[dpdk-dev] [PATCH 0/8] Optimize qede use of rx/tx_entries

Balazs Nemeth bnemeth at redhat.com
Fri Mar 5 14:13:58 CET 2021


This patch set optimizes qede_{rx,tx}_entry and introduces
rte_pktmbuf_free_bulk in qede_process_tx_compl. The overall performance
improvement depends on the use-case; in a physical-virtual-physical test
on a ThunderX2 99xx system with two SMT threads used in ovs,
and two cores used in a vm, an improvement of around 2.55% is observed
due to this patch set.

Balazs Nemeth (8):
  net/qede: remove flags from qede_tx_entry and simplify to rte_mbuf
  net/qede: avoid repeatedly calling ecore_chain_get_cons_idx
  net/qede: assume txq->sw_tx_ring[idx] is never null in
    qede_free_tx_pkt
  net/qede: inline qede_free_tx_pkt to prepare for rte_pktmbuf_free_bulk
  net/qede: use rte_pktmbuf_free_bulk instead of rte_pktmbuf_free
  net/qede: prefetch txq->hw_cons_ptr
  net/qede: prefetch next packet to free
  net/qede: remove page_offset from struct qede_rx_entry and simplify

 drivers/net/qede/qede_rxtx.c | 148 +++++++++++++++++++----------------
 drivers/net/qede/qede_rxtx.h |  21 +----
 2 files changed, 81 insertions(+), 88 deletions(-)

--
2.29.2



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