From patchwork Thu Oct 15 15:38:46 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matan Barak X-Patchwork-Id: 7407271 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 [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 7092A9F302 for ; Thu, 15 Oct 2015 15:41:57 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7728E207FD for ; Thu, 15 Oct 2015 15:41:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3AD322085C for ; Thu, 15 Oct 2015 15:41:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753624AbbJOPlv (ORCPT ); Thu, 15 Oct 2015 11:41:51 -0400 Received: from [193.47.165.129] ([193.47.165.129]:55718 "EHLO mellanox.co.il" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1753461AbbJOPla (ORCPT ); Thu, 15 Oct 2015 11:41:30 -0400 Received: from Internal Mail-Server by MTLPINE1 (envelope-from matanb@mellanox.com) with ESMTPS (AES256-SHA encrypted); 15 Oct 2015 17:41:02 +0200 Received: from rsws33.mtr.labs.mlnx (dev-r-vrt-064.mtr.labs.mlnx [10.212.64.1]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id t9FFf1Hf004831; Thu, 15 Oct 2015 18:41:01 +0300 From: Matan Barak To: Doug Ledford Cc: linux-rdma@vger.kernel.org, Or Gerlitz , Jason Gunthorpe , Matan Barak , Eran Ben Elisha , Somnath Kotur Subject: [PATCH for-next v2 02/10] IB/core: Expose and rename ib_find_cached_gid_by_port cache API Date: Thu, 15 Oct 2015 18:38:46 +0300 Message-Id: <1444923534-10882-3-git-send-email-matanb@mellanox.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1444923534-10882-1-git-send-email-matanb@mellanox.com> References: <1444923534-10882-1-git-send-email-matanb@mellanox.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=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_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 Sometime consumers might want to search for a GID in a specific port. For example, when a WC arrives and we want to search the GID that matches that port - it's better to search only the relevant port. Exposing and renaming ib_cache_gid_find_by_port in order to match the naming convention of the module. Signed-off-by: Matan Barak --- drivers/infiniband/core/cache.c | 9 +++++---- drivers/infiniband/core/core_priv.h | 5 ----- drivers/infiniband/core/device.c | 4 ++-- include/rdma/ib_cache.h | 19 +++++++++++++++++++ 4 files changed, 26 insertions(+), 11 deletions(-) diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c index 5c05407..639a726 100644 --- a/drivers/infiniband/core/cache.c +++ b/drivers/infiniband/core/cache.c @@ -409,10 +409,10 @@ static int ib_cache_gid_find(struct ib_device *ib_dev, mask, port, index); } -int ib_cache_gid_find_by_port(struct ib_device *ib_dev, - const union ib_gid *gid, - u8 port, struct net_device *ndev, - u16 *index) +int ib_find_cached_gid_by_port(struct ib_device *ib_dev, + const union ib_gid *gid, + u8 port, struct net_device *ndev, + u16 *index) { int local_index; struct ib_gid_table **ports_table = ib_dev->cache.gid_cache; @@ -438,6 +438,7 @@ int ib_cache_gid_find_by_port(struct ib_device *ib_dev, return -ENOENT; } +EXPORT_SYMBOL(ib_find_cached_gid_by_port); static struct ib_gid_table *alloc_gid_table(int sz) { diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h index 70bb36e..0df82b1 100644 --- a/drivers/infiniband/core/core_priv.h +++ b/drivers/infiniband/core/core_priv.h @@ -65,11 +65,6 @@ void ib_enum_all_roce_netdevs(roce_netdev_filter filter, roce_netdev_callback cb, void *cookie); -int ib_cache_gid_find_by_port(struct ib_device *ib_dev, - const union ib_gid *gid, - u8 port, struct net_device *ndev, - u16 *index); - enum ib_cache_gid_default_mode { IB_CACHE_GID_DEFAULT_MODE_SET, IB_CACHE_GID_DEFAULT_MODE_DELETE diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index f22ce48..179e813 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -838,8 +838,8 @@ int ib_find_gid(struct ib_device *device, union ib_gid *gid, for (port = rdma_start_port(device); port <= rdma_end_port(device); ++port) { if (rdma_cap_roce_gid_table(device, port)) { - if (!ib_cache_gid_find_by_port(device, gid, port, - ndev, index)) { + if (!ib_find_cached_gid_by_port(device, gid, port, + ndev, index)) { *port_num = port; return 0; } diff --git a/include/rdma/ib_cache.h b/include/rdma/ib_cache.h index dcc9bed..679d7ca 100644 --- a/include/rdma/ib_cache.h +++ b/include/rdma/ib_cache.h @@ -75,6 +75,25 @@ int ib_find_cached_gid(struct ib_device *device, u16 *index); /** + * ib_find_cached_gid_by_port - Returns the GID table index where a specified + * GID value occurs + * @device: The device to query. + * @gid: The GID value to search for. + * @port_num: The port number of the device where the GID value sould be + * searched. + * @ndev: In RoCE, the net device of the device. Null means ignore. + * @index: The index into the cached GID table where the GID was found. This + * parameter may be NULL. + * + * ib_find_cached_gid() searches for the specified GID value in + * the local software cache. + */ +int ib_find_cached_gid_by_port(struct ib_device *device, + const union ib_gid *gid, + u8 port_num, + struct net_device *ndev, + u16 *index); +/** * ib_get_cached_pkey - Returns a cached PKey table entry * @device: The device to query. * @port_num: The port number of the device to query.