[dpdk-dev] [PATCH v1] net: expand the data size of L3 length to 16 bits

[Wang, Haiyue]

> -----Original Message-----
> From: Stephen Hemminger <stephen at networkplumber.org>
> Sent: Saturday, September 5, 2020 02:56
> To: Wang, Haiyue <haiyue.wang at intel.com>
> Cc: dev at dpdk.org; Olivier Matz <olivier.matz at 6wind.com>
> Subject: Re: [dpdk-dev] [PATCH v1] net: expand the data size of L3 length to 16 bits
> 
> On Fri,  4 Sep 2020 13:40:20 +0800
> Haiyue Wang <haiyue.wang at intel.com> wrote:
> 
> > diff --git a/lib/librte_net/rte_net.h b/lib/librte_net/rte_net.h
> > index 94b06d9ee..992fb088a 100644
> > --- a/lib/librte_net/rte_net.h
> > +++ b/lib/librte_net/rte_net.h
> > @@ -20,11 +20,11 @@ extern "C" {
> >   */
> >  struct rte_net_hdr_lens {
> >  	uint8_t l2_len;
> > -	uint8_t l3_len;
> > +	uint16_t l3_len;
> >  	uint8_t l4_len;
> 
> Please reorder these to avoid creating a structure hole.

Done in v2, I use the bit field like rte_mbuf, and keep the member's original order.