[E1000-devel] [PATCH 1/2] ixgbe: fix parameters in distributing budget to each RX queue fairly

[Jing Zhang]

One of the parameters, budget, is modified to poll RX queues in fair manner,
another parameter in the whole game, work_done, should be correct
accordingly.

Signed-off-by: Jing Zhang <zj.na...@gmail.com>
---

--- linux-2.6.34/drivers/net/ixgbe/ixgbe_main.c 2010-05-17
05:17:36.000000000 +0800
+++ ixgbe/ixgbe_main_01.c 2010-07-15 20:51:18.000000000 +0800
@@ -1559,12 +1559,14 @@ static int ixgbe_clean_rxtx_many(struct
  budget = max(budget, 1);
  r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues);
  for (i = 0; i < q_vector->rxr_count; i++) {
+ int this_work = 0;
  ring = adapter->rx_ring[r_idx];
 #ifdef CONFIG_IXGBE_DCA
  if (adapter->flags & IXGBE_FLAG_DCA_ENABLED)
  ixgbe_update_rx_dca(adapter, ring);
 #endif
- ixgbe_clean_rx_irq(q_vector, ring, &work_done, budget);
+ ixgbe_clean_rx_irq(q_vector, ring, &this_work, budget);
+ work_done += this_work;
  r_idx = find_next_bit(q_vector->rxr_idx, adapter->num_rx_queues,
                       r_idx + 1);
  }

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