It seems you are receiving in bursts of 10, but for sending you only send 1
packet at a time.
Send batches of packets to rte_eth_tx_burst to improve sending efficiency.
>
> Hi,
>
> I am just writing my first a traffic generator code.
> The program sends predefined quantity of frames(Ethernet/IP/UDP) in each
> seconds. It use 2 loops 1 for seconds the other for the packets in each
> second.
>
> for sending I use a while loop
>
> sent=0;
> while (sent==0){
> sent = rte_eth_tx_burst(eth_id, 0, &pkts, 1);
>
> }
> for reviving
> recv = rte_eth_rx_burst(eth_id, 0, pktr_burst2, 10);
>
> in the initialization phase I put the packet in the mbuf. In the UDP data
> filed is
> a counter which increasing in every second(with this I would like to identify
> the possible packet drops er sec bases)
>
> with lower load the program works fine but close to 100% of performance
>
> Forward frames sent: 8000000
> Forward frames received: 8000336
> Reverse frames sent: 8000000
> Reverse frames received: 7990793
>
>
>
> Results in 1 sec sent 800000 recvd 799972 and difference -28 Results in 2
> sec
> sent 800000 recvd 799888 and difference -112 Results in 3 sec sent 800000
> recvd 800000 and difference 0 Results in 4 sec sent 800000 recvd 800000
> and difference 0 Results in 5 sec sent 800000 recvd 800000 and difference 0
> Results in 6 sec sent 800000 recvd 800000 and difference 0 Results in 7
> sec
> sent 800000 recvd 800120 and difference 120 Results in 8 sec sent 800000
> recvd 799880 and difference -120 Results in 9 sec sent 800000 recvd 800000
> and difference 0 Results in 10 sec sent 800000 recvd 800476 and difference
> 476
>
> It received more packets than sent.
>
> Are there any solution to fix this issue?
>
>
> Many Thanks,
>
> Peter
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