/*
* Delete a VIF entry
*/
-
+
static int vif_delete(int vifi)
{
struct vif_device *v;
return -ENOBUFS;
break;
#endif
- case VIFF_TUNNEL:
+ case VIFF_TUNNEL:
dev = ipmr_new_tunnel(vifc);
if (!dev)
return -ENOBUFS;
/*
* A cache entry has gone into a resolved state from queued
*/
-
+
static void ipmr_cache_resolve(struct mfc_cache *uc, struct mfc_cache *c)
{
struct sk_buff *skb;
*
* Called under mrt_lock.
*/
-
+
static int ipmr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert)
{
struct sk_buff *skb;
memcpy(msg, pkt->nh.raw, sizeof(struct iphdr));
msg->im_msgtype = IGMPMSG_WHOLEPKT;
msg->im_mbz = 0;
- msg->im_vif = reg_vif_num;
+ msg->im_vif = reg_vif_num;
skb->nh.iph->ihl = sizeof(struct iphdr) >> 2;
skb->nh.iph->tot_len = htons(ntohs(pkt->nh.iph->tot_len) + sizeof(struct iphdr));
- } else
+ } else
#endif
- {
-
+ {
+
/*
* Copy the IP header
*/
igmp->code = 0;
skb->nh.iph->tot_len=htons(skb->len); /* Fix the length */
skb->h.raw = skb->nh.raw;
- }
+ }
if (mroute_socket == NULL) {
kfree_skb(skb);
/*
* Queue a packet for resolution. It gets locked cache entry!
*/
-
+
static int
ipmr_cache_unresolved(vifi_t vifi, struct sk_buff *skb)
{
* Reflect first query at mrouted.
*/
if ((err = ipmr_cache_report(skb, vifi, IGMPMSG_NOCACHE))<0) {
- /* If the report failed throw the cache entry
+ /* If the report failed throw the cache entry
out - Brad Parker
*/
spin_unlock_bh(&mfc_unres_lock);
/*
* Close the multicast socket, and clear the vif tables etc
*/
-
+
static void mroute_clean_tables(struct sock *sk)
{
int i;
-
+
/*
* Shut down all active vif entries
*/
* that's how BSD mrouted happens to think. Maybe one day with a proper
* MOSPF/PIM router set up we can clean this up.
*/
-
+
int ip_mroute_setsockopt(struct sock *sk,int optname,char __user *optval,int optlen)
{
int ret;
struct vifctl vif;
struct mfcctl mfc;
-
+
if(optname!=MRT_INIT)
{
if(sk!=mroute_socket && !capable(CAP_NET_ADMIN))
if(optlen!=sizeof(vif))
return -EINVAL;
if (copy_from_user(&vif,optval,sizeof(vif)))
- return -EFAULT;
+ return -EFAULT;
if(vif.vifc_vifi >= MAXVIFS)
return -ENFILE;
rtnl_lock();
/*
* Getsock opt support for the multicast routing system.
*/
-
+
int ip_mroute_getsockopt(struct sock *sk,int optname,char __user *optval,int __user *optlen)
{
int olr;
int val;
- if(optname!=MRT_VERSION &&
+ if(optname!=MRT_VERSION &&
#ifdef CONFIG_IP_PIMSM
optname!=MRT_PIM &&
#endif
olr = min_t(unsigned int, olr, sizeof(int));
if (olr < 0)
return -EINVAL;
-
+
if(put_user(olr,optlen))
return -EFAULT;
if(optname==MRT_VERSION)
/*
* The IP multicast ioctl support routines.
*/
-
+
int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg)
{
struct sioc_sg_req sr;
struct sioc_vif_req vr;
struct vif_device *vif;
struct mfc_cache *c;
-
+
switch(cmd)
{
case SIOCGETVIFCNT:
if (copy_from_user(&vr,arg,sizeof(vr)))
- return -EFAULT;
+ return -EFAULT;
if(vr.vifi>=maxvif)
return -EINVAL;
read_lock(&mrt_lock);
* This avoids tunnel drivers and other mess and gives us the speed so
* important for multicast video.
*/
-
+
static void ip_encap(struct sk_buff *skb, __be32 saddr, __be32 daddr)
{
struct iphdr *iph = (struct iphdr *)skb_push(skb,sizeof(struct iphdr));
encap += LL_RESERVED_SPACE(dev) + rt->u.dst.header_len;
if (skb_cow(skb, encap)) {
- ip_rt_put(rt);
+ ip_rt_put(rt);
goto out_free;
}
* not mrouter) cannot join to more than one interface - it will
* result in receiving multiple packets.
*/
- NF_HOOK(PF_INET, NF_IP_FORWARD, skb, skb->dev, dev,
+ NF_HOOK(PF_INET, NF_IP_FORWARD, skb, skb->dev, dev,
ipmr_forward_finish);
return;
large chunk of pimd to kernel. Ough... --ANK
*/
(mroute_do_pim || cache->mfc_un.res.ttls[true_vifi] < 255) &&
- time_after(jiffies,
+ time_after(jiffies,
cache->mfc_un.res.last_assert + MFC_ASSERT_THRESH)) {
cache->mfc_un.res.last_assert = jiffies;
ipmr_cache_report(skb, true_vifi, IGMPMSG_WRONGVIF);
struct iphdr *encap;
struct net_device *reg_dev = NULL;
- if (!pskb_may_pull(skb, sizeof(*pim) + sizeof(*encap)))
+ if (!pskb_may_pull(skb, sizeof(*pim) + sizeof(*encap)))
goto drop;
pim = (struct igmphdr*)skb->h.raw;
- if (!mroute_do_pim ||
+ if (!mroute_do_pim ||
skb->len < sizeof(*pim) + sizeof(*encap) ||
- pim->group != PIM_V1_VERSION || pim->code != PIM_V1_REGISTER)
+ pim->group != PIM_V1_VERSION || pim->code != PIM_V1_REGISTER)
goto drop;
encap = (struct iphdr*)(skb->h.raw + sizeof(struct igmphdr));
*/
if (!MULTICAST(encap->daddr) ||
encap->tot_len == 0 ||
- ntohs(encap->tot_len) + sizeof(*pim) > skb->len)
+ ntohs(encap->tot_len) + sizeof(*pim) > skb->len)
goto drop;
read_lock(&mrt_lock);
dev_hold(reg_dev);
read_unlock(&mrt_lock);
- if (reg_dev == NULL)
+ if (reg_dev == NULL)
goto drop;
skb->mac.raw = skb->nh.raw;
struct iphdr *encap;
struct net_device *reg_dev = NULL;
- if (!pskb_may_pull(skb, sizeof(*pim) + sizeof(*encap)))
+ if (!pskb_may_pull(skb, sizeof(*pim) + sizeof(*encap)))
goto drop;
pim = (struct pimreghdr*)skb->h.raw;
- if (pim->type != ((PIM_VERSION<<4)|(PIM_REGISTER)) ||
+ if (pim->type != ((PIM_VERSION<<4)|(PIM_REGISTER)) ||
(pim->flags&PIM_NULL_REGISTER) ||
- (ip_compute_csum((void *)pim, sizeof(*pim)) != 0 &&
+ (ip_compute_csum((void *)pim, sizeof(*pim)) != 0 &&
csum_fold(skb_checksum(skb, 0, skb->len, 0))))
goto drop;
encap = (struct iphdr*)(skb->h.raw + sizeof(struct pimreghdr));
if (!MULTICAST(encap->daddr) ||
encap->tot_len == 0 ||
- ntohs(encap->tot_len) + sizeof(*pim) > skb->len)
+ ntohs(encap->tot_len) + sizeof(*pim) > skb->len)
goto drop;
read_lock(&mrt_lock);
dev_hold(reg_dev);
read_unlock(&mrt_lock);
- if (reg_dev == NULL)
+ if (reg_dev == NULL)
goto drop;
skb->mac.raw = skb->nh.raw;
return err;
}
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_PROC_FS
/*
* The /proc interfaces to multicast routing /proc/ip_mr_cache /proc/ip_mr_vif
*/
for (iter->ct = 0; iter->ct < maxvif; ++iter->ct) {
if(!VIF_EXISTS(iter->ct))
continue;
- if (pos-- == 0)
+ if (pos-- == 0)
return &vif_table[iter->ct];
}
return NULL;
static void *ipmr_vif_seq_start(struct seq_file *seq, loff_t *pos)
{
read_lock(&mrt_lock);
- return *pos ? ipmr_vif_seq_idx(seq->private, *pos - 1)
+ return *pos ? ipmr_vif_seq_idx(seq->private, *pos - 1)
: SEQ_START_TOKEN;
}
++*pos;
if (v == SEQ_START_TOKEN)
return ipmr_vif_seq_idx(iter, 0);
-
+
while (++iter->ct < maxvif) {
if(!VIF_EXISTS(iter->ct))
continue;
static int ipmr_vif_seq_show(struct seq_file *seq, void *v)
{
if (v == SEQ_START_TOKEN) {
- seq_puts(seq,
+ seq_puts(seq,
"Interface BytesIn PktsIn BytesOut PktsOut Flags Local Remote\n");
} else {
const struct vif_device *vif = v;
seq_printf(seq,
"%2Zd %-10s %8ld %7ld %8ld %7ld %05X %08X %08X\n",
vif - vif_table,
- name, vif->bytes_in, vif->pkt_in,
+ name, vif->bytes_in, vif->pkt_in,
vif->bytes_out, vif->pkt_out,
vif->flags, vif->local, vif->remote);
}
struct seq_file *seq;
int rc = -ENOMEM;
struct ipmr_vif_iter *s = kmalloc(sizeof(*s), GFP_KERNEL);
-
+
if (!s)
goto out;
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)
- if (pos-- == 0)
+ for (it->ct = 0; it->ct < MFC_LINES; it->ct++)
+ 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);
struct ipmr_mfc_iter *it = seq->private;
it->cache = NULL;
it->ct = 0;
- return *pos ? ipmr_mfc_seq_idx(seq->private, *pos - 1)
+ return *pos ? ipmr_mfc_seq_idx(seq->private, *pos - 1)
: SEQ_START_TOKEN;
}
if (mfc->next)
return mfc->next;
-
- if (it->cache == &mfc_unres_queue)
+
+ if (it->cache == &mfc_unres_queue)
goto end_of_list;
BUG_ON(it->cache != mfc_cache_array);
read_unlock(&mrt_lock);
it->cache = &mfc_unres_queue;
it->ct = 0;
-
+
spin_lock_bh(&mfc_unres_lock);
mfc = mfc_unres_queue;
- if (mfc)
+ if (mfc)
return mfc;
end_of_list:
int n;
if (v == SEQ_START_TOKEN) {
- seq_puts(seq,
+ seq_puts(seq,
"Group Origin Iif Pkts Bytes Wrong Oifs\n");
} else {
const struct mfc_cache *mfc = v;
const struct ipmr_mfc_iter *it = seq->private;
-
+
seq_printf(seq, "%08lX %08lX %-3d %8ld %8ld %8ld",
(unsigned long) mfc->mfc_mcastgrp,
(unsigned long) mfc->mfc_origin,
mfc->mfc_un.res.wrong_if);
if (it->cache != &mfc_unres_queue) {
- for(n = mfc->mfc_un.res.minvif;
+ for(n = mfc->mfc_un.res.minvif;
n < mfc->mfc_un.res.maxvif; n++ ) {
- if(VIF_EXISTS(n)
+ if(VIF_EXISTS(n)
&& mfc->mfc_un.res.ttls[n] < 255)
- seq_printf(seq,
- " %2d:%-3d",
+ seq_printf(seq,
+ " %2d:%-3d",
n, mfc->mfc_un.res.ttls[n]);
}
}
struct seq_file *seq;
int rc = -ENOMEM;
struct ipmr_mfc_iter *s = kmalloc(sizeof(*s), GFP_KERNEL);
-
+
if (!s)
goto out;
.llseek = seq_lseek,
.release = seq_release_private,
};
-#endif
+#endif
#ifdef CONFIG_IP_PIMSM_V2
static struct net_protocol pim_protocol = {
/*
* Setup for IP multicast routing
*/
-
+
void __init ip_mr_init(void)
{
mrt_cachep = kmem_cache_create("ip_mrt_cache",
init_timer(&ipmr_expire_timer);
ipmr_expire_timer.function=ipmr_expire_process;
register_netdevice_notifier(&ip_mr_notifier);
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_PROC_FS
proc_net_fops_create("ip_mr_vif", 0, &ipmr_vif_fops);
proc_net_fops_create("ip_mr_cache", 0, &ipmr_mfc_fops);
-#endif
+#endif
}
projects / linux-drm-fsl-dcu.git / blobdiff