From eaa8cb7834a1f0bf86973cdb0bba53eef6517e92 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 26 Aug 2013 17:31:23 +0000
Subject: [PATCH] mac80211: merge a few ad-hoc mode fixes
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 37840
---
.../mac80211/patches/300-pending_work.patch | 116 +++++++++++++++++-
1 file changed, 112 insertions(+), 4 deletions(-)
diff --git a/package/kernel/mac80211/patches/300-pending_work.patch b/package/kernel/mac80211/patches/300-pending_work.patch
index 071d62f583..11b9ec4c3b 100644
--- a/package/kernel/mac80211/patches/300-pending_work.patch
+++ b/package/kernel/mac80211/patches/300-pending_work.patch
@@ -1945,7 +1945,21 @@
/*
* Downgrade the new channel if we associated with restricted
-@@ -3394,10 +3405,13 @@ static int ieee80211_probe_auth(struct i
+@@ -1043,6 +1054,13 @@ ieee80211_sta_process_chanswitch(struct
+ if (!ieee80211_operating_class_to_band(
+ elems->ext_chansw_ie->new_operating_class,
+ &new_band)) {
++ /*
++ * Some APs send invalid ECSA IEs in probe response
++ * frames, so check for these and ignore them.
++ */
++ if (beacon && elems->ext_chansw_ie->new_ch_num == 0 &&
++ elems->ext_chansw_ie->new_operating_class == 0)
++ return;
+ sdata_info(sdata,
+ "cannot understand ECSA IE operating class %d, disconnecting\n",
+ elems->ext_chansw_ie->new_operating_class);
+@@ -3394,10 +3412,13 @@ static int ieee80211_probe_auth(struct i
if (tx_flags == 0) {
auth_data->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
@@ -1961,7 +1975,7 @@
}
return 0;
-@@ -3434,7 +3448,11 @@ static int ieee80211_do_assoc(struct iee
+@@ -3434,7 +3455,11 @@ static int ieee80211_do_assoc(struct iee
assoc_data->timeout_started = true;
run_again(sdata, assoc_data->timeout);
} else {
@@ -1974,7 +1988,7 @@
}
return 0;
-@@ -3829,7 +3847,7 @@ static int ieee80211_prep_channel(struct
+@@ -3829,7 +3854,7 @@ static int ieee80211_prep_channel(struct
ifmgd->flags |= ieee80211_determine_chantype(sdata, sband,
cbss->channel,
ht_oper, vht_oper,
@@ -2555,7 +2569,93 @@
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
-@@ -792,6 +792,17 @@ static void ieee80211_sta_find_ibss(stru
+@@ -36,7 +36,7 @@
+
+ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
+ const u8 *bssid, const int beacon_int,
+- struct ieee80211_channel *chan,
++ struct cfg80211_chan_def *req_chandef,
+ const u32 basic_rates,
+ const u16 capability, u64 tsf,
+ bool creator)
+@@ -51,6 +51,7 @@ static void __ieee80211_sta_join_ibss(st
+ u32 bss_change;
+ u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
+ struct cfg80211_chan_def chandef;
++ struct ieee80211_channel *chan;
+ struct beacon_data *presp;
+ int frame_len;
+
+@@ -81,7 +82,9 @@ static void __ieee80211_sta_join_ibss(st
+
+ sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0;
+
+- chandef = ifibss->chandef;
++ /* make a copy of the chandef, it could be modified below. */
++ chandef = *req_chandef;
++ chan = chandef.chan;
+ if (!cfg80211_reg_can_beacon(local->hw.wiphy, &chandef)) {
+ chandef.width = NL80211_CHAN_WIDTH_20;
+ chandef.center_freq1 = chan->center_freq;
+@@ -259,10 +262,12 @@ static void ieee80211_sta_join_ibss(stru
+ struct cfg80211_bss *cbss =
+ container_of((void *)bss, struct cfg80211_bss, priv);
+ struct ieee80211_supported_band *sband;
++ struct cfg80211_chan_def chandef;
+ u32 basic_rates;
+ int i, j;
+ u16 beacon_int = cbss->beacon_interval;
+ const struct cfg80211_bss_ies *ies;
++ enum nl80211_channel_type chan_type;
+ u64 tsf;
+
+ sdata_assert_lock(sdata);
+@@ -270,6 +275,26 @@ static void ieee80211_sta_join_ibss(stru
+ if (beacon_int < 10)
+ beacon_int = 10;
+
++ switch (sdata->u.ibss.chandef.width) {
++ case NL80211_CHAN_WIDTH_20_NOHT:
++ case NL80211_CHAN_WIDTH_20:
++ case NL80211_CHAN_WIDTH_40:
++ chan_type = cfg80211_get_chandef_type(&sdata->u.ibss.chandef);
++ cfg80211_chandef_create(&chandef, cbss->channel, chan_type);
++ break;
++ case NL80211_CHAN_WIDTH_5:
++ case NL80211_CHAN_WIDTH_10:
++ cfg80211_chandef_create(&chandef, cbss->channel,
++ NL80211_CHAN_WIDTH_20_NOHT);
++ chandef.width = sdata->u.ibss.chandef.width;
++ break;
++ default:
++ /* fall back to 20 MHz for unsupported modes */
++ cfg80211_chandef_create(&chandef, cbss->channel,
++ NL80211_CHAN_WIDTH_20_NOHT);
++ break;
++ }
++
+ sband = sdata->local->hw.wiphy->bands[cbss->channel->band];
+
+ basic_rates = 0;
+@@ -294,7 +319,7 @@ static void ieee80211_sta_join_ibss(stru
+
+ __ieee80211_sta_join_ibss(sdata, cbss->bssid,
+ beacon_int,
+- cbss->channel,
++ &chandef,
+ basic_rates,
+ cbss->capability,
+ tsf, false);
+@@ -736,7 +761,7 @@ static void ieee80211_sta_create_ibss(st
+ sdata->drop_unencrypted = 0;
+
+ __ieee80211_sta_join_ibss(sdata, bssid, sdata->vif.bss_conf.beacon_int,
+- ifibss->chandef.chan, ifibss->basic_rates,
++ &ifibss->chandef, ifibss->basic_rates,
+ capability, 0, true);
+ }
+
+@@ -792,6 +817,17 @@ static void ieee80211_sta_find_ibss(stru
return;
}
@@ -2573,6 +2673,14 @@
ibss_dbg(sdata, "sta_find_ibss: did not try to join ibss\n");
/* Selected IBSS not found in current scan results - try to scan */
+@@ -1138,6 +1174,7 @@ int ieee80211_ibss_leave(struct ieee8021
+ clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
+ BSS_CHANGED_IBSS);
++ ieee80211_vif_release_channel(sdata);
+ synchronize_rcu();
+ kfree(presp);
+
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -1173,6 +1173,10 @@ skip_ws_det:
--
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