Hi Damjan, Thanks for the response. We are able to get pass few hurdles in enabling OCTEONTx mempool ops, I may have follow up questions on this after further testing. Appreciate your help
Regards, Nitin > On 07-Jun-2018, at 20:03, Damjan Marion <dmar...@me.com> wrote: > > > Dear Nitin, > > VPP expect that buffer memory is in contiguous shareable VA space represented > by single mmap()-able file descriptor > and VPP needs to know that file descriptor. > > Regards, > > Damjan > >> On 6 Jun 2018, at 11:04, Nitin Saxena <nitin.sax...@cavium.com> wrote: >> >> Hi Damjan, >> >> I want separate email-thread for the OCTEONTx mempool ops. >> >>> Regarding the octeon tx mempool, no idea what it is, >> OCTEONTx mempool ops uses hardware mempool allocator instead of DPDK >> software mempool. This is not enabled by default in DPDK but once enabled >> all buffers are managed by OCTEONTx hardware allocator. >> >>> VPP expects that buffer memory is allocated by VPP and then given to >>> DPDK via rte_mempool_create_empty() and rte_mempool_populate_iova_tab(). >> This I understood that VPP calls rte_mempool_populate_iova_tab() but I want >> to know why VPP allocates buffer on its own and not allow DPDK to create its >> own buffers? Why VPP cannot call rte_pktmbuf_pool_create()? Is there a >> limitation? >> >> Thanks, >> Nitin >> >>> On Wednesday 06 June 2018 02:20 PM, Damjan Marion wrote: >>> Regarding the octeon tx mempool, no idea what it is, but will not be >>> surprised that it is not compatible with the way how we use buffer >>> memory in vpp. >>> VPP expects that buffer memory is allocated by VPP and then given to >>> DPDK via rte_mempool_create_empty() and rte_mempool_populate_iova_tab(). >> >> >> > -=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#9561): https://lists.fd.io/g/vpp-dev/message/9561 View All Messages In Topic (3): https://lists.fd.io/g/vpp-dev/topic/21380227 Mute This Topic: https://lists.fd.io/mt/21380227/21656 New Topic: https://lists.fd.io/g/vpp-dev/post Change Your Subscription: https://lists.fd.io/g/vpp-dev/editsub/21656 Group Home: https://lists.fd.io/g/vpp-dev Contact Group Owner: vpp-dev+ow...@lists.fd.io Terms of Service: https://lists.fd.io/static/tos Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub Email sent to: arch...@mail-archive.com -=-=-=-=-=-=-=-=-=-=-=-
