From patchwork Mon Jun 8 18:49:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Howells X-Patchwork-Id: 1305351 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=KnKwTrzB; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49gj3z2XLNz9sSd for ; Tue, 9 Jun 2020 04:50:07 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726100AbgFHSuG (ORCPT ); Mon, 8 Jun 2020 14:50:06 -0400 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:44240 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726024AbgFHSuD (ORCPT ); Mon, 8 Jun 2020 14:50:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1591642201; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dkjrEf8Yt71FwL283bqD2ueNl/sna0+6OZ0XINyDznM=; b=KnKwTrzBVbCFqncoQZb08bH26m7EkfwjyW6gbNcvF9fx3fgDn+eMfI/uo9ZFhc0429pIZ3 reEBQ43mS3RurWpudie5F4o8pDe3/gWBhn161XE3HdekIqhbrCGCoIqB8BGiOvSzY6qRJa bgrbJJY/+zBD75AO+06uYCSiGSoOEhU= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-26-N6U05wR3N72vA-qL8DLqdA-1; Mon, 08 Jun 2020 14:49:57 -0400 X-MC-Unique: N6U05wR3N72vA-qL8DLqdA-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 3D26018A8225; Mon, 8 Jun 2020 18:49:56 +0000 (UTC) Received: from warthog.procyon.org.uk (ovpn-114-66.rdu2.redhat.com [10.10.114.66]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3570A10013D4; Mon, 8 Jun 2020 18:49:55 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 Subject: [PATCH net 1/2] rxrpc: Move the call completion handling out of line From: David Howells To: netdev@vger.kernel.org Cc: Marc Dionne , dhowells@redhat.com, linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org Date: Mon, 08 Jun 2020 19:49:54 +0100 Message-ID: <159164219444.2758133.4300247600455553049.stgit@warthog.procyon.org.uk> In-Reply-To: <159164218727.2758133.1046957228494479308.stgit@warthog.procyon.org.uk> References: <159164218727.2758133.1046957228494479308.stgit@warthog.procyon.org.uk> User-Agent: StGit/0.22 MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Move the handling of call completion out of line so that the next patch can add more code in that area. Signed-off-by: David Howells Reviewed-by: Marc Dionne --- net/rxrpc/ar-internal.h | 119 ++++++++++------------------------------------- net/rxrpc/recvmsg.c | 74 +++++++++++++++++++++++++++++ net/rxrpc/sendmsg.c | 8 ++- 3 files changed, 103 insertions(+), 98 deletions(-) diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index 9fe264bec70c..9a2139ebd67d 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -809,100 +809,6 @@ static inline bool rxrpc_is_client_call(const struct rxrpc_call *call) return !rxrpc_is_service_call(call); } -/* - * Transition a call to the complete state. - */ -static inline bool __rxrpc_set_call_completion(struct rxrpc_call *call, - enum rxrpc_call_completion compl, - u32 abort_code, - int error) -{ - if (call->state < RXRPC_CALL_COMPLETE) { - call->abort_code = abort_code; - call->error = error; - call->completion = compl, - call->state = RXRPC_CALL_COMPLETE; - trace_rxrpc_call_complete(call); - wake_up(&call->waitq); - return true; - } - return false; -} - -static inline bool rxrpc_set_call_completion(struct rxrpc_call *call, - enum rxrpc_call_completion compl, - u32 abort_code, - int error) -{ - bool ret; - - write_lock_bh(&call->state_lock); - ret = __rxrpc_set_call_completion(call, compl, abort_code, error); - write_unlock_bh(&call->state_lock); - return ret; -} - -/* - * Record that a call successfully completed. - */ -static inline bool __rxrpc_call_completed(struct rxrpc_call *call) -{ - return __rxrpc_set_call_completion(call, RXRPC_CALL_SUCCEEDED, 0, 0); -} - -static inline bool rxrpc_call_completed(struct rxrpc_call *call) -{ - bool ret; - - write_lock_bh(&call->state_lock); - ret = __rxrpc_call_completed(call); - write_unlock_bh(&call->state_lock); - return ret; -} - -/* - * Record that a call is locally aborted. - */ -static inline bool __rxrpc_abort_call(const char *why, struct rxrpc_call *call, - rxrpc_seq_t seq, - u32 abort_code, int error) -{ - trace_rxrpc_abort(call->debug_id, why, call->cid, call->call_id, seq, - abort_code, error); - return __rxrpc_set_call_completion(call, RXRPC_CALL_LOCALLY_ABORTED, - abort_code, error); -} - -static inline bool rxrpc_abort_call(const char *why, struct rxrpc_call *call, - rxrpc_seq_t seq, u32 abort_code, int error) -{ - bool ret; - - write_lock_bh(&call->state_lock); - ret = __rxrpc_abort_call(why, call, seq, abort_code, error); - write_unlock_bh(&call->state_lock); - return ret; -} - -/* - * Abort a call due to a protocol error. - */ -static inline bool __rxrpc_abort_eproto(struct rxrpc_call *call, - struct sk_buff *skb, - const char *eproto_why, - const char *why, - u32 abort_code) -{ - struct rxrpc_skb_priv *sp = rxrpc_skb(skb); - - trace_rxrpc_rx_eproto(call, sp->hdr.serial, eproto_why); - return rxrpc_abort_call(why, call, sp->hdr.seq, abort_code, -EPROTO); -} - -#define rxrpc_abort_eproto(call, skb, eproto_why, abort_why, abort_code) \ - __rxrpc_abort_eproto((call), (skb), tracepoint_string(eproto_why), \ - (abort_why), (abort_code)) - /* * conn_client.c */ @@ -1101,8 +1007,33 @@ extern const struct seq_operations rxrpc_peer_seq_ops; * recvmsg.c */ void rxrpc_notify_socket(struct rxrpc_call *); +bool __rxrpc_set_call_completion(struct rxrpc_call *, enum rxrpc_call_completion, u32, int); +bool rxrpc_set_call_completion(struct rxrpc_call *, enum rxrpc_call_completion, u32, int); +bool __rxrpc_call_completed(struct rxrpc_call *); +bool rxrpc_call_completed(struct rxrpc_call *); +bool __rxrpc_abort_call(const char *, struct rxrpc_call *, rxrpc_seq_t, u32, int); +bool rxrpc_abort_call(const char *, struct rxrpc_call *, rxrpc_seq_t, u32, int); int rxrpc_recvmsg(struct socket *, struct msghdr *, size_t, int); +/* + * Abort a call due to a protocol error. + */ +static inline bool __rxrpc_abort_eproto(struct rxrpc_call *call, + struct sk_buff *skb, + const char *eproto_why, + const char *why, + u32 abort_code) +{ + struct rxrpc_skb_priv *sp = rxrpc_skb(skb); + + trace_rxrpc_rx_eproto(call, sp->hdr.serial, eproto_why); + return rxrpc_abort_call(why, call, sp->hdr.seq, abort_code, -EPROTO); +} + +#define rxrpc_abort_eproto(call, skb, eproto_why, abort_why, abort_code) \ + __rxrpc_abort_eproto((call), (skb), tracepoint_string(eproto_why), \ + (abort_why), (abort_code)) + /* * rtt.c */ diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c index 8578c39ec839..6c4ba4224ddc 100644 --- a/net/rxrpc/recvmsg.c +++ b/net/rxrpc/recvmsg.c @@ -58,6 +58,80 @@ void rxrpc_notify_socket(struct rxrpc_call *call) _leave(""); } +/* + * Transition a call to the complete state. + */ +bool __rxrpc_set_call_completion(struct rxrpc_call *call, + enum rxrpc_call_completion compl, + u32 abort_code, + int error) +{ + if (call->state < RXRPC_CALL_COMPLETE) { + call->abort_code = abort_code; + call->error = error; + call->completion = compl, + call->state = RXRPC_CALL_COMPLETE; + trace_rxrpc_call_complete(call); + wake_up(&call->waitq); + return true; + } + return false; +} + +bool rxrpc_set_call_completion(struct rxrpc_call *call, + enum rxrpc_call_completion compl, + u32 abort_code, + int error) +{ + bool ret; + + write_lock_bh(&call->state_lock); + ret = __rxrpc_set_call_completion(call, compl, abort_code, error); + write_unlock_bh(&call->state_lock); + return ret; +} + +/* + * Record that a call successfully completed. + */ +bool __rxrpc_call_completed(struct rxrpc_call *call) +{ + return __rxrpc_set_call_completion(call, RXRPC_CALL_SUCCEEDED, 0, 0); +} + +bool rxrpc_call_completed(struct rxrpc_call *call) +{ + bool ret; + + write_lock_bh(&call->state_lock); + ret = __rxrpc_call_completed(call); + write_unlock_bh(&call->state_lock); + return ret; +} + +/* + * Record that a call is locally aborted. + */ +bool __rxrpc_abort_call(const char *why, struct rxrpc_call *call, + rxrpc_seq_t seq, u32 abort_code, int error) +{ + trace_rxrpc_abort(call->debug_id, why, call->cid, call->call_id, seq, + abort_code, error); + return __rxrpc_set_call_completion(call, RXRPC_CALL_LOCALLY_ABORTED, + abort_code, error); +} + +bool rxrpc_abort_call(const char *why, struct rxrpc_call *call, + rxrpc_seq_t seq, u32 abort_code, int error) +{ + bool ret; + + write_lock_bh(&call->state_lock); + ret = __rxrpc_abort_call(why, call, seq, abort_code, error); + write_unlock_bh(&call->state_lock); + return ret; +} + /* * Pass a call terminating message to userspace. */ diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c index 5e9c43d4a314..5dd9ba000c00 100644 --- a/net/rxrpc/sendmsg.c +++ b/net/rxrpc/sendmsg.c @@ -261,10 +261,10 @@ static int rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call, case -ENETUNREACH: case -EHOSTUNREACH: case -ECONNREFUSED: - rxrpc_set_call_completion(call, - RXRPC_CALL_LOCAL_ERROR, - 0, ret); - rxrpc_notify_socket(call); + if (rxrpc_set_call_completion(call, + RXRPC_CALL_LOCAL_ERROR, + 0, ret)) + rxrpc_notify_socket(call); goto out; } _debug("need instant resend %d", ret);