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From: Yongseok Koh <yskoh@mellanox.com>
To: David Marchand <david.marchand@redhat.com>
Cc: Thomas Monjalon <thomas@monjalon.net>,
	Olivier Matz <olivier.matz@6wind.com>,
	Shahaf Shuler <shahafs@mellanox.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"roszenrami@gmail.com" <roszenrami@gmail.com>
Subject: Re: [dpdk-dev] [PATCH v4 1/2] mbuf: add function returning default buffer address
Date: Fri, 11 Jan 2019 11:09:38 +0000
Message-ID: <20190111110927.GB8355@minint-98vp2qg> (raw)
In-Reply-To: <CAJFAV8xUQqK7az+0BubOTMUKSQ-SU79DAFZjq-V6Y+Yh5jjJEg@mail.gmail.com>

On Fri, Jan 11, 2019 at 09:32:52AM +0100, David Marchand wrote:
> On Fri, Jan 11, 2019 at 9:11 AM David Marchand <david.marchand@redhat.com>
> wrote:
> 
> > On Thu, Jan 10, 2019 at 11:40 PM Yongseok Koh <yskoh@mellanox.com> wrote:
> > diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
> >
> >> index bc562dc8a9..5787616999 100644
> >> --- a/lib/librte_mbuf/rte_mbuf.h
> >> +++ b/lib/librte_mbuf/rte_mbuf.h
> >> @@ -788,8 +788,54 @@ rte_mbuf_from_indirect(struct rte_mbuf *mi)
> >>  }
> >>
> >>  /**
> >> + * Return the default buffer address of the mbuf.
> >>
> >
> > Nit: missed it... s/default //

Okay

> >
> > + *
> >> + * @warning
> >> + * @b EXPERIMENTAL: This API may change without prior notice.
> >> + * This will be used by rte_mbuf_to_baddr() which has redundant code once
> >> + * experimental tag is removed.
> >>
> >
> > Good point.
> > I wonder if we have a "todolist" for release n+2 so that we don't forget
> > about such things to do.
> > Thomas ?
> >
> 
> Maybe we could have something explicit in rte_mbuf_to_baddr that would
> avoid it "inherits" the experimental tag.
> 
> @@ -844,9 +844,13 @@ struct rte_mbuf_ext_shared_info {
>  static inline char *
>  rte_mbuf_to_baddr(struct rte_mbuf *md)
>  {
> +#ifdef ALLOW_EXPERIMENTAL_API
> +       return rte_mbuf_buf_addr(md, md->pool);
> +#else
>         char *buffer_addr;
>         buffer_addr = (char *)md + sizeof(*md) +
> rte_pktmbuf_priv_size(md->pool);
>         return buffer_addr;
> +#endif

I like it, so that we can't forget to change it.

Yongseok

  reply	other threads:[~2019-01-11 11:09 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-09  8:54 [dpdk-dev] [PATCH] net/mlx5: fix instruction hotspot on replenishing Rx buffer Yongseok Koh
2019-01-09  9:38 ` David Marchand
2019-01-09  9:52   ` Olivier Matz
2019-01-09  9:56     ` Yongseok Koh
2019-01-09 10:05       ` David Marchand
2019-01-09 10:11         ` Yongseok Koh
2019-01-09 13:19 ` [dpdk-dev] [PATCH v2 1/2] mbuf: add function returning default buffer address Yongseok Koh
2019-01-09 13:19   ` [dpdk-dev] [PATCH v2 2/2] net/mlx5: fix instruction hotspot on replenishing Rx buffer Yongseok Koh
2019-01-09 13:46   ` [dpdk-dev] [PATCH v2 1/2] mbuf: add function returning default buffer address David Marchand
2019-01-10  1:39     ` Rami Rosen
2019-01-10 18:18       ` Yongseok Koh
2019-01-10 18:22     ` Yongseok Koh
2019-01-10 18:35 ` [dpdk-dev] [PATCH v3 " Yongseok Koh
2019-01-10 18:35   ` [dpdk-dev] [PATCH v3 2/2] net/mlx5: fix instruction hotspot on replenishing Rx buffer Yongseok Koh
2019-01-10 19:10     ` Shahaf Shuler
2019-01-11  8:14   ` [dpdk-dev] [PATCH v3 1/2] mbuf: add function returning default buffer address Andrew Rybchenko
2019-01-11 11:03     ` Yongseok Koh
2019-01-11 11:17       ` Andrew Rybchenko
2019-01-11 11:37         ` Yongseok Koh
2019-01-11 11:57         ` Bruce Richardson
2019-01-11 12:48           ` David Marchand
2019-01-14 15:51             ` Olivier Matz
2019-01-10 22:40 ` [dpdk-dev] [PATCH v4 " Yongseok Koh
2019-01-10 22:40   ` [dpdk-dev] [PATCH v4 2/2] net/mlx5: fix instruction hotspot on replenishing Rx buffer Yongseok Koh
2019-01-11  8:05   ` [dpdk-dev] [PATCH v4 1/2] mbuf: add function returning default buffer address Olivier Matz
2019-01-11  8:11   ` David Marchand
2019-01-11  8:32     ` David Marchand
2019-01-11 11:09       ` Yongseok Koh [this message]
2019-01-11 10:25     ` Thomas Monjalon
2019-01-14 21:16 ` [dpdk-dev] [PATCH v5 1/2] mbuf: add function returning " Yongseok Koh
2019-01-14 21:16   ` [dpdk-dev] [PATCH v5 2/2] net/mlx5: fix instruction hotspot on replenishing Rx buffer Yongseok Koh
2019-02-06 15:54     ` Kevin Traynor
2019-02-21 19:10       ` Kevin Traynor
2019-03-08  2:05         ` Yongseok Koh
2019-01-15  1:35   ` [dpdk-dev] [PATCH v5 1/2] mbuf: add function returning buffer address Thomas Monjalon

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