From 3b1477b78b31cfc857b69f128312e9964b70871c Mon Sep 17 00:00:00 2001 From: Jun Yang Date: Tue, 7 Jul 2020 14:52:43 +0530 Subject: [PATCH] net/dpaa2: configure per-class distribution size TC distribution size is set with dist_queues or nb_rx_queues % dist_queues in order of TC priority. Signed-off-by: Jun Yang Acked-by: Hemant Agrawal --- drivers/net/dpaa2/base/dpaa2_hw_dpni.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/drivers/net/dpaa2/base/dpaa2_hw_dpni.c b/drivers/net/dpaa2/base/dpaa2_hw_dpni.c index d69156bcc8..25b1d2bb6d 100644 --- a/drivers/net/dpaa2/base/dpaa2_hw_dpni.c +++ b/drivers/net/dpaa2/base/dpaa2_hw_dpni.c @@ -88,7 +88,21 @@ dpaa2_setup_flow_dist(struct rte_eth_dev *eth_dev, struct dpni_rx_dist_cfg tc_cfg; struct dpkg_profile_cfg kg_cfg; void *p_params; - int ret; + int ret, tc_dist_queues; + + /*TC distribution size is set with dist_queues or + * nb_rx_queues % dist_queues in order of TC priority index. + * Calculating dist size for this tc_index:- + */ + tc_dist_queues = eth_dev->data->nb_rx_queues - + tc_index * priv->dist_queues; + if (tc_dist_queues <= 0) { + DPAA2_PMD_INFO("No distribution on TC%d", tc_index); + return 0; + } + + if (tc_dist_queues > priv->dist_queues) + tc_dist_queues = priv->dist_queues; p_params = rte_malloc( NULL, DIST_PARAM_IOVA_SIZE, RTE_CACHE_LINE_SIZE); @@ -109,7 +123,7 @@ dpaa2_setup_flow_dist(struct rte_eth_dev *eth_dev, } tc_cfg.key_cfg_iova = (uint64_t)(DPAA2_VADDR_TO_IOVA(p_params)); - tc_cfg.dist_size = priv->dist_queues; + tc_cfg.dist_size = tc_dist_queues; tc_cfg.enable = true; tc_cfg.tc = tc_index; -- 2.20.1