#include <linux/skbuff.h>
#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>
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 */
tx->sdata->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;
if (unlikely(!tx->u.tx.mgmt_interface && tx->sdata->ieee802_1x &&
!(sta_flags & WLAN_STA_AUTHORIZED))) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: dropped frame to " MAC_FMT
+ DECLARE_MAC_BUF(mac);
+ printk(KERN_DEBUG "%s: dropped frame to %s"
" (unauthorized port)\n", tx->dev->name,
- MAC_ARG(hdr->addr1));
+ print_mac(mac, hdr->addr1));
#endif
I802_DEBUG_INC(tx->local->tx_handlers_drop_unauth_port);
return TXRX_DROP;
struct ieee80211_sub_if_data *sdata;
struct sta_info *sta;
- read_lock(&local->sub_if_lock);
- list_for_each_entry(sdata, &local->sub_if_list, list) {
+ /*
+ * virtual interfaces are protected by RCU
+ */
+ rcu_read_lock();
+
+ 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)
}
total += skb_queue_len(&ap->ps_bc_buf);
}
- read_unlock(&local->sub_if_lock);
+ rcu_read_unlock();
read_lock_bh(&local->sta_lock);
list_for_each_entry(sta, &local->sta_list, list) {
local->total_ps_buffered = total;
printk(KERN_DEBUG "%s: PS buffers full - purged %d frames\n",
- local->mdev->name, purged);
+ wiphy_name(local->hw.wiphy), purged);
}
static inline ieee80211_txrx_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 &&
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
}
#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;
static ieee80211_txrx_result
ieee80211_tx_h_select_key(struct ieee80211_txrx_data *tx)
{
- tx->u.tx.control->key_idx = HW_KEY_IDX_INVALID;
+ struct ieee80211_key *key;
if (unlikely(tx->u.tx.control->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT))
tx->key = NULL;
- else if (tx->sta && tx->sta->key)
- tx->key = tx->sta->key;
- else if (tx->sdata->default_key)
- tx->key = tx->sdata->default_key;
+ else if (tx->sta && (key = rcu_dereference(tx->sta->key)))
+ tx->key = key;
+ 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))) {
I802_DEBUG_INC(tx->local->tx_handlers_drop_unencrypted);
return TXRX_DROP;
- } else
+ } else {
tx->key = NULL;
+ tx->u.tx.control->flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT;
+ }
if (tx->key) {
tx->key->tx_rx_count++;
- if (unlikely(tx->local->key_tx_rx_threshold &&
- tx->key->tx_rx_count >
- tx->local->key_tx_rx_threshold)) {
- ieee80211_key_threshold_notify(tx->dev, tx->key,
- tx->sta);
- }
+ /* TODO: add threshold stuff again */
}
return TXRX_CONTINUE;
return -1;
} else {
tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx;
- if (tx->local->hw.flags & IEEE80211_HW_WEP_INCLUDE_IV) {
- if (ieee80211_wep_add_iv(tx->local, skb, tx->key) ==
- NULL)
+ if (tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV) {
+ if (!ieee80211_wep_add_iv(tx->local, skb, tx->key))
return -1;
}
}
}
}
+ /*
+ * 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;
}
* 1 usec = 1/8 * (1080 / 10) = 13.5 */
if (mode->mode == MODE_IEEE80211A ||
- mode->mode == MODE_ATHEROS_TURBO ||
- mode->mode == MODE_ATHEROS_TURBOG ||
(mode->mode == MODE_IEEE80211G &&
tx->u.tx.rate->flags & IEEE80211_RATE_ERP))
hdrtime = CHAN_UTIL_HDR_SHORT;
*/
control->retry_limit = 1; /* no retry */
- control->key_idx = HW_KEY_IDX_INVALID;
control->flags &= ~(IEEE80211_TXCTL_USE_RTS_CTS |
IEEE80211_TXCTL_USE_CTS_PROTECT);
control->flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT |
tx->dev = dev; /* use original interface */
tx->local = local;
tx->sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- tx->sta = sta_info_get(local, hdr->addr1);
- tx->fc = le16_to_cpu(hdr->frame_control);
/*
* set defaults for things that can be set by
res = TXRX_QUEUED; /* indication it was monitor packet */
}
+ tx->sta = sta_info_get(local, hdr->addr1);
+ tx->fc = le16_to_cpu(hdr->frame_control);
tx->u.tx.control = control;
if (is_multicast_ether_addr(hdr->addr1)) {
tx->flags &= ~IEEE80211_TXRXD_TXUNICAST;
return IEEE80211_TX_AGAIN;
}
if (skb) {
- ieee80211_dump_frame(local->mdev->name, "TX to low-level driver", skb);
+ ieee80211_dump_frame(wiphy_name(local->hw.wiphy),
+ "TX to low-level driver", skb);
ret = local->ops->tx(local_to_hw(local), skb, control);
if (ret)
return IEEE80211_TX_AGAIN;
~IEEE80211_TXCTL_RATE_CTRL_PROBE;
}
- ieee80211_dump_frame(local->mdev->name,
+ ieee80211_dump_frame(wiphy_name(local->hw.wiphy),
"TX to low-level driver",
tx->u.tx.extra_frag[i]);
ret = local->ops->tx(local_to_hw(local),
return 0;
}
+ /*
+ * key references are protected using RCU and this requires that
+ * we are in a read-site RCU section during receive processing
+ */
+ rcu_read_lock();
+
sta = tx.sta;
tx.u.tx.mgmt_interface = mgmt;
tx.u.tx.mode = local->hw.conf.mode;
if (unlikely(res == TXRX_QUEUED)) {
I802_DEBUG_INC(local->tx_handlers_queued);
+ rcu_read_unlock();
return 0;
}
store->last_frag_rate_ctrl_probe =
!!(tx.flags & IEEE80211_TXRXD_TXPROBE_LAST_FRAG);
}
+ rcu_read_unlock();
return 0;
drop:
if (tx.u.tx.extra_frag[i])
dev_kfree_skb(tx.u.tx.extra_frag[i]);
kfree(tx.u.tx.extra_frag);
+ rcu_read_unlock();
return 0;
}
pkt_data->flags |= IEEE80211_TXPD_MGMT_IFACE;
skb->dev = local->mdev;
- sdata->stats.tx_packets++;
- sdata->stats.tx_bytes += skb->len;
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += skb->len;
/* Update skb pointers to various headers since this modified frame
* is going to go through Linux networking code that may potentially
if (!(fc & IEEE80211_FCTL_PROTECTED))
pkt_data->flags |= IEEE80211_TXPD_DO_NOT_ENCRYPT;
- sdata->stats.tx_packets++;
- sdata->stats.tx_bytes += skb->len;
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += skb->len;
dev_queue_xmit(skb);
if (!rate) {
if (net_ratelimit()) {
printk(KERN_DEBUG "%s: ieee80211_beacon_get: no rate "
- "found\n", local->mdev->name);
+ "found\n", wiphy_name(local->hw.wiphy));
}
dev_kfree_skb(skb);
return NULL;
}
sta = tx.sta;
tx.flags |= IEEE80211_TXRXD_TXPS_BUFFERED;
+ tx.u.tx.mode = local->hw.conf.mode;
for (handler = local->tx_handlers; *handler != NULL; handler++) {
res = (*handler)(&tx);
projects / deliverable / linux.git / blobdiff