PacketCtor.hpp

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#ifndef DPDKLIBS_INCLUDE_DPDKLIBS_UDP_PACKETCTOR_HPP_
#define DPDKLIBS_INCLUDE_DPDKLIBS_UDP_PACKETCTOR_HPP_
 
#include "IPV4UDPPacket.hpp"
#include <rte_byteorder.h>
 
#include "detdataformats/DAQEthHeader.hpp"
 
#include <string>
 
namespace dunedaq {
namespace dpdklibs {
namespace udp {
 
rte_le16_t
packet_fill(struct ipv4_udp_packet_hdr* packet_hdr);
 
void
pktgen_udp_hdr_ctor(struct ipv4_udp_packet_hdr* packet_hdr,
                    rte_le16_t packet_len,
                    int sport = 55677,
                    int dport = 55678);
 
void
pktgen_ipv4_ctor(struct ipv4_udp_packet_hdr* packet_hdr,
                 rte_le16_t packet_len,
                 const std::string& src_ip_addr = "0.0.0.0",
                 const std::string& dst_ip_addr = "0.0.0.0");
 
void
pktgen_ether_hdr_ctor(struct ipv4_udp_packet_hdr* packet_hdr,
                      const std::string& dst_mac_address = "0a:00:10:c2:15:c1",
                      const int port_id = 0);
 
/* Convert 00:11:22:33:44:55 to ethernet address */
bool
get_ether_addr6(const char* s0, struct rte_ether_addr* ea);
 
// n.b. The memory pool which bufs is pointing to must be allocated, otherwise you'll get a crash
void
construct_packets_for_burst(const int port_id,
                            const std::string& dst_mac_addr,
                            const int payload_bytes,
                            const int burst_size,
                            rte_mbuf** bufs);
 
} // namespace udp
} // namespace dpdklibs
} // namespace dunedaq
 
#endif // DPDKLIBS_INCLUDE_DPDKLIBS_PACKETCTOR_HPP_