Merge branch 'for-2.6.26' of master.kernel.org:/pub/scm/linux/kernel/git/jwboyer...

[linux-2.6] / include / net / xfrm.h

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index c435620dbb377c0807497a206c7e923b86b1560c..d1350bcccb03c68efb07bac000b16c0f9cb49ca1 100644 (file)
--- 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:
@@ -414,6 +436,9 @@ struct xfrm_tmpl
 /* May skip this transfomration if no SA is found */
        __u8                    optional;
 
+/* Skip aalgos/ealgos/calgos checks. */
+       __u8                    allalgs;
+
 /* Bit mask of algos allowed for acquisition */
        __u32                   aalgos;
        __u32                   ealgos;
@@ -532,6 +557,9 @@ 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 +569,9 @@ 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];
 };
@@ -566,8 +597,9 @@ struct xfrm_spi_skb_cb {
 /* Audit Information */
 struct xfrm_audit
 {
-       u32     loginuid;
        u32     secid;
+       uid_t   loginuid;
+       u32     sessionid;
 };
 
 #ifdef CONFIG_AUDITSYSCALL
@@ -585,13 +617,13 @@ static inline struct audit_buffer *xfrm_audit_start(const char *op)
        return audit_buf;
 }
 
-static inline void xfrm_audit_helper_usrinfo(u32 auid, u32 secid,
+static inline void xfrm_audit_helper_usrinfo(uid_t auid, u32 ses, u32 secid,
                                             struct audit_buffer *audit_buf)
 {
        char *secctx;
        u32 secctx_len;
 
-       audit_log_format(audit_buf, " auid=%u", auid);
+       audit_log_format(audit_buf, " auid=%u ses=%u", auid, ses);
        if (secid != 0 &&
            security_secid_to_secctx(secid, &secctx, &secctx_len) == 0) {
                audit_log_format(audit_buf, " subj=%s", secctx);
@@ -601,13 +633,13 @@ static inline void xfrm_audit_helper_usrinfo(u32 auid, u32 secid,
 }
 
 extern void xfrm_audit_policy_add(struct xfrm_policy *xp, int result,
-                                 u32 auid, u32 secid);
+                                 u32 auid, u32 ses, u32 secid);
 extern void xfrm_audit_policy_delete(struct xfrm_policy *xp, int result,
-                                 u32 auid, u32 secid);
+                                 u32 auid, u32 ses, u32 secid);
 extern void xfrm_audit_state_add(struct xfrm_state *x, int result,
-                                u32 auid, u32 secid);
+                                u32 auid, u32 ses, u32 secid);
 extern void xfrm_audit_state_delete(struct xfrm_state *x, int result,
-                                   u32 auid, u32 secid);
+                                   u32 auid, u32 ses, u32 secid);
 extern void xfrm_audit_state_replay_overflow(struct xfrm_state *x,
                                             struct sk_buff *skb);
 extern void xfrm_audit_state_notfound_simple(struct sk_buff *skb, u16 family);
@@ -616,10 +648,10 @@ extern void xfrm_audit_state_notfound(struct sk_buff *skb, u16 family,
 extern void xfrm_audit_state_icvfail(struct xfrm_state *x,
                                     struct sk_buff *skb, u8 proto);
 #else
-#define xfrm_audit_policy_add(x, r, a, s)      do { ; } while (0)
-#define xfrm_audit_policy_delete(x, r, a, s)   do { ; } while (0)
-#define xfrm_audit_state_add(x, r, a, s)       do { ; } while (0)
-#define xfrm_audit_state_delete(x, r, a, s)    do { ; } while (0)
+#define xfrm_audit_policy_add(x, r, a, se, s)  do { ; } while (0)
+#define xfrm_audit_policy_delete(x, r, a, se, s)       do { ; } while (0)
+#define xfrm_audit_state_add(x, r, a, se, s)   do { ; } while (0)
+#define xfrm_audit_state_delete(x, r, a, se, s)        do { ; } while (0)
 #define xfrm_audit_state_replay_overflow(x, s) do { ; } while (0)
 #define xfrm_audit_state_notfound_simple(s, f) do { ; } while (0)
 #define xfrm_audit_state_notfound(s, f, sp, sq)        do { ; } while (0)
@@ -1045,6 +1077,23 @@ xfrm_address_t *xfrm_flowi_saddr(struct flowi *fl, unsigned short family)
        return NULL;
 }
 
+static __inline__
+void xfrm_flowi_addr_get(struct flowi *fl,
+                        xfrm_address_t *saddr, xfrm_address_t *daddr,
+                        unsigned short family)
+{
+       switch(family) {
+       case AF_INET:
+               memcpy(&saddr->a4, &fl->fl4_src, sizeof(saddr->a4));
+               memcpy(&daddr->a4, &fl->fl4_dst, sizeof(daddr->a4));
+               break;
+       case AF_INET6:
+               ipv6_addr_copy((struct in6_addr *)&saddr->a6, &fl->fl6_src);
+               ipv6_addr_copy((struct in6_addr *)&daddr->a6, &fl->fl6_dst);
+               break;
+       }
+}
+
 static __inline__ int
 __xfrm4_state_addr_check(struct xfrm_state *x,
                         xfrm_address_t *daddr, xfrm_address_t *saddr)
@@ -1283,6 +1332,7 @@ 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,