1 files changed, 22 insertions, 2 deletions

diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 0c1c360a85ca..9ff7538b7595 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -350,7 +350,8 @@ static void ehea_refill_rq1(struct ehea_port_res *pr, int index, int nr_of_wqes)
         pr->rq1_skba.os_skbs = 0;
 
         if (unlikely(test_bit(__EHEA_STOP_XFER, &ehea_driver_flags))) {
-                pr->rq1_skba.index = index;
+                if (nr_of_wqes > 0)
+                        pr->rq1_skba.index = index;
                 pr->rq1_skba.os_skbs = fill_wqes;
                 return;
         }
@@ -1465,7 +1466,9 @@ static int ehea_init_port_res(struct ehea_port *port, struct ehea_port_res *pr,
                           init_attr->act_nr_rwqes_rq2,
                           init_attr->act_nr_rwqes_rq3);
 
-        ret = ehea_init_q_skba(&pr->sq_skba, init_attr->act_nr_send_wqes + 1);
+        pr->sq_skba_size = init_attr->act_nr_send_wqes + 1;
+
+        ret = ehea_init_q_skba(&pr->sq_skba, pr->sq_skba_size);
         ret |= ehea_init_q_skba(&pr->rq1_skba, init_attr->act_nr_rwqes_rq1 + 1);
         ret |= ehea_init_q_skba(&pr->rq2_skba, init_attr->act_nr_rwqes_rq2 + 1);
         ret |= ehea_init_q_skba(&pr->rq3_skba, init_attr->act_nr_rwqes_rq3 + 1);
@@ -2622,6 +2625,22 @@ void ehea_purge_sq(struct ehea_qp *orig_qp)
         }
 }
 
+void ehea_flush_sq(struct ehea_port *port)
+{
+        int i;
+
+        for (i = 0; i < port->num_def_qps + port->num_add_tx_qps; i++) {
+                struct ehea_port_res *pr = &port->port_res[i];
+                int swqe_max = pr->sq_skba_size - 2 - pr->swqe_ll_count;
+                int k = 0;
+                while (atomic_read(&pr->swqe_avail) < swqe_max) {
+                        msleep(5);
+                        if (++k == 20)
+                                break;
+                }
+        }
+}
+
 int ehea_stop_qps(struct net_device *dev)
 {
         struct ehea_port *port = netdev_priv(dev);
@@ -2849,6 +2868,7 @@ static void ehea_rereg_mrs(struct work_struct *work)
                                 if (dev->flags & IFF_UP) {
                                         mutex_lock(&port->port_lock);
                                         netif_stop_queue(dev);
+                                        ehea_flush_sq(port);
                                         ret = ehea_stop_qps(dev);
                                         if (ret) {
                                                 mutex_unlock(&port->port_lock);