ice: Add code to keep track of current dflt_vsi

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We can't have more than one default VSI so prevent another VSI from
overwriting the current dflt_vsi. This was achieved by adding the
following functions:

ice_is_dflt_vsi_in_use()
- Used to check if the default VSI is already being used.

ice_is_vsi_dflt_vsi()
- Used to check if VSI passed in is in fact the default VSI.

ice_set_dflt_vsi()
- Used to set the default VSI via a switch rule

ice_clear_dflt_vsi()
- Used to clear the default VSI via a switch rule.

Also, there was no need to introduce any locking because all mailbox
events and synchronization of switch filters for the PF happen in the
service task.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

...

This commit is contained in:

Brett Creeley 2019-12-12 03:12:55 -08:00 • committed by Jeff Kirsher

parent cd6d6b8331

commit fc0f39bcb5

4 changed files with 155 additions and 16 deletions

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2

drivers/net/ethernet/intel/ice/ice.h

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118

drivers/net/ethernet/intel/ice/ice_lib.c

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8

drivers/net/ethernet/intel/ice/ice_lib.h

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43

drivers/net/ethernet/intel/ice/ice_main.c

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