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-rw-r--r--net/mac80211/ibss.c2
-rw-r--r--net/mac80211/ieee80211_i.h3
-rw-r--r--net/mac80211/iface.c7
-rw-r--r--net/mac80211/mesh.c2
-rw-r--r--net/mac80211/mlme.c5
-rw-r--r--net/mac80211/rx.c14
-rw-r--r--net/mac80211/spectmgmt.c18
7 files changed, 25 insertions, 26 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index ea7013cb7e52..3f076b9c9308 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -815,7 +815,7 @@ ieee80211_ibss_process_chanswitch(struct ieee80211_sub_if_data *sdata,
memset(&params, 0, sizeof(params));
memset(&csa_ie, 0, sizeof(csa_ie));
- err = ieee80211_parse_ch_switch_ie(sdata, elems, beacon,
+ err = ieee80211_parse_ch_switch_ie(sdata, elems,
ifibss->chandef.chan->band,
sta_flags, ifibss->bssid, &csa_ie);
/* can't switch to destination channel, fail */
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index b127902361f4..bf7a1bbb975f 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1569,7 +1569,6 @@ void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
* ieee80211_parse_ch_switch_ie - parses channel switch IEs
* @sdata: the sdata of the interface which has received the frame
* @elems: parsed 802.11 elements received with the frame
- * @beacon: indicates if the frame was a beacon or probe response
* @current_band: indicates the current band
* @sta_flags: contains information about own capabilities and restrictions
* to decide which channel switch announcements can be accepted. Only the
@@ -1583,7 +1582,7 @@ void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
* Return: 0 on success, <0 on error and >0 if there is nothing to parse.
*/
int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
- struct ieee802_11_elems *elems, bool beacon,
+ struct ieee802_11_elems *elems,
enum ieee80211_band current_band,
u32 sta_flags, u8 *bssid,
struct ieee80211_csa_ie *csa_ie);
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 8f7fabc46c97..06f5de4e4fbb 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -760,10 +760,12 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
int i, flushed;
struct ps_data *ps;
struct cfg80211_chan_def chandef;
+ bool cancel_scan;
clear_bit(SDATA_STATE_RUNNING, &sdata->state);
- if (rcu_access_pointer(local->scan_sdata) == sdata)
+ cancel_scan = rcu_access_pointer(local->scan_sdata) == sdata;
+ if (cancel_scan)
ieee80211_scan_cancel(local);
/*
@@ -973,6 +975,9 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
ieee80211_recalc_ps(local, -1);
+ if (cancel_scan)
+ flush_delayed_work(&local->scan_work);
+
if (local->open_count == 0) {
ieee80211_stop_device(local);
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 5b919cab1de0..3d52d1d68431 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -885,7 +885,7 @@ ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata,
memset(&params, 0, sizeof(params));
memset(&csa_ie, 0, sizeof(csa_ie));
- err = ieee80211_parse_ch_switch_ie(sdata, elems, beacon, band,
+ err = ieee80211_parse_ch_switch_ie(sdata, elems, band,
sta_flags, sdata->vif.addr,
&csa_ie);
if (err < 0)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 189eef014c4f..c9535a976b56 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1001,7 +1001,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
current_band = cbss->channel->band;
memset(&csa_ie, 0, sizeof(csa_ie));
- res = ieee80211_parse_ch_switch_ie(sdata, elems, beacon, current_band,
+ res = ieee80211_parse_ch_switch_ie(sdata, elems, current_band,
ifmgd->flags,
ifmgd->associated->bssid, &csa_ie);
if (res < 0)
@@ -1086,7 +1086,8 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
ieee80211_queue_work(&local->hw, &ifmgd->chswitch_work);
else
mod_timer(&ifmgd->chswitch_timer,
- TU_TO_EXP_TIME(csa_ie.count * cbss->beacon_interval));
+ TU_TO_EXP_TIME((csa_ie.count - 1) *
+ cbss->beacon_interval));
}
static u32 ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 3e57f96c9666..095c16037bc5 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1679,11 +1679,14 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
sc = le16_to_cpu(hdr->seq_ctrl);
frag = sc & IEEE80211_SCTL_FRAG;
- if (likely((!ieee80211_has_morefrags(fc) && frag == 0) ||
- is_multicast_ether_addr(hdr->addr1))) {
- /* not fragmented */
+ if (likely(!ieee80211_has_morefrags(fc) && frag == 0))
+ goto out;
+
+ if (is_multicast_ether_addr(hdr->addr1)) {
+ rx->local->dot11MulticastReceivedFrameCount++;
goto out;
}
+
I802_DEBUG_INC(rx->local->rx_handlers_fragments);
if (skb_linearize(rx->skb))
@@ -1776,10 +1779,7 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
out:
if (rx->sta)
rx->sta->rx_packets++;
- if (is_multicast_ether_addr(hdr->addr1))
- rx->local->dot11MulticastReceivedFrameCount++;
- else
- ieee80211_led_rx(rx->local);
+ ieee80211_led_rx(rx->local);
return RX_CONTINUE;
}
diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c
index 6ab009070084..efeba56c913b 100644
--- a/net/mac80211/spectmgmt.c
+++ b/net/mac80211/spectmgmt.c
@@ -22,7 +22,7 @@
#include "wme.h"
int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
- struct ieee802_11_elems *elems, bool beacon,
+ struct ieee802_11_elems *elems,
enum ieee80211_band current_band,
u32 sta_flags, u8 *bssid,
struct ieee80211_csa_ie *csa_ie)
@@ -91,19 +91,13 @@ int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
return -EINVAL;
}
- if (!beacon && sec_chan_offs) {
+ if (sec_chan_offs) {
secondary_channel_offset = sec_chan_offs->sec_chan_offs;
- } else if (beacon && ht_oper) {
- secondary_channel_offset =
- ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
} else if (!(sta_flags & IEEE80211_STA_DISABLE_HT)) {
- /* If it's not a beacon, HT is enabled and the IE not present,
- * it's 20 MHz, 802.11-2012 8.5.2.6:
- * This element [the Secondary Channel Offset Element] is
- * present when switching to a 40 MHz channel. It may be
- * present when switching to a 20 MHz channel (in which
- * case the secondary channel offset is set to SCN).
- */
+ /* If the secondary channel offset IE is not present,
+ * we can't know what's the post-CSA offset, so the
+ * best we can do is use 20MHz.
+ */
secondary_channel_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
}