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net/mlx5e: IPoIB, Use hash-table to map between QPN to child netdev

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This change is needed for PKEY support, since the RQs are shared
between the child interface and the parent. The parent is responsible
for NAPI and the precessing of RX completions. Using the dqpn in the
completion descriptor we set the corresponding child IPoIB netdevice
on the SKB.
The mapping between the dqpn and the netdevice is done using a HT,
each mlx5 IPoIB interface registers its mapping on creation.

Signed-off-by: Alex Vesker <valex@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
This commit is contained in:
Alex Vesker 2017-09-14 10:27:25 +03:00 • committed by Saeed Mahameed
commit 7e7f4780c3
5 changed files with 184 additions and 2 deletions
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