/* Sends a packet to the controller in a packet_in message */
static void
send_packet_to_controller(struct pipeline *pl, struct packet *pkt, uint8_t table_id, uint8_t reason) {
struct ofl_msg_packet_in msg;
struct ofl_match *m;
msg.header.type = OFPT_PACKET_IN;
msg.total_len = pkt->buffer->size;
msg.reason = reason;
msg.table_id = table_id;
msg.cookie = 0xffffffffffffffff;
msg.data = pkt->buffer->data;
/* A max_len of OFPCML_NO_BUFFER means that the complete
packet should be sent, and it should not be buffered.*/
if (pl->dp->config.miss_send_len != OFPCML_NO_BUFFER){
dp_buffers_save(pl->dp->buffers, pkt);
msg.buffer_id = pkt->buffer_id;
msg.data_length = MIN(pl->dp->config.miss_send_len, pkt->buffer->size);
}else {
msg.buffer_id = OFP_NO_BUFFER;
msg.data_length = pkt->buffer->size;
}
m = xmalloc (sizeof(struct ofl_match));
ofl_structs_match_init(m);
/* In this implementation the fields in_port and in_phy_port
always will be the same, because we are not considering logical
ports */
ofl_structs_match_convert_pktf2oflm(&pkt->handle_std->match.match_fields, m);
msg.match = (struct ofl_match_header*)m;
dp_send_message(pl->dp, (struct ofl_msg_header *)&msg, NULL);
ofl_structs_free_match((struct ofl_match_header* ) m, NULL);
}
/* Sends a packet to the controller in a packet_in message */
static void
send_packet_to_controller(struct pipeline *pl, struct packet *pkt, uint8_t table_id, uint8_t reason) {
dp_buffers_save(pl->dp->buffers, pkt);
{
struct ofl_msg_packet_in msg =
{{.type = OFPT_PACKET_IN},
.buffer_id = pkt->buffer_id,
.total_len = pkt->buffer->size,
.reason = reason,
.table_id = table_id,
.data_length = MIN(pl->dp->config.miss_send_len, pkt->buffer->size),
.data = pkt->buffer->data};
struct ofl_match *m = xmalloc (sizeof(struct ofl_match));
ofl_structs_match_init(m);
/* In this implementation the fields in_port and in_phy_port
always will be the same, because we are not considering logical
ports */
ofl_structs_match_put32(m,OXM_OF_IN_PORT,pkt->in_port);
ofl_structs_match_put32(m,OXM_OF_IN_PHY_PORT,pkt->in_port);
msg.match = (struct ofl_match_header*)m;
dp_send_message(pl->dp, (struct ofl_msg_header *)&msg, NULL);
}
/* Sends a packet to the controller in a packet_in message */
static void
send_packet_to_controller(struct pipeline *pl, struct packet *pkt, uint8_t table_id, uint8_t reason) {
dp_buffers_save(pl->dp->buffers, pkt);
{
struct ofl_msg_packet_in msg =
{{.type = OFPT_PACKET_IN},
.buffer_id = pkt->buffer_id,
.in_port = pkt->in_port,
.in_phy_port = pkt->in_port, // TODO: how to get phy port for v.port?
.total_len = pkt->buffer->size,
.reason = reason,
.table_id = table_id,
.data_length = MIN(pl->dp->config.miss_send_len, pkt->buffer->size),
.data = pkt->buffer->data};
dp_send_message(pl->dp, (struct ofl_msg_header *)&msg, NULL);
}
