From nobody Mon Feb 9 19:37:46 2026 Received: from sender11-of-o51.zoho.eu (sender11-of-o51.zoho.eu [31.186.226.237]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9C6105CBC for ; Mon, 10 Oct 2022 22:18:38 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; t=1665440308; cv=none; d=zohomail.eu; s=zohoarc; b=Vc6erHVIv5oQZJrth1fWiV74kkyPC5jc40i32EfclHI0L7w7EUTr5j8WVjL2Lb3g9tMw8BghtZ4+GrzwWVorP9RiUVd8o+eb9F6rQ5R+uTu8rcOW9rbbW3sJOyxwpusXXEZO/Vt0vCQP/Rb//UO5b7207g15tD7pZ1OSdzTgUVw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.eu; s=zohoarc; t=1665440308; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:To; bh=pNu48RZme7ExKQiNWIIrnxNBbaEyThENQeRocKx8Nq8=; b=j0lCBro+XoCoDGQ8+/MBm2CirovFgQlh3IHA22sAW/xEvZ4trHGiEl+TJWhQDHddgFe1SjtZNrNMeFDTMpcsnpqIXpnbk33o4B4ClMgyQ7b0SKQrgVBsFMbau4wqvyyRaCKCafTGBMFt3FUPlZri0gg0fly4/ktGRCwD8yd5NZI= ARC-Authentication-Results: i=1; mx.zohomail.eu; dkim=pass header.i=shytyi.net; spf=pass smtp.mailfrom=dmytro@shytyi.net; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1665440308; s=hs; d=shytyi.net; i=dmytro@shytyi.net; h=From:From:To:To:Cc:Cc:Message-ID:Subject:Subject:Date:Date:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Content-Type:Message-Id:Reply-To; bh=pNu48RZme7ExKQiNWIIrnxNBbaEyThENQeRocKx8Nq8=; b=WuhQC5iEpMrBbuarmfdOebAntouuqVIPJy7v/wDEa9+eKGZ0rQpfmAnrhhFzAOWi ks9uN79MHYifrp5k09gGPqgKXCX+WbXE4HSGM88LIx3bhBdOqGD/q8L3Uz8xt0TUEif +NZj3AIZqVo50cStHhNw06s8toh7OGFsBSiyAEfQ= Received: from localhost.localdomain (vps-940813d4.vps.ovh.net [198.244.188.50]) by mx.zoho.eu with SMTPS id 166544030751339.32648651547288; Tue, 11 Oct 2022 00:18:27 +0200 (CEST) From: Dmytro Shytyi To: mptcp@lists.linux.dev Cc: Dmytro Shytyi Message-ID: <20221010221809.1792-5-dmytro@shytyi.net> Subject: [RFC PATCH mptcp-next v14 4/5] mptcp: add TCP_FASTOPEN sock option Date: Mon, 10 Oct 2022 22:18:08 +0000 X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221010221809.1792-1-dmytro@shytyi.net> References: <20221010221809.1792-1-dmytro@shytyi.net> Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMailClient: External Content-Type: text/plain; charset="utf-8" We add the TCP_FASTOPEN socket option in this patch that is going to be set by the listener side. Signed-off-by: Dmytro Shytyi --- net/mptcp/sockopt.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c index f85e9bbfe86f..7f6977295256 100644 --- a/net/mptcp/sockopt.c +++ b/net/mptcp/sockopt.c @@ -559,6 +559,7 @@ static bool mptcp_supported_sockopt(int level, int optn= ame) case TCP_NOTSENT_LOWAT: case TCP_TX_DELAY: case TCP_INQ: + case TCP_FASTOPEN: case TCP_FASTOPEN_CONNECT: case TCP_FASTOPEN_NO_COOKIE: return true; @@ -569,7 +570,7 @@ static bool mptcp_supported_sockopt(int level, int optn= ame) /* TCP_REPAIR, TCP_REPAIR_QUEUE, TCP_QUEUE_SEQ, TCP_REPAIR_OPTIONS, * TCP_REPAIR_WINDOW are not supported, better avoid this mess */ - /* TCP_FASTOPEN_KEY, TCP_FASTOPEN are not supported because + /* TCP_FASTOPEN_KEY is not supported because * fastopen for the listener side is currently unsupported */ } @@ -801,6 +802,7 @@ static int mptcp_setsockopt_sol_tcp(struct mptcp_sock *= msk, int optname, /* See tcp.c: TCP_DEFER_ACCEPT does not fail */ mptcp_setsockopt_first_sf_only(msk, SOL_TCP, optname, optval, optlen); return 0; + case TCP_FASTOPEN: case TCP_FASTOPEN_CONNECT: case TCP_FASTOPEN_NO_COOKIE: return mptcp_setsockopt_first_sf_only(msk, SOL_TCP, optname, @@ -1166,6 +1168,7 @@ static int mptcp_getsockopt_sol_tcp(struct mptcp_sock= *msk, int optname, case TCP_INFO: case TCP_CC_INFO: case TCP_DEFER_ACCEPT: + case TCP_FASTOPEN: case TCP_FASTOPEN_CONNECT: case TCP_FASTOPEN_NO_COOKIE: return mptcp_getsockopt_first_sf_only(msk, SOL_TCP, optname, --=20 2.34.1