From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 6 May 2012 21:19:14 +0000 (+0000)
Subject: kernel: rewrite the phy packet hook, put it in the network stack to avoid having... 
X-Git-Tag: v19.07.0-rc1~24660
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=0ff3c396d39e762cb0230eb84b9bd1d29dddc520;p=openwrt%2Fstaging%2Fhauke.git

kernel: rewrite the phy packet hook, put it in the network stack to avoid having to keep non-upstream ethernet driver changes

SVN-Revision: 31637
---

diff --git a/target/linux/ar7/patches-3.3/973-cpmac_handle_mvswitch.patch b/target/linux/ar7/patches-3.3/973-cpmac_handle_mvswitch.patch
deleted file mode 100644
index 9c2ab5057b..0000000000
--- a/target/linux/ar7/patches-3.3/973-cpmac_handle_mvswitch.patch
+++ /dev/null
@@ -1,70 +0,0 @@
---- a/drivers/net/ethernet/ti/cpmac.c
-+++ b/drivers/net/ethernet/ti/cpmac.c
-@@ -373,6 +373,7 @@ static struct sk_buff *cpmac_rx_one(stru
- 				    struct cpmac_desc *desc)
- {
- 	struct sk_buff *skb, *result = NULL;
-+	int offset;
- 
- 	if (unlikely(netif_msg_hw(priv)))
- 		cpmac_dump_desc(priv->dev, desc);
-@@ -384,10 +385,15 @@ static struct sk_buff *cpmac_rx_one(stru
- 		return NULL;
- 	}
- 
--	skb = netdev_alloc_skb_ip_align(priv->dev, CPMAC_SKB_SIZE);
-+	skb = netdev_alloc_skb(priv->dev, CPMAC_SKB_SIZE);
- 	if (likely(skb)) {
-+		offset = 2;
-+		if (priv->phy) {
-+			offset += priv->phy->pkt_align;
-+		}
-+		skb_reserve(skb, offset);
-+
- 		skb_put(desc->skb, desc->datalen);
--		desc->skb->protocol = eth_type_trans(desc->skb, priv->dev);
- 		skb_checksum_none_assert(desc->skb);
- 		priv->dev->stats.rx_packets++;
- 		priv->dev->stats.rx_bytes += desc->datalen;
-@@ -459,7 +465,12 @@ static int cpmac_poll(struct napi_struct
- 
- 		skb = cpmac_rx_one(priv, desc);
- 		if (likely(skb)) {
--			netif_receive_skb(skb);
-+			if (priv->phy->netif_receive_skb) {
-+				priv->phy->netif_receive_skb(skb);
-+			} else {
-+				skb->protocol = eth_type_trans(skb, priv->dev);
-+				netif_receive_skb(skb);
-+			}
- 			received++;
- 		}
- 		desc = desc->next;
-@@ -952,7 +963,7 @@ static void cpmac_adjust_link(struct net
- 
- static int cpmac_open(struct net_device *dev)
- {
--	int i, size, res;
-+	int i, size, res, offset;
- 	struct cpmac_priv *priv = netdev_priv(dev);
- 	struct resource *mem;
- 	struct cpmac_desc *desc;
-@@ -991,11 +1002,17 @@ static int cpmac_open(struct net_device
- 
- 	priv->rx_head = &priv->desc_ring[CPMAC_QUEUES];
- 	for (i = 0, desc = priv->rx_head; i < priv->ring_size; i++, desc++) {
--		skb = netdev_alloc_skb_ip_align(dev, CPMAC_SKB_SIZE);
-+		skb = netdev_alloc_skb(dev, CPMAC_SKB_SIZE);
- 		if (unlikely(!skb)) {
- 			res = -ENOMEM;
- 			goto fail_desc;
- 		}
-+		offset = 2;
-+		if (priv->phy) {
-+			offset += priv->phy->pkt_align;
-+		}
-+		skb_reserve(skb, offset);
-+
- 		desc->skb = skb;
- 		desc->data_mapping = dma_map_single(&dev->dev, skb->data,
- 						    CPMAC_SKB_SIZE,
diff --git a/target/linux/ar71xx/config-3.3 b/target/linux/ar71xx/config-3.3
index 344c5e8c48..68efa2cf14 100644
--- a/target/linux/ar71xx/config-3.3
+++ b/target/linux/ar71xx/config-3.3
@@ -102,6 +102,7 @@ CONFIG_CSRC_R4K_LIB=y
 CONFIG_DECOMPRESS_LZMA=y
 CONFIG_DMA_NONCOHERENT=y
 CONFIG_EARLY_PRINTK=y
+CONFIG_ETHERNET_PACKET_MANGLE=y
 CONFIG_GENERIC_ATOMIC64=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
diff --git a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
index 4687e2091b..6d1aff7f7e 100644
--- a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
+++ b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c
@@ -196,28 +196,24 @@ static void ag71xx_ring_rx_clean(struct ag71xx *ag)
 		}
 }
 
-static int ag71xx_rx_reserve(struct ag71xx *ag)
+struct sk_buff *ag71xx_rx_alloc(struct ag71xx *ag)
 {
-	int reserve = 0;
-
-	if (ag71xx_get_pdata(ag)->is_ar724x) {
-		if (!ag71xx_has_ar8216(ag))
-			reserve = 2;
-
-		if (ag->phy_dev)
-			reserve += 4 - (ag->phy_dev->pkt_align % 4);
-
-		reserve %= 4;
-	}
+	/*
+	 * On AR71xx/AR91xx packets must be 4-byte aligned.
+	 *
+	 * When using builtin AR8216 support, hardware adds a 2-byte header,
+	 * so we don't need any extra alignment in that case.
+	 */
+	if (!ag71xx_get_pdata(ag)->is_ar724x || ag71xx_has_ar8216(ag))
+		return netdev_alloc_skb(ag->dev, AG71XX_RX_PKT_SIZE);
 
-	return reserve + AG71XX_RX_PKT_RESERVE;
+	return netdev_alloc_skb_ip_align(ag->dev, AG71XX_RX_PKT_SIZE);
 }
 
 
 static int ag71xx_ring_rx_init(struct ag71xx *ag)
 {
 	struct ag71xx_ring *ring = &ag->rx_ring;
-	unsigned int reserve = ag71xx_rx_reserve(ag);
 	unsigned int i;
 	int ret;
 
@@ -235,15 +231,13 @@ static int ag71xx_ring_rx_init(struct ag71xx *ag)
 		struct sk_buff *skb;
 		dma_addr_t dma_addr;
 
-		skb = dev_alloc_skb(AG71XX_RX_PKT_SIZE + reserve);
+		skb = ag71xx_rx_alloc(ag);
 		if (!skb) {
 			ret = -ENOMEM;
 			break;
 		}
 
 		skb->dev = ag->dev;
-		skb_reserve(skb, reserve);
-
 		dma_addr = dma_map_single(&ag->dev->dev, skb->data,
 					  AG71XX_RX_PKT_SIZE,
 					  DMA_FROM_DEVICE);
@@ -265,7 +259,6 @@ static int ag71xx_ring_rx_init(struct ag71xx *ag)
 static int ag71xx_ring_rx_refill(struct ag71xx *ag)
 {
 	struct ag71xx_ring *ring = &ag->rx_ring;
-	unsigned int reserve = ag71xx_rx_reserve(ag);
 	unsigned int count;
 
 	count = 0;
@@ -278,11 +271,10 @@ static int ag71xx_ring_rx_refill(struct ag71xx *ag)
 			dma_addr_t dma_addr;
 			struct sk_buff *skb;
 
-			skb = dev_alloc_skb(AG71XX_RX_PKT_SIZE + reserve);
+			skb = ag71xx_rx_alloc(ag);
 			if (skb == NULL)
 				break;
 
-			skb_reserve(skb, reserve);
 			skb->dev = ag->dev;
 
 			dma_addr = dma_map_single(&ag->dev->dev, skb->data,
@@ -914,12 +906,8 @@ static int ag71xx_rx_packets(struct ag71xx *ag, int limit)
 		} else {
 			skb->dev = dev;
 			skb->ip_summed = CHECKSUM_NONE;
-			if (ag->phy_dev) {
-				ag->phy_dev->netif_receive_skb(skb);
-			} else {
-				skb->protocol = eth_type_trans(skb, dev);
-				netif_receive_skb(skb);
-			}
+			skb->protocol = eth_type_trans(skb, dev);
+			netif_receive_skb(skb);
 		}
 
 		ring->buf[i].skb = NULL;
diff --git a/target/linux/atheros/config-3.3 b/target/linux/atheros/config-3.3
index 6330cca082..fee89d191e 100644
--- a/target/linux/atheros/config-3.3
+++ b/target/linux/atheros/config-3.3
@@ -34,6 +34,7 @@ CONFIG_CSRC_R4K_LIB=y
 CONFIG_DECOMPRESS_LZMA=y
 CONFIG_DMA_NONCOHERENT=y
 CONFIG_EARLY_PRINTK=y
+CONFIG_ETHERNET_PACKET_MANGLE=y
 CONFIG_GENERIC_ATOMIC64=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
diff --git a/target/linux/atheros/patches-3.3/110-ar2313_ethernet.patch b/target/linux/atheros/patches-3.3/110-ar2313_ethernet.patch
index d3060da447..47c9dd622b 100644
--- a/target/linux/atheros/patches-3.3/110-ar2313_ethernet.patch
+++ b/target/linux/atheros/patches-3.3/110-ar2313_ethernet.patch
@@ -32,7 +32,7 @@
 +obj-$(CONFIG_NET_VENDOR_AR231X) += ar231x.o
 --- /dev/null
 +++ b/drivers/net/ethernet/ar231x/ar231x.c
-@@ -0,0 +1,1282 @@
+@@ -0,0 +1,1279 @@
 +/*
 + * ar231x.c: Linux driver for the Atheros AR231x Ethernet device.
 + *
@@ -784,7 +784,7 @@
 +		if (sp->rx_skb[idx])
 +			break;
 +
-+		skb = netdev_alloc_skb(dev, AR2313_BUFSIZE);
++		skb = netdev_alloc_skb_ip_align(dev, AR2313_BUFSIZE);
 +		if (!skb) {
 +			printk("\n\n\n\n %s: No memory in system\n\n\n\n",
 +				   __FUNCTION__);
@@ -795,7 +795,6 @@
 +		 * Make sure IP header starts on a fresh cache line.
 +		 */
 +		skb->dev = dev;
-+		skb_reserve(skb, RX_OFFSET);
 +		sp->rx_skb[idx] = skb;
 +
 +		rd = (ar231x_descr_t *) & sp->rx_ring[idx];
@@ -867,7 +866,7 @@
 +
 +		} else {
 +			/* alloc new buffer. */
-+			skb_new = netdev_alloc_skb(dev, AR2313_BUFSIZE + RX_OFFSET);
++			skb_new = netdev_alloc_skb_ip_align(dev, AR2313_BUFSIZE);
 +			if (skb_new != NULL) {
 +
 +				skb = sp->rx_skb[idx];
@@ -881,8 +880,6 @@
 +				netif_rx(skb);
 +
 +				skb_new->dev = dev;
-+				/* 16 bit align */
-+				skb_reserve(skb_new, RX_OFFSET);
 +				/* reset descriptor's curr_addr */
 +				rxdesc->addr = virt_to_phys(skb_new->data);
 +
diff --git a/target/linux/atheros/patches-3.3/200-ar2313_enable_mvswitch.patch b/target/linux/atheros/patches-3.3/200-ar2313_enable_mvswitch.patch
deleted file mode 100644
index 95a993de28..0000000000
--- a/target/linux/atheros/patches-3.3/200-ar2313_enable_mvswitch.patch
+++ /dev/null
@@ -1,70 +0,0 @@
---- a/drivers/net/ethernet/ar231x/ar231x.c
-+++ b/drivers/net/ethernet/ar231x/ar231x.c
-@@ -745,6 +745,7 @@ static void ar231x_load_rx_ring(struct n
- 	for (i = 0; i < nr_bufs; i++) {
- 		struct sk_buff *skb;
- 		ar231x_descr_t *rd;
-+		int offset = RX_OFFSET;
- 
- 		if (sp->rx_skb[idx])
- 			break;
-@@ -760,7 +761,9 @@ static void ar231x_load_rx_ring(struct n
- 		 * Make sure IP header starts on a fresh cache line.
- 		 */
- 		skb->dev = dev;
--		skb_reserve(skb, RX_OFFSET);
-+		if (sp->phy_dev)
-+			offset += sp->phy_dev->pkt_align;
-+		skb_reserve(skb, offset);
- 		sp->rx_skb[idx] = skb;
- 
- 		rd = (ar231x_descr_t *) & sp->rx_ring[idx];
-@@ -834,20 +837,23 @@ static int ar231x_rx_int(struct net_devi
- 			/* alloc new buffer. */
- 			skb_new = netdev_alloc_skb(dev, AR2313_BUFSIZE + RX_OFFSET);
- 			if (skb_new != NULL) {
-+				int offset;
- 
- 				skb = sp->rx_skb[idx];
- 				/* set skb */
- 				skb_put(skb,
- 						((status >> DMA_RX_LEN_SHIFT) & 0x3fff) - CRC_LEN);
--
- 				dev->stats.rx_bytes += skb->len;
--				skb->protocol = eth_type_trans(skb, dev);
--				/* pass the packet to upper layers */
--				netif_rx(skb);
- 
-+				/* pass the packet to upper layers */
-+				sp->rx(skb);
- 				skb_new->dev = dev;
-+
- 				/* 16 bit align */
--				skb_reserve(skb_new, RX_OFFSET);
-+				offset = RX_OFFSET;
-+				if (sp->phy_dev)
-+					offset += sp->phy_dev->pkt_align;
-+				skb_reserve(skb_new, offset);
- 				/* reset descriptor's curr_addr */
- 				rxdesc->addr = virt_to_phys(skb_new->data);
- 
-@@ -1258,6 +1264,8 @@ static int ar231x_mdiobus_probe (struct 
- 		return PTR_ERR(phydev);
- 	}
- 
-+	sp->rx = phydev->netif_rx;
-+
- 	/* mask with MAC supported features */
- 	phydev->supported &= (SUPPORTED_10baseT_Half
- 		| SUPPORTED_10baseT_Full
---- a/drivers/net/ethernet/ar231x/ar231x.h
-+++ b/drivers/net/ethernet/ar231x/ar231x.h
-@@ -222,6 +222,8 @@ typedef struct {
-  */
- struct ar231x_private {
- 	struct net_device *dev;
-+	int (*rx)(struct sk_buff *skb);
-+
- 	int version;
- 	u32 mb[2];
- 
diff --git a/target/linux/atheros/patches-3.3/220-enet_micrel_workaround.patch b/target/linux/atheros/patches-3.3/220-enet_micrel_workaround.patch
index 3536552e9e..56c7cd5459 100644
--- a/target/linux/atheros/patches-3.3/220-enet_micrel_workaround.patch
+++ b/target/linux/atheros/patches-3.3/220-enet_micrel_workaround.patch
@@ -43,21 +43,7 @@
  	kfree(dev);
  	return 0;
  }
-@@ -846,7 +864,12 @@ static int ar231x_rx_int(struct net_devi
- 				dev->stats.rx_bytes += skb->len;
- 
- 				/* pass the packet to upper layers */
--				sp->rx(skb);
-+				if (sp->rx) {
-+					sp->rx(skb);
-+				} else {
-+					skb->protocol = eth_type_trans(skb, skb->dev);
-+					netif_rx(skb);
-+				}
- 				skb_new->dev = dev;
- 
- 				/* 16 bit align */
-@@ -1142,6 +1165,9 @@ static int ar231x_ioctl(struct net_devic
+@@ -1133,6 +1151,9 @@ static int ar231x_ioctl(struct net_devic
  	struct ar231x_private *sp = netdev_priv(dev);
  	int ret;
  
diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c
index da83a50a94..7a38d1f1be 100644
--- a/target/linux/generic/files/drivers/net/phy/ar8216.c
+++ b/target/linux/generic/files/drivers/net/phy/ar8216.c
@@ -221,8 +221,8 @@ ar8216_read_port_link(struct ar8216_priv *priv, int port,
 	}
 }
 
-static int
-ar8216_mangle_tx(struct sk_buff *skb, struct net_device *dev)
+static struct sk_buff *
+ar8216_mangle_tx(struct net_device *dev, struct sk_buff *skb)
 {
 	struct ar8216_priv *priv = dev->phy_ptr;
 	unsigned char *buf;
@@ -243,32 +243,27 @@ ar8216_mangle_tx(struct sk_buff *skb, struct net_device *dev)
 	buf[1] = 0x80;
 
 send:
-	return priv->ndo_old->ndo_start_xmit(skb, dev);
+	return skb;
 
 error:
 	dev_kfree_skb_any(skb);
-	return 0;
+	return NULL;
 }
 
-static int
-ar8216_mangle_rx(struct sk_buff *skb, int napi)
+static void
+ar8216_mangle_rx(struct net_device *dev, struct sk_buff *skb)
 {
 	struct ar8216_priv *priv;
-	struct net_device *dev;
 	unsigned char *buf;
 	int port, vlan;
 
-	dev = skb->dev;
-	if (!dev)
-		goto error;
-
 	priv = dev->phy_ptr;
 	if (!priv)
-		goto error;
+		return;
 
 	/* don't strip the header if vlan mode is disabled */
 	if (!priv->vlan)
-		goto recv;
+		return;
 
 	/* strip header, get vlan id */
 	buf = skb->data;
@@ -276,13 +271,13 @@ ar8216_mangle_rx(struct sk_buff *skb, int napi)
 
 	/* check for vlan header presence */
 	if ((buf[12 + 2] != 0x81) || (buf[13 + 2] != 0x00))
-		goto recv;
+		return;
 
 	port = buf[0] & 0xf;
 
 	/* no need to fix up packets coming from a tagged source */
 	if (priv->vlan_tagged & (1 << port))
-		goto recv;
+		return;
 
 	/* lookup port vid from local table, the switch passes an invalid vlan id */
 	vlan = priv->vlan_id[priv->pvid[port]];
@@ -290,31 +285,6 @@ ar8216_mangle_rx(struct sk_buff *skb, int napi)
 	buf[14 + 2] &= 0xf0;
 	buf[14 + 2] |= vlan >> 8;
 	buf[15 + 2] = vlan & 0xff;
-
-recv:
-	skb->protocol = eth_type_trans(skb, skb->dev);
-
-	if (napi)
-		return netif_receive_skb(skb);
-	else
-		return netif_rx(skb);
-
-error:
-	/* no vlan? eat the packet! */
-	dev_kfree_skb_any(skb);
-	return NET_RX_DROP;
-}
-
-static int
-ar8216_netif_rx(struct sk_buff *skb)
-{
-	return ar8216_mangle_rx(skb, 0);
-}
-
-static int
-ar8216_netif_receive_skb(struct sk_buff *skb)
-{
-	return ar8216_mangle_rx(skb, 1);
 }
 
 static int
@@ -1356,13 +1326,9 @@ ar8216_config_init(struct phy_device *pdev)
 
 	/* VID fixup only needed on ar8216 */
 	if (pdev->addr == 0 && priv->chip_type == AR8216) {
-		pdev->pkt_align = 2;
-		pdev->netif_receive_skb = ar8216_netif_receive_skb;
-		pdev->netif_rx = ar8216_netif_rx;
-		priv->ndo_old = dev->netdev_ops;
-		memcpy(&priv->ndo, priv->ndo_old, sizeof(struct net_device_ops));
-		priv->ndo.ndo_start_xmit = ar8216_mangle_tx;
-		dev->netdev_ops = &priv->ndo;
+		dev->priv_flags |= IFF_NO_IP_ALIGN;
+		dev->eth_mangle_rx = ar8216_mangle_rx;
+		dev->eth_mangle_tx = ar8216_mangle_tx;
 	}
 
 	priv->init = false;
@@ -1443,8 +1409,10 @@ ar8216_remove(struct phy_device *pdev)
 	if (!priv)
 		return;
 
-	if (priv->ndo_old && dev)
-		dev->netdev_ops = priv->ndo_old;
+	dev->priv_flags &= ~IFF_NO_IP_ALIGN;
+	dev->eth_mangle_rx = NULL;
+	dev->eth_mangle_tx = NULL;
+
 	if (pdev->addr == 0)
 		unregister_switch(&priv->dev);
 	kfree(priv);
diff --git a/target/linux/generic/files/drivers/net/phy/mvswitch.c b/target/linux/generic/files/drivers/net/phy/mvswitch.c
index 1324a80a60..d754951aca 100644
--- a/target/linux/generic/files/drivers/net/phy/mvswitch.c
+++ b/target/linux/generic/files/drivers/net/phy/mvswitch.c
@@ -41,8 +41,7 @@ MODULE_LICENSE("GPL");
 #define MVSWITCH_MAGIC 0x88E6060
 
 struct mvswitch_priv {
-	const struct net_device_ops *ndo_old;
-	struct net_device_ops ndo;
+	netdev_features_t orig_features;
 	u8 vlans[16];
 };
 
@@ -61,8 +60,8 @@ w16(struct phy_device *phydev, int addr, int reg, u16 val)
 }
 
 
-static int
-mvswitch_mangle_tx(struct sk_buff *skb, struct net_device *dev)
+static struct sk_buff *
+mvswitch_mangle_tx(struct net_device *dev, struct sk_buff *skb)
 {
 	struct mvswitch_priv *priv;
 	char *buf = NULL;
@@ -132,7 +131,7 @@ mvswitch_mangle_tx(struct sk_buff *skb, struct net_device *dev)
 	));
 #endif
 
-	return priv->ndo_old->ndo_start_xmit(skb, dev);
+	return skb;
 
 error_expand:
 	if (net_ratelimit())
@@ -141,25 +140,20 @@ error_expand:
 error:
 	/* any errors? drop the packet! */
 	dev_kfree_skb_any(skb);
-	return 0;
+	return NULL;
 }
 
-static int
-mvswitch_mangle_rx(struct sk_buff *skb, int napi)
+static void
+mvswitch_mangle_rx(struct net_device *dev, struct sk_buff *skb)
 {
 	struct mvswitch_priv *priv;
-	struct net_device *dev;
-	int vlan = -1;
 	unsigned char *buf;
+	int vlan = -1;
 	int i;
 
-	dev = skb->dev;
-	if (!dev)
-		goto error;
-
 	priv = dev->phy_ptr;
-	if (!priv)
-		goto error;
+	if (WARN_ON_ONCE(!priv))
+		return;
 
 #ifdef HEADER_MODE
 	buf = skb->data;
@@ -167,7 +161,7 @@ mvswitch_mangle_rx(struct sk_buff *skb, int napi)
 #else
 	buf = skb->data + skb->len - MV_TRAILER_SIZE;
 	if (buf[0] != 0x80)
-		goto error;
+		return;
 #endif
 
 	/* look for the vlan matching the incoming port */
@@ -177,33 +171,9 @@ mvswitch_mangle_rx(struct sk_buff *skb, int napi)
 	}
 
 	if (vlan == -1)
-		goto error;
-
-	skb->protocol = eth_type_trans(skb, skb->dev);
+		return;
 
 	__vlan_hwaccel_put_tag(skb, vlan);
-	if (napi)
-		return netif_receive_skb(skb);
-	else
-		return netif_rx(skb);
-
-error:
-	/* no vlan? eat the packet! */
-	dev_kfree_skb_any(skb);
-	return 0;
-}
-
-
-static int
-mvswitch_netif_rx(struct sk_buff *skb)
-{
-	return mvswitch_mangle_rx(skb, 0);
-}
-
-static int
-mvswitch_netif_receive_skb(struct sk_buff *skb)
-{
-	return mvswitch_mangle_rx(skb, 1);
 }
 
 
@@ -331,16 +301,12 @@ mvswitch_config_init(struct phy_device *pdev)
 		MV_SWITCHCTL_DROP
 	);
 
-	/* hook into the tx function */
-	priv->ndo_old = dev->netdev_ops;
-	memcpy(&priv->ndo, priv->ndo_old, sizeof(struct net_device_ops));
-	priv->ndo.ndo_start_xmit = mvswitch_mangle_tx;
-	dev->netdev_ops = &priv->ndo;
+	dev->eth_mangle_rx = mvswitch_mangle_rx;
+	dev->eth_mangle_tx = mvswitch_mangle_tx;
+	priv->orig_features = dev->features;
 
-	pdev->pkt_align = 2;
-	pdev->netif_receive_skb = mvswitch_netif_receive_skb;
-	pdev->netif_rx = mvswitch_netif_rx;
 #ifdef HEADER_MODE
+	dev->priv_flags |= IFF_NO_IP_ALIGN;
 	dev->features |= NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX;
 #else
 	dev->features |= NETIF_F_HW_VLAN_RX;
@@ -387,11 +353,11 @@ mvswitch_remove(struct phy_device *pdev)
 	struct mvswitch_priv *priv = to_mvsw(pdev);
 	struct net_device *dev = pdev->attached_dev;
 
-	/* restore old netdev ops */
-	if (priv->ndo_old && dev)
-		dev->netdev_ops = priv->ndo_old;
 	dev->phy_ptr = NULL;
-	dev->features &= ~NETIF_F_HW_VLAN_RX;
+	dev->eth_mangle_rx = NULL;
+	dev->eth_mangle_tx = NULL;
+	dev->features = priv->orig_features;
+	dev->priv_flags &= ~IFF_NO_IP_ALIGN;
 	kfree(priv);
 }
 
diff --git a/target/linux/generic/patches-3.2/721-phy_packets.patch b/target/linux/generic/patches-3.2/721-phy_packets.patch
index 68471eea35..147b4ccc63 100644
--- a/target/linux/generic/patches-3.2/721-phy_packets.patch
+++ b/target/linux/generic/patches-3.2/721-phy_packets.patch
@@ -1,63 +1,167 @@
---- 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);
+--- a/include/linux/netdevice.h
++++ b/include/linux/netdevice.h
+@@ -1103,6 +1103,11 @@ struct net_device {
+ 	const struct net_device_ops *netdev_ops;
+ 	const struct ethtool_ops *ethtool_ops;
  
-+static int generic_receive_skb(struct sk_buff *skb)
-+{
-+	skb->protocol = eth_type_trans(skb, skb->dev);
-+	return netif_receive_skb(skb);
-+}
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++	void (*eth_mangle_rx)(struct net_device *dev, struct sk_buff *skb);
++	struct sk_buff *(*eth_mangle_tx)(struct net_device *dev, struct sk_buff *skb);
++#endif
 +
-+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
-@@ -334,6 +334,20 @@ 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)
+ 	/* Hardware header description */
+ 	const struct header_ops *header_ops;
  
---- a/include/linux/netdevice.h
-+++ b/include/linux/netdevice.h
-@@ -1158,6 +1158,7 @@ struct net_device {
+@@ -1158,6 +1163,9 @@ struct net_device {
  	void			*ax25_ptr;	/* AX.25 specific data */
  	struct wireless_dev	*ieee80211_ptr;	/* IEEE 802.11 specific data,
  						   assign before registering */
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
 +	void			*phy_ptr; /* PHY device specific data */
++#endif
  
  /*
   * Cache lines mostly used on receive path (including eth_type_trans())
+--- a/include/linux/if.h
++++ b/include/linux/if.h
+@@ -79,6 +79,7 @@
+ #define IFF_TX_SKB_SHARING	0x10000	/* The interface supports sharing
+ 					 * skbs on transmit */
+ #define IFF_UNICAST_FLT	0x20000		/* Supports unicast filtering	*/
++#define IFF_NO_IP_ALIGN	0x40000		/* do not ip-align allocated rx pkts */
+ 
+ #define IF_GET_IFACE	0x0001		/* for querying only */
+ #define IF_GET_PROTO	0x0002
+--- a/include/linux/skbuff.h
++++ b/include/linux/skbuff.h
+@@ -1636,6 +1636,10 @@ extern struct sk_buff *dev_alloc_skb(uns
+ extern struct sk_buff *__netdev_alloc_skb(struct net_device *dev,
+ 		unsigned int length, gfp_t gfp_mask);
+ 
++extern struct sk_buff *__netdev_alloc_skb_ip_align(struct net_device *dev,
++		unsigned int length, gfp_t gfp);
++
++
+ /**
+  *	netdev_alloc_skb - allocate an skbuff for rx on a specific device
+  *	@dev: network device to receive on
+@@ -1655,16 +1659,6 @@ static inline struct sk_buff *netdev_all
+ 	return __netdev_alloc_skb(dev, length, GFP_ATOMIC);
+ }
+ 
+-static inline struct sk_buff *__netdev_alloc_skb_ip_align(struct net_device *dev,
+-		unsigned int length, gfp_t gfp)
+-{
+-	struct sk_buff *skb = __netdev_alloc_skb(dev, length + NET_IP_ALIGN, gfp);
+-
+-	if (NET_IP_ALIGN && skb)
+-		skb_reserve(skb, NET_IP_ALIGN);
+-	return skb;
+-}
+-
+ static inline struct sk_buff *netdev_alloc_skb_ip_align(struct net_device *dev,
+ 		unsigned int length)
+ {
+--- a/net/Kconfig
++++ b/net/Kconfig
+@@ -23,6 +23,12 @@ menuconfig NET
+ 
+ if NET
+ 
++config ETHERNET_PACKET_MANGLE
++	bool
++	help
++	  This option can be selected by phy drivers that need to mangle
++	  packets going in or out of an ethernet device.
++
+ config WANT_COMPAT_NETLINK_MESSAGES
+ 	bool
+ 	help
+--- a/net/core/dev.c
++++ b/net/core/dev.c
+@@ -2224,9 +2224,19 @@ int dev_hard_start_xmit(struct sk_buff *
+ 			}
+ 		}
+ 
+-		skb_len = skb->len;
+-		rc = ops->ndo_start_xmit(skb, dev);
+-		trace_net_dev_xmit(skb, rc, dev, skb_len);
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++		if (!dev->eth_mangle_tx ||
++		    (skb = dev->eth_mangle_tx(dev, skb)) != NULL)
++#else
++		if (1)
++#endif
++		{
++			skb_len = skb->len;
++			rc = ops->ndo_start_xmit(skb, dev);
++			trace_net_dev_xmit(skb, rc, dev, skb_len);
++		} else {
++			rc = NETDEV_TX_OK;
++		}
+ 		if (rc == NETDEV_TX_OK)
+ 			txq_trans_update(txq);
+ 		return rc;
+@@ -2246,9 +2256,19 @@ gso:
+ 		if (dev->priv_flags & IFF_XMIT_DST_RELEASE)
+ 			skb_dst_drop(nskb);
+ 
+-		skb_len = nskb->len;
+-		rc = ops->ndo_start_xmit(nskb, dev);
+-		trace_net_dev_xmit(nskb, rc, dev, skb_len);
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++		if (!dev->eth_mangle_tx ||
++		    (nskb = dev->eth_mangle_tx(dev, nskb)) != NULL)
++#else
++		if (1)
++#endif
++		{
++			skb_len = nskb->len;
++			rc = ops->ndo_start_xmit(nskb, dev);
++			trace_net_dev_xmit(nskb, rc, dev, skb_len);
++		} else {
++			rc = NETDEV_TX_OK;
++		}
+ 		if (unlikely(rc != NETDEV_TX_OK)) {
+ 			if (rc & ~NETDEV_TX_MASK)
+ 				goto out_kfree_gso_skb;
+--- a/net/core/skbuff.c
++++ b/net/core/skbuff.c
+@@ -271,6 +271,22 @@ struct sk_buff *__netdev_alloc_skb(struc
+ }
+ EXPORT_SYMBOL(__netdev_alloc_skb);
+ 
++struct sk_buff *__netdev_alloc_skb_ip_align(struct net_device *dev,
++		unsigned int length, gfp_t gfp)
++{
++	struct sk_buff *skb = __netdev_alloc_skb(dev, length + NET_IP_ALIGN, gfp);
++
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++	if (dev->priv_flags & IFF_NO_IP_ALIGN)
++		return skb;
++#endif
++
++	if (NET_IP_ALIGN && skb)
++		skb_reserve(skb, NET_IP_ALIGN);
++	return skb;
++}
++EXPORT_SYMBOL(__netdev_alloc_skb_ip_align);
++
+ void skb_add_rx_frag(struct sk_buff *skb, int i, struct page *page, int off,
+ 		int size)
+ {
+--- a/net/ethernet/eth.c
++++ b/net/ethernet/eth.c
+@@ -160,6 +160,12 @@ __be16 eth_type_trans(struct sk_buff *sk
+ 	struct ethhdr *eth;
+ 
+ 	skb->dev = dev;
++
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++	if (dev->eth_mangle_rx)
++		dev->eth_mangle_rx(dev, skb);
++#endif
++
+ 	skb_reset_mac_header(skb);
+ 	skb_pull_inline(skb, ETH_HLEN);
+ 	eth = eth_hdr(skb);
diff --git a/target/linux/generic/patches-3.2/722-phy_mvswitch.patch b/target/linux/generic/patches-3.2/722-phy_mvswitch.patch
index 8b5bac2b1f..8a456117fa 100644
--- a/target/linux/generic/patches-3.2/722-phy_mvswitch.patch
+++ b/target/linux/generic/patches-3.2/722-phy_mvswitch.patch
@@ -1,11 +1,12 @@
 --- a/drivers/net/phy/Kconfig
 +++ b/drivers/net/phy/Kconfig
-@@ -113,6 +113,9 @@ config ADM6996_PHY
+@@ -113,6 +113,10 @@ config ADM6996_PHY
  	  Currently supports the ADM6996FC and ADM6996M switches.
  	  Support for FC is very limited.
  
 +config MVSWITCH_PHY
 +	tristate "Driver for Marvell 88E6060 switches"
++	select ETHERNET_PACKET_MANGLE
 +
  config FIXED_PHY
  	bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs"
diff --git a/target/linux/generic/patches-3.2/723-phy_ip175c.patch b/target/linux/generic/patches-3.2/723-phy_ip175c.patch
index 05b9619099..8eff10cf45 100644
--- a/target/linux/generic/patches-3.2/723-phy_ip175c.patch
+++ b/target/linux/generic/patches-3.2/723-phy_ip175c.patch
@@ -1,8 +1,8 @@
 --- a/drivers/net/phy/Kconfig
 +++ b/drivers/net/phy/Kconfig
-@@ -116,6 +116,10 @@ config ADM6996_PHY
- config MVSWITCH_PHY
+@@ -117,6 +117,10 @@ config MVSWITCH_PHY
  	tristate "Driver for Marvell 88E6060 switches"
+ 	select ETHERNET_PACKET_MANGLE
  
 +config IP17XX_PHY
 +	tristate "Driver for IC+ IP17xx switches"
diff --git a/target/linux/generic/patches-3.2/724-phy_ar8216.patch b/target/linux/generic/patches-3.2/724-phy_ar8216.patch
index 79169db74d..eed6e2b92a 100644
--- a/target/linux/generic/patches-3.2/724-phy_ar8216.patch
+++ b/target/linux/generic/patches-3.2/724-phy_ar8216.patch
@@ -1,11 +1,12 @@
 --- a/drivers/net/phy/Kconfig
 +++ b/drivers/net/phy/Kconfig
-@@ -120,6 +120,10 @@ config IP17XX_PHY
+@@ -121,6 +121,11 @@ config IP17XX_PHY
  	tristate "Driver for IC+ IP17xx switches"
  	select SWCONFIG
  
 +config AR8216_PHY
 +	tristate "Driver for Atheros AR8216 switches"
++	select ETHERNET_PACKET_MANGLE
 +	select SWCONFIG
 +
  config FIXED_PHY
diff --git a/target/linux/generic/patches-3.2/725-phy_rtl8306.patch b/target/linux/generic/patches-3.2/725-phy_rtl8306.patch
index e243afe108..db0ee6582e 100644
--- a/target/linux/generic/patches-3.2/725-phy_rtl8306.patch
+++ b/target/linux/generic/patches-3.2/725-phy_rtl8306.patch
@@ -1,7 +1,7 @@
 --- a/drivers/net/phy/Kconfig
 +++ b/drivers/net/phy/Kconfig
-@@ -124,6 +124,10 @@ config AR8216_PHY
- 	tristate "Driver for Atheros AR8216 switches"
+@@ -126,6 +126,10 @@ config AR8216_PHY
+ 	select ETHERNET_PACKET_MANGLE
  	select SWCONFIG
  
 +config RTL8306_PHY
diff --git a/target/linux/generic/patches-3.2/726-phy_rtl8366.patch b/target/linux/generic/patches-3.2/726-phy_rtl8366.patch
index ee636ee783..49cd970fbc 100644
--- a/target/linux/generic/patches-3.2/726-phy_rtl8366.patch
+++ b/target/linux/generic/patches-3.2/726-phy_rtl8366.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/phy/Kconfig
 +++ b/drivers/net/phy/Kconfig
-@@ -166,4 +166,29 @@ config MDIO_OCTEON
+@@ -168,4 +168,29 @@ config MDIO_OCTEON
  
  	  If in doubt, say Y.
  
diff --git a/target/linux/generic/patches-3.2/727-phy-rtl8367.patch b/target/linux/generic/patches-3.2/727-phy-rtl8367.patch
index ca8ccdf613..3af6101910 100644
--- a/target/linux/generic/patches-3.2/727-phy-rtl8367.patch
+++ b/target/linux/generic/patches-3.2/727-phy-rtl8367.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/phy/Kconfig
 +++ b/drivers/net/phy/Kconfig
-@@ -183,6 +183,10 @@ config RTL8366RB_PHY
+@@ -185,6 +185,10 @@ config RTL8366RB_PHY
  	tristate "Driver for the Realtek RTL8366RB switch"
  	select SWCONFIG
  
diff --git a/target/linux/generic/patches-3.2/728-phy-micrel.patch b/target/linux/generic/patches-3.2/728-phy-micrel.patch
index 8272ba7caa..c41d0309c5 100644
--- a/target/linux/generic/patches-3.2/728-phy-micrel.patch
+++ b/target/linux/generic/patches-3.2/728-phy-micrel.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/phy/Kconfig
 +++ b/drivers/net/phy/Kconfig
-@@ -128,6 +128,11 @@ config RTL8306_PHY
+@@ -130,6 +130,11 @@ config RTL8306_PHY
  	tristate "Driver for Realtek RTL8306S switches"
  	select SWCONFIG
  
diff --git a/target/linux/generic/patches-3.2/750-hostap_txpower.patch b/target/linux/generic/patches-3.2/750-hostap_txpower.patch
index 8e2ec9afce..a928bcd62b 100644
--- a/target/linux/generic/patches-3.2/750-hostap_txpower.patch
+++ b/target/linux/generic/patches-3.2/750-hostap_txpower.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/wireless/hostap/hostap_ap.c
 +++ b/drivers/net/wireless/hostap/hostap_ap.c
-@@ -2340,13 +2340,13 @@ int prism2_ap_get_sta_qual(local_info_t
+@@ -2340,13 +2340,13 @@ int prism2_ap_get_sta_qual(local_info_t 
  		addr[count].sa_family = ARPHRD_ETHER;
  		memcpy(addr[count].sa_data, sta->addr, ETH_ALEN);
  		if (sta->last_rx_silence == 0)
diff --git a/target/linux/generic/patches-3.2/830-ledtrig_morse.patch b/target/linux/generic/patches-3.2/830-ledtrig_morse.patch
index e91e93a52a..6c0da82a54 100644
--- a/target/linux/generic/patches-3.2/830-ledtrig_morse.patch
+++ b/target/linux/generic/patches-3.2/830-ledtrig_morse.patch
@@ -11,7 +11,7 @@
  endif # NEW_LEDS
 --- a/drivers/leds/Makefile
 +++ b/drivers/leds/Makefile
-@@ -54,3 +54,4 @@ obj-$(CONFIG_LEDS_TRIGGER_HEARTBEAT)	+=
+@@ -54,3 +54,4 @@ obj-$(CONFIG_LEDS_TRIGGER_HEARTBEAT)	+= 
  obj-$(CONFIG_LEDS_TRIGGER_BACKLIGHT)	+= ledtrig-backlight.o
  obj-$(CONFIG_LEDS_TRIGGER_GPIO)		+= ledtrig-gpio.o
  obj-$(CONFIG_LEDS_TRIGGER_DEFAULT_ON)	+= ledtrig-default-on.o
diff --git a/target/linux/generic/patches-3.2/831-ledtrig_netdev.patch b/target/linux/generic/patches-3.2/831-ledtrig_netdev.patch
index 8be6dab200..ed635d21d1 100644
--- a/target/linux/generic/patches-3.2/831-ledtrig_netdev.patch
+++ b/target/linux/generic/patches-3.2/831-ledtrig_netdev.patch
@@ -14,7 +14,7 @@
  endif # NEW_LEDS
 --- a/drivers/leds/Makefile
 +++ b/drivers/leds/Makefile
-@@ -55,3 +55,4 @@ obj-$(CONFIG_LEDS_TRIGGER_BACKLIGHT)	+=
+@@ -55,3 +55,4 @@ obj-$(CONFIG_LEDS_TRIGGER_BACKLIGHT)	+= 
  obj-$(CONFIG_LEDS_TRIGGER_GPIO)		+= ledtrig-gpio.o
  obj-$(CONFIG_LEDS_TRIGGER_DEFAULT_ON)	+= ledtrig-default-on.o
  obj-$(CONFIG_LEDS_TRIGGER_MORSE)	+= ledtrig-morse.o
diff --git a/target/linux/generic/patches-3.2/941-ocf_20110720.patch b/target/linux/generic/patches-3.2/941-ocf_20110720.patch
index 36bf5aac89..177883c06c 100644
--- a/target/linux/generic/patches-3.2/941-ocf_20110720.patch
+++ b/target/linux/generic/patches-3.2/941-ocf_20110720.patch
@@ -34,7 +34,7 @@
   * All of these routines try to estimate how many bits of randomness a
   * particular randomness source.  They do this by keeping track of the
   * first and second order deltas of the event timings.
-@@ -722,6 +732,63 @@ void add_disk_randomness(struct gendisk
+@@ -722,6 +732,63 @@ void add_disk_randomness(struct gendisk 
  }
  #endif
  
diff --git a/target/linux/generic/patches-3.2/992-mpcore_wdt_fix_watchdog_counter_loading.patch b/target/linux/generic/patches-3.2/992-mpcore_wdt_fix_watchdog_counter_loading.patch
index 090e63c3fe..0cae123061 100644
--- a/target/linux/generic/patches-3.2/992-mpcore_wdt_fix_watchdog_counter_loading.patch
+++ b/target/linux/generic/patches-3.2/992-mpcore_wdt_fix_watchdog_counter_loading.patch
@@ -51,7 +51,7 @@ Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
 +EXPORT_SYMBOL_GPL(twd_timer_get_rate);
 --- a/drivers/watchdog/mpcore_wdt.c
 +++ b/drivers/watchdog/mpcore_wdt.c
-@@ -99,9 +99,7 @@ static void mpcore_wdt_keepalive(struct
+@@ -99,9 +99,7 @@ static void mpcore_wdt_keepalive(struct 
  
  	spin_lock(&wdt_lock);
  	/* Assume prescale is set to 256 */
diff --git a/target/linux/generic/patches-3.3/721-phy_packets.patch b/target/linux/generic/patches-3.3/721-phy_packets.patch
index e5663715f4..8efd21a6c7 100644
--- a/target/linux/generic/patches-3.3/721-phy_packets.patch
+++ b/target/linux/generic/patches-3.3/721-phy_packets.patch
@@ -1,63 +1,175 @@
---- 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);
+--- a/include/linux/netdevice.h
++++ b/include/linux/netdevice.h
+@@ -1078,6 +1078,11 @@ struct net_device {
+ 	const struct net_device_ops *netdev_ops;
+ 	const struct ethtool_ops *ethtool_ops;
  
-+static int generic_receive_skb(struct sk_buff *skb)
-+{
-+	skb->protocol = eth_type_trans(skb, skb->dev);
-+	return netif_receive_skb(skb);
-+}
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++	void (*eth_mangle_rx)(struct net_device *dev, struct sk_buff *skb);
++	struct sk_buff *(*eth_mangle_tx)(struct net_device *dev, struct sk_buff *skb);
++#endif
 +
-+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)
+ 	/* Hardware header description */
+ 	const struct header_ops *header_ops;
  
---- a/include/linux/netdevice.h
-+++ b/include/linux/netdevice.h
-@@ -1134,6 +1134,7 @@ struct net_device {
+@@ -1134,6 +1139,9 @@ struct net_device {
  	void			*ax25_ptr;	/* AX.25 specific data */
  	struct wireless_dev	*ieee80211_ptr;	/* IEEE 802.11 specific data,
  						   assign before registering */
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
 +	void			*phy_ptr; /* PHY device specific data */
++#endif
  
  /*
   * Cache lines mostly used on receive path (including eth_type_trans())
+--- a/include/linux/if.h
++++ b/include/linux/if.h
+@@ -80,6 +80,7 @@
+ 					 * skbs on transmit */
+ #define IFF_UNICAST_FLT	0x20000		/* Supports unicast filtering	*/
+ #define IFF_TEAM_PORT	0x40000		/* device used as team port */
++#define IFF_NO_IP_ALIGN	0x80000		/* do not ip-align allocated rx pkts */
+ 
+ #define IF_GET_IFACE	0x0001		/* for querying only */
+ #define IF_GET_PROTO	0x0002
+--- a/include/linux/skbuff.h
++++ b/include/linux/skbuff.h
+@@ -1661,6 +1661,10 @@ extern struct sk_buff *dev_alloc_skb(uns
+ extern struct sk_buff *__netdev_alloc_skb(struct net_device *dev,
+ 		unsigned int length, gfp_t gfp_mask);
+ 
++extern struct sk_buff *__netdev_alloc_skb_ip_align(struct net_device *dev,
++		unsigned int length, gfp_t gfp);
++
++
+ /**
+  *	netdev_alloc_skb - allocate an skbuff for rx on a specific device
+  *	@dev: network device to receive on
+@@ -1680,16 +1684,6 @@ static inline struct sk_buff *netdev_all
+ 	return __netdev_alloc_skb(dev, length, GFP_ATOMIC);
+ }
+ 
+-static inline struct sk_buff *__netdev_alloc_skb_ip_align(struct net_device *dev,
+-		unsigned int length, gfp_t gfp)
+-{
+-	struct sk_buff *skb = __netdev_alloc_skb(dev, length + NET_IP_ALIGN, gfp);
+-
+-	if (NET_IP_ALIGN && skb)
+-		skb_reserve(skb, NET_IP_ALIGN);
+-	return skb;
+-}
+-
+ static inline struct sk_buff *netdev_alloc_skb_ip_align(struct net_device *dev,
+ 		unsigned int length)
+ {
+--- a/net/Kconfig
++++ b/net/Kconfig
+@@ -23,6 +23,12 @@ menuconfig NET
+ 
+ if NET
+ 
++config ETHERNET_PACKET_MANGLE
++	bool
++	help
++	  This option can be selected by phy drivers that need to mangle
++	  packets going in or out of an ethernet device.
++
+ config WANT_COMPAT_NETLINK_MESSAGES
+ 	bool
+ 	help
+--- a/net/core/dev.c
++++ b/net/core/dev.c
+@@ -2246,9 +2246,19 @@ int dev_hard_start_xmit(struct sk_buff *
+ 			}
+ 		}
+ 
+-		skb_len = skb->len;
+-		rc = ops->ndo_start_xmit(skb, dev);
+-		trace_net_dev_xmit(skb, rc, dev, skb_len);
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++		if (!dev->eth_mangle_tx ||
++		    (skb = dev->eth_mangle_tx(dev, skb)) != NULL)
++#else
++		if (1)
++#endif
++		{
++			skb_len = skb->len;
++			rc = ops->ndo_start_xmit(skb, dev);
++			trace_net_dev_xmit(skb, rc, dev, skb_len);
++		} else {
++			rc = NETDEV_TX_OK;
++		}
+ 		if (rc == NETDEV_TX_OK)
+ 			txq_trans_update(txq);
+ 		return rc;
+@@ -2268,9 +2278,19 @@ gso:
+ 		if (dev->priv_flags & IFF_XMIT_DST_RELEASE)
+ 			skb_dst_drop(nskb);
+ 
+-		skb_len = nskb->len;
+-		rc = ops->ndo_start_xmit(nskb, dev);
+-		trace_net_dev_xmit(nskb, rc, dev, skb_len);
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++		if (!dev->eth_mangle_tx ||
++		    (nskb = dev->eth_mangle_tx(dev, nskb)) != NULL)
++#else
++		if (1)
++#endif
++		{
++			skb_len = nskb->len;
++			rc = ops->ndo_start_xmit(nskb, dev);
++			trace_net_dev_xmit(nskb, rc, dev, skb_len);
++		} else {
++			rc = NETDEV_TX_OK;
++		}
+ 		if (unlikely(rc != NETDEV_TX_OK)) {
+ 			if (rc & ~NETDEV_TX_MASK)
+ 				goto out_kfree_gso_skb;
+--- a/net/core/skbuff.c
++++ b/net/core/skbuff.c
+@@ -58,6 +58,7 @@
+ #include <linux/scatterlist.h>
+ #include <linux/errqueue.h>
+ #include <linux/prefetch.h>
++#include <linux/if.h>
+ 
+ #include <net/protocol.h>
+ #include <net/dst.h>
+@@ -320,6 +321,22 @@ struct sk_buff *__netdev_alloc_skb(struc
+ }
+ EXPORT_SYMBOL(__netdev_alloc_skb);
+ 
++struct sk_buff *__netdev_alloc_skb_ip_align(struct net_device *dev,
++		unsigned int length, gfp_t gfp)
++{
++	struct sk_buff *skb = __netdev_alloc_skb(dev, length + NET_IP_ALIGN, gfp);
++
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++	if (dev->priv_flags & IFF_NO_IP_ALIGN)
++		return skb;
++#endif
++
++	if (NET_IP_ALIGN && skb)
++		skb_reserve(skb, NET_IP_ALIGN);
++	return skb;
++}
++EXPORT_SYMBOL(__netdev_alloc_skb_ip_align);
++
+ void skb_add_rx_frag(struct sk_buff *skb, int i, struct page *page, int off,
+ 		int size)
+ {
+--- a/net/ethernet/eth.c
++++ b/net/ethernet/eth.c
+@@ -160,6 +160,12 @@ __be16 eth_type_trans(struct sk_buff *sk
+ 	struct ethhdr *eth;
+ 
+ 	skb->dev = dev;
++
++#ifdef CONFIG_ETHERNET_PACKET_MANGLE
++	if (dev->eth_mangle_rx)
++		dev->eth_mangle_rx(dev, skb);
++#endif
++
+ 	skb_reset_mac_header(skb);
+ 	skb_pull_inline(skb, ETH_HLEN);
+ 	eth = eth_hdr(skb);
diff --git a/target/linux/generic/patches-3.3/722-phy_mvswitch.patch b/target/linux/generic/patches-3.3/722-phy_mvswitch.patch
index 8b5bac2b1f..8a456117fa 100644
--- a/target/linux/generic/patches-3.3/722-phy_mvswitch.patch
+++ b/target/linux/generic/patches-3.3/722-phy_mvswitch.patch
@@ -1,11 +1,12 @@
 --- a/drivers/net/phy/Kconfig
 +++ b/drivers/net/phy/Kconfig
-@@ -113,6 +113,9 @@ config ADM6996_PHY
+@@ -113,6 +113,10 @@ config ADM6996_PHY
  	  Currently supports the ADM6996FC and ADM6996M switches.
  	  Support for FC is very limited.
  
 +config MVSWITCH_PHY
 +	tristate "Driver for Marvell 88E6060 switches"
++	select ETHERNET_PACKET_MANGLE
 +
  config FIXED_PHY
  	bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs"
diff --git a/target/linux/generic/patches-3.3/723-phy_ip175c.patch b/target/linux/generic/patches-3.3/723-phy_ip175c.patch
index 05b9619099..8eff10cf45 100644
--- a/target/linux/generic/patches-3.3/723-phy_ip175c.patch
+++ b/target/linux/generic/patches-3.3/723-phy_ip175c.patch
@@ -1,8 +1,8 @@
 --- a/drivers/net/phy/Kconfig
 +++ b/drivers/net/phy/Kconfig
-@@ -116,6 +116,10 @@ config ADM6996_PHY
- config MVSWITCH_PHY
+@@ -117,6 +117,10 @@ config MVSWITCH_PHY
  	tristate "Driver for Marvell 88E6060 switches"
+ 	select ETHERNET_PACKET_MANGLE
  
 +config IP17XX_PHY
 +	tristate "Driver for IC+ IP17xx switches"
diff --git a/target/linux/generic/patches-3.3/724-phy_ar8216.patch b/target/linux/generic/patches-3.3/724-phy_ar8216.patch
index 79169db74d..eed6e2b92a 100644
--- a/target/linux/generic/patches-3.3/724-phy_ar8216.patch
+++ b/target/linux/generic/patches-3.3/724-phy_ar8216.patch
@@ -1,11 +1,12 @@
 --- a/drivers/net/phy/Kconfig
 +++ b/drivers/net/phy/Kconfig
-@@ -120,6 +120,10 @@ config IP17XX_PHY
+@@ -121,6 +121,11 @@ config IP17XX_PHY
  	tristate "Driver for IC+ IP17xx switches"
  	select SWCONFIG
  
 +config AR8216_PHY
 +	tristate "Driver for Atheros AR8216 switches"
++	select ETHERNET_PACKET_MANGLE
 +	select SWCONFIG
 +
  config FIXED_PHY
diff --git a/target/linux/generic/patches-3.3/725-phy_rtl8306.patch b/target/linux/generic/patches-3.3/725-phy_rtl8306.patch
index e243afe108..db0ee6582e 100644
--- a/target/linux/generic/patches-3.3/725-phy_rtl8306.patch
+++ b/target/linux/generic/patches-3.3/725-phy_rtl8306.patch
@@ -1,7 +1,7 @@
 --- a/drivers/net/phy/Kconfig
 +++ b/drivers/net/phy/Kconfig
-@@ -124,6 +124,10 @@ config AR8216_PHY
- 	tristate "Driver for Atheros AR8216 switches"
+@@ -126,6 +126,10 @@ config AR8216_PHY
+ 	select ETHERNET_PACKET_MANGLE
  	select SWCONFIG
  
 +config RTL8306_PHY
diff --git a/target/linux/generic/patches-3.3/726-phy_rtl8366.patch b/target/linux/generic/patches-3.3/726-phy_rtl8366.patch
index 190b28f45f..fee8b78860 100644
--- a/target/linux/generic/patches-3.3/726-phy_rtl8366.patch
+++ b/target/linux/generic/patches-3.3/726-phy_rtl8366.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/phy/Kconfig
 +++ b/drivers/net/phy/Kconfig
-@@ -166,6 +166,31 @@ config MDIO_OCTEON
+@@ -168,6 +168,31 @@ config MDIO_OCTEON
  
  	  If in doubt, say Y.
  
diff --git a/target/linux/generic/patches-3.3/727-phy-rtl8367.patch b/target/linux/generic/patches-3.3/727-phy-rtl8367.patch
index ca8ccdf613..3af6101910 100644
--- a/target/linux/generic/patches-3.3/727-phy-rtl8367.patch
+++ b/target/linux/generic/patches-3.3/727-phy-rtl8367.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/phy/Kconfig
 +++ b/drivers/net/phy/Kconfig
-@@ -183,6 +183,10 @@ config RTL8366RB_PHY
+@@ -185,6 +185,10 @@ config RTL8366RB_PHY
  	tristate "Driver for the Realtek RTL8366RB switch"
  	select SWCONFIG
  
diff --git a/target/linux/generic/patches-3.3/728-phy-micrel.patch b/target/linux/generic/patches-3.3/728-phy-micrel.patch
index 8272ba7caa..c41d0309c5 100644
--- a/target/linux/generic/patches-3.3/728-phy-micrel.patch
+++ b/target/linux/generic/patches-3.3/728-phy-micrel.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/phy/Kconfig
 +++ b/drivers/net/phy/Kconfig
-@@ -128,6 +128,11 @@ config RTL8306_PHY
+@@ -130,6 +130,11 @@ config RTL8306_PHY
  	tristate "Driver for Realtek RTL8306S switches"
  	select SWCONFIG
  
diff --git a/target/linux/generic/patches-3.3/750-hostap_txpower.patch b/target/linux/generic/patches-3.3/750-hostap_txpower.patch
index 8e2ec9afce..a928bcd62b 100644
--- a/target/linux/generic/patches-3.3/750-hostap_txpower.patch
+++ b/target/linux/generic/patches-3.3/750-hostap_txpower.patch
@@ -1,6 +1,6 @@
 --- a/drivers/net/wireless/hostap/hostap_ap.c
 +++ b/drivers/net/wireless/hostap/hostap_ap.c
-@@ -2340,13 +2340,13 @@ int prism2_ap_get_sta_qual(local_info_t
+@@ -2340,13 +2340,13 @@ int prism2_ap_get_sta_qual(local_info_t 
  		addr[count].sa_family = ARPHRD_ETHER;
  		memcpy(addr[count].sa_data, sta->addr, ETH_ALEN);
  		if (sta->last_rx_silence == 0)
diff --git a/target/linux/generic/patches-3.3/830-ledtrig_morse.patch b/target/linux/generic/patches-3.3/830-ledtrig_morse.patch
index 3283807f2b..47db802b6f 100644
--- a/target/linux/generic/patches-3.3/830-ledtrig_morse.patch
+++ b/target/linux/generic/patches-3.3/830-ledtrig_morse.patch
@@ -11,7 +11,7 @@
  endif # NEW_LEDS
 --- a/drivers/leds/Makefile
 +++ b/drivers/leds/Makefile
-@@ -57,3 +57,4 @@ obj-$(CONFIG_LEDS_TRIGGER_HEARTBEAT)	+=
+@@ -57,3 +57,4 @@ obj-$(CONFIG_LEDS_TRIGGER_HEARTBEAT)	+= 
  obj-$(CONFIG_LEDS_TRIGGER_BACKLIGHT)	+= ledtrig-backlight.o
  obj-$(CONFIG_LEDS_TRIGGER_GPIO)		+= ledtrig-gpio.o
  obj-$(CONFIG_LEDS_TRIGGER_DEFAULT_ON)	+= ledtrig-default-on.o
diff --git a/target/linux/generic/patches-3.3/831-ledtrig_netdev.patch b/target/linux/generic/patches-3.3/831-ledtrig_netdev.patch
index 7f94b1cd39..161db1acae 100644
--- a/target/linux/generic/patches-3.3/831-ledtrig_netdev.patch
+++ b/target/linux/generic/patches-3.3/831-ledtrig_netdev.patch
@@ -14,7 +14,7 @@
  endif # NEW_LEDS
 --- a/drivers/leds/Makefile
 +++ b/drivers/leds/Makefile
-@@ -58,3 +58,4 @@ obj-$(CONFIG_LEDS_TRIGGER_BACKLIGHT)	+=
+@@ -58,3 +58,4 @@ obj-$(CONFIG_LEDS_TRIGGER_BACKLIGHT)	+= 
  obj-$(CONFIG_LEDS_TRIGGER_GPIO)		+= ledtrig-gpio.o
  obj-$(CONFIG_LEDS_TRIGGER_DEFAULT_ON)	+= ledtrig-default-on.o
  obj-$(CONFIG_LEDS_TRIGGER_MORSE)	+= ledtrig-morse.o
diff --git a/target/linux/generic/patches-3.3/941-ocf_20110720.patch b/target/linux/generic/patches-3.3/941-ocf_20110720.patch
index 5ff399ef62..715d4faaea 100644
--- a/target/linux/generic/patches-3.3/941-ocf_20110720.patch
+++ b/target/linux/generic/patches-3.3/941-ocf_20110720.patch
@@ -34,7 +34,7 @@
   * All of these routines try to estimate how many bits of randomness a
   * particular randomness source.  They do this by keeping track of the
   * first and second order deltas of the event timings.
-@@ -726,6 +736,63 @@ void add_disk_randomness(struct gendisk
+@@ -726,6 +736,63 @@ void add_disk_randomness(struct gendisk 
  }
  #endif
  
diff --git a/target/linux/generic/patches-3.3/980-update_arm_machtypes.patch b/target/linux/generic/patches-3.3/980-update_arm_machtypes.patch
index 391511c8fd..7d49ce91aa 100644
--- a/target/linux/generic/patches-3.3/980-update_arm_machtypes.patch
+++ b/target/linux/generic/patches-3.3/980-update_arm_machtypes.patch
@@ -3335,7 +3335,7 @@
  pluto			MACH_PLUTO		PLUTO			3869
  acfx100			MACH_ACFX100		ACFX100			3870
  msm8625_rumi3		MACH_MSM8625_RUMI3	MSM8625_RUMI3		3871
-@@ -1161,6 +3833,8 @@ valente_wx		MACH_VALENTE_WX		VALENTE_WX
+@@ -1161,6 +3833,8 @@ valente_wx		MACH_VALENTE_WX		VALENTE_WX	
  huangshans		MACH_HUANGSHANS		HUANGSHANS		3879
  bosphorus1		MACH_BOSPHORUS1		BOSPHORUS1		3880
  prima			MACH_PRIMA		PRIMA			3881
diff --git a/target/linux/generic/patches-3.3/992-mpcore_wdt_fix_watchdog_counter_loading.patch b/target/linux/generic/patches-3.3/992-mpcore_wdt_fix_watchdog_counter_loading.patch
index fb16e2aa62..a476952783 100644
--- a/target/linux/generic/patches-3.3/992-mpcore_wdt_fix_watchdog_counter_loading.patch
+++ b/target/linux/generic/patches-3.3/992-mpcore_wdt_fix_watchdog_counter_loading.patch
@@ -51,7 +51,7 @@ Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
 +EXPORT_SYMBOL_GPL(twd_timer_get_rate);
 --- a/drivers/watchdog/mpcore_wdt.c
 +++ b/drivers/watchdog/mpcore_wdt.c
-@@ -99,9 +99,7 @@ static void mpcore_wdt_keepalive(struct
+@@ -99,9 +99,7 @@ static void mpcore_wdt_keepalive(struct 
  
  	spin_lock(&wdt_lock);
  	/* Assume prescale is set to 256 */
diff --git a/target/linux/lantiq/patches-3.2/200-owrt-netif_receive_skb.patch b/target/linux/lantiq/patches-3.2/200-owrt-netif_receive_skb.patch
deleted file mode 100644
index df63eabb76..0000000000
--- a/target/linux/lantiq/patches-3.2/200-owrt-netif_receive_skb.patch
+++ /dev/null
@@ -1,17 +0,0 @@
---- a/drivers/net/ethernet/lantiq_etop.c
-+++ b/drivers/net/ethernet/lantiq_etop.c
-@@ -188,8 +188,12 @@ ltq_etop_hw_receive(struct ltq_etop_chan
- 
- 	skb_put(skb, len);
- 	skb->dev = ch->netdev;
--	skb->protocol = eth_type_trans(skb, ch->netdev);
--	netif_receive_skb(skb);
-+	if (priv->phydev && priv->phydev->netif_receive_skb) {
-+		priv->phydev->netif_receive_skb(skb);
-+	} else {
-+		skb->protocol = eth_type_trans(skb, ch->netdev);
-+		netif_receive_skb(skb);
-+	}
- }
- 
- static int