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Diffstat (limited to 'include/linux/ieee80211.h')
-rw-r--r--include/linux/ieee80211.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index f65b5446d983..4f4eea8a6288 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -19,6 +19,7 @@
#include <linux/types.h>
#include <linux/if_ether.h>
#include <asm/byteorder.h>
+#include <asm/unaligned.h>
/*
* DS bit usage
@@ -1066,6 +1067,12 @@ struct ieee80211_pspoll {
/* TDLS */
+/* Channel switch timing */
+struct ieee80211_ch_switch_timing {
+ __le16 switch_time;
+ __le16 switch_timeout;
+} __packed;
+
/* Link-id information element */
struct ieee80211_tdls_lnkie {
u8 ie_type; /* Link Identifier IE */
@@ -1107,6 +1114,15 @@ struct ieee80211_tdls_data {
u8 dialog_token;
u8 variable[0];
} __packed discover_req;
+ struct {
+ u8 target_channel;
+ u8 oper_class;
+ u8 variable[0];
+ } __packed chan_switch_req;
+ struct {
+ __le16 status_code;
+ u8 variable[0];
+ } __packed chan_switch_resp;
} u;
} __packed;
@@ -2018,6 +2034,11 @@ enum ieee80211_tdls_actioncode {
*/
#define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2)
+/* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
+#define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4)
+#define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5)
+#define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6)
+
/* Interworking capabilities are set in 7th bit of 4th byte of the
* @WLAN_EID_EXT_CAPABILITY information element
*/
@@ -2029,6 +2050,7 @@ enum ieee80211_tdls_actioncode {
*/
#define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
#define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
+#define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7)
#define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
#define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(7)
@@ -2036,6 +2058,9 @@ enum ieee80211_tdls_actioncode {
/* TDLS specific payload type in the LLC/SNAP header */
#define WLAN_TDLS_SNAP_RFTYPE 0x2
+/* BSS Coex IE information field bits */
+#define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0)
+
/**
* enum - mesh synchronization method identifier
*
@@ -2418,6 +2443,30 @@ static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
return !!(tim->virtual_map[index] & mask);
}
+/**
+ * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
+ * @skb: the skb containing the frame, length will not be checked
+ * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
+ *
+ * This function assumes the frame is a data frame, and that the network header
+ * is in the correct place.
+ */
+static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
+{
+ if (!skb_is_nonlinear(skb) &&
+ skb->len > (skb_network_offset(skb) + 2)) {
+ /* Point to where the indication of TDLS should start */
+ const u8 *tdls_data = skb_network_header(skb) - 2;
+
+ if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
+ tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
+ tdls_data[3] == WLAN_CATEGORY_TDLS)
+ return tdls_data[4];
+ }
+
+ return -1;
+}
+
/* convert time units */
#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))