From patchwork Mon Aug 26 09:57:47 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: bgottumukka@emulex.com X-Patchwork-Id: 2849489 Return-Path: X-Original-To: patchwork-linux-rdma@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 8A63E9F2F4 for ; Mon, 26 Aug 2013 09:49:26 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 067F2201FF for ; Mon, 26 Aug 2013 09:49:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CA484201E4 for ; Mon, 26 Aug 2013 09:49:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756478Ab3HZJtX (ORCPT ); Mon, 26 Aug 2013 05:49:23 -0400 Received: from cmexedge2.ext.emulex.com ([138.239.224.100]:4221 "EHLO CMEXEDGE2.ext.emulex.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751880Ab3HZJtW (ORCPT ); Mon, 26 Aug 2013 05:49:22 -0400 Received: from CMEXHTCAS1.ad.emulex.com (138.239.115.217) by CMEXEDGE2.ext.emulex.com (138.239.224.100) with Microsoft SMTP Server (TLS) id 14.3.146.0; Mon, 26 Aug 2013 02:49:25 -0700 Received: from RoCE-SLESS-DUT.site (10.192.238.42) by smtp.emulex.com (138.239.115.207) with Microsoft SMTP Server id 14.3.146.2; Mon, 26 Aug 2013 02:49:17 -0700 From: To: CC: , Naresh Gottumukkala Subject: [PATCH 10/14] RDMA/ocrdma: Fix for displaying proper link speed. Date: Mon, 26 Aug 2013 15:27:47 +0530 X-Mailer: git-send-email 1.8.2.3 In-Reply-To: <1377511071-16967-1-git-send-email-bgottumukka@emulex.com> References: <1377511071-16967-1-git-send-email-bgottumukka@emulex.com> MIME-Version: 1.0 Message-ID: Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Spam-Status: No, score=-9.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Naresh Gottumukkala Fix for displaying proper link speed. Signed-off-by: Naresh Gottumukkala --- drivers/infiniband/hw/ocrdma/ocrdma_hw.c | 28 +++++++++++++++++++ drivers/infiniband/hw/ocrdma/ocrdma_hw.h | 1 + drivers/infiniband/hw/ocrdma/ocrdma_sli.h | 27 ++++++++++++++++++ drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 43 +++++++++++++++++++++++++++-- 4 files changed, 97 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index 3f02755..ea3d723 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -1101,6 +1101,34 @@ mbx_err: return status; } +int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed) +{ + int status = -ENOMEM; + struct ocrdma_get_link_speed_rsp *rsp; + struct ocrdma_mqe *cmd; + + cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_QUERY_NTWK_LINK_CONFIG_V1, + sizeof(*cmd)); + if (!cmd) + return status; + ocrdma_init_mch((struct ocrdma_mbx_hdr *)&cmd->u.cmd[0], + OCRDMA_CMD_QUERY_NTWK_LINK_CONFIG_V1, + OCRDMA_SUBSYS_COMMON, sizeof(*cmd)); + + ((struct ocrdma_mbx_hdr *)cmd->u.cmd)->rsvd_version = 0x1; + + status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); + if (status) + goto mbx_err; + + rsp = (struct ocrdma_get_link_speed_rsp *)cmd; + *lnk_speed = rsp->phys_port_speed; + +mbx_err: + kfree(cmd); + return status; +} + int ocrdma_mbx_alloc_pd(struct ocrdma_dev *dev, struct ocrdma_pd *pd) { int status = -ENOMEM; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h index 044db74..f2a89d4 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h @@ -91,6 +91,7 @@ void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed, bool solicited, u16 cqe_popped); /* verbs specific mailbox commands */ +int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed); int ocrdma_query_config(struct ocrdma_dev *, struct ocrdma_mbx_query_config *config); int ocrdma_resolve_dgid(struct ocrdma_dev *, union ib_gid *dgid, u8 *mac_addr); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h index 35c6108..9e975d8 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h @@ -70,6 +70,7 @@ enum { #define OCRDMA_SUBSYS_COMMON 1 enum { + OCRDMA_CMD_QUERY_NTWK_LINK_CONFIG_V1 = 5, OCRDMA_CMD_CREATE_CQ = 12, OCRDMA_CMD_CREATE_EQ = 13, OCRDMA_CMD_CREATE_MQ = 21, @@ -545,6 +546,32 @@ enum { OCRDMA_FN_MODE_RDMA = 0x4 }; +struct ocrdma_get_link_speed_rsp { + struct ocrdma_mqe_hdr hdr; + struct ocrdma_mbx_rsp rsp; + + u8 pt_port_num; + u8 link_duplex; + u8 phys_port_speed; + u8 phys_port_fault; + u16 rsvd1; + u16 qos_lnk_speed; + u8 logical_lnk_status; + u8 rsvd2[3]; +}; + +enum { + OCRDMA_PHYS_LINK_SPEED_ZERO = 0x0, + OCRDMA_PHYS_LINK_SPEED_10MBPS = 0x1, + OCRDMA_PHYS_LINK_SPEED_100MBPS = 0x2, + OCRDMA_PHYS_LINK_SPEED_1GBPS = 0x3, + OCRDMA_PHYS_LINK_SPEED_10GBPS = 0x4, + OCRDMA_PHYS_LINK_SPEED_20GBPS = 0x5, + OCRDMA_PHYS_LINK_SPEED_25GBPS = 0x6, + OCRDMA_PHYS_LINK_SPEED_40GBPS = 0x7, + OCRDMA_PHYS_LINK_SPEED_100GBPS = 0x8 +}; + enum { OCRDMA_CREATE_CQ_VER2 = 2, OCRDMA_CREATE_CQ_VER3 = 3, diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index e934073..f09a940 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -106,6 +106,45 @@ int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr) return 0; } +static inline void get_link_speed_and_width(struct ocrdma_dev *dev, + u8 *ib_speed, u8 *ib_width) +{ + int status; + u8 speed; + + status = ocrdma_mbx_get_link_speed(dev, &speed); + if (status) + speed = OCRDMA_PHYS_LINK_SPEED_ZERO; + + switch (speed) { + case OCRDMA_PHYS_LINK_SPEED_1GBPS: + *ib_speed = IB_SPEED_SDR; + *ib_width = IB_WIDTH_1X; + break; + + case OCRDMA_PHYS_LINK_SPEED_10GBPS: + *ib_speed = IB_SPEED_QDR; + *ib_width = IB_WIDTH_1X; + break; + + case OCRDMA_PHYS_LINK_SPEED_20GBPS: + *ib_speed = IB_SPEED_DDR; + *ib_width = IB_WIDTH_4X; + break; + + case OCRDMA_PHYS_LINK_SPEED_40GBPS: + *ib_speed = IB_SPEED_QDR; + *ib_width = IB_WIDTH_4X; + break; + + default: + /* Unsupported */ + *ib_speed = IB_SPEED_SDR; + *ib_width = IB_WIDTH_1X; + }; +} + + int ocrdma_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr *props) { @@ -142,8 +181,8 @@ int ocrdma_query_port(struct ib_device *ibdev, props->pkey_tbl_len = 1; props->bad_pkey_cntr = 0; props->qkey_viol_cntr = 0; - props->active_width = IB_WIDTH_1X; - props->active_speed = 4; + get_link_speed_and_width(dev, &props->active_speed, + &props->active_width); props->max_msg_sz = 0x80000000; props->max_vl_num = 4; return 0;