#include <linux/etherdevice.h>
#include <linux/bitmap.h>
#include <linux/rcupdate.h>
+#include <net/net_namespace.h>
#include <net/ieee80211_radiotap.h>
#include <net/cfg80211.h>
#include <net/mac80211.h>
const struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
u16 fc;
int hdrlen;
+ DECLARE_MAC_BUF(mac);
printk(KERN_DEBUG "%s: %s (len=%d)", ifname, title, skb->len);
if (skb->len < 4) {
printk(" FC=0x%04x DUR=0x%04x",
fc, le16_to_cpu(hdr->duration_id));
if (hdrlen >= 10)
- printk(" A1=" MAC_FMT, MAC_ARG(hdr->addr1));
+ printk(" A1=%s", print_mac(mac, hdr->addr1));
if (hdrlen >= 16)
- printk(" A2=" MAC_FMT, MAC_ARG(hdr->addr2));
+ printk(" A2=%s", print_mac(mac, hdr->addr2));
if (hdrlen >= 24)
- printk(" A3=" MAC_FMT, MAC_ARG(hdr->addr3));
+ printk(" A3=%s", print_mac(mac, hdr->addr3));
if (hdrlen >= 30)
- printk(" A4=" MAC_FMT, MAC_ARG(hdr->addr4));
+ printk(" A4=%s", print_mac(mac, hdr->addr4));
printk("\n");
}
#else /* CONFIG_MAC80211_LOWTX_FRAME_DUMP */
int rate, mrate, erp, dur, i;
struct ieee80211_rate *txrate = tx->u.tx.rate;
struct ieee80211_local *local = tx->local;
- struct ieee80211_hw_mode *mode = tx->u.tx.mode;
+ struct ieee80211_supported_band *sband;
- erp = txrate->flags & IEEE80211_RATE_ERP;
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+
+ erp = 0;
+ if (tx->sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
+ erp = txrate->flags & IEEE80211_RATE_ERP_G;
/*
* data and mgmt (except PS Poll):
* Mandatory rates for IEEE 802.11g PHY: 1, 2, 5.5, 11, 6, 12, 24 Mbps
*/
rate = -1;
- mrate = 10; /* use 1 Mbps if everything fails */
- for (i = 0; i < mode->num_rates; i++) {
- struct ieee80211_rate *r = &mode->rates[i];
- if (r->rate > txrate->rate)
- break;
+ /* use lowest available if everything fails */
+ mrate = sband->bitrates[0].bitrate;
+ for (i = 0; i < sband->n_bitrates; i++) {
+ struct ieee80211_rate *r = &sband->bitrates[i];
- if (IEEE80211_RATE_MODULATION(txrate->flags) !=
- IEEE80211_RATE_MODULATION(r->flags))
- continue;
+ if (r->bitrate > txrate->bitrate)
+ break;
- if (r->flags & IEEE80211_RATE_BASIC)
- rate = r->rate;
- else if (r->flags & IEEE80211_RATE_MANDATORY)
- mrate = r->rate;
+ if (tx->sdata->basic_rates & BIT(i))
+ rate = r->bitrate;
+
+ switch (sband->band) {
+ case IEEE80211_BAND_2GHZ: {
+ u32 flag;
+ if (tx->sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
+ flag = IEEE80211_RATE_MANDATORY_G;
+ else
+ flag = IEEE80211_RATE_MANDATORY_B;
+ if (r->flags & flag)
+ mrate = r->bitrate;
+ break;
+ }
+ case IEEE80211_BAND_5GHZ:
+ if (r->flags & IEEE80211_RATE_MANDATORY_A)
+ mrate = r->bitrate;
+ break;
+ case IEEE80211_NUM_BANDS:
+ WARN_ON(1);
+ break;
+ }
}
if (rate == -1) {
/* No matching basic rate found; use highest suitable mandatory
* 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
dur *= 2; /* ACK + SIFS */
/* next fragment */
dur += ieee80211_frame_duration(local, next_frag_len,
- txrate->rate, erp,
- tx->sdata->flags &
- IEEE80211_SDATA_SHORT_PREAMBLE);
+ txrate->bitrate, erp,
+ tx->sdata->bss_conf.use_short_preamble);
}
return dur;
/* tx handlers */
-static ieee80211_txrx_result
+static ieee80211_tx_result
ieee80211_tx_h_check_assoc(struct ieee80211_txrx_data *tx)
{
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
u32 sta_flags;
if (unlikely(tx->flags & IEEE80211_TXRXD_TX_INJECTED))
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
- if (unlikely(tx->local->sta_scanning != 0) &&
+ if (unlikely(tx->local->sta_sw_scanning) &&
((tx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT ||
(tx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_PROBE_REQ))
- return TXRX_DROP;
+ return TX_DROP;
if (tx->flags & IEEE80211_TXRXD_TXPS_BUFFERED)
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
sta_flags = tx->sta ? tx->sta->flags : 0;
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);
printk(KERN_DEBUG "%s: dropped data frame to not "
- "associated station " MAC_FMT "\n",
- tx->dev->name, MAC_ARG(hdr->addr1));
+ "associated station %s\n",
+ tx->dev->name, print_mac(mac, hdr->addr1));
#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
I802_DEBUG_INC(tx->local->tx_handlers_drop_not_assoc);
- return TXRX_DROP;
+ return TX_DROP;
}
} 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.
*/
- return TXRX_DROP;
+ return TX_DROP;
}
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
}
- if (unlikely(/* !injected && */ tx->sdata->ieee802_1x &&
- !(sta_flags & WLAN_STA_AUTHORIZED))) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: dropped frame to " MAC_FMT
- " (unauthorized port)\n", tx->dev->name,
- MAC_ARG(hdr->addr1));
-#endif
- I802_DEBUG_INC(tx->local->tx_handlers_drop_unauth_port);
- return TXRX_DROP;
- }
-
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
}
-static ieee80211_txrx_result
+static ieee80211_tx_result
ieee80211_tx_h_sequence(struct ieee80211_txrx_data *tx)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
if (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_control)) >= 24)
ieee80211_include_sequence(tx->sdata, hdr);
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
}
/* This function is called whenever the AP is about to exceed the maximum limit
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);
wiphy_name(local->hw.wiphy), purged);
}
-static inline ieee80211_txrx_result
+static ieee80211_tx_result
ieee80211_tx_h_multicast_ps_buf(struct ieee80211_txrx_data *tx)
{
- /* broadcast/multicast frame */
- /* If any of the associated stations is in power save mode,
- * the frame is buffered to be sent after DTIM beacon frame */
- if ((tx->local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING) &&
- tx->sdata->type != IEEE80211_IF_TYPE_WDS &&
- tx->sdata->bss && atomic_read(&tx->sdata->bss->num_sta_ps) &&
- !(tx->fc & IEEE80211_FCTL_ORDER)) {
+ /*
+ * broadcast/multicast frame
+ *
+ * If any of the associated stations is in power save mode,
+ * the frame is buffered to be sent after DTIM beacon frame.
+ * This is done either by the hardware or us.
+ */
+
+ /* not AP/IBSS or ordered frame */
+ if (!tx->sdata->bss || (tx->fc & IEEE80211_FCTL_ORDER))
+ return TX_CONTINUE;
+
+ /* no stations in PS mode */
+ if (!atomic_read(&tx->sdata->bss->num_sta_ps))
+ return TX_CONTINUE;
+
+ /* buffered in mac80211 */
+ if (tx->local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING) {
if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER)
purge_old_ps_buffers(tx->local);
if (skb_queue_len(&tx->sdata->bss->ps_bc_buf) >=
} else
tx->local->total_ps_buffered++;
skb_queue_tail(&tx->sdata->bss->ps_bc_buf, tx->skb);
- return TXRX_QUEUED;
+ return TX_QUEUED;
}
- return TXRX_CONTINUE;
+ /* buffered in hardware */
+ tx->u.tx.control->flags |= IEEE80211_TXCTL_SEND_AFTER_DTIM;
+
+ return TX_CONTINUE;
}
-static inline ieee80211_txrx_result
+static ieee80211_tx_result
ieee80211_tx_h_unicast_ps_buf(struct ieee80211_txrx_data *tx)
{
struct sta_info *sta = tx->sta;
+ DECLARE_MAC_BUF(mac);
if (unlikely(!sta ||
((tx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT &&
(tx->fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PROBE_RESP)))
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
if (unlikely((sta->flags & WLAN_STA_PS) && !sta->pspoll)) {
struct ieee80211_tx_packet_data *pkt_data;
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- printk(KERN_DEBUG "STA " MAC_FMT " aid %d: PS buffer (entries "
+ printk(KERN_DEBUG "STA %s aid %d: PS buffer (entries "
"before %d)\n",
- MAC_ARG(sta->addr), sta->aid,
+ print_mac(mac, sta->addr), sta->aid,
skb_queue_len(&sta->ps_tx_buf));
#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
sta->flags |= WLAN_STA_TIM;
if (skb_queue_len(&sta->ps_tx_buf) >= STA_MAX_TX_BUFFER) {
struct sk_buff *old = skb_dequeue(&sta->ps_tx_buf);
if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: STA " MAC_FMT " TX "
+ printk(KERN_DEBUG "%s: STA %s TX "
"buffer full - dropping oldest frame\n",
- tx->dev->name, MAC_ARG(sta->addr));
+ tx->dev->name, print_mac(mac, sta->addr));
}
dev_kfree_skb(old);
} else
pkt_data = (struct ieee80211_tx_packet_data *)tx->skb->cb;
pkt_data->jiffies = jiffies;
skb_queue_tail(&sta->ps_tx_buf, tx->skb);
- return TXRX_QUEUED;
+ return TX_QUEUED;
}
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
else if (unlikely(sta->flags & WLAN_STA_PS)) {
- printk(KERN_DEBUG "%s: STA " MAC_FMT " in PS mode, but pspoll "
+ printk(KERN_DEBUG "%s: STA %s in PS mode, but pspoll "
"set -> send frame\n", tx->dev->name,
- MAC_ARG(sta->addr));
+ print_mac(mac, sta->addr));
}
#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
sta->pspoll = 0;
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
}
-
-static ieee80211_txrx_result
+static ieee80211_tx_result
ieee80211_tx_h_ps_buf(struct ieee80211_txrx_data *tx)
{
if (unlikely(tx->flags & IEEE80211_TXRXD_TXPS_BUFFERED))
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
if (tx->flags & IEEE80211_TXRXD_TXUNICAST)
return ieee80211_tx_h_unicast_ps_buf(tx);
return ieee80211_tx_h_multicast_ps_buf(tx);
}
-
-
-
-static ieee80211_txrx_result
+static ieee80211_tx_result
ieee80211_tx_h_select_key(struct ieee80211_txrx_data *tx)
{
struct ieee80211_key *key;
+ u16 fc = tx->fc;
if (unlikely(tx->u.tx.control->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT))
tx->key = NULL;
else if ((key = rcu_dereference(tx->sdata->default_key)))
tx->key = key;
else if (tx->sdata->drop_unencrypted &&
- !(tx->sdata->eapol && ieee80211_is_eapol(tx->skb))) {
+ !(tx->u.tx.control->flags & IEEE80211_TXCTL_EAPOL_FRAME) &&
+ !(tx->flags & IEEE80211_TXRXD_TX_INJECTED)) {
I802_DEBUG_INC(tx->local->tx_handlers_drop_unencrypted);
- return TXRX_DROP;
- } else {
+ return TX_DROP;
+ } else
tx->key = NULL;
- tx->u.tx.control->flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT;
- }
if (tx->key) {
+ u16 ftype, stype;
+
tx->key->tx_rx_count++;
/* TODO: add threshold stuff again */
+
+ switch (tx->key->conf.alg) {
+ case ALG_WEP:
+ ftype = fc & IEEE80211_FCTL_FTYPE;
+ stype = fc & IEEE80211_FCTL_STYPE;
+
+ if (ftype == IEEE80211_FTYPE_MGMT &&
+ stype == IEEE80211_STYPE_AUTH)
+ break;
+ case ALG_TKIP:
+ case ALG_CCMP:
+ if (!WLAN_FC_DATA_PRESENT(fc))
+ tx->key = NULL;
+ break;
+ }
}
- return TXRX_CONTINUE;
+ if (!tx->key || !(tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
+ tx->u.tx.control->flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT;
+
+ return TX_CONTINUE;
}
-static ieee80211_txrx_result
+static ieee80211_tx_result
ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data;
int frag_threshold = tx->local->fragmentation_threshold;
if (!(tx->flags & IEEE80211_TXRXD_FRAGMENTED))
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
first = tx->skb;
hdrlen = ieee80211_get_hdrlen(tx->fc);
payload_len = first->len - hdrlen;
per_fragm = frag_threshold - hdrlen - FCS_LEN;
- num_fragm = (payload_len + per_fragm - 1) / per_fragm;
+ num_fragm = DIV_ROUND_UP(payload_len, per_fragm);
frags = kzalloc(num_fragm * sizeof(struct sk_buff *), GFP_ATOMIC);
if (!frags)
tx->u.tx.num_extra_frag = num_fragm - 1;
tx->u.tx.extra_frag = frags;
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
fail:
printk(KERN_DEBUG "%s: failed to fragment frame\n", tx->dev->name);
kfree(frags);
}
I802_DEBUG_INC(tx->local->tx_handlers_drop_fragment);
- return TXRX_DROP;
+ return TX_DROP;
}
-static ieee80211_txrx_result
+static ieee80211_tx_result
ieee80211_tx_h_encrypt(struct ieee80211_txrx_data *tx)
{
if (!tx->key)
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
switch (tx->key->conf.alg) {
case ALG_WEP:
/* not reached */
WARN_ON(1);
- return TXRX_DROP;
+ return TX_DROP;
}
-static ieee80211_txrx_result
+static ieee80211_tx_result
ieee80211_tx_h_rate_ctrl(struct ieee80211_txrx_data *tx)
{
- struct rate_control_extra extra;
+ struct rate_selection rsel;
+ struct ieee80211_supported_band *sband;
- if (likely(!tx->u.tx.rate)) {
- memset(&extra, 0, sizeof(extra));
- extra.mode = tx->u.tx.mode;
- extra.ethertype = tx->ethertype;
+ sband = tx->local->hw.wiphy->bands[tx->local->hw.conf.channel->band];
- tx->u.tx.rate = rate_control_get_rate(tx->local, tx->dev,
- tx->skb, &extra);
- if (unlikely(extra.probe != NULL)) {
+ if (likely(!tx->u.tx.rate)) {
+ rate_control_get_rate(tx->dev, sband, tx->skb, &rsel);
+ tx->u.tx.rate = rsel.rate;
+ if (unlikely(rsel.probe)) {
tx->u.tx.control->flags |=
IEEE80211_TXCTL_RATE_CTRL_PROBE;
tx->flags |= IEEE80211_TXRXD_TXPROBE_LAST_FRAG;
- tx->u.tx.control->alt_retry_rate = tx->u.tx.rate->val;
- tx->u.tx.rate = extra.probe;
+ tx->u.tx.control->alt_retry_rate = tx->u.tx.rate;
+ tx->u.tx.rate = rsel.probe;
} else
- tx->u.tx.control->alt_retry_rate = -1;
+ tx->u.tx.control->alt_retry_rate = NULL;
if (!tx->u.tx.rate)
- return TXRX_DROP;
+ return TX_DROP;
} else
- tx->u.tx.control->alt_retry_rate = -1;
+ tx->u.tx.control->alt_retry_rate = NULL;
- if (tx->u.tx.mode->mode == MODE_IEEE80211G &&
- (tx->sdata->flags & IEEE80211_SDATA_USE_PROTECTION) &&
- (tx->flags & IEEE80211_TXRXD_FRAGMENTED) && extra.nonerp) {
+ if (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 (extra.probe)
+ if (rsel.probe)
tx->flags &= ~IEEE80211_TXRXD_TXPROBE_LAST_FRAG;
else
tx->flags |= IEEE80211_TXRXD_TXPROBE_LAST_FRAG;
- tx->u.tx.rate = extra.nonerp;
- tx->u.tx.control->rate = extra.nonerp;
+ tx->u.tx.rate = rsel.nonerp;
+ tx->u.tx.control->tx_rate = rsel.nonerp;
tx->u.tx.control->flags &= ~IEEE80211_TXCTL_RATE_CTRL_PROBE;
} else {
tx->u.tx.last_frag_rate = tx->u.tx.rate;
- tx->u.tx.control->rate = tx->u.tx.rate;
+ tx->u.tx.control->tx_rate = tx->u.tx.rate;
}
- tx->u.tx.control->tx_rate = tx->u.tx.rate->val;
+ tx->u.tx.control->tx_rate = tx->u.tx.rate;
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
}
-static ieee80211_txrx_result
+static ieee80211_tx_result
ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data;
u16 fc = le16_to_cpu(hdr->frame_control);
u16 dur;
struct ieee80211_tx_control *control = tx->u.tx.control;
- struct ieee80211_hw_mode *mode = tx->u.tx.mode;
if (!control->retry_limit) {
if (!is_multicast_ether_addr(hdr->addr1)) {
* frames.
* TODO: The last fragment could still use multiple retry
* rates. */
- control->alt_retry_rate = -1;
+ control->alt_retry_rate = NULL;
}
/* Use CTS protection for unicast frames sent using extended rates if
* there are associated non-ERP stations and RTS/CTS is not configured
* for the frame. */
- if (mode->mode == MODE_IEEE80211G &&
- (tx->u.tx.rate->flags & IEEE80211_RATE_ERP) &&
+ if ((tx->sdata->flags & IEEE80211_SDATA_OPERATING_GMODE) &&
+ (tx->u.tx.rate->flags & IEEE80211_RATE_ERP_G) &&
(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;
* short preambles at the selected rate and short preambles are
* 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->u.tx.rate->flags & IEEE80211_RATE_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;
+ tx->u.tx.control->flags |= IEEE80211_TXCTL_SHORT_PREAMBLE;
}
/* Setup duration field for the first fragment of the frame. Duration
if ((control->flags & IEEE80211_TXCTL_USE_RTS_CTS) ||
(control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT)) {
- struct ieee80211_rate *rate;
+ struct ieee80211_supported_band *sband;
+ struct ieee80211_rate *rate, *baserate;
+ int idx;
+
+ sband = tx->local->hw.wiphy->bands[
+ tx->local->hw.conf.channel->band];
/* Do not use multiple retry rates when using RTS/CTS */
- control->alt_retry_rate = -1;
+ control->alt_retry_rate = NULL;
/* Use min(data rate, max base rate) as CTS/RTS rate */
rate = tx->u.tx.rate;
- while (rate > mode->rates &&
- !(rate->flags & IEEE80211_RATE_BASIC))
- rate--;
+ baserate = NULL;
- control->rts_cts_rate = rate->val;
- control->rts_rate = rate;
+ for (idx = 0; idx < sband->n_bitrates; idx++) {
+ if (sband->bitrates[idx].bitrate > rate->bitrate)
+ continue;
+ if (tx->sdata->basic_rates & BIT(idx) &&
+ (!baserate ||
+ (baserate->bitrate < sband->bitrates[idx].bitrate)))
+ baserate = &sband->bitrates[idx];
+ }
+
+ if (baserate)
+ control->rts_cts_rate = baserate;
+ else
+ control->rts_cts_rate = &sband->bitrates[0];
}
if (tx->sta) {
}
}
- /*
- * Tell hardware to not encrypt when we had sw crypto.
- * Because we use the same flag to internally indicate that
- * no (software) encryption should be done, we have to set it
- * after all crypto handlers.
- */
- if (tx->key && !(tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
- tx->u.tx.control->flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT;
-
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
}
-static ieee80211_txrx_result
+static ieee80211_tx_result
ieee80211_tx_h_load_stats(struct ieee80211_txrx_data *tx)
{
struct ieee80211_local *local = tx->local;
- struct ieee80211_hw_mode *mode = tx->u.tx.mode;
struct sk_buff *skb = tx->skb;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
u32 load = 0, hdrtime;
+ struct ieee80211_rate *rate = tx->u.tx.rate;
/* TODO: this could be part of tx_status handling, so that the number
* of retries would be known; TX rate should in that case be stored
/* 1 bit at 1 Mbit/s takes 1 usec; in channel_use values,
* 1 usec = 1/8 * (1080 / 10) = 13.5 */
- if (mode->mode == MODE_IEEE80211A ||
- (mode->mode == MODE_IEEE80211G &&
- tx->u.tx.rate->flags & IEEE80211_RATE_ERP))
+ if (tx->u.tx.channel->band == IEEE80211_BAND_5GHZ ||
+ (tx->u.tx.channel->band == IEEE80211_BAND_2GHZ &&
+ rate->flags & IEEE80211_RATE_ERP_G))
hdrtime = CHAN_UTIL_HDR_SHORT;
else
hdrtime = CHAN_UTIL_HDR_LONG;
else if (tx->u.tx.control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT)
load += hdrtime;
- load += skb->len * tx->u.tx.rate->rate_inv;
+ /* TODO: optimise again */
+ load += skb->len * CHAN_UTIL_RATE_LCM / rate->bitrate;
if (tx->u.tx.extra_frag) {
int i;
for (i = 0; i < tx->u.tx.num_extra_frag; i++) {
load += 2 * hdrtime;
load += tx->u.tx.extra_frag[i]->len *
- tx->u.tx.rate->rate;
+ tx->u.tx.rate->bitrate;
}
}
tx->sta->channel_use_raw += load;
tx->sdata->channel_use_raw += load;
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
}
-/* TODO: implement register/unregister functions for adding TX/RX handlers
- * into ordered list */
-ieee80211_tx_handler ieee80211_tx_handlers[] =
+typedef ieee80211_tx_result (*ieee80211_tx_handler)(struct ieee80211_txrx_data *);
+static ieee80211_tx_handler ieee80211_tx_handlers[] =
{
ieee80211_tx_h_check_assoc,
ieee80211_tx_h_sequence,
* deal with packet injection down monitor interface
* with Radiotap Header -- only called for monitor mode interface
*/
-static ieee80211_txrx_result
+static ieee80211_tx_result
__ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx,
struct sk_buff *skb)
{
struct ieee80211_radiotap_iterator iterator;
struct ieee80211_radiotap_header *rthdr =
(struct ieee80211_radiotap_header *) skb->data;
- struct ieee80211_hw_mode *mode = tx->local->hw.conf.mode;
+ struct ieee80211_supported_band *sband;
int ret = ieee80211_radiotap_iterator_init(&iterator, rthdr, skb->len);
struct ieee80211_tx_control *control = tx->u.tx.control;
+ sband = tx->local->hw.wiphy->bands[tx->local->hw.conf.channel->band];
+
control->flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT;
tx->flags |= IEEE80211_TXRXD_TX_INJECTED;
tx->flags &= ~IEEE80211_TXRXD_FRAGMENTED;
* ieee80211 rate int is in 100kbps units eg, 0x0a=1Mbps
*/
target_rate = (*iterator.this_arg) * 5;
- for (i = 0; i < mode->num_rates; i++) {
- struct ieee80211_rate *r = &mode->rates[i];
+ for (i = 0; i < sband->n_bitrates; i++) {
+ struct ieee80211_rate *r;
- if (r->rate == target_rate) {
+ r = &sband->bitrates[i];
+
+ if (r->bitrate == target_rate) {
tx->u.tx.rate = r;
break;
}
control->antenna_sel_tx = (*iterator.this_arg) + 1;
break;
+#if 0
case IEEE80211_RADIOTAP_DBM_TX_POWER:
control->power_level = *iterator.this_arg;
break;
+#endif
case IEEE80211_RADIOTAP_FLAGS:
if (*iterator.this_arg & IEEE80211_RADIOTAP_F_FCS) {
* on transmission
*/
if (skb->len < (iterator.max_length + FCS_LEN))
- return TXRX_DROP;
+ return TX_DROP;
skb_trim(skb, skb->len - FCS_LEN);
}
}
if (ret != -ENOENT) /* ie, if we didn't simply run out of fields */
- return TXRX_DROP;
+ return TX_DROP;
/*
* remove the radiotap header
*/
skb_pull(skb, iterator.max_length);
- return TXRX_CONTINUE;
+ return TX_CONTINUE;
}
/*
* initialises @tx
*/
-static ieee80211_txrx_result
+static ieee80211_tx_result
__ieee80211_tx_prepare(struct ieee80211_txrx_data *tx,
struct sk_buff *skb,
struct net_device *dev,
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_hdr *hdr;
struct ieee80211_sub_if_data *sdata;
- ieee80211_txrx_result res = TXRX_CONTINUE;
int hdrlen;
/* process and remove the injection radiotap header */
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (unlikely(sdata->type == IEEE80211_IF_TYPE_MNTR)) {
- if (__ieee80211_parse_tx_radiotap(tx, skb) == TXRX_DROP)
- return TXRX_DROP;
+ if (unlikely(sdata->vif.type == IEEE80211_IF_TYPE_MNTR)) {
+ if (__ieee80211_parse_tx_radiotap(tx, skb) == TX_DROP)
+ return TX_DROP;
/*
* __ieee80211_parse_tx_radiotap has now removed
}
control->flags |= IEEE80211_TXCTL_FIRST_FRAGMENT;
- return res;
+ return TX_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,
struct net_device *dev;
pkt_data = (struct ieee80211_tx_packet_data *)skb->cb;
- dev = dev_get_by_index(pkt_data->ifindex);
+ dev = dev_get_by_index(&init_net, pkt_data->ifindex);
if (unlikely(dev && !is_ieee80211_device(dev, mdev))) {
dev_put(dev);
dev = NULL;
return -ENODEV;
/* initialises tx with control */
__ieee80211_tx_prepare(tx, skb, dev, control);
+ dev_put(dev);
return 0;
}
if (__ieee80211_queue_stopped(local, control->queue))
return IEEE80211_TX_FRAG_AGAIN;
if (i == tx->u.tx.num_extra_frag) {
- control->tx_rate = tx->u.tx.last_frag_hwrate;
- control->rate = tx->u.tx.last_frag_rate;
+ control->tx_rate = tx->u.tx.last_frag_rate;
+
if (tx->flags & IEEE80211_TXRXD_TXPROBE_LAST_FRAG)
control->flags |=
IEEE80211_TXCTL_RATE_CTRL_PROBE;
struct sta_info *sta;
ieee80211_tx_handler *handler;
struct ieee80211_txrx_data tx;
- ieee80211_txrx_result res = TXRX_DROP, res_prepare;
+ ieee80211_tx_result res = TX_DROP, res_prepare;
int ret, i;
WARN_ON(__ieee80211_queue_pending(local, control->queue));
/* initialises tx */
res_prepare = __ieee80211_tx_prepare(&tx, skb, dev, control);
- if (res_prepare == TXRX_DROP) {
+ if (res_prepare == TX_DROP) {
dev_kfree_skb(skb);
return 0;
}
rcu_read_lock();
sta = tx.sta;
- tx.u.tx.mode = local->hw.conf.mode;
+ tx.u.tx.channel = local->hw.conf.channel;
- for (handler = local->tx_handlers; *handler != NULL;
+ for (handler = ieee80211_tx_handlers; *handler != NULL;
handler++) {
res = (*handler)(&tx);
- if (res != TXRX_CONTINUE)
+ if (res != TX_CONTINUE)
break;
}
if (sta)
sta_info_put(sta);
- if (unlikely(res == TXRX_DROP)) {
+ if (unlikely(res == TX_DROP)) {
I802_DEBUG_INC(local->tx_handlers_drop);
goto drop;
}
- if (unlikely(res == TXRX_QUEUED)) {
+ if (unlikely(res == TX_QUEUED)) {
I802_DEBUG_INC(local->tx_handlers_queued);
rcu_read_unlock();
return 0;
} else {
next_len = 0;
tx.u.tx.rate = tx.u.tx.last_frag_rate;
- tx.u.tx.last_frag_hwrate = tx.u.tx.rate->val;
}
dur = ieee80211_duration(&tx, 0, next_len);
hdr->duration_id = cpu_to_le16(dur);
store->skb = skb;
store->extra_frag = tx.u.tx.extra_frag;
store->num_extra_frag = tx.u.tx.num_extra_frag;
- store->last_frag_hwrate = tx.u.tx.last_frag_hwrate;
store->last_frag_rate = tx.u.tx.last_frag_rate;
store->last_frag_rate_ctrl_probe =
!!(tx.flags & IEEE80211_TXRXD_TXPROBE_LAST_FRAG);
memset(&control, 0, sizeof(struct ieee80211_tx_control));
if (pkt_data->ifindex)
- odev = dev_get_by_index(pkt_data->ifindex);
+ odev = dev_get_by_index(&init_net, pkt_data->ifindex);
if (unlikely(odev && !is_ieee80211_device(odev, dev))) {
dev_put(odev);
odev = NULL;
}
}
- 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)
control.flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT;
if (pkt_data->flags & IEEE80211_TXPD_REQUEUE)
control.flags |= IEEE80211_TXCTL_REQUEUE;
+ if (pkt_data->flags & IEEE80211_TXPD_EAPOL_FRAME)
+ control.flags |= IEEE80211_TXCTL_EAPOL_FRAME;
+ if (pkt_data->flags & IEEE80211_TXPD_AMPDU)
+ control.flags |= IEEE80211_TXCTL_AMPDU;
control.queue = pkt_data->queue;
ret = ieee80211_tx(odev, skb, &control);
int encaps_len, skip_header_bytes;
int nh_pos, h_pos;
struct sta_info *sta;
+ u32 sta_flags = 0;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (unlikely(skb->len < ETH_HLEN)) {
/* convert Ethernet header to proper 802.11 header (based on
* operation mode) */
ethertype = (skb->data[12] << 8) | skb->data[13];
- /* TODO: handling for 802.1x authorized/unauthorized port */
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;
goto fail;
}
- /* receiver is QoS enabled, use a QoS type frame */
- sta = sta_info_get(local, hdr.addr1);
- if (sta) {
- if (sta->flags & WLAN_STA_WME) {
- fc |= IEEE80211_STYPE_QOS_DATA;
- hdrlen += 2;
+ /*
+ * There's no need to try to look up the destination
+ * if it is a multicast address (which can only happen
+ * in AP mode)
+ */
+ if (!is_multicast_ether_addr(hdr.addr1)) {
+ sta = sta_info_get(local, hdr.addr1);
+ if (sta) {
+ sta_flags = sta->flags;
+ sta_info_put(sta);
}
- sta_info_put(sta);
+ }
+
+ /* receiver is QoS enabled, use a QoS type frame */
+ if (sta_flags & WLAN_STA_WME) {
+ fc |= IEEE80211_STYPE_QOS_DATA;
+ hdrlen += 2;
+ }
+
+ /*
+ * Drop unicast frames to unauthorised stations unless they are
+ * EAPOL frames from the local station.
+ */
+ if (unlikely(!is_multicast_ether_addr(hdr.addr1) &&
+ !(sta_flags & WLAN_STA_AUTHORIZED) &&
+ !(ethertype == ETH_P_PAE &&
+ compare_ether_addr(dev->dev_addr,
+ skb->data + ETH_ALEN) == 0))) {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ DECLARE_MAC_BUF(mac);
+
+ if (net_ratelimit())
+ printk(KERN_DEBUG "%s: dropped frame to %s"
+ " (unauthorized port)\n", dev->name,
+ print_mac(mac, hdr.addr1));
+#endif
+
+ I802_DEBUG_INC(local->tx_handlers_drop_unauth_port);
+
+ ret = 0;
+ goto fail;
}
hdr.frame_control = cpu_to_le16(fc);
pkt_data = (struct ieee80211_tx_packet_data *)skb->cb;
memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data));
pkt_data->ifindex = dev->ifindex;
+ if (ethertype == ETH_P_PAE)
+ pkt_data->flags |= IEEE80211_TXPD_EAPOL_FRAME;
skb->dev = local->mdev;
dev->stats.tx_packets++;
return ret;
}
-/*
- * This is the transmit routine for the 802.11 type interfaces
- * called by upper layers of the linux networking
- * stack when it has a frame to transmit
- */
-int ieee80211_mgmt_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_tx_packet_data *pkt_data;
- struct ieee80211_hdr *hdr;
- u16 fc;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (skb->len < 10) {
- dev_kfree_skb(skb);
- return 0;
- }
-
- if (skb_headroom(skb) < sdata->local->tx_headroom) {
- if (pskb_expand_head(skb, sdata->local->tx_headroom,
- 0, GFP_ATOMIC)) {
- dev_kfree_skb(skb);
- return 0;
- }
- }
-
- hdr = (struct ieee80211_hdr *) skb->data;
- fc = le16_to_cpu(hdr->frame_control);
-
- pkt_data = (struct ieee80211_tx_packet_data *) skb->cb;
- memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data));
- pkt_data->ifindex = sdata->dev->ifindex;
-
- skb->priority = 20; /* use hardcoded priority for mgmt TX queue */
- skb->dev = sdata->local->mdev;
-
- /*
- * We're using the protocol field of the the frame control header
- * to request TX callback for hostapd. BIT(1) is checked.
- */
- if ((fc & BIT(1)) == BIT(1)) {
- pkt_data->flags |= IEEE80211_TXPD_REQ_TX_STATUS;
- fc &= ~BIT(1);
- hdr->frame_control = cpu_to_le16(fc);
- }
-
- if (!(fc & IEEE80211_FCTL_PROTECTED))
- pkt_data->flags |= IEEE80211_TXPD_DO_NOT_ENCRYPT;
-
- dev->stats.tx_packets++;
- dev->stats.tx_bytes += skb->len;
-
- dev_queue_xmit(skb);
-
- return 0;
-}
-
/* helper functions for pending packets for when queues are stopped */
void ieee80211_clear_tx_pending(struct ieee80211_local *local)
tx.u.tx.control = &store->control;
tx.u.tx.extra_frag = store->extra_frag;
tx.u.tx.num_extra_frag = store->num_extra_frag;
- tx.u.tx.last_frag_hwrate = store->last_frag_hwrate;
tx.u.tx.last_frag_rate = store->last_frag_rate;
tx.flags = 0;
if (store->last_frag_rate_ctrl_probe)
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 net_device *bdev;
struct ieee80211_sub_if_data *sdata = NULL;
struct ieee80211_if_ap *ap = NULL;
- struct ieee80211_rate *rate;
- struct rate_control_extra extra;
- u8 *b_head, *b_tail;
- int bh_len, bt_len;
-
- bdev = dev_get_by_index(if_id);
- if (bdev) {
- sdata = IEEE80211_DEV_TO_SUB_IF(bdev);
- ap = &sdata->u.ap;
- dev_put(bdev);
- }
+ struct rate_selection rsel;
+ struct beacon_data *beacon;
+ struct ieee80211_supported_band *sband;
- if (!ap || sdata->type != IEEE80211_IF_TYPE_AP ||
- !ap->beacon_head) {
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+
+ rcu_read_lock();
+
+ sdata = vif_to_sdata(vif);
+ bdev = sdata->dev;
+ ap = &sdata->u.ap;
+
+ beacon = rcu_dereference(ap->beacon);
+
+ 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) {
- memset(&extra, 0, sizeof(extra));
- extra.mode = local->oper_hw_mode;
-
- rate = rate_control_get_rate(local, local->mdev, skb, &extra);
- if (!rate) {
+ rate_control_get_rate(local->mdev, sband, skb, &rsel);
+ if (!rsel.rate) {
if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: ieee80211_beacon_get: no rate "
- "found\n", wiphy_name(local->hw.wiphy));
+ printk(KERN_DEBUG "%s: ieee80211_beacon_get: "
+ "no rate found\n",
+ wiphy_name(local->hw.wiphy));
}
dev_kfree_skb(skb);
- return NULL;
+ skb = NULL;
+ goto out;
}
- control->tx_rate =
- ((sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE) &&
- (rate->flags & IEEE80211_RATE_PREAMBLE2)) ?
- rate->val2 : rate->val;
+ control->vif = vif;
+ control->tx_rate = rsel.rate;
+ if (sdata->bss_conf.use_short_preamble &&
+ rsel.rate->flags & IEEE80211_RATE_SHORT_PREAMBLE)
+ control->flags |= IEEE80211_TXCTL_SHORT_PREAMBLE;
control->antenna_sel_tx = local->hw.conf.antenna_sel_tx;
- control->power_level = local->hw.conf.power_level;
control->flags |= IEEE80211_TXCTL_NO_ACK;
control->retry_limit = 1;
control->flags |= IEEE80211_TXCTL_CLEAR_DST_MASK;
}
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 sta_info *sta;
ieee80211_tx_handler *handler;
struct ieee80211_txrx_data tx;
- ieee80211_txrx_result res = TXRX_DROP;
+ ieee80211_tx_result res = TX_DROP;
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(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 */
}
sta = tx.sta;
tx.flags |= IEEE80211_TXRXD_TXPS_BUFFERED;
- tx.u.tx.mode = local->hw.conf.mode;
+ tx.u.tx.channel = local->hw.conf.channel;
- for (handler = local->tx_handlers; *handler != NULL; handler++) {
+ for (handler = ieee80211_tx_handlers; *handler != NULL; handler++) {
res = (*handler)(&tx);
- if (res == TXRX_DROP || res == TXRX_QUEUED)
+ if (res == TX_DROP || res == TX_QUEUED)
break;
}
- dev_put(tx.dev);
skb = tx.skb; /* handlers are allowed to change skb */
- if (res == TXRX_DROP) {
+ if (res == TX_DROP) {
I802_DEBUG_INC(local->tx_handlers_drop);
dev_kfree_skb(skb);
skb = NULL;
- } else if (res == TXRX_QUEUED) {
+ } else if (res == TX_QUEUED) {
I802_DEBUG_INC(local->tx_handlers_queued);
skb = NULL;
}
projects / openwrt / staging / lynxis / omap.git / blobdiff