From nobody Sat Oct 11 09:59:54 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 0DF8122ACEB for ; Tue, 23 Sep 2025 09:33:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758619989; cv=none; b=PLzhUSFD6vC30ZE482pElDimA60tIDwxpEPRr8RWzeQl2AH6GR37hiYPcrfOOPw9JWV1eySiXde2X80AB3AMwV4FqvdUpLu4/rfT+rsCJTcAb1JAkJSN+7f9/LSyDnFXavRujTW0bdlFGx9G7s6iUBeFBOW24A9468fcm6kHV2s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758619989; c=relaxed/simple; bh=2/0PjhEFbIJRwQxqp5w/H2uKVwclF8Nq+lpJHWw53ZE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=UVs33v/URgPr151c+N03rJMl2ZdkTViCudnPaUeac+pF6Dm3sd1s4QV2LNkU2x9CNapwsWKZCAwPVxjlD02hAJd6+POxz/7H0HW9yLaZqv1jtbuKbvTpRAeOvrJ2A2v+RsZFrUm8YIL2fB+6iiwtpdNCZJcL41j7728MHi4u2wE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gd9hV/8X; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gd9hV/8X" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2B5CBC116C6; Tue, 23 Sep 2025 09:33:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758619988; bh=2/0PjhEFbIJRwQxqp5w/H2uKVwclF8Nq+lpJHWw53ZE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=gd9hV/8Xn//5mmo/MVijjPnOXPPmIKwDem78wHRISJ+yvNmevCTSZatQRheIfoiLe 7gJIP9MefkMZhATlqhAuIvAGvtU4aZfqXOQv0V87FmFwS3VJZWiYxGmVWc+CBh5d7e d8M6uyU3TwX85922pet2pD9bB4haE99p0Vv/4sbJ8wchZy7jCRZ1dwY/jOOS7Dzbhx dR1p4VRVocKFbw5xHzQRMcN4oIZ/vPpHFg9ApRB3lrBu5oEH/BwRdm9+FXsYBNXfsO uQRIwvP8s5/jYXDZGhigyaXoVcDcL7F8+Sow9pIrmLn3pmLXZGrNjR1qTvosvxC63Y eStfbKDYrY6Zg== From: "Matthieu Baerts (NGI0)" Date: Tue, 23 Sep 2025 11:32:50 +0200 Subject: [PATCH mptcp-next v2 4/6] Squash to "mptcp: pm: in-kernel: usable client side with C-flag" Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250923-pm-kern-endp-add_addr-new-v2-4-ee5369dad569@kernel.org> References: <20250923-pm-kern-endp-add_addr-new-v2-0-ee5369dad569@kernel.org> In-Reply-To: <20250923-pm-kern-endp-add_addr-new-v2-0-ee5369dad569@kernel.org> To: MPTCP Upstream Cc: "Matthieu Baerts (NGI0)" X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1194; i=matttbe@kernel.org; h=from:subject:message-id; bh=2/0PjhEFbIJRwQxqp5w/H2uKVwclF8Nq+lpJHWw53ZE=; b=owGbwMvMwCVWo/Th0Gd3rumMp9WSGDIuZfrO9Nz7/f4m44v7n229nMLI+NpLp/jTkjTBxbcY9 t/edLpTqqOUhUGMi0FWTJFFui0yf+bzKt4SLz8LmDmsTCBDGLg4BWAiWzoY/grHPLy+Y2XMqf0a OTdji9/bhf/1M3vh+s3Z5OobuS1VVjcZ/mnKP8k1D7JdoOVo92iyxoVLl3aKz7yRbuF1aN3jw4I OcSwA X-Developer-Key: i=matttbe@kernel.org; a=openpgp; fpr=E8CB85F76877057A6E27F77AF6B7824F4269A073 In this special case (fullmesh + subflow + c-flag), local_addr_used should be incremented for new subflows not involving local ID0. Similar to what is done when receiving an ADD_ADR in the non-fullmesh case, or in the subflow only case. Signed-off-by: Matthieu Baerts (NGI0) --- net/mptcp/pm_kernel.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/net/mptcp/pm_kernel.c b/net/mptcp/pm_kernel.c index aaaa684d86239fbfa4e237590fc274fa9b7b0347..116d62ed86f78b0242a33a67f77= ff875ba00ae30 100644 --- a/net/mptcp/pm_kernel.c +++ b/net/mptcp/pm_kernel.c @@ -431,9 +431,13 @@ fill_local_addresses_vec_fullmesh(struct mptcp_sock *m= sk, local->flags =3D entry->flags; local->ifindex =3D entry->ifindex; =20 - if (c_flag_case && (entry->flags & MPTCP_PM_ADDR_FLAG_SUBFLOW)) + if (c_flag_case && (entry->flags & MPTCP_PM_ADDR_FLAG_SUBFLOW)) { __clear_bit(local->addr.id, msk->pm.id_avail_bitmap); =20 + if (local->addr.id !=3D msk->mpc_endpoint_id) + msk->pm.local_addr_used++; + } + /* Special case for ID0: set the correct ID */ if (local->addr.id =3D=3D msk->mpc_endpoint_id) local->addr.id =3D 0; --=20 2.51.0