#include <linux/icmpv6.h>
#include <linux/netfilter.h>
#include <linux/netfilter_ipv6.h>
+#include <linux/skbuff.h>
#include <asm/uaccess.h>
#include <asm/ioctls.h>
#include <asm/bug.h>
#include <net/transp_v6.h>
#include <net/udp.h>
#include <net/inet_common.h>
+#include <net/tcp_states.h>
#include <net/rawv6.h>
#include <net/xfrm.h>
*
* Caller owns SKB so we must make clones.
*/
-void ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
+int ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
{
struct in6_addr *saddr;
struct in6_addr *daddr;
struct sock *sk;
+ int delivered = 0;
__u8 hash;
saddr = &skb->nh.ipv6h->saddr;
if (sk == NULL)
goto out;
- sk = __raw_v6_lookup(sk, nexthdr, daddr, saddr, skb->dev->ifindex);
+ sk = __raw_v6_lookup(sk, nexthdr, daddr, saddr, IP6CB(skb)->iif);
while (sk) {
+ delivered = 1;
if (nexthdr != IPPROTO_ICMPV6 || !icmpv6_filter(sk, skb)) {
struct sk_buff *clone = skb_clone(skb, GFP_ATOMIC);
/* Not releasing hash table! */
- if (clone)
+ if (clone) {
+ nf_reset(clone);
rawv6_rcv(sk, clone);
+ }
}
sk = __raw_v6_lookup(sk_next(sk), nexthdr, daddr, saddr,
- skb->dev->ifindex);
+ IP6CB(skb)->iif);
}
out:
read_unlock(&raw_v6_lock);
+ return delivered;
}
/* This cleans up af_inet6 a bit. -DaveM */
static inline int rawv6_rcv_skb(struct sock * sk, struct sk_buff * skb)
{
if ((raw6_sk(sk)->checksum || sk->sk_filter) &&
- skb->ip_summed != CHECKSUM_UNNECESSARY) {
- if ((unsigned short)csum_fold(skb_checksum(skb, 0, skb->len, skb->csum))) {
- /* FIXME: increment a raw6 drops counter here */
- kfree_skb(skb);
- return 0;
- }
- skb->ip_summed = CHECKSUM_UNNECESSARY;
+ skb_checksum_complete(skb)) {
+ /* FIXME: increment a raw6 drops counter here */
+ kfree_skb(skb);
+ return 0;
}
/* Charge it to the socket. */
if (!rp->checksum)
skb->ip_summed = CHECKSUM_UNNECESSARY;
- if (skb->ip_summed != CHECKSUM_UNNECESSARY) {
- if (skb->ip_summed == CHECKSUM_HW) {
- skb_postpull_rcsum(skb, skb->nh.raw,
- skb->h.raw - skb->nh.raw);
+ if (skb->ip_summed == CHECKSUM_HW) {
+ skb_postpull_rcsum(skb, 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))
skb->ip_summed = CHECKSUM_UNNECESSARY;
- if (csum_ipv6_magic(&skb->nh.ipv6h->saddr,
- &skb->nh.ipv6h->daddr,
- skb->len, inet->num, skb->csum)) {
- LIMIT_NETDEBUG(
- printk(KERN_DEBUG "raw v6 hw csum failure.\n"));
- skb->ip_summed = CHECKSUM_NONE;
- }
- }
- if (skb->ip_summed == CHECKSUM_NONE)
- skb->csum = ~csum_ipv6_magic(&skb->nh.ipv6h->saddr,
- &skb->nh.ipv6h->daddr,
- skb->len, inet->num, 0);
}
+ if (skb->ip_summed != CHECKSUM_UNNECESSARY)
+ skb->csum = ~csum_ipv6_magic(&skb->nh.ipv6h->saddr,
+ &skb->nh.ipv6h->daddr,
+ skb->len, inet->num, 0);
if (inet->hdrincl) {
- if (skb->ip_summed != CHECKSUM_UNNECESSARY &&
- (unsigned short)csum_fold(skb_checksum(skb, 0, skb->len, skb->csum))) {
+ if (skb_checksum_complete(skb)) {
/* FIXME: increment a raw6 drops counter here */
kfree_skb(skb);
return 0;
}
- skb->ip_summed = CHECKSUM_UNNECESSARY;
}
rawv6_rcv_skb(sk, skb);
if (skb->ip_summed==CHECKSUM_UNNECESSARY) {
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
} else if (msg->msg_flags&MSG_TRUNC) {
- if ((unsigned short)csum_fold(skb_checksum(skb, 0, skb->len, skb->csum)))
+ if (__skb_checksum_complete(skb))
goto csum_copy_err;
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
} else {
return err;
csum_copy_err:
- /* Clear queue. */
- if (flags&MSG_PEEK) {
- int clear = 0;
- spin_lock_bh(&sk->sk_receive_queue.lock);
- if (skb == skb_peek(&sk->sk_receive_queue)) {
- __skb_unlink(skb, &sk->sk_receive_queue);
- clear = 1;
- }
- spin_unlock_bh(&sk->sk_receive_queue.lock);
- if (clear)
- kfree_skb(skb);
- }
+ skb_kill_datagram(sk, skb, flags);
/* Error for blocking case is chosen to masquerade
as some normal condition.
*/
err = (flags&MSG_DONTWAIT) ? -EAGAIN : -EHOSTUNREACH;
/* FIXME: increment a raw6 drops counter here */
- goto out_free;
+ goto out;
}
static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl,
if (type && code) {
get_user(fl->fl_icmp_type, type);
- __get_user(fl->fl_icmp_code, code);
+ get_user(fl->fl_icmp_code, code);
probed = 1;
}
break;
struct flowi fl;
int addr_len = msg->msg_namelen;
int hlimit = -1;
+ int tclass = -1;
u16 proto;
int err;
memset(opt, 0, sizeof(struct ipv6_txoptions));
opt->tot_len = sizeof(struct ipv6_txoptions);
- err = datagram_send_ctl(msg, &fl, opt, &hlimit);
+ err = datagram_send_ctl(msg, &fl, opt, &hlimit, &tclass);
if (err < 0) {
fl6_sock_release(flowlabel);
return err;
opt = np->opt;
if (flowlabel)
opt = fl6_merge_options(&opt_space, flowlabel, opt);
+ opt = ipv6_fixup_options(&opt_space, opt);
fl.proto = proto;
rawv6_probe_proto_opt(&fl, msg);
if (final_p)
ipv6_addr_copy(&fl.fl6_dst, final_p);
- if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) {
- dst_release(dst);
+ if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0)
goto out;
- }
if (hlimit < 0) {
if (ipv6_addr_is_multicast(&fl.fl6_dst))
hlimit = ipv6_get_hoplimit(dst->dev);
}
+ if (tclass < 0) {
+ tclass = np->cork.tclass;
+ if (tclass < 0)
+ tclass = 0;
+ }
+
if (msg->msg_flags&MSG_CONFIRM)
goto do_confirm;
err = rawv6_send_hdrinc(sk, msg->msg_iov, len, &fl, (struct rt6_info*)dst, msg->msg_flags);
} else {
lock_sock(sk);
- err = ip6_append_data(sk, ip_generic_getfrag, msg->msg_iov, len, 0,
- hlimit, opt, &fl, (struct rt6_info*)dst, msg->msg_flags);
+ err = ip6_append_data(sk, ip_generic_getfrag, msg->msg_iov,
+ len, 0, hlimit, tclass, opt, &fl, (struct rt6_info*)dst,
+ msg->msg_flags);
if (err)
ip6_flush_pending_frames(sk);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff