[dpdk-dev] [PATCH 18/36] ixgbe base codes: Restructure host interface command

[Ouyang Changchun <changchun.ouyang@intel.com>]

Request and response command have different struct.

Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
---
 lib/librte_pmd_ixgbe/ixgbe/ixgbe_type.h | 22 ++++++++++++++++-----
 lib/librte_pmd_ixgbe/ixgbe/ixgbe_x550.c | 34 ++++++++++++++++-----------------
 2 files changed, 34 insertions(+), 22 deletions(-)

diff --git a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_type.h b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_type.h
index 6043eac..8946006 100644
--- a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_type.h
+++ b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_type.h
@@ -2821,13 +2821,25 @@ struct ixgbe_hic_hdr {
 	u8 checksum;
 };
 
-struct ixgbe_hic_hdr2 {
+struct ixgbe_hic_hdr2_req {
 	u8 cmd;
-	u8 buf_len1;
-	u8 buf_len2;
+	u8 buf_lenh;
+	u8 buf_lenl;
 	u8 checksum;
 };
 
+struct ixgbe_hic_hdr2_rsp {
+	u8 cmd;
+	u8 buf_lenl;
+	u8 buf_lenh_status;	/* 7-5: high bits of buf_len, 4-0: status */
+	u8 checksum;
+};
+
+union ixgbe_hic_hdr2 {
+	struct ixgbe_hic_hdr2_req req;
+	struct ixgbe_hic_hdr2_rsp rsp;
+};
+
 struct ixgbe_hic_drv_info {
 	struct ixgbe_hic_hdr hdr;
 	u8 port_num;
@@ -2841,7 +2853,7 @@ struct ixgbe_hic_drv_info {
 
 /* These need to be dword aligned */
 struct ixgbe_hic_read_shadow_ram {
-	struct ixgbe_hic_hdr2 hdr;
+	union ixgbe_hic_hdr2 hdr;
 	u32 address;
 	u16 length;
 	u16 pad2;
@@ -2850,7 +2862,7 @@ struct ixgbe_hic_read_shadow_ram {
 };
 
 struct ixgbe_hic_write_shadow_ram {
-	struct ixgbe_hic_hdr2 hdr;
+	union ixgbe_hic_hdr2 hdr;
 	u32 address;
 	u16 length;
 	u16 pad2;
diff --git a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_x550.c b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_x550.c
index e3d8fc1..d8a0c19 100644
--- a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_x550.c
+++ b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_x550.c
@@ -1450,10 +1450,10 @@ s32 ixgbe_read_ee_hostif_data_X550(struct ixgbe_hw *hw, u16 offset,
 	struct ixgbe_hic_read_shadow_ram buffer;
 
 	DEBUGFUNC("ixgbe_read_ee_hostif_data_X550");
-	buffer.hdr.cmd = FW_READ_SHADOW_RAM_CMD;
-	buffer.hdr.buf_len1 = 0;
-	buffer.hdr.buf_len2 = FW_READ_SHADOW_RAM_LEN;
-	buffer.hdr.checksum = FW_DEFAULT_CHECKSUM;
+	buffer.hdr.req.cmd = FW_READ_SHADOW_RAM_CMD;
+	buffer.hdr.req.buf_lenh = 0;
+	buffer.hdr.req.buf_lenl = FW_READ_SHADOW_RAM_LEN;
+	buffer.hdr.req.checksum = FW_DEFAULT_CHECKSUM;
 
 	/* convert offset from words to bytes */
 	buffer.address = IXGBE_CPU_TO_BE32(offset * 2);
@@ -1531,10 +1531,10 @@ s32 ixgbe_read_ee_hostif_buffer_X550(struct ixgbe_hw *hw,
 		else
 			words_to_read = words;
 
-		buffer.hdr.cmd = FW_READ_SHADOW_RAM_CMD;
-		buffer.hdr.buf_len1 = 0;
-		buffer.hdr.buf_len2 = FW_READ_SHADOW_RAM_LEN;
-		buffer.hdr.checksum = FW_DEFAULT_CHECKSUM;
+		buffer.hdr.req.cmd = FW_READ_SHADOW_RAM_CMD;
+		buffer.hdr.req.buf_lenh = 0;
+		buffer.hdr.req.buf_lenl = FW_READ_SHADOW_RAM_LEN;
+		buffer.hdr.req.checksum = FW_DEFAULT_CHECKSUM;
 
 		/* convert offset from words to bytes */
 		buffer.address = IXGBE_CPU_TO_BE32((offset + current_word) * 2);
@@ -1588,10 +1588,10 @@ s32 ixgbe_write_ee_hostif_data_X550(struct ixgbe_hw *hw, u16 offset,
 
 	DEBUGFUNC("ixgbe_write_ee_hostif_data_X550");
 
-	buffer.hdr.cmd = FW_WRITE_SHADOW_RAM_CMD;
-	buffer.hdr.buf_len1 = 0;
-	buffer.hdr.buf_len2 = FW_WRITE_SHADOW_RAM_LEN;
-	buffer.hdr.checksum = FW_DEFAULT_CHECKSUM;
+	buffer.hdr.req.cmd = FW_WRITE_SHADOW_RAM_CMD;
+	buffer.hdr.req.buf_lenh = 0;
+	buffer.hdr.req.buf_lenl = FW_WRITE_SHADOW_RAM_LEN;
+	buffer.hdr.req.checksum = FW_DEFAULT_CHECKSUM;
 
 	 /* one word */
 	buffer.length = IXGBE_CPU_TO_BE16(sizeof(u16));
@@ -1905,14 +1905,14 @@ s32 ixgbe_update_eeprom_checksum_X550(struct ixgbe_hw *hw)
 s32 ixgbe_update_flash_X550(struct ixgbe_hw *hw)
 {
 	s32 status = IXGBE_SUCCESS;
-	struct ixgbe_hic_hdr2 buffer;
+	union ixgbe_hic_hdr2 buffer;
 
 	DEBUGFUNC("ixgbe_update_flash_X550");
 
-	buffer.cmd = FW_SHADOW_RAM_DUMP_CMD;
-	buffer.buf_len1 = 0;
-	buffer.buf_len2 = FW_SHADOW_RAM_DUMP_LEN;
-	buffer.checksum = FW_DEFAULT_CHECKSUM;
+	buffer.req.cmd = FW_SHADOW_RAM_DUMP_CMD;
+	buffer.req.buf_lenh = 0;
+	buffer.req.buf_lenl = FW_SHADOW_RAM_DUMP_LEN;
+	buffer.req.checksum = FW_DEFAULT_CHECKSUM;
 
 	status = ixgbe_host_interface_command(hw, (u32 *)&buffer,
 					      sizeof(buffer),
-- 
1.8.4.2