diff -urNp -x '*.orig' linux-5.11/drivers/net/wireless/intersil/hostap/hostap_80211_tx.c linux-5.11/drivers/net/wireless/intersil/hostap/hostap_80211_tx.c
--- linux-5.11/drivers/net/wireless/intersil/hostap/hostap_80211_tx.c	2021-02-14 23:32:24.000000000 +0100
+++ linux-5.11/drivers/net/wireless/intersil/hostap/hostap_80211_tx.c	2021-02-24 13:30:28.508213152 +0100
@@ -77,6 +77,9 @@ netdev_tx_t hostap_data_start_xmit(struc
 	iface = netdev_priv(dev);
 	local = iface->local;
 
+	if (local->iw_mode == IW_MODE_MONITOR)
+		goto xmit;
+
 	if (skb->len < ETH_HLEN) {
 		printk(KERN_DEBUG "%s: hostap_data_start_xmit: short skb "
 		       "(len=%d)\n", dev->name, skb->len);
@@ -246,6 +249,7 @@ netdev_tx_t hostap_data_start_xmit(struc
 		skb_put_data(skb, &hdr.addr4, ETH_ALEN);
 	}
 
+xmit:
 	iface->stats.tx_packets++;
 	iface->stats.tx_bytes += skb->len;
 
diff -urNp -x '*.orig' linux-5.11/drivers/net/wireless/intersil/hostap/hostap_hw.c linux-5.11/drivers/net/wireless/intersil/hostap/hostap_hw.c
--- linux-5.11/drivers/net/wireless/intersil/hostap/hostap_hw.c	2021-02-14 23:32:24.000000000 +0100
+++ linux-5.11/drivers/net/wireless/intersil/hostap/hostap_hw.c	2021-02-24 13:30:28.508213152 +0100
@@ -984,6 +984,35 @@ static u16 hfa384x_allocate_fid(struct n
 	return fid;
 }
 
+static int prism2_monitor_enable(struct net_device *dev)
+{
+	if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE, 5)) {
+		printk(KERN_DEBUG "Port type setting for monitor mode "
+			"failed\n");
+		return -EOPNOTSUPP;
+	}
+
+	if (hfa384x_cmd(dev, HFA384X_CMDCODE_TEST | (0x0a << 8),
+			     0, NULL, NULL)) {
+		printk(KERN_DEBUG "Could not enter testmode 0x0a\n");
+		return -EOPNOTSUPP;
+	}
+
+	if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS,
+			    HFA384X_WEPFLAGS_PRIVACYINVOKED |
+			    HFA384X_WEPFLAGS_HOSTENCRYPT |
+			    HFA384X_WEPFLAGS_HOSTDECRYPT)) {
+		printk(KERN_DEBUG "WEP flags setting failed\n");
+		return -EOPNOTSUPP;
+	}
+
+	if (hostap_set_word(dev, HFA384X_RID_PROMISCUOUSMODE, 1)) {
+		printk(KERN_DEBUG "Could not set promiscuous mode\n");
+		return -EOPNOTSUPP;
+	}
+
+	return 0;
+}
 
 static int prism2_reset_port(struct net_device *dev)
 {
@@ -1010,6 +1039,10 @@ static int prism2_reset_port(struct net_
 			       "port\n", dev->name);
 	}
 
+	if (local->iw_mode == IW_MODE_MONITOR)
+		/* force mode 0x0a after port 0 reset */
+		return prism2_monitor_enable(dev);
+
 	/* It looks like at least some STA firmware versions reset
 	 * fragmentation threshold back to 2346 after enable command. Restore
 	 * the configured value, if it differs from this default. */
@@ -1445,6 +1478,10 @@ static int prism2_hw_enable(struct net_d
 		return 1;
 	}
 
+	if (local->iw_mode == IW_MODE_MONITOR)
+		/* force mode 0x0a after port 0 reset */
+		prism2_monitor_enable(dev);
+
 	local->hw_ready = 1;
 	local->hw_reset_tries = 0;
 	local->hw_resetting = 0;
@@ -3102,6 +3139,7 @@ prism2_init_local_data(struct prism2_hel
 	local->func->hw_config = prism2_hw_config;
 	local->func->hw_reset = prism2_hw_reset;
 	local->func->hw_shutdown = prism2_hw_shutdown;
+	local->func->monitor_enable = prism2_monitor_enable;
 	local->func->reset_port = prism2_reset_port;
 	local->func->schedule_reset = prism2_schedule_reset;
 #ifdef PRISM2_DOWNLOAD_SUPPORT
diff -urNp -x '*.orig' linux-5.11/drivers/net/wireless/intersil/hostap/hostap_ioctl.c linux-5.11/drivers/net/wireless/intersil/hostap/hostap_ioctl.c
--- linux-5.11/drivers/net/wireless/intersil/hostap/hostap_ioctl.c	2021-02-14 23:32:24.000000000 +0100
+++ linux-5.11/drivers/net/wireless/intersil/hostap/hostap_ioctl.c	2021-02-24 13:30:28.508213152 +0100
@@ -1071,33 +1071,7 @@ static int hostap_monitor_mode_enable(lo
 
 	printk(KERN_DEBUG "Enabling monitor mode\n");
 	hostap_monitor_set_type(local);
-
-	if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
-			    HFA384X_PORTTYPE_PSEUDO_IBSS)) {
-		printk(KERN_DEBUG "Port type setting for monitor mode "
-		       "failed\n");
-		return -EOPNOTSUPP;
-	}
-
-	/* Host decrypt is needed to get the IV and ICV fields;
-	 * however, monitor mode seems to remove WEP flag from frame
-	 * control field */
-	if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS,
-			    HFA384X_WEPFLAGS_HOSTENCRYPT |
-			    HFA384X_WEPFLAGS_HOSTDECRYPT)) {
-		printk(KERN_DEBUG "WEP flags setting failed\n");
-		return -EOPNOTSUPP;
-	}
-
-	if (local->func->reset_port(dev) ||
-	    local->func->cmd(dev, HFA384X_CMDCODE_TEST |
-			     (HFA384X_TEST_MONITOR << 8),
-			     0, NULL, NULL)) {
-		printk(KERN_DEBUG "Setting monitor mode failed\n");
-		return -EOPNOTSUPP;
-	}
-
-	return 0;
+	return local->func->reset_port(dev);
 }
 
 
@@ -1166,7 +1140,7 @@ static int prism2_ioctl_siwmode(struct n
 	local->iw_mode = *mode;
 
 	if (local->iw_mode == IW_MODE_MONITOR)
-		hostap_monitor_mode_enable(local);
+		return hostap_monitor_mode_enable(local);
 	else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt &&
 		 !local->fw_encrypt_ok) {
 		printk(KERN_DEBUG "%s: defaulting to host-based encryption as "
diff -urNp -x '*.orig' linux-5.11/drivers/net/wireless/intersil/hostap/hostap_main.c linux-5.11/drivers/net/wireless/intersil/hostap/hostap_main.c
--- linux-5.11/drivers/net/wireless/intersil/hostap/hostap_main.c	2021-02-14 23:32:24.000000000 +0100
+++ linux-5.11/drivers/net/wireless/intersil/hostap/hostap_main.c	2021-02-24 13:30:28.508213152 +0100
@@ -318,7 +318,7 @@ u16 hostap_get_porttype(local_info_t *lo
 	if (local->iw_mode == IW_MODE_REPEAT)
 		return HFA384X_PORTTYPE_WDS;
 	if (local->iw_mode == IW_MODE_MONITOR)
-		return HFA384X_PORTTYPE_PSEUDO_IBSS;
+		return 5; /*HFA384X_PORTTYPE_PSEUDO_IBSS;*/
 	return HFA384X_PORTTYPE_HOSTAP;
 }
 
diff -urNp -x '*.orig' linux-5.11/drivers/net/wireless/intersil/hostap/hostap_pci.c linux-5.11/drivers/net/wireless/intersil/hostap/hostap_pci.c
--- linux-5.11/drivers/net/wireless/intersil/hostap/hostap_pci.c	2021-02-14 23:32:24.000000000 +0100
+++ linux-5.11/drivers/net/wireless/intersil/hostap/hostap_pci.c	2021-02-24 13:30:28.508213152 +0100
@@ -47,6 +47,8 @@ static const struct pci_device_id prism2
 	{ 0x1260, 0x3873, PCI_ANY_ID, PCI_ANY_ID },
 	/* Samsung MagicLAN SWL-2210P */
 	{ 0x167d, 0xa000, PCI_ANY_ID, PCI_ANY_ID },
+	/* NETGEAR MA311 */
+	{ 0x1385, 0x3872, PCI_ANY_ID, PCI_ANY_ID },
 	{ 0 }
 };
 
diff -urNp -x '*.orig' linux-5.11/drivers/net/wireless/intersil/hostap/hostap_plx.c linux-5.11/drivers/net/wireless/intersil/hostap/hostap_plx.c
--- linux-5.11/drivers/net/wireless/intersil/hostap/hostap_plx.c	2021-02-14 23:32:24.000000000 +0100
+++ linux-5.11/drivers/net/wireless/intersil/hostap/hostap_plx.c	2021-02-24 13:30:28.508213152 +0100
@@ -100,6 +100,7 @@ static struct prism2_plx_manfid {
 	{ 0xc250, 0x0002 } /* EMTAC A2424i */,
 	{ 0xd601, 0x0002 } /* Z-Com XI300 */,
 	{ 0xd601, 0x0005 } /* Zcomax XI-325H 200mW */,
+	{ 0xd601, 0x0010 } /* Zcomax XI-325H 100mW */,
 	{ 0, 0}
 };
 
diff -urNp -x '*.orig' linux-5.11/drivers/net/wireless/intersil/hostap/hostap_wlan.h linux-5.11/drivers/net/wireless/intersil/hostap/hostap_wlan.h
--- linux-5.11/drivers/net/wireless/intersil/hostap/hostap_wlan.h	2021-02-14 23:32:24.000000000 +0100
+++ linux-5.11/drivers/net/wireless/intersil/hostap/hostap_wlan.h	2021-02-24 13:30:28.508213152 +0100
@@ -593,6 +593,7 @@ struct prism2_helper_functions {
 	int (*hw_config)(struct net_device *dev, int initial);
 	void (*hw_reset)(struct net_device *dev);
 	void (*hw_shutdown)(struct net_device *dev, int no_disable);
+	int (*monitor_enable)(struct net_device *dev);
 	int (*reset_port)(struct net_device *dev);
 	void (*schedule_reset)(local_info_t *local);
 	int (*download)(local_info_t *local,