From patchwork Wed Jan 31 10:55:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konstantin Taranov X-Patchwork-Id: 13539194 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 417F86A353; Wed, 31 Jan 2024 10:55:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706698559; cv=none; b=bweNXF22iXTxdROeX9blPwcPVgoiA6lc8l8kiBNclhrlYTbQqYYpWaXeF2bavneiLHIaeR8JHxSRKarHABEYBlbpH4J2DpkFqBFxG+Hd0jI9BxsRobrYoVqe2bVoZuVfqVeyc2zbBP9qtORlozNqg2w/OepLN/XuyTTYXMG8vFs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706698559; c=relaxed/simple; bh=lwkOSAnGEnMRxgE2eYpnXuty91szYnqPYwpQeHF0pik=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=uQJlTUtoLWCf0BKHjR5cdNs7+s64dqAscWIP7paIraP22Fru7WUdWHrO9+yTvNfOfm017LDyiYtIXzX3XvkNgxtRq5KgrClCBgQck7I7j/mYvM/3PGTE0/ZGKkM2njuO1IhX2rPTk6vqB2x6LDcq9z54451lFaTfYxSVcA29Cmw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=GB+vxnbL; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="GB+vxnbL" Received: from linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net (linux.microsoft.com [13.77.154.182]) by linux.microsoft.com (Postfix) with ESMTPSA id DB96C20B2003; Wed, 31 Jan 2024 02:55:57 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com DB96C20B2003 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1706698557; bh=5yXFaEp9vKBshRa+NgGc9Zh0uI+t9u7kQk3cCqXTndQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GB+vxnbLTjT5Cnt7unO+5vs7vkPwsXIQa+KctyE3Mac1SWpuauMpA/7NTrY3DtkI1 sUNbJdGmFonKb7p7PPqw+sfZxDcRQ6RPXJb3hzFqDbDhm8Kutug1KLwv4S48AZS0BU 1rCrPaeAerPUAqgKgZvX1bzGT5bltj7dNZ5gMp04= From: Konstantin Taranov To: kotaranov@microsoft.com, sharmaajay@microsoft.com, longli@microsoft.com, jgg@ziepe.ca, leon@kernel.org Cc: linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH rdma-next v1 3/5] RDMA/mana_ib: Implement port parameters Date: Wed, 31 Jan 2024 02:55:50 -0800 Message-Id: <1706698552-25383-4-git-send-email-kotaranov@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1706698552-25383-1-git-send-email-kotaranov@linux.microsoft.com> References: <1706698552-25383-1-git-send-email-kotaranov@linux.microsoft.com> Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Implement port parameters for RNIC. Only port 1 is RoCEv2 capable. Signed-off-by: Konstantin Taranov --- drivers/infiniband/hw/mana/device.c | 2 ++ drivers/infiniband/hw/mana/main.c | 37 +++++++++++++++++++++++++++++++++++- drivers/infiniband/hw/mana/mana_ib.h | 4 ++++ 3 files changed, 42 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mana/device.c b/drivers/infiniband/hw/mana/device.c index d8e8b10..11b0410 100644 --- a/drivers/infiniband/hw/mana/device.c +++ b/drivers/infiniband/hw/mana/device.c @@ -29,12 +29,14 @@ .destroy_rwq_ind_table = mana_ib_destroy_rwq_ind_table, .destroy_wq = mana_ib_destroy_wq, .disassociate_ucontext = mana_ib_disassociate_ucontext, + .get_link_layer = mana_ib_get_link_layer, .get_port_immutable = mana_ib_get_port_immutable, .mmap = mana_ib_mmap, .modify_qp = mana_ib_modify_qp, .modify_wq = mana_ib_modify_wq, .query_device = mana_ib_query_device, .query_gid = mana_ib_query_gid, + .query_pkey = mana_ib_query_pkey, .query_port = mana_ib_query_port, .reg_user_mr = mana_ib_reg_user_mr, diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c index 33cd69e..3e05a62 100644 --- a/drivers/infiniband/hw/mana/main.c +++ b/drivers/infiniband/hw/mana/main.c @@ -492,7 +492,42 @@ int mana_ib_query_device(struct ib_device *ibdev, struct ib_device_attr *props, int mana_ib_query_port(struct ib_device *ibdev, u32 port, struct ib_port_attr *props) { - /* This version doesn't return port properties */ + struct net_device *ndev = mana_ib_get_netdev(ibdev, port); + + if (!ndev) + return -EINVAL; + + memset(props, 0, sizeof(*props)); + props->max_mtu = IB_MTU_4096; + props->active_mtu = ib_mtu_int_to_enum(ndev->mtu); + + if (netif_carrier_ok(ndev) && netif_running(ndev)) { + props->state = IB_PORT_ACTIVE; + props->phys_state = IB_PORT_PHYS_STATE_LINK_UP; + } else { + props->state = IB_PORT_DOWN; + props->phys_state = IB_PORT_PHYS_STATE_DISABLED; + } + + props->active_width = IB_WIDTH_4X; + props->active_speed = IB_SPEED_EDR; + props->pkey_tbl_len = 1; + if (port == 1) + props->gid_tbl_len = 16; + + return 0; +} + +enum rdma_link_layer mana_ib_get_link_layer(struct ib_device *device, u32 port_num) +{ + return IB_LINK_LAYER_ETHERNET; +} + +int mana_ib_query_pkey(struct ib_device *ibdev, u32 port, u16 index, u16 *pkey) +{ + if (index != 0) + return -EINVAL; + *pkey = IB_DEFAULT_PKEY_FULL; return 0; } diff --git a/drivers/infiniband/hw/mana/mana_ib.h b/drivers/infiniband/hw/mana/mana_ib.h index 96454cf..196f3c8 100644 --- a/drivers/infiniband/hw/mana/mana_ib.h +++ b/drivers/infiniband/hw/mana/mana_ib.h @@ -262,4 +262,8 @@ int mana_ib_query_gid(struct ib_device *ibdev, u32 port, int index, void mana_ib_gd_create_rnic_adapter(struct mana_ib_dev *mdev); void mana_ib_gd_destroy_rnic_adapter(struct mana_ib_dev *mdev); + +int mana_ib_query_pkey(struct ib_device *ibdev, u32 port, u16 index, u16 *pkey); + +enum rdma_link_layer mana_ib_get_link_layer(struct ib_device *device, u32 port_num); #endif