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2016-02-01trafgen: parser: Add TCP header generation functionTobias Klauser1-0/+64
Add a function 'tcp()' to generate TCP headers from the trafgen configuration language. Fields supported: sp|sport TCP source port (default 0) dp|dport TCP destination port (default 0) seq Sequence number (default: 0) aseq|ackseq Acknowledgement number (default 0) doff|hlen Header length/data offset (default: 5) cwr Congestion Window Reduced flag (default: 0) ece|ecn ECN-Echo flag (default: 0) urg Urgent flag (default: 0) ack Acknowledgement flag (default: 0) psh Push flag (default: 0) rst Reset flag (default: 0) syn Synchronize flag (default: 0) fin Finish flag (default: 0) win|window Receive window size (default: 0) csum Checksum field (calculated automatically) urgptr Urgent pointer (default: 0) Example (SYN on port 80/http): { tcp(dport=80, syn, window=5840) } Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
2016-01-29trafgen: l4: Add UDP header generation logicVadim Kochan1-0/+71
Add trafgen_l4.c module with generation UDP header fields. UDP protocol generation logic automaticaly sets the protocol field of the lower level protocol to IPPROTO_UDP by default (if it is IPv4). Also checksum & length are calculated and set if it is not given by the user. Signed-off-by: Vadim Kochan <vadim4j@gmail.com> Signed-off-by: Tobias Klauser <tklauser@distanz.ch>