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net: asix: add support for AX88772B

PATCH New Lucas Stach 4 participants 4 messages Aug 20, 2012 USB

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Lucas Stach

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#0 lore raw

PATCH v2 1/1 net: asix: add support for AX88772B

There are multiple changes needed to make AX88772B work:

1. add vendor and product ID (trivial)

2. We need to read out the MAC address from the EEPROM and write it into the NodeID register manually.

3. The packet length check has to be adjusted, as all ASIX chips only use 11 bits to indicate the length. AX88772B uses the other bits to indicate unrelated things, which cause the check to fail. This fix is based on a fix for the Linux kernel by Marek Vasut. Linux upstream commit: bca0beb9363f8487ac902931a50eb00180a2d14a

4. AX88772B provides several bulk endpoints. Only the first IN/OUT endpoints work in the default configuration. So stop enumeration after we found them to avoid overwriting the endpoint config with a non-working one.

This was tested to work on a Colibri T20 board.
Patch is based on u-boot-net/next.

v2:
- split out eeprom mac load into separate function
- add flags to driver to get a clean way to enable workarounds or special functions

Signed-off-by Lucas Stach <[email protected]>
---
 drivers/usb/eth/asix.c | 91 ++++++++++++++++++++++++++++++++++++++------------
 include/usb_ether.h    |  3 ++

2 Dateien ge?ndert, 73 Zeilen hinzugef?gt(+), 21 Zeilen entfernt(-)

drivers/usb/eth/asix.c +70 -21
index 8fb7fc8..bfa76d3 100644
@@ -31,10 +31,12 @@
 #define AX_CMD_READ_MII_REG		0x07
 #define AX_CMD_WRITE_MII_REG		0x08
 #define AX_CMD_SET_HW_MII		0x0a
+#define AX_CMD_READ_EEPROM		0x0b
 #define AX_CMD_READ_RX_CTL		0x0f
 #define AX_CMD_WRITE_RX_CTL		0x10
 #define AX_CMD_WRITE_IPG0		0x12
 #define AX_CMD_READ_NODE_ID		0x13
+#define AX_CMD_WRITE_NODE_ID	0x14
 #define AX_CMD_READ_PHY_ID		0x19
 #define AX_CMD_WRITE_MEDIUM_MODE	0x1b
 #define AX_CMD_WRITE_GPIOS		0x1f

@@ -97,6 +99,10 @@
 #define AX_RX_URB_SIZE 2048
 #define PHY_CONNECT_TIMEOUT 5000
 
+/* asix_flags defines */
+#define FLAG_NONE			0
+#define FLAG_EEPROM_MAC		(1U << 0) /* needs manual load of mac address */
+
 /* local vars */
 static int curr_eth_dev; /* index for name of next device detected */
 

@@ -310,6 +316,35 @@ static int mii_nway_restart(struct ueth_data *dev)
 	return r;
 }
 
+static int asix_load_mac_from_eeprom(struct ueth_data *dev)
+{
+	int i;
+	ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buf, ETH_ALEN);
+	ALLOC_CACHE_ALIGN_BUFFER(unsigned char, read_buf, 2);
+
+	memset(buf, 0, ETH_ALEN);
+
+	for (i = 0; i < (ETH_ALEN >> 1); i++) {
+		memset(read_buf, 0, 2);
+		if (asix_read_cmd(dev, AX_CMD_READ_EEPROM,
+		                  0x04 + i, 0, 2, read_buf)) {
+			debug("Failed to read SROM address 04h.\n");
+			return -1;
+		}
+		memcpy((buf + i*2), read_buf, 2);
+	}
+
+	debug("MAC read from EEPROM: %02x:%02x:%02x:%02x:%02x:%02x\n",
+	      buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
+
+	if (asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN, buf)) {
+		printf("Failed to set MAC address.\n");
+		return -1;
+	}
+
+	return 0;
+}
+
 /*
  * Asix callbacks
  */

@@ -359,6 +394,10 @@ static int asix_init(struct eth_device *eth, bd_t *bd)
 	rx_ctl = asix_read_rx_ctl(dev);
 	debug("RX_CTL is 0x%04x setting to 0x0000\n", rx_ctl);
 
+	if (dev->asix_flags & FLAG_EEPROM_MAC)
+		if (asix_load_mac_from_eeprom(dev))
+			goto out_err;
+
 	/* Get the MAC address */
 	if (asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
 				0, 0, ETH_ALEN, buf) < 0) {

@@ -493,13 +532,13 @@ static int asix_recv(struct eth_device *eth)
 		}
 		memcpy(&packet_len, buf_ptr, sizeof(packet_len));
 		le32_to_cpus(&packet_len);
-		if (((packet_len >> 16) ^ 0xffff) != (packet_len & 0xffff)) {
+		if (((~packet_len >> 16) & 0x7ff) != (packet_len & 0x7ff)) {
 			debug("Rx: malformed packet length: %#x (%#x:%#x)\n",
-			      packet_len, (packet_len >> 16) ^ 0xffff,
-			      packet_len & 0xffff);
+			      packet_len, (~packet_len >> 16) & 0x7ff,
+			      packet_len & 0x7ff);
 			return -1;
 		}
-		packet_len = packet_len & 0xffff;
+		packet_len = packet_len & 0x7ff;
 		if (packet_len > actual_len - sizeof(packet_len)) {
 			debug("Rx: too large packet: %d\n", packet_len);
 			return -1;

@@ -534,19 +573,21 @@ void asix_eth_before_probe(void)
 struct asix_dongle {
 	unsigned short vendor;
 	unsigned short product;
+	int flags;
 };
 
 static struct asix_dongle asix_dongles[] = {
-	{ 0x05ac, 0x1402 },	/* Apple USB Ethernet Adapter */
-	{ 0x07d1, 0x3c05 },	/* D-Link DUB-E100 H/W Ver B1 */
-	{ 0x0b95, 0x772a },	/* Cables-to-Go USB Ethernet Adapter */
-	{ 0x0b95, 0x7720 },	/* Trendnet TU2-ET100 V3.0R */
-	{ 0x0b95, 0x1720 },	/* SMC */
-	{ 0x0db0, 0xa877 },	/* MSI - ASIX 88772a */
-	{ 0x13b1, 0x0018 },	/* Linksys 200M v2.1 */
-	{ 0x1557, 0x7720 },	/* 0Q0 cable ethernet */
-	{ 0x2001, 0x3c05 },	/* DLink DUB-E100 H/W Ver B1 Alternate */
-	{ 0x0000, 0x0000 }	/* END - Do not remove */
+	{ 0x05ac, 0x1402, FLAG_NONE },	/* Apple USB Ethernet Adapter */
+	{ 0x07d1, 0x3c05, FLAG_NONE },	/* D-Link DUB-E100 H/W Ver B1 */
+	{ 0x0b95, 0x772a, FLAG_NONE },	/* Cables-to-Go USB Ethernet Adapter */
+	{ 0x0b95, 0x7720, FLAG_NONE },	/* Trendnet TU2-ET100 V3.0R */
+	{ 0x0b95, 0x1720, FLAG_NONE },	/* SMC */
+	{ 0x0db0, 0xa877, FLAG_NONE },	/* MSI - ASIX 88772a */
+	{ 0x13b1, 0x0018, FLAG_NONE },	/* Linksys 200M v2.1 */
+	{ 0x1557, 0x7720, FLAG_NONE },	/* 0Q0 cable ethernet */
+	{ 0x2001, 0x3c05, FLAG_NONE },	/* DLink DUB-E100 H/W Ver B1 Alternate */
+	{ 0x0b95, 0x772b, FLAG_EEPROM_MAC },	/* ASIX 88772B */
+	{ 0x0000, 0x0000, FLAG_NONE }	/* END - Do not remove */
 };
 
 /* Probe to see if a new device is actually an asix device */

@@ -555,6 +596,7 @@ int asix_eth_probe(struct usb_device *dev, unsigned int ifnum,
 {
 	struct usb_interface *iface;
 	struct usb_interface_descriptor *iface_desc;
+	int ep_in_found = 0, ep_out_found = 0;
 	int i;
 
 	/* let's examine the device now */

@@ -582,6 +624,7 @@ int asix_eth_probe(struct usb_device *dev, unsigned int ifnum,
 	ss->pusb_dev = dev;
 	ss->subclass = iface_desc->bInterfaceSubClass;
 	ss->protocol = iface_desc->bInterfaceProtocol;
+	ss->asix_flags = asix_dongles[i].flags;
 
 	/*
 	 * We are expecting a minimum of 3 endpoints - in, out (bulk), and

@@ -591,13 +634,19 @@ int asix_eth_probe(struct usb_device *dev, unsigned int ifnum,
 		/* is it an BULK endpoint? */
 		if ((iface->ep_desc[i].bmAttributes &
 		     USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) {
-			if (iface->ep_desc[i].bEndpointAddress & USB_DIR_IN)
-				ss->ep_in = iface->ep_desc[i].bEndpointAddress &
-					USB_ENDPOINT_NUMBER_MASK;
-			else
-				ss->ep_out =
-					iface->ep_desc[i].bEndpointAddress &
-					USB_ENDPOINT_NUMBER_MASK;
+			if (iface->ep_desc[i].bEndpointAddress & USB_DIR_IN) {
+				if (!ep_in_found) {
+					ss->ep_in = iface->ep_desc[i].bEndpointAddress &
+					            USB_ENDPOINT_NUMBER_MASK;
+					ep_in_found = 1;
+				}
+			} else {
+				if (!ep_out_found) {
+					ss->ep_out = iface->ep_desc[i].bEndpointAddress &
+					             USB_ENDPOINT_NUMBER_MASK;
+					ep_out_found = 1;
+				}
+			}
 		}
 
 		/* is it an interrupt endpoint? */
include/usb_ether.h +3 -0
index a7fb26b..a63fa74 100644
@@ -56,6 +56,9 @@ struct ueth_data {
 	u32 mac_cr;  /* MAC control register value */
 	int have_hwaddr;  /* 1 if we have a hardware MAC address */
 #endif
+#ifdef CONFIG_USB_ETHER_ASIX
+	int asix_flags;
+#endif
 };
 
 /*
Signature · 1 line
1.7.11.4
#1 lore raw

PATCH v2 1/1 net: asix: add support for AX88772B

Dear Lucas Stach,

Quoted 18 lines

There are multiple changes needed to make AX88772B work:

1. add vendor and product ID (trivial)

2. We need to read out the MAC address from the EEPROM and write it into the NodeID register manually.

3. The packet length check has to be adjusted, as all ASIX chips only use 11 bits to indicate the length. AX88772B uses the other bits to indicate unrelated things, which cause the check to fail. This fix is based on a fix for the Linux kernel by Marek Vasut. Linux upstream commit: bca0beb9363f8487ac902931a50eb00180a2d14a

4. AX88772B provides several bulk endpoints. Only the first IN/OUT endpoints work in the default configuration. So stop enumeration after we found them to avoid overwriting the endpoint config with a non-working one.

Quoted 7 lines

This was tested to work on a Colibri T20 board.
Patch is based on u-boot-net/next.

v2:
- split out eeprom mac load into separate function
- add flags to driver to get a clean way to enable workarounds or special functions

[...]

Quick review looks fine to me, Joe?

Best regards,
Marek Vasut

#2 lore raw

PATCH v2 1/1 net: asix: add support for AX88772B

In reply to Lucas Stach

drivers/usb/eth/asix.c static int mii_nway_restart(struct ueth_data *dev) · line 325

Quoted 1 line · On Monday 20 August 2012 13:52:18 Lucas Stach wrote:
drivers/usb/eth/asix.c +1 -0
+	memset(buf, 0, ETH_ALEN);

this memset is pointless

drivers/usb/eth/asix.c static int mii_nway_restart(struct ueth_data *dev) · line 328

Quoted 2 lines
drivers/usb/eth/asix.c +2 -0
+	for (i = 0; i < (ETH_ALEN >> 1); i++) {
+		memset(read_buf, 0, 2);

this memset is pointless

drivers/usb/eth/asix.c static int mii_nway_restart(struct ueth_data *dev) · line 334

Quoted 1 line
drivers/usb/eth/asix.c +1 -0
+		memcpy((buf + i*2), read_buf, 2);

use spaces: "i * 2"

drivers/usb/eth/asix.c static int mii_nway_restart(struct ueth_data *dev) · line 338

Quoted 2 lines
drivers/usb/eth/asix.c +2 -0
+	debug("MAC read from EEPROM: %02x:%02x:%02x:%02x:%02x:%02x\n",
+	      buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);

use %pM instead of spelling out each byte yourself

drivers/usb/eth/asix.c static int mii_nway_restart(struct ueth_data *dev) · line 346

Quoted 7 lines
drivers/usb/eth/asix.c +7 -0
+	if (asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN, buf)) {
+		printf("Failed to set MAC address.\n");
+		return -1;
+	}
+
+	return 0;
+}

ret = asix_write_cmd(...)
if (ret)

	puts(...);

return ret;

Quoted 1 line

static struct asix_dongle asix_dongles[] = {

this probably should be const

include/usb_ether.h struct ueth_data { · line 62

Quoted 7 lines
include/usb_ether.h +3 -0
 
+#ifdef CONFIG_USB_ETHER_ASIX
+	int asix_flags;
+#endif
 };

looks like the usb ether stack is fundamentally flawed if drivers are allowed to screw with the structure. this is what "void *priv" fields are for. -mike
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#3 lore raw

PATCH v2 1/1 net: asix: add support for AX88772B

In reply to Lucas Stach

Hi Lucas,

Quoted 71 lines · Lucas Stach

There are multiple changes needed to make AX88772B work:

1. add vendor and product ID (trivial)

2. We need to read out the MAC address from the EEPROM and write it into the NodeID register manually.

3. The packet length check has to be adjusted, as all ASIX chips only use 11 bits to indicate the length. AX88772B uses the other bits to indicate unrelated things, which cause the check to fail. This fix is based on a fix for the Linux kernel by Marek Vasut. Linux upstream commit: bca0beb9363f8487ac902931a50eb00180a2d14a

4. AX88772B provides several bulk endpoints. Only the first IN/OUT endpoints work in the default configuration. So stop enumeration after we found them to avoid overwriting the endpoint config with a non-working one.

This was tested to work on a Colibri T20 board.
Patch is based on u-boot-net/next.

v2:
- split out eeprom mac load into separate function
- add flags to driver to get a clean way to enable workarounds or special functions

Signed-off-by Lucas Stach <[email protected]>
---
 drivers/usb/eth/asix.c | 91 ++++++++++++++++++++++++++++++++++++++------------
 include/usb_ether.h    |  3 ++

2 Dateien ge?ndert, 73 Zeilen hinzugef?gt(+), 21 Zeilen entfernt(-)

drivers/usb/eth/asix.c +13 -0
index 8fb7fc8..bfa76d3 100644
@@ -31,10 +31,12 @@
 #define AX_CMD_READ_MII_REG            0x07
 #define AX_CMD_WRITE_MII_REG           0x08
 #define AX_CMD_SET_HW_MII              0x0a
+#define AX_CMD_READ_EEPROM             0x0b
 #define AX_CMD_READ_RX_CTL             0x0f
 #define AX_CMD_WRITE_RX_CTL            0x10
 #define AX_CMD_WRITE_IPG0              0x12
 #define AX_CMD_READ_NODE_ID            0x13
+#define AX_CMD_WRITE_NODE_ID   0x14
 #define AX_CMD_READ_PHY_ID             0x19
 #define AX_CMD_WRITE_MEDIUM_MODE       0x1b
 #define AX_CMD_WRITE_GPIOS             0x1f

@@ -97,6 +99,10 @@
 #define AX_RX_URB_SIZE 2048
 #define PHY_CONNECT_TIMEOUT 5000
 
+/* asix_flags defines */
+#define FLAG_NONE                      0
+#define FLAG_EEPROM_MAC                (1U << 0) /* needs manual load of mac address */
+
 /* local vars */
 static int curr_eth_dev; /* index for name of next device detected */
 

@@ -310,6 +316,35 @@ static int mii_nway_restart(struct ueth_data *dev)
        return r;
 }
 
+static int asix_load_mac_from_eeprom(struct ueth_data *dev)
+{
+       int i;
+       ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buf, ETH_ALEN);
+       ALLOC_CACHE_ALIGN_BUFFER(unsigned char, read_buf, 2);
+
+       memset(buf, 0, ETH_ALEN);

drivers/usb/eth/asix.c static int mii_nway_restart(struct ueth_data *dev) · line 335

Quoted 10 lines
drivers/usb/eth/asix.c +10 -0
+
+       for (i = 0; i < (ETH_ALEN >> 1); i++) {
+               memset(read_buf, 0, 2);
+               if (asix_read_cmd(dev, AX_CMD_READ_EEPROM,
+                                 0x04 + i, 0, 2, read_buf)) {
+                       debug("Failed to read SROM address 04h.\n");
+                       return -1;
+               }
+               memcpy((buf + i*2), read_buf, 2);
+       }

This should be written to eth->enetaddr in asix_init(). That means that if you need to read from the EEPROM, then do that, otherwise do what you currently do (AX_CMD_READ_NODE_ID). Perhaps just pass in a pointer to eth->enetaddr to this function and store it there.

drivers/usb/eth/asix.c static int mii_nway_restart(struct ueth_data *dev) · line 343

Quoted 8 lines
drivers/usb/eth/asix.c +8 -0
+
+       debug("MAC read from EEPROM: %02x:%02x:%02x:%02x:%02x:%02x\n",
+             buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
+
+       if (asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN, buf)) {
+               printf("Failed to set MAC address.\n");
+               return -1;
+       }

This write should be a separate function and should be registered as write_hwaddr in asix_eth_get_info();

Quoted 132 lines
drivers/usb/eth/asix.c +39 -21
+
+       return 0;
+}
+
 /*
  * Asix callbacks
  */

@@ -359,6 +394,10 @@ static int asix_init(struct eth_device *eth, bd_t *bd)
        rx_ctl = asix_read_rx_ctl(dev);
        debug("RX_CTL is 0x%04x setting to 0x0000\n", rx_ctl);
 
+       if (dev->asix_flags & FLAG_EEPROM_MAC)
+               if (asix_load_mac_from_eeprom(dev))
+                       goto out_err;
+
        /* Get the MAC address */
        if (asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
                                0, 0, ETH_ALEN, buf) < 0) {

@@ -493,13 +532,13 @@ static int asix_recv(struct eth_device *eth)
                }
                memcpy(&packet_len, buf_ptr, sizeof(packet_len));
                le32_to_cpus(&packet_len);
-               if (((packet_len >> 16) ^ 0xffff) != (packet_len & 0xffff)) {
+               if (((~packet_len >> 16) & 0x7ff) != (packet_len & 0x7ff)) {
                        debug("Rx: malformed packet length: %#x (%#x:%#x)\n",
-                             packet_len, (packet_len >> 16) ^ 0xffff,
-                             packet_len & 0xffff);
+                             packet_len, (~packet_len >> 16) & 0x7ff,
+                             packet_len & 0x7ff);
                        return -1;
                }
-               packet_len = packet_len & 0xffff;
+               packet_len = packet_len & 0x7ff;
                if (packet_len > actual_len - sizeof(packet_len)) {
                        debug("Rx: too large packet: %d\n", packet_len);
                        return -1;

@@ -534,19 +573,21 @@ void asix_eth_before_probe(void)
 struct asix_dongle {
        unsigned short vendor;
        unsigned short product;
+       int flags;
 };
 
 static struct asix_dongle asix_dongles[] = {
-       { 0x05ac, 0x1402 },     /* Apple USB Ethernet Adapter */
-       { 0x07d1, 0x3c05 },     /* D-Link DUB-E100 H/W Ver B1 */
-       { 0x0b95, 0x772a },     /* Cables-to-Go USB Ethernet Adapter */
-       { 0x0b95, 0x7720 },     /* Trendnet TU2-ET100 V3.0R */
-       { 0x0b95, 0x1720 },     /* SMC */
-       { 0x0db0, 0xa877 },     /* MSI - ASIX 88772a */
-       { 0x13b1, 0x0018 },     /* Linksys 200M v2.1 */
-       { 0x1557, 0x7720 },     /* 0Q0 cable ethernet */
-       { 0x2001, 0x3c05 },     /* DLink DUB-E100 H/W Ver B1 Alternate */
-       { 0x0000, 0x0000 }      /* END - Do not remove */
+       { 0x05ac, 0x1402, FLAG_NONE },  /* Apple USB Ethernet Adapter */
+       { 0x07d1, 0x3c05, FLAG_NONE },  /* D-Link DUB-E100 H/W Ver B1 */
+       { 0x0b95, 0x772a, FLAG_NONE },  /* Cables-to-Go USB Ethernet Adapter */
+       { 0x0b95, 0x7720, FLAG_NONE },  /* Trendnet TU2-ET100 V3.0R */
+       { 0x0b95, 0x1720, FLAG_NONE },  /* SMC */
+       { 0x0db0, 0xa877, FLAG_NONE },  /* MSI - ASIX 88772a */
+       { 0x13b1, 0x0018, FLAG_NONE },  /* Linksys 200M v2.1 */
+       { 0x1557, 0x7720, FLAG_NONE },  /* 0Q0 cable ethernet */
+       { 0x2001, 0x3c05, FLAG_NONE },  /* DLink DUB-E100 H/W Ver B1 Alternate */
+       { 0x0b95, 0x772b, FLAG_EEPROM_MAC },    /* ASIX 88772B */
+       { 0x0000, 0x0000, FLAG_NONE }   /* END - Do not remove */
 };
 
 /* Probe to see if a new device is actually an asix device */

@@ -555,6 +596,7 @@ int asix_eth_probe(struct usb_device *dev, unsigned int ifnum,
 {
        struct usb_interface *iface;
        struct usb_interface_descriptor *iface_desc;
+       int ep_in_found = 0, ep_out_found = 0;
        int i;
 
        /* let's examine the device now */

@@ -582,6 +624,7 @@ int asix_eth_probe(struct usb_device *dev, unsigned int ifnum,
        ss->pusb_dev = dev;
        ss->subclass = iface_desc->bInterfaceSubClass;
        ss->protocol = iface_desc->bInterfaceProtocol;
+       ss->asix_flags = asix_dongles[i].flags;
 
        /*
         * We are expecting a minimum of 3 endpoints - in, out (bulk), and

@@ -591,13 +634,19 @@ int asix_eth_probe(struct usb_device *dev, unsigned int ifnum,
                /* is it an BULK endpoint? */
                if ((iface->ep_desc[i].bmAttributes &
                     USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) {
-                       if (iface->ep_desc[i].bEndpointAddress & USB_DIR_IN)
-                               ss->ep_in = iface->ep_desc[i].bEndpointAddress &
-                                       USB_ENDPOINT_NUMBER_MASK;
-                       else
-                               ss->ep_out =
-                                       iface->ep_desc[i].bEndpointAddress &
-                                       USB_ENDPOINT_NUMBER_MASK;
+                       if (iface->ep_desc[i].bEndpointAddress & USB_DIR_IN) {
+                               if (!ep_in_found) {
+                                       ss->ep_in = iface->ep_desc[i].bEndpointAddress &
+                                                   USB_ENDPOINT_NUMBER_MASK;
+                                       ep_in_found = 1;
+                               }
+                       } else {
+                               if (!ep_out_found) {
+                                       ss->ep_out = iface->ep_desc[i].bEndpointAddress &
+                                                    USB_ENDPOINT_NUMBER_MASK;
+                                       ep_out_found = 1;
+                               }
+                       }
                }
 
                /* is it an interrupt endpoint? */
include/usb_ether.h +3 -1
index a7fb26b..a63fa74 100644
@@ -56,6 +56,9 @@ struct ueth_data {
        u32 mac_cr;  /* MAC control register value */
        int have_hwaddr;  /* 1 if we have a hardware MAC address */
 #endif
+#ifdef CONFIG_USB_ETHER_ASIX
+       int asix_flags;
+#endif
 };
 
 /*
--

1.7.11.4

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