mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-09-04 11:50:14 +03:00
225 lines
6.0 KiB
Diff
225 lines
6.0 KiB
Diff
|
Subject: mac80211: implement cfg80211's station handling
|
||
|
|
||
|
This implements station handling from userspace via cfg80211
|
||
|
in mac80211.
|
||
|
|
||
|
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
|
||
|
|
||
|
---
|
||
|
net/mac80211/cfg.c | 192 +++++++++++++++++++++++++++++++++++++++++++++++++++++
|
||
|
1 file changed, 192 insertions(+)
|
||
|
|
||
|
--- everything.orig/net/mac80211/cfg.c 2007-11-08 17:11:52.351521702 +0100
|
||
|
+++ everything/net/mac80211/cfg.c 2007-11-08 17:15:51.801523493 +0100
|
||
|
@@ -14,6 +14,7 @@
|
||
|
#include <net/cfg80211.h>
|
||
|
#include "ieee80211_i.h"
|
||
|
#include "cfg.h"
|
||
|
+#include "ieee80211_rate.h"
|
||
|
|
||
|
static enum ieee80211_if_types
|
||
|
nl80211_type_to_mac80211_type(enum nl80211_iftype type)
|
||
|
@@ -428,6 +429,194 @@ static int ieee80211_del_beacon(struct w
|
||
|
return ieee80211_if_config_beacon(dev);
|
||
|
}
|
||
|
|
||
|
+/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
|
||
|
+struct iapp_layer2_update {
|
||
|
+ u8 da[ETH_ALEN]; /* broadcast */
|
||
|
+ u8 sa[ETH_ALEN]; /* STA addr */
|
||
|
+ __be16 len; /* 6 */
|
||
|
+ u8 dsap; /* 0 */
|
||
|
+ u8 ssap; /* 0 */
|
||
|
+ u8 control;
|
||
|
+ u8 xid_info[3];
|
||
|
+} __attribute__ ((packed));
|
||
|
+
|
||
|
+static void ieee80211_send_layer2_update(struct sta_info *sta)
|
||
|
+{
|
||
|
+ struct iapp_layer2_update *msg;
|
||
|
+ struct sk_buff *skb;
|
||
|
+
|
||
|
+ /* Send Level 2 Update Frame to update forwarding tables in layer 2
|
||
|
+ * bridge devices */
|
||
|
+
|
||
|
+ skb = dev_alloc_skb(sizeof(*msg));
|
||
|
+ if (!skb)
|
||
|
+ return;
|
||
|
+ msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
|
||
|
+
|
||
|
+ /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
|
||
|
+ * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
|
||
|
+
|
||
|
+ memset(msg->da, 0xff, ETH_ALEN);
|
||
|
+ memcpy(msg->sa, sta->addr, ETH_ALEN);
|
||
|
+ msg->len = htons(6);
|
||
|
+ msg->dsap = 0;
|
||
|
+ msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
|
||
|
+ msg->control = 0xaf; /* XID response lsb.1111F101.
|
||
|
+ * F=0 (no poll command; unsolicited frame) */
|
||
|
+ msg->xid_info[0] = 0x81; /* XID format identifier */
|
||
|
+ msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
|
||
|
+ msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
|
||
|
+
|
||
|
+ skb->dev = sta->dev;
|
||
|
+ skb->protocol = eth_type_trans(skb, sta->dev);
|
||
|
+ memset(skb->cb, 0, sizeof(skb->cb));
|
||
|
+ netif_rx(skb);
|
||
|
+}
|
||
|
+
|
||
|
+static void sta_apply_parameters(struct ieee80211_local *local,
|
||
|
+ struct sta_info *sta,
|
||
|
+ struct station_parameters *params)
|
||
|
+{
|
||
|
+ u32 rates;
|
||
|
+ int i, j;
|
||
|
+ struct ieee80211_hw_mode *mode;
|
||
|
+
|
||
|
+ if (params->station_flags & STATION_FLAG_CHANGED) {
|
||
|
+ sta->flags &= ~WLAN_STA_AUTHORIZED;
|
||
|
+ if (params->station_flags & STATION_FLAG_AUTHORIZED)
|
||
|
+ sta->flags |= WLAN_STA_AUTHORIZED;
|
||
|
+
|
||
|
+ sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
|
||
|
+ if (params->station_flags & STATION_FLAG_SHORT_PREAMBLE)
|
||
|
+ sta->flags |= WLAN_STA_SHORT_PREAMBLE;
|
||
|
+
|
||
|
+ sta->flags &= ~WLAN_STA_WME;
|
||
|
+ if (params->station_flags & STATION_FLAG_WME)
|
||
|
+ sta->flags |= WLAN_STA_WME;
|
||
|
+ }
|
||
|
+
|
||
|
+ if (params->aid) {
|
||
|
+ sta->aid = params->aid;
|
||
|
+ if (sta->aid > IEEE80211_MAX_AID)
|
||
|
+ sta->aid = 0; /* XXX: should this be an error? */
|
||
|
+ }
|
||
|
+
|
||
|
+ if (params->listen_interval >= 0)
|
||
|
+ sta->listen_interval = params->listen_interval;
|
||
|
+
|
||
|
+ if (params->supported_rates) {
|
||
|
+ rates = 0;
|
||
|
+ mode = local->oper_hw_mode;
|
||
|
+ for (i = 0; i < params->supported_rates_len; i++) {
|
||
|
+ int rate = (params->supported_rates[i] & 0x7f) * 5;
|
||
|
+ for (j = 0; j < mode->num_rates; j++) {
|
||
|
+ if (mode->rates[j].rate == rate)
|
||
|
+ rates |= BIT(j);
|
||
|
+ }
|
||
|
+ }
|
||
|
+ sta->supp_rates = rates;
|
||
|
+ }
|
||
|
+}
|
||
|
+
|
||
|
+static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
|
||
|
+ u8 *mac, struct station_parameters *params)
|
||
|
+{
|
||
|
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
||
|
+ struct sta_info *sta;
|
||
|
+ struct ieee80211_sub_if_data *sdata;
|
||
|
+
|
||
|
+ /* Prevent a race with changing the rate control algorithm */
|
||
|
+ if (!netif_running(dev))
|
||
|
+ return -ENETDOWN;
|
||
|
+
|
||
|
+ /* XXX: get sta belonging to dev */
|
||
|
+ sta = sta_info_get(local, mac);
|
||
|
+ if (sta) {
|
||
|
+ sta_info_put(sta);
|
||
|
+ return -EEXIST;
|
||
|
+ }
|
||
|
+
|
||
|
+ if (params->vlan) {
|
||
|
+ sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
|
||
|
+
|
||
|
+ if (sdata->type != IEEE80211_IF_TYPE_VLAN ||
|
||
|
+ sdata->type != IEEE80211_IF_TYPE_AP)
|
||
|
+ return -EINVAL;
|
||
|
+ } else
|
||
|
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
||
|
+
|
||
|
+ sta = sta_info_add(local, dev, mac, GFP_KERNEL);
|
||
|
+ if (!sta)
|
||
|
+ return -ENOMEM;
|
||
|
+
|
||
|
+ sta->dev = sdata->dev;
|
||
|
+ if (sdata->type == IEEE80211_IF_TYPE_VLAN ||
|
||
|
+ sdata->type == IEEE80211_IF_TYPE_AP)
|
||
|
+ ieee80211_send_layer2_update(sta);
|
||
|
+
|
||
|
+ sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
|
||
|
+
|
||
|
+ sta_apply_parameters(local, sta, params);
|
||
|
+
|
||
|
+ rate_control_rate_init(sta, local);
|
||
|
+
|
||
|
+ sta_info_put(sta);
|
||
|
+
|
||
|
+ return 0;
|
||
|
+}
|
||
|
+
|
||
|
+static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
|
||
|
+ u8 *mac)
|
||
|
+{
|
||
|
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
||
|
+ struct sta_info *sta;
|
||
|
+
|
||
|
+ if (mac) {
|
||
|
+ /* XXX: get sta belonging to dev */
|
||
|
+ sta = sta_info_get(local, mac);
|
||
|
+ if (!sta)
|
||
|
+ return -ENOENT;
|
||
|
+
|
||
|
+ sta_info_free(sta);
|
||
|
+ sta_info_put(sta);
|
||
|
+ } else
|
||
|
+ sta_info_flush(local, dev);
|
||
|
+
|
||
|
+ return 0;
|
||
|
+}
|
||
|
+
|
||
|
+static int ieee80211_change_station(struct wiphy *wiphy,
|
||
|
+ struct net_device *dev,
|
||
|
+ u8 *mac,
|
||
|
+ struct station_parameters *params)
|
||
|
+{
|
||
|
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
||
|
+ struct sta_info *sta;
|
||
|
+ struct ieee80211_sub_if_data *vlansdata;
|
||
|
+
|
||
|
+ /* XXX: get sta belonging to dev */
|
||
|
+ sta = sta_info_get(local, mac);
|
||
|
+ if (!sta)
|
||
|
+ return -ENOENT;
|
||
|
+
|
||
|
+ if (params->vlan && params->vlan != sta->dev) {
|
||
|
+ vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
|
||
|
+
|
||
|
+ if (vlansdata->type != IEEE80211_IF_TYPE_VLAN ||
|
||
|
+ vlansdata->type != IEEE80211_IF_TYPE_AP)
|
||
|
+ return -EINVAL;
|
||
|
+
|
||
|
+ sta->dev = params->vlan;
|
||
|
+ ieee80211_send_layer2_update(sta);
|
||
|
+ }
|
||
|
+
|
||
|
+ sta_apply_parameters(local, sta, params);
|
||
|
+
|
||
|
+ sta_info_put(sta);
|
||
|
+
|
||
|
+ return 0;
|
||
|
+}
|
||
|
+
|
||
|
struct cfg80211_ops mac80211_config_ops = {
|
||
|
.add_virtual_intf = ieee80211_add_iface,
|
||
|
.del_virtual_intf = ieee80211_del_iface,
|
||
|
@@ -439,4 +628,7 @@ struct cfg80211_ops mac80211_config_ops
|
||
|
.add_beacon = ieee80211_add_beacon,
|
||
|
.set_beacon = ieee80211_set_beacon,
|
||
|
.del_beacon = ieee80211_del_beacon,
|
||
|
+ .add_station = ieee80211_add_station,
|
||
|
+ .del_station = ieee80211_del_station,
|
||
|
+ .change_station = ieee80211_change_station,
|
||
|
};
|