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wifi: mac80211: make sta airtime deficit field s32 instead of s64 

32 bit is more than enough range for the airtime deficit

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Link: https://lore.kernel.org/r/20220625212411.36675-2-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Felix Fietkau 2022-06-25 23:24:06 +02:00 committed by Johannes Berg
parent 942741dabc
commit 445452d438
3 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
net/mac80211/debugfs_sta.c
View File

@ -202,7 +202,7 @@ static ssize_t sta_airtime_read(struct file *file, char __user *userbuf,
size_t bufsz = 400;
char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf;
u64 rx_airtime = 0, tx_airtime = 0;
s64 deficit[IEEE80211_NUM_ACS];
s32 deficit[IEEE80211_NUM_ACS];
ssize_t rv;
int ac;
@ -219,7 +219,7 @@ static ssize_t sta_airtime_read(struct file *file, char __user *userbuf,
p += scnprintf(p, bufsz + buf - p,
"RX: %llu us\nTX: %llu us\nWeight: %u\n"
"Deficit: VO: %lld us VI: %lld us BE: %lld us BK: %lld us\n",
"Deficit: VO: %d us VI: %d us BE: %d us BK: %d us\n",
rx_airtime, tx_airtime, sta->airtime_weight,
deficit[0], deficit[1], deficit[2], deficit[3]);

2
net/mac80211/sta_info.h
View File

@ -138,7 +138,7 @@ enum ieee80211_agg_stop_reason {
struct airtime_info {
u64 rx_airtime;
u64 tx_airtime;
s64 deficit;
s32 deficit;
atomic_t aql_tx_pending; /* Estimated airtime for frames pending */
u32 aql_limit_low;
u32 aql_limit_high;

2
net/mac80211/tx.c
View File

@ -3830,7 +3830,7 @@ struct ieee80211_txq *ieee80211_next_txq(struct ieee80211_hw *hw, u8 ac)
struct sta_info *sta = container_of(txqi->txq.sta,
struct sta_info, sta);
bool aql_check = ieee80211_txq_airtime_check(hw, &txqi->txq);
s64 deficit = sta->airtime[txqi->txq.ac].deficit;
s32 deficit = sta->airtime[txqi->txq.ac].deficit;
if (aql_check)
found_eligible_txq = true;