[Midnightbsd-cvs] src [8580] trunk/sys/dev/cxgbe: must holde a write lock on teht able while allocating an L2 entry.

[laffer1 at midnightbsd.org]

Revision: 8580
          http://svnweb.midnightbsd.org/src/?rev=8580
Author:   laffer1
Date:     2016-09-19 12:17:11 -0400 (Mon, 19 Sep 2016)
Log Message:
-----------
must holde a write lock on teht able while allocating an L2 entry. Add support for T440-LP-CR card in cxgbe(4)

Modified Paths:
--------------
    trunk/sys/dev/cxgbe/t4_l2t.c
    trunk/sys/dev/cxgbe/t4_main.c

Modified: trunk/sys/dev/cxgbe/t4_l2t.c
===================================================================
--- trunk/sys/dev/cxgbe/t4_l2t.c	2016-09-19 16:15:37 UTC (rev 8579)
+++ trunk/sys/dev/cxgbe/t4_l2t.c	2016-09-19 16:17:11 UTC (rev 8580)
@@ -149,7 +149,7 @@
 {
 	struct l2t_entry *e;
 
-	rw_rlock(&d->lock);
+	rw_wlock(&d->lock);
 	e = t4_alloc_l2e(d);
 	if (e) {
 		mtx_lock(&e->lock);          /* avoid race with t4_l2t_free */
@@ -157,7 +157,7 @@
 		atomic_store_rel_int(&e->refcnt, 1);
 		mtx_unlock(&e->lock);
 	}
-	rw_runlock(&d->lock);
+	rw_wunlock(&d->lock);
 	return e;
 }
 

Modified: trunk/sys/dev/cxgbe/t4_main.c
===================================================================
--- trunk/sys/dev/cxgbe/t4_main.c	2016-09-19 16:15:37 UTC (rev 8579)
+++ trunk/sys/dev/cxgbe/t4_main.c	2016-09-19 16:17:11 UTC (rev 8580)
@@ -371,6 +371,7 @@
 	{0x4408, "Chelsio T420-CX"},
 	{0x4409, "Chelsio T420-BT"},
 	{0x440a, "Chelsio T404-BT"},
+	{0x440e, "Chelsio T440-LP-CR"},
 };
 
 #ifdef TCP_OFFLOAD