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iwlwifi: mvm: add some debugging to quota allocation

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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@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Johannes Berg 2014-08-04 16:39:54 +02:00 • committed by Emmanuel Grumbach
parent 2ce89cd6df
commit a43ad46a45
2 changed files with 14 additions and 0 deletions
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2
drivers/net/wireless/iwlwifi/iwl-debug.h
View file

@ -145,6 +145,7 @@ do { \
#define IWL_DL_HCMD 0x00000004 #define IWL_DL_HCMD 0x00000004
#define IWL_DL_STATE 0x00000008 #define IWL_DL_STATE 0x00000008
/* 0x000000F0 - 0x00000010 */ /* 0x000000F0 - 0x00000010 */
#define IWL_DL_QUOTA 0x00000010
#define IWL_DL_TE 0x00000020 #define IWL_DL_TE 0x00000020
#define IWL_DL_EEPROM 0x00000040 #define IWL_DL_EEPROM 0x00000040
#define IWL_DL_RADIO 0x00000080 #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_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_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_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_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_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) #define IWL_DEBUG_CALIB(p, f, a...) IWL_DEBUG(p, IWL_DL_CALIB, f, ## a)

12
drivers/net/wireless/iwlwifi/mvm/quota.c
View file

@ -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 - mvm->noa_duration);
quota /= beacon_int; 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); cmd->quotas[i].quota = cpu_to_le32(quota);
} }
#endif #endif
@ -222,6 +225,9 @@ int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
quota = (QUOTA_100 - QUOTA_LOWLAT_MIN) / n_non_lowlat; quota = (QUOTA_100 - QUOTA_LOWLAT_MIN) / n_non_lowlat;
quota_rem = QUOTA_100 - n_non_lowlat * quota - quota_rem = QUOTA_100 - n_non_lowlat * quota -
QUOTA_LOWLAT_MIN; 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) { } else if (num_active_macs) {
/* /*
* There are 0 or more than 1 low latency bindings, or all the * 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 = QUOTA_100 / num_active_macs;
quota_rem = 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 { } else {
/* values don't really matter - won't be used */ /* values don't really matter - won't be used */
quota = 0; quota = 0;
@ -271,6 +280,9 @@ int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
for (i = 0; i < MAX_BINDINGS; i++) { for (i = 0; i < MAX_BINDINGS; i++) {
if (le32_to_cpu(cmd.quotas[i].quota) != 0) { if (le32_to_cpu(cmd.quotas[i].quota) != 0) {
le32_add_cpu(&cmd.quotas[i].quota, quota_rem); 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; break;
} }
} }