[PATCH v2 0/3] net/zxdh: optimize Rx/Tx path performance

[Junlong Wang <wang.junlong1@zte.com.cn>]

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v2:
  - zxdh_rxtx.c, pkt_padding(): modifyed the return value of pkt_padding();
  - zxdh_rxtx.c, zxdh_recv_single_pkts(): modifyed When zxdh_init_mbuf() fails
    the loop does "continue" and free mbufs;
  - zxdh_rxtx.c, refill_desc_unwrap(): Add rte_io_wmb() before writing flags
    in the refill_que_descs();
  - zxdh_queue.h, zxdh_queue_enable_intr(): Remove unnecessary function of zxdh_queue_enable_intr;
  - zxdh_ethdev.c, zxdh_init_queue(): changed the hdr_mz NULL check logic;

  - zxdh_rxtx.c, zxdh_xmit_pkts_simple()、zxdh_recv_single_pkts(): add stats.bytes count;
  - zxdh_rxtx.c, zxdh_init_mbuf():remove  rte_pktmbuf_dump(stdout, rxm, 40);
  - zxdh_ethdev.c, zxdh_dev_free_mbufs(): using rte_pktmbuf_free() to free mbufs;
  - Splitting into separate patches, structure reorganization and sw_ring removal、
    RX recv optimize、Tx xmit optimize、Tx;

v1:
  This patch optimizes the ZXDH PMD's receive and transmit path for better
  performance through several improvements:

- Add simple TX/RX burst functions (zxdh_xmit_pkts_simple and
  zxdh_recv_single_pkts) for single-segment packet scenarios.
- Remove RX software ring (sw_ring) to reduce memory allocation and
  copy.
- Optimize descriptor management with prefetching and simplified
  cleanup.
- Reorganize structure fields for better cache locality.

  These changes reduce CPU cycles and memory bandwidth consumption,
  resulting in improved packet processing throughput.

Junlong Wang (3):
  net/zxdh: optimize queue structure to improve performance
  net/zxdh: optimize Rx recv pkts performance
  net/zxdh: optimize Tx xmit pkts performance

 drivers/net/zxdh/zxdh_ethdev.c     |  88 ++---
 drivers/net/zxdh/zxdh_ethdev_ops.c |  24 +-
 drivers/net/zxdh/zxdh_ethdev_ops.h |   4 +
 drivers/net/zxdh/zxdh_pci.c        |   2 +-
 drivers/net/zxdh/zxdh_queue.c      |  31 +-
 drivers/net/zxdh/zxdh_queue.h      | 125 +++----
 drivers/net/zxdh/zxdh_rxtx.c       | 520 +++++++++++++++++++++--------
 drivers/net/zxdh/zxdh_rxtx.h       |  27 +-
 8 files changed, 527 insertions(+), 294 deletions(-)

-- 
2.27.0

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