA_MLME_ASSOCIATE;
+ ifmgd->state = IEEE80211_STA_MLME_ASSOCIATE;
printk(KERN_DEBUG "%s: associate with AP %pM\n",
- sdata->dev->name, ifsta->bssid);
- if (ieee80211_privacy_mismatch(sdata, ifsta)) {
+ sdata->dev->name, ifmgd->bssid);
+ if (ieee80211_privacy_mismatch(sdata)) {
printk(KERN_DEBUG "%s: mismatch in privacy configuration and "
"mixed-cell disabled - abort association\n", sdata->dev->name);
- ifsta->state = IEEE80211_STA_MLME_DISABLED;
+ ifmgd->state = IEEE80211_STA_MLME_DISABLED;
return;
}
- ieee80211_send_assoc(sdata, ifsta);
+ ieee80211_send_assoc(sdata);
- mod_timer(&ifsta->timer, jiffies + IEEE80211_ASSOC_TIMEOUT);
+ mod_timer(&ifmgd->timer, jiffies + IEEE80211_ASSOC_TIMEOUT);
}
-static void ieee80211_associated(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
+static void ieee80211_associated(struct ieee80211_sub_if_data *sdata)
{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
int disassoc;
@@ -1094,38 +924,38 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata,
* for better APs. */
/* TODO: remove expired BSSes */
- ifsta->state = IEEE80211_STA_MLME_ASSOCIATED;
+ ifmgd->state = IEEE80211_STA_MLME_ASSOCIATED;
rcu_read_lock();
- sta = sta_info_get(local, ifsta->bssid);
+ sta = sta_info_get(local, ifmgd->bssid);
if (!sta) {
printk(KERN_DEBUG "%s: No STA entry for own AP %pM\n",
- sdata->dev->name, ifsta->bssid);
+ sdata->dev->name, ifmgd->bssid);
disassoc = 1;
} else {
disassoc = 0;
if (time_after(jiffies,
sta->last_rx + IEEE80211_MONITORING_INTERVAL)) {
- if (ifsta->flags & IEEE80211_STA_PROBEREQ_POLL) {
+ if (ifmgd->flags & IEEE80211_STA_PROBEREQ_POLL) {
printk(KERN_DEBUG "%s: No ProbeResp from "
"current AP %pM - assume out of "
"range\n",
- sdata->dev->name, ifsta->bssid);
+ sdata->dev->name, ifmgd->bssid);
disassoc = 1;
} else
- ieee80211_send_probe_req(sdata, ifsta->bssid,
- ifsta->ssid,
- ifsta->ssid_len);
- ifsta->flags ^= IEEE80211_STA_PROBEREQ_POLL;
+ ieee80211_send_probe_req(sdata, ifmgd->bssid,
+ ifmgd->ssid,
+ ifmgd->ssid_len);
+ ifmgd->flags ^= IEEE80211_STA_PROBEREQ_POLL;
} else {
- ifsta->flags &= ~IEEE80211_STA_PROBEREQ_POLL;
- if (time_after(jiffies, ifsta->last_probe +
+ ifmgd->flags &= ~IEEE80211_STA_PROBEREQ_POLL;
+ if (time_after(jiffies, ifmgd->last_probe +
IEEE80211_PROBE_INTERVAL)) {
- ifsta->last_probe = jiffies;
- ieee80211_send_probe_req(sdata, ifsta->bssid,
- ifsta->ssid,
- ifsta->ssid_len);
+ ifmgd->last_probe = jiffies;
+ ieee80211_send_probe_req(sdata, ifmgd->bssid,
+ ifmgd->ssid,
+ ifmgd->ssid_len);
}
}
}
@@ -1133,25 +963,25 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata,
rcu_read_unlock();
if (disassoc)
- ieee80211_set_disassoc(sdata, ifsta, true, true,
+ ieee80211_set_disassoc(sdata, true, true,
WLAN_REASON_PREV_AUTH_NOT_VALID);
else
- mod_timer(&ifsta->timer, jiffies +
+ mod_timer(&ifmgd->timer, jiffies +
IEEE80211_MONITORING_INTERVAL);
}
-static void ieee80211_auth_completed(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
+static void ieee80211_auth_completed(struct ieee80211_sub_if_data *sdata)
{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+
printk(KERN_DEBUG "%s: authenticated\n", sdata->dev->name);
- ifsta->flags |= IEEE80211_STA_AUTHENTICATED;
- ieee80211_associate(sdata, ifsta);
+ ifmgd->flags |= IEEE80211_STA_AUTHENTICATED;
+ ieee80211_associate(sdata);
}
static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta,
struct ieee80211_mgmt *mgmt,
size_t len)
{
@@ -1162,59 +992,37 @@ static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata,
ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
if (!elems.challenge)
return;
- ieee80211_send_auth(sdata, ifsta, 3, elems.challenge - 2,
- elems.challenge_len + 2, 1);
-}
-
-static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta,
- struct ieee80211_mgmt *mgmt,
- size_t len)
-{
- u16 auth_alg, auth_transaction, status_code;
-
- if (len < 24 + 6)
- return;
-
- auth_alg = le16_to_cpu(mgmt->u.auth.auth_alg);
- auth_transaction = le16_to_cpu(mgmt->u.auth.auth_transaction);
- status_code = le16_to_cpu(mgmt->u.auth.status_code);
-
- /*
- * IEEE 802.11 standard does not require authentication in IBSS
- * networks and most implementations do not seem to use it.
- * However, try to reply to authentication attempts if someone
- * has actually implemented this.
- */
- if (auth_alg == WLAN_AUTH_OPEN && auth_transaction == 1)
- ieee80211_send_auth(sdata, ifsta, 2, NULL, 0, 0);
+ ieee80211_send_auth(sdata, 3, sdata->u.mgd.auth_alg,
+ elems.challenge - 2, elems.challenge_len + 2,
+ sdata->u.mgd.bssid, 1);
+ sdata->u.mgd.auth_transaction = 4;
}
static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta,
struct ieee80211_mgmt *mgmt,
size_t len)
{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u16 auth_alg, auth_transaction, status_code;
- if (ifsta->state != IEEE80211_STA_MLME_AUTHENTICATE)
+ if (ifmgd->state != IEEE80211_STA_MLME_AUTHENTICATE)
return;
if (len < 24 + 6)
return;
- if (memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0)
+ if (memcmp(ifmgd->bssid, mgmt->sa, ETH_ALEN) != 0)
return;
- if (memcmp(ifsta->bssid, mgmt->bssid, ETH_ALEN) != 0)
+ if (memcmp(ifmgd->bssid, mgmt->bssid, ETH_ALEN) != 0)
return;
auth_alg = le16_to_cpu(mgmt->u.auth.auth_alg);
auth_transaction = le16_to_cpu(mgmt->u.auth.auth_transaction);
status_code = le16_to_cpu(mgmt->u.auth.status_code);
- if (auth_alg != ifsta->auth_alg ||
- auth_transaction != ifsta->auth_transaction)
+ if (auth_alg != ifmgd->auth_alg ||
+ auth_transaction != ifmgd->auth_transaction)
return;
if (status_code != WLAN_STATUS_SUCCESS) {
@@ -1223,15 +1031,15 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
const int num_algs = ARRAY_SIZE(algs);
int i, pos;
algs[0] = algs[1] = algs[2] = 0xff;
- if (ifsta->auth_algs & IEEE80211_AUTH_ALG_OPEN)
+ if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_OPEN)
algs[0] = WLAN_AUTH_OPEN;
- if (ifsta->auth_algs & IEEE80211_AUTH_ALG_SHARED_KEY)
+ if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_SHARED_KEY)
algs[1] = WLAN_AUTH_SHARED_KEY;
- if (ifsta->auth_algs & IEEE80211_AUTH_ALG_LEAP)
+ if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_LEAP)
algs[2] = WLAN_AUTH_LEAP;
- if (ifsta->auth_alg == WLAN_AUTH_OPEN)
+ if (ifmgd->auth_alg == WLAN_AUTH_OPEN)
pos = 0;
- else if (ifsta->auth_alg == WLAN_AUTH_SHARED_KEY)
+ else if (ifmgd->auth_alg == WLAN_AUTH_SHARED_KEY)
pos = 1;
else
pos = 2;
@@ -1239,101 +1047,101 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
pos++;
if (pos >= num_algs)
pos = 0;
- if (algs[pos] == ifsta->auth_alg ||
+ if (algs[pos] == ifmgd->auth_alg ||
algs[pos] == 0xff)
continue;
if (algs[pos] == WLAN_AUTH_SHARED_KEY &&
!ieee80211_sta_wep_configured(sdata))
continue;
- ifsta->auth_alg = algs[pos];
+ ifmgd->auth_alg = algs[pos];
break;
}
}
return;
}
- switch (ifsta->auth_alg) {
+ switch (ifmgd->auth_alg) {
case WLAN_AUTH_OPEN:
case WLAN_AUTH_LEAP:
- ieee80211_auth_completed(sdata, ifsta);
+ ieee80211_auth_completed(sdata);
break;
case WLAN_AUTH_SHARED_KEY:
- if (ifsta->auth_transaction == 4)
- ieee80211_auth_completed(sdata, ifsta);
+ if (ifmgd->auth_transaction == 4)
+ ieee80211_auth_completed(sdata);
else
- ieee80211_auth_challenge(sdata, ifsta, mgmt, len);
+ ieee80211_auth_challenge(sdata, mgmt, len);
break;
}
}
static void ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta,
struct ieee80211_mgmt *mgmt,
size_t len)
{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u16 reason_code;
if (len < 24 + 2)
return;
- if (memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN))
+ if (memcmp(ifmgd->bssid, mgmt->sa, ETH_ALEN))
return;
reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
- if (ifsta->flags & IEEE80211_STA_AUTHENTICATED)
+ if (ifmgd->flags & IEEE80211_STA_AUTHENTICATED)
printk(KERN_DEBUG "%s: deauthenticated (Reason: %u)\n",
sdata->dev->name, reason_code);
- if (ifsta->state == IEEE80211_STA_MLME_AUTHENTICATE ||
- ifsta->state == IEEE80211_STA_MLME_ASSOCIATE ||
- ifsta->state == IEEE80211_STA_MLME_ASSOCIATED) {
- ifsta->state = IEEE80211_STA_MLME_DIRECT_PROBE;
- mod_timer(&ifsta->timer, jiffies +
+ if (ifmgd->state == IEEE80211_STA_MLME_AUTHENTICATE ||
+ ifmgd->state == IEEE80211_STA_MLME_ASSOCIATE ||
+ ifmgd->state == IEEE80211_STA_MLME_ASSOCIATED) {
+ ifmgd->state = IEEE80211_STA_MLME_DIRECT_PROBE;
+ mod_timer(&ifmgd->timer, jiffies +
IEEE80211_RETRY_AUTH_INTERVAL);
}
- ieee80211_set_disassoc(sdata, ifsta, true, false, 0);
- ifsta->flags &= ~IEEE80211_STA_AUTHENTICATED;
+ ieee80211_set_disassoc(sdata, true, false, 0);
+ ifmgd->flags &= ~IEEE80211_STA_AUTHENTICATED;
}
static void ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta,
struct ieee80211_mgmt *mgmt,
size_t len)
{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u16 reason_code;
if (len < 24 + 2)
return;
- if (memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN))
+ if (memcmp(ifmgd->bssid, mgmt->sa, ETH_ALEN))
return;
reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
- if (ifsta->flags & IEEE80211_STA_ASSOCIATED)
+ if (ifmgd->flags & IEEE80211_STA_ASSOCIATED)
printk(KERN_DEBUG "%s: disassociated (Reason: %u)\n",
sdata->dev->name, reason_code);
- if (ifsta->state == IEEE80211_STA_MLME_ASSOCIATED) {
- ifsta->state = IEEE80211_STA_MLME_ASSOCIATE;
- mod_timer(&ifsta->timer, jiffies +
+ if (ifmgd->state == IEEE80211_STA_MLME_ASSOCIATED) {
+ ifmgd->state = IEEE80211_STA_MLME_ASSOCIATE;
+ mod_timer(&ifmgd->timer, jiffies +
IEEE80211_RETRY_AUTH_INTERVAL);
}
- ieee80211_set_disassoc(sdata, ifsta, false, false, reason_code);
+ ieee80211_set_disassoc(sdata, false, false, reason_code);
}
static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta,
struct ieee80211_mgmt *mgmt,
size_t len,
int reassoc)
{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
struct sta_info *sta;
@@ -1350,13 +1158,13 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
/* AssocResp and ReassocResp have identical structure, so process both
* of them in this function. */
- if (ifsta->state != IEEE80211_STA_MLME_ASSOCIATE)
+ if (ifmgd->state != IEEE80211_STA_MLME_ASSOCIATE)
return;
if (len < 24 + 6)
return;
- if (memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0)
+ if (memcmp(ifmgd->bssid, mgmt->sa, ETH_ALEN) != 0)
return;
capab_info = le16_to_cpu(mgmt->u.assoc_resp.capab_info);
@@ -1381,7 +1189,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
"comeback duration %u TU (%u ms)\n",
sdata->dev->name, tu, ms);
if (ms > IEEE80211_ASSOC_TIMEOUT)
- mod_timer(&ifsta->timer,
+ mod_timer(&ifmgd->timer,
jiffies + msecs_to_jiffies(ms));
return;
}
@@ -1392,7 +1200,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
/* if this was a reassociation, ensure we try a "full"
* association next time. This works around some broken APs
* which do not correctly reject reassociation requests. */
- ifsta->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
+ ifmgd->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
return;
}
@@ -1408,23 +1216,23 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
}
printk(KERN_DEBUG "%s: associated\n", sdata->dev->name);
- ifsta->aid = aid;
- ifsta->ap_capab = capab_info;
+ ifmgd->aid = aid;
+ ifmgd->ap_capab = capab_info;
- kfree(ifsta->assocresp_ies);
- ifsta->assocresp_ies_len = len - (pos - (u8 *) mgmt);
- ifsta->assocresp_ies = kmalloc(ifsta->assocresp_ies_len, GFP_KERNEL);
- if (ifsta->assocresp_ies)
- memcpy(ifsta->assocresp_ies, pos, ifsta->assocresp_ies_len);
+ kfree(ifmgd->assocresp_ies);
+ ifmgd->assocresp_ies_len = len - (pos - (u8 *) mgmt);
+ ifmgd->assocresp_ies = kmalloc(ifmgd->assocresp_ies_len, GFP_KERNEL);
+ if (ifmgd->assocresp_ies)
+ memcpy(ifmgd->assocresp_ies, pos, ifmgd->assocresp_ies_len);
rcu_read_lock();
/* Add STA entry for the AP */
- sta = sta_info_get(local, ifsta->bssid);
+ sta = sta_info_get(local, ifmgd->bssid);
if (!sta) {
newsta = true;
- sta = sta_info_alloc(sdata, ifsta->bssid, GFP_ATOMIC);
+ sta = sta_info_alloc(sdata, ifmgd->bssid, GFP_ATOMIC);
if (!sta) {
printk(KERN_DEBUG "%s: failed to alloc STA entry for"
" the AP\n", sdata->dev->name);
@@ -1505,7 +1313,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
rate_control_rate_init(sta);
- if (ifsta->flags & IEEE80211_STA_MFP_ENABLED)
+ if (ifmgd->flags & IEEE80211_STA_MFP_ENABLED)
set_sta_flags(sta, WLAN_STA_MFP);
if (elems.wmm_param)
@@ -1524,12 +1332,12 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
rcu_read_unlock();
if (elems.wmm_param)
- ieee80211_sta_wmm_params(local, ifsta, elems.wmm_param,
+ ieee80211_sta_wmm_params(local, ifmgd, elems.wmm_param,
elems.wmm_param_len);
if (elems.ht_info_elem && elems.wmm_param &&
- (ifsta->flags & IEEE80211_STA_WMM_ENABLED) &&
- !(ifsta->flags & IEEE80211_STA_TKIP_WEP_USED))
+ (ifmgd->flags & IEEE80211_STA_WMM_ENABLED) &&
+ !(ifmgd->flags & IEEE80211_STA_TKIP_WEP_USED))
changed |= ieee80211_enable_ht(sdata, elems.ht_info_elem,
ap_ht_cap_flags);
@@ -1537,163 +1345,12 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
* ieee80211_set_associated() will tell the driver */
bss_conf->aid = aid;
bss_conf->assoc_capability = capab_info;
- ieee80211_set_associated(sdata, ifsta, changed);
+ ieee80211_set_associated(sdata, changed);
- ieee80211_associated(sdata, ifsta);
+ ieee80211_associated(sdata);
}
-static int __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta,
- const u8 *bssid, const int beacon_int,
- const int freq,
- const size_t supp_rates_len,
- const u8 *supp_rates,
- const u16 capability)
-{
- struct ieee80211_local *local = sdata->local;
- int res = 0, rates, i, j;
- struct sk_buff *skb;
- struct ieee80211_mgmt *mgmt;
- u8 *pos;
- struct ieee80211_supported_band *sband;
- union iwreq_data wrqu;
-
- if (local->ops->reset_tsf) {
- /* Reset own TSF to allow time synchronization work. */
- local->ops->reset_tsf(local_to_hw(local));
- }
-
- if ((ifsta->flags & IEEE80211_STA_PREV_BSSID_SET) &&
- memcmp(ifsta->bssid, bssid, ETH_ALEN) == 0)
- return res;
-
- skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400 +
- sdata->u.sta.ie_proberesp_len);
- if (!skb) {
- printk(KERN_DEBUG "%s: failed to allocate buffer for probe "
- "response\n", sdata->dev->name);
- return -ENOMEM;
- }
-
- if (!(ifsta->flags & IEEE80211_STA_PREV_BSSID_SET)) {
- /* Remove possible STA entries from other IBSS networks. */
- sta_info_flush_delayed(sdata);
- }
-
- memcpy(ifsta->bssid, bssid, ETH_ALEN);
- res = ieee80211_if_config(sdata, IEEE80211_IFCC_BSSID);
- if (res)
- return res;
-
- local->hw.conf.beacon_int = beacon_int >= 10 ? beacon_int : 10;
-
- sdata->drop_unencrypted = capability &
- WLAN_CAPABILITY_PRIVACY ? 1 : 0;
-
- res = ieee80211_set_freq(sdata, freq);
-
- if (res)
- return res;
-
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-
- /* Build IBSS probe response */
-
- skb_reserve(skb, local->hw.extra_tx_headroom);
-
- mgmt = (struct ieee80211_mgmt *)
- skb_put(skb, 24 + sizeof(mgmt->u.beacon));
- memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon));
- mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
- IEEE80211_STYPE_PROBE_RESP);
- memset(mgmt->da, 0xff, ETH_ALEN);
- memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
- memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
- mgmt->u.beacon.beacon_int =
- cpu_to_le16(local->hw.conf.beacon_int);
- mgmt->u.beacon.capab_info = cpu_to_le16(capability);
-
- pos = skb_put(skb, 2 + ifsta->ssid_len);
- *pos++ = WLAN_EID_SSID;
- *pos++ = ifsta->ssid_len;
- memcpy(pos, ifsta->ssid, ifsta->ssid_len);
-
- rates = supp_rates_len;
- if (rates > 8)
- rates = 8;
- pos = skb_put(skb, 2 + rates);
- *pos++ = WLAN_EID_SUPP_RATES;
- *pos++ = rates;
- memcpy(pos, supp_rates, rates);
-
- if (sband->band == IEEE80211_BAND_2GHZ) {
- pos = skb_put(skb, 2 + 1);
- *pos++ = WLAN_EID_DS_PARAMS;
- *pos++ = 1;
- *pos++ = ieee80211_frequency_to_channel(freq);
- }
-
- pos = skb_put(skb, 2 + 2);
- *pos++ = WLAN_EID_IBSS_PARAMS;
- *pos++ = 2;
- /* FIX: set ATIM window based on scan results */
- *pos++ = 0;
- *pos++ = 0;
-
- if (supp_rates_len > 8) {
- rates = supp_rates_len - 8;
- pos = skb_put(skb, 2 + rates);
- *pos++ = WLAN_EID_EXT_SUPP_RATES;
- *pos++ = rates;
- memcpy(pos, &supp_rates[8], rates);
- }
-
- add_extra_ies(skb, sdata->u.sta.ie_proberesp,
- sdata->u.sta.ie_proberesp_len);
-
- ifsta->probe_resp = skb;
-
- ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON |
- IEEE80211_IFCC_BEACON_ENABLED);
-
-
- rates = 0;
- for (i = 0; i < supp_rates_len; i++) {
- int bitrate = (supp_rates[i] & 0x7f) * 5;
- for (j = 0; j < sband->n_bitrates; j++)
- if (sband->bitrates[j].bitrate == bitrate)
- rates |= BIT(j);
- }
- ifsta->supp_rates_bits[local->hw.conf.channel->band] = rates;
-
- ieee80211_sta_def_wmm_params(sdata, supp_rates_len, supp_rates);
-
- ifsta->flags |= IEEE80211_STA_PREV_BSSID_SET;
- ifsta->state = IEEE80211_STA_MLME_IBSS_JOINED;
- mod_timer(&ifsta->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL);
-
- ieee80211_led_assoc(local, true);
-
- memset(&wrqu, 0, sizeof(wrqu));
- memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
- wireless_send_event(sdata->dev, SIOCGIWAP, &wrqu, NULL);
-
- return res;
-}
-
-static int ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta,
- struct ieee80211_bss *bss)
-{
- return __ieee80211_sta_join_ibss(sdata, ifsta,
- bss->cbss.bssid,
- bss->cbss.beacon_interval,
- bss->cbss.channel->center_freq,
- bss->supp_rates_len, bss->supp_rates,
- bss->cbss.capability);
-}
-
static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt,
size_t len,
@@ -1704,11 +1361,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
int freq;
struct ieee80211_bss *bss;
- struct sta_info *sta;
struct ieee80211_channel *channel;
- u64 beacon_timestamp, rx_timestamp;
- u32 supp_rates = 0;
- enum ieee80211_band band = rx_status->band;
if (elems->ds_params && elems->ds_params_len == 1)
freq = ieee80211_channel_to_frequency(elems->ds_params[0]);
@@ -1720,133 +1373,18 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
return;
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC && elems->supp_rates &&
- memcmp(mgmt->bssid, sdata->u.sta.bssid, ETH_ALEN) == 0) {
- supp_rates = ieee80211_sta_get_rates(local, elems, band);
-
- rcu_read_lock();
-
- sta = sta_info_get(local, mgmt->sa);
- if (sta) {
- u32 prev_rates;
-
- prev_rates = sta->sta.supp_rates[band];
- /* make sure mandatory rates are always added */
- sta->sta.supp_rates[band] = supp_rates |
- ieee80211_mandatory_rates(local, band);
-
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- if (sta->sta.supp_rates[band] != prev_rates)
- printk(KERN_DEBUG "%s: updated supp_rates set "
- "for %pM based on beacon info (0x%llx | "
- "0x%llx -> 0x%llx)\n",
- sdata->dev->name,
- sta->sta.addr,
- (unsigned long long) prev_rates,
- (unsigned long long) supp_rates,
- (unsigned long long) sta->sta.supp_rates[band]);
-#endif
- } else {
- ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa, supp_rates);
- }
-
- rcu_read_unlock();
- }
-
bss = ieee80211_bss_info_update(local, rx_status, mgmt, len, elems,
channel, beacon);
if (!bss)
return;
if (elems->ch_switch_elem && (elems->ch_switch_elem_len == 3) &&
- (memcmp(mgmt->bssid, sdata->u.sta.bssid, ETH_ALEN) == 0)) {
+ (memcmp(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN) == 0)) {
struct ieee80211_channel_sw_ie *sw_elem =
(struct ieee80211_channel_sw_ie *)elems->ch_switch_elem;
ieee80211_process_chanswitch(sdata, sw_elem, bss);
}
- /* was just updated in ieee80211_bss_info_update */
- beacon_timestamp = bss->cbss.tsf;
-
- if (sdata->vif.type != NL80211_IFTYPE_ADHOC)
- goto put_bss;
-
- /* check if we need to merge IBSS */
-
- /* merge only on beacons (???) */
- if (!beacon)
- goto put_bss;
-
- /* we use a fixed BSSID */
- if (sdata->u.sta.flags & IEEE80211_STA_BSSID_SET)
- goto put_bss;
-
- /* not an IBSS */
- if (!(bss->cbss.capability & WLAN_CAPABILITY_IBSS))
- goto put_bss;
-
- /* different channel */
- if (bss->cbss.channel != local->oper_channel)
- goto put_bss;
-
- /* different SSID */
- if (elems->ssid_len != sdata->u.sta.ssid_len ||
- memcmp(elems->ssid, sdata->u.sta.ssid,
- sdata->u.sta.ssid_len))
- goto put_bss;
-
- if (rx_status->flag & RX_FLAG_TSFT) {
- /*
- * For correct IBSS merging we need mactime; since mactime is
- * defined as the time the first data symbol of the frame hits
- * the PHY, and the timestamp of the beacon is defined as "the
- * time that the data symbol containing the first bit of the
- * timestamp is transmitted to the PHY plus the transmitting
- * STA's delays through its local PHY from the MAC-PHY
- * interface to its interface with the WM" (802.11 11.1.2)
- * - equals the time this bit arrives at the receiver - we have
- * to take into account the offset between the two.
- *
- * E.g. at 1 MBit that means mactime is 192 usec earlier
- * (=24 bytes * 8 usecs/byte) than the beacon timestamp.
- */
- int rate;
-
- if (rx_status->flag & RX_FLAG_HT)
- rate = 65; /* TODO: HT rates */
- else
- rate = local->hw.wiphy->bands[band]->
- bitrates[rx_status->rate_idx].bitrate;
-
- rx_timestamp = rx_status->mactime + (24 * 8 * 10 / rate);
- } else if (local && local->ops && local->ops->get_tsf)
- /* second best option: get current TSF */
- rx_timestamp = local->ops->get_tsf(local_to_hw(local));
- else
- /* can't merge without knowing the TSF */
- rx_timestamp = -1LLU;
-
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "RX beacon SA=%pM BSSID="
- "%pM TSF=0x%llx BCN=0x%llx diff=%lld @%lu\n",
- mgmt->sa, mgmt->bssid,
- (unsigned long long)rx_timestamp,
- (unsigned long long)beacon_timestamp,
- (unsigned long long)(rx_timestamp - beacon_timestamp),
- jiffies);
-#endif
-
- if (beacon_timestamp > rx_timestamp) {
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: beacon TSF higher than "
- "local TSF - IBSS merge with BSSID %pM\n",
- sdata->dev->name, mgmt->bssid);
-#endif
- ieee80211_sta_join_ibss(sdata, &sdata->u.sta, bss);
- ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa, supp_rates);
- }
-
- put_bss:
ieee80211_rx_bss_put(local, bss);
}
@@ -1858,7 +1396,6 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata,
{
size_t baselen;
struct ieee802_11_elems elems;
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
if (memcmp(mgmt->da, sdata->dev->dev_addr, ETH_ALEN))
return; /* ignore ProbeResp to foreign address */
@@ -1874,20 +1411,19 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata,
/* direct probe may be part of the association flow */
if (test_and_clear_bit(IEEE80211_STA_REQ_DIRECT_PROBE,
- &ifsta->request)) {
+ &sdata->u.mgd.request)) {
printk(KERN_DEBUG "%s direct probe responded\n",
sdata->dev->name);
- ieee80211_authenticate(sdata, ifsta);
+ ieee80211_authenticate(sdata);
}
}
-
static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt,
size_t len,
struct ieee80211_rx_status *rx_status)
{
- struct ieee80211_if_sta *ifsta;
+ struct ieee80211_if_managed *ifmgd;
size_t baselen;
struct ieee802_11_elems elems;
struct ieee80211_local *local = sdata->local;
@@ -1906,21 +1442,22 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
if (sdata->vif.type != NL80211_IFTYPE_STATION)
return;
- ifsta = &sdata->u.sta;
- if (!(ifsta->flags & IEEE80211_STA_ASSOCIATED) ||
- memcmp(ifsta->bssid, mgmt->bssid, ETH_ALEN) != 0)
+ ifmgd = &sdata->u.mgd;
+
+ if (!(ifmgd->flags & IEEE80211_STA_ASSOCIATED) ||
+ memcmp(ifmgd->bssid, mgmt->bssid, ETH_ALEN) != 0)
return;
if (rx_status->freq != local->hw.conf.channel->center_freq)
return;
- ieee80211_sta_wmm_params(local, ifsta, elems.wmm_param,
+ ieee80211_sta_wmm_params(local, ifmgd, elems.wmm_param,
elems.wmm_param_len);
if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK &&
local->hw.conf.flags & IEEE80211_CONF_PS) {
- directed_tim = ieee80211_check_tim(&elems, ifsta->aid);
+ directed_tim = ieee80211_check_tim(&elems, ifmgd->aid);
if (directed_tim) {
if (local->hw.conf.dynamic_ps_timeout > 0) {
@@ -1956,14 +1493,14 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
if (elems.ht_cap_elem && elems.ht_info_elem && elems.wmm_param &&
- !(ifsta->flags & IEEE80211_STA_TKIP_WEP_USED)) {
+ !(ifmgd->flags & IEEE80211_STA_TKIP_WEP_USED)) {
struct sta_info *sta;
struct ieee80211_supported_band *sband;
u16 ap_ht_cap_flags;
rcu_read_lock();
- sta = sta_info_get(local, ifsta->bssid);
+ sta = sta_info_get(local, ifmgd->bssid);
if (!sta) {
rcu_read_unlock();
return;
@@ -1999,85 +1536,16 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ieee80211_bss_info_change_notify(sdata, changed);
}
-
-static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta,
- struct ieee80211_mgmt *mgmt,
- size_t len)
+ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb,
+ struct ieee80211_rx_status *rx_status)
{
struct ieee80211_local *local = sdata->local;
- int tx_last_beacon;
- struct sk_buff *skb;
- struct ieee80211_mgmt *resp;
- u8 *pos, *end;
-
- if (ifsta->state != IEEE80211_STA_MLME_IBSS_JOINED ||
- len < 24 + 2 || !ifsta->probe_resp)
- return;
-
- if (local->ops->tx_last_beacon)
- tx_last_beacon = local->ops->tx_last_beacon(local_to_hw(local));
- else
- tx_last_beacon = 1;
-
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: RX ProbeReq SA=%pM DA=%pM BSSID=%pM"
- " (tx_last_beacon=%d)\n",
- sdata->dev->name, mgmt->sa, mgmt->da,
- mgmt->bssid, tx_last_beacon);
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
-
- if (!tx_last_beacon)
- return;
-
- if (memcmp(mgmt->bssid, ifsta->bssid, ETH_ALEN) != 0 &&
- memcmp(mgmt->bssid, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) != 0)
- return;
-
- end = ((u8 *) mgmt) + len;
- pos = mgmt->u.probe_req.variable;
- if (pos[0] != WLAN_EID_SSID ||
- pos + 2 + pos[1] > end) {
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: Invalid SSID IE in ProbeReq "
- "from %pM\n",
- sdata->dev->name, mgmt->sa);
-#endif
- return;
- }
- if (pos[1] != 0 &&
- (pos[1] != ifsta->ssid_len ||
- memcmp(pos + 2, ifsta->ssid, ifsta->ssid_len) != 0)) {
- /* Ignore ProbeReq for foreign SSID */
- return;
- }
-
- /* Reply with ProbeResp */
- skb = skb_copy(ifsta->probe_resp, GFP_KERNEL);
- if (!skb)
- return;
-
- resp = (struct ieee80211_mgmt *) skb->data;
- memcpy(resp->da, mgmt->sa, ETH_ALEN);
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: Sending ProbeResp to %pM\n",
- sdata->dev->name, resp->da);
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
- ieee80211_tx_skb(sdata, skb, 0);
-}
-
-void ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
- struct ieee80211_rx_status *rx_status)
-{
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_if_sta *ifsta;
struct ieee80211_mgmt *mgmt;
u16 fc;
if (skb->len < 24)
- goto fail;
-
- ifsta = &sdata->u.sta;
+ return RX_DROP_MONITOR;
mgmt = (struct ieee80211_mgmt *) skb->data;
fc = le16_to_cpu(mgmt->frame_control);
@@ -2092,147 +1560,68 @@ void ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *
case IEEE80211_STYPE_REASSOC_RESP:
case IEEE80211_STYPE_DEAUTH:
case IEEE80211_STYPE_DISASSOC:
- skb_queue_tail(&ifsta->skb_queue, skb);
- queue_work(local->hw.workqueue, &ifsta->work);
- return;
+ skb_queue_tail(&sdata->u.mgd.skb_queue, skb);
+ queue_work(local->hw.workqueue, &sdata->u.mgd.work);
+ return RX_QUEUED;
}
- fail:
- kfree_skb(skb);
+ return RX_DROP_MONITOR;
}
static void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb)
{
struct ieee80211_rx_status *rx_status;
- struct ieee80211_if_sta *ifsta;
struct ieee80211_mgmt *mgmt;
u16 fc;
- ifsta = &sdata->u.sta;
-
rx_status = (struct ieee80211_rx_status *) skb->cb;
mgmt = (struct ieee80211_mgmt *) skb->data;
fc = le16_to_cpu(mgmt->frame_control);
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
- switch (fc & IEEE80211_FCTL_STYPE) {
- case IEEE80211_STYPE_PROBE_REQ:
- ieee80211_rx_mgmt_probe_req(sdata, ifsta, mgmt,
- skb->len);
- break;
- case IEEE80211_STYPE_PROBE_RESP:
- ieee80211_rx_mgmt_probe_resp(sdata, mgmt, skb->len,
- rx_status);
- break;
- case IEEE80211_STYPE_BEACON:
- ieee80211_rx_mgmt_beacon(sdata, mgmt, skb->len,
- rx_status);
- break;
- case IEEE80211_STYPE_AUTH:
- ieee80211_rx_mgmt_auth_ibss(sdata, ifsta, mgmt,
- skb->len);
- break;
- }
- } else { /* NL80211_IFTYPE_STATION */
- switch (fc & IEEE80211_FCTL_STYPE) {
- case IEEE80211_STYPE_PROBE_RESP:
- ieee80211_rx_mgmt_probe_resp(sdata, mgmt, skb->len,
- rx_status);
- break;
- case IEEE80211_STYPE_BEACON:
- ieee80211_rx_mgmt_beacon(sdata, mgmt, skb->len,
- rx_status);
- break;
- case IEEE80211_STYPE_AUTH:
- ieee80211_rx_mgmt_auth(sdata, ifsta, mgmt, skb->len);
- break;
- case IEEE80211_STYPE_ASSOC_RESP:
- ieee80211_rx_mgmt_assoc_resp(sdata, ifsta, mgmt,
- skb->len, 0);
- break;
- case IEEE80211_STYPE_REASSOC_RESP:
- ieee80211_rx_mgmt_assoc_resp(sdata, ifsta, mgmt,
- skb->len, 1);
- break;
- case IEEE80211_STYPE_DEAUTH:
- ieee80211_rx_mgmt_deauth(sdata, ifsta, mgmt, skb->len);
- break;
- case IEEE80211_STYPE_DISASSOC:
- ieee80211_rx_mgmt_disassoc(sdata, ifsta, mgmt,
- skb->len);
- break;
- }
+ switch (fc & IEEE80211_FCTL_STYPE) {
+ case IEEE80211_STYPE_PROBE_RESP:
+ ieee80211_rx_mgmt_probe_resp(sdata, mgmt, skb->len,
+ rx_status);
+ break;
+ case IEEE80211_STYPE_BEACON:
+ ieee80211_rx_mgmt_beacon(sdata, mgmt, skb->len,
+ rx_status);
+ break;
+ case IEEE80211_STYPE_AUTH:
+ ieee80211_rx_mgmt_auth(sdata, mgmt, skb->len);
+ break;
+ case IEEE80211_STYPE_ASSOC_RESP:
+ ieee80211_rx_mgmt_assoc_resp(sdata, mgmt, skb->len, 0);
+ break;
+ case IEEE80211_STYPE_REASSOC_RESP:
+ ieee80211_rx_mgmt_assoc_resp(sdata, mgmt, skb->len, 1);
+ break;
+ case IEEE80211_STYPE_DEAUTH:
+ ieee80211_rx_mgmt_deauth(sdata, mgmt, skb->len);
+ break;
+ case IEEE80211_STYPE_DISASSOC:
+ ieee80211_rx_mgmt_disassoc(sdata, mgmt, skb->len);
+ break;
}
kfree_skb(skb);
}
-
-static int ieee80211_sta_active_ibss(struct ieee80211_sub_if_data *sdata)
-{
- struct ieee80211_local *local = sdata->local;
- int active = 0;
- struct sta_info *sta;
-
- rcu_read_lock();
-
- list_for_each_entry_rcu(sta, &local->sta_list, list) {
- if (sta->sdata == sdata &&
- time_after(sta->last_rx + IEEE80211_IBSS_MERGE_INTERVAL,
- jiffies)) {
- active++;
- break;
- }
- }
-
- rcu_read_unlock();
-
- return active;
-}
-
-
-static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
-{
- mod_timer(&ifsta->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL);
-
- ieee80211_sta_expire(sdata, IEEE80211_IBSS_INACTIVITY_LIMIT);
- if (ieee80211_sta_active_ibss(sdata))
- return;
-
- if ((sdata->u.sta.flags & IEEE80211_STA_BSSID_SET) &&
- (!(sdata->u.sta.flags & IEEE80211_STA_AUTO_CHANNEL_SEL)))
- return;
-
- printk(KERN_DEBUG "%s: No active IBSS STAs - trying to scan for other "
- "IBSS networks with same SSID (merge)\n", sdata->dev->name);
-
- /* XXX maybe racy? */
- if (sdata->local->scan_req)
- return;
-
- memcpy(sdata->local->int_scan_req.ssids[0].ssid,
- ifsta->ssid, IEEE80211_MAX_SSID_LEN);
- sdata->local->int_scan_req.ssids[0].ssid_len = ifsta->ssid_len;
- ieee80211_request_scan(sdata, &sdata->local->int_scan_req);
-}
-
-
static void ieee80211_sta_timer(unsigned long data)
{
struct ieee80211_sub_if_data *sdata =
(struct ieee80211_sub_if_data *) data;
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
- set_bit(IEEE80211_STA_REQ_RUN, &ifsta->request);
- queue_work(local->hw.workqueue, &ifsta->work);
+ set_bit(IEEE80211_STA_REQ_RUN, &ifmgd->request);
+ queue_work(local->hw.workqueue, &ifmgd->work);
}
-static void ieee80211_sta_reset_auth(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
+static void ieee80211_sta_reset_auth(struct ieee80211_sub_if_data *sdata)
{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
if (local->ops->reset_tsf) {
@@ -2240,191 +1629,39 @@ static void ieee80211_sta_reset_auth(struct ieee80211_sub_if_data *sdata,
local->ops->reset_tsf(local_to_hw(local));
}
- ifsta->wmm_last_param_set = -1; /* allow any WMM update */
+ ifmgd->wmm_last_param_set = -1; /* allow any WMM update */
- if (ifsta->auth_algs & IEEE80211_AUTH_ALG_OPEN)
- ifsta->auth_alg = WLAN_AUTH_OPEN;
- else if (ifsta->auth_algs & IEEE80211_AUTH_ALG_SHARED_KEY)
- ifsta->auth_alg = WLAN_AUTH_SHARED_KEY;
- else if (ifsta->auth_algs & IEEE80211_AUTH_ALG_LEAP)
- ifsta->auth_alg = WLAN_AUTH_LEAP;
+ if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_OPEN)
+ ifmgd->auth_alg = WLAN_AUTH_OPEN;
+ else if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_SHARED_KEY)
+ ifmgd->auth_alg = WLAN_AUTH_SHARED_KEY;
+ else if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_LEAP)
+ ifmgd->auth_alg = WLAN_AUTH_LEAP;
else
- ifsta->auth_alg = WLAN_AUTH_OPEN;
- ifsta->auth_transaction = -1;
- ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;
- ifsta->assoc_scan_tries = 0;
- ifsta->direct_probe_tries = 0;
- ifsta->auth_tries = 0;
- ifsta->assoc_tries = 0;
+ ifmgd->auth_alg = WLAN_AUTH_OPEN;
+ ifmgd->auth_transaction = -1;
+ ifmgd->flags &= ~IEEE80211_STA_ASSOCIATED;
+ ifmgd->assoc_scan_tries = 0;
+ ifmgd->direct_probe_tries = 0;
+ ifmgd->auth_tries = 0;
+ ifmgd->assoc_tries = 0;
netif_tx_stop_all_queues(sdata->dev);
netif_carrier_off(sdata->dev);
}
-static int ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
-{
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_supported_band *sband;
- u8 *pos;
- u8 bssid[ETH_ALEN];
- u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
- u16 capability;
- int i;
-
- if (sdata->u.sta.flags & IEEE80211_STA_BSSID_SET) {
- memcpy(bssid, ifsta->bssid, ETH_ALEN);
- } else {
- /* Generate random, not broadcast, locally administered BSSID. Mix in
- * own MAC address to make sure that devices that do not have proper
- * random number generator get different BSSID. */
- get_random_bytes(bssid, ETH_ALEN);
- for (i = 0; i < ETH_ALEN; i++)
- bssid[i] ^= sdata->dev->dev_addr[i];
- bssid[0] &= ~0x01;
- bssid[0] |= 0x02;
- }
-
- printk(KERN_DEBUG "%s: Creating new IBSS network, BSSID %pM\n",
- sdata->dev->name, bssid);
-
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-
- if (local->hw.conf.beacon_int == 0)
- local->hw.conf.beacon_int = 100;
-
- capability = WLAN_CAPABILITY_IBSS;
-
- if (sdata->default_key)
- capability |= WLAN_CAPABILITY_PRIVACY;
- else
- sdata->drop_unencrypted = 0;
-
- pos = supp_rates;
- for (i = 0; i < sband->n_bitrates; i++) {
- int rate = sband->bitrates[i].bitrate;
- *pos++ = (u8) (rate / 5);
- }
-
- return __ieee80211_sta_join_ibss(sdata, ifsta,
- bssid, local->hw.conf.beacon_int,
- local->hw.conf.channel->center_freq,
- sband->n_bitrates, supp_rates,
- capability);
-}
-
-
-static int ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
+static int ieee80211_sta_config_auth(struct ieee80211_sub_if_data *sdata)
{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
struct ieee80211_bss *bss;
- int active_ibss;
-
- if (ifsta->ssid_len == 0)
- return -EINVAL;
-
- active_ibss = ieee80211_sta_active_ibss(sdata);
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: sta_find_ibss (active_ibss=%d)\n",
- sdata->dev->name, active_ibss);
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
-
- if (active_ibss)
- return 0;
-
- if (ifsta->flags & IEEE80211_STA_BSSID_SET)
- bss = ieee80211_rx_bss_get(local, ifsta->bssid, 0,
- ifsta->ssid, ifsta->ssid_len);
- else
- bss = (void *)cfg80211_get_ibss(local->hw.wiphy,
- NULL,
- ifsta->ssid, ifsta->ssid_len);
-
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- if (bss)
- printk(KERN_DEBUG " sta_find_ibss: selected %pM current "
- "%pM\n", bss->cbss.bssid, ifsta->bssid);
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
-
- if (bss &&
- (!(ifsta->flags & IEEE80211_STA_PREV_BSSID_SET) ||
- memcmp(ifsta->bssid, bss->cbss.bssid, ETH_ALEN))) {
- int ret;
-
- printk(KERN_DEBUG "%s: Selected IBSS BSSID %pM"
- " based on configured SSID\n",
- sdata->dev->name, bss->cbss.bssid);
-
- ret = ieee80211_sta_join_ibss(sdata, ifsta, bss);
- ieee80211_rx_bss_put(local, bss);
- return ret;
- } else if (bss)
- ieee80211_rx_bss_put(local, bss);
-
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG " did not try to join ibss\n");
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
-
- /* Selected IBSS not found in current scan results - try to scan */
- if (ifsta->state == IEEE80211_STA_MLME_IBSS_JOINED &&
- !ieee80211_sta_active_ibss(sdata)) {
- mod_timer(&ifsta->timer, jiffies +
- IEEE80211_IBSS_MERGE_INTERVAL);
- } else if (time_after(jiffies, local->last_scan_completed +
- IEEE80211_SCAN_INTERVAL)) {
- printk(KERN_DEBUG "%s: Trigger new scan to find an IBSS to "
- "join\n", sdata->dev->name);
-
- /* XXX maybe racy? */
- if (local->scan_req)
- return -EBUSY;
-
- memcpy(local->int_scan_req.ssids[0].ssid,
- ifsta->ssid, IEEE80211_MAX_SSID_LEN);
- local->int_scan_req.ssids[0].ssid_len = ifsta->ssid_len;
- return ieee80211_request_scan(sdata, &local->int_scan_req);
- } else if (ifsta->state != IEEE80211_STA_MLME_IBSS_JOINED) {
- int interval = IEEE80211_SCAN_INTERVAL;
-
- if (time_after(jiffies, ifsta->ibss_join_req +
- IEEE80211_IBSS_JOIN_TIMEOUT)) {
- if ((ifsta->flags & IEEE80211_STA_CREATE_IBSS) &&
- (!(local->oper_channel->flags &
- IEEE80211_CHAN_NO_IBSS)))
- return ieee80211_sta_create_ibss(sdata, ifsta);
- if (ifsta->flags & IEEE80211_STA_CREATE_IBSS) {
- printk(KERN_DEBUG "%s: IBSS not allowed on"
- " %d MHz\n", sdata->dev->name,
- local->hw.conf.channel->center_freq);
- }
-
- /* No IBSS found - decrease scan interval and continue
- * scanning. */
- interval = IEEE80211_SCAN_INTERVAL_SLOW;
- }
-
- ifsta->state = IEEE80211_STA_MLME_IBSS_SEARCH;
- mod_timer(&ifsta->timer, jiffies + interval);
- return 0;
- }
-
- return 0;
-}
-
-
-static int ieee80211_sta_config_auth(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
-{
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_bss *bss;
- u8 *bssid = ifsta->bssid, *ssid = ifsta->ssid;
- u8 ssid_len = ifsta->ssid_len;
+ u8 *bssid = ifmgd->bssid, *ssid = ifmgd->ssid;
+ u8 ssid_len = ifmgd->ssid_len;
u16 capa_mask = WLAN_CAPABILITY_ESS;
u16 capa_val = WLAN_CAPABILITY_ESS;
struct ieee80211_channel *chan = local->oper_channel;
- if (ifsta->flags & (IEEE80211_STA_AUTO_SSID_SEL |
+ if (ifmgd->flags & (IEEE80211_STA_AUTO_SSID_SEL |
IEEE80211_STA_AUTO_BSSID_SEL |
IEEE80211_STA_AUTO_CHANNEL_SEL)) {
capa_mask |= WLAN_CAPABILITY_PRIVACY;
@@ -2432,13 +1669,13 @@ static int ieee80211_sta_config_auth(struct ieee80211_sub_if_data *sdata,
capa_val |= WLAN_CAPABILITY_PRIVACY;
}
- if (ifsta->flags & IEEE80211_STA_AUTO_CHANNEL_SEL)
+ if (ifmgd->flags & IEEE80211_STA_AUTO_CHANNEL_SEL)
chan = NULL;
- if (ifsta->flags & IEEE80211_STA_AUTO_BSSID_SEL)
+ if (ifmgd->flags & IEEE80211_STA_AUTO_BSSID_SEL)
bssid = NULL;
- if (ifsta->flags & IEEE80211_STA_AUTO_SSID_SEL) {
+ if (ifmgd->flags & IEEE80211_STA_AUTO_SSID_SEL) {
ssid = NULL;
ssid_len = 0;
}
@@ -2449,16 +1686,16 @@ static int ieee80211_sta_config_auth(struct ieee80211_sub_if_data *sdata,
if (bss) {
ieee80211_set_freq(sdata, bss->cbss.channel->center_freq);
- if (!(ifsta->flags & IEEE80211_STA_SSID_SET))
+ if (!(ifmgd->flags & IEEE80211_STA_SSID_SET))
ieee80211_sta_set_ssid(sdata, bss->ssid,
bss->ssid_len);
ieee80211_sta_set_bssid(sdata, bss->cbss.bssid);
ieee80211_sta_def_wmm_params(sdata, bss->supp_rates_len,
bss->supp_rates);
- if (sdata->u.sta.mfp == IEEE80211_MFP_REQUIRED)
- sdata->u.sta.flags |= IEEE80211_STA_MFP_ENABLED;
+ if (sdata->u.mgd.mfp == IEEE80211_MFP_REQUIRED)
+ sdata->u.mgd.flags |= IEEE80211_STA_MFP_ENABLED;
else
- sdata->u.sta.flags &= ~IEEE80211_STA_MFP_ENABLED;
+ sdata->u.mgd.flags &= ~IEEE80211_STA_MFP_ENABLED;
/* Send out direct probe if no probe resp was received or
* the one we have is outdated
@@ -2466,31 +1703,31 @@ static int ieee80211_sta_config_auth(struct ieee80211_sub_if_data *sdata,
if (!bss->last_probe_resp ||
time_after(jiffies, bss->last_probe_resp
+ IEEE80211_SCAN_RESULT_EXPIRE))
- ifsta->state = IEEE80211_STA_MLME_DIRECT_PROBE;
+ ifmgd->state = IEEE80211_STA_MLME_DIRECT_PROBE;
else
- ifsta->state = IEEE80211_STA_MLME_AUTHENTICATE;
+ ifmgd->state = IEEE80211_STA_MLME_AUTHENTICATE;
ieee80211_rx_bss_put(local, bss);
- ieee80211_sta_reset_auth(sdata, ifsta);
+ ieee80211_sta_reset_auth(sdata);
return 0;
} else {
- if (ifsta->assoc_scan_tries < IEEE80211_ASSOC_SCANS_MAX_TRIES) {
- ifsta->assoc_scan_tries++;
+ if (ifmgd->assoc_scan_tries < IEEE80211_ASSOC_SCANS_MAX_TRIES) {
+ ifmgd->assoc_scan_tries++;
/* XXX maybe racy? */
if (local->scan_req)
return -1;
memcpy(local->int_scan_req.ssids[0].ssid,
- ifsta->ssid, IEEE80211_MAX_SSID_LEN);
- if (ifsta->flags & IEEE80211_STA_AUTO_SSID_SEL)
+ ifmgd->ssid, IEEE80211_MAX_SSID_LEN);
+ if (ifmgd->flags & IEEE80211_STA_AUTO_SSID_SEL)
local->int_scan_req.ssids[0].ssid_len = 0;
else
- local->int_scan_req.ssids[0].ssid_len = ifsta->ssid_len;
+ local->int_scan_req.ssids[0].ssid_len = ifmgd->ssid_len;
ieee80211_start_scan(sdata, &local->int_scan_req);
- ifsta->state = IEEE80211_STA_MLME_AUTHENTICATE;
- set_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request);
+ ifmgd->state = IEEE80211_STA_MLME_AUTHENTICATE;
+ set_bit(IEEE80211_STA_REQ_AUTH, &ifmgd->request);
} else {
- ifsta->assoc_scan_tries = 0;
- ifsta->state = IEEE80211_STA_MLME_DISABLED;
+ ifmgd->assoc_scan_tries = 0;
+ ifmgd->state = IEEE80211_STA_MLME_DISABLED;
}
}
return -1;
@@ -2500,9 +1737,9 @@ static int ieee80211_sta_config_auth(struct ieee80211_sub_if_data *sdata,
static void ieee80211_sta_work(struct work_struct *work)
{
struct ieee80211_sub_if_data *sdata =
- container_of(work, struct ieee80211_sub_if_data, u.sta.work);
+ container_of(work, struct ieee80211_sub_if_data, u.mgd.work);
struct ieee80211_local *local = sdata->local;
- struct ieee80211_if_sta *ifsta;
+ struct ieee80211_if_managed *ifmgd;
struct sk_buff *skb;
if (!netif_running(sdata->dev))
@@ -2511,60 +1748,53 @@ static void ieee80211_sta_work(struct work_struct *work)
if (local->sw_scanning || local->hw_scanning)
return;
- if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION &&
- sdata->vif.type != NL80211_IFTYPE_ADHOC))
+ if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION))
return;
- ifsta = &sdata->u.sta;
+ ifmgd = &sdata->u.mgd;
- while ((skb = skb_dequeue(&ifsta->skb_queue)))
+ while ((skb = skb_dequeue(&ifmgd->skb_queue)))
ieee80211_sta_rx_queued_mgmt(sdata, skb);
- if (ifsta->state != IEEE80211_STA_MLME_DIRECT_PROBE &&
- ifsta->state != IEEE80211_STA_MLME_AUTHENTICATE &&
- ifsta->state != IEEE80211_STA_MLME_ASSOCIATE &&
- test_and_clear_bit(IEEE80211_STA_REQ_SCAN, &ifsta->request)) {
+ if (ifmgd->state != IEEE80211_STA_MLME_DIRECT_PROBE &&
+ ifmgd->state != IEEE80211_STA_MLME_AUTHENTICATE &&
+ ifmgd->state != IEEE80211_STA_MLME_ASSOCIATE &&
+ test_and_clear_bit(IEEE80211_STA_REQ_SCAN, &ifmgd->request)) {
ieee80211_start_scan(sdata, local->scan_req);
return;
}
- if (test_and_clear_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request)) {
- if (ieee80211_sta_config_auth(sdata, ifsta))
+ if (test_and_clear_bit(IEEE80211_STA_REQ_AUTH, &ifmgd->request)) {
+ if (ieee80211_sta_config_auth(sdata))
return;
- clear_bit(IEEE80211_STA_REQ_RUN, &ifsta->request);
- } else if (!test_and_clear_bit(IEEE80211_STA_REQ_RUN, &ifsta->request))
+ clear_bit(IEEE80211_STA_REQ_RUN, &ifmgd->request);
+ } else if (!test_and_clear_bit(IEEE80211_STA_REQ_RUN, &ifmgd->request))
return;
- switch (ifsta->state) {
+ switch (ifmgd->state) {
case IEEE80211_STA_MLME_DISABLED:
break;
case IEEE80211_STA_MLME_DIRECT_PROBE:
- ieee80211_direct_probe(sdata, ifsta);
+ ieee80211_direct_probe(sdata);
break;
case IEEE80211_STA_MLME_AUTHENTICATE:
- ieee80211_authenticate(sdata, ifsta);
+ ieee80211_authenticate(sdata);
break;
case IEEE80211_STA_MLME_ASSOCIATE:
- ieee80211_associate(sdata, ifsta);
+ ieee80211_associate(sdata);
break;
case IEEE80211_STA_MLME_ASSOCIATED:
- ieee80211_associated(sdata, ifsta);
- break;
- case IEEE80211_STA_MLME_IBSS_SEARCH:
- ieee80211_sta_find_ibss(sdata, ifsta);
- break;
- case IEEE80211_STA_MLME_IBSS_JOINED:
- ieee80211_sta_merge_ibss(sdata, ifsta);
+ ieee80211_associated(sdata);
break;
default:
WARN_ON(1);
break;
}
- if (ieee80211_privacy_mismatch(sdata, ifsta)) {
+ if (ieee80211_privacy_mismatch(sdata)) {
printk(KERN_DEBUG "%s: privacy configuration mismatch and "
"mixed-cell disabled - disassociate\n", sdata->dev->name);
- ieee80211_set_disassoc(sdata, ifsta, false, true,
+ ieee80211_set_disassoc(sdata, false, true,
WLAN_REASON_UNSPECIFIED);
}
}
@@ -2573,155 +1803,99 @@ static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
{
if (sdata->vif.type == NL80211_IFTYPE_STATION)
queue_work(sdata->local->hw.workqueue,
- &sdata->u.sta.work);
+ &sdata->u.mgd.work);
}
/* interface setup */
void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
{
- struct ieee80211_if_sta *ifsta;
+ struct ieee80211_if_managed *ifmgd;
- ifsta = &sdata->u.sta;
- INIT_WORK(&ifsta->work, ieee80211_sta_work);
- INIT_WORK(&ifsta->chswitch_work, ieee80211_chswitch_work);
- setup_timer(&ifsta->timer, ieee80211_sta_timer,
+ ifmgd = &sdata->u.mgd;
+ INIT_WORK(&ifmgd->work, ieee80211_sta_work);
+ INIT_WORK(&ifmgd->chswitch_work, ieee80211_chswitch_work);
+ setup_timer(&ifmgd->timer, ieee80211_sta_timer,
(unsigned long) sdata);
- setup_timer(&ifsta->chswitch_timer, ieee80211_chswitch_timer,
+ setup_timer(&ifmgd->chswitch_timer, ieee80211_chswitch_timer,
(unsigned long) sdata);
- skb_queue_head_init(&ifsta->skb_queue);
+ skb_queue_head_init(&ifmgd->skb_queue);
- ifsta->capab = WLAN_CAPABILITY_ESS;
- ifsta->auth_algs = IEEE80211_AUTH_ALG_OPEN |
+ ifmgd->capab = WLAN_CAPABILITY_ESS;
+ ifmgd->auth_algs = IEEE80211_AUTH_ALG_OPEN |
IEEE80211_AUTH_ALG_SHARED_KEY;
- ifsta->flags |= IEEE80211_STA_CREATE_IBSS |
+ ifmgd->flags |= IEEE80211_STA_CREATE_IBSS |
IEEE80211_STA_AUTO_BSSID_SEL |
IEEE80211_STA_AUTO_CHANNEL_SEL;
if (ieee80211_num_regular_queues(&sdata->local->hw) >= 4)
- ifsta->flags |= IEEE80211_STA_WMM_ENABLED;
-}
-
-/*
- * Add a new IBSS station, will also be called by the RX code when,
- * in IBSS mode, receiving a frame from a yet-unknown station, hence
- * must be callable in atomic context.
- */
-struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
- u8 *bssid,u8 *addr, u32 supp_rates)
-{
- struct ieee80211_local *local = sdata->local;
- struct sta_info *sta;
- int band = local->hw.conf.channel->band;
-
- /* TODO: Could consider removing the least recently used entry and
- * allow new one to be added. */
- if (local->num_sta >= IEEE80211_IBSS_MAX_STA_ENTRIES) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: No room for a new IBSS STA "
- "entry %pM\n", sdata->dev->name, addr);
- }
- return NULL;
- }
-
- if (compare_ether_addr(bssid, sdata->u.sta.bssid))
- return NULL;
-
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: Adding new IBSS station %pM (dev=%s)\n",
- wiphy_name(local->hw.wiphy), addr, sdata->dev->name);
-#endif
-
- sta = sta_info_alloc(sdata, addr, GFP_ATOMIC);
- if (!sta)
- return NULL;
-
- set_sta_flags(sta, WLAN_STA_AUTHORIZED);
-
- /* make sure mandatory rates are always added */
- sta->sta.supp_rates[band] = supp_rates |
- ieee80211_mandatory_rates(local, band);
-
- rate_control_rate_init(sta);
-
- if (sta_info_insert(sta))
- return NULL;
-
- return sta;
+ ifmgd->flags |= IEEE80211_STA_WMM_ENABLED;
}
/* configuration hooks */
-void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
+void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata)
{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
- if (sdata->vif.type != NL80211_IFTYPE_STATION)
+ if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION))
return;
- if ((ifsta->flags & (IEEE80211_STA_BSSID_SET |
+ if ((ifmgd->flags & (IEEE80211_STA_BSSID_SET |
IEEE80211_STA_AUTO_BSSID_SEL)) &&
- (ifsta->flags & (IEEE80211_STA_SSID_SET |
+ (ifmgd->flags & (IEEE80211_STA_SSID_SET |
IEEE80211_STA_AUTO_SSID_SEL))) {
- if (ifsta->state == IEEE80211_STA_MLME_ASSOCIATED)
- ieee80211_set_disassoc(sdata, ifsta, true, true,
+ if (ifmgd->state == IEEE80211_STA_MLME_ASSOCIATED)
+ ieee80211_set_disassoc(sdata, true, true,
WLAN_REASON_DEAUTH_LEAVING);
- set_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request);
- queue_work(local->hw.workqueue, &ifsta->work);
+ set_bit(IEEE80211_STA_REQ_AUTH, &ifmgd->request);
+ queue_work(local->hw.workqueue, &ifmgd->work);
}
}
int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len)
{
- struct ieee80211_if_sta *ifsta;
+ struct ieee80211_if_managed *ifmgd;
if (len > IEEE80211_MAX_SSID_LEN)
return -EINVAL;
- ifsta = &sdata->u.sta;
+ ifmgd = &sdata->u.mgd;
- if (ifsta->ssid_len != len || memcmp(ifsta->ssid, ssid, len) != 0) {
- memset(ifsta->ssid, 0, sizeof(ifsta->ssid));
- memcpy(ifsta->ssid, ssid, len);
- ifsta->ssid_len = len;
+ if (ifmgd->ssid_len != len || memcmp(ifmgd->ssid, ssid, len) != 0) {
+ memset(ifmgd->ssid, 0, sizeof(ifmgd->ssid));
+ memcpy(ifmgd->ssid, ssid, len);
+ ifmgd->ssid_len = len;
}
- ifsta->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
+ ifmgd->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
if (len)
- ifsta->flags |= IEEE80211_STA_SSID_SET;
+ ifmgd->flags |= IEEE80211_STA_SSID_SET;
else
- ifsta->flags &= ~IEEE80211_STA_SSID_SET;
-
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
- ifsta->ibss_join_req = jiffies;
- ifsta->state = IEEE80211_STA_MLME_IBSS_SEARCH;
- return ieee80211_sta_find_ibss(sdata, ifsta);
- }
+ ifmgd->flags &= ~IEEE80211_STA_SSID_SET;
return 0;
}
int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len)
{
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
- memcpy(ssid, ifsta->ssid, ifsta->ssid_len);
- *len = ifsta->ssid_len;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ memcpy(ssid, ifmgd->ssid, ifmgd->ssid_len);
+ *len = ifmgd->ssid_len;
return 0;
}
int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid)
{
- struct ieee80211_if_sta *ifsta;
-
- ifsta = &sdata->u.sta;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
if (is_valid_ether_addr(bssid)) {
- memcpy(ifsta->bssid, bssid, ETH_ALEN);
- ifsta->flags |= IEEE80211_STA_BSSID_SET;
+ memcpy(ifmgd->bssid, bssid, ETH_ALEN);
+ ifmgd->flags |= IEEE80211_STA_BSSID_SET;
} else {
- memset(ifsta->bssid, 0, ETH_ALEN);
- ifsta->flags &= ~IEEE80211_STA_BSSID_SET;
+ memset(ifmgd->bssid, 0, ETH_ALEN);
+ ifmgd->flags &= ~IEEE80211_STA_BSSID_SET;
}
if (netif_running(sdata->dev)) {
@@ -2731,47 +1905,44 @@ int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid)
}
}
- return ieee80211_sta_set_ssid(sdata, ifsta->ssid, ifsta->ssid_len);
+ return ieee80211_sta_set_ssid(sdata, ifmgd->ssid, ifmgd->ssid_len);
}
int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, char *ie, size_t len)
{
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- kfree(ifsta->extra_ie);
+ kfree(ifmgd->extra_ie);
if (len == 0) {
- ifsta->extra_ie = NULL;
- ifsta->extra_ie_len = 0;
+ ifmgd->extra_ie = NULL;
+ ifmgd->extra_ie_len = 0;
return 0;
}
- ifsta->extra_ie = kmalloc(len, GFP_KERNEL);
- if (!ifsta->extra_ie) {
- ifsta->extra_ie_len = 0;
+ ifmgd->extra_ie = kmalloc(len, GFP_KERNEL);
+ if (!ifmgd->extra_ie) {
+ ifmgd->extra_ie_len = 0;
return -ENOMEM;
}
- memcpy(ifsta->extra_ie, ie, len);
- ifsta->extra_ie_len = len;
+ memcpy(ifmgd->extra_ie, ie, len);
+ ifmgd->extra_ie_len = len;
return 0;
}
int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason)
{
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-
printk(KERN_DEBUG "%s: deauthenticating by local choice (reason=%d)\n",
sdata->dev->name, reason);
- if (sdata->vif.type != NL80211_IFTYPE_STATION &&
- sdata->vif.type != NL80211_IFTYPE_ADHOC)
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
return -EINVAL;
- ieee80211_set_disassoc(sdata, ifsta, true, true, reason);
+ ieee80211_set_disassoc(sdata, true, true, reason);
return 0;
}
int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason)
{
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
printk(KERN_DEBUG "%s: disassociating by local choice (reason=%d)\n",
sdata->dev->name, reason);
@@ -2779,10 +1950,10 @@ int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason)
if (sdata->vif.type != NL80211_IFTYPE_STATION)
return -EINVAL;
- if (!(ifsta->flags & IEEE80211_STA_ASSOCIATED))
- return -1;
+ if (!(ifmgd->flags & IEEE80211_STA_ASSOCIATED))
+ return -ENOLINK;
- ieee80211_set_disassoc(sdata, ifsta, false, true, reason);
+ ieee80211_set_disassoc(sdata, false, true, reason);
return 0;
}
@@ -2790,14 +1961,6 @@ int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason)
void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata = local->scan_sdata;
- struct ieee80211_if_sta *ifsta;
-
- if (sdata && sdata->vif.type == NL80211_IFTYPE_ADHOC) {
- ifsta = &sdata->u.sta;
- if ((!(ifsta->flags & IEEE80211_STA_PREV_BSSID_SET)) ||
- !ieee80211_sta_active_ibss(sdata))
- ieee80211_sta_find_ibss(sdata, ifsta);
- }
/* Restart STA timers */
rcu_read_lock();
@@ -2844,3 +2007,36 @@ void ieee80211_dynamic_ps_timer(unsigned long data)
queue_work(local->hw.workqueue, &local->dynamic_ps_enable_work);
}
+
+void ieee80211_send_nullfunc(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ int powersave)
+{
+ struct sk_buff *skb;
+ struct ieee80211_hdr *nullfunc;
+ __le16 fc;
+
+ if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION))
+ return;
+
+ skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24);
+ if (!skb) {
+ printk(KERN_DEBUG "%s: failed to allocate buffer for nullfunc "
+ "frame\n", sdata->dev->name);
+ return;
+ }
+ skb_reserve(skb, local->hw.extra_tx_headroom);
+
+ nullfunc = (struct ieee80211_hdr *) skb_put(skb, 24);
+ memset(nullfunc, 0, 24);
+ fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC |
+ IEEE80211_FCTL_TODS);
+ if (powersave)
+ fc |= cpu_to_le16(IEEE80211_FCTL_PM);
+ nullfunc->frame_control = fc;
+ memcpy(nullfunc->addr1, sdata->u.mgd.bssid, ETH_ALEN);
+ memcpy(nullfunc->addr2, sdata->dev->dev_addr, ETH_ALEN);
+ memcpy(nullfunc->addr3, sdata->u.mgd.bssid, ETH_ALEN);
+
+ ieee80211_tx_skb(sdata, skb, 0);
+}
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 1327d424bf31..66f7ecf51b92 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -838,7 +838,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
if (rx->sdata->vif.type == NL80211_IFTYPE_ADHOC) {
u8 *bssid = ieee80211_get_bssid(hdr, rx->skb->len,
NL80211_IFTYPE_ADHOC);
- if (compare_ether_addr(bssid, rx->sdata->u.sta.bssid) == 0)
+ if (compare_ether_addr(bssid, rx->sdata->u.ibss.bssid) == 0)
sta->last_rx = jiffies;
} else
if (!is_multicast_ether_addr(hdr->addr1) ||
@@ -1702,13 +1702,13 @@ static void ieee80211_process_sa_query_req(struct ieee80211_sub_if_data *sdata,
return;
}
- if (compare_ether_addr(mgmt->sa, sdata->u.sta.bssid) != 0 ||
- compare_ether_addr(mgmt->bssid, sdata->u.sta.bssid) != 0) {
+ if (compare_ether_addr(mgmt->sa, sdata->u.mgd.bssid) != 0 ||
+ compare_ether_addr(mgmt->bssid, sdata->u.mgd.bssid) != 0) {
/* Not from the current AP. */
return;
}
- if (sdata->u.sta.state == IEEE80211_STA_MLME_ASSOCIATE) {
+ if (sdata->u.mgd.state == IEEE80211_STA_MLME_ASSOCIATE) {
/* Association in progress; ignore SA Query */
return;
}
@@ -1727,7 +1727,7 @@ static void ieee80211_process_sa_query_req(struct ieee80211_sub_if_data *sdata,
memset(resp, 0, 24);
memcpy(resp->da, mgmt->sa, ETH_ALEN);
memcpy(resp->sa, sdata->dev->dev_addr, ETH_ALEN);
- memcpy(resp->bssid, sdata->u.sta.bssid, ETH_ALEN);
+ memcpy(resp->bssid, sdata->u.mgd.bssid, ETH_ALEN);
resp->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_ACTION);
skb_put(skb, 1 + sizeof(resp->u.action.u.sa_query));
@@ -1745,7 +1745,6 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
{
struct ieee80211_local *local = rx->local;
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;
struct ieee80211_bss *bss;
int len = rx->skb->len;
@@ -1803,6 +1802,10 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
case WLAN_CATEGORY_SPECTRUM_MGMT:
if (local->hw.conf.channel->band != IEEE80211_BAND_5GHZ)
return RX_DROP_MONITOR;
+
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
+ return RX_DROP_MONITOR;
+
switch (mgmt->u.action.u.measurement.action_code) {
case WLAN_ACTION_SPCT_MSR_REQ:
if (len < (IEEE80211_MIN_ACTION_SIZE +
@@ -1815,12 +1818,13 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
sizeof(mgmt->u.action.u.chan_switch)))
return RX_DROP_MONITOR;
- if (memcmp(mgmt->bssid, ifsta->bssid, ETH_ALEN) != 0)
+ if (memcmp(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN))
return RX_DROP_MONITOR;
- bss = ieee80211_rx_bss_get(local, ifsta->bssid,
+ bss = ieee80211_rx_bss_get(local, sdata->u.mgd.bssid,
local->hw.conf.channel->center_freq,
- ifsta->ssid, ifsta->ssid_len);
+ sdata->u.mgd.ssid,
+ sdata->u.mgd.ssid_len);
if (!bss)
return RX_DROP_MONITOR;
@@ -1876,11 +1880,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_data *rx)
sdata->vif.type != NL80211_IFTYPE_ADHOC)
return RX_DROP_MONITOR;
- if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)
- return RX_DROP_MONITOR;
- ieee80211_sta_rx_mgmt(sdata, rx->skb, rx->status);
- return RX_QUEUED;
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+ if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)
+ return RX_DROP_MONITOR;
+ return ieee80211_sta_rx_mgmt(sdata, rx->skb, rx->status);
+ }
+
+ return ieee80211_ibss_rx_mgmt(sdata, rx->skb, rx->status);
}
static void ieee80211_rx_michael_mic_report(struct net_device *dev,
@@ -2083,7 +2090,7 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
case NL80211_IFTYPE_STATION:
if (!bssid)
return 0;
- if (!ieee80211_bssid_match(bssid, sdata->u.sta.bssid)) {
+ if (!ieee80211_bssid_match(bssid, sdata->u.mgd.bssid)) {
if (!(rx->flags & IEEE80211_RX_IN_SCAN))
return 0;
rx->flags &= ~IEEE80211_RX_RA_MATCH;
@@ -2101,7 +2108,7 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
if (ieee80211_is_beacon(hdr->frame_control)) {
return 1;
}
- else if (!ieee80211_bssid_match(bssid, sdata->u.sta.bssid)) {
+ else if (!ieee80211_bssid_match(bssid, sdata->u.ibss.bssid)) {
if (!(rx->flags & IEEE80211_RX_IN_SCAN))
return 0;
rx->flags &= ~IEEE80211_RX_RA_MATCH;
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index f883ab9f1e6e..08a1fc27ca10 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -207,36 +207,6 @@ ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
return RX_QUEUED;
}
-void ieee80211_send_nullfunc(struct ieee80211_local *local,
- struct ieee80211_sub_if_data *sdata,
- int powersave)
-{
- struct sk_buff *skb;
- struct ieee80211_hdr *nullfunc;
- __le16 fc;
-
- skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24);
- if (!skb) {
- printk(KERN_DEBUG "%s: failed to allocate buffer for nullfunc "
- "frame\n", sdata->dev->name);
- return;
- }
- skb_reserve(skb, local->hw.extra_tx_headroom);
-
- nullfunc = (struct ieee80211_hdr *) skb_put(skb, 24);
- memset(nullfunc, 0, 24);
- fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC |
- IEEE80211_FCTL_TODS);
- if (powersave)
- fc |= cpu_to_le16(IEEE80211_FCTL_PM);
- nullfunc->frame_control = fc;
- memcpy(nullfunc->addr1, sdata->u.sta.bssid, ETH_ALEN);
- memcpy(nullfunc->addr2, sdata->dev->dev_addr, ETH_ALEN);
- memcpy(nullfunc->addr3, sdata->u.sta.bssid, ETH_ALEN);
-
- ieee80211_tx_skb(sdata, skb, 0);
-}
-
void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
{
struct ieee80211_local *local = hw_to_local(hw);
@@ -287,7 +257,7 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
/* Tell AP we're back */
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- if (sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED) {
+ if (sdata->u.mgd.flags & IEEE80211_STA_ASSOCIATED) {
ieee80211_send_nullfunc(local, sdata, 0);
netif_tx_wake_all_queues(sdata->dev);
}
@@ -305,6 +275,7 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
done:
ieee80211_mlme_notify_scan_completed(local);
+ ieee80211_ibss_notify_scan_completed(local);
ieee80211_mesh_notify_scan_completed(local);
}
EXPORT_SYMBOL(ieee80211_scan_completed);
@@ -442,7 +413,7 @@ int ieee80211_start_scan(struct ieee80211_sub_if_data *scan_sdata,
IEEE80211_IFCC_BEACON_ENABLED);
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- if (sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED) {
+ if (sdata->u.mgd.flags & IEEE80211_STA_ASSOCIATED) {
netif_tx_stop_all_queues(sdata->dev);
ieee80211_send_nullfunc(local, sdata, 1);
}
@@ -477,7 +448,7 @@ int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
struct cfg80211_scan_request *req)
{
struct ieee80211_local *local = sdata->local;
- struct ieee80211_if_sta *ifsta;
+ struct ieee80211_if_managed *ifmgd;
if (!req)
return -EINVAL;
@@ -502,9 +473,9 @@ int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
return -EBUSY;
}
- ifsta = &sdata->u.sta;
- set_bit(IEEE80211_STA_REQ_SCAN, &ifsta->request);
- queue_work(local->hw.workqueue, &ifsta->work);
+ ifmgd = &sdata->u.mgd;
+ set_bit(IEEE80211_STA_REQ_SCAN, &ifmgd->request);
+ queue_work(local->hw.workqueue, &ifmgd->work);
return 0;
}
diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c
index 47bb2aed2813..5f7a2624ed74 100644
--- a/net/mac80211/spectmgmt.c
+++ b/net/mac80211/spectmgmt.c
@@ -88,16 +88,16 @@ void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
void ieee80211_chswitch_work(struct work_struct *work)
{
struct ieee80211_sub_if_data *sdata =
- container_of(work, struct ieee80211_sub_if_data, u.sta.chswitch_work);
+ container_of(work, struct ieee80211_sub_if_data, u.mgd.chswitch_work);
struct ieee80211_bss *bss;
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
if (!netif_running(sdata->dev))
return;
- bss = ieee80211_rx_bss_get(sdata->local, ifsta->bssid,
+ bss = ieee80211_rx_bss_get(sdata->local, ifmgd->bssid,
sdata->local->hw.conf.channel->center_freq,
- ifsta->ssid, ifsta->ssid_len);
+ ifmgd->ssid, ifmgd->ssid_len);
if (!bss)
goto exit;
@@ -108,7 +108,7 @@ void ieee80211_chswitch_work(struct work_struct *work)
ieee80211_rx_bss_put(sdata->local, bss);
exit:
- ifsta->flags &= ~IEEE80211_STA_CSA_RECEIVED;
+ ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED;
ieee80211_wake_queues_by_reason(&sdata->local->hw,
IEEE80211_QUEUE_STOP_REASON_CSA);
}
@@ -117,9 +117,9 @@ void ieee80211_chswitch_timer(unsigned long data)
{
struct ieee80211_sub_if_data *sdata =
(struct ieee80211_sub_if_data *) data;
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- queue_work(sdata->local->hw.workqueue, &ifsta->chswitch_work);
+ queue_work(sdata->local->hw.workqueue, &ifmgd->chswitch_work);
}
void ieee80211_process_chanswitch(struct ieee80211_sub_if_data *sdata,
@@ -127,14 +127,14 @@ void ieee80211_process_chanswitch(struct ieee80211_sub_if_data *sdata,
struct ieee80211_bss *bss)
{
struct ieee80211_channel *new_ch;
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
int new_freq = ieee80211_channel_to_frequency(sw_elem->new_ch_num);
/* FIXME: Handle ADHOC later */
if (sdata->vif.type != NL80211_IFTYPE_STATION)
return;
- if (ifsta->state != IEEE80211_STA_MLME_ASSOCIATED)
+ if (ifmgd->state != IEEE80211_STA_MLME_ASSOCIATED)
return;
if (sdata->local->sw_scanning || sdata->local->hw_scanning)
@@ -143,7 +143,7 @@ void ieee80211_process_chanswitch(struct ieee80211_sub_if_data *sdata,
/* Disregard subsequent beacons if we are already running a timer
processing a CSA */
- if (ifsta->flags & IEEE80211_STA_CSA_RECEIVED)
+ if (ifmgd->flags & IEEE80211_STA_CSA_RECEIVED)
return;
new_ch = ieee80211_get_channel(sdata->local->hw.wiphy, new_freq);
@@ -153,12 +153,12 @@ void ieee80211_process_chanswitch(struct ieee80211_sub_if_data *sdata,
sdata->local->csa_channel = new_ch;
if (sw_elem->count <= 1) {
- queue_work(sdata->local->hw.workqueue, &ifsta->chswitch_work);
+ queue_work(sdata->local->hw.workqueue, &ifmgd->chswitch_work);
} else {
ieee80211_stop_queues_by_reason(&sdata->local->hw,
IEEE80211_QUEUE_STOP_REASON_CSA);
- ifsta->flags |= IEEE80211_STA_CSA_RECEIVED;
- mod_timer(&ifsta->chswitch_timer,
+ ifmgd->flags |= IEEE80211_STA_CSA_RECEIVED;
+ mod_timer(&ifmgd->chswitch_timer,
jiffies +
msecs_to_jiffies(sw_elem->count *
bss->cbss.beacon_interval));
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 6aca49897d55..c3f0e950125b 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1633,7 +1633,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
case NL80211_IFTYPE_STATION:
fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
/* BSSID SA DA */
- memcpy(hdr.addr1, sdata->u.sta.bssid, ETH_ALEN);
+ memcpy(hdr.addr1, sdata->u.mgd.bssid, ETH_ALEN);
memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
memcpy(hdr.addr3, skb->data, ETH_ALEN);
hdrlen = 24;
@@ -1642,7 +1642,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
/* DA SA BSSID */
memcpy(hdr.addr1, skb->data, ETH_ALEN);
memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
- memcpy(hdr.addr3, sdata->u.sta.bssid, ETH_ALEN);
+ memcpy(hdr.addr3, sdata->u.ibss.bssid, ETH_ALEN);
hdrlen = 24;
break;
default:
@@ -1928,7 +1928,6 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
struct ieee80211_tx_info *info;
struct ieee80211_sub_if_data *sdata = NULL;
struct ieee80211_if_ap *ap = NULL;
- struct ieee80211_if_sta *ifsta = NULL;
struct beacon_data *beacon;
struct ieee80211_supported_band *sband;
enum ieee80211_band band = local->hw.conf.channel->band;
@@ -1980,13 +1979,13 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
} else
goto out;
} else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
struct ieee80211_hdr *hdr;
- ifsta = &sdata->u.sta;
- if (!ifsta->probe_resp)
+ if (!ifibss->probe_resp)
goto out;
- skb = skb_copy(ifsta->probe_resp, GFP_ATOMIC);
+ skb = skb_copy(ifibss->probe_resp, GFP_ATOMIC);
if (!skb)
goto out;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 92ea1770461b..dee17e5cbb89 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -750,6 +750,27 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata)
local->ops->conf_tx(local_to_hw(local), i, &qparam);
}
+void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
+ const size_t supp_rates_len,
+ const u8 *supp_rates)
+{
+ struct ieee80211_local *local = sdata->local;
+ int i, have_higher_than_11mbit = 0;
+
+ /* cf. IEEE 802.11 9.2.12 */
+ for (i = 0; i < supp_rates_len; i++)
+ if ((supp_rates[i] & 0x7f) * 5 > 110)
+ have_higher_than_11mbit = 1;
+
+ if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
+ have_higher_than_11mbit)
+ sdata->flags |= IEEE80211_SDATA_OPERATING_GMODE;
+ else
+ sdata->flags &= ~IEEE80211_SDATA_OPERATING_GMODE;
+
+ ieee80211_set_wmm_default(sdata);
+}
+
void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
int encrypt)
{
@@ -816,3 +837,158 @@ u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
mandatory_rates |= BIT(i);
return mandatory_rates;
}
+
+void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
+ u16 transaction, u16 auth_alg,
+ u8 *extra, size_t extra_len,
+ const u8 *bssid, int encrypt)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct sk_buff *skb;
+ struct ieee80211_mgmt *mgmt;
+ const u8 *ie_auth = NULL;
+ int ie_auth_len = 0;
+
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+ ie_auth_len = sdata->u.mgd.ie_auth_len;
+ ie_auth = sdata->u.mgd.ie_auth;
+ }
+
+ skb = dev_alloc_skb(local->hw.extra_tx_headroom +
+ sizeof(*mgmt) + 6 + extra_len + ie_auth_len);
+ if (!skb) {
+ printk(KERN_DEBUG "%s: failed to allocate buffer for auth "
+ "frame\n", sdata->dev->name);
+ return;
+ }
+ skb_reserve(skb, local->hw.extra_tx_headroom);
+
+ mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24 + 6);
+ memset(mgmt, 0, 24 + 6);
+ mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+ IEEE80211_STYPE_AUTH);
+ if (encrypt)
+ mgmt->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
+ memcpy(mgmt->da, bssid, ETH_ALEN);
+ memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
+ memcpy(mgmt->bssid, bssid, ETH_ALEN);
+ mgmt->u.auth.auth_alg = cpu_to_le16(auth_alg);
+ mgmt->u.auth.auth_transaction = cpu_to_le16(transaction);
+ mgmt->u.auth.status_code = cpu_to_le16(0);
+ if (extra)
+ memcpy(skb_put(skb, extra_len), extra, extra_len);
+ if (ie_auth)
+ memcpy(skb_put(skb, ie_auth_len), ie_auth, ie_auth_len);
+
+ ieee80211_tx_skb(sdata, skb, encrypt);
+}
+
+void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
+ u8 *ssid, size_t ssid_len)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_supported_band *sband;
+ struct sk_buff *skb;
+ struct ieee80211_mgmt *mgmt;
+ u8 *pos, *supp_rates, *esupp_rates = NULL, *extra_preq_ie = NULL;
+ int i, extra_preq_ie_len = 0;
+
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_STATION:
+ extra_preq_ie_len = sdata->u.mgd.ie_probereq_len;
+ extra_preq_ie = sdata->u.mgd.ie_probereq;
+ break;
+ default:
+ break;
+ }
+
+ skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt) + 200 +
+ extra_preq_ie_len);
+ if (!skb) {
+ printk(KERN_DEBUG "%s: failed to allocate buffer for probe "
+ "request\n", sdata->dev->name);
+ return;
+ }
+ skb_reserve(skb, local->hw.extra_tx_headroom);
+
+ mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
+ memset(mgmt, 0, 24);
+ mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+ IEEE80211_STYPE_PROBE_REQ);
+ memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
+ if (dst) {
+ memcpy(mgmt->da, dst, ETH_ALEN);
+ memcpy(mgmt->bssid, dst, ETH_ALEN);
+ } else {
+ memset(mgmt->da, 0xff, ETH_ALEN);
+ memset(mgmt->bssid, 0xff, ETH_ALEN);
+ }
+ pos = skb_put(skb, 2 + ssid_len);
+ *pos++ = WLAN_EID_SSID;
+ *pos++ = ssid_len;
+ memcpy(pos, ssid, ssid_len);
+
+ supp_rates = skb_put(skb, 2);
+ supp_rates[0] = WLAN_EID_SUPP_RATES;
+ supp_rates[1] = 0;
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+
+ for (i = 0; i < sband->n_bitrates; i++) {
+ struct ieee80211_rate *rate = &sband->bitrates[i];
+ if (esupp_rates) {
+ pos = skb_put(skb, 1);
+ esupp_rates[1]++;
+ } else if (supp_rates[1] == 8) {
+ esupp_rates = skb_put(skb, 3);
+ esupp_rates[0] = WLAN_EID_EXT_SUPP_RATES;
+ esupp_rates[1] = 1;
+ pos = &esupp_rates[2];
+ } else {
+ pos = skb_put(skb, 1);
+ supp_rates[1]++;
+ }
+ *pos = rate->bitrate / 5;
+ }
+
+ if (extra_preq_ie)
+ memcpy(skb_put(skb, extra_preq_ie_len), extra_preq_ie,
+ extra_preq_ie_len);
+
+ ieee80211_tx_skb(sdata, skb, 0);
+}
+
+u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
+ struct ieee802_11_elems *elems,
+ enum ieee80211_band band)
+{
+ struct ieee80211_supported_band *sband;
+ struct ieee80211_rate *bitrates;
+ size_t num_rates;
+ u32 supp_rates;
+ int i, j;
+ sband = local->hw.wiphy->bands[band];
+
+ if (!sband) {
+ WARN_ON(1);
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+ }
+
+ bitrates = sband->bitrates;
+ num_rates = sband->n_bitrates;
+ supp_rates = 0;
+ for (i = 0; i < elems->supp_rates_len +
+ elems->ext_supp_rates_len; i++) {
+ u8 rate = 0;
+ int own_rate;
+ if (i < elems->supp_rates_len)
+ rate = elems->supp_rates[i];
+ else if (elems->ext_supp_rates)
+ rate = elems->ext_supp_rates
+ [i - elems->supp_rates_len];
+ own_rate = 5 * (rate & 0x7f);
+ for (j = 0; j < num_rates; j++)
+ if (bitrates[j].bitrate == own_rate)
+ supp_rates |= BIT(j);
+ }
+ return supp_rates;
+}
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index 2b023dce8b24..8a76a979bc92 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -132,13 +132,12 @@ static int ieee80211_ioctl_siwgenie(struct net_device *dev,
if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)
return -EOPNOTSUPP;
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
int ret = ieee80211_sta_set_extra_ie(sdata, extra, data->length);
if (ret)
return ret;
- sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
- ieee80211_sta_req_auth(sdata, &sdata->u.sta);
+ sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
+ ieee80211_sta_req_auth(sdata);
return 0;
}
@@ -255,16 +254,19 @@ static int ieee80211_ioctl_siwfreq(struct net_device *dev,
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC ||
- sdata->vif.type == NL80211_IFTYPE_STATION)
- sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
+ if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
+ sdata->u.ibss.flags &= ~IEEE80211_IBSS_AUTO_CHANNEL_SEL;
+ else if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
/* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
if (freq->e == 0) {
if (freq->m < 0) {
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC ||
- sdata->vif.type == NL80211_IFTYPE_STATION)
- sdata->u.sta.flags |=
+ if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
+ sdata->u.ibss.flags |=
+ IEEE80211_IBSS_AUTO_CHANNEL_SEL;
+ else if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ sdata->u.mgd.flags |=
IEEE80211_STA_AUTO_CHANNEL_SEL;
return 0;
} else
@@ -301,32 +303,35 @@ static int ieee80211_ioctl_siwessid(struct net_device *dev,
{
struct ieee80211_sub_if_data *sdata;
size_t len = data->length;
+ int ret;
/* iwconfig uses nul termination in SSID.. */
if (len > 0 && ssid[len - 1] == '\0')
len--;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC) {
- int ret;
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
if (len > IEEE80211_MAX_SSID_LEN)
return -EINVAL;
- memcpy(sdata->u.sta.ssid, ssid, len);
- sdata->u.sta.ssid_len = len;
+ memcpy(sdata->u.mgd.ssid, ssid, len);
+ sdata->u.mgd.ssid_len = len;
return 0;
}
+
if (data->flags)
- sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
+ sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
else
- sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
+ sdata->u.mgd.flags |= IEEE80211_STA_AUTO_SSID_SEL;
+
ret = ieee80211_sta_set_ssid(sdata, ssid, len);
if (ret)
return ret;
- ieee80211_sta_req_auth(sdata, &sdata->u.sta);
+
+ ieee80211_sta_req_auth(sdata);
return 0;
- }
+ } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
+ return ieee80211_ibss_set_ssid(sdata, ssid, len);
return -EOPNOTSUPP;
}
@@ -340,8 +345,7 @@ static int ieee80211_ioctl_giwessid(struct net_device *dev,
struct ieee80211_sub_if_data *sdata;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
int res = ieee80211_sta_get_ssid(sdata, ssid, &len);
if (res == 0) {
data->length = len;
@@ -349,6 +353,14 @@ static int ieee80211_ioctl_giwessid(struct net_device *dev,
} else
data->flags = 0;
return res;
+ } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ int res = ieee80211_ibss_get_ssid(sdata, ssid, &len);
+ if (res == 0) {
+ data->length = len;
+ data->flags = 1;
+ } else
+ data->flags = 0;
+ return res;
}
return -EOPNOTSUPP;
@@ -362,26 +374,35 @@ static int ieee80211_ioctl_siwap(struct net_device *dev,
struct ieee80211_sub_if_data *sdata;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
int ret;
if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
- memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
+ memcpy(sdata->u.mgd.bssid, (u8 *) &ap_addr->sa_data,
ETH_ALEN);
return 0;
}
if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
- sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
+ sdata->u.mgd.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
IEEE80211_STA_AUTO_CHANNEL_SEL;
else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
- sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
+ sdata->u.mgd.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
else
- sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
+ sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
ret = ieee80211_sta_set_bssid(sdata, (u8 *) &ap_addr->sa_data);
if (ret)
return ret;
- ieee80211_sta_req_auth(sdata, &sdata->u.sta);
+ ieee80211_sta_req_auth(sdata);
return 0;
+ } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
+ sdata->u.ibss.flags |= IEEE80211_IBSS_AUTO_BSSID_SEL |
+ IEEE80211_IBSS_AUTO_CHANNEL_SEL;
+ else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
+ sdata->u.ibss.flags |= IEEE80211_IBSS_AUTO_BSSID_SEL;
+ else
+ sdata->u.ibss.flags &= ~IEEE80211_IBSS_AUTO_BSSID_SEL;
+
+ return ieee80211_ibss_set_bssid(sdata, (u8 *) &ap_addr->sa_data);
} else if (sdata->vif.type == NL80211_IFTYPE_WDS) {
/*
* If it is necessary to update the WDS peer address
@@ -410,17 +431,20 @@ static int ieee80211_ioctl_giwap(struct net_device *dev,
struct ieee80211_sub_if_data *sdata;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC) {
- if (sdata->u.sta.state == IEEE80211_STA_MLME_ASSOCIATED ||
- sdata->u.sta.state == IEEE80211_STA_MLME_IBSS_JOINED) {
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+ if (sdata->u.mgd.state == IEEE80211_STA_MLME_ASSOCIATED) {
ap_addr->sa_family = ARPHRD_ETHER;
- memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
- return 0;
- } else {
+ memcpy(&ap_addr->sa_data, sdata->u.mgd.bssid, ETH_ALEN);
+ } else
memset(&ap_addr->sa_data, 0, ETH_ALEN);
- return 0;
- }
+ return 0;
+ } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ if (sdata->u.ibss.state == IEEE80211_IBSS_MLME_JOINED) {
+ ap_addr->sa_family = ARPHRD_ETHER;
+ memcpy(&ap_addr->sa_data, sdata->u.ibss.bssid, ETH_ALEN);
+ } else
+ memset(&ap_addr->sa_data, 0, ETH_ALEN);
+ return 0;
} else if (sdata->vif.type == NL80211_IFTYPE_WDS) {
ap_addr->sa_family = ARPHRD_ETHER;
memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
@@ -486,7 +510,7 @@ static int ieee80211_ioctl_giwrate(struct net_device *dev,
rcu_read_lock();
- sta = sta_info_get(local, sdata->u.sta.bssid);
+ sta = sta_info_get(local, sdata->u.mgd.bssid);
if (sta && !(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS))
rate->value = sband->bitrates[sta->last_tx_rate.idx].bitrate;
@@ -687,8 +711,7 @@ static int ieee80211_ioctl_siwmlme(struct net_device *dev,
struct iw_mlme *mlme = (struct iw_mlme *) extra;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->vif.type != NL80211_IFTYPE_STATION &&
- sdata->vif.type != NL80211_IFTYPE_ADHOC)
+ if (!(sdata->vif.type == NL80211_IFTYPE_STATION))
return -EINVAL;
switch (mlme->cmd) {
@@ -784,8 +807,7 @@ static int ieee80211_ioctl_giwencode(struct net_device *dev,
erq->flags |= IW_ENCODE_ENABLED;
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
- switch (ifsta->auth_alg) {
+ switch (sdata->u.mgd.auth_alg) {
case WLAN_AUTH_OPEN:
case WLAN_AUTH_LEAP:
erq->flags |= IW_ENCODE_OPEN;
@@ -849,7 +871,7 @@ static int ieee80211_ioctl_siwpower(struct net_device *dev,
ret = ieee80211_hw_config(local,
IEEE80211_CONF_CHANGE_DYNPS_TIMEOUT);
- if (!(sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED))
+ if (!(sdata->u.mgd.flags & IEEE80211_STA_ASSOCIATED))
return ret;
if (conf->dynamic_ps_timeout > 0 &&
@@ -908,10 +930,10 @@ static int ieee80211_ioctl_siwauth(struct net_device *dev,
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
if (data->value & (IW_AUTH_CIPHER_WEP40 |
IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_TKIP))
- sdata->u.sta.flags |=
+ sdata->u.mgd.flags |=
IEEE80211_STA_TKIP_WEP_USED;
else
- sdata->u.sta.flags &=
+ sdata->u.mgd.flags &=
~IEEE80211_STA_TKIP_WEP_USED;
}
break;
@@ -922,21 +944,20 @@ static int ieee80211_ioctl_siwauth(struct net_device *dev,
if (sdata->vif.type != NL80211_IFTYPE_STATION)
ret = -EINVAL;
else {
- sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
+ sdata->u.mgd.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
/*
* Privacy invoked by wpa_supplicant, store the
* value and allow associating to a protected
* network without having a key up front.
*/
if (data->value)
- sdata->u.sta.flags |=
+ sdata->u.mgd.flags |=
IEEE80211_STA_PRIVACY_INVOKED;
}
break;
case IW_AUTH_80211_AUTH_ALG:
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC)
- sdata->u.sta.auth_algs = data->value;
+ if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ sdata->u.mgd.auth_algs = data->value;
else
ret = -EOPNOTSUPP;
break;
@@ -945,17 +966,16 @@ static int ieee80211_ioctl_siwauth(struct net_device *dev,
ret = -EOPNOTSUPP;
break;
}
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
switch (data->value) {
case IW_AUTH_MFP_DISABLED:
- sdata->u.sta.mfp = IEEE80211_MFP_DISABLED;
+ sdata->u.mgd.mfp = IEEE80211_MFP_DISABLED;
break;
case IW_AUTH_MFP_OPTIONAL:
- sdata->u.sta.mfp = IEEE80211_MFP_OPTIONAL;
+ sdata->u.mgd.mfp = IEEE80211_MFP_OPTIONAL;
break;
case IW_AUTH_MFP_REQUIRED:
- sdata->u.sta.mfp = IEEE80211_MFP_REQUIRED;
+ sdata->u.mgd.mfp = IEEE80211_MFP_REQUIRED;
break;
default:
ret = -EINVAL;
@@ -980,9 +1000,9 @@ static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev
rcu_read_lock();
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC)
- sta = sta_info_get(local, sdata->u.sta.bssid);
+ if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ sta = sta_info_get(local, sdata->u.mgd.bssid);
+
if (!sta) {
wstats->discard.fragment = 0;
wstats->discard.misc = 0;
@@ -1011,9 +1031,8 @@ static int ieee80211_ioctl_giwauth(struct net_device *dev,
switch (data->flags & IW_AUTH_INDEX) {
case IW_AUTH_80211_AUTH_ALG:
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC)
- data->value = sdata->u.sta.auth_algs;
+ if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ data->value = sdata->u.mgd.auth_algs;
else
ret = -EOPNOTSUPP;
break;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.