From patchwork Thu Jun 14 15:04:50 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Aur=C3=A9lien_Aptel?= X-Patchwork-Id: 10464607 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 44D81603B4 for ; Thu, 14 Jun 2018 15:05:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3493A28B11 for ; Thu, 14 Jun 2018 15:05:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 28EF728B76; Thu, 14 Jun 2018 15:05:09 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id ED2F728B11 for ; Thu, 14 Jun 2018 15:05:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755295AbeFNPFG (ORCPT ); Thu, 14 Jun 2018 11:05:06 -0400 Received: from mx2.suse.de ([195.135.220.15]:34729 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755158AbeFNPFC (ORCPT ); Thu, 14 Jun 2018 11:05:02 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext-too.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 7BE3CACA4; Thu, 14 Jun 2018 15:05:01 +0000 (UTC) From: Aurelien Aptel To: linux-cifs@vger.kernel.org Cc: smfrench@gmail.com, Aurelien Aptel Subject: [PATCH v2 3/5] CIFS: add iface info to struct cifs_ses Date: Thu, 14 Jun 2018 17:04:50 +0200 Message-Id: <20180614150452.22196-4-aaptel@suse.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20180614150452.22196-1-aaptel@suse.com> References: <20180614150452.22196-1-aaptel@suse.com> Sender: linux-cifs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Aurelien Aptel --- fs/cifs/cifsglob.h | 21 +++++++++++++++++++++ fs/cifs/misc.c | 2 ++ 2 files changed, 23 insertions(+) diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index ff280447dae5..9dd5f1a3d64b 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -841,6 +841,13 @@ static inline void cifs_set_net_ns(struct TCP_Server_Info *srv, struct net *net) #endif +struct cifs_server_iface { + size_t speed; + unsigned int rdma_capable : 1; + unsigned int rss_capable : 1; + struct sockaddr_storage sockaddr; +}; + /* * Session structure. One of these for each uid session with a particular host */ @@ -878,6 +885,20 @@ struct cifs_ses { #ifdef CONFIG_CIFS_SMB311 __u8 preauth_sha_hash[SMB2_PREAUTH_HASH_SIZE]; #endif /* 3.1.1 */ + + /* + * Network interfaces available on the server this session is + * connected to. + * + * Other channels can be opened by connecting and binding this + * session to interfaces from this list. + * + * iface_lock should be taken when accessing any of these fields + */ + spinlock_t iface_lock; + struct cifs_server_iface *iface_list; + size_t iface_count; + unsigned long iface_last_update; /* jiffies */ }; static inline bool diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index bb40f3c050f6..53e8362cbc4a 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -82,6 +82,7 @@ sesInfoAlloc(void) INIT_LIST_HEAD(&ret_buf->smb_ses_list); INIT_LIST_HEAD(&ret_buf->tcon_list); mutex_init(&ret_buf->session_mutex); + spin_lock_init(&ret_buf->iface_lock); } return ret_buf; } @@ -102,6 +103,7 @@ sesInfoFree(struct cifs_ses *buf_to_free) kfree(buf_to_free->user_name); kfree(buf_to_free->domainName); kzfree(buf_to_free->auth_key.response); + kfree(buf_to_free->iface_list); kzfree(buf_to_free); }