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4 Commits

Author SHA1 Message Date
Heiner Kallweit
aa0616a9bd IB/hfi1: switch to core handling of rx/tx byte/packet counters 
Use netdev->tstats instead of a member of hfi1_ipoib_dev_priv for storing
a pointer to the per-cpu counters. This allows us to use core
functionality for statistics handling.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2020-11-12 14:58:13 -08:00
Heiner Kallweit
3b51788a2d IB/hfi1: use new function dev_fetch_sw_netstats 
Simplify the code by using new function dev_fetch_sw_netstats().

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/6cad1a04-f021-d94b-45fd-7cc7cf07367d@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2020-10-13 17:33:48 -07:00
Grzegorz Andrejczuk
370caa5b58 IB/hfi1: Add rx functions for dummy netdev 
This patch adds the rx functions for the dummy netdev:
- Functions to allocate/free the dummy netdev.
- Functions to allocate/free receiving contexts for the netdev.
- Functions to initialize/de-initialize the receive queue.
- Functions to enable/disable the receive queue.

Link: https://lore.kernel.org/r/20200511160643.173205.75087.stgit@awfm-01.aw.intel.com
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Sadanand Warrier <sadanand.warrier@intel.com>
Signed-off-by: Grzegorz Andrejczuk <grzegorz.andrejczuk@intel.com>
Signed-off-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
 2020-05-21 11:23:56 -03:00
Gary Leshner
438d7dda98 IB/hfi1: Add the transmit side of a datagram ipoib RDMA netdev 
This implements the transmit side of the multiple transmit queue RDMA
netdev used to accelerate ipoib.  The receive side remains the ipoib
internal implementation.

The init/unint/open/stop netdev operations are saved off and called by the
versions within the hfi1 netdev in order to initialize the connected mode
resources present in ipoib thus allowing us to switch modes between
datagram and connected.

The datagram queue pair instantiated by the ipoib ulp is used by this
implementation for its queue pair number and to register with multicast.

The above queue pair is not used on transmit other than its qpn as the
verbs layer is skipped and packets are directly submitted to the sdma
engines.

Link: https://lore.kernel.org/r/20200511160554.173205.1369.stgit@awfm-01.aw.intel.com
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Gary Leshner <Gary.S.Leshner@intel.com>
Signed-off-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
 2020-05-21 11:23:54 -03:00