diff options
| author |   Radu Nicolau <radu.nicolau@intel.com> | 2021-01-14 10:25:02 +0000 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2021-01-21 13:39:12 +0000 |
| commit | e1480a2c12ff764622dd2ae1bc9bce6cd25bcbdd (patch) | |
| tree | b3b35b537b2428ce32fcdefcb040e2f3878b6f9f /src/plugins/avf/output.c | |
| parent | f35fef244682645762cdff14cf313a42dd2d750c (diff) | |
avf: use write combining store for queues tail update
Performance improvement: on supported platforms, currently only Intel Tremont,
use a write combining store to update the tail pointers.
Also, Tremont node variant is added for all.
Type: improvement
Signed-off-by: Radu Nicolau <radu.nicolau@intel.com>
Change-Id: Ie9606e403b7d9655184f778e3ffee3027c8c9edd
Diffstat (limited to 'src/plugins/avf/output.c')
| -rw-r--r-- | src/plugins/avf/output.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/plugins/avf/output.c b/src/plugins/avf/output.c index 952d151117c..c53fc42a850 100644 --- a/src/plugins/avf/output.c +++ b/src/plugins/avf/output.c @@ -441,7 +441,7 @@ avf_tx_enqueue (vlib_main_t * vm, vlib_node_runtime_t * node, avf_txq_t * txq, } txq->next = next & mask; - clib_atomic_store_rel_n (txq->qtx_tail, txq->next); + avf_tail_write (txq->qtx_tail, txq->next); txq->n_enqueued += n_desc; return n_packets - n_packets_left; } |