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path: root/drivers/net/i40e/i40e_ethdev.c
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Diffstat (limited to 'drivers/net/i40e/i40e_ethdev.c')
-rw-r--r--drivers/net/i40e/i40e_ethdev.c147
1 files changed, 111 insertions, 36 deletions
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 0b270b69..7e93c3e1 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -1316,6 +1316,7 @@ eth_i40e_dev_uninit(struct rte_eth_dev *dev)
struct i40e_filter_control_settings settings;
int ret;
uint8_t aq_fail = 0;
+ int retries = 0;
PMD_INIT_FUNC_TRACE();
@@ -1355,9 +1356,20 @@ eth_i40e_dev_uninit(struct rte_eth_dev *dev)
/* disable uio intr before callback unregister */
rte_intr_disable(&(pci_dev->intr_handle));
- /* register callback func to eal lib */
- rte_intr_callback_unregister(&(pci_dev->intr_handle),
- i40e_dev_interrupt_handler, (void *)dev);
+ /* unregister callback func to eal lib */
+ do {
+ ret = rte_intr_callback_unregister(&(pci_dev->intr_handle),
+ i40e_dev_interrupt_handler, (void *)dev);
+ if (ret >= 0) {
+ break;
+ } else if (ret != -EAGAIN) {
+ PMD_INIT_LOG(ERR,
+ "intr callback unregister failed: %d",
+ ret);
+ return ret;
+ }
+ i40e_msec_delay(500);
+ } while (retries++ < 5);
return 0;
}
@@ -1996,6 +2008,8 @@ i40e_dev_close(struct rte_eth_dev *dev)
i40e_pf_disable_irq0(hw);
rte_intr_disable(&(dev->pci_dev->intr_handle));
+ i40e_fdir_teardown(pf);
+
/* shutdown and destroy the HMC */
i40e_shutdown_lan_hmc(hw);
@@ -2007,7 +2021,6 @@ i40e_dev_close(struct rte_eth_dev *dev)
pf->vmdq = NULL;
/* release all the existing VSIs and VEBs */
- i40e_fdir_teardown(pf);
i40e_vsi_release(pf->main_vsi);
/* shutdown the adminq */
@@ -2117,77 +2130,139 @@ i40e_dev_set_link_down(struct rte_eth_dev *dev)
return i40e_phy_conf_link(hw, abilities, speed, false);
}
-int
-i40e_dev_link_update(struct rte_eth_dev *dev,
- int wait_to_complete)
+static inline void __attribute__((always_inline))
+update_link_no_wait(struct i40e_hw *hw, struct rte_eth_link *link)
+{
+/* Link status registers and values*/
+#define I40E_PRTMAC_LINKSTA 0x001E2420
+#define I40E_REG_LINK_UP 0x40000080
+#define I40E_PRTMAC_MACC 0x001E24E0
+#define I40E_REG_MACC_25GB 0x00020000
+#define I40E_REG_SPEED_MASK 0x38000000
+#define I40E_REG_SPEED_100MB 0x00000000
+#define I40E_REG_SPEED_1GB 0x08000000
+#define I40E_REG_SPEED_10GB 0x10000000
+#define I40E_REG_SPEED_20GB 0x20000000
+#define I40E_REG_SPEED_25_40GB 0x18000000
+ uint32_t link_speed;
+ uint32_t reg_val;
+
+ reg_val = I40E_READ_REG(hw, I40E_PRTMAC_LINKSTA);
+ link_speed = reg_val & I40E_REG_SPEED_MASK;
+ reg_val &= I40E_REG_LINK_UP;
+ link->link_status = (reg_val == I40E_REG_LINK_UP) ? 1 : 0;
+
+ if (unlikely(link->link_status == 0))
+ return;
+
+ /* Parse the link status */
+ switch (link_speed) {
+ case I40E_REG_SPEED_100MB:
+ link->link_speed = ETH_SPEED_NUM_100M;
+ break;
+ case I40E_REG_SPEED_1GB:
+ link->link_speed = ETH_SPEED_NUM_1G;
+ break;
+ case I40E_REG_SPEED_10GB:
+ link->link_speed = ETH_SPEED_NUM_10G;
+ break;
+ case I40E_REG_SPEED_20GB:
+ link->link_speed = ETH_SPEED_NUM_20G;
+ break;
+ case I40E_REG_SPEED_25_40GB:
+ reg_val = I40E_READ_REG(hw, I40E_PRTMAC_MACC);
+
+ if (reg_val & I40E_REG_MACC_25GB)
+ link->link_speed = ETH_SPEED_NUM_25G;
+ else
+ link->link_speed = ETH_SPEED_NUM_40G;
+
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "Unknown link speed info %u", link_speed);
+ break;
+ }
+}
+
+static inline void __attribute__((always_inline))
+update_link_wait(struct i40e_hw *hw, struct rte_eth_link *link,
+ bool enable_lse)
{
-#define CHECK_INTERVAL 100 /* 100ms */
-#define MAX_REPEAT_TIME 10 /* 1s (10 * 100ms) in total */
- struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+#define CHECK_INTERVAL 100 /* 100ms */
+#define MAX_REPEAT_TIME 10 /* 1s (10 * 100ms) in total */
+ uint32_t rep_cnt = MAX_REPEAT_TIME;
struct i40e_link_status link_status;
- struct rte_eth_link link, old;
int status;
- unsigned rep_cnt = MAX_REPEAT_TIME;
- bool enable_lse = dev->data->dev_conf.intr_conf.lsc ? true : false;
- memset(&link, 0, sizeof(link));
- memset(&old, 0, sizeof(old));
memset(&link_status, 0, sizeof(link_status));
- rte_i40e_dev_atomic_read_link_status(dev, &old);
do {
/* Get link status information from hardware */
status = i40e_aq_get_link_info(hw, enable_lse,
&link_status, NULL);
- if (status != I40E_SUCCESS) {
- link.link_speed = ETH_SPEED_NUM_100M;
- link.link_duplex = ETH_LINK_FULL_DUPLEX;
+ if (unlikely(status != I40E_SUCCESS)) {
+ link->link_speed = ETH_SPEED_NUM_100M;
+ link->link_duplex = ETH_LINK_FULL_DUPLEX;
PMD_DRV_LOG(ERR, "Failed to get link info");
- goto out;
+ return;
}
- link.link_status = link_status.link_info & I40E_AQ_LINK_UP;
- if (!wait_to_complete || link.link_status)
+ link->link_status = link_status.link_info & I40E_AQ_LINK_UP;
+ if (unlikely(link->link_status != 0))
break;
rte_delay_ms(CHECK_INTERVAL);
} while (--rep_cnt);
- if (!link.link_status)
- goto out;
-
- /* i40e uses full duplex only */
- link.link_duplex = ETH_LINK_FULL_DUPLEX;
-
/* Parse the link status */
switch (link_status.link_speed) {
case I40E_LINK_SPEED_100MB:
- link.link_speed = ETH_SPEED_NUM_100M;
+ link->link_speed = ETH_SPEED_NUM_100M;
break;
case I40E_LINK_SPEED_1GB:
- link.link_speed = ETH_SPEED_NUM_1G;
+ link->link_speed = ETH_SPEED_NUM_1G;
break;
case I40E_LINK_SPEED_10GB:
- link.link_speed = ETH_SPEED_NUM_10G;
+ link->link_speed = ETH_SPEED_NUM_10G;
break;
case I40E_LINK_SPEED_20GB:
- link.link_speed = ETH_SPEED_NUM_20G;
+ link->link_speed = ETH_SPEED_NUM_20G;
break;
case I40E_LINK_SPEED_25GB:
- link.link_speed = ETH_SPEED_NUM_25G;
+ link->link_speed = ETH_SPEED_NUM_25G;
break;
case I40E_LINK_SPEED_40GB:
- link.link_speed = ETH_SPEED_NUM_40G;
+ link->link_speed = ETH_SPEED_NUM_40G;
break;
default:
- link.link_speed = ETH_SPEED_NUM_100M;
+ link->link_speed = ETH_SPEED_NUM_100M;
break;
}
+}
+
+int
+i40e_dev_link_update(struct rte_eth_dev *dev,
+ int wait_to_complete)
+{
+ struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct rte_eth_link link, old;
+ bool enable_lse = dev->data->dev_conf.intr_conf.lsc ? true : false;
+
+ memset(&link, 0, sizeof(link));
+ memset(&old, 0, sizeof(old));
+ rte_i40e_dev_atomic_read_link_status(dev, &old);
+
+ /* i40e uses full duplex only */
+ link.link_duplex = ETH_LINK_FULL_DUPLEX;
link.link_autoneg = !(dev->data->dev_conf.link_speeds &
ETH_LINK_SPEED_FIXED);
-out:
+ if (!wait_to_complete)
+ update_link_no_wait(hw, &link);
+ else
+ update_link_wait(hw, &link, enable_lse);
+
rte_i40e_dev_atomic_write_link_status(dev, &link);
if (link.link_status == old.link_status)
return -1;