qed: Add support for tlv request processing.

The patch adds driver support for processing TLV requests/repsonses
from the mfw and upper driver layers respectively. The implementation
reads the requested TLVs from the shared memory, requests the values
from upper layer drivers, populates this info (TLVs) shared memory and
notifies MFW about the TLV values.

Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 53 insertions, 0 deletions

diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.h b/drivers/net/ethernet/qlogic/qed/qed_mcp.h
index 250579ba632b..591877fca67a 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_mcp.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.h
@@ -213,6 +213,40 @@ enum qed_ov_wol {
 	QED_OV_WOL_ENABLED
 };
 
+enum qed_mfw_tlv_type {
+	QED_MFW_TLV_GENERIC = 0x1,	/* Core driver TLVs */
+	QED_MFW_TLV_ETH = 0x2,		/* L2 driver TLVs */
+	QED_MFW_TLV_MAX = 0x4,
+};
+
+struct qed_mfw_tlv_generic {
+#define QED_MFW_TLV_FLAGS_SIZE	2
+	struct {
+		u8 ipv4_csum_offload;
+		u8 lso_supported;
+		bool b_set;
+	} flags;
+
+#define QED_MFW_TLV_MAC_COUNT 3
+	/* First entry for primary MAC, 2 secondary MACs possible */
+	u8 mac[QED_MFW_TLV_MAC_COUNT][6];
+	bool mac_set[QED_MFW_TLV_MAC_COUNT];
+
+	u64 rx_frames;
+	bool rx_frames_set;
+	u64 rx_bytes;
+	bool rx_bytes_set;
+	u64 tx_frames;
+	bool tx_frames_set;
+	u64 tx_bytes;
+	bool tx_bytes_set;
+};
+
+union qed_mfw_tlv_data {
+	struct qed_mfw_tlv_generic generic;
+	struct qed_mfw_tlv_eth eth;
+};
+
 /**
  * @brief - returns the link params of the hw function
  *
@@ -561,6 +595,17 @@ int qed_mcp_bist_nvm_get_image_att(struct qed_hwfn *p_hwfn,
 				   struct bist_nvm_image_att *p_image_att,
 				   u32 image_index);
 
+/**
+ * @brief - Processes the TLV request from MFW i.e., get the required TLV info
+ *          from the qed client and send it to the MFW.
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ *
+ * @param return 0 upon success.
+ */
+int qed_mfw_process_tlv_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
+
 /* Using hwfn number (and not pf_num) is required since in CMT mode,
  * same pf_num may be used by two different hwfn
  * TODO - this shouldn't really be in .h file, but until all fields
@@ -621,6 +666,14 @@ struct qed_mcp_mb_params {
 	u32			mcp_param;
 };
 
+struct qed_drv_tlv_hdr {
+	u8 tlv_type;
+	u8 tlv_length;	/* In dwords - not including this header */
+	u8 tlv_reserved;
+#define QED_DRV_TLV_FLAGS_CHANGED 0x01
+	u8 tlv_flags;
+};
+
 /**
  * @brief Initialize the interface with the MCP
  *