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i40e: Fix a boundary condition and turning off of ntuple 

When turning off ntuple with a FD table full situation,
the driver would have auto disabled FD filter additions.
Clear the auto disable flag for FD_SB so that when the
feature is turned on again using "ethtool -K ethx ntuple on"
we can start adding filters once again.

Change-ID: I036a32e7331bcae765b657c8abb4fa070940b163
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Anjali Singhai Jain 2014-06-04 08:45:20 +00:00 committed by Jeff Kirsher
parent 164ec1bfa1
commit 8a4f34fbef
1 changed files with 5 additions and 3 deletions
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8
drivers/net/ethernet/intel/i40e/i40e_main.c
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@ -6885,9 +6885,11 @@ bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features)
i40e_fdir_filter_exit(pf);
}
pf->flags &= ~I40E_FLAG_FD_SB_ENABLED;
/* if ATR was disabled it can be re-enabled. */
if (!(pf->flags & I40E_FLAG_FD_ATR_ENABLED))
pf->flags |= I40E_FLAG_FD_ATR_ENABLED;
pf->auto_disable_flags &= ~I40E_FLAG_FD_SB_ENABLED;
/* if ATR was auto disabled it can be re-enabled. */
if ((pf->flags & I40E_FLAG_FD_ATR_ENABLED) &&
(pf->auto_disable_flags & I40E_FLAG_FD_ATR_ENABLED))
pf->auto_disable_flags &= ~I40E_FLAG_FD_ATR_ENABLED;
}
return need_reset;
}