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authorDavid S. Miller <davem@davemloft.net>2008-03-27 18:48:56 -0700
committerDavid S. Miller <davem@davemloft.net>2008-03-27 18:48:56 -0700
commit8e8e43843ba3ced0c657cbc0fdb10644ec60f772 (patch)
treee64954326ced9c365c52c256f01b5f9fb1bcae66 /include/net/xfrm.h
parented85f2c3b2b72bd20f617ac749f5c22be8d0f66e (diff)
parent50fd4407b8bfbde7c1a0bfe4f24de7df37164342 (diff)
downloadlinux-8e8e43843ba3ced0c657cbc0fdb10644ec60f772.tar.bz2
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/usb/rndis_host.c drivers/net/wireless/b43/dma.c net/ipv6/ndisc.c
Diffstat (limited to 'include/net/xfrm.h')
-rw-r--r--include/net/xfrm.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index bed7d43932f6..b56b6a10fe5e 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -205,6 +205,7 @@ struct xfrm_state
* transformer. */
const struct xfrm_type *type;
struct xfrm_mode *inner_mode;
+ struct xfrm_mode *inner_mode_iaf;
struct xfrm_mode *outer_mode;
/* Security context */
@@ -388,6 +389,27 @@ enum {
extern int xfrm_register_mode(struct xfrm_mode *mode, int family);
extern int xfrm_unregister_mode(struct xfrm_mode *mode, int family);
+static inline int xfrm_af2proto(unsigned int family)
+{
+ switch(family) {
+ case AF_INET:
+ return IPPROTO_IPIP;
+ case AF_INET6:
+ return IPPROTO_IPV6;
+ default:
+ return 0;
+ }
+}
+
+static inline struct xfrm_mode *xfrm_ip2inner_mode(struct xfrm_state *x, int ipproto)
+{
+ if ((ipproto == IPPROTO_IPIP && x->props.family == AF_INET) ||
+ (ipproto == IPPROTO_IPV6 && x->props.family == AF_INET6))
+ return x->inner_mode;
+ else
+ return x->inner_mode_iaf;
+}
+
struct xfrm_tmpl
{
/* id in template is interpreted as:
@@ -532,6 +554,9 @@ struct xfrm_mode_skb_cb {
__be16 id;
__be16 frag_off;
+ /* IP header length (excluding options or extension headers). */
+ u8 ihl;
+
/* TOS for IPv4, class for IPv6. */
u8 tos;
@@ -541,6 +566,9 @@ struct xfrm_mode_skb_cb {
/* Protocol for IPv4, NH for IPv6. */
u8 protocol;
+ /* Option length for IPv4, zero for IPv6. */
+ u8 optlen;
+
/* Used by IPv6 only, zero for IPv4. */
u8 flow_lbl[3];
};
@@ -1300,6 +1328,7 @@ extern int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi,
extern int xfrm_input_resume(struct sk_buff *skb, int nexthdr);
extern int xfrm_output_resume(struct sk_buff *skb, int err);
extern int xfrm_output(struct sk_buff *skb);
+extern int xfrm_inner_extract_output(struct xfrm_state *x, struct sk_buff *skb);
extern int xfrm4_extract_header(struct sk_buff *skb);
extern int xfrm4_extract_input(struct xfrm_state *x, struct sk_buff *skb);
extern int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi,