mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-09-12 17:12:25 +03:00
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28093 3c298f89-4303-0410-b956-a3cf2f4a3e73
721 lines
24 KiB
Diff
721 lines
24 KiB
Diff
--- a/include/net/cfg80211.h
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+++ b/include/net/cfg80211.h
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@@ -1085,6 +1085,7 @@ struct cfg80211_ibss_params {
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u8 *ssid;
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u8 *bssid;
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struct ieee80211_channel *channel;
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+ enum nl80211_channel_type channel_type;
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u8 *ie;
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u8 ssid_len, ie_len;
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u16 beacon_interval;
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@@ -2584,6 +2585,12 @@ struct cfg80211_bss *cfg80211_get_bss(st
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const u8 *bssid,
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const u8 *ssid, size_t ssid_len,
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u16 capa_mask, u16 capa_val);
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+struct cfg80211_bss *cfg80211_get_bss_ht(struct wiphy *wiphy,
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+ struct ieee80211_channel *channel,
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+ const u8 *bssid,
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+ const u8 *ssid, size_t ssid_len,
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+ u16 capa_mask, u16 capa_val,
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+ enum nl80211_channel_type channel_type);
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static inline struct cfg80211_bss *
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cfg80211_get_ibss(struct wiphy *wiphy,
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struct ieee80211_channel *channel,
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--- a/net/wireless/nl80211.c
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+++ b/net/wireless/nl80211.c
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@@ -4470,13 +4470,41 @@ static int nl80211_join_ibss(struct sk_b
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ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
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}
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- ibss.channel = ieee80211_get_channel(wiphy,
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- nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
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+ if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
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+ enum nl80211_channel_type channel_type;
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+
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+ channel_type = nla_get_u32(
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+ info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
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+ if (channel_type != NL80211_CHAN_NO_HT &&
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+ channel_type != NL80211_CHAN_HT20 &&
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+ channel_type != NL80211_CHAN_HT40PLUS &&
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+ channel_type != NL80211_CHAN_HT40MINUS)
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+ return -EINVAL;
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+ ibss.channel_type = channel_type;
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+ } else {
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+ ibss.channel_type = NL80211_CHAN_NO_HT;
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+ }
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+
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+ ibss.channel = rdev_freq_to_chan(rdev,
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+ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]),
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+ ibss.channel_type);
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if (!ibss.channel ||
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+ ibss.channel->flags & IEEE80211_CHAN_PASSIVE_SCAN ||
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ibss.channel->flags & IEEE80211_CHAN_NO_IBSS ||
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- ibss.channel->flags & IEEE80211_CHAN_DISABLED)
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+ ibss.channel->flags & IEEE80211_CHAN_RADAR)
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return -EINVAL;
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+ /* Both channels should be able to initiate communication */
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+ if ((ibss.channel_type == NL80211_CHAN_HT40PLUS ||
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+ ibss.channel_type == NL80211_CHAN_HT40MINUS) &&
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+ !can_beacon_sec_chan(&rdev->wiphy, ibss.channel,
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+ ibss.channel_type)) {
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+ printk(KERN_DEBUG
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+ "cfg80211: Secondary channel not "
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+ "allowed to initiate communication\n");
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+ return -EINVAL;
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+ }
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+
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ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
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ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
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--- a/net/wireless/chan.c
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+++ b/net/wireless/chan.c
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@@ -44,7 +44,7 @@ rdev_freq_to_chan(struct cfg80211_regist
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return chan;
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}
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-static bool can_beacon_sec_chan(struct wiphy *wiphy,
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+bool can_beacon_sec_chan(struct wiphy *wiphy,
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struct ieee80211_channel *chan,
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enum nl80211_channel_type channel_type)
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{
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@@ -75,6 +75,7 @@ static bool can_beacon_sec_chan(struct w
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return true;
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}
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+EXPORT_SYMBOL(can_beacon_sec_chan);
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int cfg80211_set_freq(struct cfg80211_registered_device *rdev,
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struct wireless_dev *wdev, int freq,
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--- a/net/wireless/core.h
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+++ b/net/wireless/core.h
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@@ -441,6 +441,9 @@ cfg80211_can_add_interface(struct cfg802
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struct ieee80211_channel *
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rdev_freq_to_chan(struct cfg80211_registered_device *rdev,
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int freq, enum nl80211_channel_type channel_type);
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+bool can_beacon_sec_chan(struct wiphy *wiphy,
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+ struct ieee80211_channel *chan,
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+ enum nl80211_channel_type channel_type);
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int cfg80211_set_freq(struct cfg80211_registered_device *rdev,
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struct wireless_dev *wdev, int freq,
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enum nl80211_channel_type channel_type);
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--- a/net/wireless/scan.c
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+++ b/net/wireless/scan.c
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@@ -365,6 +365,19 @@ struct cfg80211_bss *cfg80211_get_bss(st
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const u8 *ssid, size_t ssid_len,
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u16 capa_mask, u16 capa_val)
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{
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+ /* call HT version with no HT requirements */
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+ return cfg80211_get_bss_ht(wiphy, channel, bssid, ssid, ssid_len,
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+ capa_mask, capa_val, NL80211_CHAN_NO_HT);
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+}
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+EXPORT_SYMBOL(cfg80211_get_bss);
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+
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+struct cfg80211_bss *cfg80211_get_bss_ht(struct wiphy *wiphy,
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+ struct ieee80211_channel *channel,
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+ const u8 *bssid,
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+ const u8 *ssid, size_t ssid_len,
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+ u16 capa_mask, u16 capa_val,
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+ enum nl80211_channel_type require_ht)
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+{
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struct cfg80211_registered_device *dev = wiphy_to_dev(wiphy);
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struct cfg80211_internal_bss *bss, *res = NULL;
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unsigned long now = jiffies;
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@@ -374,8 +387,26 @@ struct cfg80211_bss *cfg80211_get_bss(st
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list_for_each_entry(bss, &dev->bss_list, list) {
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if ((bss->pub.capability & capa_mask) != capa_val)
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continue;
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- if (channel && bss->pub.channel != channel)
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- continue;
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+ if (channel) {
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+ if (bss->pub.channel != channel)
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+ continue;
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+ if (require_ht != NL80211_CHAN_NO_HT) {
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+ struct ieee80211_ht_info *ht_info;
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+ ht_info = (struct ieee80211_ht_info *)
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+ ieee80211_bss_get_ie(&bss->pub,
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+ WLAN_EID_HT_INFORMATION);
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+ if (!ht_info)
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+ continue;
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+ if (require_ht == NL80211_CHAN_HT40MINUS &&
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+ !(ht_info->ht_param &
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+ IEEE80211_HT_PARAM_CHA_SEC_BELOW))
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+ continue;
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+ if (require_ht == NL80211_CHAN_HT40PLUS &&
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+ !(ht_info->ht_param &
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+ IEEE80211_HT_PARAM_CHA_SEC_ABOVE))
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+ continue;
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+ }
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+ }
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/* Don't get expired BSS structs */
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if (time_after(now, bss->ts + IEEE80211_SCAN_RESULT_EXPIRE) &&
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!atomic_read(&bss->hold))
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@@ -392,7 +423,7 @@ struct cfg80211_bss *cfg80211_get_bss(st
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return NULL;
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return &res->pub;
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}
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-EXPORT_SYMBOL(cfg80211_get_bss);
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+EXPORT_SYMBOL(cfg80211_get_bss_ht);
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struct cfg80211_bss *cfg80211_get_mesh(struct wiphy *wiphy,
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struct ieee80211_channel *channel,
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--- a/net/mac80211/ieee80211_i.h
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+++ b/net/mac80211/ieee80211_i.h
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@@ -464,6 +464,7 @@ struct ieee80211_if_ibss {
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u8 ssid_len, ie_len;
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u8 *ie;
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struct ieee80211_channel *channel;
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+ enum nl80211_channel_type channel_type;
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unsigned long ibss_join_req;
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/* probe response/beacon for IBSS */
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@@ -1089,6 +1090,7 @@ void ieee80211_ibss_notify_scan_complete
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void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata);
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struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
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u8 *bssid, u8 *addr, u32 supp_rates,
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+ struct ieee80211_ht_cap *ht_cap,
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gfp_t gfp);
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int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
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struct cfg80211_ibss_params *params);
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@@ -1343,6 +1345,12 @@ void ieee80211_recalc_smps(struct ieee80
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size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
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const u8 *ids, int n_ids, size_t offset);
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size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset);
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+u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_supported_band *sband,
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+ u16 cap);
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+u8 *ieee80211_ie_build_ht_info(u8 *pos,
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+ struct ieee80211_sta_ht_cap *ht_cap,
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+ struct ieee80211_channel *channel,
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+ enum nl80211_channel_type channel_type);
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/* internal work items */
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void ieee80211_work_init(struct ieee80211_local *local);
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@@ -1371,6 +1379,8 @@ ieee80211_get_channel_mode(struct ieee80
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bool ieee80211_set_channel_type(struct ieee80211_local *local,
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struct ieee80211_sub_if_data *sdata,
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enum nl80211_channel_type chantype);
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+enum nl80211_channel_type ieee80211_ht_info_to_channel_type(
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+ struct ieee80211_ht_info *ht_info);
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#ifdef CONFIG_MAC80211_NOINLINE
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#define debug_noinline noinline
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--- a/net/mac80211/util.c
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+++ b/net/mac80211/util.c
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@@ -841,23 +841,8 @@ int ieee80211_build_preq_ies(struct ieee
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offset = noffset;
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}
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- if (sband->ht_cap.ht_supported) {
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- u16 cap = sband->ht_cap.cap;
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- __le16 tmp;
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-
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- *pos++ = WLAN_EID_HT_CAPABILITY;
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- *pos++ = sizeof(struct ieee80211_ht_cap);
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- memset(pos, 0, sizeof(struct ieee80211_ht_cap));
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- tmp = cpu_to_le16(cap);
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- memcpy(pos, &tmp, sizeof(u16));
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- pos += sizeof(u16);
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- *pos++ = sband->ht_cap.ampdu_factor |
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- (sband->ht_cap.ampdu_density <<
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- IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT);
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- memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs));
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- pos += sizeof(sband->ht_cap.mcs);
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- pos += 2 + 4 + 1; /* ext info, BF cap, antsel */
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- }
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+ if (sband->ht_cap.ht_supported)
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+ pos = ieee80211_ie_build_ht_cap(pos, sband, sband->ht_cap.cap);
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/*
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* If adding more here, adjust code in main.c
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@@ -1381,3 +1366,100 @@ void ieee80211_disable_rssi_reports(stru
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_ieee80211_enable_rssi_reports(sdata, 0, 0);
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}
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EXPORT_SYMBOL(ieee80211_disable_rssi_reports);
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+
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+u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_supported_band *sband,
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+ u16 cap)
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+{
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+ __le16 tmp;
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+
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+ *pos++ = WLAN_EID_HT_CAPABILITY;
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+ *pos++ = sizeof(struct ieee80211_ht_cap);
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+ memset(pos, 0, sizeof(struct ieee80211_ht_cap));
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+
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+ /* capability flags */
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+ tmp = cpu_to_le16(cap);
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+ memcpy(pos, &tmp, sizeof(u16));
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+ pos += sizeof(u16);
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+
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+ /* AMPDU parameters */
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+ *pos++ = sband->ht_cap.ampdu_factor |
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+ (sband->ht_cap.ampdu_density <<
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+ IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT);
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+
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+ /* MCS set */
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+ memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs));
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+ pos += sizeof(sband->ht_cap.mcs);
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+
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+ /* extended capabilities */
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+ pos += sizeof(__le16);
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+
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+ /* BF capabilities */
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+ pos += sizeof(__le32);
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+
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+ /* antenna selection */
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+ pos += sizeof(u8);
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+
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+ return pos;
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+}
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+
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+u8 *ieee80211_ie_build_ht_info(u8 *pos,
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+ struct ieee80211_sta_ht_cap *ht_cap,
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+ struct ieee80211_channel *channel,
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+ enum nl80211_channel_type channel_type)
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+{
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+ struct ieee80211_ht_info *ht_info;
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+ /* Build HT Information */
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+ *pos++ = WLAN_EID_HT_INFORMATION;
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+ *pos++ = sizeof(struct ieee80211_ht_info);
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+ ht_info = (struct ieee80211_ht_info *)pos;
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+ ht_info->control_chan =
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+ ieee80211_frequency_to_channel(channel->center_freq);
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+ switch (channel_type) {
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+ case NL80211_CHAN_HT40MINUS:
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+ ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
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+ break;
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+ case NL80211_CHAN_HT40PLUS:
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+ ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
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+ break;
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+ case NL80211_CHAN_HT20:
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+ default:
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+ ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_NONE;
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+ break;
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+ }
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+ if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
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+ ht_info->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
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+ ht_info->operation_mode = 0x0000;
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+ ht_info->stbc_param = 0x0000;
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+
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+ /* It seems that Basic MCS set and Supported MCS set
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+ are identical for the first 10 bytes */
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+ memset(&ht_info->basic_set, 0, 16);
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+ memcpy(&ht_info->basic_set, &ht_cap->mcs, 10);
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+
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+ return pos + sizeof(struct ieee80211_ht_info);
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+}
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+
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+enum nl80211_channel_type ieee80211_ht_info_to_channel_type(
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+ struct ieee80211_ht_info *ht_info)
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+{
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+ enum nl80211_channel_type channel_type;
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+
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+ if (!ht_info)
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+ return NL80211_CHAN_NO_HT;
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+
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+ switch (ht_info->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
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+ case IEEE80211_HT_PARAM_CHA_SEC_NONE:
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+ channel_type = NL80211_CHAN_HT20;
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+ break;
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+ case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
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+ channel_type = NL80211_CHAN_HT40PLUS;
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+ break;
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+ case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
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+ channel_type = NL80211_CHAN_HT40MINUS;
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+ break;
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+ default:
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+ channel_type = NL80211_CHAN_NO_HT;
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+ }
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+
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+ return channel_type;
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+}
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--- a/net/mac80211/work.c
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+++ b/net/mac80211/work.c
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@@ -118,7 +118,6 @@ static void ieee80211_add_ht_ie(struct s
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u8 *pos;
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u32 flags = channel->flags;
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u16 cap = sband->ht_cap.cap;
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- __le16 tmp;
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if (!sband->ht_cap.ht_supported)
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return;
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@@ -169,34 +168,8 @@ static void ieee80211_add_ht_ie(struct s
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}
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/* reserve and fill IE */
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-
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pos = skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2);
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- *pos++ = WLAN_EID_HT_CAPABILITY;
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- *pos++ = sizeof(struct ieee80211_ht_cap);
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- memset(pos, 0, sizeof(struct ieee80211_ht_cap));
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-
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- /* capability flags */
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- tmp = cpu_to_le16(cap);
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- memcpy(pos, &tmp, sizeof(u16));
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- pos += sizeof(u16);
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-
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- /* AMPDU parameters */
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- *pos++ = sband->ht_cap.ampdu_factor |
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- (sband->ht_cap.ampdu_density <<
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- IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT);
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-
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- /* MCS set */
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- memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs));
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- pos += sizeof(sband->ht_cap.mcs);
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-
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- /* extended capabilities */
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- pos += sizeof(__le16);
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-
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- /* BF capabilities */
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- pos += sizeof(__le32);
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-
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- /* antenna selection */
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- pos += sizeof(u8);
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+ ieee80211_ie_build_ht_cap(pos, sband, cap);
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}
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static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
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--- a/net/mac80211/agg-tx.c
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+++ b/net/mac80211/agg-tx.c
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@@ -84,6 +84,8 @@ static void ieee80211_send_addba_request
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memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
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else if (sdata->vif.type == NL80211_IFTYPE_STATION)
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memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
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+ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
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+ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
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mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
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IEEE80211_STYPE_ACTION);
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@@ -400,7 +402,8 @@ int ieee80211_start_tx_ba_session(struct
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if (sdata->vif.type != NL80211_IFTYPE_STATION &&
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sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
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sdata->vif.type != NL80211_IFTYPE_AP &&
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- sdata->vif.type != NL80211_IFTYPE_WDS)
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+ sdata->vif.type != NL80211_IFTYPE_WDS &&
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+ sdata->vif.type != NL80211_IFTYPE_ADHOC)
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return -EINVAL;
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if (test_sta_flags(sta, WLAN_STA_BLOCK_BA)) {
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--- a/net/mac80211/ht.c
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+++ b/net/mac80211/ht.c
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@@ -203,6 +203,8 @@ void ieee80211_send_delba(struct ieee802
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memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
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else if (sdata->vif.type == NL80211_IFTYPE_STATION)
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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
|
|
@@ -35,6 +35,76 @@
|
|
|
|
#define IEEE80211_IBSS_MAX_STA_ENTRIES 128
|
|
|
|
+static bool ieee80211_can_use_ext_chan(struct ieee80211_sub_if_data *sdata,
|
|
+ struct ieee80211_channel *channel,
|
|
+ enum nl80211_channel_type channel_type)
|
|
+{
|
|
+ /* check if we are legally allowed to use HT extension channel */
|
|
+ if ((channel_type == NL80211_CHAN_HT40PLUS) ||
|
|
+ (channel_type == NL80211_CHAN_HT40MINUS)) {
|
|
+ int sec_freq = channel->center_freq +
|
|
+ (channel_type == NL80211_CHAN_HT40PLUS ? 20 : -20);
|
|
+ struct ieee80211_channel *sec_chan =
|
|
+ ieee80211_get_channel(sdata->wdev.wiphy, sec_freq);
|
|
+ if (!sec_chan || sec_chan->flags & (IEEE80211_CHAN_DISABLED |
|
|
+ IEEE80211_CHAN_PASSIVE_SCAN |
|
|
+ IEEE80211_CHAN_NO_IBSS |
|
|
+ IEEE80211_CHAN_RADAR)) {
|
|
+ return false;
|
|
+ }
|
|
+ }
|
|
+ return true;
|
|
+}
|
|
+
|
|
+static void ieee80211_update_ht_elems(struct ieee80211_sub_if_data *sdata,
|
|
+ struct ieee80211_mgmt *mgmt,
|
|
+ struct ieee80211_ht_info *ht_info)
|
|
+{
|
|
+ struct ieee80211_local *local = sdata->local;
|
|
+ struct ieee80211_supported_band *sband =
|
|
+ local->hw.wiphy->bands[local->oper_channel->band];
|
|
+ enum nl80211_channel_type channel_type =
|
|
+ ieee80211_ht_info_to_channel_type(ht_info);
|
|
+
|
|
+ if (!ieee80211_can_use_ext_chan(sdata, local->oper_channel, channel_type))
|
|
+ channel_type = NL80211_CHAN_HT20;
|
|
+
|
|
+ if (channel_type != local->_oper_channel_type) {
|
|
+ struct sk_buff *skb = rcu_dereference_protected(
|
|
+ sdata->u.ibss.presp,
|
|
+ lockdep_is_held(&ifibss->mtx));
|
|
+ struct sk_buff *nskb;
|
|
+ u8 *ht_ie;
|
|
+
|
|
+ /* update HT IE. If not yet existing, create one */
|
|
+ nskb = skb_copy(skb, GFP_ATOMIC);
|
|
+ ht_ie = (u8 *)cfg80211_find_ie(WLAN_EID_HT_CAPABILITY,
|
|
+ (const u8 *)(nskb->data + 24 +
|
|
+ sizeof(mgmt->u.beacon)),
|
|
+ nskb->len - 24 -
|
|
+ sizeof(mgmt->u.beacon));
|
|
+ if (!ht_ie)
|
|
+ ht_ie = skb_put(nskb, 4 +
|
|
+ sizeof(struct ieee80211_ht_cap) +
|
|
+ sizeof(struct ieee80211_ht_info));
|
|
+
|
|
+ ht_ie = ieee80211_ie_build_ht_cap(ht_ie, sband,
|
|
+ sband->ht_cap.cap);
|
|
+ ht_ie = ieee80211_ie_build_ht_info(ht_ie, &sband->ht_cap,
|
|
+ local->oper_channel, channel_type);
|
|
+ rcu_assign_pointer(sdata->u.ibss.presp, nskb);
|
|
+ kfree_skb(skb);
|
|
+
|
|
+ if(!ieee80211_set_channel_type(local, sdata, channel_type)) {
|
|
+ channel_type = NL80211_CHAN_HT20;
|
|
+ WARN_ON(!ieee80211_set_channel_type(local, sdata,
|
|
+ channel_type));
|
|
+ }
|
|
+
|
|
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
|
|
+ }
|
|
+
|
|
+}
|
|
|
|
static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata,
|
|
struct ieee80211_mgmt *mgmt,
|
|
@@ -64,6 +134,7 @@ static void ieee80211_rx_mgmt_auth_ibss(
|
|
static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
|
|
const u8 *bssid, const int beacon_int,
|
|
struct ieee80211_channel *chan,
|
|
+ enum nl80211_channel_type channel_type,
|
|
const u32 basic_rates,
|
|
const u16 capability, u64 tsf)
|
|
{
|
|
@@ -104,8 +175,17 @@ static void __ieee80211_sta_join_ibss(st
|
|
|
|
sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0;
|
|
|
|
+ /* entering a legacy IBSS. Use given HT configuration. */
|
|
+ if (channel_type == NL80211_CHAN_NO_HT)
|
|
+ channel_type = ifibss->channel_type;
|
|
local->oper_channel = chan;
|
|
- WARN_ON(!ieee80211_set_channel_type(local, sdata, NL80211_CHAN_NO_HT));
|
|
+
|
|
+ /* if phy is on a different extension channel, setting ht40 will fail */
|
|
+ if (!ieee80211_set_channel_type(local, sdata, channel_type)) {
|
|
+ channel_type = NL80211_CHAN_HT20;
|
|
+ WARN_ON(!ieee80211_set_channel_type(local, sdata,
|
|
+ channel_type));
|
|
+ }
|
|
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
|
|
|
|
sband = local->hw.wiphy->bands[chan->band];
|
|
@@ -171,6 +251,18 @@ 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 != NL80211_CHAN_NO_HT && 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;
|
|
@@ -219,6 +311,8 @@ static void ieee80211_sta_join_ibss(stru
|
|
u32 basic_rates;
|
|
int i, j;
|
|
u16 beacon_int = cbss->beacon_interval;
|
|
+ const u8 *ht_info_ie;
|
|
+ enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
|
|
|
|
lockdep_assert_held(&sdata->u.ibss.mtx);
|
|
|
|
@@ -242,9 +336,23 @@ static void ieee80211_sta_join_ibss(stru
|
|
}
|
|
}
|
|
|
|
+ ht_info_ie = ieee80211_bss_get_ie(cbss, WLAN_EID_HT_INFORMATION);
|
|
+ if (ht_info_ie)
|
|
+ channel_type = ieee80211_ht_info_to_channel_type(
|
|
+ (struct ieee80211_ht_info *) (ht_info_ie + 2));
|
|
+
|
|
+ if (!ieee80211_can_use_ext_chan(sdata, cbss->channel, channel_type)) {
|
|
+ channel_type = NL80211_CHAN_HT20;
|
|
+#ifdef CONFIG_MAC80211_IBSS_DEBUG
|
|
+ printk(KERN_DEBUG "%s: IBSS not allowed on secondary channel\n",
|
|
+ sdata->name);
|
|
+#endif
|
|
+ }
|
|
+
|
|
__ieee80211_sta_join_ibss(sdata, cbss->bssid,
|
|
beacon_int,
|
|
cbss->channel,
|
|
+ channel_type,
|
|
basic_rates,
|
|
cbss->capability,
|
|
cbss->tsf);
|
|
@@ -310,11 +418,24 @@ static void ieee80211_rx_bss_info(struct
|
|
} else
|
|
sta = ieee80211_ibss_add_sta(sdata, mgmt->bssid,
|
|
mgmt->sa, supp_rates,
|
|
- GFP_ATOMIC);
|
|
+ elems->ht_cap_elem, GFP_ATOMIC);
|
|
}
|
|
|
|
- if (sta && elems->wmm_info)
|
|
- set_sta_flags(sta, WLAN_STA_WME);
|
|
+ if (sta) {
|
|
+ if (elems->wmm_info)
|
|
+ set_sta_flags(sta, WLAN_STA_WME);
|
|
+
|
|
+ /* remote station uses ht */
|
|
+ if (elems->ht_info_elem) {
|
|
+ ieee80211_update_ht_elems(sdata, mgmt,
|
|
+ elems->ht_info_elem);
|
|
+ ieee80211_ht_cap_ie_to_sta_ht_cap(
|
|
+ local->hw.wiphy->bands[
|
|
+ local->oper_channel->band],
|
|
+ elems->ht_cap_elem,
|
|
+ &sta->sta.ht_cap);
|
|
+ }
|
|
+ }
|
|
|
|
rcu_read_unlock();
|
|
}
|
|
@@ -404,7 +525,7 @@ static void ieee80211_rx_bss_info(struct
|
|
ieee80211_sta_join_ibss(sdata, bss);
|
|
supp_rates = ieee80211_sta_get_rates(local, elems, band);
|
|
ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa,
|
|
- supp_rates, GFP_KERNEL);
|
|
+ supp_rates, elems->ht_cap_elem, GFP_KERNEL);
|
|
}
|
|
|
|
put_bss:
|
|
@@ -417,7 +538,8 @@ static void ieee80211_rx_bss_info(struct
|
|
* must be callable in atomic context.
|
|
*/
|
|
struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
|
|
- u8 *bssid,u8 *addr, u32 supp_rates,
|
|
+ u8 *bssid, u8 *addr, u32 supp_rates,
|
|
+ struct ieee80211_ht_cap *ht_cap,
|
|
gfp_t gfp)
|
|
{
|
|
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
|
|
@@ -458,6 +580,11 @@ struct sta_info *ieee80211_ibss_add_sta(
|
|
sta->sta.supp_rates[band] = supp_rates |
|
|
ieee80211_mandatory_rates(local, band);
|
|
|
|
+ /* fill in ht rates */
|
|
+ if (ht_cap)
|
|
+ ieee80211_ht_cap_ie_to_sta_ht_cap(local->hw.wiphy->bands[band],
|
|
+ ht_cap, &sta->sta.ht_cap);
|
|
+
|
|
rate_control_rate_init(sta);
|
|
|
|
/* If it fails, maybe we raced another insertion? */
|
|
@@ -556,8 +683,8 @@ static void ieee80211_sta_create_ibss(st
|
|
sdata->drop_unencrypted = 0;
|
|
|
|
__ieee80211_sta_join_ibss(sdata, bssid, sdata->vif.bss_conf.beacon_int,
|
|
- ifibss->channel, ifibss->basic_rates,
|
|
- capability, 0);
|
|
+ ifibss->channel, ifibss->channel_type,
|
|
+ ifibss->basic_rates, capability, 0);
|
|
}
|
|
|
|
/*
|
|
@@ -594,10 +721,10 @@ static void ieee80211_sta_find_ibss(stru
|
|
chan = ifibss->channel;
|
|
if (!is_zero_ether_addr(ifibss->bssid))
|
|
bssid = ifibss->bssid;
|
|
- cbss = cfg80211_get_bss(local->hw.wiphy, chan, bssid,
|
|
+ cbss = cfg80211_get_bss_ht(local->hw.wiphy, chan, bssid,
|
|
ifibss->ssid, ifibss->ssid_len,
|
|
WLAN_CAPABILITY_IBSS | WLAN_CAPABILITY_PRIVACY,
|
|
- capability);
|
|
+ capability, ifibss->channel_type);
|
|
|
|
if (cbss) {
|
|
struct ieee80211_bss *bss;
|
|
@@ -896,10 +1023,15 @@ 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 +1052,15 @@ 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/rx.c
|
|
+++ b/net/mac80211/rx.c
|
|
@@ -2161,7 +2161,8 @@ 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_WDS)
|
|
+ sdata->vif.type != NL80211_IFTYPE_WDS &&
|
|
+ sdata->vif.type != NL80211_IFTYPE_ADHOC)
|
|
break;
|
|
|
|
/* verify action_code is present */
|
|
@@ -2696,7 +2697,8 @@ static int prepare_for_handlers(struct i
|
|
else
|
|
rate_idx = status->rate_idx;
|
|
rx->sta = ieee80211_ibss_add_sta(sdata, bssid,
|
|
- hdr->addr2, BIT(rate_idx), GFP_ATOMIC);
|
|
+ hdr->addr2, BIT(rate_idx), NULL,
|
|
+ GFP_ATOMIC);
|
|
}
|
|
break;
|
|
case NL80211_IFTYPE_MESH_POINT:
|
|
--- a/net/mac80211/agg-rx.c
|
|
+++ b/net/mac80211/agg-rx.c
|
|
@@ -186,6 +186,8 @@ static void ieee80211_send_addba_resp(st
|
|
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);
|