fm10k: Add support for bulk Tx cleanup & cleanup boolean logic
authorAlexander Duyck <aduyck@mirantis.com>
Mon, 7 Mar 2016 17:30:15 +0000 (09:30 -0800)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Thu, 21 Apr 2016 06:06:20 +0000 (23:06 -0700)
This patch enables bulk free in Tx cleanup for fm10k and cleans up the
boolean logic in the polling routines for fm10k in the hopes of avoiding
any mix-ups similar to what occurred with i40e and i40evf.

Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/ethernet/intel/fm10k/fm10k_main.c

index 0b465394f88aff832bc632f8d2106de6c9a82c9f..97650802a4cce2f1bc43f8fe1261699821e4b47c 100644 (file)
@@ -1198,9 +1198,10 @@ void fm10k_tx_timeout_reset(struct fm10k_intfc *interface)
  * fm10k_clean_tx_irq - Reclaim resources after transmit completes
  * @q_vector: structure containing interrupt and ring information
  * @tx_ring: tx ring to clean
+ * @napi_budget: Used to determine if we are in netpoll
  **/
 static bool fm10k_clean_tx_irq(struct fm10k_q_vector *q_vector,
-                              struct fm10k_ring *tx_ring)
+                              struct fm10k_ring *tx_ring, int napi_budget)
 {
        struct fm10k_intfc *interface = q_vector->interface;
        struct fm10k_tx_buffer *tx_buffer;
@@ -1238,7 +1239,7 @@ static bool fm10k_clean_tx_irq(struct fm10k_q_vector *q_vector,
                total_packets += tx_buffer->gso_segs;
 
                /* free the skb */
-               dev_consume_skb_any(tx_buffer->skb);
+               napi_consume_skb(tx_buffer->skb, napi_budget);
 
                /* unmap skb header data */
                dma_unmap_single(tx_ring->dev,
@@ -1449,8 +1450,10 @@ static int fm10k_poll(struct napi_struct *napi, int budget)
        int per_ring_budget, work_done = 0;
        bool clean_complete = true;
 
-       fm10k_for_each_ring(ring, q_vector->tx)
-               clean_complete &= fm10k_clean_tx_irq(q_vector, ring);
+       fm10k_for_each_ring(ring, q_vector->tx) {
+               if (!fm10k_clean_tx_irq(q_vector, ring, budget))
+                       clean_complete = false;
+       }
 
        /* Handle case where we are called by netpoll with a budget of 0 */
        if (budget <= 0)
@@ -1468,7 +1471,8 @@ static int fm10k_poll(struct napi_struct *napi, int budget)
                int work = fm10k_clean_rx_irq(q_vector, ring, per_ring_budget);
 
                work_done += work;
-               clean_complete &= !!(work < per_ring_budget);
+               if (work >= per_ring_budget)
+                       clean_complete = false;
        }
 
        /* If all work not completed, return budget and keep polling */