netdev - [patch net-next 7/7] netdevsim: implement fake flash updating with notifications

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Date:   Thu, 23 May 2019 11:45:10 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, mlxsw@...lanox.com,
        jakub.kicinski@...ronome.com, sthemmin@...rosoft.com,
        dsahern@...il.com, saeedm@...lanox.com, leon@...nel.org
Subject: [patch net-next 7/7] netdevsim: implement fake flash updating with notifications

From: Jiri Pirko <jiri@...lanox.com>

Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
 drivers/net/netdevsim/dev.c | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c
index b509b941d5ca..c15b86f9cd2b 100644
--- a/drivers/net/netdevsim/dev.c
+++ b/drivers/net/netdevsim/dev.c
@@ -220,8 +220,43 @@ static int nsim_dev_reload(struct devlink *devlink,
 	return 0;
 }
 
+#define NSIM_DEV_FLASH_SIZE 500000
+#define NSIM_DEV_FLASH_CHUNK_SIZE 1000
+#define NSIM_DEV_FLASH_CHUNK_TIME_MS 10
+
+static int nsim_dev_flash_update(struct devlink *devlink, const char *file_name,
+				 const char *component,
+				 struct netlink_ext_ack *extack)
+{
+	int i;
+
+	devlink_flash_update_begin_notify(devlink);
+
+	devlink_flash_update_status_notify(devlink, "Preparing to flash",
+					   component, 0, 0);
+	for (i = 0; i < NSIM_DEV_FLASH_SIZE / NSIM_DEV_FLASH_CHUNK_SIZE; i++) {
+		devlink_flash_update_status_notify(devlink, "Flashing",
+						   component,
+						   i * NSIM_DEV_FLASH_CHUNK_SIZE,
+						   NSIM_DEV_FLASH_SIZE);
+		msleep(NSIM_DEV_FLASH_CHUNK_TIME_MS);
+	}
+	devlink_flash_update_status_notify(devlink, "Flashing",
+					   component,
+					   NSIM_DEV_FLASH_SIZE,
+					   NSIM_DEV_FLASH_SIZE);
+
+	devlink_flash_update_status_notify(devlink, "Flashing done",
+					   component, 0, 0);
+
+	devlink_flash_update_end_notify(devlink);
+
+	return 0;
+}
+
 static const struct devlink_ops nsim_dev_devlink_ops = {
 	.reload = nsim_dev_reload,
+	.flash_update = nsim_dev_flash_update,
 };
 
 static struct nsim_dev *
-- 
2.17.2