[v3,38/51] net/bnxt: add support for internal exact match entries
diff mbox series

Message ID 20200702041134.43198-39-ajit.khaparde@broadcom.com
State Superseded, archived
Delegated to: Ajit Khaparde
Headers show
Series
  • add features for host-based flow management
Related show

Checks

Context Check Description
ci/Intel-compilation success Compilation OK
ci/checkpatch success coding style OK

Commit Message

Ajit Khaparde July 2, 2020, 4:11 a.m. UTC
From: Kishore Padmanabha <kishore.padmanabha@broadcom.com>

Added support for the internal exact match entries.

Signed-off-by: Kishore Padmanabha <kishore.padmanabha@broadcom.com>
Signed-off-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
---
 drivers/net/bnxt/tf_ulp/bnxt_ulp.c            | 38 +++++++++++++++++++
 drivers/net/bnxt/tf_ulp/ulp_flow_db.c         | 13 +++++--
 drivers/net/bnxt/tf_ulp/ulp_mapper.c          | 21 ++++++----
 drivers/net/bnxt/tf_ulp/ulp_mark_mgr.c        |  4 ++
 .../net/bnxt/tf_ulp/ulp_template_db_class.c   |  6 +--
 .../net/bnxt/tf_ulp/ulp_template_db_enum.h    | 13 ++++---
 drivers/net/bnxt/tf_ulp/ulp_template_db_tbl.c |  7 +++-
 drivers/net/bnxt/tf_ulp/ulp_template_struct.h |  5 +++
 8 files changed, 85 insertions(+), 22 deletions(-)

Patch
diff mbox series

diff --git a/drivers/net/bnxt/tf_ulp/bnxt_ulp.c b/drivers/net/bnxt/tf_ulp/bnxt_ulp.c
index 4835b951e..1b52861d4 100644
--- a/drivers/net/bnxt/tf_ulp/bnxt_ulp.c
+++ b/drivers/net/bnxt/tf_ulp/bnxt_ulp.c
@@ -213,8 +213,27 @@  static int32_t
 ulp_eem_tbl_scope_init(struct bnxt *bp)
 {
 	struct tf_alloc_tbl_scope_parms params = {0};
+	uint32_t dev_id;
+	struct bnxt_ulp_device_params *dparms;
 	int rc;
 
+	/* Get the dev specific number of flows that needed to be supported. */
+	if (bnxt_ulp_cntxt_dev_id_get(bp->ulp_ctx, &dev_id)) {
+		BNXT_TF_DBG(ERR, "Invalid device id\n");
+		return -EINVAL;
+	}
+
+	dparms = bnxt_ulp_device_params_get(dev_id);
+	if (!dparms) {
+		BNXT_TF_DBG(ERR, "could not fetch the device params\n");
+		return -ENODEV;
+	}
+
+	if (dparms->flow_mem_type != BNXT_ULP_FLOW_MEM_TYPE_EXT) {
+		BNXT_TF_DBG(INFO, "Table Scope alloc is not required\n");
+		return 0;
+	}
+
 	bnxt_init_tbl_scope_parms(bp, &params);
 
 	rc = tf_alloc_tbl_scope(&bp->tfp, &params);
@@ -240,6 +259,8 @@  ulp_eem_tbl_scope_deinit(struct bnxt *bp, struct bnxt_ulp_context *ulp_ctx)
 	struct tf_free_tbl_scope_parms	params = {0};
 	struct tf			*tfp;
 	int32_t				rc = 0;
+	struct bnxt_ulp_device_params *dparms;
+	uint32_t dev_id;
 
 	if (!ulp_ctx || !ulp_ctx->cfg_data)
 		return -EINVAL;
@@ -254,6 +275,23 @@  ulp_eem_tbl_scope_deinit(struct bnxt *bp, struct bnxt_ulp_context *ulp_ctx)
 		return -EINVAL;
 	}
 
+	/* Get the dev specific number of flows that needed to be supported. */
+	if (bnxt_ulp_cntxt_dev_id_get(bp->ulp_ctx, &dev_id)) {
+		BNXT_TF_DBG(ERR, "Invalid device id\n");
+		return -EINVAL;
+	}
+
+	dparms = bnxt_ulp_device_params_get(dev_id);
+	if (!dparms) {
+		BNXT_TF_DBG(ERR, "could not fetch the device params\n");
+		return -ENODEV;
+	}
+
+	if (dparms->flow_mem_type != BNXT_ULP_FLOW_MEM_TYPE_EXT) {
+		BNXT_TF_DBG(INFO, "Table Scope free is not required\n");
+		return 0;
+	}
+
 	rc = bnxt_ulp_cntxt_tbl_scope_id_get(ulp_ctx, &params.tbl_scope_id);
 	if (rc) {
 		BNXT_TF_DBG(ERR, "Failed to get the table scope id\n");
diff --git a/drivers/net/bnxt/tf_ulp/ulp_flow_db.c b/drivers/net/bnxt/tf_ulp/ulp_flow_db.c
index 384dc5b2c..7696de2a5 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_flow_db.c
+++ b/drivers/net/bnxt/tf_ulp/ulp_flow_db.c
@@ -114,7 +114,8 @@  ulp_flow_db_res_params_to_info(struct ulp_fdb_resource_info *resource_info,
 	}
 
 	/* Store the handle as 64bit only for EM table entries */
-	if (params->resource_func != BNXT_ULP_RESOURCE_FUNC_EM_TABLE) {
+	if (params->resource_func != BNXT_ULP_RESOURCE_FUNC_EXT_EM_TABLE &&
+	    params->resource_func != BNXT_ULP_RESOURCE_FUNC_INT_EM_TABLE) {
 		resource_info->resource_hndl = (uint32_t)params->resource_hndl;
 		resource_info->resource_type = params->resource_type;
 		resource_info->resource_sub_type = params->resource_sub_type;
@@ -145,7 +146,8 @@  ulp_flow_db_res_info_to_params(struct ulp_fdb_resource_info *resource_info,
 	/* use the helper function to get the resource func */
 	params->resource_func = ulp_flow_db_resource_func_get(resource_info);
 
-	if (params->resource_func == BNXT_ULP_RESOURCE_FUNC_EM_TABLE) {
+	if (params->resource_func == BNXT_ULP_RESOURCE_FUNC_EXT_EM_TABLE ||
+	    params->resource_func == BNXT_ULP_RESOURCE_FUNC_INT_EM_TABLE) {
 		params->resource_hndl = resource_info->resource_em_handle;
 	} else if (params->resource_func & ULP_FLOW_DB_RES_FUNC_NEED_LOWER) {
 		params->resource_hndl = resource_info->resource_hndl;
@@ -908,7 +910,9 @@  ulp_flow_db_resource_hndl_get(struct bnxt_ulp_context *ulp_ctx,
 				}
 
 			} else if (resource_func ==
-				   BNXT_ULP_RESOURCE_FUNC_EM_TABLE){
+				   BNXT_ULP_RESOURCE_FUNC_EXT_EM_TABLE ||
+				   resource_func ==
+				   BNXT_ULP_RESOURCE_FUNC_INT_EM_TABLE) {
 				*res_hndl = fid_res->resource_em_handle;
 				return 0;
 			}
@@ -966,7 +970,8 @@  static void ulp_flow_db_res_dump(struct ulp_fdb_resource_info	*r,
 
 	BNXT_TF_DBG(DEBUG, "Resource func = %x, nxt_resource_idx = %x\n",
 		    res_func, (ULP_FLOW_DB_RES_NXT_MASK & r->nxt_resource_idx));
-	if (res_func == BNXT_ULP_RESOURCE_FUNC_EM_TABLE)
+	if (res_func == BNXT_ULP_RESOURCE_FUNC_EXT_EM_TABLE ||
+	    res_func == BNXT_ULP_RESOURCE_FUNC_INT_EM_TABLE)
 		BNXT_TF_DBG(DEBUG, "EM Handle = 0x%016" PRIX64 "\n",
 			    r->resource_em_handle);
 	else
diff --git a/drivers/net/bnxt/tf_ulp/ulp_mapper.c b/drivers/net/bnxt/tf_ulp/ulp_mapper.c
index 6fd55b2a2..e2b771c9f 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_mapper.c
+++ b/drivers/net/bnxt/tf_ulp/ulp_mapper.c
@@ -556,15 +556,18 @@  ulp_mapper_index_entry_free(struct bnxt_ulp_context *ulp,
 }
 
 static inline int32_t
-ulp_mapper_eem_entry_free(struct bnxt_ulp_context *ulp,
-			  struct tf *tfp,
-			  struct ulp_flow_db_res_params *res)
+ulp_mapper_em_entry_free(struct bnxt_ulp_context *ulp,
+			 struct tf *tfp,
+			 struct ulp_flow_db_res_params *res)
 {
 	struct tf_delete_em_entry_parms fparms = { 0 };
 	int32_t rc;
 
 	fparms.dir		= res->direction;
-	fparms.mem		= TF_MEM_EXTERNAL;
+	if (res->resource_func == BNXT_ULP_RESOURCE_FUNC_EXT_EM_TABLE)
+		fparms.mem = TF_MEM_EXTERNAL;
+	else
+		fparms.mem = TF_MEM_INTERNAL;
 	fparms.flow_handle	= res->resource_hndl;
 
 	rc = bnxt_ulp_cntxt_tbl_scope_id_get(ulp, &fparms.tbl_scope_id);
@@ -1443,7 +1446,7 @@  ulp_mapper_em_tbl_process(struct bnxt_ulp_mapper_parms *parms,
 #endif
 
 	/* do the transpose for the internal EM keys */
-	if (tbl->resource_type == TF_MEM_INTERNAL)
+	if (tbl->resource_func == BNXT_ULP_RESOURCE_FUNC_INT_EM_TABLE)
 		ulp_blob_perform_byte_reverse(&key);
 
 	rc = bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx,
@@ -2066,7 +2069,8 @@  ulp_mapper_class_tbls_process(struct bnxt_ulp_mapper_parms *parms)
 		case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
 			rc = ulp_mapper_tcam_tbl_process(parms, tbl);
 			break;
-		case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
+		case BNXT_ULP_RESOURCE_FUNC_EXT_EM_TABLE:
+		case BNXT_ULP_RESOURCE_FUNC_INT_EM_TABLE:
 			rc = ulp_mapper_em_tbl_process(parms, tbl);
 			break;
 		case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
@@ -2119,8 +2123,9 @@  ulp_mapper_resource_free(struct bnxt_ulp_context *ulp,
 	case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
 		rc = ulp_mapper_tcam_entry_free(ulp, tfp, res);
 		break;
-	case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
-		rc = ulp_mapper_eem_entry_free(ulp, tfp, res);
+	case BNXT_ULP_RESOURCE_FUNC_EXT_EM_TABLE:
+	case BNXT_ULP_RESOURCE_FUNC_INT_EM_TABLE:
+		rc = ulp_mapper_em_entry_free(ulp, tfp, res);
 		break;
 	case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
 		rc = ulp_mapper_index_entry_free(ulp, tfp, res);
diff --git a/drivers/net/bnxt/tf_ulp/ulp_mark_mgr.c b/drivers/net/bnxt/tf_ulp/ulp_mark_mgr.c
index 517422338..b3527eccb 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_mark_mgr.c
+++ b/drivers/net/bnxt/tf_ulp/ulp_mark_mgr.c
@@ -87,6 +87,9 @@  ulp_mark_db_init(struct bnxt_ulp_context *ctxt)
 
 	/* Need to allocate 2 * Num flows to account for hash type bit */
 	mark_tbl->gfid_num_entries = dparms->mark_db_gfid_entries;
+	if (!mark_tbl->gfid_num_entries)
+		goto gfid_not_required;
+
 	mark_tbl->gfid_tbl = rte_zmalloc("ulp_rx_eem_flow_mark_table",
 					 mark_tbl->gfid_num_entries *
 					 sizeof(struct bnxt_gfid_mark_info),
@@ -109,6 +112,7 @@  ulp_mark_db_init(struct bnxt_ulp_context *ctxt)
 		    mark_tbl->gfid_num_entries - 1,
 		    mark_tbl->gfid_mask);
 
+gfid_not_required:
 	/* Add the mark tbl to the ulp context. */
 	bnxt_ulp_cntxt_ptr2_mark_db_set(ctxt, mark_tbl);
 	return 0;
diff --git a/drivers/net/bnxt/tf_ulp/ulp_template_db_class.c b/drivers/net/bnxt/tf_ulp/ulp_template_db_class.c
index d4c7bfa4d..8eb559050 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_template_db_class.c
+++ b/drivers/net/bnxt/tf_ulp/ulp_template_db_class.c
@@ -179,7 +179,7 @@  struct bnxt_ulp_mapper_tbl_info ulp_class_tbl_list[] = {
 	.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO
 	},
 	{
-	.resource_func = BNXT_ULP_RESOURCE_FUNC_EM_TABLE,
+	.resource_func = BNXT_ULP_RESOURCE_FUNC_EXT_EM_TABLE,
 	.resource_type = TF_MEM_EXTERNAL,
 	.resource_sub_type =
 		BNXT_ULP_RESOURCE_SUB_TYPE_NOT_USED,
@@ -284,7 +284,7 @@  struct bnxt_ulp_mapper_tbl_info ulp_class_tbl_list[] = {
 	.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO
 	},
 	{
-	.resource_func = BNXT_ULP_RESOURCE_FUNC_EM_TABLE,
+	.resource_func = BNXT_ULP_RESOURCE_FUNC_EXT_EM_TABLE,
 	.resource_type = TF_MEM_EXTERNAL,
 	.resource_sub_type =
 		BNXT_ULP_RESOURCE_SUB_TYPE_NOT_USED,
@@ -389,7 +389,7 @@  struct bnxt_ulp_mapper_tbl_info ulp_class_tbl_list[] = {
 	.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO
 	},
 	{
-	.resource_func = BNXT_ULP_RESOURCE_FUNC_EM_TABLE,
+	.resource_func = BNXT_ULP_RESOURCE_FUNC_EXT_EM_TABLE,
 	.resource_type = TF_MEM_EXTERNAL,
 	.resource_sub_type =
 		BNXT_ULP_RESOURCE_SUB_TYPE_NOT_USED,
diff --git a/drivers/net/bnxt/tf_ulp/ulp_template_db_enum.h b/drivers/net/bnxt/tf_ulp/ulp_template_db_enum.h
index 7c0dc5ee4..3168d29a9 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_template_db_enum.h
+++ b/drivers/net/bnxt/tf_ulp/ulp_template_db_enum.h
@@ -149,10 +149,11 @@  enum bnxt_ulp_flow_mem_type {
 };
 
 enum bnxt_ulp_glb_regfile_index {
-	BNXT_ULP_GLB_REGFILE_INDEX_GLB_PROF_FUNC_ID = 0,
-	BNXT_ULP_GLB_REGFILE_INDEX_GLB_L2_CNTXT_ID = 1,
-	BNXT_ULP_GLB_REGFILE_INDEX_GLB_LOOPBACK_AREC_INDEX = 2,
-	BNXT_ULP_GLB_REGFILE_INDEX_LAST = 3
+	BNXT_ULP_GLB_REGFILE_INDEX_NOT_USED = 0,
+	BNXT_ULP_GLB_REGFILE_INDEX_GLB_PROF_FUNC_ID = 1,
+	BNXT_ULP_GLB_REGFILE_INDEX_GLB_L2_CNTXT_ID = 2,
+	BNXT_ULP_GLB_REGFILE_INDEX_GLB_LB_AREC_PTR = 3,
+	BNXT_ULP_GLB_REGFILE_INDEX_LAST = 4
 };
 
 enum bnxt_ulp_hdr_type {
@@ -257,8 +258,8 @@  enum bnxt_ulp_match_type_bitmask {
 
 enum bnxt_ulp_resource_func {
 	BNXT_ULP_RESOURCE_FUNC_INVALID = 0x00,
-	BNXT_ULP_RESOURCE_FUNC_EM_TABLE = 0x20,
-	BNXT_ULP_RESOURCE_FUNC_RSVD1 = 0x40,
+	BNXT_ULP_RESOURCE_FUNC_EXT_EM_TABLE = 0x20,
+	BNXT_ULP_RESOURCE_FUNC_INT_EM_TABLE = 0x40,
 	BNXT_ULP_RESOURCE_FUNC_RSVD2 = 0x60,
 	BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE = 0x80,
 	BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE = 0x81,
diff --git a/drivers/net/bnxt/tf_ulp/ulp_template_db_tbl.c b/drivers/net/bnxt/tf_ulp/ulp_template_db_tbl.c
index beca3baa7..7c440e3a4 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_template_db_tbl.c
+++ b/drivers/net/bnxt/tf_ulp/ulp_template_db_tbl.c
@@ -321,7 +321,12 @@  struct bnxt_ulp_device_params ulp_device_params[BNXT_ULP_DEVICE_ID_LAST] = {
 	.mark_db_gfid_entries   = 65536,
 	.flow_count_db_entries  = 16384,
 	.num_resources_per_flow = 8,
-	.num_phy_ports          = 2
+	.num_phy_ports          = 2,
+	.ext_cntr_table_type    = 0,
+	.byte_count_mask        = 0x00000003ffffffff,
+	.packet_count_mask      = 0xfffffffc00000000,
+	.byte_count_shift       = 0,
+	.packet_count_shift     = 36
 	}
 };
 
diff --git a/drivers/net/bnxt/tf_ulp/ulp_template_struct.h b/drivers/net/bnxt/tf_ulp/ulp_template_struct.h
index 4bcd02ba2..5a7a7b910 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_template_struct.h
+++ b/drivers/net/bnxt/tf_ulp/ulp_template_struct.h
@@ -146,6 +146,11 @@  struct bnxt_ulp_device_params {
 	uint64_t			flow_db_num_entries;
 	uint32_t			flow_count_db_entries;
 	uint32_t			num_resources_per_flow;
+	uint32_t			ext_cntr_table_type;
+	uint64_t			byte_count_mask;
+	uint64_t			packet_count_mask;
+	uint32_t			byte_count_shift;
+	uint32_t			packet_count_shift;
 };
 
 /* Flow Mapper */