For performance reasons, remove the redundant updates of the cleaned_count
variable, as its value can be computed based on the ring next-to-clean
variable, which is consistently udpated.
Signed-off-by: Cristian Dumitrescu <cristian.dumitre...@intel.com>
---
drivers/net/ethernet/intel/i40e/i40e_xsk.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c
b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
index dc11ecd1a55c..453ef30d9498 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
@@ -300,7 +300,6 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int
budget)
bi = i40e_rx_bi(rx_ring, next_to_clean);
xsk_buff_free(*bi);
*bi = NULL;
- cleaned_count++;
next_to_clean = (next_to_clean + 1) & count_mask;
continue;
}
@@ -325,7 +324,6 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int
budget)
total_rx_bytes += size;
total_rx_packets++;
- cleaned_count++;
next_to_clean = (next_to_clean + 1) & count_mask;
continue;
}
@@ -344,7 +342,6 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int
budget)
break;
}
- cleaned_count++;
next_to_clean = (next_to_clean + 1) & count_mask;
if (eth_skb_pad(skb))
@@ -358,6 +355,7 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int
budget)
}
rx_ring->next_to_clean = next_to_clean;
+ cleaned_count = (next_to_clean - rx_ring->next_to_use - 1) & count_mask;
if (cleaned_count >= I40E_RX_BUFFER_WRITE)
failure = !i40e_alloc_rx_buffers_zc(rx_ring, cleaned_count);
--
2.25.1
