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9 Commits

Author SHA1 Message Date
Sasha Neftin
2a8807a765 igc: Remove obsolete nvm type 
i225 devices use only spi nvm type. This patch comes to tidy up
obsolete nvm types.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Nechama Kraus <nechamax.kraus@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
 2021-12-21 09:17:47 -08:00
Sasha Neftin
0182d1f3fa igc: Fix typo in i225 LTR functions 
The LTR maximum value was incorrectly written using the scale from
the LTR minimum value. This would cause incorrect values to be sent,
in cases where the initial calculation lead to different min/max scales.

Fixes: 707abf069548 ("igc: Add initial LTR support")
Suggested-by: Dima Ruinskiy <dima.ruinskiy@intel.com>
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Nechama Kraus <nechamax.kraus@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
 2021-12-15 11:09:29 -08:00
Sasha Neftin
b3d4f40562 igc: Fix overwrites return value 
drivers/net/ethernet/intel/igc/igc_i225.c:235 igc_write_nvm_srwr()
warn: loop overwrites return value 'ret_val'

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
 2021-04-16 13:15:45 -07:00
Sasha Neftin
c4cdb4efa2 igc: Fix prototype warning 
Correct report warnings in igc_i225.c

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Acked-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
 2021-03-23 11:34:02 -07:00
Kevin Lo
ebc8d12506 igc: set the default return value to -IGC_ERR_NVM in igc_write_nvm_srwr 
This patch sets the default return value to -IGC_ERR_NVM in
igc_write_nvm_srwr. Without this change it wouldn't lead to a shadow RAM
write EEWR timeout.

Fixes: ab4056126813 ("igc: Add NVM support")
Signed-off-by: Kevin Lo <kevlo@kevlo.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
 2021-02-01 10:04:43 -08:00
Sasha Neftin
707abf0695 igc: Add initial LTR support 
The LTR message on the PCIe inform the requested latency
on which the PCIe must become active to the downstream
PCIe port of the system.
This patch provide recommended LTR parameters by i225
specification.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
 2020-06-29 18:21:09 -07:00
Sasha Neftin
93ec439abe igc: Add initial EEE support 
IEEE802.3az-2010 Energy Efficient Ethernet has been
approved as standard (September 2010) and the driver
can enable and disable it via ethtool.
Disable the feature by default on parts which support it.
Add enable/disable eee options.
tx-lpi, tx-timer and advertise not supported yet.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Reviewed-by: Andre Guedes <andre.guedes@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
 2020-06-29 17:43:38 -07:00
Sasha Neftin
ab40561268 igc: Add NVM support 
Add code for NVM support and get MAC address, complete probe
method.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
 2018-10-17 13:52:00 -07:00
Sasha Neftin
c0071c7aa5 igc: Add HW initialization code 
Add code for hardware initialization and reset
Add code for semaphore handling

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
 2018-10-17 13:49:33 -07:00