Currently, we are using u32 for tx_bytes in fq_tin. If the throughput stays more than 1.2Gbps, tx_bytes statistics overflow in about 1 min. In order to allow us to trace the tx_bytes statistics for longer time in high throughput, change its type from u32 to u64. Signed-off-by: Yibo Zhao <yiboz@xxxxxxxxxxxxxx> --- include/net/fq.h | 2 +- net/mac80211/debugfs_netdev.c | 2 +- net/mac80211/debugfs_sta.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/include/net/fq.h b/include/net/fq.h index ac944a6..70f8b12 100644 --- a/include/net/fq.h +++ b/include/net/fq.h @@ -53,7 +53,7 @@ struct fq_tin { u32 overlimit; u32 collisions; u32 flows; - u32 tx_bytes; + u64 tx_bytes; u32 tx_packets; }; diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index cff0fb3..8d66f41 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -499,7 +499,7 @@ static ssize_t ieee80211_if_fmt_aqm( len = scnprintf(buf, buflen, "ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets\n" - "%u %u %u %u %u %u %u %u %u %u\n", + "%u %u %u %u %u %u %u %u %llu %u\n", txqi->txq.ac, txqi->tin.backlog_bytes, txqi->tin.backlog_packets, diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index 3aa618d..e54a6d6 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -168,7 +168,7 @@ static ssize_t sta_aqm_read(struct file *file, char __user *userbuf, continue; txqi = to_txq_info(sta->sta.txq[i]); p += scnprintf(p, bufsz+buf-p, - "%d %d %u %u %u %u %u %u %u %u %u 0x%lx(%s%s%s)\n", + "%d %d %u %u %u %u %u %u %u %llu %u 0x%lx(%s%s%s)\n", txqi->txq.tid, txqi->txq.ac, txqi->tin.backlog_bytes, -- 1.9.1