unsigned char *iph = skb_network_header(skb);
memcpy(&(IPCB(skb)->opt), opt, sizeof(struct ip_options));
- memcpy(iph+sizeof(struct iphdr), opt->__data, opt->optlen);
+ memcpy(iph + sizeof(struct iphdr), opt->__data, opt->optlen);
opt = &(IPCB(skb)->opt);
if (opt->srr)
- memcpy(iph+opt->srr+iph[opt->srr+1]-4, &daddr, 4);
+ memcpy(iph + opt->srr + iph[opt->srr + 1] - 4, &daddr, 4);
if (!is_frag) {
if (opt->rr_needaddr)
- ip_rt_get_source(iph+opt->rr+iph[opt->rr+2]-5, skb, rt);
+ ip_rt_get_source(iph + opt->rr + iph[opt->rr + 2] - 5, skb, rt);
if (opt->ts_needaddr)
- ip_rt_get_source(iph+opt->ts+iph[opt->ts+2]-9, skb, rt);
+ ip_rt_get_source(iph + opt->ts + iph[opt->ts + 2] - 9, skb, rt);
if (opt->ts_needtime) {
__be32 midtime;
midtime = inet_current_timestamp();
- memcpy(iph+opt->ts+iph[opt->ts+2]-5, &midtime, 4);
+ memcpy(iph + opt->ts + iph[opt->ts + 2] - 5, &midtime, 4);
}
return;
}
if (opt->rr) {
- memset(iph+opt->rr, IPOPT_NOP, iph[opt->rr+1]);
+ memset(iph + opt->rr, IPOPT_NOP, iph[opt->rr + 1]);
opt->rr = 0;
opt->rr_needaddr = 0;
}
if (opt->ts) {
- memset(iph+opt->ts, IPOPT_NOP, iph[opt->ts+1]);
+ memset(iph + opt->ts, IPOPT_NOP, iph[opt->ts + 1]);
opt->ts = 0;
opt->ts_needaddr = opt->ts_needtime = 0;
}
void ip_options_undo(struct ip_options *opt)
{
if (opt->srr) {
- unsigned char *optptr = opt->__data+opt->srr-sizeof(struct iphdr);
- memmove(optptr+7, optptr+3, optptr[1]-7);
- memcpy(optptr+3, &opt->faddr, 4);
+ unsigned char *optptr = opt->__data + opt->srr - sizeof(struct iphdr);
+
+ memmove(optptr + 7, optptr + 3, optptr[1] - 7);
+ memcpy(optptr + 3, &opt->faddr, 4);
}
if (opt->rr_needaddr) {
- unsigned char *optptr = opt->__data+opt->rr-sizeof(struct iphdr);
+ unsigned char *optptr = opt->__data + opt->rr - sizeof(struct iphdr);
+
optptr[2] -= 4;
- memset(&optptr[optptr[2]-1], 0, 4);
+ memset(&optptr[optptr[2] - 1], 0, 4);
}
if (opt->ts) {
- unsigned char *optptr = opt->__data+opt->ts-sizeof(struct iphdr);
+ unsigned char *optptr = opt->__data + opt->ts - sizeof(struct iphdr);
+
if (opt->ts_needtime) {
optptr[2] -= 4;
- memset(&optptr[optptr[2]-1], 0, 4);
- if ((optptr[3]&0xF) == IPOPT_TS_PRESPEC)
+ memset(&optptr[optptr[2] - 1], 0, 4);
+ if ((optptr[3] & 0xF) == IPOPT_TS_PRESPEC)
optptr[2] -= 4;
}
if (opt->ts_needaddr) {
optptr[2] -= 4;
- memset(&optptr[optptr[2]-1], 0, 4);
+ memset(&optptr[optptr[2] - 1], 0, 4);
}
}
}
static void __ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu)
{
- const struct iphdr *iph = (const struct iphdr *) skb->data;
+ const struct iphdr *iph = (const struct iphdr *)skb->data;
struct flowi4 fl4;
struct rtable *rt;
new = true;
}
- __ip_rt_update_pmtu((struct rtable *) xfrm_dst_path(&rt->dst), &fl4, mtu);
+ __ip_rt_update_pmtu((struct rtable *)xfrm_dst_path(&rt->dst), &fl4, mtu);
if (!dst_check(&rt->dst, 0)) {
if (new)
void ipv4_sk_redirect(struct sk_buff *skb, struct sock *sk)
{
- const struct iphdr *iph = (const struct iphdr *) skb->data;
+ const struct iphdr *iph = (const struct iphdr *)skb->data;
struct flowi4 fl4;
struct rtable *rt;
struct net *net = sock_net(sk);