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Commit 8e29d23e authored by David Chen's avatar David Chen Committed by David S. Miller
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r8152: Add support for MAC address pass through on RTL8153-BD 



RTL8153-BD is used in Dell DA300 type-C dongle.
It should be added to the whitelist of devices to activate MAC address
pass through.

Per confirming with Realtek all devices containing RTL8153-BD should
activate MAC pass through and there won't use pass through bit on efuse
like in RTL8153-AD.

Signed-off-by: default avatarDavid Chen <david.chen7@dell.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f2ffff08

drivers/net/usb/r8152.c

+3 −2
Original line number Diff line number Diff line
@@ -557,6 +557,7 @@ enum spd_duplex { 
/* MAC PASSTHRU */

#define AD_MASK			0xfee0

#define BND_MASK		0x0004

#define BD_MASK			0x0001

#define EFUSE			0xcfdb

#define PASS_THRU_MASK		0x1
@@ -1176,9 +1177,9 @@ static int vendor_mac_passthru_addr_read(struct r8152 *tp, struct sockaddr *sa) 
			return -ENODEV;

		}

	} else {

		/* test for RTL8153-BND */

		/* test for RTL8153-BND and RTL8153-BD */

		ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_MISC_1);

		if ((ocp_data & BND_MASK) == 0) {

		if ((ocp_data & BND_MASK) == 0 && (ocp_data & BD_MASK)) {

			netif_dbg(tp, probe, tp->netdev,

				  "Invalid variant for MAC pass through\n");

			return -ENODEV;