diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 9e7e68d7b1a7..364ce0c5962f 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3119,9 +3119,17 @@ static int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
 		    params->chandef.chan->band)
 			return -EINVAL;
 
+		ifmsh->chsw_init = true;
+		if (!ifmsh->pre_value)
+			ifmsh->pre_value = 1;
+		else
+			ifmsh->pre_value++;
+
 		err = ieee80211_mesh_csa_beacon(sdata, params, true);
-		if (err < 0)
+		if (err < 0) {
+			ifmsh->chsw_init = false;
 			return err;
+		}
 		break;
 #endif
 	default:
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 29dc505be125..4aea4e791113 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1228,6 +1228,7 @@ struct ieee80211_csa_ie {
 	u8 mode;
 	u8 count;
 	u8 ttl;
+	u16 pre_value;
 };
 
 /* Parsed Information Elements */
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 896fe3bd599e..ba105257d03f 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -943,14 +943,19 @@ ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata,
 		 params.chandef.chan->center_freq);
 
 	params.block_tx = csa_ie.mode & WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT;
-	if (beacon)
+	if (beacon) {
 		ifmsh->chsw_ttl = csa_ie.ttl - 1;
-	else
-		ifmsh->chsw_ttl = 0;
+		if (ifmsh->pre_value >= csa_ie.pre_value)
+			return false;
+		ifmsh->pre_value = csa_ie.pre_value;
+	}
 
-	if (ifmsh->chsw_ttl > 0)
+	if (ifmsh->chsw_ttl < ifmsh->mshcfg.dot11MeshTTL) {
 		if (ieee80211_mesh_csa_beacon(sdata, &params, false) < 0)
 			return false;
+	} else {
+		return false;
+	}
 
 	sdata->csa_radar_required = params.radar_required;
 
@@ -1163,7 +1168,6 @@ static int mesh_fwd_csa_frame(struct ieee80211_sub_if_data *sdata,
 	offset_ttl = (len < 42) ? 7 : 10;
 	*(pos + offset_ttl) -= 1;
 	*(pos + offset_ttl + 1) &= ~WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR;
-	sdata->u.mesh.chsw_ttl = *(pos + offset_ttl);
 
 	memcpy(mgmt_fwd, mgmt, len);
 	eth_broadcast_addr(mgmt_fwd->da);
@@ -1182,7 +1186,7 @@ static void mesh_rx_csa_frame(struct ieee80211_sub_if_data *sdata,
 	u16 pre_value;
 	bool fwd_csa = true;
 	size_t baselen;
-	u8 *pos, ttl;
+	u8 *pos;
 
 	if (mgmt->u.action.u.measurement.action_code !=
 	    WLAN_ACTION_SPCT_CHL_SWITCH)
@@ -1193,8 +1197,8 @@ static void mesh_rx_csa_frame(struct ieee80211_sub_if_data *sdata,
 			   u.action.u.chan_switch.variable);
 	ieee802_11_parse_elems(pos, len - baselen, false, &elems);
 
-	ttl = elems.mesh_chansw_params_ie->mesh_ttl;
-	if (!--ttl)
+	ifmsh->chsw_ttl = elems.mesh_chansw_params_ie->mesh_ttl;
+	if (!--ifmsh->chsw_ttl)
 		fwd_csa = false;
 
 	pre_value = le16_to_cpu(elems.mesh_chansw_params_ie->mesh_pre_value);
diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c
index a40da20b32e0..6ab009070084 100644
--- a/net/mac80211/spectmgmt.c
+++ b/net/mac80211/spectmgmt.c
@@ -78,6 +78,8 @@ int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
 	if (elems->mesh_chansw_params_ie) {
 		csa_ie->ttl = elems->mesh_chansw_params_ie->mesh_ttl;
 		csa_ie->mode = elems->mesh_chansw_params_ie->mesh_flags;
+		csa_ie->pre_value = le16_to_cpu(
+				elems->mesh_chansw_params_ie->mesh_pre_value);
 	}
 
 	new_freq = ieee80211_channel_to_frequency(new_chan_no, new_band);
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index e9ce36d32ef5..9f9b9bd3fd44 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -2457,14 +2457,9 @@ int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata,
 			  WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT : 0x00;
 		put_unaligned_le16(WLAN_REASON_MESH_CHAN, pos); /* Reason Cd */
 		pos += 2;
-		if (!ifmsh->pre_value)
-			ifmsh->pre_value = 1;
-		else
-			ifmsh->pre_value++;
 		pre_value = cpu_to_le16(ifmsh->pre_value);
 		memcpy(pos, &pre_value, 2);		/* Precedence Value */
 		pos += 2;
-		ifmsh->chsw_init = true;
 	}
 
 	ieee80211_tx_skb(sdata, skb);