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net/ionic: support flow control

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Add support for managing Flow Control.

Signed-off-by: Alfredo Cardigliano <cardigliano@ntop.org>
Reviewed-by: Shannon Nelson <snelson@pensando.io>
This commit is contained in:
Alfredo Cardigliano 2020-01-19 16:53:50 +01:00 committed by Ferruh Yigit
parent 54fe083f53
commit ec15c66b9b
2 changed files with 57 additions and 0 deletions
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1
doc/guides/nics/features/ionic.ini
View File

@ -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

56
drivers/net/ionic/ionic_ethdev.c
View File

@ -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;
@ -57,6 +61,8 @@ 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,
};
/*
@ -240,6 +246,56 @@ 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)
{