From afbffe9fcd7261cfcf8ff462ad81aea553b2241a Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Thu, 2 Feb 2012 08:23:54 +0000
Subject: kernel: add preliminary support for linux 3.3

Based on 3.3-rc2

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29986 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 .../generic/patches-3.3/721-phy_packets.patch      | 63 ++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 target/linux/generic/patches-3.3/721-phy_packets.patch

(limited to 'target/linux/generic/patches-3.3/721-phy_packets.patch')

diff --git a/target/linux/generic/patches-3.3/721-phy_packets.patch b/target/linux/generic/patches-3.3/721-phy_packets.patch
new file mode 100644
index 0000000000..e5663715f4
--- /dev/null
+++ b/target/linux/generic/patches-3.3/721-phy_packets.patch
@@ -0,0 +1,63 @@
+--- a/drivers/net/phy/phy_device.c
++++ b/drivers/net/phy/phy_device.c
+@@ -149,6 +149,18 @@ int phy_scan_fixups(struct phy_device *p
+ }
+ EXPORT_SYMBOL(phy_scan_fixups);
+ 
++static int generic_receive_skb(struct sk_buff *skb)
++{
++	skb->protocol = eth_type_trans(skb, skb->dev);
++	return netif_receive_skb(skb);
++}
++
++static int generic_rx(struct sk_buff *skb)
++{
++	skb->protocol = eth_type_trans(skb, skb->dev);
++	return netif_rx(skb);
++}
++
+ static struct phy_device* phy_device_create(struct mii_bus *bus,
+ 					    int addr, int phy_id)
+ {
+@@ -180,6 +192,8 @@ static struct phy_device* phy_device_cre
+ 	dev_set_name(&dev->dev, PHY_ID_FMT, bus->id, addr);
+ 
+ 	dev->state = PHY_DOWN;
++	dev->netif_receive_skb = &generic_receive_skb;
++	dev->netif_rx = &generic_rx;
+ 
+ 	mutex_init(&dev->lock);
+ 	INIT_DELAYED_WORK(&dev->state_queue, phy_state_machine);
+--- a/include/linux/phy.h
++++ b/include/linux/phy.h
+@@ -339,6 +339,20 @@ struct phy_device {
+ 	void (*adjust_link)(struct net_device *dev);
+ 
+ 	void (*adjust_state)(struct net_device *dev);
++
++	/*
++	 * By default these point to the original functions
++	 * with the same name. adding them to the phy_device
++	 * allows the phy driver to override them for packet
++	 * mangling if the ethernet driver supports it
++	 * This is required to support some really horrible
++	 * switches such as the Marvell 88E6060
++	 */
++	int (*netif_receive_skb)(struct sk_buff *skb);
++	int (*netif_rx)(struct sk_buff *skb);
++
++	/* alignment offset for packets */
++	int pkt_align;
+ };
+ #define to_phy_device(d) container_of(d, struct phy_device, dev)
+ 
+--- a/include/linux/netdevice.h
++++ b/include/linux/netdevice.h
+@@ -1134,6 +1134,7 @@ struct net_device {
+ 	void			*ax25_ptr;	/* AX.25 specific data */
+ 	struct wireless_dev	*ieee80211_ptr;	/* IEEE 802.11 specific data,
+ 						   assign before registering */
++	void			*phy_ptr; /* PHY device specific data */
+ 
+ /*
+  * Cache lines mostly used on receive path (including eth_type_trans())
-- 
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