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From: Ferruh Yigit <ferruh.yigit@amd.com>
To: David Marchand <david.marchand@redhat.com>
Cc: jerinj@marvell.com, dev@dpdk.org,
	Thomas Monjalon <thomas@monjalon.net>,
	Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>,
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	cristian.dumitrescu@intel.com
Subject: Re: [dpdk-dev] [v1] ethdev: support Tx queue used count
Date: Fri, 12 Jan 2024 14:25:39 +0000	[thread overview]
Message-ID: <a2d36160-5a8d-4570-98d6-434d3435bb79@amd.com> (raw)
In-Reply-To: <CAJFAV8wmgo9d+Taf=-4q61pJQ4RET3nr=0fuN7oYztDaHMaNhQ@mail.gmail.com>

On 1/12/2024 12:11 PM, David Marchand wrote:
> CAUTION: This message has originated from an External Source. Please use proper judgment and caution when opening attachments, clicking links, or responding to this email.
> 
> 
> On Fri, Jan 12, 2024 at 12:34 PM Ferruh Yigit <ferruh.yigit@amd.com> wrote:
>>> diff --git a/lib/ethdev/rte_ethdev_core.h b/lib/ethdev/rte_ethdev_core.h
>>> index 4bfaf79c6c..d3f09f390d 100644
>>> --- a/lib/ethdev/rte_ethdev_core.h
>>> +++ b/lib/ethdev/rte_ethdev_core.h
>>> @@ -60,6 +60,9 @@ typedef uint16_t (*eth_recycle_tx_mbufs_reuse_t)(void *txq,
>>>  /** @internal Refill Rx descriptors with the recycling mbufs */
>>>  typedef void (*eth_recycle_rx_descriptors_refill_t)(void *rxq, uint16_t nb);
>>>
>>> +/** @internal Get number of used descriptors on a transmit queue. */
>>> +typedef int (*eth_tx_queue_count_t)(void *txq);
>>> +
>>
>> Can you please move it above 'tx_descriptor_status', to keep same order
>> kept in many other locations:
>> rx_queue_count
>> rx_descriptor_status
>> tx_queue_count
>> tx_descriptor_status
>>
>>
>>>  /**
>>>   * @internal
>>>   * Structure used to hold opaque pointers to internal ethdev Rx/Tx
>>> @@ -116,7 +119,9 @@ struct rte_eth_fp_ops {
>>>       eth_tx_descriptor_status_t tx_descriptor_status;
>>>       /** Copy used mbufs from Tx mbuf ring into Rx. */
>>>       eth_recycle_tx_mbufs_reuse_t recycle_tx_mbufs_reuse;
>>> -     uintptr_t reserved2[2];
>>> +     /** Get the number of used Tx descriptors. */
>>> +     eth_tx_queue_count_t tx_queue_count;
>>>
>>
>> Similarly, can you please move it above 'tx_descriptor_status'?
> 
> Moving fields in rte_eth_fp_ops (where fast-path API ops are) breaks
> the applications ABI.
> 

You are right, what about put a TODO note or deprecation notice to move
it in next ABI break release?


  reply	other threads:[~2024-01-12 14:26 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-19 17:29 [dpdk-dev] [RFC] ethdev: support Tx queue free descriptor query jerinj
2024-01-04 13:16 ` Dumitrescu, Cristian
2024-01-04 13:35   ` Jerin Jacob
2024-01-04 14:21     ` Konstantin Ananyev
2024-01-04 18:29       ` Thomas Monjalon
2024-01-05  9:57         ` Jerin Jacob
2024-01-05 10:03           ` Thomas Monjalon
2024-01-05 11:12             ` Konstantin Ananyev
2024-01-08 20:54               ` Morten Brørup
2024-01-09 14:45                 ` Jerin Jacob
2024-01-04 21:17 ` Thomas Monjalon
2024-01-05  9:54   ` Jerin Jacob
2024-01-05 10:02     ` Thomas Monjalon
2024-01-08 10:54 ` Bruce Richardson
2024-01-08 21:15   ` Morten Brørup
2024-01-09  8:47     ` Bruce Richardson
2024-01-12 10:56     ` Ferruh Yigit
2024-01-11 15:17 ` [dpdk-dev] [v1] ethdev: support Tx queue used count jerinj
2024-01-11 16:17   ` Andrew Rybchenko
2024-01-12  6:56     ` Jerin Jacob
2024-01-11 16:20   ` Morten Brørup
2024-01-12  6:59     ` Jerin Jacob
2024-01-11 17:00   ` Stephen Hemminger
2024-01-12  7:01     ` Jerin Jacob
2024-01-12 16:30       ` Stephen Hemminger
2024-01-12  8:02   ` David Marchand
2024-01-12  9:29     ` Jerin Jacob
2024-01-12 11:34   ` Ferruh Yigit
2024-01-12 12:11     ` David Marchand
2024-01-12 14:25       ` Ferruh Yigit [this message]
2024-01-12 12:29     ` Morten Brørup
2024-01-12 14:29       ` Ferruh Yigit
2024-01-18  9:06     ` Jerin Jacob
2024-01-12 12:33   ` Konstantin Ananyev
2024-01-16  6:37     ` Jerin Jacob
2024-01-18 10:17       ` Konstantin Ananyev
2024-01-18 11:21         ` Jerin Jacob
2024-01-18 13:36         ` Morten Brørup
2024-01-19  9:52           ` Konstantin Ananyev
2024-01-19 10:32             ` Morten Brørup
2024-01-12 16:52   ` Stephen Hemminger
2024-01-18  9:47   ` [dpdk-dev] [v2] " jerinj
2024-01-22 13:00     ` Konstantin Ananyev
2024-01-23 11:46       ` Ferruh Yigit
2024-02-07 20:30         ` Ferruh Yigit
2024-01-29 15:03     ` Ferruh Yigit

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