net/txgbe: add TM hierarchy commit

Add traffic manager hierarchy commit.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>

diff --git a/drivers/net/txgbe/txgbe_tm.c b/drivers/net/txgbe/txgbe_tm.c
index 6dd593e..b8edd78 100644 (file)
--- 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;
+}