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net: clean up net/ipv4/ipmr.c
Signed-off-by: Jianjun Kong <jianjun@zeuux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jianjun Kong
David S. Miller
parent
09cb105ea7
commit
c354e12463
130
net/ipv4/ipmr.c
130
net/ipv4/ipmr.c
@ -331,7 +331,7 @@ static void ipmr_destroy_unres(struct mfc_cache *c)
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atomic_dec(&cache_resolve_queue_len);
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while ((skb=skb_dequeue(&c->mfc_un.unres.unresolved))) {
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while ((skb = skb_dequeue(&c->mfc_un.unres.unresolved))) {
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if (ip_hdr(skb)->version == 0) {
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struct nlmsghdr *nlh = (struct nlmsghdr *)skb_pull(skb, sizeof(struct iphdr));
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nlh->nlmsg_type = NLMSG_ERROR;
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@ -477,13 +477,13 @@ static int vif_add(struct vifctl *vifc, int mrtsock)
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/*
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* Fill in the VIF structures
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*/
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v->rate_limit=vifc->vifc_rate_limit;
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v->local=vifc->vifc_lcl_addr.s_addr;
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v->remote=vifc->vifc_rmt_addr.s_addr;
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v->flags=vifc->vifc_flags;
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v->rate_limit = vifc->vifc_rate_limit;
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v->local = vifc->vifc_lcl_addr.s_addr;
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v->remote = vifc->vifc_rmt_addr.s_addr;
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v->flags = vifc->vifc_flags;
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if (!mrtsock)
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v->flags |= VIFF_STATIC;
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v->threshold=vifc->vifc_threshold;
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v->threshold = vifc->vifc_threshold;
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v->bytes_in = 0;
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v->bytes_out = 0;
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v->pkt_in = 0;
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@ -494,7 +494,7 @@ static int vif_add(struct vifctl *vifc, int mrtsock)
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/* And finish update writing critical data */
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write_lock_bh(&mrt_lock);
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v->dev=dev;
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v->dev = dev;
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#ifdef CONFIG_IP_PIMSM
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if (v->flags&VIFF_REGISTER)
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reg_vif_num = vifi;
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@ -507,7 +507,7 @@ static int vif_add(struct vifctl *vifc, int mrtsock)
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static struct mfc_cache *ipmr_cache_find(__be32 origin, __be32 mcastgrp)
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{
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int line=MFC_HASH(mcastgrp,origin);
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int line = MFC_HASH(mcastgrp, origin);
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struct mfc_cache *c;
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for (c=mfc_cache_array[line]; c; c = c->next) {
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@ -522,8 +522,8 @@ static struct mfc_cache *ipmr_cache_find(__be32 origin, __be32 mcastgrp)
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*/
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static struct mfc_cache *ipmr_cache_alloc(void)
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{
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struct mfc_cache *c=kmem_cache_zalloc(mrt_cachep, GFP_KERNEL);
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if (c==NULL)
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struct mfc_cache *c = kmem_cache_zalloc(mrt_cachep, GFP_KERNEL);
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if (c == NULL)
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return NULL;
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c->mfc_un.res.minvif = MAXVIFS;
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return c;
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@ -531,8 +531,8 @@ static struct mfc_cache *ipmr_cache_alloc(void)
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static struct mfc_cache *ipmr_cache_alloc_unres(void)
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{
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struct mfc_cache *c=kmem_cache_zalloc(mrt_cachep, GFP_ATOMIC);
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if (c==NULL)
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struct mfc_cache *c = kmem_cache_zalloc(mrt_cachep, GFP_ATOMIC);
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if (c == NULL)
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return NULL;
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skb_queue_head_init(&c->mfc_un.unres.unresolved);
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c->mfc_un.unres.expires = jiffies + 10*HZ;
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@ -552,7 +552,7 @@ static void ipmr_cache_resolve(struct mfc_cache *uc, struct mfc_cache *c)
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* Play the pending entries through our router
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*/
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while ((skb=__skb_dequeue(&uc->mfc_un.unres.unresolved))) {
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while ((skb = __skb_dequeue(&uc->mfc_un.unres.unresolved))) {
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if (ip_hdr(skb)->version == 0) {
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struct nlmsghdr *nlh = (struct nlmsghdr *)skb_pull(skb, sizeof(struct iphdr));
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@ -637,7 +637,7 @@ static int ipmr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert)
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* Add our header
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*/
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igmp=(struct igmphdr *)skb_put(skb,sizeof(struct igmphdr));
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igmp=(struct igmphdr *)skb_put(skb, sizeof(struct igmphdr));
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igmp->type =
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msg->im_msgtype = assert;
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igmp->code = 0;
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@ -653,7 +653,7 @@ static int ipmr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert)
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/*
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* Deliver to mrouted
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*/
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if ((ret=sock_queue_rcv_skb(mroute_socket,skb))<0) {
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if ((ret = sock_queue_rcv_skb(mroute_socket, skb))<0) {
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if (net_ratelimit())
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printk(KERN_WARNING "mroute: pending queue full, dropping entries.\n");
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kfree_skb(skb);
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@ -685,7 +685,7 @@ ipmr_cache_unresolved(vifi_t vifi, struct sk_buff *skb)
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* Create a new entry if allowable
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*/
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if (atomic_read(&cache_resolve_queue_len)>=10 ||
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if (atomic_read(&cache_resolve_queue_len) >= 10 ||
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(c=ipmr_cache_alloc_unres())==NULL) {
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spin_unlock_bh(&mfc_unres_lock);
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@ -728,7 +728,7 @@ ipmr_cache_unresolved(vifi_t vifi, struct sk_buff *skb)
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kfree_skb(skb);
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err = -ENOBUFS;
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} else {
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skb_queue_tail(&c->mfc_un.unres.unresolved,skb);
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skb_queue_tail(&c->mfc_un.unres.unresolved, skb);
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err = 0;
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}
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@ -745,7 +745,7 @@ static int ipmr_mfc_delete(struct mfcctl *mfc)
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int line;
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struct mfc_cache *c, **cp;
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line=MFC_HASH(mfc->mfcc_mcastgrp.s_addr, mfc->mfcc_origin.s_addr);
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line = MFC_HASH(mfc->mfcc_mcastgrp.s_addr, mfc->mfcc_origin.s_addr);
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for (cp=&mfc_cache_array[line]; (c=*cp) != NULL; cp = &c->next) {
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if (c->mfc_origin == mfc->mfcc_origin.s_addr &&
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@ -766,7 +766,7 @@ static int ipmr_mfc_add(struct mfcctl *mfc, int mrtsock)
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int line;
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struct mfc_cache *uc, *c, **cp;
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line=MFC_HASH(mfc->mfcc_mcastgrp.s_addr, mfc->mfcc_origin.s_addr);
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line = MFC_HASH(mfc->mfcc_mcastgrp.s_addr, mfc->mfcc_origin.s_addr);
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for (cp=&mfc_cache_array[line]; (c=*cp) != NULL; cp = &c->next) {
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if (c->mfc_origin == mfc->mfcc_origin.s_addr &&
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@ -787,13 +787,13 @@ static int ipmr_mfc_add(struct mfcctl *mfc, int mrtsock)
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if (!ipv4_is_multicast(mfc->mfcc_mcastgrp.s_addr))
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return -EINVAL;
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c=ipmr_cache_alloc();
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if (c==NULL)
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c = ipmr_cache_alloc();
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if (c == NULL)
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return -ENOMEM;
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c->mfc_origin=mfc->mfcc_origin.s_addr;
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c->mfc_mcastgrp=mfc->mfcc_mcastgrp.s_addr;
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c->mfc_parent=mfc->mfcc_parent;
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c->mfc_origin = mfc->mfcc_origin.s_addr;
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c->mfc_mcastgrp = mfc->mfcc_mcastgrp.s_addr;
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c->mfc_parent = mfc->mfcc_parent;
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ipmr_update_thresholds(c, mfc->mfcc_ttls);
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if (!mrtsock)
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c->mfc_flags |= MFC_STATIC;
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@ -846,7 +846,7 @@ static void mroute_clean_tables(struct sock *sk)
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/*
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* Wipe the cache
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*/
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for (i=0;i<MFC_LINES;i++) {
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for (i=0; i<MFC_LINES; i++) {
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struct mfc_cache *c, **cp;
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cp = &mfc_cache_array[i];
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@ -887,7 +887,7 @@ static void mrtsock_destruct(struct sock *sk)
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IPV4_DEVCONF_ALL(sock_net(sk), MC_FORWARDING)--;
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write_lock_bh(&mrt_lock);
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mroute_socket=NULL;
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mroute_socket = NULL;
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write_unlock_bh(&mrt_lock);
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mroute_clean_tables(sk);
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@ -902,7 +902,7 @@ static void mrtsock_destruct(struct sock *sk)
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* MOSPF/PIM router set up we can clean this up.
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*/
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int ip_mroute_setsockopt(struct sock *sk,int optname,char __user *optval,int optlen)
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int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, int optlen)
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{
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int ret;
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struct vifctl vif;
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@ -918,7 +918,7 @@ int ip_mroute_setsockopt(struct sock *sk,int optname,char __user *optval,int opt
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if (sk->sk_type != SOCK_RAW ||
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inet_sk(sk)->num != IPPROTO_IGMP)
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return -EOPNOTSUPP;
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if (optlen!=sizeof(int))
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if (optlen != sizeof(int))
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return -ENOPROTOOPT;
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rtnl_lock();
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@ -930,7 +930,7 @@ int ip_mroute_setsockopt(struct sock *sk,int optname,char __user *optval,int opt
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ret = ip_ra_control(sk, 1, mrtsock_destruct);
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if (ret == 0) {
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write_lock_bh(&mrt_lock);
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mroute_socket=sk;
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mroute_socket = sk;
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write_unlock_bh(&mrt_lock);
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IPV4_DEVCONF_ALL(sock_net(sk), MC_FORWARDING)++;
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@ -938,19 +938,19 @@ int ip_mroute_setsockopt(struct sock *sk,int optname,char __user *optval,int opt
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rtnl_unlock();
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return ret;
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case MRT_DONE:
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if (sk!=mroute_socket)
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if (sk != mroute_socket)
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return -EACCES;
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return ip_ra_control(sk, 0, NULL);
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case MRT_ADD_VIF:
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case MRT_DEL_VIF:
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if (optlen!=sizeof(vif))
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if (optlen != sizeof(vif))
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return -EINVAL;
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if (copy_from_user(&vif,optval,sizeof(vif)))
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if (copy_from_user(&vif, optval, sizeof(vif)))
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return -EFAULT;
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if (vif.vifc_vifi >= MAXVIFS)
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return -ENFILE;
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rtnl_lock();
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if (optname==MRT_ADD_VIF) {
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if (optname == MRT_ADD_VIF) {
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ret = vif_add(&vif, sk==mroute_socket);
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} else {
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ret = vif_delete(vif.vifc_vifi, 0);
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@ -964,12 +964,12 @@ int ip_mroute_setsockopt(struct sock *sk,int optname,char __user *optval,int opt
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*/
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case MRT_ADD_MFC:
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case MRT_DEL_MFC:
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if (optlen!=sizeof(mfc))
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if (optlen != sizeof(mfc))
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return -EINVAL;
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if (copy_from_user(&mfc,optval, sizeof(mfc)))
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if (copy_from_user(&mfc, optval, sizeof(mfc)))
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return -EFAULT;
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rtnl_lock();
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if (optname==MRT_DEL_MFC)
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if (optname == MRT_DEL_MFC)
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ret = ipmr_mfc_delete(&mfc);
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else
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ret = ipmr_mfc_add(&mfc, sk==mroute_socket);
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@ -1028,12 +1028,12 @@ int ip_mroute_setsockopt(struct sock *sk,int optname,char __user *optval,int opt
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* Getsock opt support for the multicast routing system.
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*/
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int ip_mroute_getsockopt(struct sock *sk,int optname,char __user *optval,int __user *optlen)
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int ip_mroute_getsockopt(struct sock *sk, int optname, char __user *optval, int __user *optlen)
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{
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int olr;
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int val;
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if (optname!=MRT_VERSION &&
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if (optname != MRT_VERSION &&
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#ifdef CONFIG_IP_PIMSM
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optname!=MRT_PIM &&
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#endif
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@ -1047,17 +1047,17 @@ int ip_mroute_getsockopt(struct sock *sk,int optname,char __user *optval,int __u
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if (olr < 0)
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return -EINVAL;
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if (put_user(olr,optlen))
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if (put_user(olr, optlen))
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return -EFAULT;
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if (optname==MRT_VERSION)
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val=0x0305;
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if (optname == MRT_VERSION)
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val = 0x0305;
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#ifdef CONFIG_IP_PIMSM
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else if (optname==MRT_PIM)
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val=mroute_do_pim;
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else if (optname == MRT_PIM)
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val = mroute_do_pim;
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#endif
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else
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val=mroute_do_assert;
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if (copy_to_user(optval,&val,olr))
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val = mroute_do_assert;
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if (copy_to_user(optval, &val, olr))
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return -EFAULT;
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return 0;
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}
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@ -1075,27 +1075,27 @@ int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg)
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switch (cmd) {
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case SIOCGETVIFCNT:
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if (copy_from_user(&vr,arg,sizeof(vr)))
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if (copy_from_user(&vr, arg, sizeof(vr)))
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return -EFAULT;
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if (vr.vifi>=maxvif)
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if (vr.vifi >= maxvif)
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return -EINVAL;
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read_lock(&mrt_lock);
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vif=&vif_table[vr.vifi];
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if (VIF_EXISTS(vr.vifi)) {
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vr.icount=vif->pkt_in;
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vr.ocount=vif->pkt_out;
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vr.ibytes=vif->bytes_in;
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vr.obytes=vif->bytes_out;
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vr.icount = vif->pkt_in;
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vr.ocount = vif->pkt_out;
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vr.ibytes = vif->bytes_in;
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vr.obytes = vif->bytes_out;
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read_unlock(&mrt_lock);
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if (copy_to_user(arg,&vr,sizeof(vr)))
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if (copy_to_user(arg, &vr, sizeof(vr)))
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return -EFAULT;
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return 0;
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}
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read_unlock(&mrt_lock);
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return -EADDRNOTAVAIL;
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case SIOCGETSGCNT:
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if (copy_from_user(&sr,arg,sizeof(sr)))
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if (copy_from_user(&sr, arg, sizeof(sr)))
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return -EFAULT;
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read_lock(&mrt_lock);
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@ -1106,7 +1106,7 @@ int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg)
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sr.wrong_if = c->mfc_un.res.wrong_if;
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read_unlock(&mrt_lock);
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if (copy_to_user(arg,&sr,sizeof(sr)))
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if (copy_to_user(arg, &sr, sizeof(sr)))
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return -EFAULT;
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return 0;
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}
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@ -1130,15 +1130,15 @@ static int ipmr_device_event(struct notifier_block *this, unsigned long event, v
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if (event != NETDEV_UNREGISTER)
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return NOTIFY_DONE;
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v=&vif_table[0];
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for (ct=0;ct<maxvif;ct++,v++) {
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if (v->dev==dev)
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for (ct=0; ct<maxvif; ct++,v++) {
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if (v->dev == dev)
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vif_delete(ct, 1);
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}
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return NOTIFY_DONE;
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}
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static struct notifier_block ip_mr_notifier={
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static struct notifier_block ip_mr_notifier = {
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.notifier_call = ipmr_device_event,
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};
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@ -1204,7 +1204,7 @@ static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
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#ifdef CONFIG_IP_PIMSM
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if (vif->flags & VIFF_REGISTER) {
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vif->pkt_out++;
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vif->bytes_out+=skb->len;
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vif->bytes_out += skb->len;
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vif->dev->stats.tx_bytes += skb->len;
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vif->dev->stats.tx_packets++;
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ipmr_cache_report(skb, vifi, IGMPMSG_WHOLEPKT);
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@ -1254,7 +1254,7 @@ static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
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}
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vif->pkt_out++;
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vif->bytes_out+=skb->len;
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vif->bytes_out += skb->len;
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dst_release(skb->dst);
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skb->dst = &rt->u.dst;
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@ -1352,7 +1352,7 @@ static int ip_mr_forward(struct sk_buff *skb, struct mfc_cache *cache, int local
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}
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vif_table[vif].pkt_in++;
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vif_table[vif].bytes_in+=skb->len;
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vif_table[vif].bytes_in += skb->len;
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/*
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* Forward the frame
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@ -1364,7 +1364,7 @@ static int ip_mr_forward(struct sk_buff *skb, struct mfc_cache *cache, int local
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if (skb2)
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ipmr_queue_xmit(skb2, cache, psend);
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}
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psend=ct;
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psend = ct;
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}
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}
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if (psend != -1) {
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@ -1428,7 +1428,7 @@ int ip_mr_input(struct sk_buff *skb)
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/*
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* No usable cache entry
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*/
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if (cache==NULL) {
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if (cache == NULL) {
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int vif;
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if (local) {
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@ -1602,13 +1602,13 @@ ipmr_fill_mroute(struct sk_buff *skb, struct mfc_cache *c, struct rtmsg *rtm)
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if (dev)
|
||||
RTA_PUT(skb, RTA_IIF, 4, &dev->ifindex);
|
||||
|
||||
mp_head = (struct rtattr*)skb_put(skb, RTA_LENGTH(0));
|
||||
mp_head = (struct rtattr *)skb_put(skb, RTA_LENGTH(0));
|
||||
|
||||
for (ct = c->mfc_un.res.minvif; ct < c->mfc_un.res.maxvif; ct++) {
|
||||
if (c->mfc_un.res.ttls[ct] < 255) {
|
||||
if (skb_tailroom(skb) < RTA_ALIGN(RTA_ALIGN(sizeof(*nhp)) + 4))
|
||||
goto rtattr_failure;
|
||||
nhp = (struct rtnexthop*)skb_put(skb, RTA_ALIGN(sizeof(*nhp)));
|
||||
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 = vif_table[ct].dev->ifindex;
|
||||
@ -1634,7 +1634,7 @@ int ipmr_get_route(struct sk_buff *skb, struct rtmsg *rtm, int nowait)
|
||||
read_lock(&mrt_lock);
|
||||
cache = ipmr_cache_find(rt->rt_src, rt->rt_dst);
|
||||
|
||||
if (cache==NULL) {
|
||||
if (cache == NULL) {
|
||||
struct sk_buff *skb2;
|
||||
struct iphdr *iph;
|
||||
struct net_device *dev;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user