netdev - [PATCH 2/2] net/usb/mcs7830: add set_mac

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <200808232208.47578.arnd@arndb.de>
Date:	Sat, 23 Aug 2008 22:08:47 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	David Brownell <dbrownell@...rs.sourceforge.net>
Cc:	linux-usb@...r.kernel.org, netdev@...r.kernel.org,
	Jeff Garzik <jgarzik@...ox.com>,
	Oliver Martin <oliver.martin@...dent.tuwien.ac.at>
Subject: [PATCH 2/2] net/usb/mcs7830: add set_mac_address

From: Oliver Martin <oliver.martin@...dent.tuwien.ac.at>

Implement set_mac_address for mcs7830. This enables me to use it with my
cable modem. Tested (and using it right now) with 2.6.26, tested to
compile with 2.6.27-rc4

Signed-off-by: Oliver Martin <oliver.martin@...dent.tuwien.ac.at>
Signed-off-by: Arnd Bergmann <arnd@...db.de>

--- linux-2.6.26/drivers/net/usb/mcs7830.c.orig	2008-08-23 01:44:26.000000000 +0200
+++ linux-2.6.26/drivers/net/usb/mcs7830.c	2008-08-23 02:26:28.000000000 +0200
@@ -442,6 +442,29 @@ static struct ethtool_ops mcs7830_ethtoo
 	.nway_reset		= usbnet_nway_reset,
 };
 
+static int mcs7830_set_mac_address(struct net_device *netdev, void *p)
+{
+	int ret;
+	struct usbnet *dev = netdev_priv(netdev);
+	struct sockaddr *addr = p;
+
+	if (netif_running(netdev))
+		return -EBUSY;
+
+	if (!is_valid_ether_addr(addr->sa_data))
+		return -EINVAL;
+
+	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
+
+	ret = mcs7830_set_reg(dev, HIF_REG_ETHERNET_ADDR, ETH_ALEN,
+			netdev->dev_addr);
+
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
 static int mcs7830_bind(struct usbnet *dev, struct usb_interface *udev)
 {
 	struct net_device *net = dev->net;
@@ -455,6 +478,7 @@ static int mcs7830_bind(struct usbnet *d
 	net->ethtool_ops = &mcs7830_ethtool_ops;
 	net->set_multicast_list = mcs7830_set_multicast;
 	mcs7830_set_multicast(net);
+	net->set_mac_address = mcs7830_set_mac_address;
 
 	/* reserve space for the status byte on rx */
 	dev->rx_urb_size = ETH_FRAME_LEN + 1;

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html