netdev - Re: [net-next PATCH 1/3] octeontx2-pf: Simplify the receive buffer size calculation

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Date:   Tue, 5 Oct 2021 18:11:47 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Subbaraya Sundeep <sbhatta@...vell.com>
Cc:     <davem@...emloft.net>, <netdev@...r.kernel.org>,
        <sgoutham@...vell.com>, <hkelam@...vell.com>, <gakula@...vell.com>
Subject: Re: [net-next PATCH 1/3] octeontx2-pf: Simplify the receive buffer
 size calculation

On Tue, 5 Oct 2021 22:45:34 +0530 Subbaraya Sundeep wrote:
> This patch separates the logic of configuring hardware
> maximum transmit frame size and receive frame size.
> This simplifies the logic to calculate receive buffer
> size and using cqe descriptor of different size.
> Also additional size of skb_shared_info structure is
> allocated for each receive buffer pointer given to
> hardware which is not necessary. Hence change the
> size calculation to remove the size of
> skb_shared_info. Add a check for array out of
> bounds while adding fragments to the network stack.

drivers/net/ethernet/marvell/octeontx2/nic/cn10k.c:91:54: error: ‘struct otx2_nic’ has no member named ‘max_frs’
   91 |  aq->sq.smq_rr_weight = mtu_to_dwrr_weight(pfvf, pfvf->max_frs);
      |                                                      ^~