struct ptp_header *ptp_hdr;
struct clock_id *client_clkid;
struct ptp_message *ptp_msg;
+ struct delay_req_msg *req_msg;
struct rte_mbuf *created_pkt;
struct tstamp *origin_tstamp;
struct rte_ether_addr eth_multicast = ether_multicast;
created_pkt = rte_pktmbuf_alloc(mbuf_pool);
pkt_size = sizeof(struct rte_ether_hdr) +
- sizeof(struct ptp_message);
+ sizeof(struct delay_req_msg);
+
+ if (rte_pktmbuf_append(created_pkt, pkt_size) == NULL) {
+ rte_pktmbuf_free(created_pkt);
+ return;
+ }
created_pkt->data_len = pkt_size;
created_pkt->pkt_len = pkt_size;
eth_hdr = rte_pktmbuf_mtod(created_pkt, struct rte_ether_hdr *);
rte_ether_addr_copy(ð_multicast, ð_hdr->dst_addr);
eth_hdr->ether_type = htons(PTP_PROTOCOL);
- ptp_msg = (struct ptp_message *)
- (rte_pktmbuf_mtod(created_pkt, char *) +
- sizeof(struct rte_ether_hdr));
-
- ptp_msg->delay_req.hdr.seq_id = htons(ptp_data->seqID_SYNC);
- ptp_msg->delay_req.hdr.msg_type = DELAY_REQ;
- ptp_msg->delay_req.hdr.ver = 2;
- ptp_msg->delay_req.hdr.control = 1;
- ptp_msg->delay_req.hdr.log_message_interval = 127;
- ptp_msg->delay_req.hdr.message_length =
+ req_msg = rte_pktmbuf_mtod_offset(created_pkt,
+ struct delay_req_msg *, sizeof(struct
+ rte_ether_hdr));
+
+ req_msg->hdr.seq_id = htons(ptp_data->seqID_SYNC);
+ req_msg->hdr.msg_type = DELAY_REQ;
+ req_msg->hdr.ver = 2;
+ req_msg->hdr.control = 1;
+ req_msg->hdr.log_message_interval = 127;
+ req_msg->hdr.message_length =
htons(sizeof(struct delay_req_msg));
- ptp_msg->delay_req.hdr.domain_number = ptp_hdr->domain_number;
+ req_msg->hdr.domain_number = ptp_hdr->domain_number;
/* Set up clock id. */
client_clkid =
- &ptp_msg->delay_req.hdr.source_port_id.clock_id;
+ &req_msg->hdr.source_port_id.clock_id;
client_clkid->id[0] = eth_hdr->src_addr.addr_bytes[0];
client_clkid->id[1] = eth_hdr->src_addr.addr_bytes[1];