> -----Original Message-----
> From: Xu, Rosen
> Sent: Thursday, August 16, 2018 2:14 AM
> To: dev@dpdk.org
> Cc: Dumitrescu, Cristian <cristian.dumitre...@intel.com>; Lu, Wenzhuo
> <wenzhuo...@intel.com>; Singh, Jasvinder <jasvinder.si...@intel.com>;
> jerin.ja...@caviumnetworks.com; Xu, Rosen <rosen...@intel.com>; Yigit,
> Ferruh <ferruh.yi...@intel.com>
> Subject: [PATCH] lib/librte_ethdev: expand queue threshold size of RED
> parameters
>
> There's very commonly that more than 4G DDR memory in NIC for HQoS,
> so right now the queue threshold size of RED needs to expand to
> uint64_t. This patch fixes it.
>
> Signed-off-by: Rosen Xu <rosen...@intel.com>
> ---
> lib/librte_ethdev/rte_tm.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/lib/librte_ethdev/rte_tm.h b/lib/librte_ethdev/rte_tm.h
> index 955f02f..646ef38 100644
> --- a/lib/librte_ethdev/rte_tm.h
> +++ b/lib/librte_ethdev/rte_tm.h
> @@ -831,10 +831,10 @@ enum rte_tm_cman_mode {
> */
> struct rte_tm_red_params {
> /** Minimum queue threshold */
> - uint32_t min_th;
> + uint64_t min_th;
>
> /** Maximum queue threshold */
> - uint32_t max_th;
> + uint64_t max_th;
>
> /** Inverse of packet marking probability maximum value (maxp),
> i.e.
> * maxp_inv = 1 / maxp
> --
> 1.8.3.1
Did you also check that this change does not break any drivers that are
currently using the ethdev TM API?
