#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;
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)
{
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);
\f
+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:
*
* 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.
*/