From patchwork Thu Jun 3 22:20:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olga Kornievskaia X-Patchwork-Id: 12298231 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 32CCCC47082 for ; Thu, 3 Jun 2021 22:20:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 16F8E61401 for ; Thu, 3 Jun 2021 22:20:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230418AbhFCWWf (ORCPT ); Thu, 3 Jun 2021 18:22:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34648 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230387AbhFCWWe (ORCPT ); Thu, 3 Jun 2021 18:22:34 -0400 Received: from mail-qk1-x735.google.com (mail-qk1-x735.google.com [IPv6:2607:f8b0:4864:20::735]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C2986C06175F for ; Thu, 3 Jun 2021 15:20:49 -0700 (PDT) Received: by mail-qk1-x735.google.com with SMTP id 76so7510336qkn.13 for ; Thu, 03 Jun 2021 15:20:49 -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=1eLaAiQvGuNoMxbAdj78LO7Lm9Pb6c7fvLRSowTJkC0=; b=m4ahZHo9Z4DKINnwtrYDFF4EaTBHjvzcj10g2osgY2tw/ECq9aGtKnfbOdMfL2crx3 7GdBVvL+tI+mn4tDjwaqNgnRk3rzJ5GvmDr6ciwStYaF3ZEyo8/jNJXmjY0aklv7wV8k 0p2OU7fqysx6u7wRSwIp4a/kiAw2L9Ire0AOj/iQw8K49oRn/2scvrciXxxSwUWWMiPb zZu4IuRlyZqdUm0bKLlqsyDzjtAVyUIr1IAoI7jG/V4iwmzdMX2DeottfkykqvKxMcKl XU74uGrrAhYMiBBAJGiU8/afhSpP30qZyyXef8P/1jFzw7toDrX3dZrznpa43uAMAsdP jFTA== 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=1eLaAiQvGuNoMxbAdj78LO7Lm9Pb6c7fvLRSowTJkC0=; b=tV+ufXtpPWFGYBHfDDmpMGQ5a+7v/a80YFtDSX/ZNfxGffWtdkeU6IekH/5eFeyhUm 9bnG+IqNcqHEcjFzrLJCF0gndI/b44WW1ntETPkC4Pg7+rqK+/+VD6C8dIU81MXMVJao yZUyDz7kut1W+M0mtgBPp5Zrchqt1KSzDX99FFU/yRS18MuCv2JMdctU1J5vrpWd7KeK XYCg/Ltv9il98+b3OrUktOa6NSDRiw9K50BftOQgG7GemVKfHcQ1T6YVEaeYgK/Tg8QG mka7toEpEeBer3s15Log4ti3V39RDL+OeJIBHTn03ARLl1nmVeH8tkQBfZiEZR7UzTFM eBXQ== X-Gm-Message-State: AOAM5310Qtdn+TpsFbwLKmbetm+V6ZmCCAIvOyE+CEShm+57m+PhzyqF a8UkyyJBN+NWN/ur43Dh8KbpXGQQTJc= X-Google-Smtp-Source: ABdhPJwkZYOhKhfcwR1cqOwvlM7UrVCiGJWaFbTdE65Q66yE2ofQSn/pHTGl9801Ax9X5hCobYLDdg== X-Received: by 2002:a37:468b:: with SMTP id t133mr1453410qka.189.1622758848976; Thu, 03 Jun 2021 15:20:48 -0700 (PDT) Received: from kolga-mac-1.vpn.netapp.com (nat-216-240-30-23.netapp.com. [216.240.30.23]) by smtp.gmail.com with ESMTPSA id 187sm2870230qkn.43.2021.06.03.15.20.47 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 03 Jun 2021 15:20:48 -0700 (PDT) From: Olga Kornievskaia To: trond.myklebust@hammerspace.com, anna.schumaker@netapp.com Cc: linux-nfs@vger.kernel.org Subject: [PATCH v9 06/13] sunrpc: keep track of the xprt_class in rpc_xprt structure Date: Thu, 3 Jun 2021 18:20:32 -0400 Message-Id: <20210603222039.19182-7-olga.kornievskaia@gmail.com> X-Mailer: git-send-email 2.30.1 (Apple Git-130) In-Reply-To: <20210603222039.19182-1-olga.kornievskaia@gmail.com> References: <20210603222039.19182-1-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 1fbc470ce205..7efc6c0a5455 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 19a49d26b1e4..9c2ffc67c0fd 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 316d04945587..2ad4d0df45fe 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 @@ -2779,6 +2784,7 @@ 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; @@ -2848,6 +2854,7 @@ 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); @@ -2928,6 +2935,7 @@ 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; @@ -3001,6 +3009,7 @@ 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;