Re: [PATCH v2] net/af_packet: add option to ignore outgoing packets

[Stephen Hemminger]

On Mon,  5 Oct 2026 01:28:09 +0100
Frank Dressler <fr...@dressler.pro> wrote:

>  
> +             if (ignore_outgoing) {
> +#if defined(PACKET_IGNORE_OUTGOING)
> +                     rc = setsockopt(qsockfd, SOL_PACKET, 
> PACKET_IGNORE_OUTGOING,
> +                                     &ignore_outgoing, 
> sizeof(ignore_outgoing));
> +                     if (rc == -1) {
> +                             PMD_LOG_ERRNO(ERR,
> +                                     "%s: could not set 
> PACKET_IGNORE_OUTGOING on AF_PACKET socket for %s",
> +                                     name, pair->value);
> +                             goto error;
> +                     }
> +#endif
> +             }
> +

Since PACKET_IGNORE_OUTGOING has been in kernel uapi since 4.19 the #ifdef here 
is not needed.