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Commit dd92b124 authored by Hariprasad Shenai's avatar Hariprasad Shenai Committed by David S. Miller
Browse files

iw_cxgb4: log detailed warnings for negative advice 



Signed-off-by: default avatarSteve Wise <swise@opengridcomputing.com>
Signed-off-by: default avatarHariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 822dd8a8

drivers/infiniband/hw/cxgb4/cm.c

+23 −6
Original line number Diff line number Diff line
@@ -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;

	}