[PATCH v2 02/20] net/ice/base: add NAC Topology device capability parser

[Qiming Yang]

Define and add parsing support for new device capability
ICE_AQC_CAPS_NAC_TOPOLOGY.

Signed-off-by: Grzegorz Nitka <grzegorz.nitka at intel.com>
Signed-off-by: Qiming Yang <qiming.yang at intel.com>
---
 drivers/net/ice/base/ice_common.c | 26 ++++++++++++++++++++++++++
 drivers/net/ice/base/ice_type.h   | 10 ++++++++++
 2 files changed, 36 insertions(+)

diff --git a/drivers/net/ice/base/ice_common.c b/drivers/net/ice/base/ice_common.c
index fa30c50ca1..ede46820cd 100644
--- a/drivers/net/ice/base/ice_common.c
+++ b/drivers/net/ice/base/ice_common.c
@@ -2807,6 +2807,29 @@ ice_parse_fdir_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
 		  dev_p->num_flow_director_fltr);
 }
 
+/**
+ * ice_parse_nac_topo_dev_caps - Parse ICE_AQC_CAPS_NAC_TOPOLOGY cap
+ * @hw: pointer to the HW struct
+ * @dev_p: pointer to device capabilities structure
+ * @cap: capability element to parse
+ *
+ * Parse ICE_AQC_CAPS_NAC_TOPOLOGY for device capabilities.
+ */
+static void
+ice_parse_nac_topo_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
+			    struct ice_aqc_list_caps_elem *cap)
+{
+	dev_p->nac_topo.mode = LE32_TO_CPU(cap->number);
+	dev_p->nac_topo.id = LE32_TO_CPU(cap->phys_id) & ICE_NAC_TOPO_ID_M;
+
+	ice_debug(hw, ICE_DBG_INIT, "dev caps: nac topology is_primary = %d\n",
+		  !!(dev_p->nac_topo.mode & ICE_NAC_TOPO_PRIMARY_M));
+	ice_debug(hw, ICE_DBG_INIT, "dev caps: nac topology is_dual = %d\n",
+		  !!(dev_p->nac_topo.mode & ICE_NAC_TOPO_DUAL_M));
+	ice_debug(hw, ICE_DBG_INIT, "dev caps: nac topology id = %d\n",
+		  dev_p->nac_topo.id);
+}
+
 /**
  * ice_parse_dev_caps - Parse device capabilities
  * @hw: pointer to the HW struct
@@ -2852,6 +2875,9 @@ ice_parse_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
 		case  ICE_AQC_CAPS_FD:
 			ice_parse_fdir_dev_caps(hw, dev_p, &cap_resp[i]);
 			break;
+		case ICE_AQC_CAPS_NAC_TOPOLOGY:
+			ice_parse_nac_topo_dev_caps(hw, dev_p, &cap_resp[i]);
+			break;
 		default:
 			/* Don't list common capabilities as unknown */
 			if (!found)
diff --git a/drivers/net/ice/base/ice_type.h b/drivers/net/ice/base/ice_type.h
index da813c8307..c653c1de3e 100644
--- a/drivers/net/ice/base/ice_type.h
+++ b/drivers/net/ice/base/ice_type.h
@@ -693,6 +693,15 @@ struct ice_ts_dev_info {
 	u8 ts_ll_read : 1;
 };
 
+#define ICE_NAC_TOPO_PRIMARY_M	BIT(0)
+#define ICE_NAC_TOPO_DUAL_M	BIT(1)
+#define ICE_NAC_TOPO_ID_M	MAKEMASK(0xf, 0)
+
+struct ice_nac_topology {
+	u32 mode;
+	u8 id;
+};
+
 /* Function specific capabilities */
 struct ice_hw_func_caps {
 	struct ice_hw_common_caps common_cap;
@@ -709,6 +718,7 @@ struct ice_hw_dev_caps {
 	u32 num_flow_director_fltr;	/* Number of FD filters available */
 	struct ice_ts_dev_info ts_dev_info;
 	u32 num_funcs;
+	struct ice_nac_topology nac_topo;
 };
 
 /* Information about MAC such as address, etc... */
-- 
2.25.1