Release 4.11 net/ipv6/xfrm6_input.c
/*
* xfrm6_input.c: based on net/ipv4/xfrm4_input.c
*
* Authors:
* Mitsuru KANDA @USAGI
* Kazunori MIYAZAWA @USAGI
* Kunihiro Ishiguro <kunihiro@ipinfusion.com>
* YOSHIFUJI Hideaki @USAGI
* IPv6 support
*/
#include <linux/module.h>
#include <linux/string.h>
#include <linux/netfilter.h>
#include <linux/netfilter_ipv6.h>
#include <net/ipv6.h>
#include <net/xfrm.h>
int xfrm6_extract_input(struct xfrm_state *x, struct sk_buff *skb)
{
return xfrm6_extract_header(skb);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Herbert Xu | 21 | 100.00% | 1 | 100.00% |
Total | 21 | 100.00% | 1 | 100.00% |
int xfrm6_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi,
struct ip6_tnl *t)
{
XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6 = t;
XFRM_SPI_SKB_CB(skb)->family = AF_INET6;
XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct ipv6hdr, daddr);
return xfrm_input(skb, nexthdr, spi, 0);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Herbert Xu | 28 | 41.18% | 6 | 50.00% |
Hideaki Yoshifuji / 吉藤英明 | 19 | 27.94% | 2 | 16.67% |
Alexey Kodanev | 10 | 14.71% | 1 | 8.33% |
Nicolas Dichtel | 6 | 8.82% | 1 | 8.33% |
Patrick McHardy | 4 | 5.88% | 1 | 8.33% |
Al Viro | 1 | 1.47% | 1 | 8.33% |
Total | 68 | 100.00% | 12 | 100.00% |
EXPORT_SYMBOL(xfrm6_rcv_spi);
int xfrm6_transport_finish(struct sk_buff *skb, int async)
{
struct xfrm_offload *xo = xfrm_offload(skb);
skb_network_header(skb)[IP6CB(skb)->nhoff] =
XFRM_MODE_SKB_CB(skb)->protocol;
#ifndef CONFIG_NETFILTER
if (!async)
return 1;
#endif
ipv6_hdr(skb)->payload_len = htons(skb->len);
__skb_push(skb, skb->data - skb_network_header(skb));
if (xo && (xo->flags & XFRM_GRO)) {
skb_mac_header_rebuild(skb);
return -1;
}
NF_HOOK(NFPROTO_IPV6, NF_INET_PRE_ROUTING,
dev_net(skb->dev), NULL, skb, skb->dev, NULL,
ip6_rcv_finish);
return -1;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Patrick McHardy | 43 | 31.39% | 2 | 16.67% |
Herbert Xu | 42 | 30.66% | 3 | 25.00% |
Steffen Klassert | 33 | 24.09% | 1 | 8.33% |
Eric W. Biedermann | 7 | 5.11% | 1 | 8.33% |
Arnaldo Carvalho de Melo | 6 | 4.38% | 2 | 16.67% |
Hideaki Yoshifuji / 吉藤英明 | 3 | 2.19% | 1 | 8.33% |
David S. Miller | 2 | 1.46% | 1 | 8.33% |
Jan Engelhardt | 1 | 0.73% | 1 | 8.33% |
Total | 137 | 100.00% | 12 | 100.00% |
int xfrm6_rcv_tnl(struct sk_buff *skb, struct ip6_tnl *t)
{
return xfrm6_rcv_spi(skb, skb_network_header(skb)[IP6CB(skb)->nhoff],
0, t);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Herbert Xu | 27 | 71.05% | 3 | 75.00% |
Nicolas Dichtel | 11 | 28.95% | 1 | 25.00% |
Total | 38 | 100.00% | 4 | 100.00% |
EXPORT_SYMBOL(xfrm6_rcv_tnl);
int xfrm6_rcv(struct sk_buff *skb)
{
return xfrm6_rcv_tnl(skb, NULL);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Nicolas Dichtel | 15 | 83.33% | 1 | 50.00% |
Herbert Xu | 3 | 16.67% | 1 | 50.00% |
Total | 18 | 100.00% | 2 | 100.00% |
EXPORT_SYMBOL(xfrm6_rcv);
int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr,
xfrm_address_t *saddr, u8 proto)
{
struct net *net = dev_net(skb->dev);
struct xfrm_state *x = NULL;
int i = 0;
if (secpath_set(skb)) {
XFRM_INC_STATS(net, LINUX_MIB_XFRMINERROR);
goto drop;
}
if (1 + skb->sp->len == XFRM_MAX_DEPTH) {
XFRM_INC_STATS(net, LINUX_MIB_XFRMINBUFFERERROR);
goto drop;
}
for (i = 0; i < 3; i++) {
xfrm_address_t *dst, *src;
switch (i) {
case 0:
dst = daddr;
src = saddr;
break;
case 1:
/* lookup state with wild-card source address */
dst = daddr;
src = (xfrm_address_t *)&in6addr_any;
break;
default:
/* lookup state with wild-card addresses */
dst = (xfrm_address_t *)&in6addr_any;
src = (xfrm_address_t *)&in6addr_any;
break;
}
x = xfrm_state_lookup_byaddr(net, skb->mark, dst, src, proto, AF_INET6);
if (!x)
continue;
spin_lock(&x->lock);
if ((!i || (x->props.flags & XFRM_STATE_WILDRECV)) &&
likely(x->km.state == XFRM_STATE_VALID) &&
!xfrm_state_check_expire(x)) {
spin_unlock(&x->lock);
if (x->type->input(x, skb) > 0) {
/* found a valid state */
break;
}
} else
spin_unlock(&x->lock);
xfrm_state_put(x);
x = NULL;
}
if (!x) {
XFRM_INC_STATS(net, LINUX_MIB_XFRMINNOSTATES);
xfrm_audit_state_notfound_simple(skb, AF_INET6);
goto drop;
}
skb->sp->xvec[skb->sp->len++] = x;
spin_lock(&x->lock);
x->curlft.bytes += skb->len;
x->curlft.packets++;
spin_unlock(&x->lock);
return 1;
drop:
return -1;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Masahide Nakamura | 287 | 79.06% | 3 | 33.33% |
Hideaki Yoshifuji / 吉藤英明 | 44 | 12.12% | 1 | 11.11% |
Alexey Dobriyan | 20 | 5.51% | 2 | 22.22% |
Paul Moore | 7 | 1.93% | 1 | 11.11% |
Jamal Hadi Salim | 4 | 1.10% | 1 | 11.11% |
Steffen Klassert | 1 | 0.28% | 1 | 11.11% |
Total | 363 | 100.00% | 9 | 100.00% |
EXPORT_SYMBOL(xfrm6_input_addr);
Overall Contributors
Person | Tokens | Prop | Commits | CommitProp |
Masahide Nakamura | 287 | 41.96% | 3 | 8.57% |
Herbert Xu | 129 | 18.86% | 10 | 28.57% |
Hideaki Yoshifuji / 吉藤英明 | 85 | 12.43% | 4 | 11.43% |
Patrick McHardy | 53 | 7.75% | 3 | 8.57% |
Nicolas Dichtel | 37 | 5.41% | 1 | 2.86% |
Steffen Klassert | 34 | 4.97% | 2 | 5.71% |
Alexey Dobriyan | 20 | 2.92% | 2 | 5.71% |
Alexey Kodanev | 10 | 1.46% | 1 | 2.86% |
Eric W. Biedermann | 7 | 1.02% | 1 | 2.86% |
Paul Moore | 7 | 1.02% | 1 | 2.86% |
Arnaldo Carvalho de Melo | 6 | 0.88% | 2 | 5.71% |
Jamal Hadi Salim | 4 | 0.58% | 1 | 2.86% |
David S. Miller | 2 | 0.29% | 1 | 2.86% |
Al Viro | 1 | 0.15% | 1 | 2.86% |
Ian Morris | 1 | 0.15% | 1 | 2.86% |
Jan Engelhardt | 1 | 0.15% | 1 | 2.86% |
Total | 684 | 100.00% | 35 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.