[PATCH] scsi: cxgb4i: add support for IEEE_8021QAZ_APP_SEL_STREAM selector

[Varun Prakash]

IEEE_8021QAZ_APP_SEL_STREAM is a valid selector
for iSCSI connections, so add code to use
IEEE_8021QAZ_APP_SEL_STREAM selector to get priority
mask.

Signed-off-by: Varun Prakash <va...@chelsio.com>
---
 drivers/scsi/cxgbi/cxgb4i/cxgb4i.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c 
b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
index 124f334..0e767e6 100644
--- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
+++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
@@ -1665,8 +1665,12 @@ static u8 get_iscsi_dcb_priority(struct net_device *ndev)
                return 0;
 
        if (caps & DCB_CAP_DCBX_VER_IEEE) {
-               iscsi_dcb_app.selector = IEEE_8021QAZ_APP_SEL_ANY;
+               iscsi_dcb_app.selector = IEEE_8021QAZ_APP_SEL_STREAM;
                rv = dcb_ieee_getapp_mask(ndev, &iscsi_dcb_app);
+               if (!rv) {
+                       iscsi_dcb_app.selector = IEEE_8021QAZ_APP_SEL_ANY;
+                       rv = dcb_ieee_getapp_mask(ndev, &iscsi_dcb_app);
+               }
        } else if (caps & DCB_CAP_DCBX_VER_CEE) {
                iscsi_dcb_app.selector = DCB_APP_IDTYPE_PORTNUM;
                rv = dcb_getapp(ndev, &iscsi_dcb_app);
@@ -2251,7 +2255,8 @@ cxgb4_dcb_change_notify(struct notifier_block *self, 
unsigned long val,
        u8 priority;
 
        if (iscsi_app->dcbx & DCB_CAP_DCBX_VER_IEEE) {
-               if (iscsi_app->app.selector != IEEE_8021QAZ_APP_SEL_ANY)
+               if ((iscsi_app->app.selector != IEEE_8021QAZ_APP_SEL_STREAM) &&
+                   (iscsi_app->app.selector != IEEE_8021QAZ_APP_SEL_ANY))
                        return NOTIFY_DONE;
 
                priority = iscsi_app->app.priority;
-- 
2.0.2