> -----Original Message-----
> From: Xu, Rosen
> Sent: Thursday, August 16, 2018 2:14 AM
> To: [email protected]
> Cc: Dumitrescu, Cristian <[email protected]>; Lu, Wenzhuo
> <[email protected]>; Singh, Jasvinder <[email protected]>;
> [email protected]; Xu, Rosen <[email protected]>; Yigit,
> Ferruh <[email protected]>
> 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 <[email protected]>
> ---
> 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?