[dpdk-dev] [PATCH] examples: ipv4, udp and tcp checksum offload warning

[Stephen Hemminger]

On Mon, 13 Sep 2021 17:09:51 +0500
usamanadeem321 <usama.nadeem at emumba.com> wrote:

>  
> +		if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
> +			local_port_conf.rxmode.offloads |=
> +			 DEV_RX_OFFLOAD_IPV4_CKSUM;
> +		else {
> +			rte_exit(EXIT_FAILURE,
> +				"IPV4 Checksum offload not available. (port %u) ",
> +				portid);
> +		}
> +

Why not just do it in software if not available. The IPv4 checksum
is so cheap many operating systems just always do it in software.