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Diffstat (limited to 'net/mac80211/rx.c')
-rw-r--r--net/mac80211/rx.c227
1 files changed, 95 insertions, 132 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 5793f75c5..5dae166cb 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -32,6 +32,16 @@
#include "wme.h"
#include "rate.h"
+static inline void ieee80211_rx_stats(struct net_device *dev, u32 len)
+{
+ struct pcpu_sw_netstats *tstats = this_cpu_ptr(dev->tstats);
+
+ u64_stats_update_begin(&tstats->syncp);
+ tstats->rx_packets++;
+ tstats->rx_bytes += len;
+ u64_stats_update_end(&tstats->syncp);
+}
+
/*
* monitor mode reception
*
@@ -42,7 +52,7 @@ static struct sk_buff *remove_monitor_info(struct ieee80211_local *local,
struct sk_buff *skb,
unsigned int rtap_vendor_space)
{
- if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS) {
+ if (ieee80211_hw_check(&local->hw, RX_INCLUDES_FCS)) {
if (likely(skb->len > FCS_LEN))
__pskb_trim(skb, skb->len - FCS_LEN);
else {
@@ -100,7 +110,7 @@ ieee80211_rx_radiotap_hdrlen(struct ieee80211_local *local,
len = ALIGN(len, 8);
len += 8;
}
- if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
+ if (ieee80211_hw_check(&local->hw, SIGNAL_DBM))
len += 1;
/* antenna field, if we don't have per-chain info */
@@ -175,7 +185,7 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
}
mpdulen = skb->len;
- if (!(has_fcs && (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS)))
+ if (!(has_fcs && ieee80211_hw_check(&local->hw, RX_INCLUDES_FCS)))
mpdulen += FCS_LEN;
rthdr = (struct ieee80211_radiotap_header *)skb_push(skb, rtap_len);
@@ -229,7 +239,7 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
}
/* IEEE80211_RADIOTAP_FLAGS */
- if (has_fcs && (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS))
+ if (has_fcs && ieee80211_hw_check(&local->hw, RX_INCLUDES_FCS))
*pos |= IEEE80211_RADIOTAP_F_FCS;
if (status->flag & (RX_FLAG_FAILED_FCS_CRC | RX_FLAG_FAILED_PLCP_CRC))
*pos |= IEEE80211_RADIOTAP_F_BADFCS;
@@ -279,7 +289,7 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
pos += 2;
/* IEEE80211_RADIOTAP_DBM_ANTSIGNAL */
- if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM &&
+ if (ieee80211_hw_check(&local->hw, SIGNAL_DBM) &&
!(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {
*pos = status->signal;
rthdr->it_present |=
@@ -448,7 +458,7 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
* the SKB because it has a bad FCS/PLCP checksum.
*/
- if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS)
+ if (ieee80211_hw_check(&local->hw, RX_INCLUDES_FCS))
present_fcs_len = FCS_LEN;
/* ensure hdr->frame_control and vendor radiotap data are in skb head */
@@ -529,8 +539,7 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
}
prev_dev = sdata->dev;
- sdata->dev->stats.rx_packets++;
- sdata->dev->stats.rx_bytes += skb->len;
+ ieee80211_rx_stats(sdata->dev, skb->len);
}
if (prev_dev) {
@@ -981,7 +990,6 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx,
struct sk_buff *skb = rx->skb;
struct ieee80211_local *local = rx->local;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct sta_info *sta = rx->sta;
struct tid_ampdu_rx *tid_agg_rx;
u16 sc;
@@ -1016,10 +1024,6 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx,
ack_policy != IEEE80211_QOS_CTL_ACK_POLICY_NORMAL)
goto dont_reorder;
- /* not actually part of this BA session */
- if (!(status->rx_flags & IEEE80211_RX_RA_MATCH))
- goto dont_reorder;
-
/* new, potentially un-ordered, ampdu frame - process it */
/* reset session timer */
@@ -1073,10 +1077,8 @@ ieee80211_rx_h_check_dup(struct ieee80211_rx_data *rx)
if (unlikely(ieee80211_has_retry(hdr->frame_control) &&
rx->sta->last_seq_ctrl[rx->seqno_idx] ==
hdr->seq_ctrl)) {
- if (status->rx_flags & IEEE80211_RX_RA_MATCH) {
- rx->local->dot11FrameDuplicateCount++;
- rx->sta->num_duplicates++;
- }
+ I802_DEBUG_INC(rx->local->dot11FrameDuplicateCount);
+ rx->sta->num_duplicates++;
return RX_DROP_UNUSABLE;
} else if (!(status->flag & RX_FLAG_AMSDU_MORE)) {
rx->sta->last_seq_ctrl[rx->seqno_idx] = hdr->seq_ctrl;
@@ -1195,11 +1197,13 @@ static void sta_ps_start(struct sta_info *sta)
atomic_inc(&ps->num_sta_ps);
set_sta_flag(sta, WLAN_STA_PS_STA);
- if (!(local->hw.flags & IEEE80211_HW_AP_LINK_PS))
+ if (!ieee80211_hw_check(&local->hw, AP_LINK_PS))
drv_sta_notify(local, sdata, STA_NOTIFY_SLEEP, &sta->sta);
ps_dbg(sdata, "STA %pM aid %d enters power save mode\n",
sta->sta.addr, sta->sta.aid);
+ ieee80211_clear_fast_xmit(sta);
+
if (!sta->sta.txq[0])
return;
@@ -1241,7 +1245,7 @@ int ieee80211_sta_ps_transition(struct ieee80211_sta *sta, bool start)
struct sta_info *sta_inf = container_of(sta, struct sta_info, sta);
bool in_ps;
- WARN_ON(!(sta_inf->local->hw.flags & IEEE80211_HW_AP_LINK_PS));
+ WARN_ON(!ieee80211_hw_check(&sta_inf->local->hw, AP_LINK_PS));
/* Don't let the same PS state be set twice */
in_ps = test_sta_flag(sta_inf, WLAN_STA_PS_STA);
@@ -1265,7 +1269,7 @@ ieee80211_rx_h_uapsd_and_pspoll(struct ieee80211_rx_data *rx)
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);
int tid, ac;
- if (!rx->sta || !(status->rx_flags & IEEE80211_RX_RA_MATCH))
+ if (!rx->sta)
return RX_CONTINUE;
if (sdata->vif.type != NL80211_IFTYPE_AP &&
@@ -1277,7 +1281,7 @@ ieee80211_rx_h_uapsd_and_pspoll(struct ieee80211_rx_data *rx)
* uAPSD and PS-Poll frames (the latter shouldn't even come up from
* it to mac80211 since they're handled.)
*/
- if (sdata->local->hw.flags & IEEE80211_HW_AP_LINK_PS)
+ if (ieee80211_hw_check(&sdata->local->hw, AP_LINK_PS))
return RX_CONTINUE;
/*
@@ -1367,11 +1371,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
}
}
} else if (rx->sdata->vif.type == NL80211_IFTYPE_OCB) {
- u8 *bssid = ieee80211_get_bssid(hdr, rx->skb->len,
- NL80211_IFTYPE_OCB);
- /* OCB uses wild-card BSSID */
- if (is_broadcast_ether_addr(bssid))
- sta->last_rx = jiffies;
+ sta->last_rx = jiffies;
} else if (!is_multicast_ether_addr(hdr->addr1)) {
/*
* Mesh beacons will update last_rx when if they are found to
@@ -1386,9 +1386,6 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
}
}
- if (!(status->rx_flags & IEEE80211_RX_RA_MATCH))
- return RX_CONTINUE;
-
if (rx->sdata->vif.type == NL80211_IFTYPE_STATION)
ieee80211_sta_rx_notify(rx->sdata, hdr);
@@ -1416,7 +1413,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
* Change STA power saving mode only at the end of a frame
* exchange sequence.
*/
- if (!(sta->local->hw.flags & IEEE80211_HW_AP_LINK_PS) &&
+ if (!ieee80211_hw_check(&sta->local->hw, AP_LINK_PS) &&
!ieee80211_has_morefrags(hdr->frame_control) &&
!(status->rx_flags & IEEE80211_RX_DEFERRED_RELEASE) &&
(rx->sdata->vif.type == NL80211_IFTYPE_AP ||
@@ -1517,13 +1514,6 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
* possible.
*/
- /*
- * No point in finding a key and decrypting if the frame is neither
- * addressed to us nor a multicast frame.
- */
- if (!(status->rx_flags & IEEE80211_RX_RA_MATCH))
- return RX_CONTINUE;
-
/* start without a key */
rx->key = NULL;
fc = hdr->frame_control;
@@ -1795,7 +1785,7 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
frag = sc & IEEE80211_SCTL_FRAG;
if (is_multicast_ether_addr(hdr->addr1)) {
- rx->local->dot11MulticastReceivedFrameCount++;
+ I802_DEBUG_INC(rx->local->dot11MulticastReceivedFrameCount);
goto out_no_led;
}
@@ -1878,7 +1868,7 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
rx->skb = __skb_dequeue(&entry->skb_list);
if (skb_tailroom(rx->skb) < entry->extra_len) {
- I802_DEBUG_INC(rx->local->rx_expand_skb_head2);
+ I802_DEBUG_INC(rx->local->rx_expand_skb_head_defrag);
if (unlikely(pskb_expand_head(rx->skb, 0, entry->extra_len,
GFP_ATOMIC))) {
I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag);
@@ -2054,18 +2044,15 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
struct sk_buff *skb, *xmit_skb;
struct ethhdr *ehdr = (struct ethhdr *) rx->skb->data;
struct sta_info *dsta;
- struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);
-
- dev->stats.rx_packets++;
- dev->stats.rx_bytes += rx->skb->len;
skb = rx->skb;
xmit_skb = NULL;
+ ieee80211_rx_stats(dev, skb->len);
+
if ((sdata->vif.type == NL80211_IFTYPE_AP ||
sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
!(sdata->flags & IEEE80211_SDATA_DONT_BRIDGE_PACKETS) &&
- (status->rx_flags & IEEE80211_RX_RA_MATCH) &&
(sdata->vif.type != NL80211_IFTYPE_AP_VLAN || !sdata->u.vlan.sta)) {
if (is_multicast_ether_addr(ehdr->h_dest)) {
/*
@@ -2207,7 +2194,6 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
struct sk_buff *skb = rx->skb, *fwd_skb;
struct ieee80211_local *local = rx->local;
struct ieee80211_sub_if_data *sdata = rx->sdata;
- struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
u16 q, hdrlen;
@@ -2238,8 +2224,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
mesh_rmc_check(rx->sdata, hdr->addr3, mesh_hdr))
return RX_DROP_MONITOR;
- if (!ieee80211_is_data(hdr->frame_control) ||
- !(status->rx_flags & IEEE80211_RX_RA_MATCH))
+ if (!ieee80211_is_data(hdr->frame_control))
return RX_CONTINUE;
if (!mesh_hdr->ttl)
@@ -2330,11 +2315,9 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, fwded_frames);
ieee80211_add_pending_skb(local, fwd_skb);
out:
- if (is_multicast_ether_addr(hdr->addr1) ||
- sdata->dev->flags & IFF_PROMISC)
+ if (is_multicast_ether_addr(hdr->addr1))
return RX_CONTINUE;
- else
- return RX_DROP_MONITOR;
+ return RX_DROP_MONITOR;
}
#endif
@@ -2445,6 +2428,9 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx, struct sk_buff_head *frames)
struct {
__le16 control, start_seq_num;
} __packed bar_data;
+ struct ieee80211_event event = {
+ .type = BAR_RX_EVENT,
+ };
if (!rx->sta)
return RX_DROP_MONITOR;
@@ -2460,6 +2446,9 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx, struct sk_buff_head *frames)
return RX_DROP_MONITOR;
start_seq_num = le16_to_cpu(bar_data.start_seq_num) >> 4;
+ event.u.ba.tid = tid;
+ event.u.ba.ssn = start_seq_num;
+ event.u.ba.sta = &rx->sta->sta;
/* reset session timer */
if (tid_agg_rx->timeout)
@@ -2472,6 +2461,8 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx, struct sk_buff_head *frames)
start_seq_num, frames);
spin_unlock(&tid_agg_rx->reorder_lock);
+ drv_event_callback(rx->local, rx->sdata, &event);
+
kfree_skb(skb);
return RX_QUEUED;
}
@@ -2552,7 +2543,7 @@ ieee80211_rx_h_mgmt_check(struct ieee80211_rx_data *rx)
!(rx->flags & IEEE80211_RX_BEACON_REPORTED)) {
int sig = 0;
- if (rx->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
+ if (ieee80211_hw_check(&rx->local->hw, SIGNAL_DBM))
sig = status->signal;
cfg80211_report_obss_beacon(rx->local->hw.wiphy,
@@ -2561,9 +2552,6 @@ ieee80211_rx_h_mgmt_check(struct ieee80211_rx_data *rx)
rx->flags |= IEEE80211_RX_BEACON_REPORTED;
}
- if (!(status->rx_flags & IEEE80211_RX_RA_MATCH))
- return RX_DROP_MONITOR;
-
if (ieee80211_drop_unencrypted_mgmt(rx))
return RX_DROP_UNUSABLE;
@@ -2591,9 +2579,6 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT)
return RX_DROP_UNUSABLE;
- if (!(status->rx_flags & IEEE80211_RX_RA_MATCH))
- return RX_DROP_UNUSABLE;
-
switch (mgmt->u.action.category) {
case WLAN_CATEGORY_HT:
/* reject HT action frames from stations not supporting HT */
@@ -2889,7 +2874,7 @@ ieee80211_rx_h_userspace_mgmt(struct ieee80211_rx_data *rx)
* it transmitted were processed or returned.
*/
- if (rx->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
+ if (ieee80211_hw_check(&rx->local->hw, SIGNAL_DBM))
sig = status->signal;
if (cfg80211_rx_mgmt(&rx->sdata->wdev, status->freq, sig,
@@ -2954,7 +2939,7 @@ ieee80211_rx_h_action_return(struct ieee80211_rx_data *rx)
info->flags = IEEE80211_TX_CTL_TX_OFFCHAN |
IEEE80211_TX_INTFL_OFFCHAN_TX_OK |
IEEE80211_TX_CTL_NO_CCK_RATE;
- if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
+ if (ieee80211_hw_check(&local->hw, QUEUE_CONTROL))
info->hw_queue =
local->hw.offchannel_tx_hw_queue;
}
@@ -3077,8 +3062,7 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx,
}
prev_dev = sdata->dev;
- sdata->dev->stats.rx_packets++;
- sdata->dev->stats.rx_bytes += skb->len;
+ ieee80211_rx_stats(sdata->dev, skb->len);
}
if (prev_dev) {
@@ -3246,16 +3230,25 @@ void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid)
ieee80211_sta_reorder_release(sta->sdata, tid_agg_rx, &frames);
spin_unlock(&tid_agg_rx->reorder_lock);
+ if (!skb_queue_empty(&frames)) {
+ struct ieee80211_event event = {
+ .type = BA_FRAME_TIMEOUT,
+ .u.ba.tid = tid,
+ .u.ba.sta = &sta->sta,
+ };
+ drv_event_callback(rx.local, rx.sdata, &event);
+ }
+
ieee80211_rx_handlers(&rx, &frames);
}
/* main receive path */
-static bool prepare_for_handlers(struct ieee80211_rx_data *rx,
- struct ieee80211_hdr *hdr)
+static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
{
struct ieee80211_sub_if_data *sdata = rx->sdata;
struct sk_buff *skb = rx->skb;
+ struct ieee80211_hdr *hdr = (void *)skb->data;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
u8 *bssid = ieee80211_get_bssid(hdr, skb->len, sdata->vif.type);
int multicast = is_multicast_ether_addr(hdr->addr1);
@@ -3264,30 +3257,23 @@ static bool prepare_for_handlers(struct ieee80211_rx_data *rx,
case NL80211_IFTYPE_STATION:
if (!bssid && !sdata->u.mgd.use_4addr)
return false;
- if (!multicast &&
- !ether_addr_equal(sdata->vif.addr, hdr->addr1)) {
- if (!(sdata->dev->flags & IFF_PROMISC) ||
- sdata->u.mgd.use_4addr)
- return false;
- status->rx_flags &= ~IEEE80211_RX_RA_MATCH;
- }
- break;
+ if (multicast)
+ return true;
+ return ether_addr_equal(sdata->vif.addr, hdr->addr1);
case NL80211_IFTYPE_ADHOC:
if (!bssid)
return false;
if (ether_addr_equal(sdata->vif.addr, hdr->addr2) ||
ether_addr_equal(sdata->u.ibss.bssid, hdr->addr2))
return false;
- if (ieee80211_is_beacon(hdr->frame_control)) {
+ if (ieee80211_is_beacon(hdr->frame_control))
return true;
- } else if (!ieee80211_bssid_match(bssid, sdata->u.ibss.bssid)) {
+ if (!ieee80211_bssid_match(bssid, sdata->u.ibss.bssid))
return false;
- } else if (!multicast &&
- !ether_addr_equal(sdata->vif.addr, hdr->addr1)) {
- if (!(sdata->dev->flags & IFF_PROMISC))
- return false;
- status->rx_flags &= ~IEEE80211_RX_RA_MATCH;
- } else if (!rx->sta) {
+ if (!multicast &&
+ !ether_addr_equal(sdata->vif.addr, hdr->addr1))
+ return false;
+ if (!rx->sta) {
int rate_idx;
if (status->flag & (RX_FLAG_HT | RX_FLAG_VHT))
rate_idx = 0; /* TODO: HT/VHT rates */
@@ -3296,25 +3282,18 @@ static bool prepare_for_handlers(struct ieee80211_rx_data *rx,
ieee80211_ibss_rx_no_sta(sdata, bssid, hdr->addr2,
BIT(rate_idx));
}
- break;
+ return true;
case NL80211_IFTYPE_OCB:
if (!bssid)
return false;
- if (ieee80211_is_beacon(hdr->frame_control)) {
+ if (ieee80211_is_beacon(hdr->frame_control))
return false;
- } else if (!is_broadcast_ether_addr(bssid)) {
- ocb_dbg(sdata, "BSSID mismatch in OCB mode!\n");
+ if (!is_broadcast_ether_addr(bssid))
return false;
- } else if (!multicast &&
- !ether_addr_equal(sdata->dev->dev_addr,
- hdr->addr1)) {
- /* if we are in promisc mode we also accept
- * packets not destined for us
- */
- if (!(sdata->dev->flags & IFF_PROMISC))
- return false;
- rx->flags &= ~IEEE80211_RX_RA_MATCH;
- } else if (!rx->sta) {
+ if (!multicast &&
+ !ether_addr_equal(sdata->dev->dev_addr, hdr->addr1))
+ return false;
+ if (!rx->sta) {
int rate_idx;
if (status->flag & RX_FLAG_HT)
rate_idx = 0; /* TODO: HT rates */
@@ -3323,22 +3302,17 @@ static bool prepare_for_handlers(struct ieee80211_rx_data *rx,
ieee80211_ocb_rx_no_sta(sdata, bssid, hdr->addr2,
BIT(rate_idx));
}
- break;
+ return true;
case NL80211_IFTYPE_MESH_POINT:
- if (!multicast &&
- !ether_addr_equal(sdata->vif.addr, hdr->addr1)) {
- if (!(sdata->dev->flags & IFF_PROMISC))
- return false;
-
- status->rx_flags &= ~IEEE80211_RX_RA_MATCH;
- }
- break;
+ if (multicast)
+ return true;
+ return ether_addr_equal(sdata->vif.addr, hdr->addr1);
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_AP:
- if (!bssid) {
- if (!ether_addr_equal(sdata->vif.addr, hdr->addr1))
- return false;
- } else if (!ieee80211_bssid_match(bssid, sdata->vif.addr)) {
+ if (!bssid)
+ return ether_addr_equal(sdata->vif.addr, hdr->addr1);
+
+ if (!ieee80211_bssid_match(bssid, sdata->vif.addr)) {
/*
* Accept public action frames even when the
* BSSID doesn't match, this is used for P2P
@@ -3350,10 +3324,10 @@ static bool prepare_for_handlers(struct ieee80211_rx_data *rx,
return false;
if (ieee80211_is_public_action(hdr, skb->len))
return true;
- if (!ieee80211_is_beacon(hdr->frame_control))
- return false;
- status->rx_flags &= ~IEEE80211_RX_RA_MATCH;
- } else if (!ieee80211_has_tods(hdr->frame_control)) {
+ return ieee80211_is_beacon(hdr->frame_control);
+ }
+
+ if (!ieee80211_has_tods(hdr->frame_control)) {
/* ignore data frames to TDLS-peers */
if (ieee80211_is_data(hdr->frame_control))
return false;
@@ -3362,30 +3336,22 @@ static bool prepare_for_handlers(struct ieee80211_rx_data *rx,
!ether_addr_equal(bssid, hdr->addr1))
return false;
}
- break;
+ return true;
case NL80211_IFTYPE_WDS:
if (bssid || !ieee80211_is_data(hdr->frame_control))
return false;
- if (!ether_addr_equal(sdata->u.wds.remote_addr, hdr->addr2))
- return false;
- break;
+ return ether_addr_equal(sdata->u.wds.remote_addr, hdr->addr2);
case NL80211_IFTYPE_P2P_DEVICE:
- if (!ieee80211_is_public_action(hdr, skb->len) &&
- !ieee80211_is_probe_req(hdr->frame_control) &&
- !ieee80211_is_probe_resp(hdr->frame_control) &&
- !ieee80211_is_beacon(hdr->frame_control))
- return false;
- if (!ether_addr_equal(sdata->vif.addr, hdr->addr1) &&
- !multicast)
- status->rx_flags &= ~IEEE80211_RX_RA_MATCH;
- break;
+ return ieee80211_is_public_action(hdr, skb->len) ||
+ ieee80211_is_probe_req(hdr->frame_control) ||
+ ieee80211_is_probe_resp(hdr->frame_control) ||
+ ieee80211_is_beacon(hdr->frame_control);
default:
- /* should never get here */
- WARN_ON_ONCE(1);
break;
}
- return true;
+ WARN_ON_ONCE(1);
+ return false;
}
/*
@@ -3399,13 +3365,10 @@ static bool ieee80211_prepare_and_rx_handle(struct ieee80211_rx_data *rx,
{
struct ieee80211_local *local = rx->local;
struct ieee80211_sub_if_data *sdata = rx->sdata;
- struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
- struct ieee80211_hdr *hdr = (void *)skb->data;
rx->skb = skb;
- status->rx_flags |= IEEE80211_RX_RA_MATCH;
- if (!prepare_for_handlers(rx, hdr))
+ if (!ieee80211_accept_frame(rx))
return false;
if (!consume) {
@@ -3448,7 +3411,7 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
rx.local = local;
if (ieee80211_is_data(fc) || ieee80211_is_mgmt(fc))
- local->dot11ReceivedFragmentCount++;
+ I802_DEBUG_INC(local->dot11ReceivedFragmentCount);
if (ieee80211_is_mgmt(fc)) {
/* drop frame if too short for header */