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net/mlx5_core: Add flow steering base data structures

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Introducing the base data structure and its operations that are
going to represent ConnectX-4 Flow Steering, this data structure
is basically a tree and all Flow steering objects such as
(Flow Table/Flow Group/FTE/etc ..) are represented as fs_node(s).

fs_node is the base object which describes a basic tree node, with the
following extra info:
    type: describes the runtime type of the node (Object).
    lock: lock this node sub-tree.
    ref_count: number of children + current references.
    remove_func: a generic destructor.

fs_node types will be used and explained once the usage is added in the
following patches.

Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Maor Gottlieb 2015-12-10 17:12:40 +02:00 • committed by David S. Miller
commit de8575e014
3 changed files with 123 additions and 1 deletions
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