+static struct ofpbuf *
+ofputil_encode_ofp10_packet_in(const struct ofputil_packet_in *pin)
+{
+ struct ofp10_packet_in *opi;
+ struct ofpbuf *packet;
+
+ packet = ofpraw_alloc_xid(OFPRAW_OFPT10_PACKET_IN, OFP10_VERSION,
+ 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, pin->packet_len);
+
+ return packet;
+}
+
+static struct ofpbuf *
+ofputil_encode_nx_packet_in(const struct ofputil_packet_in *pin)
+{
+ struct nx_packet_in *npi;
+ struct ofpbuf *packet;
+ struct match match;
+ size_t match_len;
+
+ ofputil_packet_in_to_match(pin, &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 + 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, pin->packet_len);
+
+ npi = packet->l3;
+ npi->buffer_id = htonl(pin->buffer_id);
+ npi->total_len = htons(pin->total_len);
+ npi->reason = pin->reason;
+ npi->table_id = pin->table_id;
+ npi->cookie = pin->cookie;
+ npi->match_len = htons(match_len);
+
+ return packet;
+}
+
+static struct ofpbuf *
+ofputil_encode_ofp11_packet_in(const struct ofputil_packet_in *pin)
+{
+ struct ofp11_packet_in *opi;
+ struct ofpbuf *packet;
+
+ packet = ofpraw_alloc_xid(OFPRAW_OFPT11_PACKET_IN, OFP11_VERSION,
+ htonl(0), pin->packet_len);
+ opi = ofpbuf_put_zeros(packet, sizeof *opi);
+ opi->buffer_id = htonl(pin->buffer_id);
+ opi->in_port = ofputil_port_to_ofp11(pin->fmd.in_port);
+ opi->in_phy_port = opi->in_port;
+ opi->total_len = htons(pin->total_len);
+ opi->reason = pin->reason;
+ opi->table_id = pin->table_id;
+
+ ofpbuf_put(packet, pin->packet, pin->packet_len);
+
+ return packet;
+}
+
+static struct ofpbuf *
+ofputil_encode_ofp12_packet_in(const struct ofputil_packet_in *pin,
+ enum ofputil_protocol protocol)
+{
+ struct ofp13_packet_in *opi;
+ struct match match;
+ enum ofpraw packet_in_raw;
+ enum ofp_version packet_in_version;
+ size_t packet_in_size;
+ struct ofpbuf *packet;
+
+ 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(packet_in_raw, packet_in_version,
+ htonl(0), (sizeof(struct flow_metadata) * 2
+ + 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, pin->packet_len);
+
+ opi = packet->l3;
+ 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;
+ }
+
+ return packet;
+}
+