ofp-actions: helper functions for of12 set-field action

[sliver-openvswitch.git] / lib / nx-match.h

diff --git a/lib/nx-match.h b/lib/nx-match.h
index 6248b2a..6a57297 100644 (file)
--- a/lib/nx-match.h
+++ b/lib/nx-match.h
@@ -23,11 +23,9 @@
 #include "flow.h"
 #include "ofp-errors.h"
 #include "openvswitch/types.h"
-#include "ofp-errors.h"
 
-struct cls_rule;
 struct ds;
-struct flow;
+struct match;
 struct mf_subfield;
 struct ofpact_reg_move;
 struct ofpact_reg_load;
@@ -41,16 +39,21 @@ struct nx_action_reg_move;
  */
 
 enum ofperr nx_pull_match(struct ofpbuf *, unsigned int match_len,
-                          uint16_t priority, struct cls_rule *,
+                          struct match *,
                           ovs_be64 *cookie, ovs_be64 *cookie_mask);
 enum ofperr nx_pull_match_loose(struct ofpbuf *, unsigned int match_len,
-                                uint16_t priority, struct cls_rule *,
-                                ovs_be64 *cookie, ovs_be64 *cookie_mask);
-int nx_put_match(struct ofpbuf *, bool oxm, const struct cls_rule *,
+                                struct match *, ovs_be64 *cookie,
+                                ovs_be64 *cookie_mask);
+enum ofperr oxm_pull_match(struct ofpbuf *, struct match *);
+enum ofperr oxm_pull_match_loose(struct ofpbuf *, struct match *);
+int nx_put_match(struct ofpbuf *, const struct match *,
                  ovs_be64 cookie, ovs_be64 cookie_mask);
+int oxm_put_match(struct ofpbuf *, const struct match *);
 
 char *nx_match_to_string(const uint8_t *, unsigned int match_len);
+char *oxm_match_to_string(const uint8_t *, unsigned int match_len);
 int nx_match_from_string(const char *, struct ofpbuf *);
+int oxm_match_from_string(const char *, struct ofpbuf *);
 
 void nxm_parse_reg_move(struct ofpact_reg_move *, const char *);
 void nxm_parse_reg_load(struct ofpact_reg_load *, const char *);
@@ -62,6 +65,8 @@ enum ofperr nxm_reg_move_from_openflow(const struct nx_action_reg_move *,
                                        struct ofpbuf *ofpacts);
 enum ofperr nxm_reg_load_from_openflow(const struct nx_action_reg_load *,
                                        struct ofpbuf *ofpacts);
+enum ofperr nxm_reg_load_from_openflow12_set_field(
+    const struct ofp12_action_set_field * oasf, struct ofpbuf *ofpacts);
 
 enum ofperr nxm_reg_move_check(const struct ofpact_reg_move *,
                                const struct flow *);
@@ -101,46 +106,6 @@ nxm_decode_n_bits(ovs_be16 ofs_nbits)
     return (ntohs(ofs_nbits) & 0x3f) + 1;
 }
 \f
-BUILD_ASSERT_DECL(FLOW_WC_SEQ == 12);
-/* Upper bound on the length of an nx_match.  The longest nx_match (an
- * IPV6 neighbor discovery message using all the registers) would be:
- *
- *                   header  value  mask  total
- *                   ------  -----  ----  -----
- *  NXM_OF_IN_PORT      4       2    --      6
- *  NXM_OF_ETH_DST_W    4       6     6     16
- *  NXM_OF_ETH_SRC_W    4       6     6     16
- *  NXM_OF_ETH_TYPE     4       2    --      6
- *  NXM_OF_VLAN_TCI     4       2     2      8
- *  NXM_OF_IP_TOS       4       1    --      5
- *  NXM_NX_IP_ECN       4       1    --      5
- *  NXM_OF_IP_TTL       4       1    --      5
- *  NXM_NX_IP_FRAG      4       1     1      8
- *  NXM_OF_IP_PROTO     4       2    --      6
- *  NXM_OF_IPV6_SRC_W   4      16    16     36
- *  NXM_OF_IPV6_DST_W   4      16    16     36
- *  NXM_OF_IPV6_LABEL   4       4    --      8
- *  NXM_OF_ICMP_TYPE    4       1    --      5
- *  NXM_OF_ICMP_CODE    4       1    --      5
- *  NXM_NX_ND_TARGET    4      16    16     36
- *  NXM_NX_ND_SLL       4       6    --     10
- *  NXM_NX_REG_W(0)     4       4     4     12
- *  NXM_NX_REG_W(1)     4       4     4     12
- *  NXM_NX_REG_W(2)     4       4     4     12
- *  NXM_NX_REG_W(3)     4       4     4     12
- *  NXM_NX_REG_W(4)     4       4     4     12
- *  NXM_NX_REG_W(5)     4       4     4     12
- *  NXM_NX_REG_W(6)     4       4     4     12
- *  NXM_NX_REG_W(7)     4       4     4     12
- *  NXM_NX_TUN_ID_W     4       8     8     20
- *  OXM_OF_METADATA     4       8     8     20
- *  -------------------------------------------
- *  total                                  353
- *
- * So this value is conservative.
- */
-#define NXM_MAX_LEN 400
-
 /* This is my guess at the length of a "typical" nx_match, for use in
  * predicting space requirements. */
 #define NXM_TYPICAL_LEN 64