This patch refactors aspects of the VSI allocation, deletion and rebuild
flow. Some of the more noteworthy changes are described below.
1) On reset, all switch filters applied in the hardware are lost. In
the rebuild flow, only MAC and broadcast filters are being restored.
Instead, use a new function ice_replay_all_fltr to restore all the
filters that were previously added. To do this, remove calls to
ice_remove_vsi_fltr to prevent cleaning out the internal bookkeeping
structures that ice_replay_all_fltr uses to replay filters.
2) Introduce a new state bit __ICE_PREPARED_FOR_RESET to distinguish the
PF that requested the reset (and consequently prepared for it) from
the rest of the PFs. These other PFs will prepare for reset only
when they receive an interrupt from the firmware.
3) Use new functions ice_add_vsi and ice_free_vsi to create and destroy
VSIs respectively. These functions accept a handle to uniquely
identify a VSI. This same handle is required to rebuild the VSI post
reset. To prevent confusion, the existing ice_vsi_add was renamed to
ice_vsi_init.
4) Enhance ice_vsi_setup for the upcoming SR-IOV changes and expose a
new wrapper function ice_pf_vsi_setup to create PF VSIs. Rework the
error handling path in ice_setup_pf_sw.
5) Introduce a new function ice_vsi_release_all to release all PF VSIs.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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