[dpdk-dev] [PATCH 1/2] net/i40e: add func to check link speed

[Zhang Qi <qi.z.zhang@intel.com>]

Add a help function to check link speed by device ID.
Replace macro "i40e_is_40G_device" with the new function.

Signed-off-by: Zhang Qi <qi.z.zhang@intel.com>
---
 drivers/net/i40e/i40e_ethdev.c | 19 ++++++++++++-------
 drivers/net/i40e/i40e_ethdev.h | 42 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 54 insertions(+), 7 deletions(-)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index acc25a2..fc7e128 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -1642,7 +1642,7 @@ i40e_apply_link_speed(struct rte_eth_dev *dev)
 	uint8_t abilities = 0;
 	struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 	struct rte_eth_conf *conf = &dev->data->dev_conf;
-
+	enum i40e_aq_link_speed link_speed = i40e_get_link_speed_by_devid(hw->device_id);
 	speed = i40e_parse_link_speeds(conf->link_speeds);
 	abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
 	if (!(conf->link_speeds & ETH_LINK_SPEED_FIXED))
@@ -1650,7 +1650,7 @@ i40e_apply_link_speed(struct rte_eth_dev *dev)
 	abilities |= I40E_AQ_PHY_LINK_ENABLED;
 
 	/* Skip changing speed on 40G interfaces, FW does not support */
-	if (i40e_is_40G_device(hw->device_id)) {
+	if (link_speed == I40E_LINK_SPEED_40GB) {
 		speed =  I40E_LINK_SPEED_UNKNOWN;
 		abilities |= I40E_AQ_PHY_AN_ENABLED;
 	}
@@ -2554,6 +2554,7 @@ i40e_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 	struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
 	struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 	struct i40e_vsi *vsi = pf->main_vsi;
+	enum i40e_aq_link_speed link_speed = I40E_LINK_SPEED_UNKNOWN;
 
 	dev_info->max_rx_queues = vsi->nb_qps;
 	dev_info->max_tx_queues = vsi->nb_qps;
@@ -2624,8 +2625,9 @@ i40e_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 		dev_info->max_rx_queues += dev_info->vmdq_queue_num;
 		dev_info->max_tx_queues += dev_info->vmdq_queue_num;
 	}
-
-	if (i40e_is_40G_device(hw->device_id))
+	
+	link_speed = i40e_get_link_speed_by_devid(hw->device_id);
+	if (link_speed == I40E_LINK_SPEED_40GB)
 		/* For XL710 */
 		dev_info->speed_capa = ETH_LINK_SPEED_40G;
 	else
@@ -2845,6 +2847,7 @@ i40e_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
 		[RTE_FC_TX_PAUSE] = I40E_FC_TX_PAUSE,
 		[RTE_FC_FULL] = I40E_FC_FULL
 	};
+	enum i40e_aq_link_speed link_speed = I40E_LINK_SPEED_UNKNOWN;
 
 	/* high_water field in the rte_eth_fc_conf using the kilobytes unit */
 
@@ -2872,8 +2875,9 @@ i40e_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
 	err = i40e_set_fc(hw, &aq_failure, true);
 	if (err < 0)
 		return -ENOSYS;
-
-	if (i40e_is_40G_device(hw->device_id)) {
+	
+	link_speed = i40e_get_link_speed_by_devid(hw->device_id);
+	if (link_speed == I40E_LINK_SPEED_40GB) {
 		/* Configure flow control refresh threshold,
 		 * the value for stat_tx_pause_refresh_timer[8]
 		 * is used for global pause operation.
@@ -8069,10 +8073,11 @@ i40e_configure_registers(struct i40e_hw *hw)
 	uint64_t reg;
 	uint32_t i;
 	int ret;
+	enum i40e_aq_link_speed link_speed = i40e_get_link_speed_by_devid(hw->device_id);
 
 	for (i = 0; i < RTE_DIM(reg_table); i++) {
 		if (reg_table[i].addr == I40E_GL_SWR_PM_UP_THR) {
-			if (i40e_is_40G_device(hw->device_id)) /* For XL710 */
+			if (link_speed == I40E_LINK_SPEED_40GB) /* For XL710 */
 				reg_table[i].val =
 					I40E_GL_SWR_PM_UP_THR_SF_VALUE;
 			else /* For X710 */
diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h
index 92c8fad..633bcdf 100644
--- a/drivers/net/i40e/i40e_ethdev.h
+++ b/drivers/net/i40e/i40e_ethdev.h
@@ -712,4 +712,46 @@ i40e_calc_itr_interval(int16_t interval)
 	(pctype) == I40E_FILTER_PCTYPE_NONF_IPV6_OTHER || \
 	(pctype) == I40E_FILTER_PCTYPE_L2_PAYLOAD)
 
+static inline enum i40e_aq_link_speed
+i40e_get_link_speed_by_devid(u16 dev_id)
+{
+	switch (dev_id) {
+	case I40E_DEV_ID_10G_BASE_T:
+	case I40E_DEV_ID_10G_BASE_T4:
+#ifdef X722_SUPPORT
+#ifdef X722_A0_SUPPORT
+	case I40E_DEV_ID_X722_A0:
+#if defined(INTEGRATED_VF) || defined(VF_DRIVER)
+	case I40E_DEV_ID_X722_A0_VF:
+#endif
+#endif
+	case I40E_DEV_ID_KX_X722:
+	case I40E_DEV_ID_QSFP_X722:
+	case I40E_DEV_ID_SFP_X722:
+	case I40E_DEV_ID_1G_BASE_T_X722:
+	case I40E_DEV_ID_10G_BASE_T_X722:
+	case I40E_DEV_ID_SFP_I_X722:
+#define I40E_DEV_ID_QSFP_I_X722		0x37D4
+#if defined(INTEGRATED_VF) || defined(VF_DRIVER) || defined(I40E_NDIS_SUPPORT)
+	case I40E_DEV_ID_X722_VF:
+	case I40E_DEV_ID_X722_VF_HV:
+#endif
+#endif
+		return I40E_LINK_SPEED_10GB;
+	case I40E_DEV_ID_20G_KR2:
+	case I40E_DEV_ID_20G_KR2_A:
+		return I40E_LINK_SPEED_20GB;
+	case I40E_DEV_ID_25G_B:
+	case I40E_DEV_ID_25G_SFP28:
+		return I40E_LINK_SPEED_25GB;
+	case I40E_DEV_ID_QSFP_A:
+	case I40E_DEV_ID_QSFP_B:
+	case I40E_DEV_ID_QSFP_C:
+		return I40E_LINK_SPEED_40GB;
+	default:
+		return I40E_LINK_SPEED_UNKNOWN;
+	}	
+}
+
+
 #endif /* _I40E_ETHDEV_H_ */
-- 
2.7.4