Define FILS Discovery frame subfields

Add definitions from IEEE Std 802.11ai-2016, 9.6.8.36 FILS discovery
frame format and extensions for the 6 GHz band from IEEE P802.11ax/D8.0.

Signed-off-by: Aloka Dixit <alokad@codeaurora.org>

diff --git a/src/common/ieee802_11_defs.h b/src/common/ieee802_11_defs.h
index 87d01d58aaa3be98d85e4a2e1a3fcc0cbca596f3..038c4ec0e63b11416816746a302c487c4306d235 100644 (file)
--- a/src/common/ieee802_11_defs.h
+++ b/src/common/ieee802_11_defs.h
@@ -2378,4 +2378,51 @@ enum mscs_description_subelem {
        MCSC_SUBELEM_STATUS = 1,
 };
 
+/*
+ * IEEE Std 802.11ai-2016, 9.6.8.36 FILS Discovery frame format,
+ * Figure 9-687b - FILS Discovery Frame Control subfield format
+ */
+#define FD_FRAME_CTL_CAP_PRESENT                       ((u16) BIT(5))
+#define FD_FRAME_CTL_SHORT_SSID_PRESENT                        ((u16) BIT(6))
+#define FD_FRAME_CTL_AP_CSN_PRESENT                    ((u16) BIT(7))
+#define FD_FRAME_CTL_ANO_PRESENT                       ((u16) BIT(8))
+#define FD_FRAME_CTL_FREQ_SEG1_PRESENT                 ((u16) BIT(9))
+#define FD_FRAME_CTL_PRI_CHAN_PRESENT                  ((u16) BIT(10))
+#define FD_FRAME_CTL_RSN_INFO_PRESENT                  ((u16) BIT(11))
+#define FD_FRAME_CTL_LENGTH_PRESENT                    ((u16) BIT(12))
+#define FD_FRAME_CTL_MD_PRESENT                                ((u16) BIT(13))
+
+/*
+ * IEEE Std 802.11ai-2016, 9.6.8.36 FILS Discovery frame format,
+ * Figure 9-687c - FD Capability subfield format
+ */
+#define FD_CAP_ESS                                     BIT(0)
+#define FD_CAP_PRIVACY                                 BIT(1)
+#define FD_CAP_MULTI_BSSID_PRESENT                     BIT(9)
+
+#define FD_CAP_BSS_CHWIDTH_20                          0
+#define FD_CAP_BSS_CHWIDTH_40                          1
+#define FD_CAP_BSS_CHWIDTH_80                          2
+#define FD_CAP_BSS_CHWIDTH_160_80_80                   3
+#define FD_CAP_BSS_CHWIDTH_SHIFT                       2
+
+#define FD_CAP_NSS_1                                   0
+#define FD_CAP_NSS_2                                   1
+#define FD_CAP_NSS_3                                   2
+#define FD_CAP_NSS_4                                   3
+#define FD_CAP_NSS_5_8                                 4
+#define FD_CAP_NSS_SHIFT                               5
+
+#define FD_CAP_PHY_INDEX_HR_DSSS                       0
+#define FD_CAP_PHY_INDEX_ERP_OFDM                      1
+#define FD_CAP_PHY_INDEX_HT                            2
+#define FD_CAP_PHY_INDEX_VHT                           3
+#define FD_CAP_PHY_INDEX_HE                            4 /* P802.11ax */
+#define FD_CAP_PHY_INDEX_SHIFT                         10
+
+/*
+ * IEEE P802.11ax/D8.0 26.17.2.3.2, AP behavior for fast passive scanning
+ */
+#define FD_MAX_INTERVAL_6GHZ                  20 /* TUs */
+
 #endif /* IEEE802_11_DEFS_H */