wifi: ieee80211: add helper functions for detecting TM/FTM frames

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

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 295ebcc3efb408aaa4aac5fc01ae119c390621a6..26b2dce698ca0ce437205957c24f3147810678d7 100644 (file)
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -1333,6 +1333,15 @@ struct ieee80211_mgmt {
                                        u8 action_code;
                                        u8 variable[];
                                } __packed s1g;
+                               struct {
+                                       u8 action_code;
+                                       u8 dialog_token;
+                                       u8 follow_up;
+                                       u32 tod;
+                                       u32 toa;
+                                       u8 max_tod_error;
+                                       u8 max_toa_error;
+                               } __packed wnm_timing_msr;
                        } u;
                } __packed __aligned(4) action;
        } u __aligned(2);
@@ -2038,7 +2047,7 @@ struct ieee80211_eht_mcs_nss_supp_bw {
  * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
  *
  * This structure is the "EHT Capabilities element" fixed fields as
- * described in P802.11be_D1.4 section 9.4.2.313.
+ * described in P802.11be_D2.0 section 9.4.2.313.
  *
  * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
  * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
@@ -2064,20 +2073,27 @@ struct ieee80211_eht_cap_elem {
        u8 optional[];
 } __packed;
 
-#define IEEE80211_EHT_OPER_INFO_PRESENT                                0x1
-#define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT  0x2
+#define IEEE80211_EHT_OPER_INFO_PRESENT                                0x01
+#define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT  0x02
+#define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION                 0x04
+#define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT         0x08
+#define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK      0x30
 
 /**
  * struct ieee80211_eht_operation - eht operation element
  *
  * This structure is the "EHT Operation Element" fields as
- * described in P802.11be_D1.5 section 9.4.2.311
+ * described in P802.11be_D2.0 section 9.4.2.311
  *
  * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
+ * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
+ *     EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
+ *     receive.
  * @optional: optional parts
  */
 struct ieee80211_eht_operation {
        u8 params;
+       __le32 basic_mcs_nss;
        u8 optional[];
 } __packed;
 
@@ -2797,8 +2813,8 @@ ieee80211_he_spr_size(const u8 *he_spr_ie)
 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ BIT(0)
 #define S1G_OPER_CH_WIDTH_OPER         GENMASK(4, 1)
 
-/* EHT MAC capabilities as defined in P802.11be_D1.4 section 9.4.2.313.2 */
-#define IEEE80211_EHT_MAC_CAP0_NSEP_PRIO_ACCESS                        0x01
+/* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
+#define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS                        0x01
 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL                      0x02
 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1         0x04
 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2         0x08
@@ -2811,7 +2827,7 @@ ieee80211_he_spr_size(const u8 *he_spr_ie)
 
 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK              0x01
 
-/* EHT PHY capabilities as defined in P802.11be_D1.4 section 9.4.2.313.3 */
+/* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ                  0x02
 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ             0x04
 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI             0x08
@@ -2876,7 +2892,7 @@ ieee80211_he_spr_size(const u8 *he_spr_ie)
 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA    0x02
 
 /*
- * EHT operation channel width as defined in P802.11be_D1.4 section 9.4.2.311
+ * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
  */
 #define IEEE80211_EHT_OPER_CHAN_WIDTH          0x7
 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ    0
@@ -3533,6 +3549,17 @@ enum ieee80211_mesh_actioncode {
        WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
 };
 
+/* Unprotected WNM action codes */
+enum ieee80211_unprotected_wnm_actioncode {
+       WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
+       WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
+};
+
+/* Public action codes */
+enum ieee80211_public_actioncode {
+       WLAN_PUBLIC_ACTION_FTM_RESPONSE = 33,
+};
+
 /* Security key length */
 enum ieee80211_key_len {
        WLAN_KEY_LEN_WEP40 = 5,
@@ -4221,6 +4248,40 @@ static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
 
+static inline bool ieee80211_is_timing_measurement(struct ieee80211_hdr *hdr, size_t len)
+{
+       struct ieee80211_mgmt *mgmt = (void *)hdr;
+
+       if (len < IEEE80211_MIN_ACTION_SIZE)
+               return false;
+
+       if (!ieee80211_is_action(hdr->frame_control))
+               return false;
+
+       if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
+           mgmt->u.action.u.wnm_timing_msr.action_code ==
+               WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
+           len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
+               return true;
+
+       return false;
+}
+
+static inline bool ieee80211_is_ftm(struct ieee80211_hdr *hdr, size_t len)
+{
+       struct ieee80211_mgmt *mgmt = (void *)hdr;
+
+       if (!ieee80211_is_public_action((void *)mgmt, len))
+               return false;
+
+       if (mgmt->u.action.u.ftm.action_code ==
+               WLAN_PUBLIC_ACTION_FTM_RESPONSE &&
+           len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
+               return true;
+
+       return false;
+}
+
 struct element {
        u8 id;
        u8 datalen;