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wifi: iwlwifi: mld: Add support for WIPHY_DEBUGFS_READ_FILE_OPS_MLD macro

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Introduced the WIPHY_DEBUGFS_READ_FILE_OPS_MLD macro to enable reading
data from the driver while holding the wiphy lock.
This will enable read operations with wiphy locked.

Signed-off-by: Pagadala Yesu Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250313002008.b0ddb6b0a144.I1fab63f2c6f52fea61cc5d7b27775aed58adfd8d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Pagadala Yesu Anjaneyulu
2025-03-13 00:22:25 +02:00
committed by Johannes Berg
parent d4c6ca39d6
commit 4b8130a722
1 changed files with 44 additions and 0 deletions
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44
drivers/net/wireless/intel/iwlwifi/mld/debugfs.h
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@@ -121,6 +121,16 @@ static ssize_t __iwl_dbgfs_##name##_write(struct file *file, \
.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, \
@@ -147,6 +157,40 @@ static ssize_t __iwl_dbgfs_##name##_write(struct file *file, \
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) \