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| author | Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com> | 2022-12-14 19:29:07 +0300 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2023-01-03 20:35:37 +0300 |
| commit | b8897dc54e3bc9d25281bbb42a7d730782ff4588 (patch) | |
| tree | 6775fcae59da1542d7eed768171b63deae8ae979 /drivers/net/ethernet/intel/igc/igc_base.h | |
| parent | c183e6c3ec342624c43269c099050d01eeb67e63 (diff) | |
| download | linux-b8897dc54e3bc9d25281bbb42a7d730782ff4588.tar.xz | |
igc: remove I226 Qbv BaseTime restriction
Remove the Qbv BaseTime restriction for I226 so that the BaseTime can be
scheduled to the future time. A new register bit of Tx Qav Control
(Bit-7: FutScdDis) was introduced to allow I226 scheduling future time as
Qbv BaseTime and not having the Tx hang timeout issue.
Besides, according to datasheet section 7.5.2.9.3.3, FutScdDis bit has to
be configured first before the cycle time and base time.
Indeed the FutScdDis bit is only active on re-configuration, thus we have
to set the BASET_L to zero and then only set it to the desired value.
Please also note that the Qbv configuration flow is moved around based on
the Qbv programming guideline that is documented in the latest datasheet.
Co-developed-by: Tan Tee Min <tee.min.tan@linux.intel.com>
Signed-off-by: Tan Tee Min <tee.min.tan@linux.intel.com>
Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/igc/igc_base.h')
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_base.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_base.h b/drivers/net/ethernet/intel/igc/igc_base.h index ce530f5fd7bd..7a992befca24 100644 --- a/drivers/net/ethernet/intel/igc/igc_base.h +++ b/drivers/net/ethernet/intel/igc/igc_base.h @@ -7,6 +7,8 @@ /* forward declaration */ void igc_rx_fifo_flush_base(struct igc_hw *hw); void igc_power_down_phy_copper_base(struct igc_hw *hw); +bool igc_is_device_id_i225(struct igc_hw *hw); +bool igc_is_device_id_i226(struct igc_hw *hw); /* Transmit Descriptor - Advanced */ union igc_adv_tx_desc { |