Hello All, We could observe the issue with rte_mempool_populate_default() API. Does this lead to fetching contiguous memorywhen allocating it ? BTW we are using the "legacy mem" option to initialize it.
Please share if you have more info on this issue. On Tue, Dec 8, 2020 at 12:59 PM Kamaraj P <pkama...@gmail.com> wrote: > Hello All, > > We are using DDPDK 19.11 and when we call *rte_pktmbuf_pool_create() *API > allocate memory, > we could see the EINVAL ( EINVAL - cache size provided is too large, or > priv_size is not aligned ) return from that above API. > We are seeing the issue only when we pass the Priv_size value of 64 bytes > which is aligned to RTE_MBUF_PRIV_ALIGN(8 bytes). > > Here is our snippet of our code base: > #define MBUF_CACHE_SIZE *512 * > #define MBUF_PRIV_SIZE *64* > #define FRAME_LEN *9216* > #define NO_OF_MBUF > *52736 * > > /*define in rte_config.h */ > #define RTE_PKTMBUF_HEADROOM 128 > > pool = rte_pktmbuf_pool_create(name, num_mbufs, > MBUF_CACHE_SIZE, MBUF_PRIV_SIZE, > frame_len + RTE_PKTMBUF_HEADROOM, > rte_socket_id()); > > The above check was failed with EINVAL > > Could you please suggest if there is any known issue or limitation w.r.t > 19.11 > > Thanks, > Kamaraj > > > >