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cd25507a31
mirror_ubuntu-kernels/drivers/net/ethernet/intel/ice
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Jacob Keller cd25507a31 ice: track and warn when PHC update is late 
The ice driver requires a cached copy of the PHC time in order to perform
timestamp extension on Tx and Rx hardware timestamp values. This cached PHC
time must always be updated at least once every 2 seconds. Otherwise, the
math used to perform the extension would produce invalid results.

The updates are supposed to occur periodically in the PTP kthread work
item, which is scheduled to run every half second. Thus, we do not expect
an update to be delayed for so long. However, there are error conditions
which can cause the update to be delayed.

Track this situation by using jiffies to determine approximately how long
ago the last update occurred. Add a new statistic and a dev_warn when we
have failed to update the cached PHC time. This makes the error case more
obvious.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2022-08-16 09:04:38 -07:00
..
ice_adminq_cmd.h ice: add i2c write command 2022-07-21 11:22:45 -07:00
ice_arfs.c ice: arfs: fix use-after-free when freeing @rx_cpu_rmap 2022-04-08 09:08:36 -07:00
ice_arfs.h ice: remove circular header dependencies on ice.h 2022-03-14 17:22:58 -07:00
ice_base.c ice: rename ice_virtchnl_pf.c to ice_sriov.c 2022-03-14 17:22:58 -07:00
ice_base.h
ice_cgu_regs.h ice: ensure the hardware Clock Generation Unit is configured 2021-12-21 09:11:40 -08:00
ice_common.c ice: add i2c write command 2022-07-21 11:22:45 -07:00
ice_common.h ice: add i2c write command 2022-07-21 11:22:45 -07:00
ice_controlq.c ice: Cleanup after ice_status removal 2021-12-14 10:19:13 -08:00
ice_controlq.h
ice_dcb_lib.c ice: Add hot path support for 802.1Q and 802.1ad VLAN offloads 2022-02-09 09:24:45 -08:00
ice_dcb_lib.h
ice_dcb_nl.c ice: Fix problems with DSCP QoS implementation 2021-12-07 13:21:01 -08:00
ice_dcb_nl.h
ice_dcb.c ice: Cleanup after ice_status removal 2021-12-14 10:19:13 -08:00
ice_dcb.h ice: remove circular header dependencies on ice.h 2022-03-14 17:22:58 -07:00
ice_devids.h ice: handle E822 generic device ID in PLDM header 2022-07-12 09:25:34 -07:00
ice_devlink.c ice: change devlink code to read NVM in blocks 2022-07-12 09:25:47 -07:00
ice_devlink.h net/ice: Remove unused enum 2021-11-30 08:02:12 -08:00
ice_eswitch.c ice: Introduce enabling promiscuous mode on multiple VF's 2022-07-28 11:44:22 -07:00
ice_eswitch.h ice: allow creating VFs for !CONFIG_NET_SWITCHDEV 2022-04-14 08:19:54 -07:00
ice_ethtool_fdir.c ice: Use correct order for the parameters of devm_kcalloc() 2022-06-08 08:55:13 -07:00
ice_ethtool.c ice: track and warn when PHC update is late 2022-08-16 09:04:38 -07:00
ice_fdir.c ice: Cleanup after ice_status removal 2021-12-14 10:19:13 -08:00
ice_fdir.h ice: Add flow director support for channel mode 2021-12-30 13:16:07 +00:00
ice_flex_pipe.c ice: Add support for PPPoE hardware offload 2022-07-26 10:56:32 -07:00
ice_flex_pipe.h ice: Fix FV offset searching 2022-03-11 08:28:27 -08:00
ice_flex_type.h ice: Support GTP-U and GTP-C offload in switchdev 2022-03-11 08:28:28 -08:00
ice_flow.c ice: remove circular header dependencies on ice.h 2022-03-14 17:22:58 -07:00
ice_flow.h ice: remove circular header dependencies on ice.h 2022-03-14 17:22:58 -07:00
ice_fltr.c ice: Fix broken IFF_ALLMULTI handling 2022-04-01 12:01:38 +01:00
ice_fltr.h ice: Introduce ice_vlan struct 2022-02-09 09:24:45 -08:00
ice_fw_update.c ice: handle E822 generic device ID in PLDM header 2022-07-12 09:25:34 -07:00
ice_fw_update.h ice: support immediate firmware activation via devlink reload 2021-12-15 08:40:38 -08:00
ice_gnss.c ice: add write functionality for GNSS TTY 2022-07-21 13:25:17 -07:00
ice_gnss.h ice: add write functionality for GNSS TTY 2022-07-21 13:25:17 -07:00
ice_hw_autogen.h ice: support crosstimestamping on E822 devices if supported 2021-12-21 09:11:40 -08:00
ice_idc_int.h ice: remove circular header dependencies on ice.h 2022-03-14 17:22:58 -07:00
ice_idc.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-12 16:15:30 -07:00
ice_lag.c ice: Remove unnecessary NULL check before dev_put 2022-06-30 13:53:33 -07:00
ice_lag.h
ice_lan_tx_rx.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-02-10 17:29:56 -08:00
ice_lib.c ice: initialize cached_phctime when creating Rx rings 2022-08-16 09:04:37 -07:00
ice_lib.h ice: Introduce enabling promiscuous mode on multiple VF's 2022-07-28 11:44:22 -07:00
ice_main.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-08-03 09:04:55 +02:00
ice_nvm.c ice: Fix memory leak in ice_get_orom_civd_data() 2022-04-14 08:31:01 -07:00
ice_nvm.h ice: support immediate firmware activation via devlink reload 2021-12-15 08:40:38 -08:00
ice_osdep.h ice: remove circular header dependencies on ice.h 2022-03-14 17:22:58 -07:00
ice_pf_vsi_vlan_ops.c ice: Support configuring the device to Double VLAN Mode 2022-02-09 09:24:45 -08:00
ice_pf_vsi_vlan_ops.h ice: Add outer_vlan_ops and VSI specific VLAN ops implementations 2022-02-09 09:24:45 -08:00
ice_protocol_type.h ice: Add support for PPPoE hardware offload 2022-07-26 10:56:32 -07:00
ice_ptp_consts.h ice: ensure the hardware Clock Generation Unit is configured 2021-12-21 09:11:40 -08:00
ice_ptp_hw.c ice: add TTY for GNSS module for E810T device 2022-03-03 14:11:00 +00:00
ice_ptp_hw.h ice: add TTY for GNSS module for E810T device 2022-03-03 14:11:00 +00:00
ice_ptp.c ice: track and warn when PHC update is late 2022-08-16 09:04:38 -07:00
ice_ptp.h ice: track and warn when PHC update is late 2022-08-16 09:04:38 -07:00
ice_repr.c ice: link representors to PCI device 2022-05-06 09:43:01 -07:00
ice_repr.h ice: remove circular header dependencies on ice.h 2022-03-14 17:22:58 -07:00
ice_sbq_cmd.h
ice_sched.c ice: Remove unnecessary casts 2021-12-14 10:19:14 -08:00
ice_sched.h ice: Cleanup after ice_status removal 2021-12-14 10:19:13 -08:00
ice_sriov.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-07-28 18:21:16 -07:00
ice_sriov.h ice: introduce ice_virtchnl.c and ice_virtchnl.h 2022-03-15 13:23:10 -07:00
ice_switch.c Bitmap patches for v6.0-rc1 2022-08-07 17:52:35 -07:00
ice_switch.h ice: Introduce enabling promiscuous mode on multiple VF's 2022-07-28 11:44:22 -07:00
ice_tc_lib.c ice: Add support for PPPoE hardware offload 2022-07-26 10:56:32 -07:00
ice_tc_lib.h ice: Add support for PPPoE hardware offload 2022-07-26 10:56:32 -07:00
ice_trace.h ice: add trace events for tx timestamps 2022-03-16 10:38:15 -07:00
ice_txrx_lib.c Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue 2022-02-10 11:00:13 +00:00
ice_txrx_lib.h ice: Add hot path support for 802.1Q and 802.1ad VLAN offloads 2022-02-09 09:24:45 -08:00
ice_txrx.c ice: track Tx timestamp stats similar to other Intel drivers 2022-08-16 09:04:38 -07:00
ice_txrx.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-19 11:23:59 -07:00
ice_type.h ice: Introduce enabling promiscuous mode on multiple VF's 2022-07-28 11:44:22 -07:00
ice_vf_lib_private.h ice: remove PF pointer from ice_check_vf_init 2022-03-15 13:23:14 -07:00
ice_vf_lib.c ice: Fix promiscuous mode not turning off 2022-07-28 11:44:40 -07:00
ice_vf_lib.h ice: Fix promiscuous mode not turning off 2022-07-28 11:44:40 -07:00
ice_vf_mbx.c ice: rename ice_sriov.c to ice_vf_mbx.c 2022-03-14 17:22:58 -07:00
ice_vf_mbx.h ice: rename ice_sriov.c to ice_vf_mbx.c 2022-03-14 17:22:58 -07:00
ice_vf_vsi_vlan_ops.c ice: rename ice_virtchnl_pf.c to ice_sriov.c 2022-03-14 17:22:58 -07:00
ice_vf_vsi_vlan_ops.h ice: Add support for VIRTCHNL_VF_OFFLOAD_VLAN_V2 2022-02-09 09:24:45 -08:00
ice_virtchnl_allowlist.c ice: Add support for VIRTCHNL_VF_OFFLOAD_VLAN_V2 2022-02-09 09:24:45 -08:00
ice_virtchnl_allowlist.h
ice_virtchnl_fdir.c ice: always check VF VSI pointer values 2022-05-05 11:28:36 -07:00
ice_virtchnl_fdir.h ice: introduce ice_vf_lib.c, ice_vf_lib.h, and ice_vf_lib_private.h 2022-03-15 13:22:13 -07:00
ice_virtchnl.c Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue 2022-07-29 21:26:10 -07:00
ice_virtchnl.h ice: introduce ice_virtchnl.c and ice_virtchnl.h 2022-03-15 13:23:10 -07:00
ice_vlan_mode.c ice: Add support for VLAN TPID filters in switchdev 2022-06-30 13:53:33 -07:00
ice_vlan_mode.h ice: Support configuring the device to Double VLAN Mode 2022-02-09 09:24:45 -08:00
ice_vlan.h ice: Use the proto argument for VLAN ops 2022-02-09 09:24:45 -08:00
ice_vsi_vlan_lib.c ice: Support configuring the device to Double VLAN Mode 2022-02-09 09:24:45 -08:00
ice_vsi_vlan_lib.h ice: Add outer_vlan_ops and VSI specific VLAN ops implementations 2022-02-09 09:24:45 -08:00
ice_vsi_vlan_ops.c ice: Add outer_vlan_ops and VSI specific VLAN ops implementations 2022-02-09 09:24:45 -08:00
ice_vsi_vlan_ops.h ice: Support configuring the device to Double VLAN Mode 2022-02-09 09:24:45 -08:00
ice_xsk.c Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-04-27 17:09:32 -07:00
ice_xsk.h ice: remove circular header dependencies on ice.h 2022-03-14 17:22:58 -07:00
ice.h ice: Introduce enabling promiscuous mode on multiple VF's 2022-07-28 11:44:22 -07:00
Makefile ice: fix access-beyond-end in the switch code 2022-06-02 12:41:10 +02:00