diff options
| author | Felix Fietkau <nbd@nbd.name> | 2019-01-17 00:32:12 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2019-01-19 11:56:56 +0300 |
| commit | 77f7ffdc335de8541a2a40618781ed0b76cee9f7 (patch) | |
| tree | dfa578402b5831d3c5de1094295b02b216be334b /net/mac80211/rc80211_minstrel_ht_debugfs.c | |
| parent | a8d418d9ac25f85a9caf652a4b2d07ec790474ab (diff) | |
| download | linux-77f7ffdc335de8541a2a40618781ed0b76cee9f7.tar.xz | |
mac80211: minstrel_ht: add flag to indicate missing/inaccurate tx A-MPDU length
Some hardware (e.g. MediaTek MT7603) cannot report A-MPDU length in tx status
information. Add support for a flag to indicate that, to allow minstrel_ht
to use a fixed value in its internal calculation (which gives better results
than just defaulting to 1).
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/rc80211_minstrel_ht_debugfs.c')
| -rw-r--r-- | net/mac80211/rc80211_minstrel_ht_debugfs.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/net/mac80211/rc80211_minstrel_ht_debugfs.c b/net/mac80211/rc80211_minstrel_ht_debugfs.c index 57820a5f2c16..31641d0b0f5c 100644 --- a/net/mac80211/rc80211_minstrel_ht_debugfs.c +++ b/net/mac80211/rc80211_minstrel_ht_debugfs.c @@ -160,9 +160,10 @@ minstrel_ht_stats_open(struct inode *inode, struct file *file) "lookaround %d\n", max(0, (int) mi->total_packets - (int) mi->sample_packets), mi->sample_packets); - p += sprintf(p, "Average # of aggregated frames per A-MPDU: %d.%d\n", - MINSTREL_TRUNC(mi->avg_ampdu_len), - MINSTREL_TRUNC(mi->avg_ampdu_len * 10) % 10); + if (mi->avg_ampdu_len) + p += sprintf(p, "Average # of aggregated frames per A-MPDU: %d.%d\n", + MINSTREL_TRUNC(mi->avg_ampdu_len), + MINSTREL_TRUNC(mi->avg_ampdu_len * 10) % 10); ms->len = p - ms->buf; WARN_ON(ms->len + sizeof(*ms) > 32768); |