X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fopenflow%2Fnicira-ext.h;h=241cfe99f3581047adb1d4693b6cc4d67f70dfa9;hb=dc432c2e8159a406e0e45fae4ff49532191b9129;hp=663059f695355d19da7f3734bb98eb4d753cecb5;hpb=9b45d7f5db91cdb41eb0a2124d92885d3b3edcc9;p=openvswitch diff --git a/include/openflow/nicira-ext.h b/include/openflow/nicira-ext.h index 663059f6..241cfe99 100644 --- a/include/openflow/nicira-ext.h +++ b/include/openflow/nicira-ext.h @@ -136,10 +136,7 @@ enum nicira_type { NXT_FLOW_END_CONFIG__OBSOLETE, NXT_FLOW_END__OBSOLETE, NXT_MGMT__OBSOLETE, - - /* Use the high 32 bits of the cookie field as the tunnel ID in the flow - * match. */ - NXT_TUN_ID_FROM_COOKIE, + NXT_TUN_ID_FROM_COOKIE__OBSOLETE, /* Controller role support. The request body is struct nx_role_request. * The reply echos the request. */ @@ -170,16 +167,6 @@ enum nicira_stats_type { NXST_AGGREGATE /* Analogous to OFPST_AGGREGATE. */ }; -/* NXT_TUN_ID_FROM_COOKIE request. */ -struct nxt_tun_id_cookie { - struct ofp_header header; - ovs_be32 vendor; /* NX_VENDOR_ID. */ - ovs_be32 subtype; /* NXT_TUN_ID_FROM_COOKIE */ - uint8_t set; /* Nonzero to enable, zero to disable. */ - uint8_t pad[7]; -}; -OFP_ASSERT(sizeof(struct nxt_tun_id_cookie) == 24); - /* Configures the "role" of the sending controller. The default role is: * * - Other (NX_ROLE_OTHER), which allows the controller access to all @@ -223,7 +210,8 @@ enum nx_action_subtype { NXAST_REG_LOAD, /* struct nx_action_reg_load */ NXAST_NOTE, /* struct nx_action_note */ NXAST_SET_TUNNEL64, /* struct nx_action_set_tunnel64 */ - NXAST_MULTIPATH /* struct nx_action_multipath */ + NXAST_MULTIPATH, /* struct nx_action_multipath */ + NXAST_AUTOPATH /* struct nx_action_autopath */ }; /* Header for Nicira-defined actions. */ @@ -603,12 +591,51 @@ enum nx_mp_algorithm { */ NX_MP_ALG_ITER_HASH /* Iterative Hash. */ }; + +/* Action structure for NXAST_AUTOPATH. + * + * This action performs the following steps in sequence: + * + * 1. Hashes the flow using an implementation-defined hash function. + * + * The hashed fields' values are drawn from the current state of the + * flow, including all modifications that have been made by actions up to + * this point. + * + * 2. Selects an OpenFlow 'port'. + * + * 'port' is selected in an implementation-defined manner, taking into + * account 'id' and the hash value calculated in step 1. + * + * Generally a switch will have been configured with a set of ports that + * may be chosen given 'id'. The switch may take into account any number + * of factors when choosing 'port' from its configured set. Factors may + * include carrier, load, and the results of configuration protocols such + * as LACP. + * + * 3. Stores 'port' in dst[ofs:ofs+n_bits]. + * + * The format and semantics of 'dst' and 'ofs_nbits' are similar to those + * for the NXAST_REG_LOAD action, except that 'dst' must be + * NXM_NX_REG(idx) for 'idx' in the switch's supported range. + * + * The switch will reject actions in which ofs+n_bits is greater than the width + * of 'dst', with error type OFPET_BAD_ACTION, code OFPBAC_BAD_ARGUMENT. + */ +struct nx_action_autopath { + ovs_be16 type; /* OFPAT_VENDOR. */ + ovs_be16 len; /* Length is 20. */ + ovs_be32 vendor; /* NX_VENDOR_ID. */ + ovs_be16 subtype; /* NXAST_MULTIPATH. */ -/* Wildcard for tunnel ID. */ -#define NXFW_TUN_ID (1 << 25) + /* Where to store the result. */ + ovs_be16 ofs_nbits; /* (ofs << 6) | (n_bits - 1). */ + ovs_be32 dst; /* Destination register. */ -#define NXFW_ALL NXFW_TUN_ID -#define OVSFW_ALL (OFPFW_ALL | NXFW_ALL) + ovs_be32 id; /* Autopath ID. */ + ovs_be32 pad; +}; +OFP_ASSERT(sizeof(struct nx_action_autopath) == 24); /* Flexible flow specifications (aka NXM = Nicira Extended Match). * @@ -1119,8 +1146,6 @@ enum nx_mp_algorithm { enum nx_flow_format { NXFF_OPENFLOW10 = 0, /* Standard OpenFlow 1.0 compatible. */ - NXFF_TUN_ID_FROM_COOKIE = 1, /* OpenFlow 1.0, plus obtain tunnel ID from - * cookie. */ NXFF_NXM = 2 /* Nicira extended match. */ };