From: Felix Fietkau <nbd@openwrt.org>
Date: Thu, 12 Nov 2009 14:15:13 +0000 (+0000)
Subject: hostapd: fix endian bugs in STA HT capability handling
X-Git-Tag: reboot~21895
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=2913dec9f14ba85e3e580e22eabb75a5da9611d6;p=oweals%2Fopenwrt.git

hostapd: fix endian bugs in STA HT capability handling

SVN-Revision: 18405
---

diff --git a/package/hostapd/patches/150-ht_cap_endian.patch b/package/hostapd/patches/150-ht_cap_endian.patch
new file mode 100644
index 0000000000..d8f3856eed
--- /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 */
+