Hi, > -----Original Message----- > From: Dariusz Sosnowski <dsosnow...@nvidia.com> > Sent: Wednesday, February 28, 2024 9:06 PM > To: Slava Ovsiienko <viachesl...@nvidia.com>; Ori Kam <or...@nvidia.com>; > Suanming Mou <suanmi...@nvidia.com>; Matan Azrad > <ma...@nvidia.com>; Jack Min <jack...@nvidia.com> > Cc: dev@dpdk.org; sta...@dpdk.org; Bing Zhao <bi...@nvidia.com> > Subject: [PATCH] net/mlx5: fix counter cache starvation > > mlx5 PMD maintains a global counter pool and per-queue counter cache, > which are used to allocate COUNT flow action objects. > Whenever an empty cache is accessed, it is replenished with a pre-defined > number of counters. > > If number of configured counters was sufficiently small, then it might have > happened that caches associated with some queues could get starved because > all counters were fetched on other queues. > > This patch fixes that by disabling cache at runtime if number of configured > counters is not sufficient to avoid such starvation. > > Fixes: 4d368e1da3a4 ("net/mlx5: support flow counter action for HWS") > Cc: jack...@nvidia.com > Cc: sta...@dpdk.org > > Signed-off-by: Dariusz Sosnowski <dsosnow...@nvidia.com> > Acked-by: Ori Kam <or...@nvidia.com> > Acked-by: Bing Zhao <bi...@nvidia.com>
Patch applied to next-net-mlx, Kindest regards Raslan Darawsheh