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Diffstat (limited to 'sys/contrib/dev/iwlwifi/mld/debugfs.h')
-rw-r--r--sys/contrib/dev/iwlwifi/mld/debugfs.h244
1 files changed, 244 insertions, 0 deletions
diff --git a/sys/contrib/dev/iwlwifi/mld/debugfs.h b/sys/contrib/dev/iwlwifi/mld/debugfs.h
new file mode 100644
index 000000000000..eeba35342ba1
--- /dev/null
+++ b/sys/contrib/dev/iwlwifi/mld/debugfs.h
@@ -0,0 +1,244 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/*
+ * Copyright (C) 2024-2025 Intel Corporation
+ */
+#include "iface.h"
+#include "sta.h"
+
+#define MLD_DEBUGFS_OPEN_WRAPPER(name, buflen, argtype) \
+struct dbgfs_##name##_data { \
+ argtype *arg; \
+ bool read_done; \
+ ssize_t rlen; \
+ char buf[buflen]; \
+}; \
+static int _iwl_dbgfs_##name##_open(struct inode *inode, \
+ struct file *file) \
+{ \
+ struct dbgfs_##name##_data *data; \
+ \
+ if ((file->f_flags & O_ACCMODE) == O_RDWR) \
+ return -EOPNOTSUPP; \
+ \
+ data = kzalloc(sizeof(*data), GFP_KERNEL); \
+ if (!data) \
+ return -ENOMEM; \
+ \
+ data->read_done = false; \
+ data->arg = inode->i_private; \
+ file->private_data = data; \
+ \
+ return 0; \
+}
+
+#define MLD_DEBUGFS_READ_WRAPPER(name) \
+static ssize_t _iwl_dbgfs_##name##_read(struct file *file, \
+ char __user *user_buf, \
+ size_t count, loff_t *ppos) \
+{ \
+ struct dbgfs_##name##_data *data = file->private_data; \
+ \
+ if (!data->read_done) { \
+ data->read_done = true; \
+ data->rlen = iwl_dbgfs_##name##_read(data->arg, \
+ sizeof(data->buf),\
+ data->buf); \
+ } \
+ \
+ if (data->rlen < 0) \
+ return data->rlen; \
+ return simple_read_from_buffer(user_buf, count, ppos, \
+ data->buf, data->rlen); \
+}
+
+static int _iwl_dbgfs_release(struct inode *inode, struct file *file)
+{
+ kfree(file->private_data);
+ return 0;
+}
+
+#define _MLD_DEBUGFS_READ_FILE_OPS(name, buflen, argtype) \
+MLD_DEBUGFS_OPEN_WRAPPER(name, buflen, argtype) \
+MLD_DEBUGFS_READ_WRAPPER(name) \
+static const struct file_operations iwl_dbgfs_##name##_ops = { \
+ .read = _iwl_dbgfs_##name##_read, \
+ .open = _iwl_dbgfs_##name##_open, \
+ .llseek = generic_file_llseek, \
+ .release = _iwl_dbgfs_release, \
+}
+
+#define WIPHY_DEBUGFS_WRITE_HANDLER_WRAPPER(name) \
+static ssize_t iwl_dbgfs_##name##_write_handler(struct wiphy *wiphy, \
+ struct file *file, char *buf, \
+ size_t count, void *data) \
+{ \
+ struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); \
+ struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); \
+ return iwl_dbgfs_##name##_write(mld, buf, count, data); \
+}
+
+static inline struct iwl_mld *
+iwl_mld_from_link_sta(struct ieee80211_link_sta *link_sta)
+{
+ struct ieee80211_vif *vif =
+ iwl_mld_sta_from_mac80211(link_sta->sta)->vif;
+ return iwl_mld_vif_from_mac80211(vif)->mld;
+}
+
+static inline struct iwl_mld *
+iwl_mld_from_bss_conf(struct ieee80211_bss_conf *link)
+{
+ return iwl_mld_vif_from_mac80211(link->vif)->mld;
+}
+
+static inline struct iwl_mld *iwl_mld_from_vif(struct ieee80211_vif *vif)
+{
+ return iwl_mld_vif_from_mac80211(vif)->mld;
+}
+
+#define WIPHY_DEBUGFS_WRITE_WRAPPER(name, bufsz, objtype) \
+WIPHY_DEBUGFS_WRITE_HANDLER_WRAPPER(name) \
+static ssize_t __iwl_dbgfs_##name##_write(struct file *file, \
+ const char __user *user_buf, \
+ size_t count, loff_t *ppos) \
+{ \
+ struct ieee80211_##objtype *arg = file->private_data; \
+ struct iwl_mld *mld = iwl_mld_from_##objtype(arg); \
+ char buf[bufsz] = {}; \
+ \
+ return wiphy_locked_debugfs_write(mld->wiphy, file, \
+ buf, sizeof(buf), \
+ user_buf, count, \
+ iwl_dbgfs_##name##_write_handler, \
+ arg); \
+}
+
+#define WIPHY_DEBUGFS_WRITE_FILE_OPS(name, bufsz, objtype) \
+ WIPHY_DEBUGFS_WRITE_WRAPPER(name, bufsz, objtype) \
+ static const struct file_operations iwl_dbgfs_##name##_ops = { \
+ .write = __iwl_dbgfs_##name##_write, \
+ .open = simple_open, \
+ .llseek = generic_file_llseek, \
+ }
+
+#define WIPHY_DEBUGFS_READ_HANDLER_WRAPPER_MLD(name) \
+static ssize_t iwl_dbgfs_##name##_read_handler(struct wiphy *wiphy, \
+ struct file *file, char *buf, \
+ size_t count, void *data) \
+{ \
+ struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); \
+ struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); \
+ return iwl_dbgfs_##name##_read(mld, buf, count); \
+}
+
+#define WIPHY_DEBUGFS_WRITE_HANDLER_WRAPPER_MLD(name) \
+static ssize_t iwl_dbgfs_##name##_write_handler(struct wiphy *wiphy, \
+ struct file *file, char *buf, \
+ size_t count, void *data) \
+{ \
+ struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); \
+ struct iwl_mld *mld = IWL_MAC80211_GET_MLD(hw); \
+ return iwl_dbgfs_##name##_write(mld, buf, count); \
+}
+
+#define WIPHY_DEBUGFS_WRITE_WRAPPER_MLD(name) \
+WIPHY_DEBUGFS_WRITE_HANDLER_WRAPPER_MLD(name) \
+static ssize_t __iwl_dbgfs_##name##_write(struct file *file, \
+ const char __user *user_buf, \
+ size_t count, loff_t *ppos) \
+{ \
+ struct dbgfs_##name##_data *data = file->private_data; \
+ struct iwl_mld *mld = data->arg; \
+ \
+ return wiphy_locked_debugfs_write(mld->wiphy, file, \
+ data->buf, sizeof(data->buf), \
+ user_buf, count, \
+ iwl_dbgfs_##name##_write_handler, \
+ NULL); \
+}
+
+#define WIPHY_DEBUGFS_READ_WRAPPER_MLD(name) \
+WIPHY_DEBUGFS_READ_HANDLER_WRAPPER_MLD(name) \
+static ssize_t __iwl_dbgfs_##name##_read(struct file *file, \
+ char __user *user_buf, \
+ size_t count, loff_t *ppos) \
+{ \
+ struct dbgfs_##name##_data *data = file->private_data; \
+ struct iwl_mld *mld = data->arg; \
+ \
+ if (!data->read_done) { \
+ data->read_done = true; \
+ data->rlen = wiphy_locked_debugfs_read(mld->wiphy, \
+ file, data->buf, sizeof(data->buf), \
+ user_buf, count, ppos, \
+ iwl_dbgfs_##name##_read_handler, NULL); \
+ return data->rlen; \
+ } \
+ \
+ if (data->rlen < 0) \
+ return data->rlen; \
+ return simple_read_from_buffer(user_buf, count, ppos, \
+ data->buf, data->rlen); \
+}
+
+#define WIPHY_DEBUGFS_READ_FILE_OPS_MLD(name, bufsz) \
+ MLD_DEBUGFS_OPEN_WRAPPER(name, bufsz, struct iwl_mld) \
+ WIPHY_DEBUGFS_READ_WRAPPER_MLD(name) \
+ static const struct file_operations iwl_dbgfs_##name##_ops = { \
+ .read = __iwl_dbgfs_##name##_read, \
+ .open = _iwl_dbgfs_##name##_open, \
+ .llseek = generic_file_llseek, \
+ .release = _iwl_dbgfs_release, \
+ }
+
+#define WIPHY_DEBUGFS_WRITE_FILE_OPS_MLD(name, bufsz) \
+ MLD_DEBUGFS_OPEN_WRAPPER(name, bufsz, struct iwl_mld) \
+ WIPHY_DEBUGFS_WRITE_WRAPPER_MLD(name) \
+ static const struct file_operations iwl_dbgfs_##name##_ops = { \
+ .write = __iwl_dbgfs_##name##_write, \
+ .open = _iwl_dbgfs_##name##_open, \
+ .llseek = generic_file_llseek, \
+ .release = _iwl_dbgfs_release, \
+ }
+
+#define WIPHY_DEBUGFS_READ_WRITE_FILE_OPS_MLD(name, bufsz) \
+ MLD_DEBUGFS_OPEN_WRAPPER(name, bufsz, struct iwl_mld) \
+ WIPHY_DEBUGFS_WRITE_WRAPPER_MLD(name) \
+ WIPHY_DEBUGFS_READ_WRAPPER_MLD(name) \
+ static const struct file_operations iwl_dbgfs_##name##_ops = { \
+ .write = __iwl_dbgfs_##name##_write, \
+ .read = __iwl_dbgfs_##name##_read, \
+ .open = _iwl_dbgfs_##name##_open, \
+ .llseek = generic_file_llseek, \
+ .release = _iwl_dbgfs_release, \
+ }
+
+#define WIPHY_DEBUGFS_WRITE_WRAPPER_IEEE80211(name, bufsz, objtype) \
+WIPHY_DEBUGFS_WRITE_HANDLER_WRAPPER(name) \
+static ssize_t _iwl_dbgfs_##name##_write(struct file *file, \
+ const char __user *user_buf, \
+ size_t count, loff_t *ppos) \
+{ \
+ struct dbgfs_##name##_data *data = file->private_data; \
+ struct ieee80211_##objtype *arg = data->arg; \
+ struct iwl_mld *mld = iwl_mld_from_##objtype(arg); \
+ char buf[bufsz] = {}; \
+ \
+ return wiphy_locked_debugfs_write(mld->wiphy, file, \
+ buf, sizeof(buf), \
+ user_buf, count, \
+ iwl_dbgfs_##name##_write_handler, \
+ arg); \
+}
+
+#define IEEE80211_WIPHY_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, objtype) \
+ MLD_DEBUGFS_OPEN_WRAPPER(name, bufsz, struct ieee80211_##objtype) \
+ WIPHY_DEBUGFS_WRITE_WRAPPER_IEEE80211(name, bufsz, objtype) \
+ MLD_DEBUGFS_READ_WRAPPER(name) \
+ static const struct file_operations iwl_dbgfs_##name##_ops = { \
+ .write = _iwl_dbgfs_##name##_write, \
+ .read = _iwl_dbgfs_##name##_read, \
+ .open = _iwl_dbgfs_##name##_open, \
+ .llseek = generic_file_llseek, \
+ .release = _iwl_dbgfs_release, \
+ }
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-25 17:38:40 +0000