#include <linux/rtnetlink.h>
#include <linux/times.h>
+#include <net/net_namespace.h>
#include <net/arp.h>
#include <net/ip.h>
#include <net/protocol.h>
* contradict to specs provided this delay is small enough.
*/
-#define IGMP_V1_SEEN(in_dev) (ipv4_devconf.force_igmp_version == 1 || \
- (in_dev)->cnf.force_igmp_version == 1 || \
- ((in_dev)->mr_v1_seen && \
- time_before(jiffies, (in_dev)->mr_v1_seen)))
-#define IGMP_V2_SEEN(in_dev) (ipv4_devconf.force_igmp_version == 2 || \
- (in_dev)->cnf.force_igmp_version == 2 || \
- ((in_dev)->mr_v2_seen && \
- time_before(jiffies, (in_dev)->mr_v2_seen)))
+#define IGMP_V1_SEEN(in_dev) \
+ (IPV4_DEVCONF_ALL(in_dev->dev->nd_net, FORCE_IGMP_VERSION) == 1 || \
+ IN_DEV_CONF_GET((in_dev), FORCE_IGMP_VERSION) == 1 || \
+ ((in_dev)->mr_v1_seen && \
+ time_before(jiffies, (in_dev)->mr_v1_seen)))
+#define IGMP_V2_SEEN(in_dev) \
+ (IPV4_DEVCONF_ALL(in_dev->dev->nd_net, FORCE_IGMP_VERSION) == 2 || \
+ IN_DEV_CONF_GET((in_dev), FORCE_IGMP_VERSION) == 2 || \
+ ((in_dev)->mr_v2_seen && \
+ time_before(jiffies, (in_dev)->mr_v2_seen)))
static void igmpv3_add_delrec(struct in_device *in_dev, struct ip_mc_list *im);
static void igmpv3_del_delrec(struct in_device *in_dev, __be32 multiaddr);
.nl_u = { .ip4_u = {
.daddr = IGMPV3_ALL_MCR } },
.proto = IPPROTO_IGMP };
- if (ip_route_output_key(&rt, &fl)) {
+ if (ip_route_output_key(&init_net, &rt, &fl)) {
kfree_skb(skb);
return NULL;
}
skb_reserve(skb, LL_RESERVED_SPACE(dev));
skb_reset_network_header(skb);
- pip = skb->nh.iph;
+ pip = ip_hdr(skb);
skb_put(skb, sizeof(struct iphdr) + 4);
pip->version = 4;
((u8*)&pip[1])[2] = 0;
((u8*)&pip[1])[3] = 0;
- pig =(struct igmpv3_report *)skb_put(skb, sizeof(*pig));
- skb->h.igmph = (struct igmphdr *)pig;
+ skb->transport_header = skb->network_header + sizeof(struct iphdr) + 4;
+ skb_put(skb, sizeof(*pig));
+ pig = igmpv3_report_hdr(skb);
pig->type = IGMPV3_HOST_MEMBERSHIP_REPORT;
pig->resv1 = 0;
pig->csum = 0;
static int igmpv3_sendpack(struct sk_buff *skb)
{
- struct iphdr *pip = skb->nh.iph;
- struct igmphdr *pig = skb->h.igmph;
- int iplen, igmplen;
+ struct igmphdr *pig = igmp_hdr(skb);
+ const int igmplen = skb->tail - skb->transport_header;
- iplen = skb->tail - (unsigned char *)skb->nh.iph;
- pip->tot_len = htons(iplen);
- ip_send_check(pip);
+ pig->csum = ip_compute_csum(igmp_hdr(skb), igmplen);
- igmplen = skb->tail - (unsigned char *)skb->h.igmph;
- pig->csum = ip_compute_csum((void *)skb->h.igmph, igmplen);
-
- return NF_HOOK(PF_INET, NF_IP_LOCAL_OUT, skb, NULL, skb->dev,
- dst_output);
+ return ip_local_out(skb);
}
static int grec_size(struct ip_mc_list *pmc, int type, int gdel, int sdel)
pgr->grec_auxwords = 0;
pgr->grec_nsrcs = 0;
pgr->grec_mca = pmc->multiaddr;
- pih = (struct igmpv3_report *)skb->h.igmph;
+ pih = igmpv3_report_hdr(skb);
pih->ngrec = htons(ntohs(pih->ngrec)+1);
*ppgr = pgr;
return skb;
if (!*psf_list)
goto empty_source;
- pih = skb ? (struct igmpv3_report *)skb->h.igmph : NULL;
+ pih = skb ? igmpv3_report_hdr(skb) : NULL;
/* EX and TO_EX get a fresh packet, if needed */
if (truncate) {
struct flowi fl = { .oif = dev->ifindex,
.nl_u = { .ip4_u = { .daddr = dst } },
.proto = IPPROTO_IGMP };
- if (ip_route_output_key(&rt, &fl))
+ if (ip_route_output_key(&init_net, &rt, &fl))
return -1;
}
if (rt->rt_src == 0) {
skb_reserve(skb, LL_RESERVED_SPACE(dev));
skb_reset_network_header(skb);
- iph = skb->nh.iph;
+ iph = ip_hdr(skb);
skb_put(skb, sizeof(struct iphdr) + 4);
iph->version = 4;
iph->daddr = dst;
iph->saddr = rt->rt_src;
iph->protocol = IPPROTO_IGMP;
- iph->tot_len = htons(IGMP_SIZE);
ip_select_ident(iph, &rt->u.dst, NULL);
((u8*)&iph[1])[0] = IPOPT_RA;
((u8*)&iph[1])[1] = 4;
((u8*)&iph[1])[2] = 0;
((u8*)&iph[1])[3] = 0;
- ip_send_check(iph);
ih = (struct igmphdr *)skb_put(skb, sizeof(struct igmphdr));
ih->type=type;
ih->group=group;
ih->csum=ip_compute_csum((void *)ih, sizeof(struct igmphdr));
- return NF_HOOK(PF_INET, NF_IP_LOCAL_OUT, skb, NULL, rt->u.dst.dev,
- dst_output);
+ return ip_local_out(skb);
}
static void igmp_gq_timer_expire(unsigned long data)
static void igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
int len)
{
- struct igmphdr *ih = skb->h.igmph;
- struct igmpv3_query *ih3 = (struct igmpv3_query *)ih;
+ struct igmphdr *ih = igmp_hdr(skb);
+ struct igmpv3_query *ih3 = igmpv3_query_hdr(skb);
struct ip_mc_list *im;
__be32 group = ih->group;
int max_delay;
if (!pskb_may_pull(skb, sizeof(struct igmpv3_query)))
return;
- ih3 = (struct igmpv3_query *) skb->h.raw;
+ ih3 = igmpv3_query_hdr(skb);
if (ih3->nsrcs) {
if (!pskb_may_pull(skb, sizeof(struct igmpv3_query)
+ ntohs(ih3->nsrcs)*sizeof(__be32)))
return;
- ih3 = (struct igmpv3_query *) skb->h.raw;
+ ih3 = igmpv3_query_hdr(skb);
}
max_delay = IGMPV3_MRC(ih3->code)*(HZ/IGMP_TIMER_SCALE);
struct in_device *in_dev = in_dev_get(skb->dev);
int len = skb->len;
- if (in_dev==NULL) {
- kfree_skb(skb);
- return 0;
- }
+ if (in_dev == NULL)
+ goto drop;
if (!pskb_may_pull(skb, sizeof(struct igmphdr)))
- goto drop;
+ goto drop_ref;
switch (skb->ip_summed) {
case CHECKSUM_COMPLETE:
case CHECKSUM_NONE:
skb->csum = 0;
if (__skb_checksum_complete(skb))
- goto drop;
+ goto drop_ref;
}
- ih = skb->h.igmph;
+ ih = igmp_hdr(skb);
switch (ih->type) {
case IGMP_HOST_MEMBERSHIP_QUERY:
igmp_heard_query(in_dev, skb, len);
case IGMPV2_HOST_MEMBERSHIP_REPORT:
case IGMPV3_HOST_MEMBERSHIP_REPORT:
/* Is it our report looped back? */
- if (((struct rtable*)skb->dst)->fl.iif == 0)
+ if (skb->rtable->fl.iif == 0)
break;
/* don't rely on MC router hearing unicast reports */
if (skb->pkt_type == PACKET_MULTICAST ||
break;
}
-drop:
+drop_ref:
in_dev_put(in_dev);
+drop:
kfree_skb(skb);
return 0;
}
ASSERT_RTNL();
+ if (in_dev->dev->nd_net != &init_net)
+ return;
+
for (im=in_dev->mc_list; im; im=im->next) {
if (im->multiaddr == addr) {
im->users++;
spin_lock_init(&im->lock);
#ifdef CONFIG_IP_MULTICAST
im->tm_running=0;
- init_timer(&im->timer);
- im->timer.data=(unsigned long)im;
- im->timer.function=&igmp_timer_expire;
+ setup_timer(&im->timer, &igmp_timer_expire, (unsigned long)im);
im->unsolicit_count = IGMP_Unsolicited_Report_Count;
im->reporter = 0;
im->gsquery = 0;
ASSERT_RTNL();
+ if (in_dev->dev->nd_net != &init_net)
+ return;
+
for (ip=&in_dev->mc_list; (i=*ip)!=NULL; ip=&i->next) {
if (i->multiaddr==addr) {
if (--i->users == 0) {
ASSERT_RTNL();
+ if (in_dev->dev->nd_net != &init_net)
+ return;
+
for (i=in_dev->mc_list; i; i=i->next)
igmp_group_dropped(i);
{
ASSERT_RTNL();
+ if (in_dev->dev->nd_net != &init_net)
+ return;
+
in_dev->mc_tomb = NULL;
#ifdef CONFIG_IP_MULTICAST
in_dev->mr_gq_running = 0;
- init_timer(&in_dev->mr_gq_timer);
- in_dev->mr_gq_timer.data=(unsigned long) in_dev;
- in_dev->mr_gq_timer.function=&igmp_gq_timer_expire;
+ setup_timer(&in_dev->mr_gq_timer, igmp_gq_timer_expire,
+ (unsigned long)in_dev);
in_dev->mr_ifc_count = 0;
- init_timer(&in_dev->mr_ifc_timer);
- in_dev->mr_ifc_timer.data=(unsigned long) in_dev;
- in_dev->mr_ifc_timer.function=&igmp_ifc_timer_expire;
+ setup_timer(&in_dev->mr_ifc_timer, igmp_ifc_timer_expire,
+ (unsigned long)in_dev);
in_dev->mr_qrv = IGMP_Unsolicited_Report_Count;
#endif
ASSERT_RTNL();
+ if (in_dev->dev->nd_net != &init_net)
+ return;
+
ip_mc_inc_group(in_dev, IGMP_ALL_HOSTS);
for (i=in_dev->mc_list; i; i=i->next)
ASSERT_RTNL();
+ if (in_dev->dev->nd_net != &init_net)
+ return;
+
/* Deactivate timers */
ip_mc_down(in_dev);
struct in_device *idev = NULL;
if (imr->imr_ifindex) {
- idev = inetdev_by_index(imr->imr_ifindex);
+ idev = inetdev_by_index(&init_net, imr->imr_ifindex);
if (idev)
__in_dev_put(idev);
return idev;
}
if (imr->imr_address.s_addr) {
- dev = ip_dev_find(imr->imr_address.s_addr);
+ dev = ip_dev_find(&init_net, imr->imr_address.s_addr);
if (!dev)
return NULL;
dev_put(dev);
}
- if (!dev && !ip_route_output_key(&rt, &fl)) {
+ if (!dev && !ip_route_output_key(&init_net, &rt, &fl)) {
dev = rt->u.dst.dev;
ip_rt_put(rt);
}
(void) ip_mc_del1_src(pmc, sfmode, &psfsrc[i]);
} else if (isexclude != (pmc->sfcount[MCAST_EXCLUDE] != 0)) {
#ifdef CONFIG_IP_MULTICAST
- struct in_device *in_dev = pmc->interface;
struct ip_sf_list *psf;
+ in_dev = pmc->interface;
#endif
/* filter mode change */
int ifindex;
int count = 0;
- if (!MULTICAST(addr))
+ if (!ipv4_is_multicast(addr))
return -EINVAL;
+ if (sk->sk_net != &init_net)
+ return -EPROTONOSUPPORT;
+
rtnl_lock();
in_dev = ip_mc_find_dev(imr);
{
int err;
- if (iml->sflist == 0) {
+ if (iml->sflist == NULL) {
/* any-source empty exclude case */
return ip_mc_del_src(in_dev, &iml->multi.imr_multiaddr.s_addr,
iml->sfmode, 0, NULL, 0);
u32 ifindex;
int ret = -EADDRNOTAVAIL;
+ if (sk->sk_net != &init_net)
+ return -EPROTONOSUPPORT;
+
rtnl_lock();
in_dev = ip_mc_find_dev(imr);
ifindex = imr->imr_ifindex;
int leavegroup = 0;
int i, j, rv;
- if (!MULTICAST(addr))
+ if (!ipv4_is_multicast(addr))
return -EINVAL;
+ if (sk->sk_net != &init_net)
+ return -EPROTONOSUPPORT;
+
rtnl_lock();
imr.imr_multiaddr.s_addr = mreqs->imr_multiaddr;
struct ip_sf_socklist *newpsl, *psl;
int leavegroup = 0;
- if (!MULTICAST(addr))
+ if (!ipv4_is_multicast(addr))
return -EINVAL;
if (msf->imsf_fmode != MCAST_INCLUDE &&
msf->imsf_fmode != MCAST_EXCLUDE)
return -EINVAL;
+ if (sk->sk_net != &init_net)
+ return -EPROTONOSUPPORT;
+
rtnl_lock();
imr.imr_multiaddr.s_addr = msf->imsf_multiaddr;
struct inet_sock *inet = inet_sk(sk);
struct ip_sf_socklist *psl;
- if (!MULTICAST(addr))
+ if (!ipv4_is_multicast(addr))
return -EINVAL;
+ if (sk->sk_net != &init_net)
+ return -EPROTONOSUPPORT;
+
rtnl_lock();
imr.imr_multiaddr.s_addr = msf->imsf_multiaddr;
if (psin->sin_family != AF_INET)
return -EINVAL;
addr = psin->sin_addr.s_addr;
- if (!MULTICAST(addr))
+ if (!ipv4_is_multicast(addr))
return -EINVAL;
+ if (sk->sk_net != &init_net)
+ return -EPROTONOSUPPORT;
+
rtnl_lock();
err = -EADDRNOTAVAIL;
return -EFAULT;
}
for (i=0; i<copycount; i++) {
- struct sockaddr_in *psin;
struct sockaddr_storage ss;
psin = (struct sockaddr_in *)&ss;
struct ip_sf_socklist *psl;
int i;
- if (!MULTICAST(loc_addr))
+ if (!ipv4_is_multicast(loc_addr))
return 1;
for (pmc=inet->mc_list; pmc; pmc=pmc->next) {
if (inet->mc_list == NULL)
return;
+ if (sk->sk_net != &init_net)
+ return;
+
rtnl_lock();
while ((iml = inet->mc_list) != NULL) {
struct in_device *in_dev;
inet->mc_list = iml->next;
- in_dev = inetdev_by_index(iml->multi.imr_ifindex);
+ in_dev = inetdev_by_index(&init_net, iml->multi.imr_ifindex);
(void) ip_mc_leave_src(sk, iml, in_dev);
if (in_dev != NULL) {
ip_mc_dec_group(in_dev, iml->multi.imr_multiaddr.s_addr);
struct ip_mc_list *im = NULL;
struct igmp_mc_iter_state *state = igmp_mc_seq_private(seq);
- for (state->dev = dev_base, state->in_dev = NULL;
- state->dev;
- state->dev = state->dev->next) {
+ state->in_dev = NULL;
+ for_each_netdev(&init_net, state->dev) {
struct in_device *in_dev;
in_dev = in_dev_get(state->dev);
if (!in_dev)
read_unlock(&state->in_dev->mc_list_lock);
in_dev_put(state->in_dev);
}
- state->dev = state->dev->next;
+ state->dev = next_net_device(state->dev);
if (!state->dev) {
state->in_dev = NULL;
break;
}
static void *igmp_mc_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(dev_base_lock)
{
read_lock(&dev_base_lock);
return *pos ? igmp_mc_get_idx(seq, *pos - 1) : SEQ_START_TOKEN;
}
static void igmp_mc_seq_stop(struct seq_file *seq, void *v)
+ __releases(dev_base_lock)
{
struct igmp_mc_iter_state *state = igmp_mc_seq_private(seq);
if (likely(state->in_dev != NULL)) {
return 0;
}
-static struct seq_operations igmp_mc_seq_ops = {
+static const struct seq_operations igmp_mc_seq_ops = {
.start = igmp_mc_seq_start,
.next = igmp_mc_seq_next,
.stop = igmp_mc_seq_stop,
static int igmp_mc_seq_open(struct inode *inode, struct file *file)
{
- struct seq_file *seq;
- int rc = -ENOMEM;
- struct igmp_mc_iter_state *s = kzalloc(sizeof(*s), GFP_KERNEL);
-
- if (!s)
- goto out;
- rc = seq_open(file, &igmp_mc_seq_ops);
- if (rc)
- goto out_kfree;
-
- seq = file->private_data;
- seq->private = s;
-out:
- return rc;
-out_kfree:
- kfree(s);
- goto out;
+ return seq_open_private(file, &igmp_mc_seq_ops,
+ sizeof(struct igmp_mc_iter_state));
}
static const struct file_operations igmp_mc_seq_fops = {
struct ip_mc_list *im = NULL;
struct igmp_mcf_iter_state *state = igmp_mcf_seq_private(seq);
- for (state->dev = dev_base, state->idev = NULL, state->im = NULL;
- state->dev;
- state->dev = state->dev->next) {
+ state->idev = NULL;
+ state->im = NULL;
+ for_each_netdev(&init_net, state->dev) {
struct in_device *idev;
idev = in_dev_get(state->dev);
if (unlikely(idev == NULL))
read_unlock(&state->idev->mc_list_lock);
in_dev_put(state->idev);
}
- state->dev = state->dev->next;
+ state->dev = next_net_device(state->dev);
if (!state->dev) {
state->idev = NULL;
goto out;
return 0;
}
-static struct seq_operations igmp_mcf_seq_ops = {
+static const struct seq_operations igmp_mcf_seq_ops = {
.start = igmp_mcf_seq_start,
.next = igmp_mcf_seq_next,
.stop = igmp_mcf_seq_stop,
static int igmp_mcf_seq_open(struct inode *inode, struct file *file)
{
- struct seq_file *seq;
- int rc = -ENOMEM;
- struct igmp_mcf_iter_state *s = kzalloc(sizeof(*s), GFP_KERNEL);
-
- if (!s)
- goto out;
- rc = seq_open(file, &igmp_mcf_seq_ops);
- if (rc)
- goto out_kfree;
-
- seq = file->private_data;
- seq->private = s;
-out:
- return rc;
-out_kfree:
- kfree(s);
- goto out;
+ return seq_open_private(file, &igmp_mcf_seq_ops,
+ sizeof(struct igmp_mcf_iter_state));
}
static const struct file_operations igmp_mcf_seq_fops = {
int __init igmp_mc_proc_init(void)
{
- proc_net_fops_create("igmp", S_IRUGO, &igmp_mc_seq_fops);
- proc_net_fops_create("mcfilter", S_IRUGO, &igmp_mcf_seq_fops);
+ proc_net_fops_create(&init_net, "igmp", S_IRUGO, &igmp_mc_seq_fops);
+ proc_net_fops_create(&init_net, "mcfilter", S_IRUGO, &igmp_mcf_seq_fops);
return 0;
}
#endif
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff