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authorMiri Korenblit <miriam.rachel.korenblit@intel.com>2024-05-05 09:19:47 +0300
committerJohannes Berg <johannes.berg@intel.com>2024-05-06 17:33:23 +0300
commite5bf75dc46e16842a29903cecd22ae7b7a1cd4e4 (patch)
treedb6a6ed369e05225ebdc9f423918eec2f9593a06 /drivers/net/wireless/intel
parent2f33561ea8f98c9bbe99d09c4075fbdd648502bd (diff)
downloadlinux-e5bf75dc46e16842a29903cecd22ae7b7a1cd4e4.tar.xz
wifi: iwlwifi: mvm: add a debugfs for (un)blocking EMLSR
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>
Diffstat (limited to 'drivers/net/wireless/intel')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
index aad736b7354b..213de638f132 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
@@ -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)