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net: net/core/dev.c cleanups 

Pure style cleanup patch before surgery :)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2009-09-03 01:29:39 -07:00 committed by David S. Miller
parent 137742cf97
commit d1b19dff91
1 changed files with 297 additions and 302 deletions
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599
net/core/dev.c
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@ -191,7 +191,6 @@ static struct list_head ptype_all __read_mostly; /* Taps */
* semaphore held.
*/
DEFINE_RWLOCK(dev_base_lock);
EXPORT_SYMBOL(dev_base_lock);
#define NETDEV_HASHBITS 8
@ -248,6 +247,7 @@ static RAW_NOTIFIER_HEAD(netdev_chain);
*/
DEFINE_PER_CPU(struct softnet_data, softnet_data);
EXPORT_PER_CPU_SYMBOL(softnet_data);
#ifdef CONFIG_LOCKDEP
/*
@ -381,6 +381,7 @@ void dev_add_pack(struct packet_type *pt)
}
spin_unlock_bh(&ptype_lock);
}
EXPORT_SYMBOL(dev_add_pack);
/**
* __dev_remove_pack - remove packet handler
@ -418,6 +419,8 @@ void __dev_remove_pack(struct packet_type *pt)
out:
spin_unlock_bh(&ptype_lock);
}
EXPORT_SYMBOL(__dev_remove_pack);
/**
* dev_remove_pack - remove packet handler
* @pt: packet type declaration
@ -436,6 +439,7 @@ void dev_remove_pack(struct packet_type *pt)
synchronize_net();
}
EXPORT_SYMBOL(dev_remove_pack);
/******************************************************************************
@ -499,6 +503,7 @@ int netdev_boot_setup_check(struct net_device *dev)
}
return 0;
}
EXPORT_SYMBOL(netdev_boot_setup_check);
/**
@ -591,6 +596,7 @@ struct net_device *__dev_get_by_name(struct net *net, const char *name)
}
return NULL;
}
EXPORT_SYMBOL(__dev_get_by_name);
/**
* dev_get_by_name - find a device by its name
@ -615,6 +621,7 @@ struct net_device *dev_get_by_name(struct net *net, const char *name)
read_unlock(&dev_base_lock);
return dev;
}
EXPORT_SYMBOL(dev_get_by_name);
/**
* __dev_get_by_index - find a device by its ifindex
@ -640,6 +647,7 @@ struct net_device *__dev_get_by_index(struct net *net, int ifindex)
}
return NULL;
}
EXPORT_SYMBOL(__dev_get_by_index);
/**
@ -664,6 +672,7 @@ struct net_device *dev_get_by_index(struct net *net, int ifindex)
read_unlock(&dev_base_lock);
return dev;
}
EXPORT_SYMBOL(dev_get_by_index);
/**
* dev_getbyhwaddr - find a device by its hardware address
@ -693,7 +702,6 @@ struct net_device *dev_getbyhwaddr(struct net *net, unsigned short type, char *h
return NULL;
}
EXPORT_SYMBOL(dev_getbyhwaddr);
struct net_device *__dev_getfirstbyhwtype(struct net *net, unsigned short type)
@ -707,7 +715,6 @@ struct net_device *__dev_getfirstbyhwtype(struct net *net, unsigned short type)
return NULL;
}
EXPORT_SYMBOL(__dev_getfirstbyhwtype);
struct net_device *dev_getfirstbyhwtype(struct net *net, unsigned short type)
@ -721,7 +728,6 @@ struct net_device *dev_getfirstbyhwtype(struct net *net, unsigned short type)
rtnl_unlock();
return dev;
}
EXPORT_SYMBOL(dev_getfirstbyhwtype);
/**
@ -736,7 +742,8 @@ EXPORT_SYMBOL(dev_getfirstbyhwtype);
* dev_put to indicate they have finished with it.
*/
struct net_device * dev_get_by_flags(struct net *net, unsigned short if_flags, unsigned short mask)
struct net_device *dev_get_by_flags(struct net *net, unsigned short if_flags,
unsigned short mask)
{
struct net_device *dev, *ret;
@ -752,6 +759,7 @@ struct net_device * dev_get_by_flags(struct net *net, unsigned short if_flags, u
read_unlock(&dev_base_lock);
return ret;
}
EXPORT_SYMBOL(dev_get_by_flags);
/**
* dev_valid_name - check if name is okay for network device
@ -777,6 +785,7 @@ int dev_valid_name(const char *name)
}
return 1;
}
EXPORT_SYMBOL(dev_valid_name);
/**
* __dev_alloc_name - allocate a name for a device
@ -870,6 +879,7 @@ int dev_alloc_name(struct net_device *dev, const char *name)
strlcpy(dev->name, buf, IFNAMSIZ);
return ret;
}
EXPORT_SYMBOL(dev_alloc_name);
/**
@ -906,8 +916,7 @@ int dev_change_name(struct net_device *dev, const char *newname)
err = dev_alloc_name(dev, newname);
if (err < 0)
return err;
}
else if (__dev_get_by_name(net, newname))
} else if (__dev_get_by_name(net, newname))
return -EEXIST;
else
strlcpy(dev->name, newname, IFNAMSIZ);
@ -970,7 +979,7 @@ int dev_set_alias(struct net_device *dev, const char *alias, size_t len)
return 0;
}
dev->ifalias = krealloc(dev->ifalias, len+1, GFP_KERNEL);
dev->ifalias = krealloc(dev->ifalias, len + 1, GFP_KERNEL);
if (!dev->ifalias)
return -ENOMEM;
@ -1006,6 +1015,7 @@ void netdev_state_change(struct net_device *dev)
rtmsg_ifinfo(RTM_NEWLINK, dev, 0);
}
}
EXPORT_SYMBOL(netdev_state_change);
void netdev_bonding_change(struct net_device *dev)
{
@ -1034,6 +1044,7 @@ void dev_load(struct net *net, const char *name)
if (!dev && capable(CAP_SYS_MODULE))
request_module("%s", name);
}
EXPORT_SYMBOL(dev_load);
/**
* dev_open - prepare an interface for use.
@ -1118,6 +1129,7 @@ int dev_open(struct net_device *dev)
return ret;
}
EXPORT_SYMBOL(dev_open);
/**
* dev_close - shutdown an interface.
@ -1184,6 +1196,7 @@ int dev_close(struct net_device *dev)
return 0;
}
EXPORT_SYMBOL(dev_close);
/**
@ -1279,6 +1292,7 @@ rollback:
raw_notifier_chain_unregister(&netdev_chain, nb);
goto unlock;
}
EXPORT_SYMBOL(register_netdevice_notifier);
/**
* unregister_netdevice_notifier - unregister a network notifier block
@ -1299,6 +1313,7 @@ int unregister_netdevice_notifier(struct notifier_block *nb)
rtnl_unlock();
return err;
}
EXPORT_SYMBOL(unregister_netdevice_notifier);
/**
* call_netdevice_notifiers - call all network notifier blocks
@ -1321,11 +1336,13 @@ void net_enable_timestamp(void)
{
atomic_inc(&netstamp_needed);
}
EXPORT_SYMBOL(net_enable_timestamp);
void net_disable_timestamp(void)
{
atomic_dec(&netstamp_needed);
}
EXPORT_SYMBOL(net_disable_timestamp);
static inline void net_timestamp(struct sk_buff *skb)
{
@ -1359,7 +1376,7 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
if ((ptype->dev == dev || !ptype->dev) &&
(ptype->af_packet_priv == NULL ||
(struct sock *)ptype->af_packet_priv != skb->sk)) {
struct sk_buff *skb2= skb_clone(skb, GFP_ATOMIC);
struct sk_buff *skb2 = skb_clone(skb, GFP_ATOMIC);
if (!skb2)
break;
@ -1527,6 +1544,7 @@ out_set_summed:
out:
return ret;
}
EXPORT_SYMBOL(skb_checksum_help);
/**
* skb_gso_segment - Perform segmentation on skb.
@ -1589,7 +1607,6 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, int features)
return segs;
}
EXPORT_SYMBOL(skb_gso_segment);
/* Take action when hardware reception checksum errors are detected. */
@ -1755,7 +1772,7 @@ u16 skb_tx_hash(const struct net_device *dev, const struct sk_buff *skb)
if (skb_rx_queue_recorded(skb)) {
hash = skb_get_rx_queue(skb);
while (unlikely (hash >= dev->real_num_tx_queues))
while (unlikely(hash >= dev->real_num_tx_queues))
hash -= dev->real_num_tx_queues;
return hash;
}
@ -1890,7 +1907,7 @@ gso:
q = rcu_dereference(txq->qdisc);
#ifdef CONFIG_NET_CLS_ACT
skb->tc_verd = SET_TC_AT(skb->tc_verd,AT_EGRESS);
skb->tc_verd = SET_TC_AT(skb->tc_verd, AT_EGRESS);
#endif
if (q->enqueue) {
rc = __dev_xmit_skb(skb, q, dev, txq);
@ -1946,6 +1963,7 @@ out:
rcu_read_unlock_bh();
return rc;
}
EXPORT_SYMBOL(dev_queue_xmit);
/*=======================================================================
@ -2012,6 +2030,7 @@ enqueue:
kfree_skb(skb);
return NET_RX_DROP;
}
EXPORT_SYMBOL(netif_rx);
int netif_rx_ni(struct sk_buff *skb)
{
@ -2025,7 +2044,6 @@ int netif_rx_ni(struct sk_buff *skb)
return err;
}
EXPORT_SYMBOL(netif_rx_ni);
static void net_tx_action(struct softirq_action *h)
@ -2358,6 +2376,7 @@ out:
rcu_read_unlock();
return ret;
}
EXPORT_SYMBOL(netif_receive_skb);
/* Network device is going away, flush any packets still pending */
static void flush_backlog(void *arg)
@ -2874,7 +2893,7 @@ softnet_break:
goto out;
}
static gifconf_func_t * gifconf_list [NPROTO];
static gifconf_func_t *gifconf_list[NPROTO];
/**
* register_gifconf - register a SIOCGIF handler
@ -2885,13 +2904,14 @@ static gifconf_func_t * gifconf_list [NPROTO];
* that is passed must not be freed or reused until it has been replaced
* by another handler.
*/
int register_gifconf(unsigned int family, gifconf_func_t * gifconf)
int register_gifconf(unsigned int family, gifconf_func_t *gifconf)
{
if (family >= NPROTO)
return -EINVAL;
gifconf_list[family] = gifconf;
return 0;
}
EXPORT_SYMBOL(register_gifconf);
/*
@ -3102,7 +3122,7 @@ static int softnet_seq_show(struct seq_file *seq, void *v)
seq_printf(seq, "%08x %08x %08x %08x %08x %08x %08x %08x %08x\n",
s->total, s->dropped, s->time_squeeze, 0,
0, 0, 0, 0, /* was fastroute */
s->cpu_collision );
s->cpu_collision);
return 0;
}
@ -3338,6 +3358,7 @@ int netdev_set_master(struct net_device *slave, struct net_device *master)
rtmsg_ifinfo(RTM_NEWLINK, slave, IFF_SLAVE);
return 0;
}
EXPORT_SYMBOL(netdev_set_master);
static void dev_change_rx_flags(struct net_device *dev, int flags)
{
@ -3416,6 +3437,7 @@ int dev_set_promiscuity(struct net_device *dev, int inc)
dev_set_rx_mode(dev);
return err;
}
EXPORT_SYMBOL(dev_set_promiscuity);
/**
* dev_set_allmulti - update allmulti count on a device
@ -3459,6 +3481,7 @@ int dev_set_allmulti(struct net_device *dev, int inc)
}
return 0;
}
EXPORT_SYMBOL(dev_set_allmulti);
/*
* Upload unicast and multicast address lists to device and
@ -4088,6 +4111,7 @@ unsigned dev_get_flags(const struct net_device *dev)
return flags;
}
EXPORT_SYMBOL(dev_get_flags);
/**
* dev_change_flags - change device settings
@ -4138,12 +4162,13 @@ int dev_change_flags(struct net_device *dev, unsigned flags)
}
if (dev->flags & IFF_UP &&
((old_flags ^ dev->flags) &~ (IFF_UP | IFF_PROMISC | IFF_ALLMULTI |
((old_flags ^ dev->flags) & ~(IFF_UP | IFF_PROMISC | IFF_ALLMULTI |
IFF_VOLATILE)))
call_netdevice_notifiers(NETDEV_CHANGE, dev);
if ((flags ^ dev->gflags) & IFF_PROMISC) {
int inc = (flags & IFF_PROMISC) ? +1 : -1;
int inc = (flags & IFF_PROMISC) ? 1 : -1;
dev->gflags ^= IFF_PROMISC;
dev_set_promiscuity(dev, inc);
}
@ -4153,7 +4178,8 @@ int dev_change_flags(struct net_device *dev, unsigned flags)
IFF_ALLMULTI is requested not asking us and not reporting.
*/
if ((flags ^ dev->gflags) & IFF_ALLMULTI) {
int inc = (flags & IFF_ALLMULTI) ? +1 : -1;
int inc = (flags & IFF_ALLMULTI) ? 1 : -1;
dev->gflags ^= IFF_ALLMULTI;
dev_set_allmulti(dev, inc);
}
@ -4165,6 +4191,7 @@ int dev_change_flags(struct net_device *dev, unsigned flags)
return ret;
}
EXPORT_SYMBOL(dev_change_flags);
/**
* dev_set_mtu - Change maximum transfer unit
@ -4198,6 +4225,7 @@ int dev_set_mtu(struct net_device *dev, int new_mtu)
call_netdevice_notifiers(NETDEV_CHANGEMTU, dev);
return err;
}
EXPORT_SYMBOL(dev_set_mtu);
/**
* dev_set_mac_address - Change Media Access Control Address
@ -4222,6 +4250,7 @@ int dev_set_mac_address(struct net_device *dev, struct sockaddr *sa)
call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
return err;
}
EXPORT_SYMBOL(dev_set_mac_address);
/*
* Perform the SIOCxIFxxx calls, inside read_lock(dev_base_lock)
@ -4235,56 +4264,56 @@ static int dev_ifsioc_locked(struct net *net, struct ifreq *ifr, unsigned int cm
return -ENODEV;
switch (cmd) {
case SIOCGIFFLAGS: /* Get interface flags */
ifr->ifr_flags = (short) dev_get_flags(dev);
return 0;
case SIOCGIFFLAGS: /* Get interface flags */
ifr->ifr_flags = (short) dev_get_flags(dev);
return 0;
case SIOCGIFMETRIC: /* Get the metric on the interface
(currently unused) */
ifr->ifr_metric = 0;
return 0;
case SIOCGIFMETRIC: /* Get the metric on the interface
(currently unused) */
ifr->ifr_metric = 0;
return 0;
case SIOCGIFMTU: /* Get the MTU of a device */
ifr->ifr_mtu = dev->mtu;
return 0;
case SIOCGIFMTU: /* Get the MTU of a device */
ifr->ifr_mtu = dev->mtu;
return 0;
case SIOCGIFHWADDR:
if (!dev->addr_len)
memset(ifr->ifr_hwaddr.sa_data, 0, sizeof ifr->ifr_hwaddr.sa_data);
else
memcpy(ifr->ifr_hwaddr.sa_data, dev->dev_addr,
min(sizeof ifr->ifr_hwaddr.sa_data, (size_t) dev->addr_len));
ifr->ifr_hwaddr.sa_family = dev->type;
return 0;
case SIOCGIFHWADDR:
if (!dev->addr_len)
memset(ifr->ifr_hwaddr.sa_data, 0, sizeof ifr->ifr_hwaddr.sa_data);
else
memcpy(ifr->ifr_hwaddr.sa_data, dev->dev_addr,
min(sizeof ifr->ifr_hwaddr.sa_data, (size_t) dev->addr_len));
ifr->ifr_hwaddr.sa_family = dev->type;
return 0;
case SIOCGIFSLAVE:
err = -EINVAL;
break;
case SIOCGIFSLAVE:
err = -EINVAL;
break;
case SIOCGIFMAP:
ifr->ifr_map.mem_start = dev->mem_start;
ifr->ifr_map.mem_end = dev->mem_end;
ifr->ifr_map.base_addr = dev->base_addr;
ifr->ifr_map.irq = dev->irq;
ifr->ifr_map.dma = dev->dma;
ifr->ifr_map.port = dev->if_port;
return 0;
case SIOCGIFMAP:
ifr->ifr_map.mem_start = dev->mem_start;
ifr->ifr_map.mem_end = dev->mem_end;
ifr->ifr_map.base_addr = dev->base_addr;
ifr->ifr_map.irq = dev->irq;
ifr->ifr_map.dma = dev->dma;
ifr->ifr_map.port = dev->if_port;
return 0;
case SIOCGIFINDEX:
ifr->ifr_ifindex = dev->ifindex;
return 0;
case SIOCGIFINDEX:
ifr->ifr_ifindex = dev->ifindex;
return 0;
case SIOCGIFTXQLEN:
ifr->ifr_qlen = dev->tx_queue_len;
return 0;
case SIOCGIFTXQLEN:
ifr->ifr_qlen = dev->tx_queue_len;
return 0;
default:
/* dev_ioctl() should ensure this case
* is never reached
*/
WARN_ON(1);
err = -EINVAL;
break;
default:
/* dev_ioctl() should ensure this case
* is never reached
*/
WARN_ON(1);
err = -EINVAL;
break;
}
return err;
@ -4305,92 +4334,91 @@ static int dev_ifsioc(struct net *net, struct ifreq *ifr, unsigned int cmd)
ops = dev->netdev_ops;
switch (cmd) {
case SIOCSIFFLAGS: /* Set interface flags */
return dev_change_flags(dev, ifr->ifr_flags);
case SIOCSIFFLAGS: /* Set interface flags */
return dev_change_flags(dev, ifr->ifr_flags);
case SIOCSIFMETRIC: /* Set the metric on the interface
(currently unused) */
return -EOPNOTSUPP;
case SIOCSIFMETRIC: /* Set the metric on the interface
(currently unused) */
return -EOPNOTSUPP;
case SIOCSIFMTU: /* Set the MTU of a device */
return dev_set_mtu(dev, ifr->ifr_mtu);
case SIOCSIFMTU: /* Set the MTU of a device */
return dev_set_mtu(dev, ifr->ifr_mtu);
case SIOCSIFHWADDR:
return dev_set_mac_address(dev, &ifr->ifr_hwaddr);
case SIOCSIFHWADDR:
return dev_set_mac_address(dev, &ifr->ifr_hwaddr);
case SIOCSIFHWBROADCAST:
if (ifr->ifr_hwaddr.sa_family != dev->type)
return -EINVAL;
memcpy(dev->broadcast, ifr->ifr_hwaddr.sa_data,
min(sizeof ifr->ifr_hwaddr.sa_data, (size_t) dev->addr_len));
call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
return 0;
case SIOCSIFHWBROADCAST:
if (ifr->ifr_hwaddr.sa_family != dev->type)
return -EINVAL;
memcpy(dev->broadcast, ifr->ifr_hwaddr.sa_data,
min(sizeof ifr->ifr_hwaddr.sa_data, (size_t) dev->addr_len));
call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
return 0;
case SIOCSIFMAP:
if (ops->ndo_set_config) {
if (!netif_device_present(dev))
return -ENODEV;
return ops->ndo_set_config(dev, &ifr->ifr_map);
case SIOCSIFMAP:
if (ops->ndo_set_config) {
if (!netif_device_present(dev))
return -ENODEV;
return ops->ndo_set_config(dev, &ifr->ifr_map);
}
return -EOPNOTSUPP;
case SIOCADDMULTI:
if ((!ops->ndo_set_multicast_list && !ops->ndo_set_rx_mode) ||
ifr->ifr_hwaddr.sa_family != AF_UNSPEC)
return -EINVAL;
if (!netif_device_present(dev))
return -ENODEV;
return dev_mc_add(dev, ifr->ifr_hwaddr.sa_data,
dev->addr_len, 1);
case SIOCDELMULTI:
if ((!ops->ndo_set_multicast_list && !ops->ndo_set_rx_mode) ||
ifr->ifr_hwaddr.sa_family != AF_UNSPEC)
return -EINVAL;
if (!netif_device_present(dev))
return -ENODEV;
return dev_mc_delete(dev, ifr->ifr_hwaddr.sa_data,
dev->addr_len, 1);
case SIOCSIFTXQLEN:
if (ifr->ifr_qlen < 0)
return -EINVAL;
dev->tx_queue_len = ifr->ifr_qlen;
return 0;
case SIOCSIFNAME:
ifr->ifr_newname[IFNAMSIZ-1] = '\0';
return dev_change_name(dev, ifr->ifr_newname);
/*
* Unknown or private ioctl
*/
default:
if ((cmd >= SIOCDEVPRIVATE &&
cmd <= SIOCDEVPRIVATE + 15) ||
cmd == SIOCBONDENSLAVE ||
cmd == SIOCBONDRELEASE ||
cmd == SIOCBONDSETHWADDR ||
cmd == SIOCBONDSLAVEINFOQUERY ||
cmd == SIOCBONDINFOQUERY ||
cmd == SIOCBONDCHANGEACTIVE ||
cmd == SIOCGMIIPHY ||
cmd == SIOCGMIIREG ||
cmd == SIOCSMIIREG ||
cmd == SIOCBRADDIF ||
cmd == SIOCBRDELIF ||
cmd == SIOCSHWTSTAMP ||
cmd == SIOCWANDEV) {
err = -EOPNOTSUPP;
if (ops->ndo_do_ioctl) {
if (netif_device_present(dev))
err = ops->ndo_do_ioctl(dev, ifr, cmd);
else
err = -ENODEV;
}
return -EOPNOTSUPP;
case SIOCADDMULTI:
if ((!ops->ndo_set_multicast_list && !ops->ndo_set_rx_mode) ||
ifr->ifr_hwaddr.sa_family != AF_UNSPEC)
return -EINVAL;
if (!netif_device_present(dev))
return -ENODEV;
return dev_mc_add(dev, ifr->ifr_hwaddr.sa_data,
dev->addr_len, 1);
case SIOCDELMULTI:
if ((!ops->ndo_set_multicast_list && !ops->ndo_set_rx_mode) ||
ifr->ifr_hwaddr.sa_family != AF_UNSPEC)
return -EINVAL;
if (!netif_device_present(dev))
return -ENODEV;
return dev_mc_delete(dev, ifr->ifr_hwaddr.sa_data,
dev->addr_len, 1);
case SIOCSIFTXQLEN:
if (ifr->ifr_qlen < 0)
return -EINVAL;
dev->tx_queue_len = ifr->ifr_qlen;
return 0;
case SIOCSIFNAME:
ifr->ifr_newname[IFNAMSIZ-1] = '\0';
return dev_change_name(dev, ifr->ifr_newname);
/*
* Unknown or private ioctl
*/
default:
if ((cmd >= SIOCDEVPRIVATE &&
cmd <= SIOCDEVPRIVATE + 15) ||
cmd == SIOCBONDENSLAVE ||
cmd == SIOCBONDRELEASE ||
cmd == SIOCBONDSETHWADDR ||
cmd == SIOCBONDSLAVEINFOQUERY ||
cmd == SIOCBONDINFOQUERY ||
cmd == SIOCBONDCHANGEACTIVE ||
cmd == SIOCGMIIPHY ||
cmd == SIOCGMIIREG ||
cmd == SIOCSMIIREG ||
cmd == SIOCBRADDIF ||
cmd == SIOCBRDELIF ||
cmd == SIOCSHWTSTAMP ||
cmd == SIOCWANDEV) {
err = -EOPNOTSUPP;
if (ops->ndo_do_ioctl) {
if (netif_device_present(dev))
err = ops->ndo_do_ioctl(dev, ifr, cmd);
else
err = -ENODEV;
}
} else
err = -EINVAL;
} else
err = -EINVAL;
}
return err;
@ -4447,135 +4475,135 @@ int dev_ioctl(struct net *net, unsigned int cmd, void __user *arg)
*/
switch (cmd) {
/*
* These ioctl calls:
* - can be done by all.
* - atomic and do not require locking.
* - return a value
*/
case SIOCGIFFLAGS:
case SIOCGIFMETRIC:
case SIOCGIFMTU:
case SIOCGIFHWADDR:
case SIOCGIFSLAVE:
case SIOCGIFMAP:
case SIOCGIFINDEX:
case SIOCGIFTXQLEN:
dev_load(net, ifr.ifr_name);
read_lock(&dev_base_lock);
ret = dev_ifsioc_locked(net, &ifr, cmd);
read_unlock(&dev_base_lock);
if (!ret) {
if (colon)
*colon = ':';
if (copy_to_user(arg, &ifr,
sizeof(struct ifreq)))
ret = -EFAULT;
}
return ret;
/*
* These ioctl calls:
* - can be done by all.
* - atomic and do not require locking.
* - return a value
*/
case SIOCGIFFLAGS:
case SIOCGIFMETRIC:
case SIOCGIFMTU:
case SIOCGIFHWADDR:
case SIOCGIFSLAVE:
case SIOCGIFMAP:
case SIOCGIFINDEX:
case SIOCGIFTXQLEN:
dev_load(net, ifr.ifr_name);
read_lock(&dev_base_lock);
ret = dev_ifsioc_locked(net, &ifr, cmd);
read_unlock(&dev_base_lock);
if (!ret) {
if (colon)
*colon = ':';
if (copy_to_user(arg, &ifr,
sizeof(struct ifreq)))
ret = -EFAULT;
}
return ret;
case SIOCETHTOOL:
dev_load(net, ifr.ifr_name);
rtnl_lock();
ret = dev_ethtool(net, &ifr);
rtnl_unlock();
if (!ret) {
if (colon)
*colon = ':';
if (copy_to_user(arg, &ifr,
sizeof(struct ifreq)))
ret = -EFAULT;
}
return ret;
case SIOCETHTOOL:
dev_load(net, ifr.ifr_name);
rtnl_lock();
ret = dev_ethtool(net, &ifr);
rtnl_unlock();
if (!ret) {
if (colon)
*colon = ':';
if (copy_to_user(arg, &ifr,
sizeof(struct ifreq)))
ret = -EFAULT;
}
return ret;
/*
* These ioctl calls:
* - require superuser power.
* - require strict serialization.
* - return a value
*/
case SIOCGMIIPHY:
case SIOCGMIIREG:
case SIOCSIFNAME:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
/*
* These ioctl calls:
* - require superuser power.
* - require strict serialization.
* - return a value
*/
case SIOCGMIIPHY:
case SIOCGMIIREG:
case SIOCSIFNAME:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
dev_load(net, ifr.ifr_name);
rtnl_lock();
ret = dev_ifsioc(net, &ifr, cmd);
rtnl_unlock();
if (!ret) {
if (colon)
*colon = ':';
if (copy_to_user(arg, &ifr,
sizeof(struct ifreq)))
ret = -EFAULT;
}
return ret;
/*
* These ioctl calls:
* - require superuser power.
* - require strict serialization.
* - do not return a value
*/
case SIOCSIFFLAGS:
case SIOCSIFMETRIC:
case SIOCSIFMTU:
case SIOCSIFMAP:
case SIOCSIFHWADDR:
case SIOCSIFSLAVE:
case SIOCADDMULTI:
case SIOCDELMULTI:
case SIOCSIFHWBROADCAST:
case SIOCSIFTXQLEN:
case SIOCSMIIREG:
case SIOCBONDENSLAVE:
case SIOCBONDRELEASE:
case SIOCBONDSETHWADDR:
case SIOCBONDCHANGEACTIVE:
case SIOCBRADDIF:
case SIOCBRDELIF:
case SIOCSHWTSTAMP:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
/* fall through */
case SIOCBONDSLAVEINFOQUERY:
case SIOCBONDINFOQUERY:
dev_load(net, ifr.ifr_name);
rtnl_lock();
ret = dev_ifsioc(net, &ifr, cmd);
rtnl_unlock();
return ret;
case SIOCGIFMEM:
/* Get the per device memory space. We can add this but
* currently do not support it */
case SIOCSIFMEM:
/* Set the per device memory buffer space.
* Not applicable in our case */
case SIOCSIFLINK:
return -EINVAL;
/*
* Unknown or private ioctl.
*/
default:
if (cmd == SIOCWANDEV ||
(cmd >= SIOCDEVPRIVATE &&
cmd <= SIOCDEVPRIVATE + 15)) {
dev_load(net, ifr.ifr_name);
rtnl_lock();
ret = dev_ifsioc(net, &ifr, cmd);
rtnl_unlock();
if (!ret) {
if (colon)
*colon = ':';
if (copy_to_user(arg, &ifr,
if (!ret && copy_to_user(arg, &ifr,
sizeof(struct ifreq)))
ret = -EFAULT;
}
ret = -EFAULT;
return ret;
/*
* These ioctl calls:
* - require superuser power.
* - require strict serialization.
* - do not return a value
*/
case SIOCSIFFLAGS:
case SIOCSIFMETRIC:
case SIOCSIFMTU:
case SIOCSIFMAP:
case SIOCSIFHWADDR:
case SIOCSIFSLAVE:
case SIOCADDMULTI:
case SIOCDELMULTI:
case SIOCSIFHWBROADCAST:
case SIOCSIFTXQLEN:
case SIOCSMIIREG:
case SIOCBONDENSLAVE:
case SIOCBONDRELEASE:
case SIOCBONDSETHWADDR:
case SIOCBONDCHANGEACTIVE:
case SIOCBRADDIF:
case SIOCBRDELIF:
case SIOCSHWTSTAMP:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
/* fall through */
case SIOCBONDSLAVEINFOQUERY:
case SIOCBONDINFOQUERY:
dev_load(net, ifr.ifr_name);
rtnl_lock();
ret = dev_ifsioc(net, &ifr, cmd);
rtnl_unlock();
return ret;
case SIOCGIFMEM:
/* Get the per device memory space. We can add this but
* currently do not support it */
case SIOCSIFMEM:
/* Set the per device memory buffer space.
* Not applicable in our case */
case SIOCSIFLINK:
return -EINVAL;
/*
* Unknown or private ioctl.
*/
default:
if (cmd == SIOCWANDEV ||
(cmd >= SIOCDEVPRIVATE &&
cmd <= SIOCDEVPRIVATE + 15)) {
dev_load(net, ifr.ifr_name);
rtnl_lock();
ret = dev_ifsioc(net, &ifr, cmd);
rtnl_unlock();
if (!ret && copy_to_user(arg, &ifr,
sizeof(struct ifreq)))
ret = -EFAULT;
return ret;
}
/* Take care of Wireless Extensions */
if (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST)
return wext_handle_ioctl(net, &ifr, cmd, arg);
return -EINVAL;
}
/* Take care of Wireless Extensions */
if (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST)
return wext_handle_ioctl(net, &ifr, cmd, arg);
return -EINVAL;
}
}
@ -4840,6 +4868,7 @@ err_uninit:
dev->netdev_ops->ndo_uninit(dev);
goto out;
}
EXPORT_SYMBOL(register_netdevice);
/**
* init_dummy_netdev - init a dummy network device for NAPI
@ -5126,6 +5155,8 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name,
}
dev = PTR_ALIGN(p, NETDEV_ALIGN);
pr_err("%s dev=%p queue_count=%d tx=%p\n", name, dev, queue_count, tx);
WARN_ON(queue_count == 1);
dev->padded = (char *)dev - (char *)p;
if (dev_addr_init(dev))
@ -5192,6 +5223,7 @@ void free_netdev(struct net_device *dev)
/* will free via device release */
put_device(&dev->dev);
}
EXPORT_SYMBOL(free_netdev);
/**
* synchronize_net - Synchronize with packet receive processing
@ -5204,6 +5236,7 @@ void synchronize_net(void)
might_sleep();
synchronize_rcu();
}
EXPORT_SYMBOL(synchronize_net);
/**
* unregister_netdevice - remove device from the kernel
@ -5224,6 +5257,7 @@ void unregister_netdevice(struct net_device *dev)
/* Finish processing unregister after unlock */
net_set_todo(dev);
}
EXPORT_SYMBOL(unregister_netdevice);
/**
* unregister_netdev - remove device from the kernel
@ -5242,7 +5276,6 @@ void unregister_netdev(struct net_device *dev)
unregister_netdevice(dev);
rtnl_unlock();
}
EXPORT_SYMBOL(unregister_netdev);
/**
@ -5432,7 +5465,7 @@ unsigned long netdev_increment_features(unsigned long all, unsigned long one,
unsigned long mask)
{
/* If device needs checksumming, downgrade to it. */
if (all & NETIF_F_NO_CSUM && !(one & NETIF_F_NO_CSUM))
if (all & NETIF_F_NO_CSUM && !(one & NETIF_F_NO_CSUM))
all ^= NETIF_F_NO_CSUM | (one & NETIF_F_ALL_CSUM);
else if (mask & NETIF_F_ALL_CSUM) {
/* If one device supports v4/v6 checksumming, set for all. */
@ -5658,41 +5691,3 @@ static int __init initialize_hashrnd(void)
late_initcall_sync(initialize_hashrnd);
EXPORT_SYMBOL(__dev_get_by_index);
EXPORT_SYMBOL(__dev_get_by_name);
EXPORT_SYMBOL(__dev_remove_pack);
EXPORT_SYMBOL(dev_valid_name);
EXPORT_SYMBOL(dev_add_pack);
EXPORT_SYMBOL(dev_alloc_name);
EXPORT_SYMBOL(dev_close);
EXPORT_SYMBOL(dev_get_by_flags);
EXPORT_SYMBOL(dev_get_by_index);
EXPORT_SYMBOL(dev_get_by_name);
EXPORT_SYMBOL(dev_open);
EXPORT_SYMBOL(dev_queue_xmit);
EXPORT_SYMBOL(dev_remove_pack);
EXPORT_SYMBOL(dev_set_allmulti);
EXPORT_SYMBOL(dev_set_promiscuity);
EXPORT_SYMBOL(dev_change_flags);
EXPORT_SYMBOL(dev_set_mtu);
EXPORT_SYMBOL(dev_set_mac_address);
EXPORT_SYMBOL(free_netdev);
EXPORT_SYMBOL(netdev_boot_setup_check);
EXPORT_SYMBOL(netdev_set_master);
EXPORT_SYMBOL(netdev_state_change);
EXPORT_SYMBOL(netif_receive_skb);
EXPORT_SYMBOL(netif_rx);
EXPORT_SYMBOL(register_gifconf);
EXPORT_SYMBOL(register_netdevice);
EXPORT_SYMBOL(register_netdevice_notifier);
EXPORT_SYMBOL(skb_checksum_help);
EXPORT_SYMBOL(synchronize_net);
EXPORT_SYMBOL(unregister_netdevice);
EXPORT_SYMBOL(unregister_netdevice_notifier);
EXPORT_SYMBOL(net_enable_timestamp);
EXPORT_SYMBOL(net_disable_timestamp);
EXPORT_SYMBOL(dev_get_flags);
EXPORT_SYMBOL(dev_load);
EXPORT_PER_CPU_SYMBOL(softnet_data);