Merge tag 'edac/v4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...

[firefly-linux-kernel-4.4.55.git] / include / net / flow_dissector.h

diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h
index 1a8c224199360bab990723f82dfc814132b1e50b..8c8548cf5888c4535a809494fad454e755ff6749 100644 (file)
--- a/include/net/flow_dissector.h
+++ b/include/net/flow_dissector.h
@@ -2,7 +2,6 @@
 #define _NET_FLOW_DISSECTOR_H
 
 #include <linux/types.h>
-#include <linux/skbuff.h>
 #include <linux/in6.h>
 #include <uapi/linux/if_ether.h>
 
@@ -13,8 +12,13 @@
 struct flow_dissector_key_control {
        u16     thoff;
        u16     addr_type;
+       u32     flags;
 };
 
+#define FLOW_DIS_IS_FRAGMENT   BIT(0)
+#define FLOW_DIS_FIRST_FRAG    BIT(1)
+#define FLOW_DIS_ENCAPSULATION BIT(2)
+
 /**
  * struct flow_dissector_key_basic:
  * @thoff: Transport header offset
@@ -123,6 +127,11 @@ enum flow_dissector_key_id {
        FLOW_DISSECTOR_KEY_MAX,
 };
 
+#define FLOW_DISSECTOR_F_PARSE_1ST_FRAG                BIT(0)
+#define FLOW_DISSECTOR_F_STOP_AT_L3            BIT(1)
+#define FLOW_DISSECTOR_F_STOP_AT_FLOW_LABEL    BIT(2)
+#define FLOW_DISSECTOR_F_STOP_AT_ENCAP         BIT(3)
+
 struct flow_dissector_key {
        enum flow_dissector_key_id key_id;
        size_t offset; /* offset of struct flow_dissector_key_*
@@ -134,23 +143,6 @@ struct flow_dissector {
        unsigned short int offset[FLOW_DISSECTOR_KEY_MAX];
 };
 
-void skb_flow_dissector_init(struct flow_dissector *flow_dissector,
-                            const struct flow_dissector_key *key,
-                            unsigned int key_count);
-
-bool __skb_flow_dissect(const struct sk_buff *skb,
-                       struct flow_dissector *flow_dissector,
-                       void *target_container,
-                       void *data, __be16 proto, int nhoff, int hlen);
-
-static inline bool skb_flow_dissect(const struct sk_buff *skb,
-                                   struct flow_dissector *flow_dissector,
-                                   void *target_container)
-{
-       return __skb_flow_dissect(skb, flow_dissector, target_container,
-                                 NULL, 0, 0, 0);
-}
-
 struct flow_keys {
        struct flow_dissector_key_control control;
 #define FLOW_KEYS_HASH_START_FIELD basic
@@ -170,38 +162,6 @@ __be32 flow_get_u32_dst(const struct flow_keys *flow);
 extern struct flow_dissector flow_keys_dissector;
 extern struct flow_dissector flow_keys_buf_dissector;
 
-static inline bool skb_flow_dissect_flow_keys(const struct sk_buff *skb,
-                                             struct flow_keys *flow)
-{
-       memset(flow, 0, sizeof(*flow));
-       return __skb_flow_dissect(skb, &flow_keys_dissector, flow,
-                                 NULL, 0, 0, 0);
-}
-
-static inline bool skb_flow_dissect_flow_keys_buf(struct flow_keys *flow,
-                                                 void *data, __be16 proto,
-                                                 int nhoff, int hlen)
-{
-       memset(flow, 0, sizeof(*flow));
-       return __skb_flow_dissect(NULL, &flow_keys_buf_dissector, flow,
-                                 data, proto, nhoff, hlen);
-}
-
-__be32 __skb_flow_get_ports(const struct sk_buff *skb, int thoff, u8 ip_proto,
-                           void *data, int hlen_proto);
-
-static inline __be32 skb_flow_get_ports(const struct sk_buff *skb,
-                                       int thoff, u8 ip_proto)
-{
-       return __skb_flow_get_ports(skb, thoff, ip_proto, NULL, 0);
-}
-
-u32 flow_hash_from_keys(struct flow_keys *keys);
-void __skb_get_hash(struct sk_buff *skb);
-u32 skb_get_poff(const struct sk_buff *skb);
-u32 __skb_get_poff(const struct sk_buff *skb, void *data,
-                  const struct flow_keys *keys, int hlen);
-
 /* struct flow_keys_digest:
  *
  * This structure is used to hold a digest of the full flow keys. This is a
@@ -217,4 +177,11 @@ struct flow_keys_digest {
 void make_flow_keys_digest(struct flow_keys_digest *digest,
                           const struct flow_keys *flow);
 
+static inline bool flow_keys_have_l4(struct flow_keys *keys)
+{
+       return (keys->ports.ports || keys->tags.flow_label);
+}
+
+u32 flow_hash_from_keys(struct flow_keys *keys);
+
 #endif