[dpdk-dev] [PATCH 11/28] net/mlx5: create advanced Rx object using new API

[Matan Azrad <matan@mellanox.com>]

From: Dekel Peled <dekelp@mellanox.com>

Implement function mlx5_devx_cmd_create_tir() to create TIR
object using DevX API..
Add related structs in mlx5.h and mlx5_prm.h.

Signed-off-by: Dekel Peled <dekelp@mellanox.com>
Acked-by: Matan Azrad <matan@mellanox.com>
---
 drivers/net/mlx5/mlx5.h           | 26 +++++++++++++
 drivers/net/mlx5/mlx5_devx_cmds.c | 72 ++++++++++++++++++++++++++++++++++
 drivers/net/mlx5/mlx5_prm.h       | 81 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 179 insertions(+)

diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index fbd1311..183acfb 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -320,6 +320,30 @@ struct mlx5_devx_modify_rq_attr {
 	uint32_t lwm:16; /* Contained WQ lwm. */
 };
 
+struct mlx5_rx_hash_field_select {
+	uint32_t l3_prot_type:1;
+	uint32_t l4_prot_type:1;
+	uint32_t selected_fields:30;
+};
+
+/* TIR attributes structure, used by TIR operations. */
+struct mlx5_devx_tir_attr {
+	uint32_t disp_type:4;
+	uint32_t lro_timeout_period_usecs:16;
+	uint32_t lro_enable_mask:4;
+	uint32_t lro_max_msg_sz:8;
+	uint32_t inline_rqn:24;
+	uint32_t rx_hash_symmetric:1;
+	uint32_t tunneled_offload_en:1;
+	uint32_t indirect_table:24;
+	uint32_t rx_hash_fn:4;
+	uint32_t self_lb_block:2;
+	uint32_t transport_domain:24;
+	uint32_t rx_hash_toeplitz_key[10];
+	struct mlx5_rx_hash_field_select rx_hash_field_selector_outer;
+	struct mlx5_rx_hash_field_select rx_hash_field_selector_inner;
+};
+
 /**
  * Type of object being allocated.
  */
@@ -810,5 +834,7 @@ struct mlx5_devx_obj *mlx5_devx_cmd_create_rq(struct ibv_context *ctx,
 				int socket);
 int mlx5_devx_cmd_modify_rq(struct mlx5_devx_obj *rq,
 			    struct mlx5_devx_modify_rq_attr *rq_attr);
+struct mlx5_devx_obj *mlx5_devx_cmd_create_tir(struct ibv_context *ctx,
+					struct mlx5_devx_tir_attr *tir_attr);
 
 #endif /* RTE_PMD_MLX5_H_ */
diff --git a/drivers/net/mlx5/mlx5_devx_cmds.c b/drivers/net/mlx5/mlx5_devx_cmds.c
index e8953bb..5faa2a0 100644
--- a/drivers/net/mlx5/mlx5_devx_cmds.c
+++ b/drivers/net/mlx5/mlx5_devx_cmds.c
@@ -576,3 +576,75 @@ struct mlx5_devx_obj *
 	}
 	return ret;
 }
+
+/**
+ * Create TIR using DevX API.
+ *
+ * @param[in] ctx
+ *   ibv_context returned from mlx5dv_open_device.
+ * @param [in] tir_attr
+ *   Pointer to TIR attributes structure.
+ *
+ * @return
+ *   The DevX object created, NULL otherwise and rte_errno is set.
+ */
+struct mlx5_devx_obj *
+mlx5_devx_cmd_create_tir(struct ibv_context *ctx,
+			 struct mlx5_devx_tir_attr *tir_attr)
+{
+	uint32_t in[MLX5_ST_SZ_DW(create_tir_in)] = {0};
+	uint32_t out[MLX5_ST_SZ_DW(create_tir_out)] = {0};
+	void *tir_ctx, *outer, *inner;
+	struct mlx5_devx_obj *tir = NULL;
+	int i;
+
+	tir = rte_calloc(__func__, 1, sizeof(*tir), 0);
+	if (!tir) {
+		DRV_LOG(ERR, "Failed to allocate TIR data");
+		rte_errno = ENOMEM;
+		return NULL;
+	}
+	MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR);
+	tir_ctx = MLX5_ADDR_OF(create_tir_in, in, ctx);
+	MLX5_SET(tirc, tir_ctx, disp_type, tir_attr->disp_type);
+	MLX5_SET(tirc, tir_ctx, lro_timeout_period_usecs,
+		 tir_attr->lro_timeout_period_usecs);
+	MLX5_SET(tirc, tir_ctx, lro_enable_mask, tir_attr->lro_enable_mask);
+	MLX5_SET(tirc, tir_ctx, lro_max_msg_sz, tir_attr->lro_max_msg_sz);
+	MLX5_SET(tirc, tir_ctx, inline_rqn, tir_attr->inline_rqn);
+	MLX5_SET(tirc, tir_ctx, rx_hash_symmetric, tir_attr->rx_hash_symmetric);
+	MLX5_SET(tirc, tir_ctx, tunneled_offload_en,
+		 tir_attr->tunneled_offload_en);
+	MLX5_SET(tirc, tir_ctx, indirect_table, tir_attr->indirect_table);
+	MLX5_SET(tirc, tir_ctx, rx_hash_fn, tir_attr->rx_hash_fn);
+	MLX5_SET(tirc, tir_ctx, self_lb_block, tir_attr->self_lb_block);
+	MLX5_SET(tirc, tir_ctx, transport_domain, tir_attr->transport_domain);
+	for (i = 0; i < 10; i++) {
+		MLX5_SET(tirc, tir_ctx, rx_hash_toeplitz_key[i],
+			 tir_attr->rx_hash_toeplitz_key[i]);
+	}
+	outer = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_field_selector_outer);
+	MLX5_SET(rx_hash_field_select, outer, l3_prot_type,
+		 tir_attr->rx_hash_field_selector_outer.l3_prot_type);
+	MLX5_SET(rx_hash_field_select, outer, l4_prot_type,
+		 tir_attr->rx_hash_field_selector_outer.l4_prot_type);
+	MLX5_SET(rx_hash_field_select, outer, selected_fields,
+		 tir_attr->rx_hash_field_selector_outer.selected_fields);
+	inner = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_field_selector_inner);
+	MLX5_SET(rx_hash_field_select, inner, l3_prot_type,
+		 tir_attr->rx_hash_field_selector_inner.l3_prot_type);
+	MLX5_SET(rx_hash_field_select, inner, l4_prot_type,
+		 tir_attr->rx_hash_field_selector_inner.l4_prot_type);
+	MLX5_SET(rx_hash_field_select, inner, selected_fields,
+		 tir_attr->rx_hash_field_selector_inner.selected_fields);
+	tir->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
+						   out, sizeof(out));
+	if (!tir->obj) {
+		DRV_LOG(ERR, "Failed to create TIR using DevX");
+		rte_errno = errno;
+		rte_free(tir);
+		return NULL;
+	}
+	tir->id = MLX5_GET(create_tir_out, out, tirn);
+	return tir;
+}
diff --git a/drivers/net/mlx5/mlx5_prm.h b/drivers/net/mlx5/mlx5_prm.h
index 7ec709b..970dee0 100644
--- a/drivers/net/mlx5/mlx5_prm.h
+++ b/drivers/net/mlx5/mlx5_prm.h
@@ -627,6 +627,7 @@ enum {
 	MLX5_CMD_OP_QUERY_HCA_CAP = 0x100,
 	MLX5_CMD_OP_CREATE_MKEY = 0x200,
 	MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT = 0x754,
+	MLX5_CMD_OP_CREATE_TIR = 0x900,
 	MLX5_CMD_OP_CREATE_RQ = 0x908,
 	MLX5_CMD_OP_MODIFY_RQ = 0x909,
 	MLX5_CMD_OP_QUERY_TIS = 0x915,
@@ -1407,6 +1408,86 @@ struct mlx5_ifc_modify_rq_in_bits {
 	struct mlx5_ifc_rqc_bits ctx;
 };
 
+enum {
+	MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_SRC_IP     = 0x0,
+	MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_DST_IP     = 0x1,
+	MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_L4_SPORT   = 0x2,
+	MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_L4_DPORT   = 0x3,
+	MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_IPSEC_SPI  = 0x4,
+};
+
+struct mlx5_ifc_rx_hash_field_select_bits {
+	u8 l3_prot_type[0x1];
+	u8 l4_prot_type[0x1];
+	u8 selected_fields[0x1e];
+};
+
+enum {
+	MLX5_TIRC_DISP_TYPE_DIRECT    = 0x0,
+	MLX5_TIRC_DISP_TYPE_INDIRECT  = 0x1,
+};
+
+enum {
+	MLX5_TIRC_LRO_ENABLE_MASK_IPV4_LRO  = 0x1,
+	MLX5_TIRC_LRO_ENABLE_MASK_IPV6_LRO  = 0x2,
+};
+
+enum {
+	MLX5_RX_HASH_FN_NONE           = 0x0,
+	MLX5_RX_HASH_FN_INVERTED_XOR8  = 0x1,
+	MLX5_RX_HASH_FN_TOEPLITZ       = 0x2,
+};
+
+enum {
+	MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST    = 0x1,
+	MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST  = 0x2,
+};
+
+struct mlx5_ifc_tirc_bits {
+	u8 reserved_at_0[0x20];
+	u8 disp_type[0x4];
+	u8 reserved_at_24[0x1c];
+	u8 reserved_at_40[0x40];
+	u8 reserved_at_80[0x4];
+	u8 lro_timeout_period_usecs[0x10];
+	u8 lro_enable_mask[0x4];
+	u8 lro_max_msg_sz[0x8];
+	u8 reserved_at_a0[0x40];
+	u8 reserved_at_e0[0x8];
+	u8 inline_rqn[0x18];
+	u8 rx_hash_symmetric[0x1];
+	u8 reserved_at_101[0x1];
+	u8 tunneled_offload_en[0x1];
+	u8 reserved_at_103[0x5];
+	u8 indirect_table[0x18];
+	u8 rx_hash_fn[0x4];
+	u8 reserved_at_124[0x2];
+	u8 self_lb_block[0x2];
+	u8 transport_domain[0x18];
+	u8 rx_hash_toeplitz_key[10][0x20];
+	struct mlx5_ifc_rx_hash_field_select_bits rx_hash_field_selector_outer;
+	struct mlx5_ifc_rx_hash_field_select_bits rx_hash_field_selector_inner;
+	u8 reserved_at_2c0[0x4c0];
+};
+
+struct mlx5_ifc_create_tir_out_bits {
+	u8 status[0x8];
+	u8 reserved_at_8[0x18];
+	u8 syndrome[0x20];
+	u8 reserved_at_40[0x8];
+	u8 tirn[0x18];
+	u8 reserved_at_60[0x20];
+};
+
+struct mlx5_ifc_create_tir_in_bits {
+	u8 opcode[0x10];
+	u8 uid[0x10];
+	u8 reserved_at_20[0x10];
+	u8 op_mod[0x10];
+	u8 reserved_at_40[0xc0];
+	struct mlx5_ifc_tirc_bits ctx;
+};
+
 /* CQE format mask. */
 #define MLX5E_CQE_FORMAT_MASK 0xc
 
-- 
1.8.3.1