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Diffstat (limited to 'net/mac80211/mlme.c')
-rw-r--r--net/mac80211/mlme.c207
1 files changed, 157 insertions, 50 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 55659a730dc..7b4d4d46843 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -204,6 +204,25 @@ void ieee802_11_parse_elems(u8 *start, size_t len,
elems->perr = pos;
elems->perr_len = elen;
break;
+ case WLAN_EID_CHANNEL_SWITCH:
+ elems->ch_switch_elem = pos;
+ elems->ch_switch_elem_len = elen;
+ break;
+ case WLAN_EID_QUIET:
+ if (!elems->quiet_elem) {
+ elems->quiet_elem = pos;
+ elems->quiet_elem_len = elen;
+ }
+ elems->num_of_quiet_elem++;
+ break;
+ case WLAN_EID_COUNTRY:
+ elems->country_elem = pos;
+ elems->country_elem_len = elen;
+ break;
+ case WLAN_EID_PWR_CONSTRAINT:
+ elems->pwr_constr_elem = pos;
+ elems->pwr_constr_elem_len = elen;
+ break;
default:
break;
}
@@ -1701,6 +1720,71 @@ void ieee80211_sta_tear_down_BA_sessions(struct net_device *dev, u8 *addr)
}
}
+static void ieee80211_send_refuse_measurement_request(struct net_device *dev,
+ struct ieee80211_msrment_ie *request_ie,
+ const u8 *da, const u8 *bssid,
+ u8 dialog_token)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct sk_buff *skb;
+ struct ieee80211_mgmt *msr_report;
+
+ skb = dev_alloc_skb(sizeof(*msr_report) + local->hw.extra_tx_headroom +
+ sizeof(struct ieee80211_msrment_ie));
+
+ if (!skb) {
+ printk(KERN_ERR "%s: failed to allocate buffer for "
+ "measurement report frame\n", dev->name);
+ return;
+ }
+
+ skb_reserve(skb, local->hw.extra_tx_headroom);
+ msr_report = (struct ieee80211_mgmt *)skb_put(skb, 24);
+ memset(msr_report, 0, 24);
+ memcpy(msr_report->da, da, ETH_ALEN);
+ memcpy(msr_report->sa, dev->dev_addr, ETH_ALEN);
+ memcpy(msr_report->bssid, bssid, ETH_ALEN);
+ msr_report->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
+ IEEE80211_STYPE_ACTION);
+
+ skb_put(skb, 1 + sizeof(msr_report->u.action.u.measurement));
+ msr_report->u.action.category = WLAN_CATEGORY_SPECTRUM_MGMT;
+ msr_report->u.action.u.measurement.action_code =
+ WLAN_ACTION_SPCT_MSR_RPRT;
+ msr_report->u.action.u.measurement.dialog_token = dialog_token;
+
+ msr_report->u.action.u.measurement.element_id = WLAN_EID_MEASURE_REPORT;
+ msr_report->u.action.u.measurement.length =
+ sizeof(struct ieee80211_msrment_ie);
+
+ memset(&msr_report->u.action.u.measurement.msr_elem, 0,
+ sizeof(struct ieee80211_msrment_ie));
+ msr_report->u.action.u.measurement.msr_elem.token = request_ie->token;
+ msr_report->u.action.u.measurement.msr_elem.mode |=
+ IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED;
+ msr_report->u.action.u.measurement.msr_elem.type = request_ie->type;
+
+ ieee80211_sta_tx(dev, skb, 0);
+}
+
+static void ieee80211_sta_process_measurement_req(struct net_device *dev,
+ struct ieee80211_mgmt *mgmt,
+ size_t len)
+{
+ /*
+ * Ignoring measurement request is spec violation.
+ * Mandatory measurements must be reported optional
+ * measurements might be refused or reported incapable
+ * For now just refuse
+ * TODO: Answer basic measurement as unmeasured
+ */
+ ieee80211_send_refuse_measurement_request(dev,
+ &mgmt->u.action.u.measurement.msr_elem,
+ mgmt->sa, mgmt->bssid,
+ mgmt->u.action.u.measurement.dialog_token);
+}
+
+
static void ieee80211_rx_mgmt_auth(struct net_device *dev,
struct ieee80211_if_sta *ifsta,
struct ieee80211_mgmt *mgmt,
@@ -1753,11 +1837,12 @@ static void ieee80211_rx_mgmt_auth(struct net_device *dev,
auth_transaction, status_code);
if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
- /* IEEE 802.11 standard does not require authentication in IBSS
+ /*
+ * 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.
- * TODO: Could implement shared key authentication. */
+ */
if (auth_alg != WLAN_AUTH_OPEN || auth_transaction != 1) {
printk(KERN_DEBUG "%s: unexpected IBSS authentication "
"frame (alg=%d transaction=%d)\n",
@@ -3025,11 +3110,24 @@ static void ieee80211_rx_mgmt_action(struct net_device *dev,
struct ieee80211_rx_status *rx_status)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
if (len < IEEE80211_MIN_ACTION_SIZE)
return;
switch (mgmt->u.action.category) {
+ case WLAN_CATEGORY_SPECTRUM_MGMT:
+ if (local->hw.conf.channel->band != IEEE80211_BAND_5GHZ)
+ break;
+ switch (mgmt->u.action.u.chan_switch.action_code) {
+ case WLAN_ACTION_SPCT_MSR_REQ:
+ if (len < (IEEE80211_MIN_ACTION_SIZE +
+ sizeof(mgmt->u.action.u.measurement)))
+ break;
+ ieee80211_sta_process_measurement_req(dev, mgmt, len);
+ break;
+ }
+ break;
case WLAN_CATEGORY_BACK:
switch (mgmt->u.action.u.addba_req.action_code) {
case WLAN_ACTION_ADDBA_REQ:
@@ -3173,33 +3271,32 @@ ieee80211_sta_rx_scan(struct net_device *dev, struct sk_buff *skb,
struct ieee80211_rx_status *rx_status)
{
struct ieee80211_mgmt *mgmt;
- u16 fc;
+ __le16 fc;
if (skb->len < 2)
return RX_DROP_UNUSABLE;
mgmt = (struct ieee80211_mgmt *) skb->data;
- fc = le16_to_cpu(mgmt->frame_control);
+ fc = mgmt->frame_control;
- if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL)
+ if (ieee80211_is_ctl(fc))
return RX_CONTINUE;
if (skb->len < 24)
return RX_DROP_MONITOR;
- if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) {
- if ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PROBE_RESP) {
- ieee80211_rx_mgmt_probe_resp(dev, mgmt,
- skb->len, rx_status);
- dev_kfree_skb(skb);
- return RX_QUEUED;
- } else if ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_BEACON) {
- ieee80211_rx_mgmt_beacon(dev, mgmt, skb->len,
- rx_status);
- dev_kfree_skb(skb);
- return RX_QUEUED;
- }
+ if (ieee80211_is_probe_resp(fc)) {
+ ieee80211_rx_mgmt_probe_resp(dev, mgmt, skb->len, rx_status);
+ dev_kfree_skb(skb);
+ return RX_QUEUED;
}
+
+ if (ieee80211_is_beacon(fc)) {
+ ieee80211_rx_mgmt_beacon(dev, mgmt, skb->len, rx_status);
+ dev_kfree_skb(skb);
+ return RX_QUEUED;
+ }
+
return RX_CONTINUE;
}
@@ -3777,7 +3874,7 @@ static void ieee80211_send_nullfunc(struct ieee80211_local *local,
{
struct sk_buff *skb;
struct ieee80211_hdr *nullfunc;
- u16 fc;
+ __le16 fc;
skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24);
if (!skb) {
@@ -3789,11 +3886,11 @@ static void ieee80211_send_nullfunc(struct ieee80211_local *local,
nullfunc = (struct ieee80211_hdr *) skb_put(skb, 24);
memset(nullfunc, 0, 24);
- fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC |
- IEEE80211_FCTL_TODS;
+ fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC |
+ IEEE80211_FCTL_TODS);
if (powersave)
- fc |= IEEE80211_FCTL_PM;
- nullfunc->frame_control = cpu_to_le16(fc);
+ 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);
@@ -4087,6 +4184,7 @@ int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len)
static char *
ieee80211_sta_scan_result(struct net_device *dev,
+ struct iw_request_info *info,
struct ieee80211_sta_bss *bss,
char *current_ev, char *end_buf)
{
@@ -4101,7 +4199,7 @@ ieee80211_sta_scan_result(struct net_device *dev,
iwe.cmd = SIOCGIWAP;
iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
- current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
+ current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
IW_EV_ADDR_LEN);
memset(&iwe, 0, sizeof(iwe));
@@ -4109,13 +4207,13 @@ ieee80211_sta_scan_result(struct net_device *dev,
if (bss_mesh_cfg(bss)) {
iwe.u.data.length = bss_mesh_id_len(bss);
iwe.u.data.flags = 1;
- current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
- bss_mesh_id(bss));
+ current_ev = iwe_stream_add_point(info, current_ev, end_buf,
+ &iwe, bss_mesh_id(bss));
} else {
iwe.u.data.length = bss->ssid_len;
iwe.u.data.flags = 1;
- current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
- bss->ssid);
+ current_ev = iwe_stream_add_point(info, current_ev, end_buf,
+ &iwe, bss->ssid);
}
if (bss->capability & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)
@@ -4128,22 +4226,22 @@ ieee80211_sta_scan_result(struct net_device *dev,
iwe.u.mode = IW_MODE_MASTER;
else
iwe.u.mode = IW_MODE_ADHOC;
- current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
- IW_EV_UINT_LEN);
+ current_ev = iwe_stream_add_event(info, current_ev, end_buf,
+ &iwe, IW_EV_UINT_LEN);
}
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWFREQ;
iwe.u.freq.m = ieee80211_frequency_to_channel(bss->freq);
iwe.u.freq.e = 0;
- current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
+ current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
IW_EV_FREQ_LEN);
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWFREQ;
iwe.u.freq.m = bss->freq;
iwe.u.freq.e = 6;
- current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
+ current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
IW_EV_FREQ_LEN);
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVQUAL;
@@ -4151,7 +4249,7 @@ ieee80211_sta_scan_result(struct net_device *dev,
iwe.u.qual.level = bss->signal;
iwe.u.qual.noise = bss->noise;
iwe.u.qual.updated = local->wstats_flags;
- current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
+ current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
IW_EV_QUAL_LEN);
memset(&iwe, 0, sizeof(iwe));
@@ -4161,35 +4259,36 @@ ieee80211_sta_scan_result(struct net_device *dev,
else
iwe.u.data.flags = IW_ENCODE_DISABLED;
iwe.u.data.length = 0;
- current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, "");
+ current_ev = iwe_stream_add_point(info, current_ev, end_buf,
+ &iwe, "");
if (bss && bss->wpa_ie) {
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVGENIE;
iwe.u.data.length = bss->wpa_ie_len;
- current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
- bss->wpa_ie);
+ current_ev = iwe_stream_add_point(info, current_ev, end_buf,
+ &iwe, bss->wpa_ie);
}
if (bss && bss->rsn_ie) {
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVGENIE;
iwe.u.data.length = bss->rsn_ie_len;
- current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
- bss->rsn_ie);
+ current_ev = iwe_stream_add_point(info, current_ev, end_buf,
+ &iwe, bss->rsn_ie);
}
if (bss && bss->ht_ie) {
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVGENIE;
iwe.u.data.length = bss->ht_ie_len;
- current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
- bss->ht_ie);
+ current_ev = iwe_stream_add_point(info, current_ev, end_buf,
+ &iwe, bss->ht_ie);
}
if (bss && bss->supp_rates_len > 0) {
/* display all supported rates in readable format */
- char *p = current_ev + IW_EV_LCP_LEN;
+ char *p = current_ev + iwe_stream_lcp_len(info);
int i;
memset(&iwe, 0, sizeof(iwe));
@@ -4200,7 +4299,7 @@ ieee80211_sta_scan_result(struct net_device *dev,
for (i = 0; i < bss->supp_rates_len; i++) {
iwe.u.bitrate.value = ((bss->supp_rates[i] &
0x7f) * 500000);
- p = iwe_stream_add_value(current_ev, p,
+ p = iwe_stream_add_value(info, current_ev, p,
end_buf, &iwe, IW_EV_PARAM_LEN);
}
current_ev = p;
@@ -4214,7 +4313,8 @@ ieee80211_sta_scan_result(struct net_device *dev,
iwe.cmd = IWEVCUSTOM;
sprintf(buf, "tsf=%016llx", (unsigned long long)(bss->timestamp));
iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(current_ev, end_buf,
+ current_ev = iwe_stream_add_point(info, current_ev,
+ end_buf,
&iwe, buf);
kfree(buf);
}
@@ -4229,31 +4329,36 @@ ieee80211_sta_scan_result(struct net_device *dev,
iwe.cmd = IWEVCUSTOM;
sprintf(buf, "Mesh network (version %d)", cfg[0]);
iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(current_ev, end_buf,
+ current_ev = iwe_stream_add_point(info, current_ev,
+ end_buf,
&iwe, buf);
sprintf(buf, "Path Selection Protocol ID: "
"0x%02X%02X%02X%02X", cfg[1], cfg[2], cfg[3],
cfg[4]);
iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(current_ev, end_buf,
+ current_ev = iwe_stream_add_point(info, current_ev,
+ end_buf,
&iwe, buf);
sprintf(buf, "Path Selection Metric ID: "
"0x%02X%02X%02X%02X", cfg[5], cfg[6], cfg[7],
cfg[8]);
iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(current_ev, end_buf,
+ current_ev = iwe_stream_add_point(info, current_ev,
+ end_buf,
&iwe, buf);
sprintf(buf, "Congestion Control Mode ID: "
"0x%02X%02X%02X%02X", cfg[9], cfg[10],
cfg[11], cfg[12]);
iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(current_ev, end_buf,
+ current_ev = iwe_stream_add_point(info, current_ev,
+ end_buf,
&iwe, buf);
sprintf(buf, "Channel Precedence: "
"0x%02X%02X%02X%02X", cfg[13], cfg[14],
cfg[15], cfg[16]);
iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(current_ev, end_buf,
+ current_ev = iwe_stream_add_point(info, current_ev,
+ end_buf,
&iwe, buf);
kfree(buf);
}
@@ -4263,7 +4368,9 @@ ieee80211_sta_scan_result(struct net_device *dev,
}
-int ieee80211_sta_scan_results(struct net_device *dev, char *buf, size_t len)
+int ieee80211_sta_scan_results(struct net_device *dev,
+ struct iw_request_info *info,
+ char *buf, size_t len)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
char *current_ev = buf;
@@ -4276,8 +4383,8 @@ int ieee80211_sta_scan_results(struct net_device *dev, char *buf, size_t len)
spin_unlock_bh(&local->sta_bss_lock);
return -E2BIG;
}
- current_ev = ieee80211_sta_scan_result(dev, bss, current_ev,
- end_buf);
+ current_ev = ieee80211_sta_scan_result(dev, info, bss,
+ current_ev, end_buf);
}
spin_unlock_bh(&local->sta_bss_lock);
return current_ev - buf;
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-14 03:37:24 +0000