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net/atlantic: add flow control configuration

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Add support for flow control feature.

Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
This commit is contained in:
Pavel Belous 2018-10-12 11:09:41 +00:00 committed by Ferruh Yigit
parent 3af0d30854
commit 4c1c8f7646
2 changed files with 55 additions and 0 deletions
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1
doc/guides/nics/features/atlantic.ini
View File

@ -14,6 +14,7 @@ Allmulticast mode = Y
RSS hash = Y
RSS key update = Y
RSS reta update = Y
Flow control = Y
CRC offload = Y
L3 checksum offload = Y
L4 checksum offload = Y

54
drivers/net/atlantic/atl_ethdev.c
View File

@ -48,6 +48,12 @@ static void atl_dev_info_get(struct rte_eth_dev *dev,
static const uint32_t *atl_dev_supported_ptypes_get(struct rte_eth_dev *dev);
/* Flow control */
static int atl_flow_ctrl_get(struct rte_eth_dev *dev,
struct rte_eth_fc_conf *fc_conf);
static int atl_flow_ctrl_set(struct rte_eth_dev *dev,
struct rte_eth_fc_conf *fc_conf);
static void atl_dev_link_status_print(struct rte_eth_dev *dev);
/* Interrupts */
@ -219,6 +225,10 @@ static const struct eth_dev_ops atl_eth_dev_ops = {
.rx_descriptor_status = atl_dev_rx_descriptor_status,
.tx_descriptor_status = atl_dev_tx_descriptor_status,
/* Flow Control */
.flow_ctrl_get = atl_flow_ctrl_get,
.flow_ctrl_set = atl_flow_ctrl_set,
.rxq_info_get = atl_rxq_info_get,
.txq_info_get = atl_txq_info_get,
@ -287,6 +297,7 @@ eth_atl_dev_init(struct rte_eth_dev *eth_dev)
AQ_NIC_RATE_1G |
AQ_NIC_RATE_100M;
adapter->hw_cfg.flow_control = (AQ_NIC_FC_RX | AQ_NIC_FC_TX);
adapter->hw_cfg.aq_rss.indirection_table_size =
HW_ATL_B0_RSS_REDIRECTION_MAX;
@ -1026,6 +1037,49 @@ atl_dev_interrupt_handler(void *param)
atl_dev_interrupt_action(dev, dev->intr_handle);
}
static int
atl_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
{
struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);
if (hw->aq_nic_cfg->flow_control == AQ_NIC_FC_OFF)
fc_conf->mode = RTE_FC_NONE;
else if (hw->aq_nic_cfg->flow_control & (AQ_NIC_FC_RX | AQ_NIC_FC_TX))
fc_conf->mode = RTE_FC_FULL;
else if (hw->aq_nic_cfg->flow_control & AQ_NIC_FC_RX)
fc_conf->mode = RTE_FC_RX_PAUSE;
else if (hw->aq_nic_cfg->flow_control & AQ_NIC_FC_RX)
fc_conf->mode = RTE_FC_TX_PAUSE;
return 0;
}
static int
atl_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
{
struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);
uint32_t old_flow_control = hw->aq_nic_cfg->flow_control;
if (hw->aq_fw_ops->set_flow_control == NULL)
return -ENOTSUP;
if (fc_conf->mode == RTE_FC_NONE)
hw->aq_nic_cfg->flow_control = AQ_NIC_FC_OFF;
else if (fc_conf->mode == RTE_FC_RX_PAUSE)
hw->aq_nic_cfg->flow_control = AQ_NIC_FC_RX;
else if (fc_conf->mode == RTE_FC_TX_PAUSE)
hw->aq_nic_cfg->flow_control = AQ_NIC_FC_TX;
else if (fc_conf->mode == RTE_FC_FULL)
hw->aq_nic_cfg->flow_control = (AQ_NIC_FC_RX | AQ_NIC_FC_TX);
if (old_flow_control != hw->aq_nic_cfg->flow_control)
return hw->aq_fw_ops->set_flow_control(hw);
return 0;
}
static int
atl_reta_update(struct rte_eth_dev *dev,
struct rte_eth_rss_reta_entry64 *reta_conf,