diff options
Diffstat (limited to 'drivers/net/i40e/i40e_ethdev.c')
| -rw-r--r-- | drivers/net/i40e/i40e_ethdev.c | 147 |
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; |