[dpdk-dev] [PATCH v6 13/17] net/i40e/base: add calculation of MAC frequency if no link

[Robin Zhang <robinx.zhang@intel.com>]

Add macros and structures for MAC frequency calculation in case the link
is not present.

Remove duplicate definition in i40e_ethdev.c

Signed-off-by: Piotr Kwapulinski <piotr.kwapulinski@intel.com>
Signed-off-by: Robin Zhang <robinx.zhang@intel.com>
---
 drivers/net/i40e/base/i40e_adminq_cmd.h |  9 +++++++++
 drivers/net/i40e/base/i40e_register.h   | 10 ++++++++++
 drivers/net/i40e/base/i40e_type.h       |  8 ++++++++
 drivers/net/i40e/i40e_ethdev.c          |  3 +--
 4 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/drivers/net/i40e/base/i40e_adminq_cmd.h b/drivers/net/i40e/base/i40e_adminq_cmd.h
index 372dd71c3f..d2615705a9 100644
--- a/drivers/net/i40e/base/i40e_adminq_cmd.h
+++ b/drivers/net/i40e/base/i40e_adminq_cmd.h
@@ -2035,6 +2035,15 @@ enum i40e_aq_link_speed {
 	I40E_LINK_SPEED_25GB	= (1 << I40E_LINK_SPEED_25GB_SHIFT),
 };
 
+enum i40e_prt_mac_pcs_link_speed {
+	I40E_PRT_MAC_PCS_LINK_SPEED_UNKNOWN = 0,
+	I40E_PRT_MAC_PCS_LINK_SPEED_100MB,
+	I40E_PRT_MAC_PCS_LINK_SPEED_1GB,
+	I40E_PRT_MAC_PCS_LINK_SPEED_10GB,
+	I40E_PRT_MAC_PCS_LINK_SPEED_40GB,
+	I40E_PRT_MAC_PCS_LINK_SPEED_20GB
+};
+
 struct i40e_aqc_module_desc {
 	u8 oui[3];
 	u8 reserved1;
diff --git a/drivers/net/i40e/base/i40e_register.h b/drivers/net/i40e/base/i40e_register.h
index ee4f333f9c..75eff845f1 100644
--- a/drivers/net/i40e/base/i40e_register.h
+++ b/drivers/net/i40e/base/i40e_register.h
@@ -1411,6 +1411,11 @@
 #define I40E_PRTMAC_PCS_XAUI_SWAP_B_SWAP_RX_LANE1_MASK  I40E_MASK(0x3, I40E_PRTMAC_PCS_XAUI_SWAP_B_SWAP_RX_LANE1_SHIFT)
 #define I40E_PRTMAC_PCS_XAUI_SWAP_B_SWAP_RX_LANE0_SHIFT 14
 #define I40E_PRTMAC_PCS_XAUI_SWAP_B_SWAP_RX_LANE0_MASK  I40E_MASK(0x3, I40E_PRTMAC_PCS_XAUI_SWAP_B_SWAP_RX_LANE0_SHIFT)
+/* _i=0...3 */ /* Reset: GLOBR */
+#define I40E_PRTMAC_PCS_LINK_STATUS1(_i) (0x0008C200 + ((_i) * 4))
+#define I40E_PRTMAC_PCS_LINK_STATUS1_LINK_SPEED_SHIFT 24
+#define I40E_PRTMAC_PCS_LINK_STATUS1_LINK_SPEED_MASK \
+	I40E_MASK(0x7, I40E_PRTMAC_PCS_LINK_STATUS1_LINK_SPEED_SHIFT)
 #define I40E_GL_FWRESETCNT                  0x00083100 /* Reset: POR */
 #define I40E_GL_FWRESETCNT_FWRESETCNT_SHIFT 0
 #define I40E_GL_FWRESETCNT_FWRESETCNT_MASK  I40E_MASK(0xFFFFFFFF, I40E_GL_FWRESETCNT_FWRESETCNT_SHIFT)
@@ -3873,6 +3878,11 @@
 #define I40E_PRTMAC_LINK_DOWN_COUNTER                         0x001E2440 /* Reset: GLOBR */
 #define I40E_PRTMAC_LINK_DOWN_COUNTER_LINK_DOWN_COUNTER_SHIFT 0
 #define I40E_PRTMAC_LINK_DOWN_COUNTER_LINK_DOWN_COUNTER_MASK  I40E_MASK(0xFFFF, I40E_PRTMAC_LINK_DOWN_COUNTER_LINK_DOWN_COUNTER_SHIFT)
+/* _i=0...3 */ /* Reset: GLOBR */
+#define I40E_PRTMAC_LINKSTA(_i) (0x001E2420 + ((_i) * 4))
+#define I40E_PRTMAC_LINKSTA_MAC_LINK_SPEED_SHIFT 27
+#define I40E_PRTMAC_LINKSTA_MAC_LINK_SPEED_MASK \
+	I40E_MASK(0x7, I40E_PRTMAC_LINKSTA_MAC_LINK_SPEED_SHIFT)
 #define I40E_GLNVM_AL_REQ                        0x000B6164 /* Reset: POR */
 #define I40E_GLNVM_AL_REQ_POR_SHIFT              0
 #define I40E_GLNVM_AL_REQ_POR_MASK               I40E_MASK(0x1, I40E_GLNVM_AL_REQ_POR_SHIFT)
diff --git a/drivers/net/i40e/base/i40e_type.h b/drivers/net/i40e/base/i40e_type.h
index 0323887550..49e05d89fa 100644
--- a/drivers/net/i40e/base/i40e_type.h
+++ b/drivers/net/i40e/base/i40e_type.h
@@ -236,6 +236,14 @@ enum i40e_queue_type {
 	I40E_QUEUE_TYPE_UNKNOWN
 };
 
+enum i40e_prt_mac_link_speed {
+	I40E_PRT_MAC_LINK_SPEED_100MB = 0,
+	I40E_PRT_MAC_LINK_SPEED_1GB,
+	I40E_PRT_MAC_LINK_SPEED_10GB,
+	I40E_PRT_MAC_LINK_SPEED_40GB,
+	I40E_PRT_MAC_LINK_SPEED_20GB
+};
+
 struct i40e_link_status {
 	enum i40e_aq_phy_type phy_type;
 	enum i40e_aq_link_speed link_speed;
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 6f1765117a..b00f9cd396 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -2855,7 +2855,6 @@ static __rte_always_inline void
 update_link_reg(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
@@ -2868,7 +2867,7 @@ update_link_reg(struct i40e_hw *hw, struct rte_eth_link *link)
 	uint32_t link_speed;
 	uint32_t reg_val;
 
-	reg_val = I40E_READ_REG(hw, I40E_PRTMAC_LINKSTA);
+	reg_val = I40E_READ_REG(hw, I40E_PRTMAC_LINKSTA(0));
 	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;
-- 
2.25.1