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authorStephen Hemminger <shemminger@linux-foundation.org>2007-03-08 20:44:43 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-25 22:24:11 -0700
commit132adf54639cf7dd9315e8df89c2faa59f6e46d9 (patch)
tree256e3e30e843e6144bdae68e4aad181db5819d0e /net/ipv4/ipmr.c
parent[WIRELESS]: use ARRAY_SIZE() (diff)
downloadlinux-dev-132adf54639cf7dd9315e8df89c2faa59f6e46d9.tar.xz
linux-dev-132adf54639cf7dd9315e8df89c2faa59f6e46d9.zip
[IPV4]: cleanup
Add whitespace around keywords. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ipmr.c')
-rw-r--r--net/ipv4/ipmr.c305
1 files changed, 151 insertions, 154 deletions
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 601e3df69258..f73f4e402f72 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -302,7 +302,7 @@ static void ipmr_destroy_unres(struct mfc_cache *c)
atomic_dec(&cache_resolve_queue_len);
- while((skb=skb_dequeue(&c->mfc_un.unres.unresolved))) {
+ while ((skb=skb_dequeue(&c->mfc_un.unres.unresolved))) {
if (skb->nh.iph->version == 0) {
struct nlmsghdr *nlh = (struct nlmsghdr *)skb_pull(skb, sizeof(struct iphdr));
nlh->nlmsg_type = NLMSG_ERROR;
@@ -479,7 +479,7 @@ static struct mfc_cache *ipmr_cache_find(__be32 origin, __be32 mcastgrp)
static struct mfc_cache *ipmr_cache_alloc(void)
{
struct mfc_cache *c=kmem_cache_zalloc(mrt_cachep, GFP_KERNEL);
- if(c==NULL)
+ if (c==NULL)
return NULL;
c->mfc_un.res.minvif = MAXVIFS;
return c;
@@ -488,7 +488,7 @@ static struct mfc_cache *ipmr_cache_alloc(void)
static struct mfc_cache *ipmr_cache_alloc_unres(void)
{
struct mfc_cache *c=kmem_cache_zalloc(mrt_cachep, GFP_ATOMIC);
- if(c==NULL)
+ if (c==NULL)
return NULL;
skb_queue_head_init(&c->mfc_un.unres.unresolved);
c->mfc_un.unres.expires = jiffies + 10*HZ;
@@ -508,7 +508,7 @@ static void ipmr_cache_resolve(struct mfc_cache *uc, struct mfc_cache *c)
* Play the pending entries through our router
*/
- while((skb=__skb_dequeue(&uc->mfc_un.unres.unresolved))) {
+ while ((skb=__skb_dequeue(&uc->mfc_un.unres.unresolved))) {
if (skb->nh.iph->version == 0) {
struct nlmsghdr *nlh = (struct nlmsghdr *)skb_pull(skb, sizeof(struct iphdr));
@@ -551,7 +551,7 @@ static int ipmr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert)
#endif
skb = alloc_skb(128, GFP_ATOMIC);
- if(!skb)
+ if (!skb)
return -ENOBUFS;
#ifdef CONFIG_IP_PIMSM
@@ -734,7 +734,7 @@ static int ipmr_mfc_add(struct mfcctl *mfc, int mrtsock)
return 0;
}
- if(!MULTICAST(mfc->mfcc_mcastgrp.s_addr))
+ if (!MULTICAST(mfc->mfcc_mcastgrp.s_addr))
return -EINVAL;
c=ipmr_cache_alloc();
@@ -788,7 +788,7 @@ static void mroute_clean_tables(struct sock *sk)
/*
* Shut down all active vif entries
*/
- for(i=0; i<maxvif; i++) {
+ for (i=0; i<maxvif; i++) {
if (!(vif_table[i].flags&VIFF_STATIC))
vif_delete(i);
}
@@ -858,119 +858,117 @@ int ip_mroute_setsockopt(struct sock *sk,int optname,char __user *optval,int opt
struct vifctl vif;
struct mfcctl mfc;
- if(optname!=MRT_INIT)
- {
- if(sk!=mroute_socket && !capable(CAP_NET_ADMIN))
+ if (optname != MRT_INIT) {
+ if (sk != mroute_socket && !capable(CAP_NET_ADMIN))
return -EACCES;
}
- switch(optname)
- {
- case MRT_INIT:
- if (sk->sk_type != SOCK_RAW ||
- inet_sk(sk)->num != IPPROTO_IGMP)
- return -EOPNOTSUPP;
- if(optlen!=sizeof(int))
- return -ENOPROTOOPT;
-
- rtnl_lock();
- if (mroute_socket) {
- rtnl_unlock();
- return -EADDRINUSE;
- }
-
- ret = ip_ra_control(sk, 1, mrtsock_destruct);
- if (ret == 0) {
- write_lock_bh(&mrt_lock);
- mroute_socket=sk;
- write_unlock_bh(&mrt_lock);
+ switch (optname) {
+ case MRT_INIT:
+ if (sk->sk_type != SOCK_RAW ||
+ inet_sk(sk)->num != IPPROTO_IGMP)
+ return -EOPNOTSUPP;
+ if (optlen!=sizeof(int))
+ return -ENOPROTOOPT;
- ipv4_devconf.mc_forwarding++;
- }
+ rtnl_lock();
+ if (mroute_socket) {
rtnl_unlock();
- return ret;
- case MRT_DONE:
- if (sk!=mroute_socket)
- return -EACCES;
- return ip_ra_control(sk, 0, NULL);
- case MRT_ADD_VIF:
- case MRT_DEL_VIF:
- if(optlen!=sizeof(vif))
- return -EINVAL;
- if (copy_from_user(&vif,optval,sizeof(vif)))
- return -EFAULT;
- if(vif.vifc_vifi >= MAXVIFS)
- return -ENFILE;
- rtnl_lock();
- if (optname==MRT_ADD_VIF) {
- ret = vif_add(&vif, sk==mroute_socket);
- } else {
- ret = vif_delete(vif.vifc_vifi);
- }
- rtnl_unlock();
- return ret;
+ return -EADDRINUSE;
+ }
+
+ ret = ip_ra_control(sk, 1, mrtsock_destruct);
+ if (ret == 0) {
+ write_lock_bh(&mrt_lock);
+ mroute_socket=sk;
+ write_unlock_bh(&mrt_lock);
+
+ ipv4_devconf.mc_forwarding++;
+ }
+ rtnl_unlock();
+ return ret;
+ case MRT_DONE:
+ if (sk!=mroute_socket)
+ return -EACCES;
+ return ip_ra_control(sk, 0, NULL);
+ case MRT_ADD_VIF:
+ case MRT_DEL_VIF:
+ if (optlen!=sizeof(vif))
+ return -EINVAL;
+ if (copy_from_user(&vif,optval,sizeof(vif)))
+ return -EFAULT;
+ if (vif.vifc_vifi >= MAXVIFS)
+ return -ENFILE;
+ rtnl_lock();
+ if (optname==MRT_ADD_VIF) {
+ ret = vif_add(&vif, sk==mroute_socket);
+ } else {
+ ret = vif_delete(vif.vifc_vifi);
+ }
+ rtnl_unlock();
+ return ret;
/*
* Manipulate the forwarding caches. These live
* in a sort of kernel/user symbiosis.
*/
- case MRT_ADD_MFC:
- case MRT_DEL_MFC:
- if(optlen!=sizeof(mfc))
- return -EINVAL;
- if (copy_from_user(&mfc,optval, sizeof(mfc)))
- return -EFAULT;
- rtnl_lock();
- if (optname==MRT_DEL_MFC)
- ret = ipmr_mfc_delete(&mfc);
- else
- ret = ipmr_mfc_add(&mfc, sk==mroute_socket);
- rtnl_unlock();
- return ret;
+ case MRT_ADD_MFC:
+ case MRT_DEL_MFC:
+ if (optlen!=sizeof(mfc))
+ return -EINVAL;
+ if (copy_from_user(&mfc,optval, sizeof(mfc)))
+ return -EFAULT;
+ rtnl_lock();
+ if (optname==MRT_DEL_MFC)
+ ret = ipmr_mfc_delete(&mfc);
+ else
+ ret = ipmr_mfc_add(&mfc, sk==mroute_socket);
+ rtnl_unlock();
+ return ret;
/*
* Control PIM assert.
*/
- case MRT_ASSERT:
- {
- int v;
- if(get_user(v,(int __user *)optval))
- return -EFAULT;
- mroute_do_assert=(v)?1:0;
- return 0;
- }
+ case MRT_ASSERT:
+ {
+ int v;
+ if (get_user(v,(int __user *)optval))
+ return -EFAULT;
+ mroute_do_assert=(v)?1:0;
+ return 0;
+ }
#ifdef CONFIG_IP_PIMSM
- case MRT_PIM:
- {
- int v, ret;
- if(get_user(v,(int __user *)optval))
- return -EFAULT;
- v = (v)?1:0;
- rtnl_lock();
- ret = 0;
- if (v != mroute_do_pim) {
- mroute_do_pim = v;
- mroute_do_assert = v;
+ case MRT_PIM:
+ {
+ int v, ret;
+ if (get_user(v,(int __user *)optval))
+ return -EFAULT;
+ v = (v)?1:0;
+ rtnl_lock();
+ ret = 0;
+ if (v != mroute_do_pim) {
+ mroute_do_pim = v;
+ mroute_do_assert = v;
#ifdef CONFIG_IP_PIMSM_V2
- if (mroute_do_pim)
- ret = inet_add_protocol(&pim_protocol,
- IPPROTO_PIM);
- else
- ret = inet_del_protocol(&pim_protocol,
- IPPROTO_PIM);
- if (ret < 0)
- ret = -EAGAIN;
+ if (mroute_do_pim)
+ ret = inet_add_protocol(&pim_protocol,
+ IPPROTO_PIM);
+ else
+ ret = inet_del_protocol(&pim_protocol,
+ IPPROTO_PIM);
+ if (ret < 0)
+ ret = -EAGAIN;
#endif
- }
- rtnl_unlock();
- return ret;
}
+ rtnl_unlock();
+ return ret;
+ }
#endif
- /*
- * Spurious command, or MRT_VERSION which you cannot
- * set.
- */
- default:
- return -ENOPROTOOPT;
+ /*
+ * Spurious command, or MRT_VERSION which you cannot
+ * set.
+ */
+ default:
+ return -ENOPROTOOPT;
}
}
@@ -983,7 +981,7 @@ int ip_mroute_getsockopt(struct sock *sk,int optname,char __user *optval,int __u
int olr;
int val;
- if(optname!=MRT_VERSION &&
+ if (optname!=MRT_VERSION &&
#ifdef CONFIG_IP_PIMSM
optname!=MRT_PIM &&
#endif
@@ -997,17 +995,17 @@ int ip_mroute_getsockopt(struct sock *sk,int optname,char __user *optval,int __u
if (olr < 0)
return -EINVAL;
- if(put_user(olr,optlen))
+ if (put_user(olr,optlen))
return -EFAULT;
- if(optname==MRT_VERSION)
+ if (optname==MRT_VERSION)
val=0x0305;
#ifdef CONFIG_IP_PIMSM
- else if(optname==MRT_PIM)
+ else if (optname==MRT_PIM)
val=mroute_do_pim;
#endif
else
val=mroute_do_assert;
- if(copy_to_user(optval,&val,olr))
+ if (copy_to_user(optval,&val,olr))
return -EFAULT;
return 0;
}
@@ -1023,48 +1021,47 @@ int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg)
struct vif_device *vif;
struct mfc_cache *c;
- switch(cmd)
- {
- case SIOCGETVIFCNT:
- if (copy_from_user(&vr,arg,sizeof(vr)))
- return -EFAULT;
- if(vr.vifi>=maxvif)
- return -EINVAL;
- read_lock(&mrt_lock);
- vif=&vif_table[vr.vifi];
- if(VIF_EXISTS(vr.vifi)) {
- vr.icount=vif->pkt_in;
- vr.ocount=vif->pkt_out;
- vr.ibytes=vif->bytes_in;
- vr.obytes=vif->bytes_out;
- read_unlock(&mrt_lock);
-
- if (copy_to_user(arg,&vr,sizeof(vr)))
- return -EFAULT;
- return 0;
- }
+ switch (cmd) {
+ case SIOCGETVIFCNT:
+ if (copy_from_user(&vr,arg,sizeof(vr)))
+ return -EFAULT;
+ if (vr.vifi>=maxvif)
+ return -EINVAL;
+ read_lock(&mrt_lock);
+ vif=&vif_table[vr.vifi];
+ if (VIF_EXISTS(vr.vifi)) {
+ vr.icount=vif->pkt_in;
+ vr.ocount=vif->pkt_out;
+ vr.ibytes=vif->bytes_in;
+ vr.obytes=vif->bytes_out;
read_unlock(&mrt_lock);
- return -EADDRNOTAVAIL;
- case SIOCGETSGCNT:
- if (copy_from_user(&sr,arg,sizeof(sr)))
- return -EFAULT;
- read_lock(&mrt_lock);
- c = ipmr_cache_find(sr.src.s_addr, sr.grp.s_addr);
- if (c) {
- sr.pktcnt = c->mfc_un.res.pkt;
- sr.bytecnt = c->mfc_un.res.bytes;
- sr.wrong_if = c->mfc_un.res.wrong_if;
- read_unlock(&mrt_lock);
-
- if (copy_to_user(arg,&sr,sizeof(sr)))
- return -EFAULT;
- return 0;
- }
+ if (copy_to_user(arg,&vr,sizeof(vr)))
+ return -EFAULT;
+ return 0;
+ }
+ read_unlock(&mrt_lock);
+ return -EADDRNOTAVAIL;
+ case SIOCGETSGCNT:
+ if (copy_from_user(&sr,arg,sizeof(sr)))
+ return -EFAULT;
+
+ read_lock(&mrt_lock);
+ c = ipmr_cache_find(sr.src.s_addr, sr.grp.s_addr);
+ if (c) {
+ sr.pktcnt = c->mfc_un.res.pkt;
+ sr.bytecnt = c->mfc_un.res.bytes;
+ sr.wrong_if = c->mfc_un.res.wrong_if;
read_unlock(&mrt_lock);
- return -EADDRNOTAVAIL;
- default:
- return -ENOIOCTLCMD;
+
+ if (copy_to_user(arg,&sr,sizeof(sr)))
+ return -EFAULT;
+ return 0;
+ }
+ read_unlock(&mrt_lock);
+ return -EADDRNOTAVAIL;
+ default:
+ return -ENOIOCTLCMD;
}
}
@@ -1076,7 +1073,7 @@ static int ipmr_device_event(struct notifier_block *this, unsigned long event, v
if (event != NETDEV_UNREGISTER)
return NOTIFY_DONE;
v=&vif_table[0];
- for(ct=0;ct<maxvif;ct++,v++) {
+ for (ct=0;ct<maxvif;ct++,v++) {
if (v->dev==ptr)
vif_delete(ct);
}
@@ -1625,7 +1622,7 @@ static struct vif_device *ipmr_vif_seq_idx(struct ipmr_vif_iter *iter,
loff_t pos)
{
for (iter->ct = 0; iter->ct < maxvif; ++iter->ct) {
- if(!VIF_EXISTS(iter->ct))
+ if (!VIF_EXISTS(iter->ct))
continue;
if (pos-- == 0)
return &vif_table[iter->ct];
@@ -1649,7 +1646,7 @@ static void *ipmr_vif_seq_next(struct seq_file *seq, void *v, loff_t *pos)
return ipmr_vif_seq_idx(iter, 0);
while (++iter->ct < maxvif) {
- if(!VIF_EXISTS(iter->ct))
+ if (!VIF_EXISTS(iter->ct))
continue;
return &vif_table[iter->ct];
}
@@ -1732,14 +1729,14 @@ static struct mfc_cache *ipmr_mfc_seq_idx(struct ipmr_mfc_iter *it, loff_t pos)
it->cache = mfc_cache_array;
read_lock(&mrt_lock);
for (it->ct = 0; it->ct < MFC_LINES; it->ct++)
- for(mfc = mfc_cache_array[it->ct]; mfc; mfc = mfc->next)
+ for (mfc = mfc_cache_array[it->ct]; mfc; mfc = mfc->next)
if (pos-- == 0)
return mfc;
read_unlock(&mrt_lock);
it->cache = &mfc_unres_queue;
spin_lock_bh(&mfc_unres_lock);
- for(mfc = mfc_unres_queue; mfc; mfc = mfc->next)
+ for (mfc = mfc_unres_queue; mfc; mfc = mfc->next)
if (pos-- == 0)
return mfc;
spin_unlock_bh(&mfc_unres_lock);
@@ -1829,9 +1826,9 @@ static int ipmr_mfc_seq_show(struct seq_file *seq, void *v)
mfc->mfc_un.res.wrong_if);
if (it->cache != &mfc_unres_queue) {
- for(n = mfc->mfc_un.res.minvif;
- n < mfc->mfc_un.res.maxvif; n++ ) {
- if(VIF_EXISTS(n)
+ for (n = mfc->mfc_un.res.minvif;
+ n < mfc->mfc_un.res.maxvif; n++ ) {
+ if (VIF_EXISTS(n)
&& mfc->mfc_un.res.ttls[n] < 255)
seq_printf(seq,
" %2d:%-3d",