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Diffstat (limited to 'package/mac80211/src/net/mac80211/cfg.c')
-rw-r--r--package/mac80211/src/net/mac80211/cfg.c668
1 files changed, 0 insertions, 668 deletions
diff --git a/package/mac80211/src/net/mac80211/cfg.c b/package/mac80211/src/net/mac80211/cfg.c
deleted file mode 100644
index a083cc7885..0000000000
--- a/package/mac80211/src/net/mac80211/cfg.c
+++ /dev/null
@@ -1,668 +0,0 @@
-/*
- * mac80211 configuration hooks for cfg80211
- *
- * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
- *
- * This file is GPLv2 as found in COPYING.
- */
-
-#include <linux/ieee80211.h>
-#include <linux/nl80211.h>
-#include <linux/rtnetlink.h>
-#include <net/net_namespace.h>
-#include <linux/rcupdate.h>
-#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)
-{
- switch (type) {
- case NL80211_IFTYPE_UNSPECIFIED:
- return IEEE80211_IF_TYPE_STA;
- case NL80211_IFTYPE_ADHOC:
- return IEEE80211_IF_TYPE_IBSS;
- case NL80211_IFTYPE_STATION:
- return IEEE80211_IF_TYPE_STA;
- case NL80211_IFTYPE_MONITOR:
- return IEEE80211_IF_TYPE_MNTR;
- default:
- return IEEE80211_IF_TYPE_INVALID;
- }
-}
-
-static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
- enum nl80211_iftype type, u32 *flags)
-{
- struct ieee80211_local *local = wiphy_priv(wiphy);
- enum ieee80211_if_types itype;
- struct net_device *dev;
- struct ieee80211_sub_if_data *sdata;
- int err;
-
- if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED))
- return -ENODEV;
-
- itype = nl80211_type_to_mac80211_type(type);
- if (itype == IEEE80211_IF_TYPE_INVALID)
- return -EINVAL;
-
- err = ieee80211_if_add(local->mdev, name, &dev, itype);
- if (err || itype != IEEE80211_IF_TYPE_MNTR || !flags)
- return err;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- sdata->u.mntr_flags = *flags;
- return 0;
-}
-
-static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
-{
- struct ieee80211_local *local = wiphy_priv(wiphy);
- struct net_device *dev;
- char *name;
-
- if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED))
- return -ENODEV;
-
- /* we're under RTNL */
- dev = __dev_get_by_index(&init_net, ifindex);
- if (!dev)
- return 0;
-
- name = dev->name;
-
- return ieee80211_if_remove(local->mdev, name, -1);
-}
-
-static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
- enum nl80211_iftype type, u32 *flags)
-{
- struct ieee80211_local *local = wiphy_priv(wiphy);
- struct net_device *dev;
- enum ieee80211_if_types itype;
- struct ieee80211_sub_if_data *sdata;
-
- if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED))
- return -ENODEV;
-
- /* we're under RTNL */
- dev = __dev_get_by_index(&init_net, ifindex);
- if (!dev)
- return -ENODEV;
-
- if (netif_running(dev))
- return -EBUSY;
-
- itype = nl80211_type_to_mac80211_type(type);
- if (itype == IEEE80211_IF_TYPE_INVALID)
- return -EINVAL;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
- return -EOPNOTSUPP;
-
- ieee80211_if_reinit(dev);
- ieee80211_if_set_type(dev, itype);
-
- if (sdata->vif.type != IEEE80211_IF_TYPE_MNTR || !flags)
- return 0;
-
- sdata->u.mntr_flags = *flags;
- return 0;
-}
-
-static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
- u8 key_idx, u8 *mac_addr,
- struct key_params *params)
-{
- struct ieee80211_sub_if_data *sdata;
- struct sta_info *sta = NULL;
- enum ieee80211_key_alg alg;
- int ret;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- switch (params->cipher) {
- case WLAN_CIPHER_SUITE_WEP40:
- case WLAN_CIPHER_SUITE_WEP104:
- alg = ALG_WEP;
- break;
- case WLAN_CIPHER_SUITE_TKIP:
- alg = ALG_TKIP;
- break;
- case WLAN_CIPHER_SUITE_CCMP:
- alg = ALG_CCMP;
- break;
- default:
- return -EINVAL;
- }
-
- if (mac_addr) {
- sta = sta_info_get(sdata->local, mac_addr);
- if (!sta)
- return -ENOENT;
- }
-
- ret = 0;
- if (!ieee80211_key_alloc(sdata, sta, alg, key_idx,
- params->key_len, params->key))
- ret = -ENOMEM;
-
- if (sta)
- sta_info_put(sta);
-
- return ret;
-}
-
-static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
- u8 key_idx, u8 *mac_addr)
-{
- struct ieee80211_sub_if_data *sdata;
- struct sta_info *sta;
- int ret;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (mac_addr) {
- sta = sta_info_get(sdata->local, mac_addr);
- if (!sta)
- return -ENOENT;
-
- ret = 0;
- if (sta->key)
- ieee80211_key_free(sta->key);
- else
- ret = -ENOENT;
-
- sta_info_put(sta);
- return ret;
- }
-
- if (!sdata->keys[key_idx])
- return -ENOENT;
-
- ieee80211_key_free(sdata->keys[key_idx]);
-
- return 0;
-}
-
-static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
- u8 key_idx, u8 *mac_addr, void *cookie,
- void (*callback)(void *cookie,
- struct key_params *params))
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct sta_info *sta = NULL;
- u8 seq[6] = {0};
- struct key_params params;
- struct ieee80211_key *key;
- u32 iv32;
- u16 iv16;
- int err = -ENOENT;
-
- if (mac_addr) {
- sta = sta_info_get(sdata->local, mac_addr);
- if (!sta)
- goto out;
-
- key = sta->key;
- } else
- key = sdata->keys[key_idx];
-
- if (!key)
- goto out;
-
- memset(&params, 0, sizeof(params));
-
- switch (key->conf.alg) {
- case ALG_TKIP:
- params.cipher = WLAN_CIPHER_SUITE_TKIP;
-
- iv32 = key->u.tkip.iv32;
- iv16 = key->u.tkip.iv16;
-
- if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
- sdata->local->ops->get_tkip_seq)
- sdata->local->ops->get_tkip_seq(
- local_to_hw(sdata->local),
- key->conf.hw_key_idx,
- &iv32, &iv16);
-
- seq[0] = iv16 & 0xff;
- seq[1] = (iv16 >> 8) & 0xff;
- seq[2] = iv32 & 0xff;
- seq[3] = (iv32 >> 8) & 0xff;
- seq[4] = (iv32 >> 16) & 0xff;
- seq[5] = (iv32 >> 24) & 0xff;
- params.seq = seq;
- params.seq_len = 6;
- break;
- case ALG_CCMP:
- params.cipher = WLAN_CIPHER_SUITE_CCMP;
- seq[0] = key->u.ccmp.tx_pn[5];
- seq[1] = key->u.ccmp.tx_pn[4];
- seq[2] = key->u.ccmp.tx_pn[3];
- seq[3] = key->u.ccmp.tx_pn[2];
- seq[4] = key->u.ccmp.tx_pn[1];
- seq[5] = key->u.ccmp.tx_pn[0];
- params.seq = seq;
- params.seq_len = 6;
- break;
- case ALG_WEP:
- if (key->conf.keylen == 5)
- params.cipher = WLAN_CIPHER_SUITE_WEP40;
- else
- params.cipher = WLAN_CIPHER_SUITE_WEP104;
- break;
- }
-
- params.key = key->conf.key;
- params.key_len = key->conf.keylen;
-
- callback(cookie, &params);
- err = 0;
-
- out:
- if (sta)
- sta_info_put(sta);
- return err;
-}
-
-static int ieee80211_config_default_key(struct wiphy *wiphy,
- struct net_device *dev,
- u8 key_idx)
-{
- struct ieee80211_sub_if_data *sdata;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- ieee80211_set_default_key(sdata, key_idx);
-
- return 0;
-}
-
-static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
- u8 *mac, struct station_stats *stats)
-{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct sta_info *sta;
-
- sta = sta_info_get(local, mac);
- if (!sta)
- return -ENOENT;
-
- /* XXX: verify sta->dev == dev */
-
- stats->filled = STATION_STAT_INACTIVE_TIME |
- STATION_STAT_RX_BYTES |
- STATION_STAT_TX_BYTES;
-
- stats->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
- stats->rx_bytes = sta->rx_bytes;
- stats->tx_bytes = sta->tx_bytes;
-
- sta_info_put(sta);
-
- return 0;
-}
-
-/*
- * This handles both adding a beacon and setting new beacon info
- */
-static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
- struct beacon_parameters *params)
-{
- struct beacon_data *new, *old;
- int new_head_len, new_tail_len;
- int size;
- int err = -EINVAL;
-
- old = sdata->u.ap.beacon;
-
- /* head must not be zero-length */
- if (params->head && !params->head_len)
- return -EINVAL;
-
- /*
- * This is a kludge. beacon interval should really be part
- * of the beacon information.
- */
- if (params->interval) {
- sdata->local->hw.conf.beacon_int = params->interval;
- if (ieee80211_hw_config(sdata->local))
- return -EINVAL;
- /*
- * We updated some parameter so if below bails out
- * it's not an error.
- */
- err = 0;
- }
-
- /* Need to have a beacon head if we don't have one yet */
- if (!params->head && !old)
- return err;
-
- /* sorry, no way to start beaconing without dtim period */
- if (!params->dtim_period && !old)
- return err;
-
- /* new or old head? */
- if (params->head)
- new_head_len = params->head_len;
- else
- new_head_len = old->head_len;
-
- /* new or old tail? */
- if (params->tail || !old)
- /* params->tail_len will be zero for !params->tail */
- new_tail_len = params->tail_len;
- else
- new_tail_len = old->tail_len;
-
- size = sizeof(*new) + new_head_len + new_tail_len;
-
- new = kzalloc(size, GFP_KERNEL);
- if (!new)
- return -ENOMEM;
-
- /* start filling the new info now */
-
- /* new or old dtim period? */
- if (params->dtim_period)
- new->dtim_period = params->dtim_period;
- else
- new->dtim_period = old->dtim_period;
-
- /*
- * pointers go into the block we allocated,
- * memory is | beacon_data | head | tail |
- */
- new->head = ((u8 *) new) + sizeof(*new);
- new->tail = new->head + new_head_len;
- new->head_len = new_head_len;
- new->tail_len = new_tail_len;
-
- /* copy in head */
- if (params->head)
- memcpy(new->head, params->head, new_head_len);
- else
- memcpy(new->head, old->head, new_head_len);
-
- /* copy in optional tail */
- if (params->tail)
- memcpy(new->tail, params->tail, new_tail_len);
- else
- if (old)
- memcpy(new->tail, old->tail, new_tail_len);
-
- rcu_assign_pointer(sdata->u.ap.beacon, new);
-
- synchronize_rcu();
-
- kfree(old);
-
- return ieee80211_if_config_beacon(sdata->dev);
-}
-
-static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
- struct beacon_parameters *params)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct beacon_data *old;
-
- if (sdata->vif.type != IEEE80211_IF_TYPE_AP)
- return -EINVAL;
-
- old = sdata->u.ap.beacon;
-
- if (old)
- return -EALREADY;
-
- return ieee80211_config_beacon(sdata, params);
-}
-
-static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
- struct beacon_parameters *params)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct beacon_data *old;
-
- if (sdata->vif.type != IEEE80211_IF_TYPE_AP)
- return -EINVAL;
-
- old = sdata->u.ap.beacon;
-
- if (!old)
- return -ENOENT;
-
- return ieee80211_config_beacon(sdata, params);
-}
-
-static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct beacon_data *old;
-
- if (sdata->vif.type != IEEE80211_IF_TYPE_AP)
- return -EINVAL;
-
- old = sdata->u.ap.beacon;
-
- if (!old)
- return -ENOENT;
-
- rcu_assign_pointer(sdata->u.ap.beacon, NULL);
- synchronize_rcu();
- kfree(old);
-
- 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_supported_band *sband;
-
- 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;
- sband = local->hw.wiphy->bands[local->oper_channel->band];
-
- for (i = 0; i < params->supported_rates_len; i++) {
- int rate = (params->supported_rates[i] & 0x7f) * 5;
- for (j = 0; j < sband->n_bitrates; j++) {
- if (sband->bitrates[j].bitrate == rate)
- rates |= BIT(j);
- }
- }
- sta->supp_rates[local->oper_channel->band] = 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->vif.type != IEEE80211_IF_TYPE_VLAN ||
- sdata->vif.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->vif.type == IEEE80211_IF_TYPE_VLAN ||
- sdata->vif.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->vif.type != IEEE80211_IF_TYPE_VLAN ||
- vlansdata->vif.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,
- .change_virtual_intf = ieee80211_change_iface,
- .add_key = ieee80211_add_key,
- .del_key = ieee80211_del_key,
- .get_key = ieee80211_get_key,
- .set_default_key = ieee80211_config_default_key,
- .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,
- .get_station = ieee80211_get_station,
-};
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-05 05:35:50 +0000