#include <net/cfg80211.h>
#include "ieee80211_i.h"
+#include "driver-ops.h"
#include "rate.h"
#include "mesh.h"
#include "wep.h"
/* be a bit nasty */
new_flags |= (1<<31);
- local->ops->configure_filter(local_to_hw(local),
- changed_flags, &new_flags,
- local->mdev->mc_count,
- local->mdev->mc_list);
+ drv_configure_filter(local, changed_flags, &new_flags,
+ local->mdev->mc_count,
+ local->mdev->mc_list);
WARN_ON(new_flags & (1<<31));
ieee80211_configure_filter(local);
}
-/* everything else */
-
-int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed)
-{
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_if_conf conf;
-
- if (WARN_ON(!netif_running(sdata->dev)))
- return 0;
-
- memset(&conf, 0, sizeof(conf));
-
- 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)) {
- static const u8 zero[ETH_ALEN] = { 0 };
- conf.bssid = zero;
- } else {
- WARN_ON(1);
- return -EINVAL;
- }
-
- if (!local->ops->config_interface)
- return 0;
-
- switch (sdata->vif.type) {
- case NL80211_IFTYPE_AP:
- case NL80211_IFTYPE_ADHOC:
- case NL80211_IFTYPE_MESH_POINT:
- break;
- default:
- /* do not warn to simplify caller in scan.c */
- changed &= ~IEEE80211_IFCC_BEACON_ENABLED;
- if (WARN_ON(changed & IEEE80211_IFCC_BEACON))
- return -EINVAL;
- changed &= ~IEEE80211_IFCC_BEACON;
- break;
- }
-
- if (changed & IEEE80211_IFCC_BEACON_ENABLED) {
- if (local->sw_scanning) {
- conf.enable_beacon = false;
- } else {
- /*
- * Beacon should be enabled, but AP mode must
- * check whether there is a beacon configured.
- */
- switch (sdata->vif.type) {
- case NL80211_IFTYPE_AP:
- conf.enable_beacon =
- !!rcu_dereference(sdata->u.ap.beacon);
- break;
- case NL80211_IFTYPE_ADHOC:
- conf.enable_beacon = !!sdata->u.ibss.presp;
- break;
- case NL80211_IFTYPE_MESH_POINT:
- conf.enable_beacon = true;
- break;
- default:
- /* not reached */
- WARN_ON(1);
- break;
- }
- }
- }
-
- conf.changed = changed;
-
- return local->ops->config_interface(local_to_hw(local),
- &sdata->vif, &conf);
-}
-
int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
{
- struct ieee80211_channel *chan;
+ struct ieee80211_channel *chan, *scan_chan;
int ret = 0;
int power;
enum nl80211_channel_type channel_type;
might_sleep();
- if (local->sw_scanning) {
- chan = local->scan_channel;
+ scan_chan = local->scan_channel;
+
+ if (scan_chan) {
+ chan = scan_chan;
channel_type = NL80211_CHAN_NO_HT;
} else {
chan = local->oper_channel;
changed |= IEEE80211_CONF_CHANGE_CHANNEL;
}
- if (local->sw_scanning)
+ if (scan_chan)
power = chan->max_power;
else
power = local->power_constr_level ?
}
if (changed && local->open_count) {
- ret = local->ops->config(local_to_hw(local), changed);
+ ret = drv_config(local, changed);
/*
* Goal:
* HW reconfiguration should never fail, the driver has told
u32 changed)
{
struct ieee80211_local *local = sdata->local;
+ static const u8 zero[ETH_ALEN] = { 0 };
- if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN))
+ if (!changed)
return;
- if (!changed)
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+ /*
+ * While not associated, claim a BSSID of all-zeroes
+ * so that drivers don't do any weird things with the
+ * BSSID at that time.
+ */
+ if (sdata->vif.bss_conf.assoc)
+ sdata->vif.bss_conf.bssid = sdata->u.mgd.bssid;
+ else
+ sdata->vif.bss_conf.bssid = zero;
+ } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
+ sdata->vif.bss_conf.bssid = sdata->u.ibss.bssid;
+ else if (sdata->vif.type == NL80211_IFTYPE_AP)
+ sdata->vif.bss_conf.bssid = sdata->dev->dev_addr;
+ else if (ieee80211_vif_is_mesh(&sdata->vif)) {
+ sdata->vif.bss_conf.bssid = zero;
+ } else {
+ WARN_ON(1);
return;
+ }
+
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_MESH_POINT:
+ break;
+ default:
+ /* do not warn to simplify caller in scan.c */
+ changed &= ~BSS_CHANGED_BEACON_ENABLED;
+ if (WARN_ON(changed & BSS_CHANGED_BEACON))
+ return;
+ break;
+ }
- if (local->ops->bss_info_changed)
- local->ops->bss_info_changed(local_to_hw(local),
- &sdata->vif,
- &sdata->vif.bss_conf,
- changed);
+ if (changed & BSS_CHANGED_BEACON_ENABLED) {
+ if (local->sw_scanning) {
+ sdata->vif.bss_conf.enable_beacon = false;
+ } else {
+ /*
+ * Beacon should be enabled, but AP mode must
+ * check whether there is a beacon configured.
+ */
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_AP:
+ sdata->vif.bss_conf.enable_beacon =
+ !!rcu_dereference(sdata->u.ap.beacon);
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ sdata->vif.bss_conf.enable_beacon =
+ !!rcu_dereference(sdata->u.ibss.presp);
+ break;
+ case NL80211_IFTYPE_MESH_POINT:
+ sdata->vif.bss_conf.enable_beacon = true;
+ break;
+ default:
+ /* not reached */
+ WARN_ON(1);
+ break;
+ }
+ }
+ }
+
+ drv_bss_info_changed(local, &sdata->vif,
+ &sdata->vif.bss_conf, changed);
+
+ /* DEPRECATED */
+ local->hw.conf.beacon_int = sdata->vif.bss_conf.beacon_int;
}
u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata)
}
}
-/* Remove added headers (e.g., QoS control), encryption header/MIC, etc. to
- * make a prepared TX frame (one that has been given to hw) to look like brand
- * new IEEE 802.11 frame that is ready to go through TX processing again.
- */
-static void ieee80211_remove_tx_extra(struct ieee80211_local *local,
- struct ieee80211_key *key,
- struct sk_buff *skb)
-{
- unsigned int hdrlen, iv_len, mic_len;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-
- hdrlen = ieee80211_hdrlen(hdr->frame_control);
-
- if (!key)
- goto no_key;
-
- switch (key->conf.alg) {
- case ALG_WEP:
- iv_len = WEP_IV_LEN;
- mic_len = WEP_ICV_LEN;
- break;
- case ALG_TKIP:
- iv_len = TKIP_IV_LEN;
- mic_len = TKIP_ICV_LEN;
- break;
- case ALG_CCMP:
- iv_len = CCMP_HDR_LEN;
- mic_len = CCMP_MIC_LEN;
- break;
- default:
- goto no_key;
- }
-
- if (skb->len >= hdrlen + mic_len &&
- !(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
- skb_trim(skb, skb->len - mic_len);
- if (skb->len >= hdrlen + iv_len) {
- memmove(skb->data + iv_len, skb->data, hdrlen);
- hdr = (struct ieee80211_hdr *)skb_pull(skb, iv_len);
- }
-
-no_key:
- if (ieee80211_is_data_qos(hdr->frame_control)) {
- hdr->frame_control &= ~cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
- memmove(skb->data + IEEE80211_QOS_CTL_LEN, skb->data,
- hdrlen - IEEE80211_QOS_CTL_LEN);
- skb_pull(skb, IEEE80211_QOS_CTL_LEN);
- }
-}
-
static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
struct sta_info *sta,
struct sk_buff *skb)
{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
sta->tx_filtered_count++;
/*
*/
if (test_sta_flags(sta, WLAN_STA_PS) &&
skb_queue_len(&sta->tx_filtered) < STA_MAX_TX_BUFFER) {
- ieee80211_remove_tx_extra(local, sta->key, skb);
skb_queue_tail(&sta->tx_filtered, skb);
return;
}
- if (!test_sta_flags(sta, WLAN_STA_PS) && !skb->requeue) {
+ if (!test_sta_flags(sta, WLAN_STA_PS) &&
+ !(info->flags & IEEE80211_TX_INTFL_RETRIED)) {
/* Software retry the packet once */
- skb->requeue = 1;
- ieee80211_remove_tx_extra(local, sta->key, skb);
- dev_queue_xmit(skb);
+ info->flags |= IEEE80211_TX_INTFL_RETRIED;
+ ieee80211_add_pending_skb(local, skb);
return;
}
* +-------------------------+
*
*/
- priv_size = ((sizeof(struct ieee80211_local) +
- NETDEV_ALIGN_CONST) & ~NETDEV_ALIGN_CONST) +
- priv_data_len;
+ priv_size = ALIGN(sizeof(*local), NETDEV_ALIGN) + priv_data_len;
wiphy = wiphy_new(&mac80211_config_ops, priv_size);
local->hw.wiphy = wiphy;
- local->hw.priv = (char *)local +
- ((sizeof(struct ieee80211_local) +
- NETDEV_ALIGN_CONST) & ~NETDEV_ALIGN_CONST);
+ local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN);
BUG_ON(!ops->tx);
BUG_ON(!ops->start);
INIT_LIST_HEAD(&local->interfaces);
mutex_init(&local->iflist_mtx);
+ mutex_init(&local->scan_mtx);
spin_lock_init(&local->key_lock);
if (!local->oper_channel) {
/* init channel we're on */
local->hw.conf.channel =
- local->oper_channel =
- local->scan_channel = &sband->channels[0];
+ local->oper_channel = &sband->channels[0];
+ local->hw.conf.channel_type = NL80211_CHAN_NO_HT;
}
channels += sband->n_channels;
debugfs_hw_add(local);
- if (local->hw.conf.beacon_int < 10)
- local->hw.conf.beacon_int = 100;
-
if (local->hw.max_listen_interval == 0)
local->hw.max_listen_interval = 1;
struct ieee80211_local *local = hw_to_local(hw);
mutex_destroy(&local->iflist_mtx);
+ mutex_destroy(&local->scan_mtx);
wiphy_free(local->hw.wiphy);
}
projects / karo-tx-linux.git / blobdiff