From patchwork Tue Jun 21 03:56:37 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Yisen.Zhuang(Zhuangyuzeng)" X-Patchwork-Id: 638418 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3rYYV46C9yz9sDX for ; Tue, 21 Jun 2016 13:43:24 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754112AbcFUDnW (ORCPT ); Mon, 20 Jun 2016 23:43:22 -0400 Received: from szxga02-in.huawei.com ([119.145.14.65]:43019 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752691AbcFUDiT (ORCPT ); Mon, 20 Jun 2016 23:38:19 -0400 Received: from 172.24.1.60 (EHLO szxeml425-hub.china.huawei.com) ([172.24.1.60]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DJC12122; Tue, 21 Jun 2016 11:38:15 +0800 (CST) Received: from localhost.localdomain (10.67.212.75) by szxeml425-hub.china.huawei.com (10.82.67.180) with Microsoft SMTP Server id 14.3.235.1; Tue, 21 Jun 2016 11:38:04 +0800 From: Yisen Zhuang To: , , , CC: , , , , , , , , , , , , Subject: [PATCH net-next 17/19] net: hns: fix sbm default parameters config error Date: Tue, 21 Jun 2016 11:56:37 +0800 Message-ID: <1466481399-70080-18-git-send-email-Yisen.Zhuang@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1466481399-70080-1-git-send-email-Yisen.Zhuang@huawei.com> References: <1466481399-70080-1-git-send-email-Yisen.Zhuang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090201.5768B6A8.006C, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: f9f99af4bfc47951183190ea90993f2e Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Daode Huang The default sbm config parameter leaves little buffer when there is heavy traffic, which will cause packets drop. This patch changes them to make enough buffers for handling packets. Signed-off-by: Daode Huang Signed-off-by: Yisen Zhuang --- drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c | 40 ++++++++++++++-------- drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h | 16 +++++++-- 2 files changed, 39 insertions(+), 17 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c index 7f5c248..67e8e13 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c @@ -516,10 +516,10 @@ static void hns_dsafv2_sbm_bp_wl_cfg(struct dsaf_device *dsaf_dev) o_sbm_bp_cfg = dsaf_read_dev(dsaf_dev, reg); dsaf_set_field(o_sbm_bp_cfg, DSAFV2_SBM_CFG3_SET_BUF_NUM_NO_PFC_M, - DSAFV2_SBM_CFG3_SET_BUF_NUM_NO_PFC_S, 110); + DSAFV2_SBM_CFG3_SET_BUF_NUM_NO_PFC_S, 48); dsaf_set_field(o_sbm_bp_cfg, DSAFV2_SBM_CFG3_RESET_BUF_NUM_NO_PFC_M, - DSAFV2_SBM_CFG3_RESET_BUF_NUM_NO_PFC_S, 160); + DSAFV2_SBM_CFG3_RESET_BUF_NUM_NO_PFC_S, 80); dsaf_write_dev(dsaf_dev, reg, o_sbm_bp_cfg); /* for no enable pfc mode */ @@ -527,29 +527,39 @@ static void hns_dsafv2_sbm_bp_wl_cfg(struct dsaf_device *dsaf_dev) o_sbm_bp_cfg = dsaf_read_dev(dsaf_dev, reg); dsaf_set_field(o_sbm_bp_cfg, DSAFV2_SBM_CFG4_SET_BUF_NUM_NO_PFC_M, - DSAFV2_SBM_CFG4_SET_BUF_NUM_NO_PFC_S, 128); + DSAFV2_SBM_CFG4_SET_BUF_NUM_NO_PFC_S, 192); dsaf_set_field(o_sbm_bp_cfg, DSAFV2_SBM_CFG4_RESET_BUF_NUM_NO_PFC_M, - DSAFV2_SBM_CFG4_RESET_BUF_NUM_NO_PFC_S, 192); + DSAFV2_SBM_CFG4_RESET_BUF_NUM_NO_PFC_S, 240); dsaf_write_dev(dsaf_dev, reg, o_sbm_bp_cfg); } /* PPE */ - reg = DSAF_SBM_BP_CFG_2_PPE_REG_0_REG + 0x80 * i; - o_sbm_bp_cfg = dsaf_read_dev(dsaf_dev, reg); - dsaf_set_field(o_sbm_bp_cfg, DSAFV2_SBM_CFG2_SET_BUF_NUM_M, - DSAFV2_SBM_CFG2_SET_BUF_NUM_S, 10); - dsaf_set_field(o_sbm_bp_cfg, DSAFV2_SBM_CFG2_RESET_BUF_NUM_M, - DSAFV2_SBM_CFG2_RESET_BUF_NUM_S, 12); - dsaf_write_dev(dsaf_dev, reg, o_sbm_bp_cfg); + for (i = 0; i < DSAFV2_SBM_PPE_CHN; i++) { + reg = DSAF_SBM_BP_CFG_2_PPE_REG_0_REG + 0x80 * i; + o_sbm_bp_cfg = dsaf_read_dev(dsaf_dev, reg); + dsaf_set_field(o_sbm_bp_cfg, + DSAFV2_SBM_CFG2_PPE_SET_BUF_NUM_M, + DSAFV2_SBM_CFG2_PPE_SET_BUF_NUM_S, 2); + dsaf_set_field(o_sbm_bp_cfg, + DSAFV2_SBM_CFG2_PPE_RESET_BUF_NUM_M, + DSAFV2_SBM_CFG2_PPE_RESET_BUF_NUM_S, 3); + dsaf_set_field(o_sbm_bp_cfg, + DSAFV2_SBM_CFG2_PPE_CFG_USEFUL_NUM_M, + DSAFV2_SBM_CFG2_PPE_CFG_USEFUL_NUM_S, 52); + dsaf_write_dev(dsaf_dev, reg, o_sbm_bp_cfg); + } + /* RoCEE */ for (i = 0; i < DASFV2_ROCEE_CRD_NUM; i++) { reg = DSAFV2_SBM_BP_CFG_2_ROCEE_REG_0_REG + 0x80 * i; o_sbm_bp_cfg = dsaf_read_dev(dsaf_dev, reg); - dsaf_set_field(o_sbm_bp_cfg, DSAFV2_SBM_CFG2_SET_BUF_NUM_M, - DSAFV2_SBM_CFG2_SET_BUF_NUM_S, 2); - dsaf_set_field(o_sbm_bp_cfg, DSAFV2_SBM_CFG2_RESET_BUF_NUM_M, - DSAFV2_SBM_CFG2_RESET_BUF_NUM_S, 4); + dsaf_set_field(o_sbm_bp_cfg, + DSAFV2_SBM_CFG2_ROCEE_SET_BUF_NUM_M, + DSAFV2_SBM_CFG2_ROCEE_SET_BUF_NUM_S, 2); + dsaf_set_field(o_sbm_bp_cfg, + DSAFV2_SBM_CFG2_ROCEE_RESET_BUF_NUM_M, + DSAFV2_SBM_CFG2_ROCEE_RESET_BUF_NUM_S, 4); dsaf_write_dev(dsaf_dev, reg, o_sbm_bp_cfg); } } diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h index e35d0cb..235f744 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h @@ -32,7 +32,7 @@ #define DSAFV2_SBM_NUM 8 #define DSAFV2_SBM_XGE_CHN 6 #define DSAFV2_SBM_PPE_CHN 1 -#define DASFV2_ROCEE_CRD_NUM 8 +#define DASFV2_ROCEE_CRD_NUM 1 #define DSAF_VOQ_NUM DSAF_NODE_NUM #define DSAF_INODE_NUM DSAF_NODE_NUM @@ -178,7 +178,7 @@ #define DSAF_SBM_BP_CFG_2_XGE_REG_0_REG 0x200C #define DSAF_SBM_BP_CFG_2_PPE_REG_0_REG 0x230C #define DSAF_SBM_BP_CFG_2_ROCEE_REG_0_REG 0x260C -#define DSAFV2_SBM_BP_CFG_2_ROCEE_REG_0_REG 0x238C +#define DSAFV2_SBM_BP_CFG_2_ROCEE_REG_0_REG 0x238C #define DSAF_SBM_FREE_CNT_0_0_REG 0x2010 #define DSAF_SBM_FREE_CNT_1_0_REG 0x2014 #define DSAF_SBM_BP_CNT_0_0_REG 0x2018 @@ -796,6 +796,18 @@ #define DSAFV2_SBM_CFG4_RESET_BUF_NUM_NO_PFC_S 9 #define DSAFV2_SBM_CFG4_RESET_BUF_NUM_NO_PFC_M (((1ULL << 9) - 1) << 9) +#define DSAFV2_SBM_CFG2_ROCEE_SET_BUF_NUM_S 0 +#define DSAFV2_SBM_CFG2_ROCEE_SET_BUF_NUM_M (((1ULL << 8) - 1) << 0) +#define DSAFV2_SBM_CFG2_ROCEE_RESET_BUF_NUM_S 8 +#define DSAFV2_SBM_CFG2_ROCEE_RESET_BUF_NUM_M (((1ULL << 8) - 1) << 8) + +#define DSAFV2_SBM_CFG2_PPE_SET_BUF_NUM_S (0) +#define DSAFV2_SBM_CFG2_PPE_SET_BUF_NUM_M (((1ULL << 6) - 1) << 0) +#define DSAFV2_SBM_CFG2_PPE_RESET_BUF_NUM_S (6) +#define DSAFV2_SBM_CFG2_PPE_RESET_BUF_NUM_M (((1ULL << 6) - 1) << 6) +#define DSAFV2_SBM_CFG2_PPE_CFG_USEFUL_NUM_S (12) +#define DSAFV2_SBM_CFG2_PPE_CFG_USEFUL_NUM_M (((1ULL << 6) - 1) << 12) + #define DSAF_TBL_TCAM_ADDR_S 0 #define DSAF_TBL_TCAM_ADDR_M ((1ULL << 9) - 1)