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[2a10:fc81:a806:d6a9::1]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4801e93de40sm80693645e9.0.2026.01.19.01.08.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Jan 2026 01:08:53 -0800 (PST) Date: Mon, 19 Jan 2026 10:08:52 +0100 From: Stefano Brivio To: Yumei Huang Subject: Re: [PATCH v2] conf, pasta: Add --splice-only option Message-ID: <20260119100852.04b3e1d7@elisabeth> In-Reply-To: <20260116032509.1480589-1-yuhuang@redhat.com> References: <20260116032509.1480589-1-yuhuang@redhat.com> Organization: Red Hat X-Mailer: Claws Mail 4.2.0 (GTK 3.24.49; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: JQgfoMiXjHQp6W0pytAU1qLchnL3XQpYcNWzLERVNNc_1768813735 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Message-ID-Hash: ZAROE77WQFJR6R7JCPK3T36XEBXIRR3I X-Message-ID-Hash: ZAROE77WQFJR6R7JCPK3T36XEBXIRR3I X-MailFrom: sbrivio@redhat.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: passt-dev@passt.top, david@gibson.dropbear.id.au X-Mailman-Version: 3.3.8 Precedence: list List-Id: Development discussion and patches for passt Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On Fri, 16 Jan 2026 11:25:09 +0800 Yumei Huang wrote: > This patch introduces a mode where we only forward loopback connections > and traffic between two namespaces (via the loopback interface, 'lo'), > without a tap device. > > It might be used to fix up podman IPv4 / IPv6 loopback mapping when using > rootlesskit for forwarding ports, or a way to implement isolated containers. > > In this mode, --host-lo-to-ns-lo and --no-icmp are automatically enabled. > Option --no-splice is rejected. > > Link: https://bugs.passt.top/show_bug.cgi?id=149 > Signed-off-by: Yumei Huang Applied. -- Stefano