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authorPascal Mazon <pascal.mazon@6wind.com>2017-03-23 09:33:57 +0100
committerFerruh Yigit <ferruh.yigit@intel.com>2017-04-04 18:59:46 +0200
commitde96fe68ae95990f5ce2cd4c8d9547ab62d2a810 (patch)
tree72e017a908a4537ad525598458da7914420fedbc /drivers/net/mlx5
parent7c25284e30c2984bea55760897239e5270c0c06c (diff)
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net/tap: add basic flow API patterns and actions
Supported flow rules are now mapped to TC rules on the tap netdevice. The netlink message used for creating the TC rule is stored in struct rte_flow. That way, by simply changing a metadata in it, we can require for the rule deletion without further parsing. Supported items: - eth: src and dst (with variable masks), and eth_type (0xffff mask). - vlan: vid, pcp, tpid, but not eid. - ipv4/6: src and dst (with variable masks), and ip_proto (0xffff mask). - udp/tcp: src and dst port (0xffff) mask. Supported actions: - DROP - QUEUE - PASSTHRU It is generally not possible to provide a "last" item. However, if the "last" item, once masked, is identical to the masked spec, then it is supported. Only IPv4/6 and MAC addresses can use a variable mask. All other items need a full mask (exact match). Support for VLAN requires kernel headers >= 4.9, checked using auto-config.sh. Signed-off-by: Pascal Mazon <pascal.mazon@6wind.com> Acked-by: Olga Shern <olgas@mellanox.com> Acked-by: Keith Wiles <keith.wiles@intel.com>
Diffstat (limited to 'drivers/net/mlx5')
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