From 1784c5f9472e6dea20deab2ecefec59c90cd4d58 Mon Sep 17 00:00:00 2001 From: Jiawen Wu Date: Fri, 18 Dec 2020 17:36:56 +0800 Subject: [PATCH] net/txgbe: add TM hierarchy commit Add traffic manager hierarchy commit. Signed-off-by: Jiawen Wu --- drivers/net/txgbe/txgbe_tm.c | 70 ++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) diff --git a/drivers/net/txgbe/txgbe_tm.c b/drivers/net/txgbe/txgbe_tm.c index 6dd593e54e..b8edd78bf2 100644 --- a/drivers/net/txgbe/txgbe_tm.c +++ b/drivers/net/txgbe/txgbe_tm.c @@ -33,6 +33,9 @@ static int txgbe_node_capabilities_get(struct rte_eth_dev *dev, uint32_t node_id, struct rte_tm_node_capabilities *cap, struct rte_tm_error *error); +static int txgbe_hierarchy_commit(struct rte_eth_dev *dev, + int clear_on_fail, + struct rte_tm_error *error); const struct rte_tm_ops txgbe_tm_ops = { .capabilities_get = txgbe_tm_capabilities_get, @@ -43,6 +46,7 @@ const struct rte_tm_ops txgbe_tm_ops = { .node_type_get = txgbe_node_type_get, .level_capabilities_get = txgbe_level_capabilities_get, .node_capabilities_get = txgbe_node_capabilities_get, + .hierarchy_commit = txgbe_hierarchy_commit, }; int @@ -950,3 +954,69 @@ txgbe_node_capabilities_get(struct rte_eth_dev *dev, return 0; } +static int +txgbe_hierarchy_commit(struct rte_eth_dev *dev, + int clear_on_fail, + struct rte_tm_error *error) +{ + struct txgbe_tm_conf *tm_conf = TXGBE_DEV_TM_CONF(dev); + struct txgbe_tm_node *tm_node; + uint64_t bw; + int ret; + + if (!error) + return -EINVAL; + + /* check the setting */ + if (!tm_conf->root) + goto done; + + /* not support port max bandwidth yet */ + if (tm_conf->root->shaper_profile && + tm_conf->root->shaper_profile->profile.peak.rate) { + error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE; + error->message = "no port max bandwidth"; + goto fail_clear; + } + + /* HW not support TC max bandwidth */ + TAILQ_FOREACH(tm_node, &tm_conf->tc_list, node) { + if (tm_node->shaper_profile && + tm_node->shaper_profile->profile.peak.rate) { + error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE; + error->message = "no TC max bandwidth"; + goto fail_clear; + } + } + + /* queue max bandwidth */ + TAILQ_FOREACH(tm_node, &tm_conf->queue_list, node) { + if (tm_node->shaper_profile) + bw = tm_node->shaper_profile->profile.peak.rate; + else + bw = 0; + if (bw) { + /* interpret Bps to Mbps */ + bw = bw * 8 / 1000 / 1000; + ret = txgbe_set_queue_rate_limit(dev, tm_node->no, bw); + if (ret) { + error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE; + error->message = + "failed to set queue max bandwidth"; + goto fail_clear; + } + } + } + +done: + tm_conf->committed = true; + return 0; + +fail_clear: + /* clear all the traffic manager configuration */ + if (clear_on_fail) { + txgbe_tm_conf_uninit(dev); + txgbe_tm_conf_init(dev); + } + return -EINVAL; +} -- 2.20.1