diff options
Diffstat (limited to 'net/bluetooth_tizen/bnep/netdev.c')
-rw-r--r-- | net/bluetooth_tizen/bnep/netdev.c | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/net/bluetooth_tizen/bnep/netdev.c b/net/bluetooth_tizen/bnep/netdev.c deleted file mode 100644 index bc40864..0000000 --- a/net/bluetooth_tizen/bnep/netdev.c +++ /dev/null @@ -1,238 +0,0 @@ -/* - BNEP implementation for Linux Bluetooth stack (BlueZ). - Copyright (C) 2001-2002 Inventel Systemes - Written 2001-2002 by - Clément Moreau <clement.moreau@inventel.fr> - David Libault <david.libault@inventel.fr> - - Copyright (C) 2002 Maxim Krasnyansky <maxk@qualcomm.com> - - 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; - - 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 OF THIRD PARTY RIGHTS. - IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY - CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES - WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - - ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, - COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS - SOFTWARE IS DISCLAIMED. -*/ - -#include <linux/module.h> -#include <linux/slab.h> - -#include <linux/socket.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/wait.h> - -#include <asm/unaligned.h> - -#include <net/bluetooth/bluetooth.h> -#include <net/bluetooth/hci_core.h> -#include <net/bluetooth/l2cap.h> - -#include "bnep.h" - -#define BNEP_TX_QUEUE_LEN 20 - -static int bnep_net_open(struct net_device *dev) -{ - netif_start_queue(dev); - return 0; -} - -static int bnep_net_close(struct net_device *dev) -{ - netif_stop_queue(dev); - return 0; -} - -static void bnep_net_set_mc_list(struct net_device *dev) -{ -#ifdef CONFIG_BT_BNEP_MC_FILTER - struct bnep_session *s = netdev_priv(dev); - struct sock *sk = s->sock->sk; - struct bnep_set_filter_req *r; - struct sk_buff *skb; - int size; - - BT_DBG("%s mc_count %d", dev->name, netdev_mc_count(dev)); - - size = sizeof(*r) + (BNEP_MAX_MULTICAST_FILTERS + 1) * ETH_ALEN * 2; - skb = alloc_skb(size, GFP_ATOMIC); - if (!skb) { - BT_ERR("%s Multicast list allocation failed", dev->name); - return; - } - - r = (void *) skb->data; - __skb_put(skb, sizeof(*r)); - - r->type = BNEP_CONTROL; - r->ctrl = BNEP_FILTER_MULTI_ADDR_SET; - - if (dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) { - u8 start[ETH_ALEN] = { 0x01 }; - - /* Request all addresses */ - memcpy(__skb_put(skb, ETH_ALEN), start, ETH_ALEN); - memcpy(__skb_put(skb, ETH_ALEN), dev->broadcast, ETH_ALEN); - r->len = htons(ETH_ALEN * 2); - } else { - struct netdev_hw_addr *ha; - int i, len = skb->len; - - if (dev->flags & IFF_BROADCAST) { - memcpy(__skb_put(skb, ETH_ALEN), dev->broadcast, ETH_ALEN); - memcpy(__skb_put(skb, ETH_ALEN), dev->broadcast, ETH_ALEN); - } - - /* FIXME: We should group addresses here. */ - - i = 0; - netdev_for_each_mc_addr(ha, dev) { - if (i == BNEP_MAX_MULTICAST_FILTERS) - break; - memcpy(__skb_put(skb, ETH_ALEN), ha->addr, ETH_ALEN); - memcpy(__skb_put(skb, ETH_ALEN), ha->addr, ETH_ALEN); - - i++; - } - r->len = htons(skb->len - len); - } - - skb_queue_tail(&sk->sk_write_queue, skb); - wake_up_interruptible(sk_sleep(sk)); -#endif -} - -static int bnep_net_set_mac_addr(struct net_device *dev, void *arg) -{ - BT_DBG("%s", dev->name); - return 0; -} - -static void bnep_net_timeout(struct net_device *dev) -{ - BT_DBG("net_timeout"); - netif_wake_queue(dev); -} - -#ifdef CONFIG_BT_BNEP_MC_FILTER -static inline int bnep_net_mc_filter(struct sk_buff *skb, struct bnep_session *s) -{ - struct ethhdr *eh = (void *) skb->data; - - if ((eh->h_dest[0] & 1) && !test_bit(bnep_mc_hash(eh->h_dest), (ulong *) &s->mc_filter)) - return 1; - return 0; -} -#endif - -#ifdef CONFIG_BT_BNEP_PROTO_FILTER -/* Determine ether protocol. Based on eth_type_trans. */ -static inline u16 bnep_net_eth_proto(struct sk_buff *skb) -{ - struct ethhdr *eh = (void *) skb->data; - u16 proto = ntohs(eh->h_proto); - - if (proto >= 1536) - return proto; - - if (get_unaligned((__be16 *) skb->data) == htons(0xFFFF)) - return ETH_P_802_3; - - return ETH_P_802_2; -} - -static inline int bnep_net_proto_filter(struct sk_buff *skb, struct bnep_session *s) -{ - u16 proto = bnep_net_eth_proto(skb); - struct bnep_proto_filter *f = s->proto_filter; - int i; - - for (i = 0; i < BNEP_MAX_PROTO_FILTERS && f[i].end; i++) { - if (proto >= f[i].start && proto <= f[i].end) - return 0; - } - - BT_DBG("BNEP: filtered skb %p, proto 0x%.4x", skb, proto); - return 1; -} -#endif - -static netdev_tx_t bnep_net_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - struct bnep_session *s = netdev_priv(dev); - struct sock *sk = s->sock->sk; - - BT_DBG("skb %p, dev %p", skb, dev); - -#ifdef CONFIG_BT_BNEP_MC_FILTER - if (bnep_net_mc_filter(skb, s)) { - kfree_skb(skb); - return NETDEV_TX_OK; - } -#endif - -#ifdef CONFIG_BT_BNEP_PROTO_FILTER - if (bnep_net_proto_filter(skb, s)) { - kfree_skb(skb); - return NETDEV_TX_OK; - } -#endif - - /* - * We cannot send L2CAP packets from here as we are potentially in a bh. - * So we have to queue them and wake up session thread which is sleeping - * on the sk_sleep(sk). - */ - dev->trans_start = jiffies; - skb_queue_tail(&sk->sk_write_queue, skb); - wake_up_interruptible(sk_sleep(sk)); - - if (skb_queue_len(&sk->sk_write_queue) >= BNEP_TX_QUEUE_LEN) { - BT_DBG("tx queue is full"); - - /* Stop queuing. - * Session thread will do netif_wake_queue() */ - netif_stop_queue(dev); - } - - return NETDEV_TX_OK; -} - -static const struct net_device_ops bnep_netdev_ops = { - .ndo_open = bnep_net_open, - .ndo_stop = bnep_net_close, - .ndo_start_xmit = bnep_net_xmit, - .ndo_validate_addr = eth_validate_addr, - .ndo_set_rx_mode = bnep_net_set_mc_list, - .ndo_set_mac_address = bnep_net_set_mac_addr, - .ndo_tx_timeout = bnep_net_timeout, - .ndo_change_mtu = eth_change_mtu, - -}; - -void bnep_net_setup(struct net_device *dev) -{ - - memset(dev->broadcast, 0xff, ETH_ALEN); - dev->addr_len = ETH_ALEN; - - ether_setup(dev); - dev->priv_flags &= ~IFF_TX_SKB_SHARING; - dev->netdev_ops = &bnep_netdev_ops; - - dev->watchdog_timeo = HZ * 2; -} |