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mac80211: remove dead code, clean up

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With mac80211 now always controlled by an external SME,
a lot of code is dead -- SSID, BSSID, channel selection
is always done externally, etc. Additionally, rename
IEEE80211_STA_TKIP_WEP_USED to IEEE80211_STA_DISABLE_11N
and clean up the code a bit.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2009-07-01 21:41:17 +02:00 committed by John W. Linville
parent 6dc1cb0319
commit ab1faead50
5 changed files with 54 additions and 264 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
net/mac80211/cfg.c
View File

@ -1194,18 +1194,14 @@ static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
}
memcpy(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN);
sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
/* TODO: req->chan */
sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
sdata->local->oper_channel = req->chan;
ieee80211_hw_config(sdata->local, 0);
if (req->ssid) {
sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
sdata->u.mgd.ssid_len = req->ssid_len;
sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
}
if (!req->ssid)
return -EINVAL;
memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
sdata->u.mgd.ssid_len = req->ssid_len;
kfree(sdata->u.mgd.sme_auth_ie);
sdata->u.mgd.sme_auth_ie = NULL;
@ -1218,7 +1214,6 @@ static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
sdata->u.mgd.sme_auth_ie_len = req->ie_len;
}
sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
sdata->u.mgd.state = IEEE80211_STA_MLME_DIRECT_PROBE;
ieee80211_sta_req_auth(sdata);
return 0;
@ -1236,27 +1231,22 @@ static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
!(sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED))
return -ENOLINK; /* not authenticated */
sdata->u.mgd.flags &= ~IEEE80211_STA_TKIP_WEP_USED;
sdata->u.mgd.flags &= ~IEEE80211_STA_DISABLE_11N;
for (i = 0; i < req->crypto.n_ciphers_pairwise; i++)
if (req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP40 ||
req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_TKIP ||
req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP104)
sdata->u.mgd.flags |= IEEE80211_STA_TKIP_WEP_USED;
sdata->u.mgd.flags |= IEEE80211_STA_DISABLE_11N;
sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
sdata->local->oper_channel = req->chan;
ieee80211_hw_config(sdata->local, 0);
/* TODO: req->chan */
sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
if (!req->ssid)
return -EINVAL;
if (req->ssid) {
sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
sdata->u.mgd.ssid_len = req->ssid_len;
sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
} else
sdata->u.mgd.flags |= IEEE80211_STA_AUTO_SSID_SEL;
memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
sdata->u.mgd.ssid_len = req->ssid_len;
ret = ieee80211_sta_set_extra_ie(sdata, req->ie, req->ie_len);
if (ret && ret != -EALREADY)
@ -1275,7 +1265,6 @@ static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
else
sdata->u.mgd.flags &= ~IEEE80211_STA_CONTROL_PORT;
sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
sdata->u.mgd.state = IEEE80211_STA_MLME_ASSOCIATE;
ieee80211_sta_req_auth(sdata);
return 0;

4
net/mac80211/debugfs_netdev.c
View File

@ -111,9 +111,7 @@ 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.mgd.flags & IEEE80211_STA_SSID_SET ? "SSID\n" : "",
sdata->u.mgd.flags & IEEE80211_STA_BSSID_SET ? "BSSID\n" : "",
return scnprintf(buf, buflen, "%s%s%s%s%s\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" : "",

42
net/mac80211/ieee80211_i.h
View File

@ -228,28 +228,24 @@ struct mesh_preq_queue {
};
/* 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)
#define IEEE80211_STA_AUTHENTICATED BIT(3)
#define IEEE80211_STA_ASSOCIATED BIT(4)
#define IEEE80211_STA_PROBEREQ_POLL BIT(5)
#define IEEE80211_STA_CREATE_IBSS BIT(6)
#define IEEE80211_STA_CONTROL_PORT BIT(7)
#define IEEE80211_STA_WMM_ENABLED BIT(8)
/* hole at 9, please re-use */
#define IEEE80211_STA_AUTO_SSID_SEL BIT(10)
#define IEEE80211_STA_AUTO_BSSID_SEL BIT(11)
#define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12)
#define IEEE80211_STA_PRIVACY_INVOKED BIT(13)
#define IEEE80211_STA_TKIP_WEP_USED BIT(14)
#define IEEE80211_STA_CSA_RECEIVED BIT(15)
#define IEEE80211_STA_MFP_ENABLED BIT(16)
#define IEEE80211_STA_EXT_SME BIT(17)
enum ieee80211_sta_flags {
IEEE80211_STA_PREV_BSSID_SET = BIT(0),
IEEE80211_STA_AUTHENTICATED = BIT(1),
IEEE80211_STA_ASSOCIATED = BIT(2),
IEEE80211_STA_PROBEREQ_POLL = BIT(3),
IEEE80211_STA_CONTROL_PORT = BIT(4),
IEEE80211_STA_WMM_ENABLED = BIT(5),
IEEE80211_STA_DISABLE_11N = BIT(6),
IEEE80211_STA_CSA_RECEIVED = BIT(7),
IEEE80211_STA_MFP_ENABLED = BIT(8),
};
/* flags for MLME request */
#define IEEE80211_STA_REQ_SCAN 0
#define IEEE80211_STA_REQ_AUTH 1
#define IEEE80211_STA_REQ_RUN 2
enum ieee80211_sta_request {
IEEE80211_STA_REQ_SCAN,
IEEE80211_STA_REQ_AUTH,
IEEE80211_STA_REQ_RUN,
};
struct ieee80211_if_managed {
struct timer_list timer;
@ -936,10 +932,6 @@ extern const struct iw_handler_def ieee80211_iw_handler_def;
void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb);
int ieee80211_sta_commit(struct ieee80211_sub_if_data *sdata);
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);
int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason);
int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason);

2
net/mac80211/iface.c
View File

@ -486,8 +486,6 @@ static int ieee80211_stop(struct net_device *dev)
synchronize_rcu();
skb_queue_purge(&sdata->u.mgd.skb_queue);
sdata->u.mgd.flags &= ~(IEEE80211_STA_PRIVACY_INVOKED |
IEEE80211_STA_TKIP_WEP_USED);
kfree(sdata->u.mgd.extra_ie);
sdata->u.mgd.extra_ie = NULL;
sdata->u.mgd.extra_ie_len = 0;

231
net/mac80211/mlme.c
View File

@ -347,7 +347,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
sband->ht_cap.ht_supported &&
(ht_ie = ieee80211_bss_get_ie(bss, WLAN_EID_HT_INFORMATION)) &&
ht_ie[1] >= sizeof(struct ieee80211_ht_info) &&
(!(ifmgd->flags & IEEE80211_STA_TKIP_WEP_USED))) {
(!(ifmgd->flags & IEEE80211_STA_DISABLE_11N))) {
struct ieee80211_ht_info *ht_info =
(struct ieee80211_ht_info *)(ht_ie + 2);
u16 cap = sband->ht_cap.cap;
@ -981,8 +981,6 @@ static void ieee80211_authenticate(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
u8 *ies;
size_t ies_len;
ifmgd->auth_tries++;
if (ifmgd->auth_tries > IEEE80211_AUTH_MAX_TRIES) {
@ -1010,15 +1008,8 @@ static void ieee80211_authenticate(struct ieee80211_sub_if_data *sdata)
printk(KERN_DEBUG "%s: authenticate with AP %pM\n",
sdata->dev->name, ifmgd->bssid);
if (ifmgd->flags & IEEE80211_STA_EXT_SME) {
ies = ifmgd->sme_auth_ie;
ies_len = ifmgd->sme_auth_ie_len;
} else {
ies = NULL;
ies_len = 0;
}
ieee80211_send_auth(sdata, 1, ifmgd->auth_alg, ies, ies_len,
ifmgd->bssid, 0);
ieee80211_send_auth(sdata, 1, ifmgd->auth_alg, ifmgd->sme_auth_ie,
ifmgd->sme_auth_ie_len, ifmgd->bssid, 0);
ifmgd->auth_transaction = 2;
mod_timer(&ifmgd->timer, jiffies + IEEE80211_AUTH_TIMEOUT);
@ -1128,44 +1119,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
sta_info_destroy(sta);
}
static int ieee80211_sta_wep_configured(struct ieee80211_sub_if_data *sdata)
{
if (!sdata || !sdata->default_key ||
sdata->default_key->conf.alg != ALG_WEP)
return 0;
return 1;
}
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 (!ifmgd || (ifmgd->flags & IEEE80211_STA_EXT_SME))
return 0;
bss = ieee80211_rx_bss_get(local, ifmgd->bssid,
local->hw.conf.channel->center_freq,
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 = !!(ifmgd->flags & IEEE80211_STA_PRIVACY_INVOKED);
ieee80211_rx_bss_put(local, bss);
if ((bss_privacy == wep_privacy) || (bss_privacy == privacy_invoked))
return 0;
return 1;
}
static void ieee80211_associate(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
@ -1195,14 +1148,6 @@ static void ieee80211_associate(struct ieee80211_sub_if_data *sdata)
ifmgd->state = IEEE80211_STA_MLME_ASSOCIATE;
printk(KERN_DEBUG "%s: associate with AP %pM\n",
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);
ifmgd->state = IEEE80211_STA_MLME_DISABLED;
ieee80211_recalc_idle(local);
return;
}
ieee80211_send_assoc(sdata);
mod_timer(&ifmgd->timer, jiffies + IEEE80211_ASSOC_TIMEOUT);
@ -1360,12 +1305,9 @@ static void ieee80211_auth_completed(struct ieee80211_sub_if_data *sdata)
printk(KERN_DEBUG "%s: authenticated\n", sdata->dev->name);
ifmgd->flags |= IEEE80211_STA_AUTHENTICATED;
if (ifmgd->flags & IEEE80211_STA_EXT_SME) {
/* Wait for SME to request association */
ifmgd->state = IEEE80211_STA_MLME_DISABLED;
ieee80211_recalc_idle(sdata->local);
} else
ieee80211_associate(sdata);
/* Wait for SME to request association */
ifmgd->state = IEEE80211_STA_MLME_DISABLED;
ieee80211_recalc_idle(sdata->local);
}
@ -1460,15 +1402,6 @@ static void ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
printk(KERN_DEBUG "%s: deauthenticated (Reason: %u)\n",
sdata->dev->name, reason_code);
if (!(ifmgd->flags & IEEE80211_STA_EXT_SME) &&
(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, true, false, 0);
ifmgd->flags &= ~IEEE80211_STA_AUTHENTICATED;
cfg80211_send_deauth(sdata->dev, (u8 *) mgmt, len, GFP_KERNEL);
@ -1494,13 +1427,6 @@ static void ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
printk(KERN_DEBUG "%s: disassociated (Reason: %u)\n",
sdata->dev->name, reason_code);
if (!(ifmgd->flags & IEEE80211_STA_EXT_SME) &&
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, false, false, reason_code);
cfg80211_send_disassoc(sdata->dev, (u8 *) mgmt, len, GFP_KERNEL);
}
@ -1573,11 +1499,9 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
ifmgd->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
cfg80211_send_rx_assoc(sdata->dev, (u8 *) mgmt, len,
GFP_KERNEL);
if (ifmgd->flags & IEEE80211_STA_EXT_SME) {
/* Wait for SME to decide what to do next */
ifmgd->state = IEEE80211_STA_MLME_DISABLED;
ieee80211_recalc_idle(local);
}
/* Wait for SME to decide what to do next */
ifmgd->state = IEEE80211_STA_MLME_DISABLED;
ieee80211_recalc_idle(local);
return;
}
@ -1683,8 +1607,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
else
sdata->flags &= ~IEEE80211_SDATA_OPERATING_GMODE;
/* If TKIP/WEP is used, no need to parse AP's HT capabilities */
if (elems.ht_cap_elem && !(ifmgd->flags & IEEE80211_STA_TKIP_WEP_USED))
if (elems.ht_cap_elem && !(ifmgd->flags & IEEE80211_STA_DISABLE_11N))
ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
elems.ht_cap_elem, &sta->sta.ht_cap);
@ -1718,7 +1641,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
if (elems.ht_info_elem && elems.wmm_param &&
(ifmgd->flags & IEEE80211_STA_WMM_ENABLED) &&
!(ifmgd->flags & IEEE80211_STA_TKIP_WEP_USED))
!(ifmgd->flags & IEEE80211_STA_DISABLE_11N))
changed |= ieee80211_enable_ht(sdata, elems.ht_info_elem,
ap_ht_cap_flags);
@ -1931,7 +1854,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
if (elems.ht_cap_elem && elems.ht_info_elem && elems.wmm_param &&
!(ifmgd->flags & IEEE80211_STA_TKIP_WEP_USED)) {
!(ifmgd->flags & IEEE80211_STA_DISABLE_11N)) {
struct sta_info *sta;
struct ieee80211_supported_band *sband;
u16 ap_ht_cap_flags;
@ -2090,26 +2013,6 @@ static int ieee80211_sta_config_auth(struct ieee80211_sub_if_data *sdata)
u16 capa_val = WLAN_CAPABILITY_ESS;
struct ieee80211_channel *chan = local->oper_channel;
if (!(ifmgd->flags & IEEE80211_STA_EXT_SME) &&
ifmgd->flags & (IEEE80211_STA_AUTO_SSID_SEL |
IEEE80211_STA_AUTO_BSSID_SEL |
IEEE80211_STA_AUTO_CHANNEL_SEL)) {
capa_mask |= WLAN_CAPABILITY_PRIVACY;
if (sdata->default_key)
capa_val |= WLAN_CAPABILITY_PRIVACY;
}
if (ifmgd->flags & IEEE80211_STA_AUTO_CHANNEL_SEL)
chan = NULL;
if (ifmgd->flags & IEEE80211_STA_AUTO_BSSID_SEL)
bssid = NULL;
if (ifmgd->flags & IEEE80211_STA_AUTO_SSID_SEL) {
ssid = NULL;
ssid_len = 0;
}
bss = (void *)cfg80211_get_bss(local->hw.wiphy, chan,
bssid, ssid, ssid_len,
capa_mask, capa_val);
@ -2119,10 +2022,6 @@ static int ieee80211_sta_config_auth(struct ieee80211_sub_if_data *sdata)
local->oper_channel_type = NL80211_CHAN_NO_HT;
ieee80211_hw_config(local, 0);
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.mgd.mfp == IEEE80211_MFP_REQUIRED)
@ -2232,14 +2131,6 @@ static void ieee80211_sta_work(struct work_struct *work)
WARN_ON(1);
break;
}
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, false, true,
WLAN_REASON_UNSPECIFIED);
}
}
static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
@ -2306,9 +2197,7 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
skb_queue_head_init(&ifmgd->skb_queue);
ifmgd->capab = WLAN_CAPABILITY_ESS;
ifmgd->flags |= IEEE80211_STA_CREATE_IBSS |
IEEE80211_STA_AUTO_BSSID_SEL |
IEEE80211_STA_AUTO_CHANNEL_SEL;
ifmgd->flags = 0;
if (sdata->local->hw.queues >= 4)
ifmgd->flags |= IEEE80211_STA_WMM_ENABLED;
@ -2324,96 +2213,20 @@ void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata)
if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION))
return;
if ((ifmgd->flags & (IEEE80211_STA_BSSID_SET |
IEEE80211_STA_AUTO_BSSID_SEL)) &&
(ifmgd->flags & (IEEE80211_STA_SSID_SET |
IEEE80211_STA_AUTO_SSID_SEL))) {
if (ifmgd->state == IEEE80211_STA_MLME_ASSOCIATED)
ieee80211_set_disassoc(sdata, true, true,
WLAN_REASON_DEAUTH_LEAVING);
if (ifmgd->ssid_len == 0) {
/*
* Only allow association to be started if a valid SSID
* is configured.
*/
return;
}
if (!(ifmgd->flags & IEEE80211_STA_EXT_SME) ||
ifmgd->state != IEEE80211_STA_MLME_ASSOCIATE)
set_bit(IEEE80211_STA_REQ_AUTH, &ifmgd->request);
else if (ifmgd->flags & IEEE80211_STA_EXT_SME)
set_bit(IEEE80211_STA_REQ_RUN, &ifmgd->request);
queue_work(local->hw.workqueue, &ifmgd->work);
}
}
int ieee80211_sta_commit(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
if (ifmgd->ssid_len)
ifmgd->flags |= IEEE80211_STA_SSID_SET;
else
ifmgd->flags &= ~IEEE80211_STA_SSID_SET;
return 0;
}
int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len)
{
struct ieee80211_if_managed *ifmgd;
if (len > IEEE80211_MAX_SSID_LEN)
return -EINVAL;
ifmgd = &sdata->u.mgd;
if (ifmgd->ssid_len != len || memcmp(ifmgd->ssid, ssid, len) != 0) {
if (ifmgd->state == IEEE80211_STA_MLME_ASSOCIATED)
ieee80211_set_disassoc(sdata, true, true,
WLAN_REASON_DEAUTH_LEAVING);
/*
* Do not use reassociation if SSID is changed (different ESS).
*/
ifmgd->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
memset(ifmgd->ssid, 0, sizeof(ifmgd->ssid));
memcpy(ifmgd->ssid, ssid, len);
ifmgd->ssid_len = len;
}
return ieee80211_sta_commit(sdata);
}
int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *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_managed *ifmgd = &sdata->u.mgd;
if (compare_ether_addr(bssid, ifmgd->bssid) != 0 &&
ifmgd->state == IEEE80211_STA_MLME_ASSOCIATED)
if (WARN_ON(ifmgd->state == IEEE80211_STA_MLME_ASSOCIATED))
ieee80211_set_disassoc(sdata, true, true,
WLAN_REASON_DEAUTH_LEAVING);
if (is_valid_ether_addr(bssid)) {
memcpy(ifmgd->bssid, bssid, ETH_ALEN);
ifmgd->flags |= IEEE80211_STA_BSSID_SET;
} else {
memset(ifmgd->bssid, 0, ETH_ALEN);
ifmgd->flags &= ~IEEE80211_STA_BSSID_SET;
if (WARN_ON(ifmgd->ssid_len == 0)) {
/*
* Only allow association to be started if a valid SSID
* is configured.
*/
return;
}
return ieee80211_sta_commit(sdata);
set_bit(IEEE80211_STA_REQ_RUN, &ifmgd->request);
queue_work(local->hw.workqueue, &ifmgd->work);
}
int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata,