diff options
Diffstat (limited to 'net/ieee802154/6lowpan/core.c')
-rw-r--r-- | net/ieee802154/6lowpan/core.c | 89 |
1 files changed, 44 insertions, 45 deletions
diff --git a/net/ieee802154/6lowpan/core.c b/net/ieee802154/6lowpan/core.c index 953b1c49f5d1..b0f04601b0f8 100644 --- a/net/ieee802154/6lowpan/core.c +++ b/net/ieee802154/6lowpan/core.c @@ -61,7 +61,7 @@ static struct header_ops lowpan_header_ops = { static struct lock_class_key lowpan_tx_busylock; static struct lock_class_key lowpan_netdev_xmit_lock_key; -static void lowpan_set_lockdep_class_one(struct net_device *dev, +static void lowpan_set_lockdep_class_one(struct net_device *ldev, struct netdev_queue *txq, void *_unused) { @@ -69,10 +69,10 @@ static void lowpan_set_lockdep_class_one(struct net_device *dev, &lowpan_netdev_xmit_lock_key); } -static int lowpan_dev_init(struct net_device *dev) +static int lowpan_dev_init(struct net_device *ldev) { - netdev_for_each_tx_queue(dev, lowpan_set_lockdep_class_one, NULL); - dev->qdisc_tx_busylock = &lowpan_tx_busylock; + netdev_for_each_tx_queue(ldev, lowpan_set_lockdep_class_one, NULL); + ldev->qdisc_tx_busylock = &lowpan_tx_busylock; return 0; } @@ -81,23 +81,23 @@ static const struct net_device_ops lowpan_netdev_ops = { .ndo_start_xmit = lowpan_xmit, }; -static void lowpan_setup(struct net_device *dev) +static void lowpan_setup(struct net_device *ldev) { - dev->addr_len = IEEE802154_ADDR_LEN; - memset(dev->broadcast, 0xff, IEEE802154_ADDR_LEN); - dev->type = ARPHRD_6LOWPAN; + ldev->addr_len = IEEE802154_ADDR_LEN; + memset(ldev->broadcast, 0xff, IEEE802154_ADDR_LEN); + ldev->type = ARPHRD_6LOWPAN; /* Frame Control + Sequence Number + Address fields + Security Header */ - dev->hard_header_len = 2 + 1 + 20 + 14; - dev->needed_tailroom = 2; /* FCS */ - dev->mtu = IPV6_MIN_MTU; - dev->priv_flags |= IFF_NO_QUEUE; - dev->flags = IFF_BROADCAST | IFF_MULTICAST; - dev->watchdog_timeo = 0; - - dev->netdev_ops = &lowpan_netdev_ops; - dev->header_ops = &lowpan_header_ops; - dev->destructor = free_netdev; - dev->features |= NETIF_F_NETNS_LOCAL; + ldev->hard_header_len = 2 + 1 + 20 + 14; + ldev->needed_tailroom = 2; /* FCS */ + ldev->mtu = IPV6_MIN_MTU; + ldev->priv_flags |= IFF_NO_QUEUE; + ldev->flags = IFF_BROADCAST | IFF_MULTICAST; + ldev->watchdog_timeo = 0; + + ldev->netdev_ops = &lowpan_netdev_ops; + ldev->header_ops = &lowpan_header_ops; + ldev->destructor = free_netdev; + ldev->features |= NETIF_F_NETNS_LOCAL; } static int lowpan_validate(struct nlattr *tb[], struct nlattr *data[]) @@ -109,10 +109,10 @@ static int lowpan_validate(struct nlattr *tb[], struct nlattr *data[]) return 0; } -static int lowpan_newlink(struct net *src_net, struct net_device *dev, +static int lowpan_newlink(struct net *src_net, struct net_device *ldev, struct nlattr *tb[], struct nlattr *data[]) { - struct net_device *real_dev; + struct net_device *wdev; int ret; ASSERT_RTNL(); @@ -120,35 +120,35 @@ static int lowpan_newlink(struct net *src_net, struct net_device *dev, pr_debug("adding new link\n"); if (!tb[IFLA_LINK] || - !net_eq(dev_net(dev), &init_net)) + !net_eq(dev_net(ldev), &init_net)) return -EINVAL; - /* find and hold real wpan device */ - real_dev = dev_get_by_index(dev_net(dev), nla_get_u32(tb[IFLA_LINK])); - if (!real_dev) + /* find and hold wpan device */ + wdev = dev_get_by_index(dev_net(ldev), nla_get_u32(tb[IFLA_LINK])); + if (!wdev) return -ENODEV; - if (real_dev->type != ARPHRD_IEEE802154) { - dev_put(real_dev); + if (wdev->type != ARPHRD_IEEE802154) { + dev_put(wdev); return -EINVAL; } - if (real_dev->ieee802154_ptr->lowpan_dev) { - dev_put(real_dev); + if (wdev->ieee802154_ptr->lowpan_dev) { + dev_put(wdev); return -EBUSY; } - lowpan_dev_info(dev)->real_dev = real_dev; + lowpan_dev_info(ldev)->wdev = wdev; /* Set the lowpan hardware address to the wpan hardware address. */ - memcpy(dev->dev_addr, real_dev->dev_addr, IEEE802154_ADDR_LEN); + memcpy(ldev->dev_addr, wdev->dev_addr, IEEE802154_ADDR_LEN); - lowpan_netdev_setup(dev, LOWPAN_LLTYPE_IEEE802154); + lowpan_netdev_setup(ldev, LOWPAN_LLTYPE_IEEE802154); - ret = register_netdevice(dev); + ret = register_netdevice(ldev); if (ret < 0) { - dev_put(real_dev); + dev_put(wdev); return ret; } - real_dev->ieee802154_ptr->lowpan_dev = dev; + wdev->ieee802154_ptr->lowpan_dev = ldev; if (!open_count) lowpan_rx_init(); @@ -157,10 +157,9 @@ static int lowpan_newlink(struct net *src_net, struct net_device *dev, return 0; } -static void lowpan_dellink(struct net_device *dev, struct list_head *head) +static void lowpan_dellink(struct net_device *ldev, struct list_head *head) { - struct lowpan_dev_info *lowpan_dev = lowpan_dev_info(dev); - struct net_device *real_dev = lowpan_dev->real_dev; + struct net_device *wdev = lowpan_dev_info(ldev)->wdev; ASSERT_RTNL(); @@ -169,9 +168,9 @@ static void lowpan_dellink(struct net_device *dev, struct list_head *head) if (!open_count) lowpan_rx_exit(); - real_dev->ieee802154_ptr->lowpan_dev = NULL; - unregister_netdevice(dev); - dev_put(real_dev); + wdev->ieee802154_ptr->lowpan_dev = NULL; + unregister_netdevice(ldev); + dev_put(wdev); } static struct rtnl_link_ops lowpan_link_ops __read_mostly = { @@ -196,9 +195,9 @@ static inline void lowpan_netlink_fini(void) static int lowpan_device_event(struct notifier_block *unused, unsigned long event, void *ptr) { - struct net_device *dev = netdev_notifier_info_to_dev(ptr); + struct net_device *wdev = netdev_notifier_info_to_dev(ptr); - if (dev->type != ARPHRD_IEEE802154) + if (wdev->type != ARPHRD_IEEE802154) goto out; switch (event) { @@ -207,8 +206,8 @@ static int lowpan_device_event(struct notifier_block *unused, * also delete possible lowpan interfaces which belongs * to the wpan interface. */ - if (dev->ieee802154_ptr && dev->ieee802154_ptr->lowpan_dev) - lowpan_dellink(dev->ieee802154_ptr->lowpan_dev, NULL); + if (wdev->ieee802154_ptr && wdev->ieee802154_ptr->lowpan_dev) + lowpan_dellink(wdev->ieee802154_ptr->lowpan_dev, NULL); break; default: break; |