X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fofp-actions.h;h=1db3bdee23e85e960b6554638a43d061504c8989;hb=ea96b766c2092609fe850e9d5f6392252a2f5fa2;hp=0876ed702fcb3b55776aacef8606e6c01dd2b84f;hpb=d6fb622dcb9cb048b564621a73cf4165edc857ea;p=sliver-openvswitch.git diff --git a/lib/ofp-actions.h b/lib/ofp-actions.h index 0876ed702..1db3bdee2 100644 --- a/lib/ofp-actions.h +++ b/lib/ofp-actions.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2012, 2013 Nicira, Inc. + * Copyright (c) 2012, 2013, 2014 Nicira, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -17,6 +17,7 @@ #ifndef OFP_ACTIONS_H #define OFP_ACTIONS_H 1 +#include #include #include "meta-flow.h" #include "ofp-errors.h" @@ -58,6 +59,7 @@ DEFINE_OFPACT(BUNDLE, ofpact_bundle, slaves) \ \ /* Header changes. */ \ + DEFINE_OFPACT(SET_FIELD, ofpact_set_field, ofpact) \ 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) \ @@ -66,7 +68,9 @@ DEFINE_OFPACT(SET_ETH_DST, ofpact_mac, ofpact) \ DEFINE_OFPACT(SET_IPV4_SRC, ofpact_ipv4, ofpact) \ DEFINE_OFPACT(SET_IPV4_DST, ofpact_ipv4, ofpact) \ - DEFINE_OFPACT(SET_IPV4_DSCP, ofpact_dscp, ofpact) \ + DEFINE_OFPACT(SET_IP_DSCP, ofpact_dscp, ofpact) \ + DEFINE_OFPACT(SET_IP_ECN, ofpact_ecn, ofpact) \ + DEFINE_OFPACT(SET_IP_TTL, ofpact_ip_ttl, ofpact) \ DEFINE_OFPACT(SET_L4_SRC_PORT, ofpact_l4_port, ofpact) \ DEFINE_OFPACT(SET_L4_DST_PORT, ofpact_l4_port, ofpact) \ DEFINE_OFPACT(REG_MOVE, ofpact_reg_move, ofpact) \ @@ -74,6 +78,8 @@ 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_LABEL, ofpact_mpls_label, ofpact) \ + DEFINE_OFPACT(SET_MPLS_TC, ofpact_mpls_tc, ofpact) \ 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) \ @@ -99,8 +105,8 @@ \ /* Instructions */ \ DEFINE_OFPACT(METER, ofpact_meter, ofpact) \ - /* XXX Write-Actions */ \ DEFINE_OFPACT(CLEAR_ACTIONS, ofpact_null, ofpact) \ + DEFINE_OFPACT(WRITE_ACTIONS, ofpact_nest, ofpact) \ DEFINE_OFPACT(WRITE_METADATA, ofpact_metadata, ofpact) \ DEFINE_OFPACT(GOTO_TABLE, ofpact_goto_table, ofpact) @@ -254,18 +260,32 @@ struct ofpact_bundle { /* OFPACT_SET_VLAN_VID. * - * Used for OFPAT10_SET_VLAN_VID. */ + * We keep track if vlan was present at action validation time to avoid a + * PUSH_VLAN when translating to OpenFlow 1.1+. + * + * We also keep the originating OFPUTIL action code in ofpact.compat. + * + * Used for OFPAT10_SET_VLAN_VID and OFPAT11_SET_VLAN_VID. */ struct ofpact_vlan_vid { struct ofpact ofpact; uint16_t vlan_vid; /* VLAN VID in low 12 bits, 0 in other bits. */ + bool push_vlan_if_needed; /* OF 1.0 semantics if true. */ + bool flow_has_vlan; /* VLAN present at action validation time? */ }; /* OFPACT_SET_VLAN_PCP. * - * Used for OFPAT10_SET_VLAN_PCP. */ + * We keep track if vlan was present at action validation time to avoid a + * PUSH_VLAN when translating to OpenFlow 1.1+. + * + * We also keep the originating OFPUTIL action code in ofpact.compat. + * + * Used for OFPAT10_SET_VLAN_PCP and OFPAT11_SET_VLAN_PCP. */ struct ofpact_vlan_pcp { struct ofpact ofpact; uint8_t vlan_pcp; /* VLAN PCP in low 3 bits, 0 in other bits. */ + bool push_vlan_if_needed; /* OF 1.0 semantics if true. */ + bool flow_has_vlan; /* VLAN present at action validation time? */ }; /* OFPACT_SET_ETH_SRC, OFPACT_SET_ETH_DST. @@ -284,7 +304,7 @@ struct ofpact_ipv4 { ovs_be32 ipv4; }; -/* OFPACT_SET_IPV4_DSCP. +/* OFPACT_SET_IP_DSCP. * * Used for OFPAT10_SET_NW_TOS. */ struct ofpact_dscp { @@ -292,12 +312,29 @@ struct ofpact_dscp { uint8_t dscp; /* DSCP in high 6 bits, rest ignored. */ }; +/* OFPACT_SET_IP_ECN. + * + * Used for OFPAT11_SET_NW_ECN. */ +struct ofpact_ecn { + struct ofpact ofpact; + uint8_t ecn; /* ECN in low 2 bits, rest ignored. */ +}; + +/* OFPACT_SET_IP_TTL. + * + * Used for OFPAT11_SET_NW_TTL. */ +struct ofpact_ip_ttl { + struct ofpact ofpact; + uint8_t ttl; +}; + /* OFPACT_SET_L4_SRC_PORT, OFPACT_SET_L4_DST_PORT. * * Used for OFPAT10_SET_TP_SRC, OFPAT10_SET_TP_DST. */ struct ofpact_l4_port { struct ofpact ofpact; - uint16_t port; /* TCP or UDP port number. */ + uint16_t port; /* TCP, UDP or SCTP port number. */ + uint8_t flow_ip_proto; /* IP proto from corresponding match, or 0 */ }; /* OFPACT_REG_MOVE. @@ -319,13 +356,23 @@ struct ofpact_stack { /* OFPACT_REG_LOAD. * - * Used for NXAST_REG_LOAD, OFPAT12_SET_FIELD. */ + * Used for NXAST_REG_LOAD. */ struct ofpact_reg_load { struct ofpact ofpact; struct mf_subfield dst; union mf_subvalue subvalue; /* Least-significant bits are used. */ }; +/* OFPACT_SET_FIELD. + * + * Used for OFPAT12_SET_FIELD. */ +struct ofpact_set_field { + struct ofpact ofpact; + const struct mf_field *field; + bool flow_has_vlan; /* VLAN present at action validation time. */ + union mf_value value; +}; + /* OFPACT_PUSH_VLAN/MPLS/PBB * * Used for NXAST_PUSH_MPLS, OFPAT11_PUSH_MPLS. */ @@ -384,6 +431,25 @@ struct ofpact_meter { uint32_t meter_id; }; +/* OFPACT_WRITE_ACTIONS. + * + * Used for OFPIT11_WRITE_ACTIONS. */ +struct ofpact_nest { + struct ofpact ofpact; + uint8_t pad[PAD_SIZE(sizeof(struct ofpact), OFPACT_ALIGNTO)]; + struct ofpact actions[]; +}; +BUILD_ASSERT_DECL(offsetof(struct ofpact_nest, actions) % OFPACT_ALIGNTO == 0); + +static inline size_t +ofpact_nest_get_action_len(const struct ofpact_nest *on) +{ + return on->ofpact.len - offsetof(struct ofpact_nest, actions); +} + +void ofpacts_execute_action_set(struct ofpbuf *action_list, + const struct ofpbuf *action_set); + /* OFPACT_RESUBMIT. * * Used for NXAST_RESUBMIT, NXAST_RESUBMIT_TABLE. */ @@ -414,9 +480,9 @@ struct ofpact_learn { uint16_t idle_timeout; /* Idle time before discarding (seconds). */ uint16_t hard_timeout; /* Max time before discarding (seconds). */ uint16_t priority; /* Priority level of flow entry. */ + uint8_t table_id; /* Table to insert flow entry. */ uint64_t cookie; /* Cookie for new flow. */ enum ofputil_flow_mod_flags flags; - uint8_t table_id; /* Table to insert flow entry. */ uint16_t fin_idle_timeout; /* Idle timeout after FIN, if nonzero. */ uint16_t fin_hard_timeout; /* Hard timeout after FIN, if nonzero. */ @@ -474,9 +540,27 @@ struct ofpact_cnt_ids { uint16_t cnt_ids[]; }; +/* OFPACT_SET_MPLS_LABEL. + * + * Used for OFPAT11_SET_MPLS_LABEL and NXAST_SET_MPLS_LABEL */ +struct ofpact_mpls_label { + struct ofpact ofpact; + + ovs_be32 label; +}; + +/* OFPACT_SET_MPLS_TC. + * + * Used for OFPAT11_SET_MPLS_TC and NXAST_SET_MPLS_TC */ +struct ofpact_mpls_tc { + struct ofpact ofpact; + + uint8_t tc; +}; + /* OFPACT_SET_MPLS_TTL. * - * Used for NXAST_SET_MPLS_TTL */ + * Used for OFPAT11_SET_MPLS_TTL and NXAST_SET_MPLS_TTL */ struct ofpact_mpls_ttl { struct ofpact ofpact; @@ -500,28 +584,32 @@ struct ofpact_group { }; /* Converting OpenFlow to ofpacts. */ -enum ofperr ofpacts_pull_openflow10(struct ofpbuf *openflow, - unsigned int actions_len, - struct ofpbuf *ofpacts); -enum ofperr ofpacts_pull_openflow11_actions(struct ofpbuf *openflow, - unsigned int actions_len, - struct ofpbuf *ofpacts); -enum ofperr ofpacts_pull_openflow11_instructions(struct ofpbuf *openflow, - unsigned int instructions_len, - struct ofpbuf *ofpacts); -enum ofperr ofpacts_check(const struct ofpact[], size_t ofpacts_len, +enum ofperr ofpacts_pull_openflow_actions(struct ofpbuf *openflow, + unsigned int actions_len, + enum ofp_version version, + struct ofpbuf *ofpacts); +enum ofperr ofpacts_pull_openflow_instructions(struct ofpbuf *openflow, + unsigned int instructions_len, + enum ofp_version version, + struct ofpbuf *ofpacts); +enum ofperr ofpacts_check(struct ofpact[], size_t ofpacts_len, struct flow *, ofp_port_t max_ports, - uint8_t table_id); + uint8_t table_id, uint8_t n_tables, + enum ofputil_protocol *usable_protocols); +enum ofperr ofpacts_check_consistency(struct ofpact[], size_t ofpacts_len, + struct flow *, ofp_port_t max_ports, + uint8_t table_id, uint8_t n_tables, + enum ofputil_protocol usable_protocols); enum ofperr ofpacts_verify(const struct ofpact ofpacts[], size_t ofpacts_len); +enum ofperr ofpact_check_output_port(ofp_port_t port, ofp_port_t max_ports); /* Converting ofpacts to OpenFlow. */ -void ofpacts_put_openflow10(const struct ofpact[], size_t ofpacts_len, - struct ofpbuf *openflow); -size_t ofpacts_put_openflow11_actions(const struct ofpact[], size_t ofpacts_len, - struct ofpbuf *openflow); -void ofpacts_put_openflow11_instructions(const struct ofpact[], - size_t ofpacts_len, - struct ofpbuf *openflow); +size_t ofpacts_put_openflow_actions(const struct ofpact[], size_t ofpacts_len, + struct ofpbuf *openflow, enum ofp_version); +void ofpacts_put_openflow_instructions(const struct ofpact[], + size_t ofpacts_len, + struct ofpbuf *openflow, + enum ofp_version ofp_version); /* Working with ofpacts. */ bool ofpacts_output_to_port(const struct ofpact[], size_t ofpacts_len, @@ -553,8 +641,8 @@ void *ofpact_put(struct ofpbuf *, enum ofpact_type, size_t len); * After using this function to add a variable-length action, add the * elements of the flexible array (e.g. with ofpbuf_put()), then use * ofpact_update_len() to update the length embedded into the action. - * (Keep in mind the need to refresh the structure from 'ofpacts->l2' after - * adding data to 'ofpacts'.) + * (Keep in mind the need to refresh the structure from 'ofpacts->frame' + * after adding data to 'ofpacts'.) * * struct *ofpact_get_(const struct ofpact *ofpact); * @@ -662,8 +750,7 @@ const char *ovs_instruction_name_from_type(enum ovs_instruction_type type); int ovs_instruction_type_from_name(const char *name); enum ovs_instruction_type ovs_instruction_type_from_ofpact_type( enum ofpact_type); - -void ofpact_set_field_init(struct ofpact_reg_load *load, - const struct mf_field *mf, const void *src); +enum ofperr ovs_instruction_type_from_inst_type( + enum ovs_instruction_type *instruction_type, const uint16_t inst_type); #endif /* ofp-actions.h */