* to closest integer */
dur = ieee80211_frame_duration(local, 10, rate, erp,
- tx->sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE);
+ tx->sdata->bss_conf.use_short_preamble);
if (next_frag_len) {
/* Frame is fragmented: duration increases with time needed to
/* next fragment */
dur += ieee80211_frame_duration(local, next_frag_len,
txrate->rate, erp,
- tx->sdata->flags &
- IEEE80211_SDATA_SHORT_PREAMBLE);
+ tx->sdata->bss_conf.use_short_preamble);
}
return dur;
if (likely(tx->flags & IEEE80211_TXRXD_TXUNICAST)) {
if (unlikely(!(sta_flags & WLAN_STA_ASSOC) &&
- tx->sdata->type != IEEE80211_IF_TYPE_IBSS &&
+ tx->sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
(tx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA)) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
DECLARE_MAC_BUF(mac);
} else {
if (unlikely((tx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA &&
tx->local->num_sta == 0 &&
- tx->sdata->type != IEEE80211_IF_TYPE_IBSS)) {
+ tx->sdata->vif.type != IEEE80211_IF_TYPE_IBSS)) {
/*
* No associated STAs - no need to send multicast
* frames.
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
struct ieee80211_if_ap *ap;
if (sdata->dev == local->mdev ||
- sdata->type != IEEE80211_IF_TYPE_AP)
+ sdata->vif.type != IEEE80211_IF_TYPE_AP)
continue;
ap = &sdata->u.ap;
skb = skb_dequeue(&ap->ps_bc_buf);
tx->u.tx.control->alt_retry_rate = -1;
if (tx->u.tx.mode->mode == MODE_IEEE80211G &&
- (tx->sdata->flags & IEEE80211_SDATA_USE_PROTECTION) &&
+ tx->sdata->bss_conf.use_cts_prot &&
(tx->flags & IEEE80211_TXRXD_FRAGMENTED) && rsel.nonerp) {
tx->u.tx.last_frag_rate = tx->u.tx.rate;
if (rsel.probe)
if (mode->mode == MODE_IEEE80211G &&
(tx->u.tx.rate->flags & IEEE80211_RATE_ERP) &&
(tx->flags & IEEE80211_TXRXD_TXUNICAST) &&
- (tx->sdata->flags & IEEE80211_SDATA_USE_PROTECTION) &&
+ tx->sdata->bss_conf.use_cts_prot &&
!(control->flags & IEEE80211_TXCTL_USE_RTS_CTS))
control->flags |= IEEE80211_TXCTL_USE_CTS_PROTECT;
* available on the network at the current point in time. */
if (((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) &&
(tx->u.tx.rate->flags & IEEE80211_RATE_PREAMBLE2) &&
- (tx->sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE) &&
+ tx->sdata->bss_conf.use_short_preamble &&
(!tx->sta || (tx->sta->flags & WLAN_STA_SHORT_PREAMBLE))) {
tx->u.tx.control->tx_rate = tx->u.tx.rate->val2;
}
/* process and remove the injection radiotap header */
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (unlikely(sdata->type == IEEE80211_IF_TYPE_MNTR)) {
+ if (unlikely(sdata->vif.type == IEEE80211_IF_TYPE_MNTR)) {
if (__ieee80211_parse_tx_radiotap(tx, skb) == TXRX_DROP)
return TXRX_DROP;
return TXRX_CONTINUE;
}
-/* Device in tx->dev has a reference added; use dev_put(tx->dev) when
- * finished with it.
- *
+/*
* NB: @tx is uninitialised when passed in here
*/
static int ieee80211_tx_prepare(struct ieee80211_txrx_data *tx,
return -ENODEV;
/* initialises tx with control */
__ieee80211_tx_prepare(tx, skb, dev, control);
+ dev_put(dev);
return 0;
}
}
}
- control.ifindex = odev->ifindex;
- control.type = osdata->type;
+ control.vif = &osdata->vif;
+ control.type = osdata->vif.type;
if (pkt_data->flags & IEEE80211_TXPD_REQ_TX_STATUS)
control.flags |= IEEE80211_TXCTL_REQ_TX_STATUS;
if (pkt_data->flags & IEEE80211_TXPD_DO_NOT_ENCRYPT)
ethertype = (skb->data[12] << 8) | skb->data[13];
fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA;
- switch (sdata->type) {
+ switch (sdata->vif.type) {
case IEEE80211_IF_TYPE_AP:
case IEEE80211_IF_TYPE_VLAN:
fc |= IEEE80211_FCTL_FROMDS;
static void ieee80211_beacon_add_tim(struct ieee80211_local *local,
struct ieee80211_if_ap *bss,
- struct sk_buff *skb)
+ struct sk_buff *skb,
+ struct beacon_data *beacon)
{
u8 *pos, *tim;
int aid0 = 0;
IEEE80211_MAX_AID+1);
if (bss->dtim_count == 0)
- bss->dtim_count = bss->dtim_period - 1;
+ bss->dtim_count = beacon->dtim_period - 1;
else
bss->dtim_count--;
*pos++ = WLAN_EID_TIM;
*pos++ = 4;
*pos++ = bss->dtim_count;
- *pos++ = bss->dtim_period;
+ *pos++ = beacon->dtim_period;
if (bss->dtim_count == 0 && !skb_queue_empty(&bss->ps_bc_buf))
aid0 = 1;
read_unlock_bh(&local->sta_lock);
}
-struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, int if_id,
+struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
struct ieee80211_tx_control *control)
{
struct ieee80211_local *local = hw_to_local(hw);
struct ieee80211_sub_if_data *sdata = NULL;
struct ieee80211_if_ap *ap = NULL;
struct rate_selection rsel;
- u8 *b_head, *b_tail;
- int bh_len, bt_len;
+ struct beacon_data *beacon;
- bdev = dev_get_by_index(&init_net, if_id);
- if (bdev) {
- sdata = IEEE80211_DEV_TO_SUB_IF(bdev);
- ap = &sdata->u.ap;
- dev_put(bdev);
- }
+ rcu_read_lock();
+
+ sdata = vif_to_sdata(vif);
+ bdev = sdata->dev;
+ ap = &sdata->u.ap;
+
+ beacon = rcu_dereference(ap->beacon);
- if (!ap || sdata->type != IEEE80211_IF_TYPE_AP ||
- !ap->beacon_head) {
+ if (!ap || sdata->vif.type != IEEE80211_IF_TYPE_AP || !beacon) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
if (net_ratelimit())
- printk(KERN_DEBUG "no beacon data avail for idx=%d "
- "(%s)\n", if_id, bdev ? bdev->name : "N/A");
+ printk(KERN_DEBUG "no beacon data avail for %s\n",
+ bdev->name);
#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
- return NULL;
+ skb = NULL;
+ goto out;
}
- /* Assume we are generating the normal beacon locally */
- b_head = ap->beacon_head;
- b_tail = ap->beacon_tail;
- bh_len = ap->beacon_head_len;
- bt_len = ap->beacon_tail_len;
-
- skb = dev_alloc_skb(local->tx_headroom +
- bh_len + bt_len + 256 /* maximum TIM len */);
+ /* headroom, head length, tail length and maximum TIM length */
+ skb = dev_alloc_skb(local->tx_headroom + beacon->head_len +
+ beacon->tail_len + 256);
if (!skb)
- return NULL;
+ goto out;
skb_reserve(skb, local->tx_headroom);
- memcpy(skb_put(skb, bh_len), b_head, bh_len);
+ memcpy(skb_put(skb, beacon->head_len), beacon->head,
+ beacon->head_len);
ieee80211_include_sequence(sdata, (struct ieee80211_hdr *)skb->data);
- ieee80211_beacon_add_tim(local, ap, skb);
+ ieee80211_beacon_add_tim(local, ap, skb, beacon);
- if (b_tail) {
- memcpy(skb_put(skb, bt_len), b_tail, bt_len);
- }
+ if (beacon->tail)
+ memcpy(skb_put(skb, beacon->tail_len), beacon->tail,
+ beacon->tail_len);
if (control) {
rate_control_get_rate(local->mdev, local->oper_hw_mode, skb,
wiphy_name(local->hw.wiphy));
}
dev_kfree_skb(skb);
- return NULL;
+ skb = NULL;
+ goto out;
}
+ control->vif = vif;
control->tx_rate =
- ((sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE) &&
+ (sdata->bss_conf.use_short_preamble &&
(rsel.rate->flags & IEEE80211_RATE_PREAMBLE2)) ?
rsel.rate->val2 : rsel.rate->val;
control->antenna_sel_tx = local->hw.conf.antenna_sel_tx;
}
ap->num_beacons++;
+
+ out:
+ rcu_read_unlock();
return skb;
}
EXPORT_SYMBOL(ieee80211_beacon_get);
-void ieee80211_rts_get(struct ieee80211_hw *hw, int if_id,
+void ieee80211_rts_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
const void *frame, size_t frame_len,
const struct ieee80211_tx_control *frame_txctl,
struct ieee80211_rts *rts)
fctl = IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS;
rts->frame_control = cpu_to_le16(fctl);
- rts->duration = ieee80211_rts_duration(hw, if_id, frame_len, frame_txctl);
+ rts->duration = ieee80211_rts_duration(hw, vif, frame_len,
+ frame_txctl);
memcpy(rts->ra, hdr->addr1, sizeof(rts->ra));
memcpy(rts->ta, hdr->addr2, sizeof(rts->ta));
}
EXPORT_SYMBOL(ieee80211_rts_get);
-void ieee80211_ctstoself_get(struct ieee80211_hw *hw, int if_id,
+void ieee80211_ctstoself_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
const void *frame, size_t frame_len,
const struct ieee80211_tx_control *frame_txctl,
struct ieee80211_cts *cts)
fctl = IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS;
cts->frame_control = cpu_to_le16(fctl);
- cts->duration = ieee80211_ctstoself_duration(hw, if_id, frame_len, frame_txctl);
+ cts->duration = ieee80211_ctstoself_duration(hw, vif,
+ frame_len, frame_txctl);
memcpy(cts->ra, hdr->addr1, sizeof(cts->ra));
}
EXPORT_SYMBOL(ieee80211_ctstoself_get);
struct sk_buff *
-ieee80211_get_buffered_bc(struct ieee80211_hw *hw, int if_id,
+ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
struct ieee80211_tx_control *control)
{
struct ieee80211_local *local = hw_to_local(hw);
struct net_device *bdev;
struct ieee80211_sub_if_data *sdata;
struct ieee80211_if_ap *bss = NULL;
+ struct beacon_data *beacon;
- bdev = dev_get_by_index(&init_net, if_id);
- if (bdev) {
- sdata = IEEE80211_DEV_TO_SUB_IF(bdev);
- bss = &sdata->u.ap;
- dev_put(bdev);
- }
- if (!bss || sdata->type != IEEE80211_IF_TYPE_AP || !bss->beacon_head)
+ sdata = vif_to_sdata(vif);
+ bdev = sdata->dev;
+
+
+ if (!bss)
return NULL;
+ rcu_read_lock();
+ beacon = rcu_dereference(bss->beacon);
+
+ if (sdata->vif.type != IEEE80211_IF_TYPE_AP || !beacon ||
+ !beacon->head) {
+ rcu_read_unlock();
+ return NULL;
+ }
+ rcu_read_unlock();
+
if (bss->dtim_count != 0)
return NULL; /* send buffered bc/mc only after DTIM beacon */
memset(control, 0, sizeof(*control));
if (res == TXRX_DROP || res == TXRX_QUEUED)
break;
}
- dev_put(tx.dev);
skb = tx.skb; /* handlers are allowed to change skb */
if (res == TXRX_DROP) {
git.openpandora.org / pandora-kernel.git / blobdiff