X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/a9aed914cf586cba100ca6b94079c3a8c5428ab4..f20b056795ca61a353c1614901311d3308ca70db:/package/mac80211/patches/300-pending_work.patch diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch index 01df8f745..371e82bca 100644 --- a/package/mac80211/patches/300-pending_work.patch +++ b/package/mac80211/patches/300-pending_work.patch @@ -1,17 +1,46 @@ +--- a/include/net/cfg80211.h ++++ b/include/net/cfg80211.h +@@ -1122,6 +1122,7 @@ struct cfg80211_ibss_params { + u8 *ssid; + u8 *bssid; + struct ieee80211_channel *channel; ++ enum nl80211_channel_type channel_type; + u8 *ie; + u8 ssid_len, ie_len; + u16 beacon_interval; +@@ -3188,6 +3189,16 @@ void cfg80211_gtk_rekey_notify(struct ne + void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, + const u8 *bssid, bool preauth, gfp_t gfp); + ++/** ++ * cfg80211_can_use_ext_chan - test if ht40 on extension channel can be used ++ * @wiphy: the wiphy ++ * @chan: main channel ++ * @channel_type: HT mode ++ */ ++bool cfg80211_can_beacon_sec_chan(struct wiphy *wiphy, ++ struct ieee80211_channel *chan, ++ enum nl80211_channel_type channel_type); ++ + /* Logging, debugging and troubleshooting/diagnostic helpers. */ + + /* wiphy_printk helpers, similar to dev_printk */ --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c -@@ -184,6 +184,8 @@ static void ieee80211_send_addba_resp(st +@@ -180,6 +180,10 @@ static void ieee80211_send_addba_resp(st memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); else if (sdata->vif.type == NL80211_IFTYPE_STATION) memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); + else if (sdata->vif.type == NL80211_IFTYPE_WDS) + memcpy(mgmt->bssid, da, ETH_ALEN); ++ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) ++ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN); mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c -@@ -79,7 +79,8 @@ static void ieee80211_send_addba_request +@@ -77,10 +77,13 @@ static void ieee80211_send_addba_request memcpy(mgmt->da, da, ETH_ALEN); memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); if (sdata->vif.type == NL80211_IFTYPE_AP || @@ -21,35 +50,239 @@ memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); else if (sdata->vif.type == NL80211_IFTYPE_STATION) memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); -@@ -398,7 +399,8 @@ int ieee80211_start_tx_ba_session(struct ++ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) ++ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN); + + mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_ACTION); +@@ -397,7 +400,9 @@ int ieee80211_start_tx_ba_session(struct */ if (sdata->vif.type != NL80211_IFTYPE_STATION && sdata->vif.type != NL80211_IFTYPE_AP_VLAN && - sdata->vif.type != NL80211_IFTYPE_AP) + sdata->vif.type != NL80211_IFTYPE_AP && ++ sdata->vif.type != NL80211_IFTYPE_ADHOC && + sdata->vif.type != NL80211_IFTYPE_WDS) return -EINVAL; - if (test_sta_flags(sta, WLAN_STA_BLOCK_BA)) { + if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) { --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c -@@ -59,7 +59,7 @@ static ssize_t sta_flags_read(struct fil - char buf[100]; - struct sta_info *sta = file->private_data; - u32 staflags = get_sta_flags(sta); -- int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s", -+ int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s", - staflags & WLAN_STA_AUTH ? "AUTH\n" : "", - staflags & WLAN_STA_ASSOC ? "ASSOC\n" : "", - staflags & WLAN_STA_PS_STA ? "PS (sta)\n" : "", -@@ -67,7 +67,6 @@ static ssize_t sta_flags_read(struct fil - staflags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "", - staflags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "", - staflags & WLAN_STA_WME ? "WME\n" : "", -- staflags & WLAN_STA_WDS ? "WDS\n" : "", - staflags & WLAN_STA_MFP ? "MFP\n" : ""); - return simple_read_from_buffer(userbuf, count, ppos, buf, res); - } +@@ -63,11 +63,11 @@ static ssize_t sta_flags_read(struct fil + test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : "" + + int res = scnprintf(buf, sizeof(buf), +- "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", ++ "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", + TEST(AUTH), TEST(ASSOC), TEST(PS_STA), + TEST(PS_DRIVER), TEST(AUTHORIZED), + TEST(SHORT_PREAMBLE), TEST(ASSOC_AP), +- TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT), ++ TEST(WME), TEST(CLEAR_PS_FILT), + TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL), + TEST(UAPSD), TEST(SP), TEST(TDLS_PEER), + TEST(TDLS_PEER_AUTH)); +--- a/net/mac80211/ht.c ++++ b/net/mac80211/ht.c +@@ -199,6 +199,8 @@ void ieee80211_send_delba(struct ieee802 + memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); + else if (sdata->vif.type == NL80211_IFTYPE_STATION) + memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); ++ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) ++ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN); + + mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_ACTION); +--- a/net/mac80211/ibss.c ++++ b/net/mac80211/ibss.c +@@ -77,6 +77,7 @@ static void __ieee80211_sta_join_ibss(st + struct cfg80211_bss *bss; + u32 bss_change; + u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; ++ enum nl80211_channel_type channel_type; + + lockdep_assert_held(&ifibss->mtx); + +@@ -104,8 +105,16 @@ static void __ieee80211_sta_join_ibss(st + + sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0; + +- local->oper_channel = chan; +- WARN_ON(!ieee80211_set_channel_type(local, sdata, NL80211_CHAN_NO_HT)); ++ channel_type = ifibss->channel_type; ++ if (channel_type > NL80211_CHAN_HT20 && ++ !cfg80211_can_beacon_sec_chan(local->hw.wiphy, chan, channel_type)) ++ channel_type = NL80211_CHAN_HT20; ++ if (!ieee80211_set_channel_type(local, sdata, channel_type)) { ++ /* can only fail due to HT40+/- mismatch */ ++ channel_type = NL80211_CHAN_HT20; ++ WARN_ON(!ieee80211_set_channel_type(local, sdata, ++ NL80211_CHAN_HT20)); ++ } + ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); + + sband = local->hw.wiphy->bands[chan->band]; +@@ -171,6 +180,18 @@ static void __ieee80211_sta_join_ibss(st + memcpy(skb_put(skb, ifibss->ie_len), + ifibss->ie, ifibss->ie_len); + ++ /* add HT capability and information IEs */ ++ if (channel_type && sband->ht_cap.ht_supported) { ++ pos = skb_put(skb, 4 + ++ sizeof(struct ieee80211_ht_cap) + ++ sizeof(struct ieee80211_ht_info)); ++ pos = ieee80211_ie_build_ht_cap(pos, sband, sband->ht_cap.cap); ++ pos = ieee80211_ie_build_ht_info(pos, ++ &sband->ht_cap, ++ chan, ++ channel_type); ++ } ++ + if (local->hw.queues >= 4) { + pos = skb_put(skb, 9); + *pos++ = WLAN_EID_VENDOR_SPECIFIC; +@@ -194,6 +215,7 @@ static void __ieee80211_sta_join_ibss(st + bss_change |= BSS_CHANGED_BEACON; + bss_change |= BSS_CHANGED_BEACON_ENABLED; + bss_change |= BSS_CHANGED_BASIC_RATES; ++ bss_change |= BSS_CHANGED_HT; + bss_change |= BSS_CHANGED_IBSS; + sdata->vif.bss_conf.ibss_joined = true; + ieee80211_bss_info_change_notify(sdata, bss_change); +@@ -266,6 +288,7 @@ static void ieee80211_rx_bss_info(struct + u64 beacon_timestamp, rx_timestamp; + u32 supp_rates = 0; + enum ieee80211_band band = rx_status->band; ++ struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band]; + + if (elems->ds_params && elems->ds_params_len == 1) + freq = ieee80211_channel_to_frequency(elems->ds_params[0], +@@ -275,7 +298,10 @@ static void ieee80211_rx_bss_info(struct + + channel = ieee80211_get_channel(local->hw.wiphy, freq); + +- if (!channel || channel->flags & IEEE80211_CHAN_DISABLED) ++ if (!channel || ++ channel->flags & (IEEE80211_CHAN_DISABLED || ++ IEEE80211_CHAN_NO_IBSS || ++ IEEE80211_CHAN_RADAR)) + return; + + if (sdata->vif.type == NL80211_IFTYPE_ADHOC && +@@ -313,8 +339,41 @@ static void ieee80211_rx_bss_info(struct + GFP_ATOMIC); + } + +- if (sta && elems->wmm_info) +- set_sta_flag(sta, WLAN_STA_WME); ++ if (sta) { ++ if (elems->wmm_info) ++ set_sta_flag(sta, WLAN_STA_WME); ++ ++ /* we both use HT */ ++ if (elems->ht_info_elem && elems->ht_cap_elem && ++ sdata->u.ibss.channel_type) { ++ enum nl80211_channel_type channel_type = ++ ieee80211_ht_info_to_channel_type( ++ elems->ht_info_elem); ++ struct ieee80211_sta_ht_cap sta_ht_cap_new; ++ ++ /* ++ * fall back to HT20 if we don't use or use ++ * the other extension channel ++ */ ++ if (channel_type > NL80211_CHAN_HT20 && ++ channel_type != sdata->u.ibss.channel_type) ++ channel_type = NL80211_CHAN_HT20; ++ ++ ieee80211_ht_cap_ie_to_sta_ht_cap(sband, ++ elems->ht_cap_elem, ++ &sta_ht_cap_new); ++ if (memcmp(&sta->sta.ht_cap, &sta_ht_cap_new, ++ sizeof(sta_ht_cap_new))) { ++ memcpy(&sta->sta.ht_cap, ++ &sta_ht_cap_new, ++ sizeof(sta_ht_cap_new)); ++ rate_control_rate_update(local, sband, ++ sta, ++ IEEE80211_RC_HT_CHANGED, ++ channel_type); ++ } ++ } ++ } + + rcu_read_unlock(); + } +@@ -896,10 +955,15 @@ int ieee80211_ibss_join(struct ieee80211 + struct sk_buff *skb; + + skb = dev_alloc_skb(sdata->local->hw.extra_tx_headroom + +- 36 /* bitrates */ + +- 34 /* SSID */ + +- 3 /* DS params */ + +- 4 /* IBSS params */ + ++ sizeof(struct ieee80211_hdr_3addr) + ++ 12 /* struct ieee80211_mgmt.u.beacon */ + ++ 2 + IEEE80211_MAX_SSID_LEN /* max SSID */ + ++ 2 + 8 /* max Supported Rates */ + ++ 3 /* max DS params */ + ++ 4 /* IBSS params */ + ++ 2 + (IEEE80211_MAX_SUPP_RATES - 8) + ++ 2 + sizeof(struct ieee80211_ht_cap) + ++ 2 + sizeof(struct ieee80211_ht_info) + + params->ie_len); + if (!skb) + return -ENOMEM; +@@ -920,13 +984,15 @@ int ieee80211_ibss_join(struct ieee80211 + sdata->vif.bss_conf.beacon_int = params->beacon_interval; + + sdata->u.ibss.channel = params->channel; ++ sdata->u.ibss.channel_type = params->channel_type; + sdata->u.ibss.fixed_channel = params->channel_fixed; + + /* fix ourselves to that channel now already */ + if (params->channel_fixed) { + sdata->local->oper_channel = params->channel; +- WARN_ON(!ieee80211_set_channel_type(sdata->local, sdata, +- NL80211_CHAN_NO_HT)); ++ if (!ieee80211_set_channel_type(sdata->local, sdata, ++ params->channel_type)) ++ return -EINVAL; + } + + if (params->ie) { +--- a/net/mac80211/ieee80211_i.h ++++ b/net/mac80211/ieee80211_i.h +@@ -465,6 +465,7 @@ struct ieee80211_if_ibss { + u8 ssid_len, ie_len; + u8 *ie; + struct ieee80211_channel *channel; ++ enum nl80211_channel_type channel_type; + + unsigned long ibss_join_req; + /* probe response/beacon for IBSS */ +@@ -1339,6 +1340,12 @@ void ieee80211_recalc_smps(struct ieee80 + size_t ieee80211_ie_split(const u8 *ies, size_t ielen, + const u8 *ids, int n_ids, size_t offset); + size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); ++u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_supported_band *sband, ++ u16 cap); ++u8 *ieee80211_ie_build_ht_info(u8 *pos, ++ struct ieee80211_sta_ht_cap *ht_cap, ++ struct ieee80211_channel *channel, ++ enum nl80211_channel_type channel_type); + + /* internal work items */ + void ieee80211_work_init(struct ieee80211_local *local); +@@ -1367,6 +1374,8 @@ ieee80211_get_channel_mode(struct ieee80 + bool ieee80211_set_channel_type(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + enum nl80211_channel_type chantype); ++enum nl80211_channel_type ++ieee80211_ht_info_to_channel_type(struct ieee80211_ht_info *ht_info); + + #ifdef CONFIG_MAC80211_NOINLINE + #define debug_noinline noinline --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_ @@ -73,8 +306,8 @@ - goto err_del_interface; - } - -- /* no locking required since STA is not live yet */ -- sta->flags |= WLAN_STA_AUTHORIZED; +- /* no atomic bitop required since STA is not live yet */ +- set_sta_flag(sta, WLAN_STA_AUTHORIZED); - - res = sta_info_insert(sta); - if (res) { @@ -98,7 +331,7 @@ err_stop: if (!local->open_count) drv_stop(local); -@@ -718,6 +695,70 @@ static void ieee80211_if_setup(struct ne +@@ -716,6 +693,70 @@ static void ieee80211_if_setup(struct ne dev->destructor = free_netdev; } @@ -155,10 +388,10 @@ + elems.ht_cap_elem, &sta->sta.ht_cap); + + if (elems.wmm_param) -+ set_sta_flags(sta, WLAN_STA_WME); ++ set_sta_flag(sta, WLAN_STA_WME); + + if (new) { -+ sta->flags = WLAN_STA_AUTHORIZED; ++ set_sta_flag(sta, WLAN_STA_AUTHORIZED); + rate_control_rate_init(sta); + sta_info_insert_rcu(sta); + } @@ -169,7 +402,7 @@ static void ieee80211_iface_work(struct work_struct *work) { struct ieee80211_sub_if_data *sdata = -@@ -822,6 +863,9 @@ static void ieee80211_iface_work(struct +@@ -820,6 +861,9 @@ static void ieee80211_iface_work(struct break; ieee80211_mesh_rx_queued_mgmt(sdata, skb); break; @@ -181,17 +414,18 @@ break; --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c -@@ -2160,7 +2160,8 @@ ieee80211_rx_h_action(struct ieee80211_r +@@ -2211,7 +2211,9 @@ ieee80211_rx_h_action(struct ieee80211_r */ if (sdata->vif.type != NL80211_IFTYPE_STATION && sdata->vif.type != NL80211_IFTYPE_AP_VLAN && - sdata->vif.type != NL80211_IFTYPE_AP) + sdata->vif.type != NL80211_IFTYPE_AP && ++ sdata->vif.type != NL80211_IFTYPE_ADHOC && + sdata->vif.type != NL80211_IFTYPE_WDS) break; /* verify action_code is present */ -@@ -2375,13 +2376,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_ +@@ -2426,13 +2428,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_ if (!ieee80211_vif_is_mesh(&sdata->vif) && sdata->vif.type != NL80211_IFTYPE_ADHOC && @@ -208,7 +442,7 @@ break; case cpu_to_le16(IEEE80211_STYPE_DEAUTH): case cpu_to_le16(IEEE80211_STYPE_DISASSOC): -@@ -2724,10 +2726,16 @@ static int prepare_for_handlers(struct i +@@ -2775,10 +2778,16 @@ static int prepare_for_handlers(struct i } break; case NL80211_IFTYPE_WDS: @@ -229,7 +463,7 @@ /* should never get here */ --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h -@@ -31,7 +31,6 @@ +@@ -32,7 +32,6 @@ * frames. * @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP. * @WLAN_STA_WME: Station is a QoS-STA. @@ -237,73 +471,259 @@ * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the * IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next * frame to this station is transmitted. -@@ -54,7 +53,6 @@ enum ieee80211_sta_info_flags { - WLAN_STA_SHORT_PREAMBLE = 1<<4, - WLAN_STA_ASSOC_AP = 1<<5, - WLAN_STA_WME = 1<<6, -- WLAN_STA_WDS = 1<<7, - WLAN_STA_CLEAR_PS_FILT = 1<<9, - WLAN_STA_MFP = 1<<10, - WLAN_STA_BLOCK_BA = 1<<11, ---- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c -+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c -@@ -671,7 +671,7 @@ static int ar9003_hw_process_ini(struct - REG_WRITE_ARRAY(&ah->iniModesAdditional, - modesIndex, regWrites); - -- if (AR_SREV_9300(ah)) -+ if (AR_SREV_9330(ah)) - REG_WRITE_ARRAY(&ah->iniModesAdditional, 1, regWrites); - - if (AR_SREV_9340(ah) && !ah->is_clk_25mhz) ---- a/drivers/net/wireless/ath/ath9k/hw.c -+++ b/drivers/net/wireless/ath/ath9k/hw.c -@@ -997,8 +997,14 @@ void ath9k_hw_init_global_settings(struc - slottime = 21; - sifstime = 64; - } else { -- eifs = REG_READ(ah, AR_D_GBL_IFS_EIFS)/common->clockrate; -- reg = REG_READ(ah, AR_USEC); -+ if (AR_SREV_9287(ah) && AR_SREV_9287_13_OR_LATER(ah)) { -+ eifs = AR_D_GBL_IFS_EIFS_ASYNC_FIFO; -+ reg = AR_USEC_ASYNC_FIFO; -+ } else { -+ eifs = REG_READ(ah, AR_D_GBL_IFS_EIFS)/ -+ common->clockrate; -+ reg = REG_READ(ah, AR_USEC); -+ } - rx_lat = MS(reg, AR_USEC_RX_LAT); - tx_lat = MS(reg, AR_USEC_TX_LAT); - ---- a/drivers/net/wireless/ath/ath9k/reg.h -+++ b/drivers/net/wireless/ath/ath9k/reg.h -@@ -619,6 +619,7 @@ - #define AR_D_GBL_IFS_EIFS 0x10b0 - #define AR_D_GBL_IFS_EIFS_M 0x0000FFFF - #define AR_D_GBL_IFS_EIFS_RESV0 0xFFFF0000 -+#define AR_D_GBL_IFS_EIFS_ASYNC_FIFO 363 - - #define AR_D_GBL_IFS_MISC 0x10f0 - #define AR_D_GBL_IFS_MISC_LFSR_SLICE_SEL 0x00000007 -@@ -1503,6 +1504,7 @@ enum { - #define AR_USEC_TX_LAT_S 14 - #define AR_USEC_RX_LAT 0x1F800000 - #define AR_USEC_RX_LAT_S 23 -+#define AR_USEC_ASYNC_FIFO 0x12E00074 - - #define AR_RESET_TSF 0x8020 - #define AR_RESET_TSF_ONCE 0x01000000 ---- a/drivers/net/wireless/ath/ath9k/xmit.c -+++ b/drivers/net/wireless/ath/ath9k/xmit.c -@@ -582,7 +582,10 @@ static bool ath_lookup_legacy(struct ath - tx_info = IEEE80211_SKB_CB(skb); - rates = tx_info->control.rates; - -- for (i = 3; i >= 0; i--) { -+ for (i = 0; i < 4; i++) { -+ if (!rates[i].count || rates[i].idx < 0) -+ break; +@@ -61,7 +60,6 @@ enum ieee80211_sta_info_flags { + WLAN_STA_SHORT_PREAMBLE, + WLAN_STA_ASSOC_AP, + WLAN_STA_WME, +- WLAN_STA_WDS, + WLAN_STA_CLEAR_PS_FILT, + WLAN_STA_MFP, + WLAN_STA_BLOCK_BA, +--- a/net/mac80211/util.c ++++ b/net/mac80211/util.c +@@ -836,23 +836,8 @@ int ieee80211_build_preq_ies(struct ieee + offset = noffset; + } + +- if (sband->ht_cap.ht_supported) { +- u16 cap = sband->ht_cap.cap; +- __le16 tmp; +- +- *pos++ = WLAN_EID_HT_CAPABILITY; +- *pos++ = sizeof(struct ieee80211_ht_cap); +- memset(pos, 0, sizeof(struct ieee80211_ht_cap)); +- tmp = cpu_to_le16(cap); +- memcpy(pos, &tmp, sizeof(u16)); +- pos += sizeof(u16); +- *pos++ = sband->ht_cap.ampdu_factor | +- (sband->ht_cap.ampdu_density << +- IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT); +- memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs)); +- pos += sizeof(sband->ht_cap.mcs); +- pos += 2 + 4 + 1; /* ext info, BF cap, antsel */ +- } ++ if (sband->ht_cap.ht_supported) ++ pos = ieee80211_ie_build_ht_cap(pos, sband, sband->ht_cap.cap); + + /* + * If adding more here, adjust code in main.c +@@ -1443,3 +1428,100 @@ int ieee80211_add_ext_srates_ie(struct i + } + return 0; + } ++ ++u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_supported_band *sband, ++ u16 cap) ++{ ++ __le16 tmp; ++ ++ *pos++ = WLAN_EID_HT_CAPABILITY; ++ *pos++ = sizeof(struct ieee80211_ht_cap); ++ memset(pos, 0, sizeof(struct ieee80211_ht_cap)); ++ ++ /* capability flags */ ++ tmp = cpu_to_le16(cap); ++ memcpy(pos, &tmp, sizeof(u16)); ++ pos += sizeof(u16); ++ ++ /* AMPDU parameters */ ++ *pos++ = sband->ht_cap.ampdu_factor | ++ (sband->ht_cap.ampdu_density << ++ IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT); ++ ++ /* MCS set */ ++ memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs)); ++ pos += sizeof(sband->ht_cap.mcs); ++ ++ /* extended capabilities */ ++ pos += sizeof(__le16); ++ ++ /* BF capabilities */ ++ pos += sizeof(__le32); ++ ++ /* antenna selection */ ++ pos += sizeof(u8); ++ ++ return pos; ++} ++ ++u8 *ieee80211_ie_build_ht_info(u8 *pos, ++ struct ieee80211_sta_ht_cap *ht_cap, ++ struct ieee80211_channel *channel, ++ enum nl80211_channel_type channel_type) ++{ ++ struct ieee80211_ht_info *ht_info; ++ /* Build HT Information */ ++ *pos++ = WLAN_EID_HT_INFORMATION; ++ *pos++ = sizeof(struct ieee80211_ht_info); ++ ht_info = (struct ieee80211_ht_info *)pos; ++ ht_info->control_chan = ++ ieee80211_frequency_to_channel(channel->center_freq); ++ switch (channel_type) { ++ case NL80211_CHAN_HT40MINUS: ++ ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_BELOW; ++ break; ++ case NL80211_CHAN_HT40PLUS: ++ ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_ABOVE; ++ break; ++ case NL80211_CHAN_HT20: ++ default: ++ ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_NONE; ++ break; ++ } ++ if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) ++ ht_info->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY; ++ ht_info->operation_mode = 0x0000; ++ ht_info->stbc_param = 0x0000; ++ ++ /* It seems that Basic MCS set and Supported MCS set ++ are identical for the first 10 bytes */ ++ memset(&ht_info->basic_set, 0, 16); ++ memcpy(&ht_info->basic_set, &ht_cap->mcs, 10); ++ ++ return pos + sizeof(struct ieee80211_ht_info); ++} + - if (!(rates[i].flags & IEEE80211_TX_RC_MCS)) - return true; ++enum nl80211_channel_type ++ieee80211_ht_info_to_channel_type(struct ieee80211_ht_info *ht_info) ++{ ++ enum nl80211_channel_type channel_type; ++ ++ if (!ht_info) ++ return NL80211_CHAN_NO_HT; ++ ++ switch (ht_info->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) { ++ case IEEE80211_HT_PARAM_CHA_SEC_NONE: ++ channel_type = NL80211_CHAN_HT20; ++ break; ++ case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: ++ channel_type = NL80211_CHAN_HT40PLUS; ++ break; ++ case IEEE80211_HT_PARAM_CHA_SEC_BELOW: ++ channel_type = NL80211_CHAN_HT40MINUS; ++ break; ++ default: ++ channel_type = NL80211_CHAN_NO_HT; ++ } ++ ++ return channel_type; ++} +--- a/net/mac80211/work.c ++++ b/net/mac80211/work.c +@@ -118,7 +118,6 @@ static void ieee80211_add_ht_ie(struct s + u8 *pos; + u32 flags = channel->flags; + u16 cap = sband->ht_cap.cap; +- __le16 tmp; + + if (!sband->ht_cap.ht_supported) + return; +@@ -169,34 +168,8 @@ static void ieee80211_add_ht_ie(struct s + } + + /* reserve and fill IE */ +- + pos = skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2); +- *pos++ = WLAN_EID_HT_CAPABILITY; +- *pos++ = sizeof(struct ieee80211_ht_cap); +- memset(pos, 0, sizeof(struct ieee80211_ht_cap)); +- +- /* capability flags */ +- tmp = cpu_to_le16(cap); +- memcpy(pos, &tmp, sizeof(u16)); +- pos += sizeof(u16); +- +- /* AMPDU parameters */ +- *pos++ = sband->ht_cap.ampdu_factor | +- (sband->ht_cap.ampdu_density << +- IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT); +- +- /* MCS set */ +- memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs)); +- pos += sizeof(sband->ht_cap.mcs); +- +- /* extended capabilities */ +- pos += sizeof(__le16); +- +- /* BF capabilities */ +- pos += sizeof(__le32); +- +- /* antenna selection */ +- pos += sizeof(u8); ++ ieee80211_ie_build_ht_cap(pos, sband, cap); + } + + static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata, +--- a/net/wireless/chan.c ++++ b/net/wireless/chan.c +@@ -44,9 +44,9 @@ rdev_freq_to_chan(struct cfg80211_regist + return chan; + } + +-static bool can_beacon_sec_chan(struct wiphy *wiphy, +- struct ieee80211_channel *chan, +- enum nl80211_channel_type channel_type) ++bool cfg80211_can_beacon_sec_chan(struct wiphy *wiphy, ++ struct ieee80211_channel *chan, ++ enum nl80211_channel_type channel_type) + { + struct ieee80211_channel *sec_chan; + int diff; +@@ -75,6 +75,7 @@ static bool can_beacon_sec_chan(struct w + + return true; + } ++EXPORT_SYMBOL(cfg80211_can_beacon_sec_chan); + + int cfg80211_set_freq(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev, int freq, +@@ -109,8 +110,8 @@ int cfg80211_set_freq(struct cfg80211_re + switch (channel_type) { + case NL80211_CHAN_HT40PLUS: + case NL80211_CHAN_HT40MINUS: +- if (!can_beacon_sec_chan(&rdev->wiphy, chan, +- channel_type)) { ++ if (!cfg80211_can_beacon_sec_chan(&rdev->wiphy, chan, ++ channel_type)) { + printk(KERN_DEBUG + "cfg80211: Secondary channel not " + "allowed to initiate communication\n"); +--- a/net/wireless/nl80211.c ++++ b/net/wireless/nl80211.c +@@ -4574,13 +4574,34 @@ static int nl80211_join_ibss(struct sk_b + ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); } + +- ibss.channel = ieee80211_get_channel(wiphy, +- nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); ++ if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { ++ enum nl80211_channel_type channel_type; ++ ++ channel_type = nla_get_u32( ++ info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); ++ if (channel_type > NL80211_CHAN_HT40PLUS) ++ return -EINVAL; ++ ibss.channel_type = channel_type; ++ } else { ++ ibss.channel_type = NL80211_CHAN_NO_HT; ++ } ++ ++ ibss.channel = rdev_freq_to_chan(rdev, ++ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]), ++ ibss.channel_type); + if (!ibss.channel || ++ ibss.channel->flags & IEEE80211_CHAN_RADAR || + ibss.channel->flags & IEEE80211_CHAN_NO_IBSS || + ibss.channel->flags & IEEE80211_CHAN_DISABLED) + return -EINVAL; + ++ /* Both channels should be able to initiate communication */ ++ if ((ibss.channel_type == NL80211_CHAN_HT40PLUS || ++ ibss.channel_type == NL80211_CHAN_HT40MINUS) && ++ !cfg80211_can_beacon_sec_chan(&rdev->wiphy, ibss.channel, ++ ibss.channel_type)) ++ return -EINVAL; ++ + ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; + ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; +