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From 3eaf814c51f85aaad0d181d27ff686ce35b31d6a Mon Sep 17 00:00:00 2001
From: Kuiying Wang <kuiying.wang@intel.com>
Date: Tue, 29 Oct 2019 11:28:29 +0800
Subject: [PATCH] Fix NCSI driver issue caused by host shutdown due to
overheated.
NCSI device cannot be recovered when host shutdown due to overheated.
Tested:
Heat host till shutdown due to overheated and then
run the ipmi command like power status
Signed-off-by: Kuiying Wang <kuiying.wang@intel.com>
---
net/ncsi/ncsi-manage.c | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)
diff --git a/net/ncsi/ncsi-manage.c b/net/ncsi/ncsi-manage.c
index 70fe02697544..4e16a0015f26 100644
--- a/net/ncsi/ncsi-manage.c
+++ b/net/ncsi/ncsi-manage.c
@@ -132,18 +132,15 @@ static void ncsi_channel_monitor(struct timer_list *t)
netdev_err(ndp->ndev.dev, "NCSI Channel %d timed out!\n",
nc->id);
ncsi_report_link(ndp, true);
- ndp->flags |= NCSI_DEV_RESHUFFLE;
ncsi_stop_channel_monitor(nc);
- ncm = &nc->modes[NCSI_MODE_LINK];
spin_lock_irqsave(&nc->lock, flags);
- nc->state = NCSI_CHANNEL_INVISIBLE;
- ncm->data[2] &= ~0x1;
+ nc->state = NCSI_CHANNEL_INACTIVE;
spin_unlock_irqrestore(&nc->lock, flags);
spin_lock_irqsave(&ndp->lock, flags);
- nc->state = NCSI_CHANNEL_ACTIVE;
+ ndp->flags |= NCSI_DEV_RESHUFFLE | NCSI_DEV_RESET;
list_add_tail_rcu(&nc->link, &ndp->channel_queue);
spin_unlock_irqrestore(&ndp->lock, flags);
ncsi_process_next_channel(ndp);
@@ -424,6 +421,7 @@ static void ncsi_request_timeout(struct timer_list *t)
{
struct ncsi_request *nr = from_timer(nr, t, timer);
struct ncsi_dev_priv *ndp = nr->ndp;
+ struct ncsi_dev *nd = &ndp->ndev;
struct ncsi_cmd_pkt *cmd;
struct ncsi_package *np;
struct ncsi_channel *nc;
@@ -438,6 +436,16 @@ static void ncsi_request_timeout(struct timer_list *t)
spin_unlock_irqrestore(&ndp->lock, flags);
return;
}
+ if (nd->state == ncsi_dev_state_suspend ||
+ nd->state == ncsi_dev_state_suspend_select ||
+ nd->state == ncsi_dev_state_suspend_gls ||
+ nd->state == ncsi_dev_state_suspend_dcnt ||
+ nd->state == ncsi_dev_state_suspend_dc ||
+ nd->state == ncsi_dev_state_suspend_deselect ||
+ nd->state == ncsi_dev_state_suspend_done) {
+ ndp->flags |= NCSI_DEV_RESET;
+ nd->state = ncsi_dev_state_suspend_done;
+ }
spin_unlock_irqrestore(&ndp->lock, flags);
if (nr->flags == NCSI_REQ_FLAG_NETLINK_DRIVEN) {
--
2.7.4
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