[dpdk-dev] [PATCH 04/18] ixgbe: Support cloud mode in IXGBE base code

[Ouyang Changchun <changchun.ouyang@intel.com>]

This patch supports cloud mode in IXGBE base code.

Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
---
 lib/librte_pmd_ixgbe/ixgbe/ixgbe_82599.c | 70 ++++++++++++++++++++++++++++++++
 lib/librte_pmd_ixgbe/ixgbe/ixgbe_type.h  | 10 +++++
 2 files changed, 80 insertions(+)

diff --git a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_82599.c b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_82599.c
index 126aa24..adf0e52 100644
--- a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_82599.c
+++ b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_82599.c
@@ -1497,6 +1497,9 @@ s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 fdirctrl,
 		    (0xA << IXGBE_FDIRCTRL_MAX_LENGTH_SHIFT) |
 		    (4 << IXGBE_FDIRCTRL_FULL_THRESH_SHIFT);
 
+	if (cloud_mode)
+		fdirctrl |=(IXGBE_FDIRCTRL_FILTERMODE_CLOUD <<
+					IXGBE_FDIRCTRL_FILTERMODE_SHIFT);
 
 	/* write hashes and fdirctrl register, poll for completion */
 	ixgbe_fdir_enable_82599(hw, fdirctrl);
@@ -1766,6 +1769,7 @@ s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
 	/* mask IPv6 since it is currently not supported */
 	u32 fdirm = IXGBE_FDIRM_DIPv6;
 	u32 fdirtcpm;
+	u32 fdirip6m;
 	DEBUGFUNC("ixgbe_fdir_set_atr_input_mask_82599");
 
 	/*
@@ -1838,6 +1842,49 @@ s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
 		return IXGBE_ERR_CONFIG;
 	}
 
+	if (cloud_mode) {
+		fdirm |= IXGBE_FDIRM_L3P;
+		fdirip6m = ((u32) 0xFFFFU << IXGBE_FDIRIP6M_DIPM_SHIFT);
+		fdirip6m |= IXGBE_FDIRIP6M_ALWAYS_MASK;
+
+		switch (input_mask->formatted.inner_mac[0] & 0xFF) {
+		case 0x00:
+			/* Mask inner MAC, fall through */
+			fdirip6m |= IXGBE_FDIRIP6M_INNER_MAC;
+		case 0xFF:
+			break;
+		default:
+			DEBUGOUT(" Error on inner_mac byte mask\n");
+			return IXGBE_ERR_CONFIG;
+		}
+
+		switch (input_mask->formatted.tni_vni & 0xFFFFFFFF) {
+		case 0x0:
+			/* Mask vxlan id */
+			fdirip6m |= IXGBE_FDIRIP6M_TNI_VNI;
+			break;
+		case 0x00FFFFFF:
+			fdirip6m |= IXGBE_FDIRIP6M_TNI_VNI_24;
+			break;
+		case 0xFFFFFFFF:
+			break;
+		default:
+			DEBUGOUT(" Error on TNI/VNI byte mask\n");
+			return IXGBE_ERR_CONFIG;
+		}
+
+		switch (input_mask->formatted.tunnel_type & 0xFFFF) {
+		case 0x0:
+			/* Mask turnnel type, fall through */
+			fdirip6m |= IXGBE_FDIRIP6M_TUNNEL_TYPE;
+		case 0xFFFF:
+			break;
+		default:
+			DEBUGOUT(" Error on tunnel type byte mask\n");
+			return IXGBE_ERR_CONFIG;
+		}
+		IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRIP6M, fdirip6m);
+	}
 
 	/* Now mask VM pool and destination IPv6 - bits 5 and 2 */
 	IXGBE_WRITE_REG(hw, IXGBE_FDIRM, fdirm);
@@ -1863,6 +1910,9 @@ s32 ixgbe_fdir_write_perfect_filter_82599(struct ixgbe_hw *hw,
 					  u16 soft_id, u8 queue, bool cloud_mode)
 {
 	u32 fdirport, fdirvlan, fdirhash, fdircmd;
+	u32 addr_low, addr_high;
+	u32 cloud_type = 0;
+	s32 err;
 
 	DEBUGFUNC("ixgbe_fdir_write_perfect_filter_82599");
 
@@ -1892,6 +1942,21 @@ s32 ixgbe_fdir_write_perfect_filter_82599(struct ixgbe_hw *hw,
 	fdirvlan |= IXGBE_NTOHS(input->formatted.vlan_id);
 	IXGBE_WRITE_REG(hw, IXGBE_FDIRVLAN, fdirvlan);
 
+	if (cloud_mode) {
+		if (input->formatted.tunnel_type != 0)
+			cloud_type = 0x80000000;
+
+		addr_low = ((u32)input->formatted.inner_mac[0] |
+				((u32)input->formatted.inner_mac[1] << 8) |
+				((u32)input->formatted.inner_mac[2] << 16) |
+				((u32)input->formatted.inner_mac[3] << 24));
+		addr_high = ((u32)input->formatted.inner_mac[4] |
+				((u32)input->formatted.inner_mac[5] << 8));
+		cloud_type |= addr_high;
+		IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIPv6(0), addr_low);
+		IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIPv6(1), cloud_type);
+		IXGBE_WRITE_REG_BE32(hw, IXGBE_FDIRSIPv6(2), input->formatted.tni_vni);
+	}
 
 	/* configure FDIRHASH register */
 	fdirhash = input->formatted.bkt_hash;
@@ -1916,6 +1981,11 @@ s32 ixgbe_fdir_write_perfect_filter_82599(struct ixgbe_hw *hw,
 	fdircmd |= (u32)input->formatted.vm_pool << IXGBE_FDIRCMD_VT_POOL_SHIFT;
 
 	IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD, fdircmd);
+	err = ixgbe_fdir_check_cmd_complete(hw);
+	if (err) {
+		DEBUGOUT("Flow Director command did not complete!\n");
+		return err;
+	}
 
 	return IXGBE_SUCCESS;
 }
diff --git a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_type.h b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_type.h
index 18ac227..f4c2534 100644
--- a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_type.h
+++ b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_type.h
@@ -2369,6 +2369,9 @@ enum ixgbe_fdir_pballoc_type {
 #define IXGBE_FDIRCTRL_REPORT_STATUS_ALWAYS	0x00000080
 #define IXGBE_FDIRCTRL_DROP_Q_SHIFT		8
 #define IXGBE_FDIRCTRL_FLEX_SHIFT		16
+#define IXGBE_FDIRCTRL_FILTERMODE_SHIFT		21
+#define IXGBE_FDIRCTRL_FILTERMODE_MACVLAN	0x0001 /* bit 23:21, 001b */
+#define IXGBE_FDIRCTRL_FILTERMODE_CLOUD		0x0002 /* bit 23:21, 010b */
 #define IXGBE_FDIRCTRL_SEARCHLIM		0x00800000
 #define IXGBE_FDIRCTRL_FILTERMODE_MASK		0x00E00000
 #define IXGBE_FDIRCTRL_MAX_LENGTH_SHIFT		24
@@ -2384,6 +2387,13 @@ enum ixgbe_fdir_pballoc_type {
 #define IXGBE_FDIRM_L4P				0x00000008
 #define IXGBE_FDIRM_FLEX			0x00000010
 #define IXGBE_FDIRM_DIPv6			0x00000020
+#define IXGBE_FDIRM_L3P				0x00000040
+
+#define IXGBE_FDIRIP6M_INNER_MAC	0x03F0 /* bit 9:4 */
+#define IXGBE_FDIRIP6M_TUNNEL_TYPE	0x0800 /* bit 11 */
+#define IXGBE_FDIRIP6M_TNI_VNI		0xF000 /* bit 15:12 */
+#define IXGBE_FDIRIP6M_TNI_VNI_24	0x1000 /* bit 12 */
+#define IXGBE_FDIRIP6M_ALWAYS_MASK	0x040F /* bit 10, 3:0 */
 
 #define IXGBE_FDIRFREE_FREE_MASK		0xFFFF
 #define IXGBE_FDIRFREE_FREE_SHIFT		0
-- 
1.8.4.2