From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f48.google.com (mail-pj1-f48.google.com [209.85.216.48]) (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 479CF5F for ; Mon, 29 Mar 2021 10:40:56 +0000 (UTC) Received: by mail-pj1-f48.google.com with SMTP id q6-20020a17090a4306b02900c42a012202so5705575pjg.5 for ; Mon, 29 Mar 2021 03:40:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=gr19O/KR3TgER2zbnwZ3lflTbpA6uf1N1OMR65tI024=; b=dOAzciQlXypNpUUsREzDjCBuFSUkRUxAr98K2+6WFKXEsVLRx66eJskqIG6PcFhNoQ Z41DudMpgqZK9qhFUDr0KSYi/MKNtvCR0Ukit6vdyhTS8uVPs8Vrfcr+/TEyU9kF4N7H yGtv1W9QSjZQt42bhMIYg30J1IQP4dsFvrE0RAS2IVyK9nax4iQrxzwa7TzrRMQWKmoc HQcMaNVgMhxcimBkKDJAt7PIwYFL2u6cj+VwusBFkQr6V55eqNB32sKy4aWpbM8HzUXZ Bp5bE6n2jrCdNvycWtm/DjPiZ9ZzR1pZ1cBENzQWm5H7KxqhogzGbgpkUYGy0LYzyW+q Gh9Q== 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=gr19O/KR3TgER2zbnwZ3lflTbpA6uf1N1OMR65tI024=; b=dKR5UlIuLg/8J1yrMv4M0Ma+150G7quwStslryuBEKGxg1x6zvXVnzqIGT0ailvVv1 IMiP2jL8JCOU/3WaOAG0c/PgeCjP3p0rUm64KvgRHy/HrR2X6EGck6mQaWm55Pse+12R 63ZgTJ6TGkDep4sp60KuJzzdmgGcr6vPDZVaAnOnCPpay0jBRKdTIRtox6N3S7TeMDgX pN1bZwLm0JiQ9Ik4gb+7tjJTmwom/GR+CsugBLv6oe4Y5dpTbqTWhGKLp4kxlMH4SILa AQpzgLRVTvQCOAIg4Hxby3WXS06SXHkuRiK/EMRIWy3UKlISPNaN1B6mEL/Hu7BVnytd XG6Q== X-Gm-Message-State: AOAM531Racjq/PqVD6sJEl94ff4hH+Zc5g1Z3jKr0ACqfErvZu9QhD83 oZBXajmjd8tqU6mOH/dNfwR0RzW5cd7vgg== X-Google-Smtp-Source: ABdhPJyll3F6TDjyS+cWw58wARZDgiwfWT5zApaRdOzrN6aP0yMkV6kBmvh2/Kq0Yxb2ugzATwOmqQ== X-Received: by 2002:a17:90a:8908:: with SMTP id u8mr25080337pjn.135.1617014455577; Mon, 29 Mar 2021 03:40:55 -0700 (PDT) Received: from localhost ([43.224.245.180]) by smtp.gmail.com with ESMTPSA id f23sm16322861pfa.85.2021.03.29.03.40.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Mar 2021 03:40:55 -0700 (PDT) From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [MPTCP][PATCH v2 mptcp-next 01/16] mptcp: add csum_enabled in mptcp_sock Date: Mon, 29 Mar 2021 18:40:32 +0800 Message-Id: X-Mailer: git-send-email 2.30.2 In-Reply-To: References: X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This patch added a new member named csum_enabled in struct mptcp_sock, used a dummy mptcp_is_checksum_enabled() helper to initialize it. Signed-off-by: Geliang Tang --- net/mptcp/protocol.c | 1 + net/mptcp/protocol.h | 2 ++ 2 files changed, 3 insertions(+) diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 0265b8be0f84..56103814afed 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -2368,6 +2368,7 @@ static int __mptcp_init_sock(struct sock *sk) msk->ack_hint = NULL; msk->first = NULL; inet_csk(sk)->icsk_sync_mss = mptcp_sync_mss; + WRITE_ONCE(msk->csum_enabled, mptcp_is_checksum_enabled(sock_net(sk))); mptcp_pm_data_init(msk); diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 20770fe39ea5..826019bb2093 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -233,6 +233,7 @@ struct mptcp_sock { bool snd_data_fin_enable; bool rcv_fastclose; bool use_64bit_ack; /* Set when we received a 64-bit DSN */ + bool csum_enabled; spinlock_t join_list_lock; struct sock *ack_hint; struct work_struct work; @@ -519,6 +520,7 @@ static inline void mptcp_subflow_delegated_done(struct mptcp_subflow_context *su int mptcp_is_enabled(struct net *net); unsigned int mptcp_get_add_addr_timeout(struct net *net); +static inline int mptcp_is_checksum_enabled(struct net *net) { return false; } void mptcp_subflow_fully_established(struct mptcp_subflow_context *subflow, struct mptcp_options_received *mp_opt); bool mptcp_subflow_data_available(struct sock *sk); -- 2.30.2