recipes-kernel: update driver recipes

This patch changes the recipes to fetch the driver sources from
AGL's src directory. It therefore removes the redundant source
files from the recipe directory.

Change-Id: Ib3c48a0c7e79144713ccd8e10a89185cd929b41c
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>

1 files changed, 0 insertions, 574 deletions

diff --git a/recipes-kernel/aim-network/files/networking.c b/recipes-kernel/aim-network/files/networking.c
deleted file mode 100644
index 3cd90f766..000000000
--- a/recipes-kernel/aim-network/files/networking.c
+++ /dev/null
@@ -1,574 +0,0 @@
-/*
- * Networking AIM - Networking Application Interface Module for MostCore
- *
- * Copyright (C) 2015, Microchip Technology Germany II GmbH & Co. KG
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * This file is licensed under GPLv2.
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/module.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/wait.h>
-#include <linux/kobject.h>
-#include "mostcore.h"
-#include "networking.h"
-
-#define MEP_HDR_LEN 8
-#define MDP_HDR_LEN 16
-#define MAMAC_DATA_LEN (1024 - MDP_HDR_LEN)
-
-#define PMHL 5
-
-#define PMS_TELID_UNSEGM_MAMAC	0x0A
-#define PMS_FIFONO_MDP		0x01
-#define PMS_FIFONO_MEP		0x04
-#define PMS_MSGTYPE_DATA	0x04
-#define PMS_DEF_PRIO		0
-#define MEP_DEF_RETRY		15
-
-#define PMS_FIFONO_MASK		0x07
-#define PMS_FIFONO_SHIFT	3
-#define PMS_RETRY_SHIFT		4
-#define PMS_TELID_MASK		0x0F
-#define PMS_TELID_SHIFT		4
-
-#define HB(value)		((u8)((u16)(value) >> 8))
-#define LB(value)		((u8)(value))
-
-#define EXTRACT_BIT_SET(bitset_name, value) \
-	(((value) >> bitset_name##_SHIFT) & bitset_name##_MASK)
-
-#define PMS_IS_MEP(buf, len) \
-	((len) > MEP_HDR_LEN && \
-	 EXTRACT_BIT_SET(PMS_FIFONO, (buf)[3]) == PMS_FIFONO_MEP)
-
-#define PMS_IS_MAMAC(buf, len) \
-	((len) > MDP_HDR_LEN && \
-	 EXTRACT_BIT_SET(PMS_FIFONO, (buf)[3]) == PMS_FIFONO_MDP && \
-	 EXTRACT_BIT_SET(PMS_TELID, (buf)[14]) == PMS_TELID_UNSEGM_MAMAC)
-
-struct net_dev_channel {
-	bool linked;
-	int ch_id;
-};
-
-struct net_dev_context {
-	struct most_interface *iface;
-	bool channels_opened;
-	bool is_mamac;
-	unsigned char link_stat;
-	struct net_device *dev;
-	struct net_dev_channel rx;
-	struct net_dev_channel tx;
-	struct list_head list;
-};
-
-static struct list_head net_devices = LIST_HEAD_INIT(net_devices);
-static struct spinlock list_lock;
-static struct most_aim aim;
-
-static int skb_to_mamac(const struct sk_buff *skb, struct mbo *mbo)
-{
-	u8 *buff = mbo->virt_address;
-	const u8 broadcast[] = { 0x03, 0xFF };
-	const u8 *dest_addr = skb->data + 4;
-	const u8 *eth_type = skb->data + 12;
-	unsigned int payload_len = skb->len - ETH_HLEN;
-	unsigned int mdp_len = payload_len + MDP_HDR_LEN;
-
-	if (mbo->buffer_length < mdp_len) {
-		pr_err("drop: too small buffer! (%d for %d)\n",
-		       mbo->buffer_length, mdp_len);
-		return -EINVAL;
-	}
-
-	if (skb->len < ETH_HLEN) {
-		pr_err("drop: too small packet! (%d)\n", skb->len);
-		return -EINVAL;
-	}
-
-	if (dest_addr[0] == 0xFF && dest_addr[1] == 0xFF)
-		dest_addr = broadcast;
-
-	*buff++ = HB(mdp_len - 2);
-	*buff++ = LB(mdp_len - 2);
-
-	*buff++ = PMHL;
-	*buff++ = (PMS_FIFONO_MDP << PMS_FIFONO_SHIFT) | PMS_MSGTYPE_DATA;
-	*buff++ = PMS_DEF_PRIO;
-	*buff++ = dest_addr[0];
-	*buff++ = dest_addr[1];
-	*buff++ = 0x00;
-
-	*buff++ = HB(payload_len + 6);
-	*buff++ = LB(payload_len + 6);
-
-	/* end of FPH here */
-
-	*buff++ = eth_type[0];
-	*buff++ = eth_type[1];
-	*buff++ = 0;
-	*buff++ = 0;
-
-	*buff++ = PMS_TELID_UNSEGM_MAMAC << 4 | HB(payload_len);
-	*buff++ = LB(payload_len);
-
-	memcpy(buff, skb->data + ETH_HLEN, payload_len);
-	mbo->buffer_length = mdp_len;
-	return 0;
-}
-
-static int skb_to_mep(const struct sk_buff *skb, struct mbo *mbo)
-{
-	u8 *buff = mbo->virt_address;
-	unsigned int mep_len = skb->len + MEP_HDR_LEN;
-
-	if (mbo->buffer_length < mep_len) {
-		pr_err("drop: too small buffer! (%d for %d)\n",
-		       mbo->buffer_length, mep_len);
-		return -EINVAL;
-	}
-
-	*buff++ = HB(mep_len - 2);
-	*buff++ = LB(mep_len - 2);
-
-	*buff++ = PMHL;
-	*buff++ = (PMS_FIFONO_MEP << PMS_FIFONO_SHIFT) | PMS_MSGTYPE_DATA;
-	*buff++ = (MEP_DEF_RETRY << PMS_RETRY_SHIFT) | PMS_DEF_PRIO;
-	*buff++ = 0;
-	*buff++ = 0;
-	*buff++ = 0;
-
-	memcpy(buff, skb->data, skb->len);
-	mbo->buffer_length = mep_len;
-	return 0;
-}
-
-static int most_nd_set_mac_address(struct net_device *dev, void *p)
-{
-	struct net_dev_context *nd = dev->ml_priv;
-	int err = eth_mac_addr(dev, p);
-
-	if (err)
-		return err;
-
-	BUG_ON(nd->dev != dev);
-
-	nd->is_mamac =
-		(dev->dev_addr[0] == 0 && dev->dev_addr[1] == 0 &&
-		 dev->dev_addr[2] == 0 && dev->dev_addr[3] == 0);
-
-	/*
-	 * Set default MTU for the given packet type.
-	 * It is still possible to change MTU using ip tools afterwards.
-	 */
-	dev->mtu = nd->is_mamac ? MAMAC_DATA_LEN : ETH_DATA_LEN;
-
-	return 0;
-}
-
-static int most_nd_open(struct net_device *dev)
-{
-	struct net_dev_context *nd = dev->ml_priv;
-
-	netdev_info(dev, "open net device\n");
-
-	BUG_ON(nd->dev != dev);
-
-	if (nd->channels_opened)
-		return -EFAULT;
-
-	BUG_ON(!nd->tx.linked || !nd->rx.linked);
-
-	if (most_start_channel(nd->iface, nd->rx.ch_id, &aim)) {
-		netdev_err(dev, "most_start_channel() failed\n");
-		return -EBUSY;
-	}
-
-	if (most_start_channel(nd->iface, nd->tx.ch_id, &aim)) {
-		netdev_err(dev, "most_start_channel() failed\n");
-		most_stop_channel(nd->iface, nd->rx.ch_id, &aim);
-		return -EBUSY;
-	}
-
-	nd->channels_opened = true;
-
-	if (nd->is_mamac) {
-		nd->link_stat = 1;
-		netif_wake_queue(dev);
-	} else {
-		nd->iface->request_netinfo(nd->iface, nd->tx.ch_id);
-	}
-
-	return 0;
-}
-
-static int most_nd_stop(struct net_device *dev)
-{
-	struct net_dev_context *nd = dev->ml_priv;
-
-	netdev_info(dev, "stop net device\n");
-
-	BUG_ON(nd->dev != dev);
-	netif_stop_queue(dev);
-
-	if (nd->channels_opened) {
-		most_stop_channel(nd->iface, nd->rx.ch_id, &aim);
-		most_stop_channel(nd->iface, nd->tx.ch_id, &aim);
-		nd->channels_opened = false;
-	}
-
-	return 0;
-}
-
-static netdev_tx_t most_nd_start_xmit(struct sk_buff *skb,
-				      struct net_device *dev)
-{
-	struct net_dev_context *nd = dev->ml_priv;
-	struct mbo *mbo;
-	int ret;
-
-	BUG_ON(nd->dev != dev);
-
-	mbo = most_get_mbo(nd->iface, nd->tx.ch_id, &aim);
-
-	if (!mbo) {
-		netif_stop_queue(dev);
-		dev->stats.tx_fifo_errors++;
-		return NETDEV_TX_BUSY;
-	}
-
-	if (nd->is_mamac)
-		ret = skb_to_mamac(skb, mbo);
-	else
-		ret = skb_to_mep(skb, mbo);
-
-	if (ret) {
-		most_put_mbo(mbo);
-		dev->stats.tx_dropped++;
-		kfree_skb(skb);
-		return NETDEV_TX_OK;
-	}
-
-	most_submit_mbo(mbo);
-	dev->stats.tx_packets++;
-	dev->stats.tx_bytes += skb->len;
-	kfree_skb(skb);
-	return NETDEV_TX_OK;
-}
-
-static const struct net_device_ops most_nd_ops = {
-	.ndo_open = most_nd_open,
-	.ndo_stop = most_nd_stop,
-	.ndo_start_xmit = most_nd_start_xmit,
-	.ndo_set_mac_address = most_nd_set_mac_address,
-};
-
-static void most_nd_setup(struct net_device *dev)
-{
-	netdev_info(dev, "setup net device\n");
-	ether_setup(dev);
-	dev->netdev_ops = &most_nd_ops;
-}
-
-static void most_net_rm_netdev_safe(struct net_dev_context *nd)
-{
-	if (!nd->dev)
-		return;
-
-	pr_info("remove net device %p\n", nd->dev);
-
-	unregister_netdev(nd->dev);
-	free_netdev(nd->dev);
-	nd->dev = NULL;
-}
-
-static struct net_dev_context *get_net_dev_context(
-	struct most_interface *iface)
-{
-	struct net_dev_context *nd, *tmp;
-
-	spin_lock(&list_lock);
-	list_for_each_entry_safe(nd, tmp, &net_devices, list) {
-		if (nd->iface == iface) {
-			spin_unlock(&list_lock);
-			return nd;
-		}
-	}
-	spin_unlock(&list_lock);
-	return NULL;
-}
-
-static int aim_probe_channel(struct most_interface *iface, int channel_idx,
-			     struct most_channel_config *ccfg,
-			     struct kobject *parent, char *name)
-{
-	struct net_dev_context *nd;
-	struct net_dev_channel *ch;
-
-	if (!iface)
-		return -EINVAL;
-
-	if (ccfg->data_type != MOST_CH_ASYNC)
-		return -EINVAL;
-
-	nd = get_net_dev_context(iface);
-
-	if (!nd) {
-		nd = kzalloc(sizeof(*nd), GFP_KERNEL);
-		if (!nd)
-			return -ENOMEM;
-
-		nd->iface = iface;
-
-		spin_lock(&list_lock);
-		list_add(&nd->list, &net_devices);
-		spin_unlock(&list_lock);
-	}
-
-	ch = ccfg->direction == MOST_CH_TX ? &nd->tx : &nd->rx;
-	if (ch->linked) {
-		pr_err("only one channel per instance & direction allowed\n");
-		return -EINVAL;
-	}
-
-	if (nd->tx.linked || nd->rx.linked) {
-		struct net_device *dev =
-			alloc_netdev(0, "meth%d", most_nd_setup);
-
-		if (!dev) {
-			pr_err("no memory for net_device\n");
-			return -ENOMEM;
-		}
-
-		nd->dev = dev;
-		ch->ch_id = channel_idx;
-		ch->linked = true;
-
-		dev->ml_priv = nd;
-		if (register_netdev(dev)) {
-			pr_err("registering net device failed\n");
-			ch->linked = false;
-			free_netdev(dev);
-			return -EINVAL;
-		}
-	}
-
-	ch->ch_id = channel_idx;
-	ch->linked = true;
-
-	return 0;
-}
-
-static int aim_disconnect_channel(struct most_interface *iface,
-				  int channel_idx)
-{
-	struct net_dev_context *nd;
-	struct net_dev_channel *ch;
-
-	nd = get_net_dev_context(iface);
-	if (!nd)
-		return -EINVAL;
-
-	if (nd->rx.linked && channel_idx == nd->rx.ch_id)
-		ch = &nd->rx;
-	else if (nd->tx.linked && channel_idx == nd->tx.ch_id)
-		ch = &nd->tx;
-	else
-		return -EINVAL;
-
-	ch->linked = false;
-
-	/*
-	 * do not call most_stop_channel() here, because channels are
-	 * going to be closed in ndo_stop() after unregister_netdev()
-	 */
-	most_net_rm_netdev_safe(nd);
-
-	if (!nd->rx.linked && !nd->tx.linked) {
-		spin_lock(&list_lock);
-		list_del(&nd->list);
-		spin_unlock(&list_lock);
-		kfree(nd);
-	}
-
-	return 0;
-}
-
-static int aim_resume_tx_channel(struct most_interface *iface,
-				 int channel_idx)
-{
-	struct net_dev_context *nd;
-
-	nd = get_net_dev_context(iface);
-	if (!nd || !nd->channels_opened || nd->tx.ch_id != channel_idx)
-		return 0;
-
-	if (!nd->dev)
-		return 0;
-
-	netif_wake_queue(nd->dev);
-	return 0;
-}
-
-static int aim_rx_data(struct mbo *mbo)
-{
-	const u32 zero = 0;
-	struct net_dev_context *nd;
-	char *buf = mbo->virt_address;
-	u32 len = mbo->processed_length;
-	struct sk_buff *skb;
-	struct net_device *dev;
-	unsigned int skb_len;
-
-	nd = get_net_dev_context(mbo->ifp);
-	if (!nd || !nd->channels_opened || nd->rx.ch_id != mbo->hdm_channel_id)
-		return -EIO;
-
-	dev = nd->dev;
-	if (!dev) {
-		pr_err_once("drop packet: missing net_device\n");
-		return -EIO;
-	}
-
-	if (nd->is_mamac) {
-		if (!PMS_IS_MAMAC(buf, len))
-			return -EIO;
-
-		skb = dev_alloc_skb(len - MDP_HDR_LEN + 2 * ETH_ALEN + 2);
-	} else {
-		if (!PMS_IS_MEP(buf, len))
-			return -EIO;
-
-		skb = dev_alloc_skb(len - MEP_HDR_LEN);
-	}
-
-	if (!skb) {
-		dev->stats.rx_dropped++;
-		pr_err_once("drop packet: no memory for skb\n");
-		goto out;
-	}
-
-	skb->dev = dev;
-
-	if (nd->is_mamac) {
-		/* dest */
-		memcpy(skb_put(skb, ETH_ALEN), dev->dev_addr, ETH_ALEN);
-
-		/* src */
-		memcpy(skb_put(skb, 4), &zero, 4);
-		memcpy(skb_put(skb, 2), buf + 5, 2);
-
-		/* eth type */
-		memcpy(skb_put(skb, 2), buf + 10, 2);
-
-		buf += MDP_HDR_LEN;
-		len -= MDP_HDR_LEN;
-	} else {
-		buf += MEP_HDR_LEN;
-		len -= MEP_HDR_LEN;
-	}
-
-	memcpy(skb_put(skb, len), buf, len);
-	skb->protocol = eth_type_trans(skb, dev);
-	skb_len = skb->len;
-	if (netif_rx(skb) == NET_RX_SUCCESS) {
-		dev->stats.rx_packets++;
-		dev->stats.rx_bytes += skb_len;
-	} else {
-		dev->stats.rx_dropped++;
-	}
-
-out:
-	most_put_mbo(mbo);
-	return 0;
-}
-
-static struct most_aim aim = {
-	.name = "networking",
-	.probe_channel = aim_probe_channel,
-	.disconnect_channel = aim_disconnect_channel,
-	.tx_completion = aim_resume_tx_channel,
-	.rx_completion = aim_rx_data,
-};
-
-static int __init most_net_init(void)
-{
-	pr_info("most_net_init()\n");
-	spin_lock_init(&list_lock);
-	return most_register_aim(&aim);
-}
-
-static void __exit most_net_exit(void)
-{
-	struct net_dev_context *nd, *tmp;
-
-	spin_lock(&list_lock);
-	list_for_each_entry_safe(nd, tmp, &net_devices, list) {
-		list_del(&nd->list);
-		spin_unlock(&list_lock);
-		/*
-		 * do not call most_stop_channel() here, because channels are
-		 * going to be closed in ndo_stop() after unregister_netdev()
-		 */
-		most_net_rm_netdev_safe(nd);
-		kfree(nd);
-		spin_lock(&list_lock);
-	}
-	spin_unlock(&list_lock);
-
-	most_deregister_aim(&aim);
-	pr_info("most_net_exit()\n");
-}
-
-/**
- * most_deliver_netinfo - callback for HDM to be informed about HW's MAC
- * @param iface - most interface instance
- * @param link_stat - link status
- * @param mac_addr - MAC address
- */
-void most_deliver_netinfo(struct most_interface *iface,
-			  unsigned char link_stat, unsigned char *mac_addr)
-{
-	struct net_dev_context *nd;
-	struct net_device *dev;
-
-	pr_info("Received netinfo from %s\n", iface->description);
-
-	nd = get_net_dev_context(iface);
-	if (!nd)
-		return;
-
-	dev = nd->dev;
-	if (!dev)
-		return;
-
-	if (mac_addr)
-		memcpy(dev->dev_addr, mac_addr, ETH_ALEN);
-
-	if (nd->link_stat != link_stat) {
-		nd->link_stat = link_stat;
-		if (nd->link_stat)
-			netif_wake_queue(dev);
-		else
-			netif_stop_queue(dev);
-	}
-}
-EXPORT_SYMBOL(most_deliver_netinfo);
-
-module_init(most_net_init);
-module_exit(most_net_exit);
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Andrey Shvetsov <andrey.shvetsov@k2l.de>");
-MODULE_DESCRIPTION("Networking Application Interface Module for MostCore");