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Diffstat (limited to 'net/ipv6/raw.c')
-rw-r--r--net/ipv6/raw.c50
1 files changed, 22 insertions, 28 deletions
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index a1265a320b1..a66900cda2a 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -174,8 +174,10 @@ int ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
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,
IP6CB(skb)->iif);
@@ -296,13 +298,10 @@ void rawv6_err(struct sock *sk, struct sk_buff *skb,
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. */
@@ -335,32 +334,25 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
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(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);
@@ -405,7 +397,7 @@ static int rawv6_recvmsg(struct kiocb *iocb, struct sock *sk,
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 {
@@ -756,7 +748,9 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
}
if (opt == NULL)
opt = np->opt;
- opt = fl6_merge_options(&opt_space, flowlabel, 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);