From patchwork Thu Jun 8 11:42:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Naveen Mamindlapalli X-Patchwork-Id: 13272191 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ACE2A13AF5 for ; Thu, 8 Jun 2023 11:42:30 +0000 (UTC) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0E6A92709; Thu, 8 Jun 2023 04:42:22 -0700 (PDT) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 35838MFo023496; Thu, 8 Jun 2023 04:42:14 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0220; bh=wcseGuDaoNRD1SW7h1dV0i2ofVn/Kiq/5Knj0cV+MkY=; b=IpB8ztal7RVMibujnI7AHyVEuSjOAxDOeTDqvHKBkveTLr6tkanjjj1/e8tmglXWSPIF b1mIOoEvrNYaK7Xkz+YOSkhRLUk6IeRKj1QEF7ajNXE0BLf6SjHIDPwyMZG2cpEu+6Iz J/z620RlIlsDI1PiUtxaGMlB0Ti2vMXVSFEfeDFsew0BxECBOQtMkxDd/zLwi6Wynw/7 YzBkyb943nka92MSqGXXG6nFvgWsuJVsse1RmCPFM2peS/jWNEhJ4lxYNxzpkXgUcgwi 7CgPGWdBnwfql6QGyrhQJ9q/icYfNjzOcQFOEinzuhC3ZBAbZGAn+ClDMd23zuirfyJp lw== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 3r30eu2csh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Thu, 08 Jun 2023 04:42:14 -0700 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Thu, 8 Jun 2023 04:42:11 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.48 via Frontend Transport; Thu, 8 Jun 2023 04:42:12 -0700 Received: from #hyd1583.marvell.com (unknown [10.29.37.44]) by maili.marvell.com (Postfix) with ESMTP id 9898B3F703F; Thu, 8 Jun 2023 04:42:09 -0700 (PDT) From: Naveen Mamindlapalli To: , , , , , , CC: Nithin Dabilpuram , Naveen Mamindlapalli Subject: [net PATCH 2/2] octeontx2-af: fix lbk link credits on cn10k Date: Thu, 8 Jun 2023 17:12:01 +0530 Message-ID: <20230608114201.31112-3-naveenm@marvell.com> X-Mailer: git-send-email 2.39.0.198.ga38d39a4c5 In-Reply-To: <20230608114201.31112-1-naveenm@marvell.com> References: <20230608114201.31112-1-naveenm@marvell.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: 6__liSOp03p0dUkP1E4Ix1FcIJpYZZQS X-Proofpoint-GUID: 6__liSOp03p0dUkP1E4Ix1FcIJpYZZQS X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.176.26 definitions=2023-06-08_08,2023-06-08_01,2023-05-22_02 X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: kuba@kernel.org From: Nithin Dabilpuram Fix LBK link credits on CN10K to be same as CN9K i.e 16 * MAX_LBK_DATA_RATE instead of current scheme of calculation based on LBK buf length / FIFO size. Fixes: 6e54e1c5399a ("octeontx2-af: cn10K: Add MTU configuration") Signed-off-by: Nithin Dabilpuram Signed-off-by: Naveen Mamindlapalli Reviewed-by: Sridhar Samudrala --- drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index 967370c0a649..cbb6d7e62d90 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -4067,10 +4067,6 @@ int rvu_mbox_handler_nix_set_rx_cfg(struct rvu *rvu, struct nix_rx_cfg *req, static u64 rvu_get_lbk_link_credits(struct rvu *rvu, u16 lbk_max_frs) { - /* CN10k supports 72KB FIFO size and max packet size of 64k */ - if (rvu->hw->lbk_bufsize == 0x12000) - return (rvu->hw->lbk_bufsize - lbk_max_frs) / 16; - return 1600; /* 16 * max LBK datarate = 16 * 100Gbps */ }