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wifi: iwlwifi: mvm: Add debugfs entry for triggering internal MLO scan

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Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240319100755.3dd3e8c42c27.I9434dc641b837601c72f10684fbfad2c0fb31a99@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Ilan Peer 2024-03-19 10:10:14 +02:00 committed by Johannes Berg
parent 38b3998dfb
commit 414adede2d
1 changed files with 56 additions and 0 deletions
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56
drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
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@ -692,6 +692,60 @@ static ssize_t iwl_dbgfs_quota_min_read(struct file *file,
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t iwl_dbgfs_int_mlo_scan_write(struct ieee80211_vif *vif,
char *buf, size_t count,
loff_t *ppos)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm *mvm = mvmvif->mvm;
u32 action;
int ret;
if (!vif->cfg.assoc || !ieee80211_vif_is_mld(vif))
return -EINVAL;
if (kstrtou32(buf, 0, &action))
return -EINVAL;
mutex_lock(&mvm->mutex);
if (!action) {
ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_INT_MLO, false);
} else if (action == 1) {
struct ieee80211_channel *channels[IEEE80211_MLD_MAX_NUM_LINKS];
unsigned long usable_links = ieee80211_vif_usable_links(vif);
size_t n_channels = 0;
u8 link_id;
rcu_read_lock();
for_each_set_bit(link_id, &usable_links,
IEEE80211_MLD_MAX_NUM_LINKS) {
struct ieee80211_bss_conf *link_conf =
rcu_dereference(vif->link_conf[link_id]);
if (WARN_ON_ONCE(!link_conf))
continue;
channels[n_channels++] = link_conf->chanreq.oper.chan;
}
rcu_read_unlock();
if (n_channels)
ret = iwl_mvm_int_mlo_scan_start(mvm, vif, channels,
n_channels);
else
ret = -EINVAL;
} else {
ret = -EINVAL;
}
mutex_unlock(&mvm->mutex);
return ret ?: count;
}
#define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
_MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif)
#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
@ -711,6 +765,7 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(uapsd_misbehaving, 20);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(rx_phyinfo, 10);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(quota_min, 32);
MVM_DEBUGFS_READ_FILE_OPS(os_device_timediff);
MVM_DEBUGFS_WRITE_FILE_OPS(int_mlo_scan, 32);
void iwl_mvm_vif_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
@ -738,6 +793,7 @@ void iwl_mvm_vif_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
MVM_DEBUGFS_ADD_FILE_VIF(rx_phyinfo, mvmvif->dbgfs_dir, 0600);
MVM_DEBUGFS_ADD_FILE_VIF(quota_min, mvmvif->dbgfs_dir, 0600);
MVM_DEBUGFS_ADD_FILE_VIF(os_device_timediff, mvmvif->dbgfs_dir, 0400);
MVM_DEBUGFS_ADD_FILE_VIF(int_mlo_scan, mvmvif->dbgfs_dir, 0200);
if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
mvmvif == mvm->bf_allowed_vif)