From nobody Tue Nov 26 00:24:50 2024 Received: from mail-pj1-f44.google.com (mail-pj1-f44.google.com [209.85.216.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4441D1CEAA2; Wed, 23 Oct 2024 15:44:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.44 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729698252; cv=none; b=tWNjSNG+Cqb2/sTD1q/qq7Tmv1GfuK2rXqtBAMPr1YY9vZg3lcoJKNoTpYbHxUrH8OWp1ykiS7bWS5g6Uv2W2HZ6/Dn90C5A+eSDTdnsEpz2rkyJ8kVvRBjKVkoMhTrvAAYynLg1yahJe7CV+Pb19yB+6e9d14dIoYN2UHjFFqQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729698252; c=relaxed/simple; bh=S2Bt7IDkIp3RcUwSnvhgbtsbgEJQf9urUQoYVHH0eBw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gxrxD64Z543E82A/tX6uh/foUsBkpy4yUs53mdmnRs0gtXi580+93aB4haFfLNC/nUdFWCMEoBxnybkGCLxdROPTQY9vPkGHwrzb1ZXnXuxwsxHDC9XeMeBP6l6DV+c696xUZGjk6FRlRfNWwx+w3qEiwy6FicyIXMHQEH+naxA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=fomichev.me; spf=pass smtp.mailfrom=gmail.com; arc=none smtp.client-ip=209.85.216.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=fomichev.me Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-pj1-f44.google.com with SMTP id 98e67ed59e1d1-2e2ad9825a7so12732a91.0; Wed, 23 Oct 2024 08:44:11 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729698250; x=1730303050; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=X01t2SGg+C1pUVxt40lNj32d2wiORw41g4O6n04tiDE=; b=H0OxvvyK/j5pr+mOG/vfBeQWb3ybATdESTZ10cZtHAMmtFXZk49TLvpXqAqwixVLW4 YEE3FNir5xESUhYa5ZRDlLXrmubgrm0+xim3YQVD2mZW5II3GiEGbLVJQPjVwD2CTj+y A8bAEbxhhncHl3bhuEeBV0Jhgq4NEy4zcsk1nVA7vCLlzF94k5Ux6crEv86PFsURDEBj TiYllX2FBLDgkuiOueHnssbLphikpf1INHvWSDzAR8uWnFV9JBhKgIrH5Xa4dWWbV8aB gFF9JVMRRjL2rH/sELIJ/jcl06fXTgJP/qV3T072er7BxcaRxitC0nf0hdLJggdAzQIu Hfwg== X-Forwarded-Encrypted: i=1; AJvYcCWlczOMm6IX1X0Ot+dMECb+Qb8GUqUWe19mLVO8XgnoamSfRfSshKiSkU+4YGK7k8isyDWGJQ5nDyuRf1qS03T5@vger.kernel.org, AJvYcCXE6jbt4czXbjS2NziiQmzHIrM7b8kJKoEIUD6jczDhMino75jYwME2YzV9RmHWAnQrxctl4ZHtoBRz7zQ=@vger.kernel.org X-Gm-Message-State: AOJu0YwuMyPy0hV666IaxBgA8D2E9W5t7M2Cjek1c8DiHPD7fzlpli6G 7EuSyB5MnBCWjYbTuJyH0hguqk/8AEgv55BilbySf/TRJFY6uauoXsUbBJw= X-Google-Smtp-Source: AGHT+IETgqiaxg2PanUbC5M6bRDY5UaOMe2COqt7Zk9wnHAfTJe4hyWmVcl73+FJQliSnfs41Lq2mw== X-Received: by 2002:a17:90b:234e:b0:2e2:b64e:f4f7 with SMTP id 98e67ed59e1d1-2e76b6f4c5emr2966473a91.29.1729698250373; Wed, 23 Oct 2024 08:44:10 -0700 (PDT) Received: from localhost ([2601:646:9e00:f56e:123b:cea3:439a:b3e3]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2e76dfba01csm1585769a91.30.2024.10.23.08.44.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Oct 2024 08:44:10 -0700 (PDT) From: Stanislav Fomichev To: netdev@vger.kernel.org Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, andrew+netdev@lunn.ch, shuah@kernel.org, almasrymina@google.com, sdf@fomichev.me, willemb@google.com, petrm@nvidia.com Subject: [PATCH net-next v5 06/12] selftests: ncdevmem: Switch to AF_INET6 Date: Wed, 23 Oct 2024 08:43:56 -0700 Message-ID: <20241023154402.441510-7-sdf@fomichev.me> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241023154402.441510-1-sdf@fomichev.me> References: <20241023154402.441510-1-sdf@fomichev.me> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Use dualstack socket to support both v4 and v6. v4-mapped-v6 address can be used to do v4. Reviewed-by: Mina Almasry Signed-off-by: Stanislav Fomichev --- tools/testing/selftests/net/ncdevmem.c | 85 +++++++++++++++++--------- 1 file changed, 57 insertions(+), 28 deletions(-) diff --git a/tools/testing/selftests/net/ncdevmem.c b/tools/testing/selftes= ts/net/ncdevmem.c index b81b8de165f0..8e4a0fe74bb1 100644 --- a/tools/testing/selftests/net/ncdevmem.c +++ b/tools/testing/selftests/net/ncdevmem.c @@ -242,13 +242,22 @@ static int configure_channels(unsigned int rx, unsign= ed int tx) return run_command("sudo ethtool -L %s rx %u tx %u", ifname, rx, tx); } =20 -static int configure_flow_steering(void) +static int configure_flow_steering(struct sockaddr_in6 *server_sin) { - return run_command("sudo ethtool -N %s flow-type tcp4 %s %s dst-ip %s %s = %s dst-port %s queue %d >&2", + const char *server_addr =3D server_ip; + const char *type =3D "tcp6"; + + if (IN6_IS_ADDR_V4MAPPED(&server_sin->sin6_addr)) { + type =3D "tcp4"; + server_addr =3D strrchr(server_ip, ':') + 1; + } + + return run_command("sudo ethtool -N %s flow-type %s %s %s dst-ip %s %s %s= dst-port %s queue %d >&2", ifname, + type, client_ip ? "src-ip" : "", client_ip ?: "", - server_ip, + server_addr, client_ip ? "src-port" : "", client_ip ? port : "", port, start_queue); @@ -299,13 +308,43 @@ static int bind_rx_queue(unsigned int ifindex, unsign= ed int dmabuf_fd, return -1; } =20 +static int enable_reuseaddr(int fd) +{ + int opt =3D 1; + int ret; + + ret =3D setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)); + if (ret) + return -errno; + + ret =3D setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)); + if (ret) + return -errno; + + return 0; +} + +static int parse_address(const char *str, int port, struct sockaddr_in6 *s= in6) +{ + int ret; + + sin6->sin6_family =3D AF_INET6; + sin6->sin6_port =3D htons(port); + + ret =3D inet_pton(sin6->sin6_family, str, &sin6->sin6_addr); + if (ret < 0) + return -1; + + return 0; +} + int do_server(struct memory_buffer *mem) { char ctrl_data[sizeof(int) * 20000]; struct netdev_queue_id *queues; size_t non_page_aligned_frags =3D 0; - struct sockaddr_in client_addr; - struct sockaddr_in server_sin; + struct sockaddr_in6 client_addr; + struct sockaddr_in6 server_sin; size_t page_aligned_frags =3D 0; size_t total_received =3D 0; socklen_t client_addr_len; @@ -317,9 +356,12 @@ int do_server(struct memory_buffer *mem) int socket_fd; int client_fd; size_t i =3D 0; - int opt =3D 1; int ret; =20 + ret =3D parse_address(server_ip, atoi(port), &server_sin); + if (ret < 0) + error(1, 0, "parse server address"); + if (reset_flow_steering()) error(1, 0, "Failed to reset flow steering\n"); =20 @@ -328,7 +370,7 @@ int do_server(struct memory_buffer *mem) error(1, 0, "Failed to configure rss\n"); =20 /* Flow steer our devmem flows to start_queue */ - if (configure_flow_steering()) + if (configure_flow_steering(&server_sin)) error(1, 0, "Failed to configure flow steering\n"); =20 sleep(1); @@ -349,29 +391,16 @@ int do_server(struct memory_buffer *mem) if (!tmp_mem) error(1, ENOMEM, "malloc failed"); =20 - server_sin.sin_family =3D AF_INET; - server_sin.sin_port =3D htons(atoi(port)); - - ret =3D inet_pton(server_sin.sin_family, server_ip, &server_sin.sin_addr); - if (ret < 0) - error(1, pton, "%s: [FAIL, create socket]\n", TEST_PREFIX); - - socket_fd =3D socket(server_sin.sin_family, SOCK_STREAM, 0); + socket_fd =3D socket(AF_INET6, SOCK_STREAM, 0); if (socket_fd < 0) error(1, errno, "%s: [FAIL, create socket]\n", TEST_PREFIX); =20 - ret =3D setsockopt(socket_fd, SOL_SOCKET, SO_REUSEPORT, &opt, - sizeof(opt)); - if (ret) - error(1, errno, "%s: [FAIL, set sock opt]\n", TEST_PREFIX); - - ret =3D setsockopt(socket_fd, SOL_SOCKET, SO_REUSEADDR, &opt, - sizeof(opt)); + ret =3D enable_reuseaddr(socket_fd); if (ret) - error(1, errno, "%s: [FAIL, set sock opt]\n", TEST_PREFIX); + error(1, errno, "%s: [FAIL, reuseaddr]\n", TEST_PREFIX); =20 fprintf(stderr, "binding to address %s:%d\n", server_ip, - ntohs(server_sin.sin_port)); + ntohs(server_sin.sin6_port)); =20 ret =3D bind(socket_fd, &server_sin, sizeof(server_sin)); if (ret) @@ -383,16 +412,16 @@ int do_server(struct memory_buffer *mem) =20 client_addr_len =3D sizeof(client_addr); =20 - inet_ntop(server_sin.sin_family, &server_sin.sin_addr, buffer, + inet_ntop(AF_INET6, &server_sin.sin6_addr, buffer, sizeof(buffer)); fprintf(stderr, "Waiting or connection on %s:%d\n", buffer, - ntohs(server_sin.sin_port)); + ntohs(server_sin.sin6_port)); client_fd =3D accept(socket_fd, &client_addr, &client_addr_len); =20 - inet_ntop(client_addr.sin_family, &client_addr.sin_addr, buffer, + inet_ntop(AF_INET6, &client_addr.sin6_addr, buffer, sizeof(buffer)); fprintf(stderr, "Got connection from %s:%d\n", buffer, - ntohs(client_addr.sin_port)); + ntohs(client_addr.sin6_port)); =20 while (1) { struct iovec iov =3D { .iov_base =3D iobuf, --=20 2.47.0