From patchwork Tue Apr 28 15:10:01 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Wang X-Patchwork-Id: 6290581 Return-Path: X-Original-To: patchwork-linux-rdma@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 13CA2BEEE1 for ; Tue, 28 Apr 2015 15:20:14 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 81E1220266 for ; Tue, 28 Apr 2015 15:20:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B51CF20259 for ; Tue, 28 Apr 2015 15:20:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965822AbbD1PKc (ORCPT ); Tue, 28 Apr 2015 11:10:32 -0400 Received: from mail-wg0-f50.google.com ([74.125.82.50]:33776 "EHLO mail-wg0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965779AbbD1PKa (ORCPT ); Tue, 28 Apr 2015 11:10:30 -0400 Received: by wgin8 with SMTP id n8so154906098wgi.0 for ; Tue, 28 Apr 2015 08:10:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=zRAwL/TS0mgGsERrXal+nnV2DmDf5CofY3fkrc5Gph8=; b=QQkyjYmfb0Hs64/A7q6h6c/+eLswLbUMs8H/ZLDKDB+XQMB4Zj2FWe02ulUh+RVliQ kS3/CAIh03zh9YO+PnrT5mDSFyBDHZR4rRg/Nmq8FQcK+WtfB9eDJMb5QEyjLjoaKu+h xb4il+iiKXO+P84niImEvGRjnIfuef7Ra5PMTUbMDfYQYK6vrLqCg6LNelz0bVERnjB4 7XeaWbMrzgnFuazyvYH4uC9grwGIeLEd5SJy+793DGjvYUbrN+P1pGN6K+4I0dH+GkLb QGW5ndvKbVv/CKRXsrK93tpWVU27nEx4Y4lZfapfxVxoh7KfOh79yCKDXnB7k80Pj1by cfSw== X-Gm-Message-State: ALoCoQmOi1Zmim8UlC8oc7zBO34+6mUj2A1Kz/CMY1gin3o3NZWXfDGVHwcs/6HS+vfhfQRD1Frn X-Received: by 10.180.76.8 with SMTP id g8mr244178wiw.79.1430233829051; Tue, 28 Apr 2015 08:10:29 -0700 (PDT) Received: from ubuntu.pb.local ([62.217.45.26]) by mx.google.com with ESMTPSA id be3sm16820459wib.21.2015.04.28.08.10.27 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 28 Apr 2015 08:10:28 -0700 (PDT) From: Michael Wang To: Roland Dreier , Sean Hefty , Hal Rosenstock , linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Michael Wang , Steve Wise , Tom Talpey , Jason Gunthorpe , Doug Ledford , Ira Weiny , Tom Tucker , Hoang-Nam Nguyen , Christoph Raisch , Mike Marciniszyn , Eli Cohen , Faisal Latif , Jack Morgenstein , Or Gerlitz , Haggai Eran , Devesh Sharma , Liran Liss , Dave Goodell Subject: [PATCH v7 01/23] IB/Verbs: Implement new callback query_protocol() Date: Tue, 28 Apr 2015 17:10:01 +0200 Message-Id: <1430233823-7075-2-git-send-email-yun.wang@profitbricks.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1430233823-7075-1-git-send-email-yun.wang@profitbricks.com> References: <1430233823-7075-1-git-send-email-yun.wang@profitbricks.com> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY, URIBL_BLACK autolearn=unavailable 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 Add new callback query_protocol() and implement for each HW. Mapping List: node-type link-layer transport protocol nes RNIC ETH IWARP IWARP amso1100 RNIC ETH IWARP IWARP cxgb3 RNIC ETH IWARP IWARP cxgb4 RNIC ETH IWARP IWARP usnic USNIC_UDP ETH USNIC_UDP USNIC_UDP ocrdma IB_CA ETH IB IBOE mlx4 IB_CA IB/ETH IB IB/IBOE mlx5 IB_CA IB IB IB ehca IB_CA IB IB IB ipath IB_CA IB IB IB mthca IB_CA IB IB IB qib IB_CA IB IB IB Cc: Hal Rosenstock Cc: Steve Wise Cc: Tom Talpey Cc: Jason Gunthorpe Cc: Doug Ledford Cc: Ira Weiny Cc: Sean Hefty Signed-off-by: Michael Wang --- drivers/infiniband/core/device.c | 1 + drivers/infiniband/hw/amso1100/c2_provider.c | 7 +++++++ drivers/infiniband/hw/cxgb3/iwch_provider.c | 7 +++++++ drivers/infiniband/hw/cxgb4/provider.c | 7 +++++++ drivers/infiniband/hw/ehca/ehca_hca.c | 6 ++++++ drivers/infiniband/hw/ehca/ehca_iverbs.h | 3 +++ drivers/infiniband/hw/ehca/ehca_main.c | 1 + drivers/infiniband/hw/ipath/ipath_verbs.c | 7 +++++++ drivers/infiniband/hw/mlx4/main.c | 10 ++++++++++ drivers/infiniband/hw/mlx5/main.c | 7 +++++++ drivers/infiniband/hw/mthca/mthca_provider.c | 7 +++++++ drivers/infiniband/hw/nes/nes_verbs.c | 6 ++++++ drivers/infiniband/hw/ocrdma/ocrdma_main.c | 1 + drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 6 ++++++ drivers/infiniband/hw/ocrdma/ocrdma_verbs.h | 3 +++ drivers/infiniband/hw/qib/qib_verbs.c | 7 +++++++ drivers/infiniband/hw/usnic/usnic_ib_main.c | 1 + drivers/infiniband/hw/usnic/usnic_ib_verbs.c | 6 ++++++ drivers/infiniband/hw/usnic/usnic_ib_verbs.h | 2 ++ include/rdma/ib_verbs.h | 9 +++++++++ 20 files changed, 104 insertions(+) diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 18c1ece..b360350 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -76,6 +76,7 @@ static int ib_device_check_mandatory(struct ib_device *device) } mandatory_table[] = { IB_MANDATORY_FUNC(query_device), IB_MANDATORY_FUNC(query_port), + IB_MANDATORY_FUNC(query_protocol), IB_MANDATORY_FUNC(query_pkey), IB_MANDATORY_FUNC(query_gid), IB_MANDATORY_FUNC(alloc_pd), diff --git a/drivers/infiniband/hw/amso1100/c2_provider.c b/drivers/infiniband/hw/amso1100/c2_provider.c index bdf3507..6fe329a 100644 --- a/drivers/infiniband/hw/amso1100/c2_provider.c +++ b/drivers/infiniband/hw/amso1100/c2_provider.c @@ -99,6 +99,12 @@ static int c2_query_port(struct ib_device *ibdev, return 0; } +static enum rdma_protocol_type +c2_query_protocol(struct ib_device *device, u8 port_num) +{ + return RDMA_PROTOCOL_IWARP; +} + static int c2_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 * pkey) { @@ -801,6 +807,7 @@ int c2_register_device(struct c2_dev *dev) dev->ibdev.dma_device = &dev->pcidev->dev; dev->ibdev.query_device = c2_query_device; dev->ibdev.query_port = c2_query_port; + dev->ibdev.query_protocol = c2_query_protocol; dev->ibdev.query_pkey = c2_query_pkey; dev->ibdev.query_gid = c2_query_gid; dev->ibdev.alloc_ucontext = c2_alloc_ucontext; diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index 811b24a..298d1ca 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -1232,6 +1232,12 @@ static int iwch_query_port(struct ib_device *ibdev, return 0; } +static enum rdma_protocol_type +iwch_query_protocol(struct ib_device *device, u8 port_num) +{ + return RDMA_PROTOCOL_IWARP; +} + static ssize_t show_rev(struct device *dev, struct device_attribute *attr, char *buf) { @@ -1385,6 +1391,7 @@ int iwch_register_device(struct iwch_dev *dev) dev->ibdev.dma_device = &(dev->rdev.rnic_info.pdev->dev); dev->ibdev.query_device = iwch_query_device; dev->ibdev.query_port = iwch_query_port; + dev->ibdev.query_protocol = iwch_query_protocol; dev->ibdev.query_pkey = iwch_query_pkey; dev->ibdev.query_gid = iwch_query_gid; dev->ibdev.alloc_ucontext = iwch_alloc_ucontext; diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c index 66bd6a2..f52ee63 100644 --- a/drivers/infiniband/hw/cxgb4/provider.c +++ b/drivers/infiniband/hw/cxgb4/provider.c @@ -390,6 +390,12 @@ static int c4iw_query_port(struct ib_device *ibdev, u8 port, return 0; } +static enum rdma_protocol_type +c4iw_query_protocol(struct ib_device *device, u8 port_num) +{ + return RDMA_PROTOCOL_IWARP; +} + static ssize_t show_rev(struct device *dev, struct device_attribute *attr, char *buf) { @@ -506,6 +512,7 @@ int c4iw_register_device(struct c4iw_dev *dev) dev->ibdev.dma_device = &(dev->rdev.lldi.pdev->dev); dev->ibdev.query_device = c4iw_query_device; dev->ibdev.query_port = c4iw_query_port; + dev->ibdev.query_protocol = c4iw_query_protocol; dev->ibdev.query_pkey = c4iw_query_pkey; dev->ibdev.query_gid = c4iw_query_gid; dev->ibdev.alloc_ucontext = c4iw_alloc_ucontext; diff --git a/drivers/infiniband/hw/ehca/ehca_hca.c b/drivers/infiniband/hw/ehca/ehca_hca.c index 9ed4d25..1f4dc9c 100644 --- a/drivers/infiniband/hw/ehca/ehca_hca.c +++ b/drivers/infiniband/hw/ehca/ehca_hca.c @@ -242,6 +242,12 @@ query_port1: return ret; } +enum rdma_protocol_type +ehca_query_protocol(struct ib_device *device, u8 port_num) +{ + return RDMA_PROTOCOL_IB; +} + int ehca_query_sma_attr(struct ehca_shca *shca, u8 port, struct ehca_sma_attr *attr) { diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/infiniband/hw/ehca/ehca_iverbs.h index 22f79af..077185b 100644 --- a/drivers/infiniband/hw/ehca/ehca_iverbs.h +++ b/drivers/infiniband/hw/ehca/ehca_iverbs.h @@ -49,6 +49,9 @@ int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props); int ehca_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr *props); +enum rdma_protocol_type +ehca_query_protocol(struct ib_device *device, u8 port_num); + int ehca_query_sma_attr(struct ehca_shca *shca, u8 port, struct ehca_sma_attr *attr); diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c index cd8d290..321545b 100644 --- a/drivers/infiniband/hw/ehca/ehca_main.c +++ b/drivers/infiniband/hw/ehca/ehca_main.c @@ -467,6 +467,7 @@ static int ehca_init_device(struct ehca_shca *shca) shca->ib_device.dma_device = &shca->ofdev->dev; shca->ib_device.query_device = ehca_query_device; shca->ib_device.query_port = ehca_query_port; + shca->ib_device.query_protocol = ehca_query_protocol; shca->ib_device.query_gid = ehca_query_gid; shca->ib_device.query_pkey = ehca_query_pkey; /* shca->in_device.modify_device = ehca_modify_device */ diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c index 44ea939..34b94c3a 100644 --- a/drivers/infiniband/hw/ipath/ipath_verbs.c +++ b/drivers/infiniband/hw/ipath/ipath_verbs.c @@ -1638,6 +1638,12 @@ static int ipath_query_port(struct ib_device *ibdev, return 0; } +static enum rdma_protocol_type +ipath_query_protocol(struct ib_device *device, u8 port_num) +{ + return RDMA_PROTOCOL_IB; +} + static int ipath_modify_device(struct ib_device *device, int device_modify_mask, struct ib_device_modify *device_modify) @@ -2140,6 +2146,7 @@ int ipath_register_ib_device(struct ipath_devdata *dd) dev->query_device = ipath_query_device; dev->modify_device = ipath_modify_device; dev->query_port = ipath_query_port; + dev->query_protocol = ipath_query_protocol; dev->modify_port = ipath_modify_port; dev->query_pkey = ipath_query_pkey; dev->query_gid = ipath_query_gid; diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 57070c5..26678d2 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -420,6 +420,15 @@ static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port, return __mlx4_ib_query_port(ibdev, port, props, 0); } +static enum rdma_protocol_type +mlx4_ib_query_protocol(struct ib_device *device, u8 port_num) +{ + struct mlx4_dev *dev = to_mdev(device)->dev; + + return dev->caps.port_mask[port_num] == MLX4_PORT_TYPE_IB ? + RDMA_PROTOCOL_IB : RDMA_PROTOCOL_IBOE; +} + int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, union ib_gid *gid, int netw_view) { @@ -2202,6 +2211,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) ibdev->ib_dev.query_device = mlx4_ib_query_device; ibdev->ib_dev.query_port = mlx4_ib_query_port; + ibdev->ib_dev.query_protocol = mlx4_ib_query_protocol; ibdev->ib_dev.get_link_layer = mlx4_ib_port_link_layer; ibdev->ib_dev.query_gid = mlx4_ib_query_gid; ibdev->ib_dev.query_pkey = mlx4_ib_query_pkey; diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 57c9809..8dec380 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -262,6 +262,12 @@ out: return err; } +static enum rdma_protocol_type +mlx5_ib_query_protocol(struct ib_device *device, u8 port_num) +{ + return RDMA_PROTOCOL_IB; +} + static int mlx5_ib_query_gid(struct ib_device *ibdev, u8 port, int index, union ib_gid *gid) { @@ -1244,6 +1250,7 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev) dev->ib_dev.query_device = mlx5_ib_query_device; dev->ib_dev.query_port = mlx5_ib_query_port; + dev->ib_dev.query_protocol = mlx5_ib_query_protocol; dev->ib_dev.query_gid = mlx5_ib_query_gid; dev->ib_dev.query_pkey = mlx5_ib_query_pkey; dev->ib_dev.modify_device = mlx5_ib_modify_device; diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index 415f8e1..ad1cca3 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -179,6 +179,12 @@ static int mthca_query_port(struct ib_device *ibdev, return err; } +static enum rdma_protocol_type +mthca_query_protocol(struct ib_device *device, u8 port_num) +{ + return RDMA_PROTOCOL_IB; +} + static int mthca_modify_device(struct ib_device *ibdev, int mask, struct ib_device_modify *props) @@ -1281,6 +1287,7 @@ int mthca_register_device(struct mthca_dev *dev) dev->ib_dev.dma_device = &dev->pdev->dev; dev->ib_dev.query_device = mthca_query_device; dev->ib_dev.query_port = mthca_query_port; + dev->ib_dev.query_protocol = mthca_query_protocol; dev->ib_dev.modify_device = mthca_modify_device; dev->ib_dev.modify_port = mthca_modify_port; dev->ib_dev.query_pkey = mthca_query_pkey; diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index c0d0296..027f6d1 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -606,6 +606,11 @@ static int nes_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr return 0; } +static enum rdma_protocol_type +nes_query_protocol(struct ib_device *device, u8 port_num) +{ + return RDMA_PROTOCOL_IWARP; +} /** * nes_query_pkey @@ -3879,6 +3884,7 @@ struct nes_ib_device *nes_init_ofa_device(struct net_device *netdev) nesibdev->ibdev.dev.parent = &nesdev->pcidev->dev; nesibdev->ibdev.query_device = nes_query_device; nesibdev->ibdev.query_port = nes_query_port; + nesibdev->ibdev.query_protocol = nes_query_protocol; nesibdev->ibdev.query_pkey = nes_query_pkey; nesibdev->ibdev.query_gid = nes_query_gid; nesibdev->ibdev.alloc_ucontext = nes_alloc_ucontext; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c index 7a2b59a..85d99e9 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c @@ -244,6 +244,7 @@ static int ocrdma_register_device(struct ocrdma_dev *dev) /* mandatory verbs. */ dev->ibdev.query_device = ocrdma_query_device; dev->ibdev.query_port = ocrdma_query_port; + dev->ibdev.query_protocol = ocrdma_query_protocol; dev->ibdev.modify_port = ocrdma_modify_port; dev->ibdev.query_gid = ocrdma_query_gid; dev->ibdev.get_link_layer = ocrdma_link_layer; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index 8771755..3e98360 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -187,6 +187,12 @@ int ocrdma_query_port(struct ib_device *ibdev, return 0; } +enum rdma_protocol_type +ocrdma_query_protocol(struct ib_device *device, u8 port_num) +{ + return RDMA_PROTOCOL_IBOE; +} + int ocrdma_modify_port(struct ib_device *ibdev, u8 port, int mask, struct ib_port_modify *props) { diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h index b8f7853..3cdc81e 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h @@ -41,6 +41,9 @@ int ocrdma_query_port(struct ib_device *, u8 port, struct ib_port_attr *props); int ocrdma_modify_port(struct ib_device *, u8 port, int mask, struct ib_port_modify *props); +enum rdma_protocol_type +ocrdma_query_protocol(struct ib_device *device, u8 port_num); + void ocrdma_get_guid(struct ocrdma_dev *, u8 *guid); int ocrdma_query_gid(struct ib_device *, u8 port, int index, union ib_gid *gid); diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c index 4a35998..9fd4b28 100644 --- a/drivers/infiniband/hw/qib/qib_verbs.c +++ b/drivers/infiniband/hw/qib/qib_verbs.c @@ -1650,6 +1650,12 @@ static int qib_query_port(struct ib_device *ibdev, u8 port, return 0; } +static enum rdma_protocol_type +qib_query_protocol(struct ib_device *device, u8 port_num) +{ + return RDMA_PROTOCOL_IB; +} + static int qib_modify_device(struct ib_device *device, int device_modify_mask, struct ib_device_modify *device_modify) @@ -2184,6 +2190,7 @@ int qib_register_ib_device(struct qib_devdata *dd) ibdev->query_device = qib_query_device; ibdev->modify_device = qib_modify_device; ibdev->query_port = qib_query_port; + ibdev->query_protocol = qib_query_protocol; ibdev->modify_port = qib_modify_port; ibdev->query_pkey = qib_query_pkey; ibdev->query_gid = qib_query_gid; diff --git a/drivers/infiniband/hw/usnic/usnic_ib_main.c b/drivers/infiniband/hw/usnic/usnic_ib_main.c index 0d0f986..bd9f364 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_main.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_main.c @@ -360,6 +360,7 @@ static void *usnic_ib_device_add(struct pci_dev *dev) us_ibdev->ib_dev.query_device = usnic_ib_query_device; us_ibdev->ib_dev.query_port = usnic_ib_query_port; + us_ibdev->ib_dev.query_protocol = usnic_ib_query_protocol; us_ibdev->ib_dev.query_pkey = usnic_ib_query_pkey; us_ibdev->ib_dev.query_gid = usnic_ib_query_gid; us_ibdev->ib_dev.get_link_layer = usnic_ib_port_link_layer; diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c index 53bd6a2..732b5c5 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c @@ -348,6 +348,12 @@ int usnic_ib_query_port(struct ib_device *ibdev, u8 port, return 0; } +enum rdma_protocol_type +usnic_ib_query_protocol(struct ib_device *device, u8 port_num) +{ + return RDMA_PROTOCOL_USNIC_UDP; +} + int usnic_ib_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr, int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr) diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.h b/drivers/infiniband/hw/usnic/usnic_ib_verbs.h index bb864f5..57ddba5 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.h +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.h @@ -27,6 +27,8 @@ int usnic_ib_query_device(struct ib_device *ibdev, struct ib_device_attr *props); int usnic_ib_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr *props); +enum rdma_protocol_type +usnic_ib_query_protocol(struct ib_device *device, u8 port_num); int usnic_ib_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr, int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr); diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 65994a1..080f204 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -81,6 +81,13 @@ enum rdma_transport_type { RDMA_TRANSPORT_USNIC_UDP }; +enum rdma_protocol_type { + RDMA_PROTOCOL_IB, + RDMA_PROTOCOL_IBOE, + RDMA_PROTOCOL_IWARP, + RDMA_PROTOCOL_USNIC_UDP +}; + __attribute_const__ enum rdma_transport_type rdma_node_get_transport(enum rdma_node_type node_type); @@ -1501,6 +1508,8 @@ struct ib_device { int (*query_port)(struct ib_device *device, u8 port_num, struct ib_port_attr *port_attr); + enum rdma_protocol_type (*query_protocol)(struct ib_device *device, + u8 port_num); enum rdma_link_layer (*get_link_layer)(struct ib_device *device, u8 port_num); int (*query_gid)(struct ib_device *device,