From: Tim Sell <Timothy.Sell@xxxxxxxxxx>
Logic to check for failures of visorchannel_signalinsert() and
visorchannel_signalremove() were added, and a new sent_post_failed counter
tracks the number of times we failed to post a rcv buffer to the IO
partition.
Signed-off-by: Tim Sell <Timothy.Sell@xxxxxxxxxx>
Signed-off-by: Benjamin Romer <benjamin.romer@xxxxxxxxxx>
---
drivers/staging/unisys/visornic/visornic_main.c | 21 ++++++++++++++-------
1 file changed, 14 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/unisys/visornic/visornic_main.c b/drivers/staging/unisys/visornic/visornic_main.c
index 7541c49..baa137e 100644
--- a/drivers/staging/unisys/visornic/visornic_main.c
+++ b/drivers/staging/unisys/visornic/visornic_main.c
@@ -102,6 +102,7 @@ struct chanstat {
unsigned long sent_enbdis;
unsigned long sent_promisc;
unsigned long sent_post;
+ unsigned long sent_post_failed;
unsigned long sent_xmit;
unsigned long reject_count;
unsigned long extra_rcvbufs_sent;
@@ -478,11 +479,14 @@ post_skb(struct uiscmdrsp *cmdrsp,
if ((cmdrsp->net.rcvpost.frag.pi_off + skb->len) <= PI_PAGE_SIZE) {
cmdrsp->net.type = NET_RCV_POST;
cmdrsp->cmdtype = CMD_NET_TYPE;
- visorchannel_signalinsert(devdata->dev->visorchannel,
+ if (visorchannel_signalinsert(devdata->dev->visorchannel,
IOCHAN_TO_IOPART,
- cmdrsp);
- atomic_inc(&devdata->num_rcvbuf_in_iovm);
- devdata->chstat.sent_post++;
+ cmdrsp)) {
+ atomic_inc(&devdata->num_rcvbuf_in_iovm);
+ devdata->chstat.sent_post++;
+ } else {
+ devdata->chstat.sent_post_failed++;
+ }
}
}
@@ -504,10 +508,10 @@ send_enbdis(struct net_device *netdev, int state,
devdata->cmdrsp_rcv->net.enbdis.context = netdev;
devdata->cmdrsp_rcv->net.type = NET_RCV_ENBDIS;
devdata->cmdrsp_rcv->cmdtype = CMD_NET_TYPE;
- visorchannel_signalinsert(devdata->dev->visorchannel,
+ if (visorchannel_signalinsert(devdata->dev->visorchannel,
IOCHAN_TO_IOPART,
- devdata->cmdrsp_rcv);
- devdata->chstat.sent_enbdis++;
+ devdata->cmdrsp_rcv))
+ devdata->chstat.sent_enbdis++;
}
/**
@@ -1490,6 +1494,9 @@ static ssize_t info_debugfs_read(struct file *file, char __user *buf,
" chstat.sent_post = %lu\n",
devdata->chstat.sent_post);
str_pos += scnprintf(vbuf + str_pos, len - str_pos,
+ " chstat.sent_post_failed = %lu\n",
+ devdata->chstat.sent_post_failed);
+ str_pos += scnprintf(vbuf + str_pos, len - str_pos,
" chstat.sent_xmit = %lu\n",
devdata->chstat.sent_xmit);
str_pos += scnprintf(vbuf + str_pos, len - str_pos,
--
2.1.4
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