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, 569 deletions

diff --git a/ANDROID_3.4.5/drivers/net/rionet.c b/ANDROID_3.4.5/drivers/net/rionet.c
deleted file mode 100644
index 91d25888..00000000
--- a/ANDROID_3.4.5/drivers/net/rionet.c
+++ /dev/null
@@ -1,569 +0,0 @@
-/*
- * rionet - Ethernet driver over RapidIO messaging services
- *
- * Copyright 2005 MontaVista Software, Inc.
- * Matt Porter <mporter@kernel.crashing.org>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/dma-mapping.h>
-#include <linux/delay.h>
-#include <linux/rio.h>
-#include <linux/rio_drv.h>
-#include <linux/slab.h>
-#include <linux/rio_ids.h>
-
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/crc32.h>
-#include <linux/ethtool.h>
-
-#define DRV_NAME        "rionet"
-#define DRV_VERSION     "0.2"
-#define DRV_AUTHOR      "Matt Porter <mporter@kernel.crashing.org>"
-#define DRV_DESC        "Ethernet over RapidIO"
-
-MODULE_AUTHOR(DRV_AUTHOR);
-MODULE_DESCRIPTION(DRV_DESC);
-MODULE_LICENSE("GPL");
-
-#define RIONET_DEFAULT_MSGLEVEL \
-			(NETIF_MSG_DRV          | \
-			 NETIF_MSG_LINK         | \
-			 NETIF_MSG_RX_ERR       | \
-			 NETIF_MSG_TX_ERR)
-
-#define RIONET_DOORBELL_JOIN	0x1000
-#define RIONET_DOORBELL_LEAVE	0x1001
-
-#define RIONET_MAILBOX		0
-
-#define RIONET_TX_RING_SIZE	CONFIG_RIONET_TX_SIZE
-#define RIONET_RX_RING_SIZE	CONFIG_RIONET_RX_SIZE
-
-static LIST_HEAD(rionet_peers);
-
-struct rionet_private {
-	struct rio_mport *mport;
-	struct sk_buff *rx_skb[RIONET_RX_RING_SIZE];
-	struct sk_buff *tx_skb[RIONET_TX_RING_SIZE];
-	int rx_slot;
-	int tx_slot;
-	int tx_cnt;
-	int ack_slot;
-	spinlock_t lock;
-	spinlock_t tx_lock;
-	u32 msg_enable;
-};
-
-struct rionet_peer {
-	struct list_head node;
-	struct rio_dev *rdev;
-	struct resource *res;
-};
-
-static int rionet_check = 0;
-static int rionet_capable = 1;
-
-/*
- * This is a fast lookup table for translating TX
- * Ethernet packets into a destination RIO device. It
- * could be made into a hash table to save memory depending
- * on system trade-offs.
- */
-static struct rio_dev **rionet_active;
-
-#define is_rionet_capable(src_ops, dst_ops)			\
-			((src_ops & RIO_SRC_OPS_DATA_MSG) &&	\
-			 (dst_ops & RIO_DST_OPS_DATA_MSG) &&	\
-			 (src_ops & RIO_SRC_OPS_DOORBELL) &&	\
-			 (dst_ops & RIO_DST_OPS_DOORBELL))
-#define dev_rionet_capable(dev) \
-	is_rionet_capable(dev->src_ops, dev->dst_ops)
-
-#define RIONET_MAC_MATCH(x)	(!memcmp((x), "\00\01\00\01", 4))
-#define RIONET_GET_DESTID(x)	((*((u8 *)x + 4) << 8) | *((u8 *)x + 5))
-
-static int rionet_rx_clean(struct net_device *ndev)
-{
-	int i;
-	int error = 0;
-	struct rionet_private *rnet = netdev_priv(ndev);
-	void *data;
-
-	i = rnet->rx_slot;
-
-	do {
-		if (!rnet->rx_skb[i])
-			continue;
-
-		if (!(data = rio_get_inb_message(rnet->mport, RIONET_MAILBOX)))
-			break;
-
-		rnet->rx_skb[i]->data = data;
-		skb_put(rnet->rx_skb[i], RIO_MAX_MSG_SIZE);
-		rnet->rx_skb[i]->protocol =
-		    eth_type_trans(rnet->rx_skb[i], ndev);
-		error = netif_rx(rnet->rx_skb[i]);
-
-		if (error == NET_RX_DROP) {
-			ndev->stats.rx_dropped++;
-		} else {
-			ndev->stats.rx_packets++;
-			ndev->stats.rx_bytes += RIO_MAX_MSG_SIZE;
-		}
-
-	} while ((i = (i + 1) % RIONET_RX_RING_SIZE) != rnet->rx_slot);
-
-	return i;
-}
-
-static void rionet_rx_fill(struct net_device *ndev, int end)
-{
-	int i;
-	struct rionet_private *rnet = netdev_priv(ndev);
-
-	i = rnet->rx_slot;
-	do {
-		rnet->rx_skb[i] = dev_alloc_skb(RIO_MAX_MSG_SIZE);
-
-		if (!rnet->rx_skb[i])
-			break;
-
-		rio_add_inb_buffer(rnet->mport, RIONET_MAILBOX,
-				   rnet->rx_skb[i]->data);
-	} while ((i = (i + 1) % RIONET_RX_RING_SIZE) != end);
-
-	rnet->rx_slot = i;
-}
-
-static int rionet_queue_tx_msg(struct sk_buff *skb, struct net_device *ndev,
-			       struct rio_dev *rdev)
-{
-	struct rionet_private *rnet = netdev_priv(ndev);
-
-	rio_add_outb_message(rnet->mport, rdev, 0, skb->data, skb->len);
-	rnet->tx_skb[rnet->tx_slot] = skb;
-
-	ndev->stats.tx_packets++;
-	ndev->stats.tx_bytes += skb->len;
-
-	if (++rnet->tx_cnt == RIONET_TX_RING_SIZE)
-		netif_stop_queue(ndev);
-
-	++rnet->tx_slot;
-	rnet->tx_slot &= (RIONET_TX_RING_SIZE - 1);
-
-	if (netif_msg_tx_queued(rnet))
-		printk(KERN_INFO "%s: queued skb len %8.8x\n", DRV_NAME,
-		       skb->len);
-
-	return 0;
-}
-
-static int rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
-{
-	int i;
-	struct rionet_private *rnet = netdev_priv(ndev);
-	struct ethhdr *eth = (struct ethhdr *)skb->data;
-	u16 destid;
-	unsigned long flags;
-
-	local_irq_save(flags);
-	if (!spin_trylock(&rnet->tx_lock)) {
-		local_irq_restore(flags);
-		return NETDEV_TX_LOCKED;
-	}
-
-	if ((rnet->tx_cnt + 1) > RIONET_TX_RING_SIZE) {
-		netif_stop_queue(ndev);
-		spin_unlock_irqrestore(&rnet->tx_lock, flags);
-		printk(KERN_ERR "%s: BUG! Tx Ring full when queue awake!\n",
-		       ndev->name);
-		return NETDEV_TX_BUSY;
-	}
-
-	if (is_multicast_ether_addr(eth->h_dest)) {
-		for (i = 0; i < RIO_MAX_ROUTE_ENTRIES(rnet->mport->sys_size);
-				i++)
-			if (rionet_active[i])
-				rionet_queue_tx_msg(skb, ndev,
-						    rionet_active[i]);
-	} else if (RIONET_MAC_MATCH(eth->h_dest)) {
-		destid = RIONET_GET_DESTID(eth->h_dest);
-		if (rionet_active[destid])
-			rionet_queue_tx_msg(skb, ndev, rionet_active[destid]);
-	}
-
-	spin_unlock_irqrestore(&rnet->tx_lock, flags);
-
-	return NETDEV_TX_OK;
-}
-
-static void rionet_dbell_event(struct rio_mport *mport, void *dev_id, u16 sid, u16 tid,
-			       u16 info)
-{
-	struct net_device *ndev = dev_id;
-	struct rionet_private *rnet = netdev_priv(ndev);
-	struct rionet_peer *peer;
-
-	if (netif_msg_intr(rnet))
-		printk(KERN_INFO "%s: doorbell sid %4.4x tid %4.4x info %4.4x",
-		       DRV_NAME, sid, tid, info);
-	if (info == RIONET_DOORBELL_JOIN) {
-		if (!rionet_active[sid]) {
-			list_for_each_entry(peer, &rionet_peers, node) {
-				if (peer->rdev->destid == sid)
-					rionet_active[sid] = peer->rdev;
-			}
-			rio_mport_send_doorbell(mport, sid,
-						RIONET_DOORBELL_JOIN);
-		}
-	} else if (info == RIONET_DOORBELL_LEAVE) {
-		rionet_active[sid] = NULL;
-	} else {
-		if (netif_msg_intr(rnet))
-			printk(KERN_WARNING "%s: unhandled doorbell\n",
-			       DRV_NAME);
-	}
-}
-
-static void rionet_inb_msg_event(struct rio_mport *mport, void *dev_id, int mbox, int slot)
-{
-	int n;
-	struct net_device *ndev = dev_id;
-	struct rionet_private *rnet = netdev_priv(ndev);
-
-	if (netif_msg_intr(rnet))
-		printk(KERN_INFO "%s: inbound message event, mbox %d slot %d\n",
-		       DRV_NAME, mbox, slot);
-
-	spin_lock(&rnet->lock);
-	if ((n = rionet_rx_clean(ndev)) != rnet->rx_slot)
-		rionet_rx_fill(ndev, n);
-	spin_unlock(&rnet->lock);
-}
-
-static void rionet_outb_msg_event(struct rio_mport *mport, void *dev_id, int mbox, int slot)
-{
-	struct net_device *ndev = dev_id;
-	struct rionet_private *rnet = netdev_priv(ndev);
-
-	spin_lock(&rnet->lock);
-
-	if (netif_msg_intr(rnet))
-		printk(KERN_INFO
-		       "%s: outbound message event, mbox %d slot %d\n",
-		       DRV_NAME, mbox, slot);
-
-	while (rnet->tx_cnt && (rnet->ack_slot != slot)) {
-		/* dma unmap single */
-		dev_kfree_skb_irq(rnet->tx_skb[rnet->ack_slot]);
-		rnet->tx_skb[rnet->ack_slot] = NULL;
-		++rnet->ack_slot;
-		rnet->ack_slot &= (RIONET_TX_RING_SIZE - 1);
-		rnet->tx_cnt--;
-	}
-
-	if (rnet->tx_cnt < RIONET_TX_RING_SIZE)
-		netif_wake_queue(ndev);
-
-	spin_unlock(&rnet->lock);
-}
-
-static int rionet_open(struct net_device *ndev)
-{
-	int i, rc = 0;
-	struct rionet_peer *peer, *tmp;
-	struct rionet_private *rnet = netdev_priv(ndev);
-
-	if (netif_msg_ifup(rnet))
-		printk(KERN_INFO "%s: open\n", DRV_NAME);
-
-	if ((rc = rio_request_inb_dbell(rnet->mport,
-					(void *)ndev,
-					RIONET_DOORBELL_JOIN,
-					RIONET_DOORBELL_LEAVE,
-					rionet_dbell_event)) < 0)
-		goto out;
-
-	if ((rc = rio_request_inb_mbox(rnet->mport,
-				       (void *)ndev,
-				       RIONET_MAILBOX,
-				       RIONET_RX_RING_SIZE,
-				       rionet_inb_msg_event)) < 0)
-		goto out;
-
-	if ((rc = rio_request_outb_mbox(rnet->mport,
-					(void *)ndev,
-					RIONET_MAILBOX,
-					RIONET_TX_RING_SIZE,
-					rionet_outb_msg_event)) < 0)
-		goto out;
-
-	/* Initialize inbound message ring */
-	for (i = 0; i < RIONET_RX_RING_SIZE; i++)
-		rnet->rx_skb[i] = NULL;
-	rnet->rx_slot = 0;
-	rionet_rx_fill(ndev, 0);
-
-	rnet->tx_slot = 0;
-	rnet->tx_cnt = 0;
-	rnet->ack_slot = 0;
-
-	netif_carrier_on(ndev);
-	netif_start_queue(ndev);
-
-	list_for_each_entry_safe(peer, tmp, &rionet_peers, node) {
-		if (!(peer->res = rio_request_outb_dbell(peer->rdev,
-							 RIONET_DOORBELL_JOIN,
-							 RIONET_DOORBELL_LEAVE)))
-		{
-			printk(KERN_ERR "%s: error requesting doorbells\n",
-			       DRV_NAME);
-			continue;
-		}
-
-		/* Send a join message */
-		rio_send_doorbell(peer->rdev, RIONET_DOORBELL_JOIN);
-	}
-
-      out:
-	return rc;
-}
-
-static int rionet_close(struct net_device *ndev)
-{
-	struct rionet_private *rnet = netdev_priv(ndev);
-	struct rionet_peer *peer, *tmp;
-	int i;
-
-	if (netif_msg_ifup(rnet))
-		printk(KERN_INFO "%s: close\n", DRV_NAME);
-
-	netif_stop_queue(ndev);
-	netif_carrier_off(ndev);
-
-	for (i = 0; i < RIONET_RX_RING_SIZE; i++)
-		kfree_skb(rnet->rx_skb[i]);
-
-	list_for_each_entry_safe(peer, tmp, &rionet_peers, node) {
-		if (rionet_active[peer->rdev->destid]) {
-			rio_send_doorbell(peer->rdev, RIONET_DOORBELL_LEAVE);
-			rionet_active[peer->rdev->destid] = NULL;
-		}
-		rio_release_outb_dbell(peer->rdev, peer->res);
-	}
-
-	rio_release_inb_dbell(rnet->mport, RIONET_DOORBELL_JOIN,
-			      RIONET_DOORBELL_LEAVE);
-	rio_release_inb_mbox(rnet->mport, RIONET_MAILBOX);
-	rio_release_outb_mbox(rnet->mport, RIONET_MAILBOX);
-
-	return 0;
-}
-
-static void rionet_remove(struct rio_dev *rdev)
-{
-	struct net_device *ndev = rio_get_drvdata(rdev);
-	struct rionet_peer *peer, *tmp;
-
-	free_pages((unsigned long)rionet_active, get_order(sizeof(void *) *
-			RIO_MAX_ROUTE_ENTRIES(rdev->net->hport->sys_size)));
-	unregister_netdev(ndev);
-	free_netdev(ndev);
-
-	list_for_each_entry_safe(peer, tmp, &rionet_peers, node) {
-		list_del(&peer->node);
-		kfree(peer);
-	}
-}
-
-static void rionet_get_drvinfo(struct net_device *ndev,
-			       struct ethtool_drvinfo *info)
-{
-	struct rionet_private *rnet = netdev_priv(ndev);
-
-	strcpy(info->driver, DRV_NAME);
-	strcpy(info->version, DRV_VERSION);
-	strcpy(info->fw_version, "n/a");
-	strcpy(info->bus_info, rnet->mport->name);
-}
-
-static u32 rionet_get_msglevel(struct net_device *ndev)
-{
-	struct rionet_private *rnet = netdev_priv(ndev);
-
-	return rnet->msg_enable;
-}
-
-static void rionet_set_msglevel(struct net_device *ndev, u32 value)
-{
-	struct rionet_private *rnet = netdev_priv(ndev);
-
-	rnet->msg_enable = value;
-}
-
-static const struct ethtool_ops rionet_ethtool_ops = {
-	.get_drvinfo = rionet_get_drvinfo,
-	.get_msglevel = rionet_get_msglevel,
-	.set_msglevel = rionet_set_msglevel,
-	.get_link = ethtool_op_get_link,
-};
-
-static const struct net_device_ops rionet_netdev_ops = {
-	.ndo_open		= rionet_open,
-	.ndo_stop		= rionet_close,
-	.ndo_start_xmit		= rionet_start_xmit,
-	.ndo_change_mtu		= eth_change_mtu,
-	.ndo_validate_addr	= eth_validate_addr,
-	.ndo_set_mac_address	= eth_mac_addr,
-};
-
-static int rionet_setup_netdev(struct rio_mport *mport, struct net_device *ndev)
-{
-	int rc = 0;
-	struct rionet_private *rnet;
-	u16 device_id;
-	const size_t rionet_active_bytes = sizeof(void *) *
-				RIO_MAX_ROUTE_ENTRIES(mport->sys_size);
-
-	rionet_active = (struct rio_dev **)__get_free_pages(GFP_KERNEL,
-			get_order(rionet_active_bytes));
-	if (!rionet_active) {
-		rc = -ENOMEM;
-		goto out;
-	}
-	memset((void *)rionet_active, 0, rionet_active_bytes);
-
-	/* Set up private area */
-	rnet = netdev_priv(ndev);
-	rnet->mport = mport;
-
-	/* Set the default MAC address */
-	device_id = rio_local_get_device_id(mport);
-	ndev->dev_addr[0] = 0x00;
-	ndev->dev_addr[1] = 0x01;
-	ndev->dev_addr[2] = 0x00;
-	ndev->dev_addr[3] = 0x01;
-	ndev->dev_addr[4] = device_id >> 8;
-	ndev->dev_addr[5] = device_id & 0xff;
-
-	ndev->netdev_ops = &rionet_netdev_ops;
-	ndev->mtu = RIO_MAX_MSG_SIZE - 14;
-	ndev->features = NETIF_F_LLTX;
-	SET_ETHTOOL_OPS(ndev, &rionet_ethtool_ops);
-
-	spin_lock_init(&rnet->lock);
-	spin_lock_init(&rnet->tx_lock);
-
-	rnet->msg_enable = RIONET_DEFAULT_MSGLEVEL;
-
-	rc = register_netdev(ndev);
-	if (rc != 0)
-		goto out;
-
-	printk("%s: %s %s Version %s, MAC %pM\n",
-	       ndev->name,
-	       DRV_NAME,
-	       DRV_DESC,
-	       DRV_VERSION,
-	       ndev->dev_addr);
-
-      out:
-	return rc;
-}
-
-/*
- * XXX Make multi-net safe
- */
-static int rionet_probe(struct rio_dev *rdev, const struct rio_device_id *id)
-{
-	int rc = -ENODEV;
-	u32 lsrc_ops, ldst_ops;
-	struct rionet_peer *peer;
-	struct net_device *ndev = NULL;
-
-	/* If local device is not rionet capable, give up quickly */
-	if (!rionet_capable)
-		goto out;
-
-	/* Allocate our net_device structure */
-	ndev = alloc_etherdev(sizeof(struct rionet_private));
-	if (ndev == NULL) {
-		rc = -ENOMEM;
-		goto out;
-	}
-
-	/*
-	 * First time through, make sure local device is rionet
-	 * capable, setup netdev,  and set flags so this is skipped
-	 * on later probes
-	 */
-	if (!rionet_check) {
-		rio_local_read_config_32(rdev->net->hport, RIO_SRC_OPS_CAR,
-					 &lsrc_ops);
-		rio_local_read_config_32(rdev->net->hport, RIO_DST_OPS_CAR,
-					 &ldst_ops);
-		if (!is_rionet_capable(lsrc_ops, ldst_ops)) {
-			printk(KERN_ERR
-			       "%s: local device is not network capable\n",
-			       DRV_NAME);
-			rionet_check = 1;
-			rionet_capable = 0;
-			goto out;
-		}
-
-		rc = rionet_setup_netdev(rdev->net->hport, ndev);
-		rionet_check = 1;
-	}
-
-	/*
-	 * If the remote device has mailbox/doorbell capabilities,
-	 * add it to the peer list.
-	 */
-	if (dev_rionet_capable(rdev)) {
-		if (!(peer = kmalloc(sizeof(struct rionet_peer), GFP_KERNEL))) {
-			rc = -ENOMEM;
-			goto out;
-		}
-		peer->rdev = rdev;
-		list_add_tail(&peer->node, &rionet_peers);
-	}
-
-	rio_set_drvdata(rdev, ndev);
-
-      out:
-	return rc;
-}
-
-static struct rio_device_id rionet_id_table[] = {
-	{RIO_DEVICE(RIO_ANY_ID, RIO_ANY_ID)}
-};
-
-static struct rio_driver rionet_driver = {
-	.name = "rionet",
-	.id_table = rionet_id_table,
-	.probe = rionet_probe,
-	.remove = rionet_remove,
-};
-
-static int __init rionet_init(void)
-{
-	return rio_register_driver(&rionet_driver);
-}
-
-static void __exit rionet_exit(void)
-{
-	rio_unregister_driver(&rionet_driver);
-}
-
-late_initcall(rionet_init);
-module_exit(rionet_exit);