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f0c16ba893
When we send a packet for our own local address on a non-loopback interface (e.g. eth0), due to the change had been introduced from commit0b922b7a82("net: original ingress device index in PKTINFO"), the original ingress device index would be set as the loopback interface. However, the packet should be considered as if it is being arrived via the sending interface (eth0), otherwise it would break the expectation of the userspace application (e.g. the DHCPRELEASE message from dhcp_release binary would be ignored by the dnsmasq daemon, since it come from lo which is not the interface dnsmasq bind to) Fixes:0b922b7a82("net: original ingress device index in PKTINFO") Acked-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: Wei Zhang <asuka.com@163.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.