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In some case, we don't care the enc_src_ip and enc_dst_ip, and if we don't match the field enc_src_ip and enc_dst_ip, we can use fewer flows in hardware when revice the tunnel packets. For example, the tunnel packets may be sent from different hosts, we must offload one rule for each host. $ tc filter add dev vxlan0 protocol ip parent ffff: prio 1 \ flower dst_mac 00:11:22:33:44:00 \ enc_src_ip Host0_IP enc_dst_ip 2.2.2.100 \ enc_dst_port 4789 enc_key_id 100 \ action tunnel_key unset action mirred egress redirect dev eth0_1 $ tc filter add dev vxlan0 protocol ip parent ffff: prio 1 \ flower dst_mac 00:11:22:33:44:00 \ enc_src_ip Host1_IP enc_dst_ip 2.2.2.100 \ enc_dst_port 4789 enc_key_id 100 \ action tunnel_key unset action mirred egress redirect dev eth0_1 If we support flows which only match the enc_key_id and enc_dst_port, a flow can process the packets sent to VM which (mac 00:11:22:33:44:00). $ tc filter add dev vxlan0 protocol ip parent ffff: prio 1 \ flower dst_mac 00:11:22:33:44:00 \ enc_dst_port 4789 enc_key_id 100 \ action tunnel_key unset action mirred egress redirect dev eth0_1 Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com> Reviewed-by: Roi Dayan <roid@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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.