[dpdk-dev] [PATCH 03/13] mbuf: add packet_type field
Olivier MATZ
olivier.matz at 6wind.com
Mon Sep 8 12:17:12 CEST 2014
Hi Bruce,
On 09/03/2014 05:49 PM, Bruce Richardson wrote:
> Replace a reserved slot with the new packet type field used to identify
> the type of the packet, i.e. what protocols are used.
>
> Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>
> ---
> lib/librte_mbuf/rte_mbuf.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
> index f136d37..8d0c6fb 100644
> --- a/lib/librte_mbuf/rte_mbuf.h
> +++ b/lib/librte_mbuf/rte_mbuf.h
> @@ -146,7 +146,7 @@ struct rte_mbuf {
> uint32_t reserved1; /**< Unused field. Required for padding */
>
> /* remaining bytes are set on RX when pulling packet from descriptor */
> - uint16_t reserved2; /**< Unused field. Required for padding */
> + uint16_t packet_type; /**< Type of packet, e.g. protocols used */
> uint16_t data_len; /**< Amount of data in segment buffer. */
> uint32_t pkt_len; /**< Total pkt len: sum of all segments. */
> uint16_t l3_len:9; /**< L3 (IP) Header Length. */
>
This patch adds a new fields that nobody uses. So why should we add it ?
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