#include <asm/system.h>
#include <asm/uaccess.h>
#include <linux/types.h>
-#include <linux/sched.h>
#include <linux/capability.h>
#include <linux/errno.h>
#include <linux/timer.h>
#include <linux/netfilter_ipv4.h>
#include <net/ipip.h>
#include <net/checksum.h>
+#include <net/netlink.h>
#if defined(CONFIG_IP_PIMSM_V1) || defined(CONFIG_IP_PIMSM_V2)
#define CONFIG_IP_PIMSM 1
dev->flags |= IFF_MULTICAST;
in_dev = __in_dev_get_rtnl(dev);
- if (in_dev == NULL && (in_dev = inetdev_init(dev)) == NULL)
+ if (in_dev == NULL)
goto failure;
- in_dev->cnf.rp_filter = 0;
+
+ ipv4_devconf_setall(in_dev);
+ IPV4_DEVCONF(in_dev->cnf, RP_FILTER) = 0;
if (dev_open(dev))
goto failure;
}
dev->iflink = 0;
- if ((in_dev = inetdev_init(dev)) == NULL)
+ rcu_read_lock();
+ if ((in_dev = __in_dev_get_rcu(dev)) == NULL) {
+ rcu_read_unlock();
goto failure;
+ }
- in_dev->cnf.rp_filter = 0;
+ ipv4_devconf_setall(in_dev);
+ IPV4_DEVCONF(in_dev->cnf, RP_FILTER) = 0;
+ rcu_read_unlock();
if (dev_open(dev))
goto failure;
dev_set_allmulti(dev, -1);
if ((in_dev = __in_dev_get_rtnl(dev)) != NULL) {
- in_dev->cnf.mc_forwarding--;
+ IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)--;
ip_rt_multicast_event(in_dev);
}
atomic_dec(&cache_resolve_queue_len);
- while((skb=skb_dequeue(&c->mfc_un.unres.unresolved))) {
- if (skb->nh.iph->version == 0) {
+ while ((skb=skb_dequeue(&c->mfc_un.unres.unresolved))) {
+ if (ip_hdr(skb)->version == 0) {
struct nlmsghdr *nlh = (struct nlmsghdr *)skb_pull(skb, sizeof(struct iphdr));
nlh->nlmsg_type = NLMSG_ERROR;
nlh->nlmsg_len = NLMSG_LENGTH(sizeof(struct nlmsgerr));
if ((in_dev = __in_dev_get_rtnl(dev)) == NULL)
return -EADDRNOTAVAIL;
- in_dev->cnf.mc_forwarding++;
+ IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)++;
dev_set_allmulti(dev, +1);
ip_rt_multicast_event(in_dev);
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;
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;
* Play the pending entries through our router
*/
- while((skb=__skb_dequeue(&uc->mfc_un.unres.unresolved))) {
- if (skb->nh.iph->version == 0) {
+ while ((skb=__skb_dequeue(&uc->mfc_un.unres.unresolved))) {
+ if (ip_hdr(skb)->version == 0) {
struct nlmsghdr *nlh = (struct nlmsghdr *)skb_pull(skb, sizeof(struct iphdr));
if (ipmr_fill_mroute(skb, c, NLMSG_DATA(nlh)) > 0) {
- nlh->nlmsg_len = skb->tail - (u8*)nlh;
+ nlh->nlmsg_len = (skb_tail_pointer(skb) -
+ (u8 *)nlh);
} else {
nlh->nlmsg_type = NLMSG_ERROR;
nlh->nlmsg_len = NLMSG_LENGTH(sizeof(struct nlmsgerr));
static int ipmr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert)
{
struct sk_buff *skb;
- int ihl = pkt->nh.iph->ihl<<2;
+ const int ihl = ip_hdrlen(pkt);
struct igmphdr *igmp;
struct igmpmsg *msg;
int ret;
#endif
skb = alloc_skb(128, GFP_ATOMIC);
- if(!skb)
+ if (!skb)
return -ENOBUFS;
#ifdef CONFIG_IP_PIMSM
And all this only to mangle msg->im_msgtype and
to set msg->im_mbz to "mbz" :-)
*/
- msg = (struct igmpmsg*)skb_push(skb, sizeof(struct iphdr));
- skb->nh.raw = skb->h.raw = (u8*)msg;
- memcpy(msg, pkt->nh.raw, sizeof(struct iphdr));
+ skb_push(skb, sizeof(struct iphdr));
+ skb_reset_network_header(skb);
+ skb_reset_transport_header(skb);
+ msg = (struct igmpmsg *)skb_network_header(skb);
+ memcpy(msg, skb_network_header(pkt), sizeof(struct iphdr));
msg->im_msgtype = IGMPMSG_WHOLEPKT;
msg->im_mbz = 0;
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));
+ ip_hdr(skb)->ihl = sizeof(struct iphdr) >> 2;
+ ip_hdr(skb)->tot_len = htons(ntohs(ip_hdr(pkt)->tot_len) +
+ sizeof(struct iphdr));
} else
#endif
{
* Copy the IP header
*/
- skb->nh.iph = (struct iphdr *)skb_put(skb, ihl);
- memcpy(skb->data,pkt->data,ihl);
- skb->nh.iph->protocol = 0; /* Flag to the kernel this is a route add */
- msg = (struct igmpmsg*)skb->nh.iph;
+ skb->network_header = skb->tail;
+ skb_put(skb, ihl);
+ skb_copy_to_linear_data(skb, pkt->data, ihl);
+ 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);
igmp->type =
msg->im_msgtype = assert;
igmp->code = 0;
- skb->nh.iph->tot_len=htons(skb->len); /* Fix the length */
- skb->h.raw = skb->nh.raw;
+ ip_hdr(skb)->tot_len = htons(skb->len); /* Fix the length */
+ skb->transport_header = skb->network_header;
}
if (mroute_socket == NULL) {
{
int err;
struct mfc_cache *c;
+ const struct iphdr *iph = ip_hdr(skb);
spin_lock_bh(&mfc_unres_lock);
for (c=mfc_unres_queue; c; c=c->next) {
- if (c->mfc_mcastgrp == skb->nh.iph->daddr &&
- c->mfc_origin == skb->nh.iph->saddr)
+ if (c->mfc_mcastgrp == iph->daddr &&
+ c->mfc_origin == iph->saddr)
break;
}
/*
* Fill in the new cache entry
*/
- c->mfc_parent=-1;
- c->mfc_origin=skb->nh.iph->saddr;
- c->mfc_mcastgrp=skb->nh.iph->daddr;
+ c->mfc_parent = -1;
+ c->mfc_origin = iph->saddr;
+ c->mfc_mcastgrp = iph->daddr;
/*
* Reflect first query at mrouted.
return 0;
}
- if(!MULTICAST(mfc->mfcc_mcastgrp.s_addr))
+ if (!MULTICAST(mfc->mfcc_mcastgrp.s_addr))
return -EINVAL;
c=ipmr_cache_alloc();
/*
* 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);
}
{
rtnl_lock();
if (sk == mroute_socket) {
- ipv4_devconf.mc_forwarding--;
+ IPV4_DEVCONF_ALL(MC_FORWARDING)--;
write_lock_bh(&mrt_lock);
mroute_socket=NULL;
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_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_lock();
+ if (mroute_socket) {
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_ALL(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;
}
}
int olr;
int val;
- if(optname!=MRT_VERSION &&
+ if (optname!=MRT_VERSION &&
#ifdef CONFIG_IP_PIMSM
optname!=MRT_PIM &&
#endif
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;
}
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;
}
}
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);
}
static void ip_encap(struct sk_buff *skb, __be32 saddr, __be32 daddr)
{
- struct iphdr *iph = (struct iphdr *)skb_push(skb,sizeof(struct iphdr));
+ struct iphdr *iph;
+ struct iphdr *old_iph = ip_hdr(skb);
+
+ skb_push(skb, sizeof(struct iphdr));
+ skb->transport_header = skb->network_header;
+ skb_reset_network_header(skb);
+ iph = ip_hdr(skb);
iph->version = 4;
- iph->tos = skb->nh.iph->tos;
- iph->ttl = skb->nh.iph->ttl;
+ iph->tos = old_iph->tos;
+ iph->ttl = old_iph->ttl;
iph->frag_off = 0;
iph->daddr = daddr;
iph->saddr = saddr;
ip_select_ident(iph, skb->dst, NULL);
ip_send_check(iph);
- skb->h.ipiph = skb->nh.iph;
- skb->nh.iph = iph;
memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
nf_reset(skb);
}
static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
{
- struct iphdr *iph = skb->nh.iph;
+ const struct iphdr *iph = ip_hdr(skb);
struct vif_device *vif = &vif_table[vifi];
struct net_device *dev;
struct rtable *rt;
dst_release(skb->dst);
skb->dst = &rt->u.dst;
- iph = skb->nh.iph;
- ip_decrease_ttl(iph);
+ ip_decrease_ttl(ip_hdr(skb));
/* FIXME: forward and output firewalls used to be called here.
* What do we do with netfilter? -- RR */
* Forward the frame
*/
for (ct = cache->mfc_un.res.maxvif-1; ct >= cache->mfc_un.res.minvif; ct--) {
- if (skb->nh.iph->ttl > cache->mfc_un.res.ttls[ct]) {
+ if (ip_hdr(skb)->ttl > cache->mfc_un.res.ttls[ct]) {
if (psend != -1) {
struct sk_buff *skb2 = skb_clone(skb, GFP_ATOMIC);
if (skb2)
if (IPCB(skb)->opt.router_alert) {
if (ip_call_ra_chain(skb))
return 0;
- } else if (skb->nh.iph->protocol == IPPROTO_IGMP){
+ } else if (ip_hdr(skb)->protocol == IPPROTO_IGMP){
/* IGMPv1 (and broken IGMPv2 implementations sort of
Cisco IOS <= 11.2(8)) do not put router alert
option to IGMP packets destined to routable
}
read_lock(&mrt_lock);
- cache = ipmr_cache_find(skb->nh.iph->saddr, skb->nh.iph->daddr);
+ cache = ipmr_cache_find(ip_hdr(skb)->saddr, ip_hdr(skb)->daddr);
/*
* No usable cache entry
if (!pskb_may_pull(skb, sizeof(*pim) + sizeof(*encap)))
goto drop;
- pim = (struct igmphdr*)skb->h.raw;
+ pim = igmp_hdr(skb);
if (!mroute_do_pim ||
skb->len < sizeof(*pim) + sizeof(*encap) ||
pim->group != PIM_V1_VERSION || pim->code != PIM_V1_REGISTER)
goto drop;
- encap = (struct iphdr*)(skb->h.raw + sizeof(struct igmphdr));
+ encap = (struct iphdr *)(skb_transport_header(skb) +
+ sizeof(struct igmphdr));
/*
Check that:
a. packet is really destinted to a multicast group
if (reg_dev == NULL)
goto drop;
- skb->mac.raw = skb->nh.raw;
+ skb->mac_header = skb->network_header;
skb_pull(skb, (u8*)encap - skb->data);
- skb->nh.iph = (struct iphdr *)skb->data;
+ skb_reset_network_header(skb);
skb->dev = reg_dev;
skb->protocol = htons(ETH_P_IP);
skb->ip_summed = 0;
if (!pskb_may_pull(skb, sizeof(*pim) + sizeof(*encap)))
goto drop;
- pim = (struct pimreghdr*)skb->h.raw;
+ pim = (struct pimreghdr *)skb_transport_header(skb);
if (pim->type != ((PIM_VERSION<<4)|(PIM_REGISTER)) ||
(pim->flags&PIM_NULL_REGISTER) ||
(ip_compute_csum((void *)pim, sizeof(*pim)) != 0 &&
goto drop;
/* check if the inner packet is destined to mcast group */
- encap = (struct iphdr*)(skb->h.raw + sizeof(struct pimreghdr));
+ encap = (struct iphdr *)(skb_transport_header(skb) +
+ sizeof(struct pimreghdr));
if (!MULTICAST(encap->daddr) ||
encap->tot_len == 0 ||
ntohs(encap->tot_len) + sizeof(*pim) > skb->len)
if (reg_dev == NULL)
goto drop;
- skb->mac.raw = skb->nh.raw;
+ skb->mac_header = skb->network_header;
skb_pull(skb, (u8*)encap - skb->data);
- skb->nh.iph = (struct iphdr *)skb->data;
+ skb_reset_network_header(skb);
skb->dev = reg_dev;
skb->protocol = htons(ETH_P_IP);
skb->ip_summed = 0;
int ct;
struct rtnexthop *nhp;
struct net_device *dev = vif_table[c->mfc_parent].dev;
- u8 *b = skb->tail;
+ u8 *b = skb_tail_pointer(skb);
struct rtattr *mp_head;
if (dev)
}
}
mp_head->rta_type = RTA_MULTIPATH;
- mp_head->rta_len = skb->tail - (u8*)mp_head;
+ mp_head->rta_len = skb_tail_pointer(skb) - (u8 *)mp_head;
rtm->rtm_type = RTN_MULTICAST;
return 1;
rtattr_failure:
- skb_trim(skb, b - skb->data);
+ nlmsg_trim(skb, b);
return -EMSGSIZE;
}
if (cache==NULL) {
struct sk_buff *skb2;
+ struct iphdr *iph;
struct net_device *dev;
int vif;
return -ENOMEM;
}
- skb2->nh.raw = skb_push(skb2, sizeof(struct iphdr));
- skb2->nh.iph->ihl = sizeof(struct iphdr)>>2;
- skb2->nh.iph->saddr = rt->rt_src;
- skb2->nh.iph->daddr = rt->rt_dst;
- skb2->nh.iph->version = 0;
+ skb_push(skb2, sizeof(struct iphdr));
+ skb_reset_network_header(skb2);
+ iph = ip_hdr(skb2);
+ iph->ihl = sizeof(struct iphdr) >> 2;
+ iph->saddr = rt->rt_src;
+ iph->daddr = rt->rt_dst;
+ iph->version = 0;
err = ipmr_cache_unresolved(vif, skb2);
read_unlock(&mrt_lock);
return err;
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];
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];
}
return 0;
}
-static struct seq_operations ipmr_vif_seq_ops = {
+static const struct seq_operations ipmr_vif_seq_ops = {
.start = ipmr_vif_seq_start,
.next = ipmr_vif_seq_next,
.stop = ipmr_vif_seq_stop,
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);
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",
return 0;
}
-static struct seq_operations ipmr_mfc_seq_ops = {
+static const struct seq_operations ipmr_mfc_seq_ops = {
.start = ipmr_mfc_seq_start,
.next = ipmr_mfc_seq_next,
.stop = ipmr_mfc_seq_stop,
git.samba.org / sfrench / cifs-2.6.git / blobdiff