ar71xx: the ar7240 dsa driver is no longer used, remove it.

[openwrt/svn-archive/archive.git] / target / linux / ar71xx / files / net / dsa / tag_qinq.c

diff --git a/target/linux/ar71xx/files/net/dsa/tag_qinq.c b/target/linux/ar71xx/files/net/dsa/tag_qinq.c
deleted file mode 100644 (file)
index 68bcc38..0000000
--- a/target/linux/ar71xx/files/net/dsa/tag_qinq.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * net/dsa/tag_qinq.c - QinQ tag format handling
- * Copyright (c) 2010 Gabor Juhos <juhosg@openwrt.org>
- *
- *  This file was based on:
- *    net/dsa/tag_edsa.c - Ethertype DSA tagging
- *    Copyright (c) 2008-2009 Marvell Semiconductor
- *
- * 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/etherdevice.h>
-#include <linux/list.h>
-#include <linux/netdevice.h>
-#include <linux/if_vlan.h>
-
-#include "dsa_priv.h"
-
-netdev_tx_t qinq_xmit(struct sk_buff *skb, struct net_device *dev)
-{
-       struct dsa_slave_priv *p = netdev_priv(dev);
-       struct vlan_ethhdr *veth;
-       unsigned int len;
-       int ret;
-
-       if (skb_cow_head(skb, VLAN_HLEN) < 0)
-               goto out_free_skb;
-
-       veth = (struct vlan_ethhdr *)skb_push(skb, VLAN_HLEN);
-
-       /* Move the mac addresses to the beginning of the new header. */
-       memmove(skb->data, skb->data + VLAN_HLEN, 2 * VLAN_ETH_ALEN);
-       skb->mac_header -= VLAN_HLEN;
-
-       /* setup VLAN header fields */
-       veth->h_vlan_proto = htons(ETH_P_QINQ);
-       veth->h_vlan_TCI = htons(p->port);
-
-       len = skb->len;
-       skb->protocol = htons(ETH_P_QINQ);
-       skb->dev = p->parent->dst->master_netdev;
-
-       ret = dev_queue_xmit(skb);
-       if (unlikely(ret != NET_XMIT_SUCCESS))
-               goto out_dropped;
-
-       dev->stats.tx_packets++;
-       dev->stats.tx_bytes += len;
-
-       return NETDEV_TX_OK;
-
- out_free_skb:
-       kfree_skb(skb);
- out_dropped:
-       dev->stats.tx_dropped++;
-       return NETDEV_TX_OK;
-}
-
-static int qinq_rcv(struct sk_buff *skb, struct net_device *dev,
-                   struct packet_type *pt, struct net_device *orig_dev)
-{
-       struct dsa_switch_tree *dst;
-       struct dsa_switch *ds;
-       struct vlan_hdr *vhdr;
-       int source_port;
-
-       dst = dev->dsa_ptr;
-       if (unlikely(dst == NULL))
-               goto out_drop;
-       ds = dst->ds[0];
-
-       skb = skb_unshare(skb, GFP_ATOMIC);
-       if (skb == NULL)
-               goto out;
-
-       if (unlikely(!pskb_may_pull(skb, VLAN_HLEN)))
-               goto out_drop;
-
-       vhdr = (struct vlan_hdr *)skb->data;
-       source_port = ntohs(vhdr->h_vlan_TCI) & VLAN_VID_MASK;
-       if (source_port >= DSA_MAX_PORTS || ds->ports[source_port] == NULL)
-               goto out_drop;
-
-       /* Remove the outermost VLAN tag and update checksum. */
-       skb_pull_rcsum(skb, VLAN_HLEN);
-       memmove(skb->data - ETH_HLEN,
-               skb->data - ETH_HLEN - VLAN_HLEN,
-               2 * ETH_ALEN);
-
-       skb->dev = ds->ports[source_port];
-       skb_push(skb, ETH_HLEN);
-       skb->pkt_type = PACKET_HOST;
-       skb->protocol = eth_type_trans(skb, skb->dev);
-
-       skb->dev->stats.rx_packets++;
-       skb->dev->stats.rx_bytes += skb->len;
-
-       netif_receive_skb(skb);
-
-       return 0;
-
- out_drop:
-       kfree_skb(skb);
- out:
-       return 0;
-}
-
-static struct packet_type qinq_packet_type __read_mostly = {
-       .type   = cpu_to_be16(ETH_P_QINQ),
-       .func   = qinq_rcv,
-};
-
-static int __init qinq_init_module(void)
-{
-       dev_add_pack(&qinq_packet_type);
-       return 0;
-}
-module_init(qinq_init_module);
-
-static void __exit qinq_cleanup_module(void)
-{
-       dev_remove_pack(&qinq_packet_type);
-}
-module_exit(qinq_cleanup_module);