This patch adds API to support setting TX rate for a queue and a VF.
Signed-off-by: Ouyang Changchun <changchun.ouyang at intel.com>
---
lib/librte_ether/rte_ethdev.c | 71 +++++++++++++++++++++++++++++++++++++++++++
lib/librte_ether/rte_ethdev.h | 51 +++++++++++++++++++++++++++++++
2 files changed, 122 insertions(+)
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index a5727dd..1ea61e1 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -1913,6 +1913,77 @@ rte_eth_dev_set_vf_vlan_filter(uint8_t port_id, uint16_t
vlan_id,
vf_mask,vlan_on);
}
+int rte_eth_set_queue_rate_limit(uint8_t port_id, uint16_t queue_idx,
+ uint16_t tx_rate)
+{
+ struct rte_eth_dev *dev;
+ struct rte_eth_dev_info dev_info;
+ struct rte_eth_link link;
+
+ if (port_id >= nb_ports) {
+ PMD_DEBUG_TRACE("set queue rate limit:invalid port id=%d\n",
+ port_id);
+ return -ENODEV;
+ }
+
+ dev = &rte_eth_devices[port_id];
+ rte_eth_dev_info_get(port_id, &dev_info);
+ link = dev->data->dev_link;
+
+ if (queue_idx > dev_info.max_tx_queues) {
+ PMD_DEBUG_TRACE("set queue rate limit:port %d: "
+ "invalid queue id=%d\n", port_id, queue_idx);
+ return -EINVAL;
+ }
+
+ if (tx_rate > link.link_speed) {
+ PMD_DEBUG_TRACE("set queue rate limit:invalid tx_rate=%d, "
+ "bigger than link speed= %d\n",
+ tx_rate, link_speed);
+ return -EINVAL;
+ }
+
+ FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_queue_rate_limit, -ENOTSUP);
+ return (*dev->dev_ops->set_queue_rate_limit)(dev, queue_idx, tx_rate);
+}
+
+int rte_eth_set_vf_rate_limit(uint8_t port_id, uint16_t vf, uint16_t tx_rate,
+ uint64_t q_msk)
+{
+ struct rte_eth_dev *dev;
+ struct rte_eth_dev_info dev_info;
+ struct rte_eth_link link;
+
+ if (q_msk == 0)
+ return 0;
+
+ if (port_id >= nb_ports) {
+ PMD_DEBUG_TRACE("set VF rate limit:invalid port id=%d\n",
+ port_id);
+ return -ENODEV;
+ }
+
+ dev = &rte_eth_devices[port_id];
+ rte_eth_dev_info_get(port_id, &dev_info);
+ link = dev->data->dev_link;
+
+ if (vf > dev_info.max_vfs) {
+ PMD_DEBUG_TRACE("set VF rate limit:port %d: "
+ "invalid vf id=%d\n", port_id, vf);
+ return -EINVAL;
+ }
+
+ if (tx_rate > link.link_speed) {
+ PMD_DEBUG_TRACE("set VF rate limit:invalid tx_rate=%d, "
+ "bigger than link speed= %d\n",
+ tx_rate, link_speed);
+ return -EINVAL;
+ }
+
+ FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_vf_rate_limit, -ENOTSUP);
+ return (*dev->dev_ops->set_vf_rate_limit)(dev, vf, tx_rate, q_msk);
+}
+
int
rte_eth_mirror_rule_set(uint8_t port_id,
struct rte_eth_vmdq_mirror_conf *mirror_conf,
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index d5ea46b..445d40a 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1012,6 +1012,17 @@ typedef int (*eth_set_vf_vlan_filter_t)(struct
rte_eth_dev *dev,
uint8_t vlan_on);
/**< @internal Set VF VLAN pool filter */
+typedef int (*eth_set_queue_rate_limit_t)(struct rte_eth_dev *dev,
+ uint16_t queue_idx,
+ uint16_t tx_rate);
+/**< @internal Set queue TX rate */
+
+typedef int (*eth_set_vf_rate_limit_t)(struct rte_eth_dev *dev,
+ uint16_t vf,
+ uint16_t tx_rate,
+ uint64_t q_msk);
+/**< @internal Set VF TX rate */
+
typedef int (*eth_mirror_rule_set_t)(struct rte_eth_dev *dev,
struct rte_eth_vmdq_mirror_conf *mirror_conf,
uint8_t rule_id,
@@ -1119,6 +1130,8 @@ struct eth_dev_ops {
eth_set_vf_rx_t set_vf_rx; /**< enable/disable a VF receive
*/
eth_set_vf_tx_t set_vf_tx; /**< enable/disable a VF
transmit */
eth_set_vf_vlan_filter_t set_vf_vlan_filter; /**< Set VF VLAN filter
*/
+ eth_set_queue_rate_limit_t set_queue_rate_limit; /**< Set queue rate
limit */
+ eth_set_vf_rate_limit_t set_vf_rate_limit; /**< Set VF rate limit
*/
/** Add a signature filter. */
fdir_add_signature_filter_t fdir_add_signature_filter;
@@ -2561,6 +2574,44 @@ int rte_eth_mirror_rule_reset(uint8_t port_id,
uint8_t rule_id);
/**
+ * Set the rate limitation for a queue on an Ethernet device.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param queue_idx
+ * The queue id.
+ * @param tx_rate
+ * The tx rate allocated from the total link speed for this queue.
+ * @return
+ * - (0) if successful.
+ * - (-ENOTSUP) if hardware doesn't support this feature.
+ * - (-ENODEV) if *port_id* invalid.
+ * - (-EINVAL) if bad parameter.
+ */
+int rte_eth_set_queue_rate_limit(uint8_t port_id, uint16_t queue_idx,
+ uint16_t tx_rate);
+
+/**
+ * Set the rate limitation for a vf on an Ethernet device.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param vf
+ * VF id.
+ * @param tx_rate
+ * The tx rate allocated from the total link speed for this VF id.
+ * @param q_msk
+ * The queue mask which need to set the rate.
+ * @return
+ * - (0) if successful.
+ * - (-ENOTSUP) if hardware doesn't support this feature.
+ * - (-ENODEV) if *port_id* invalid.
+ * - (-EINVAL) if bad parameter.
+ */
+int rte_eth_set_vf_rate_limit(uint8_t port_id, uint16_t vf,
+ uint16_t tx_rate, uint64_t q_msk);
+
+/**
* Initialize bypass logic. This function needs to be called before
* executing any other bypass API.
*
--
1.9.0
