The Peer-to-Peer IE is vendor-specific IE identified by WiFi Alliance
OUI and specific P2P OUI type. The payload of this IE consists of
so-called P2P attributes. This patch adds definitions for processing
these attributes.
Reviewed-by: Hante Meuleman <meuleman@xxxxxxxxxxxx>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@xxxxxxxxxxxx>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@xxxxxxxxxxxx>
Signed-off-by: Arend van Spriel <arend@xxxxxxxxxxxx>
---
Hi Johannes,
This patch is for 3.8. It applies to mac80211-next repository.
Gr. AvS
---
include/linux/ieee80211.h | 78 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 78 insertions(+)
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 8c803f0..7c4c075 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -168,6 +168,9 @@
#define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
#define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
+/* Vendor-specific IE */
+#define IEEE80211_VENDOR_SPEC_IE 0xDD
+
#define IEEE80211_HT_CTL_LEN 4
struct ieee80211_hdr {
@@ -905,6 +908,81 @@ struct ieee80211_tdls_data {
} u;
} __packed;
+/*
+ * Peer-to-Peer IE attribute related definitions.
+ */
+/**
+ * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
+ */
+enum ieee80211_p2p_attr_id {
+ IEEE80211_P2P_ATTR_STATUS = 0,
+ IEEE80211_P2P_ATTR_MINOR_REASON,
+ IEEE80211_P2P_ATTR_CAPABILITY,
+ IEEE80211_P2P_ATTR_DEVICE_ID,
+ IEEE80211_P2P_ATTR_GO_INTENT,
+ IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
+ IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
+ IEEE80211_P2P_ATTR_GROUP_BSSID,
+ IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
+ IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
+ IEEE80211_P2P_ATTR_MANAGABILITY,
+ IEEE80211_P2P_ATTR_CHANNEL_LIST,
+ IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
+ IEEE80211_P2P_ATTR_DEVICE_INFO,
+ IEEE80211_P2P_ATTR_GROUP_INFO,
+ IEEE80211_P2P_ATTR_GROUP_ID,
+ IEEE80211_P2P_ATTR_INTERFACE,
+ IEEE80211_P2P_ATTR_OPER_CHANNEL,
+ IEEE80211_P2P_ATTR_INVITE_FLAGS,
+ /* 19 - 220: Reserved */
+ IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
+
+ IEEE80211_P2P_ATTR_MAX
+};
+
+struct ieee80211_p2p_chan_attr {
+ u8 country[3];
+ u8 class;
+ u8 channel;
+} __packed;
+
+/**
+ * struct ieee80211_p2p_attribute - attributes in WFA P2P vendor specific IE.
+ *
+ * @id: identifier according enum ieee80211_p2p_attr_id.
+ * @length: length of data buffer mapped by @u.
+ * @u: union holding information for this peer-to-peer attribute.
+ */
+struct ieee80211_p2p_attribute {
+ u8 id;
+ __le16 length;
+ union {
+ u8 status;
+ u8 minor_reason;
+ struct {
+ u8 device;
+ u8 group;
+ } __packed cap;
+ u8 devid[6];
+ u8 go_intent;
+ struct {
+ u8 group;
+ u8 client;
+ } __packed cfg_timeout;
+ struct ieee80211_p2p_chan_attr listen;
+ u8 bssid[6];
+ struct {
+ __le16 period;
+ __le16 interval;
+ } __packed listen_availability;
+ u8 ifc_addr[6];
+ u8 managability;
+ struct ieee80211_p2p_chan_attr operating;
+ u8 invitation;
+ u8 var_attr[0];
+ } u;
+} __packed;
+
/**
* struct ieee80211_bar - HT Block Ack Request
*
--
1.7.9.5
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