diff options
Diffstat (limited to 'net/mac802154/monitor.c')
-rw-r--r-- | net/mac802154/monitor.c | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/net/mac802154/monitor.c b/net/mac802154/monitor.c deleted file mode 100644 index a68230e..0000000 --- a/net/mac802154/monitor.c +++ /dev/null @@ -1,117 +0,0 @@ -/* - * Copyright 2007, 2008, 2009 Siemens AG - * - * 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. - * - * 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. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Written by: - * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> - * Sergey Lapin <slapin@ossfans.org> - * Maxim Gorbachyov <maxim.gorbachev@siemens.com> - * Alexander Smirnov <alex.bluesman.smirnov@gmail.com> - */ - -#include <linux/netdevice.h> -#include <linux/skbuff.h> -#include <linux/if_arp.h> -#include <linux/crc-ccitt.h> - -#include <net/ieee802154.h> -#include <net/mac802154.h> -#include <net/netlink.h> -#include <net/wpan-phy.h> -#include <linux/nl802154.h> - -#include "mac802154.h" - -static netdev_tx_t mac802154_monitor_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - struct mac802154_sub_if_data *priv; - u8 chan, page; - - priv = netdev_priv(dev); - - /* FIXME: locking */ - chan = priv->hw->phy->current_channel; - page = priv->hw->phy->current_page; - - if (chan == MAC802154_CHAN_NONE) /* not initialized */ - return NETDEV_TX_OK; - - if (WARN_ON(page >= WPAN_NUM_PAGES) || - WARN_ON(chan >= WPAN_NUM_CHANNELS)) - return NETDEV_TX_OK; - - skb->skb_iif = dev->ifindex; - dev->stats.tx_packets++; - dev->stats.tx_bytes += skb->len; - - return mac802154_tx(priv->hw, skb, page, chan); -} - - -void mac802154_monitors_rx(struct mac802154_priv *priv, struct sk_buff *skb) -{ - struct sk_buff *skb2; - struct mac802154_sub_if_data *sdata; - u16 crc = crc_ccitt(0, skb->data, skb->len); - u8 *data; - - rcu_read_lock(); - list_for_each_entry_rcu(sdata, &priv->slaves, list) { - if (sdata->type != IEEE802154_DEV_MONITOR || - !netif_running(sdata->dev)) - continue; - - skb2 = skb_clone(skb, GFP_ATOMIC); - skb2->dev = sdata->dev; - skb2->pkt_type = PACKET_HOST; - data = skb_put(skb2, 2); - data[0] = crc & 0xff; - data[1] = crc >> 8; - - netif_rx_ni(skb2); - } - rcu_read_unlock(); -} - -static const struct net_device_ops mac802154_monitor_ops = { - .ndo_open = mac802154_slave_open, - .ndo_stop = mac802154_slave_close, - .ndo_start_xmit = mac802154_monitor_xmit, -}; - -void mac802154_monitor_setup(struct net_device *dev) -{ - struct mac802154_sub_if_data *priv; - - dev->addr_len = 0; - dev->hard_header_len = 0; - dev->needed_tailroom = 2; /* room for FCS */ - dev->mtu = IEEE802154_MTU; - dev->tx_queue_len = 10; - dev->type = ARPHRD_IEEE802154_MONITOR; - dev->flags = IFF_NOARP | IFF_BROADCAST; - dev->watchdog_timeo = 0; - - dev->destructor = free_netdev; - dev->netdev_ops = &mac802154_monitor_ops; - dev->ml_priv = &mac802154_mlme_reduced; - - priv = netdev_priv(dev); - priv->type = IEEE802154_DEV_MONITOR; - - priv->chan = MAC802154_CHAN_NONE; /* not initialized */ - priv->page = 0; -} |