From patchwork Fri May 14 14:13:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olga Kornievskaia X-Patchwork-Id: 12257855 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2EF4FC43460 for ; Fri, 14 May 2021 14:13:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0EB5A61404 for ; Fri, 14 May 2021 14:13:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232946AbhENOOr (ORCPT ); Fri, 14 May 2021 10:14:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48976 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233015AbhENOOo (ORCPT ); Fri, 14 May 2021 10:14:44 -0400 Received: from mail-io1-xd35.google.com (mail-io1-xd35.google.com [IPv6:2607:f8b0:4864:20::d35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B48E9C061756 for ; Fri, 14 May 2021 07:13:32 -0700 (PDT) Received: by mail-io1-xd35.google.com with SMTP id t11so2928123iol.9 for ; Fri, 14 May 2021 07:13:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=48ER+3CuPa73K29MvllAxYxB++l3k+kP8jwOXOjdExw=; b=Ktf35nPd8MzphtRecGTeFsj+4GqaJOtd014XidOtS0i7Q3a5xE+h3/nKPERytoNb6k DjpNCrxDDZc1Abe5jf48I0YHE5Byi6FFDFk7SzpUygSL+g/7Bm4yZQjsvjH/lA+oV6zD QnyDVORW+PI/2jotSf7KSpt+rn3S/jUawRAYPFSz+6D9RnetZeVZ0TZAWNjc9nJoFWJQ YXZLN0XI2vvW05QCb1/eZHvq/ugajsTe9nDaq84fIDSTDqdbBEgp0GtciH20/5EWGqBW CMcRHv6LpsQ18rjdv1WAfT4nCQpsAvUJ/DLGZscYQNURU9k1WrDZTkixbEbCob+IsOMh Sj9g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=48ER+3CuPa73K29MvllAxYxB++l3k+kP8jwOXOjdExw=; b=jK3EJ86bj8AQk8RSKw22uPONUtR5nJLExmPZ2NfCwBKJSF2J+rjdhkFGJUIRJtqPYa +ggr7wW2bTaA9hGaQvQ5vxpRVuuSL2n4NQXECqXzQV3dDE5R3j96lJEPH6eRTadd/gkP zrpfW/8/brAympjjigldpiZjSkiqFRaXYpLH342ooYKk5Mi04O1FvdAbMPbsDARz4jmj fFt4BxA5LBvTRdz2YQPZ3IbPv4QKs2V8BDzzA4eb8tHfzZowsSzAATf76sBBsTZCZTCn hGy8v65RKWYmtrZLjUCMDbJOnqzI4urjTupJdLbotIzApWrSdAax9P2cE2N1I0cZK8a1 brCA== X-Gm-Message-State: AOAM530GiVI3nWCFqVDAwmlEGYzH2cjnMPtcCJn21K0TrJ8g3PlCOxOg PPZxGFMk9bp9VkWNR2vbJaU= X-Google-Smtp-Source: ABdhPJxRmqTGqDKa0jrpaJiu9L0LXyXuEgTPJE05RVFSfoA72tQuRtQ2US8ApI7TMNA1uAYVuNdPIg== X-Received: by 2002:a5d:88cf:: with SMTP id i15mr35009946iol.45.1621001612208; Fri, 14 May 2021 07:13:32 -0700 (PDT) Received: from kolga-mac-1.attlocal.net ([2600:1700:6a10:2e90:a4f7:32c8:9c05:11a7]) by smtp.gmail.com with ESMTPSA id b189sm2639263iof.48.2021.05.14.07.13.31 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 14 May 2021 07:13:31 -0700 (PDT) From: Olga Kornievskaia To: trond.myklebust@hammerspace.com, anna.schumaker@netapp.com Cc: linux-nfs@vger.kernel.org Subject: [PATCH v7 06/12] sunrpc: keep track of the xprt_class in rpc_xprt structure Date: Fri, 14 May 2021 10:13:17 -0400 Message-Id: <20210514141323.67922-7-olga.kornievskaia@gmail.com> X-Mailer: git-send-email 2.30.1 (Apple Git-130) In-Reply-To: <20210514141323.67922-1-olga.kornievskaia@gmail.com> References: <20210514141323.67922-1-olga.kornievskaia@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org From: Olga Kornievskaia We need to keep track of the type for a given transport. Signed-off-by: Olga Kornievskaia --- include/linux/sunrpc/xprt.h | 2 ++ net/sunrpc/xprtrdma/transport.c | 2 ++ net/sunrpc/xprtsock.c | 9 +++++++++ 3 files changed, 13 insertions(+) diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index 82294d06075c..a2edcc42e6c4 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -53,6 +53,7 @@ enum rpc_display_format_t { struct rpc_task; struct rpc_xprt; +struct xprt_class; struct seq_file; struct svc_serv; struct net; @@ -289,6 +290,7 @@ struct rpc_xprt { atomic_t inject_disconnect; #endif struct rcu_head rcu; + const struct xprt_class *xprt_class; }; #if defined(CONFIG_SUNRPC_BACKCHANNEL) diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index 09953597d055..71500eb89bff 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -73,6 +73,7 @@ unsigned int xprt_rdma_max_inline_read = RPCRDMA_DEF_INLINE; unsigned int xprt_rdma_max_inline_write = RPCRDMA_DEF_INLINE; unsigned int xprt_rdma_memreg_strategy = RPCRDMA_FRWR; int xprt_rdma_pad_optimize; +static struct xprt_class xprt_rdma; #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) @@ -349,6 +350,7 @@ xprt_setup_rdma(struct xprt_create *args) /* Ensure xprt->addr holds valid server TCP (not RDMA) * address, for any side protocols which peek at it */ xprt->prot = IPPROTO_TCP; + xprt->xprt_class = &xprt_rdma; xprt->addrlen = args->addrlen; memcpy(&xprt->addr, sap, xprt->addrlen); diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 47aa47a2b07c..f02a61bc0d95 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -91,6 +91,11 @@ static unsigned int xprt_max_resvport_limit = RPC_MAX_RESVPORT; static struct ctl_table_header *sunrpc_table_header; +static struct xprt_class xs_local_transport; +static struct xprt_class xs_udp_transport; +static struct xprt_class xs_tcp_transport; +static struct xprt_class xs_bc_tcp_transport; + /* * FIXME: changing the UDP slot table size should also resize the UDP * socket buffers for existing UDP transports @@ -2777,6 +2782,7 @@ static struct rpc_xprt *xs_setup_local(struct xprt_create *args) transport = container_of(xprt, struct sock_xprt, xprt); xprt->prot = 0; + xprt->xprt_class = &xs_local_transport; xprt->max_payload = RPC_MAX_FRAGMENT_SIZE; xprt->bind_timeout = XS_BIND_TO; @@ -2846,6 +2852,7 @@ static struct rpc_xprt *xs_setup_udp(struct xprt_create *args) transport = container_of(xprt, struct sock_xprt, xprt); xprt->prot = IPPROTO_UDP; + xprt->xprt_class = &xs_udp_transport; /* XXX: header size can vary due to auth type, IPv6, etc. */ xprt->max_payload = (1U << 16) - (MAX_HEADER << 3); @@ -2926,6 +2933,7 @@ static struct rpc_xprt *xs_setup_tcp(struct xprt_create *args) transport = container_of(xprt, struct sock_xprt, xprt); xprt->prot = IPPROTO_TCP; + xprt->xprt_class = &xs_tcp_transport; xprt->max_payload = RPC_MAX_FRAGMENT_SIZE; xprt->bind_timeout = XS_BIND_TO; @@ -2999,6 +3007,7 @@ static struct rpc_xprt *xs_setup_bc_tcp(struct xprt_create *args) transport = container_of(xprt, struct sock_xprt, xprt); xprt->prot = IPPROTO_TCP; + xprt->xprt_class = &xs_bc_tcp_transport; xprt->max_payload = RPC_MAX_FRAGMENT_SIZE; xprt->timeout = &xs_tcp_default_timeout;