netdev - RE: [EXTERNAL] Re: [net-next PATCH v2 1/6] octeontx2-pf: Add AF

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Message-ID:
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Date: Fri, 10 Jan 2025 09:34:51 +0000
From: Suman Ghosh <sumang@...vell.com>
To: Simon Horman <horms@...nel.org>
CC: Sunil Kovvuri Goutham <sgoutham@...vell.com>,
        Geethasowjanya Akula
	<gakula@...vell.com>,
        Subbaraya Sundeep Bhatta <sbhatta@...vell.com>,
        Hariprasad Kelam <hkelam@...vell.com>,
        "davem@...emloft.net"
	<davem@...emloft.net>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Linu Cherian
	<lcherian@...vell.com>, Jerin Jacob <jerinj@...vell.com>,
        "john.fastabend@...il.com" <john.fastabend@...il.com>,
        Bharat Bhushan
	<bbhushan2@...vell.com>,
        "hawk@...nel.org" <hawk@...nel.org>,
        "andrew+netdev@...n.ch" <andrew+netdev@...n.ch>,
        "ast@...nel.org"
	<ast@...nel.org>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        "bpf@...r.kernel.org" <bpf@...r.kernel.org>
Subject: RE: [EXTERNAL] Re: [net-next PATCH v2 1/6] octeontx2-pf: Add AF_XDP
 non-zero copy support

Hi Simon,

>
>> @@ -109,6 +109,11 @@ static void otx2_xdp_snd_pkt_handler(struct
>otx2_nic *pfvf,
>>  	otx2_dma_unmap_page(pfvf, sg->dma_addr[0],
>>  			    sg->size[0], DMA_TO_DEVICE);
>>  	page = virt_to_page(phys_to_virt(pa));
>> +	if (page->pp) {
>> +		page_pool_recycle_direct(page->pp, page);
>> +		return;
>> +	}
>> +
>>  	put_page(page);
>>  }
>>
>
>Hi Suman,
>
>It is included indirectly in the following patch,
>[v2 2/6] octeontx2-pf: Don't unmap page pool buffer used by XDP, but I
>believe you need the following in order for this to compile:
[Suman] ack
>
>#include <net/page_pool/helpers.h>
>
>...
>
>pw-bot: changes-requested