print used/available counters on debugfs;
print to dmesg when Tx vring becomes empty
This aids with performance investigation
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/wil6210/debugfs.c | 9 +++++++--
drivers/net/wireless/ath/wil6210/txrx.c | 4 ++++
2 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index 4fb3375..d90aa28 100644
--- a/drivers/net/wireless/ath/wil6210/debugfs.c
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -72,11 +72,16 @@ static int wil_vring_debugfs_show(struct seq_file *s, void *data)
if (vring->va) {
int cid = wil->vring2cid_tid[i][0];
int tid = wil->vring2cid_tid[i][1];
+ u32 swhead = vring->swhead;
+ u32 swtail = vring->swtail;
+ int used = (vring->size + swhead - swtail)
+ % vring->size;
+ int avail = vring->size - used - 1;
char name[10];
snprintf(name, sizeof(name), "tx_%2d", i);
- seq_printf(s, "\n%pM CID %d TID %d\n",
- wil->sta[cid].addr, cid, tid);
+ seq_printf(s, "\n%pM CID %d TID %d [%3d|%3d]\n",
+ wil->sta[cid].addr, cid, tid, used, avail);
wil_print_vring(s, wil, name, vring, '_', 'H');
}
}
diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c
index 0784ef3..c08d041 100644
--- a/drivers/net/wireless/ath/wil6210/txrx.c
+++ b/drivers/net/wireless/ath/wil6210/txrx.c
@@ -1132,6 +1132,10 @@ int wil_tx_complete(struct wil6210_priv *wil, int ringid)
done++;
}
}
+
+ if (wil_vring_is_empty(vring))
+ wil_dbg_txrx(wil, "Ring[%2d] empty\n", ringid);
+
if (wil_vring_avail_tx(vring) > wil_vring_wmark_high(vring))
netif_tx_wake_all_queues(wil_to_ndev(wil));
--
1.9.1
--
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