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1d9f7ca324
mirror_ubuntu-kernels/drivers/net/ethernet/intel/ice
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Jesse Brandeburg 1d9f7ca324 ice: fix writeback enable logic 
The writeback enable logic was incorrectly implemented (due to
misunderstanding what the side effects of the implementation would be
during polling).

Fix this logic issue, while implementing a new feature allowing the user
to control the writeback frequency using the knobs for controlling
interrupt throttling that we already have.  Basically if you leave
adaptive interrupts enabled, the writeback frequency will be varied even
if busy_polling or if napi-poll is in use.  If the interrupt rates are
set to a fixed value by ethtool -C and adaptive is off, the driver will
allow the user-set interrupt rate to guide how frequently the hardware
will complete descriptors to the driver.

Effectively the user will get a control over the hardware efficiency,
allowing the choice between immediate interrupts or delayed up to a
maximum of the interrupt rate, even when interrupts are disabled
during polling.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Co-developed-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-02-08 16:27:01 -08:00
..
ice_adminq_cmd.h ice: create scheduler aggregator node config and move VSIs 2021-02-08 16:27:01 -08:00
ice_arfs.c ice: Implement aRFS 2020-05-22 22:02:34 -07:00
ice_arfs.h ice: Implement aRFS 2020-05-22 22:02:34 -07:00
ice_base.c xsk: Propagate napi_id to XDP socket Rx path 2020-12-01 00:09:25 +01:00
ice_base.h ice: Add support to enable/disable all Rx queues before waiting 2020-02-15 16:39:55 -08:00
ice_common.c ice: Use PSM clock frequency to calculate RL profiles 2021-02-08 16:27:01 -08:00
ice_common.h ice: implement new LLDP filter command 2021-02-08 16:27:01 -08:00
ice_controlq.c ice: join format strings to same line as ice_debug 2020-12-09 08:11:55 -08:00
ice_controlq.h ice: Handle critical FW error during admin queue initialization 2020-05-27 17:48:23 -07:00
ice_dcb_lib.c ice: fix link event handling timing 2020-07-29 08:38:54 -07:00
ice_dcb_lib.h ice: Implement LFC workaround 2020-07-29 08:38:54 -07:00
ice_dcb_nl.c ice: remove unused macro 2020-05-27 17:03:40 -07:00
ice_dcb_nl.h ice: Implement DCBNL support 2019-11-08 12:02:14 -08:00
ice_dcb.c ice: Implement LFC workaround 2020-07-29 08:38:54 -07:00
ice_dcb.h ice: replace single-element array used for C struct hack 2020-07-01 16:35:23 -07:00
ice_devids.h ice: fix define for E822 backplane device 2020-02-19 13:39:33 -08:00
ice_devlink.c ice: display stored UNDI firmware version via devlink info 2021-02-05 11:44:16 -08:00
ice_devlink.h ice: refactor devlink_port to be per-VSI 2020-10-09 13:14:19 -07:00
ice_ethtool_fdir.c ice: fix FDir IPv6 flexbyte 2021-01-26 10:43:49 -08:00
ice_ethtool.c ice: implement new LLDP filter command 2021-02-08 16:27:01 -08:00
ice_fdir.c ice: remove unused args from ice_get_open_tunnel_port() 2020-09-28 12:50:12 -07:00
ice_fdir.h ice: Enable flex-bytes support 2020-05-22 21:44:48 -07:00
ice_flex_pipe.c ice: use flex_array_size where possible 2021-02-05 11:44:42 -08:00
ice_flex_pipe.h ice: convert to new udp_tunnel infrastructure 2020-09-28 12:50:12 -07:00
ice_flex_type.h ice: convert to new udp_tunnel infrastructure 2020-09-28 12:50:12 -07:00
ice_flow.c ice: join format strings to same line as ice_debug 2020-12-09 08:11:55 -08:00
ice_flow.h ice: Fix pointer cast warnings 2020-10-09 13:14:19 -07:00
ice_fltr.c ice: refactor filter functions 2020-05-21 22:10:04 -07:00
ice_fltr.h ice: refactor filter functions 2020-05-21 22:10:04 -07:00
ice_fw_update.c ice: report timeout length for erasing during devlink flash 2021-02-05 09:34:24 -08:00
ice_fw_update.h ice: add support for flash update overwrite mask 2020-09-25 17:20:57 -07:00
ice_hw_autogen.h ice: Use PSM clock frequency to calculate RL profiles 2021-02-08 16:27:01 -08:00
ice_lag.c ice: Add initial support framework for LAG 2021-02-08 16:27:01 -08:00
ice_lag.h ice: Add initial support framework for LAG 2021-02-08 16:27:01 -08:00
ice_lan_tx_rx.h ice: update PTYPE lookup table 2020-08-01 08:44:04 -07:00
ice_lib.c ice: create scheduler aggregator node config and move VSIs 2021-02-08 16:27:01 -08:00
ice_lib.h ice: fix memory leak if register_netdev_fails 2020-09-25 07:39:24 -07:00
ice_main.c ice: create scheduler aggregator node config and move VSIs 2021-02-08 16:27:01 -08:00
ice_nvm.c ice: display stored UNDI firmware version via devlink info 2021-02-05 11:44:16 -08:00
ice_nvm.h ice: display stored UNDI firmware version via devlink info 2021-02-05 11:44:16 -08:00
ice_osdep.h
ice_protocol_type.h ice: Enable flex-bytes support 2020-05-22 21:44:48 -07:00
ice_sched.c ice: Use PSM clock frequency to calculate RL profiles 2021-02-08 16:27:01 -08:00
ice_sched.h ice: Use PSM clock frequency to calculate RL profiles 2021-02-08 16:27:01 -08:00
ice_sriov.c ice: remove unnecessary fallthrough comments 2020-02-15 16:56:48 -08:00
ice_sriov.h
ice_status.h ice: display stored netlist versions via devlink info 2021-02-05 11:43:37 -08:00
ice_switch.c ice: join format strings to same line as ice_debug 2020-12-09 08:11:55 -08:00
ice_switch.h ice: Initialize Flow Director resources 2020-05-22 21:26:37 -07:00
ice_txrx_lib.c ice: drop dead code in ice_receive_skb() 2021-01-09 14:24:25 -08:00
ice_txrx_lib.h ice: Rename build_ctob to ice_build_ctob 2020-05-21 22:10:04 -07:00
ice_txrx.c ice: fix writeback enable logic 2021-02-08 16:27:01 -08:00
ice_txrx.h ice: fix writeback enable logic 2021-02-08 16:27:01 -08:00
ice_type.h ice: Use PSM clock frequency to calculate RL profiles 2021-02-08 16:27:01 -08:00
ice_virtchnl_pf.c ice: create scheduler aggregator node config and move VSIs 2021-02-08 16:27:01 -08:00
ice_virtchnl_pf.h ice: Allow 2 queue pairs per VF on SR-IOV initialization 2020-08-01 08:44:04 -07:00
ice_xsk.c ice: Remove xsk_buff_pool from VSI structure 2021-02-08 16:27:01 -08:00
ice_xsk.h xsk: i40e: ice: ixgbe: mlx5: Pass buffer pool to driver instead of umem 2020-08-31 21:15:03 +02:00
ice.h ice: create scheduler aggregator node config and move VSIs 2021-02-08 16:27:01 -08:00
Makefile ice: Add initial support framework for LAG 2021-02-08 16:27:01 -08:00