/*
* RAW sockets for IPv6
- * Linux INET6 implementation
+ * Linux INET6 implementation
*
* Authors:
- * Pedro Roque <roque@di.fc.ul.pt>
+ * Pedro Roque <roque@di.fc.ul.pt>
*
* Adapted from linux/net/ipv4/raw.c
*
*
* Fixes:
* Hideaki YOSHIFUJI : sin6_scope_id support
- * YOSHIFUJI,H.@USAGI : raw checksum (RFC2292(bis) compliance)
+ * YOSHIFUJI,H.@USAGI : raw checksum (RFC2292(bis) compliance)
* Kazunori MIYAZAWA @USAGI: change process style to use ip6_append_data
*
* This program is free software; you can redistribute it and/or
#include <linux/types.h>
#include <linux/socket.h>
#include <linux/sockios.h>
-#include <linux/sched.h>
#include <linux/net.h>
#include <linux/in6.h>
#include <linux/netdevice.h>
write_lock_bh(&raw_v6_lock);
sk_add_node(sk, list);
sock_prot_inc_use(sk->sk_prot);
- write_unlock_bh(&raw_v6_lock);
+ write_unlock_bh(&raw_v6_lock);
}
static void raw_v6_unhash(struct sock *sk)
{
- write_lock_bh(&raw_v6_lock);
+ write_lock_bh(&raw_v6_lock);
if (sk_del_node_init(sk))
sock_prot_dec_use(sk->sk_prot);
write_unlock_bh(&raw_v6_lock);
*/
sk->sk_bound_dev_if = addr->sin6_scope_id;
}
-
+
/* Binding to link-local address requires an interface */
if (!sk->sk_bound_dev_if)
goto out;
goto out;
}
}
-
+
/* ipv4 addr of the socket is invalid. Only the
* unspecified and mapped address have a v4 equivalent.
*/
static inline int rawv6_rcv_skb(struct sock * sk, struct sk_buff * skb)
{
- if ((raw6_sk(sk)->checksum || sk->sk_filter) &&
+ if ((raw6_sk(sk)->checksum || sk->sk_filter) &&
skb_checksum_complete(skb)) {
/* FIXME: increment a raw6 drops counter here */
kfree_skb(skb);
}
/*
- * This is next to useless...
+ * This is next to useless...
* if we demultiplex in network layer we don't need the extra call
- * just to queue the skb...
- * maybe we could have the network decide upon a hint if it
+ * just to queue the skb...
+ * maybe we could have the network decide upon a hint if it
* should call raw_rcv for demultiplexing
*/
int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
struct inet_sock *inet = inet_sk(sk);
struct raw6_sock *rp = raw6_sk(sk);
- if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb)) {
- kfree_skb(skb);
- return NET_RX_DROP;
- }
+ if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb)) {
+ kfree_skb(skb);
+ return NET_RX_DROP;
+ }
if (!rp->checksum)
skb->ip_summed = CHECKSUM_UNNECESSARY;
if (skb->ip_summed == CHECKSUM_COMPLETE) {
skb_postpull_rcsum(skb, skb->nh.raw,
- skb->h.raw - skb->nh.raw);
+ skb->h.raw - skb->nh.raw);
if (!csum_ipv6_magic(&skb->nh.ipv6h->saddr,
&skb->nh.ipv6h->daddr,
skb->len, inet->num, skb->csum))
if (flags & MSG_OOB)
return -EOPNOTSUPP;
-
- if (addr_len)
+
+ if (addr_len)
*addr_len=sizeof(*sin6);
if (flags & MSG_ERRQUEUE)
goto out;
copied = skb->len;
- if (copied > len) {
- copied = len;
- msg->msg_flags |= MSG_TRUNC;
- }
+ if (copied > len) {
+ copied = len;
+ msg->msg_flags |= MSG_TRUNC;
+ }
if (skb->ip_summed==CHECKSUM_UNNECESSARY) {
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
}
static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
- struct flowi *fl, struct rt6_info *rt,
+ struct flowi *fl, struct rt6_info *rt,
unsigned int flags)
{
struct ipv6_pinfo *np = inet6_sk(sk);
skb = sock_alloc_send_skb(sk, length+hh_len+15,
flags&MSG_DONTWAIT, &err);
if (skb == NULL)
- goto error;
+ goto error;
skb_reserve(skb, hh_len);
skb->priority = sk->sk_priority;
kfree_skb(skb);
error:
IP6_INC_STATS(rt->rt6i_idev, IPSTATS_MIB_OUTDISCARDS);
- return err;
+ return err;
}
static int rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg)
int err;
/* Rough check on arithmetic overflow,
- better check is made in ip6_build_xmit
+ better check is made in ip6_append_data().
*/
- if (len < 0)
+ if (len > INT_MAX)
return -EMSGSIZE;
/* Mirror BSD error message compatibility */
- if (msg->msg_flags & MSG_OOB)
+ if (msg->msg_flags & MSG_OOB)
return -EOPNOTSUPP;
/*
- * Get and verify the address.
+ * Get and verify the address.
*/
memset(&fl, 0, sizeof(fl));
if (sin6) {
- if (addr_len < SIN6_LEN_RFC2133)
+ if (addr_len < SIN6_LEN_RFC2133)
return -EINVAL;
- if (sin6->sin6_family && sin6->sin6_family != AF_INET6)
+ if (sin6->sin6_family && sin6->sin6_family != AF_INET6)
return(-EAFNOSUPPORT);
/* port is the proto value [0..255] carried in nexthdr */
ipv6_addr_type(daddr)&IPV6_ADDR_LINKLOCAL)
fl.oif = sin6->sin6_scope_id;
} else {
- if (sk->sk_state != TCP_ESTABLISHED)
+ if (sk->sk_state != TCP_ESTABLISHED)
return -EDESTADDRREQ;
-
+
proto = inet->num;
daddr = &np->daddr;
fl.fl6_flowlabel = np->flow_label;
}
if (ipv6_addr_any(daddr)) {
- /*
- * unspecified destination address
+ /*
+ * unspecified destination address
* treated as error... is this correct ?
*/
fl6_sock_release(flowlabel);
err = rawv6_probe_proto_opt(&fl, msg);
if (err)
goto out;
-
+
ipv6_addr_copy(&fl.fl6_dst, daddr);
if (ipv6_addr_any(&fl.fl6_src) && !ipv6_addr_any(&np->saddr))
ipv6_addr_copy(&fl.fl6_src, &np->saddr);
dst_release(dst);
if (!inet->hdrincl)
release_sock(sk);
-out:
+out:
fl6_sock_release(flowlabel);
return err<0?err:len;
do_confirm:
goto done;
}
-static int rawv6_seticmpfilter(struct sock *sk, int level, int optname,
+static int rawv6_seticmpfilter(struct sock *sk, int level, int optname,
char __user *optval, int optlen)
{
switch (optname) {
return 0;
}
-static int rawv6_geticmpfilter(struct sock *sk, int level, int optname,
+static int rawv6_geticmpfilter(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
int len;
struct raw6_sock *rp = raw6_sk(sk);
int val;
- if (get_user(val, (int __user *)optval))
+ if (get_user(val, (int __user *)optval))
return -EFAULT;
switch (optname) {
src->s6_addr32[2], src->s6_addr32[3], srcp,
dest->s6_addr32[0], dest->s6_addr32[1],
dest->s6_addr32[2], dest->s6_addr32[3], destp,
- sp->sk_state,
+ sp->sk_state,
atomic_read(&sp->sk_wmem_alloc),
atomic_read(&sp->sk_rmem_alloc),
0, 0L, 0,
goto out;
}
-static struct file_operations raw6_seq_fops = {
+static const struct file_operations raw6_seq_fops = {
.owner = THIS_MODULE,
.open = raw6_seq_open,
.read = seq_read,
git.openpandora.org / pandora-kernel.git / blobdiff