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Mon, 7 Dec 2020 19:45:37 +0000 Date: Mon, 7 Dec 2020 15:45:35 -0400 From: Jason Gunthorpe To: Selvin Xavier CC: , , Devesh Sharma Subject: Re: [PATCH] RDMA/bnxt_re: Fix max_qp_wrs reported Message-ID: <20201207194535.GA1773945@nvidia.com> References: <1606741986-16477-1-git-send-email-selvin.xavier@broadcom.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <1606741986-16477-1-git-send-email-selvin.xavier@broadcom.com> X-ClientProxiedBy: BL1PR13CA0304.namprd13.prod.outlook.com (2603:10b6:208:2c1::9) To DM6PR12MB3834.namprd12.prod.outlook.com (2603:10b6:5:14a::12) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from mlx.ziepe.ca (142.162.115.133) by BL1PR13CA0304.namprd13.prod.outlook.com (2603:10b6:208:2c1::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3654.5 via Frontend Transport; Mon, 7 Dec 2020 19:45:36 +0000 Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1kmMRz-007RUY-3i; Mon, 07 Dec 2020 15:45:35 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1607370345; bh=GyvblNlLXu9iQJRjEQSCmA5c+aAQ+qKWPNZohcdvZOc=; h=ARC-Seal:ARC-Message-Signature:ARC-Authentication-Results:Date: From:To:CC:Subject:Message-ID:References:Content-Type: Content-Disposition:In-Reply-To:X-ClientProxiedBy:MIME-Version: X-MS-Exchange-MessageSentRepresentingType; b=cjkFmtOLAyztO84+BouyzVXBIVTUgRI9wMSLJ3LEVHvYWPJstAv91XiXlsBEDnCiW JXHEIxrF9YeCjXbnKti33E2+GqdcbwIANz22t2bC1aTFU79wF7d8D9WzZ4Z76mxdW8 w99WYr4jMr7b0HYbAH92ak2u5YaUePArf4sELuekHxHob2wUhkaTmxLIZ9EJOPQHYa pTD+pcVSFMcMHewK5u8HAdrb+8OQP9n9U6+a/m5D+/obtpIb7YkpdG1Z7xRadqiueU qPYqdxy6baeI1LvqyWNu88/XkZ00LiDvguufpI8kDnMUYVHOQ4ZSb0gCmquCccndQv FF3x2Li2Qhsng== Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On Mon, Nov 30, 2020 at 05:13:06AM -0800, Selvin Xavier wrote: > While creating qps, driver adds one extra entry to the sq size > passed by the ULPs in order to avoid queue full condition. > When ULPs creates QPs with max_qp_wr reported, driver creates > QP with 1 more than the max_wqes supported by HW. Create QP fails > in this case. To avoid this error, reduce 1 entry in max_qp_wqes > and report it to the stack. > > Signed-off-by: Devesh Sharma > Signed-off-by: Selvin Xavier > --- > drivers/infiniband/hw/bnxt_re/qplib_sp.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Applied to for-next, thanks Jason