From: Stephen Hemminger <stephen@networkplumber.org>
To: Olivier Matz <olivier.matz@6wind.com>
Cc: dev@dpdk.org, thomas.monjalon@6wind.com,
konstantin.ananyev@intel.com, wenzhuo.lu@intel.com,
helin.zhang@intel.com, jingjing.wu@intel.com,
adrien.mazarguil@6wind.com, nelio.laranjeiro@6wind.com,
ferruh.yigit@intel.com, bruce.richardson@intel.com
Subject: Re: [dpdk-dev] [PATCH 0/6] get status of Rx and Tx descriptors
Date: Wed, 1 Mar 2017 10:07:06 -0800 [thread overview]
Message-ID: <20170301100706.5df566fb@xeon-e3> (raw)
In-Reply-To: <1488388752-1819-1-git-send-email-olivier.matz@6wind.com>
On Wed, 1 Mar 2017 18:19:06 +0100
Olivier Matz <olivier.matz@6wind.com> wrote:
> This patchset introduces a new ethdev API:
> - rte_eth_rx_descriptor_status()
> - rte_eth_tx_descriptor_status()
>
> The Rx API is aims to replace rte_eth_rx_descriptor_done() which
> does almost the same, but does not differentiate the case of a
> descriptor used by the driver (not returned to the hw).
>
> The usage of these functions can be:
> - on Rx, anticipate that the cpu is not fast enough to process
> all incoming packets, and take dispositions to solve the
> problem (add more cpus, drop specific packets, ...)
> - on Tx, detect that the link is overloaded, and take dispositions
> to solve the problem (notify flow control, drop specific
> packets)
>
> The patchset updates ixgbe, i40e, e1000, mlx5.
> The other drivers that implement the descriptor_done() API are
> fm10k, sfc, virtio. They are not updated.
> If the new API is accepted, the descriptor_done() can be deprecated,
> and examples/l3fwd-power will be updated to.
>
>
> RFC->v1:
> - instead of optimizing an API that returns the number of used
> descriptors like rx_queue_count(), use a more simple API that
> returns the status of a descriptor, like rx_descriptor_done().
> - remove ethdev api rework (first 2 patches), they have been
> sent separately
>
>
> Olivier Matz (6):
> ethdev: add descriptor status API
> net/ixgbe: implement descriptor status API
> net/e1000: implement descriptor status API (igb)
> net/e1000: implement descriptor status API (em)
> net/mlx5: implement descriptor status API
> net/i40e: implement descriptor status API
>
> drivers/net/e1000/e1000_ethdev.h | 10 +++++
> drivers/net/e1000/em_ethdev.c | 2 +
> drivers/net/e1000/em_rxtx.c | 49 ++++++++++++++++++++++
> drivers/net/e1000/igb_ethdev.c | 2 +
> drivers/net/e1000/igb_rxtx.c | 46 +++++++++++++++++++++
> drivers/net/i40e/i40e_ethdev.c | 2 +
> drivers/net/i40e/i40e_ethdev_vf.c | 2 +
> drivers/net/i40e/i40e_rxtx.c | 56 +++++++++++++++++++++++++
> drivers/net/i40e/i40e_rxtx.h | 4 ++
> drivers/net/ixgbe/ixgbe_ethdev.c | 4 ++
> drivers/net/ixgbe/ixgbe_ethdev.h | 5 +++
> drivers/net/ixgbe/ixgbe_rxtx.c | 55 +++++++++++++++++++++++++
> drivers/net/mlx5/mlx5.c | 2 +
> drivers/net/mlx5/mlx5_rxtx.c | 83 +++++++++++++++++++++++++++++++++++++
> drivers/net/mlx5/mlx5_rxtx.h | 2 +
> lib/librte_ether/rte_ethdev.h | 86 +++++++++++++++++++++++++++++++++++++++
> 16 files changed, 410 insertions(+)
>
Could you update examples to use this?
next prev parent reply other threads:[~2017-03-01 18:07 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-24 9:54 [dpdk-dev] [RFC 0/9] get Rx and Tx used descriptors Olivier Matz
2016-11-24 9:54 ` [dpdk-dev] [RFC 1/9] ethdev: clarify api comments of rx queue count Olivier Matz
2016-11-24 10:52 ` Ferruh Yigit
2016-11-24 11:13 ` Olivier Matz
2016-11-24 9:54 ` [dpdk-dev] [RFC 2/9] ethdev: move queue id check in generic layer Olivier Matz
2016-11-24 10:59 ` Ferruh Yigit
2016-11-24 13:05 ` Olivier Matz
2016-11-24 9:54 ` [dpdk-dev] [RFC 3/9] ethdev: add handler for Tx queue descriptor count Olivier Matz
2016-11-24 9:54 ` [dpdk-dev] [RFC 4/9] net/ixgbe: optimize Rx " Olivier Matz
2016-11-24 9:54 ` [dpdk-dev] [RFC 5/9] net/ixgbe: add handler for Tx " Olivier Matz
2016-11-24 9:54 ` [dpdk-dev] [RFC 6/9] net/igb: optimize rx " Olivier Matz
2016-11-24 9:54 ` [dpdk-dev] [RFC 7/9] net/igb: add handler for tx " Olivier Matz
2016-11-24 9:54 ` [dpdk-dev] [RFC 8/9] net/e1000: optimize rx " Olivier Matz
2016-11-24 9:54 ` [dpdk-dev] [RFC 9/9] net/e1000: add handler for tx " Olivier Matz
2017-01-13 16:44 ` [dpdk-dev] [RFC 0/9] get Rx and Tx used descriptors Olivier Matz
2017-01-13 17:32 ` Richardson, Bruce
2017-01-17 8:24 ` Olivier Matz
2017-01-17 13:56 ` Bruce Richardson
2017-03-01 17:19 ` [dpdk-dev] [PATCH 0/6] get status of Rx and Tx descriptors Olivier Matz
2017-03-01 17:19 ` [dpdk-dev] [PATCH 1/6] ethdev: add descriptor status API Olivier Matz
2017-03-01 18:22 ` Andrew Rybchenko
2017-03-02 13:57 ` Olivier Matz
2017-03-02 14:19 ` Andrew Rybchenko
2017-03-02 14:54 ` Olivier Matz
2017-03-02 15:05 ` Andrew Rybchenko
2017-03-02 15:14 ` Olivier Matz
2017-03-01 17:19 ` [dpdk-dev] [PATCH 2/6] net/ixgbe: implement " Olivier Matz
2017-03-01 17:19 ` [dpdk-dev] [PATCH 3/6] net/e1000: implement descriptor status API (igb) Olivier Matz
2017-03-02 1:28 ` Lu, Wenzhuo
2017-03-02 13:58 ` Olivier Matz
2017-03-01 17:19 ` [dpdk-dev] [PATCH 4/6] net/e1000: implement descriptor status API (em) Olivier Matz
2017-03-02 1:22 ` Lu, Wenzhuo
2017-03-02 14:46 ` Olivier Matz
2017-03-03 1:15 ` Lu, Wenzhuo
2017-03-01 17:19 ` [dpdk-dev] [PATCH 5/6] net/mlx5: implement descriptor status API Olivier Matz
2017-03-02 7:56 ` Nélio Laranjeiro
2017-03-01 17:19 ` [dpdk-dev] [PATCH 6/6] net/i40e: " Olivier Matz
2017-03-01 18:02 ` [dpdk-dev] [PATCH 0/6] get status of Rx and Tx descriptors Andrew Rybchenko
2017-03-02 13:40 ` Olivier Matz
2017-03-06 10:41 ` Thomas Monjalon
2017-03-01 18:07 ` Stephen Hemminger [this message]
2017-03-02 13:43 ` Olivier Matz
2017-03-06 10:41 ` Thomas Monjalon
2017-03-02 15:32 ` Bruce Richardson
2017-03-02 16:14 ` Olivier Matz
2017-03-03 16:18 ` Venkatesan, Venky
2017-03-03 16:45 ` Olivier Matz
2017-03-03 18:46 ` Venkatesan, Venky
2017-03-04 20:45 ` Olivier Matz
2017-03-06 11:02 ` Thomas Monjalon
2017-03-07 15:59 ` [dpdk-dev] [PATCH v2 " Olivier Matz
2017-03-07 15:59 ` [dpdk-dev] [PATCH v2 1/6] ethdev: add descriptor status API Olivier Matz
2017-03-09 11:49 ` Andrew Rybchenko
2017-03-21 8:32 ` Yang, Qiming
2017-03-24 12:49 ` Olivier Matz
2017-03-27 1:28 ` Yang, Qiming
2017-03-07 15:59 ` [dpdk-dev] [PATCH v2 2/6] net/ixgbe: implement " Olivier Matz
2017-03-07 15:59 ` [dpdk-dev] [PATCH v2 3/6] net/e1000: implement descriptor status API (igb) Olivier Matz
2017-03-08 1:17 ` Lu, Wenzhuo
2017-03-07 15:59 ` [dpdk-dev] [PATCH v2 4/6] net/e1000: implement descriptor status API (em) Olivier Matz
2017-03-07 15:59 ` [dpdk-dev] [PATCH v2 5/6] net/mlx5: implement descriptor status API Olivier Matz
2017-03-07 15:59 ` [dpdk-dev] [PATCH v2 6/6] net/i40e: " Olivier Matz
2017-03-08 1:17 ` Lu, Wenzhuo
2017-03-29 8:36 ` [dpdk-dev] [PATCH v3 0/6] get status of Rx and Tx descriptors Olivier Matz
2017-03-29 8:36 ` [dpdk-dev] [PATCH v3 1/6] ethdev: add descriptor status API Olivier Matz
2017-03-29 8:36 ` [dpdk-dev] [PATCH v3 2/6] net/ixgbe: implement " Olivier Matz
2017-03-29 8:36 ` [dpdk-dev] [PATCH v3 3/6] net/e1000: implement descriptor status API (igb) Olivier Matz
2017-03-29 8:36 ` [dpdk-dev] [PATCH v3 4/6] net/e1000: implement descriptor status API (em) Olivier Matz
2017-03-29 8:36 ` [dpdk-dev] [PATCH v3 5/6] net/mlx5: implement descriptor status API Olivier Matz
2017-03-29 8:36 ` [dpdk-dev] [PATCH v3 6/6] net/i40e: " Olivier Matz
2017-03-30 13:30 ` [dpdk-dev] [PATCH v3 0/6] get status of Rx and Tx descriptors Thomas Monjalon
2017-04-19 15:50 ` Ferruh Yigit
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