static struct kmem_cache *mrt_cachep __read_mostly;
static int ip_mr_forward(struct sk_buff *skb, struct mfc_cache *cache, int local);
-static int ipmr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert);
+static int ipmr_cache_report(struct net *net,
+ struct sk_buff *pkt, vifi_t vifi, int assert);
static int ipmr_fill_mroute(struct sk_buff *skb, struct mfc_cache *c, struct rtmsg *rtm);
-#ifdef CONFIG_IP_PIMSM_V2
-static struct net_protocol pim_protocol;
-#endif
-
static struct timer_list ipmr_expire_timer;
/* Service routines creating virtual interfaces: DVMRP tunnels and PIMREG */
static void ipmr_del_tunnel(struct net_device *dev, struct vifctl *v)
{
+ struct net *net = dev_net(dev);
+
dev_close(dev);
- dev = __dev_get_by_name(&init_net, "tunl0");
+ dev = __dev_get_by_name(net, "tunl0");
if (dev) {
const struct net_device_ops *ops = dev->netdev_ops;
struct ifreq ifr;
}
static
-struct net_device *ipmr_new_tunnel(struct vifctl *v)
+struct net_device *ipmr_new_tunnel(struct net *net, struct vifctl *v)
{
struct net_device *dev;
- dev = __dev_get_by_name(&init_net, "tunl0");
+ dev = __dev_get_by_name(net, "tunl0");
if (dev) {
const struct net_device_ops *ops = dev->netdev_ops;
dev = NULL;
- if (err == 0 && (dev = __dev_get_by_name(&init_net, p.name)) != NULL) {
+ if (err == 0 &&
+ (dev = __dev_get_by_name(net, p.name)) != NULL) {
dev->flags |= IFF_MULTICAST;
in_dev = __in_dev_get_rtnl(dev);
#ifdef CONFIG_IP_PIMSM
-static int reg_vif_num = -1;
-
-static int reg_vif_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t reg_vif_xmit(struct sk_buff *skb, struct net_device *dev)
{
+ struct net *net = dev_net(dev);
+
read_lock(&mrt_lock);
dev->stats.tx_bytes += skb->len;
dev->stats.tx_packets++;
- ipmr_cache_report(skb, reg_vif_num, IGMPMSG_WHOLEPKT);
+ ipmr_cache_report(net, skb, net->ipv4.mroute_reg_vif_num,
+ IGMPMSG_WHOLEPKT);
read_unlock(&mrt_lock);
kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
static const struct net_device_ops reg_vif_netdev_ops = {
dev->flags = IFF_NOARP;
dev->netdev_ops = ®_vif_netdev_ops,
dev->destructor = free_netdev;
+ dev->features |= NETIF_F_NETNS_LOCAL;
}
-static struct net_device *ipmr_reg_vif(void)
+static struct net_device *ipmr_reg_vif(struct net *net)
{
struct net_device *dev;
struct in_device *in_dev;
if (dev == NULL)
return NULL;
+ dev_net_set(dev, net);
+
if (register_netdevice(dev)) {
free_netdev(dev);
return NULL;
* @notify: Set to 1, if the caller is a notifier_call
*/
-static int vif_delete(int vifi, int notify)
+static int vif_delete(struct net *net, int vifi, int notify,
+ struct list_head *head)
{
struct vif_device *v;
struct net_device *dev;
struct in_device *in_dev;
- if (vifi < 0 || vifi >= init_net.ipv4.maxvif)
+ if (vifi < 0 || vifi >= net->ipv4.maxvif)
return -EADDRNOTAVAIL;
- v = &init_net.ipv4.vif_table[vifi];
+ v = &net->ipv4.vif_table[vifi];
write_lock_bh(&mrt_lock);
dev = v->dev;
}
#ifdef CONFIG_IP_PIMSM
- if (vifi == reg_vif_num)
- reg_vif_num = -1;
+ if (vifi == net->ipv4.mroute_reg_vif_num)
+ net->ipv4.mroute_reg_vif_num = -1;
#endif
- if (vifi+1 == init_net.ipv4.maxvif) {
+ if (vifi+1 == net->ipv4.maxvif) {
int tmp;
for (tmp=vifi-1; tmp>=0; tmp--) {
- if (VIF_EXISTS(&init_net, tmp))
+ if (VIF_EXISTS(net, tmp))
break;
}
- init_net.ipv4.maxvif = tmp+1;
+ net->ipv4.maxvif = tmp+1;
}
write_unlock_bh(&mrt_lock);
}
if (v->flags&(VIFF_TUNNEL|VIFF_REGISTER) && !notify)
- unregister_netdevice(dev);
+ unregister_netdevice_queue(dev, head);
dev_put(dev);
return 0;
{
struct sk_buff *skb;
struct nlmsgerr *e;
+ struct net *net = mfc_net(c);
- atomic_dec(&init_net.ipv4.cache_resolve_queue_len);
+ atomic_dec(&net->ipv4.cache_resolve_queue_len);
while ((skb = skb_dequeue(&c->mfc_un.unres.unresolved))) {
if (ip_hdr(skb)->version == 0) {
e->error = -ETIMEDOUT;
memset(&e->msg, 0, sizeof(e->msg));
- rtnl_unicast(skb, &init_net, NETLINK_CB(skb).pid);
+ rtnl_unicast(skb, net, NETLINK_CB(skb).pid);
} else
kfree_skb(skb);
}
static void ipmr_update_thresholds(struct mfc_cache *cache, unsigned char *ttls)
{
int vifi;
+ struct net *net = mfc_net(cache);
cache->mfc_un.res.minvif = MAXVIFS;
cache->mfc_un.res.maxvif = 0;
memset(cache->mfc_un.res.ttls, 255, MAXVIFS);
- for (vifi = 0; vifi < init_net.ipv4.maxvif; vifi++) {
- if (VIF_EXISTS(&init_net, vifi) &&
+ for (vifi = 0; vifi < net->ipv4.maxvif; vifi++) {
+ if (VIF_EXISTS(net, vifi) &&
ttls[vifi] && ttls[vifi] < 255) {
cache->mfc_un.res.ttls[vifi] = ttls[vifi];
if (cache->mfc_un.res.minvif > vifi)
}
}
-static int vif_add(struct vifctl *vifc, int mrtsock)
+static int vif_add(struct net *net, struct vifctl *vifc, int mrtsock)
{
int vifi = vifc->vifc_vifi;
- struct vif_device *v = &init_net.ipv4.vif_table[vifi];
+ struct vif_device *v = &net->ipv4.vif_table[vifi];
struct net_device *dev;
struct in_device *in_dev;
int err;
/* Is vif busy ? */
- if (VIF_EXISTS(&init_net, vifi))
+ if (VIF_EXISTS(net, vifi))
return -EADDRINUSE;
switch (vifc->vifc_flags) {
* Special Purpose VIF in PIM
* All the packets will be sent to the daemon
*/
- if (reg_vif_num >= 0)
+ if (net->ipv4.mroute_reg_vif_num >= 0)
return -EADDRINUSE;
- dev = ipmr_reg_vif();
+ dev = ipmr_reg_vif(net);
if (!dev)
return -ENOBUFS;
err = dev_set_allmulti(dev, 1);
break;
#endif
case VIFF_TUNNEL:
- dev = ipmr_new_tunnel(vifc);
+ dev = ipmr_new_tunnel(net, vifc);
if (!dev)
return -ENOBUFS;
err = dev_set_allmulti(dev, 1);
return err;
}
break;
+
+ case VIFF_USE_IFINDEX:
case 0:
- dev = ip_dev_find(&init_net, vifc->vifc_lcl_addr.s_addr);
+ if (vifc->vifc_flags == VIFF_USE_IFINDEX) {
+ dev = dev_get_by_index(net, vifc->vifc_lcl_ifindex);
+ if (dev && dev->ip_ptr == NULL) {
+ dev_put(dev);
+ return -EADDRNOTAVAIL;
+ }
+ } else
+ dev = ip_dev_find(net, vifc->vifc_lcl_addr.s_addr);
+
if (!dev)
return -EADDRNOTAVAIL;
err = dev_set_allmulti(dev, 1);
return -EINVAL;
}
- if ((in_dev = __in_dev_get_rtnl(dev)) == NULL)
+ if ((in_dev = __in_dev_get_rtnl(dev)) == NULL) {
+ dev_put(dev);
return -EADDRNOTAVAIL;
+ }
IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)++;
ip_rt_multicast_event(in_dev);
v->dev = dev;
#ifdef CONFIG_IP_PIMSM
if (v->flags&VIFF_REGISTER)
- reg_vif_num = vifi;
+ net->ipv4.mroute_reg_vif_num = vifi;
#endif
- if (vifi+1 > init_net.ipv4.maxvif)
- init_net.ipv4.maxvif = vifi+1;
+ if (vifi+1 > net->ipv4.maxvif)
+ net->ipv4.maxvif = vifi+1;
write_unlock_bh(&mrt_lock);
return 0;
}
-static struct mfc_cache *ipmr_cache_find(__be32 origin, __be32 mcastgrp)
+static struct mfc_cache *ipmr_cache_find(struct net *net,
+ __be32 origin,
+ __be32 mcastgrp)
{
int line = MFC_HASH(mcastgrp, origin);
struct mfc_cache *c;
- for (c = init_net.ipv4.mfc_cache_array[line]; c; c = c->next) {
+ for (c = net->ipv4.mfc_cache_array[line]; c; c = c->next) {
if (c->mfc_origin==origin && c->mfc_mcastgrp==mcastgrp)
break;
}
memset(&e->msg, 0, sizeof(e->msg));
}
- rtnl_unicast(skb, &init_net, NETLINK_CB(skb).pid);
+ rtnl_unicast(skb, mfc_net(c), NETLINK_CB(skb).pid);
} else
ip_mr_forward(skb, c, 0);
}
* Called under mrt_lock.
*/
-static int ipmr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert)
+static int ipmr_cache_report(struct net *net,
+ struct sk_buff *pkt, vifi_t vifi, int assert)
{
struct sk_buff *skb;
const int ihl = ip_hdrlen(pkt);
memcpy(msg, skb_network_header(pkt), sizeof(struct iphdr));
msg->im_msgtype = IGMPMSG_WHOLEPKT;
msg->im_mbz = 0;
- msg->im_vif = reg_vif_num;
+ msg->im_vif = net->ipv4.mroute_reg_vif_num;
ip_hdr(skb)->ihl = sizeof(struct iphdr) >> 2;
ip_hdr(skb)->tot_len = htons(ntohs(ip_hdr(pkt)->tot_len) +
sizeof(struct iphdr));
ip_hdr(skb)->protocol = 0; /* Flag to the kernel this is a route add */
msg = (struct igmpmsg *)skb_network_header(skb);
msg->im_vif = vifi;
- skb->dst = dst_clone(pkt->dst);
+ skb_dst_set(skb, dst_clone(skb_dst(pkt)));
/*
* Add our header
skb->transport_header = skb->network_header;
}
- if (init_net.ipv4.mroute_sk == NULL) {
+ if (net->ipv4.mroute_sk == NULL) {
kfree_skb(skb);
return -EINVAL;
}
/*
* Deliver to mrouted
*/
- ret = sock_queue_rcv_skb(init_net.ipv4.mroute_sk, skb);
+ ret = sock_queue_rcv_skb(net->ipv4.mroute_sk, skb);
if (ret < 0) {
if (net_ratelimit())
printk(KERN_WARNING "mroute: pending queue full, dropping entries.\n");
*/
static int
-ipmr_cache_unresolved(vifi_t vifi, struct sk_buff *skb)
+ipmr_cache_unresolved(struct net *net, vifi_t vifi, struct sk_buff *skb)
{
int err;
struct mfc_cache *c;
spin_lock_bh(&mfc_unres_lock);
for (c=mfc_unres_queue; c; c=c->next) {
- if (net_eq(mfc_net(c), &init_net) &&
+ if (net_eq(mfc_net(c), net) &&
c->mfc_mcastgrp == iph->daddr &&
c->mfc_origin == iph->saddr)
break;
* Create a new entry if allowable
*/
- if (atomic_read(&init_net.ipv4.cache_resolve_queue_len) >= 10 ||
- (c = ipmr_cache_alloc_unres(&init_net)) == NULL) {
+ if (atomic_read(&net->ipv4.cache_resolve_queue_len) >= 10 ||
+ (c = ipmr_cache_alloc_unres(net)) == NULL) {
spin_unlock_bh(&mfc_unres_lock);
kfree_skb(skb);
/*
* Reflect first query at mrouted.
*/
- if ((err = ipmr_cache_report(skb, vifi, IGMPMSG_NOCACHE))<0) {
+ err = ipmr_cache_report(net, skb, vifi, IGMPMSG_NOCACHE);
+ if (err < 0) {
/* If the report failed throw the cache entry
out - Brad Parker
*/
return err;
}
- atomic_inc(&init_net.ipv4.cache_resolve_queue_len);
+ atomic_inc(&net->ipv4.cache_resolve_queue_len);
c->next = mfc_unres_queue;
mfc_unres_queue = c;
* MFC cache manipulation by user space mroute daemon
*/
-static int ipmr_mfc_delete(struct mfcctl *mfc)
+static int ipmr_mfc_delete(struct net *net, struct mfcctl *mfc)
{
int line;
struct mfc_cache *c, **cp;
line = MFC_HASH(mfc->mfcc_mcastgrp.s_addr, mfc->mfcc_origin.s_addr);
- for (cp = &init_net.ipv4.mfc_cache_array[line];
+ for (cp = &net->ipv4.mfc_cache_array[line];
(c = *cp) != NULL; cp = &c->next) {
if (c->mfc_origin == mfc->mfcc_origin.s_addr &&
c->mfc_mcastgrp == mfc->mfcc_mcastgrp.s_addr) {
return -ENOENT;
}
-static int ipmr_mfc_add(struct mfcctl *mfc, int mrtsock)
+static int ipmr_mfc_add(struct net *net, struct mfcctl *mfc, int mrtsock)
{
int line;
struct mfc_cache *uc, *c, **cp;
line = MFC_HASH(mfc->mfcc_mcastgrp.s_addr, mfc->mfcc_origin.s_addr);
- for (cp = &init_net.ipv4.mfc_cache_array[line];
+ for (cp = &net->ipv4.mfc_cache_array[line];
(c = *cp) != NULL; cp = &c->next) {
if (c->mfc_origin == mfc->mfcc_origin.s_addr &&
c->mfc_mcastgrp == mfc->mfcc_mcastgrp.s_addr)
if (!ipv4_is_multicast(mfc->mfcc_mcastgrp.s_addr))
return -EINVAL;
- c = ipmr_cache_alloc(&init_net);
+ c = ipmr_cache_alloc(net);
if (c == NULL)
return -ENOMEM;
c->mfc_flags |= MFC_STATIC;
write_lock_bh(&mrt_lock);
- c->next = init_net.ipv4.mfc_cache_array[line];
- init_net.ipv4.mfc_cache_array[line] = c;
+ c->next = net->ipv4.mfc_cache_array[line];
+ net->ipv4.mfc_cache_array[line] = c;
write_unlock_bh(&mrt_lock);
/*
spin_lock_bh(&mfc_unres_lock);
for (cp = &mfc_unres_queue; (uc=*cp) != NULL;
cp = &uc->next) {
- if (net_eq(mfc_net(uc), &init_net) &&
+ if (net_eq(mfc_net(uc), net) &&
uc->mfc_origin == c->mfc_origin &&
uc->mfc_mcastgrp == c->mfc_mcastgrp) {
*cp = uc->next;
- atomic_dec(&init_net.ipv4.cache_resolve_queue_len);
+ atomic_dec(&net->ipv4.cache_resolve_queue_len);
break;
}
}
* Close the multicast socket, and clear the vif tables etc
*/
-static void mroute_clean_tables(struct sock *sk)
+static void mroute_clean_tables(struct net *net)
{
int i;
+ LIST_HEAD(list);
/*
* Shut down all active vif entries
*/
- for (i = 0; i < init_net.ipv4.maxvif; i++) {
- if (!(init_net.ipv4.vif_table[i].flags&VIFF_STATIC))
- vif_delete(i, 0);
+ for (i = 0; i < net->ipv4.maxvif; i++) {
+ if (!(net->ipv4.vif_table[i].flags&VIFF_STATIC))
+ vif_delete(net, i, 0, &list);
}
+ unregister_netdevice_many(&list);
/*
* Wipe the cache
for (i=0; i<MFC_LINES; i++) {
struct mfc_cache *c, **cp;
- cp = &init_net.ipv4.mfc_cache_array[i];
+ cp = &net->ipv4.mfc_cache_array[i];
while ((c = *cp) != NULL) {
if (c->mfc_flags&MFC_STATIC) {
cp = &c->next;
}
}
- if (atomic_read(&init_net.ipv4.cache_resolve_queue_len) != 0) {
+ if (atomic_read(&net->ipv4.cache_resolve_queue_len) != 0) {
struct mfc_cache *c, **cp;
spin_lock_bh(&mfc_unres_lock);
cp = &mfc_unres_queue;
while ((c = *cp) != NULL) {
- if (!net_eq(mfc_net(c), &init_net)) {
+ if (!net_eq(mfc_net(c), net)) {
cp = &c->next;
continue;
}
static void mrtsock_destruct(struct sock *sk)
{
+ struct net *net = sock_net(sk);
+
rtnl_lock();
- if (sk == init_net.ipv4.mroute_sk) {
- IPV4_DEVCONF_ALL(sock_net(sk), MC_FORWARDING)--;
+ if (sk == net->ipv4.mroute_sk) {
+ IPV4_DEVCONF_ALL(net, MC_FORWARDING)--;
write_lock_bh(&mrt_lock);
- init_net.ipv4.mroute_sk = NULL;
+ net->ipv4.mroute_sk = NULL;
write_unlock_bh(&mrt_lock);
- mroute_clean_tables(sk);
+ mroute_clean_tables(net);
}
rtnl_unlock();
}
* 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 ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, unsigned int optlen)
{
int ret;
struct vifctl vif;
struct mfcctl mfc;
+ struct net *net = sock_net(sk);
if (optname != MRT_INIT) {
- if (sk != init_net.ipv4.mroute_sk && !capable(CAP_NET_ADMIN))
+ if (sk != net->ipv4.mroute_sk && !capable(CAP_NET_ADMIN))
return -EACCES;
}
switch (optname) {
case MRT_INIT:
if (sk->sk_type != SOCK_RAW ||
- inet_sk(sk)->num != IPPROTO_IGMP)
+ inet_sk(sk)->inet_num != IPPROTO_IGMP)
return -EOPNOTSUPP;
if (optlen != sizeof(int))
return -ENOPROTOOPT;
rtnl_lock();
- if (init_net.ipv4.mroute_sk) {
+ if (net->ipv4.mroute_sk) {
rtnl_unlock();
return -EADDRINUSE;
}
ret = ip_ra_control(sk, 1, mrtsock_destruct);
if (ret == 0) {
write_lock_bh(&mrt_lock);
- init_net.ipv4.mroute_sk = sk;
+ net->ipv4.mroute_sk = sk;
write_unlock_bh(&mrt_lock);
- IPV4_DEVCONF_ALL(sock_net(sk), MC_FORWARDING)++;
+ IPV4_DEVCONF_ALL(net, MC_FORWARDING)++;
}
rtnl_unlock();
return ret;
case MRT_DONE:
- if (sk != init_net.ipv4.mroute_sk)
+ if (sk != net->ipv4.mroute_sk)
return -EACCES;
return ip_ra_control(sk, 0, NULL);
case MRT_ADD_VIF:
return -ENFILE;
rtnl_lock();
if (optname == MRT_ADD_VIF) {
- ret = vif_add(&vif, sk == init_net.ipv4.mroute_sk);
+ ret = vif_add(net, &vif, sk == net->ipv4.mroute_sk);
} else {
- ret = vif_delete(vif.vifc_vifi, 0);
+ ret = vif_delete(net, vif.vifc_vifi, 0, NULL);
}
rtnl_unlock();
return ret;
return -EFAULT;
rtnl_lock();
if (optname == MRT_DEL_MFC)
- ret = ipmr_mfc_delete(&mfc);
+ ret = ipmr_mfc_delete(net, &mfc);
else
- ret = ipmr_mfc_add(&mfc, sk == init_net.ipv4.mroute_sk);
+ ret = ipmr_mfc_add(net, &mfc, sk == net->ipv4.mroute_sk);
rtnl_unlock();
return ret;
/*
int v;
if (get_user(v,(int __user *)optval))
return -EFAULT;
- init_net.ipv4.mroute_do_assert = (v) ? 1 : 0;
+ net->ipv4.mroute_do_assert = (v) ? 1 : 0;
return 0;
}
#ifdef CONFIG_IP_PIMSM
rtnl_lock();
ret = 0;
- if (v != init_net.ipv4.mroute_do_pim) {
- init_net.ipv4.mroute_do_pim = v;
- init_net.ipv4.mroute_do_assert = v;
-#ifdef CONFIG_IP_PIMSM_V2
- if (init_net.ipv4.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
+ if (v != net->ipv4.mroute_do_pim) {
+ net->ipv4.mroute_do_pim = v;
+ net->ipv4.mroute_do_assert = v;
}
rtnl_unlock();
return ret;
{
int olr;
int val;
+ struct net *net = sock_net(sk);
if (optname != MRT_VERSION &&
#ifdef CONFIG_IP_PIMSM
val = 0x0305;
#ifdef CONFIG_IP_PIMSM
else if (optname == MRT_PIM)
- val = init_net.ipv4.mroute_do_pim;
+ val = net->ipv4.mroute_do_pim;
#endif
else
- val = init_net.ipv4.mroute_do_assert;
+ val = net->ipv4.mroute_do_assert;
if (copy_to_user(optval, &val, olr))
return -EFAULT;
return 0;
struct sioc_vif_req vr;
struct vif_device *vif;
struct mfc_cache *c;
+ struct net *net = sock_net(sk);
switch (cmd) {
case SIOCGETVIFCNT:
if (copy_from_user(&vr, arg, sizeof(vr)))
return -EFAULT;
- if (vr.vifi >= init_net.ipv4.maxvif)
+ if (vr.vifi >= net->ipv4.maxvif)
return -EINVAL;
read_lock(&mrt_lock);
- vif = &init_net.ipv4.vif_table[vr.vifi];
- if (VIF_EXISTS(&init_net, vr.vifi)) {
+ vif = &net->ipv4.vif_table[vr.vifi];
+ if (VIF_EXISTS(net, vr.vifi)) {
vr.icount = vif->pkt_in;
vr.ocount = vif->pkt_out;
vr.ibytes = vif->bytes_in;
return -EFAULT;
read_lock(&mrt_lock);
- c = ipmr_cache_find(sr.src.s_addr, sr.grp.s_addr);
+ c = ipmr_cache_find(net, sr.src.s_addr, sr.grp.s_addr);
if (c) {
sr.pktcnt = c->mfc_un.res.pkt;
sr.bytecnt = c->mfc_un.res.bytes;
static int ipmr_device_event(struct notifier_block *this, unsigned long event, void *ptr)
{
struct net_device *dev = ptr;
+ struct net *net = dev_net(dev);
struct vif_device *v;
int ct;
+ LIST_HEAD(list);
- if (!net_eq(dev_net(dev), &init_net))
+ if (!net_eq(dev_net(dev), net))
return NOTIFY_DONE;
if (event != NETDEV_UNREGISTER)
return NOTIFY_DONE;
- v = &init_net.ipv4.vif_table[0];
- for (ct = 0; ct < init_net.ipv4.maxvif; ct++, v++) {
+ v = &net->ipv4.vif_table[0];
+ for (ct = 0; ct < net->ipv4.maxvif; ct++, v++) {
if (v->dev == dev)
- vif_delete(ct, 1);
+ vif_delete(net, ct, 1, &list);
}
+ unregister_netdevice_many(&list);
return NOTIFY_DONE;
}
iph->protocol = IPPROTO_IPIP;
iph->ihl = 5;
iph->tot_len = htons(skb->len);
- ip_select_ident(iph, skb->dst, NULL);
+ ip_select_ident(iph, skb_dst(skb), NULL);
ip_send_check(iph);
memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
{
struct ip_options * opt = &(IPCB(skb)->opt);
- IP_INC_STATS_BH(dev_net(skb->dst->dev), IPSTATS_MIB_OUTFORWDATAGRAMS);
+ IP_INC_STATS_BH(dev_net(skb_dst(skb)->dev), IPSTATS_MIB_OUTFORWDATAGRAMS);
if (unlikely(opt->optlen))
ip_forward_options(skb);
static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
{
+ struct net *net = mfc_net(c);
const struct iphdr *iph = ip_hdr(skb);
- struct vif_device *vif = &init_net.ipv4.vif_table[vifi];
+ struct vif_device *vif = &net->ipv4.vif_table[vifi];
struct net_device *dev;
struct rtable *rt;
int encap = 0;
vif->bytes_out += skb->len;
vif->dev->stats.tx_bytes += skb->len;
vif->dev->stats.tx_packets++;
- ipmr_cache_report(skb, vifi, IGMPMSG_WHOLEPKT);
- kfree_skb(skb);
- return;
+ ipmr_cache_report(net, skb, vifi, IGMPMSG_WHOLEPKT);
+ goto out_free;
}
#endif
.saddr = vif->local,
.tos = RT_TOS(iph->tos) } },
.proto = IPPROTO_IPIP };
- if (ip_route_output_key(&init_net, &rt, &fl))
+ if (ip_route_output_key(net, &rt, &fl))
goto out_free;
encap = sizeof(struct iphdr);
} else {
{ .daddr = iph->daddr,
.tos = RT_TOS(iph->tos) } },
.proto = IPPROTO_IPIP };
- if (ip_route_output_key(&init_net, &rt, &fl))
+ if (ip_route_output_key(net, &rt, &fl))
goto out_free;
}
vif->pkt_out++;
vif->bytes_out += skb->len;
- dst_release(skb->dst);
- skb->dst = &rt->u.dst;
+ skb_dst_drop(skb);
+ skb_dst_set(skb, &rt->u.dst);
ip_decrease_ttl(ip_hdr(skb));
/* FIXME: forward and output firewalls used to be called here.
static int ipmr_find_vif(struct net_device *dev)
{
+ struct net *net = dev_net(dev);
int ct;
- for (ct = init_net.ipv4.maxvif-1; ct >= 0; ct--) {
- if (init_net.ipv4.vif_table[ct].dev == dev)
+ for (ct = net->ipv4.maxvif-1; ct >= 0; ct--) {
+ if (net->ipv4.vif_table[ct].dev == dev)
break;
}
return ct;
{
int psend = -1;
int vif, ct;
+ struct net *net = mfc_net(cache);
vif = cache->mfc_parent;
cache->mfc_un.res.pkt++;
/*
* Wrong interface: drop packet and (maybe) send PIM assert.
*/
- if (init_net.ipv4.vif_table[vif].dev != skb->dev) {
+ if (net->ipv4.vif_table[vif].dev != skb->dev) {
int true_vifi;
- if (skb->rtable->fl.iif == 0) {
+ if (skb_rtable(skb)->fl.iif == 0) {
/* It is our own packet, looped back.
Very complicated situation...
cache->mfc_un.res.wrong_if++;
true_vifi = ipmr_find_vif(skb->dev);
- if (true_vifi >= 0 && init_net.ipv4.mroute_do_assert &&
+ if (true_vifi >= 0 && net->ipv4.mroute_do_assert &&
/* pimsm uses asserts, when switching from RPT to SPT,
so that we cannot check that packet arrived on an oif.
It is bad, but otherwise we would need to move pretty
large chunk of pimd to kernel. Ough... --ANK
*/
- (init_net.ipv4.mroute_do_pim ||
+ (net->ipv4.mroute_do_pim ||
cache->mfc_un.res.ttls[true_vifi] < 255) &&
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);
+ ipmr_cache_report(net, skb, true_vifi, IGMPMSG_WRONGVIF);
}
goto dont_forward;
}
- init_net.ipv4.vif_table[vif].pkt_in++;
- init_net.ipv4.vif_table[vif].bytes_in += skb->len;
+ net->ipv4.vif_table[vif].pkt_in++;
+ net->ipv4.vif_table[vif].bytes_in += skb->len;
/*
* Forward the frame
int ip_mr_input(struct sk_buff *skb)
{
struct mfc_cache *cache;
- int local = skb->rtable->rt_flags&RTCF_LOCAL;
+ struct net *net = dev_net(skb->dev);
+ int local = skb_rtable(skb)->rt_flags & RTCF_LOCAL;
/* Packet is looped back after forward, it should not be
forwarded second time, but still can be delivered locally.
that we can forward NO IGMP messages.
*/
read_lock(&mrt_lock);
- if (init_net.ipv4.mroute_sk) {
+ if (net->ipv4.mroute_sk) {
nf_reset(skb);
- raw_rcv(init_net.ipv4.mroute_sk, skb);
+ raw_rcv(net->ipv4.mroute_sk, skb);
read_unlock(&mrt_lock);
return 0;
}
}
read_lock(&mrt_lock);
- cache = ipmr_cache_find(ip_hdr(skb)->saddr, ip_hdr(skb)->daddr);
+ cache = ipmr_cache_find(net, ip_hdr(skb)->saddr, ip_hdr(skb)->daddr);
/*
* No usable cache entry
vif = ipmr_find_vif(skb->dev);
if (vif >= 0) {
- int err = ipmr_cache_unresolved(vif, skb);
+ int err = ipmr_cache_unresolved(net, vif, skb);
read_unlock(&mrt_lock);
return err;
{
struct net_device *reg_dev = NULL;
struct iphdr *encap;
+ struct net *net = dev_net(skb->dev);
encap = (struct iphdr *)(skb_transport_header(skb) + pimlen);
/*
return 1;
read_lock(&mrt_lock);
- if (reg_vif_num >= 0)
- reg_dev = init_net.ipv4.vif_table[reg_vif_num].dev;
+ if (net->ipv4.mroute_reg_vif_num >= 0)
+ reg_dev = net->ipv4.vif_table[net->ipv4.mroute_reg_vif_num].dev;
if (reg_dev)
dev_hold(reg_dev);
read_unlock(&mrt_lock);
skb->protocol = htons(ETH_P_IP);
skb->ip_summed = 0;
skb->pkt_type = PACKET_HOST;
- dst_release(skb->dst);
- skb->dst = NULL;
+ skb_dst_drop(skb);
reg_dev->stats.rx_bytes += skb->len;
reg_dev->stats.rx_packets++;
nf_reset(skb);
int pim_rcv_v1(struct sk_buff * skb)
{
struct igmphdr *pim;
+ struct net *net = dev_net(skb->dev);
if (!pskb_may_pull(skb, sizeof(*pim) + sizeof(struct iphdr)))
goto drop;
pim = igmp_hdr(skb);
- if (!init_net.ipv4.mroute_do_pim ||
+ if (!net->ipv4.mroute_do_pim ||
pim->group != PIM_V1_VERSION || pim->code != PIM_V1_REGISTER)
goto drop;
{
int ct;
struct rtnexthop *nhp;
- struct net_device *dev = init_net.ipv4.vif_table[c->mfc_parent].dev;
+ struct net *net = mfc_net(c);
+ struct net_device *dev = net->ipv4.vif_table[c->mfc_parent].dev;
u8 *b = skb_tail_pointer(skb);
struct rtattr *mp_head;
nhp = (struct rtnexthop *)skb_put(skb, RTA_ALIGN(sizeof(*nhp)));
nhp->rtnh_flags = 0;
nhp->rtnh_hops = c->mfc_un.res.ttls[ct];
- nhp->rtnh_ifindex = init_net.ipv4.vif_table[ct].dev->ifindex;
+ nhp->rtnh_ifindex = net->ipv4.vif_table[ct].dev->ifindex;
nhp->rtnh_len = sizeof(*nhp);
}
}
return -EMSGSIZE;
}
-int ipmr_get_route(struct sk_buff *skb, struct rtmsg *rtm, int nowait)
+int ipmr_get_route(struct net *net,
+ struct sk_buff *skb, struct rtmsg *rtm, int nowait)
{
int err;
struct mfc_cache *cache;
- struct rtable *rt = skb->rtable;
+ struct rtable *rt = skb_rtable(skb);
read_lock(&mrt_lock);
- cache = ipmr_cache_find(rt->rt_src, rt->rt_dst);
+ cache = ipmr_cache_find(net, rt->rt_src, rt->rt_dst);
if (cache == NULL) {
struct sk_buff *skb2;
iph->saddr = rt->rt_src;
iph->daddr = rt->rt_dst;
iph->version = 0;
- err = ipmr_cache_unresolved(vif, skb2);
+ err = ipmr_cache_unresolved(net, vif, skb2);
read_unlock(&mrt_lock);
return err;
}
* The /proc interfaces to multicast routing /proc/ip_mr_cache /proc/ip_mr_vif
*/
struct ipmr_vif_iter {
+ struct seq_net_private p;
int ct;
};
-static struct vif_device *ipmr_vif_seq_idx(struct ipmr_vif_iter *iter,
+static struct vif_device *ipmr_vif_seq_idx(struct net *net,
+ struct ipmr_vif_iter *iter,
loff_t pos)
{
- for (iter->ct = 0; iter->ct < init_net.ipv4.maxvif; ++iter->ct) {
- if (!VIF_EXISTS(&init_net, iter->ct))
+ for (iter->ct = 0; iter->ct < net->ipv4.maxvif; ++iter->ct) {
+ if (!VIF_EXISTS(net, iter->ct))
continue;
if (pos-- == 0)
- return &init_net.ipv4.vif_table[iter->ct];
+ return &net->ipv4.vif_table[iter->ct];
}
return NULL;
}
static void *ipmr_vif_seq_start(struct seq_file *seq, loff_t *pos)
__acquires(mrt_lock)
{
+ struct net *net = seq_file_net(seq);
+
read_lock(&mrt_lock);
- return *pos ? ipmr_vif_seq_idx(seq->private, *pos - 1)
+ return *pos ? ipmr_vif_seq_idx(net, seq->private, *pos - 1)
: SEQ_START_TOKEN;
}
static void *ipmr_vif_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
struct ipmr_vif_iter *iter = seq->private;
+ struct net *net = seq_file_net(seq);
++*pos;
if (v == SEQ_START_TOKEN)
- return ipmr_vif_seq_idx(iter, 0);
+ return ipmr_vif_seq_idx(net, iter, 0);
- while (++iter->ct < init_net.ipv4.maxvif) {
- if (!VIF_EXISTS(&init_net, iter->ct))
+ while (++iter->ct < net->ipv4.maxvif) {
+ if (!VIF_EXISTS(net, iter->ct))
continue;
- return &init_net.ipv4.vif_table[iter->ct];
+ return &net->ipv4.vif_table[iter->ct];
}
return NULL;
}
static int ipmr_vif_seq_show(struct seq_file *seq, void *v)
{
+ struct net *net = seq_file_net(seq);
+
if (v == SEQ_START_TOKEN) {
seq_puts(seq,
"Interface BytesIn PktsIn BytesOut PktsOut Flags Local Remote\n");
seq_printf(seq,
"%2Zd %-10s %8ld %7ld %8ld %7ld %05X %08X %08X\n",
- vif - init_net.ipv4.vif_table,
+ vif - net->ipv4.vif_table,
name, vif->bytes_in, vif->pkt_in,
vif->bytes_out, vif->pkt_out,
vif->flags, vif->local, vif->remote);
static int ipmr_vif_open(struct inode *inode, struct file *file)
{
- return seq_open_private(file, &ipmr_vif_seq_ops,
- sizeof(struct ipmr_vif_iter));
+ return seq_open_net(inode, file, &ipmr_vif_seq_ops,
+ sizeof(struct ipmr_vif_iter));
}
static const struct file_operations ipmr_vif_fops = {
.open = ipmr_vif_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release_private,
+ .release = seq_release_net,
};
struct ipmr_mfc_iter {
+ struct seq_net_private p;
struct mfc_cache **cache;
int ct;
};
-static struct mfc_cache *ipmr_mfc_seq_idx(struct ipmr_mfc_iter *it, loff_t pos)
+static struct mfc_cache *ipmr_mfc_seq_idx(struct net *net,
+ struct ipmr_mfc_iter *it, loff_t pos)
{
struct mfc_cache *mfc;
- it->cache = init_net.ipv4.mfc_cache_array;
+ it->cache = net->ipv4.mfc_cache_array;
read_lock(&mrt_lock);
for (it->ct = 0; it->ct < MFC_LINES; it->ct++)
- for (mfc = init_net.ipv4.mfc_cache_array[it->ct];
+ for (mfc = net->ipv4.mfc_cache_array[it->ct];
mfc; mfc = mfc->next)
if (pos-- == 0)
return mfc;
it->cache = &mfc_unres_queue;
spin_lock_bh(&mfc_unres_lock);
for (mfc = mfc_unres_queue; mfc; mfc = mfc->next)
- if (pos-- == 0)
+ if (net_eq(mfc_net(mfc), net) &&
+ pos-- == 0)
return mfc;
spin_unlock_bh(&mfc_unres_lock);
static void *ipmr_mfc_seq_start(struct seq_file *seq, loff_t *pos)
{
struct ipmr_mfc_iter *it = seq->private;
+ struct net *net = seq_file_net(seq);
+
it->cache = NULL;
it->ct = 0;
- return *pos ? ipmr_mfc_seq_idx(seq->private, *pos - 1)
+ return *pos ? ipmr_mfc_seq_idx(net, seq->private, *pos - 1)
: SEQ_START_TOKEN;
}
{
struct mfc_cache *mfc = v;
struct ipmr_mfc_iter *it = seq->private;
+ struct net *net = seq_file_net(seq);
++*pos;
if (v == SEQ_START_TOKEN)
- return ipmr_mfc_seq_idx(seq->private, 0);
+ return ipmr_mfc_seq_idx(net, seq->private, 0);
if (mfc->next)
return mfc->next;
if (it->cache == &mfc_unres_queue)
goto end_of_list;
- BUG_ON(it->cache != init_net.ipv4.mfc_cache_array);
+ BUG_ON(it->cache != net->ipv4.mfc_cache_array);
while (++it->ct < MFC_LINES) {
- mfc = init_net.ipv4.mfc_cache_array[it->ct];
+ mfc = net->ipv4.mfc_cache_array[it->ct];
if (mfc)
return mfc;
}
spin_lock_bh(&mfc_unres_lock);
mfc = mfc_unres_queue;
+ while (mfc && !net_eq(mfc_net(mfc), net))
+ mfc = mfc->next;
if (mfc)
return mfc;
static void ipmr_mfc_seq_stop(struct seq_file *seq, void *v)
{
struct ipmr_mfc_iter *it = seq->private;
+ struct net *net = seq_file_net(seq);
if (it->cache == &mfc_unres_queue)
spin_unlock_bh(&mfc_unres_lock);
- else if (it->cache == init_net.ipv4.mfc_cache_array)
+ else if (it->cache == net->ipv4.mfc_cache_array)
read_unlock(&mrt_lock);
}
static int ipmr_mfc_seq_show(struct seq_file *seq, void *v)
{
int n;
+ struct net *net = seq_file_net(seq);
if (v == SEQ_START_TOKEN) {
seq_puts(seq,
mfc->mfc_un.res.wrong_if);
for (n = mfc->mfc_un.res.minvif;
n < mfc->mfc_un.res.maxvif; n++ ) {
- if (VIF_EXISTS(&init_net, n) &&
+ if (VIF_EXISTS(net, n) &&
mfc->mfc_un.res.ttls[n] < 255)
seq_printf(seq,
" %2d:%-3d",
static int ipmr_mfc_open(struct inode *inode, struct file *file)
{
- return seq_open_private(file, &ipmr_mfc_seq_ops,
- sizeof(struct ipmr_mfc_iter));
+ return seq_open_net(inode, file, &ipmr_mfc_seq_ops,
+ sizeof(struct ipmr_mfc_iter));
}
static const struct file_operations ipmr_mfc_fops = {
.open = ipmr_mfc_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release_private,
+ .release = seq_release_net,
};
#endif
#ifdef CONFIG_IP_PIMSM_V2
-static struct net_protocol pim_protocol = {
+static const struct net_protocol pim_protocol = {
.handler = pim_rcv,
+ .netns_ok = 1,
};
#endif
err = -ENOMEM;
goto fail_mfc_cache;
}
+
+#ifdef CONFIG_IP_PIMSM
+ net->ipv4.mroute_reg_vif_num = -1;
+#endif
+
+#ifdef CONFIG_PROC_FS
+ err = -ENOMEM;
+ if (!proc_net_fops_create(net, "ip_mr_vif", 0, &ipmr_vif_fops))
+ goto proc_vif_fail;
+ if (!proc_net_fops_create(net, "ip_mr_cache", 0, &ipmr_mfc_fops))
+ goto proc_cache_fail;
+#endif
return 0;
+#ifdef CONFIG_PROC_FS
+proc_cache_fail:
+ proc_net_remove(net, "ip_mr_vif");
+proc_vif_fail:
+ kfree(net->ipv4.mfc_cache_array);
+#endif
fail_mfc_cache:
kfree(net->ipv4.vif_table);
fail:
static void __net_exit ipmr_net_exit(struct net *net)
{
+#ifdef CONFIG_PROC_FS
+ proc_net_remove(net, "ip_mr_cache");
+ proc_net_remove(net, "ip_mr_vif");
+#endif
kfree(net->ipv4.mfc_cache_array);
kfree(net->ipv4.vif_table);
}
err = register_netdevice_notifier(&ip_mr_notifier);
if (err)
goto reg_notif_fail;
-#ifdef CONFIG_PROC_FS
- err = -ENOMEM;
- if (!proc_net_fops_create(&init_net, "ip_mr_vif", 0, &ipmr_vif_fops))
- goto proc_vif_fail;
- if (!proc_net_fops_create(&init_net, "ip_mr_cache", 0, &ipmr_mfc_fops))
- goto proc_cache_fail;
+#ifdef CONFIG_IP_PIMSM_V2
+ if (inet_add_protocol(&pim_protocol, IPPROTO_PIM) < 0) {
+ printk(KERN_ERR "ip_mr_init: can't add PIM protocol\n");
+ err = -EAGAIN;
+ goto add_proto_fail;
+ }
#endif
return 0;
-#ifdef CONFIG_PROC_FS
-proc_cache_fail:
- proc_net_remove(&init_net, "ip_mr_vif");
-proc_vif_fail:
+
+#ifdef CONFIG_IP_PIMSM_V2
+add_proto_fail:
unregister_netdevice_notifier(&ip_mr_notifier);
#endif
reg_notif_fail: