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fm10k: Add support for bulk Tx cleanup & cleanup boolean logic

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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>
This commit is contained in:
Alexander Duyck 2016-03-07 09:30:15 -08:00 • committed by Jeff Kirsher
parent 3ef2f56326
commit 144d830558
1 changed files with 9 additions and 5 deletions
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14
drivers/net/ethernet/intel/fm10k/fm10k_main.c
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@ -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 */