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From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: Dan Gora <dg@adax.com>, dev@dpdk.org
Cc: Olivier Matz <olivier.matz@6wind.com>
Subject: Re: [dpdk-dev] [PATCH 1/4] mbuf: add accessor function for private data area
Date: Fri, 8 Jun 2018 09:30:17 +0100	[thread overview]
Message-ID: <8f40b27d-50b7-4601-ee92-0c04c7230b26@intel.com> (raw)
In-Reply-To: <20180607235454.27832-1-dg@adax.com>

On 08-Jun-18 12:54 AM, Dan Gora wrote:
> Add an inline accessor function to return the starting address of
> the private data area in the supplied mbuf.
> 
> If the user did not allocate space for a private data area in the
> mbuf's memory pool, then return NULL.
> 
> This allows applications to easily access the private data area
> between the struct rte_mbuf and the data buffer in the specified mbuf
> without creating private macros or accessor functions.
> 
> Signed-off-by: Dan Gora <dg@adax.com>
> ---

<...>

> +static inline void *
> +rte_mbuf_to_priv(struct rte_mbuf *md)
> +{
> +	if (md->priv_size == 0)
> +		return NULL;
> +
> +	return RTE_PTR_ADD(md, sizeof(struct rte_mbuf));
> +}

Hi Dan,

New API's should be marked as __rte_experimental for at least one release.

> +
>   /**
>    * Returns TRUE if given mbuf is cloned by mbuf indirection, or FALSE
>    * otherwise.
> 


-- 
Thanks,
Anatoly

  reply	other threads:[~2018-06-08  8:30 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-07 23:54 Dan Gora
2018-06-08  8:30 ` Burakov, Anatoly [this message]
2018-06-08  9:06 ` Andrew Rybchenko
2018-06-08 17:19   ` Wiles, Keith
2018-06-09  0:24     ` Dan Gora
2018-06-09  9:23       ` Andrew Rybchenko
2018-06-12  2:24         ` Dan Gora

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