diff options
| author | Jiri Pirko <jiri@nvidia.com> | 2025-07-22 11:19:45 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-07-23 17:08:56 -0700 |
| commit | 9a5bbab285cd21f56ec759d38d452394b51c5073 (patch) | |
| tree | 82a65b17832b8e1c10641a24c9ac8177f8e4242f /drivers | |
| parent | 1bbdb81a98363fd5cd0c2ac16ad5346bdf814dff (diff) | |
netdevsim: add fw_update_flash_chunk_time_ms debugfs knobs
Netdevsim emulates firmware update and it takes 5 seconds to complete.
For some use cases, this is too long and unnecessary. Allow user to
configure the time by exposing debugfs a knob to set chunk time.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250722091945.79506-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/netdevsim/dev.c | 9 | ||||
| -rw-r--r-- | drivers/net/netdevsim/netdevsim.h | 1 |
2 files changed, 7 insertions, 3 deletions
diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c index 01c7edb28d96..2672d071b325 100644 --- a/drivers/net/netdevsim/dev.c +++ b/drivers/net/netdevsim/dev.c @@ -314,6 +314,8 @@ static int nsim_dev_debugfs_init(struct nsim_dev *nsim_dev) &nsim_dev->fw_update_status); debugfs_create_u32("fw_update_overwrite_mask", 0600, nsim_dev->ddir, &nsim_dev->fw_update_overwrite_mask); + debugfs_create_u32("fw_update_flash_chunk_time_ms", 0600, nsim_dev->ddir, + &nsim_dev->fw_update_flash_chunk_time_ms); debugfs_create_u32("max_macs", 0600, nsim_dev->ddir, &nsim_dev->max_macs); debugfs_create_bool("test1", 0600, nsim_dev->ddir, @@ -1015,9 +1017,9 @@ static int nsim_dev_info_get(struct devlink *devlink, DEVLINK_INFO_VERSION_TYPE_COMPONENT); } -#define NSIM_DEV_FLASH_SIZE 500000 +#define NSIM_DEV_FLASH_SIZE 50000 #define NSIM_DEV_FLASH_CHUNK_SIZE 1000 -#define NSIM_DEV_FLASH_CHUNK_TIME_MS 10 +#define NSIM_DEV_FLASH_CHUNK_TIME_MS_DEFAULT 100 static int nsim_dev_flash_update(struct devlink *devlink, struct devlink_flash_update_params *params, @@ -1041,7 +1043,7 @@ static int nsim_dev_flash_update(struct devlink *devlink, params->component, i * NSIM_DEV_FLASH_CHUNK_SIZE, NSIM_DEV_FLASH_SIZE); - msleep(NSIM_DEV_FLASH_CHUNK_TIME_MS); + msleep(nsim_dev->fw_update_flash_chunk_time_ms ?: 1); } if (nsim_dev->fw_update_status) { @@ -1585,6 +1587,7 @@ int nsim_drv_probe(struct nsim_bus_dev *nsim_bus_dev) INIT_LIST_HEAD(&nsim_dev->port_list); nsim_dev->fw_update_status = true; nsim_dev->fw_update_overwrite_mask = 0; + nsim_dev->fw_update_flash_chunk_time_ms = NSIM_DEV_FLASH_CHUNK_TIME_MS_DEFAULT; nsim_dev->max_macs = NSIM_DEV_MAX_MACS_DEFAULT; nsim_dev->test1 = NSIM_DEV_TEST1_DEFAULT; spin_lock_init(&nsim_dev->fa_cookie_lock); diff --git a/drivers/net/netdevsim/netdevsim.h b/drivers/net/netdevsim/netdevsim.h index 8eeeb9256077..bddd24c1389d 100644 --- a/drivers/net/netdevsim/netdevsim.h +++ b/drivers/net/netdevsim/netdevsim.h @@ -317,6 +317,7 @@ struct nsim_dev { struct list_head port_list; bool fw_update_status; u32 fw_update_overwrite_mask; + u32 fw_update_flash_chunk_time_ms; u32 max_macs; bool test1; bool dont_allow_reload; |