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From: Andrew Rybchenko <Andrew.Rybchenko@oktetlabs.ru>
To: nipun.gupta@nxp.com, dev@dpdk.org
Cc: thomas@monjalon.net, ferruh.yigit@intel.com,
	arybchenko@solarflare.com, hemant.agrawal@nxp.com,
	sachin.saxena@nxp.com, rohit.raj@nxp.com, jerinjacobk@gmail.com,
	stephen@networkplumber.org, asafp@nvidia.com
Subject: Re: [dpdk-dev] [PATCH 1/3 v3] ethdev: add rx offload to drop error packets
Date: Mon, 12 Oct 2020 11:01:39 +0300
Message-ID: <794e2ad5-35a4-1b84-2ce4-0df059806f39@oktetlabs.ru> (raw)
In-Reply-To: <20201009131331.5897-1-nipun.gupta@nxp.com>

On 10/9/20 4:13 PM, nipun.gupta@nxp.com wrote:
> From: Nipun Gupta <nipun.gupta@nxp.com>
> 
> This change adds a RX offload capability and configuration to
> enable hardware to drop the packets in case of any error in the
> packets such as L3 checksum error or L4 checksum.
> 
> Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
> Signed-off-by: Rohit Raj <rohit.raj@nxp.com>
> Reviewed-by: Asaf Penso <asafp@nvidia.com>
> ---
> 
> v3:
>  - Add additional rx_err_drop_offload_capa, which is specific
>    capability flag for RX packets error drop offload. Currently
>    only 'all' error packet drops are enabled, but can be extended
>    to provide capability to drop any specific errors like L1 FCS,
>    L3 Checksum etc.
>  - Added separate config structure to enable the drop configuration.
>  - Updated doc with the new updated option in testbbdev (patch 3/3)
> 
> v2:
>  - Add support in DPAA1 driver (patch 2/3)
>  - Add support and config parameter in testpmd (patch 3/3)
> 
>  lib/librte_ethdev/rte_ethdev.c |  1 +
>  lib/librte_ethdev/rte_ethdev.h | 22 ++++++++++++++++++++++
>  2 files changed, 23 insertions(+)
> 
> diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c
> index 48d1333b1..be25e947e 100644
> --- a/lib/librte_ethdev/rte_ethdev.c
> +++ b/lib/librte_ethdev/rte_ethdev.c
> @@ -128,6 +128,7 @@ static const struct {
>  	RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM),
>  	RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
>  	RTE_RX_OFFLOAD_BIT2STR(RSS_HASH),
> +	RTE_RX_OFFLOAD_BIT2STR(ERR_PKT_DROP),
>  };
>  
>  #undef RTE_RX_OFFLOAD_BIT2STR
> diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
> index d2bf74f12..cb968d38a 100644
> --- a/lib/librte_ethdev/rte_ethdev.h
> +++ b/lib/librte_ethdev/rte_ethdev.h
> @@ -1194,6 +1194,16 @@ struct rte_intr_conf {
>  	uint32_t rmv:1;
>  };
>  
> +/**
> + * A structure used to enable/disable error packet drop on RX.
> + */
> +struct rte_rx_err_pkt_drop_conf {
> +	/** enable/disable all RX error packet drop.
> +	 * 0 (default) - disable, 1 enable
> +	 */
> +	uint32_t all:1;

"all" is bad. It should be granular and in the same terms
as mask in dev_info capability.

> +};
> +
>  /**
>   * A structure used to configure an Ethernet port.
>   * Depending upon the RX multi-queue mode, extra advanced
> @@ -1236,6 +1246,8 @@ struct rte_eth_conf {
>  	uint32_t dcb_capability_en;
>  	struct rte_fdir_conf fdir_conf; /**< FDIR configuration. DEPRECATED */
>  	struct rte_intr_conf intr_conf; /**< Interrupt mode configuration. */
> +	struct rte_rx_err_pkt_drop_conf err_pkt_drop_conf;
> +	/**< RX error packet drop configuration. */

Why not per queue?

>  };
>  
>  /**
> @@ -1260,6 +1272,7 @@ struct rte_eth_conf {
>  #define DEV_RX_OFFLOAD_SCTP_CKSUM	0x00020000
>  #define DEV_RX_OFFLOAD_OUTER_UDP_CKSUM  0x00040000
>  #define DEV_RX_OFFLOAD_RSS_HASH		0x00080000
> +#define DEV_RX_OFFLOAD_ERR_PKT_DROP	0x00100000
>  
>  #define DEV_RX_OFFLOAD_CHECKSUM (DEV_RX_OFFLOAD_IPV4_CKSUM | \
>  				 DEV_RX_OFFLOAD_UDP_CKSUM | \
> @@ -1274,6 +1287,13 @@ struct rte_eth_conf {
>   * mentioned in rte_rx_offload_names in rte_ethdev.c file.
>   */
>  
> +/**
> + * RX Error Drop offload config/capabilities of a device. These
> + * are valid only when RX capability DEV_RX_OFFLOAD_ERR_PKT_DROP
> + * is supported by the device.
> + */
> +#define DEV_RX_ERR_PKT_DROP_OFFLOAD_ALL		0x00000001
> +

I strictly dislike "all". It will always be bad defined.
It must be granular.

>  /**
>   * TX offload capabilities of a device.
>   */
> @@ -1411,6 +1431,8 @@ struct rte_eth_dev_info {
>  	/**< Device per-queue RX offload capabilities. */
>  	uint64_t tx_queue_offload_capa;
>  	/**< Device per-queue TX offload capabilities. */
> +	uint64_t rx_err_drop_offload_capa;
> +	/**< RX error packet drop offload capabilities. */
>  	uint16_t reta_size;
>  	/**< Device redirection table size, the total number of entries. */
>  	uint8_t hash_key_size; /**< Hash key size in bytes */
> 


  parent reply	other threads:[~2020-10-12  8:01 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-31  7:53 [dpdk-dev] [PATCH] " Nipun Gupta
2020-08-31 12:58 ` Ferruh Yigit
2020-08-31 16:04   ` Nipun Gupta
2020-08-31 17:00 ` Stephen Hemminger
2020-09-01  8:09   ` Thomas Monjalon
2020-09-01 10:56     ` Nipun Gupta
2020-09-21  7:29     ` Ori Kam
2020-10-05  7:15 ` [dpdk-dev] [PATCH 1/3 v2] " nipun.gupta
2020-10-05  7:15   ` [dpdk-dev] [PATCH 2/3 v2] net/dpaa: support RX offload for error packet drop nipun.gupta
2020-10-05  7:15   ` [dpdk-dev] [PATCH 3/3 v2] testpmd: support hardware offload to drop error packets nipun.gupta
2020-10-08 15:06     ` Asaf Penso
2020-10-08 15:45       ` Nipun Gupta
2020-10-05 15:34   ` [dpdk-dev] [PATCH 1/3 v2] ethdev: add rx " Stephen Hemminger
2020-10-05 16:10     ` Jerin Jacob
2020-10-06 10:37       ` Nipun Gupta
2020-10-06 12:01         ` Jerin Jacob
2020-10-06 13:10           ` Nipun Gupta
2020-10-06 13:13             ` Jerin Jacob
2020-10-08  8:53               ` Nipun Gupta
2020-10-08  8:55                 ` Jerin Jacob
2020-10-08 15:13                   ` Asaf Penso
2020-10-09 13:13 ` [dpdk-dev] [PATCH 1/3 v3] " nipun.gupta
2020-10-09 13:13   ` [dpdk-dev] [PATCH 2/3 v3] net/dpaa: support RX offload for error packet drop nipun.gupta
2020-10-09 13:13   ` [dpdk-dev] [PATCH 3/3 v3] app/testpmd: support hardware offload to drop error packets nipun.gupta
2020-10-11  7:22     ` Asaf Penso
2020-10-11 10:13   ` [dpdk-dev] [PATCH 1/3 v3] ethdev: add rx " Jerin Jacob
2020-10-11 21:41   ` Thomas Monjalon
2020-10-12  5:40     ` Nipun Gupta
2020-10-13  7:22       ` Nipun Gupta
2020-10-12  8:01   ` Andrew Rybchenko [this message]
2020-10-12 11:30     ` Nipun Gupta
2020-10-12 12:22       ` Andrew Rybchenko
2020-10-12 12:53         ` Nipun Gupta
2020-10-13  7:21         ` Andrew Rybchenko
2020-10-13  7:36           ` Nipun Gupta
2020-10-13  7:51             ` Andrew Rybchenko
2020-10-13  8:12               ` Nipun Gupta
2020-10-15 13:23 ` [dpdk-dev] [PATCH 1/3 v4] ethdev: add Rx " nipun.gupta
2020-10-15 13:23   ` [dpdk-dev] [PATCH 2/3 v4] net/dpaa: support Rx offload for error packet drop nipun.gupta
2020-10-15 13:23   ` [dpdk-dev] [PATCH 3/3 v4] app/testpmd: support hardware offload to drop error packets nipun.gupta
2020-10-29 17:22     ` Dharmik Thakkar
2020-10-31 18:16       ` Nipun Gupta
2020-10-19  3:30   ` [dpdk-dev] [PATCH 1/3 v4] ethdev: add Rx " Ajit Khaparde
2021-02-18 20:32   ` Ferruh Yigit
2021-02-18 20:37     ` Thomas Monjalon
2021-04-20  1:11       ` Ferruh Yigit

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