From patchwork Wed Apr 12 06:39:57 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Vishwanathapura, Niranjana" X-Patchwork-Id: 749774 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 3w2vSz6dXgz9sNJ for ; Wed, 12 Apr 2017 16:41:07 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752936AbdDLGlG (ORCPT ); Wed, 12 Apr 2017 02:41:06 -0400 Received: from mga05.intel.com ([192.55.52.43]:48736 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752597AbdDLGkX (ORCPT ); Wed, 12 Apr 2017 02:40:23 -0400 Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga105.fm.intel.com with ESMTP; 11 Apr 2017 23:40:12 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.37,189,1488873600"; d="scan'208";a="1134301207" Received: from knc-06.sc.intel.com ([172.25.55.131]) by fmsmga001.fm.intel.com with ESMTP; 11 Apr 2017 23:40:11 -0700 From: "Vishwanathapura, Niranjana" To: dledford@redhat.com Cc: linux-rdma@vger.kernel.org, netdev@vger.kernel.org, dennis.dalessandro@intel.com, ira.weiny@intel.com, Niranjana Vishwanathapura Subject: [PATCH rdma-next v1 02/12] IB/opa-vnic: RDMA NETDEV interface Date: Tue, 11 Apr 2017 23:39:57 -0700 Message-Id: <1491979207-18686-3-git-send-email-niranjana.vishwanathapura@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1491979207-18686-1-git-send-email-niranjana.vishwanathapura@intel.com> References: <1491979207-18686-1-git-send-email-niranjana.vishwanathapura@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add rdma netdev interface to ib device structure allowing rdma netdev devices to be allocated by ib clients. Reviewed-by: Dennis Dalessandro Reviewed-by: Ira Weiny Signed-off-by: Niranjana Vishwanathapura --- include/rdma/ib_verbs.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 3a8e058..1064459 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -55,6 +55,7 @@ #include #include #include +#include #include #include @@ -1877,6 +1878,24 @@ struct ib_port_immutable { u32 max_mad_size; }; +/* rdma netdev type - specifies protocol type */ +enum rdma_netdev_t { + RDMA_NETDEV_OPA_VNIC +}; + +/** + * struct rdma_netdev - rdma netdev + * For cases where netstack interfacing is required. + */ +struct rdma_netdev { + void *clnt_priv; + struct ib_device *hca; + u8 port_num; + + /* control functions */ + void (*set_id)(struct net_device *netdev, int id); +}; + struct ib_device { char name[IB_DEVICE_NAME_MAX]; @@ -2127,6 +2146,15 @@ struct ib_device { struct ib_rwq_ind_table_init_attr *init_attr, struct ib_udata *udata); int (*destroy_rwq_ind_table)(struct ib_rwq_ind_table *wq_ind_table); + /* rdma netdev operations */ + struct net_device *(*alloc_rdma_netdev)( + struct ib_device *device, + u8 port_num, + enum rdma_netdev_t type, + const char *name, + unsigned char name_assign_type, + void (*setup)(struct net_device *)); + void (*free_rdma_netdev)(struct net_device *netdev); struct module *owner; struct device dev;