netdev - Re: [PATCH net-next v3 0/7] ibmvnic: Update TX pool and TX routines

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Date:   Thu, 15 Mar 2018 19:48:36 -0500
From:   Thomas Falcon <tlfalcon@...ux.vnet.ibm.com>
To:     netdev@...r.kernel.org
Cc:     jallen@...ux.vnet.ibm.com, nfont@...ux.vnet.ibm.com,
        davem@...emloft.net
Subject: Re: [PATCH net-next v3 0/7] ibmvnic: Update TX pool and TX routines

On 03/15/2018 11:02 AM, Thomas Falcon wrote:
> This patch restructures the TX pool data structure and provides a
> separate TX pool array for TSO transmissions. This is already used
> in some way due to our unique DMA situation, namely that we cannot
> use single DMA mappings for packet data. Previously, both buffer
> arrays used the same pool entry. This restructuring allows for
> some additional cleanup in the driver code, especially in some
> places in the device transmit routine.
>
> In addition, it allows us to more easily track the consumer
> and producer indexes of a particular pool. This has been
> further improved by better tracking of in-use buffers to
> prevent possible data corruption in case an invalid buffer
> entry is used.
>
> v3: Forgot to update TX pool cleaning function to handle new data
> structures. Included 7th patch for that.
>
> v2: Fix typo in 3/6 commit subject line
>
> Thomas Falcon (7):
>   ibmvnic: Generalize TX pool structure
>   ibmvnic: Update and clean up reset TX pool routine
>   ibmvnic: Update release TX pool routine
>   ibmvnic: Update TX pool initialization routine
>   ibmvnic: Update TX and TX completion routines
>   ibmvnic: Improve TX buffer accounting
>   ibmvnic: Update TX pool cleaning routine
>
>  drivers/net/ethernet/ibm/ibmvnic.c | 275 +++++++++++++++++++++----------------
>  drivers/net/ethernet/ibm/ibmvnic.h |   8 +-
>  2 files changed, 160 insertions(+), 123 deletions(-)
>
Sorry again, I need to send another version because of a bug in the 7th patch.