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wifi: iwlwifi: mvm: add a debugfs for (un)blocking EMLSR

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This is needed for testing purposes.

Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240505091420.eba2b6f0664c.I5f058e02abda11bf2eccfd2bcb59ca26bae87a3a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Miri Korenblit
2024-05-05 09:19:47 +03:00
committed by Johannes Berg
parent 2f33561ea8
commit e5bf75dc46
1 changed files with 29 additions and 0 deletions
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29
drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
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@@ -722,6 +722,33 @@ static ssize_t iwl_dbgfs_int_mlo_scan_write(struct ieee80211_vif *vif,
return ret ?: count;
}
static ssize_t iwl_dbgfs_block_esr_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 reason;
u8 block;
int ret;
ret = sscanf(buf, "%u %hhu", &reason, &block);
if (ret < 0)
return ret;
if (hweight16(reason) != 1 || !(reason & IWL_MVM_BLOCK_ESR_REASONS))
return -EINVAL;
mutex_lock(&mvm->mutex);
if (block)
iwl_mvm_block_esr(mvm, vif, reason,
iwl_mvm_get_primary_link(vif));
else
iwl_mvm_unblock_esr(mvm, vif, reason);
mutex_unlock(&mvm->mutex);
return 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) \
@@ -742,6 +769,7 @@ 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);
MVM_DEBUGFS_WRITE_FILE_OPS(block_esr, 32);
void iwl_mvm_vif_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
@@ -772,6 +800,7 @@ void iwl_mvm_vif_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
debugfs_create_bool("ftm_unprotected", 0200, mvmvif->dbgfs_dir,
&mvmvif->ftm_unprotected);
MVM_DEBUGFS_ADD_FILE_VIF(int_mlo_scan, mvmvif->dbgfs_dir, 0200);
MVM_DEBUGFS_ADD_FILE_VIF(block_esr, mvmvif->dbgfs_dir, 0600);
if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
mvmvif == mvm->bf_allowed_vif)