[PATCH v3 2/5] wifi: mac80211: add generic MMIE struct defines

[Chien Wong <m@xv97.com>]

The added struct is needed when writing generic handler for both CMAC-128
and CMAC-256.

Signed-off-by: Chien Wong <m@xv97.com>
---
 include/linux/ieee80211.h | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index ddff9102f633..9392fc11d4fb 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -1633,7 +1633,7 @@ struct ieee80211_mgmt {
 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
 
 
-/* Management MIC information element (IEEE 802.11w) */
+/* Management MIC information element (IEEE 802.11w) for CMAC */
 struct ieee80211_mmie {
 	u8 element_id;
 	u8 length;
@@ -1651,6 +1651,15 @@ struct ieee80211_mmie_16 {
 	u8 mic[16];
 } __packed;
 
+/* Management MIC information element (IEEE 802.11w) for all variants */
+struct ieee80211_mmie_var {
+	u8 element_id;
+	u8 length;
+	__le16 key_id;
+	u8 sequence_number[6];
+	u8 mic[]; /* 8 or 16 bytes */
+} __packed;
+
 struct ieee80211_vendor_ie {
 	u8 element_id;
 	u8 len;
@@ -4064,6 +4073,9 @@ enum ieee80211_radio_measurement_actioncode {
 #define IEEE80211_GCMP_HDR_LEN		8
 #define IEEE80211_GCMP_MIC_LEN		16
 #define IEEE80211_GCMP_PN_LEN		6
+#define IEEE80211_CMAC_128_MIC_LEN	8
+#define IEEE80211_CMAC_256_MIC_LEN	16
+#define IEEE80211_GMAC_MIC_LEN		16
 
 #define FILS_NONCE_LEN			16
 #define FILS_MAX_KEK_LEN		64
-- 
2.51.2