iwlwifi: mvm: rs: print single stream params via debugfs

Add this to the info printed when reading rate_scale_table.
Useful for debugging.

Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c
index 43f807f0c7310794c41d8f2e10ee708d86d7b60b..6578498dd5afde7ee13915f6e954cbfb84a3239d 100644 (file)
--- a/drivers/net/wireless/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.c
@@ -3323,6 +3323,7 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
        struct iwl_mvm *mvm;
        struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
        struct rs_rate *rate = &tbl->rate;
+       u32 ss_params;
        mvm = lq_sta->pers.drv;
        buff = kmalloc(2048, GFP_KERNEL);
        if (!buff)
@@ -3369,6 +3370,16 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
                        lq_sta->lq.agg_frame_cnt_limit);
 
        desc += sprintf(buff+desc, "reduced tpc=%d\n", lq_sta->lq.reduced_tpc);
+       ss_params = le32_to_cpu(lq_sta->lq.ss_params);
+       desc += sprintf(buff+desc, "single stream params: %s%s%s%s\n",
+                       (ss_params & LQ_SS_PARAMS_VALID) ?
+                       "VALID," : "INVALID",
+                       (ss_params & LQ_SS_BFER_ALLOWED) ?
+                       "BFER," : "",
+                       (ss_params & LQ_SS_STBC_1SS_ALLOWED) ?
+                       "STBC," : "",
+                       (ss_params & LQ_SS_FORCE) ?
+                       "FORCE" : "");
        desc += sprintf(buff+desc,
                        "Start idx [0]=0x%x [1]=0x%x [2]=0x%x [3]=0x%x\n",
                        lq_sta->lq.initial_rate_index[0],