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authorCristian Dumitrescu2021-01-14 14:33:16 +0000
committerTony Nguyen2021-02-08 17:19:03 -0800
commitf12738b6ec063b1b63ff2232fd203d13a6ec2468 (patch)
treeebb31221c85d6077acc1fde05b62d8a389eb60b5 /drivers/net
parentc8a8ca3408dcd28461d9bc8bceaf981e639272de (diff)
i40e: remove unnecessary cleaned_count updates
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 updated. Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com> Tested-by: Kiran Bhandare <kiranx.bhandare@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_xsk.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
index 87d43407653c..99082abd3000 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)
}
*bi = NULL;
- 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);