X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fofp-util.c;h=c66cd40079bf6c7160af7e843a3cbfd6bc3d3765;hb=305b76debf72120672a8ba81d3356b6dccb1da9a;hp=c2e97384639a14b9fd1e51a7a26b0a99ac201c55;hpb=85813857630f6a09786f3ab2b2129a8513491e64;p=sliver-openvswitch.git diff --git a/lib/ofp-util.c b/lib/ofp-util.c index c2e973846..c66cd4007 100644 --- a/lib/ofp-util.c +++ b/lib/ofp-util.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc. + * Copyright (c) 2008, 2009, 2010, 2011, 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. @@ -85,7 +85,7 @@ ofputil_netmask_to_wcbits(ovs_be32 netmask) void ofputil_wildcard_from_ofpfw10(uint32_t ofpfw, struct flow_wildcards *wc) { - BUILD_ASSERT_DECL(FLOW_WC_SEQ == 17); + BUILD_ASSERT_DECL(FLOW_WC_SEQ == 18); /* Initialize most of wc. */ flow_wildcards_init_catchall(wc); @@ -583,37 +583,52 @@ struct proto_abbrev { static const struct proto_abbrev proto_abbrevs[] = { { OFPUTIL_P_ANY, "any" }, { OFPUTIL_P_OF10_STD_ANY, "OpenFlow10" }, - { OFPUTIL_P_OF10_NXM_ANY, "NXM" }, + { OFPUTIL_P_OF10_NXM_ANY, "NXM" }, + { OFPUTIL_P_ANY_OXM, "OXM" }, }; #define N_PROTO_ABBREVS ARRAY_SIZE(proto_abbrevs) enum ofputil_protocol ofputil_flow_dump_protocols[] = { + OFPUTIL_P_OF13_OXM, + OFPUTIL_P_OF12_OXM, OFPUTIL_P_OF10_NXM, OFPUTIL_P_OF10_STD, }; size_t ofputil_n_flow_dump_protocols = ARRAY_SIZE(ofputil_flow_dump_protocols); -/* Returns the ofputil_protocol that is initially in effect on an OpenFlow - * connection that has negotiated the given 'version'. 'version' should - * normally be an 8-bit OpenFlow version identifier (e.g. 0x01 for OpenFlow - * 1.0, 0x02 for OpenFlow 1.1). Returns 0 if 'version' is not supported or - * outside the valid range. */ +/* Returns the set of ofputil_protocols that are supported with the given + * OpenFlow 'version'. 'version' should normally be an 8-bit OpenFlow version + * identifier (e.g. 0x01 for OpenFlow 1.0, 0x02 for OpenFlow 1.1). Returns 0 + * if 'version' is not supported or outside the valid range. */ enum ofputil_protocol -ofputil_protocol_from_ofp_version(enum ofp_version version) +ofputil_protocols_from_ofp_version(enum ofp_version version) { switch (version) { case OFP10_VERSION: - return OFPUTIL_P_OF10_STD; + return OFPUTIL_P_OF10_STD_ANY | OFPUTIL_P_OF10_NXM_ANY; case OFP12_VERSION: return OFPUTIL_P_OF12_OXM; + case OFP13_VERSION: + return OFPUTIL_P_OF13_OXM; case OFP11_VERSION: default: return 0; } } +/* Returns the ofputil_protocol that is initially in effect on an OpenFlow + * connection that has negotiated the given 'version'. 'version' should + * normally be an 8-bit OpenFlow version identifier (e.g. 0x01 for OpenFlow + * 1.0, 0x02 for OpenFlow 1.1). Returns 0 if 'version' is not supported or + * outside the valid range. */ +enum ofputil_protocol +ofputil_protocol_from_ofp_version(enum ofp_version version) +{ + return rightmost_1bit(ofputil_protocols_from_ofp_version(version)); +} + /* Returns the OpenFlow protocol version number (e.g. OFP10_VERSION, - * OFP11_VERSION or OFP12_VERSION) that corresponds to 'protocol'. */ + * etc.) that corresponds to 'protocol'. */ enum ofp_version ofputil_protocol_to_ofp_version(enum ofputil_protocol protocol) { @@ -625,11 +640,45 @@ ofputil_protocol_to_ofp_version(enum ofputil_protocol protocol) return OFP10_VERSION; case OFPUTIL_P_OF12_OXM: return OFP12_VERSION; + case OFPUTIL_P_OF13_OXM: + return OFP13_VERSION; } NOT_REACHED(); } +/* Returns a bitmap of OpenFlow versions that are supported by at + * least one of the 'protocols'. */ +uint32_t +ofputil_protocols_to_version_bitmap(enum ofputil_protocol protocols) +{ + uint32_t bitmap = 0; + + for (; protocols; protocols = zero_rightmost_1bit(protocols)) { + enum ofputil_protocol protocol = rightmost_1bit(protocols); + + bitmap |= 1u << ofputil_protocol_to_ofp_version(protocol); + } + + return bitmap; +} + +/* Returns the set of protocols that are supported on top of the + * OpenFlow versions included in 'bitmap'. */ +enum ofputil_protocol +ofputil_protocols_from_version_bitmap(uint32_t bitmap) +{ + enum ofputil_protocol protocols = 0; + + for (; bitmap; bitmap = zero_rightmost_1bit(bitmap)) { + enum ofp_version version = rightmost_1bit_idx(bitmap); + + protocols |= ofputil_protocols_from_ofp_version(version); + } + + return protocols; +} + /* Returns true if 'protocol' is a single OFPUTIL_P_* value, false * otherwise. */ bool @@ -663,6 +712,9 @@ ofputil_protocol_set_tid(enum ofputil_protocol protocol, bool enable) case OFPUTIL_P_OF12_OXM: return OFPUTIL_P_OF12_OXM; + case OFPUTIL_P_OF13_OXM: + return OFPUTIL_P_OF13_OXM; + default: NOT_REACHED(); } @@ -697,6 +749,9 @@ ofputil_protocol_set_base(enum ofputil_protocol cur, case OFPUTIL_P_OF12_OXM: return ofputil_protocol_set_tid(OFPUTIL_P_OF12_OXM, tid); + case OFPUTIL_P_OF13_OXM: + return ofputil_protocol_set_tid(OFPUTIL_P_OF13_OXM, tid); + default: NOT_REACHED(); } @@ -726,7 +781,10 @@ ofputil_protocol_to_string(enum ofputil_protocol protocol) return "OpenFlow10+table_id"; case OFPUTIL_P_OF12_OXM: - return NULL; + return "OXM-OpenFlow12"; + + case OFPUTIL_P_OF13_OXM: + return "OXM-OpenFlow13"; } /* Check abbreviations. */ @@ -749,7 +807,7 @@ ofputil_protocols_to_string(enum ofputil_protocol protocols) { struct ds s; - assert(!(protocols & ~OFPUTIL_P_ANY)); + ovs_assert(!(protocols & ~OFPUTIL_P_ANY)); if (protocols == 0) { return xstrdup("none"); } @@ -847,7 +905,7 @@ ofputil_protocols_from_string(const char *s) return protocols; } -static enum ofp_version +static int ofputil_version_from_string(const char *s) { if (!strcasecmp(s, "OpenFlow10")) { @@ -859,7 +917,10 @@ ofputil_version_from_string(const char *s) if (!strcasecmp(s, "OpenFlow12")) { return OFP12_VERSION; } - VLOG_FATAL("Unknown OpenFlow version: \"%s\"", s); + if (!strcasecmp(s, "OpenFlow13")) { + return OFP13_VERSION; + } + return 0; } static bool @@ -876,7 +937,7 @@ ofputil_versions_from_string(const char *s) while (s[i]) { size_t j; - enum ofp_version version; + int version; char *key; if (is_delimiter(s[i])) { @@ -889,6 +950,9 @@ ofputil_versions_from_string(const char *s) } key = xmemdup0(s + i, j); version = ofputil_version_from_string(key); + if (!version) { + VLOG_FATAL("Unknown OpenFlow version: \"%s\"", key); + } free(key); bitmap |= 1u << version; i += j; @@ -897,6 +961,23 @@ ofputil_versions_from_string(const char *s) return bitmap; } +uint32_t +ofputil_versions_from_strings(char ** const s, size_t count) +{ + uint32_t bitmap = 0; + + while (count--) { + int version = ofputil_version_from_string(s[count]); + if (!version) { + VLOG_WARN("Unknown OpenFlow version: \"%s\"", s[count]); + } else { + bitmap |= 1u << version; + } + } + + return bitmap; +} + const char * ofputil_version_to_string(enum ofp_version ofp_version) { @@ -907,6 +988,8 @@ ofputil_version_to_string(enum ofp_version ofp_version) return "OpenFlow11"; case OFP12_VERSION: return "OpenFlow12"; + case OFP13_VERSION: + return "OpenFlow13"; default: NOT_REACHED(); } @@ -958,6 +1041,16 @@ regs_fully_wildcarded(const struct flow_wildcards *wc) return true; } +static bool +tun_parms_fully_wildcarded(const struct flow_wildcards *wc) +{ + return (!wc->masks.tunnel.ip_src && + !wc->masks.tunnel.ip_dst && + !wc->masks.tunnel.ip_ttl && + !wc->masks.tunnel.ip_tos && + !wc->masks.tunnel.flags); +} + /* Returns a bit-mask of ofputil_protocols that can be used for sending 'match' * to a switch (e.g. to add or remove a flow). Only NXM can handle tunnel IDs, * registers, or fixing the Ethernet multicast bit. Otherwise, it's better to @@ -967,73 +1060,96 @@ ofputil_usable_protocols(const struct match *match) { const struct flow_wildcards *wc = &match->wc; - BUILD_ASSERT_DECL(FLOW_WC_SEQ == 17); + BUILD_ASSERT_DECL(FLOW_WC_SEQ == 18); + + /* tunnel params other than tun_id can't be sent in a flow_mod */ + if (!tun_parms_fully_wildcarded(wc)) { + return OFPUTIL_P_NONE; + } - /* NXM and OF1.1+ supports bitwise matching on ethernet addresses. */ + /* skb_mark and skb_priority can't be sent in a flow_mod */ + if (wc->masks.skb_mark || wc->masks.skb_priority) { + return OFPUTIL_P_NONE; + } + + /* NXM, OXM, and OF1.1 support bitwise matching on ethernet addresses. */ if (!eth_mask_is_exact(wc->masks.dl_src) && !eth_addr_is_zero(wc->masks.dl_src)) { - return OFPUTIL_P_OF10_NXM_ANY; + return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM + | OFPUTIL_P_OF13_OXM; } if (!eth_mask_is_exact(wc->masks.dl_dst) && !eth_addr_is_zero(wc->masks.dl_dst)) { - return OFPUTIL_P_OF10_NXM_ANY; + return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM + | OFPUTIL_P_OF13_OXM; } - /* NXM and OF1.1+ support matching metadata. */ + /* NXM, OXM, and OF1.1+ support matching metadata. */ if (wc->masks.metadata != htonll(0)) { - return OFPUTIL_P_OF10_NXM_ANY; + return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM + | OFPUTIL_P_OF13_OXM; } - /* Only NXM supports matching ARP hardware addresses. */ + /* NXM and OXM support matching ARP hardware addresses. */ if (!eth_addr_is_zero(wc->masks.arp_sha) || !eth_addr_is_zero(wc->masks.arp_tha)) { - return OFPUTIL_P_OF10_NXM_ANY; + return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM + | OFPUTIL_P_OF13_OXM; } - /* Only NXM supports matching IPv6 traffic. */ + /* NXM and OXM support matching IPv6 traffic. */ if (match->flow.dl_type == htons(ETH_TYPE_IPV6)) { - return OFPUTIL_P_OF10_NXM_ANY; + return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM + | OFPUTIL_P_OF13_OXM; } - /* Only NXM supports matching registers. */ + /* NXM and OXM support matching registers. */ if (!regs_fully_wildcarded(wc)) { - return OFPUTIL_P_OF10_NXM_ANY; + return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM + | OFPUTIL_P_OF13_OXM; } - /* Only NXM supports matching tun_id. */ + /* NXM and OXM support matching tun_id. */ if (wc->masks.tunnel.tun_id != htonll(0)) { - return OFPUTIL_P_OF10_NXM_ANY; + return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM + | OFPUTIL_P_OF13_OXM; } - /* Only NXM supports matching fragments. */ + /* NXM and OXM support matching fragments. */ if (wc->masks.nw_frag) { - return OFPUTIL_P_OF10_NXM_ANY; + return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM + | OFPUTIL_P_OF13_OXM; } - /* Only NXM supports matching IPv6 flow label. */ + /* NXM and OXM support matching IPv6 flow label. */ if (wc->masks.ipv6_label) { - return OFPUTIL_P_OF10_NXM_ANY; + return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM + | OFPUTIL_P_OF13_OXM; } - /* Only NXM supports matching IP ECN bits. */ + /* NXM and OXM support matching IP ECN bits. */ if (wc->masks.nw_tos & IP_ECN_MASK) { - return OFPUTIL_P_OF10_NXM_ANY; + return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM + | OFPUTIL_P_OF13_OXM; } - /* Only NXM supports matching IP TTL/hop limit. */ + /* NXM and OXM support matching IP TTL/hop limit. */ if (wc->masks.nw_ttl) { - return OFPUTIL_P_OF10_NXM_ANY; + return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM + | OFPUTIL_P_OF13_OXM; } - /* Only NXM supports non-CIDR IPv4 address masks. */ + /* NXM and OXM support non-CIDR IPv4 address masks. */ if (!ip_is_cidr(wc->masks.nw_src) || !ip_is_cidr(wc->masks.nw_dst)) { - return OFPUTIL_P_OF10_NXM_ANY; + return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM + | OFPUTIL_P_OF13_OXM; } - /* Only NXM supports bitwise matching on transport port. */ + /* NXM and OXM support bitwise matching on transport port. */ if ((wc->masks.tp_src && wc->masks.tp_src != htons(UINT16_MAX)) || (wc->masks.tp_dst && wc->masks.tp_dst != htons(UINT16_MAX))) { - return OFPUTIL_P_OF10_NXM_ANY; + return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM + | OFPUTIL_P_OF13_OXM; } /* Other formats can express this rule. */ @@ -1201,15 +1317,25 @@ ofputil_encode_hello(uint32_t allowed_versions) * connection if the switch processes the returned message correctly. (If * '*next != want' then the caller will have to iterate.) * - * If 'current == want', returns NULL and stores 'current' in '*next'. */ + * If 'current == want', or if it is not possible to transition from 'current' + * to 'want' (because, for example, 'current' and 'want' use different OpenFlow + * protocol versions), returns NULL and stores 'current' in '*next'. */ struct ofpbuf * ofputil_encode_set_protocol(enum ofputil_protocol current, enum ofputil_protocol want, enum ofputil_protocol *next) { + enum ofp_version cur_version, want_version; enum ofputil_protocol cur_base, want_base; bool cur_tid, want_tid; + cur_version = ofputil_protocol_to_ofp_version(current); + want_version = ofputil_protocol_to_ofp_version(want); + if (cur_version != want_version) { + *next = current; + return NULL; + } + cur_base = ofputil_protocol_to_base(current); want_base = ofputil_protocol_to_base(want); if (cur_base != want_base) { @@ -1223,7 +1349,10 @@ ofputil_encode_set_protocol(enum ofputil_protocol current, return ofputil_encode_nx_set_flow_format(NXFF_OPENFLOW10); case OFPUTIL_P_OF12_OXM: - return ofputil_encode_nx_set_flow_format(NXFF_OPENFLOW12); + case OFPUTIL_P_OF13_OXM: + /* There are only one of each OpenFlow 1.2+ protocols and we already + * verified above that we're not trying to change versions. */ + NOT_REACHED(); case OFPUTIL_P_OF10_STD_TID: case OFPUTIL_P_OF10_NXM_TID: @@ -1238,7 +1367,7 @@ ofputil_encode_set_protocol(enum ofputil_protocol current, return ofputil_make_flow_mod_table_id(want_tid); } - assert(current == want); + ovs_assert(current == want); *next = current; return NULL; @@ -1252,7 +1381,7 @@ ofputil_encode_nx_set_flow_format(enum nx_flow_format nxff) struct nx_set_flow_format *sff; struct ofpbuf *msg; - assert(ofputil_nx_flow_format_is_valid(nxff)); + ovs_assert(ofputil_nx_flow_format_is_valid(nxff)); msg = ofpraw_alloc(OFPRAW_NXT_SET_FLOW_FORMAT, OFP10_VERSION, 0); sff = ofpbuf_put_zeros(msg, sizeof *sff); @@ -1273,9 +1402,6 @@ ofputil_nx_flow_format_to_protocol(enum nx_flow_format flow_format) case NXFF_NXM: return OFPUTIL_P_OF10_NXM; - case NXFF_OPENFLOW12: - return OFPUTIL_P_OF12_OXM; - default: return 0; } @@ -1298,8 +1424,6 @@ ofputil_nx_flow_format_to_string(enum nx_flow_format flow_format) return "openflow10"; case NXFF_NXM: return "nxm"; - case NXFF_OPENFLOW12: - return "openflow12"; default: NOT_REACHED(); } @@ -1392,7 +1516,9 @@ ofputil_decode_flow_mod(struct ofputil_flow_mod *fm, if (error) { return error; } - if (ofm->out_group != htonl(OFPG_ANY)) { + if ((ofm->command == OFPFC_DELETE + || ofm->command == OFPFC_DELETE_STRICT) + && ofm->out_group != htonl(OFPG_ANY)) { return OFPERR_OFPFMFC_UNKNOWN; } fm->flags = ntohs(ofm->flags); @@ -1466,6 +1592,18 @@ ofputil_decode_flow_mod(struct ofputil_flow_mod *fm, NOT_REACHED(); } + if (fm->flags & OFPFF10_EMERG) { + /* We do not support the OpenFlow 1.0 emergency flow cache, which + * is not required in OpenFlow 1.0.1 and removed from OpenFlow 1.1. + * + * OpenFlow 1.0 specifies the error code to use when idle_timeout + * or hard_timeout is nonzero. Otherwise, there is no good error + * code, so just state that the flow table is full. */ + return (fm->hard_timeout || fm->idle_timeout + ? OFPERR_OFPFMFC_BAD_EMERG_TIMEOUT + : OFPERR_OFPFMFC_TABLE_FULL); + } + if (protocol & OFPUTIL_P_TID) { fm->command = command & 0xff; fm->table_id = command >> 8; @@ -1499,10 +1637,12 @@ ofputil_encode_flow_mod(const struct ofputil_flow_mod *fm, struct ofpbuf *msg; switch (protocol) { - case OFPUTIL_P_OF12_OXM: { + case OFPUTIL_P_OF12_OXM: + case OFPUTIL_P_OF13_OXM: { struct ofp11_flow_mod *ofm; - msg = ofpraw_alloc(OFPRAW_OFPT11_FLOW_MOD, OFP12_VERSION, + msg = ofpraw_alloc(OFPRAW_OFPT11_FLOW_MOD, + ofputil_protocol_to_ofp_version(protocol), NXM_TYPICAL_LEN + fm->ofpacts_len); ofm = ofpbuf_put_zeros(msg, sizeof *ofm); if (fm->command == OFPFC_ADD) { @@ -1597,12 +1737,12 @@ ofputil_flow_mod_usable_protocols(const struct ofputil_flow_mod *fms, usable_protocols &= OFPUTIL_P_TID; } - /* Matching of the cookie is only supported through NXM. */ + /* Matching of the cookie is only supported through NXM or OF1.1+. */ if (fm->cookie_mask != htonll(0)) { - usable_protocols &= OFPUTIL_P_OF10_NXM_ANY; + usable_protocols &= OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM + | OFPUTIL_P_OF13_OXM; } } - assert(usable_protocols); return usable_protocols; } @@ -1720,13 +1860,15 @@ ofputil_encode_flow_stats_request(const struct ofputil_flow_stats_request *fsr, enum ofpraw raw; switch (protocol) { - case OFPUTIL_P_OF12_OXM: { + case OFPUTIL_P_OF12_OXM: + case OFPUTIL_P_OF13_OXM: { struct ofp11_flow_stats_request *ofsr; raw = (fsr->aggregate ? OFPRAW_OFPST11_AGGREGATE_REQUEST : OFPRAW_OFPST11_FLOW_REQUEST); - msg = ofpraw_alloc(raw, OFP12_VERSION, NXM_TYPICAL_LEN); + msg = ofpraw_alloc(raw, ofputil_protocol_to_ofp_version(protocol), + NXM_TYPICAL_LEN); ofsr = ofpbuf_put_zeros(msg, sizeof *ofsr); ofsr->table_id = fsr->table_id; ofsr->out_port = ofputil_port_to_ofp11(fsr->out_port); @@ -1791,7 +1933,8 @@ ofputil_flow_stats_request_usable_protocols( usable_protocols = ofputil_usable_protocols(&fsr->match); if (fsr->cookie_mask != htonll(0)) { - usable_protocols &= OFPUTIL_P_OF10_NXM_ANY; + usable_protocols &= OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM + | OFPUTIL_P_OF13_OXM; } return usable_protocols; } @@ -1834,7 +1977,8 @@ ofputil_decode_flow_stats_reply(struct ofputil_flow_stats *fs, if (!msg->size) { return EOF; - } else if (raw == OFPRAW_OFPST11_FLOW_REPLY) { + } else if (raw == OFPRAW_OFPST11_FLOW_REPLY + || raw == OFPRAW_OFPST13_FLOW_REPLY) { const struct ofp11_flow_stats *ofs; size_t length; uint16_t padded_match_len; @@ -1870,6 +2014,7 @@ ofputil_decode_flow_stats_reply(struct ofputil_flow_stats *fs, fs->duration_nsec = ntohl(ofs->duration_nsec); fs->idle_timeout = ntohs(ofs->idle_timeout); fs->hard_timeout = ntohs(ofs->hard_timeout); + fs->flags = (raw == OFPRAW_OFPST13_FLOW_REPLY) ? ntohs(ofs->flags) : 0; fs->idle_age = -1; fs->hard_age = -1; fs->cookie = ofs->cookie; @@ -1909,6 +2054,7 @@ ofputil_decode_flow_stats_reply(struct ofputil_flow_stats *fs, fs->hard_age = -1; fs->packet_count = ntohll(get_32aligned_be64(&ofs->packet_count)); fs->byte_count = ntohll(get_32aligned_be64(&ofs->byte_count)); + fs->flags = 0; } else if (raw == OFPRAW_NXST_FLOW_REPLY) { const struct nx_flow_stats *nfs; size_t match_len, actions_len, length; @@ -1955,6 +2101,7 @@ ofputil_decode_flow_stats_reply(struct ofputil_flow_stats *fs, } fs->packet_count = ntohll(nfs->packet_count); fs->byte_count = ntohll(nfs->byte_count); + fs->flags = 0; } else { NOT_REACHED(); } @@ -1987,7 +2134,7 @@ ofputil_append_flow_stats_reply(const struct ofputil_flow_stats *fs, enum ofpraw raw; ofpraw_decode_partial(&raw, reply->data, reply->size); - if (raw == OFPRAW_OFPST11_FLOW_REPLY) { + if (raw == OFPRAW_OFPST11_FLOW_REPLY || raw == OFPRAW_OFPST13_FLOW_REPLY) { struct ofp11_flow_stats *ofs; ofpbuf_put_uninit(reply, sizeof *ofs); @@ -2004,6 +2151,7 @@ ofputil_append_flow_stats_reply(const struct ofputil_flow_stats *fs, ofs->priority = htons(fs->priority); ofs->idle_timeout = htons(fs->idle_timeout); ofs->hard_timeout = htons(fs->hard_timeout); + ofs->flags = (raw == OFPRAW_OFPST13_FLOW_REPLY) ? htons(fs->flags) : 0; memset(ofs->pad2, 0, sizeof ofs->pad2); ofs->cookie = fs->cookie; ofs->packet_count = htonll(unknown_to_zero(fs->packet_count)); @@ -2147,7 +2295,7 @@ ofputil_decode_flow_removed(struct ofputil_flow_removed *fr, fr->packet_count = ntohll(ofr->packet_count); fr->byte_count = ntohll(ofr->byte_count); } else if (raw == OFPRAW_OFPT10_FLOW_REMOVED) { - const struct ofp_flow_removed *ofr; + const struct ofp10_flow_removed *ofr; ofr = ofpbuf_pull(&b, sizeof *ofr); @@ -2203,7 +2351,8 @@ ofputil_encode_flow_removed(const struct ofputil_flow_removed *fr, struct ofpbuf *msg; switch (protocol) { - case OFPUTIL_P_OF12_OXM: { + case OFPUTIL_P_OF12_OXM: + case OFPUTIL_P_OF13_OXM: { struct ofp12_flow_removed *ofr; msg = ofpraw_alloc_xid(OFPRAW_OFPT11_FLOW_REMOVED, @@ -2226,7 +2375,7 @@ ofputil_encode_flow_removed(const struct ofputil_flow_removed *fr, case OFPUTIL_P_OF10_STD: case OFPUTIL_P_OF10_STD_TID: { - struct ofp_flow_removed *ofr; + struct ofp10_flow_removed *ofr; msg = ofpraw_alloc_xid(OFPRAW_OFPT10_FLOW_REMOVED, OFP10_VERSION, htonl(0), 0); @@ -2297,12 +2446,19 @@ ofputil_decode_packet_in(struct ofputil_packet_in *pin, ofpbuf_use_const(&b, oh, ntohs(oh->length)); raw = ofpraw_pull_assert(&b); - if (raw == OFPRAW_OFPT12_PACKET_IN) { - const struct ofp12_packet_in *opi; + if (raw == OFPRAW_OFPT13_PACKET_IN || raw == OFPRAW_OFPT12_PACKET_IN) { + const struct ofp13_packet_in *opi; struct match match; int error; + size_t packet_in_size; + + if (raw == OFPRAW_OFPT12_PACKET_IN) { + packet_in_size = sizeof (struct ofp12_packet_in); + } else { + packet_in_size = sizeof (struct ofp13_packet_in); + } - opi = ofpbuf_pull(&b, sizeof *opi); + opi = ofpbuf_pull(&b, packet_in_size); error = oxm_pull_match_loose(&b, &match); if (error) { return error; @@ -2312,17 +2468,20 @@ ofputil_decode_packet_in(struct ofputil_packet_in *pin, return OFPERR_OFPBRC_BAD_LEN; } - pin->reason = opi->reason; - pin->table_id = opi->table_id; + pin->reason = opi->pi.reason; + pin->table_id = opi->pi.table_id; + pin->buffer_id = ntohl(opi->pi.buffer_id); + pin->total_len = ntohs(opi->pi.total_len); - pin->buffer_id = ntohl(opi->buffer_id); - pin->total_len = ntohs(opi->total_len); + if (raw == OFPRAW_OFPT13_PACKET_IN) { + pin->cookie = opi->cookie; + } ofputil_decode_packet_in_finish(pin, &match, &b); } else if (raw == OFPRAW_OFPT10_PACKET_IN) { - const struct ofp_packet_in *opi; + const struct ofp10_packet_in *opi; - opi = ofpbuf_pull(&b, offsetof(struct ofp_packet_in, data)); + opi = ofpbuf_pull(&b, offsetof(struct ofp10_packet_in, data)); pin->packet = opi->data; pin->packet_len = b.size; @@ -2396,32 +2555,48 @@ ofputil_encode_packet_in(const struct ofputil_packet_in *pin, struct ofpbuf *packet; /* Add OFPT_PACKET_IN. */ - if (protocol == OFPUTIL_P_OF12_OXM) { - struct ofp12_packet_in *opi; + if (protocol == OFPUTIL_P_OF13_OXM || protocol == OFPUTIL_P_OF12_OXM) { + struct ofp13_packet_in *opi; struct match match; + enum ofpraw packet_in_raw; + enum ofp_version packet_in_version; + size_t packet_in_size; + + if (protocol == OFPUTIL_P_OF12_OXM) { + packet_in_raw = OFPRAW_OFPT12_PACKET_IN; + packet_in_version = OFP12_VERSION; + packet_in_size = sizeof (struct ofp12_packet_in); + } else { + packet_in_raw = OFPRAW_OFPT13_PACKET_IN; + packet_in_version = OFP13_VERSION; + packet_in_size = sizeof (struct ofp13_packet_in); + } ofputil_packet_in_to_match(pin, &match); /* The final argument is just an estimate of the space required. */ - packet = ofpraw_alloc_xid(OFPRAW_OFPT12_PACKET_IN, OFP12_VERSION, + packet = ofpraw_alloc_xid(packet_in_raw, packet_in_version, htonl(0), (sizeof(struct flow_metadata) * 2 + 2 + send_len)); - ofpbuf_put_zeros(packet, sizeof *opi); + ofpbuf_put_zeros(packet, packet_in_size); oxm_put_match(packet, &match); ofpbuf_put_zeros(packet, 2); ofpbuf_put(packet, pin->packet, send_len); opi = packet->l3; - opi->buffer_id = htonl(pin->buffer_id); - opi->total_len = htons(pin->total_len); - opi->reason = pin->reason; - opi->table_id = pin->table_id; - } else if (packet_in_format == NXPIF_OPENFLOW10) { - struct ofp_packet_in *opi; + opi->pi.buffer_id = htonl(pin->buffer_id); + opi->pi.total_len = htons(pin->total_len); + opi->pi.reason = pin->reason; + opi->pi.table_id = pin->table_id; + if (protocol == OFPUTIL_P_OF13_OXM) { + opi->cookie = pin->cookie; + } + } else if (packet_in_format == NXPIF_OPENFLOW10) { + struct ofp10_packet_in *opi; packet = ofpraw_alloc_xid(OFPRAW_OFPT10_PACKET_IN, OFP10_VERSION, htonl(0), send_len); - opi = ofpbuf_put_zeros(packet, offsetof(struct ofp_packet_in, data)); + opi = ofpbuf_put_zeros(packet, offsetof(struct ofp10_packet_in, data)); opi->total_len = htons(pin->total_len); opi->in_port = htons(pin->fmd.in_port); opi->reason = pin->reason; @@ -2530,7 +2705,7 @@ ofputil_decode_packet_out(struct ofputil_packet_out *po, } } else if (raw == OFPRAW_OFPT10_PACKET_OUT) { enum ofperr error; - const struct ofp_packet_out *opo = ofpbuf_pull(&b, sizeof *opo); + const struct ofp10_packet_out *opo = ofpbuf_pull(&b, sizeof *opo); po->buffer_id = ntohl(opo->buffer_id); po->in_port = ntohs(opo->in_port); @@ -2685,6 +2860,7 @@ ofputil_get_phy_port_size(enum ofp_version ofp_version) return sizeof(struct ofp10_phy_port); case OFP11_VERSION: case OFP12_VERSION: + case OFP13_VERSION: return sizeof(struct ofp11_port); default: NOT_REACHED(); @@ -2747,7 +2923,8 @@ ofputil_put_phy_port(enum ofp_version ofp_version, } case OFP11_VERSION: - case OFP12_VERSION: { + case OFP12_VERSION: + case OFP13_VERSION: { struct ofp11_port *op; if (b->size + sizeof *op <= UINT16_MAX) { op = ofpbuf_put_uninit(b, sizeof *op); @@ -2776,7 +2953,8 @@ ofputil_append_port_desc_stats_reply(enum ofp_version ofp_version, } case OFP11_VERSION: - case OFP12_VERSION: { + case OFP12_VERSION: + case OFP13_VERSION: { struct ofp11_port *op; op = ofpmp_append(replies, sizeof *op); @@ -2845,6 +3023,7 @@ ofputil_capabilities_mask(enum ofp_version ofp_version) case OFP11_VERSION: return OFPC_COMMON | OFPC_ARP_MATCH_IP; case OFP12_VERSION: + case OFP13_VERSION: return OFPC_COMMON | OFPC12_PORT_BLOCKED; default: /* Caller needs to check osf->header.version itself */ @@ -2872,6 +3051,7 @@ ofputil_decode_switch_features(const struct ofp_header *oh, features->datapath_id = ntohll(osf->datapath_id); features->n_buffers = ntohl(osf->n_buffers); features->n_tables = osf->n_tables; + features->auxiliary_id = 0; features->capabilities = ntohl(osf->capabilities) & ofputil_capabilities_mask(oh->version); @@ -2885,11 +3065,15 @@ ofputil_decode_switch_features(const struct ofp_header *oh, features->capabilities |= OFPUTIL_C_STP; } features->actions = decode_action_bits(osf->actions, of10_action_bits); - } else if (raw == OFPRAW_OFPT11_FEATURES_REPLY) { + } else if (raw == OFPRAW_OFPT11_FEATURES_REPLY + || raw == OFPRAW_OFPT13_FEATURES_REPLY) { if (osf->capabilities & htonl(OFPC11_GROUP_STATS)) { features->capabilities |= OFPUTIL_C_GROUP_STATS; } features->actions = 0; + if (raw == OFPRAW_OFPT13_FEATURES_REPLY) { + features->auxiliary_id = osf->auxiliary_id; + } } else { return OFPERR_OFPBRC_BAD_VERSION; } @@ -2966,6 +3150,9 @@ ofputil_encode_switch_features(const struct ofputil_switch_features *features, case OFP12_VERSION: raw = OFPRAW_OFPT11_FEATURES_REPLY; break; + case OFP13_VERSION: + raw = OFPRAW_OFPT13_FEATURES_REPLY; + break; default: NOT_REACHED(); } @@ -2985,6 +3172,9 @@ ofputil_encode_switch_features(const struct ofputil_switch_features *features, } osf->actions = encode_action_bits(features->actions, of10_action_bits); break; + case OFP13_VERSION: + osf->auxiliary_id = features->auxiliary_id; + /* fall through */ case OFP11_VERSION: case OFP12_VERSION: if (features->capabilities & OFPUTIL_C_GROUP_STATS) { @@ -3007,7 +3197,9 @@ ofputil_put_switch_features_port(const struct ofputil_phy_port *pp, { const struct ofp_header *oh = b->data; - ofputil_put_phy_port(oh->version, pp, b); + if (oh->version < OFP13_VERSION) { + ofputil_put_phy_port(oh->version, pp, b); + } } /* ofputil_port_status */ @@ -3034,7 +3226,7 @@ ofputil_decode_port_status(const struct ofp_header *oh, ps->reason = ops->reason; retval = ofputil_pull_phy_port(oh->version, &b, &ps->desc); - assert(retval != EOF); + ovs_assert(retval != EOF); return retval; } @@ -3058,6 +3250,7 @@ ofputil_encode_port_status(const struct ofputil_port_status *ps, case OFP11_VERSION: case OFP12_VERSION: + case OFP13_VERSION: raw = OFPRAW_OFPT11_PORT_STATUS; break; @@ -3141,7 +3334,8 @@ ofputil_encode_port_mod(const struct ofputil_port_mod *pm, } case OFP11_VERSION: - case OFP12_VERSION: { + case OFP12_VERSION: + case OFP13_VERSION: { struct ofp11_port_mod *opm; b = ofpraw_alloc(OFPRAW_OFPT11_PORT_MOD, ofp_version, 0); @@ -3161,6 +3355,104 @@ ofputil_encode_port_mod(const struct ofputil_port_mod *pm, return b; } +/* ofputil_role_request */ + +/* Decodes the OpenFlow "role request" or "role reply" message in '*oh' into + * an abstract form in '*rr'. Returns 0 if successful, otherwise an + * OFPERR_* value. */ +enum ofperr +ofputil_decode_role_message(const struct ofp_header *oh, + struct ofputil_role_request *rr) +{ + const struct ofp12_role_request *orr = ofpmsg_body(oh); + uint32_t role = ntohl(orr->role); + struct ofpbuf b; + enum ofpraw raw; + + memset(rr, 0, sizeof *rr); + + ofpbuf_use_const(&b, oh, ntohs(oh->length)); + raw = ofpraw_pull_assert(&b); + + if (raw == OFPRAW_OFPT12_ROLE_REQUEST + || raw == OFPRAW_OFPT12_ROLE_REPLY) { + + if (raw == OFPRAW_OFPT12_ROLE_REQUEST) { + if (role == OFPCR12_ROLE_NOCHANGE) { + rr->request_current_role_only = true; + return 0; + } + if (role == OFPCR12_ROLE_MASTER || role == OFPCR12_ROLE_SLAVE) { + rr->generation_id = ntohll(orr->generation_id); + rr->have_generation_id = true; + } + } + + /* Map to enum nx_role */ + role -= 1; /* OFPCR12_ROLE_MASTER -> NX_ROLE_MASTER etc. */ + } else if (raw != OFPRAW_NXT_ROLE_REQUEST + && raw != OFPRAW_NXT_ROLE_REPLY) { + return OFPERR_OFPBRC_BAD_TYPE; + } + + if (role != NX_ROLE_OTHER && role != NX_ROLE_MASTER + && role != NX_ROLE_SLAVE) { + return OFPERR_OFPRRFC_BAD_ROLE; + } + + rr->role = role; + return 0; +} + +/* Returns an encoded form of a role reply suitable for the "request" in a + * buffer owned by the caller. */ +struct ofpbuf * +ofputil_encode_role_reply(const struct ofp_header *request, + enum nx_role role) +{ + struct ofp12_role_request *reply; + struct ofpbuf *buf; + size_t reply_size; + + struct ofpbuf b; + enum ofpraw raw; + + ofpbuf_use_const(&b, request, ntohs(request->length)); + raw = ofpraw_pull_assert(&b); + if (raw == OFPRAW_OFPT12_ROLE_REQUEST) { + reply_size = sizeof (struct ofp12_role_request); + raw = OFPRAW_OFPT12_ROLE_REPLY; + } + else if (raw == OFPRAW_NXT_ROLE_REQUEST) { + reply_size = sizeof (struct nx_role_request); + raw = OFPRAW_NXT_ROLE_REPLY; + } else { + NOT_REACHED(); + } + + buf = ofpraw_alloc_reply(raw, request, 0); + reply = ofpbuf_put_zeros(buf, reply_size); + + if (raw == OFPRAW_OFPT12_ROLE_REPLY) { + /* Map to OpenFlow enum ofp12_controller_role */ + role += 1; /* NX_ROLE_MASTER -> OFPCR12_ROLE_MASTER etc. */ + /* + * OpenFlow specification does not specify use of generation_id field + * on reply messages. Intuitively, it would seem a good idea to return + * the current value. However, the current value is undefined + * initially, and there is no way to insert an undefined value in the + * message. Therefore we leave the generation_id zeroed on reply + * messages. + * + * A request for clarification has been filed with the Open Networking + * Foundation as EXT-272. + */ + } + reply->role = htonl(role); + + return buf; +} + /* Table stats. */ static void @@ -3168,7 +3460,7 @@ ofputil_put_ofp10_table_stats(const struct ofp12_table_stats *in, struct ofpbuf *buf) { struct wc_map { - enum ofp_flow_wildcards wc10; + enum ofp10_flow_wildcards wc10; enum oxm12_ofb_match_fields mf12; }; @@ -3190,9 +3482,9 @@ ofputil_put_ofp10_table_stats(const struct ofp12_table_stats *in, struct ofp10_table_stats *out; const struct wc_map *p; - out = ofpbuf_put_uninit(buf, sizeof *out); + out = ofpbuf_put_zeros(buf, sizeof *out); out->table_id = in->table_id; - strcpy(out->name, in->name); + ovs_strlcpy(out->name, in->name, sizeof out->name); out->wildcards = 0; for (p = wc_map; p < &wc_map[ARRAY_SIZE(wc_map)]; p++) { if (in->wildcards & htonll(1ULL << p->mf12)) { @@ -3250,9 +3542,9 @@ ofputil_put_ofp11_table_stats(const struct ofp12_table_stats *in, { struct ofp11_table_stats *out; - out = ofpbuf_put_uninit(buf, sizeof *out); + out = ofpbuf_put_zeros(buf, sizeof *out); out->table_id = in->table_id; - strcpy(out->name, in->name); + ovs_strlcpy(out->name, in->name, sizeof out->name); out->wildcards = oxm12_to_ofp11_flow_match_fields(in->wildcards); out->match = oxm12_to_ofp11_flow_match_fields(in->match); out->instructions = in->instructions; @@ -3265,6 +3557,22 @@ ofputil_put_ofp11_table_stats(const struct ofp12_table_stats *in, out->matched_count = in->matched_count; } +static void +ofputil_put_ofp13_table_stats(const struct ofp12_table_stats *in, + struct ofpbuf *buf) +{ + struct ofp13_table_stats *out; + + /* OF 1.3 splits table features off the ofp_table_stats, + * so there is not much here. */ + + out = ofpbuf_put_uninit(buf, sizeof *out); + out->table_id = in->table_id; + out->active_count = in->active_count; + out->lookup_count = in->lookup_count; + out->matched_count = in->matched_count; +} + struct ofpbuf * ofputil_encode_table_stats_reply(const struct ofp12_table_stats stats[], int n, const struct ofp_header *request) @@ -3291,6 +3599,12 @@ ofputil_encode_table_stats_reply(const struct ofp12_table_stats stats[], int n, ofpbuf_put(reply, stats, n * sizeof *stats); break; + case OFP13_VERSION: + for (i = 0; i < n; i++) { + ofputil_put_ofp13_table_stats(&stats[i], reply); + } + break; + default: NOT_REACHED(); } @@ -3474,7 +3788,7 @@ ofputil_decode_flow_update(struct ofputil_flow_update *update, VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW_MONITOR reply has bad event %"PRIu16, ntohs(nfuh->event)); - return OFPERR_OFPET_BAD_REQUEST; + return OFPERR_NXBRC_FM_BAD_EVENT; } bad_len: @@ -3571,7 +3885,7 @@ ofputil_encode_packet_out(const struct ofputil_packet_out *po, switch (ofp_version) { case OFP10_VERSION: { - struct ofp_packet_out *opo; + struct ofp10_packet_out *opo; size_t actions_ofs; msg = ofpraw_alloc(OFPRAW_OFPT10_PACKET_OUT, OFP10_VERSION, size); @@ -3587,7 +3901,8 @@ ofputil_encode_packet_out(const struct ofputil_packet_out *po, } case OFP11_VERSION: - case OFP12_VERSION: { + case OFP12_VERSION: + case OFP13_VERSION: { struct ofp11_packet_out *opo; size_t len; @@ -3645,6 +3960,7 @@ ofputil_encode_barrier_request(enum ofp_version ofp_version) enum ofpraw type; switch (ofp_version) { + case OFP13_VERSION: case OFP12_VERSION: case OFP11_VERSION: type = OFPRAW_OFPT11_BARRIER_REQUEST; @@ -3762,6 +4078,11 @@ ofputil_check_output_port(uint16_t port, int max_ports) OFPUTIL_NAMED_PORT(ALL) \ OFPUTIL_NAMED_PORT(CONTROLLER) \ OFPUTIL_NAMED_PORT(LOCAL) \ + OFPUTIL_NAMED_PORT(ANY) + +/* For backwards compatibility, so that "none" is recognized as OFPP_ANY */ +#define OFPUTIL_NAMED_PORTS_WITH_NONE \ + OFPUTIL_NAMED_PORTS \ OFPUTIL_NAMED_PORT(NONE) /* Stores the port number represented by 's' into '*portp'. 's' may be an @@ -3807,7 +4128,7 @@ ofputil_port_from_string(const char *s, uint16_t *portp) return true; } else if (port32 < OFPP11_MAX) { VLOG_WARN("port %u is outside the supported range 0 through " - "%"PRIx16"or 0x%x through 0x%"PRIx32, port32, + "%"PRIx16" or 0x%x through 0x%"PRIx32, port32, UINT16_MAX, (unsigned int) OFPP11_MAX, UINT32_MAX); return false; } else { @@ -3821,7 +4142,7 @@ ofputil_port_from_string(const char *s, uint16_t *portp) }; static const struct pair pairs[] = { #define OFPUTIL_NAMED_PORT(NAME) {#NAME, OFPP_##NAME}, - OFPUTIL_NAMED_PORTS + OFPUTIL_NAMED_PORTS_WITH_NONE #undef OFPUTIL_NAMED_PORT }; const struct pair *p; @@ -3871,7 +4192,8 @@ ofputil_pull_phy_port(enum ofp_version ofp_version, struct ofpbuf *b, return opp ? ofputil_decode_ofp10_phy_port(pp, opp) : EOF; } case OFP11_VERSION: - case OFP12_VERSION: { + case OFP12_VERSION: + case OFP13_VERSION: { const struct ofp11_port *op = ofpbuf_try_pull(b, sizeof *op); return op ? ofputil_decode_ofp11_port(pp, op) : EOF; } @@ -4170,7 +4492,7 @@ ofputil_parse_key_value(char **stringp, char **keyp, char **valuep) } /* Encode a dump ports request for 'port', the encoded message - * will be fore Open Flow version 'ofp_version'. Returns message + * will be for Open Flow version 'ofp_version'. Returns message * as a struct ofpbuf. Returns encoded message on success, NULL on error */ struct ofpbuf * ofputil_encode_dump_ports_request(enum ofp_version ofp_version, int16_t port) @@ -4186,7 +4508,8 @@ ofputil_encode_dump_ports_request(enum ofp_version ofp_version, int16_t port) break; } case OFP11_VERSION: - case OFP12_VERSION: { + case OFP12_VERSION: + case OFP13_VERSION: { struct ofp11_port_stats_request *req; request = ofpraw_alloc(OFPRAW_OFPST11_PORT_REQUEST, ofp_version, 0); req = ofpbuf_put_zeros(request, sizeof *req); @@ -4240,6 +4563,19 @@ ofputil_port_stats_to_ofp11(const struct ofputil_port_stats *ops, ps11->collisions = htonll(ops->stats.collisions); } +static void +ofputil_port_stats_to_ofp13(const struct ofputil_port_stats *ops, + struct ofp13_port_stats *ps13) +{ + ofputil_port_stats_to_ofp11(ops, &ps13->ps); + + /* OF 1.3 adds duration fields */ + /* FIXME: Need to implement port alive duration (sec + nsec) */ + ps13->duration_sec = htonl(~0); + ps13->duration_nsec = htonl(~0); +} + + /* Encode a ports stat for 'ops' and append it to 'replies'. */ void ofputil_append_port_stat(struct list *replies, @@ -4249,6 +4585,11 @@ ofputil_append_port_stat(struct list *replies, struct ofp_header *oh = msg->data; switch ((enum ofp_version)oh->version) { + case OFP13_VERSION: { + struct ofp13_port_stats *reply = ofpmp_append(replies, sizeof *reply); + ofputil_port_stats_to_ofp13(ops, reply); + break; + } case OFP12_VERSION: case OFP11_VERSION: { struct ofp11_port_stats *reply = ofpmp_append(replies, sizeof *reply); @@ -4319,6 +4660,21 @@ ofputil_port_stats_from_ofp11(struct ofputil_port_stats *ops, return 0; } +static enum ofperr +ofputil_port_stats_from_ofp13(struct ofputil_port_stats *ops, + const struct ofp13_port_stats *ps13) +{ + enum ofperr error = + ofputil_port_stats_from_ofp11(ops, &ps13->ps); + if (!error) { + /* FIXME: Get ps13->duration_sec and ps13->duration_nsec, + * Add to netdev_stats? */ + } + + return error; +} + + /* Returns the number of port stats elements in OFPTYPE_PORT_STATS_REPLY * message 'oh'. */ size_t @@ -4359,14 +4715,20 @@ ofputil_decode_port_stats(struct ofputil_port_stats *ps, struct ofpbuf *msg) if (!msg->size) { return EOF; + } else if (raw == OFPRAW_OFPST13_PORT_REPLY) { + const struct ofp13_port_stats *ps13; + + ps13 = ofpbuf_try_pull(msg, sizeof *ps13); + if (!ps13) { + goto bad_len; + } + return ofputil_port_stats_from_ofp13(ps, ps13); } else if (raw == OFPRAW_OFPST11_PORT_REPLY) { const struct ofp11_port_stats *ps11; ps11 = ofpbuf_try_pull(msg, sizeof *ps11); if (!ps11) { - VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_PORT reply has %zu leftover " - "bytes at end", msg->size); - return OFPERR_OFPBRC_BAD_LEN; + goto bad_len; } return ofputil_port_stats_from_ofp11(ps, ps11); } else if (raw == OFPRAW_OFPST10_PORT_REPLY) { @@ -4374,15 +4736,17 @@ ofputil_decode_port_stats(struct ofputil_port_stats *ps, struct ofpbuf *msg) ps10 = ofpbuf_try_pull(msg, sizeof *ps10); if (!ps10) { - VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_PORT reply has %zu leftover " - "bytes at end", msg->size); - return OFPERR_OFPBRC_BAD_LEN; + goto bad_len; } return ofputil_port_stats_from_ofp10(ps, ps10); } else { NOT_REACHED(); } + bad_len: + VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_PORT reply has %zu leftover " + "bytes at end", msg->size); + return OFPERR_OFPBRC_BAD_LEN; } /* Parse a port status request message into a 16 bit OpenFlow 1.0 @@ -4393,6 +4757,7 @@ ofputil_decode_port_stats_request(const struct ofp_header *request, uint16_t *ofp10_port) { switch ((enum ofp_version)request->version) { + case OFP13_VERSION: case OFP12_VERSION: case OFP11_VERSION: { const struct ofp11_port_stats_request *psr11 = ofpmsg_body(request); @@ -4417,6 +4782,7 @@ ofputil_decode_queue_stats_request(const struct ofp_header *request, struct ofputil_queue_stats_request *oqsr) { switch ((enum ofp_version)request->version) { + case OFP13_VERSION: case OFP12_VERSION: case OFP11_VERSION: { const struct ofp11_queue_stats_request *qsr11 = ofpmsg_body(request); @@ -4425,9 +4791,13 @@ ofputil_decode_queue_stats_request(const struct ofp_header *request, } case OFP10_VERSION: { - const struct ofp10_queue_stats_request *qsr11 = ofpmsg_body(request); - oqsr->queue_id = ntohl(qsr11->queue_id); - oqsr->port_no = ntohs(qsr11->port_no); + const struct ofp10_queue_stats_request *qsr10 = ofpmsg_body(request); + oqsr->queue_id = ntohl(qsr10->queue_id); + oqsr->port_no = ntohs(qsr10->port_no); + /* OF 1.0 uses OFPP_ALL for OFPP_ANY */ + if (oqsr->port_no == OFPP_ALL) { + oqsr->port_no = OFPP_ANY; + } return 0; } @@ -4447,7 +4817,8 @@ ofputil_encode_queue_stats_request(enum ofp_version ofp_version, switch (ofp_version) { case OFP11_VERSION: - case OFP12_VERSION: { + case OFP12_VERSION: + case OFP13_VERSION: { struct ofp11_queue_stats_request *req; request = ofpraw_alloc(OFPRAW_OFPST11_QUEUE_REQUEST, ofp_version, 0); req = ofpbuf_put_zeros(request, sizeof *req); @@ -4459,7 +4830,9 @@ ofputil_encode_queue_stats_request(enum ofp_version ofp_version, struct ofp10_queue_stats_request *req; request = ofpraw_alloc(OFPRAW_OFPST10_QUEUE_REQUEST, ofp_version, 0); req = ofpbuf_put_zeros(request, sizeof *req); - req->port_no = htons(oqsr->port_no); + /* OpenFlow 1.0 needs OFPP_ALL instead of OFPP_ANY */ + req->port_no = htons(oqsr->port_no == OFPP_ANY + ? OFPP_ALL : oqsr->port_no); req->queue_id = htonl(oqsr->queue_id); break; } @@ -4517,6 +4890,20 @@ ofputil_queue_stats_from_ofp11(struct ofputil_queue_stats *oqs, return 0; } +static enum ofperr +ofputil_queue_stats_from_ofp13(struct ofputil_queue_stats *oqs, + const struct ofp13_queue_stats *qs13) +{ + enum ofperr error + = ofputil_queue_stats_from_ofp11(oqs, &qs13->qs); + if (!error) { + /* FIXME: Get qs13->duration_sec and qs13->duration_nsec, + * Add to netdev_queue_stats? */ + } + + return error; +} + /* Converts an OFPST_QUEUE_STATS reply in 'msg' into an abstract * ofputil_queue_stats in 'qs'. * @@ -4542,14 +4929,20 @@ ofputil_decode_queue_stats(struct ofputil_queue_stats *qs, struct ofpbuf *msg) if (!msg->size) { return EOF; + } else if (raw == OFPRAW_OFPST13_QUEUE_REPLY) { + const struct ofp13_queue_stats *qs13; + + qs13 = ofpbuf_try_pull(msg, sizeof *qs13); + if (!qs13) { + goto bad_len; + } + return ofputil_queue_stats_from_ofp13(qs, qs13); } else if (raw == OFPRAW_OFPST11_QUEUE_REPLY) { const struct ofp11_queue_stats *qs11; qs11 = ofpbuf_try_pull(msg, sizeof *qs11); if (!qs11) { - VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_QUEUE reply has %zu leftover " - "bytes at end", msg->size); - return OFPERR_OFPBRC_BAD_LEN; + goto bad_len; } return ofputil_queue_stats_from_ofp11(qs, qs11); } else if (raw == OFPRAW_OFPST10_QUEUE_REPLY) { @@ -4557,14 +4950,17 @@ ofputil_decode_queue_stats(struct ofputil_queue_stats *qs, struct ofpbuf *msg) qs10 = ofpbuf_try_pull(msg, sizeof *qs10); if (!qs10) { - VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_QUEUE reply has %zu leftover " - "bytes at end", msg->size); - return OFPERR_OFPBRC_BAD_LEN; + goto bad_len; } return ofputil_queue_stats_from_ofp10(qs, qs10); } else { NOT_REACHED(); } + + bad_len: + VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_QUEUE reply has %zu leftover " + "bytes at end", msg->size); + return OFPERR_OFPBRC_BAD_LEN; } static void @@ -4590,6 +4986,17 @@ ofputil_queue_stats_to_ofp11(const struct ofputil_queue_stats *oqs, qs11->tx_errors = htonll(oqs->stats.tx_errors); } +static void +ofputil_queue_stats_to_ofp13(const struct ofputil_queue_stats *oqs, + struct ofp13_queue_stats *qs13) +{ + ofputil_queue_stats_to_ofp11(oqs, &qs13->qs); + /* OF 1.3 adds duration fields */ + /* FIXME: Need to implement queue alive duration (sec + nsec) */ + qs13->duration_sec = htonl(~0); + qs13->duration_nsec = htonl(~0); +} + /* Encode a queue stat for 'oqs' and append it to 'replies'. */ void ofputil_append_queue_stat(struct list *replies, @@ -4599,15 +5006,21 @@ ofputil_append_queue_stat(struct list *replies, struct ofp_header *oh = msg->data; switch ((enum ofp_version)oh->version) { + case OFP13_VERSION: { + struct ofp13_queue_stats *reply = ofpmp_append(replies, sizeof *reply); + ofputil_queue_stats_to_ofp13(oqs, reply); + break; + } + case OFP12_VERSION: case OFP11_VERSION: { - struct ofp11_queue_stats *reply = ofpmp_append(replies, sizeof *reply);; + struct ofp11_queue_stats *reply = ofpmp_append(replies, sizeof *reply); ofputil_queue_stats_to_ofp11(oqs, reply); break; } case OFP10_VERSION: { - struct ofp10_queue_stats *reply = ofpmp_append(replies, sizeof *reply);; + struct ofp10_queue_stats *reply = ofpmp_append(replies, sizeof *reply); ofputil_queue_stats_to_ofp10(oqs, reply); break; }