On Mon, 9 Oct 2017 19:12:49 +0530
Shailja Pandey <csz168...@iitd.ac.in> wrote:
> pktgen_tcp_hdr_ctor(pkt_seq_t *pkt, tcpip_t *tip, int type __rte_unused)
> {
> uint16_t tlen;
>
> /* Zero out the header space */
> memset((char *)tip, 0, sizeof(tcpip_t));
>
> /* Create the TCP header */
> tip->ip.src = htonl(pkt->
FYI memset is a performance hit. Gcc generates a rep string instruction
which slows down CPU.. Better to do either set all fields individually
or fill in the pad values by doing structure assignment.
*tip = (tcpi_ip_t) {
.ip.src = htonl(pkt->ip_src_addr.addr.ipv4_saddr),
...
};
