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=-16.8 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 160B0C43332 for ; Tue, 5 Jan 2021 12:26:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E059F22AAC for ; Tue, 5 Jan 2021 12:26:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730067AbhAEM0e (ORCPT ); Tue, 5 Jan 2021 07:26:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37484 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728711AbhAEM0a (ORCPT ); Tue, 5 Jan 2021 07:26:30 -0500 Received: from mail-wr1-x42e.google.com (mail-wr1-x42e.google.com [IPv6:2a00:1450:4864:20::42e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 97888C0617B1 for ; Tue, 5 Jan 2021 04:24:41 -0800 (PST) Received: by mail-wr1-x42e.google.com with SMTP id t30so36020661wrb.0 for ; Tue, 05 Jan 2021 04:24:41 -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; bh=vUG4KrkwS/48VCqb3gPEYEavBv7WJyPV6SrQz/KaLAM=; b=JguxiQSaUv6GGwqarkI4f+dXsBJW3n0KkyJDT3BnbU1VaRJXjiAGj0JuAujNpX7oJp 4+1wushqPCLsluacp/kpfkNPv0w1FjcYLdcO9VFhA0A04eKqBcNKVgjJRbAMw0v0ac1r 7VpQqn/J1idqy6nzVKnjdQyJn89kLUBslkXVS6NZtFBkz86LQi1Fp8u6dw+GW35RLzBs uhy9Fktpf7b/oXCfl2vEqDcKR2gmxfyVngJgf6WU3F0uFyKOn0pYpNnZ8reEhaeVXuB+ wQ8YJRPOu6Lv4BWQ+LVyl7fBWbVJQU7f7qe5NwHyza9IBEb7CmWpD+Y3Yy4VbUgQryBy FK/Q== 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; bh=vUG4KrkwS/48VCqb3gPEYEavBv7WJyPV6SrQz/KaLAM=; b=Gm5NVyfOTLI+6Xla7iflnnP3IFTAuhl77Xs236YaBy9ySK7k3wQuGYj2yoCNk5WpWm N3GujEmrkgYvPHaOJp7awsxs/YsXjUV6S7T+fTZxhXkYgTPWRBjTPRe3QHuvUvC6orOD 2nU6u/cyP1Kbqn2vzS9ui+EkEI4Zmr+hqCoTBnWAsfi1WJHPFFj0I4tIJq/sopjcZHhj 8F1c9l+XJTGLlAKNzsbSwLUJdxGhGi+wpN/8YRJ7r3fzV5viY/dOyL5lI+RbmoaLo0Pv 3V5DsPsl4LerCMwpSq7QbFPn/Tbnw/A5h2ZH51HjaUsb1peQfdT/B1tSEHdEvOIbwCbe NTqw== X-Gm-Message-State: AOAM530KAI3CzPop19sh7ZB9caGAuoe5ECa3p9KiVNDD0jkOUIZJIvoF 1EMsI91j834vbLeZX66sK15sdg== X-Google-Smtp-Source: ABdhPJxyHqkDMckR34D6J0/zEz5z+4AYLnYjJYaIBFFxajHjIK8UpmQDSJm/1GZJWoM1KCiS6UmSig== X-Received: by 2002:adf:b519:: with SMTP id a25mr72616195wrd.263.1609849480376; Tue, 05 Jan 2021 04:24:40 -0800 (PST) Received: from f2.redhat.com (bzq-79-183-72-147.red.bezeqint.net. [79.183.72.147]) by smtp.gmail.com with ESMTPSA id 138sm4242281wma.41.2021.01.05.04.24.39 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 05 Jan 2021 04:24:39 -0800 (PST) From: Yuri Benditovich To: "David S. Miller" , Jakub Kicinski Cc: yan@daynix.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH 7/7] tun: report new tun feature IFF_HASH Date: Tue, 5 Jan 2021 14:24:16 +0200 Message-Id: <20210105122416.16492-8-yuri.benditovich@daynix.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210105122416.16492-1-yuri.benditovich@daynix.com> References: <20210105122416.16492-1-yuri.benditovich@daynix.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org IFF_HASH feature indicates that the tun supports TUNSETHASHPOPULATION ioctl and can propagate the hash data to the virtio-net packet. Signed-off-by: Yuri Benditovich --- drivers/net/tun.c | 2 +- include/uapi/linux/if_tun.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 214feb0b16fb..b46aa8941a9d 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -88,7 +88,7 @@ static void tun_default_link_ksettings(struct net_device *dev, #define TUN_VNET_LE 0x80000000 #define TUN_VNET_BE 0x40000000 -#define TUN_FEATURES (IFF_NO_PI | IFF_ONE_QUEUE | IFF_VNET_HDR | \ +#define TUN_FEATURES (IFF_NO_PI | IFF_ONE_QUEUE | IFF_VNET_HDR | IFF_HASH |\ IFF_MULTI_QUEUE | IFF_NAPI | IFF_NAPI_FRAGS) #define GOODCOPY_LEN 128 diff --git a/include/uapi/linux/if_tun.h b/include/uapi/linux/if_tun.h index 0fd43533da26..116b84ede3a0 100644 --- a/include/uapi/linux/if_tun.h +++ b/include/uapi/linux/if_tun.h @@ -73,6 +73,7 @@ #define IFF_ONE_QUEUE 0x2000 #define IFF_VNET_HDR 0x4000 #define IFF_TUN_EXCL 0x8000 +#define IFF_HASH 0x0080 #define IFF_MULTI_QUEUE 0x0100 #define IFF_ATTACH_QUEUE 0x0200 #define IFF_DETACH_QUEUE 0x0400 -- 2.17.1