X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fmeta-flow.h;h=57f6df57f450b270bcd453b61b3029df20d45645;hb=d978fa4832bbc5176e05edd05bcdf2452a8dded2;hp=82bb13f9fce95cc3909f70a210d58d80d615a6f1;hpb=b5e5143b6a808d3463b205c36d49cdd9a9a9e4c3;p=sliver-openvswitch.git diff --git a/lib/meta-flow.h b/lib/meta-flow.h index 82bb13f9f..57f6df57f 100644 --- a/lib/meta-flow.h +++ b/lib/meta-flow.h @@ -24,15 +24,23 @@ #include "ofp-errors.h" #include "packets.h" -struct cls_rule; struct ds; +struct match; /* The comment on each of these indicates the member in "union mf_value" used * to represent its value. */ enum mf_field_id { /* Metadata. */ MFF_TUN_ID, /* be64 */ + MFF_TUN_SRC, /* be32 */ + MFF_TUN_DST, /* be32 */ + MFF_TUN_FLAGS, /* be16 */ + MFF_TUN_TTL, /* u8 */ + MFF_TUN_TOS, /* u8 */ + MFF_METADATA, /* be64 */ MFF_IN_PORT, /* be16 */ + MFF_SKB_PRIORITY, /* be32 */ + MFF_SKB_MARK, /* be32 */ #if FLOW_N_REGS > 0 MFF_REG0, /* be32 */ @@ -57,9 +65,6 @@ enum mf_field_id { #endif #if FLOW_N_REGS > 7 MFF_REG7, /* be32 */ -#endif -#if FLOW_N_REGS > 8 -#error #endif /* L2. */ @@ -68,8 +73,15 @@ enum mf_field_id { MFF_ETH_TYPE, /* be16 */ MFF_VLAN_TCI, /* be16 */ - MFF_VLAN_VID, /* be16 */ - MFF_VLAN_PCP, /* u8 */ + MFF_DL_VLAN, /* be16 (OpenFlow 1.0 compatibility) */ + MFF_VLAN_VID, /* be16 (OpenFlow 1.2 compatibility) */ + MFF_DL_VLAN_PCP, /* u8 (OpenFlow 1.0 compatibility) */ + MFF_VLAN_PCP, /* be16 (OpenFlow 1.2 compatibility) */ + + /* L2.5 */ + MFF_MPLS_LABEL, /* be32 */ + MFF_MPLS_TC, /* u8 */ + MFF_MPLS_BOS, /* u8 */ /* L3. */ MFF_IPV4_SRC, /* be32 */ @@ -112,6 +124,40 @@ enum mf_field_id { MFF_N_IDS }; +/* Use this macro as CASE_MFF_REGS: in a switch statement to choose all of the + * MFF_REGx cases. */ +#if FLOW_N_REGS == 1 +# define CASE_MFF_REGS \ + case MFF_REG0 +#elif FLOW_N_REGS == 2 +# define CASE_MFF_REGS \ + case MFF_REG0: case MFF_REG1 +#elif FLOW_N_REGS == 3 +# define CASE_MFF_REGS \ + case MFF_REG0: case MFF_REG1: case MFF_REG2 +#elif FLOW_N_REGS == 4 +# define CASE_MFF_REGS \ + case MFF_REG0: case MFF_REG1: case MFF_REG2: case MFF_REG3 +#elif FLOW_N_REGS == 5 +# define CASE_MFF_REGS \ + case MFF_REG0: case MFF_REG1: case MFF_REG2: case MFF_REG3: \ + case MFF_REG4 +#elif FLOW_N_REGS == 6 +# define CASE_MFF_REGS \ + case MFF_REG0: case MFF_REG1: case MFF_REG2: case MFF_REG3: \ + case MFF_REG4: case MFF_REG5 +#elif FLOW_N_REGS == 7 +# define CASE_MFF_REGS \ + case MFF_REG0: case MFF_REG1: case MFF_REG2: case MFF_REG3: \ + case MFF_REG4: case MFF_REG5: case MFF_REG6 +#elif FLOW_N_REGS == 8 +# define CASE_MFF_REGS \ + case MFF_REG0: case MFF_REG1: case MFF_REG2: case MFF_REG3: \ + case MFF_REG4: case MFF_REG5: case MFF_REG6: case MFF_REG7 +#else +# error +#endif + /* Prerequisites for matching a field. * * A field may only be matched if the correct lower-level protocols are also @@ -122,10 +168,14 @@ enum mf_prereqs { /* L2 requirements. */ MFP_ARP, + MFP_VLAN_VID, MFP_IPV4, MFP_IPV6, MFP_IP_ANY, + /* L2.5 requirements. */ + MFP_MPLS, + /* L2+L3 requirements. */ MFP_TCP, /* On IPv4 or IPv6. */ MFP_UDP, /* On IPv4 or IPv6. */ @@ -160,7 +210,8 @@ enum mf_string { MFS_IPV4, MFS_IPV6, MFS_OFP_PORT, /* An OpenFlow port number or name. */ - MFS_FRAG /* no, yes, first, later, not_later */ + MFS_FRAG, /* no, yes, first, later, not_later */ + MFS_TNL_FLAGS, /* FLOW_TNL_F_* flags */ }; struct mf_field { @@ -177,13 +228,15 @@ struct mf_field { * - "dl_vlan_pcp" is 1 byte but only 3 bits. * - "is_frag" is 1 byte but only 2 bits. * - "ipv6_label" is 4 bytes but only 20 bits. + * - "mpls_label" is 4 bytes but only 20 bits. + * - "mpls_tc" is 1 byte but only 3 bits. + * - "mpls_bos" is 1 byte but only 1 bit. */ unsigned int n_bytes; /* Width of the field in bytes. */ unsigned int n_bits; /* Number of significant bits in field. */ /* Properties. */ enum mf_maskable maskable; - flow_wildcards_t fww_bit; /* Either 0 or exactly one FWW_* bit. */ enum mf_string string; enum mf_prereqs prereqs; bool writable; /* May be written by actions? */ @@ -260,7 +313,7 @@ void mf_get_mask(const struct mf_field *, const struct flow_wildcards *, /* Prerequisites. */ bool mf_are_prereqs_ok(const struct mf_field *, const struct flow *); -void mf_force_prereqs(const struct mf_field *, struct cls_rule *); +void mf_force_prereqs(const struct mf_field *, struct match *); /* Field values. */ bool mf_is_value_valid(const struct mf_field *, const union mf_value *value); @@ -268,28 +321,26 @@ bool mf_is_value_valid(const struct mf_field *, const union mf_value *value); void mf_get_value(const struct mf_field *, const struct flow *, union mf_value *value); void mf_set_value(const struct mf_field *, const union mf_value *value, - struct cls_rule *); + struct match *); void mf_set_flow_value(const struct mf_field *, const union mf_value *value, struct flow *); bool mf_is_zero(const struct mf_field *, const struct flow *); -void mf_get(const struct mf_field *, const struct cls_rule *, +void mf_get(const struct mf_field *, const struct match *, union mf_value *value, union mf_value *mask); void mf_set(const struct mf_field *, const union mf_value *value, const union mf_value *mask, - struct cls_rule *); + struct match *); -void mf_set_wild(const struct mf_field *, struct cls_rule *); +void mf_set_wild(const struct mf_field *, struct match *); void mf_random_value(const struct mf_field *, union mf_value *value); /* Subfields. */ +void mf_write_subfield_flow(const struct mf_subfield *, + const union mf_subvalue *, struct flow *); void mf_write_subfield(const struct mf_subfield *, const union mf_subvalue *, - struct cls_rule *); -void mf_set_subfield(const struct mf_subfield *, uint64_t value, - struct cls_rule *); -void mf_set_subfield_value(const struct mf_subfield *, uint64_t value, - struct flow *); + struct match *); void mf_read_subfield(const struct mf_subfield *, const struct flow *, union mf_subvalue *); @@ -310,5 +361,6 @@ char *mf_parse_value(const struct mf_field *, const char *, union mf_value *); void mf_format(const struct mf_field *, const union mf_value *value, const union mf_value *mask, struct ds *); +void mf_format_subvalue(const union mf_subvalue *subvalue, struct ds *s); #endif /* meta-flow.h */