UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

wil6210: track Tx queue state 

Provide both event (netif_tx_[stop|wake]) tracking via printk;
and state via debugfs 'info'

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vladimir Kondratiev 2014-06-16 19:37:23 +03:00 committed by John W. Linville
parent be299858d0
commit 55f8f68017
3 changed files with 24 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/net/wireless/ath/wil6210/debugfs.c
View File

@ -859,6 +859,7 @@ static int wil_info_debugfs_show(struct seq_file *s, void *data)
static ulong rxf_old, txf_old;
ulong rxf = ndev->stats.rx_packets;
ulong txf = ndev->stats.tx_packets;
unsigned int i;
/* >0 : AC; 0 : battery; <0 : error */
seq_printf(s, "AC powered : %d\n", is_ac);
@ -867,6 +868,21 @@ static int wil_info_debugfs_show(struct seq_file *s, void *data)
rxf_old = rxf;
txf_old = txf;
#define CHECK_QSTATE(x) (state & BIT(__QUEUE_STATE_ ## x)) ? \
" " __stringify(x) : ""
for (i = 0; i < ndev->num_tx_queues; i++) {
struct netdev_queue *txq = netdev_get_tx_queue(ndev, i);
unsigned long state = txq->state;
seq_printf(s, "Tx queue[%i] state : 0x%lx%s%s%s\n", i, state,
CHECK_QSTATE(DRV_XOFF),
CHECK_QSTATE(STACK_XOFF),
CHECK_QSTATE(FROZEN)
);
}
#undef CHECK_QSTATE
return 0;
}

2
drivers/net/wireless/ath/wil6210/main.c
View File

@ -473,6 +473,7 @@ void wil_link_on(struct wil6210_priv *wil)
wil_dbg_misc(wil, "%s()\n", __func__);
netif_carrier_on(ndev);
wil_dbg_misc(wil, "netif_tx_wake : link on\n");
netif_tx_wake_all_queues(ndev);
}
@ -483,6 +484,7 @@ void wil_link_off(struct wil6210_priv *wil)
wil_dbg_misc(wil, "%s()\n", __func__);
netif_tx_stop_all_queues(ndev);
wil_dbg_misc(wil, "netif_tx_stop : link off\n");
netif_carrier_off(ndev);
}

8
drivers/net/wireless/ath/wil6210/txrx.c
View File

@ -1038,8 +1038,10 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev)
rc = wil_tx_vring(wil, vring, skb);
/* do we still have enough room in the vring? */
if (wil_vring_avail_tx(vring) < wil_vring_wmark_low(vring))
if (wil_vring_avail_tx(vring) < wil_vring_wmark_low(vring)) {
netif_tx_stop_all_queues(wil_to_ndev(wil));
wil_dbg_txrx(wil, "netif_tx_stop : ring full\n");
}
switch (rc) {
case 0:
@ -1153,8 +1155,10 @@ int wil_tx_complete(struct wil6210_priv *wil, int ringid)
txdata->last_idle = get_cycles();
}
if (wil_vring_avail_tx(vring) > wil_vring_wmark_high(vring))
if (wil_vring_avail_tx(vring) > wil_vring_wmark_high(vring)) {
wil_dbg_txrx(wil, "netif_tx_wake : ring not full\n");
netif_tx_wake_all_queues(wil_to_ndev(wil));
}
return done;
}