From: Johannes Berg <johannes.berg@xxxxxxxxx>
In order to follow more easily what's going on, add some
debug statements to the quota allocation algorithm.
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-debug.h | 2 ++
drivers/net/wireless/iwlwifi/mvm/quota.c | 12 ++++++++++++
2 files changed, 14 insertions(+)
diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h
index 2950835..0a70bcd 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debug.h
+++ b/drivers/net/wireless/iwlwifi/iwl-debug.h
@@ -145,6 +145,7 @@ do { \
#define IWL_DL_HCMD 0x00000004
#define IWL_DL_STATE 0x00000008
/* 0x000000F0 - 0x00000010 */
+#define IWL_DL_QUOTA 0x00000010
#define IWL_DL_TE 0x00000020
#define IWL_DL_EEPROM 0x00000040
#define IWL_DL_RADIO 0x00000080
@@ -189,6 +190,7 @@ do { \
#define IWL_DEBUG_LED(p, f, a...) IWL_DEBUG(p, IWL_DL_LED, f, ## a)
#define IWL_DEBUG_WEP(p, f, a...) IWL_DEBUG(p, IWL_DL_WEP, f, ## a)
#define IWL_DEBUG_HC(p, f, a...) IWL_DEBUG(p, IWL_DL_HCMD, f, ## a)
+#define IWL_DEBUG_QUOTA(p, f, a...) IWL_DEBUG(p, IWL_DL_QUOTA, f, ## a)
#define IWL_DEBUG_TE(p, f, a...) IWL_DEBUG(p, IWL_DL_TE, f, ## a)
#define IWL_DEBUG_EEPROM(d, f, a...) IWL_DEBUG_DEV(d, IWL_DL_EEPROM, f, ## a)
#define IWL_DEBUG_CALIB(p, f, a...) IWL_DEBUG(p, IWL_DL_CALIB, f, ## a)
diff --git a/drivers/net/wireless/iwlwifi/mvm/quota.c b/drivers/net/wireless/iwlwifi/mvm/quota.c
index 4e20b3c..300639c 100644
--- a/drivers/net/wireless/iwlwifi/mvm/quota.c
+++ b/drivers/net/wireless/iwlwifi/mvm/quota.c
@@ -161,6 +161,9 @@ static void iwl_mvm_adjust_quota_for_noa(struct iwl_mvm *mvm,
quota *= (beacon_int - mvm->noa_duration);
quota /= beacon_int;
+ IWL_DEBUG_QUOTA(mvm, "quota: adjust for NoA from %d to %d\n",
+ le32_to_cpu(cmd->quotas[i].quota), quota);
+
cmd->quotas[i].quota = cpu_to_le32(quota);
}
#endif
@@ -222,6 +225,9 @@ int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
quota = (QUOTA_100 - QUOTA_LOWLAT_MIN) / n_non_lowlat;
quota_rem = QUOTA_100 - n_non_lowlat * quota -
QUOTA_LOWLAT_MIN;
+ IWL_DEBUG_QUOTA(mvm,
+ "quota: low-latency binding active, remaining quota per other binding: %d\n",
+ quota);
} else if (num_active_macs) {
/*
* There are 0 or more than 1 low latency bindings, or all the
@@ -230,6 +236,9 @@ int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
*/
quota = QUOTA_100 / num_active_macs;
quota_rem = QUOTA_100 % num_active_macs;
+ IWL_DEBUG_QUOTA(mvm,
+ "quota: splitting evenly per binding: %d\n",
+ quota);
} else {
/* values don't really matter - won't be used */
quota = 0;
@@ -271,6 +280,9 @@ int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
for (i = 0; i < MAX_BINDINGS; i++) {
if (le32_to_cpu(cmd.quotas[i].quota) != 0) {
le32_add_cpu(&cmd.quotas[i].quota, quota_rem);
+ IWL_DEBUG_QUOTA(mvm,
+ "quota: giving remainder of %d to binding %d\n",
+ quota_rem, i);
break;
}
}
--
1.9.1
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