From nobody Sat Oct 11 09:56:26 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 F2FF62F5461 for ; Mon, 22 Sep 2025 22:24:10 +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=1758579851; cv=none; b=XJKskuLpLlBgkRYNC9nNXKAXJJ/vUcwZ9PNcJFZvWgsYVnlwltXVJZ6uKZcch/uwccdvVgAo2A/kzRJsE0b0EqCxwWNJhf+X6Zb/mIiYfGl1AKQ/Mz6XCunWQZHWPM4i6Ags0+qVap6O4gtd97ZG/gZInFW2USVfdgFhbmVf5ao= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758579851; c=relaxed/simple; bh=Y8yJHpii9RXE/FJyTzW3nCREeNSe2DRb5iXhHumwCXM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=reowC1neq3nrHwUtG8IIVO8g00ZxNkcoTjaRZ3vyIFrFDqdIBITeLYPsPaVBtebmjAQT688FjWekEQL030oezbgHXpg/8Ecu96wJEj0a9iT3nrxrb5b8eqyapZr7LiSH5Lh2Pl2MoL1KFePsIN1Qw939kI3A6CMcAlvK7jLFHng= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DxyZzRcS; 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="DxyZzRcS" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1CD40C4CEF7; Mon, 22 Sep 2025 22:24:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758579850; bh=Y8yJHpii9RXE/FJyTzW3nCREeNSe2DRb5iXhHumwCXM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=DxyZzRcSko4XrldNWcWsTF0VFvrNwXro/mbRpsvNWYkNSZNgD1mhhW+ITaJIEgbBV SngxhTfkp9MLI1I7QA8eM2hY7JkSmDo8ew89DsehY/LjudQRNTPNbvIpe5yZ+Gg0rR fUXK7+BcHu7781RrBoTFmrdF8KbDx/6G1dy28dyDozQzzSkUybNoWjyjOUZQdbQAeL R3jFIVqniYQn7PNaE6+ZEySkaoZtCgGoDav7bIvNd9iJVYPyPi7fIrw5kGw0R4aBpI b3QMl+1BxpydsHRNavGkBGZHmnRG85O+SJoNpOeUT66V9eFaWybcCMFevv9dreKBZU sihMDM9VwoP9Q== From: "Matthieu Baerts (NGI0)" Date: Tue, 23 Sep 2025 00:23:55 +0200 Subject: [PATCH mptcp-next 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-v1-4-60e3a8968f45@kernel.org> References: <20250923-pm-kern-endp-add_addr-new-v1-0-60e3a8968f45@kernel.org> In-Reply-To: <20250923-pm-kern-endp-add_addr-new-v1-0-60e3a8968f45@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=Y8yJHpii9RXE/FJyTzW3nCREeNSe2DRb5iXhHumwCXM=; b=owGbwMvMwCVWo/Th0Gd3rumMp9WSGDIunmleI7Pn6OGMObmBOU0PBPXnPNdZKzit/+IW7o0Wf 5iX7Sje01HKwiDGxSArpsgi3RaZP/N5FW+Jl58FzBxWJpAhDFycAjARj2mMDOtWBS+ZckuymMVn 4Z2yyLdxd5a5xG7cwSBhL7ZuNnv2HgeG/wXsbLte/3n7hXG3sMcqTf/lqW8tJ73yNY9cu/j54RX 2x3gA 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 7be454196a41f625100a6e0d6cbf1ee360dff553..fbd0a4ade8469ee75d99083bf64= 0ad91a6fb714e 100644 --- a/net/mptcp/pm_kernel.c +++ b/net/mptcp/pm_kernel.c @@ -429,9 +429,13 @@ 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