[dpdk-dev] [PATCH 3/9] net/ice/base: add package PTYPE enable information

[Qi Zhang <qi.z.zhang@intel.com>]

Scan the 'Marker PType TCAM' session to retrieve the Rx parser PTYPE
enable information from the current package.

Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
 drivers/net/ice/base/ice_flex_pipe.c | 79 ++++++++++++++++++++++++++++
 drivers/net/ice/base/ice_flex_pipe.h |  3 ++
 drivers/net/ice/base/ice_flex_type.h | 19 +++++++
 drivers/net/ice/base/ice_type.h      |  1 +
 4 files changed, 102 insertions(+)

diff --git a/drivers/net/ice/base/ice_flex_pipe.c b/drivers/net/ice/base/ice_flex_pipe.c
index 96aed3b795..427b688535 100644
--- a/drivers/net/ice/base/ice_flex_pipe.c
+++ b/drivers/net/ice/base/ice_flex_pipe.c
@@ -316,6 +316,84 @@ ice_pkg_enum_entry(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
 	return entry;
 }
 
+/**
+ * ice_hw_ptype_ena - check if the PTYPE is enabled or not
+ * @hw: pointer to the HW structure
+ * @ptype: the hardware PTYPE
+ */
+bool ice_hw_ptype_ena(struct ice_hw *hw, u16 ptype)
+{
+	return ptype < ICE_FLOW_PTYPE_MAX &&
+	       ice_is_bit_set(hw->hw_ptype, ptype);
+}
+
+/**
+ * ice_marker_ptype_tcam_handler
+ * @sect_type: section type
+ * @section: pointer to section
+ * @index: index of the Marker PType TCAM entry to be returned
+ * @offset: pointer to receive absolute offset, always 0 for ptype TCAM sections
+ *
+ * This is a callback function that can be passed to ice_pkg_enum_entry.
+ * Handles enumeration of individual Marker PType TCAM entries.
+ */
+static void *
+ice_marker_ptype_tcam_handler(u32 sect_type, void *section, u32 index,
+			      u32 *offset)
+{
+	struct ice_marker_ptype_tcam_section *marker_ptype;
+
+	if (!section)
+		return NULL;
+
+	if (sect_type != ICE_SID_RXPARSER_MARKER_PTYPE)
+		return NULL;
+
+	/* cppcheck-suppress nullPointer */
+	if (index > ICE_MAX_MARKER_PTYPE_TCAMS_IN_BUF)
+		return NULL;
+
+	if (offset)
+		*offset = 0;
+
+	marker_ptype = (struct ice_marker_ptype_tcam_section *)section;
+	if (index >= LE16_TO_CPU(marker_ptype->count))
+		return NULL;
+
+	return marker_ptype->tcam + index;
+}
+
+/**
+ * ice_fill_hw_ptype - fill the enabled PTYPE bit information
+ * @hw: pointer to the HW structure
+ */
+static void
+ice_fill_hw_ptype(struct ice_hw *hw)
+{
+	struct ice_marker_ptype_tcam_entry *tcam;
+	struct ice_seg *seg = hw->seg;
+	struct ice_pkg_enum state;
+
+	ice_zero_bitmap(hw->hw_ptype, ICE_FLOW_PTYPE_MAX);
+	if (!seg)
+		return;
+
+	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
+
+	do {
+		tcam = (struct ice_marker_ptype_tcam_entry *)
+			ice_pkg_enum_entry(seg, &state,
+					   ICE_SID_RXPARSER_MARKER_PTYPE, NULL,
+					   ice_marker_ptype_tcam_handler);
+		if (tcam &&
+		    LE16_TO_CPU(tcam->addr) < ICE_MARKER_PTYPE_TCAM_ADDR_MAX &&
+		    LE16_TO_CPU(tcam->ptype) < ICE_FLOW_PTYPE_MAX)
+			ice_set_bit(LE16_TO_CPU(tcam->ptype), hw->hw_ptype);
+
+		seg = NULL;
+	} while (tcam);
+}
+
 /**
  * ice_boost_tcam_handler
  * @sect_type: section type
@@ -1541,6 +1619,7 @@ enum ice_status ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len)
 		 */
 		ice_init_pkg_regs(hw);
 		ice_fill_blk_tbls(hw);
+		ice_fill_hw_ptype(hw);
 		ice_get_prof_index_max(hw);
 	} else {
 		ice_debug(hw, ICE_DBG_INIT, "package load failed, %d\n",
diff --git a/drivers/net/ice/base/ice_flex_pipe.h b/drivers/net/ice/base/ice_flex_pipe.h
index d4679cc940..066ff95e13 100644
--- a/drivers/net/ice/base/ice_flex_pipe.h
+++ b/drivers/net/ice/base/ice_flex_pipe.h
@@ -54,6 +54,9 @@ bool ice_tunnel_port_in_use(struct ice_hw *hw, u16 port, u16 *index);
 bool
 ice_tunnel_get_type(struct ice_hw *hw, u16 port, enum ice_tunnel_type *type);
 
+/* RX parser PType functions */
+bool ice_hw_ptype_ena(struct ice_hw *hw, u16 ptype);
+
 /* XLT2/VSI group functions */
 enum ice_status
 ice_vsig_find_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 *vsig);
diff --git a/drivers/net/ice/base/ice_flex_type.h b/drivers/net/ice/base/ice_flex_type.h
index 62cc81b49c..9b9503b3ba 100644
--- a/drivers/net/ice/base/ice_flex_type.h
+++ b/drivers/net/ice/base/ice_flex_type.h
@@ -472,6 +472,25 @@ struct ice_boost_tcam_section {
 	sizeof(struct ice_boost_tcam_entry), \
 	sizeof(struct ice_boost_tcam_entry))
 
+/* package Marker PType TCAM entry */
+struct ice_marker_ptype_tcam_entry {
+#define ICE_MARKER_PTYPE_TCAM_ADDR_MAX	1024
+	__le16 addr;
+	__le16 ptype;
+	u8 keys[20];
+};
+
+struct ice_marker_ptype_tcam_section {
+	__le16 count;
+	__le16 reserved;
+	struct ice_marker_ptype_tcam_entry tcam[STRUCT_HACK_VAR_LEN];
+};
+
+#define ICE_MAX_MARKER_PTYPE_TCAMS_IN_BUF ICE_MAX_ENTRIES_IN_BUF( \
+	ice_struct_size((struct ice_marker_ptype_tcam_section *)0, tcam, 1) - \
+	sizeof(struct ice_marker_ptype_tcam_entry), \
+	sizeof(struct ice_marker_ptype_tcam_entry))
+
 struct ice_xlt1_section {
 	__le16 count;
 	__le16 offset;
diff --git a/drivers/net/ice/base/ice_type.h b/drivers/net/ice/base/ice_type.h
index bb2cfd07fd..86e93c34a1 100644
--- a/drivers/net/ice/base/ice_type.h
+++ b/drivers/net/ice/base/ice_type.h
@@ -995,6 +995,7 @@ struct ice_hw {
 	struct ice_lock rss_locks;	/* protect RSS configuration */
 	struct LIST_HEAD_TYPE rss_list_head;
 	struct ice_vlan_mode_ops vlan_mode_ops;
+	ice_declare_bitmap(hw_ptype, ICE_FLOW_PTYPE_MAX);
 };
 
 /* Statistics collected by each port, VSI, VEB, and S-channel */
-- 
2.26.2