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iw_cxgb4: log detailed warnings for negative advice 

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hariprasad Shenai 2014-07-21 20:55:13 +05:30 committed by David S. Miller
parent 822dd8a85c
commit dd92b12453
1 changed files with 23 additions and 6 deletions
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29
drivers/infiniband/hw/cxgb4/cm.c
View File

@ -1813,6 +1813,20 @@ static int is_neg_adv(unsigned int status)
status == CPL_ERR_KEEPALV_NEG_ADVICE;
}
static char *neg_adv_str(unsigned int status)
{
switch (status) {
case CPL_ERR_RTX_NEG_ADVICE:
return "Retransmit timeout";
case CPL_ERR_PERSIST_NEG_ADVICE:
return "Persist timeout";
case CPL_ERR_KEEPALV_NEG_ADVICE:
return "Keepalive timeout";
default:
return "Unknown";
}
}
static void set_tcp_window(struct c4iw_ep *ep, struct port_info *pi)
{
ep->snd_win = snd_win;
@ -2011,8 +2025,9 @@ static int act_open_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
status, status2errno(status));
if (is_neg_adv(status)) {
printk(KERN_WARNING MOD "Connection problems for atid %u\n",
atid);
dev_warn(&dev->rdev.lldi.pdev->dev,
"Connection problems for atid %u status %u (%s)\n",
atid, status, neg_adv_str(status));
return 0;
}
@ -2488,8 +2503,9 @@ static int peer_abort(struct c4iw_dev *dev, struct sk_buff *skb)
ep = lookup_tid(t, tid);
if (is_neg_adv(req->status)) {
PDBG("%s neg_adv_abort ep %p tid %u\n", __func__, ep,
ep->hwtid);
dev_warn(&dev->rdev.lldi.pdev->dev,
"Negative advice on abort - tid %u status %d (%s)\n",
ep->hwtid, req->status, neg_adv_str(req->status));
return 0;
}
PDBG("%s ep %p tid %u state %u\n", __func__, ep, ep->hwtid,
@ -3894,8 +3910,9 @@ static int peer_abort_intr(struct c4iw_dev *dev, struct sk_buff *skb)
return 0;
}
if (is_neg_adv(req->status)) {
PDBG("%s neg_adv_abort ep %p tid %u\n", __func__, ep,
ep->hwtid);
dev_warn(&dev->rdev.lldi.pdev->dev,
"Negative advice on abort - tid %u status %d (%s)\n",
ep->hwtid, req->status, neg_adv_str(req->status));
kfree_skb(skb);
return 0;
}