Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 371 deletions

diff --git a/ANDROID_3.4.5/drivers/net/xen-netback/interface.c b/ANDROID_3.4.5/drivers/net/xen-netback/interface.c
deleted file mode 100644
index b7d41f8c..00000000
--- a/ANDROID_3.4.5/drivers/net/xen-netback/interface.c
+++ /dev/null
@@ -1,371 +0,0 @@
-/*
- * Network-device interface management.
- *
- * Copyright (c) 2004-2005, Keir Fraser
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation; or, when distributed
- * separately from the Linux kernel or incorporated into other
- * software packages, subject to the following license:
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this source file (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use, copy, modify,
- * merge, publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-
-#include "common.h"
-
-#include <linux/ethtool.h>
-#include <linux/rtnetlink.h>
-#include <linux/if_vlan.h>
-
-#include <xen/events.h>
-#include <asm/xen/hypercall.h>
-
-#define XENVIF_QUEUE_LENGTH 32
-
-void xenvif_get(struct xenvif *vif)
-{
-	atomic_inc(&vif->refcnt);
-}
-
-void xenvif_put(struct xenvif *vif)
-{
-	if (atomic_dec_and_test(&vif->refcnt))
-		wake_up(&vif->waiting_to_free);
-}
-
-int xenvif_schedulable(struct xenvif *vif)
-{
-	return netif_running(vif->dev) && netif_carrier_ok(vif->dev);
-}
-
-static int xenvif_rx_schedulable(struct xenvif *vif)
-{
-	return xenvif_schedulable(vif) && !xen_netbk_rx_ring_full(vif);
-}
-
-static irqreturn_t xenvif_interrupt(int irq, void *dev_id)
-{
-	struct xenvif *vif = dev_id;
-
-	if (vif->netbk == NULL)
-		return IRQ_NONE;
-
-	xen_netbk_schedule_xenvif(vif);
-
-	if (xenvif_rx_schedulable(vif))
-		netif_wake_queue(vif->dev);
-
-	return IRQ_HANDLED;
-}
-
-static int xenvif_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
-	struct xenvif *vif = netdev_priv(dev);
-
-	BUG_ON(skb->dev != dev);
-
-	if (vif->netbk == NULL)
-		goto drop;
-
-	/* Drop the packet if the target domain has no receive buffers. */
-	if (!xenvif_rx_schedulable(vif))
-		goto drop;
-
-	/* Reserve ring slots for the worst-case number of fragments. */
-	vif->rx_req_cons_peek += xen_netbk_count_skb_slots(vif, skb);
-	xenvif_get(vif);
-
-	if (vif->can_queue && xen_netbk_must_stop_queue(vif))
-		netif_stop_queue(dev);
-
-	xen_netbk_queue_tx_skb(vif, skb);
-
-	return NETDEV_TX_OK;
-
- drop:
-	vif->dev->stats.tx_dropped++;
-	dev_kfree_skb(skb);
-	return NETDEV_TX_OK;
-}
-
-void xenvif_receive_skb(struct xenvif *vif, struct sk_buff *skb)
-{
-	netif_rx_ni(skb);
-}
-
-void xenvif_notify_tx_completion(struct xenvif *vif)
-{
-	if (netif_queue_stopped(vif->dev) && xenvif_rx_schedulable(vif))
-		netif_wake_queue(vif->dev);
-}
-
-static struct net_device_stats *xenvif_get_stats(struct net_device *dev)
-{
-	struct xenvif *vif = netdev_priv(dev);
-	return &vif->dev->stats;
-}
-
-static void xenvif_up(struct xenvif *vif)
-{
-	xen_netbk_add_xenvif(vif);
-	enable_irq(vif->irq);
-	xen_netbk_check_rx_xenvif(vif);
-}
-
-static void xenvif_down(struct xenvif *vif)
-{
-	disable_irq(vif->irq);
-	xen_netbk_deschedule_xenvif(vif);
-	xen_netbk_remove_xenvif(vif);
-}
-
-static int xenvif_open(struct net_device *dev)
-{
-	struct xenvif *vif = netdev_priv(dev);
-	if (netif_carrier_ok(dev))
-		xenvif_up(vif);
-	netif_start_queue(dev);
-	return 0;
-}
-
-static int xenvif_close(struct net_device *dev)
-{
-	struct xenvif *vif = netdev_priv(dev);
-	if (netif_carrier_ok(dev))
-		xenvif_down(vif);
-	netif_stop_queue(dev);
-	return 0;
-}
-
-static int xenvif_change_mtu(struct net_device *dev, int mtu)
-{
-	struct xenvif *vif = netdev_priv(dev);
-	int max = vif->can_sg ? 65535 - VLAN_ETH_HLEN : ETH_DATA_LEN;
-
-	if (mtu > max)
-		return -EINVAL;
-	dev->mtu = mtu;
-	return 0;
-}
-
-static netdev_features_t xenvif_fix_features(struct net_device *dev,
-	netdev_features_t features)
-{
-	struct xenvif *vif = netdev_priv(dev);
-
-	if (!vif->can_sg)
-		features &= ~NETIF_F_SG;
-	if (!vif->gso && !vif->gso_prefix)
-		features &= ~NETIF_F_TSO;
-	if (!vif->csum)
-		features &= ~NETIF_F_IP_CSUM;
-
-	return features;
-}
-
-static const struct xenvif_stat {
-	char name[ETH_GSTRING_LEN];
-	u16 offset;
-} xenvif_stats[] = {
-	{
-		"rx_gso_checksum_fixup",
-		offsetof(struct xenvif, rx_gso_checksum_fixup)
-	},
-};
-
-static int xenvif_get_sset_count(struct net_device *dev, int string_set)
-{
-	switch (string_set) {
-	case ETH_SS_STATS:
-		return ARRAY_SIZE(xenvif_stats);
-	default:
-		return -EINVAL;
-	}
-}
-
-static void xenvif_get_ethtool_stats(struct net_device *dev,
-				     struct ethtool_stats *stats, u64 * data)
-{
-	void *vif = netdev_priv(dev);
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(xenvif_stats); i++)
-		data[i] = *(unsigned long *)(vif + xenvif_stats[i].offset);
-}
-
-static void xenvif_get_strings(struct net_device *dev, u32 stringset, u8 * data)
-{
-	int i;
-
-	switch (stringset) {
-	case ETH_SS_STATS:
-		for (i = 0; i < ARRAY_SIZE(xenvif_stats); i++)
-			memcpy(data + i * ETH_GSTRING_LEN,
-			       xenvif_stats[i].name, ETH_GSTRING_LEN);
-		break;
-	}
-}
-
-static const struct ethtool_ops xenvif_ethtool_ops = {
-	.get_link	= ethtool_op_get_link,
-
-	.get_sset_count = xenvif_get_sset_count,
-	.get_ethtool_stats = xenvif_get_ethtool_stats,
-	.get_strings = xenvif_get_strings,
-};
-
-static const struct net_device_ops xenvif_netdev_ops = {
-	.ndo_start_xmit	= xenvif_start_xmit,
-	.ndo_get_stats	= xenvif_get_stats,
-	.ndo_open	= xenvif_open,
-	.ndo_stop	= xenvif_close,
-	.ndo_change_mtu	= xenvif_change_mtu,
-	.ndo_fix_features = xenvif_fix_features,
-};
-
-struct xenvif *xenvif_alloc(struct device *parent, domid_t domid,
-			    unsigned int handle)
-{
-	int err;
-	struct net_device *dev;
-	struct xenvif *vif;
-	char name[IFNAMSIZ] = {};
-
-	snprintf(name, IFNAMSIZ - 1, "vif%u.%u", domid, handle);
-	dev = alloc_netdev(sizeof(struct xenvif), name, ether_setup);
-	if (dev == NULL) {
-		pr_warn("Could not allocate netdev\n");
-		return ERR_PTR(-ENOMEM);
-	}
-
-	SET_NETDEV_DEV(dev, parent);
-
-	vif = netdev_priv(dev);
-	vif->domid  = domid;
-	vif->handle = handle;
-	vif->netbk  = NULL;
-	vif->can_sg = 1;
-	vif->csum = 1;
-	atomic_set(&vif->refcnt, 1);
-	init_waitqueue_head(&vif->waiting_to_free);
-	vif->dev = dev;
-	INIT_LIST_HEAD(&vif->schedule_list);
-	INIT_LIST_HEAD(&vif->notify_list);
-
-	vif->credit_bytes = vif->remaining_credit = ~0UL;
-	vif->credit_usec  = 0UL;
-	init_timer(&vif->credit_timeout);
-	/* Initialize 'expires' now: it's used to track the credit window. */
-	vif->credit_timeout.expires = jiffies;
-
-	dev->netdev_ops	= &xenvif_netdev_ops;
-	dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO;
-	dev->features = dev->hw_features;
-	SET_ETHTOOL_OPS(dev, &xenvif_ethtool_ops);
-
-	dev->tx_queue_len = XENVIF_QUEUE_LENGTH;
-
-	/*
-	 * Initialise a dummy MAC address. We choose the numerically
-	 * largest non-broadcast address to prevent the address getting
-	 * stolen by an Ethernet bridge for STP purposes.
-	 * (FE:FF:FF:FF:FF:FF)
-	 */
-	memset(dev->dev_addr, 0xFF, ETH_ALEN);
-	dev->dev_addr[0] &= ~0x01;
-
-	netif_carrier_off(dev);
-
-	err = register_netdev(dev);
-	if (err) {
-		netdev_warn(dev, "Could not register device: err=%d\n", err);
-		free_netdev(dev);
-		return ERR_PTR(err);
-	}
-
-	netdev_dbg(dev, "Successfully created xenvif\n");
-	return vif;
-}
-
-int xenvif_connect(struct xenvif *vif, unsigned long tx_ring_ref,
-		   unsigned long rx_ring_ref, unsigned int evtchn)
-{
-	int err = -ENOMEM;
-
-	/* Already connected through? */
-	if (vif->irq)
-		return 0;
-
-	err = xen_netbk_map_frontend_rings(vif, tx_ring_ref, rx_ring_ref);
-	if (err < 0)
-		goto err;
-
-	err = bind_interdomain_evtchn_to_irqhandler(
-		vif->domid, evtchn, xenvif_interrupt, 0,
-		vif->dev->name, vif);
-	if (err < 0)
-		goto err_unmap;
-	vif->irq = err;
-	disable_irq(vif->irq);
-
-	xenvif_get(vif);
-
-	rtnl_lock();
-	if (!vif->can_sg && vif->dev->mtu > ETH_DATA_LEN)
-		dev_set_mtu(vif->dev, ETH_DATA_LEN);
-	netdev_update_features(vif->dev);
-	netif_carrier_on(vif->dev);
-	if (netif_running(vif->dev))
-		xenvif_up(vif);
-	rtnl_unlock();
-
-	return 0;
-err_unmap:
-	xen_netbk_unmap_frontend_rings(vif);
-err:
-	return err;
-}
-
-void xenvif_disconnect(struct xenvif *vif)
-{
-	struct net_device *dev = vif->dev;
-	if (netif_carrier_ok(dev)) {
-		rtnl_lock();
-		netif_carrier_off(dev); /* discard queued packets */
-		if (netif_running(dev))
-			xenvif_down(vif);
-		rtnl_unlock();
-		xenvif_put(vif);
-	}
-
-	atomic_dec(&vif->refcnt);
-	wait_event(vif->waiting_to_free, atomic_read(&vif->refcnt) == 0);
-
-	del_timer_sync(&vif->credit_timeout);
-
-	if (vif->irq)
-		unbind_from_irqhandler(vif->irq, vif);
-
-	unregister_netdev(vif->dev);
-
-	xen_netbk_unmap_frontend_rings(vif);
-
-	free_netdev(vif->dev);
-}