[v2,0/3] AF_XDP tx halt fix, IRQ pinning and unaligned chunks

Message ID 20190930164205.19419-1-ciara.loftus@intel.com (mailing list archive)


Loftus, Ciara Sept. 30, 2019, 4:42 p.m. UTC
  This series contains 3 patches for the AF_XDP PMD.

Previous: http://mails.dpdk.org/archives/dev/2019-September/143910.html

Patch 1: fix Tx halt when no recv packets (Xiaolong Ye)

Patch 2: support pinning of IRQs
v1 -> v2:
* Change enum format to match coding style
* Change some variables to const
* Re-order arguments in functions
* Do not duplicate driver string in generate_search_idx
* Check if driver handler function ptr is !NULL before using
* Check return value of fwrite
* Use rte_memcpy

Patch 3: enable support for unaligned umem chunks
v1 -> v2:
* Take mbuf alloc out of reserve_fill_queue
* Free correct mbuf on reserve fail for tx

The performance of the new zero copy implementation was measured to be within 5%
of the previous zero copy implementation, generally with an improvement observed
for single-core (with need wakeup) and multiple-PMD test cases.

Ciara Loftus (2):
  net/af_xdp: support pinning of IRQs
  net/af_xdp: enable support for unaligned umem chunks

Xiaolong Ye (1):
  net/af_xdp: fix Tx halt when no recv packets

 doc/guides/nics/af_xdp.rst             |  17 +-
 doc/guides/rel_notes/release_19_11.rst |  11 +
 drivers/net/af_xdp/rte_eth_af_xdp.c    | 780 ++++++++++++++++++++++---
 3 files changed, 714 insertions(+), 94 deletions(-)