void
ofputil_wildcard_from_ofpfw10(uint32_t ofpfw, struct flow_wildcards *wc)
{
- BUILD_ASSERT_DECL(FLOW_WC_SEQ == 21);
+ BUILD_ASSERT_DECL(FLOW_WC_SEQ == 22);
/* Initialize most of wc. */
flow_wildcards_init_catchall(wc);
}
}
-/* Converts the ofp11_match in 'match' into a struct match in 'match. Returns
- * 0 if successful, otherwise an OFPERR_* value. */
+/* Converts the ofp11_match in 'ofmatch' into a struct match in 'match'.
+ * Returns 0 if successful, otherwise an OFPERR_* value. */
enum ofperr
ofputil_match_from_ofp11_match(const struct ofp11_match *ofmatch,
struct match *match)
return error;
}
- error = ofpacts_pull_openflow11_instructions(&b, b.size, ofpacts);
+ error = ofpacts_pull_openflow11_instructions(&b, oh->version,
+ b.size, ofpacts);
if (error) {
return error;
}
return 0;
}
+/* Constructs and returns an OFPT_QUEUE_GET_CONFIG request for the specified
+ * 'port', suitable for OpenFlow version 'version'. */
+struct ofpbuf *
+ofputil_encode_queue_get_config_request(enum ofp_version version,
+ ofp_port_t port)
+{
+ struct ofpbuf *request;
+
+ if (version == OFP10_VERSION) {
+ struct ofp10_queue_get_config_request *qgcr10;
+
+ request = ofpraw_alloc(OFPRAW_OFPT10_QUEUE_GET_CONFIG_REQUEST,
+ version, 0);
+ qgcr10 = ofpbuf_put_zeros(request, sizeof *qgcr10);
+ qgcr10->port = htons(ofp_to_u16(port));
+ } else {
+ struct ofp11_queue_get_config_request *qgcr11;
+
+ request = ofpraw_alloc(OFPRAW_OFPT11_QUEUE_GET_CONFIG_REQUEST,
+ version, 0);
+ qgcr11 = ofpbuf_put_zeros(request, sizeof *qgcr11);
+ qgcr11->port = ofputil_port_to_ofp11(port);
+ }
+
+ return request;
+}
+
+/* Parses OFPT_QUEUE_GET_CONFIG request 'oh', storing the port specified by the
+ * request into '*port'. Returns 0 if successful, otherwise an OpenFlow error
+ * code. */
+enum ofperr
+ofputil_decode_queue_get_config_request(const struct ofp_header *oh,
+ ofp_port_t *port)
+{
+ const struct ofp10_queue_get_config_request *qgcr10;
+ const struct ofp11_queue_get_config_request *qgcr11;
+ enum ofpraw raw;
+ struct ofpbuf b;
+
+ ofpbuf_use_const(&b, oh, ntohs(oh->length));
+ raw = ofpraw_pull_assert(&b);
+
+ switch ((int) raw) {
+ case OFPRAW_OFPT10_QUEUE_GET_CONFIG_REQUEST:
+ qgcr10 = b.data;
+ *port = u16_to_ofp(ntohs(qgcr10->port));
+ return 0;
+
+ case OFPRAW_OFPT11_QUEUE_GET_CONFIG_REQUEST:
+ qgcr11 = b.data;
+ return ofputil_port_from_ofp11(qgcr11->port, port);
+ }
+
+ NOT_REACHED();
+}
+
+/* Constructs and returns the beginning of a reply to
+ * OFPT_QUEUE_GET_CONFIG_REQUEST 'oh'. The caller may append information about
+ * individual queues with ofputil_append_queue_get_config_reply(). */
+struct ofpbuf *
+ofputil_encode_queue_get_config_reply(const struct ofp_header *oh)
+{
+ struct ofp10_queue_get_config_reply *qgcr10;
+ struct ofp11_queue_get_config_reply *qgcr11;
+ struct ofpbuf *reply;
+ enum ofperr error;
+ struct ofpbuf b;
+ enum ofpraw raw;
+ ofp_port_t port;
+
+ error = ofputil_decode_queue_get_config_request(oh, &port);
+ ovs_assert(!error);
+
+ ofpbuf_use_const(&b, oh, ntohs(oh->length));
+ raw = ofpraw_pull_assert(&b);
+
+ switch ((int) raw) {
+ case OFPRAW_OFPT10_QUEUE_GET_CONFIG_REQUEST:
+ reply = ofpraw_alloc_reply(OFPRAW_OFPT10_QUEUE_GET_CONFIG_REPLY,
+ oh, 0);
+ qgcr10 = ofpbuf_put_zeros(reply, sizeof *qgcr10);
+ qgcr10->port = htons(ofp_to_u16(port));
+ break;
+
+ case OFPRAW_OFPT11_QUEUE_GET_CONFIG_REQUEST:
+ reply = ofpraw_alloc_reply(OFPRAW_OFPT11_QUEUE_GET_CONFIG_REPLY,
+ oh, 0);
+ qgcr11 = ofpbuf_put_zeros(reply, sizeof *qgcr11);
+ qgcr11->port = ofputil_port_to_ofp11(port);
+ break;
+
+ default:
+ NOT_REACHED();
+ }
+
+ return reply;
+}
+
+static void
+put_queue_rate(struct ofpbuf *reply, enum ofp_queue_properties property,
+ uint16_t rate)
+{
+ if (rate != UINT16_MAX) {
+ struct ofp_queue_prop_rate *oqpr;
+
+ oqpr = ofpbuf_put_zeros(reply, sizeof *oqpr);
+ oqpr->prop_header.property = htons(property);
+ oqpr->prop_header.len = htons(sizeof *oqpr);
+ oqpr->rate = htons(rate);
+ }
+}
+
+/* Appends a queue description for 'queue_id' to the
+ * OFPT_QUEUE_GET_CONFIG_REPLY already in 'oh'. */
+void
+ofputil_append_queue_get_config_reply(struct ofpbuf *reply,
+ const struct ofputil_queue_config *oqc)
+{
+ const struct ofp_header *oh = reply->data;
+ size_t start_ofs, len_ofs;
+ ovs_be16 *len;
+
+ start_ofs = reply->size;
+ if (oh->version < OFP12_VERSION) {
+ struct ofp10_packet_queue *opq10;
+
+ opq10 = ofpbuf_put_zeros(reply, sizeof *opq10);
+ opq10->queue_id = htonl(oqc->queue_id);
+ len_ofs = (char *) &opq10->len - (char *) reply->data;
+ } else {
+ struct ofp11_queue_get_config_reply *qgcr11;
+ struct ofp12_packet_queue *opq12;
+ ovs_be32 port;
+
+ qgcr11 = reply->l3;
+ port = qgcr11->port;
+
+ opq12 = ofpbuf_put_zeros(reply, sizeof *opq12);
+ opq12->port = port;
+ opq12->queue_id = htonl(oqc->queue_id);
+ len_ofs = (char *) &opq12->len - (char *) reply->data;
+ }
+
+ put_queue_rate(reply, OFPQT_MIN_RATE, oqc->min_rate);
+ put_queue_rate(reply, OFPQT_MAX_RATE, oqc->max_rate);
+
+ len = ofpbuf_at(reply, len_ofs, sizeof *len);
+ *len = htons(reply->size - start_ofs);
+}
+
+/* Decodes the initial part of an OFPT_QUEUE_GET_CONFIG_REPLY from 'reply' and
+ * stores in '*port' the port that the reply is about. The caller may call
+ * ofputil_pull_queue_get_config_reply() to obtain information about individual
+ * queues included in the reply. Returns 0 if successful, otherwise an
+ * ofperr.*/
+enum ofperr
+ofputil_decode_queue_get_config_reply(struct ofpbuf *reply, ofp_port_t *port)
+{
+ const struct ofp10_queue_get_config_reply *qgcr10;
+ const struct ofp11_queue_get_config_reply *qgcr11;
+ enum ofpraw raw;
+
+ raw = ofpraw_pull_assert(reply);
+ switch ((int) raw) {
+ case OFPRAW_OFPT10_QUEUE_GET_CONFIG_REPLY:
+ qgcr10 = ofpbuf_pull(reply, sizeof *qgcr10);
+ *port = u16_to_ofp(ntohs(qgcr10->port));
+ return 0;
+
+ case OFPRAW_OFPT11_QUEUE_GET_CONFIG_REPLY:
+ qgcr11 = ofpbuf_pull(reply, sizeof *qgcr11);
+ return ofputil_port_from_ofp11(qgcr11->port, port);
+ }
+
+ NOT_REACHED();
+}
+
+static enum ofperr
+parse_queue_rate(const struct ofp_queue_prop_header *hdr, uint16_t *rate)
+{
+ const struct ofp_queue_prop_rate *oqpr;
+
+ if (hdr->len == htons(sizeof *oqpr)) {
+ oqpr = (const struct ofp_queue_prop_rate *) hdr;
+ *rate = ntohs(oqpr->rate);
+ return 0;
+ } else {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+}
+
+/* Decodes information about a queue from the OFPT_QUEUE_GET_CONFIG_REPLY in
+ * 'reply' and stores it in '*queue'. ofputil_decode_queue_get_config_reply()
+ * must already have pulled off the main header.
+ *
+ * This function returns EOF if the last queue has already been decoded, 0 if a
+ * queue was successfully decoded into '*queue', or an ofperr if there was a
+ * problem decoding 'reply'. */
+int
+ofputil_pull_queue_get_config_reply(struct ofpbuf *reply,
+ struct ofputil_queue_config *queue)
+{
+ const struct ofp_header *oh;
+ unsigned int opq_len;
+ unsigned int len;
+
+ if (!reply->size) {
+ return EOF;
+ }
+
+ queue->min_rate = UINT16_MAX;
+ queue->max_rate = UINT16_MAX;
+
+ oh = reply->l2;
+ if (oh->version < OFP12_VERSION) {
+ const struct ofp10_packet_queue *opq10;
+
+ opq10 = ofpbuf_try_pull(reply, sizeof *opq10);
+ if (!opq10) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+ queue->queue_id = ntohl(opq10->queue_id);
+ len = ntohs(opq10->len);
+ opq_len = sizeof *opq10;
+ } else {
+ const struct ofp12_packet_queue *opq12;
+
+ opq12 = ofpbuf_try_pull(reply, sizeof *opq12);
+ if (!opq12) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+ queue->queue_id = ntohl(opq12->queue_id);
+ len = ntohs(opq12->len);
+ opq_len = sizeof *opq12;
+ }
+
+ if (len < opq_len || len > reply->size + opq_len || len % 8) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+ len -= opq_len;
+
+ while (len > 0) {
+ const struct ofp_queue_prop_header *hdr;
+ unsigned int property;
+ unsigned int prop_len;
+ enum ofperr error = 0;
+
+ hdr = ofpbuf_at_assert(reply, 0, sizeof *hdr);
+ prop_len = ntohs(hdr->len);
+ if (prop_len < sizeof *hdr || prop_len > reply->size || prop_len % 8) {
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+
+ property = ntohs(hdr->property);
+ switch (property) {
+ case OFPQT_MIN_RATE:
+ error = parse_queue_rate(hdr, &queue->min_rate);
+ break;
+
+ case OFPQT_MAX_RATE:
+ error = parse_queue_rate(hdr, &queue->max_rate);
+ break;
+
+ default:
+ VLOG_INFO_RL(&bad_ofmsg_rl, "unknown queue property %u", property);
+ break;
+ }
+ if (error) {
+ return error;
+ }
+
+ ofpbuf_pull(reply, prop_len);
+ len -= prop_len;
+ }
+ return 0;
+}
+
/* Converts an OFPST_FLOW, OFPST_AGGREGATE, NXST_FLOW, or NXST_AGGREGATE
* request 'oh', into an abstract flow_stats_request in 'fsr'. Returns 0 if
* successful, otherwise an OpenFlow error code. */
return EINVAL;
}
- if (ofpacts_pull_openflow11_instructions(msg, length - sizeof *ofs -
+ if (ofpacts_pull_openflow11_instructions(msg, oh->version,
+ length - sizeof *ofs -
padded_match_len, ofpacts)) {
VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_FLOW reply bad instructions");
return EINVAL;
struct ofpbuf b;
memset(pin, 0, sizeof *pin);
+ pin->cookie = OVS_BE64_MAX;
ofpbuf_use_const(&b, oh, ntohs(oh->length));
raw = ofpraw_pull_assert(&b);
enum ofputil_protocol protocol,
enum nx_packet_in_format packet_in_format)
{
- size_t send_len = MIN(pin->send_len, pin->packet_len);
struct ofpbuf *packet;
/* Add OFPT_PACKET_IN. */
/* The final argument is just an estimate of the space required. */
packet = ofpraw_alloc_xid(packet_in_raw, packet_in_version,
htonl(0), (sizeof(struct flow_metadata) * 2
- + 2 + send_len));
+ + 2 + pin->packet_len));
ofpbuf_put_zeros(packet, packet_in_size);
oxm_put_match(packet, &match);
ofpbuf_put_zeros(packet, 2);
- ofpbuf_put(packet, pin->packet, send_len);
+ ofpbuf_put(packet, pin->packet, pin->packet_len);
opi = packet->l3;
opi->pi.buffer_id = htonl(pin->buffer_id);
struct ofp10_packet_in *opi;
packet = ofpraw_alloc_xid(OFPRAW_OFPT10_PACKET_IN, OFP10_VERSION,
- htonl(0), send_len);
+ htonl(0), pin->packet_len);
opi = ofpbuf_put_zeros(packet, offsetof(struct ofp10_packet_in, data));
opi->total_len = htons(pin->total_len);
opi->in_port = htons(ofp_to_u16(pin->fmd.in_port));
opi->reason = pin->reason;
opi->buffer_id = htonl(pin->buffer_id);
- ofpbuf_put(packet, pin->packet, send_len);
+ ofpbuf_put(packet, pin->packet, pin->packet_len);
} else if (packet_in_format == NXPIF_NXM) {
struct nx_packet_in *npi;
struct match match;
/* The final argument is just an estimate of the space required. */
packet = ofpraw_alloc_xid(OFPRAW_NXT_PACKET_IN, OFP10_VERSION,
htonl(0), (sizeof(struct flow_metadata) * 2
- + 2 + send_len));
+ + 2 + pin->packet_len));
ofpbuf_put_zeros(packet, sizeof *npi);
match_len = nx_put_match(packet, &match, 0, 0);
ofpbuf_put_zeros(packet, 2);
- ofpbuf_put(packet, pin->packet, send_len);
+ ofpbuf_put(packet, pin->packet, pin->packet_len);
npi = packet->l3;
npi->buffer_id = htonl(pin->buffer_id);
return error;
}
- error = ofpacts_pull_openflow11_actions(&b, ntohs(opo->actions_len),
+ error = ofpacts_pull_openflow11_actions(&b, oh->version,
+ ntohs(opo->actions_len),
ofpacts);
if (error) {
return error;
return buf;
}
\f
+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;
+}
+
+enum ofperr
+ofputil_decode_role_status(const struct ofp_header *oh,
+ struct ofputil_role_status *rs)
+{
+ struct ofpbuf b;
+ enum ofpraw raw;
+ const struct ofp14_role_status *r;
+
+ ofpbuf_use_const(&b, oh, ntohs(oh->length));
+ raw = ofpraw_pull_assert(&b);
+ ovs_assert(raw == OFPRAW_OFPT14_ROLE_STATUS);
+
+ r = b.l3;
+ if (r->role != htonl(OFPCR12_ROLE_NOCHANGE) &&
+ r->role != htonl(OFPCR12_ROLE_EQUAL) &&
+ r->role != htonl(OFPCR12_ROLE_MASTER) &&
+ r->role != htonl(OFPCR12_ROLE_SLAVE)) {
+ return OFPERR_OFPRRFC_BAD_ROLE;
+ }
+
+ rs->role = ntohl(r->role);
+ rs->generation_id = ntohll(r->generation_id);
+ rs->reason = r->reason;
+
+ return 0;
+}
+
/* Table stats. */
static void
}
static enum ofperr
-ofputil_pull_buckets(struct ofpbuf *msg, size_t buckets_length,
- struct list *buckets)
+ofputil_pull_buckets(struct ofpbuf *msg, enum ofp_version version,
+ size_t buckets_length, struct list *buckets)
{
struct ofp11_bucket *ob;
buckets_length -= ob_len;
ofpbuf_init(&ofpacts, 0);
- error = ofpacts_pull_openflow11_actions(msg, ob_len - sizeof *ob,
- &ofpacts);
+ error = ofpacts_pull_openflow11_actions(msg, version,
+ ob_len - sizeof *ob, &ofpacts);
if (error) {
ofpbuf_uninit(&ofpacts);
ofputil_bucket_list_destroy(buckets);
* otherwise a positive errno value. */
int
ofputil_decode_group_desc_reply(struct ofputil_group_desc *gd,
- struct ofpbuf *msg)
+ struct ofpbuf *msg, enum ofp_version version)
{
struct ofp11_group_desc_stats *ogds;
size_t length;
return OFPERR_OFPBRC_BAD_LEN;
}
- return ofputil_pull_buckets(msg, length - sizeof *ogds, &gd->buckets);
+ return ofputil_pull_buckets(msg, version, length - sizeof *ogds,
+ &gd->buckets);
}
/* Converts abstract group mod 'gm' into a message for OpenFlow version
gm->type = ogm->type;
gm->group_id = ntohl(ogm->group_id);
- return ofputil_pull_buckets(&msg, msg.size, &gm->buckets);
+ return ofputil_pull_buckets(&msg, oh->version, msg.size, &gm->buckets);
}
/* Parse a queue status request message into 'oqsr'.