diff --git a/src/ap/ieee802_11.c b/src/ap/ieee802_11.c
index 1929d6488..c0e5cff5a 100644
--- a/src/ap/ieee802_11.c
+++ b/src/ap/ieee802_11.c
@@ -7297,6 +7297,77 @@ static u8 * hostapd_eid_wb_channel_switch(struct hostapd_data *hapd, u8 *eid,
 }
 
 
+#ifdef CONFIG_IEEE80211BE
+/* Bandwidth Indication element that is also used as the Bandwidth Indication
+ * For Channel Switch subelement within a Channel Switch Wrapper element. */
+static u8 * hostapd_eid_bw_indication(struct hostapd_data *hapd, u8 *eid,
+				      u8 chan1, u8 chan2)
+{
+	u16 punct_bitmap = hostapd_get_punct_bitmap(hapd);
+	struct ieee80211_bw_ind_element *bw_ind_elem;
+	size_t elen = 3;
+
+	if (hapd->cs_freq_params.bandwidth <= 160 && !punct_bitmap)
+		return eid;
+
+	if (punct_bitmap)
+		elen += EHT_OPER_DISABLED_SUBCHAN_BITMAP_SIZE;
+
+	*eid++ = WLAN_EID_EXTENSION;
+	*eid++ = 1 + elen;
+	*eid++ = WLAN_EID_EXT_BANDWIDTH_INDICATION;
+
+	bw_ind_elem = (struct ieee80211_bw_ind_element *) eid;
+	os_memset(bw_ind_elem, 0, sizeof(struct ieee80211_bw_ind_element));
+
+	switch (hapd->cs_freq_params.bandwidth) {
+	case 320:
+		bw_ind_elem->bw_ind_info.control |= BW_IND_CHANNEL_WIDTH_320MHZ;
+		chan2 = chan1;
+		if (hapd->cs_freq_params.channel < chan1)
+			chan1 -= 16;
+		else
+			chan1 += 16;
+		break;
+	case 160:
+		bw_ind_elem->bw_ind_info.control |= BW_IND_CHANNEL_WIDTH_160MHZ;
+		chan2 = chan1;
+		if (hapd->cs_freq_params.channel < chan1)
+			chan1 -= 8;
+		else
+			chan1 += 8;
+		break;
+	case 80:
+		bw_ind_elem->bw_ind_info.control |= BW_IND_CHANNEL_WIDTH_80MHZ;
+		break;
+	case 40:
+		if (hapd->cs_freq_params.sec_channel_offset == 1)
+			bw_ind_elem->bw_ind_info.control |=
+				BW_IND_CHANNEL_WIDTH_40MHZ;
+		else
+			bw_ind_elem->bw_ind_info.control |=
+				BW_IND_CHANNEL_WIDTH_20MHZ;
+		break;
+	default:
+		bw_ind_elem->bw_ind_info.control |= BW_IND_CHANNEL_WIDTH_20MHZ;
+		break;
+	}
+
+	bw_ind_elem->bw_ind_info.ccfs0 = chan1;
+	bw_ind_elem->bw_ind_info.ccfs1 = chan2;
+
+	if (punct_bitmap) {
+		bw_ind_elem->bw_ind_params |=
+			BW_IND_PARAMETER_DISABLED_SUBCHAN_BITMAP_PRESENT;
+		bw_ind_elem->bw_ind_info.disabled_chan_bitmap =
+			host_to_le16(punct_bitmap);
+	}
+
+	return eid + elen;
+}
+#endif /* CONFIG_IEEE80211BE */
+
+
 u8 * hostapd_eid_chsw_wrapper(struct hostapd_data *hapd, u8 *eid)
 {
 	u8 chan1 = 0, chan2 = 0;
@@ -7326,6 +7397,13 @@ u8 * hostapd_eid_chsw_wrapper(struct hostapd_data *hapd, u8 *eid)
 
 	eid = hostapd_eid_wb_channel_switch(hapd, eid, chan1, chan2);
 
+#ifdef CONFIG_IEEE80211BE
+	if (hapd->iconf->ieee80211be && !hapd->conf->disable_11be) {
+		/* Bandwidth Indication For Channel Switch subelement */
+		eid = hostapd_eid_bw_indication(hapd, eid, chan1, chan2);
+	}
+#endif /* CONFIG_IEEE80211BE */
+
 	*eid_len_offset = (eid - eid_len_offset) - 1;
 	return eid;
 }
diff --git a/src/common/ieee802_11_defs.h b/src/common/ieee802_11_defs.h
index 7f88fca06..2dee16bd4 100644
--- a/src/common/ieee802_11_defs.h
+++ b/src/common/ieee802_11_defs.h
@@ -525,6 +525,7 @@
 #define WLAN_EID_EXT_MULTI_LINK_TRAFFIC_INDICATION 110
 #define WLAN_EID_EXT_QOS_CHARACTERISTICS 113
 #define WLAN_EID_EXT_AKM_SUITE_SELECTOR 114
+#define WLAN_EID_EXT_BANDWIDTH_INDICATION 135
 
 /* Extended Capabilities field */
 #define WLAN_EXT_CAPAB_20_40_COEX 0
@@ -2872,6 +2873,33 @@ enum ieee80211_eht_ml_sub_elem {
 	EHT_ML_SUB_ELEM_FRAGMENT = 254,
 };
 
+/* IEEE P802.11be/D7.0, 9.4.2.329 (Bandwidth Indication element) defines the
+ * Bandwidth Indication Information field to have the same definition as the
+ * EHT Operation Information field in the EHT Operation element.
+ */
+struct ieee80211_bw_ind_info {
+	u8 control; /* B0..B2: Channel Width */
+	u8 ccfs0;
+	u8 ccfs1;
+	le16 disabled_chan_bitmap; /* 0 or 2 octets */
+} STRUCT_PACKED;
+
+/* Control subfield: Channel Width subfield; see Table 9-417e (Channel width,
+ * CCFS0, and CCFS1 subfields) in IEEE P802.11be/D7.0. */
+#define BW_IND_CHANNEL_WIDTH_20MHZ	EHT_OPER_CHANNEL_WIDTH_20MHZ
+#define BW_IND_CHANNEL_WIDTH_40MHZ	EHT_OPER_CHANNEL_WIDTH_40MHZ
+#define BW_IND_CHANNEL_WIDTH_80MHZ	EHT_OPER_CHANNEL_WIDTH_80MHZ
+#define BW_IND_CHANNEL_WIDTH_160MHZ	EHT_OPER_CHANNEL_WIDTH_160MHZ
+#define BW_IND_CHANNEL_WIDTH_320MHZ	EHT_OPER_CHANNEL_WIDTH_320MHZ
+
+/* IEEE P802.11be/D7.0, 9.4.2.329 (Bandwidth Indication element) */
+struct ieee80211_bw_ind_element {
+	u8 bw_ind_params; /* Bandwidth Indication Parameters */
+	struct ieee80211_bw_ind_info bw_ind_info; /* 3 or 5 octets */
+} STRUCT_PACKED;
+
+#define BW_IND_PARAMETER_DISABLED_SUBCHAN_BITMAP_PRESENT       BIT(1)
+
 /* IEEE P802.11ay/D4.0, 9.4.2.251 - EDMG Operation element */
 #define EDMG_BSS_OPERATING_CHANNELS_OFFSET	6
 #define EDMG_OPERATING_CHANNEL_WIDTH_OFFSET	7