X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=lib%2Fnx-match.h;h=592d46fb8377dfba7a09eded3379a3f99260af94;hb=8017806940cfeaba963d6a6f51ae7573cbea6792;hp=c1892873be4f417d2532d37ff6549e2ed078cb76;hpb=90bf1e0732ac9b11dd51ca856b635cac1f0269c1;p=openvswitch

diff --git a/lib/nx-match.h b/lib/nx-match.h
index c1892873..592d46fb 100644
--- a/lib/nx-match.h
+++ b/lib/nx-match.h
@@ -20,12 +20,14 @@
 #include <stdint.h>
 #include <sys/types.h>
 #include <netinet/in.h>
+#include "flow.h"
 #include "openvswitch/types.h"
 #include "ofp-errors.h"
 
 struct cls_rule;
 struct ds;
 struct flow;
+struct mf_subfield;
 struct ofpbuf;
 struct nx_action_reg_load;
 struct nx_action_reg_move;
@@ -47,37 +49,24 @@ int nx_put_match(struct ofpbuf *, const struct cls_rule *,
 char *nx_match_to_string(const uint8_t *, unsigned int match_len);
 int nx_match_from_string(const char *, struct ofpbuf *);
 
-uint64_t nxm_read_field_bits(ovs_be32 header, ovs_be16 ofs_nbits,
-                             const struct flow *);
-
 void nxm_parse_reg_move(struct nx_action_reg_move *, const char *);
 void nxm_parse_reg_load(struct nx_action_reg_load *, const char *);
 
 void nxm_format_reg_move(const struct nx_action_reg_move *, struct ds *);
 void nxm_format_reg_load(const struct nx_action_reg_load *, struct ds *);
 
-int nxm_check_reg_move(const struct nx_action_reg_move *, const struct flow *);
+enum ofperr nxm_check_reg_move(const struct nx_action_reg_move *,
+                               const struct flow *);
 enum ofperr nxm_check_reg_load(const struct nx_action_reg_load *,
                                const struct flow *);
-enum ofperr nxm_src_check(ovs_be32 src, unsigned int ofs, unsigned int n_bits,
-                          const struct flow *);
-enum ofperr nxm_dst_check(ovs_be32 dst, unsigned int ofs, unsigned int n_bits,
-                          const struct flow *);
 
 void nxm_execute_reg_move(const struct nx_action_reg_move *, struct flow *);
 void nxm_execute_reg_load(const struct nx_action_reg_load *, struct flow *);
-void nxm_reg_load(ovs_be32 dst, ovs_be16 ofs_nbits, uint64_t src_data,
-                  struct flow *);
 
 int nxm_field_bytes(uint32_t header);
 int nxm_field_bits(uint32_t header);
 
-const char *nxm_parse_field_bits(const char *s,
-                                 uint32_t *headerp, int *ofsp, int *n_bitsp);
-void nxm_format_field_bits(struct ds *, uint32_t header, int ofs, int n_bits);
-
-/* Dealing with the 'ofs_nbits' members of struct nx_action_reg_load and struct
- * nx_action_multipath. */
+/* Dealing with the 'ofs_nbits' members in several Nicira extensions. */
 
 static inline ovs_be16
 nxm_encode_ofs_nbits(int ofs, int n_bits)
@@ -96,7 +85,12 @@ nxm_decode_n_bits(ovs_be16 ofs_nbits)
 {
     return (ntohs(ofs_nbits) & 0x3f) + 1;
 }
+
+void nxm_decode(struct mf_subfield *, ovs_be32 header, ovs_be16 ofs_nbits);
+void nxm_decode_discrete(struct mf_subfield *, ovs_be32 header,
+                         ovs_be16 ofs, ovs_be16 n_bits);
 
+BUILD_ASSERT_DECL(FLOW_WC_SEQ == 9);
 /* Upper bound on the length of an nx_match.  The longest nx_match (an
  * IPV6 neighbor discovery message using 5 registers) would be:
  *
@@ -124,9 +118,12 @@ nxm_decode_n_bits(ovs_be16 ofs_nbits)
  *  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
  *  -------------------------------------------
- *  total                                  275
+ *  total                                  311
  *
  * So this value is conservative.
  */