From 4c2d48d5c4449789018024c3d9f402f5108e9a68 Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@redhat.com>
Date: Mon, 31 Mar 2014 16:21:49 +0200
Subject: [PATCH] fcoe: workaround fcoe timing issues

---
 modules.d/95fcoe/fcoe-genrules.sh |  2 +-
 modules.d/95fcoe/fcoe-up.sh       | 23 ++++++++++++++++++++---
 2 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/modules.d/95fcoe/fcoe-genrules.sh b/modules.d/95fcoe/fcoe-genrules.sh
index 80894ed..fa3af6d 100755
--- a/modules.d/95fcoe/fcoe-genrules.sh
+++ b/modules.d/95fcoe/fcoe-genrules.sh
@@ -13,4 +13,4 @@
     else
         printf 'ACTION=="add", SUBSYSTEM=="net", NAME=="%s", RUN+="/sbin/initqueue --onetime --unique --name fcoe-up-$env{INTERFACE} /sbin/fcoe-up $env{INTERFACE} %s"\n' "$fcoe_interface" "$fcoe_dcb"
     fi
-} > /etc/udev/rules.d/92-fcoe.rules
+} >> /etc/udev/rules.d/92-fcoe.rules
diff --git a/modules.d/95fcoe/fcoe-up.sh b/modules.d/95fcoe/fcoe-up.sh
index 60642cf..edbfcc8 100755
--- a/modules.d/95fcoe/fcoe-up.sh
+++ b/modules.d/95fcoe/fcoe-up.sh
@@ -39,10 +39,27 @@ if [ "$dcb" = "dcb" ]; then
         sleep 1
         i=$(($i+1))
     done
-    dcbtool sc "$netif" dcb on
-    sleep 1
-    dcbtool sc "$netif" app:fcoe e:1 a:1 w:1
+
+    # on some systems lldpad needs some time
+    # sleep until we find a better solution
+    sleep 30
+
+    while [ $i -lt 60 ]; do
+        dcbtool sc "$netif" dcb on && break
+        info "Retrying to turn dcb on"
+        sleep 1
+        i=$(($i+1))
+    done
+
+    while [ $i -lt 60 ]; do
+        dcbtool sc "$netif" app:fcoe e:1 a:1 w:1 && break
+        info "Retrying to turn fcoe on"
+        sleep 1
+        i=$(($i+1))
+    done
+
     sleep 1
+
     fipvlan "$netif" -c -s
 elif [ "$netdriver" = "bnx2x" ]; then
     # If driver is bnx2x, do not use /sys/module/fcoe/parameters/create but fipvlan