mac80211: Encrypt "Group addressed privacy" action frames

[carl9170fw.git] / include / linux / ieee80211.h

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 54c6481350b6a9c16cb8feae87292d9dbee44c68..a004aca7c631e046de1bc604dff6d43446f7215d 100644 (file)
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -7,6 +7,7 @@
  * Copyright (c) 2005, Devicescape Software, Inc.
  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
  * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
+ * Copyright (c) 2016 Intel Deutschland GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -158,6 +159,17 @@ static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 #define IEEE80211_MAX_FRAME_LEN                2352
 
+/* Maximal size of an A-MSDU that can be transported in a HT BA session */
+#define IEEE80211_MAX_MPDU_LEN_HT_BA           4095
+
+/* Maximal size of an A-MSDU */
+#define IEEE80211_MAX_MPDU_LEN_HT_3839         3839
+#define IEEE80211_MAX_MPDU_LEN_HT_7935         7935
+
+#define IEEE80211_MAX_MPDU_LEN_VHT_3895                3895
+#define IEEE80211_MAX_MPDU_LEN_VHT_7991                7991
+#define IEEE80211_MAX_MPDU_LEN_VHT_11454       11454
+
 #define IEEE80211_MAX_SSID_LEN         32
 
 #define IEEE80211_MAX_MESH_ID_LEN      32
@@ -635,6 +647,16 @@ static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
        return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 }
 
+/**
+ * ieee80211_is_frag - check if a frame is a fragment
+ * @hdr: 802.11 header of the frame
+ */
+static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
+{
+       return ieee80211_has_morefrags(hdr->frame_control) ||
+              hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
+}
+
 struct ieee80211s_hdr {
        u8 flags;
        u8 ttl;
@@ -846,6 +868,8 @@ enum ieee80211_vht_opmode_bits {
 };
 
 #define WLAN_SA_QUERY_TR_ID_LEN 2
+#define WLAN_MEMBERSHIP_LEN 8
+#define WLAN_USER_POSITION_LEN 16
 
 /**
  * struct ieee80211_tpc_report_ie
@@ -992,6 +1016,11 @@ struct ieee80211_mgmt {
                                        u8 action_code;
                                        u8 operating_mode;
                                } __packed vht_opmode_notif;
+                               struct {
+                                       u8 action_code;
+                                       u8 membership[WLAN_MEMBERSHIP_LEN];
+                                       u8 position[WLAN_USER_POSITION_LEN];
+                               } __packed vht_group_notif;
                                struct {
                                        u8 action_code;
                                        u8 dialog_token;
@@ -999,6 +1028,16 @@ struct ieee80211_mgmt {
                                        u8 tpc_elem_length;
                                        struct ieee80211_tpc_report_ie tpc;
                                } __packed tpc_report;
+                               struct {
+                                       u8 action_code;
+                                       u8 dialog_token;
+                                       u8 follow_up;
+                                       u8 tod[6];
+                                       u8 toa[6];
+                                       __le16 tod_error;
+                                       __le16 toa_error;
+                                       u8 variable[0];
+                               } __packed ftm;
                        } u;
                } __packed action;
        } u;
@@ -1518,6 +1557,7 @@ struct ieee80211_vht_operation {
 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                 0x00000000
 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                 0x00000001
 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                        0x00000002
+#define IEEE80211_VHT_CAP_MAX_MPDU_MASK                                0x00000003
 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ               0x00000004
 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ      0x00000008
 #define IEEE80211_VHT_CAP_RXLDPC                               0x00000010
@@ -2098,6 +2138,16 @@ enum ieee80211_tdls_actioncode {
 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED    BIT(5)
 #define WLAN_EXT_CAPA8_OPMODE_NOTIF    BIT(6)
 
+/* Defines the maximal number of MSDUs in an A-MSDU. */
+#define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB   BIT(7)
+#define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB   BIT(0)
+
+/*
+ * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
+ * information element
+ */
+#define WLAN_EXT_CAPA9_FTM_INITIATOR   BIT(7)
+
 /* TDLS specific payload type in the LLC/SNAP header */
 #define WLAN_TDLS_SNAP_RFTYPE  0x2
 
@@ -2441,6 +2491,28 @@ static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
        return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
 }
 
+static inline bool is_multicast_ether_addr(const u8 *a)
+{
+        return 0x01 & a[0];
+}
+
+/**
+ * _ieee80211_is_group_privacy_action - check if frame is a group addressed
+ * privacy action frame
+ * @hdr: the frame
+ */
+static inline bool ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
+{
+       struct ieee80211_mgmt *mgmt = (void *)hdr;
+
+       if (!ieee80211_is_action(hdr->frame_control) ||
+           !is_multicast_ether_addr(hdr->addr1))
+               return false;
+
+       return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
+              mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
+}
+
 /**
  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
  * @tu: the TUs