hostapd: fix endian bugs in STA HT capability handling

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18405 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/hostapd/patches/150-ht_cap_endian.patch b/package/hostapd/patches/150-ht_cap_endian.patch
new file mode 100644 (file)
index 0000000..d8f3856
--- /dev/null
+++ b/package/hostapd/patches/150-ht_cap_endian.patch
@@ -0,0 +1,33 @@
+--- a/hostapd/ieee802_11.c
++++ b/hostapd/ieee802_11.c
+@@ -1586,24 +1586,16 @@ hostapd_get_ht_capab(struct hostapd_data
+                    struct ht_cap_ie *ht_cap_ie,
+                    struct ht_cap_ie *neg_ht_cap_ie)
+ {
++      u16 cap;
+ 
+       os_memcpy(neg_ht_cap_ie, ht_cap_ie, sizeof(struct ht_cap_ie));
+-      neg_ht_cap_ie->data.capabilities_info =
+-              ht_cap_ie->data.capabilities_info & hapd->iconf->ht_capab;
+-
+-      neg_ht_cap_ie->data.capabilities_info &= ~HT_CAP_INFO_SMPS_DISABLED;
+-      if ((ht_cap_ie->data.capabilities_info & HT_CAP_INFO_SMPS_DISABLED) ==
+-          (hapd->iconf->ht_capab & HT_CAP_INFO_SMPS_DISABLED))
+-              neg_ht_cap_ie->data.capabilities_info |=
+-                      hapd->iconf->ht_capab & HT_CAP_INFO_SMPS_DISABLED;
+-      else
+-              neg_ht_cap_ie->data.capabilities_info |=
+-                      HT_CAP_INFO_SMPS_DISABLED;
++      cap = le_to_host16(neg_ht_cap_ie->data.capabilities_info);
++      cap &= hapd->iconf->ht_capab;
++      cap |= (hapd->iconf->ht_capab & HT_CAP_INFO_SMPS_DISABLED);
+ 
+       /* FIXME: Rx STBC needs to be handled specially */
+-      neg_ht_cap_ie->data.capabilities_info &= ~HT_CAP_INFO_RX_STBC_MASK;
+-      neg_ht_cap_ie->data.capabilities_info |=
+-              hapd->iconf->ht_capab & HT_CAP_INFO_RX_STBC_MASK;
++      cap |= (hapd->iconf->ht_capab & HT_CAP_INFO_RX_STBC_MASK);
++      neg_ht_cap_ie->data.capabilities_info = host_to_le16(cap);
+ }
+ #endif /* CONFIG_IEEE80211N */
+