Add progress notifications ability to user space while flashing modules'
firmware by implementing the interface between the user space and the
kernel.
Signed-off-by: Danielle Ratson <danieller@xxxxxxxxxx>
---
Notes:
v2:
* Increase err_msg length.
net/ethtool/module.c | 83 +++++++++++++++++++++++++++++++++++++++++
net/ethtool/module_fw.h | 10 +++++
2 files changed, 93 insertions(+)
create mode 100644 net/ethtool/module_fw.h
diff --git a/net/ethtool/module.c b/net/ethtool/module.c
index ceb575efc290..114a2ec986fe 100644
--- a/net/ethtool/module.c
+++ b/net/ethtool/module.c
@@ -5,6 +5,7 @@
#include "netlink.h"
#include "common.h"
#include "bitset.h"
+#include "module_fw.h"
struct module_req_info {
struct ethnl_req_info base;
@@ -158,3 +159,85 @@ const struct ethnl_request_ops ethnl_module_request_ops = {
.set = ethnl_set_module,
.set_ntf_cmd = ETHTOOL_MSG_MODULE_NTF,
};
+
+/* MODULE_FW_FLASH_NTF */
+
+static void
+ethnl_module_fw_flash_ntf(struct net_device *dev,
+ enum ethtool_module_fw_flash_status status,
+ const char *status_msg, u64 done, u64 total)
+{
+ struct sk_buff *skb;
+ void *hdr;
+ int ret;
+
+ skb = genlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ if (!skb)
+ return;
+
+ hdr = ethnl_bcastmsg_put(skb, ETHTOOL_MSG_MODULE_FW_FLASH_NTF);
+ if (!hdr)
+ goto err_skb;
+
+ ret = ethnl_fill_reply_header(skb, dev,
+ ETHTOOL_A_MODULE_FW_FLASH_HEADER);
+ if (ret < 0)
+ goto err_skb;
+
+ if (nla_put_u32(skb, ETHTOOL_A_MODULE_FW_FLASH_STATUS, status))
+ goto err_skb;
+
+ if (status_msg &&
+ nla_put_string(skb, ETHTOOL_A_MODULE_FW_FLASH_STATUS_MSG,
+ status_msg))
+ goto err_skb;
+
+ if (nla_put_u64_64bit(skb, ETHTOOL_A_MODULE_FW_FLASH_DONE, done,
+ ETHTOOL_A_MODULE_FW_FLASH_PAD))
+ goto err_skb;
+
+ if (nla_put_u64_64bit(skb, ETHTOOL_A_MODULE_FW_FLASH_TOTAL, total,
+ ETHTOOL_A_MODULE_FW_FLASH_PAD))
+ goto err_skb;
+
+ genlmsg_end(skb, hdr);
+ ethnl_multicast(skb, dev);
+ return;
+
+err_skb:
+ nlmsg_free(skb);
+}
+
+void ethnl_module_fw_flash_ntf_err(struct net_device *dev,
+ char *err_msg, char *sub_err_msg)
+{
+ char status_msg[120];
+
+ if (sub_err_msg)
+ sprintf(status_msg, "%s, %s.", err_msg, sub_err_msg);
+ else
+ sprintf(status_msg, "%s.", err_msg);
+
+ ethnl_module_fw_flash_ntf(dev, ETHTOOL_MODULE_FW_FLASH_STATUS_ERROR,
+ status_msg, 0, 0);
+}
+
+void ethnl_module_fw_flash_ntf_start(struct net_device *dev)
+{
+ ethnl_module_fw_flash_ntf(dev, ETHTOOL_MODULE_FW_FLASH_STATUS_STARTED,
+ NULL, 0, 0);
+}
+
+void ethnl_module_fw_flash_ntf_complete(struct net_device *dev)
+{
+ ethnl_module_fw_flash_ntf(dev, ETHTOOL_MODULE_FW_FLASH_STATUS_COMPLETED,
+ NULL, 0, 0);
+}
+
+void ethnl_module_fw_flash_ntf_in_progress(struct net_device *dev, u64 done,
+ u64 total)
+{
+ ethnl_module_fw_flash_ntf(dev,
+ ETHTOOL_MODULE_FW_FLASH_STATUS_IN_PROGRESS,
+ NULL, done, total);
+}
diff --git a/net/ethtool/module_fw.h b/net/ethtool/module_fw.h
new file mode 100644
index 000000000000..e40eae442741
--- /dev/null
+++ b/net/ethtool/module_fw.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <uapi/linux/ethtool.h>
+
+void ethnl_module_fw_flash_ntf_err(struct net_device *dev,
+ char *err_msg, char *sub_err_msg);
+void ethnl_module_fw_flash_ntf_start(struct net_device *dev);
+void ethnl_module_fw_flash_ntf_complete(struct net_device *dev);
+void ethnl_module_fw_flash_ntf_in_progress(struct net_device *dev, u64 done,
+ u64 total);
--
2.43.0
