#include <linux/export.h>
#include <net/mac80211.h>
#include <net/ieee80211_radiotap.h>
+#include <asm/unaligned.h>
#include "ieee80211_i.h"
#include "driver-ops.h"
pos += 2;
/* IEEE80211_RADIOTAP_DBM_ANTSIGNAL */
- if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
+ if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM &&
+ !(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {
*pos = status->signal;
rthdr->it_present |=
cpu_to_le32(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL);
{
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(origskb);
struct ieee80211_sub_if_data *sdata;
- int needed_headroom = 0;
+ int needed_headroom;
struct sk_buff *skb, *skb2;
struct net_device *prev_dev = NULL;
int present_fcs_len = 0;
if (ieee80211_has_tods(hdr->frame_control) ||
!ieee80211_has_fromds(hdr->frame_control))
return RX_DROP_MONITOR;
- if (memcmp(hdr->addr3, dev_addr, ETH_ALEN) == 0)
+ if (compare_ether_addr(hdr->addr3, dev_addr) == 0)
return RX_DROP_MONITOR;
} else {
if (!ieee80211_has_a4(hdr->frame_control))
return RX_DROP_MONITOR;
- if (memcmp(hdr->addr4, dev_addr, ETH_ALEN) == 0)
+ if (compare_ether_addr(hdr->addr4, dev_addr) == 0)
return RX_DROP_MONITOR;
}
}
index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
tid_agg_rx->buf_size;
if (!tid_agg_rx->reorder_buf[index] &&
- tid_agg_rx->stored_mpdu_num > 1) {
+ tid_agg_rx->stored_mpdu_num) {
/*
* No buffers ready to be released, but check whether any
* frames in the reorder buffer have timed out.
rx->sdata->vif.type != NL80211_IFTYPE_ADHOC &&
rx->sdata->vif.type != NL80211_IFTYPE_WDS &&
(!rx->sta || !test_sta_flag(rx->sta, WLAN_STA_ASSOC)))) {
- if (rx->sta && rx->sta->dummy &&
+ /*
+ * accept port control frames from the AP even when it's not
+ * yet marked ASSOC to prevent a race where we don't set the
+ * assoc bit quickly enough before it sends the first frame
+ */
+ if (rx->sta && rx->sdata->vif.type == NL80211_IFTYPE_STATION &&
ieee80211_is_data_present(hdr->frame_control)) {
u16 ethertype;
u8 *payload;
return RX_DROP_MONITOR;
}
- if (skb_linearize(rx->skb))
- return RX_DROP_UNUSABLE;
- /* the hdr variable is invalid now! */
-
switch (rx->key->conf.cipher) {
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
- /* Check for weak IVs if possible */
- if (rx->sta && ieee80211_is_data(fc) &&
- (!(status->flag & RX_FLAG_IV_STRIPPED) ||
- !(status->flag & RX_FLAG_DECRYPTED)) &&
- ieee80211_wep_is_weak_iv(rx->skb, rx->key))
- rx->sta->wep_weak_iv_count++;
-
result = ieee80211_crypto_wep_decrypt(rx);
break;
case WLAN_CIPHER_SUITE_TKIP:
return RX_DROP_UNUSABLE;
}
+ /* the hdr variable is invalid after the decrypt handlers */
+
/* either the frame has been decrypted or will be dropped */
status->flag |= RX_FLAG_DECRYPTED;
static void ap_sta_ps_end(struct sta_info *sta)
{
- struct ieee80211_sub_if_data *sdata = sta->sdata;
-
- atomic_dec(&sdata->bss->num_sta_ps);
-
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
printk(KERN_DEBUG "%s: STA %pM aid %d exits power save mode\n",
- sdata->name, sta->sta.addr, sta->sta.aid);
+ sta->sdata->name, sta->sta.addr, sta->sta.aid);
#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
if (test_sta_flag(sta, WLAN_STA_PS_DRIVER)) {
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
printk(KERN_DEBUG "%s: STA %pM aid %d driver-ps-blocked\n",
- sdata->name, sta->sta.addr, sta->sta.aid);
+ sta->sdata->name, sta->sta.addr, sta->sta.aid);
#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
return;
}
sta->rx_fragments++;
sta->rx_bytes += rx->skb->len;
- sta->last_signal = status->signal;
- ewma_add(&sta->avg_signal, -status->signal);
+ if (!(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {
+ sta->last_signal = status->signal;
+ ewma_add(&sta->avg_signal, -status->signal);
+ }
/*
* Change STA power saving mode only at the end of a frame
return RX_DROP_MONITOR;
}
+ if (!ifmsh->mshcfg.dot11MeshForwarding)
+ goto out;
+
fwd_skb = skb_copy(skb, GFP_ATOMIC);
if (!fwd_skb) {
if (net_ratelimit())
if (rx->sdata->vif.type == NL80211_IFTYPE_AP &&
ieee80211_is_beacon(mgmt->frame_control) &&
!(rx->flags & IEEE80211_RX_BEACON_REPORTED)) {
- struct ieee80211_rx_status *status;
+ int sig = 0;
+
+ if (rx->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
+ sig = status->signal;
- status = IEEE80211_SKB_RXCB(rx->skb);
cfg80211_report_obss_beacon(rx->local->hw.wiphy,
rx->skb->data, rx->skb->len,
- status->freq, GFP_ATOMIC);
+ status->freq, sig, GFP_ATOMIC);
rx->flags |= IEEE80211_RX_BEACON_REPORTED;
}
sband = rx->local->hw.wiphy->bands[status->band];
- rate_control_rate_update(local, sband, rx->sta,
- IEEE80211_RC_SMPS_CHANGED,
- local->_oper_channel_type);
+ rate_control_rate_update(
+ local, sband, rx->sta,
+ IEEE80211_RC_SMPS_CHANGED,
+ ieee80211_get_tx_channel_type(
+ local, local->_oper_channel_type));
goto handled;
}
default:
if (sdata->vif.type != NL80211_IFTYPE_STATION)
break;
- if (memcmp(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN))
+ if (compare_ether_addr(mgmt->bssid, sdata->u.mgd.bssid))
break;
goto queue;
ieee80211_rx_h_userspace_mgmt(struct ieee80211_rx_data *rx)
{
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);
+ int sig = 0;
/* skip known-bad action frames and return them in the next handler */
if (status->rx_flags & IEEE80211_RX_MALFORMED_ACTION_FRM)
* it transmitted were processed or returned.
*/
- if (cfg80211_rx_mgmt(rx->sdata->dev, status->freq,
+ if (rx->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
+ sig = status->signal;
+
+ if (cfg80211_rx_mgmt(rx->sdata->dev, status->freq, sig,
rx->skb->data, rx->skb->len,
GFP_ATOMIC)) {
if (rx->sta)
ieee80211_rx_h_mgmt(struct ieee80211_rx_data *rx)
{
struct ieee80211_sub_if_data *sdata = rx->sdata;
- ieee80211_rx_result rxs;
struct ieee80211_mgmt *mgmt = (void *)rx->skb->data;
__le16 stype;
- rxs = ieee80211_work_rx_mgmt(rx->sdata, rx->skb);
- if (rxs != RX_CONTINUE)
- return rxs;
-
stype = mgmt->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);
if (!ieee80211_vif_is_mesh(&sdata->vif) &&
return RX_DROP_MONITOR;
switch (stype) {
+ case cpu_to_le16(IEEE80211_STYPE_AUTH):
case cpu_to_le16(IEEE80211_STYPE_BEACON):
case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
/* process for all: mesh, mlme, ibss */
break;
+ case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
+ case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
if (is_multicast_ether_addr(mgmt->da) &&
return RX_DROP_MONITOR;
break;
case cpu_to_le16(IEEE80211_STYPE_PROBE_REQ):
- case cpu_to_le16(IEEE80211_STYPE_AUTH):
/* process only for ibss */
if (sdata->vif.type != NL80211_IFTYPE_ADHOC)
return RX_DROP_MONITOR;
{
struct ieee80211_sub_if_data *sdata;
struct ieee80211_local *local = rx->local;
- struct ieee80211_rtap_hdr {
- struct ieee80211_radiotap_header hdr;
- u8 flags;
- u8 rate_or_pad;
- __le16 chan_freq;
- __le16 chan_flags;
- } __packed *rthdr;
struct sk_buff *skb = rx->skb, *skb2;
struct net_device *prev_dev = NULL;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
+ int needed_headroom;
/*
* If cooked monitor has been processed already, then
if (!local->cooked_mntrs)
goto out_free_skb;
- if (skb_headroom(skb) < sizeof(*rthdr) &&
- pskb_expand_head(skb, sizeof(*rthdr), 0, GFP_ATOMIC))
- goto out_free_skb;
-
- rthdr = (void *)skb_push(skb, sizeof(*rthdr));
- memset(rthdr, 0, sizeof(*rthdr));
- rthdr->hdr.it_len = cpu_to_le16(sizeof(*rthdr));
- rthdr->hdr.it_present =
- cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) |
- (1 << IEEE80211_RADIOTAP_CHANNEL));
+ /* room for the radiotap header based on driver features */
+ needed_headroom = ieee80211_rx_radiotap_len(local, status);
- if (rate) {
- rthdr->rate_or_pad = rate->bitrate / 5;
- rthdr->hdr.it_present |=
- cpu_to_le32(1 << IEEE80211_RADIOTAP_RATE);
- }
- rthdr->chan_freq = cpu_to_le16(status->freq);
+ if (skb_headroom(skb) < needed_headroom &&
+ pskb_expand_head(skb, needed_headroom, 0, GFP_ATOMIC))
+ goto out_free_skb;
- if (status->band == IEEE80211_BAND_5GHZ)
- rthdr->chan_flags = cpu_to_le16(IEEE80211_CHAN_OFDM |
- IEEE80211_CHAN_5GHZ);
- else
- rthdr->chan_flags = cpu_to_le16(IEEE80211_CHAN_DYN |
- IEEE80211_CHAN_2GHZ);
+ /* prepend radiotap information */
+ ieee80211_add_rx_radiotap_header(local, skb, rate, needed_headroom);
skb_set_mac_header(skb, 0);
skb->ip_summed = CHECKSUM_UNNECESSARY;
if (ieee80211_is_data(fc)) {
prev_sta = NULL;
- for_each_sta_info_rx(local, hdr->addr2, sta, tmp) {
+ for_each_sta_info(local, hdr->addr2, sta, tmp) {
if (!prev_sta) {
prev_sta = sta;
continue;
continue;
}
- rx.sta = sta_info_get_bss_rx(prev, hdr->addr2);
+ rx.sta = sta_info_get_bss(prev, hdr->addr2);
rx.sdata = prev;
ieee80211_prepare_and_rx_handle(&rx, skb, false);
}
if (prev) {
- rx.sta = sta_info_get_bss_rx(prev, hdr->addr2);
+ rx.sta = sta_info_get_bss(prev, hdr->addr2);
rx.sdata = prev;
if (ieee80211_prepare_and_rx_handle(&rx, skb, true))
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