X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fofp-actions.h;h=ffceb05b7c7cba1ba587fd53376b16729fbcaa25;hb=add037c6b692db9c66dd0c16dff2d4b1b46c7499;hp=2e021819d4464d71bfe9c7085d9960d21d50e0d3;hpb=a359d5ad700c7175c75134cce3cee8d87d19d67c;p=sliver-openvswitch.git diff --git a/lib/ofp-actions.h b/lib/ofp-actions.h index 2e021819d..ffceb05b7 100644 --- a/lib/ofp-actions.h +++ b/lib/ofp-actions.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2012 Nicira Networks. + * Copyright (c) 2012, 2013 Nicira, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -60,6 +60,7 @@ DEFINE_OFPACT(SET_VLAN_VID, ofpact_vlan_vid, ofpact) \ DEFINE_OFPACT(SET_VLAN_PCP, ofpact_vlan_pcp, ofpact) \ DEFINE_OFPACT(STRIP_VLAN, ofpact_null, ofpact) \ + DEFINE_OFPACT(PUSH_VLAN, ofpact_null, ofpact) \ DEFINE_OFPACT(SET_ETH_SRC, ofpact_mac, ofpact) \ DEFINE_OFPACT(SET_ETH_DST, ofpact_mac, ofpact) \ DEFINE_OFPACT(SET_IPV4_SRC, ofpact_ipv4, ofpact) \ @@ -69,7 +70,13 @@ DEFINE_OFPACT(SET_L4_DST_PORT, ofpact_l4_port, ofpact) \ DEFINE_OFPACT(REG_MOVE, ofpact_reg_move, ofpact) \ DEFINE_OFPACT(REG_LOAD, ofpact_reg_load, ofpact) \ - DEFINE_OFPACT(DEC_TTL, ofpact_null, ofpact) \ + DEFINE_OFPACT(STACK_PUSH, ofpact_stack, ofpact) \ + DEFINE_OFPACT(STACK_POP, ofpact_stack, ofpact) \ + DEFINE_OFPACT(DEC_TTL, ofpact_cnt_ids, cnt_ids) \ + DEFINE_OFPACT(SET_MPLS_TTL, ofpact_mpls_ttl, ofpact) \ + DEFINE_OFPACT(DEC_MPLS_TTL, ofpact_null, ofpact) \ + DEFINE_OFPACT(PUSH_MPLS, ofpact_push_mpls, ofpact) \ + DEFINE_OFPACT(POP_MPLS, ofpact_pop_mpls, ofpact) \ \ /* Metadata. */ \ DEFINE_OFPACT(SET_TUNNEL, ofpact_tunnel, ofpact) \ @@ -83,11 +90,17 @@ \ /* Arithmetic. */ \ DEFINE_OFPACT(MULTIPATH, ofpact_multipath, ofpact) \ - DEFINE_OFPACT(AUTOPATH, ofpact_autopath, ofpact) \ \ /* Other. */ \ DEFINE_OFPACT(NOTE, ofpact_note, data) \ - DEFINE_OFPACT(EXIT, ofpact_null, ofpact) + DEFINE_OFPACT(EXIT, ofpact_null, ofpact) \ + DEFINE_OFPACT(SAMPLE, ofpact_sample, ofpact) \ + \ + /* Instructions */ \ + /* XXX Write-Actions */ \ + DEFINE_OFPACT(WRITE_METADATA, ofpact_metadata, ofpact) \ + DEFINE_OFPACT(CLEAR_ACTIONS, ofpact_null, ofpact) \ + DEFINE_OFPACT(GOTO_TABLE, ofpact_goto_table, ofpact) /* enum ofpact_type, with a member OFPACT_ for each action. */ enum OVS_PACKED_ENUM ofpact_type { @@ -108,7 +121,31 @@ enum { * * Each action is a structure "struct ofpact_*" that begins with "struct * ofpact", usually followed by other data that describes the action. Actions - * are padded out to a multiple of OFPACT_ALIGNTO bytes in length. */ + * are padded out to a multiple of OFPACT_ALIGNTO bytes in length. + * + * The 'compat' member is special: + * + * - Most "struct ofpact"s correspond to one particular kind of OpenFlow + * action, at least in a given OpenFlow version. For example, + * OFPACT_SET_VLAN_VID corresponds to OFPAT10_SET_VLAN_VID in OpenFlow + * 1.0. + * + * For such actions, the 'compat' member is not meaningful and generally + * should be zero. + * + * - A few "struct ofpact"s correspond to multiple OpenFlow actions. For + * example, OFPACT_SET_TUNNEL can be NXAST_SET_TUNNEL or + * NXAST_SET_TUNNEL64. In these cases, if the "struct ofpact" originated + * from OpenFlow, then we want to make sure that, if it gets translated + * back to OpenFlow later, it is translated back to the same action type. + * (Otherwise, we'd violate the promise made in DESIGN, in the "Action + * Reproduction" section.) + * + * For such actions, the 'compat' member should be the original action + * type. (If the action didn't originate from OpenFlow, then setting + * 'compat' to zero should be fine: code to translate the ofpact to + * OpenFlow must tolerate this case.) + */ struct ofpact { enum ofpact_type type; /* OFPACT_*. */ enum ofputil_action_code compat; /* Original type when added, if any. */ @@ -145,9 +182,10 @@ ofpact_end(const struct ofpact *ofpacts, size_t ofpacts_len) /* Action structure for each OFPACT_*. */ -/* OFPACT_STRIP_VLAN, OFPACT_DEC_TTL, OFPACT_POP_QUEUE, OFPACT_EXIT. +/* OFPACT_STRIP_VLAN, OFPACT_POP_QUEUE, OFPACT_EXIT, OFPACT_CLEAR_ACTIONS. * - * Used for OFPAT10_STRIP_VLAN, NXAST_DEC_TTL, NXAST_POP_QUEUE, NXAST_EXIT. + * Used for OFPAT10_STRIP_VLAN, NXAST_POP_QUEUE, NXAST_EXIT, + * OFPAT11_POP_VLAN, OFPIT11_CLEAR_ACTIONS. * * Action structure for actions that do not have any extra data beyond the * action type. */ @@ -269,13 +307,37 @@ struct ofpact_reg_move { struct mf_subfield dst; }; +/* OFPACT_STACK_PUSH. + * + * Used for NXAST_STACK_PUSH and NXAST_STACK_POP. */ +struct ofpact_stack { + struct ofpact ofpact; + struct mf_subfield subfield; +}; + /* OFPACT_REG_LOAD. * - * Used for NXAST_REG_LOAD. */ + * Used for NXAST_REG_LOAD, OFPAT12_SET_FIELD. */ struct ofpact_reg_load { struct ofpact ofpact; struct mf_subfield dst; - uint64_t value; + union mf_subvalue subvalue; /* Least-significant bits are used. */ +}; + +/* OFPACT_PUSH_VLAN/MPLS/PBB + * + * Used for NXAST_PUSH_MPLS, OFPAT11_PUSH_MPLS. */ +struct ofpact_push_mpls { + struct ofpact ofpact; + ovs_be16 ethertype; +}; + +/* OFPACT_POP_MPLS + * + * Used for NXAST_POP_MPLS, OFPAT11_POP_MPLS.. */ +struct ofpact_pop_mpls { + struct ofpact ofpact; + ovs_be16 ethertype; }; /* OFPACT_SET_TUNNEL. @@ -303,6 +365,15 @@ struct ofpact_fin_timeout { uint16_t fin_hard_timeout; }; +/* OFPACT_WRITE_METADATA. + * + * Used for NXAST_WRITE_METADATA. */ +struct ofpact_metadata { + struct ofpact ofpact; + ovs_be64 metadata; + ovs_be64 mask; +}; + /* OFPACT_RESUBMIT. * * Used for NXAST_RESUBMIT, NXAST_RESUBMIT_TABLE. */ @@ -362,15 +433,6 @@ struct ofpact_multipath { struct mf_subfield dst; }; -/* OFPACT_AUTOPATH. - * - * Used for NXAST_AUTOPATH. */ -struct ofpact_autopath { - struct ofpact ofpact; - struct mf_subfield dst; - uint32_t port; -}; - /* OFPACT_NOTE. * * Used for NXAST_NOTE. */ @@ -380,6 +442,45 @@ struct ofpact_note { uint8_t data[]; }; +/* OFPACT_SAMPLE. + * + * Used for NXAST_SAMPLE. */ +struct ofpact_sample { + struct ofpact ofpact; + uint16_t probability; // Always >0. + uint32_t collector_set_id; + uint32_t obs_domain_id; + uint32_t obs_point_id; +}; + +/* OFPACT_DEC_TTL. + * + * Used for OFPAT11_DEC_NW_TTL, NXAST_DEC_TTL and NXAST_DEC_TTL_CNT_IDS. */ +struct ofpact_cnt_ids { + struct ofpact ofpact; + + /* Controller ids. */ + unsigned int n_controllers; + uint16_t cnt_ids[]; +}; + +/* OFPACT_SET_MPLS_TTL. + * + * Used for NXAST_SET_MPLS_TTL */ +struct ofpact_mpls_ttl { + struct ofpact ofpact; + + uint8_t ttl; +}; + +/* OFPACT_GOTO_TABLE + * + * Used for OFPIT11_GOTO_TABLE */ +struct ofpact_goto_table { + struct ofpact ofpact; + uint8_t table_id; +}; + /* Converting OpenFlow to ofpacts. */ enum ofperr ofpacts_pull_openflow10(struct ofpbuf *openflow, unsigned int actions_len, @@ -392,6 +493,7 @@ enum ofperr ofpacts_pull_openflow11_instructions(struct ofpbuf *openflow, struct ofpbuf *ofpacts); enum ofperr ofpacts_check(const struct ofpact[], size_t ofpacts_len, const struct flow *, int max_ports); +enum ofperr ofpacts_verify(const struct ofpact ofpacts[], size_t ofpacts_len); /* Converting ofpacts to OpenFlow. */ void ofpacts_put_openflow10(const struct ofpact[], size_t ofpacts_len, @@ -469,7 +571,7 @@ void *ofpact_put(struct ofpbuf *, enum ofpact_type, size_t len); static inline struct STRUCT * \ ofpact_get_##ENUM(const struct ofpact *ofpact) \ { \ - assert(ofpact->type == OFPACT_##ENUM); \ + ovs_assert(ofpact->type == OFPACT_##ENUM); \ return (struct STRUCT *) ofpact; \ } \ \ @@ -530,7 +632,20 @@ enum { #undef DEFINE_INST }; + +static inline bool +ofpact_is_instruction(const struct ofpact *a) +{ + /* XXX Write-Actions */ + return a->type == OFPACT_CLEAR_ACTIONS + || a->type == OFPACT_WRITE_METADATA + || a->type == OFPACT_GOTO_TABLE; +} + const char *ofpact_instruction_name_from_type(enum ovs_instruction_type type); int ofpact_instruction_type_from_name(const char *name); +void ofpact_set_field_init(struct ofpact_reg_load *load, + const struct mf_field *mf, const void *src); + #endif /* ofp-actions.h */