[dpdk-dev] [PATCH v3] mbuf: support dynamic fields and flags

[Stephen Hemminger]

On Thu, 24 Oct 2019 10:13:37 +0200
Olivier Matz <olivier.matz at 6wind.com> wrote:

>  
> +/**
> + * Copy dynamic fields from msrc to mdst.
> + *
> + * @param mdst
> + *   The destination mbuf.
> + * @param msrc
> + *   The source mbuf.
> + */
> +static inline void
> +rte_mbuf_dynfield_copy(struct rte_mbuf *mdst, const struct rte_mbuf *msrc)
> +{
> +	memcpy(&mdst->dynfield1, msrc->dynfield1, sizeof(mdst->dynfield1));
> +}

Since size is fixed and both are of same type, why not just assign structures?