return hdrlen;
}
+/**
+ * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline bool ieee80211_is_any_nullfunc(__le16 fc)
+{
+ return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
+}
+
/**
* ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
* @fc: frame control field in little-endian byteorder
u8 link_margin;
} __packed;
+#define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1)
+#define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1
+#define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0)
+
+struct ieee80211_addba_ext_ie {
+ u8 data;
+} __packed;
+
struct ieee80211_mgmt {
__le16 frame_control;
__le16 duration;
__le16 capab;
__le16 timeout;
__le16 start_seq_num;
+ /* followed by BA Extension */
+ u8 variable[0];
} __packed addba_req;
struct{
u8 action_code;
u8 optional[0];
} __packed;
+/**
+ * struct ieee80211_he_spr - HE spatial reuse element
+ *
+ * This structure is the "HE spatial reuse element" element as
+ * described in P802.11ax_D4.0 section 9.4.2.241
+ */
+struct ieee80211_he_spr {
+ u8 he_sr_control;
+ /* Optional 0 to 19 bytes: depends on @he_sr_control */
+ u8 optional[0];
+} __packed;
+
/**
* struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
*
#define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000
#define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000
#define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000
-#define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24
+#define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24
#define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000
#define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000
* ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
* @he_oper_ie: byte data of the He Operations IE, stating from the the byte
* after the ext ID byte. It is assumed that he_oper_ie has at least
- * sizeof(struct ieee80211_he_operation) bytes, checked already in
- * ieee802_11_parse_elems_crc()
+ * sizeof(struct ieee80211_he_operation) bytes, the caller must have
+ * validated this.
* @return the actual size of the IE data (not including header), or 0 on error
*/
static inline u8
return oper_len;
}
+/* HE Spatial Reuse defines */
+#define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT 0x4
+#define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT 0x8
+
+/*
+ * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
+ * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the the byte
+ * after the ext ID byte. It is assumed that he_spr_ie has at least
+ * sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
+ * this
+ * @return the actual size of the IE data (not including header), or 0 on error
+ */
+static inline u8
+ieee80211_he_spr_size(const u8 *he_spr_ie)
+{
+ struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
+ u8 spr_len = sizeof(struct ieee80211_he_spr);
+ u32 he_spr_params;
+
+ /* Make sure the input is not NULL */
+ if (!he_spr_ie)
+ return 0;
+
+ /* Calc required length */
+ he_spr_params = le32_to_cpu(he_spr->he_sr_control);
+ if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
+ spr_len++;
+ if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
+ spr_len += 18;
+
+ /* Add the first byte (extension ID) to the total length */
+ spr_len++;
+
+ return spr_len;
+}
+
/* Authentication algorithms */
#define WLAN_AUTH_OPEN 0
#define WLAN_AUTH_SHARED_KEY 1
WLAN_EID_EXT_HE_OPERATION = 36,
WLAN_EID_EXT_UORA = 37,
WLAN_EID_EXT_HE_MU_EDCA = 38,
+ WLAN_EID_EXT_HE_SPR = 39,
WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
WLAN_EID_EXT_NON_INHERITANCE = 56,