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authorRahul Lakkireddy <rahul.lakkireddy@chelsio.com>2020-04-01 01:17:01 +0530
committerDavid S. Miller <davem@davemloft.net>2020-04-01 11:16:43 -0700
commitcef8dac96bc108633f5090bb3a9988d734dc1ee0 (patch)
tree8697579b477503bc606bd8dcfd09ce0645a5a3da /drivers/net/ethernet/chelsio/cxgb4
parent41aa8561ca3fc5748391f08cc5f3e561923da52c (diff)
cxgb4: free MQPRIO resources in shutdown path
Perform missing MQPRIO resource cleanup in PCI shutdown path. Also, fix MQPRIO MSIX bitmap leak in resource cleanup. Fixes: b1396c2bd675 ("cxgb4: parse and configure TC-MQPRIO offload") Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c4
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.c23
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h1
3 files changed, 28 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index ad993d6ff586..a70018f067aa 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -6671,6 +6671,10 @@ static void shutdown_one(struct pci_dev *pdev)
if (adapter->port[i]->reg_state == NETREG_REGISTERED)
cxgb_close(adapter->port[i]);
+ rtnl_lock();
+ cxgb4_mqprio_stop_offload(adapter);
+ rtnl_unlock();
+
if (is_uld(adapter)) {
detach_ulds(adapter);
t4_uld_clean_up(adapter);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.c
index ec3eb45ee3b4..e6af4906d674 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.c
@@ -301,6 +301,7 @@ static void cxgb4_mqprio_free_hw_resources(struct net_device *dev)
cxgb4_clear_msix_aff(eorxq->msix->vec,
eorxq->msix->aff_mask);
free_irq(eorxq->msix->vec, &eorxq->rspq);
+ cxgb4_free_msix_idx_in_bmap(adap, eorxq->msix->idx);
}
free_rspq_fl(adap, &eorxq->rspq, &eorxq->fl);
@@ -611,6 +612,28 @@ out:
return ret;
}
+void cxgb4_mqprio_stop_offload(struct adapter *adap)
+{
+ struct cxgb4_tc_port_mqprio *tc_port_mqprio;
+ struct net_device *dev;
+ u8 i;
+
+ if (!adap->tc_mqprio || !adap->tc_mqprio->port_mqprio)
+ return;
+
+ for_each_port(adap, i) {
+ dev = adap->port[i];
+ if (!dev)
+ continue;
+
+ tc_port_mqprio = &adap->tc_mqprio->port_mqprio[i];
+ if (!tc_port_mqprio->mqprio.qopt.num_tc)
+ continue;
+
+ cxgb4_mqprio_disable_offload(dev);
+ }
+}
+
int cxgb4_init_tc_mqprio(struct adapter *adap)
{
struct cxgb4_tc_port_mqprio *tc_port_mqprio, *port_mqprio;
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h
index c532f1ef8451..ff8794132b22 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h
@@ -38,6 +38,7 @@ struct cxgb4_tc_mqprio {
int cxgb4_setup_tc_mqprio(struct net_device *dev,
struct tc_mqprio_qopt_offload *mqprio);
+void cxgb4_mqprio_stop_offload(struct adapter *adap);
int cxgb4_init_tc_mqprio(struct adapter *adap);
void cxgb4_cleanup_tc_mqprio(struct adapter *adap);
#endif /* __CXGB4_TC_MQPRIO_H__ */