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Diffstat (limited to 'net/ipv6/xfrm6_policy.c')
-rw-r--r--net/ipv6/xfrm6_policy.c126
1 files changed, 0 insertions, 126 deletions
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 769f8f78d3b8..699e0730ce8e 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -22,9 +22,6 @@
#include <net/ipv6.h>
#include <net/ip6_route.h>
#include <net/l3mdev.h>
-#if IS_ENABLED(CONFIG_IPV6_MIP6)
-#include <net/mip6.h>
-#endif
static struct dst_entry *xfrm6_dst_lookup(struct net *net, int tos, int oif,
const xfrm_address_t *saddr,
@@ -71,24 +68,6 @@ static int xfrm6_get_saddr(struct net *net, int oif,
return 0;
}
-static int xfrm6_get_tos(const struct flowi *fl)
-{
- return 0;
-}
-
-static int xfrm6_init_path(struct xfrm_dst *path, struct dst_entry *dst,
- int nfheader_len)
-{
- if (dst->ops->family == AF_INET6) {
- struct rt6_info *rt = (struct rt6_info *)dst;
- path->path_cookie = rt6_get_cookie(rt);
- }
-
- path->u.rt6.rt6i_nfheader_len = nfheader_len;
-
- return 0;
-}
-
static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
const struct flowi *fl)
{
@@ -118,108 +97,6 @@ static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
return 0;
}
-static inline void
-_decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse)
-{
- struct flowi6 *fl6 = &fl->u.ip6;
- int onlyproto = 0;
- const struct ipv6hdr *hdr = ipv6_hdr(skb);
- u32 offset = sizeof(*hdr);
- struct ipv6_opt_hdr *exthdr;
- const unsigned char *nh = skb_network_header(skb);
- u16 nhoff = IP6CB(skb)->nhoff;
- int oif = 0;
- u8 nexthdr;
-
- if (!nhoff)
- nhoff = offsetof(struct ipv6hdr, nexthdr);
-
- nexthdr = nh[nhoff];
-
- if (skb_dst(skb))
- oif = skb_dst(skb)->dev->ifindex;
-
- memset(fl6, 0, sizeof(struct flowi6));
- fl6->flowi6_mark = skb->mark;
- fl6->flowi6_oif = reverse ? skb->skb_iif : oif;
-
- fl6->daddr = reverse ? hdr->saddr : hdr->daddr;
- fl6->saddr = reverse ? hdr->daddr : hdr->saddr;
-
- while (nh + offset + sizeof(*exthdr) < skb->data ||
- pskb_may_pull(skb, nh + offset + sizeof(*exthdr) - skb->data)) {
- nh = skb_network_header(skb);
- exthdr = (struct ipv6_opt_hdr *)(nh + offset);
-
- switch (nexthdr) {
- case NEXTHDR_FRAGMENT:
- onlyproto = 1;
- /* fall through */
- case NEXTHDR_ROUTING:
- case NEXTHDR_HOP:
- case NEXTHDR_DEST:
- offset += ipv6_optlen(exthdr);
- nexthdr = exthdr->nexthdr;
- exthdr = (struct ipv6_opt_hdr *)(nh + offset);
- break;
-
- case IPPROTO_UDP:
- case IPPROTO_UDPLITE:
- case IPPROTO_TCP:
- case IPPROTO_SCTP:
- case IPPROTO_DCCP:
- if (!onlyproto && (nh + offset + 4 < skb->data ||
- pskb_may_pull(skb, nh + offset + 4 - skb->data))) {
- __be16 *ports;
-
- nh = skb_network_header(skb);
- ports = (__be16 *)(nh + offset);
- fl6->fl6_sport = ports[!!reverse];
- fl6->fl6_dport = ports[!reverse];
- }
- fl6->flowi6_proto = nexthdr;
- return;
-
- case IPPROTO_ICMPV6:
- if (!onlyproto && (nh + offset + 2 < skb->data ||
- pskb_may_pull(skb, nh + offset + 2 - skb->data))) {
- u8 *icmp;
-
- nh = skb_network_header(skb);
- icmp = (u8 *)(nh + offset);
- fl6->fl6_icmp_type = icmp[0];
- fl6->fl6_icmp_code = icmp[1];
- }
- fl6->flowi6_proto = nexthdr;
- return;
-
-#if IS_ENABLED(CONFIG_IPV6_MIP6)
- case IPPROTO_MH:
- offset += ipv6_optlen(exthdr);
- if (!onlyproto && (nh + offset + 3 < skb->data ||
- pskb_may_pull(skb, nh + offset + 3 - skb->data))) {
- struct ip6_mh *mh;
-
- nh = skb_network_header(skb);
- mh = (struct ip6_mh *)(nh + offset);
- fl6->fl6_mh_type = mh->ip6mh_type;
- }
- fl6->flowi6_proto = nexthdr;
- return;
-#endif
-
- /* XXX Why are there these headers? */
- case IPPROTO_AH:
- case IPPROTO_ESP:
- case IPPROTO_COMP:
- default:
- fl6->fl6_ipsec_spi = 0;
- fl6->flowi6_proto = nexthdr;
- return;
- }
- }
-}
-
static void xfrm6_update_pmtu(struct dst_entry *dst, struct sock *sk,
struct sk_buff *skb, u32 mtu)
{
@@ -291,9 +168,6 @@ static const struct xfrm_policy_afinfo xfrm6_policy_afinfo = {
.dst_ops = &xfrm6_dst_ops_template,
.dst_lookup = xfrm6_dst_lookup,
.get_saddr = xfrm6_get_saddr,
- .decode_session = _decode_session6,
- .get_tos = xfrm6_get_tos,
- .init_path = xfrm6_init_path,
.fill_dst = xfrm6_fill_dst,
.blackhole_route = ip6_blackhole_route,
};