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Tue, 11 Nov 2025 13:49:01 -0800 (PST) Received: from inifinity.mandelbit.com ([2001:67c:2fbc:1:125b:1047:4c6f:63b0]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-42b322d533dsm19478495f8f.0.2025.11.11.13.49.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Nov 2025 13:49:01 -0800 (PST) From: Antonio Quartulli To: netdev@vger.kernel.org Cc: Sabrina Dubroca , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Ralf Lici , Antonio Quartulli Subject: [PATCH net-next 7/8] ovpn: use bound device in UDP when available Date: Tue, 11 Nov 2025 22:47:40 +0100 Message-ID: <20251111214744.12479-8-antonio@openvpn.net> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251111214744.12479-1-antonio@openvpn.net> References: <20251111214744.12479-1-antonio@openvpn.net> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Ralf Lici Use the socket’s bound network interface if it’s explicitly specified via the --bind-dev option in openvpn. Signed-off-by: Ralf Lici Signed-off-by: Antonio Quartulli --- drivers/net/ovpn/udp.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/ovpn/udp.c b/drivers/net/ovpn/udp.c index d6a0f7a0b75d..328819f27e1e 100644 --- a/drivers/net/ovpn/udp.c +++ b/drivers/net/ovpn/udp.c @@ -154,6 +154,7 @@ static int ovpn_udp4_output(struct ovpn_peer *peer, struct ovpn_bind *bind, .fl4_dport = bind->remote.in4.sin_port, .flowi4_proto = sk->sk_protocol, .flowi4_mark = sk->sk_mark, + .flowi4_oif = sk->sk_bound_dev_if, }; int ret; @@ -231,7 +232,8 @@ static int ovpn_udp6_output(struct ovpn_peer *peer, struct ovpn_bind *bind, .fl6_dport = bind->remote.in6.sin6_port, .flowi6_proto = sk->sk_protocol, .flowi6_mark = sk->sk_mark, - .flowi6_oif = bind->remote.in6.sin6_scope_id, + .flowi6_oif = sk->sk_bound_dev_if ?: + bind->remote.in6.sin6_scope_id, }; local_bh_disable(); -- 2.51.0