[v2,12/17] net/ionic: add Flow Control support
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Commit Message
Add support for managing Flow Control.
Signed-off-by: Alfredo Cardigliano <cardigliano@ntop.org>
Reviewed-by: Shannon Nelson <snelson@pensando.io>
---
doc/guides/nics/features/ionic.ini | 1 +
drivers/net/ionic/ionic_ethdev.c | 56 ++++++++++++++++++++++++++++++
2 files changed, 57 insertions(+)
@@ -12,6 +12,7 @@ Promiscuous mode = Y
Allmulticast mode = Y
Unicast MAC filter = Y
VLAN filter = Y
+Flow control = Y
Linux UIO = Y
Linux VFIO = Y
x86-64 = Y
@@ -29,6 +29,10 @@ static int ionic_dev_set_link_up(struct rte_eth_dev *dev);
static int ionic_dev_set_link_down(struct rte_eth_dev *dev);
static int ionic_dev_link_update(struct rte_eth_dev *eth_dev,
int wait_to_complete);
+static int ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev,
+ struct rte_eth_fc_conf *fc_conf);
+static int ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev,
+ struct rte_eth_fc_conf *fc_conf);
int ionic_logtype_init;
int ionic_logtype_driver;
@@ -58,6 +62,8 @@ static const struct eth_dev_ops ionic_eth_dev_ops = {
.promiscuous_disable = ionic_dev_promiscuous_disable,
.allmulticast_enable = ionic_dev_allmulticast_enable,
.allmulticast_disable = ionic_dev_allmulticast_disable,
+ .flow_ctrl_get = ionic_flow_ctrl_get,
+ .flow_ctrl_set = ionic_flow_ctrl_set,
};
/*
@@ -247,6 +253,56 @@ ionic_dev_info_get(struct rte_eth_dev *eth_dev,
return 0;
}
+static int
+ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev,
+ struct rte_eth_fc_conf *fc_conf)
+{
+ struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
+ struct ionic_adapter *adapter = lif->adapter;
+ struct ionic_dev *idev = &adapter->idev;
+
+ if (idev->port_info) {
+ fc_conf->autoneg = idev->port_info->config.an_enable;
+
+ if (idev->port_info->config.pause_type)
+ fc_conf->mode = RTE_FC_FULL;
+ else
+ fc_conf->mode = RTE_FC_NONE;
+ }
+
+ return 0;
+}
+
+static int
+ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev,
+ struct rte_eth_fc_conf *fc_conf)
+{
+ struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
+ struct ionic_adapter *adapter = lif->adapter;
+ struct ionic_dev *idev = &adapter->idev;
+ uint8_t pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
+ uint8_t an_enable;
+
+ switch (fc_conf->mode) {
+ case RTE_FC_NONE:
+ pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
+ break;
+ case RTE_FC_FULL:
+ pause_type = IONIC_PORT_PAUSE_TYPE_LINK;
+ break;
+ case RTE_FC_RX_PAUSE:
+ case RTE_FC_TX_PAUSE:
+ return -ENOTSUP;
+ }
+
+ an_enable = fc_conf->autoneg;
+
+ ionic_dev_cmd_port_pause(idev, pause_type);
+ ionic_dev_cmd_port_autoneg(idev, an_enable);
+
+ return 0;
+}
+
static int
ionic_dev_configure(struct rte_eth_dev *eth_dev)
{