diff options
| author | Cristian Dumitrescu <cristian.dumitrescu@intel.com> | 2021-01-14 14:33:16 +0000 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2021-02-08 17:19:03 -0800 |
| commit | f12738b6ec063b1b63ff2232fd203d13a6ec2468 (patch) | |
| tree | ebb31221c85d6077acc1fde05b62d8a389eb60b5 /drivers/net/ethernet/intel/i40e/i40e_xsk.c | |
| parent | c8a8ca3408dcd28461d9bc8bceaf981e639272de (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/ethernet/intel/i40e/i40e_xsk.c')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_xsk.c | 4 |
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); |