X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=include%2Flinux%2Fieee80211.h;h=c27cb7ec229a31a17b00bad3d42d722ee6b4010e;hb=b229f44954d3e8725c6869a2877562a8bb9697d4;hp=95d219041ae7a24bd0ef66c04b369f70d7d9eda9;hpb=8fb6c6a378cbfa6b11c20f555c4b710f6aebe3fb;p=carl9170fw.git

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 95d2190..c27cb7e 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -4819,6 +4819,39 @@ static inline bool ieee80211_mle_basic_sta_prof_size_ok(const u8 *data,
 	       fixed + prof->sta_info_len <= len;
 }
 
+#define IEEE80211_MLE_STA_RECONF_CONTROL_LINK_ID			0x000f
+#define IEEE80211_MLE_STA_RECONF_CONTROL_COMPLETE_PROFILE		0x0010
+#define IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT		0x0020
+#define IEEE80211_MLE_STA_RECONF_CONTROL_DELETE_TIMER_PRESENT		0x0040
+
+/**
+ * ieee80211_mle_reconf_sta_prof_size_ok - validate reconfiguration multi-link
+ *	element sta profile size.
+ * @data: pointer to the sub element data
+ * @len: length of the containing sub element
+ */
+static inline bool ieee80211_mle_reconf_sta_prof_size_ok(const u8 *data,
+							 size_t len)
+{
+	const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
+	u16 control;
+	u8 fixed = sizeof(*prof);
+	u8 info_len = 1;
+
+	if (len < fixed)
+		return false;
+
+	control = le16_to_cpu(prof->control);
+
+	if (control & IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT)
+		info_len += 6;
+	if (control & IEEE80211_MLE_STA_RECONF_CONTROL_DELETE_TIMER_PRESENT)
+		info_len += 2;
+
+	return prof->sta_info_len >= info_len &&
+	       ((size_t)(fixed + prof->sta_info_len - 1) <= len);
+}
+
 #define for_each_mle_subelement(_elem, _data, _len)			\
 	if (ieee80211_mle_size_ok(_data, _len))				\
 		for_each_element(_elem,					\