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authorJohn W. Linville <linville@tuxdriver.com>2008-04-15 20:09:27 +0200
committerJohn W. Linville <linville@tuxdriver.com>2008-04-16 17:42:59 +0200
commit50c4afb99166dc0d2e8a0b063fe83befaa426a44 (patch)
tree8aa6e7ba463bfd286e683b8b5ea0980d46c9953a /net/mac80211/mlme.c
parent[TCP]: Increase the max_burst threshold from 3 to tp->reordering. (diff)
downloadlinux-50c4afb99166dc0d2e8a0b063fe83befaa426a44.tar.xz
linux-50c4afb99166dc0d2e8a0b063fe83befaa426a44.zip
mlme.c: fixup some merge damage
This one got renamed, complicating the merge a bit...this should restore it to its intended state. Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/mlme.c')
-rw-r--r--net/mac80211/mlme.c43
1 files changed, 35 insertions, 8 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index bdaab1391d4e..83e8b497e6db 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -350,14 +350,12 @@ static void ieee80211_sta_wmm_params(struct net_device *dev,
}
}
-
-static u32 ieee80211_handle_erp_ie(struct ieee80211_sub_if_data *sdata,
- u8 erp_value)
+static u32 ieee80211_handle_protect_preamb(struct ieee80211_sub_if_data *sdata,
+ bool use_protection,
+ bool use_short_preamble)
{
struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
struct ieee80211_if_sta *ifsta = &sdata->u.sta;
- bool use_protection = (erp_value & WLAN_ERP_USE_PROTECTION) != 0;
- bool use_short_preamble = (erp_value & WLAN_ERP_BARKER_PREAMBLE) == 0;
DECLARE_MAC_BUF(mac);
u32 changed = 0;
@@ -388,6 +386,32 @@ static u32 ieee80211_handle_erp_ie(struct ieee80211_sub_if_data *sdata,
return changed;
}
+static u32 ieee80211_handle_erp_ie(struct ieee80211_sub_if_data *sdata,
+ u8 erp_value)
+{
+ bool use_protection = (erp_value & WLAN_ERP_USE_PROTECTION) != 0;
+ bool use_short_preamble = (erp_value & WLAN_ERP_BARKER_PREAMBLE) == 0;
+
+ return ieee80211_handle_protect_preamb(sdata,
+ use_protection, use_short_preamble);
+}
+
+static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_sta_bss *bss)
+{
+ u32 changed = 0;
+
+ if (bss->has_erp_value)
+ changed |= ieee80211_handle_erp_ie(sdata, bss->erp_value);
+ else {
+ u16 capab = bss->capability;
+ changed |= ieee80211_handle_protect_preamb(sdata, false,
+ (capab & WLAN_CAPABILITY_SHORT_PREAMBLE) != 0);
+ }
+
+ return changed;
+}
+
int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie,
struct ieee80211_ht_info *ht_info)
{
@@ -511,9 +535,7 @@ static void ieee80211_set_associated(struct net_device *dev,
sdata->bss_conf.beacon_int = bss->beacon_int;
sdata->bss_conf.timestamp = bss->timestamp;
- if (bss->has_erp_value)
- changed |= ieee80211_handle_erp_ie(
- sdata, bss->erp_value);
+ changed |= ieee80211_handle_bss_capability(sdata, bss);
ieee80211_rx_bss_put(dev, bss);
}
@@ -2777,6 +2799,11 @@ static void ieee80211_rx_mgmt_beacon(struct net_device *dev,
if (elems.erp_info && elems.erp_info_len >= 1)
changed |= ieee80211_handle_erp_ie(sdata, elems.erp_info[0]);
+ else {
+ u16 capab = le16_to_cpu(mgmt->u.beacon.capab_info);
+ changed |= ieee80211_handle_protect_preamb(sdata, false,
+ (capab & WLAN_CAPABILITY_SHORT_PREAMBLE) != 0);
+ }
if (elems.ht_cap_elem && elems.ht_info_elem &&
elems.wmm_param && conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {