From patchwork Thu Aug 5 05:13:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jiang Wang ." X-Patchwork-Id: 12420305 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=-13.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 81699C4320E for ; Thu, 5 Aug 2021 05:14:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6892160F02 for ; Thu, 5 Aug 2021 05:14:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237062AbhHEFOP (ORCPT ); Thu, 5 Aug 2021 01:14:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56206 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237088AbhHEFOO (ORCPT ); Thu, 5 Aug 2021 01:14:14 -0400 Received: from mail-pj1-x1029.google.com (mail-pj1-x1029.google.com [IPv6:2607:f8b0:4864:20::1029]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A54E2C061765 for ; Wed, 4 Aug 2021 22:14:00 -0700 (PDT) Received: by mail-pj1-x1029.google.com with SMTP id e2-20020a17090a4a02b029016f3020d867so6899489pjh.3 for ; Wed, 04 Aug 2021 22:14:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=bk6BNtpX2bsqpgJ2JxfChzF+Dc9XGh58ZUTm6AVu4O8=; b=kbbIfWLnf1f9HRgVSHpYM44TCZobQoXD04sDX3qdumrizkrXTm4JzaSoxVEIH82beG Z+EPdXRCZne5sgygWSflaYL+N4EZmWuJv2yevWIYayEQe/RctKj6jJu7SA1v5bZN1155 E8Ydl8mHRceDPOkCopzefU27eFn7e7lenDmEZkd4oSVghqrEtcRwdjZbtXR0lOmay2BH pB+6UHNKgcHMnqPKqNDpbaq5OrJW/g646ISrefB1q9OmNhekn5uzhm8254m7plqJPuxg vDsPknCOKdMlqsXmgZpQApcMu0JaMJfF7KXi8WExg745ssFH5ChWWXT7sHayLTVnFBwk L1ZQ== 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=bk6BNtpX2bsqpgJ2JxfChzF+Dc9XGh58ZUTm6AVu4O8=; b=P1/IHbcwgKjobxjxZjyAHdERZ1CdOlHe/5+GZA7T+ZL/5UIV0slJd2GJRJRt+cONWQ IuDu9RFUrWHiLXBf+BlS4XcTaHZTf1kuVcbiaLb51QnuRTc/0T8/i0EjiMunyq+6ClQl jD8RoAM8i5VyDEWWlr8dFmqcUFhK8U4feWcC4BeXG4J9pKb/E4f0RfzEmIQrdO31vDQ8 5AY1Oz22Q9YMr5lBimK6Zt+ftCxiVG8mjyoLu9AIra2SsROaf7W+oA6HHYkaUXaGgPDP KojY752VWYmZQi1WCeADx3DzXVKA+o5t+kKkZ/rJPrZTDCmAnSLeIf2BCec9gwqSmYTC m8Tg== X-Gm-Message-State: AOAM532fpGqYN5rmdhTcphPHyO97rBv0jjoMb9EmY9lbGg3FYpUXuN8Y dUsy2CDbgrXIregUDZjntlcuKQ== X-Google-Smtp-Source: ABdhPJznw+OwJbXaiRxq0eHbyq4ucXBZQnNETJpBKxvtBSvC2eaHeDuav93b58aszECTGl8leLaslg== X-Received: by 2002:a17:90b:514:: with SMTP id r20mr2815663pjz.80.1628140440230; Wed, 04 Aug 2021 22:14:00 -0700 (PDT) Received: from ip-10-124-121-13.byted.org (ec2-54-241-92-238.us-west-1.compute.amazonaws.com. [54.241.92.238]) by smtp.gmail.com with ESMTPSA id k4sm4201098pjs.55.2021.08.04.22.13.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Aug 2021 22:13:59 -0700 (PDT) From: Jiang Wang To: netdev@vger.kernel.org Cc: cong.wang@bytedance.com, duanxiongchun@bytedance.com, xieyongji@bytedance.com, chaiwen.cc@bytedance.com, "David S. Miller" , Jakub Kicinski , John Fastabend , Daniel Borkmann , Jakub Sitnicki , Lorenz Bauer , Alexei Starovoitov , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Shuah Khan , Al Viro , Christian Brauner , Johan Almbladh , linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [PATCH bpf-next v4 1/5] af_unix: add read_sock for stream socket types Date: Thu, 5 Aug 2021 05:13:33 +0000 Message-Id: <20210805051340.3798543-2-jiang.wang@bytedance.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210805051340.3798543-1-jiang.wang@bytedance.com> References: <20210805051340.3798543-1-jiang.wang@bytedance.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org To support sockmap for af_unix stream type, implement read_sock, which is similar to the read_sock for unix dgram sockets. Signed-off-by: Jiang Wang Reviewed-by: Cong Wang --- net/unix/af_unix.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 256c4e31132e..c020ad0e8438 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -672,6 +672,8 @@ static int unix_dgram_sendmsg(struct socket *, struct msghdr *, size_t); static int unix_dgram_recvmsg(struct socket *, struct msghdr *, size_t, int); static int unix_read_sock(struct sock *sk, read_descriptor_t *desc, sk_read_actor_t recv_actor); +static int unix_stream_read_sock(struct sock *sk, read_descriptor_t *desc, + sk_read_actor_t recv_actor); static int unix_dgram_connect(struct socket *, struct sockaddr *, int, int); static int unix_seqpacket_sendmsg(struct socket *, struct msghdr *, size_t); @@ -725,6 +727,7 @@ static const struct proto_ops unix_stream_ops = { .shutdown = unix_shutdown, .sendmsg = unix_stream_sendmsg, .recvmsg = unix_stream_recvmsg, + .read_sock = unix_stream_read_sock, .mmap = sock_no_mmap, .sendpage = unix_stream_sendpage, .splice_read = unix_stream_splice_read, @@ -2358,6 +2361,15 @@ struct unix_stream_read_state { unsigned int splice_flags; }; +static int unix_stream_read_sock(struct sock *sk, read_descriptor_t *desc, + sk_read_actor_t recv_actor) +{ + if (unlikely(sk->sk_state != TCP_ESTABLISHED)) + return -ENOTCONN; + + return unix_read_sock(sk, desc, recv_actor); +} + static int unix_stream_read_generic(struct unix_stream_read_state *state, bool freezable) { From patchwork Thu Aug 5 05:13:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jiang Wang ." X-Patchwork-Id: 12420307 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 7C340C4320A for ; Thu, 5 Aug 2021 05:14:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5FD5E610FB for ; Thu, 5 Aug 2021 05:14:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237246AbhHEFOW (ORCPT ); Thu, 5 Aug 2021 01:14:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56256 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237216AbhHEFOU (ORCPT ); Thu, 5 Aug 2021 01:14:20 -0400 Received: from mail-pl1-x629.google.com (mail-pl1-x629.google.com [IPv6:2607:f8b0:4864:20::629]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D0122C06179A for ; Wed, 4 Aug 2021 22:14:06 -0700 (PDT) Received: by mail-pl1-x629.google.com with SMTP id t3so5673492plg.9 for ; Wed, 04 Aug 2021 22:14:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=LNY3e4ptwysnI+KP7F89eycCkLBETHgwxYKM8oSuHDo=; b=BlCXomTK/b0a3A2Bs9K3ENvAm2i3zUkZ/gqLpzJefGploz+UhoOZCzXA/ljxnCTvV3 eEbFxu0auaCBn1OrLvH8kQ3MQmFmHtsnLKPQt8o0mYl8vWgjxxx5jiwfctEYet2B9q8u 2y1rpH9q4EUzlyYxKqjsh4AG+YDWE7hqLfqtfoJLhK7Tm4corDuBPzL6o26kN6fhDz+4 TqUYWPpJ38AeWOK8WgCYNi6A6Rg+dY+X8/iMM21oNXwhUu0HaIOis0Tn2RBewsDurWOv k4/KRpMtOx5uG44r6UVaFIxoQ9GXfYr2Z70cPEPOc1M4qDUgHHv5PwAffMLkZ2GauDb5 a9TQ== 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=LNY3e4ptwysnI+KP7F89eycCkLBETHgwxYKM8oSuHDo=; b=Sjzax6z0AiQFLkX/qSoB/gLKbYHLbkA6Qq8vbhHcBjJPWbpY2V95m4RpsiY4vHqKbH XIUXoBAif43afytP4q6Q9YNiptcwtayw60IMoIiK6KP7PvsFX4TvW4aZZ4rnUD6/jZ6W W74lgowH4cf1wUoSh7UnEIQF0sAfGMIlx67YZ2D7FhILO0aZejZpnG5Masqwm3MIWdGU rCkd9AnQ22hUNf7e3/aCQjL5vNPOHIQG3FTm/qsZNKNGVLe72GaWwIvegSKMqcRSSu3M HZSl28XcY+JMwd9iRkS8bCbJ7P+EXAx/hVqfTTs6SR7JI+BPijEtZBkaH4+vOMoVDb+R Vfow== X-Gm-Message-State: AOAM532B8UzFUMblXjlfey1ru6NdRbrVLjNm3hMqDxm2/yh7HnghXRc4 jnvqQvHXFB1GpZwAXhkb46OPyw== X-Google-Smtp-Source: ABdhPJz2mCEPMwe3te2f2WDkRsK0Pa9drZeYDUcbK8AqRPqawfdhonc2caYBeYiicnpyTtuouo52UA== X-Received: by 2002:a63:d757:: with SMTP id w23mr27987pgi.434.1628140445484; Wed, 04 Aug 2021 22:14:05 -0700 (PDT) Received: from ip-10-124-121-13.byted.org (ec2-54-241-92-238.us-west-1.compute.amazonaws.com. [54.241.92.238]) by smtp.gmail.com with ESMTPSA id k4sm4201098pjs.55.2021.08.04.22.14.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Aug 2021 22:14:05 -0700 (PDT) From: Jiang Wang To: netdev@vger.kernel.org Cc: cong.wang@bytedance.com, duanxiongchun@bytedance.com, xieyongji@bytedance.com, chaiwen.cc@bytedance.com, "David S. Miller" , Jakub Kicinski , John Fastabend , Daniel Borkmann , Jakub Sitnicki , Lorenz Bauer , Alexei Starovoitov , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Shuah Khan , Al Viro , Christian Brauner , Johan Almbladh , linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [PATCH bpf-next v4 2/5] af_unix: add unix_stream_proto for sockmap Date: Thu, 5 Aug 2021 05:13:34 +0000 Message-Id: <20210805051340.3798543-3-jiang.wang@bytedance.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210805051340.3798543-1-jiang.wang@bytedance.com> References: <20210805051340.3798543-1-jiang.wang@bytedance.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Previously, sockmap for AF_UNIX protocol only supports dgram type. This patch add unix stream type support, which is similar to unix_dgram_proto. To support sockmap, dgram and stream cannot share the same unix_proto anymore, because they have different implementations, such as unhash for stream type (which will remove closed or disconnected sockets from the map), so rename unix_proto to unix_dgram_proto and add a new unix_stream_proto. Also implement stream related sockmap functions. And add dgram key words to those dgram specific functions. Signed-off-by: Jiang Wang Reviewed-by: Cong Wang --- include/net/af_unix.h | 8 +++- net/unix/af_unix.c | 74 +++++++++++++++++++++++++++++----- net/unix/unix_bpf.c | 93 +++++++++++++++++++++++++++++++++---------- 3 files changed, 140 insertions(+), 35 deletions(-) diff --git a/include/net/af_unix.h b/include/net/af_unix.h index 435a2c3d5a6f..5d04fbf8aac8 100644 --- a/include/net/af_unix.h +++ b/include/net/af_unix.h @@ -84,6 +84,8 @@ long unix_outq_len(struct sock *sk); int __unix_dgram_recvmsg(struct sock *sk, struct msghdr *msg, size_t size, int flags); +int __unix_stream_recvmsg(struct sock *sk, struct msghdr *msg, size_t size, + int flags); #ifdef CONFIG_SYSCTL int unix_sysctl_register(struct net *net); void unix_sysctl_unregister(struct net *net); @@ -93,9 +95,11 @@ static inline void unix_sysctl_unregister(struct net *net) {} #endif #ifdef CONFIG_BPF_SYSCALL -extern struct proto unix_proto; +extern struct proto unix_dgram_proto; +extern struct proto unix_stream_proto; -int unix_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore); +int unix_dgram_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore); +int unix_stream_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore); void __init unix_bpf_build_proto(void); #else static inline void __init unix_bpf_build_proto(void) diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index c020ad0e8438..1eae92a7340b 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -791,17 +791,35 @@ static void unix_close(struct sock *sk, long timeout) */ } -struct proto unix_proto = { - .name = "UNIX", +static void unix_unhash(struct sock *sk) +{ + /* Nothing to do here, unix socket does not need a ->unhash(). + * This is merely for sockmap. + */ +} + +struct proto unix_dgram_proto = { + .name = "UNIX-DGRAM", + .owner = THIS_MODULE, + .obj_size = sizeof(struct unix_sock), + .close = unix_close, +#ifdef CONFIG_BPF_SYSCALL + .psock_update_sk_prot = unix_dgram_bpf_update_proto, +#endif +}; + +struct proto unix_stream_proto = { + .name = "UNIX-STREAM", .owner = THIS_MODULE, .obj_size = sizeof(struct unix_sock), .close = unix_close, + .unhash = unix_unhash, #ifdef CONFIG_BPF_SYSCALL - .psock_update_sk_prot = unix_bpf_update_proto, + .psock_update_sk_prot = unix_stream_bpf_update_proto, #endif }; -static struct sock *unix_create1(struct net *net, struct socket *sock, int kern) +static struct sock *unix_create1(struct net *net, struct socket *sock, int kern, int type) { struct sock *sk = NULL; struct unix_sock *u; @@ -810,7 +828,11 @@ static struct sock *unix_create1(struct net *net, struct socket *sock, int kern) if (atomic_long_read(&unix_nr_socks) > 2 * get_max_files()) goto out; - sk = sk_alloc(net, PF_UNIX, GFP_KERNEL, &unix_proto, kern); + if (type == SOCK_STREAM) + sk = sk_alloc(net, PF_UNIX, GFP_KERNEL, &unix_stream_proto, kern); + else /*dgram and seqpacket */ + sk = sk_alloc(net, PF_UNIX, GFP_KERNEL, &unix_dgram_proto, kern); + if (!sk) goto out; @@ -872,7 +894,7 @@ static int unix_create(struct net *net, struct socket *sock, int protocol, return -ESOCKTNOSUPPORT; } - return unix_create1(net, sock, kern) ? 0 : -ENOMEM; + return unix_create1(net, sock, kern, sock->type) ? 0 : -ENOMEM; } static int unix_release(struct socket *sock) @@ -1286,7 +1308,7 @@ static int unix_stream_connect(struct socket *sock, struct sockaddr *uaddr, err = -ENOMEM; /* create new sock for complete connection */ - newsk = unix_create1(sock_net(sk), NULL, 0); + newsk = unix_create1(sock_net(sk), NULL, 0, sock->type); if (newsk == NULL) goto out; @@ -2261,7 +2283,7 @@ static int unix_dgram_recvmsg(struct socket *sock, struct msghdr *msg, size_t si struct sock *sk = sock->sk; #ifdef CONFIG_BPF_SYSCALL - if (sk->sk_prot != &unix_proto) + if (READ_ONCE(sk->sk_prot) != &unix_dgram_proto) return sk->sk_prot->recvmsg(sk, msg, size, flags & MSG_DONTWAIT, flags & ~MSG_DONTWAIT, NULL); #endif @@ -2580,6 +2602,20 @@ static int unix_stream_read_actor(struct sk_buff *skb, return ret ?: chunk; } +int __unix_stream_recvmsg(struct sock *sk, struct msghdr *msg, + size_t size, int flags) +{ + struct unix_stream_read_state state = { + .recv_actor = unix_stream_read_actor, + .socket = sk->sk_socket, + .msg = msg, + .size = size, + .flags = flags + }; + + return unix_stream_read_generic(&state, true); +} + static int unix_stream_recvmsg(struct socket *sock, struct msghdr *msg, size_t size, int flags) { @@ -2591,6 +2627,12 @@ static int unix_stream_recvmsg(struct socket *sock, struct msghdr *msg, .flags = flags }; +#ifdef CONFIG_BPF_SYSCALL + struct sock *sk = sock->sk; + if (sk->sk_prot != &unix_stream_proto) + return sk->sk_prot->recvmsg(sk, msg, size, flags & MSG_DONTWAIT, + flags & ~MSG_DONTWAIT, NULL); +#endif return unix_stream_read_generic(&state, true); } @@ -2652,6 +2694,7 @@ static int unix_shutdown(struct socket *sock, int mode) int peer_mode = 0; + other->sk_prot->unhash(other); if (mode&RCV_SHUTDOWN) peer_mode |= SEND_SHUTDOWN; if (mode&SEND_SHUTDOWN) @@ -2660,8 +2703,10 @@ static int unix_shutdown(struct socket *sock, int mode) other->sk_shutdown |= peer_mode; unix_state_unlock(other); other->sk_state_change(other); - if (peer_mode == SHUTDOWN_MASK) + if (peer_mode == SHUTDOWN_MASK) { sk_wake_async(other, SOCK_WAKE_WAITD, POLL_HUP); + other->sk_state = TCP_CLOSE; + } else if (peer_mode & RCV_SHUTDOWN) sk_wake_async(other, SOCK_WAKE_WAITD, POLL_IN); } @@ -3040,7 +3085,13 @@ static int __init af_unix_init(void) BUILD_BUG_ON(sizeof(struct unix_skb_parms) > sizeof_field(struct sk_buff, cb)); - rc = proto_register(&unix_proto, 1); + rc = proto_register(&unix_dgram_proto, 1); + if (rc != 0) { + pr_crit("%s: Cannot create unix_sock SLAB cache!\n", __func__); + goto out; + } + + rc = proto_register(&unix_stream_proto, 1); if (rc != 0) { pr_crit("%s: Cannot create unix_sock SLAB cache!\n", __func__); goto out; @@ -3056,7 +3107,8 @@ static int __init af_unix_init(void) static void __exit af_unix_exit(void) { sock_unregister(PF_UNIX); - proto_unregister(&unix_proto); + proto_unregister(&unix_dgram_proto); + proto_unregister(&unix_stream_proto); unregister_pernet_subsys(&unix_net_ops); } diff --git a/net/unix/unix_bpf.c b/net/unix/unix_bpf.c index 20f53575b5c9..cbb0cdad63ba 100644 --- a/net/unix/unix_bpf.c +++ b/net/unix/unix_bpf.c @@ -38,9 +38,18 @@ static int unix_msg_wait_data(struct sock *sk, struct sk_psock *psock, return ret; } -static int unix_dgram_bpf_recvmsg(struct sock *sk, struct msghdr *msg, - size_t len, int nonblock, int flags, - int *addr_len) +static int __unix_recvmsg(struct sock *sk, struct msghdr *msg, + size_t len, int flags) +{ + if (sk->sk_type == SOCK_DGRAM) + return __unix_dgram_recvmsg(sk, msg, len, flags); + else + return __unix_stream_recvmsg(sk, msg, len, flags); +} + +static int unix_bpf_recvmsg(struct sock *sk, struct msghdr *msg, + size_t len, int nonblock, int flags, + int *addr_len) { struct unix_sock *u = unix_sk(sk); struct sk_psock *psock; @@ -48,14 +57,14 @@ static int unix_dgram_bpf_recvmsg(struct sock *sk, struct msghdr *msg, psock = sk_psock_get(sk); if (unlikely(!psock)) - return __unix_dgram_recvmsg(sk, msg, len, flags); + return __unix_recvmsg(sk, msg, len, flags); mutex_lock(&u->iolock); if (!skb_queue_empty(&sk->sk_receive_queue) && sk_psock_queue_empty(psock)) { mutex_unlock(&u->iolock); sk_psock_put(sk, psock); - return __unix_dgram_recvmsg(sk, msg, len, flags); + return __unix_recvmsg(sk, msg, len, flags); } msg_bytes_ready: @@ -71,7 +80,7 @@ static int unix_dgram_bpf_recvmsg(struct sock *sk, struct msghdr *msg, goto msg_bytes_ready; mutex_unlock(&u->iolock); sk_psock_put(sk, psock); - return __unix_dgram_recvmsg(sk, msg, len, flags); + return __unix_recvmsg(sk, msg, len, flags); } copied = -EAGAIN; } @@ -80,30 +89,55 @@ static int unix_dgram_bpf_recvmsg(struct sock *sk, struct msghdr *msg, return copied; } -static struct proto *unix_prot_saved __read_mostly; -static DEFINE_SPINLOCK(unix_prot_lock); -static struct proto unix_bpf_prot; +static struct proto *unix_dgram_prot_saved __read_mostly; +static DEFINE_SPINLOCK(unix_dgram_prot_lock); +static struct proto unix_dgram_bpf_prot; + +static struct proto *unix_stream_prot_saved __read_mostly; +static DEFINE_SPINLOCK(unix_stream_prot_lock); +static struct proto unix_stream_bpf_prot; -static void unix_bpf_rebuild_protos(struct proto *prot, const struct proto *base) +static void unix_dgram_bpf_rebuild_protos(struct proto *prot, const struct proto *base) { *prot = *base; prot->close = sock_map_close; - prot->recvmsg = unix_dgram_bpf_recvmsg; + prot->recvmsg = unix_bpf_recvmsg; +} + +static void unix_stream_bpf_rebuild_protos(struct proto *prot, + const struct proto *base) +{ + *prot = *base; + prot->close = sock_map_close; + prot->recvmsg = unix_bpf_recvmsg; + prot->unhash = sock_map_unhash; +} + +static void unix_dgram_bpf_check_needs_rebuild(struct proto *ops) +{ + if (unlikely(ops != smp_load_acquire(&unix_dgram_prot_saved))) { + spin_lock_bh(&unix_dgram_prot_lock); + if (likely(ops != unix_dgram_prot_saved)) { + unix_dgram_bpf_rebuild_protos(&unix_dgram_bpf_prot, ops); + smp_store_release(&unix_dgram_prot_saved, ops); + } + spin_unlock_bh(&unix_dgram_prot_lock); + } } -static void unix_bpf_check_needs_rebuild(struct proto *ops) +static void unix_stream_bpf_check_needs_rebuild(struct proto *ops) { - if (unlikely(ops != smp_load_acquire(&unix_prot_saved))) { - spin_lock_bh(&unix_prot_lock); - if (likely(ops != unix_prot_saved)) { - unix_bpf_rebuild_protos(&unix_bpf_prot, ops); - smp_store_release(&unix_prot_saved, ops); + if (unlikely(ops != smp_load_acquire(&unix_stream_prot_saved))) { + spin_lock_bh(&unix_stream_prot_lock); + if (likely(ops != unix_stream_prot_saved)) { + unix_stream_bpf_rebuild_protos(&unix_stream_bpf_prot, ops); + smp_store_release(&unix_stream_prot_saved, ops); } - spin_unlock_bh(&unix_prot_lock); + spin_unlock_bh(&unix_stream_prot_lock); } } -int unix_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore) +int unix_dgram_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore) { if (sk->sk_type != SOCK_DGRAM) return -EOPNOTSUPP; @@ -114,12 +148,27 @@ int unix_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore) return 0; } - unix_bpf_check_needs_rebuild(psock->sk_proto); - WRITE_ONCE(sk->sk_prot, &unix_bpf_prot); + unix_dgram_bpf_check_needs_rebuild(psock->sk_proto); + WRITE_ONCE(sk->sk_prot, &unix_dgram_bpf_prot); + return 0; +} + +int unix_stream_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore) +{ + if (restore) { + sk->sk_write_space = psock->saved_write_space; + WRITE_ONCE(sk->sk_prot, psock->sk_proto); + return 0; + } + + unix_stream_bpf_check_needs_rebuild(psock->sk_proto); + WRITE_ONCE(sk->sk_prot, &unix_stream_bpf_prot); return 0; } void __init unix_bpf_build_proto(void) { - unix_bpf_rebuild_protos(&unix_bpf_prot, &unix_proto); + unix_dgram_bpf_rebuild_protos(&unix_dgram_bpf_prot, &unix_dgram_proto); + unix_stream_bpf_rebuild_protos(&unix_stream_bpf_prot, &unix_stream_proto); + } From patchwork Thu Aug 5 05:13:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jiang Wang ." X-Patchwork-Id: 12420309 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 43711C4338F for ; Thu, 5 Aug 2021 05:14:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2D1B2610FF for ; Thu, 5 Aug 2021 05:14:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237222AbhHEFO1 (ORCPT ); Thu, 5 Aug 2021 01:14:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56282 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237177AbhHEFOY (ORCPT ); Thu, 5 Aug 2021 01:14:24 -0400 Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2DBD3C061798 for ; Wed, 4 Aug 2021 22:14:11 -0700 (PDT) Received: by mail-pj1-x1036.google.com with SMTP id b1-20020a17090a8001b029017700de3903so7681949pjn.1 for ; Wed, 04 Aug 2021 22:14:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=MtJ8xI/B+EIULIghvMhd6tf0lsFMRQDGP/UDMzZQQ5Q=; b=f8VLcDJC+GRjS77dEkbSH6oWriAdkrwFK8WU/fuDD0VoO5jfFofEfUhFzBRQ/W0qwL DFZ/l/JHSWlAXdZDv/POklmCvh2gbAKB/anr+MLYyldRM7T/sFqsveKKbrqeqZAnHuG/ mahuvRljWFeg1AR5PQBmTelYbs2vJo8ipHPxbP45gHbimwrKlIEh1M+Vw4hpnbz0WzyH XDIVvOfc91KduWvUIqiJyIyCved82FFZAjPYfUFH3QGNVYpfiLllHIEV6c01AWhEkNwf gwdKMH22KS58YnDu4LhZxT2pkAeRsPPnYu+Bjh7KueEvt/KT+tjteGWmKFVWpadAI80c 4UCQ== 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=MtJ8xI/B+EIULIghvMhd6tf0lsFMRQDGP/UDMzZQQ5Q=; b=MHX4EGGo5E1RS6aF6lycLu0GS3QpDmJN5rxEh/mgwaoeHphhhYMtis1M634h/2aEHE z1NuPg8e4Ec1qE7BbugpBaO7K6B/HCekYyR2K71Otsr6qx7qjtdYSQ/zw9GgVlbQ2J2A mUuwLH4VmmbWgkohJs+hotkk2R29iYAVgAr/74PZOLcDGLqOJEi535XCqSxxCI/lr5VP OTqAG5DkvlfIWxlxv7T3aXtdT49hFTDY6Neix68jiGYlyboR3HZd09v7omaQssDUgODU gCkNfDivIxa/kdQvCEO9nwjYVAJBQRIz+/3AVd1essunX0MhWLyhmibxPTfnBrZMgRXI PgqA== X-Gm-Message-State: AOAM533NdoPcfJgeMWLVAc0rmE3idMt1Vzbr633DKpiTv+e0u6rRva6B uxAzMWC9vJpYTMTkDYoQ54g4Ng== X-Google-Smtp-Source: ABdhPJxoqkDuGMiJPBMRXDNgMTWDDbDekyZOw7bqlEeTLB83QJFlTOdX9N/wIdxhzebo8D10q4B+iA== X-Received: by 2002:a17:902:8a98:b029:12c:3177:c3ef with SMTP id p24-20020a1709028a98b029012c3177c3efmr2465741plo.21.1628140450732; Wed, 04 Aug 2021 22:14:10 -0700 (PDT) Received: from ip-10-124-121-13.byted.org (ec2-54-241-92-238.us-west-1.compute.amazonaws.com. [54.241.92.238]) by smtp.gmail.com with ESMTPSA id k4sm4201098pjs.55.2021.08.04.22.14.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Aug 2021 22:14:10 -0700 (PDT) From: Jiang Wang To: netdev@vger.kernel.org Cc: cong.wang@bytedance.com, duanxiongchun@bytedance.com, xieyongji@bytedance.com, chaiwen.cc@bytedance.com, John Fastabend , "David S. Miller" , Jakub Kicinski , Daniel Borkmann , Jakub Sitnicki , Lorenz Bauer , Alexei Starovoitov , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Shuah Khan , Al Viro , Christian Brauner , Johan Almbladh , linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [PATCH bpf-next v4 3/5] selftest/bpf: add tests for sockmap with unix stream type. Date: Thu, 5 Aug 2021 05:13:35 +0000 Message-Id: <20210805051340.3798543-4-jiang.wang@bytedance.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210805051340.3798543-1-jiang.wang@bytedance.com> References: <20210805051340.3798543-1-jiang.wang@bytedance.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Add two tests for unix stream to unix stream redirection in sockmap tests. Signed-off-by: Jiang Wang Reviewed-by: Cong Wang Acked-by: John Fastabend --- tools/testing/selftests/bpf/prog_tests/sockmap_listen.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c index a9f1bf9d5dff..7a976d43281a 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c @@ -2020,11 +2020,13 @@ void test_sockmap_listen(void) run_tests(skel, skel->maps.sock_map, AF_INET); run_tests(skel, skel->maps.sock_map, AF_INET6); test_unix_redir(skel, skel->maps.sock_map, SOCK_DGRAM); + test_unix_redir(skel, skel->maps.sock_map, SOCK_STREAM); skel->bss->test_sockmap = false; run_tests(skel, skel->maps.sock_hash, AF_INET); run_tests(skel, skel->maps.sock_hash, AF_INET6); test_unix_redir(skel, skel->maps.sock_hash, SOCK_DGRAM); + test_unix_redir(skel, skel->maps.sock_hash, SOCK_STREAM); test_sockmap_listen__destroy(skel); } From patchwork Thu Aug 5 05:13:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jiang Wang ." X-Patchwork-Id: 12420311 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 8E5F5C4338F for ; Thu, 5 Aug 2021 05:14:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 767DA610CC for ; Thu, 5 Aug 2021 05:14:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237426AbhHEFOb (ORCPT ); Thu, 5 Aug 2021 01:14:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56314 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237265AbhHEFOa (ORCPT ); Thu, 5 Aug 2021 01:14:30 -0400 Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 482C4C0613D5 for ; Wed, 4 Aug 2021 22:14:16 -0700 (PDT) Received: by mail-pj1-x1036.google.com with SMTP id ca5so6309019pjb.5 for ; Wed, 04 Aug 2021 22:14:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=OmM6Jh2wG8NHNQR7MWK2cVhqAuC5kqvoMNBPLIkIjok=; b=0TXLbfw36yEmY/UO03c7+GhzKyzHIWNXxdoYpHRPhQZMHj0K3JHMqPMFCeT2sSK6oE fFVPv2WTEUbwdu8Cn46KQSKgbP2Pv511U/INtvrxTZwObI0fZK0Vw75xvFrTtmQcdyEq 4qNH6Zoz2+Mw2WSNoilpxIv+eSQ/i9NSQkS312TURC2u+JFnkrSgoxc+CBiQzQBvoYFA Ezu1PtJ/nVsZh81QzE2KghS/qcjYIxTYOXngyTZW2PQ/eeo3021vWkqAXNIUVfAcUwgp oYJMP5GvdNTvSjCgUYn/RMipVlq9MiwsFuYWk7Dsx9IcTlys0WxCpkhP5X/07lyX2uro 9XHQ== 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=OmM6Jh2wG8NHNQR7MWK2cVhqAuC5kqvoMNBPLIkIjok=; b=PIwamquYELJ43In8kIedh0j+q5JuOb3K7gIO0v0lFgZVwGplKmfscUAIoHSY1f/MBY EYirIU3+zLz7QZIuiIqDFum9KQdCENhb8MuBr+N8baFyGfTU25hH6E1HUn6sAuA8HqnS prSKve17KOyf2WQULQvrSVGnaNESrkA/tErfR6eJvejjyk44n/DvtB1I35WoLdGkYj/f i4nj/xuOWcTauLpacB7AkRKbtwUrD62E7eV7btzimTCUT9plh5TFyE5isKq4AkH0++VO 3Evxe52To29+iC0Z+WQNq7ZTk7T7+von6FbZLjB2FhNs3DYe249hadvutzleEPD9ybyS b4eQ== X-Gm-Message-State: AOAM533feNATm+SLc5XTkns7AvqB4dwMU/fLY8P5i/AW1fdiI+Ln5/A9 XP5pNU49nM+VfP5befg/FsVQlw== X-Google-Smtp-Source: ABdhPJzK3cePATYMxR6sqBsYZjV/E8YPAc178DQmAOTokX50fD+gnqn7JK+DuIIN0k53YiJl72RhGw== X-Received: by 2002:a63:1d54:: with SMTP id d20mr643685pgm.410.1628140455897; Wed, 04 Aug 2021 22:14:15 -0700 (PDT) Received: from ip-10-124-121-13.byted.org (ec2-54-241-92-238.us-west-1.compute.amazonaws.com. [54.241.92.238]) by smtp.gmail.com with ESMTPSA id k4sm4201098pjs.55.2021.08.04.22.14.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Aug 2021 22:14:15 -0700 (PDT) From: Jiang Wang To: netdev@vger.kernel.org Cc: cong.wang@bytedance.com, duanxiongchun@bytedance.com, xieyongji@bytedance.com, chaiwen.cc@bytedance.com, John Fastabend , "David S. Miller" , Jakub Kicinski , Daniel Borkmann , Jakub Sitnicki , Lorenz Bauer , Alexei Starovoitov , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Shuah Khan , Al Viro , Christian Brauner , Johan Almbladh , linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [PATCH bpf-next v4 4/5] selftest/bpf: change udp to inet in some function names Date: Thu, 5 Aug 2021 05:13:36 +0000 Message-Id: <20210805051340.3798543-5-jiang.wang@bytedance.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210805051340.3798543-1-jiang.wang@bytedance.com> References: <20210805051340.3798543-1-jiang.wang@bytedance.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org This is to prepare for adding new unix stream tests. Mostly renames, also pass the socket types as an argument. Signed-off-by: Jiang Wang Reviewed-by: Cong Wang Acked-by: John Fastabend --- .../selftests/bpf/prog_tests/sockmap_listen.c | 30 +++++++++++-------- 1 file changed, 17 insertions(+), 13 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c index 7a976d43281a..07ed8081f9ae 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c @@ -1692,14 +1692,14 @@ static void test_reuseport(struct test_sockmap_listen *skel, } } -static int udp_socketpair(int family, int *s, int *c) +static int inet_socketpair(int family, int type, int *s, int *c) { struct sockaddr_storage addr; socklen_t len; int p0, c0; int err; - p0 = socket_loopback(family, SOCK_DGRAM | SOCK_NONBLOCK); + p0 = socket_loopback(family, type | SOCK_NONBLOCK); if (p0 < 0) return p0; @@ -1708,7 +1708,7 @@ static int udp_socketpair(int family, int *s, int *c) if (err) goto close_peer0; - c0 = xsocket(family, SOCK_DGRAM | SOCK_NONBLOCK, 0); + c0 = xsocket(family, type | SOCK_NONBLOCK, 0); if (c0 < 0) { err = c0; goto close_peer0; @@ -1747,10 +1747,10 @@ static void udp_redir_to_connected(int family, int sock_mapfd, int verd_mapfd, zero_verdict_count(verd_mapfd); - err = udp_socketpair(family, &p0, &c0); + err = inet_socketpair(family, SOCK_DGRAM, &p0, &c0); if (err) return; - err = udp_socketpair(family, &p1, &c1); + err = inet_socketpair(family, SOCK_DGRAM, &p1, &c1); if (err) goto close_cli0; @@ -1825,7 +1825,7 @@ static void test_udp_redir(struct test_sockmap_listen *skel, struct bpf_map *map udp_skb_redir_to_connected(skel, map, family); } -static void udp_unix_redir_to_connected(int family, int sock_mapfd, +static void inet_unix_redir_to_connected(int family, int type, int sock_mapfd, int verd_mapfd, enum redir_mode mode) { const char *log_prefix = redir_mode_str(mode); @@ -1843,7 +1843,7 @@ static void udp_unix_redir_to_connected(int family, int sock_mapfd, return; c0 = sfd[0], p0 = sfd[1]; - err = udp_socketpair(family, &p1, &c1); + err = inet_socketpair(family, SOCK_DGRAM, &p1, &c1); if (err) goto close; @@ -1897,14 +1897,16 @@ static void udp_unix_skb_redir_to_connected(struct test_sockmap_listen *skel, return; skel->bss->test_ingress = false; - udp_unix_redir_to_connected(family, sock_map, verdict_map, REDIR_EGRESS); + inet_unix_redir_to_connected(family, SOCK_DGRAM, sock_map, verdict_map, + REDIR_EGRESS); skel->bss->test_ingress = true; - udp_unix_redir_to_connected(family, sock_map, verdict_map, REDIR_INGRESS); + inet_unix_redir_to_connected(family, SOCK_DGRAM, sock_map, verdict_map, + REDIR_INGRESS); xbpf_prog_detach2(verdict, sock_map, BPF_SK_SKB_VERDICT); } -static void unix_udp_redir_to_connected(int family, int sock_mapfd, +static void unix_inet_redir_to_connected(int family, int type, int sock_mapfd, int verd_mapfd, enum redir_mode mode) { const char *log_prefix = redir_mode_str(mode); @@ -1917,7 +1919,7 @@ static void unix_udp_redir_to_connected(int family, int sock_mapfd, zero_verdict_count(verd_mapfd); - err = udp_socketpair(family, &p0, &c0); + err = inet_socketpair(family, SOCK_DGRAM, &p0, &c0); if (err) return; @@ -1972,9 +1974,11 @@ static void unix_udp_skb_redir_to_connected(struct test_sockmap_listen *skel, return; skel->bss->test_ingress = false; - unix_udp_redir_to_connected(family, sock_map, verdict_map, REDIR_EGRESS); + unix_inet_redir_to_connected(family, SOCK_DGRAM, sock_map, verdict_map, + REDIR_EGRESS); skel->bss->test_ingress = true; - unix_udp_redir_to_connected(family, sock_map, verdict_map, REDIR_INGRESS); + unix_inet_redir_to_connected(family, SOCK_DGRAM, sock_map, verdict_map, + REDIR_INGRESS); xbpf_prog_detach2(verdict, sock_map, BPF_SK_SKB_VERDICT); } From patchwork Thu Aug 5 05:13:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jiang Wang ." 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[54.241.92.238]) by smtp.gmail.com with ESMTPSA id k4sm4201098pjs.55.2021.08.04.22.14.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Aug 2021 22:14:20 -0700 (PDT) From: Jiang Wang To: netdev@vger.kernel.org Cc: cong.wang@bytedance.com, duanxiongchun@bytedance.com, xieyongji@bytedance.com, chaiwen.cc@bytedance.com, John Fastabend , "David S. Miller" , Jakub Kicinski , Daniel Borkmann , Jakub Sitnicki , Lorenz Bauer , Alexei Starovoitov , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Shuah Khan , Al Viro , Christian Brauner , Johan Almbladh , linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [PATCH bpf-next v4 5/5] selftest/bpf: add new tests in sockmap for unix stream to tcp. Date: Thu, 5 Aug 2021 05:13:37 +0000 Message-Id: <20210805051340.3798543-6-jiang.wang@bytedance.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210805051340.3798543-1-jiang.wang@bytedance.com> References: <20210805051340.3798543-1-jiang.wang@bytedance.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Add two new test cases in sockmap tests, where unix stream is redirected to tcp and vice versa. Signed-off-by: Jiang Wang Reviewed-by: Cong Wang Acked-by: John Fastabend --- .../selftests/bpf/prog_tests/sockmap_listen.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c index 07ed8081f9ae..afa14fb66f08 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c @@ -1884,7 +1884,7 @@ static void inet_unix_redir_to_connected(int family, int type, int sock_mapfd, xclose(p0); } -static void udp_unix_skb_redir_to_connected(struct test_sockmap_listen *skel, +static void inet_unix_skb_redir_to_connected(struct test_sockmap_listen *skel, struct bpf_map *inner_map, int family) { int verdict = bpf_program__fd(skel->progs.prog_skb_verdict); @@ -1899,9 +1899,13 @@ static void udp_unix_skb_redir_to_connected(struct test_sockmap_listen *skel, skel->bss->test_ingress = false; inet_unix_redir_to_connected(family, SOCK_DGRAM, sock_map, verdict_map, REDIR_EGRESS); + inet_unix_redir_to_connected(family, SOCK_STREAM, sock_map, verdict_map, + REDIR_EGRESS); skel->bss->test_ingress = true; inet_unix_redir_to_connected(family, SOCK_DGRAM, sock_map, verdict_map, REDIR_INGRESS); + inet_unix_redir_to_connected(family, SOCK_STREAM, sock_map, verdict_map, + REDIR_INGRESS); xbpf_prog_detach2(verdict, sock_map, BPF_SK_SKB_VERDICT); } @@ -1961,7 +1965,7 @@ static void unix_inet_redir_to_connected(int family, int type, int sock_mapfd, } -static void unix_udp_skb_redir_to_connected(struct test_sockmap_listen *skel, +static void unix_inet_skb_redir_to_connected(struct test_sockmap_listen *skel, struct bpf_map *inner_map, int family) { int verdict = bpf_program__fd(skel->progs.prog_skb_verdict); @@ -1976,9 +1980,13 @@ static void unix_udp_skb_redir_to_connected(struct test_sockmap_listen *skel, skel->bss->test_ingress = false; unix_inet_redir_to_connected(family, SOCK_DGRAM, sock_map, verdict_map, REDIR_EGRESS); + unix_inet_redir_to_connected(family, SOCK_STREAM, sock_map, verdict_map, + REDIR_EGRESS); skel->bss->test_ingress = true; unix_inet_redir_to_connected(family, SOCK_DGRAM, sock_map, verdict_map, REDIR_INGRESS); + unix_inet_redir_to_connected(family, SOCK_STREAM, sock_map, verdict_map, + REDIR_INGRESS); xbpf_prog_detach2(verdict, sock_map, BPF_SK_SKB_VERDICT); } @@ -1994,8 +2002,8 @@ static void test_udp_unix_redir(struct test_sockmap_listen *skel, struct bpf_map snprintf(s, sizeof(s), "%s %s %s", map_name, family_name, __func__); if (!test__start_subtest(s)) return; - udp_unix_skb_redir_to_connected(skel, map, family); - unix_udp_skb_redir_to_connected(skel, map, family); + inet_unix_skb_redir_to_connected(skel, map, family); + unix_inet_skb_redir_to_connected(skel, map, family); } static void run_tests(struct test_sockmap_listen *skel, struct bpf_map *map,