be2net: Patch to flash redboot section while firmware update.

Please apply patch to update redboot section while firmware update. Code
checks if section needs to be updated before actually doing it.

Signed-off-by: Sarveshwar Bandi <sarveshwarb@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 29 insertions, 0 deletions

diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index cc75dd0df0d..808ad0dd411 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -1251,3 +1251,32 @@ int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd,
 	spin_unlock_bh(&adapter->mcc_lock);
 	return status;
 }
+
+int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc)
+{
+	struct be_mcc_wrb *wrb;
+	struct be_cmd_write_flashrom *req;
+	int status;
+
+	spin_lock_bh(&adapter->mcc_lock);
+
+	wrb = wrb_from_mccq(adapter);
+	req = embedded_payload(wrb);
+
+	be_wrb_hdr_prepare(wrb, sizeof(*req)+4, true, 0);
+
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+		OPCODE_COMMON_READ_FLASHROM, sizeof(*req)+4);
+
+	req->params.op_type = cpu_to_le32(FLASHROM_TYPE_REDBOOT);
+	req->params.op_code = cpu_to_le32(FLASHROM_OPER_REPORT);
+	req->params.offset = 0x3FFFC;
+	req->params.data_buf_size = 0x4;
+
+	status = be_mcc_notify_wait(adapter);
+	if (!status)
+		memcpy(flashed_crc, req->params.data_buf, 4);
+
+	spin_unlock_bh(&adapter->mcc_lock);
+	return status;
+}