[dpdk-dev] [PATCH v3 13/13] net/ipn3ke: add FPGA network side port MTU configuration

Pei, Andy andy.pei at intel.com
Thu Aug 8 10:53:03 CEST 2019


This patch set both line side and nic side MTU when Hardware init, and init to IPN3KE_MAC_FRAME_SIZE_MAX.

-----Original Message-----
From: Xu, Rosen 
Sent: Thursday, August 8, 2019 4:46 PM
To: dev at dpdk.org
Cc: Yigit, Ferruh <ferruh.yigit at intel.com>; Zhang, Tianfei <tianfei.zhang at intel.com>; Xu, Rosen <rosen.xu at intel.com>; Pei, Andy <andy.pei at intel.com>; Lomartire, David <david.lomartire at intel.com>; Zhang, Qi Z <qi.z.zhang at intel.com>; Ye, Xiaolong <xiaolong.ye at intel.com>
Subject: [PATCH v3 13/13] net/ipn3ke: add FPGA network side port MTU configuration

Add FPGA network side port MTU configuration in initialization.

Signed-off-by: Rosen Xu <rosen.xu at intel.com>
---
 drivers/net/ipn3ke/ipn3ke_ethdev.c |  8 ++++++  drivers/net/ipn3ke/ipn3ke_ethdev.h | 55 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+)

diff --git a/drivers/net/ipn3ke/ipn3ke_ethdev.c b/drivers/net/ipn3ke/ipn3ke_ethdev.c
index 363a5f1..7e7fa25 100644
--- a/drivers/net/ipn3ke/ipn3ke_ethdev.c
+++ b/drivers/net/ipn3ke/ipn3ke_ethdev.c
@@ -292,6 +292,10 @@
 
 			/* Clear line RX statistics counters */
 			ipn3ke_xmac_rx_clr_10G_stcs(hw, i, 0);
+
+			/* set mtu to max */
+			ipn3ke_10G_mtu_setup(hw, i, 0);
+			ipn3ke_10G_mtu_setup(hw, i, 1);
 		}
 	} else if (hw->retimer.mac_type ==
 			IFPGA_RAWDEV_RETIMER_MAC_TYPE_25GE_25GAUI) { @@ -308,6 +312,10 @@
 
 			/* Clear line side RX statistics counters */
 			ipn3ke_xmac_rx_clr_25G_stcs(hw, i, 0);
+
+			/* set mtu to max */
+			ipn3ke_25G_mtu_setup(hw, i, 0);
+			ipn3ke_25G_mtu_setup(hw, i, 1);
 		}
 	}
 
diff --git a/drivers/net/ipn3ke/ipn3ke_ethdev.h b/drivers/net/ipn3ke/ipn3ke_ethdev.h
index c7b336b..b04e5d3 100644
--- a/drivers/net/ipn3ke/ipn3ke_ethdev.h
+++ b/drivers/net/ipn3ke/ipn3ke_ethdev.h
@@ -654,6 +654,25 @@ static inline void _ipn3ke_indrct_write(struct ipn3ke_hw *hw,  #define IPN3KE_MAC_RX_FRAME_MAXLENGTH_MASK \
 	IPN3KE_MASK(0xFFFF, IPN3KE_MAC_RX_FRAME_MAXLENGTH_SHIFT)
 
+/* Additional Feature Register */
+#define ADD_PHY_CTRL		0x0
+#define PHY_RESET		BIT(0)
+/* registers for 25G/40G mac */
+#define MAC_CONFIG	0x310
+#define MAC_RESET_MASK	GENMASK(2, 0)
+
+#define IPN3KE_MAX_MTU			0xffff
+
+#define IPN3KE_25G_PHY_PMA_SLOOP		0x313
+#define IPN3KE_25G_TX_FLOW_CTRL		0x640
+#define IPN3KE_25G_MAX_TX_SIZE_CONFIG	0x407
+#define IPN3KE_25G_MAX_RX_SIZE_CONFIG	0x506
+
+#define IPN3KE_10G_TX_PAUSE_FRAME_QUANTA	0x42
+#define IPN3KE_10G_TX_PAUSE_FRAME_HOLDOFF	0x43
+#define IPN3KE_10G_TX_FRAME_MAXLENGTH	0x2c
+#define IPN3KE_10G_RX_FRAME_MAXLENGTH	0xae
+
 #define IPN3KE_REGISTER_WIDTH                                        32
 
 /*Bits[2:0]: Configuration of TX statistics counters:
@@ -1076,4 +1095,40 @@ static inline void ipn3ke_xmac_smac_ovd_dis(struct ipn3ke_hw *hw,
 					eth_group_sel);
 }
 
+static inline void ipn3ke_10G_mtu_setup (struct ipn3ke_hw *hw, uint32_t 
+mac_num, uint32_t eth_group_sel) {
+	uint32_t tmp = IPN3KE_MAC_FRAME_SIZE_MAX;
+
+	(*hw->f_mac_write)(hw,
+					tmp,
+					IPN3KE_10G_TX_FRAME_MAXLENGTH,
+					mac_num,
+					eth_group_sel);
+
+	(*hw->f_mac_write)(hw,
+					tmp,
+					IPN3KE_10G_RX_FRAME_MAXLENGTH,
+					mac_num,
+					eth_group_sel);
+}
+
+static inline void ipn3ke_25G_mtu_setup (struct ipn3ke_hw *hw, uint32_t 
+mac_num, uint32_t eth_group_sel) {
+	uint32_t tmp = IPN3KE_MAC_FRAME_SIZE_MAX;
+
+	(*hw->f_mac_write)(hw,
+					tmp,
+					IPN3KE_25G_MAX_TX_SIZE_CONFIG,
+					mac_num,
+					eth_group_sel);
+
+	(*hw->f_mac_write)(hw,
+					tmp,
+					IPN3KE_25G_MAX_RX_SIZE_CONFIG,
+					mac_num,
+					eth_group_sel);
+}
+
 #endif /* _IPN3KE_ETHDEV_H_ */
--
1.8.3.1



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