diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2011-09-29 18:04:29 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-09-30 23:57:12 +0400 |
| commit | 948d887dec1042a7d78ae311908113e26502062f (patch) | |
| tree | e4240d0f45c0200d3625693bd6d543d243859d0a /net/mac80211/debugfs_sta.c | |
| parent | 60750397122fe0fb81a6e52fd790b3f749b6e010 (diff) | |
| download | linux-948d887dec1042a7d78ae311908113e26502062f.tar.xz | |
mac80211: split PS buffers into ACs
For uAPSD support we'll need to have per-AC PS
buffers. As this is a major undertaking, split
the buffers before really adding support for
uAPSD. This already makes some reference to the
uapsd_queues variable, but for now that will
never be non-zero.
Since book-keeping is complicated, also change
the logic for keeping a maximum of frames only
and allow 64 frames per AC (up from 128 for a
station).
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/debugfs_sta.c')
| -rw-r--r-- | net/mac80211/debugfs_sta.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index a01d2137fddc..20ec2b0cb3c1 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -78,8 +78,14 @@ static ssize_t sta_num_ps_buf_frames_read(struct file *file, size_t count, loff_t *ppos) { struct sta_info *sta = file->private_data; - return mac80211_format_buffer(userbuf, count, ppos, "%u\n", - skb_queue_len(&sta->ps_tx_buf)); + char buf[17*IEEE80211_NUM_ACS], *p = buf; + int ac; + + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) + p += scnprintf(p, sizeof(buf)+buf-p, "AC%d: %d\n", ac, + skb_queue_len(&sta->ps_tx_buf[ac]) + + skb_queue_len(&sta->tx_filtered[ac])); + return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); } STA_OPS(num_ps_buf_frames); |