netdev - RE: [PATCH V3,net-next, 2/4] net: mana: Refactor RX buffer allocation code to prepare for various MTU

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Message-ID: <PH7PR21MB31169AA6B8BBB17C0144713ACA9E9@PH7PR21MB3116.namprd21.prod.outlook.com>
Date:   Sat, 15 Apr 2023 14:09:06 +0000
From:   Haiyang Zhang <haiyangz@...rosoft.com>
To:     Jakub Kicinski <kuba@...nel.org>
CC:     "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Dexuan Cui <decui@...rosoft.com>,
        KY Srinivasan <kys@...rosoft.com>,
        Paul Rosswurm <paulros@...rosoft.com>,
        "olaf@...fle.de" <olaf@...fle.de>,
        "vkuznets@...hat.com" <vkuznets@...hat.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "wei.liu@...nel.org" <wei.liu@...nel.org>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "leon@...nel.org" <leon@...nel.org>,
        Long Li <longli@...rosoft.com>,
        "ssengar@...ux.microsoft.com" <ssengar@...ux.microsoft.com>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        "john.fastabend@...il.com" <john.fastabend@...il.com>,
        "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
        "ast@...nel.org" <ast@...nel.org>,
        Ajay Sharma <sharmaajay@...rosoft.com>,
        "hawk@...nel.org" <hawk@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH V3,net-next, 2/4] net: mana: Refactor RX buffer allocation
 code to prepare for various MTU



> -----Original Message-----
> From: Jakub Kicinski <kuba@...nel.org>
> Sent: Friday, April 14, 2023 10:05 PM
> To: Haiyang Zhang <haiyangz@...rosoft.com>
> Cc: linux-hyperv@...r.kernel.org; netdev@...r.kernel.org; Dexuan Cui
> <decui@...rosoft.com>; KY Srinivasan <kys@...rosoft.com>; Paul Rosswurm
> <paulros@...rosoft.com>; olaf@...fle.de; vkuznets@...hat.com;
> davem@...emloft.net; wei.liu@...nel.org; edumazet@...gle.com;
> pabeni@...hat.com; leon@...nel.org; Long Li <longli@...rosoft.com>;
> ssengar@...ux.microsoft.com; linux-rdma@...r.kernel.org;
> daniel@...earbox.net; john.fastabend@...il.com; bpf@...r.kernel.org;
> ast@...nel.org; Ajay Sharma <sharmaajay@...rosoft.com>;
> hawk@...nel.org; linux-kernel@...r.kernel.org
> Subject: Re: [PATCH V3,net-next, 2/4] net: mana: Refactor RX buffer allocation
> code to prepare for various MTU
> 
> On Wed, 12 Apr 2023 14:16:01 -0700 Haiyang Zhang wrote:
> > +/* Allocate frag for rx buffer, and save the old buf */
> > +static void mana_refill_rxoob(struct device *dev, struct mana_rxq *rxq,
> 
> The fill function is spelled with a _ between rx and oob,
> please be consistent.

Will do.
> 
> > +			      struct mana_recv_buf_oob *rxoob, void
> **old_buf)
> > +{
> > +	dma_addr_t da;
> > +	void *va;
> > +
> > +	va = mana_get_rxfrag(rxq, dev, &da, true);
> > +
> 
> no empty lines between function call and error check.
> Please fix this in all the code this patch set is touching.

Sure. Since the patch set is accepted, I will fix the empty lines
in a new patch.

Thanks,
- Haiyang