[dpdk-dev] [PATCH 29/37] net/txgbe: support TM shaper profile add and delete

[Jiawen Wu <jiawenwu@trustnetic.com>]

Support traffic manager profile add and delete operations.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
---
 drivers/net/txgbe/txgbe_tm.c | 129 +++++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)

diff --git a/drivers/net/txgbe/txgbe_tm.c b/drivers/net/txgbe/txgbe_tm.c
index 545590ba2..8adb03825 100644
--- a/drivers/net/txgbe/txgbe_tm.c
+++ b/drivers/net/txgbe/txgbe_tm.c
@@ -9,6 +9,13 @@
 static int txgbe_tm_capabilities_get(struct rte_eth_dev *dev,
 				     struct rte_tm_capabilities *cap,
 				     struct rte_tm_error *error);
+static int txgbe_shaper_profile_add(struct rte_eth_dev *dev,
+				    uint32_t shaper_profile_id,
+				    struct rte_tm_shaper_params *profile,
+				    struct rte_tm_error *error);
+static int txgbe_shaper_profile_del(struct rte_eth_dev *dev,
+				    uint32_t shaper_profile_id,
+				    struct rte_tm_error *error);
 static int txgbe_level_capabilities_get(struct rte_eth_dev *dev,
 					uint32_t level_id,
 					struct rte_tm_level_capabilities *cap,
@@ -20,6 +27,8 @@ static int txgbe_node_capabilities_get(struct rte_eth_dev *dev,
 
 const struct rte_tm_ops txgbe_tm_ops = {
 	.capabilities_get = txgbe_tm_capabilities_get,
+	.shaper_profile_add = txgbe_shaper_profile_add,
+	.shaper_profile_delete = txgbe_shaper_profile_del,
 	.level_capabilities_get = txgbe_level_capabilities_get,
 	.node_capabilities_get = txgbe_node_capabilities_get,
 };
@@ -174,6 +183,126 @@ txgbe_tm_capabilities_get(struct rte_eth_dev *dev,
 	return 0;
 }
 
+static inline struct txgbe_tm_shaper_profile *
+txgbe_shaper_profile_search(struct rte_eth_dev *dev,
+			    uint32_t shaper_profile_id)
+{
+	struct txgbe_tm_conf *tm_conf = TXGBE_DEV_TM_CONF(dev);
+	struct txgbe_shaper_profile_list *shaper_profile_list =
+		&tm_conf->shaper_profile_list;
+	struct txgbe_tm_shaper_profile *shaper_profile;
+
+	TAILQ_FOREACH(shaper_profile, shaper_profile_list, node) {
+		if (shaper_profile_id == shaper_profile->shaper_profile_id)
+			return shaper_profile;
+	}
+
+	return NULL;
+}
+
+static int
+txgbe_shaper_profile_param_check(struct rte_tm_shaper_params *profile,
+				 struct rte_tm_error *error)
+{
+	/* min rate not supported */
+	if (profile->committed.rate) {
+		error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE_COMMITTED_RATE;
+		error->message = "committed rate not supported";
+		return -EINVAL;
+	}
+	/* min bucket size not supported */
+	if (profile->committed.size) {
+		error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE_COMMITTED_SIZE;
+		error->message = "committed bucket size not supported";
+		return -EINVAL;
+	}
+	/* max bucket size not supported */
+	if (profile->peak.size) {
+		error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE_PEAK_SIZE;
+		error->message = "peak bucket size not supported";
+		return -EINVAL;
+	}
+	/* length adjustment not supported */
+	if (profile->pkt_length_adjust) {
+		error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE_PKT_ADJUST_LEN;
+		error->message = "packet length adjustment not supported";
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int
+txgbe_shaper_profile_add(struct rte_eth_dev *dev,
+			 uint32_t shaper_profile_id,
+			 struct rte_tm_shaper_params *profile,
+			 struct rte_tm_error *error)
+{
+	struct txgbe_tm_conf *tm_conf = TXGBE_DEV_TM_CONF(dev);
+	struct txgbe_tm_shaper_profile *shaper_profile;
+	int ret;
+
+	if (!profile || !error)
+		return -EINVAL;
+
+	ret = txgbe_shaper_profile_param_check(profile, error);
+	if (ret)
+		return ret;
+
+	shaper_profile = txgbe_shaper_profile_search(dev, shaper_profile_id);
+
+	if (shaper_profile) {
+		error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE_ID;
+		error->message = "profile ID exist";
+		return -EINVAL;
+	}
+
+	shaper_profile = rte_zmalloc("txgbe_tm_shaper_profile",
+				     sizeof(struct txgbe_tm_shaper_profile),
+				     0);
+	if (!shaper_profile)
+		return -ENOMEM;
+	shaper_profile->shaper_profile_id = shaper_profile_id;
+	rte_memcpy(&shaper_profile->profile, profile,
+			 sizeof(struct rte_tm_shaper_params));
+	TAILQ_INSERT_TAIL(&tm_conf->shaper_profile_list,
+			  shaper_profile, node);
+
+	return 0;
+}
+
+static int
+txgbe_shaper_profile_del(struct rte_eth_dev *dev,
+			 uint32_t shaper_profile_id,
+			 struct rte_tm_error *error)
+{
+	struct txgbe_tm_conf *tm_conf = TXGBE_DEV_TM_CONF(dev);
+	struct txgbe_tm_shaper_profile *shaper_profile;
+
+	if (!error)
+		return -EINVAL;
+
+	shaper_profile = txgbe_shaper_profile_search(dev, shaper_profile_id);
+
+	if (!shaper_profile) {
+		error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE_ID;
+		error->message = "profile ID not exist";
+		return -EINVAL;
+	}
+
+	/* don't delete a profile if it's used by one or several nodes */
+	if (shaper_profile->reference_count) {
+		error->type = RTE_TM_ERROR_TYPE_SHAPER_PROFILE;
+		error->message = "profile in use";
+		return -EINVAL;
+	}
+
+	TAILQ_REMOVE(&tm_conf->shaper_profile_list, shaper_profile, node);
+	rte_free(shaper_profile);
+
+	return 0;
+}
+
 static inline struct txgbe_tm_node *
 txgbe_tm_node_search(struct rte_eth_dev *dev, uint32_t node_id,
 		     enum txgbe_tm_node_type *node_type)
-- 
2.18.4