.remove = eth_i40e_pci_remove,
};
-static inline int
-rte_i40e_dev_atomic_read_link_status(struct rte_eth_dev *dev,
- struct rte_eth_link *link)
-{
- struct rte_eth_link *dst = link;
- struct rte_eth_link *src = &(dev->data->dev_link);
-
- if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
- *(uint64_t *)src) == 0)
- return -1;
-
- return 0;
-}
-
-static inline int
-rte_i40e_dev_atomic_write_link_status(struct rte_eth_dev *dev,
- struct rte_eth_link *link)
-{
- struct rte_eth_link *dst = &(dev->data->dev_link);
- struct rte_eth_link *src = link;
-
- if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
- *(uint64_t *)src) == 0)
- return -1;
-
- return 0;
-}
-
static inline void
i40e_write_global_rx_ctl(struct i40e_hw *hw, u32 reg_addr, u32 reg_val)
{
return i40e_phy_conf_link(hw, abilities, speed, false);
}
-int
-i40e_dev_link_update(struct rte_eth_dev *dev,
- int wait_to_complete)
+static __rte_always_inline void
+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 __rte_always_inline void
+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 {
+ memset(&link_status, 0, sizeof(link_status));
+
/* 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)
- break;
+ link->link_status = link_status.link_info & I40E_AQ_LINK_UP;
+ if (unlikely(link->link_status != 0))
+ return;
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;
+ bool enable_lse = dev->data->dev_conf.intr_conf.lsc ? true : false;
+ int ret;
+
+ memset(&link, 0, sizeof(link));
+ /* 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:
- rte_i40e_dev_atomic_write_link_status(dev, &link);
- if (link.link_status == old.link_status)
- return -1;
+ if (!wait_to_complete)
+ update_link_no_wait(hw, &link);
+ else
+ update_link_wait(hw, &link, enable_lse);
+ ret = rte_eth_linkstatus_set(dev, &link);
i40e_notify_all_vfs_link_status(dev);
- return 0;
+ return ret;
}
/* Get all the statistics of a VSI */
uint32_t tsync_inc_h;
/* Get current link speed. */
- memset(&link, 0, sizeof(link));
i40e_dev_link_update(dev, 1);
- rte_i40e_dev_atomic_read_link_status(dev, &link);
+ rte_eth_linkstatus_get(dev, &link);
switch (link.link_speed) {
case ETH_SPEED_NUM_40G:
git.droids-corp.org / dpdk.git / blobdiff