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From: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
To: Alvin Zhang <alvinx.zhang@intel.com>,
	ferruh.yigit@intel.com, qi.z.zhang@intel.com
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] ethdev: add RSS offload type for L3 checksum
Date: Thu, 3 Jun 2021 10:14:31 +0300	[thread overview]
Message-ID: <6f08cf7b-6ba0-f678-f7f0-5b5a39dd0de3@oktetlabs.ru> (raw)
In-Reply-To: <20210603031214.19892-1-alvinx.zhang@intel.com>

On 6/3/21 6:12 AM, Alvin Zhang wrote:
> Add ETH_RSS_L3_CHKSUM macro.

Sorry, too short description. I could be an existing practice
to add more RSS offload types, but I want to break it.
Please, add motivation in the description why it is useful etc.

> 
> Signed-off-by: Alvin Zhang <alvinx.zhang@intel.com>
> ---
>  lib/ethdev/rte_ethdev.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/lib/ethdev/rte_ethdev.h b/lib/ethdev/rte_ethdev.h
> index faf3bd9..4220ec5 100644
> --- a/lib/ethdev/rte_ethdev.h
> +++ b/lib/ethdev/rte_ethdev.h
> @@ -537,6 +537,7 @@ struct rte_eth_rss_conf {
>  #define ETH_RSS_PPPOE		   (1ULL << 31)
>  #define ETH_RSS_ECPRI		   (1ULL << 32)
>  #define ETH_RSS_MPLS		   (1ULL << 33)

Please, add a comment what does it mean in various cases
covering various L3 protocols. IMHO, we must be explicit
here since addition of a new L3 protocol will make it
ambiguous if some drivers/HW use its checksum, but some
do not.

> +#define ETH_RSS_L3_CHKSUM	   (1ULL << 34)
>  
>  /*
>   * We use the following macros to combine with above ETH_RSS_* for
> 


  reply	other threads:[~2021-06-03  7:14 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-03  3:12 Alvin Zhang
2021-06-03  7:14 ` Andrew Rybchenko [this message]
2021-06-03  7:28   ` Zhang, AlvinX
2021-06-03  8:03 ` [dpdk-dev] [PATCH v2] ethdev: add IPv4 checksum RSS offload type Alvin Zhang
2021-06-03  8:17   ` Andrew Rybchenko
2021-06-04  2:23     ` Zhang, AlvinX
2021-06-07 18:31   ` Ajit Khaparde
2021-06-15  8:19   ` [dpdk-dev] [PATCH v3] ethdev: add IPv4 and L4 checksum RSS offload types Alvin Zhang
2021-06-15  8:26     ` Jerin Jacob
2021-06-16 15:18       ` Zhang, Qi Z
2021-06-22  8:20         ` Singh, Aman Deep
2021-07-01 14:26     ` Andrew Rybchenko
2021-07-06  6:14       ` Zhang, AlvinX
2021-07-06  7:05       ` Zhang, AlvinX
2021-07-06  7:18         ` Zhang, Qi Z
2021-07-06  8:04           ` Andrew Rybchenko
2021-07-07  3:23             ` Zhang, Qi Z
2021-07-07  9:49               ` Andrew Rybchenko
2021-07-07 13:00                 ` Zhang, Qi Z
2021-07-07 13:10                   ` Andrew Rybchenko
2021-07-08  1:07                     ` Zhang, Qi Z
2021-07-08  7:45                       ` Andrew Rybchenko
2021-07-10  8:38                         ` Thomas Monjalon
2021-07-13  1:13     ` [dpdk-dev] [PATCH v4] " Alvin Zhang
2021-07-13  7:54       ` Andrew Rybchenko
2021-07-13  9:38         ` Zhang, AlvinX
2021-07-13 10:24           ` Andrew Rybchenko
2021-07-14  2:38             ` Zhang, AlvinX
2021-08-18  2:32       ` [dpdk-dev] [PATCH v5] " Alvin Zhang
2021-08-29 12:07         ` Zhang, Qi Z
2021-08-31  9:44         ` [dpdk-dev] [PATCH v6] " Alvin Zhang
2021-08-31  9:52           ` [dpdk-dev] [PATCH v7] " Alvin Zhang
2021-09-06  0:28             ` Zhang, Qi Z
2021-09-14 14:00             ` Ferruh Yigit
2021-09-15  1:36               ` Zhang, AlvinX
2021-09-15  5:47             ` [dpdk-dev] [PATCH v8] " Alvin Zhang
2021-09-21  8:26               ` Ferruh Yigit
2021-09-28 13:09               ` Ferruh Yigit
2021-09-29  2:27                 ` Zhang, AlvinX

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