From: Steve Wise <swise@opengridcomputing.com>
Date: Thu, 21 Jun 2007 23:17:57 +0000 (-0500)
Subject: RDMA/cxgb3: Don't post TID_RELEASE message
X-Git-Tag: v2.6.23-rc1~1085^2~39
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=96d0e4931e264012f57a2ae8f7c4697bfa55386a;p=profile%2Fivi%2Fkernel-x86-ivi.git

RDMA/cxgb3: Don't post TID_RELEASE message

The LLD does this for us in cxgb3_remove_tid().

Also fixed active open failure cases where we also shouldn't be
releasing the TID.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---

diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c
index 4d7c277..228721f 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c
@@ -254,8 +254,6 @@ static void release_ep_resources(struct iwch_ep *ep)
 	cxgb3_remove_tid(ep->com.tdev, (void *)ep, ep->hwtid);
 	dst_release(ep->dst);
 	l2t_release(L2DATA(ep->com.tdev), ep->l2t);
-	if (ep->com.tdev->type == T3B)
-		release_tid(ep->com.tdev, ep->hwtid, NULL);
 	put_ep(&ep->com);
 }
 
@@ -1103,6 +1101,15 @@ static int abort_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
 	return CPL_RET_BUF_DONE;
 }
 
+/*
+ * Return whether a failed active open has allocated a TID
+ */
+static inline int act_open_has_tid(int status)
+{
+	return status != CPL_ERR_TCAM_FULL && status != CPL_ERR_CONN_EXIST &&
+	       status != CPL_ERR_ARP_MISS;
+}
+
 static int act_open_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
 {
 	struct iwch_ep *ep = ctx;
@@ -1112,7 +1119,7 @@ static int act_open_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
 	     status2errno(rpl->status));
 	connect_reply_upcall(ep, status2errno(rpl->status));
 	state_set(&ep->com, DEAD);
-	if (ep->com.tdev->type == T3B)
+	if (ep->com.tdev->type == T3B && act_open_has_tid(rpl->status))
 		release_tid(ep->com.tdev, GET_TID(rpl), NULL);
 	cxgb3_free_atid(ep->com.tdev, ep->atid);
 	dst_release(ep->dst);