[PATCH v1 17/20] net/ntnic: extend flow dump with MBR configuration

Serhii Iliushyk sil-plv at napatech.com
Wed Oct 1 17:09:59 CEST 2025


add dump of MBR init configuration and extend dump of MBR rules

Signed-off-by: Serhii Iliushyk <sil-plv at napatech.com>
---
 .../profile_inline/flow_api_hw_db_inline.c    | 36 ++++++++++++--
 .../flow_api_profile_inline_config.h          | 48 +++++++++++++++++++
 2 files changed, 81 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_hw_db_inline.c b/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_hw_db_inline.c
index 17a0332a06..db40bfd368 100644
--- a/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_hw_db_inline.c
+++ b/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_hw_db_inline.c
@@ -23,6 +23,13 @@
 
 #define HW_DB_FT_TYPE_FLM 0
 #define HW_DB_FT_TYPE_KM 1
+
+/******************************************************************************/
+/* MBR Configuration support                                                  */
+/******************************************************************************/
+static int8_t hw_db_pkt_layer_dyn[] = NTNIC_FLOW_MBR_PKT_LAYER_PER_GROUP;
+static int8_t hw_db_pkt_layer_ofs[] = NTNIC_FLOW_MBR_PKT_LAYER_OFFSET_PER_GROUP;
+
 /******************************************************************************/
 /* Handle                                                                     */
 /******************************************************************************/
@@ -533,11 +540,34 @@ void nthw_db_inline_dump(struct flow_nic_dev *ndev, void *db_handle, const struc
 					&db->flm[idxs[i].id2].ft[idxs[i].id1].data;
 			fprintf(file, "  FLM_FT %" PRIu32 "\n", idxs[i].id1);
 
-			if (data->is_group_zero)
+			if (data->is_group_zero) {
 				fprintf(file, "    Jump to %d\n", data->jump);
+			} else {
+				uint32_t group_orig = 0;
 
-			else
-				fprintf(file, "    Group %d\n", data->group);
+				if (nthw_flow_group_translate_get_orig_group(ndev->group_handle,
+					data->group,
+					&group_orig) < 0) {
+					fprintf(file, "    Encoded group: %d\n", data->group);
+
+				} else {
+					fprintf(file, "    Group %d, encoded group: %d\n",
+						group_orig, data->group);
+				}
+
+				const int dyn_group_orig =
+					group_orig >= sizeof(hw_db_pkt_layer_dyn) ?
+						hw_db_pkt_layer_dyn[0] :
+						hw_db_pkt_layer_dyn[group_orig];
+
+				const int ofs_group_orig =
+					group_orig >= sizeof(hw_db_pkt_layer_ofs) ?
+						hw_db_pkt_layer_ofs[0] :
+						hw_db_pkt_layer_ofs[group_orig];
+
+				fprintf(file, "    BYT dyn %d, ofs %d\n",
+					dyn_group_orig, ofs_group_orig);
+			}
 
 			fprintf(file, "    ACTION_SET id %d\n", data->action_set.ids);
 			break;
diff --git a/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline_config.h b/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline_config.h
index c665cab16a..4be5740f1a 100644
--- a/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline_config.h
+++ b/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline_config.h
@@ -93,6 +93,54 @@
  */
 #define NTNIC_FLOW_PERIODIC_STATS_BYTE_TIMEOUT 23
 
+/*
+ * Protocol offset for packet bytes that should be used for calculations.
+ * The number of bytes (N) used for counting bytes in the FLM is determined
+ * as follows:
+ *
+ * N = FrameLength - NTNIC_FLOW_MBR_PKT_LAYER - NTNIC_FLOW_MBR_PKT_LAYER_OFFSET
+ *
+ * The frame length includes the FCS.
+ *
+ * 0: Start of frame; always zero.
+ * 1: Layer 2 header.
+ * 2: First VLAN.
+ * 3: First MPLS.
+ * 4: Layer 3 header.
+ * 5: The Identification field of IPv4 or IPv6.
+ * 6: The final IP destination address.
+ * 7: Layer 4 header.
+ * 8: Layer 4 payload.
+ * 9: Tunnel payload.
+ * 10: Tunneled layer 2 header.
+ * 11: First tunneled VLAN.
+ * 12: First tunneled MPLS.
+ * 13: Tunneled Layer 3 header.
+ * 14: The Identification field of tunneled IPv4 or IPv6.
+ * 15: The final tunneled IP destination address.
+ * 16: Tunneled layer 4 header.
+ * 17: Tunneled layer 4 payload.
+ *
+ * Default value : {0} - to count whole packet for all groups
+ * NOTE: In case that value for given `group` is not defined, then value for group 0 is used.
+ *
+ * Example: {4, 13, 13}
+ *  - count size of packet starting at:
+ *    - OUTER layer 3 for groups 0, 3 and above
+ *    - INNER layer 3 for groups 1 and 2
+ */
+#define NTNIC_FLOW_MBR_PKT_LAYER_PER_GROUP {0}
+
+/*
+ * Offset relative to the NTNIC_FLOW_MBR_PKT_LAYER. This is an 8 bit signed value.
+ *
+ * Default value: {-20} - to account for minimum spacing of 20B between frames for all groups
+ * NOTE: In case that value for given `group` is not defined, then value for group 0 is used.
+ *
+ * Example: {0} - do not apply any offset for any group
+ */
+#define NTNIC_FLOW_MBR_PKT_LAYER_OFFSET_PER_GROUP {-20}
+
 /*
  * This define sets the percentage of the full processing capacity
  * being reserved for scan operations. The scanner is responsible
-- 
2.45.0



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