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From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Billy McFall <bmcfall@redhat.com>
Cc: wenzhuo.lu@intel.com, olivier.matz@6wind.com, dev@dpdk.org,
	ferruh.yigit@intel.com
Subject: Re: [PATCH v8 0/3] new API to free consumed buffers in Tx ring
Date: Mon, 27 Mar 2017 17:20:56 +0200	[thread overview]
Message-ID: <8984375.ZHu6gZbrb8@xps13> (raw)
In-Reply-To: <20170324185555.18398-1-bmcfall@redhat.com>

2017-03-24 14:55, Billy McFall:
> See request from 11/21/2016:
>   http://dpdk.org/ml/archives/dev/2016-November/050585.html
> 
> Add a new API to free consumed buffers on TX ring. This addresses two
> scenarios:
> 1) Flooding a packet and want to reuse existing mbuf to avoid a packet
> copy. Increment the reference count of the packet and poll new API until
> reference count is decremented.
> 2) Application runs out of mbufs, or resets and is preparing for
> additional run, call API to free consumed packets so processing can
> continue.
> 
> API will return the number of packets freed (0-n) or error code if
> feature not supported (-ENOTSUP) or input invalid (-ENODEV).
> 
> API for e1000 igb driver and vHost driver have been implemented. Other
> drivers can be implemented over time. Some drivers implement a Tx done
> flush routine that should be reused where possible. e1000 igb driver
> and vHost driver do not have such functions.

Applied, thanks.

Hope the API will be implemented in other drivers.

  parent reply	other threads:[~2017-03-27 15:20 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-20 16:01 [PATCH v3 0/3] new API to free consumed buffers in Tx ring Billy McFall
2017-01-20 16:01 ` [PATCH v3 1/3] ethdev: " Billy McFall
2017-01-20 16:01 ` [PATCH v3 2/3] net/e1000: e1000 igb support to free consumed buffers Billy McFall
2017-01-22  3:47   ` Lu, Wenzhuo
2017-01-23 13:49     ` Billy McFall
2017-01-24  0:42       ` Lu, Wenzhuo
2017-01-20 16:01 ` [PATCH v3 3/3] net/vhost: vHost " Billy McFall
2017-01-23 15:25 ` [PATCH v3 0/3] new API to free consumed buffers in Tx ring Thomas Monjalon
2017-01-23 21:13 ` [PATCH v4 " Billy McFall
2017-01-23 21:13   ` [PATCH v4 1/3] ethdev: " Billy McFall
2017-01-23 21:13   ` [PATCH v4 2/3] net/e1000: e1000 igb support to free consumed buffers Billy McFall
2017-01-23 21:13   ` [PATCH v4 3/3] net/vhost: vHost " Billy McFall
2017-01-27 18:37   ` [PATCH v5 0/3] new API to free consumed buffers in Tx ring Billy McFall
2017-01-27 18:37     ` [PATCH v5 1/3] ethdev: " Billy McFall
2017-02-27 13:48       ` Thomas Monjalon
2017-03-07 14:29         ` Billy McFall
2017-03-07 16:03           ` Thomas Monjalon
2017-03-09 15:49             ` Billy McFall
2017-03-09 17:11               ` Thomas Monjalon
2017-03-07 16:35           ` Mcnamara, John
2017-03-07 16:42       ` Mcnamara, John
2017-01-27 18:37     ` [PATCH v5 2/3] net/e1000: e1000 igb support to free consumed buffers Billy McFall
2017-02-27 13:49       ` Thomas Monjalon
2017-02-28  1:07       ` Lu, Wenzhuo
2017-01-27 18:38     ` [PATCH v5 3/3] net/vhost: vHost " Billy McFall
2017-02-27 13:50       ` Thomas Monjalon
2017-02-28  6:41         ` Yuanhan Liu
2017-03-01 10:15           ` Maxime Coquelin
2017-03-07 21:59     ` [PATCH v5 0/3] new API to free consumed buffers in Tx ring Thomas Monjalon
2017-03-09 20:51     ` [PATCH v6 " Billy McFall
2017-03-09 20:51       ` [PATCH v6 1/3] ethdev: " Billy McFall
2017-03-15 10:29         ` Olivier Matz
2017-03-15 15:01           ` Billy McFall
2017-03-15 10:30         ` Thomas Monjalon
2017-03-09 20:51       ` [PATCH v6 2/3] net/e1000: e1000 igb support to free consumed buffers Billy McFall
2017-03-13  3:17         ` Lu, Wenzhuo
2017-03-09 20:51       ` [PATCH v6 3/3] net/vhost: vHost " Billy McFall
2017-03-15 10:27         ` Thomas Monjalon
2017-03-15 18:02       ` [PATCH v7 0/3] new API to free consumed buffers in Tx ring Billy McFall
2017-03-15 18:02         ` [PATCH v7 1/3] ethdev: " Billy McFall
2017-03-23 10:37           ` Olivier MATZ
2017-03-23 13:32             ` Billy McFall
2017-03-24 12:46               ` Olivier Matz
2017-03-24 13:18                 ` Billy McFall
2017-03-24 13:30                   ` Olivier Matz
2017-03-15 18:02         ` [PATCH v7 2/3] net/e1000: e1000 igb support to free consumed buffers Billy McFall
2017-03-15 18:02         ` [PATCH v7 3/3] net/vhost: vHost " Billy McFall
2017-03-15 20:25         ` [PATCH v7 0/3] new API to free consumed buffers in Tx ring Wiles, Keith
2017-03-24 18:55         ` [PATCH v8 " Billy McFall
2017-03-24 18:55           ` [PATCH v8 1/3] ethdev: " Billy McFall
2017-03-24 18:55           ` [PATCH v8 2/3] net/e1000: e1000 igb support to free consumed buffers Billy McFall
2017-03-24 18:55           ` [PATCH v8 3/3] net/vhost: vHost " Billy McFall
2017-03-27 15:20           ` Thomas Monjalon [this message]
2017-04-19 16:25           ` [PATCH v8 0/3] new API to free consumed buffers in Tx ring Ferruh Yigit

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