linux-kernel - RE: [Patch v4 10/12] net: mana: Define max values for SGL entries

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Date:   Mon, 11 Jul 2022 01:32:36 +0000
From:   Dexuan Cui <decui@...rosoft.com>
To:     Long Li <longli@...rosoft.com>, KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Leon Romanovsky <leon@...nel.org>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "shiraz.saleem@...el.com" <shiraz.saleem@...el.com>,
        Ajay Sharma <sharmaajay@...rosoft.com>
CC:     "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>
Subject: RE: [Patch v4 10/12] net: mana: Define max values for SGL entries

> From: longli@...uxonhyperv.com <longli@...uxonhyperv.com>
> Sent: Wednesday, June 15, 2022 7:07 PM
> ...
> The number of maximum SGl entries should be computed from the maximum
s/SGl/SGL

> @@ -436,6 +436,13 @@ struct gdma_wqe {
>  #define MAX_TX_WQE_SIZE 512
>  #define MAX_RX_WQE_SIZE 256
> 
> +#define MAX_TX_WQE_SGL_ENTRIES	((GDMA_MAX_SQE_SIZE - \
> +			sizeof(struct gdma_sge) - INLINE_OOB_SMALL_SIZE) / \
> +			sizeof(struct gdma_sge))
> +
> +#define MAX_RX_WQE_SGL_ENTRIES	((GDMA_MAX_RQE_SIZE - \
> +			sizeof(struct gdma_sge)) / sizeof(struct gdma_sge))

Can we make these '\' chars aligned? :-)
Please refer to the definiton of "lock_requestor" in include/linux/hyperv.h.

Reviewed-by: Dexuan Cui <decui@...rosoft.com>