Re: [dpdk-dev] [PATCH v2 1/3] ethdev: add new RSS types for IPv6 prefix

["Zhang, Qi Z" <qi.z.zhang@intel.com>]

> -----Original Message-----
> From: Guo, Junfeng <junfeng.guo@intel.com>
> Sent: Tuesday, June 16, 2020 4:17 PM
> To: Zhang, Qi Z <qi.z.zhang@intel.com>; Ye, Xiaolong
> <xiaolong.ye@intel.com>; Xing, Beilei <beilei.xing@intel.com>
> Cc: dev@dpdk.org; Guo, Jia <jia.guo@intel.com>; Guo, Junfeng
> <junfeng.guo@intel.com>; Su, Simei <simei.su@intel.com>
> Subject: [PATCH v2 1/3] ethdev: add new RSS types for IPv6 prefix
> 
> This patch defines new RSS offload types for IPv6 prefix with 32, 48,
> 64 bits of both SRC and DST IPv6 address.
> 
> Signed-off-by: Junfeng Guo <junfeng.guo@intel.com>

Reviewed-by: Qi Zhang <qi.z.zhang@intel.com>


> ---
>  lib/librte_ethdev/rte_ethdev.h | 51
> ++++++++++++++++++++++++++++++++++
>  1 file changed, 51 insertions(+)
> 
> diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
> index 631b146bd..5a7ba36d8 100644
> --- a/lib/librte_ethdev/rte_ethdev.h
> +++ b/lib/librte_ethdev/rte_ethdev.h
> @@ -538,6 +538,9 @@ struct rte_eth_rss_conf {
>  #define ETH_RSS_L4_DST_ONLY        (1ULL << 60)
>  #define ETH_RSS_L2_SRC_ONLY        (1ULL << 59)
>  #define ETH_RSS_L2_DST_ONLY        (1ULL << 58)
> +#define ETH_RSS_L3_PRE32           (1ULL << 57)
> +#define ETH_RSS_L3_PRE48           (1ULL << 56)
> +#define ETH_RSS_L3_PRE64           (1ULL << 55)
> 
>  /**
>   * For input set change of hash filter, if SRC_ONLY and DST_ONLY of @@
> -561,6 +564,54 @@ rte_eth_rss_hf_refine(uint64_t rss_hf)
>  	return rss_hf;
>  }
> 
> +#define ETH_RSS_IPV6_PRE32 ( \
> +		ETH_RSS_IPV6 | \
> +		ETH_RSS_L3_PRE32)
> +
> +#define ETH_RSS_IPV6_PRE48 ( \
> +		ETH_RSS_IPV6 | \
> +		ETH_RSS_L3_PRE48)
> +
> +#define ETH_RSS_IPV6_PRE64 ( \
> +		ETH_RSS_IPV6 | \
> +		ETH_RSS_L3_PRE64)
> +
> +#define ETH_RSS_IPV6_PRE32_UDP ( \
> +		ETH_RSS_NONFRAG_IPV6_UDP | \
> +		ETH_RSS_L3_PRE32)
> +
> +#define ETH_RSS_IPV6_PRE48_UDP ( \
> +		ETH_RSS_NONFRAG_IPV6_UDP | \
> +		ETH_RSS_L3_PRE48)
> +
> +#define ETH_RSS_IPV6_PRE64_UDP ( \
> +		ETH_RSS_NONFRAG_IPV6_UDP | \
> +		ETH_RSS_L3_PRE64)
> +
> +#define ETH_RSS_IPV6_PRE32_TCP ( \
> +		ETH_RSS_NONFRAG_IPV6_TCP | \
> +		ETH_RSS_L3_PRE32)
> +
> +#define ETH_RSS_IPV6_PRE48_TCP ( \
> +		ETH_RSS_NONFRAG_IPV6_TCP | \
> +		ETH_RSS_L3_PRE48)
> +
> +#define ETH_RSS_IPV6_PRE64_TCP ( \
> +		ETH_RSS_NONFRAG_IPV6_TCP | \
> +		ETH_RSS_L3_PRE64)
> +
> +#define ETH_RSS_IPV6_PRE32_SCTP ( \
> +		ETH_RSS_NONFRAG_IPV6_SCTP | \
> +		ETH_RSS_L3_PRE32)
> +
> +#define ETH_RSS_IPV6_PRE48_SCTP ( \
> +		ETH_RSS_NONFRAG_IPV6_SCTP | \
> +		ETH_RSS_L3_PRE48)
> +
> +#define ETH_RSS_IPV6_PRE64_SCTP ( \
> +		ETH_RSS_NONFRAG_IPV6_SCTP | \
> +		ETH_RSS_L3_PRE64)
> +
>  #define ETH_RSS_IP ( \
>  	ETH_RSS_IPV4 | \
>  	ETH_RSS_FRAG_IPV4 | \
> --
> 2.17.1