[PATCH v4 1/2] net/i40e: support input set configuration

[Beilei Xing <beilei.xing@intel.com>]

This patch supports getting/setting input set info for
RSS/FDIR/FDIR flexible payload.
Also add some helper functions for input set configuration.

Signed-off-by: Beilei Xing <beilei.xing@intel.com>
---
 drivers/net/i40e/rte_pmd_i40e.c           | 141 ++++++++++++++++++++++++++++++
 drivers/net/i40e/rte_pmd_i40e.h           | 138 +++++++++++++++++++++++++++++
 drivers/net/i40e/rte_pmd_i40e_version.map |  10 +++
 3 files changed, 289 insertions(+)

diff --git a/drivers/net/i40e/rte_pmd_i40e.c b/drivers/net/i40e/rte_pmd_i40e.c
index aeb92af..1f95f91 100644
--- a/drivers/net/i40e/rte_pmd_i40e.c
+++ b/drivers/net/i40e/rte_pmd_i40e.c
@@ -2985,3 +2985,144 @@ int rte_pmd_i40e_flow_add_del_packet_template(
 
 	return i40e_flow_add_del_fdir_filter(dev, &filter_conf, add);
 }
+
+int
+rte_pmd_i40e_inset_get(uint16_t port, uint8_t pctype,
+		       struct rte_pmd_i40e_inset *inset,
+		       enum rte_pmd_i40e_inset_type inset_type)
+{
+	struct rte_eth_dev *dev;
+	struct i40e_hw *hw;
+	uint64_t inset_reg;
+	uint32_t mask_reg[2];
+	int i;
+
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+	dev = &rte_eth_devices[port];
+
+	if (!is_i40e_supported(dev))
+		return -ENOTSUP;
+
+	if (pctype > 63)
+		return -EINVAL;
+
+	hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	memset(inset, 0, sizeof(struct rte_pmd_i40e_inset));
+
+	switch (inset_type) {
+	case INSET_HASH:
+		/* Get input set */
+		inset_reg =
+			i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1, pctype));
+		inset_reg <<= I40E_32_BIT_WIDTH;
+		inset_reg |=
+			i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0, pctype));
+		/* Get field mask */
+		mask_reg[0] =
+			i40e_read_rx_ctl(hw, I40E_GLQF_HASH_MSK(0, pctype));
+		mask_reg[1] =
+			i40e_read_rx_ctl(hw, I40E_GLQF_HASH_MSK(1, pctype));
+		break;
+	case INSET_FDIR:
+		inset_reg =
+			i40e_read_rx_ctl(hw, I40E_PRTQF_FD_INSET(pctype, 1));
+		inset_reg <<= I40E_32_BIT_WIDTH;
+		inset_reg |=
+			i40e_read_rx_ctl(hw, I40E_PRTQF_FD_INSET(pctype, 0));
+		mask_reg[0] =
+			i40e_read_rx_ctl(hw, I40E_GLQF_FD_MSK(0, pctype));
+		mask_reg[1] =
+			i40e_read_rx_ctl(hw, I40E_GLQF_FD_MSK(1, pctype));
+		break;
+	case INSET_FDIR_FLX:
+		inset_reg =
+			i40e_read_rx_ctl(hw, I40E_PRTQF_FD_FLXINSET(pctype));
+		mask_reg[0] =
+			i40e_read_rx_ctl(hw, I40E_PRTQF_FD_MSK(pctype, 0));
+		mask_reg[1] =
+			i40e_read_rx_ctl(hw, I40E_PRTQF_FD_MSK(pctype, 1));
+		break;
+	default:
+		PMD_DRV_LOG(ERR, "Unsupported input set type.");
+		return -EINVAL;
+	}
+
+	inset->inset = inset_reg;
+
+	for (i = 0; i < 2; i++) {
+		inset->mask[i].field_idx = ((mask_reg[i] >> 16) & 0x3F);
+		inset->mask[i].mask = mask_reg[i] & 0xFFFF;
+	}
+
+	return 0;
+}
+
+int
+rte_pmd_i40e_inset_set(uint16_t port, uint8_t pctype,
+		       struct rte_pmd_i40e_inset *inset,
+		       enum rte_pmd_i40e_inset_type inset_type)
+{
+	struct rte_eth_dev *dev;
+	struct i40e_hw *hw;
+	uint64_t inset_reg;
+	uint32_t mask_reg[2];
+	int i;
+
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+	dev = &rte_eth_devices[port];
+
+	if (!is_i40e_supported(dev))
+		return -ENOTSUP;
+
+	if (pctype > 63)
+		return -EINVAL;
+
+	hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+	/* Clear mask first */
+	for (i = 0; i < 2; i++)
+		i40e_check_write_reg(hw, I40E_GLQF_FD_MSK(i, pctype), 0);
+
+	inset_reg = inset->inset;
+	for (i = 0; i < 2; i++)
+		mask_reg[i] = (inset->mask[i].field_idx << 16) |
+			inset->mask[i].mask;
+
+	switch (inset_type) {
+	case INSET_HASH:
+		i40e_check_write_reg(hw, I40E_GLQF_HASH_INSET(0, pctype),
+				     (uint32_t)(inset_reg & UINT32_MAX));
+		i40e_check_write_reg(hw, I40E_GLQF_HASH_INSET(1, pctype),
+				     (uint32_t)((inset_reg >>
+					      I40E_32_BIT_WIDTH) & UINT32_MAX));
+		for (i = 0; i < 2; i++)
+			i40e_check_write_reg(hw, I40E_GLQF_HASH_MSK(i, pctype),
+					     mask_reg[i]);
+		break;
+	case INSET_FDIR:
+		i40e_check_write_reg(hw, I40E_PRTQF_FD_INSET(pctype, 0),
+				     (uint32_t)(inset_reg & UINT32_MAX));
+		i40e_check_write_reg(hw, I40E_PRTQF_FD_INSET(pctype, 1),
+				     (uint32_t)((inset_reg >>
+					      I40E_32_BIT_WIDTH) & UINT32_MAX));
+		for (i = 0; i < 2; i++)
+			i40e_check_write_reg(hw, I40E_GLQF_FD_MSK(i, pctype),
+					     mask_reg[i]);
+		break;
+	case INSET_FDIR_FLX:
+		i40e_check_write_reg(hw, I40E_PRTQF_FD_FLXINSET(pctype),
+				     (uint32_t)(inset_reg & UINT32_MAX));
+		for (i = 0; i < 2; i++)
+			i40e_check_write_reg(hw, I40E_PRTQF_FD_MSK(pctype, i),
+					     mask_reg[i]);
+		break;
+	default:
+		PMD_DRV_LOG(ERR, "Unsupported input set type.");
+		return -EINVAL;
+	}
+
+	I40E_WRITE_FLUSH(hw);
+	return 0;
+}
diff --git a/drivers/net/i40e/rte_pmd_i40e.h b/drivers/net/i40e/rte_pmd_i40e.h
index 580ca4a..e987528 100644
--- a/drivers/net/i40e/rte_pmd_i40e.h
+++ b/drivers/net/i40e/rte_pmd_i40e.h
@@ -317,6 +317,23 @@ struct rte_pmd_i40e_pkt_template_conf {
 	uint32_t soft_id;
 };
 
+enum rte_pmd_i40e_inset_type {
+	INSET_NONE = 0,
+	INSET_HASH,
+	INSET_FDIR,
+	INSET_FDIR_FLX,
+};
+
+struct  rte_pmd_i40e_inset_mask {
+	uint8_t field_idx;
+	uint16_t mask;
+};
+
+struct rte_pmd_i40e_inset {
+	uint64_t inset;
+	struct rte_pmd_i40e_inset_mask mask[2];
+};
+
 /**
  * Add or remove raw packet template filter to Flow Director.
  *
@@ -933,4 +950,125 @@ int rte_pmd_i40e_query_vfid_by_mac(uint16_t port,
 int rte_pmd_i40e_rss_queue_region_conf(uint16_t port_id,
 			enum rte_pmd_i40e_queue_region_op op_type, void *arg);
 
+int rte_pmd_i40e_cfg_hash_inset(uint16_t port,
+				uint64_t pctype, uint64_t inset);
+
+/**
+ * Get input set
+ *
+ * @param port
+ *    The port identifier of the Ethernet device.
+ * @param pctype
+ *    HW pctype.
+ * @param inset
+ *    Buffer for input set info.
+ * @param inset_type
+ *    Type of input set.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENODEV) if *port* invalid.
+ *   - (-EINVAL) if bad parameter.
+ *   - (-ENOTSUP) if operation not supported.
+ */
+int rte_pmd_i40e_inset_get(uint16_t port, uint8_t pctype,
+			   struct rte_pmd_i40e_inset *inset,
+			   enum rte_pmd_i40e_inset_type inset_type);
+
+/**
+ * Set input set
+ *
+ * @param port
+ *    The port identifier of the Ethernet device.
+ * @param pctype
+ *    HW pctype.
+ * @param inset
+ *    Input set info.
+ * @param inset_type
+ *    Type of input set.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENODEV) if *port* invalid.
+ *   - (-EINVAL) if bad parameter.
+ *   - (-ENOTSUP) if operation not supported.
+ */
+int rte_pmd_i40e_inset_set(uint16_t port, uint8_t pctype,
+			   struct rte_pmd_i40e_inset *inset,
+			   enum rte_pmd_i40e_inset_type inset_type);
+
+/**
+ * Get bit value for some field index
+ *
+ * @param inset
+ *    Input set value.
+ * @param field_idx
+ *    Field index for input set.
+ * @return
+ *   - (1) if set.
+ *   - (0) if cleared.
+ */
+static inline int
+rte_pmd_i40e_inset_field_get(uint64_t inset, uint8_t field_idx)
+{
+	uint8_t bit_idx;
+
+	if (field_idx > 63)
+		return 0;
+
+	bit_idx = 63 - field_idx;
+	if (inset & (1ULL << bit_idx))
+		return 1;
+
+	return 0;
+}
+
+/**
+ * Set bit value for some field index
+ *
+ * @param inset
+ *    Input set value.
+ * @param field_idx
+ *    Field index for input set.
+ * @return
+ *   - (-1) if failed.
+ *   - (0) if success.
+ */
+static inline int
+rte_pmd_i40e_inset_field_set(uint64_t *inset, uint8_t field_idx)
+{
+	uint8_t bit_idx;
+
+	if (field_idx > 63)
+		return -1;
+
+	bit_idx = 63 - field_idx;
+	*inset = *inset | (1ULL << bit_idx);
+
+	return 0;
+}
+
+/**
+ * Clear bit value for some field index
+ *
+ * @param inset
+ *    Input set value.
+ * @param field_idx
+ *    Field index for input set.
+ * @return
+ *   - (-1) if failed.
+ *   - (0) if success.
+ */
+static inline int
+rte_pmd_i40e_inset_field_clear(uint64_t *inset, uint8_t field_idx)
+{
+	uint8_t bit_idx;
+
+	if (field_idx > 63)
+		return -1;
+
+	bit_idx = 63 - field_idx;
+	*inset = *inset & ~(1ULL << bit_idx);
+
+	return 0;
+}
+
 #endif /* _PMD_I40E_H_ */
diff --git a/drivers/net/i40e/rte_pmd_i40e_version.map b/drivers/net/i40e/rte_pmd_i40e_version.map
index ebbd24e..82d5e2f 100644
--- a/drivers/net/i40e/rte_pmd_i40e_version.map
+++ b/drivers/net/i40e/rte_pmd_i40e_version.map
@@ -58,3 +58,13 @@ DPDK_17.11 {
 	rte_pmd_i40e_rss_queue_region_conf;
 
 } DPDK_17.08;
+
+DPDK_18.02 {
+	global:
+
+	rte_pmd_i40e_inset_get;
+	rte_pmd_i40e_inset_set;
+	rte_pmd_i40e_inset_field_get;
+	rte_pmd_i40e_inset_field_set;
+	rte_pmd_i40e_inset_field_clear;
+}
\ No newline at end of file
-- 
2.5.5