1 files changed, 59 insertions, 26 deletions

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 60c27706e7b9..d74e080ba6c9 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -140,6 +140,7 @@ struct xfrm_state {
 
         struct xfrm_id          id;
         struct xfrm_selector    sel;
+        struct xfrm_mark        mark;
 
         u32                     genid;
 
@@ -274,7 +275,8 @@ struct xfrm_policy_afinfo {
                                              struct dst_entry *dst,
                                              int nfheader_len);
         int                     (*fill_dst)(struct xfrm_dst *xdst,
-                                            struct net_device *dev);
+                                            struct net_device *dev,
+                                            struct flowi *fl);
 };
 
 extern int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo);
@@ -317,8 +319,8 @@ extern void xfrm_state_delete_tunnel(struct xfrm_state *x);
 struct xfrm_type {
         char                    *description;
         struct module           *owner;
-        __u8                    proto;
-        __u8                    flags;
+        u8                      proto;
+        u8                      flags;
 #define XFRM_TYPE_NON_FRAGMENT  1
 #define XFRM_TYPE_REPLAY_PROT   2
 #define XFRM_TYPE_LOCAL_COADDR  4
@@ -434,24 +436,24 @@ struct xfrm_tmpl {
 
         unsigned short          encap_family;
 
-        __u32                   reqid;
+        u32                     reqid;
 
 /* Mode: transport, tunnel etc. */
-        __u8                    mode;
+        u8                      mode;
 
 /* Sharing mode: unique, this session only, this user only etc. */
-        __u8                    share;
+        u8                      share;
 
 /* May skip this transfomration if no SA is found */
-        __u8                    optional;
+        u8                      optional;
 
 /* Skip aalgos/ealgos/calgos checks. */
-        __u8                    allalgs;
+        u8                      allalgs;
 
 /* Bit mask of algos allowed for acquisition */
-        __u32                   aalgos;
-        __u32                   ealgos;
-        __u32                   calgos;
+        u32                     aalgos;
+        u32                     ealgos;
+        u32                     calgos;
 };
 
 #define XFRM_MAX_DEPTH          6
@@ -481,6 +483,7 @@ struct xfrm_policy {
 
         u32                     priority;
         u32                     index;
+        struct xfrm_mark        mark;
         struct xfrm_selector    selector;
         struct xfrm_lifetime_cfg lft;
         struct xfrm_lifetime_cur curlft;
@@ -770,7 +773,7 @@ static __inline__ int addr_match(void *token1, void *token2, int prefixlen)
         int pdw;
         int pbi;
 
-        pdw = prefixlen >> 5;     /* num of whole __u32 in prefix */
+        pdw = prefixlen >> 5;     /* num of whole u32 in prefix */
         pbi = prefixlen &  0x1f;  /* num of bits in incomplete u32 in prefix */
 
         if (pdw)
@@ -1259,7 +1262,7 @@ struct xfrm_algo_desc {
 /* XFRM tunnel handlers.  */
 struct xfrm_tunnel {
         int (*handler)(struct sk_buff *skb);
-        int (*err_handler)(struct sk_buff *skb, __u32 info);
+        int (*err_handler)(struct sk_buff *skb, u32 info);
 
         struct xfrm_tunnel *next;
         int priority;
@@ -1317,7 +1320,7 @@ extern struct xfrm_state *xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t
                                           struct flowi *fl, struct xfrm_tmpl *tmpl,
                                           struct xfrm_policy *pol, int *err,
                                           unsigned short family);
-extern struct xfrm_state * xfrm_stateonly_find(struct net *net,
+extern struct xfrm_state *xfrm_stateonly_find(struct net *net, u32 mark,
                                                xfrm_address_t *daddr,
                                                xfrm_address_t *saddr,
                                                unsigned short family,
@@ -1326,8 +1329,14 @@ extern int xfrm_state_check_expire(struct xfrm_state *x);
 extern void xfrm_state_insert(struct xfrm_state *x);
 extern int xfrm_state_add(struct xfrm_state *x);
 extern int xfrm_state_update(struct xfrm_state *x);
-extern struct xfrm_state *xfrm_state_lookup(struct net *net, xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family);
-extern struct xfrm_state *xfrm_state_lookup_byaddr(struct net *net, xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto, unsigned short family);
+extern struct xfrm_state *xfrm_state_lookup(struct net *net, u32 mark,
+                                            xfrm_address_t *daddr, __be32 spi,
+                                            u8 proto, unsigned short family);
+extern struct xfrm_state *xfrm_state_lookup_byaddr(struct net *net, u32 mark,
+                                                   xfrm_address_t *daddr,
+                                                   xfrm_address_t *saddr,
+                                                   u8 proto,
+                                                   unsigned short family);
 #ifdef CONFIG_XFRM_SUB_POLICY
 extern int xfrm_tmpl_sort(struct xfrm_tmpl **dst, struct xfrm_tmpl **src,
                           int n, unsigned short family);
@@ -1364,7 +1373,8 @@ struct xfrmk_spdinfo {
         u32 spdhmcnt;
 };
 
-extern struct xfrm_state *xfrm_find_acq_byseq(struct net *net, u32 seq);
+extern struct xfrm_state *xfrm_find_acq_byseq(struct net *net, u32 mark,
+                                              u32 seq);
 extern int xfrm_state_delete(struct xfrm_state *x);
 extern int xfrm_state_flush(struct net *net, u8 proto, struct xfrm_audit *audit_info);
 extern void xfrm_sad_getinfo(struct net *net, struct xfrmk_sadinfo *si);
@@ -1408,9 +1418,9 @@ extern int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr,
                             xfrm_address_t *saddr, u8 proto);
 extern int xfrm6_tunnel_register(struct xfrm6_tunnel *handler, unsigned short family);
 extern int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler, unsigned short family);
-extern __be32 xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr);
-extern void xfrm6_tunnel_free_spi(xfrm_address_t *saddr);
-extern __be32 xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr);
+extern __be32 xfrm6_tunnel_alloc_spi(struct net *net, xfrm_address_t *saddr);
+extern void xfrm6_tunnel_free_spi(struct net *net, xfrm_address_t *saddr);
+extern __be32 xfrm6_tunnel_spi_lookup(struct net *net, xfrm_address_t *saddr);
 extern int xfrm6_extract_output(struct xfrm_state *x, struct sk_buff *skb);
 extern int xfrm6_prepare_output(struct xfrm_state *x, struct sk_buff *skb);
 extern int xfrm6_output(struct sk_buff *skb);
@@ -1441,17 +1451,20 @@ extern int xfrm_policy_walk(struct net *net, struct xfrm_policy_walk *walk,
         int (*func)(struct xfrm_policy *, int, int, void*), void *);
 extern void xfrm_policy_walk_done(struct xfrm_policy_walk *walk);
 int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl);
-struct xfrm_policy *xfrm_policy_bysel_ctx(struct net *net, u8 type, int dir,
+struct xfrm_policy *xfrm_policy_bysel_ctx(struct net *net, u32 mark,
+                                          u8 type, int dir,
                                           struct xfrm_selector *sel,
                                           struct xfrm_sec_ctx *ctx, int delete,
                                           int *err);
-struct xfrm_policy *xfrm_policy_byid(struct net *net, u8, int dir, u32 id, int delete, int *err);
+struct xfrm_policy *xfrm_policy_byid(struct net *net, u32 mark, u8, int dir, u32 id, int delete, int *err);
 int xfrm_policy_flush(struct net *net, u8 type, struct xfrm_audit *audit_info);
 u32 xfrm_get_acqseq(void);
 extern int xfrm_alloc_spi(struct xfrm_state *x, u32 minspi, u32 maxspi);
-struct xfrm_state * xfrm_find_acq(struct net *net, u8 mode, u32 reqid, u8 proto,
-                                  xfrm_address_t *daddr, xfrm_address_t *saddr,
-                                  int create, unsigned short family);
+struct xfrm_state *xfrm_find_acq(struct net *net, struct xfrm_mark *mark,
+                                 u8 mode, u32 reqid, u8 proto,
+                                 xfrm_address_t *daddr,
+                                 xfrm_address_t *saddr, int create,
+                                 unsigned short family);
 extern int xfrm_sk_policy_insert(struct sock *sk, int dir, struct xfrm_policy *pol);
 extern int xfrm_bundle_ok(struct xfrm_policy *pol, struct xfrm_dst *xdst,
                           struct flowi *fl, int family, int strict);
@@ -1500,7 +1513,7 @@ static inline int xfrm_addr_cmp(xfrm_address_t *a, xfrm_address_t *b,
         switch (family) {
         default:
         case AF_INET:
-                return (__force __u32)a->a4 - (__force __u32)b->a4;
+                return (__force u32)a->a4 - (__force u32)b->a4;
         case AF_INET6:
                 return ipv6_addr_cmp((struct in6_addr *)a,
                                      (struct in6_addr *)b);
@@ -1570,4 +1583,24 @@ static inline struct xfrm_state *xfrm_input_state(struct sk_buff *skb)
 }
 #endif
 
+static inline int xfrm_mark_get(struct nlattr **attrs, struct xfrm_mark *m)
+{
+        if (attrs[XFRMA_MARK])
+                memcpy(m, nla_data(attrs[XFRMA_MARK]), sizeof(m));
+        else
+                m->v = m->m = 0;
+
+        return m->v & m->m;
+}
+
+static inline int xfrm_mark_put(struct sk_buff *skb, struct xfrm_mark *m)
+{
+        if (m->m | m->v)
+                NLA_PUT(skb, XFRMA_MARK, sizeof(struct xfrm_mark), m);
+        return 0;
+
+nla_put_failure:
+        return -1;
+}
+
 #endif  /* _NET_XFRM_H */