diff options
| author | Jérôme Pouiller <jerome.pouiller@silabs.com> | 2019-09-19 14:25:43 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-04 10:47:35 +0200 |
| commit | 846239f641db5af8dd952575a65808281f2d849e (patch) | |
| tree | 2a26524b1b29e85026ffe5f20b742c91848fdf89 /drivers/staging/wfx/debug.c | |
| parent | f95a29d40782f4f0052a692a822de3ba044b19ff (diff) | |
staging: wfx: introduce "secure link"
Chip support encryption of the link between host and chip. This feature
is called "secure link". Driver code on github[1] support it. However,
it relies on mbedtls for cryptographic functions. So, I decided to not
import this feature in current patch. However, in order to keep code
synchronized between github and kernel, I imported all code related to
this feature, even if most of it is just no-op.
[1]: https://github.com/SiliconLabs/wfx-linux-driver/
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20190919142527.31797-14-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/wfx/debug.c')
| -rw-r--r-- | drivers/staging/wfx/debug.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/staging/wfx/debug.c b/drivers/staging/wfx/debug.c index 0a328c96eaa0..f79693a4be7f 100644 --- a/drivers/staging/wfx/debug.c +++ b/drivers/staging/wfx/debug.c @@ -6,6 +6,7 @@ * Copyright (c) 2010, ST-Ericsson */ #include <linux/debugfs.h> +#include <linux/crc32.h> #include "debug.h" #include "wfx.h" @@ -53,6 +54,21 @@ const char *get_reg_name(unsigned long id) return get_symbol(id, wfx_reg_print_map); } +static ssize_t wfx_burn_slk_key_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct wfx_dev *wdev = file->private_data; + + dev_info(wdev->dev, "this driver does not support secure link\n"); + return -EINVAL; +} + +static const struct file_operations wfx_burn_slk_key_fops = { + .open = simple_open, + .write = wfx_burn_slk_key_write, +}; + struct dbgfs_hif_msg { struct wfx_dev *wdev; struct completion complete; @@ -146,6 +162,7 @@ int wfx_debug_init(struct wfx_dev *wdev) struct dentry *d; d = debugfs_create_dir("wfx", wdev->hw->wiphy->debugfsdir); + debugfs_create_file("burn_slk_key", 0200, d, wdev, &wfx_burn_slk_key_fops); debugfs_create_file("send_hif_msg", 0600, d, wdev, &wfx_send_hif_msg_fops); return 0; |