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Message-Id: <20211214182908.1513343-2-anthony.l.nguyen@intel.com>
Date: Tue, 14 Dec 2021 10:28:57 -0800
From: Tony Nguyen <anthony.l.nguyen@...el.com>
To: davem@...emloft.net, kuba@...nel.org
Cc: Haiyue Wang <haiyue.wang@...el.com>, netdev@...r.kernel.org,
anthony.l.nguyen@...el.com,
Tony Brelinski <tony.brelinski@...el.com>
Subject: [PATCH net-next 01/12] ice: Add package PTYPE enable information
From: Haiyue Wang <haiyue.wang@...el.com>
Scan the 'Marker Ptype TCAM' section to retrieve the Rx parser PTYPE
enable information from the current package.
Signed-off-by: Haiyue Wang <haiyue.wang@...el.com>
Tested-by: Tony Brelinski <tony.brelinski@...el.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
---
.../net/ethernet/intel/ice/ice_flex_pipe.c | 73 +++++++++++++++++++
.../net/ethernet/intel/ice/ice_flex_pipe.h | 4 +
.../net/ethernet/intel/ice/ice_flex_type.h | 20 +++++
drivers/net/ethernet/intel/ice/ice_type.h | 1 +
4 files changed, 98 insertions(+)
diff --git a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
index 6ad1c2559724..8b8209a76229 100644
--- a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
+++ b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
@@ -313,6 +313,78 @@ 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 &&
+ test_bit(ptype, hw->hw_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 (sect_type != ICE_SID_RXPARSER_MARKER_PTYPE)
+ return NULL;
+
+ if (index > ICE_MAX_MARKER_PTYPE_TCAMS_IN_BUF)
+ return NULL;
+
+ if (offset)
+ *offset = 0;
+
+ marker_ptype = 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;
+
+ bitmap_zero(hw->hw_ptype, ICE_FLOW_PTYPE_MAX);
+ if (!seg)
+ return;
+
+ memset(&state, 0, sizeof(state));
+
+ do {
+ tcam = 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)
+ set_bit(le16_to_cpu(tcam->ptype), hw->hw_ptype);
+
+ seg = NULL;
+ } while (tcam);
+}
+
/**
* ice_boost_tcam_handler
* @sect_type: section type
@@ -1488,6 +1560,7 @@ 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/ethernet/intel/ice/ice_flex_pipe.h b/drivers/net/ethernet/intel/ice/ice_flex_pipe.h
index a2863f38fd1f..863a3f546b82 100644
--- a/drivers/net/ethernet/intel/ice/ice_flex_pipe.h
+++ b/drivers/net/ethernet/intel/ice/ice_flex_pipe.h
@@ -40,6 +40,10 @@ int ice_udp_tunnel_set_port(struct net_device *netdev, unsigned int table,
int ice_udp_tunnel_unset_port(struct net_device *netdev, unsigned int table,
unsigned int idx, struct udp_tunnel_info *ti);
+/* Rx parser PTYPE functions */
+bool ice_hw_ptype_ena(struct ice_hw *hw, u16 ptype);
+
+/* XLT2/VSI group functions */
enum ice_status
ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
const struct ice_ptype_attributes *attr, u16 attr_cnt,
diff --git a/drivers/net/ethernet/intel/ice/ice_flex_type.h b/drivers/net/ethernet/intel/ice/ice_flex_type.h
index 0f572a36d021..a8246fb039ca 100644
--- a/drivers/net/ethernet/intel/ice/ice_flex_type.h
+++ b/drivers/net/ethernet/intel/ice/ice_flex_type.h
@@ -160,6 +160,7 @@ struct ice_meta_sect {
#define ICE_SID_CDID_KEY_BUILDER_RSS 47
#define ICE_SID_CDID_REDIR_RSS 48
+#define ICE_SID_RXPARSER_MARKER_PTYPE 55
#define ICE_SID_RXPARSER_BOOST_TCAM 56
#define ICE_SID_TXPARSER_BOOST_TCAM 66
@@ -329,6 +330,25 @@ 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[];
+};
+
+#define ICE_MAX_MARKER_PTYPE_TCAMS_IN_BUF \
+ ICE_MAX_ENTRIES_IN_BUF(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/ethernet/intel/ice/ice_type.h b/drivers/net/ethernet/intel/ice/ice_type.h
index 9e0c2923c62e..1f3582197e60 100644
--- a/drivers/net/ethernet/intel/ice/ice_type.h
+++ b/drivers/net/ethernet/intel/ice/ice_type.h
@@ -919,6 +919,7 @@ struct ice_hw {
struct mutex rss_locks; /* protect RSS configuration */
struct list_head rss_list_head;
struct ice_mbx_snapshot mbx_snapshot;
+ DECLARE_BITMAP(hw_ptype, ICE_FLOW_PTYPE_MAX);
u16 io_expander_handle;
};
--
2.31.1
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