[dpdk-dev] [PATCH v3] net: adjust the header length parse size
Stephen Hemminger
stephen at networkplumber.org
Tue Sep 8 16:53:36 CEST 2020
On Mon, 7 Sep 2020 09:56:50 +0800
Haiyue Wang <haiyue.wang at intel.com> wrote:
> Enlarge the L3 and tunnel header length from 8-bit to 16-bit to handle
> the bigger headers. And reorder the fields to avoid creating a structure
> hole.
>
> Signed-off-by: Haiyue Wang <haiyue.wang at intel.com>
> ---
> v2: use bit field to avoid creating a structure hole.
> v3: use basic type and reorder to avoid structure hole.
> ---
> lib/librte_net/rte_net.h | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/lib/librte_net/rte_net.h b/lib/librte_net/rte_net.h
> index 94b06d9ee..434435ffa 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;
> - uint8_t l4_len;
> - uint8_t tunnel_len;
> uint8_t inner_l2_len;
> - uint8_t inner_l3_len;
> + uint16_t l3_len;
> + uint16_t inner_l3_len;
> + uint16_t tunnel_len;
> + uint8_t l4_len;
> uint8_t inner_l4_len;
> };
>
Acked-by: Stephhen Hemminger <stephen at networkplumber.org>
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