iph->tot_len = htons(skb->len);
ip_send_check(iph);
- return nf_hook(PF_INET, NF_INET_LOCAL_OUT, skb, NULL, skb->dst->dev,
+ return nf_hook(PF_INET, NF_INET_LOCAL_OUT, skb, NULL, skb_dst(skb)->dev,
dst_output);
}
__skb_pull(newskb, skb_network_offset(newskb));
newskb->pkt_type = PACKET_LOOPBACK;
newskb->ip_summed = CHECKSUM_UNNECESSARY;
- WARN_ON(!newskb->dst);
+ WARN_ON(!skb_dst(newskb));
netif_rx(newskb);
return 0;
}
__be32 saddr, __be32 daddr, struct ip_options *opt)
{
struct inet_sock *inet = inet_sk(sk);
- struct rtable *rt = skb->rtable;
+ struct rtable *rt = skb_rtable(skb);
struct iphdr *iph;
/* Build the IP header. */
static inline int ip_finish_output2(struct sk_buff *skb)
{
- struct dst_entry *dst = skb->dst;
+ struct dst_entry *dst = skb_dst(skb);
struct rtable *rt = (struct rtable *)dst;
struct net_device *dev = dst->dev;
unsigned int hh_len = LL_RESERVED_SPACE(dev);
struct inet_sock *inet = skb->sk ? inet_sk(skb->sk) : NULL;
return (inet && inet->pmtudisc == IP_PMTUDISC_PROBE) ?
- skb->dst->dev->mtu : dst_mtu(skb->dst);
+ skb_dst(skb)->dev->mtu : dst_mtu(skb_dst(skb));
}
static int ip_finish_output(struct sk_buff *skb)
{
#if defined(CONFIG_NETFILTER) && defined(CONFIG_XFRM)
/* Policy lookup after SNAT yielded a new policy */
- if (skb->dst->xfrm != NULL) {
+ if (skb_dst(skb)->xfrm != NULL) {
IPCB(skb)->flags |= IPSKB_REROUTED;
return dst_output(skb);
}
int ip_mc_output(struct sk_buff *skb)
{
struct sock *sk = skb->sk;
- struct rtable *rt = skb->rtable;
+ struct rtable *rt = skb_rtable(skb);
struct net_device *dev = rt->u.dst.dev;
/*
int ip_output(struct sk_buff *skb)
{
- struct net_device *dev = skb->dst->dev;
+ struct net_device *dev = skb_dst(skb)->dev;
IP_UPD_PO_STATS(dev_net(dev), IPSTATS_MIB_OUT, skb->len);
/* Skip all of this if the packet is already routed,
* f.e. by something like SCTP.
*/
- rt = skb->rtable;
+ rt = skb_rtable(skb);
if (rt != NULL)
goto packet_routed;
}
sk_setup_caps(sk, &rt->u.dst);
}
- skb->dst = dst_clone(&rt->u.dst);
+ skb_dst_set(skb, dst_clone(&rt->u.dst));
packet_routed:
if (opt && opt->is_strictroute && rt->rt_dst != rt->rt_gateway)
to->pkt_type = from->pkt_type;
to->priority = from->priority;
to->protocol = from->protocol;
- dst_release(to->dst);
- to->dst = dst_clone(from->dst);
+ skb_dst_drop(to);
+ skb_dst_set(to, dst_clone(skb_dst(from)));
to->dev = from->dev;
to->mark = from->mark;
unsigned int mtu, hlen, left, len, ll_rs, pad;
int offset;
__be16 not_last_frag;
- struct rtable *rt = skb->rtable;
+ struct rtable *rt = skb_rtable(skb);
int err = 0;
dev = rt->u.dst.dev;
* LATER: this step can be merged to real generation of fragments,
* we can switch to copy when see the first bad fragment.
*/
- if (skb_shinfo(skb)->frag_list) {
+ if (skb_has_frags(skb)) {
struct sk_buff *frag;
int first_len = skb_pagelen(skb);
int truesizes = 0;
skb_cloned(skb))
goto slow_path;
- for (frag = skb_shinfo(skb)->frag_list; frag; frag = frag->next) {
+ skb_walk_frags(skb, frag) {
/* Correct geometry. */
if (frag->len > mtu ||
((frag->len & 7) && frag->next) ||
BUG_ON(frag->sk);
if (skb->sk) {
- sock_hold(skb->sk);
frag->sk = skb->sk;
frag->destructor = sock_wfree;
truesizes += frag->truesize;
err = 0;
offset = 0;
frag = skb_shinfo(skb)->frag_list;
- skb_shinfo(skb)->frag_list = NULL;
+ skb_frag_list_init(skb);
skb->data_len = first_len - skb_headlen(skb);
skb->truesize -= truesizes;
skb->len = first_len;
* on dst refcount
*/
inet->cork.dst = NULL;
- skb->dst = &rt->u.dst;
+ skb_dst_set(skb, &rt->u.dst);
if (iph->protocol == IPPROTO_ICMP)
icmp_out_count(net, ((struct icmphdr *)
} replyopts;
struct ipcm_cookie ipc;
__be32 daddr;
- struct rtable *rt = skb->rtable;
+ struct rtable *rt = skb_rtable(skb);
if (ip_options_echo(&replyopts.opt, skb))
return;