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=-17.6 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT, USER_IN_DEF_DKIM_WL 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 C1845C06510 for ; Tue, 2 Jul 2019 16:14:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9A8E1206A3 for ; Tue, 2 Jul 2019 16:14:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="BkjxXUjY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727024AbfGBQOU (ORCPT ); Tue, 2 Jul 2019 12:14:20 -0400 Received: from mail-pl1-f201.google.com ([209.85.214.201]:54934 "EHLO mail-pl1-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727002AbfGBQOU (ORCPT ); Tue, 2 Jul 2019 12:14:20 -0400 Received: by mail-pl1-f201.google.com with SMTP id u10so590030plq.21 for ; Tue, 02 Jul 2019 09:14:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=iX08Cq+hAin5aRe+l7YkBpA1Amc/tSXA9bkkEMMN9As=; b=BkjxXUjYGgNYTb5UC+1dEi/UQspXS8PFMNKqFhmzJLfVaU6e0W+VkX3C/NWWAsh862 y5fDKAxnwY7TfTMeslC43t1s1+ihAZyGhWLpy7BZUx7uCeizWp1crJTy59ve1wOJXPZP ylXXdNO4fhamkUVT6YzSOEave/ju/LI/IXMcn3osvKmZrtpvuaxS+r0JSzHHnEBQJ33N ObkJm3MWmnv2Gezlq0Gct04xCIvnNjW7iKZm+Q55frBNXe29+rmv0qg0syMR670mumHW XMD2pwYjJAFH51Ef8gZ5v23wPxLYx1dx928m3hT+hxVaSZ44ClEjAebQ2bo2Sbk1pa1I +IHg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=iX08Cq+hAin5aRe+l7YkBpA1Amc/tSXA9bkkEMMN9As=; b=ezrc0BetQ/Ah6PtON8yC2gw3rK1IMj4h9ugZn4BSO0OYn5z3QrLoyullGxZC3mHF3x SyZ8Q9qKCIMEZWK75dUSRagSb5x7DIPRfZ7bL0BY6xEUGTaWe2Hh9BNl98AaBT7OZgrZ oGBLnqPQI8yU8B/Tt/lTuQOEDlXWjBnZOZqkBOXu9LJibNTOi3ilpSvpTqIarmbNmgvn MIuiS7rJ8qEuhbGDHZ/OfASyLJDU8dX5LUK80bKr6M96MGMM2VeKh/XXRH9ElAX1iTPo ugFcv2cPNsrWNLvXGYNyvcQ7da5iiTEQr7v29g4Y0TobSc3fBAAkusYZUQGB0BV48Oue JYww== X-Gm-Message-State: APjAAAUHHX+oqbx7ddVrI6cFng+RlNbkZfoV3mxFan0uwQkx7+ChLyIg lnb2emm4MGHtIVxxB6aNg4iKL7U= X-Google-Smtp-Source: APXvYqy0bc8bLkSqe4UG+op8kQb2Bc7TmnVBqvF5K7BLjKJbDKJSjmmJhKu3rSO3Kgf+d+RDedYIXXw= X-Received: by 2002:a63:5c19:: with SMTP id q25mr32067737pgb.215.1562084059019; Tue, 02 Jul 2019 09:14:19 -0700 (PDT) Date: Tue, 2 Jul 2019 09:14:00 -0700 In-Reply-To: <20190702161403.191066-1-sdf@google.com> Message-Id: <20190702161403.191066-6-sdf@google.com> Mime-Version: 1.0 References: <20190702161403.191066-1-sdf@google.com> X-Mailer: git-send-email 2.22.0.410.gd8fdbe21b5-goog Subject: [PATCH bpf-next v2 5/8] bpf/tools: sync bpf.h From: Stanislav Fomichev To: netdev@vger.kernel.org, bpf@vger.kernel.org Cc: davem@davemloft.net, ast@kernel.org, daniel@iogearbox.net, Stanislav Fomichev , Eric Dumazet , Priyaranjan Jha , Yuchung Cheng , Soheil Hassas Yeganeh Content-Type: text/plain; charset="UTF-8" Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Sync new bpf_tcp_sock fields and new BPF_PROG_TYPE_SOCK_OPS RTT callback. Cc: Eric Dumazet Cc: Priyaranjan Jha Cc: Yuchung Cheng Cc: Soheil Hassas Yeganeh Acked-by: Soheil Hassas Yeganeh Acked-by: Yuchung Cheng Signed-off-by: Stanislav Fomichev --- tools/include/uapi/linux/bpf.h | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index a396b516a2b2..cecf42c871d4 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -1767,6 +1767,7 @@ union bpf_attr { * * **BPF_SOCK_OPS_RTO_CB_FLAG** (retransmission time out) * * **BPF_SOCK_OPS_RETRANS_CB_FLAG** (retransmission) * * **BPF_SOCK_OPS_STATE_CB_FLAG** (TCP state change) + * * **BPF_SOCK_OPS_RTT_CB_FLAG** (every RTT) * * Therefore, this function can be used to clear a callback flag by * setting the appropriate bit to zero. e.g. to disable the RTO @@ -3069,6 +3070,12 @@ struct bpf_tcp_sock { * sum(delta(snd_una)), or how many bytes * were acked. */ + __u32 dsack_dups; /* RFC4898 tcpEStatsStackDSACKDups + * total number of DSACK blocks received + */ + __u32 delivered; /* Total data packets delivered incl. rexmits */ + __u32 delivered_ce; /* Like the above but only ECE marked packets */ + __u32 icsk_retransmits; /* Number of unrecovered [RTO] timeouts */ }; struct bpf_sock_tuple { @@ -3311,7 +3318,8 @@ struct bpf_sock_ops { #define BPF_SOCK_OPS_RTO_CB_FLAG (1<<0) #define BPF_SOCK_OPS_RETRANS_CB_FLAG (1<<1) #define BPF_SOCK_OPS_STATE_CB_FLAG (1<<2) -#define BPF_SOCK_OPS_ALL_CB_FLAGS 0x7 /* Mask of all currently +#define BPF_SOCK_OPS_RTT_CB_FLAG (1<<3) +#define BPF_SOCK_OPS_ALL_CB_FLAGS 0xF /* Mask of all currently * supported cb flags */ @@ -3366,6 +3374,8 @@ enum { BPF_SOCK_OPS_TCP_LISTEN_CB, /* Called on listen(2), right after * socket transition to LISTEN state. */ + BPF_SOCK_OPS_RTT_CB, /* Called on every RTT. + */ }; /* List of TCP states. There is a build check in net/ipv4/tcp.c to detect -- 2.22.0.410.gd8fdbe21b5-goog