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36b2f61a42
When stack receives pkt: [802.1P vlan 0][802.1AD vlan 100][IPv4], vlan_do_receive() returns false if it does not find vlan_dev. Later __netif_receive_skb_core() fails to find packet type handler for skb->protocol 801.1AD and drops the packet. 801.1P header with vlan id 0 should be handled as untagged packets. This patch fixes it by checking if vlan_id is 0 and processes next vlan header. Signed-off-by: Govindarajulu Varadarajan <gvaradar@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.