From mboxrd@z Thu Jan 1 00:00:00 1970 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 130DBC433E0 for ; Thu, 14 Jan 2021 20:44:54 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5F045221FD for ; Thu, 14 Jan 2021 20:44:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5F045221FD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=daynix.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:38298 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l09UB-0005Oy-UA for qemu-devel@archiver.kernel.org; Thu, 14 Jan 2021 15:44:51 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:33510) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l09SC-0003jU-Jd for qemu-devel@nongnu.org; Thu, 14 Jan 2021 15:42:48 -0500 Received: from mail-lf1-x131.google.com ([2a00:1450:4864:20::131]:44138) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l09S8-0004iz-Gu for qemu-devel@nongnu.org; Thu, 14 Jan 2021 15:42:48 -0500 Received: by mail-lf1-x131.google.com with SMTP id m25so9939249lfc.11 for ; Thu, 14 Jan 2021 12:42:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=daynix-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=cP5ueAi9y+O3krqgK3UyLK5m0SKkF5/Zu4Expc80iEI=; b=B3/OFRrIzdKd7C0zQ/SCd0rQSRNmr9p2p6e5ipqlzvIPFXZh44UYGHa4q7F1N66YLf NTUthl/F5xIO98c5qbrIu0LThihff8kaKIv45+0nWQ2vdBY4ICDp+VJq+Gl4OXZXOREo srLke916fq+mNaqxl7Ge39Knu9lCCnG4wh13VwH2siRicjvOOu+luaD4oZA9cpKNiZzv 2WhmxZH2XLU+SoHUQLASmrOzX/ihqfoGQgQCSRZb28d7oPnbTV1Y9wItkbhvJzvsrWNo nop7IK8xYLCbF6+VRgW0xeL+JQHuJY//XL3EQCyAljxiiHyVbxELuhM03ebcWRUN9uVw 5HFg== 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=cP5ueAi9y+O3krqgK3UyLK5m0SKkF5/Zu4Expc80iEI=; b=Xe2Ryv2ugA/GAdkLx+F1TzmGYiMCC7koHc5WAoJSYnm6NAL2uiAXK6XdUmV4cqc/AF kEN5273utAv353LSkJBFHiutp6QdP5r8nRA48UR4sTNaRJzsbpQZYU7GZ2Kt+m+xKvFC On4oftF5zkNi7jKtHTvmqET6Tujh7LkbKfzVTRt0z+rj4ShEMTgz9mET29wPG9UOscvK siu3v5MMC7cU2L3ek+Iaq7GLFjqfpQ94cA2I1YK/k0EAOQKQezBP+nn9H4++3utt1CLG KBS6t2i5pk+IlXs8wZkUCh7yNZeXw4W54uiimI4vagkdsb/s4+KleBtjFmk2kV1PrmwR lNug== X-Gm-Message-State: AOAM531y4t9gAF2d4hZnBsI2e7iPAkvazkFi/CuodLefFxLUqT16wi+y A/NZPoQN8jigZWVX5cZ78nl4+g== X-Google-Smtp-Source: ABdhPJyQzGhBksP+ybmAXbQtFmeW+dYvkpVBPi0zB09vciWMZ8DfZsigRwsbCf3rPi2O+MBPjwo+Wg== X-Received: by 2002:a19:5e5b:: with SMTP id z27mr4026173lfi.143.1610656961570; Thu, 14 Jan 2021 12:42:41 -0800 (PST) Received: from navi.cosmonova.net.ua ([95.67.24.131]) by smtp.gmail.com with ESMTPSA id t20sm565833ljk.58.2021.01.14.12.42.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Jan 2021 12:42:40 -0800 (PST) From: Andrew Melnychenko To: jasowang@redhat.com, mst@redhat.com Subject: [RFC PATCH v3 2/6] net: Added SetSteeringEBPF method for NetClientState. Date: Thu, 14 Jan 2021 23:16:08 +0200 Message-Id: <20210114211612.387052-3-andrew@daynix.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210114211612.387052-1-andrew@daynix.com> References: <20210114211612.387052-1-andrew@daynix.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: none client-ip=2a00:1450:4864:20::131; envelope-from=andrew@daynix.com; helo=mail-lf1-x131.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: yan@daynix.com, yuri.benditovich@daynix.com, berrange@redhat.com, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Andrew For now, that method supported only by Linux TAP. Linux TAP uses TUNSETSTEERINGEBPF ioctl. Signed-off-by: Andrew Melnychenko --- include/net/net.h | 2 ++ net/tap-bsd.c | 5 +++++ net/tap-linux.c | 13 +++++++++++++ net/tap-solaris.c | 5 +++++ net/tap-stub.c | 5 +++++ net/tap.c | 9 +++++++++ net/tap_int.h | 1 + 7 files changed, 40 insertions(+) diff --git a/include/net/net.h b/include/net/net.h index 919facaad2..d77fbb8878 100644 --- a/include/net/net.h +++ b/include/net/net.h @@ -61,6 +61,7 @@ typedef int (SetVnetBE)(NetClientState *, bool); typedef struct SocketReadState SocketReadState; typedef void (SocketReadStateFinalize)(SocketReadState *rs); typedef void (NetAnnounce)(NetClientState *); +typedef bool (SetSteeringEBPF)(NetClientState *, int); typedef struct NetClientInfo { NetClientDriver type; @@ -82,6 +83,7 @@ typedef struct NetClientInfo { SetVnetLE *set_vnet_le; SetVnetBE *set_vnet_be; NetAnnounce *announce; + SetSteeringEBPF *set_steering_ebpf; } NetClientInfo; struct NetClientState { diff --git a/net/tap-bsd.c b/net/tap-bsd.c index 77aaf674b1..4f64f31e98 100644 --- a/net/tap-bsd.c +++ b/net/tap-bsd.c @@ -259,3 +259,8 @@ int tap_fd_get_ifname(int fd, char *ifname) { return -1; } + +int tap_fd_set_steering_ebpf(int fd, int prog_fd) +{ + return -1; +} diff --git a/net/tap-linux.c b/net/tap-linux.c index b0635e9e32..9584769740 100644 --- a/net/tap-linux.c +++ b/net/tap-linux.c @@ -316,3 +316,16 @@ int tap_fd_get_ifname(int fd, char *ifname) pstrcpy(ifname, sizeof(ifr.ifr_name), ifr.ifr_name); return 0; } + +int tap_fd_set_steering_ebpf(int fd, int prog_fd) +{ + if (ioctl(fd, TUNSETSTEERINGEBPF, (void *) &prog_fd) != 0) { + error_report("Issue while setting TUNSETSTEERINGEBPF:" + " %s with fd: %d, prog_fd: %d", + strerror(errno), fd, prog_fd); + + return -1; + } + + return 0; +} diff --git a/net/tap-solaris.c b/net/tap-solaris.c index 0475a58207..d85224242b 100644 --- a/net/tap-solaris.c +++ b/net/tap-solaris.c @@ -255,3 +255,8 @@ int tap_fd_get_ifname(int fd, char *ifname) { return -1; } + +int tap_fd_set_steering_ebpf(int fd, int prog_fd) +{ + return -1; +} diff --git a/net/tap-stub.c b/net/tap-stub.c index de525a2e69..a0fa25804b 100644 --- a/net/tap-stub.c +++ b/net/tap-stub.c @@ -85,3 +85,8 @@ int tap_fd_get_ifname(int fd, char *ifname) { return -1; } + +int tap_fd_set_steering_ebpf(int fd, int prog_fd) +{ + return -1; +} diff --git a/net/tap.c b/net/tap.c index b7512853f4..d0c1356a04 100644 --- a/net/tap.c +++ b/net/tap.c @@ -337,6 +337,14 @@ static void tap_poll(NetClientState *nc, bool enable) tap_write_poll(s, enable); } +static bool tap_set_steering_ebpf(NetClientState *nc, int prog_fd) +{ + TAPState *s = DO_UPCAST(TAPState, nc, nc); + assert(nc->info->type == NET_CLIENT_DRIVER_TAP); + + return tap_fd_set_steering_ebpf(s->fd, prog_fd) == 0; +} + int tap_get_fd(NetClientState *nc) { TAPState *s = DO_UPCAST(TAPState, nc, nc); @@ -362,6 +370,7 @@ static NetClientInfo net_tap_info = { .set_vnet_hdr_len = tap_set_vnet_hdr_len, .set_vnet_le = tap_set_vnet_le, .set_vnet_be = tap_set_vnet_be, + .set_steering_ebpf = tap_set_steering_ebpf, }; static TAPState *net_tap_fd_init(NetClientState *peer, diff --git a/net/tap_int.h b/net/tap_int.h index 225a49ea48..547f8a5a28 100644 --- a/net/tap_int.h +++ b/net/tap_int.h @@ -44,5 +44,6 @@ int tap_fd_set_vnet_be(int fd, int vnet_is_be); int tap_fd_enable(int fd); int tap_fd_disable(int fd); int tap_fd_get_ifname(int fd, char *ifname); +int tap_fd_set_steering_ebpf(int fd, int prog_fd); #endif /* NET_TAP_INT_H */ -- 2.30.0