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From: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>
To: Akhil Goyal <gakhil@marvell.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "anoobj@marvell.com" <anoobj@marvell.com>,
	"Nicolau, Radu" <radu.nicolau@intel.com>,
	"Doherty, Declan" <declan.doherty@intel.com>,
	"hemant.agrawal@nxp.com" <hemant.agrawal@nxp.com>,
	"matan@nvidia.com" <matan@nvidia.com>,
	"thomas@monjalon.net" <thomas@monjalon.net>,
	"Yigit, Ferruh" <ferruh.yigit@intel.com>,
	"andrew.rybchenko@oktetlabs.ru" <andrew.rybchenko@oktetlabs.ru>,
	"olivier.matz@6wind.com" <olivier.matz@6wind.com>,
	"Xu, Rosen" <rosen.xu@intel.com>
Subject: RE: [PATCH 1/8] ethdev: introduce IP reassembly offload
Date: Tue, 11 Jan 2022 16:03:55 +0000	[thread overview]
Message-ID: <DM6PR11MB4491C7D99083E21DDD70B87D9A519@DM6PR11MB4491.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20220103150813.1694888-2-gakhil@marvell.com>


> IP Reassembly is a costly operation if it is done in software.
> The operation becomes even more costlier if IP fragmants are encrypted.
> However, if it is offloaded to HW, it can considerably save application cycles.
> 
> Hence, a new offload RTE_ETH_RX_OFFLOAD_IP_REASSEMBLY is introduced in
> ethdev for devices which can attempt reassembly of packets in hardware.
> rte_eth_dev_info is updated with the reassembly capabilities which a device
> can support.
> 
> The resulting reassembled packet would be a typical segmented mbuf in
> case of success.
> 
> And if reassembly of fragments is failed or is incomplete (if fragments do
> not come before the reass_timeout), the mbuf ol_flags can be updated.
> This is updated in a subsequent patch.
> 
> Signed-off-by: Akhil Goyal <gakhil@marvell.com>
> ---
>  doc/guides/nics/features.rst | 12 ++++++++++++
>  lib/ethdev/rte_ethdev.c      |  1 +
>  lib/ethdev/rte_ethdev.h      | 32 +++++++++++++++++++++++++++++++-
>  3 files changed, 44 insertions(+), 1 deletion(-)
> 
> diff --git a/doc/guides/nics/features.rst b/doc/guides/nics/features.rst
> index 27be2d2576..1dfdee9602 100644
> --- a/doc/guides/nics/features.rst
> +++ b/doc/guides/nics/features.rst
> @@ -602,6 +602,18 @@ Supports inner packet L4 checksum.
>    ``tx_offload_capa,tx_queue_offload_capa:RTE_ETH_TX_OFFLOAD_OUTER_UDP_CKSUM``.
> 
> 
> +.. _nic_features_ip_reassembly:
> +
> +IP reassembly
> +-------------
> +
> +Supports IP reassembly in hardware.
> +
> +* **[uses]     rte_eth_rxconf,rte_eth_rxmode**: ``offloads:RTE_ETH_RX_OFFLOAD_IP_REASSEMBLY``.
> +* **[provides] mbuf**: ``mbuf.ol_flags:RTE_MBUF_F_RX_IP_REASSEMBLY_INCOMPLETE``.
> +* **[provides] rte_eth_dev_info**: ``reass_capa``.
> +
> +
>  .. _nic_features_shared_rx_queue:
> 
>  Shared Rx queue
> diff --git a/lib/ethdev/rte_ethdev.c b/lib/ethdev/rte_ethdev.c
> index a1d475a292..d9a03f12f9 100644
> --- a/lib/ethdev/rte_ethdev.c
> +++ b/lib/ethdev/rte_ethdev.c
> @@ -126,6 +126,7 @@ static const struct {
>  	RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),
>  	RTE_RX_OFFLOAD_BIT2STR(RSS_HASH),
>  	RTE_RX_OFFLOAD_BIT2STR(BUFFER_SPLIT),
> +	RTE_RX_OFFLOAD_BIT2STR(IP_REASSEMBLY),
>  };
> 
>  #undef RTE_RX_OFFLOAD_BIT2STR
> diff --git a/lib/ethdev/rte_ethdev.h b/lib/ethdev/rte_ethdev.h
> index fa299c8ad7..11427b2e4d 100644
> --- a/lib/ethdev/rte_ethdev.h
> +++ b/lib/ethdev/rte_ethdev.h
> @@ -1586,6 +1586,7 @@ struct rte_eth_conf {
>  #define RTE_ETH_RX_OFFLOAD_RSS_HASH         RTE_BIT64(19)
>  #define DEV_RX_OFFLOAD_RSS_HASH             RTE_ETH_RX_OFFLOAD_RSS_HASH
>  #define RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT     RTE_BIT64(20)
> +#define RTE_ETH_RX_OFFLOAD_IP_REASSEMBLY    RTE_BIT64(21)
> 
>  #define RTE_ETH_RX_OFFLOAD_CHECKSUM (RTE_ETH_RX_OFFLOAD_IPV4_CKSUM | \
>  				 RTE_ETH_RX_OFFLOAD_UDP_CKSUM | \
> @@ -1781,6 +1782,33 @@ enum rte_eth_representor_type {
>  	RTE_ETH_REPRESENTOR_PF,   /**< representor of Physical Function. */
>  };
> 
> +/* Flag to offload IP reassembly for IPv4 packets. */
> +#define RTE_ETH_DEV_REASSEMBLY_F_IPV4 (RTE_BIT32(0))
> +/* Flag to offload IP reassembly for IPv6 packets. */
> +#define RTE_ETH_DEV_REASSEMBLY_F_IPV6 (RTE_BIT32(1))
> +/**
> + * @warning
> + * @b EXPERIMENTAL: this structure may change without prior notice.
> + *
> + * A structure used to set IP reassembly configuration.
> + *
> + * If RTE_ETH_RX_OFFLOAD_IP_REASSEMBLY flag is set in offloads field,
> + * the PMD will attempt IP reassembly for the received packets as per
> + * properties defined in this structure:
> + *
> + */
> +struct rte_eth_ip_reass_params {
> +	/** Maximum time in ms which PMD can wait for other fragments. */
> +	uint32_t reass_timeout;
> +	/** Maximum number of fragments that can be reassembled. */
> +	uint16_t max_frags;
> +	/**
> +	 * Flags to enable reassembly of packet types -
> +	 * RTE_ETH_DEV_REASSEMBLY_F_xxx.
> +	 */
> +	uint16_t flags;
> +};
> +
>  /**
>   * A structure used to retrieve the contextual information of
>   * an Ethernet device, such as the controlling driver of the
> @@ -1841,8 +1869,10 @@ struct rte_eth_dev_info {
>  	 * embedded managed interconnect/switch.
>  	 */
>  	struct rte_eth_switch_info switch_info;
> +	/** IP reassembly offload capabilities that a device can support. */
> +	struct rte_eth_ip_reass_params reass_capa;
> 
> -	uint64_t reserved_64s[2]; /**< Reserved for future fields */
> +	uint64_t reserved_64s[1]; /**< Reserved for future fields */
>  	void *reserved_ptrs[2];   /**< Reserved for future fields */
>  };
> 
> --

Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>

> 2.25.1


  reply	other threads:[~2022-01-11 16:04 UTC|newest]

Thread overview: 184+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-23 10:02 [dpdk-dev] [PATCH] RFC: ethdev: add " Akhil Goyal
2021-08-23 10:18 ` Andrew Rybchenko
2021-08-29 13:14   ` [dpdk-dev] [EXT] " Akhil Goyal
2021-09-21 19:59     ` Thomas Monjalon
2021-09-07  8:47 ` [dpdk-dev] " Ferruh Yigit
2021-09-08 10:29   ` [dpdk-dev] [EXT] " Anoob Joseph
2021-09-13  6:56     ` Xu, Rosen
2021-09-13  7:22       ` Andrew Rybchenko
2021-09-14  5:14         ` Anoob Joseph
2021-09-08  6:34 ` [dpdk-dev] " Xu, Rosen
2021-09-08  6:36   ` Xu, Rosen
2022-01-03 15:08 ` [PATCH 0/8] ethdev: introduce IP " Akhil Goyal
2022-01-03 15:08   ` [PATCH 1/8] " Akhil Goyal
2022-01-11 16:03     ` Ananyev, Konstantin [this message]
2022-01-22  7:38     ` Andrew Rybchenko
2022-01-30 16:53       ` [EXT] " Akhil Goyal
2022-01-03 15:08   ` [PATCH 2/8] ethdev: add dev op for IP reassembly configuration Akhil Goyal
2022-01-11 16:09     ` Ananyev, Konstantin
2022-01-11 18:54       ` Akhil Goyal
2022-01-12 10:22         ` Ananyev, Konstantin
2022-01-12 10:32           ` Akhil Goyal
2022-01-12 10:48             ` Ananyev, Konstantin
2022-01-12 11:06               ` Akhil Goyal
2022-01-13 13:31                 ` Akhil Goyal
2022-01-13 14:41                   ` Ananyev, Konstantin
2022-01-03 15:08   ` [PATCH 3/8] ethdev: add mbuf dynfield for incomplete IP reassembly Akhil Goyal
2022-01-11 17:04     ` Ananyev, Konstantin
2022-01-11 18:44       ` Akhil Goyal
2022-01-12 10:30         ` Ananyev, Konstantin
2022-01-12 10:59           ` Akhil Goyal
2022-01-13 22:29             ` Ananyev, Konstantin
2022-01-13 13:18         ` Akhil Goyal
2022-01-13 14:36           ` Ananyev, Konstantin
2022-01-13 15:04             ` Akhil Goyal
2022-01-03 15:08   ` [PATCH 4/8] security: add IPsec option for " Akhil Goyal
2022-01-03 15:08   ` [PATCH 5/8] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-01-20 16:48     ` [PATCH v2 0/4] app/test: add inline IPsec and reassembly cases Akhil Goyal
2022-01-20 16:48       ` [PATCH v2 1/4] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-01-20 16:48       ` [PATCH v2 2/4] app/test: add IP reassembly case with no frags Akhil Goyal
2022-01-20 16:48       ` [PATCH v2 3/4] app/test: add IP reassembly cases with multiple fragments Akhil Goyal
2022-01-20 16:48       ` [PATCH v2 4/4] app/test: add IP reassembly negative cases Akhil Goyal
2022-02-17 17:23       ` [PATCH v3 0/4] app/test: add inline IPsec and reassembly cases Akhil Goyal
2022-02-17 17:23         ` [PATCH v3 1/4] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-02-17 17:23         ` [PATCH v3 2/4] app/test: add IP reassembly case with no frags Akhil Goyal
2022-02-17 17:23         ` [PATCH v3 3/4] app/test: add IP reassembly cases with multiple fragments Akhil Goyal
2022-02-17 17:23         ` [PATCH v3 4/4] app/test: add IP reassembly negative cases Akhil Goyal
2022-04-16 19:25         ` [PATCH v4 00/10] app/test: add inline IPsec and reassembly cases Akhil Goyal
2022-04-16 19:25           ` [PATCH v4 01/10] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-04-16 19:25           ` [PATCH v4 02/10] test/security: add inline inbound IPsec cases Akhil Goyal
2022-04-16 19:25           ` [PATCH v4 03/10] test/security: add combined mode inline " Akhil Goyal
2022-04-16 19:25           ` [PATCH v4 04/10] test/security: add inline IPsec reassembly cases Akhil Goyal
2022-04-16 19:25           ` [PATCH v4 05/10] test/security: add more inline IPsec functional cases Akhil Goyal
2022-04-16 19:25           ` [PATCH v4 06/10] test/security: add ESN and anti-replay cases for inline Akhil Goyal
2022-04-16 19:25           ` [PATCH v4 07/10] ethdev: add IPsec SA expiry event subtypes Akhil Goyal
2022-04-19  8:58             ` Thomas Monjalon
2022-04-19 10:14               ` [EXT] " Akhil Goyal
2022-04-19 10:19                 ` Anoob Joseph
2022-04-19 10:37                   ` Thomas Monjalon
2022-04-19 10:39                     ` Anoob Joseph
2022-04-19 10:47                 ` Thomas Monjalon
2022-04-19 12:27                   ` Akhil Goyal
2022-04-19 15:41                     ` Ray Kinsella
2022-04-20 13:51                       ` Akhil Goyal
2022-09-24 13:57             ` [PATCH v5 0/3] Add and test IPsec SA expiry events Akhil Goyal
2022-09-24 13:57               ` [PATCH v5 1/3] ethdev: add IPsec SA expiry event subtypes Akhil Goyal
2022-09-24 14:02                 ` Akhil Goyal
2022-09-26 14:02                 ` Thomas Monjalon
2022-09-27 18:44                   ` [EXT] " Akhil Goyal
2022-09-24 13:57               ` [PATCH v5 2/3] test/security: add inline IPsec SA soft expiry cases Akhil Goyal
2022-09-24 13:57               ` [PATCH v5 3/3] test/security: add inline IPsec SA hard " Akhil Goyal
2022-09-26 17:07               ` [PATCH v6 0/3] Add and test IPsec SA expiry events Akhil Goyal
2022-09-26 17:07                 ` [PATCH v6 1/3] ethdev: add IPsec SA expiry event subtypes Akhil Goyal
2022-09-26 17:07                 ` [PATCH v6 2/3] test/security: add inline IPsec SA soft expiry cases Akhil Goyal
2022-09-26 17:07                 ` [PATCH v6 3/3] test/security: add inline IPsec SA hard " Akhil Goyal
2022-04-16 19:25           ` [PATCH v4 08/10] test/security: add inline IPsec SA soft " Akhil Goyal
2022-04-16 19:25           ` [PATCH v4 09/10] test/security: add inline IPsec SA hard " Akhil Goyal
2022-04-16 19:25           ` [PATCH v4 10/10] test/security: add inline IPsec IPv6 flow label cases Akhil Goyal
2022-04-18  3:44             ` Anoob Joseph
2022-04-18  3:55               ` Akhil Goyal
2022-04-25 12:38           ` [PATCH v4 00/10] app/test: add inline IPsec and reassembly cases Poczatek, Jakub
2022-04-27 15:10           ` [PATCH v5 0/7] " Akhil Goyal
2022-04-27 15:10             ` [PATCH v5 1/7] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-04-27 15:44               ` Zhang, Roy Fan
2022-04-27 15:10             ` [PATCH v5 2/7] test/security: add inline inbound IPsec cases Akhil Goyal
2022-04-27 15:44               ` Zhang, Roy Fan
2022-04-27 15:10             ` [PATCH v5 3/7] test/security: add combined mode inline " Akhil Goyal
2022-04-27 15:45               ` Zhang, Roy Fan
2022-04-27 15:10             ` [PATCH v5 4/7] test/security: add inline IPsec reassembly cases Akhil Goyal
2022-04-27 15:45               ` Zhang, Roy Fan
2022-04-27 15:10             ` [PATCH v5 5/7] test/security: add more inline IPsec functional cases Akhil Goyal
2022-04-27 15:46               ` Zhang, Roy Fan
2022-04-27 15:10             ` [PATCH v5 6/7] test/security: add ESN and anti-replay cases for inline Akhil Goyal
2022-04-27 15:46               ` Zhang, Roy Fan
2022-04-28  5:25               ` Anoob Joseph
2022-04-27 15:10             ` [PATCH v5 7/7] test/security: add inline IPsec IPv6 flow label cases Akhil Goyal
2022-04-27 15:46               ` Zhang, Roy Fan
2022-04-27 15:42             ` [PATCH v5 0/7] app/test: add inline IPsec and reassembly cases Zhang, Roy Fan
2022-05-13  7:31             ` [PATCH v6 " Akhil Goyal
2022-05-13  7:31               ` [PATCH v6 1/7] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-05-13  7:31               ` [PATCH v6 2/7] test/security: add inline inbound IPsec cases Akhil Goyal
2022-05-13  7:31               ` [PATCH v6 3/7] test/security: add combined mode inline " Akhil Goyal
2022-05-13  7:31               ` [PATCH v6 4/7] test/security: add inline IPsec reassembly cases Akhil Goyal
2022-05-13  7:31               ` [PATCH v6 5/7] test/security: add more inline IPsec functional cases Akhil Goyal
2022-05-13  7:32               ` [PATCH v6 6/7] test/security: add ESN and anti-replay cases for inline Akhil Goyal
2022-05-13  7:32               ` [PATCH v6 7/7] test/security: add inline IPsec IPv6 flow label cases Akhil Goyal
2022-05-24  7:22               ` [PATCH v7 0/7] app/test: add inline IPsec and reassembly cases Akhil Goyal
2022-05-24  7:22                 ` [PATCH v7 1/7] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-05-24  7:22                 ` [PATCH v7 2/7] test/security: add inline inbound IPsec cases Akhil Goyal
2022-05-24  7:22                 ` [PATCH v7 3/7] test/security: add combined mode inline " Akhil Goyal
2022-05-24  7:22                 ` [PATCH v7 4/7] test/security: add inline IPsec reassembly cases Akhil Goyal
2022-05-24  7:22                 ` [PATCH v7 5/7] test/security: add more inline IPsec functional cases Akhil Goyal
2022-05-24  7:22                 ` [PATCH v7 6/7] test/security: add ESN and anti-replay cases for inline Akhil Goyal
2022-05-24  7:22                 ` [PATCH v7 7/7] test/security: add inline IPsec IPv6 flow label cases Akhil Goyal
2022-05-24  8:05                 ` [PATCH v7 0/7] app/test: add inline IPsec and reassembly cases Anoob Joseph
2022-05-24  9:38                   ` Akhil Goyal
2022-01-03 15:08   ` [PATCH 6/8] app/test: add IP reassembly case with no frags Akhil Goyal
2022-01-03 15:08   ` [PATCH 7/8] app/test: add IP reassembly cases with multiple fragments Akhil Goyal
2022-01-03 15:08   ` [PATCH 8/8] app/test: add IP reassembly negative cases Akhil Goyal
2022-01-06  9:51   ` [PATCH 0/8] ethdev: introduce IP reassembly offload David Marchand
2022-01-06  9:54     ` [EXT] " Akhil Goyal
2022-01-20 16:26   ` [PATCH v2 0/4] " Akhil Goyal
2022-01-20 16:26     ` [PATCH v2 1/4] " Akhil Goyal
2022-01-20 16:45       ` Stephen Hemminger
2022-01-20 17:11         ` [EXT] " Akhil Goyal
2022-01-20 16:26     ` [PATCH v2 2/4] ethdev: add dev op to set/get IP reassembly configuration Akhil Goyal
2022-01-22  8:17       ` Andrew Rybchenko
2022-01-30 16:30         ` [EXT] " Akhil Goyal
2022-01-20 16:26     ` [PATCH v2 3/4] ethdev: add mbuf dynfield for incomplete IP reassembly Akhil Goyal
2022-01-20 16:26     ` [PATCH v2 4/4] security: add IPsec option for " Akhil Goyal
2022-01-30 17:59     ` [PATCH v3 0/4] ethdev: introduce IP reassembly offload Akhil Goyal
2022-01-30 17:59       ` [PATCH v3 1/4] " Akhil Goyal
2022-02-01 14:11         ` Ferruh Yigit
2022-02-02 10:57           ` [EXT] " Akhil Goyal
2022-02-02 14:05             ` Ferruh Yigit
2022-01-30 17:59       ` [PATCH v3 2/4] ethdev: add dev op to set/get IP reassembly configuration Akhil Goyal
2022-01-30 17:59       ` [PATCH v3 3/4] ethdev: add mbuf dynfield for incomplete IP reassembly Akhil Goyal
2022-02-01 14:11         ` Ferruh Yigit
2022-02-02  9:13           ` [EXT] " Akhil Goyal
2022-01-30 17:59       ` [PATCH v3 4/4] security: add IPsec option for " Akhil Goyal
2022-02-01 14:12         ` Ferruh Yigit
2022-02-02  9:15           ` [EXT] " Akhil Goyal
2022-02-02 14:04             ` Ferruh Yigit
2022-02-01 14:10       ` [PATCH v3 0/4] ethdev: introduce IP reassembly offload Ferruh Yigit
2022-02-02  9:05         ` [EXT] " Akhil Goyal
2022-02-04 22:13       ` [PATCH v4 0/3] " Akhil Goyal
2022-02-04 22:13         ` [PATCH v4 1/3] " Akhil Goyal
2022-02-04 22:20           ` Akhil Goyal
2022-02-07 13:53           ` Ferruh Yigit
2022-02-07 14:36             ` [EXT] " Akhil Goyal
2022-02-04 22:13         ` [PATCH v4 2/3] ethdev: add mbuf dynfield for incomplete IP reassembly Akhil Goyal
2022-02-07 13:58           ` Ferruh Yigit
2022-02-07 14:20             ` [EXT] " Akhil Goyal
2022-02-07 14:56               ` Ferruh Yigit
2022-02-07 16:20                 ` Akhil Goyal
2022-02-07 16:41                   ` Ferruh Yigit
2022-02-07 17:17                     ` Akhil Goyal
2022-02-07 17:23           ` Stephen Hemminger
2022-02-07 17:28             ` Ferruh Yigit
2022-02-07 18:01               ` Stephen Hemminger
2022-02-07 18:28                 ` [EXT] " Akhil Goyal
2022-02-07 19:08                   ` Stephen Hemminger
2022-02-07 17:29             ` Akhil Goyal
2022-02-04 22:13         ` [PATCH v4 3/3] security: add IPsec option for " Akhil Goyal
2022-02-08  9:01           ` David Marchand
2022-02-08  9:18             ` [EXT] " Akhil Goyal
2022-02-08  9:27               ` David Marchand
2022-02-08 10:45                 ` Akhil Goyal
2022-02-08 13:19                   ` Akhil Goyal
2022-02-08 19:55                     ` David Marchand
2022-02-08 20:01                       ` Akhil Goyal
2022-02-08 20:11         ` [PATCH v5 0/3] ethdev: introduce IP reassembly offload Akhil Goyal
2022-02-08 20:11           ` [PATCH v5 1/3] " Akhil Goyal
2022-02-08 20:11           ` [PATCH v5 2/3] ethdev: add mbuf dynfield for incomplete IP reassembly Akhil Goyal
2022-02-08 20:11           ` [PATCH v5 3/3] security: add IPsec option for " Akhil Goyal
2022-02-08 22:20           ` [PATCH v6 0/3] ethdev: introduce IP reassembly offload Akhil Goyal
2022-02-08 22:20             ` [PATCH v6 1/3] " Akhil Goyal
2022-02-10  8:54               ` Ferruh Yigit
2022-02-10 10:08               ` Andrew Rybchenko
2022-02-10 10:20                 ` Ferruh Yigit
2022-02-10 10:30                   ` Ferruh Yigit
2022-02-08 22:20             ` [PATCH v6 2/3] ethdev: add mbuf dynfield for incomplete IP reassembly Akhil Goyal
2022-02-10  8:54               ` Ferruh Yigit
2022-02-08 22:20             ` [PATCH v6 3/3] security: add IPsec option for " Akhil Goyal
2022-02-10  8:54             ` [PATCH v6 0/3] ethdev: introduce IP reassembly offload Ferruh Yigit

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