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| author | Björn Töpel <bjorn.topel@intel.com> | 2020-12-11 09:54:10 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-12-14 17:54:42 -0800 |
| commit | 5bb0c4b5eb61d939fed0b27d11fb91fb85769c9a (patch) | |
| tree | 8436d884323a18064c0f33382dce1c011d7d20f2 | |
| parent | bb7eae6dd230c52d2f8d4666ecc1da3ba0d687ab (diff) | |
| download | linux-stable-5bb0c4b5eb61d939fed0b27d11fb91fb85769c9a.tar.gz linux-stable-5bb0c4b5eb61d939fed0b27d11fb91fb85769c9a.tar.bz2 linux-stable-5bb0c4b5eb61d939fed0b27d11fb91fb85769c9a.zip | |
ice, xsk: Move Rx allocation out of while-loop
Instead doing the check for allocation in each loop, move it outside
the while loop and do it every NAPI loop.
This change boosts the xdpsock rxdrop scenario with 15% more
packets-per-second.
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Link: https://lore.kernel.org/r/20201211085410.59350-1-bjorn.topel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_xsk.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_xsk.c b/drivers/net/ethernet/intel/ice/ice_xsk.c index 797886524054..39757b4cf8f4 100644 --- a/drivers/net/ethernet/intel/ice/ice_xsk.c +++ b/drivers/net/ethernet/intel/ice/ice_xsk.c @@ -570,12 +570,6 @@ int ice_clean_rx_irq_zc(struct ice_ring *rx_ring, int budget) u16 vlan_tag = 0; u8 rx_ptype; - if (cleaned_count >= ICE_RX_BUF_WRITE) { - failure |= ice_alloc_rx_bufs_zc(rx_ring, - cleaned_count); - cleaned_count = 0; - } - rx_desc = ICE_RX_DESC(rx_ring, rx_ring->next_to_clean); stat_err_bits = BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S); @@ -642,6 +636,9 @@ int ice_clean_rx_irq_zc(struct ice_ring *rx_ring, int budget) ice_receive_skb(rx_ring, skb, vlan_tag); } + if (cleaned_count >= ICE_RX_BUF_WRITE) + failure = !ice_alloc_rx_bufs_zc(rx_ring, cleaned_count); + ice_finalize_xdp_rx(rx_ring, xdp_xmit); ice_update_rx_ring_stats(rx_ring, total_rx_packets, total_rx_bytes); |