* in the peer and so there's not much point in showing a lot of them. */
static struct vlog_rate_limit bad_ofmsg_rl = VLOG_RATE_LIMIT_INIT(1, 5);
+static enum ofputil_table_miss ofputil_table_miss_from_config(
+ ovs_be32 config_, enum ofp_version);
+
struct ofp_prop_header {
ovs_be16 type;
ovs_be16 len;
/* Pulls a property, beginning with struct ofp_prop_header, from the beginning
* of 'msg'. Stores the type of the property in '*typep' and, if 'property' is
* nonnull, the entire property, including the header, in '*property'. Returns
- * 0 if successful, otherwise an error code. */
+ * 0 if successful, otherwise an error code.
+ *
+ * This function pulls the property's stated size padded out to a multiple of
+ * 'alignment' bytes. The common case in OpenFlow is an 'alignment' of 8, so
+ * you can use ofputil_pull_property() for that case. */
static enum ofperr
-ofputil_pull_property(struct ofpbuf *msg, struct ofpbuf *property,
- uint16_t *typep)
+ofputil_pull_property__(struct ofpbuf *msg, struct ofpbuf *property,
+ unsigned int alignment, uint16_t *typep)
{
struct ofp_prop_header *oph;
+ unsigned int padded_len;
unsigned int len;
if (ofpbuf_size(msg) < sizeof *oph) {
oph = ofpbuf_data(msg);
len = ntohs(oph->len);
- if (len < sizeof *oph || ROUND_UP(len, 8) > ofpbuf_size(msg)) {
+ padded_len = ROUND_UP(len, alignment);
+ if (len < sizeof *oph || padded_len > ofpbuf_size(msg)) {
return OFPERR_OFPBPC_BAD_LEN;
}
if (property) {
ofpbuf_use_const(property, ofpbuf_data(msg), len);
}
- ofpbuf_pull(msg, ROUND_UP(len, 8));
+ ofpbuf_pull(msg, padded_len);
return 0;
}
+/* Pulls a property, beginning with struct ofp_prop_header, from the beginning
+ * of 'msg'. Stores the type of the property in '*typep' and, if 'property' is
+ * nonnull, the entire property, including the header, in '*property'. Returns
+ * 0 if successful, otherwise an error code.
+ *
+ * This function pulls the property's stated size padded out to a multiple of
+ * 8 bytes, which is the common case for OpenFlow properties. */
+static enum ofperr
+ofputil_pull_property(struct ofpbuf *msg, struct ofpbuf *property,
+ uint16_t *typep)
+{
+ return ofputil_pull_property__(msg, property, 8, typep);
+}
+
static void PRINTF_FORMAT(2, 3)
log_property(bool loose, const char *message, ...)
{
}
}
+static size_t
+start_property(struct ofpbuf *msg, uint16_t type)
+{
+ size_t start_ofs = ofpbuf_size(msg);
+ struct ofp_prop_header *oph;
+
+ oph = ofpbuf_put_uninit(msg, sizeof *oph);
+ oph->type = htons(type);
+ oph->len = htons(4); /* May be updated later by end_property(). */
+ return start_ofs;
+}
+
+static void
+end_property(struct ofpbuf *msg, size_t start_ofs)
+{
+ struct ofp_prop_header *oph;
+
+ oph = ofpbuf_at_assert(msg, start_ofs, sizeof *oph);
+ oph->len = htons(ofpbuf_size(msg) - start_ofs);
+ ofpbuf_padto(msg, ROUND_UP(ofpbuf_size(msg), 8));
+}
+
+static void
+put_bitmap_properties(struct ofpbuf *msg, uint64_t bitmap)
+{
+ for (; bitmap; bitmap = zero_rightmost_1bit(bitmap)) {
+ start_property(msg, rightmost_1bit_idx(bitmap));
+ }
+}
+
/* Given the wildcard bit count in the least-significant 6 of 'wcbits', returns
* an IP netmask with a 1 in each bit that must match and a 0 in each bit that
* is wildcarded.
void
ofputil_wildcard_from_ofpfw10(uint32_t ofpfw, struct flow_wildcards *wc)
{
- BUILD_ASSERT_DECL(FLOW_WC_SEQ == 27);
+ BUILD_ASSERT_DECL(FLOW_WC_SEQ == 28);
/* Initialize most of wc. */
flow_wildcards_init_catchall(wc);
return error;
}
- error = ofpacts_pull_openflow_instructions(&b, ofpbuf_size(&b), oh->version,
- ofpacts);
- if (error) {
- return error;
- }
-
/* Translate the message. */
fm->priority = ntohs(ofm->priority);
if (ofm->command == OFPFC_ADD
fm->idle_timeout = ntohs(ofm->idle_timeout);
fm->hard_timeout = ntohs(ofm->hard_timeout);
+ if (oh->version >= OFP14_VERSION && ofm->command == OFPFC_ADD) {
+ fm->importance = ntohs(ofm->importance);
+ } else {
+ fm->importance = 0;
+ }
fm->buffer_id = ntohl(ofm->buffer_id);
error = ofputil_port_from_ofp11(ofm->out_port, &fm->out_port);
if (error) {
ofputil_match_from_ofp10_match(&ofm->match, &fm->match);
ofputil_normalize_match(&fm->match);
- /* Now get the actions. */
- error = ofpacts_pull_openflow_actions(&b, ofpbuf_size(&b), oh->version,
- ofpacts);
- if (error) {
- return error;
- }
-
/* OpenFlow 1.0 says that exact-match rules have to have the
* highest possible priority. */
fm->priority = (ofm->match.wildcards & htonl(OFPFW10_ALL)
fm->new_cookie = ofm->cookie;
fm->idle_timeout = ntohs(ofm->idle_timeout);
fm->hard_timeout = ntohs(ofm->hard_timeout);
+ fm->importance = 0;
fm->buffer_id = ntohl(ofm->buffer_id);
fm->out_port = u16_to_ofp(ntohs(ofm->out_port));
fm->out_group = OFPG11_ANY;
if (error) {
return error;
}
- error = ofpacts_pull_openflow_actions(&b, ofpbuf_size(&b), oh->version,
- ofpacts);
- if (error) {
- return error;
- }
/* Translate the message. */
command = ntohs(nfm->command);
fm->new_cookie = nfm->cookie;
fm->idle_timeout = ntohs(nfm->idle_timeout);
fm->hard_timeout = ntohs(nfm->hard_timeout);
+ fm->importance = 0;
fm->buffer_id = ntohl(nfm->buffer_id);
fm->out_port = u16_to_ofp(ntohs(nfm->out_port));
fm->out_group = OFPG11_ANY;
}
}
+ error = ofpacts_pull_openflow_instructions(&b, ofpbuf_size(&b),
+ oh->version, ofpacts);
+ if (error) {
+ return error;
+ }
fm->ofpacts = ofpbuf_data(ofpacts);
fm->ofpacts_len = ofpbuf_size(ofpacts);
|| fm->command == OFPFC_ADD) {
ofm->cookie = fm->new_cookie;
} else {
- ofm->cookie = fm->cookie;
+ ofm->cookie = fm->cookie & fm->cookie_mask;
}
ofm->cookie_mask = fm->cookie_mask;
if (fm->table_id != OFPTT_ALL
ofm->out_port = ofputil_port_to_ofp11(fm->out_port);
ofm->out_group = htonl(fm->out_group);
ofm->flags = raw_flags;
+ if (version >= OFP14_VERSION && fm->command == OFPFC_ADD) {
+ ofm->importance = htons(fm->importance);
+ } else {
+ ofm->importance = 0;
+ }
ofputil_put_ofp11_match(msg, &fm->match, protocol);
ofpacts_put_openflow_instructions(fm->ofpacts, fm->ofpacts_len, msg,
version);
struct ofpbuf *ofpacts)
{
const struct ofp_header *oh;
+ size_t instructions_len;
enum ofperr error;
enum ofpraw raw;
VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_FLOW reply bad match");
return EINVAL;
}
-
- if (ofpacts_pull_openflow_instructions(msg, length - sizeof *ofs -
- padded_match_len, oh->version,
- ofpacts)) {
- VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_FLOW reply bad instructions");
- return EINVAL;
- }
+ instructions_len = length - sizeof *ofs - padded_match_len;
fs->priority = ntohs(ofs->priority);
fs->table_id = ofs->table_id;
fs->duration_nsec = ntohl(ofs->duration_nsec);
fs->idle_timeout = ntohs(ofs->idle_timeout);
fs->hard_timeout = ntohs(ofs->hard_timeout);
+ if (oh->version >= OFP14_VERSION) {
+ fs->importance = ntohs(ofs->importance);
+ } else {
+ fs->importance = 0;
+ }
if (raw == OFPRAW_OFPST13_FLOW_REPLY) {
error = ofputil_decode_flow_mod_flags(ofs->flags, -1, oh->version,
&fs->flags);
"length %"PRIuSIZE, length);
return EINVAL;
}
-
- if (ofpacts_pull_openflow_actions(msg, length - sizeof *ofs,
- oh->version, ofpacts)) {
- return EINVAL;
- }
+ instructions_len = length - sizeof *ofs;
fs->cookie = get_32aligned_be64(&ofs->cookie);
ofputil_match_from_ofp10_match(&ofs->match, &fs->match);
fs->duration_nsec = ntohl(ofs->duration_nsec);
fs->idle_timeout = ntohs(ofs->idle_timeout);
fs->hard_timeout = ntohs(ofs->hard_timeout);
+ fs->importance = 0;
fs->idle_age = -1;
fs->hard_age = -1;
fs->packet_count = ntohll(get_32aligned_be64(&ofs->packet_count));
fs->flags = 0;
} else if (raw == OFPRAW_NXST_FLOW_REPLY) {
const struct nx_flow_stats *nfs;
- size_t match_len, actions_len, length;
+ size_t match_len, length;
nfs = ofpbuf_try_pull(msg, sizeof *nfs);
if (!nfs) {
if (nx_pull_match(msg, match_len, &fs->match, NULL, NULL)) {
return EINVAL;
}
-
- actions_len = length - sizeof *nfs - ROUND_UP(match_len, 8);
- if (ofpacts_pull_openflow_actions(msg, actions_len, oh->version,
- ofpacts)) {
- return EINVAL;
- }
+ instructions_len = length - sizeof *nfs - ROUND_UP(match_len, 8);
fs->cookie = nfs->cookie;
fs->table_id = nfs->table_id;
fs->priority = ntohs(nfs->priority);
fs->idle_timeout = ntohs(nfs->idle_timeout);
fs->hard_timeout = ntohs(nfs->hard_timeout);
+ fs->importance = 0;
fs->idle_age = -1;
fs->hard_age = -1;
if (flow_age_extension) {
OVS_NOT_REACHED();
}
+ if (ofpacts_pull_openflow_instructions(msg, instructions_len, oh->version,
+ ofpacts)) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_FLOW reply bad instructions");
+ return EINVAL;
+ }
fs->ofpacts = ofpbuf_data(ofpacts);
fs->ofpacts_len = ofpbuf_size(ofpacts);
ofs->priority = htons(fs->priority);
ofs->idle_timeout = htons(fs->idle_timeout);
ofs->hard_timeout = htons(fs->hard_timeout);
+ if (version >= OFP14_VERSION) {
+ ofs->importance = htons(fs->importance);
+ } else {
+ ofs->importance = 0;
+ }
if (raw == OFPRAW_OFPST13_FLOW_REPLY) {
ofs->flags = ofputil_encode_flow_mod_flags(fs->flags, version);
} else {
msg = ofpraw_alloc_xid(OFPRAW_NXT_FLOW_REMOVED, OFP10_VERSION,
htonl(0), NXM_TYPICAL_LEN);
- nfr = ofpbuf_put_zeros(msg, sizeof *nfr);
+ ofpbuf_put_zeros(msg, sizeof *nfr);
match_len = nx_put_match(msg, &fr->match, 0, 0);
nfr = ofpbuf_l3(msg);
BUILD_ASSERT_DECL((int) OFPUTIL_C_QUEUE_STATS == OFPC_QUEUE_STATS);
BUILD_ASSERT_DECL((int) OFPUTIL_C_ARP_MATCH_IP == OFPC_ARP_MATCH_IP);
-struct ofputil_action_bit_translation {
- enum ofputil_action_bitmap ofputil_bit;
- int of_bit;
-};
-
-static const struct ofputil_action_bit_translation of10_action_bits[] = {
- { OFPUTIL_A_OUTPUT, OFPAT10_OUTPUT },
- { OFPUTIL_A_SET_VLAN_VID, OFPAT10_SET_VLAN_VID },
- { OFPUTIL_A_SET_VLAN_PCP, OFPAT10_SET_VLAN_PCP },
- { OFPUTIL_A_STRIP_VLAN, OFPAT10_STRIP_VLAN },
- { OFPUTIL_A_SET_DL_SRC, OFPAT10_SET_DL_SRC },
- { OFPUTIL_A_SET_DL_DST, OFPAT10_SET_DL_DST },
- { OFPUTIL_A_SET_NW_SRC, OFPAT10_SET_NW_SRC },
- { OFPUTIL_A_SET_NW_DST, OFPAT10_SET_NW_DST },
- { OFPUTIL_A_SET_NW_TOS, OFPAT10_SET_NW_TOS },
- { OFPUTIL_A_SET_TP_SRC, OFPAT10_SET_TP_SRC },
- { OFPUTIL_A_SET_TP_DST, OFPAT10_SET_TP_DST },
- { OFPUTIL_A_ENQUEUE, OFPAT10_ENQUEUE },
- { 0, 0 },
-};
-
-static enum ofputil_action_bitmap
-decode_action_bits(ovs_be32 of_actions,
- const struct ofputil_action_bit_translation *x)
-{
- enum ofputil_action_bitmap ofputil_actions;
-
- ofputil_actions = 0;
- for (; x->ofputil_bit; x++) {
- if (of_actions & htonl(1u << x->of_bit)) {
- ofputil_actions |= x->ofputil_bit;
- }
- }
- return ofputil_actions;
-}
-
static uint32_t
ofputil_capabilities_mask(enum ofp_version ofp_version)
{
if (osf->capabilities & htonl(OFPC10_STP)) {
features->capabilities |= OFPUTIL_C_STP;
}
- features->actions = decode_action_bits(osf->actions, of10_action_bits);
+ features->ofpacts = ofpact_bitmap_from_openflow(osf->actions,
+ OFP10_VERSION);
} 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;
+ features->ofpacts = 0;
if (raw == OFPRAW_OFPT13_FEATURES_REPLY) {
features->auxiliary_id = osf->auxiliary_id;
}
return false;
}
-static ovs_be32
-encode_action_bits(enum ofputil_action_bitmap ofputil_actions,
- const struct ofputil_action_bit_translation *x)
-{
- uint32_t of_actions;
-
- of_actions = 0;
- for (; x->ofputil_bit; x++) {
- if (ofputil_actions & x->ofputil_bit) {
- of_actions |= 1 << x->of_bit;
- }
- }
- return htonl(of_actions);
-}
-
/* Returns a buffer owned by the caller that encodes 'features' in the format
* required by 'protocol' with the given 'xid'. The caller should append port
* information to the buffer with subsequent calls to
if (features->capabilities & OFPUTIL_C_STP) {
osf->capabilities |= htonl(OFPC10_STP);
}
- osf->actions = encode_action_bits(features->actions, of10_action_bits);
+ osf->actions = ofpact_bitmap_to_openflow(features->ofpacts,
+ OFP10_VERSION);
break;
case OFP13_VERSION:
case OFP14_VERSION:
return b;
}
+\f
+/* Table features. */
static enum ofperr
pull_table_feature_property(struct ofpbuf *msg, struct ofpbuf *payload,
- uint16_t *typep)
+ uint16_t *typep)
{
enum ofperr error;
}
static enum ofperr
-parse_table_ids(struct ofpbuf *payload, uint32_t *ids)
+parse_action_bitmap(struct ofpbuf *payload, enum ofp_version ofp_version,
+ uint64_t *ofpacts)
{
- uint16_t type;
+ uint32_t types = 0;
- *ids = 0;
while (ofpbuf_size(payload) > 0) {
- enum ofperr error = pull_table_feature_property(payload, NULL, &type);
+ uint16_t type;
+ enum ofperr error;
+
+ error = ofputil_pull_property__(payload, NULL, 1, &type);
if (error) {
return error;
}
- if (type < CHAR_BIT * sizeof *ids) {
- *ids |= 1u << type;
+ if (type < CHAR_BIT * sizeof types) {
+ types |= 1u << type;
}
}
+
+ *ofpacts = ofpact_bitmap_from_openflow(htonl(types), ofp_version);
return 0;
}
enum ofperr error;
uint16_t ofpit;
- error = pull_table_feature_property(payload, NULL, &ofpit);
+ /* OF1.3 and OF1.4 aren't clear about padding in the instruction IDs.
+ * It seems clear that they aren't padded to 8 bytes, though, because
+ * both standards say that "non-experimenter instructions are 4 bytes"
+ * and do not mention any padding before the first instruction ID.
+ * (There wouldn't be any point in padding to 8 bytes if the IDs were
+ * aligned on an odd 4-byte boundary.)
+ *
+ * Anyway, we just assume they're all glommed together on byte
+ * boundaries. */
+ error = ofputil_pull_property__(payload, NULL, 1, &ofpit);
if (error) {
return error;
}
return 0;
}
-static enum ofperr
-parse_oxm(struct ofpbuf *b, bool loose,
- const struct mf_field **fieldp, bool *hasmask)
-{
- ovs_be32 *oxmp;
- uint32_t oxm;
-
- oxmp = ofpbuf_try_pull(b, sizeof *oxmp);
- if (!oxmp) {
- return OFPERR_OFPBPC_BAD_LEN;
- }
- oxm = ntohl(*oxmp);
-
- /* Determine '*hasmask'. If 'oxm' is masked, convert it to the equivalent
- * unmasked version, because the table of OXM fields we support only has
- * masked versions of fields that we support with masks, but we should be
- * able to parse the masked versions of those here. */
- *hasmask = NXM_HASMASK(oxm);
- if (*hasmask) {
- if (NXM_LENGTH(oxm) & 1) {
- return OFPERR_OFPBPC_BAD_VALUE;
- }
- oxm = NXM_HEADER(NXM_VENDOR(oxm), NXM_FIELD(oxm), NXM_LENGTH(oxm) / 2);
- }
-
- *fieldp = mf_from_nxm_header(oxm);
- if (!*fieldp) {
- log_property(loose, "unknown OXM field %#"PRIx32, ntohl(*oxmp));
- }
- return *fieldp ? 0 : OFPERR_OFPBMC_BAD_FIELD;
-}
-
static enum ofperr
parse_oxms(struct ofpbuf *payload, bool loose,
- uint64_t *exactp, uint64_t *maskedp)
+ struct mf_bitmap *exactp, struct mf_bitmap *maskedp)
{
- uint64_t exact, masked;
+ struct mf_bitmap exact = MF_BITMAP_INITIALIZER;
+ struct mf_bitmap masked = MF_BITMAP_INITIALIZER;
- exact = masked = 0;
while (ofpbuf_size(payload) > 0) {
const struct mf_field *field;
enum ofperr error;
bool hasmask;
- error = parse_oxm(payload, loose, &field, &hasmask);
+ error = nx_pull_header(payload, &field, &hasmask);
if (!error) {
- if (hasmask) {
- masked |= UINT64_C(1) << field->id;
- } else {
- exact |= UINT64_C(1) << field->id;
- }
+ bitmap_set1(hasmask ? masked.bm : exact.bm, field->id);
} else if (error != OFPERR_OFPBMC_BAD_FIELD || !loose) {
return error;
}
}
if (exactp) {
*exactp = exact;
- } else if (exact) {
+ } else if (!bitmap_is_all_zeros(exact.bm, MFF_N_IDS)) {
return OFPERR_OFPBMC_BAD_MASK;
}
if (maskedp) {
*maskedp = masked;
- } else if (masked) {
+ } else if (!bitmap_is_all_zeros(masked.bm, MFF_N_IDS)) {
return OFPERR_OFPBMC_BAD_MASK;
}
return 0;
ofputil_decode_table_features(struct ofpbuf *msg,
struct ofputil_table_features *tf, bool loose)
{
+ const struct ofp_header *oh;
struct ofp13_table_features *otf;
+ struct ofpbuf properties;
unsigned int len;
+ memset(tf, 0, sizeof *tf);
+
if (!msg->frame) {
ofpraw_pull_assert(msg);
}
+ oh = ofpbuf_l2(msg);
if (!ofpbuf_size(msg)) {
return EOF;
if (len < sizeof *otf || len % 8 || len > ofpbuf_size(msg)) {
return OFPERR_OFPBPC_BAD_LEN;
}
- ofpbuf_pull(msg, sizeof *otf);
+ ofpbuf_use_const(&properties, ofpbuf_pull(msg, len), len);
+ ofpbuf_pull(&properties, sizeof *otf);
tf->table_id = otf->table_id;
if (tf->table_id == OFPTT_ALL) {
ovs_strlcpy(tf->name, otf->name, OFP_MAX_TABLE_NAME_LEN);
tf->metadata_match = otf->metadata_match;
tf->metadata_write = otf->metadata_write;
- tf->config = ntohl(otf->config);
+ tf->miss_config = ofputil_table_miss_from_config(otf->config, oh->version);
tf->max_entries = ntohl(otf->max_entries);
- while (ofpbuf_size(msg) > 0) {
+ while (ofpbuf_size(&properties) > 0) {
struct ofpbuf payload;
enum ofperr error;
uint16_t type;
- error = pull_table_feature_property(msg, &payload, &type);
+ error = pull_table_feature_property(&properties, &payload, &type);
if (error) {
return error;
}
break;
case OFPTFPT13_WRITE_ACTIONS:
- error = parse_table_ids(&payload, &tf->nonmiss.write.actions);
+ error = parse_action_bitmap(&payload, oh->version,
+ &tf->nonmiss.write.ofpacts);
break;
case OFPTFPT13_WRITE_ACTIONS_MISS:
- error = parse_table_ids(&payload, &tf->miss.write.actions);
+ error = parse_action_bitmap(&payload, oh->version,
+ &tf->miss.write.ofpacts);
break;
case OFPTFPT13_APPLY_ACTIONS:
- error = parse_table_ids(&payload, &tf->nonmiss.apply.actions);
+ error = parse_action_bitmap(&payload, oh->version,
+ &tf->nonmiss.apply.ofpacts);
break;
case OFPTFPT13_APPLY_ACTIONS_MISS:
- error = parse_table_ids(&payload, &tf->miss.apply.actions);
+ error = parse_action_bitmap(&payload, oh->version,
+ &tf->miss.apply.ofpacts);
break;
case OFPTFPT13_MATCH:
/* Fix inconsistencies:
*
- * - Turn off 'mask' and 'wildcard' bits that are not in 'match',
- * because a field must be matchable to be masked or wildcarded.
+ * - Turn on 'match' bits that are set in 'mask', because maskable
+ * fields are matchable.
*
* - Turn on 'wildcard' bits that are set in 'mask', because a field
- * that is arbitrarily maskable can be wildcarded entirely. */
- tf->mask &= tf->match;
- tf->wildcard &= tf->match;
-
- tf->wildcard |= tf->mask;
+ * that is arbitrarily maskable can be wildcarded entirely.
+ *
+ * - Turn off 'wildcard' bits that are not in 'match', because a field
+ * must be matchable for it to be meaningfully wildcarded. */
+ bitmap_or(tf->match.bm, tf->mask.bm, MFF_N_IDS);
+ bitmap_or(tf->wildcard.bm, tf->mask.bm, MFF_N_IDS);
+ bitmap_and(tf->wildcard.bm, tf->match.bm, MFF_N_IDS);
return 0;
}
return request;
}
+static void
+put_fields_property(struct ofpbuf *reply,
+ const struct mf_bitmap *fields,
+ const struct mf_bitmap *masks,
+ enum ofp13_table_feature_prop_type property,
+ enum ofp_version version)
+{
+ size_t start_ofs;
+ int field;
+
+ start_ofs = start_property(reply, property);
+ BITMAP_FOR_EACH_1 (field, MFF_N_IDS, fields->bm) {
+ nx_put_header(reply, field, version,
+ masks && bitmap_is_set(masks->bm, field));
+ }
+ end_property(reply, start_ofs);
+}
+
+static void
+put_table_action_features(struct ofpbuf *reply,
+ const struct ofputil_table_action_features *taf,
+ enum ofp13_table_feature_prop_type actions_type,
+ enum ofp13_table_feature_prop_type set_fields_type,
+ int miss_offset, enum ofp_version version)
+{
+ size_t start_ofs;
+
+ start_ofs = start_property(reply, actions_type + miss_offset);
+ put_bitmap_properties(reply,
+ ntohl(ofpact_bitmap_to_openflow(taf->ofpacts,
+ version)));
+ end_property(reply, start_ofs);
+
+ put_fields_property(reply, &taf->set_fields, NULL,
+ set_fields_type + miss_offset, version);
+}
+
+static void
+put_table_instruction_features(
+ struct ofpbuf *reply, const struct ofputil_table_instruction_features *tif,
+ int miss_offset, enum ofp_version version)
+{
+ size_t start_ofs;
+ uint8_t table_id;
+
+ start_ofs = start_property(reply, OFPTFPT13_INSTRUCTIONS + miss_offset);
+ put_bitmap_properties(reply,
+ ntohl(ovsinst_bitmap_to_openflow(tif->instructions,
+ version)));
+ end_property(reply, start_ofs);
+
+ start_ofs = start_property(reply, OFPTFPT13_NEXT_TABLES + miss_offset);
+ BITMAP_FOR_EACH_1 (table_id, 255, tif->next) {
+ ofpbuf_put(reply, &table_id, 1);
+ }
+ end_property(reply, start_ofs);
+
+ put_table_action_features(reply, &tif->write,
+ OFPTFPT13_WRITE_ACTIONS,
+ OFPTFPT13_WRITE_SETFIELD, miss_offset, version);
+ put_table_action_features(reply, &tif->apply,
+ OFPTFPT13_APPLY_ACTIONS,
+ OFPTFPT13_APPLY_SETFIELD, miss_offset, version);
+}
+
+void
+ofputil_append_table_features_reply(const struct ofputil_table_features *tf,
+ struct list *replies)
+{
+ struct ofpbuf *reply = ofpbuf_from_list(list_back(replies));
+ enum ofp_version version = ofpmp_version(replies);
+ size_t start_ofs = ofpbuf_size(reply);
+ struct ofp13_table_features *otf;
+
+ otf = ofpbuf_put_zeros(reply, sizeof *otf);
+ otf->table_id = tf->table_id;
+ ovs_strlcpy(otf->name, tf->name, sizeof otf->name);
+ otf->metadata_match = tf->metadata_match;
+ otf->metadata_write = tf->metadata_write;
+ otf->config = ofputil_table_miss_to_config(tf->miss_config, version);
+ otf->max_entries = htonl(tf->max_entries);
+
+ put_table_instruction_features(reply, &tf->nonmiss, 0, version);
+ put_table_instruction_features(reply, &tf->miss, 1, version);
+
+ put_fields_property(reply, &tf->match, &tf->mask,
+ OFPTFPT13_MATCH, version);
+ put_fields_property(reply, &tf->wildcard, NULL,
+ OFPTFPT13_WILDCARDS, version);
+
+ otf = ofpbuf_at_assert(reply, start_ofs, sizeof *otf);
+ otf->length = htons(ofpbuf_size(reply) - start_ofs);
+ ofpmp_postappend(replies, start_ofs);
+}
+
/* ofputil_table_mod */
+/* Given 'config', taken from an OpenFlow 'version' message that specifies
+ * table configuration (a table mod, table stats, or table features message),
+ * returns the table miss configuration that it specifies. */
+static enum ofputil_table_miss
+ofputil_table_miss_from_config(ovs_be32 config_, enum ofp_version version)
+{
+ uint32_t config = ntohl(config_);
+
+ if (version < OFP13_VERSION) {
+ switch (config & OFPTC11_TABLE_MISS_MASK) {
+ case OFPTC11_TABLE_MISS_CONTROLLER:
+ return OFPUTIL_TABLE_MISS_CONTROLLER;
+
+ case OFPTC11_TABLE_MISS_CONTINUE:
+ return OFPUTIL_TABLE_MISS_CONTINUE;
+
+ case OFPTC11_TABLE_MISS_DROP:
+ return OFPUTIL_TABLE_MISS_DROP;
+
+ default:
+ VLOG_WARN_RL(&bad_ofmsg_rl, "bad table miss config %d", config);
+ return OFPUTIL_TABLE_MISS_CONTROLLER;
+ }
+ } else {
+ return OFPUTIL_TABLE_MISS_DEFAULT;
+ }
+}
+
+/* Given a table miss configuration, returns the corresponding OpenFlow table
+ * configuration for use in an OpenFlow message of the given 'version'. */
+ovs_be32
+ofputil_table_miss_to_config(enum ofputil_table_miss miss,
+ enum ofp_version version)
+{
+ if (version < OFP13_VERSION) {
+ switch (miss) {
+ case OFPUTIL_TABLE_MISS_CONTROLLER:
+ case OFPUTIL_TABLE_MISS_DEFAULT:
+ return htonl(OFPTC11_TABLE_MISS_CONTROLLER);
+
+ case OFPUTIL_TABLE_MISS_CONTINUE:
+ return htonl(OFPTC11_TABLE_MISS_CONTINUE);
+
+ case OFPUTIL_TABLE_MISS_DROP:
+ return htonl(OFPTC11_TABLE_MISS_DROP);
+
+ default:
+ OVS_NOT_REACHED();
+ }
+ } else {
+ return htonl(0);
+ }
+}
+
/* Decodes the OpenFlow "table mod" message in '*oh' into an abstract form in
* '*pm'. Returns 0 if successful, otherwise an OFPERR_* value. */
enum ofperr
const struct ofp11_table_mod *otm = ofpbuf_data(&b);
pm->table_id = otm->table_id;
- pm->config = ntohl(otm->config);
+ pm->miss_config = ofputil_table_miss_from_config(otm->config,
+ oh->version);
} else if (raw == OFPRAW_OFPT14_TABLE_MOD) {
const struct ofp14_table_mod *otm = ofpbuf_pull(&b, sizeof *otm);
pm->table_id = otm->table_id;
- pm->config = ntohl(otm->config);
+ pm->miss_config = ofputil_table_miss_from_config(otm->config,
+ oh->version);
/* We do not understand any properties yet, so we do not bother
* parsing them. */
} else {
b = ofpraw_alloc(OFPRAW_OFPT11_TABLE_MOD, ofp_version, 0);
otm = ofpbuf_put_zeros(b, sizeof *otm);
otm->table_id = pm->table_id;
- otm->config = htonl(pm->config);
+ otm->config = ofputil_table_miss_to_config(pm->miss_config,
+ ofp_version);
break;
}
case OFP14_VERSION:
b = ofpraw_alloc(OFPRAW_OFPT14_TABLE_MOD, ofp_version, 0);
otm = ofpbuf_put_zeros(b, sizeof *otm);
otm->table_id = pm->table_id;
- otm->config = htonl(pm->config);
+ otm->config = ofputil_table_miss_to_config(pm->miss_config,
+ ofp_version);
break;
}
default:
return buf;
}
\f
+/* Encodes "role status" message 'status' for sending in the given
+ * 'protocol'. Returns the role status message, if 'protocol' supports them,
+ * otherwise a null pointer. */
struct ofpbuf *
ofputil_encode_role_status(const struct ofputil_role_status *status,
enum ofputil_protocol protocol)
{
- struct ofpbuf *buf;
enum ofp_version version;
- struct ofp14_role_status *rstatus;
version = ofputil_protocol_to_ofp_version(protocol);
- buf = ofpraw_alloc_xid(OFPRAW_OFPT14_ROLE_STATUS, version, htonl(0), 0);
- rstatus = ofpbuf_put_zeros(buf, sizeof *rstatus);
- rstatus->role = htonl(status->role);
- rstatus->reason = status->reason;
- rstatus->generation_id = htonll(status->generation_id);
-
- return buf;
+ if (version >= OFP14_VERSION) {
+ struct ofp14_role_status *rstatus;
+ struct ofpbuf *buf;
+
+ buf = ofpraw_alloc_xid(OFPRAW_OFPT14_ROLE_STATUS, version, htonl(0),
+ 0);
+ rstatus = ofpbuf_put_zeros(buf, sizeof *rstatus);
+ rstatus->role = htonl(status->role);
+ rstatus->reason = status->reason;
+ rstatus->generation_id = htonll(status->generation_id);
+
+ return buf;
+ } else {
+ return NULL;
+ }
}
enum ofperr
/* Table stats. */
+/* OpenFlow 1.0 and 1.1 don't distinguish between a field that cannot be
+ * matched and a field that must be wildcarded. This function returns a bitmap
+ * that contains both kinds of fields. */
+static struct mf_bitmap
+wild_or_nonmatchable_fields(const struct ofputil_table_features *features)
+{
+ struct mf_bitmap wc = features->match;
+ bitmap_not(wc.bm, MFF_N_IDS);
+ bitmap_or(wc.bm, features->wildcard.bm, MFF_N_IDS);
+ return wc;
+}
+
+struct ofp10_wc_map {
+ enum ofp10_flow_wildcards wc10;
+ enum mf_field_id mf;
+};
+
+static const struct ofp10_wc_map ofp10_wc_map[] = {
+ { OFPFW10_IN_PORT, MFF_IN_PORT },
+ { OFPFW10_DL_VLAN, MFF_VLAN_VID },
+ { OFPFW10_DL_SRC, MFF_ETH_SRC },
+ { OFPFW10_DL_DST, MFF_ETH_DST},
+ { OFPFW10_DL_TYPE, MFF_ETH_TYPE },
+ { OFPFW10_NW_PROTO, MFF_IP_PROTO },
+ { OFPFW10_TP_SRC, MFF_TCP_SRC },
+ { OFPFW10_TP_DST, MFF_TCP_DST },
+ { OFPFW10_NW_SRC_MASK, MFF_IPV4_SRC },
+ { OFPFW10_NW_DST_MASK, MFF_IPV4_DST },
+ { OFPFW10_DL_VLAN_PCP, MFF_VLAN_PCP },
+ { OFPFW10_NW_TOS, MFF_IP_DSCP },
+};
+
+static ovs_be32
+mf_bitmap_to_of10(const struct mf_bitmap *fields)
+{
+ const struct ofp10_wc_map *p;
+ uint32_t wc10 = 0;
+
+ for (p = ofp10_wc_map; p < &ofp10_wc_map[ARRAY_SIZE(ofp10_wc_map)]; p++) {
+ if (bitmap_is_set(fields->bm, p->mf)) {
+ wc10 |= p->wc10;
+ }
+ }
+ return htonl(wc10);
+}
+
+static struct mf_bitmap
+mf_bitmap_from_of10(ovs_be32 wc10_)
+{
+ struct mf_bitmap fields = MF_BITMAP_INITIALIZER;
+ const struct ofp10_wc_map *p;
+ uint32_t wc10 = ntohl(wc10_);
+
+ for (p = ofp10_wc_map; p < &ofp10_wc_map[ARRAY_SIZE(ofp10_wc_map)]; p++) {
+ if (wc10 & p->wc10) {
+ bitmap_set1(fields.bm, p->mf);
+ }
+ }
+ return fields;
+}
+
static void
-ofputil_put_ofp10_table_stats(const struct ofp12_table_stats *in,
+ofputil_put_ofp10_table_stats(const struct ofputil_table_stats *stats,
+ const struct ofputil_table_features *features,
struct ofpbuf *buf)
{
- struct wc_map {
- enum ofp10_flow_wildcards wc10;
- enum oxm12_ofb_match_fields mf12;
- };
-
- static const struct wc_map wc_map[] = {
- { OFPFW10_IN_PORT, OFPXMT12_OFB_IN_PORT },
- { OFPFW10_DL_VLAN, OFPXMT12_OFB_VLAN_VID },
- { OFPFW10_DL_SRC, OFPXMT12_OFB_ETH_SRC },
- { OFPFW10_DL_DST, OFPXMT12_OFB_ETH_DST},
- { OFPFW10_DL_TYPE, OFPXMT12_OFB_ETH_TYPE },
- { OFPFW10_NW_PROTO, OFPXMT12_OFB_IP_PROTO },
- { OFPFW10_TP_SRC, OFPXMT12_OFB_TCP_SRC },
- { OFPFW10_TP_DST, OFPXMT12_OFB_TCP_DST },
- { OFPFW10_NW_SRC_MASK, OFPXMT12_OFB_IPV4_SRC },
- { OFPFW10_NW_DST_MASK, OFPXMT12_OFB_IPV4_DST },
- { OFPFW10_DL_VLAN_PCP, OFPXMT12_OFB_VLAN_PCP },
- { OFPFW10_NW_TOS, OFPXMT12_OFB_IP_DSCP },
- };
-
+ struct mf_bitmap wc = wild_or_nonmatchable_fields(features);
struct ofp10_table_stats *out;
- const struct wc_map *p;
out = ofpbuf_put_zeros(buf, sizeof *out);
- out->table_id = in->table_id;
- 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)) {
- out->wildcards |= htonl(p->wc10);
+ out->table_id = features->table_id;
+ ovs_strlcpy(out->name, features->name, sizeof out->name);
+ out->wildcards = mf_bitmap_to_of10(&wc);
+ out->max_entries = htonl(features->max_entries);
+ out->active_count = htonl(stats->active_count);
+ put_32aligned_be64(&out->lookup_count, htonll(stats->lookup_count));
+ put_32aligned_be64(&out->matched_count, htonll(stats->matched_count));
+}
+
+struct ofp11_wc_map {
+ enum ofp11_flow_match_fields wc11;
+ enum mf_field_id mf;
+};
+
+static const struct ofp11_wc_map ofp11_wc_map[] = {
+ { OFPFMF11_IN_PORT, MFF_IN_PORT },
+ { OFPFMF11_DL_VLAN, MFF_VLAN_VID },
+ { OFPFMF11_DL_VLAN_PCP, MFF_VLAN_PCP },
+ { OFPFMF11_DL_TYPE, MFF_ETH_TYPE },
+ { OFPFMF11_NW_TOS, MFF_IP_DSCP },
+ { OFPFMF11_NW_PROTO, MFF_IP_PROTO },
+ { OFPFMF11_TP_SRC, MFF_TCP_SRC },
+ { OFPFMF11_TP_DST, MFF_TCP_DST },
+ { OFPFMF11_MPLS_LABEL, MFF_MPLS_LABEL },
+ { OFPFMF11_MPLS_TC, MFF_MPLS_TC },
+ /* I don't know what OFPFMF11_TYPE means. */
+ { OFPFMF11_DL_SRC, MFF_ETH_SRC },
+ { OFPFMF11_DL_DST, MFF_ETH_DST },
+ { OFPFMF11_NW_SRC, MFF_IPV4_SRC },
+ { OFPFMF11_NW_DST, MFF_IPV4_DST },
+ { OFPFMF11_METADATA, MFF_METADATA },
+};
+
+static ovs_be32
+mf_bitmap_to_of11(const struct mf_bitmap *fields)
+{
+ const struct ofp11_wc_map *p;
+ uint32_t wc11 = 0;
+
+ for (p = ofp11_wc_map; p < &ofp11_wc_map[ARRAY_SIZE(ofp11_wc_map)]; p++) {
+ if (bitmap_is_set(fields->bm, p->mf)) {
+ wc11 |= p->wc11;
}
}
- out->max_entries = in->max_entries;
- out->active_count = in->active_count;
- put_32aligned_be64(&out->lookup_count, in->lookup_count);
- put_32aligned_be64(&out->matched_count, in->matched_count);
+ return htonl(wc11);
}
-static ovs_be32
-oxm12_to_ofp11_flow_match_fields(ovs_be64 oxm12)
-{
- struct map {
- enum ofp11_flow_match_fields fmf11;
- enum oxm12_ofb_match_fields mf12;
- };
-
- static const struct map map[] = {
- { OFPFMF11_IN_PORT, OFPXMT12_OFB_IN_PORT },
- { OFPFMF11_DL_VLAN, OFPXMT12_OFB_VLAN_VID },
- { OFPFMF11_DL_VLAN_PCP, OFPXMT12_OFB_VLAN_PCP },
- { OFPFMF11_DL_TYPE, OFPXMT12_OFB_ETH_TYPE },
- { OFPFMF11_NW_TOS, OFPXMT12_OFB_IP_DSCP },
- { OFPFMF11_NW_PROTO, OFPXMT12_OFB_IP_PROTO },
- { OFPFMF11_TP_SRC, OFPXMT12_OFB_TCP_SRC },
- { OFPFMF11_TP_DST, OFPXMT12_OFB_TCP_DST },
- { OFPFMF11_MPLS_LABEL, OFPXMT12_OFB_MPLS_LABEL },
- { OFPFMF11_MPLS_TC, OFPXMT12_OFB_MPLS_TC },
- /* I don't know what OFPFMF11_TYPE means. */
- { OFPFMF11_DL_SRC, OFPXMT12_OFB_ETH_SRC },
- { OFPFMF11_DL_DST, OFPXMT12_OFB_ETH_DST },
- { OFPFMF11_NW_SRC, OFPXMT12_OFB_IPV4_SRC },
- { OFPFMF11_NW_DST, OFPXMT12_OFB_IPV4_DST },
- { OFPFMF11_METADATA, OFPXMT12_OFB_METADATA },
- };
-
- const struct map *p;
- uint32_t fmf11;
-
- fmf11 = 0;
- for (p = map; p < &map[ARRAY_SIZE(map)]; p++) {
- if (oxm12 & htonll(1ULL << p->mf12)) {
- fmf11 |= p->fmf11;
- }
- }
- return htonl(fmf11);
+static struct mf_bitmap
+mf_bitmap_from_of11(ovs_be32 wc11_)
+{
+ struct mf_bitmap fields = MF_BITMAP_INITIALIZER;
+ const struct ofp11_wc_map *p;
+ uint32_t wc11 = ntohl(wc11_);
+
+ for (p = ofp11_wc_map; p < &ofp11_wc_map[ARRAY_SIZE(ofp11_wc_map)]; p++) {
+ if (wc11 & p->wc11) {
+ bitmap_set1(fields.bm, p->mf);
+ }
+ }
+ return fields;
}
static void
-ofputil_put_ofp11_table_stats(const struct ofp12_table_stats *in,
+ofputil_put_ofp11_table_stats(const struct ofputil_table_stats *stats,
+ const struct ofputil_table_features *features,
struct ofpbuf *buf)
{
+ struct mf_bitmap wc = wild_or_nonmatchable_fields(features);
struct ofp11_table_stats *out;
out = ofpbuf_put_zeros(buf, sizeof *out);
- out->table_id = in->table_id;
- 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;
- out->write_actions = in->write_actions;
- out->apply_actions = in->apply_actions;
- out->config = in->config;
- out->max_entries = in->max_entries;
- out->active_count = in->active_count;
- out->lookup_count = in->lookup_count;
- out->matched_count = in->matched_count;
+ out->table_id = features->table_id;
+ ovs_strlcpy(out->name, features->name, sizeof out->name);
+ out->wildcards = mf_bitmap_to_of11(&wc);
+ out->match = mf_bitmap_to_of11(&features->match);
+ out->instructions = ovsinst_bitmap_to_openflow(
+ features->nonmiss.instructions, OFP11_VERSION);
+ out->write_actions = ofpact_bitmap_to_openflow(
+ features->nonmiss.write.ofpacts, OFP11_VERSION);
+ out->apply_actions = ofpact_bitmap_to_openflow(
+ features->nonmiss.apply.ofpacts, OFP11_VERSION);
+ out->config = htonl(features->miss_config);
+ out->max_entries = htonl(features->max_entries);
+ out->active_count = htonl(stats->active_count);
+ out->lookup_count = htonll(stats->lookup_count);
+ out->matched_count = htonll(stats->matched_count);
}
static void
-ofputil_put_ofp12_table_stats(const struct ofp12_table_stats *in,
+ofputil_put_ofp12_table_stats(const struct ofputil_table_stats *stats,
+ const struct ofputil_table_features *features,
struct ofpbuf *buf)
{
- struct ofp12_table_stats *out = ofpbuf_put(buf, in, sizeof *in);
+ struct ofp12_table_stats *out;
- /* Trim off OF1.3-only capabilities. */
- out->match &= htonll(OFPXMT12_MASK);
- out->wildcards &= htonll(OFPXMT12_MASK);
- out->write_setfields &= htonll(OFPXMT12_MASK);
- out->apply_setfields &= htonll(OFPXMT12_MASK);
+ out = ofpbuf_put_zeros(buf, sizeof *out);
+ out->table_id = features->table_id;
+ ovs_strlcpy(out->name, features->name, sizeof out->name);
+ out->match = oxm_bitmap_from_mf_bitmap(&features->match, OFP12_VERSION);
+ out->wildcards = oxm_bitmap_from_mf_bitmap(&features->wildcard,
+ OFP12_VERSION);
+ out->write_actions = ofpact_bitmap_to_openflow(
+ features->nonmiss.write.ofpacts, OFP12_VERSION);
+ out->apply_actions = ofpact_bitmap_to_openflow(
+ features->nonmiss.apply.ofpacts, OFP12_VERSION);
+ out->write_setfields = oxm_bitmap_from_mf_bitmap(
+ &features->nonmiss.write.set_fields, OFP12_VERSION);
+ out->apply_setfields = oxm_bitmap_from_mf_bitmap(
+ &features->nonmiss.apply.set_fields, OFP12_VERSION);
+ out->metadata_match = features->metadata_match;
+ out->metadata_write = features->metadata_write;
+ out->instructions = ovsinst_bitmap_to_openflow(
+ features->nonmiss.instructions, OFP12_VERSION);
+ out->config = ofputil_table_miss_to_config(features->miss_config,
+ OFP12_VERSION);
+ out->max_entries = htonl(features->max_entries);
+ out->active_count = htonl(stats->active_count);
+ out->lookup_count = htonll(stats->lookup_count);
+ out->matched_count = htonll(stats->matched_count);
}
static void
-ofputil_put_ofp13_table_stats(const struct ofp12_table_stats *in,
+ofputil_put_ofp13_table_stats(const struct ofputil_table_stats *stats,
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;
+ out = ofpbuf_put_zeros(buf, sizeof *out);
+ out->table_id = stats->table_id;
+ out->active_count = htonl(stats->active_count);
+ out->lookup_count = htonll(stats->lookup_count);
+ out->matched_count = htonll(stats->matched_count);
}
struct ofpbuf *
-ofputil_encode_table_stats_reply(const struct ofp12_table_stats stats[], int n,
- const struct ofp_header *request)
+ofputil_encode_table_stats_reply(const struct ofp_header *request)
{
- struct ofpbuf *reply;
- int i;
+ return ofpraw_alloc_stats_reply(request, 0);
+}
+
+void
+ofputil_append_table_stats_reply(struct ofpbuf *reply,
+ const struct ofputil_table_stats *stats,
+ const struct ofputil_table_features *features)
+{
+ struct ofp_header *oh = ofpbuf_l2(reply);
- reply = ofpraw_alloc_stats_reply(request, n * sizeof *stats);
+ ovs_assert(stats->table_id == features->table_id);
- for (i = 0; i < n; i++) {
- switch ((enum ofp_version) request->version) {
- case OFP10_VERSION:
- ofputil_put_ofp10_table_stats(&stats[i], reply);
- break;
+ switch ((enum ofp_version) oh->version) {
+ case OFP10_VERSION:
+ ofputil_put_ofp10_table_stats(stats, features, reply);
+ break;
- case OFP11_VERSION:
- ofputil_put_ofp11_table_stats(&stats[i], reply);
- break;
+ case OFP11_VERSION:
+ ofputil_put_ofp11_table_stats(stats, features, reply);
+ break;
- case OFP12_VERSION:
- ofputil_put_ofp12_table_stats(&stats[i], reply);
- break;
+ case OFP12_VERSION:
+ ofputil_put_ofp12_table_stats(stats, features, reply);
+ break;
- case OFP13_VERSION:
- case OFP14_VERSION:
- case OFP15_VERSION:
- ofputil_put_ofp13_table_stats(&stats[i], reply);
- break;
+ case OFP13_VERSION:
+ case OFP14_VERSION:
+ case OFP15_VERSION:
+ ofputil_put_ofp13_table_stats(stats, reply);
+ break;
- default:
- OVS_NOT_REACHED();
- }
+ default:
+ OVS_NOT_REACHED();
}
+}
- return reply;
+static int
+ofputil_decode_ofp10_table_stats(struct ofpbuf *msg,
+ struct ofputil_table_stats *stats,
+ struct ofputil_table_features *features)
+{
+ struct ofp10_table_stats *ots;
+
+ ots = ofpbuf_try_pull(msg, sizeof *ots);
+ if (!ots) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+
+ features->table_id = ots->table_id;
+ ovs_strlcpy(features->name, ots->name, sizeof features->name);
+ features->max_entries = ntohl(ots->max_entries);
+ features->match = features->wildcard = mf_bitmap_from_of10(ots->wildcards);
+
+ stats->table_id = ots->table_id;
+ stats->active_count = ntohl(ots->active_count);
+ stats->lookup_count = ntohll(get_32aligned_be64(&ots->lookup_count));
+ stats->matched_count = ntohll(get_32aligned_be64(&ots->matched_count));
+
+ return 0;
+}
+
+static int
+ofputil_decode_ofp11_table_stats(struct ofpbuf *msg,
+ struct ofputil_table_stats *stats,
+ struct ofputil_table_features *features)
+{
+ struct ofp11_table_stats *ots;
+
+ ots = ofpbuf_try_pull(msg, sizeof *ots);
+ if (!ots) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+
+ features->table_id = ots->table_id;
+ ovs_strlcpy(features->name, ots->name, sizeof features->name);
+ features->max_entries = ntohl(ots->max_entries);
+ features->nonmiss.instructions = ovsinst_bitmap_from_openflow(
+ ots->instructions, OFP11_VERSION);
+ features->nonmiss.write.ofpacts = ofpact_bitmap_from_openflow(
+ ots->write_actions, OFP11_VERSION);
+ features->nonmiss.apply.ofpacts = ofpact_bitmap_from_openflow(
+ ots->write_actions, OFP11_VERSION);
+ features->miss = features->nonmiss;
+ features->miss_config = ofputil_table_miss_from_config(ots->config,
+ OFP11_VERSION);
+ features->match = mf_bitmap_from_of11(ots->match);
+ features->wildcard = mf_bitmap_from_of11(ots->wildcards);
+ bitmap_or(features->match.bm, features->wildcard.bm, MFF_N_IDS);
+
+ stats->table_id = ots->table_id;
+ stats->active_count = ntohl(ots->active_count);
+ stats->lookup_count = ntohll(ots->lookup_count);
+ stats->matched_count = ntohll(ots->matched_count);
+
+ return 0;
+}
+
+static int
+ofputil_decode_ofp12_table_stats(struct ofpbuf *msg,
+ struct ofputil_table_stats *stats,
+ struct ofputil_table_features *features)
+{
+ struct ofp12_table_stats *ots;
+
+ ots = ofpbuf_try_pull(msg, sizeof *ots);
+ if (!ots) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+
+ features->table_id = ots->table_id;
+ ovs_strlcpy(features->name, ots->name, sizeof features->name);
+ features->metadata_match = ots->metadata_match;
+ features->metadata_write = ots->metadata_write;
+ features->miss_config = ofputil_table_miss_from_config(ots->config,
+ OFP12_VERSION);
+ features->max_entries = ntohl(ots->max_entries);
+
+ features->nonmiss.instructions = ovsinst_bitmap_from_openflow(
+ ots->instructions, OFP12_VERSION);
+ features->nonmiss.write.ofpacts = ofpact_bitmap_from_openflow(
+ ots->write_actions, OFP12_VERSION);
+ features->nonmiss.apply.ofpacts = ofpact_bitmap_from_openflow(
+ ots->apply_actions, OFP12_VERSION);
+ features->nonmiss.write.set_fields = oxm_bitmap_to_mf_bitmap(
+ ots->write_setfields, OFP12_VERSION);
+ features->nonmiss.apply.set_fields = oxm_bitmap_to_mf_bitmap(
+ ots->apply_setfields, OFP12_VERSION);
+ features->miss = features->nonmiss;
+
+ features->match = oxm_bitmap_to_mf_bitmap(ots->match, OFP12_VERSION);
+ features->wildcard = oxm_bitmap_to_mf_bitmap(ots->wildcards,
+ OFP12_VERSION);
+ bitmap_or(features->match.bm, features->wildcard.bm, MFF_N_IDS);
+
+ stats->table_id = ots->table_id;
+ stats->active_count = ntohl(ots->active_count);
+ stats->lookup_count = ntohll(ots->lookup_count);
+ stats->matched_count = ntohll(ots->matched_count);
+
+ return 0;
+}
+
+static int
+ofputil_decode_ofp13_table_stats(struct ofpbuf *msg,
+ struct ofputil_table_stats *stats,
+ struct ofputil_table_features *features)
+{
+ struct ofp13_table_stats *ots;
+
+ ots = ofpbuf_try_pull(msg, sizeof *ots);
+ if (!ots) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+
+ features->table_id = ots->table_id;
+
+ stats->table_id = ots->table_id;
+ stats->active_count = ntohl(ots->active_count);
+ stats->lookup_count = ntohll(ots->lookup_count);
+ stats->matched_count = ntohll(ots->matched_count);
+
+ return 0;
+}
+
+int
+ofputil_decode_table_stats_reply(struct ofpbuf *msg,
+ struct ofputil_table_stats *stats,
+ struct ofputil_table_features *features)
+{
+ const struct ofp_header *oh;
+
+ if (!msg->frame) {
+ ofpraw_pull_assert(msg);
+ }
+ oh = msg->frame;
+
+ if (!ofpbuf_size(msg)) {
+ return EOF;
+ }
+
+ memset(stats, 0, sizeof *stats);
+ memset(features, 0, sizeof *features);
+
+ switch ((enum ofp_version) oh->version) {
+ case OFP10_VERSION:
+ return ofputil_decode_ofp10_table_stats(msg, stats, features);
+
+ case OFP11_VERSION:
+ return ofputil_decode_ofp11_table_stats(msg, stats, features);
+
+ case OFP12_VERSION:
+ return ofputil_decode_ofp12_table_stats(msg, stats, features);
+
+ case OFP13_VERSION:
+ case OFP14_VERSION:
+ case OFP15_VERSION:
+ return ofputil_decode_ofp13_table_stats(msg, stats, features);
+
+ default:
+ OVS_NOT_REACHED();
+ }
}
\f
/* ofputil_flow_monitor_request */
OFPUTIL_NAMED_PORT(ALL) \
OFPUTIL_NAMED_PORT(CONTROLLER) \
OFPUTIL_NAMED_PORT(LOCAL) \
- OFPUTIL_NAMED_PORT(ANY)
+ OFPUTIL_NAMED_PORT(ANY) \
+ OFPUTIL_NAMED_PORT(UNSET)
/* For backwards compatibility, so that "none" is recognized as OFPP_ANY */
#define OFPUTIL_NAMED_PORTS_WITH_NONE \
}
}
-/* ofp-util.def lists the mapping from names to action. */
-static const char *const names[OFPUTIL_N_ACTIONS] = {
- NULL,
-#define OFPAT10_ACTION(ENUM, STRUCT, NAME) NAME,
-#define OFPAT11_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) NAME,
-#define OFPAT13_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) NAME,
-#define NXAST_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) NAME,
-#include "ofp-util.def"
-};
-
-/* Returns the 'enum ofputil_action_code' corresponding to 'name' (e.g. if
- * 'name' is "output" then the return value is OFPUTIL_OFPAT10_OUTPUT), or -1
- * if 'name' is not the name of any action. */
-int
-ofputil_action_code_from_name(const char *name)
-{
- const char *const *p;
-
- for (p = names; p < &names[ARRAY_SIZE(names)]; p++) {
- if (*p && !strcasecmp(name, *p)) {
- return p - names;
- }
- }
- return -1;
-}
-
-/* Returns name corresponding to the 'enum ofputil_action_code',
- * or "Unkonwn action", if the name is not available. */
-const char *
-ofputil_action_name_from_code(enum ofputil_action_code code)
-{
- return code < (int)OFPUTIL_N_ACTIONS && names[code] ? names[code]
- : "Unknown action";
-}
-
-enum ofputil_action_code
-ofputil_action_code_from_ofp13_action(enum ofp13_action_type type)
-{
- switch (type) {
-
-#define OFPAT13_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) \
- case ENUM: \
- return OFPUTIL_##ENUM;
-#include "ofp-util.def"
-
- default:
- return OFPUTIL_ACTION_INVALID;
- }
-}
-
-/* Appends an action of the type specified by 'code' to 'buf' and returns the
- * action. Initializes the parts of 'action' that identify it as having type
- * <ENUM> and length 'sizeof *action' and zeros the rest. For actions that
- * have variable length, the length used and cleared is that of struct
- * <STRUCT>. */
-void *
-ofputil_put_action(enum ofputil_action_code code, struct ofpbuf *buf)
-{
- switch (code) {
- case OFPUTIL_ACTION_INVALID:
-#define OFPAT13_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) case OFPUTIL_##ENUM:
-#include "ofp-util.def"
- OVS_NOT_REACHED();
-
-#define OFPAT10_ACTION(ENUM, STRUCT, NAME) \
- case OFPUTIL_##ENUM: return ofputil_put_##ENUM(buf);
-#define OFPAT11_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) \
- case OFPUTIL_##ENUM: return ofputil_put_##ENUM(buf);
-#define NXAST_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) \
- case OFPUTIL_##ENUM: return ofputil_put_##ENUM(buf);
-#include "ofp-util.def"
- }
- OVS_NOT_REACHED();
-}
-
-#define OFPAT10_ACTION(ENUM, STRUCT, NAME) \
- void \
- ofputil_init_##ENUM(struct STRUCT *s) \
- { \
- memset(s, 0, sizeof *s); \
- s->type = htons(ENUM); \
- s->len = htons(sizeof *s); \
- } \
- \
- struct STRUCT * \
- ofputil_put_##ENUM(struct ofpbuf *buf) \
- { \
- struct STRUCT *s = ofpbuf_put_uninit(buf, sizeof *s); \
- ofputil_init_##ENUM(s); \
- return s; \
- }
-#define OFPAT11_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) \
- OFPAT10_ACTION(ENUM, STRUCT, NAME)
-#define OFPAT13_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) \
- OFPAT10_ACTION(ENUM, STRUCT, NAME)
-#define NXAST_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) \
- void \
- ofputil_init_##ENUM(struct STRUCT *s) \
- { \
- memset(s, 0, sizeof *s); \
- s->type = htons(OFPAT10_VENDOR); \
- s->len = htons(sizeof *s); \
- s->vendor = htonl(NX_VENDOR_ID); \
- s->subtype = htons(ENUM); \
- } \
- \
- struct STRUCT * \
- ofputil_put_##ENUM(struct ofpbuf *buf) \
- { \
- struct STRUCT *s = ofpbuf_put_uninit(buf, sizeof *s); \
- ofputil_init_##ENUM(s); \
- return s; \
- }
-#include "ofp-util.def"
-
static void
ofputil_normalize_match__(struct match *match, bool may_log)
{
{
struct ofp12_group_features_stats *ogf;
struct ofpbuf *reply;
+ int i;
reply = ofpraw_alloc_xid(OFPRAW_OFPST12_GROUP_FEATURES_REPLY,
request->version, request->xid, 0);
ogf = ofpbuf_put_zeros(reply, sizeof *ogf);
ogf->types = htonl(features->types);
ogf->capabilities = htonl(features->capabilities);
- ogf->max_groups[0] = htonl(features->max_groups[0]);
- ogf->max_groups[1] = htonl(features->max_groups[1]);
- ogf->max_groups[2] = htonl(features->max_groups[2]);
- ogf->max_groups[3] = htonl(features->max_groups[3]);
- ogf->actions[0] = htonl(features->actions[0]);
- ogf->actions[1] = htonl(features->actions[1]);
- ogf->actions[2] = htonl(features->actions[2]);
- ogf->actions[3] = htonl(features->actions[3]);
+ for (i = 0; i < OFPGT12_N_TYPES; i++) {
+ ogf->max_groups[i] = htonl(features->max_groups[i]);
+ ogf->actions[i] = ofpact_bitmap_to_openflow(features->ofpacts[i],
+ request->version);
+ }
return reply;
}
struct ofputil_group_features *features)
{
const struct ofp12_group_features_stats *ogf = ofpmsg_body(oh);
+ int i;
features->types = ntohl(ogf->types);
features->capabilities = ntohl(ogf->capabilities);
- features->max_groups[0] = ntohl(ogf->max_groups[0]);
- features->max_groups[1] = ntohl(ogf->max_groups[1]);
- features->max_groups[2] = ntohl(ogf->max_groups[2]);
- features->max_groups[3] = ntohl(ogf->max_groups[3]);
- features->actions[0] = ntohl(ogf->actions[0]);
- features->actions[1] = ntohl(ogf->actions[1]);
- features->actions[2] = ntohl(ogf->actions[2]);
- features->actions[3] = ntohl(ogf->actions[3]);
+ for (i = 0; i < OFPGT12_N_TYPES; i++) {
+ features->max_groups[i] = ntohl(ogf->max_groups[i]);
+ features->ofpacts[i] = ofpact_bitmap_from_openflow(
+ ogf->actions[i], oh->version);
+ }
}
/* Parse a group status request message into a 32 bit OpenFlow 1.1
return err;
}
+ switch (gm->type) {
+ case OFPGT11_INDIRECT:
+ if (!list_is_singleton(&gm->buckets)) {
+ return OFPERR_OFPGMFC_INVALID_GROUP;
+ }
+ break;
+ case OFPGT11_ALL:
+ case OFPGT11_SELECT:
+ case OFPGT11_FF:
+ break;
+ default:
+ OVS_NOT_REACHED();
+ }
+
LIST_FOR_EACH (bucket, list_node, &gm->buckets) {
switch (gm->type) {
case OFPGT11_ALL: