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ixgbe: napi_poll must return the work done 

Currently the function ixgbe_poll() returns 0 when it clean completely
the rx rings, but this foul budget accounting in core code.
Fix this returning the actual work done, capped to weight - 1, since
the core doesn't allow to return the full budget when the driver modifies
the napi status

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Venkatesh Srinivas <venkateshs@google.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Paolo Abeni 2016-06-15 15:37:59 +02:00 committed by Jeff Kirsher
parent f6bd09625b
commit 4b732cd4bb
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
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@ -2887,7 +2887,7 @@ int ixgbe_poll(struct napi_struct *napi, int budget)
if (!test_bit(__IXGBE_DOWN, &adapter->state))
ixgbe_irq_enable_queues(adapter, BIT_ULL(q_vector->v_idx));
return 0;
return min(work_done, budget - 1);
}
/**