Improving DPDK support

[Stephen Hemminger via tcpdump-workers <tcpdump-workers () lists tcpdump org>]

> --- Begin Message ---
>
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> From: Stephen Hemminger <stephen () networkplumber org>
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> Date: Fri, 12 Dec 2025 12:50:52 +0900
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> I have a meta-question about DPDK support in tcpdump/libpcap.
> The current model where libpcap is a primary DPDK process is not that useful.
> Only really usable as hardware sniffer.
>
> The better model would be for libpcap to implement the DPDK pdump API
> which has tcpdump (or wireshark) running as a secondary process.
> This would allow using tcpdump etc while running any of the many DPDK
> routing, switch applications.
>
> The question is should the new code:
> be another capture type: i.e pcap-pdump; or just rewrite existing code in pcap-dpdk?
>  
> Is there a maintainer for the DPDK code in libpcap?
> It doesn't seem to get a lot of attention which implies it isn't much used.
>
> --- End Message ---
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