Hi, On 03/19, Jerin Jacob Kollanukkaran wrote: >On Tue, 2019-03-19 at 15:12 +0800, Xiaolong Ye wrote: >> When create rte_mempool, flags can be parsed from command line. >> Now, it is possible for testpmd to create a af_xdp friendly >> mempool (which enable zero copy). >> >> Signed-off-by: Qi Zhang <qi.z.zh...@intel.com> >> Signed-off-by: Xiaolong Ye <xiaolong...@intel.com> >> --- >> app/test-pmd/parameters.c | 12 ++++++++++++ >> app/test-pmd/testpmd.c | 17 ++++++++++------- >> app/test-pmd/testpmd.h | 1 + >> doc/guides/testpmd_app_ug/run_app.rst | 4 ++++ > >If I understand it correctly, The user needs to change all the >application in order to avail zero copy feature of XDP. > >If so, > >How about creating wrapper mempool driver for xdp at drivers/mempool/? >and mempool's best mempool feature to select the required mempool >driver for XDP at runtime without changing the apps. > >see rte_mbuf_best_mempool_ops() >see struct eth_dev_ops::pool_ops_supported
Sounds a good suggestion, I'll investigate and see how to implement it. Thanks, Xiaolong > >/Jerin > > > >