summaryrefslogtreecommitdiffstats
path: root/drivers/net/ehea/ehea_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ehea/ehea_main.c')
-rw-r--r--drivers/net/ehea/ehea_main.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 0c1c360..9ff7538 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);
OpenPOWER on IntegriCloud